Multiplexing demodulation reference signals in wireless communications
    1.
    发明授权
    Multiplexing demodulation reference signals in wireless communications 有权
    在无线通信中复用解调参考信号

    公开(公告)号:US09258160B2

    公开(公告)日:2016-02-09

    申请号:US12987771

    申请日:2011-01-10

    摘要: Methods and apparatuses are provided for determining cyclic shift (CS) values and/or orthogonal cover codes (OCC) for a plurality of demodulation reference signals (DM-RS) transmitted over multiple layers in multiple-input multiple-output (MIMO) communications. A CS index can be received from a base station in downlink control information (DCI) or similar signaling. Based at least in part on the CS index, CS values for the plurality of DM-RSs can be determined. In addition, OCC can be explicitly signaled or similarly determined from the CS index and/or a configured CS value received from a higher layer. In addition, controlling assignment of CS indices and/or OCC can facilitate providing orthogonality for communications from paired devices in multiuser MIMO.

    摘要翻译: 提供了用于确定在多输入多输出(MIMO)通信中通过多层传输的多个解调参考信号(DM-RS)的循环移位(CS)值和/或正交覆盖码(OCC)的方法和装置。 可以在下行链路控制信息(DCI)或类似信令中从基站接收CS索引。 至少部分地基于CS索引,可以确定多个DM-RS的CS值。 另外,可以从CS索引和/或从较高层接收到的配置的CS值明确地发信号或类似地确定OCC。 此外,控制CS索引和/或OCC的分配可以有助于在多用户MIMO中为来自配对设备的通信提供正交性。

    Multiplexing and coding schemes for multiple transmit antennas in a wireless communication system
    2.
    发明授权
    Multiplexing and coding schemes for multiple transmit antennas in a wireless communication system 有权
    在无线通信系统中用于多个发射天线的多路复用和编码方案

    公开(公告)号:US08737502B2

    公开(公告)日:2014-05-27

    申请号:US12687576

    申请日:2010-01-14

    IPC分类号: H04B7/02

    摘要: Techniques for transmitting data from multiple transmit antennas using space orthogonal resource transmit diversity (SORTD) are described. For the SORTD scheme, a different orthogonal resource may be assigned to each transmit antenna. Data may be sent from the multiple transmit antennas using multiple orthogonal resources. In one design, a UE may process at least one information bit (e.g., with joint or independent coding) to obtain first and second sets of at least one modulation symbol. The UE may process the first set of modulation symbol(s) for transmission from the first transmit antenna using a first orthogonal resource. The UE may process the second set of modulation symbol(s) for transmission from the second transmit antenna using a second orthogonal resource. Each orthogonal resource may include a different reference signal sequence or a different set of reference signal sequence and orthogonal sequence.

    摘要翻译: 描述了使用空间正交资源发射分集(SORTD)从多个发射天线发射数据的技术。 对于SORTD方案,可以将不同的正交资源分配给每个发射天线。 可以使用多个正交资源从多个发射天线发送数据。 在一种设计中,UE可以处理至少一个信息比特(例如,具有联合或独立编码)以获得第一和第二组至少一个调制符号。 UE可以使用第一正交资源处理第一组调制符号以从第一发射天线发射。 UE可以使用第二正交资源处理第二组调制符号以从第二发射天线发射。 每个正交资源可以包括不同的参考信号序列或不同的参考信号序列集合和正交序列。

    MULTIPLEXING DEMODULATION REFERENCE SIGNALS IN WIRELESS COMMUNICATIONS
    3.
    发明申请
    MULTIPLEXING DEMODULATION REFERENCE SIGNALS IN WIRELESS COMMUNICATIONS 有权
    无线通信中的多路复用解调参考信号

    公开(公告)号:US20120014318A1

    公开(公告)日:2012-01-19

    申请号:US12987771

    申请日:2011-01-10

    IPC分类号: H04J11/00 H04L27/28

    摘要: Methods and apparatuses are provided for determining cyclic shift (CS) values and/or orthogonal cover codes (OCC) for a plurality of demodulation reference signals (DM-RS) transmitted over multiple layers in multiple-input multiple-output (MIMO) communications. A CS index can be received from a base station in downlink control information (DCI) or similar signaling. Based at least in part on the CS index, CS values for the plurality of DM-RSs can be determined. In addition, OCC can be explicitly signaled or similarly determined from the CS index and/or a configured CS value received from a higher layer. In addition, controlling assignment of CS indices and/or OCC can facilitate providing orthogonality for communications from paired devices in multiuser MIMO.

