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  • 专利说明
  • 权利要求
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    • 专利摘要:
    Data channel multiplexing and control methods in a multiple output multiple input (minimum) communication system A system and data channel control and multiplexing methods in a multiple output multiple input (minimum) communication system are provided. A method for multiplexing data symbols and control symbols from at least one codeword to a minimum layer plurality includes determining a number of control symbols for each of the minimum layer plurality by setting a class-dependent offset. at least one codeword variable.
    公开号:BR112012009642B1
    申请号:R112012009642
    申请日:2010-09-07
    公开日:2019-09-03
    发明作者:Xiao Weimin；Jin Ying；W Blankenship Yufei
    申请人:Huawei Tech Co Ltd；
    IPC主号:
    专利说明:

    TECHNICAL FIELD [001] The present invention relates generally to wireless communications, and more particularly to a system and method for multiplexing data channels and controlling a multiple input, multiple output (MIMO) communication system.
    BACKGROUND [002] For 3GPP Version 8 (commonly referred to as Long Term Evolution (LTE)), in general terms, uplink control information can be sent in two ways: (a) without simultaneous data transmission (ie , shared uplink channel (UL-SCH)), and (b) with simultaneous transmission of UL-SCH. Here we are concerned with (b) where control and data are sent in the same subframe.
    [003] When the User equipment (EU) has a valid programming guarantee, the network resources are assigned to the UL-SCH in a corresponding subframe. In the subframe, the uplink layer 1 (L1) / layer 2 (L2) control signaling can be multiplexed with the UL-SCH encoded on a physical uplink shared channel (PUSCH) prior to transform transformation and precoding discrete Fourier transform (DFT). Control signaling can include hybrid auto-repeat request acknowledgments (HARQ) and channel status reports.
    SUMMARY OF THE INVENTION
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    2/23 [004] These and other problems are usually solved or bypassed, and technical advantages are generally obtained, by means of a system and method for multiplexing data channels and controlling a multiple input, multiple output communication system (MIMO).
    [005] In accordance with an aspect of the invention, a method of multiplexing data symbols and control symbols of at least one code word to a plurality of layers of multiple inputs, multiple outputs (MIMO) is provided. The method includes determining a number of the control symbol for each of the pluralities of MIMO layers, from the configuration of a compensated variable classification dependent on at least one codeword.
    [006] In accordance with one aspect of the invention, a method for transmitting control symbols and data symbols in multiple input, multiple output (MIMO) layers is provided. The method includes multiplexing data symbols and control symbols of at least one code word for the plurality of multiple input, multiple output (MIMO) layers, and determining a number of control symbols for each of the pluralities of MIMO layers, from the configuration of a compensated variable classification
    dependent in at least an word of code; and streaming From symbols in Dice and symbols of control on plurality in layers in MIMO on a channel binding
    ascending.
    [007] In accordance with one aspect of the invention,
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    3/23 a system for transmitting control symbols and data symbols of at least one code word for the plurality of layers of multiple inputs, multiple outputs (MIMO) is provided. The system includes a transmitter configured to determine a number of control symbols for each of the plurality of MIMO layers, from the configuration of a compensated variable classification dependent on at least one codeword, the transmitter including a plurality of antennas to transmit control symbols and data symbols in the MIMO layers.
    [008] the signs of
    An advantage of an aspect of the invention is that multi-layered multiplex control
    MIMO can help with gaining diversity processing.
    [009] Yet another advantage of one aspect of the invention is that the multiplexing of the control signals to multiple MIMO layers based on the type, requirements and nature of the control information is transmitted. For example, CQI / PMI control signals can be mapped to different MIMO or CWS layers or number of MIMO layers than ACK / NACK HARQ or RI.
    [0010] The aforementioned has only outlined, rather than broadly, the characteristics and technical advantages of the present invention, so that the detailed description of the modalities that follow can be better understood. The additional features and advantages of the modalities will be described below, which form the subject of the claims of the present invention. Must be appreciated by those experts in the art where the design and modalities
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    4/23 specific disclosures can be readily used as a basis for modifying or designing other structures or processes to accomplish the same purposes as the present invention. It should also be realized by those skilled in the art that such equivalent constructions do not depart from the invention as defined in the appended claims.
