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    • 专利摘要:
    method for transmitting reference signals and apparatus for transmitting reference signals the present invention provides a method for transmitting reference signals comprising: during carrier aggregation, user equipment sending a shared uplink (pusch) channel on one or more of a component carrier, and sending demodulation reference signals (dm rs) to the pusch on each component carrier, where the dm rs sequence in a sequence in a bandwidth section is independent or part of an independent sequence and forms an independent sequence with the dm rs sequences in multiple bandwidth sessions in addition to the bandwidth section; the bandwidth section is a section of the continuous bandwidth occupied by the pusch on any component carrier, or is any of the multiple sections of the bandwidth occupied by the pusch on any component carrier. the present invention further provides a corresponding apparatus. the present invention solves the problem of the transmission of the dm rss of the pusch when a plurality of component carriers aggregate and the problem of the transmission of the dm rss when allocating the non-continuous resource of the pusch in a component carrier.
    公开号:BR112012003932B1
    申请号:R112012003932-6
    申请日:2010-06-29
    公开日:2021-03-30
    发明作者:Peng Zhu；Peng Hao；Bin Yu；Yuqiang Zhang；Yuxin Wang；Rong Zhang
    申请人:Zte Corporation；
    IPC主号:
    专利说明:

    TECHNICAL FIELD
    The present invention relates to the field of mobile communication, and more particularly, to a method and apparatus for transmitting reference signals. RELATED TECHNICAL HISTORY
    In the Long Term Evolution system of the Partnership Generation Project (3GPP LTE), the allocation of the uplink resource takes a block of the physical resource (abbreviated PRB) as a unit. A PRB occupies the continuous NRC carriers in the frequency domain, and occupies the continuous NULb subcarriers in the time domain. NRRB = 12, and a sub-SC sub carrier range is 15 kHz, that is, the width of a PRB in the frequency domain is 180 kHz. For a normal cyclic prefix, NSimb = 7, (abbreviated CP Normal), and for an extended cyclic prefix (abbreviated CP normal), NsULb = 6, that is, the length of a PRB of the time domain is an opening (0, 5 rnc; ^ Δdd im iim DPR nfjmnrppn HU / VUL v RB o "I PTTIPΠ 1- od Ho TPΠI i TQA d ms /. -ÍT.ss -L ui, LXLLL c XX-XJ comp r ee ^ KJ.e N symb ^ N SC and -L. Emen L- the resources (abbreviated RE) .In one space, an index of a PRB is nPRB, in rip 77 = 0 AÍUL —1 U Uf ^ L Á z- nnmPTH H PERc; rinrrA dT ^ CiTI H 1 “d xq LX en PRB,., ..., RV RB X, and RV RR x— 'o XX LX LL r' o LX ^ ZC XV XJ scorres pon XLX ^ Z XXL - this bandwidth of the uplink system; a pair of indices of an RE is (k, l), where k = 0, ..., NRBNsRB -1, is an index in the frequency domain, and l = 0, ..., N ^ mb -1 is an index in the time domain, so
    Taking the normal CP as an example, the structure of the PRB is shown in FIG. 1.
    As shown in FIG. 2, in the LTE system, the Shared Physical Uplink Channels (PUSCH) of a plurality of User Equipment (UE) in a multiple frequency division cell the bandwidth of the uplink system, that is, the PUSCHs of different UEs they are orthogonal in the frequency domain and occupy different blocks of the physical resource. However, resource allocation uses a localized allocation method, that is, the PUSCH of a UE occupies a section of continuous bandwidth in the frequency domain, which is a part of the entire bandwidth of the uplink system. . The bandwidth section contains a set of continuous PRBs, the number of which is MRPUSCH, and the number of continuous subcarriers contained is MsPcUSCH = MRpUSCH. NR.
    The uplink reference signals in the LTE system are divided into demodulation reference signals (DM RS) and Reference Sound Signals (SRS). The DM RSs are further divided into DM RSs for the PUSCH and DM RSs for the Physical Uplink Control Channel (PUCCH). All uplink reference signals are sequences of the reference signal in the same form.
    An uplink reference signal sequence rUa) (n) in the LTE system is defined as cyclic change from a base sequence ru, v (n)
    where M sRS = mNsRB is the length of the reference signal sequence, 1 <m <NRmBx, UL. A different amount of cyclic shift a is used for the base sequence ruv (n), and a plurality of reference signal sequences can be defined. MsRS = mNR
    The definition of the base sequence ruv (n) depends on the length of the MsRS sequence.
    where the Zadoff-Chu qth sequence (abbreviated ZC sequence) is defined as

    The NRS length of the ZC sequence is the largest prime number that satisfies NRS <MRS, that is, the ZC sequence with the ZC sc length of N RS forms the base sequence with the length of M RS through cyclic change.
    If MRS = NsRB or MRS = 2NsRB, 15 ruv, (n) = e Mn) π / 4, 0 <n <MRS -1 where the values of ^ (n) are given in Table 1 and Table 2 respectively.



    Table 2
    The base sequence ru ,, v (n) is divided into 30 groups, ue {0.1, ..., 29} is a serial number group, and v is a serial number sequence intergroup. Each group contains 5 base strings with all lengths from M sRS = NsRB to MsRS = NRBXUB • NsRB, where there is only one base sequence (v = 0) with the length of the sequence satisfying NR <MsRS <5NRB for each length , and there are two base sequences (v = 0.1) with sequence length satisfying 6NsRB <MsRS <NRTUB • NsRB for each length. The serial number group u and the serial number sequence intergroup v may vary over time to achieve group hopping and sequence hopping.
    The serial number group u of the base sequence used in an ns space is defined by a fgh group hopping pattern (ns) and a fss sequence change pattern according to the following equation

    There are 17 group hopping patterns and 30 sequence change patterns. The group's hopping function can notify the high signal layer to switch on or off. The hopping pattern of the fgh (ns) group is:
    Group hopping function being off On a radio frequency, ns = 0.1, ..., 19; c ()) is a pseudo-random sequence that is initialized at the beginning of the physical layer ID cell.
    PUCCH and PUSCH have the same hopping pattern as the group, but different patterns of sequence change. The sequence change pattern f, RUCCH of PUCCH is:
    The PUSCH fss sequence shift pattern is:
    where Δsse {0,1, ..., 29} is configured by the high layer.
    Sequence hopping is only used when the reference signal sequence length is MRS> 6NsRB. When the reference signal sequence length is MsRS <6NsRB, there is only one base sequence with the length of M sRS in each group, and the sequence intergroup of the serial number of the base sequence is v = 0.
    When the reference signal sequence length is MRS> 6NRB, there are two base sequences with a length of v = 0.1, and the sequence intergroup of the serial number of the base sequence used in the space ns is, If the function group hopping is off, the sequence hopping function is opposed to where on a radio frequency, ns = 0.1, ..., 19, and c (i) is a pseudo random sequence that is initialized at the beginning of each frequency, and the initial value

    A DM RS rPUSCH (•) sequence for PUSCH is defined as
    = 0.1 corresponds to two spaces in a frame (with the length of 1ms) respectively. space ns, the amount of cyclic change a is: α = 2πncsl12 where = ((i) (2) ()) mod12 ncs = nDMRS + nDMRS + nPRS (ns) / ™ 12 n DMRS is configured with the layer parameters high, and nDMRS is configured with system signaling,
    where in a radio frequency, ns = 0.1, ..., 19; is a pseudo random sequence that is initialized at the beginning of
    The structure of the DM RS of the PUSCH is shown in FIG. 3 and in FIG. 4. After the rPUSCH sequence (•) is multiplied by a scale factor of magnitude βPUSCH, starting with rPUSCH (0), the rPUSCH sequence (•) is mapped to the same physical resource blocking group for the corresponding PUSCH transmission . When the rPUSCH (•) sequence is mapped to the RE (k, l) of a sub-frame, the mapping is performed first in a frequency domain (k) and then the time domain (l) in an ascending order of ke l. The DM RS in each space is always located in the fourth (l = 3) of seven normal CP symbols or in the third (l = 2) of six CP symbols extended in that space.
    Whereas the PUSCH DM RSs of each UE are sent within the transmission bandwidth of the PUSCH of the UEs and the PUSCHs of all UEs in the cell are orthogonal to each other in the frequency domain, the corresponding DM RSs are orthogonal to each other others also in the frequency domain.
    The Advanced LTE system (abbreviated LTE-A system) is an evolution system of the next generation of the LTE system. As shown in FIG. 5, the LTE-A system extends transmission bandwidth using carrier aggregation technology, and each aggregate carrier is referred to as a component carrier. A plurality of component carriers can be continuous or non-continuous, and they can be in the same frequency band or different frequency bands.