    摘要翻译: 提供了用于确定在多输入多输出(MIMO)通信中通过多层传输的多个解调参考信号(DM-RS)的循环移位(CS)值和/或正交覆盖码(OCC)的方法和装置。 可以在下行链路控制信息(DCI)或类似信令中从基站接收CS索引。 至少部分地基于CS索引,可以确定多个DM-RS的CS值。 另外,可以从CS索引和/或从较高层接收到的配置的CS值明确地发信号或类似地确定OCC。 此外,控制CS索引和/或OCC的分配可以有助于在多用户MIMO中为来自配对设备的通信提供正交性。

    METHOD AND APPARATUS FOR CONTROL AND DATA MULTIPLEXING IN WIRELESS COMMUNICATION
    4.
    发明申请
    METHOD AND APPARATUS FOR CONTROL AND DATA MULTIPLEXING IN WIRELESS COMMUNICATION 有权
    无线通信中控制和数据多路复用的方法与装置

    公开(公告)号:US20110268080A1

    公开(公告)日:2011-11-03

    申请号:US13099210

    申请日:2011-05-02

    IPC分类号: H04W72/06

    CPC分类号: H04L5/0053

    摘要: A method of wireless communication includes determining a number of symbols for uplink control information (UCI) on each of a plurality of layers, multiplexing symbols for the UCI with data on multiple layers such that the symbols are time aligned across the layers, and sending the multiplexed symbols on the multiple layers on uplink. In some designs, the number of symbols for the UCI may be determined based on a spectral resource parameter.

    摘要翻译: 一种无线通信方法包括:在多个层中的每个层上确定用于上行链路控制信息(UCI)的符号数目,将多个符号用于多层的数据复用多个符号,使得符号在层间进行时间对齐,并发送 上行链路上多层的多路复用符号。 在一些设计中,可以基于频谱资源参数来确定UCI的符号数。

    MULTIPLEXING AND CODING SCHEMES FOR MULTIPLE TRANSMIT ANTENNAS IN A WIRELESS COMMUNICATION SYSTEM
    5.
    发明申请
    MULTIPLEXING AND CODING SCHEMES FOR MULTIPLE TRANSMIT ANTENNAS IN A WIRELESS COMMUNICATION SYSTEM 有权
    无线通信系统中多个发射天线的多路复用和编码方案

    公开(公告)号:US20100202559A1

    公开(公告)日:2010-08-12

    申请号:US12687576

    申请日:2010-01-14

    IPC分类号: H04L27/00

    摘要: Techniques for transmitting data from multiple transmit antennas using space orthogonal resource transmit diversity (SORTD) are described. For the SORTD scheme, a different orthogonal resource may be assigned to each transmit antenna. Data may be sent from the multiple transmit antennas using multiple orthogonal resources. In one design, a UE may process at least one information bit (e.g., with joint or independent coding) to obtain first and second sets of at least one modulation symbol. The UE may process the first set of modulation symbol(s) for transmission from the first transmit antenna using a first orthogonal resource. The UE may process the second set of modulation symbol(s) for transmission from the second transmit antenna using a second orthogonal resource. Each orthogonal resource may include a different reference signal sequence or a different set of reference signal sequence and orthogonal sequence.

    摘要翻译: 描述了使用空间正交资源发射分集(SORTD)从多个发射天线发射数据的技术。 对于SORTD方案,可以将不同的正交资源分配给每个发射天线。 可以使用多个正交资源从多个发射天线发送数据。 在一种设计中,UE可以处理至少一个信息比特(例如,具有联合或独立编码)以获得第一和第二组至少一个调制符号。 UE可以使用第一正交资源处理第一组调制符号以从第一发射天线发射。 UE可以使用第二正交资源处理第二组调制符号以从第二发射天线发射。 每个正交资源可以包括不同的参考信号序列或不同的参考信号序列集合和正交序列。

    UPLINK OPEN-LOOP SPATIAL MULTIPLEXING IN WIRELESS COMMUNICATIONS
    6.
    发明申请
    UPLINK OPEN-LOOP SPATIAL MULTIPLEXING IN WIRELESS COMMUNICATIONS 有权
    无线通信中的上行开环空间多路复用