    BRIEF DESCRIPTION OF THE DRAWINGS [0011] For a more complete understanding of the modalities, and the advantages of them, reference is now made to the following description taken in conjunction with the attached drawings, in which:
    Figure 1 is a space diagram of an LTE control and data multiplexing;
    Figure 2 is a diagram of a UL class-2 transmission transmitter structure using two TBs for two transmission antennas in the case of no ACK / NACK spatial packaging without layer shifting;
    Figure 3 is a diagram of a UL Class-2 transmission transmitter structure using two TBs for two transmission antennas, in the case of ACK / NACK spatial packaging with displacement layer;
    Figure 4a is a diagram of a single codeword for a single layer mapping in LTE;
    Figure 4b it is a diagram of a mapping in two code words for two layers; Figure 4c it is a diagram of a mapping in two code words for three layers; Figure 4d it is a diagram of a mapping in two code words for four layers; Figure 4e it is a diagram of a mapping in an
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    5/23 codeword for two layers;
    Figure 5 is a two-layer MIMO space diagram containing control and data from a single codeword;
    Figure 6 is a two-layer MIMO space diagram containing control and data from two codewords;
    Figure 7 is a three-layer MIMO space diagram containing control and data from two codewords, and
    Figure 8 is a two-layer MIMO space diagram containing control and data from two code words.
    DETAILED DESCRIPTION OF ILLUSTRATIVE MODALITIES [0012] The manufacture and use of the modalities are discussed in detail below. It should be appreciated, however, that the present invention provides many applicable inventive concepts that can be incorporated in a wide variety of specific contexts. The specific modalities discussed are merely illustrative of specific ways of making and using the invention, and do not limit the scope of the invention.
    [0013] Figure 1 illustrates the space diagram 100 of an LTE control and data multiplexing. As shown in Figure 1, the control and data are multiplexed in a single uplink layer. The space diagram 100 can be divided into different zones with the zones carrying different information. Zones painted with a similar pattern of paint carry similar information. For example, zone 105 can be used to carry a reference signal,
    Petition 870180046588, of 05/30/2018, p. 39/63
    6/23 for example, a pilot. While zone 110 can be used to carry UL-SCH data, zone 115 can be used to carry quality channel indicator and / or indication of precoding matrix information, zone 120 can be used to carry ACKs / NACKs used in HARQ, and zone 125 can be used to carry class indicator information.
    [0014] Each zone can contain a plurality of resource elements (RES) with an exact number of resource elements assigned to an individual zone depending on factors such as the modulation and coding scheme being used, the communication system configuration, number of EUs working and so on. The proportions of the different zones shown in the space diagram 100 are not intended to illustrate the precise relationships between the number of resource elements assigned to the different zones, but rather to convey a relation and relative arrangement of the zones.
    [0015] For 3GPP Version 10 (commonly referred to as LTE-Advanced (LTE-A)), a transmission block (TB) can be mapped to a MIMO code word (CW), after a processing chain including channel encoding , correspondence rate, modulation, and so on, the same as in LTE. However, the maximum number of LTE-A uplink MIMO layers is increased to four and the maximum number of MIMO code words is increased to two.
    [0016] In contrast to MIMO downlink, LTE-A upward link (UL) MIMO is considering adopting layer shifting along with packaging
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    7/23 spatial ACK / NACK in the processing chain. Figure 2 illustrates a UL Class-2 transmission transmitter structure 200 using two TBs for two transmission antennas in the case of no spatial ACK / NACK packaging without displacement layer. Figure 3 illustrates a UL Class-2 transmission transmitter structure 300 using two TBs for two transmission antennas, in the case of displacement layer ACK / NACK space packaging.
    [0017] Figure 4a illustrates a single codeword for a single layer mapping in LTE. Figure 4b illustrates a mapping of two codewords to two layers. Figure 4c illustrates a mapping of two codewords to three layers. Figure 4d illustrates a mapping of two codewords to four layers. Figure 4e illustrates a mapping of a codeword to two layers. If the project used in the DL LTE is used, then the mapping shown in Figure 4e can only be used for retransmissions where an initial transmission used two layers to send the TB. In addition, the code word (CW) combinations for the layer mapping shown in Figure 4a through Figure 4e can be used for LTE-Advanced uplink.