    During carrier aggregation, when a UE sends the PUSCH to a plurality of component carriers, how to send the demodulation reference signals (DM RS) has become a problem to be urgently solved.
    Additionally, in LTE-A systems, the PUSCH of a UE within a component carrier can use a non-continuous or continuous resource allocation method in accordance with the system's signaling instruction. Continuous resource allocation means the localized resource allocation method, that is, a transmission signal from the UE's PUSCH occupies a section of continuous bandwidth within a component carrier; non-continuous resource allocation means that the UE's PUSCH transmission signal occupies multiple broadband sessions within a component carrier, and these bandwidth sections are non-continuous, and each bandwidth section contains a group of Continuous PRBs.
    For PUSCH in the allocation of non-continuous resources, how to send the demodulation reference signals (DM RS) has become a problem that needs to be solved. CONTENT OF THE INVENTION
    A technical problem to be solved by the present invention is to provide a method and an apparatus for transmitting reference signals in order to solve the problem of transmitting the demodulation reference signals (DM RS) when a user equipment transmits the PUSCH in a plurality component carriers as well as multiple sections of bandwidth on a component carrier.
    In order to solve the aforementioned technical problem, the present invention provides a method for transmitting reference signals comprising: during carrier aggregation, user equipment sending physical uplink shared channel (PUSCH) on one or more component carriers, and sending demodulation reference signals (DM RS) to the PUSCH in the bandwidth section occupied by the PUSCH on each component carrier, where a DM RS sequence in a bandwidth section is an independent sequence or part of an independent sequence and forms an independent sequence with DM RS sequences in multiple sections of bandwidth in addition to the section of bandwidth; the bandwidth section is a section of continuous bandwidth occupied by PUSCH or any other component carrier, or is any of the multiple sections of the bandwidth occupied by PUSCH on any component carrier.
    The method may also look like this: the DM RS strings in the multiple sections of the bandwidth occupied by the PUSCH on the same component carrier form an independent sequence, and the DM RS sequence in each bandwidth section is part of the independent sequence .
    The method can also look like this: the DM RS sequence in each section of bandwidth occupied by the PUSCH in each component carrier is an independent sequence.
    The method may also look like this: a base sequence of the DM RS sequence in each section of the bandwidth comes from the same group or different, when the group hopping function is on, a serial number group u of the DM sequence RS in each section of the bandwidth varies with the space in each radio frequency, and a hopping pattern of the DM RS sequence in each section of the bandwidth is the same or different.
    The method can also look like this: in the same space, if the base sequences of a plurality of independent sequences come from the same group and have the same amount of cyclic change, and the lengths of the sequences are the same and greater than or equal to 6yRB, where yRB is the number of subcarriers occupied by a physical resource block in the frequency domain, then the serial number sequence intergroup of the base sequences of the plurality of independent sequences are the same or different, when the hopping function of the group is off while the sequence hopping function is on, the sequence hopping patterns of the plurality of independent sequences are the same or different, and the independent sequence is a DM RS sequence in a bandwidth section or a collectively formed sequence from DM RS streams across multiple sections of the bandwidth.
    The method can also look like this: if the base sequences of two independent sequences come from the same group and have the same amount of cyclic change, and lengths of two independent sequences are the same and greater than or equal to 6yRB, where yRB is the number of subcarriers occupied by the blocking of physical resources in the frequency domain, so the intergroup of serial number sequences vi, vj and {0,1} of two independent sequences satisfy vi = (vj + 1) mod2; if the group hopping function is off while the sequence hopping function is on, the sequence hopping patterns of the two independent sequences satisfy vt (ns) = (vj (ns) + 1) mod2, and each of the independent sequences is a DM RS sequence in a bandwidth section or a sequence formed collectively from DM RS sequences in multiple bandwidth sections.
    The method can also look like this: when the DM RS string in the bandwidth section is an independent string, the DM RS rPUSCH (-) string in the bandwidth section is:

    and the length of the MsRS sequence is the number of MsPcUSCH subcarriers corresponding to the bandwidth section, m = 0.1 corresponds to two spaces in a sub-frame respectively, a is the amount of cyclic change, u is the number group in series, ev is the serial number sequence intergroup.
    The method can also look like this: when the DM RS strings in the R sections of the bandwidth are part of the independent rPUSCH (•) sequence, rPUSCH (•) is
    where ruv (n) is the base sequence, a is the amount of cyclic change, u is the serial number group, v is the serial number sequence intergroup, m = 0.1 corresponds to two spaces in a sub-frame respectively, and MsPcUSCH is the total number of subcarriers corresponding to the R sections of the bandwidth.
    The DM RS rPUSCHr (•) sequence in the rth section of the bandwidth of the broadband R sections is:
    where r = 1, ..., R - 1 m = 0.1 ÍZPUSCH, rn = 0, ..., M sc - 1 the DM RS rPUSCH'0 (.) sequence in the 0th section of the bandwidth is :
    MSCUSCHr is the number of subcarriers corresponding to the rth section of the bandwidth.
    The method can also look like this: after the r PUSCH (•) sequence is multiplied by a scale factor of magnitude βPUSCH, starting with rPuSCH (0), the rPUSCH (•) sequence is mapped to the same blocking group. physical resource for the transmission of the corresponding PUSCH, when the sequence r PUSCH (.) is mapped to the RE (k, l) of a sub-frame, the mapping is performed first in the frequency domain (k) and then in a domain time (l) in ascending kel order, the DM RS for the PUSCH in each space is located in the fourth (l = 3) of seven normal cyclic prefix symbols or in the third (l = 2) of six prefix symbols extended cyclic.
    The present invention also provides an apparatus for transmitting reference signals configured to: during carrier aggregation, send the demodulation reference signals (DM RS) to the PUSCH in each section of the bandwidth occupied by the PUSCH on each component carrier , wherein a DM RS stream in a bandwidth section is an independent stream or part of an independent stream and forms an independent stream with DM RS streams in multiple bandwidth sections in addition to the bandwidth section; the bandwidth section is a section of continuous bandwidth occupied by the PUSCH and any component carrier, or is any of the multiple sections of the bandwidth occupied by a PUSCH on any component carrier.
    The device can also look like this: the DM RS sequence sent by the device satisfies the following conditions: the DM RS sequences in the multiple sections of the bandwidth occupied by the PUSCH on the same component carrier form an independent sequence, and the DM RS sequence in each broadband section it is part of the independent string.
    The device can also look like this: the DM RS sequence sent by the device in each section of the bandwidth occupied by the PUSCH in each component carrier is an independent sequence.
    The device may also look like this: the DM RS sequence sent by the device satisfies the following conditions: a base sequence of the DM RS sequence in each section of bandwidth comes from the same group or different groups, when the hopping function of the group is linked, a group of serial number u of the DM RS sequence in each section of the bandwidth varies with space on a radio frequency, and a hopping pattern of the group of the DM RS sequence in each section of the bandwidth is the same or different.
    The apparatus may also have the following appearance: the DM RS sequence sent by the apparatus satisfies the following conditions: in the same space, if the base sequences of a plurality of independent sequences come from the same group and have the same amount of cyclic change, and the lengths of the sequences are the same and greater than or equal to 6yRB, where NR3 is the number of subcarriers occupied by a physical resource block in the frequency domain, then the sequence intergroup of the serial numbers of the base sequences of the plurality of independent sequences are the same or different, when the group hopping function is off while the sequence hopping function is on, the sequence hopping patterns of the plurality of independent sequences are the same or different, and the independent sequence is a DM RS sequence in a bandwidth section or a sequence formed collectively from DM RS sequences in multiple width sections bandwidth.
    The device can also look like this: the DM RS sequence sent by the device satisfies the following conditions: if the base sequences of two independent sequences come from the same group and have the same amount of cyclic change, and the lengths of the two independent sequences are the same and greater than or equal to RR rRB rRB 6Nsc, where Nsc is the number of subcarriers occupied by a physical resource block in the frequency domain, then the sequence intergroup of the serial numbers vt, vj and {0.1 } of two independent strings satisfy vt = (vj + 1) mod2; if the group hopping function is off while the sequence hopping function is on, the hopping patterns of the sequence of two independent sequences satisfy vt (ns) = (vj (ns) + 1) mod2, and each of the independent sequences is a DM RS sequence in a bandwidth section or a sequence formed collectively from DM RS sequences in multiple bandwidth sections.
