Method and apparatus for modulation and layer mapping in a wireless communication system
    81.
    发明授权
    Method and apparatus for modulation and layer mapping in a wireless communication system 有权
    用于无线通信系统中的调制和层映射的方法和装置

    公开(公告)号:US08644409B2

    公开(公告)日:2014-02-04

    申请号:US12702158

    申请日:2010-02-08

    IPC分类号: H04B7/02

    摘要: Systems and methodologies are described herein that facilitate improved modulation and coding techniques for a multiple-in multiple-out (MIMO) communication system. As described herein, data to be transmitted over a set of physical layers (e.g., corresponding to antennas, beams, etc.) can be processed such that encoding is performed on a per-codeword basis and modulation is performed on a per-layer basis, thereby mitigating performance degradation experienced by traditional systems due to layer imbalance. As further described herein, per-codeword code rate parameters and per-layer modulation parameters can be signaled to a device in various manners, such as through modulation and coding scheme (MCS) signaling, explicit code rate and/or modulation scheme signaling, relative code rate and/or modulation scheme signaling, or the like.

    摘要翻译: 本文描述了促进针对多输入多输出(MIMO)通信系统的改进的调制和编码技术的系统和方法。 如本文所描述的,可以处理要在一组物理层(例如,对应于天线,波束等)上传输的数据,使得在每个码字的基础上执行编码,并且基于每层进行调制 ,从而减轻传统系统由于层不平衡而导致的性能下降。 如本文进一步描述的,每码字码速率参数和每层调制参数可以以各种方式向设备发信号,例如通过调制和编码方案(MCS)信令,显式码率和/或调制方式信令,相对 码率和/或调制方案信令等。

    CUBIC-METRIC BASED FREQUENCY SELECTIVE PRECODING FOR UPLINK IN MIMO COMMUNICATION SYSTEM
    82.
    发明申请
    CUBIC-METRIC BASED FREQUENCY SELECTIVE PRECODING FOR UPLINK IN MIMO COMMUNICATION SYSTEM 有权
    基于CUBIC-METRIC的频域选择性预测在MIMO通信系统中的上行链路

    公开(公告)号:US20120114065A1

    公开(公告)日:2012-05-10

    申请号:US13105654

    申请日:2011-05-11

    IPC分类号: H04B1/02

    摘要: A method of wireless communication is disclosed which includes acquiring a first set of precoding matrices for a set of frequency bands and generating a second set of precoding matrices for the set of frequency bands based on the first set of precoding matrices. The second set of precoding matrices enables a transmission that satisfies a cubic metric criteria in multiple-in multiple-out communication mode in the uplink. In some designs, generating the second set of precoding matrices can be based on restricting the first set of precoding matrices for a set of frequency bands and transmission rank, rotating the first set of precoding matrices based for a predetermined transmission rank, or a combination thereof.

    摘要翻译: 公开了一种无线通信的方法,其包括获取用于一组频带的第一组预编码矩阵,并且基于第一组预编码矩阵生成用于该频带组的第二组预编码矩阵。 第二组预编码矩阵使得能够在上行链路中以多输入多输出通信模式满足三次度量标准的传输。 在一些设计中,生成第二组预编码矩阵可以基于限制用于一组频带和传输秩的第一组预编码矩阵,以基于预定传输秩旋转第一组预编码矩阵,或其组合 。

    TRANSMIT DIVERSITY SCHEME FOR UPLINK DATA TRANSMISSIONS
    83.
    发明申请
    TRANSMIT DIVERSITY SCHEME FOR UPLINK DATA TRANSMISSIONS 有权
    用于上传数据传输的传输多样性方案

    公开(公告)号:US20100091641A1

    公开(公告)日:2010-04-15

    申请号:US12564809

    申请日:2009-09-22

    IPC分类号: H04B7/208 H04J11/00 H04L27/00

    CPC分类号: H04B7/068 H04B7/0669

    摘要: Systems and methods are described herein for transmitting uplink SC-FDMA symbols. When an extended cyclic prefix is used, the symbols are divided into pairs, and the first symbol and a function of the second symbol in each pair is transmitted via a first antenna and the second symbol and a function of the first symbol in each pair is transmitted via a second symbol. When an unpaired symbol remains, the unpaired symbol is divided into halves, and a first function of the halves is transmitted on the first antenna and a second function of the halves is transmitted on the second antenna.

    摘要翻译: 这里描述了用于发送上行链路SC-FDMA符号的系统和方法。 当使用扩展循环前缀时,符号被分成对,并且每对中的第一符号和第二符号的函数经由第一天线发送,并且第二符号和每对中的第一符号的函数是 经由第二符号传送。 当未配对的符号保持时,不配对的符号被分成两半,并且半部分的第一功能在第一天线上传输,并且半部分的第二功能在第二天线上传输。

    Interference randomization for uplink signaling
    84.
    发明授权
    Interference randomization for uplink signaling 有权
    上行信令的干扰随机化

    公开(公告)号:US09106389B2

    公开(公告)日:2015-08-11

    申请号:US13332701

    申请日:2011-12-21

    IPC分类号: H04L5/00 H04L1/16

    CPC分类号: H04L5/0062 H04L1/1692

    摘要: A method for transmitting an acknowledgement/negative acknowledgement is described. Cell-specific symbol-level cyclic shift hopping is applied to data single-carrier frequency division multiplexing symbols of the acknowledgement/negative acknowledgement. A discrete Fourier transform is applied to the data single-carrier frequency division multiplexing symbols. Cell-specific symbol-level phase hopping is applied to the data single-carrier frequency division multiplexing symbols. The data single-carrier frequency division multiplexing symbols are transmitted in a slot.