    [0018] As indicated in TR36.814, simultaneous transmission of L1 / L2 control signaling and uplink data is supported through two mechanisms:
    - Control signaling is multiplexed with PUSCH data according to the same principle as Version 8;
    - Control signaling is transmitted on the physical uplink control channel (PUCCH) simultaneously with data on PUSCH.
    Petition 870180046588, of 05/30/2018, p. 41/63
    8/23 [0019] Although control can be transmitted in PUCCH simultaneously with PUSCH data, multiplexing of control signaling with PUSCH data is still necessary, at least in the following cases:
    - Data multiplexing and PUSCH control reduces CM and therefore increases coverage.
    - When CQI / PMI / RI and perhaps other channel status information are triggered by PDCCH which assigns UL-SCH transmission, such control information has to be multiplexed together with PUSCH data.
    [0020] When only one MIMO layer is being used, the same control data multiplexing scheme as described for 3GPP Version 8 must be used (shown in Figure 1). New control data multiplexing designs are discussed below for cases with multiple MIMO layers, for example, one or more code words mapped to two, three or four MIMO layers (shown in Figures 4b to 4e).
    [0021] The multiplexing of control data in multi-layered MIMO PUSCH transmission can take several approaches: single codeword or all codewords.
    [0022] Single codeword rule Select layers associated with one of the codewords for multiplexing control data. A criterion or rule may be needed to select an appropriate codeword. The codeword can be selected explicitly (for example, selecting a first codeword) via upper layer signaling or downlink control channel signaling
    Petition 870180046588, of 05/30/2018, p. 42/63
    9/23 dynamic physics (PDCCH). Alternatively, the codeword can be selected implicitly using: a) a codeword coding and modulation scheme (MCS) level, as provided in the PDCCH that assigns the PUSCH, b) a signal rate plus interference to noise from the codeword (SINR), c) a series of layers occupied by a codeword, d) an impact of a codeword on PUSCH performance, e) HARQ transmission state, for example, initial versus retransmissions or a combination of these.
    [0023] Rule of all code words Use all MIMO layers for multiplexing control data. When a codeword maps to two layers, the single codeword strategy degenerates for all codeword strategies.
    [0024] The comparison of performance and selection for a final solution depends heavily on the spatial packaging ACK / NACK (LS / ANB) with displacement layer being used for MIMO UL transmissions. Other considerations may include the type of receiver (successive interference cancellation (SIC) versus minimum mean squared error (MMSE)) that an improved NéB (ENB) is probably implementing, if retransmission is in one of the code words in case of non-LS / ANB, size (number of bits) of the control information (in relation to that of the allocated PUSCH resource). In addition, different consideration may be required for CQI / PMI versus ACK / NACK and RI for coverage and diversity purposes. For example, CQI / PMI can be mapped to different layers or CWs, or a different number of layers or CWs, than ACK / NACK or RI.
    Petition 870180046588, of 05/30/2018, p. 43/63
    10/23 [0025] Although LTE control information, such as NACK / ACK, RI, CQI / PMI, is discussed here, control signaling, such as carrier indicators, can be processed in a similar way, in LTE- THE.
    Information in Control in an word in unique code. [0026] Once what The information in control is important for the functioning appropriate of a system in
    communications, it needs to be protected as much as possible so that it can be received by ENB correctly.
    In addition, the control information is relatively small and is protected by relatively weak codes, convolutional codes, such as block codes and so a better quality physical channel must be used to carry the control information.
    [0027] Therefore, if there are multiple MIMO layers, design considerations may include:
    - The control information must be mapped to the layers with the best quality. For example, for two code words mapped to two layers, assume that layer two is better than layer one, then the control information should be mapped to layer two, leaving layer one completely for data only.
    - It can be simpler for the receiver if the control information is mapped to layers belonging to the same code word.
    - If the control information is to be multiplexed with a code word X, the control information must be
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    11/23 be mapped to all layers of the code word X. This allows the control information to take advantage of the diversity between the layers.
    - If the control information is mapped to multiple layers, it must occupy the same resource elements across the various layers.
    [0028] Thus, for the code-to-layer word mapping scenarios shown in Figures 4a to 4e, the multiplexing of control data is as follows. In the figures to be discussed below, the illustrated locations of the control signals, for example, Figures 1, 5-8, the amount of resource elements assigned to each type of control signal is for illustration only. As in LTE, the number of modulation symbols for each type of control signal will be calculated as a function of several variables. Then, a rule can be used to assign modulation symbols to resource elements until all modulation symbols are exhausted. The number of modulation symbols assigned to each layer / slot may vary.