    The device may also look like this: the DM RS sequence sent by the device satisfies the following conditions: when the DM RS sequence in the bandwidth section is an independent sequence, the DM RS rPUSCH sequence (•) in the bandwidth section band is:
    and the length of the MsRS sequence is the number of MsPcUSCH subcarriers corresponding to the bandwidth section m = 0.1 corresponds to two spaces in a sub-frame respectively, a is the amount of cyclic change, u is the number group in series, ev is the sequence intergroup of the serial number.
    The device may also look like this: the DM RS sequence sent by the device satisfies the following conditions: when the DM RS sequences in the R sections of the bandwidth are part of the independent rPUSCH (•), rPUSCH (•) sequence is
    where ruv (n) is the base sequence, a is the amount of cyclic change, u is the serial number group, v is the serial number sequence intergroup, m = 0.1 corresponds to two spaces in a sub-frame respectively, and MsPcUSCH is the total number of subcarriers corresponding to the R sections of the bandwidth.
    The DM RS sequence rPUSCH-r (•) in the rth section of the bandwidth of the R sections of the wide bands is:
    the DM RS rPUSCH-0 (.) string in the 0th section of the bandwidth is:
    MSCUSCH r is the number of subcarriers corresponding to the rth section of the bandwidth.
    The device can also look like this: the device is further configured to: after the rPUSCH sequence (•) is multiplied by a scale factor of magnitude βPUSCH, starting with rPUSCH (0), it maps the rPUSCH sequence (.) To the same physical resource blocking group to match the PUSCH transmission, and when the rPUSCH (•) sequence is mapped to the RE (k, l) of a sub-frame, it performs the mapping first in the frequency domain and then in the time in an ascending kel order, the DM RS for the PUSCH in each space being located in the fourth (l = 3) of seven normal cyclic prefix symbols or in the third (l = 2) of six extended cyclic prefix symbols.
    The method and apparatus for transmitting the reference signals in accordance with the present invention solves the problem of transmitting the demodulation reference signals (DM RS) of the PUSCH when a plurality of component carriers are aggregated, as well as the problem of transmitting the DM RSs during the allocation of non-continuous PUSCH resource in a component carrier in the LTE-A system. BRIEF DESCRIPTION OF THE DRAWINGS
    The accompanying drawings, which provide a thorough understanding of the present invention and form a part of the specification, are used to explain the present invention with the embodiments of the present invention and are not intended to limit the present invention. In the accompanying drawings: FIG. 1 is a structural diagram of a physical resource block in the LTE system (taking the normal cyclic prefix as an example); FIG. 2 is a structural diagram of a shared physical uplink channel in the LTE system (taking the normal cyclic prefix as an example); FIG. 3 is a diagram of a space location of a demodulation reference signal of the shared physical uplink channel in the LTE system; FIG. 4 is a structural diagram of a demodulation reference signal of the physical uplink shared channel in the LTE system (taking the normal cyclic prefix as an example); FIG. 5 is a diagram of carrier aggregation in the LTE-A system; FIG. 6 is a structural diagram of a demodulation reference signal according to the first embodiment of the present invention; FIG. 7 is a structural diagram of a demodulation reference signal according to the second embodiment of the present invention; FIG. 8 is a structural diagram of a demodulation reference signal according to the third embodiment of the present invention; and FIG. 9 is a structural diagram of a demodulation reference signal according to the fourth embodiment of the present invention. PREFERRED EMBODIMENTS OF THE PRESENT INVENTION
    The method for transmitting reference signals according to the present invention will be described below. During carrier aggregation, a user device sends the shared physical uplink (PUSCH) channel on one or more component carriers, and sends the demodulation reference signals (DM RS) to the PUSCH in each bandwidth section. occupied by the PUSCH on each component carrier, where a DM RS sequence in a bandwidth section is an independent sequence or part of an independent sequence and forms an independent sequence with DM RS sequences in multiple sections of bandwidth in addition to the bandwidth section; the bandwidth section is a section of continuous bandwidth occupied by PUSCH on any component carrier, or is any of the multiple sections of bandwidth occupied by PUSCH on any component carrier.
    Specific possible situations will be described below. 1) A DM RS stream in each bandwidth section is an independent stream.
    When a user device sends the PUSCH in a plurality of component carriers, for each of the plurality of component carriers, when the PUSCH in the component carrier occupies a continuous bandwidth section, the DM RS sequence in the band section continuous broad is an independent sequence; when the PUSCH of the component carrier occupies multiple sections of the bandwidth, the DM RS sequence in each of the multiple sections of bandwidth occupied by the PUSCH of the component carrier is an independent sequence. When the PUSCH in each component carrier occupies a section of continuous bandwidth, the DM RS sequence in each component carrier is an independent sequence.
    When the UE sends the PUSCH in a component carrier, and the PUSCH in this component carrier occupies multiple sections of the bandwidth, the DM RS sequence in each of the multiple sections of bandwidth occupied by the PUSCH in the component carrier is a independent sequence. 2) A DM RS sequence in the bandwidth part is part of an independent sequence, the DM RS sequences in the multiple bandwidth sections form an independent sequence; the DM RS sequence in the bandwidth part is the independent sequence means that: a) A DM RS sequence in the same component carrier is an independent sequence.
    When a user device sends the PUSCH in a plurality of component carriers, for each of the plurality of component carriers, when the PUSCH in the component carrier occupies a section of continuous bandwidth, the DM RS sequence in the width section continuous band is an independent sequence; when the PUSCH in the component carrier occupies multiple sections of the bandwidth, the DM RS strings in the multiple bandwidth sections occupied by the PUSCH in the component carrier form an independent sequence, and the DM RS sequence in each section of the bandwidth it is part of the independent sequence. The following special case is excluded: when the PUSCH in each component carrier occupies a continuous bandwidth section, the DM RS sequence in each component carrier is an independent sequence. This specific case is included in (1).
    When the UE sends the PUSCH in a component carrier, and the PUSCH in the component carrier occupies multiple sections of bandwidth, the DM RS strings in the multiple bandwidth sections occupied by the PUSCH in the component carrier form an independent sequence, and the DM RS sequence in each section of the bandwidth is part of the independent sequence. b) At least one DM RS stream in a component carrier is part of an independent stream, and at least one DM RS stream in a bandwidth section is an independent stream.
    For example, each of the PUSCHs of two component carriers occupies a section of continuous bandwidth, and the DM RS strings in two sections of bandwidth form an independent sequence, the PUSCH in another component carrier occupies a section of the width continuous band, in which a DM RS sequence is an independent sequence.
    As another example, the PUSCH in a component carrier occupies three sections of the bandwidth, in two whose DM RS sequences form an independent sequence, and a DM RS sequence in the third bandwidth section is an independent sequence. The above description is exemplary only. 3) The DM RS sequences in all bandwidth sections form an independent sequence.
    That is, when the UE sends the PUSCH in one or more component carriers, a DM RS sequence in each of all sections of the bandwidth occupied by the PUSCH in each component carrier is part of the same independent sequence. An amount of cyclic change to that of the DM RS sequence in each section of the bandwidth can be the same or different.
    A base sequence of the DM RS sequence in each bandwidth section can come from the same group, that is, it has the same serial number group u; or come from a different group, that is, it has the different serial number group u. If the group hopping function is on, a hopping pattern of the DM RS sequence in each section of the bandwidth can be the same or different.
    When the length of the independent sequence consisting of one or more DM RS sequences satisfies MsRS <6NRB, there is only one base sequence of the independent sequence with this length in each group, the serial number sequence intergroup of the base sequence of the independent sequence is v = 0; when the length of the independent sequence consisting of one or more DM RS sequences satisfies MsRS> 6NRB, there are two base sequences of independent sequence with this length in each group, the sequence intergroup of the serial numbers of the base sequences of the independent sequences are v = 0.1.
    In the same space, if the base sequences of a plurality of independent sequences come from the same group and have the same amount of cyclic change, and their sequence lengths are the same and satisfy MsRS> 6NRB, the serial number sequence intergroup v the base sequences of the plurality of independent sequences can be the same or different. If the group hopping function is off while the sequence hopping function is on, the sequence hopping patterns of the plurality of independent sequences can be the same or different, each of the independent sequences is a DM RS sequence in a width section. band or a sequence formed collectively from DM RS sequences in multiple sections of bandwidth.
    Specifically, if the base sequences of two independent sequences come from the same group and have the same amount of cyclic change, and the lengths of two independent sequences are the same and greater than or equal to 6NSRB = 72, then the sequence intergroup of the numbers in series vi, vj and {0,1} of these two independent sequences satisfy: vi = (vj +1) mod 2
    If the group hopping function is off while the sequence hopping function is on, the sequence hopping patterns of the two independent sequences satisfy: v, (ns) = (Vj (ns) + 1) mod2
    The independent sequence is a DM RS sequence in a bandwidth section or a sequence formed collectively from DM RS sequences in multiple bandwidth sections.
