Adaptive precoding codebooks for wireless communications
    4.
    发明授权
    Adaptive precoding codebooks for wireless communications 有权
    用于无线通信的自适应预编码码书

    公开(公告)号:US08675627B2

    公开(公告)日:2014-03-18

    申请号:US12621288

    申请日:2009-11-18

    Abstract: Adaptive precoding codebooks are described. In one embodiment, the method of wireless communication includes reading at least a rank-2 baseline codebook having codewords representing precoding matrices. An adaptive codebook is generated by multiplying a first column of the codeword with a first transform matrix calculated from a channel correlation matrix, and multiplying a second column of the codeword with a second transform matrix calculated from the channel correlation matrix. The first and the second transform matrices are orthogonal.

    Abstract translation: 描述了自适应预编码码本。 在一个实施例中,无线通信的方法包括读取至少具有表示预编码矩阵的码字的2级基线码本。 通过将码字的第一列与从信道相关矩阵计算的第一变换矩阵相乘,并将码字的第二列与从信道相关矩阵计算的第二变换矩阵相乘来生成自适应码本。 第一和第二变换矩阵是正交的。

    System and method for channel information feedback in a wireless communications system
    5.
    发明授权
    System and method for channel information feedback in a wireless communications system 有权
    无线通信系统中信道信息反馈的系统和方法

    公开(公告)号:US08649456B2

    公开(公告)日:2014-02-11

    申请号:US12722450

    申请日:2010-03-11

    Abstract: A system and method for channel information feedback in a wireless communications system is provided. A method for communications device operation includes receiving a pilot transmitted by a controller, computing a channel estimate for a channel between the controller and a communications device, the computing based on the pilot, computing a channel correlation matrix for the channel based on the channel estimate, and transmitting a reduced rank representation of the channel correlation matrix to the controller as a first feedback information. The method also includes adapting a first codebook based on the reduced rank representation of the channel correlation matrix, computing a representation of the channel using the adapted codebook, transmitting the representation of the channel as a second feedback information, and receiving a transmission beamformed based on the first feedback information and the second feedback information.

    Abstract translation: 提供了一种用于无线通信系统中的信道信息反馈的系统和方法。 一种用于通信设备操作的方法包括接收由控制器发送的导频,计算控制器和通信设备之间的信道的信道估计,基于导频的计算,基于信道估计计算信道的信道相关矩阵 并且将作为第一反馈信息的信道相关矩阵的缩减秩表示发送到控制器。 该方法还包括基于信道相关矩阵的降级表示来适配第一码本,使用适配码本计算信道的表示,将该信道的表示作为第二反馈信息发送,以及接收基于 第一反馈信息和第二反馈信息。

    Apparatus and an associated method for facilitating communications in a radio communication system that provides for data communications at multiple data rates
    6.
    发明授权
    Apparatus and an associated method for facilitating communications in a radio communication system that provides for data communications at multiple data rates 有权
    用于促进在多个数据速率下提供数据通信的无线电通信系统中的通信的装置和相关方法

    公开(公告)号:US08130695B2

    公开(公告)日:2012-03-06

    申请号:US12646465

    申请日:2009-12-23

    Abstract: Apparatus, and an associated method, for facilitating operation of a radio communication system that provides for multi rate data communications, such as a CDMA 2000 system that provides for 1xEV-DV communication services. A supplemental pilot, or control, signal generator embodied at a mobile station generates a supplemental pilot, or control, signal that is sent on a newly defined supplemental pilot, or control, channel. As the data rates of data communicated upon a reverse supplemental channel changes, corresponding changes are made to the power level of the reverse supplemental pilot, or control, signal.