    [0029] A codeword mapped to a layer: Reuse of 3GPP Version 8 project (Figure 1).
    [0030] A codeword mapped to two layers: Figure 5 illustrates a two-layer MIMO 500 space diagram containing control and data from a single code word. Control information (contained in zone 505 and zone 506 as well as zones 510-513) can be multiplexed on both layers, where control modulation symbols occupy the same (or approximately the same) resource elements on both layers. How
    Petition 870180046588, of 05/30/2018, p. 45/63
    12/23 illustrated in Figure 5, the information carried in zones, such as zones 510-513, can be multiplexed by time division with the data. As specified in LTE Version 8, zones 510-513 can also be used to carry HARQ ACK / NACK information and class indicator (RI).
    [0031] Two codewords mapped to two layers: Figure 6 illustrates a space diagram 600 of two MIMO layers containing control and data from two code words. Map control information to a layer according to the single codeword rule, as discussed earlier (zone 605 and zones 615 and 616). Let the layer carrying the control information be referred to as layer X. Within layer X, control and data multiplexing reuse the 3GPP Version 8 project. Here, the control information includes not only CQI, ACK / NACK, RI used in Version 8, but also includes any new type of control information that can be set to Version 10 or later, for example, indicator for carrier aggregation and COMP, etc. Zone 610 carries the codeword data with control and data, while zone 611 carries the codeword data with data only.
    [0032] Two codewords mapped to three layers: Figure 7 illustrates a three-layer MIMO space diagram 700 containing control and data from two code words. As shown in Figure 7, a first codeword (which is referred to as CW1) is mapped to one layer and a second codeword (which is referred to as CW2) is mapped to two layers.
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    13/23
    Clearly, CW2 contains twice as many modulation symbols as CW1 if control information is deleted. Thus, if control information is perforated for data modulation symbols, multiplexing control symbols with CW2 may be better than multiplexing with CW1 in terms of a number of data modulation symbols being perforated from a code word. Zone 705 and zones 720 and 721 contain codeword control information containing control and data, zone 710 contains codeword data containing control and data, and zone 715 contains codeword data containing only the data.
    [0033] Two codewords mapped to four layers: Each codeword maps to two MIMO layers. Leave a first codeword where the control information resides to be denoted by codeword X. Codeword X is selected according to the single codeword rule, as discussed earlier. Within the codeword X, control and data multiplexing can be performed as with the codeword CW2 if it is with two codewords mapped to three layers.
    [0034] Control information in all code words.
    [0035] In the situation where the control information is contained in all code words, then the control information can always be mapped to all MIMO layers. As discussed here, every code word means that there are two or more code words. Therefore, situations where a code word is
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    14/23 mapped to one or two layers may not be considered. Figure 8 illustrates a two-layer MIMO space diagram 800 containing control and data from two code words. As shown in Figure 8, the control information can be mapped to both layers, while the data for each of the two code words is mapped to a single layer. The control and data mapping of two code words to two MIMO layers as shown in Figure 8 can have an advantage of maximizing spatial diversity for control information, as well as better coverage of control information. Zones 805 and 806, as well as zones 815 to 818 carry control information from both code words, while zone 810 carries data from a first code word and zone 811 carries data from a second code word .
    [0036] However, the allocation of control signaling resources can be difficult due to the separate processing of two transmission blocks. For example, two transmission blocks can have different modulation orders, thus making the control information use two different modulation orders. If a SIC receiver is used, mapping control information to all layers can make cancellation difficult to implement. In addition, if ACK / NACK spatial packaging with an offset layer is adopted, complete or close to complete spatial diversity can be available for each layer, making the mapping of all code words even less attractive.
    [0037] In 3GPP Version 8, formulas to determine
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    15/23 a number of symbols encoded for HARQ-ACK or class indicator and channel quality information are:
    and
    [0038] To extend to multi-layered PUSCH transmissions, formulas need to be updated as well. Note that while NACK / ACK, RI, and CQI are used as examples of control information, a similar formula can be used to carry other types of control information, for example, the indicator for carrier and COMP aggregation, etc. Formulas should not be interpreted as limited to any specific type of control information. The formulas for the single codeword case are shown below.