    When a DM RS string in a bandwidth section is an independent string, the DM RS rPUSCH (.) String in the bandwidth section is:
    and the length of the MsRS string is the number of MsPcUSCH subcarriers corresponding to the bandwidth section, which is:
    m = 0.1 corresponds to two spaces in a sub frame, respectively.
    After the r PUSCH sequence (•) is multiplied by a scale factor of magnitude βPUSCH, starting with rPUSCH (0), the r PUSCH sequence (•) is mapped to the same physical resource block for the corresponding PUSCH transmission. When the rPUSCH (•) sequence is mapped to the RE (k, l) of a sub-frame, the mapping is performed first in the frequency domain (k) and then in the time domain (l) in an ascending order of ke l. The DM RS for the PUSCH in each space is located in the fourth (l = 3) of seven symbols of normal cyclic prefix or in the third (l = 2) of six symbols of the extended cyclic prefix.
    When a DM RS sequence in each of the R sections of the bandwidth is a part of an independent rPUSCH (•) sequence, rPUSCH (•) is defined as rPUSCH (m • MRS + n) = ra) (n) 'm sc + n) ru, v ") where m = 0.1 n = 0, ..., M sRS-1 and the sequence length MsRS is the number of MsPcUSCH subcarriers corresponding to the R sections of the bandwidth, which is: M RS = M PUSCH 2 ^ sc 2 ^ sc where R-1 MPUSCH _ MPUSCH vRB M PUSCH - V MPUSCH, r M sc = M RB • N sc MRB = ∑MRB r = 0 MPUSCH, r is the number of PRBs corresponding to the rth section of the bandwidth The number of subcarriers corresponding to the rth section of the bandwidth is j .PUSCH, r _. .PUSCH, r »rRB M sc = M RB • N sc er = 0 m = 0.1 corresponds to two spaces in a subframe (1ms) respectively.
    The DM RS sequence rPUSCH-r (•) in the rth section of the bandwidth is: r r-1 r pUSCH'r (m • MpUSCH'r + n) = rPUSCH I m • MRS + ∑ MPUSCH'i + n> ^ where r = 1, ..., R -1 m = 0.1 PP PU PUSCH, rn = 0, ..., M sc - 1 Specifically, the sequence DM RS rPUSCH-0 (.) in section 0th bandwidth is: rPUSCH, 0 (m • MPUSCH'0 + n) = rPUSCH (m • MRS + n) sc sc where m = 0! n = 0, ..., Msc ’-1 That is, the rPUSCH sequence (•) is divided into R sections, and the rth section of the sequence corresponds to the rth section of the bandwidth, or other corresponding modes can be used. The length of the rth section of the string is the number of MsPcUSCH'r subcarriers corresponding to the rth section of the bandwidth. The bandwidth R sections can be bandwidth R sections on a component carrier; either the R sections of the bandwidth on the R component carriers (a continuous bandwidth section on each component carrier), or the R sections of the bandwidth on the P component carriers, where P <R, i.e. , PUSCH on at least one component carrier occupies multiple sections of non-continuous bandwidth.
    After the r PUSCH sequence (•) is multiplied by a scale factor of magnitude βPUSCH, starting with rPUSCH (0), the r PUSCH sequence (•) is mapped to the same physical resource blocking group for the corresponding PUSCH transmission. When the sequence r PUSCH (•) is mapped to the RE (k, l) of a sub-frame, the mapping is performed first in a frequency domain (k) and then in the time domain (l) in an ascending order from ke l. The DM RS for the PUSCH in each space is located in the fourth (l = 3) of seven normal CP symbols or in the third (l = 2) of six extended CP symbols. The present invention will be described in detail below in conjunction with the accompanying embodiments and drawings. THE FIRST ACHIEVEMENT
    As shown in FIG. 6, supposing that in the LTE-A system, the PUSCH of a user equipment 1 is transmitted in a component carrier, and the broadband of the uplink system of this component carrier is 20MHz, corresponding to 12 PRBs and 144 subcarriers in the domain frequency, and is divided into two sections of non-continuous bandwidth in the frequency domain using non-continuous resource allocation, the two sections of the bandwidth corresponding to 4 PRBs and 48 subcarriers and 8 PRBs and 96 subcarriers respectively.
    User equipment 1 transmits the demodulation reference signals (DM RS) to the PUSCH in the two bandwidth sections occupied by the user equipment PUSCH 1.
    The DM RSs in each section of the bandwidth are an independent sequence. The DM RS sequence rPUSCH-0 (•) in the 0th section of the bandwidth is defined as rPUSCH0 (m • MsRS + n) = r (α) (n) sc U u, vo V f where m = 0, 1 n = 0, ..., MsRS -1 The sequence length is the number of subcarriers corresponding to the bandwidth section: m = 0.1 corresponds to two spaces in a sub frame (1ms) respectively.
    After the r PUSCH (•) sequence is multiplied by a scale factor of magnitude βPUSCH, starting with rPUSCH (0), the r PUSCH (•) sequence is mapped to the same physical resource block group to match section 0th of PUSCH transmission. When the sequence r PUSCH (•) is mapped to the RE (k, l) of a sub-frame, the mapping is performed first in the frequency domain (k) and then in the time domain (l) in an ascending order of ke l .. The DM RS for the PUSCH in each space is located in the fourth (l = 3) of seven normal CP symbols.
    The DM RS sequence r PUSCH-1 (•) of the first section of the bandwidth is defined as rPUSCH1 (m • MRS + n) = r (a) (n) sc U u, vi where m = 0.1 n = 0, ..., MsRS -1 The sequence length is the number of subcarriers corresponding to the bandwidth section: M RS = M PUSCH1 = 96 sc sc m = 0.1 corresponds to two spaces in a subframe (1ms ) respectively.
    After the r PUSCH (•) sequence is multiplied by a scale factor of magnitude βPUSCH, starting with rPUSCH (0), the r PUSCH (•) sequence is mapped to the same physical resource blocking group to correspond to the 1st section of the PUSCH transmission. When the sequence r PUSCH (•) is mapped to the RE (k, l) of a sub-frame, the mapping is performed first in the frequency domain (k) and in the time domain (l) in an ascending order of ke l. The DM RS for the PUSCH in each space is located in the fourth (l = 3) of seven normal CP symbols.
    The amounts of cyclic change to that of the DM RS sequences in the two sections of bandwidth are the same, and the group of serial numbers u of the base sequences is the same. If the group hopping function is on, the group of serial numbers u of the DM RS sequences in the two sections of the bandwidth varies with the space ns = 0.1, ..., 19 on a radio frequency, and the The group's hopping patterns are the same.
    The length of the DM RS sequence in the 0th section of the bandwidth is MRS = 48 <6NsRB = 72, the intergroup of the serial number sequence of the base sequence is vo = 0; the length of the DM RS sequence in the 1st bandwidth section is MsRS = 96> 6NsRB = 72, the sequence intergroup of the serial number of the base sequence is vi = 0 or 1. If the group hopping function is off, and the sequence hopping function is on, the intergroup of the serial number sequence vi of the DM RS sequence in the first section of the bandwidth varies with the space ns = 0.1, ..., 19 on a radio frequency.
    The PUSCH of UE1 is not a frequency alternator in this sub-frame, and the PUSCH is located in the same position of the frequency domain in two spaces in the sub-frame. Therefore, the corresponding DM RSs are also located in the same position of the frequency domain in the two spaces in the sub-frame. THE SECOND ACHIEVEMENT
    As shown in FIG. 7, assuming that in the LTE-A system, the PUSCH of user equipment 1 is transmitted on a component carrier, and the bandwidth of the uplink system of this component carrier is 20MHz, corresponding to 12 PRBs and 144 subcarriers in the domain frequency, and is divided into two sections of non-continuous bandwidth in the frequency domain using non-continuous resource allocation, the two sections of bandwidth corresponding to 4 PRBs and 4 8 subcarriers and 8 PRBs and 96 subcarriers respectively.
    The UE1 transmits the demodulation reference signals (DM RS) to the PUSCH in the two sections of the bandwidth occupied by the UE1's PUSCH.
    The DM RSs in each section of the bandwidth are a part of an independent rPUSCH (•) sequence, and rPUSCH (•) is defined as
    m = 0.1 corresponds to two spaces in a subframe (1ms) respectively. The DM RS rPUSCH-0 (•) sequence in the 0th section of the bandwidth is
    where m = 0.1 n = 0, ..., MRS -1 and M PUSCH, o = 48 sc
    The DM RS r PUSCH-1 (.) String in the first bandwidth section is defined as
    that is, the r sequence PUSCH (•) is divided into two sections, the length of the 0th section of the sequence is the number 48 of subcarriers corresponding to the 0th section of the PUSCH, and the length of the first section of the sequence is the number 96 of the subcarriers corresponding to the first section of the PUSCH.