    公开(公告)号:US20100195759A1

    公开(公告)日:2010-08-05

    申请号:US12697619

    申请日:2010-02-01

    IPC分类号: H04L27/00

    摘要: Systems and methodologies are described that facilitate cycling through precoders for transmitting wireless network communications in a time domain. The precoders can be cycled according to a precoder sequence for each data symbol transmission. When the last precoder is selected the cycle can begin again, a new precoder sequence can be received or defined, and/or the like. A precoder sequence related to a subset of precoders present in a wireless device can be defined sequentially, cyclically shifted according to an identifier or one or more communications parameters, randomly, pseudo-randomly according to an identifier or one or more communications parameters, and/or the like. In addition, the precoder sequence can be utilized to select a precoder for one or more retransmissions. Such cycling of precoders can increase transmit diversity.

    摘要翻译: 描述了有助于循环通过用于在时域中发送无线网络通信的预编码器的系统和方法。 预编码器可以根据每个数据符号传输的预编码器序列循环。 当选择最后一个预编码器时,循环可以再次开始,可以接收或定义新的预编码器序列和/或类似物。 可以根据标识符或一个或多个通信参数根据标识符或一个或多个通信参数随机地随机地定义与存在于无线设备中的预编码器子集相关的预编码器序列和/ 或类似物。 此外,预编码器序列可用于为一个或多个重传选择预编码器。 预编码器的这种循环可以增加发射分集。

    Method and apparatus for control and data multiplexing in wireless communication
    8.
    发明授权
    Method and apparatus for control and data multiplexing in wireless communication 有权
    无线通信中控制和数据复用的方法和装置

    公开(公告)号:US09100155B2

    公开(公告)日:2015-08-04

    申请号:US13099210

    申请日:2011-05-02

    IPC分类号: H04W4/00 H04L5/00

    CPC分类号: H04L5/0053

    摘要: A method of wireless communication includes determining a number of symbols for uplink control information (UCI) on each of a plurality of layers, multiplexing symbols for the UCI with data on multiple layers such that the symbols are time aligned across the layers, and sending the multiplexed symbols on the multiple layers on uplink. In some designs, the number of symbols for the UCI may be determined based on a spectral resource parameter.

    摘要翻译: 一种无线通信方法包括:在多个层中的每个层上确定用于上行链路控制信息(UCI)的符号数目,将多个符号用于多层的数据复用多个符号,使得符号在层间进行时间对齐,并发送 上行链路上多层的多路复用符号。 在一些设计中,可以基于频谱资源参数来确定UCI的符号数。

    Uplink open-loop spatial multiplexing in wireless communications
    9.
    发明授权
    Uplink open-loop spatial multiplexing in wireless communications 有权
    无线通信中的上行开环空间复用

    公开(公告)号:US08687731B2

    公开(公告)日:2014-04-01

    申请号:US12697619

    申请日:2010-02-01

    IPC分类号: H04L27/00

    摘要: Systems and methodologies are described that facilitate cycling through precoders for transmitting wireless network communications in a time domain. The precoders can be cycled according to a precoder sequence for each data symbol transmission. When the last precoder is selected the cycle can begin again, a new precoder sequence can be received or defined, and/or the like. A precoder sequence related to a subset of precoders present in a wireless device can be defined sequentially, cyclically shifted according to an identifier or one or more communications parameters, randomly, pseudo-randomly according to an identifier or one or more communications parameters, and/or the like. In addition, the precoder sequence can be utilized to select a precoder for one or more retransmissions. Such cycling of precoders can increase transmit diversity.

    摘要翻译: 描述了有助于循环通过用于在时域中发送无线网络通信的预编码器的系统和方法。 预编码器可以根据每个数据符号传输的预编码器序列循环。 当选择最后一个预编码器时,循环可以再次开始,可以接收或定义新的预编码器序列和/或类似物。 可以根据标识符或一个或多个通信参数根据标识符或一个或多个通信参数随机地随机地定义与存在于无线设备中的预编码器子集相关的预编码器序列和/ 或类似物。 此外,预编码器序列可用于为一个或多个重传选择预编码器。 预编码器的这种循环可以增加发射分集。