    - ACK / NACK (RI) for single codeword:
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    16/23
    Where Nlayer is the number of layers for the
    Multiplexer CW. In addition, the mapping order
    REs across the layers must be defined.
    CQI for single codeword:
    [0039] order of mapping
    In addition, a resource element between layers needs to be defined.
    [0040]
    The formulas for all code words are shown below.
    ACK / NACK for all code words:
    rr
    Q '= min ________' i ^ layer ,! + layer, 2)
    Tt MPR 1 Λ7
    Nlayer „ϊ 'n + l a yer, 2
    THE
    4-M pusch - (n, + N,
    W 1V1 if V v layer.X “ 1 v layer.2
    MPR, ~ βΓ)
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    17/23
    PUSCH-initial
    = min
    Γ _1 <- _l <'_l
    τ., PUSCH-initial PUSCH-initial í, ir j nPUSCH 1V1 sc ' 1N symb' V V layer ^ / V layer, 2 / Poffset = mm
    am pusch án + / v) 1V1 sc V V layer, 1V layer, 2) [0041]
    The last step shown above assumes that the two code words use the same offset value (β). MPRn (n = 1,2) is the spectral efficiency associated with the MCS level of codeword n. To obtain this formula, a weighted average MPR (per number of layers of each codeword) can be used to calculate the number of encoded symbols for the control information, while the original LTE Version 8 formula uses the MPR of a word single code. In addition, an order of mapping resource elements between layers and codewords needs to be defined. In order to achieve diversity gain, mapping can first be done using code words / layers. In the event that different levels of modulation are used in the two codewords, ACK / NACK and RI coding schemes need to be modified.
    - CQI for all code words:
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    18/23
    Q '= min
    [0042] In addition, the order of mapping resource elements between layers and code words needs to be defined. In order to achieve diversity gain, the mapping can first be done through code words / layers. In the event that different levels of modulation are used in the two code words, performance needs to be verified.
    [0043] In addition, class-dependent displacement values can be considered for all cases where different values of β displacement can be configured for a different number of PUSCH transmission layers.
    Comparison of options.
    [0044] In Table 1, the pros and cons of single codeword mapping options and all codewords are compared considering a variety of combinations. The comparison shows that single codeword options can be a simpler solution than the options for all codewords.
    Table 1. Comparison of the Single-CW strategy with the All-CW strategy under the hypothesis of (a) layer displacement vs no layer displacement and (b) MMSE receiver vs SIC receiver.
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    19/23
    LS with ANB Not LS and ANB Receptor Only- Because ANB, Need to select MMSE CW balance O a CW for FER performance of multiplexing 2 words in accurate code to be considered. All- Same / similar level Different levelsCW MCS is likely for MCS are likely both CWs. Because for the 2 CWs, the ANB, balance the that makes it difficult to FER performance of determination of two CWs must to be number of symbols easy for it is coded for configuration.information control. Receptor Only- Select CW for Select CW to SIC CW multiplexing can multiplexing can be complicated. be complicated. Because ANB, balance O FER performance of 2 words in accurate code to be considered. All- Different levels Different levelsCW MCS can to be MCS are likely used for the 2 for the 2 CWs, the CWs, the what that makes it difficult to hinders The determination of
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    20/23
    determination of number of symbols number of symbols coded for coded for information in information in control. In control. In addition,addition,multiplexing in multiplexing in control on both control on both CWs can CWs can interrupt O interrupt O behavior in behavior in SIC receiver.receptor SIC. Because ANB, balance O FER performance of 2 words in accurate code to be
    considered.