    After the rPUSCH (•) sequence is multiplied by a magnitude factor βPUSCH, starting with rPUSCH (0), the r PUSCH (.) Sequence is mapped to the same physical resource group to match the PUSCH transmission. When the sequence r PUSCH (.) Is mapped to the RE (k, l) of a sub-frame, the mapping is performed first in the frequency domain (k) and then the time domain (l) in an ascending order of ke l. The DM RS for the PUSCH in each space is located in the fourth (l = 3) of seven normal CP symbols.
    If the group hopping function is on, the group of the serial number u of the DM RS sequence varies with the space ns = 0.1, ..., 19 on a radio frequency.
    The length of the DM RS sequence is MRS = 144> 6NsRB = 72, the intergroup of the serial number sequence of the base sequence is v = 0 or 1. If the group hopping function is off, and the sequence hopping function is on, v varies with the space ns = 0.1, ..., 19 on a radio frequency.
    The PUSCH of UE1 is not a frequency alternator in the sub-frame, the PUSCH is located in the same location of the frequency domain in two spaces in the sub-frame. Therefore, the corresponding DM RSs are also located in the same location of the frequency domain in the two spaces in the sub-frame. THE THIRD ACHIEVEMENT
    As shown in FIG. 8, assuming that in the LTE-A system, the PUSCH of user equipment 1 is transmitted in a component carrier, and the bandwidth of the uplink system of this component carrier is 10MHz, corresponding to 24 PRBs and 288 subcarriers in the frequency domain, and is divided into three sections of non-continuous bandwidth in the frequency domain using non-continuous resource allocation, the three sections of the bandwidth corresponding to 6 PRBs and 72 subcarriers, 12 PRBs and 144 subcarriers and 6 PRBs and 72 subcarriers respectively.
    The UE1 transmits demodulation reference signals (DM RS) to the PUSCH in the three bandwidth sections occupied by the UE1's PUSCH.
    The DM RSs in each section of the bandwidth are an independent sequence. The DM RS rPUSCH-0 (.) String in the 0th section of the bandwidth is defined as
    The sequence length is the number of subcarriers corresponding to the bandwidth section: M RS = M PUSCH0 = 72 jwsc 1V1 sc 'm = 0.1 corresponds to two spaces in the sub-frame (1ms) respectively.
    After the r PUSCH (•) sequence is multiplied by a scale factor of magnitude βPUSCH, starting with rPUSCH (0), the r PUSCH (•) sequence is mapped to the same physical resource blocking group to match section 0 th for PUSCH transmission. When the r PUSCH sequence (•) is mapped to the RE (k, l) of a sub-frame, the mapping is performed first in the frequency domain (k) and then in the time domain (l) in an ascending order of ke l. The DM RS for the PUSCH in each space is located in the fourth (l = 3) of the seven symbols of normal CP.
    The DM RS sequence r PUSCH-1 (•) in the first section of the bandwidth is defined as rPUSCH1 (m • MsRS + n) = r (a) (n) sc U u, v1 where m = 0.1 n = 0, ..., M sRS - 1 the sequence length is the number of subcarriers corresponding to the bandwidth section: M RS = M PUSCH-1 = 144 2 ^ sc 2 ^ sc -i-TT m = 0 , 1 corresponds to two spaces in a subframe (1ms) respectively.
    After the r PUSCH (•) sequence is multiplied by a scale factor of magnitude βPUSCH, starting with rPUSCH (0), the r PUSCH (•) sequence is mapped to the same physical resource blocking group to correspond to the 1st section of the PUSCH transmission. When the sequence r PUSCH (•) is mapped to the RE (k, l) of a sub-frame, the mapping is performed first in the frequency domain (k) and then the time domain (l) in an ascending order of ke l. The DM RS for the PUSCH in each space is located in the fourth (l = 3) of the seven symbols of normal CP.
    The DM RS sequence r PUSCH-2 (•) in the second section of the bandwidth is defined as r PUSCH2 (m • MRS + n) = r (a) (n) sc U u, v2 V f where m = 0.1 n = 0, ..., MRS -1 the sequence length is the number of subcarriers corresponding to the bandwidth section: M RS = M PUSCH2 = 72 syi sc 1V1 sc 'm = 0.1 corresponds to two spaces in a subframe (1ms) respectively.
    After the sequence r PUSCH (•) is multiplied by a scale factor of magnitude βPUSCH, starting with rPUSCH (0), the sequence r PUSCH (•) is mapped to the same physical resource blocking group to correspond to the 2nd section of the PUSCH transmission. When the sequence r PUSCH (•) is mapped to the RE (k, l) of a sub-frame, the mapping is performed first in the frequency domain (k) and then in the time domain (l) in an ascending order of ke l. The DM RS for the PUSCH in each space is located in the fourth (l = 3) of the seven normal CP symbols.
    The amounts of cyclic change to that of the DM RS sequences in the three sections of bandwidth are the same, and the group of serial numbers u of the base sequences is the same. If the group hopping function is on, the group of serial numbers u of the DM RS sequences in these three sections of bandwidth varies with the space ns = 0.1, ..., 19 on a radio frequency, and the The group's hopping patterns are the same.
    The lengths of the DM RS sequences in these three sections of the bandwidth satisfy MsRS> 6NsRB = 72, the serial intergroup of the serial number of the base sequence is 0 or 1. The lengths of the DM RS sequences in the 0th and 2nd sections of the width bandwidth are the same, and in one space, the sequence intergroup of the serial numbers of the DM RS sequences in two sections of the bandwidth are different, v 0 ^ v 2 •
    If the group hopping function is off, and the sequence hopping function is on, the intergroup of the serial number sequence of the DM RS sequences in the three broadband sections varies with the space ns = 0.1, ..., 19 on a radio frequency. The hopping pattern of the DM RSs sequence in the 0th bandwidth section is different from and exactly the opposite of those of the DM RSs in the 2nd bandwidth section, that is, vo (ns) = (v 2 (ns) + 1) mod2 The PUSCH of UE1 is the frequency alternator in the sub-frame, the PUSCH is located in the same location of the frequency domain in two spaces in the sub-frame. Therefore, the corresponding DM RSs are also located in the same location of the frequency domain in the two spaces in the sub-frame. THE FOURTH ACHIEVEMENT
    As shown in FIG. 9, assuming that the LTE-A system, the PUSCH of user equipment 1 is transmitted in a component carrier, the bandwidth of the uplink system of this component carrier is 10MHz, corresponding to 24 PRBs and 2 88 subcarriers in the frequency domain, and is divided into three sections of non-continuous bandwidth in the frequency domain using non-continuous resource allocation, the three sections of the bandwidth corresponding to 6 PRBs and 72 subcarriers, 12 PRBs and 144 subcarriers and 6 PRBs and 72 subcarriers respectively.
    The UE1 transmits the demodulation reference signals (DM RS) to the PUSCH in the three sections of the bandwidth occupied by the UE1's PUSCH.
    The DM RSs in each bandwidth section is a part of the independent rPUSCH (•) sequence, and rPUSCH (•) is defined as
    m = 0.1 corresponds to two spaces in a subframe (1ms) respectively. The DM RS rPUSCH'0 (•) string in the 0th section of the bandwidth is:
    The DM RS r PUSCH-1 (•) sequence in the first section of the bandwidth is
    and M PUSCH1 = 144 the DM RS r r PUSCH-2 (•) sequence in the second section of the bandwidth is

    That is, the r sequence PUSCH (•) is divided into three sections, the length of the 0th section of the sequence is the number 36 of the subcarriers corresponding to the 0th section of the PUSCH, the length of the 1st section of the sequence is the number 72 of the corresponding subcarriers the 1st section of the PUSCH, and the length of the 2nd section of the sequence is the number of subcarriers 36 corresponding to the 2nd section of the PUSCH.
    After the r PUSCH sequence (•) is multiplied by a scale factor of magnitude βPUSCH, starting with rPUSCH (0), the r PUSCH sequence (•) is mapped to the same physical resource blocking group to match the PUSCH transmission. . When the sequence r PUSCH (•) is mapped to the RE (k -1) of a sub-frame, the mapping is performed first in the frequency domain (k) and then in the time domain (l) in an ascending order of ke l. The DM RS for the PUSCH in each space is located in the fourth (l = 3) of the seven normal CP symbols.