    摘要翻译: 描述用于发送确认/否定确认的方法。 小区特定符号级循环移位跳频被应用于确认/否定确认的数据单载波频分复用符号。 离散傅里叶变换被应用于数据单载波频分复用符号。 小区特定符号级相位跳变被应用于数据单载波频分复用符号。 数据单载波频分复用符号在时隙中发送。

    INTERFERENCE RANDOMIZATION FOR UPLINK SIGNALING
    86.
    发明申请
    INTERFERENCE RANDOMIZATION FOR UPLINK SIGNALING 有权
    用于上传信号的干扰随机

    公开(公告)号:US20120163159A1

    公开(公告)日:2012-06-28

    申请号:US13332701

    申请日:2011-12-21

    IPC分类号: H04J1/02

    CPC分类号: H04L5/0062 H04L1/1692

    摘要: A method for transmitting an acknowledgement/negative acknowledgement is described. Cell-specific symbol-level cyclic shift hopping is applied to data single-carrier frequency division multiplexing symbols of the acknowledgement/negative acknowledgement. A discrete Fourier transform is applied to the data single-carrier frequency division multiplexing symbols. Cell-specific symbol-level phase hopping is applied to the data single-carrier frequency division multiplexing symbols. The data single-carrier frequency division multiplexing symbols are transmitted in a slot.

    摘要翻译: 描述用于发送确认/否定确认的方法。 小区特定符号级循环移位跳频被应用于确认/否定确认的数据单载波频分复用符号。 离散傅里叶变换被应用于数据单载波频分复用符号。 小区特定符号级相位跳变被应用于数据单载波频分复用符号。 数据单载波频分复用符号在时隙中发送。

    Antenna virtualization in a wireless communication environment
    88.
    发明授权
    Antenna virtualization in a wireless communication environment 有权
    无线通信环境中的天线虚拟化

    公开(公告)号:US08503572B2

    公开(公告)日:2013-08-06

    申请号:US12697689

    申请日:2010-02-01

    IPC分类号: H04L27/00

    摘要: Systems and methodologies are described that facilitate performing antenna virtualization in a wireless communication environment. A set of physical transmit antennas can be partitioned into a plurality of groups of physical transmit antennas. Further, a precoding vector for a particular group of physical transmit antennas from the plurality of groups of physical transmit antennas can be formulated. Moreover, the particular group of physical transmit antennas can form a particular virtual antenna. By way of another example, a disparate precoding vector for a disparate group of physical transmit antennas from the plurality of groups of physical transmit antennas can be formulated, and the disparate group of physical transmit antennas can form a disparate virtual antenna. The precoding vector can be applied to a signal for transmission over the particular virtual antenna, and the disparate precoding vector can be applied to a disparate signal for transmission over the disparate virtual antenna.

    摘要翻译: 描述了有助于在无线通信环境中执行天线虚拟化的系统和方法。 一组物理发射天线可被划分成多组物理发射天线。 此外,可以制定用于来自多组物理发射天线的特定物理发射天线组的预编码矢量。 此外,物理发射天线的特定组可以形成特定的虚拟天线。 作为另一示例,可以制定用于来自多组物理发射天线的不同组的物理发射天线的不同的预编码矢量,并且不同的物理发射天线组可以形成不同的虚拟天线。 预编码向量可以应用于用于在特定虚拟天线上传输的信号,并且不同的预编码矢量可以应用于不同的信号以在不同的虚拟天线上传输。

    METHOD AND APPARATUS FOR ENHANCED USER EQUIPMENT-CONTROLLED HANDOVER
    90.
    发明申请
    METHOD AND APPARATUS FOR ENHANCED USER EQUIPMENT-CONTROLLED HANDOVER 有权
    加强用户设备控制切换的方法和装置

    公开(公告)号:US20100034173A1

    公开(公告)日:2010-02-11

    申请号:US12536956

    申请日:2009-08-06

    IPC分类号: H04W4/00

    CPC分类号: H04W36/30 H04W36/08 H04W36/36

    摘要: Certain aspects of the present disclosure propose methods for enhanced handover procedures that are controlled by either the user equipment (UE) or the serving evolved node-B (eNB). The methods take into account the qualities of both the reverse and forward communication links between the UE and the neighboring eNBs in selecting a target eNB for handover.

    摘要翻译: 本公开的某些方面提出了由用户设备(UE)或服务演进节点B(eNB)控制的用于增强的切换过程的方法。 在选择目标eNB进行切换时,该方法考虑了UE与相邻eNB之间的反向和远程通信链路的质量。