    [0045] Advantageous features of modalities of the invention may include: a method for transmitting control symbols and multi-layer data symbols MIMO, the method comprising: selecting a first set of code words associated with a first set of layers the multiple MIMO layers of Ncw code words, where the Ncw code words must be transmitted simultaneously and the first set of code words comprises Ncw1 MIMO code words, where Ncw1 is an integer greater than or equal to 1; distribution of control symbols for the first set of layers; placement of data symbols from the
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    21/23 first set of code words for the first set of layers; placement of data symbols for the remaining (Ncw - Ncw1) code words for remaining layers if Ncw> Ncw1; and transmission of multiple MIMO layers. The method may further include, wherein the first set of code words comprises a single code word. The method may also include, in which the first set of code words is selected by a communication device. The method may also include, in which the first set of code words is selected based on the quality of the channel. The method may further include, in which the first set of codewords is selected based on a level of modulation and coding scheme (MCS) associated with the codewords. The method may further include, in which the first set of codewords is selected based on the number of layers associated with the codewords. The method may also include, in which the first set of codewords is selected based on the level of impact that the control symbols have on the data transmission performance of each codeword. The method may also include, where the impact is a ratio of control symbols to data symbols for each codeword. The method may further include, in which the first set of code words is selected based on a hybrid automatic repeat request transmission (HARQ) state associated with the code words. The method may also include, in which the first set of code words is selected by a controller serving a communication device. O
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    The method may further include, wherein the first set of codewords is signaling to the communications device via a downlink message. The method could, furthermore, include, wherein the first set of code words comprises Ncw code words. The method may further include, in which the distribution of control symbols for the first set of layers is based on the MCS levels of the first set of codewords. The method may further include, in which the distribution of control symbols for the first set of layers is based on weighted MCS levels of the first set of codewords. The method may further include, wherein the distribution of control symbols for the first set of layers comprises the distribution of control symbols substantially equally for the first set of layers. The method may further include, in selecting a first set of code words comprises selecting two different first sets of code words for two different types of control symbols.
    [0046] Although the modalities and their advantages have been described in detail, it should be understood that various changes, substitutions and modifications can be made here without departing from the invention as defined by the attached claims. Furthermore, the scope of the present application is not intended to be limited by the particular modalities of the process, such as machine, fabrication, material composition, means, methods and steps described in the specification. As a normal expert in the art you will readily appreciate from the disclosure of the present invention,
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    23/23 processes, machines, manufacturing, compositions of matter, means, methods, or steps, presently existing or later developed, that perform substantially the same function or achieve substantially the same result as the corresponding modalities described herein, can be used according to the present invention. Accordingly, the appended claims are intended to include within its scope such processes, machines, manufacturing, compositions of matter, means, methods, or steps.
    权利要求:
    Claims (19)
    [1]
    1. Method for multiplexing data symbols and control symbols of at least one code word for a plurality of layers of multiple inputs, multiple outputs (MIMO), the method characterized by comprising:
    the determination of a number of control symbols for each of the pluralities of MIMO layers, based on the configuration of a compensated variable classification dependent on at least one code word.
    [2]
    2. Method according to claim 1, characterized by the fact that the control symbols are multiplexed to substantially similar resource elements across the MIMO layers.
    [3]
    3. Method, according to claim 1, further comprising the step of: multiplexing a first type of control symbols for a first set of MIMO layers, and a second type of control symbols for a second set of MIMO layers, wherein the first set of MIMO layers is at least partially different from the second set of the plurality of MIMO layers.
    [4]
    4. Method, according to claim 3, further characterized by comprising a step of: selecting a code word for the first type of control symbols according to the level of the Coding and Modulation Scheme (MCS) of the code word .
    [5]
    5. Method, according to claim 1, characterized by the fact that at least one code word includes a plurality of code words, the
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    2/5 method also comprising the step of: multiplexing a first type of control symbols to a first set of code words and a second type of control symbols to a second set of code words, where the first set code words is at least partially different from the second set of code words.
    [6]
    6. Method, according to claim 1, further characterized by comprising the step of: selecting a code word for the data symbols and control symbols, in accordance with a transmission status of the hybrid automatic repeat request (HARQ) .
    [7]
    7. Method, according to claim 1, characterized by the fact that the control symbols comprise at least one channel quality information (CQI) and precoding matrix indicators (PMI).
    [8]
    8. Method according to claim 1, characterized by the fact that the control symbols comprise at least one of the positive recognition (ACK) / negative recognition (NACK) signals of hybrid automatic repeat request (HARQ), and signals classification indicators (IR).
    [9]
    9. Method according to claim 1, characterized by the fact that the control symbols are multiplexed by time division with the data symbols, to temporarily align the control symbols through the MIMO layers.
    [10]
    10. Method for transmitting control symbols and data symbols in multiple input, multiple output (MIMO) layers, the method characterized by
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    3/5 understand:
    multiplexing the data symbols and control symbols of at least one code word to a plurality of multiple input, multiple output (MIMO) layers, and determining a number of control symbols for each of the plurality of MIMO layers , from the configuration of a compensated variable classification dependent on at least one code word; and transmitting the data symbols and control symbols in the plurality of MIMO layers in an uplink channel.