    If the group hopping function is on, the group of serial numbers u of the DM RS sequence varies with the space ns = 0-1 -...- 19 on a radio frequency.
    The length of the DM RS sequence satisfies MRS = 288> 6NsRB = 72, the intergroup of the serial number sequence of the base sequence is v = 0 or 1. If the group hopping function is off, and the sequence hopping function is on, v varies with the space ns = 0.1, ..., 19 on a radio frequency.
    The PUSCH of UE1 is the frequency alternator in the sub-frame, the PUSCH is located in the same location of the frequency domain in two spaces in the sub-frame. Therefore, the corresponding DM RSs are also located in the same location of the frequency domain in two spaces in the sub-frame. THE FIFTH ACHIEVEMENT
    Assuming that in the LTE-A system, the PUSCH of user equipment 1 is transmitted in three component carriers, and the bandwidth of the uplink system of the three component carriers is all 20MHz, and corresponds to 12 PRBs and 144 subcarriers , 8 PRBs and 96 subcarriers and 8 PRBs and 96 subcarriers in the frequency domain respectively using continuous resource allocation on each component carrier.
    On each component carrier, the UE1 transmits demodulation reference signals (DM RS) to the PUSCH in the bandwidth occupied by the UE1's PUSCH. The DM RSs in each component carrier are independent strings. The DM RS rPUSCH (•) sequence in the component carrier 0th is defined as

    The sequence length is the number of subcarriers corresponding to the bandwidth occupied by the PUSCH in the component carrier M RS = M PUSCH = 144 2 ^ sc 2 ^ sc -i-TT m = 0.1 corresponds to two spaces in a subframe (1ms) respectively.
    After the r PUSCH (•) sequence is multiplied by a scale factor of magnitude βPUSCH, starting with rPUSCH (0), the r PUSCH (•) sequence is mapped to the same physical resource block group to correspond to section 0th of PUSCH transmission. When the sequence r PUSCH (•) is mapped to the RE (k, l) of a sub-frame, the mapping is performed first in the frequency domain (k) and then in the time domain (l) in an ascending order of ke l. The DM RS for the PUSCH in each space is located in the fourth (l = 3) of seven normal CP symbols. The DM RS r1PUSCH (•) sequence in component carrier 1 is defined as
    where m = 0.1 n = 0, ..., MsRS -1 The sequence length is the number of subcarriers corresponding to the bandwidth section: M sRS = M PUSCH = 96 m = 0.1 corresponds to two spaces in a subframe (1ms) respectively.
    After the r PUSCH (•) sequence is multiplied by a scale factor of magnitude βPUSCH, starting with rPUSCH (o), the r PUSCH (•) sequence is mapped to the same physical resource block group to correspond to the 1st section of the PUSCH transmission. When the sequence r PUSCH (•) is mapped to the RE (k, l) of a sub-frame, the mapping is performed first in the frequency domain (k) and then in the time domain (l) in an ascending order of ke l. The DM RS for the PUSCH in each space is located in the fourth (l = 3) of seven normal CP symbols.
    The DM RS sequence in component carrier 2 is defined as r2PUSCH (m • MsRS + n) = r (^ (n) 2 SC u u2, v2 where m = 0.1 n = 0, ..., MsRS - 1
    The sequence length is the number of subcarriers corresponding to the bandwidth section, M RS = M PUSCH = 96 sc sc m = 0.1 corresponds to two spaces in a subframe (1ms) respectively.
    After the r PUSCH (•) sequence is multiplied by a scale factor of magnitude βPUSCH, starting with rPUSCH (0), the r PUSCH (•) sequence is mapped to the same physical resource blocking group to correspond to the 2nd section of the PUSCH transmission. When the sequence r PUSCH (•) is mapped to the RE (k, l) of a sub-frame, the mapping is performed first in the frequency domain (k) and then in the time domain (l) in an ascending order of ke l. The DM RS for the PUSCH in each space is located in the fourth (l = 3) of seven normal CP symbols.
    The amounts of the cyclic change in the DM RS sequences in the carriers of component 1 and 2 are the same, and the amount of cyclic change in the carrier of component 0 is different, ie α0 * α1 = α2.
    The group of serial numbers of the base sequences of the DM RSs in the carriers of component 1 and 2 are the same, while the group of serial numbers in the carrier of component 0 is different, ie u0Φu 1 = u2. If the group hopping function is on, the group hopping patterns of the DM RS strings on component 1 and 2 carriers are the same, while the group hopping pattern on component 0 carrier is different.
    The lengths of the DM RS sequences in the three component carriers satisfy MsRS> 6NsRB = 72, the sequence intergroup of the serial number of the base sequence is 0 or 1.
    The base sequences of the DM RSs in the component 1 and 2 carriers come from the same group and have the same amount of cyclic change, and their sequence lengths are the same. In the same space, the intergroup of the sequence of serial numbers of the two DM RS sequences are different and satisfy: v 2 = (v1 +1) mod 2
    If the group hopping function is off while the sequence hopping function is on, the sequence hopping patterns of the two DM RS sequences are different and exactly the opposite, that is, V o (ns) = (v 2 (ns) + 1 ) mod2
    The PUSCH of UE1 is not a frequency switcher in the sub-frame. In each component carrier, the PUSCH is located in the same location of the frequency domain in two spaces in the sub-frame. Therefore, in each component carrier, the corresponding DM RSs are also located in the same location of the frequency domain in two spaces in the sub-frame. THE SIXTH ACHIEVEMENT
    Assuming that in the LTE-A system, the PUSCH of user equipment 1 is transmitted in two component carriers, and the bandwidth of the uplink system of two component carriers is all 15MHz. Using non-continuous resource allocation on component carrier 0, non-continuous bandwidths correspond to 12 PRBs and 144 subcarriers, and 24 PRBs and 288 subcarriers in the frequency domain respectively. Using continuous resource allocation on component carrier 1, the non-continuous bandwidth corresponds to 16 PRBs and 192 subcarriers in the frequency domain.
    In each component carrier, the UE1 sends the demodulation reference signals (DM RS) to the PUSCH in the bandwidth occupied by the UE1's PUSCH. The DM RSs in each component carrier are an independent sequence.
    The DM RS rPUSCH (•) sequence in component carrier 0 is defined as
    where m = 0.1 n = 0, ..., MsRS -1 The sequence length is the number of carriers corresponding to the bandwidth occupied by the PUSCH in the component carrier: M RS = M PUSCH = 432 7Wsc 1V1 sc m = 0.1 corresponds to two spaces in a subframe (1ms) respectively. The DM RS r PUSCH-0 (•) sequence in the 0th section of the bandwidth is
    The DM RS rPUSCH-1 (•) sequence in the 1st bandwidth section is:

    That is, the sequence r0PUSCH (.) Is divided into two sections, the length of the 0th section of the sequence is the 144 number of subcarriers corresponding to the 0th section of the PUSCH, and the length of the 1st section of the sequence is the number 288 of the subcarriers corresponding to the PUSCH section.
    After the r PUSCH (•) sequence is multiplied by a scale factor of magnitude βPUSCH, starting with rPUSCH (0), the r PUSCH (•) sequence is mapped to the same physical resource block group to match section 0th of PUSCH transmission. When the sequence r PUSCH (•) is mapped to the RE (k -l) of a sub-frame, the mapping is performed first in the frequency domain (k) and then in the time domain (l) in an ascending order of ke l. For the DM RS for the PUSCH in each space it is located in the fourth (l = 3) of seven normal CP symbols. The DM RS r1PUSCH (•) sequence in component carrier 1 is defined as

    The sequence length is the number of the corresponding subcarriers for the bandwidth section M RS = M PUSCH = 192 syl sc 1V1 sc m = 0.1 corresponds to two spaces in a subframe (1ms) respectively.
    After the sequence r PUSCH (•) is multiplied by a scale factor of magnitude βPUSCH, starting with rPUSCH (0), the sequence r PUSCH (•) is mapped to the same group of the physical resource block to correspond to the 1st section of the PUSCH transmission. When the sequence r PUSCH (•) is mapped to the RE (k, l) of a sub-frame, the mapping is performed first in the frequency domain (k) and then in the time domain (l) in an ascending order of ke l. The DM RS for the PUSCH in each space is located in the fourth (l = 3) of seven normal CP symbols.
    The amounts of the cyclic changes of the DM RS sequences in the carriers of component 0 and 1 are different, ie α0 Φ α1.
    The group of serial numbers of the base sequences of the DM RSs in the carriers of component 0 and 1 are different, that is, u0Φu 1. If the group hopping function is on, the group hopping patterns of the DM RS strings on component 1 and 2 carriers are different.
    The lengths of the DM RS strings on the two component carriers satisfy MsRS> 6NsRB = 72, the sequence intergroup of the serial number of the base sequence is 0 or 1. If the group hopping function is off, and the sequence hopping function is on, the intergroup of the serial number sequence vo and vi of the two DM RS sequences respectively varies with the space ns = 0.1, ..., 19 on a radio frequency.
    The PUSCH of UE1 is not a frequency switcher in this sub-frame. In each component carrier, the PUSCH is located in the same location of the frequency domain in two spaces in the same sub-frame. Therefore, in each component carrier, the corresponding DM RSs are also located in the same location of the frequency domain in two spaces in the sub-frame. THE SEVENTH ACHIEVEMENT
    Assuming that in the LTE-A system, the PUSCH of user 1 equipment is transmitted in two component carriers, and the uplink bandwidths of the two component carriers are all 10MHz. Using non-continuous resource allocation on component carrier 0, non-continuous bandwidths correspond to 12 PRBs and 144 subcarriers, and 24 PRBs and 288 subcarriers in the frequency domain respectively. Using non-continuous resource allocation on component carrier 1, non-continuous bandwidths correspond to 16 PRBs and 192 subcarriers and 12 PRBs and 144 subcarriers in the frequency domain respectively.
    In each component carrier, the UE1 sends the demodulation reference signals (DM RS) to the PUSCH in the bandwidth occupied by the UE1's PUSCH. In each component carrier, the DM RSs in each section of the bandwidth are an independent sequence.
    The DM RS BUSCH'0 (.) String in the 0th section of the bandwidth is: ra '(m • MSRS + n) = r (α>) (n) 0 sc uo, vo ) where m = 0.1 n = 0, ..., M sRS - 1 The sequence length is the number of subcarriers corresponding to the bandwidth occupied by the PUSCH in the component carrier M RS = MPUSCH, 0 = 144 2 ^ sc 2 ^ sc -i-TT
    After the rPUSCH (•) sequence is multiplied by a scale factor of magnitude βPUSCH, starting with rPUSCH (0), the r PUSCH (•) sequence is mapped to the same physical resource blocking group to match the 0th section of the transmission of PUSCH. When the sequence r PUSCH (•) is mapped to the RE (k, l) of a sub-frame, the mapping is performed first in the frequency domain (k) and then in the time domain (l) in an ascending order of ke l. The DM RS for the PUSCH in each space is located in the fourth (l = 3) of seven normal CP symbols.
    The sequence DM RS rPUSCH, 1 (.) In the first section of the bandwidth is: r0PUSCH, 1 (m • MsRS + n) = r (α0) (n) 0 sc U u0, v0 vf where m = 0 , 1 n = 0, ..., M sRS - 1 The sequence length is the number of subcarriers corresponding to the bandwidth section M RS = M PUSCH0 = 288 sc sc
    After the r PUSCH (•) sequence is multiplied by a scale factor of magnitude βPUSCH, starting with rPUSCH (0), the r PUSCH (•) sequence is mapped to the same physical resource blocking group to match the 1st section to PUSCH transmission. When the sequence r PUSCH (•) is mapped to the RE (k, l) of a sub-frame, the mapping is performed first in the frequency domain (k) and then in the time domain (l) in an ascending order of ke l. The DM RS for the PUSCH in each space is located in the fourth (l = 3) of seven normal CP symbols.
    The DM RS rP SH (.) Sequence in the 0th section of the bandwidth in component carrier 1 is rPUSCH, 0 (m • MsRS + n) = rα (n) 1 sc U Ui, vp where m = 0.1 n = 0, ..., M sRS - 1 The sequence length is the number of subcarriers for the bandwidth occupied by the PUSCH in the component carrier is MRS = MPUSCH, 0 = 192 sc sc After the rPUSCH sequence (•) be multiplied by a scale factor of magnitude βPUSCH, starting with rPUSCH (0), the rPUSCH sequence (•) is mapped to the same physical resource blocking group to match the 0th section of the PUSCH transmission. When the rPUSCH (•) sequence is mapped to the RE (k, l) of a sub-frame, the mapping is performed first in the frequency domain (k) and then in the time domain (l) in an ascending order of ke 1. The DM RS for the PUSCH in each space is located in the fourth (l = 3) of seven normal CP symbols. The DM RS sequence r1PUSCH'1 (•) in the first section of the bandwidth is r PUSCH-1 (m • M RS + n) = r (αi) (n) rnrnn 1 sc ui, vi / where m = 0.1 n = 0, ..., M sRS - 1 The length of the sequence is the number of subcarriers corresponding to the bandwidth section M RS = M PUSCH1 = 144 2 ^ SC 2 ^ SC -i-TT
    After the r PUSCH (•) sequence is multiplied by a scale factor of magnitude βPUSCH, starting with rPUSCH (0), the r PUSCH (•) sequence is mapped to the same physical resource blocking group to correspond to the 1st section of the PUSCH transmission. When the sequence r PUSCH (•) is mapped to the RE (k, l) of a sub-frame, the mapping is performed first in the frequency domain (k) and then in the time domain (l) in an ascending order of ke l. The DM RS for the PUSCH in each space is located in the fourth (l = 3) of seven normal CP symbols.
    The amounts of cyclic change of the DM RS sequences in the 0 and 1 component carriers are different, ie α0 * α1. In a component carrier, the amounts of cyclic change in the DM RS sequences in the two sections of the bandwidth are the same.
    The group of serial numbers of the base sequences of the DM RSs in the carriers of component 0 and 1 are different, ie u0 Φu 1. In a component carrier, the group of serial numbers of the base sequences of the DM RSs in the two sections of the bandwidth are the same. If the group hopping function is turned on, the group hopping patterns of the DM RS sequences on component 1 and 2 carriers are different; in a component carrier, the hopping patterns of the DM RS sequence group in the two sections of the bandwidth are the same.
    In two component carriers, the length of the DM RS strings in the four sections of the bandwidth satisfy MsRS> 6NsRB = 72, the serial number sequence intergroup is 0 or 1. If the group hopping function is off, and the sequence hopping function is off, the serial number sequence intergroup of the two DM RS sequences in the same group on a component carrier varies with the space ns = 0.1, ..., 19 according to the same hopping pattern of the group on a radio frequency.
    The PUSCH of UE1 is not a frequency alternator in this sub-frame. In each component carrier, the PUSCH is located in the same location of the frequency domain in two spaces in the sub-frame. Therefore, in each component carrier, the DM RSs are also located in the same location of the frequency domain in two spaces on the subframe.
    The above description is only the embodiment of the present invention and is not intended to limit the present invention. Various modifications and variations to the present invention can be made by those skilled in the art. Any modification, substitution and equivalent variation made within the spirit and principle of the present invention must be covered within the scope of the pending claims of the present invention. INDUSTRIAL APPLICABILITY
    The method and apparatus for transmitting reference signals according to the present invention solves the problem of transmitting the demodulation reference signals (DM RS) of the PUSCH when a plurality of component carriers are added, as well as the problem of transmitting DM RSs during the allocation of the non-continuous PUSCH resource in a component loader in the LTE-A system.
    权利要求:
    Claims (18)
    [0001]
    1. METHOD FOR TRANSMITTING REFERENCE SIGNS, characterized by understanding: during carrier aggregation, user equipment sending the shared physical uplink channel (PUSCH) on one or more component carriers, and sending demodulation reference signals (DM RS) for PUSCH in each section of the bandwidth occupied by PUSCH in each component carrier, where a DM RS sequence in a bandwidth section is an independent sequence or part of an independent sequence and forms an independent sequence with the DM RS strings in the multiple sections of the bandwidth in addition to the bandwidth section; and the bandwidth section is a section of continuous bandwidth occupied by PUSCH on any component carrier, or is any of the multiple sections of bandwidth occupied by PUSCH on any component carrier.
    [0002]
    2. METHOD according to claim 1, characterized in that the DM RS sequences in the multiple sections of the bandwidth occupied by the PUSCH in the same component carrier form an independent sequence, and the DM RS sequence in each section of the bandwidth it is part of the independent sequence.
    [0003]
    3. METHOD according to claim 1, characterized in that the DM RS sequence in each section of the bandwidth occupied by the PUSCH in each component carrier is an independent sequence.
    [0004]
    4. METHOD according to claim 1, characterized in that a base sequence of the DM RS sequence in each section of the bandwidth comes from the same or a different group, when the group hopping function is on, a group of numbers in series u of the DM RS sequence in each section of the bandwidth varies with space on a radio frequency, and a group hopping pattern of the DM RS sequence in each section of the bandwidth is the same or different.