    [11]
    11. System for transmitting control symbols and data symbols of at least one code word to a plurality of layers of multiple inputs, multiple outputs (MIMO), the system characterized by comprising:
    a transmitter configured to determine a number of control symbols for each of the pluralities of MIMO layers, from the configuration of a compensated variable rating dependent on at least one code word, the transmitter including a plurality of antennas for transmitting control and data symbols in the MIMO layers.
    [12]
    12. System according to claim 11, characterized by the fact that the transmitter is also configured to multiplex the control symbols for substantially similar resource elements across the MIMO layers.
    [13]
    13. System according to claim 11, characterized by the fact that the transmitter is also
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    4/5 configured to multiplex a first type of control symbols to a first set of MIMO layers, and a second type of control symbols to a second set of MIMO layers, and the first set of MIMO layers is at least partially different from second set of MIMO layers.
    [14]
    14. System, according to claim 13, characterized by the fact that the transmitter is also configured to select a code word for the first type of control symbols according to the level of the Coding and Modulation Scheme (MCS) of the codeword.
    [15]
    15. System according to claim 11, characterized by the fact that the transmitter is also configured to multiplex a first type of control symbols to a first set of code words, and a second type of control symbols to a second set of codewords, and the first set of codewords is at least partially different from the second set of codewords.
    [16]
    16. System according to claim 11, characterized by the fact that the transmitter is also configured to select a code word for data symbols and control symbols based on a transmission status of the hybrid automatic repeat request (HARQ ).
    [17]
    17. System, according to claim 11, characterized by the fact that the control symbols comprise at least one channel quality information (CQI), and precoding matrix indicators (PMI).
    Petition 870180046588, of 05/30/2018, p. 61/63
    5/5
    [18]
    18. System according to claim 11, characterized by the fact that the control symbols comprise at least one of the positive recognition (ACK) / negative recognition (NACK) signals of hybrid automatic repeat request (HARQ), and signals classification indicators (IR).
    [19]
    19. System according to claim 11, characterized by the fact that the antennas transmit the data symbols and the control symbols in the pluralities of the MIMO layers in the uplink channels.
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    同族专利:
    公开号 | 公开日
    JP2016028503A|2016-02-25|
    CN102439866A|2012-05-02|
    RU2516484C2|2014-05-20|
    US9935696B2|2018-04-03|
    US9270427B2|2016-02-23|
    KR101183942B1|2012-09-18|
    RU2560836C2|2015-08-20|
    US20110249590A1|2011-10-13|
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    JP5898622B2|2016-04-06|
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    KR20120061890A|2012-06-13|
    US20180219592A1|2018-08-02|
    RU2599982C1|2016-10-20|
    WO2011082589A1|2011-07-14|
    US20160173178A1|2016-06-16|
    BR112012009642B8|2019-11-26|
    EP3461051A1|2019-03-27|
    US8059752B2|2011-11-15|
    JP6174648B2|2017-08-02|
    JP2013509053A|2013-03-07|
    US10396870B2|2019-08-27|
    EP2460285A1|2012-06-06|
    CN102439866B|2014-04-30|
    US20110170625A1|2011-07-14|
    EP2460285B1|2018-07-25|
    RU2014107892A|2015-04-20|
    BR112012009642A2|2017-08-08|
    US20170149481A1|2017-05-25|
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    法律状态:
    2019-02-05| B15K| Others concerning applications: alteration of classification|Free format text: A CLASSIFICACAO ANTERIOR ERA: H04B 7/02 Ipc: H04B 7/0456 (2017.01), H04B 7/06 (1968.09) |
    2019-03-12| B06F| Objections, documents and/or translations needed after an examination request according [chapter 6.6 patent gazette]|
    2019-07-02| B09A| Decision: intention to grant [chapter 9.1 patent gazette]|
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    优先权:
    申请号 | 申请日 | 专利标题
    US29398510P| true| 2010-01-11|2010-01-11|
    US12/856,333|US9270427B2|2010-01-11|2010-08-13|System and method for multiplexing control and data channels in a multiple input, multiple output communications system|
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