    [0005]
    5. METHOD according to claim 1, characterized in that in the same space, if the base sequences of a plurality of independent sequences come from the same group and have the same amount of cyclic change, and the lengths of the sequences are the same and greater than or equal to 6 yRB, where NR3 is the number of subcarriers occupied by a physical resource block in the frequency domain, so the intergroup of the sequence of serial numbers of the base sequences of a plurality of independent sequences are the same or different, when the group hopping function is off while the sequence hopping function is on, the sequence hopping patterns of the plurality of independent sequences are the same or different, and the independent sequence is a DM RS sequence in a section of the width of band or a sequence formed collectively from DM RS sequences in the multiple sections of bandwidth.
    [0006]
    6. METHOD, according to claim 1, characterized in that if the base sequences of the two independent sequences come from the same group and have the same amount of cyclic change, and lengths of two independent sequences are the same or greater than or equal to 6yRB, where NsRB is the number of subcarriers occupied by a physical resource block in the frequency domain, so the intergroup of the sequence of serial numbers vi, vj and {0.1} of the two independent sequences satisfy vi = (vj + 1) mod2; if the group hopping function is off while the sequence hopping function is on, the sequence hopping patterns of the two independent sequences satisfy vt (ns) = (vj (ns) + 1) mod2, and each of the independent sequences is a DM RS sequence in each section of the bandwidth or a sequence formed collectively from the DM RS sequences in multiple sections of the bandwidth.
    [0007]
    7. METHOD according to claim 1, characterized in that the DM RS sequence in the bandwidth section is an independent sequence, the DM RS rPUSCH (-) sequence in the bandwidth section is:
    [0008]
    METHOD according to claim 1, characterized in that the DM RS sequences in the R sections of the bandwidth are part of the independent sequence rPUSC "(-), rPUSCH (-) is
    [0009]
    9. METHOD, according to claim 7 or 8, characterized in that after the rPUSCH sequence (•) is multiplied by a scale factor of magnitude βPUSCH, starting with rPUSCH (0), the rPUSCH sequence (•) is mapped to the same physical resource blocking group to match the PUSCH transmission, when the rPUSCH sequence (•) is mapped to the RE (k, l) of a sub-frame, the mapping is performed first in the frequency domain (k) and then in the time domain (l) in an ascending kel order, the DM RS for the PUSCH in each space is located in the fourth (l = 3) of seven normal cyclic prefix symbols or the third (l = 2) of six symbols of the extended cyclic prefix.
    [0010]
    10. APPLIANCE FOR TRANSMITING REFERENCE SIGNS, characterized by being configured to: during the aggregation of the carrier, send demodulation reference signals (DM RS) to the physical uplink shared channel (PUSCH) in each section of the bandwidth occupied by the PUSCH on each component carrier, where a DM RS string in a bandwidth section is an independent string or part of an independent string and forms an independent string with DM RS strings in the multiple bandwidth sections in addition to the width section bandwidth; and the bandwidth section is a section of continuous bandwidth occupied by the PUSCH on any component carrier or is any of the multiple sections of the bandwidth occupied by the PUSCH on any component carrier.
    [0011]
    11. Apparatus according to claim 10, characterized in that the DM RS sequence sent by the apparatus satisfies the following conditions: the DM RS sequences in the multiple sections of the bandwidth occupied by the PUSCH in the same component carrier form an independent sequence, and the DM RS sequence in each section of the bandwidth is part of the independent sequence.
    [0012]
    Apparatus according to claim 10, characterized in that the DM RS sequence sent by the apparatus in each section of the bandwidth occupied by the PUSCH in each component carrier is an independent sequence.
    [0013]
    13. Apparatus according to claim 10, characterized in that the DM RS sequence sent by the apparatus satisfies the following conditions: a base sequence of the DM RS sequence in each section of the bandwidth comes from the same or different group, when the group hopping function is on, a group of the serial number u of the DM RS sequence in each section of the bandwidth varies with space on a radio frequency, and a hopping pattern of the group of the DM RS sequence in each section of the band bandwidth is the same or different.
    [0014]
    Apparatus according to claim 10, characterized in that the DM RS sequence sent by the apparatus satisfies the following conditions: in the same space, if the base sequences of a plurality of independent sequences come from the same group and have the same quantity of cyclic change, and lengths of the sequences are the same and greater than or equal to 6yRB, where yRB is the number of subcarriers occupied by a physical resource block in the frequency domain, then the intergroup of the sequence of the serial numbers of the sequences of basis of the plurality of independent sequences are the same or different, when the group hopping function is off while the sequence hopping function is on, the sequence hopping patterns of the plurality of independent sequences are the same or different, and the independent sequence is a DM RS sequence in a bandwidth section or a sequence formed collectively from DM RS sequences in multiple sections bandwidth.
    [0015]
    15. Apparatus according to claim 10, characterized in that the DM RS sequence sent by the apparatus satisfies the following conditions: if the base sequences of two independent sequences come from the same group and have the same amount of cyclic change, and lengths of two independent sequences are the same and greater than or equal to 6yRB, where yRB is the number of subcarriers occupied by a physical resource block in the frequency domain, so the sequence intergroup of the serial numbers vt, vj and {0, 1} of the two independent sequences satisfy vi (ns) = (vj (ns) + 1) mod2; if the group hopping function is off while the sequence hopping function is on, the sequence hopping patterns of the two independent sequences satisfy vt (ns) = (vj (ns) + 1) mod2, and each of the independent sequences is a DM RS sequence in a bandwidth section or a sequence formed collectively from DM RS sequences in multiple sections of the bandwidth.
    [0016]
    16. Apparatus according to claim 10, characterized in that the DM RS sequence sent by the apparatus satisfies the following conditions: when the DM RS sequence in the bandwidth section is an independent sequence, the DM RS rPUSCH (-) sequence in the bandwidth section is:
    [0017]
    17. Apparatus according to claim 10, characterized in that the DM RS sequence sent by the apparatus satisfies the following conditions: when the DM RS r PusC "() sequences in the R sections of the bandwidth are part of the independent rPUSC" (.), rPUSC "(.) is
    [0018]
    18. APPLIANCE, according to claim 16 or 17, characterized in that it is further configured for: after the sequence r PUSCH (-) is multiplied by a scale factor of magnitude βPUSCH, starting with rPUSCH (0), maps the sequence r PUSCH (.) For the same physical resource blocking group to match the PUSCH transmission, and when the rPUSCHQ sequence is mapped to the RE (k, i) of a sub-frame, it performs the mapping first in the frequency domain and then in the time domain in an ascending kel order, the DM RS 5 for the PUSCH in each space being located in the fourth (l = 3) of seven symbols of normal cyclic prefix or in the third (l = 2) of six symbols of extended cyclic prefix.
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    同族专利:
    公开号 | 公开日
    RU2515554C2|2014-05-10|
    CN101645868A|2010-02-10|
    EP2472809A4|2013-05-29|
    EP2472809A1|2012-07-04|
    MX2012002512A|2012-04-10|
    WO2011023035A1|2011-03-03|
    BR112012003932A2|2020-03-10|
    RU2012109221A|2013-10-10|
    JP2013503581A|2013-01-31|
    US8437270B2|2013-05-07|
    KR20120055637A|2012-05-31|
    EP2472809B1|2015-02-11|
    JP5479596B2|2014-04-23|
    ES2534756T3|2015-04-28|
    US20120140717A1|2012-06-07|
    KR101290196B1|2013-07-31|
    CN101645868B|2014-12-10|
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    法律状态:
    2020-03-24| B06F| Objections, documents and/or translations needed after an examination request according [chapter 6.6 patent gazette]|
    2020-04-22| B06U| Preliminary requirement: requests with searches performed by other patent offices: procedure suspended [chapter 6.21 patent gazette]|
    2020-04-28| B15K| Others concerning applications: alteration of classification|Free format text: A CLASSIFICACAO ANTERIOR ERA: H04L 27/26 Ipc: H04L 5/00 (2006.01) |
    2021-01-26| B09A| Decision: intention to grant [chapter 9.1 patent gazette]|
    2021-03-30| B16A| Patent or certificate of addition of invention granted [chapter 16.1 patent gazette]|Free format text: PRAZO DE VALIDADE: 10 (DEZ) ANOS CONTADOS A PARTIR DE 30/03/2021, OBSERVADAS AS CONDICOES LEGAIS. |
    优先权:
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    CN200910171827.8A|CN101645868B|2009-08-31|2009-08-31|Transmission method and device of reference signals|
    CN200910171827.8|2009-08-31|
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