    Abstract translation: 装置和相关方法,用于促进提供多速率数据通信的无线电通信系统的操作,诸如提供1xEV-DV通信服务的CDMA 2000系统。 实施在移动站的补充导频或控制信号发生器产生在新定义的补充导频或控制信道上发送的补充导频或控制信号。 随着在反向补充信道上传送的数据的数据速率发生变化,对反向辅助导频或控制信号的功率电平进行相应的改变。

    System and Method for Employing Six-Bit Rank 1 and 2 Codebooks for Four Transmit Antennas
    7.
    发明申请
    System and Method for Employing Six-Bit Rank 1 and 2 Codebooks for Four Transmit Antennas 有权
    用于四个发射天线的六位等级1和2码本的系统和方法

    公开(公告)号:US20120039416A1

    公开(公告)日:2012-02-16

    申请号:US13277765

    申请日:2011-10-20

    Abstract: A system and method is provided for employing six-bit rank 1 and 2 codebooks for multiple transmit antennas. A channel estimate is generated for a communications channel that can be established between a communications device and a controller serving the communications device. The channel estimate can be quantized using a codebook to produce a selected codeword. An index corresponding to the selected codeword can be transmitted to the controller. The codebook can include a plurality of first level codewords, with each first level codeword having a plurality of subsidiary codewords. The quantizing can be in the form of a search of the first level codewords followed by a search of a subset of a plurality of subsidiary codewords, and the codebook can be derived at least in part from a rank of communications between the communications device and the controller.

    Abstract translation: 提供了一种用于对多个发射天线采用六位等级1和2码本的系统和方法。 为可以在通信设备和服务于通信设备的控制器之间建立的通信信道生成信道估计。 可以使用码本来量化信道估计以产生所选择的码字。 对应于所选择的码字的索引可以被发送到控制器。 码本可以包括多个第一级码字,每个第一级码字具有多个辅助码字。 量化可以是对第一级码字的搜索的形式,随后是多个辅助码字的子集的搜索,并且码本可以至少部分地从通信设备和通信设备之间的通信级别导出 控制器。

    Method and apparatus to facilitate real-time packet scheduling in a wireless communications system
    8.
    发明授权
    Method and apparatus to facilitate real-time packet scheduling in a wireless communications system 有权
    用于促进无线通信系统中的实时分组调度的方法和装置

    公开(公告)号:US07965726B2

    公开(公告)日:2011-06-21

    申请号:US11401246

    申请日:2006-04-11

    Abstract: A method, apparatus and system for scheduling data packets in a wireless communications system. The invention includes determining a priority for at least one data packet, wherein determining the priority of the data packet is based at least on a plurality of quality of service factors, wherein each of the plurality of QoS factors has a corresponding weighting factor and the determined priority includes minimum-performance guarantees. The invention further includes scheduling transmission of the at least one data packet based at least on the determined priority.

    Abstract translation: 一种用于在无线通信系统中调度数据分组的方法,装置和系统。 本发明包括确定至少一个数据分组的优先级,其中确定数据分组的优先级至少基于多个服务质量因素,其中多个QoS因子中的每一个具有对应的加权因子,并且确定 优先级包括最低性能保证。 本发明还包括至少基于所确定的优先级来调度所述至少一个数据分组的传输。

    System and Method for Channel Information Feedback in a Wireless Communications System
    9.
    发明申请
    System and Method for Channel Information Feedback in a Wireless Communications System 有权
    无线通信系统中信道反馈的系统和方法

    公开(公告)号:US20100232525A1

    公开(公告)日:2010-09-16

    申请号:US12722450

    申请日:2010-03-11

    Abstract: A system and method for channel information feedback in a wireless communications system is provided. A method for communications device operation includes receiving a pilot transmitted by a controller, computing a channel estimate for a channel between the controller and a communications device, the computing based on the pilot, computing a channel correlation matrix for the channel based on the channel estimate, and transmitting a reduced rank representation of the channel correlation matrix to the controller as a first feedback information. The method also includes adapting a first codebook based on the reduced rank representation of the channel correlation matrix, computing a representation of the channel using the adapted codebook, transmitting the representation of the channel as a second feedback information, and receiving a transmission beamformed based on the first feedback information and the second feedback information

    Abstract translation: 提供了一种用于无线通信系统中的信道信息反馈的系统和方法。 一种用于通信设备操作的方法包括接收由控制器发送的导频,计算控制器和通信设备之间的信道的信道估计,基于导频的计算,基于信道估计计算信道的信道相关矩阵 并且将作为第一反馈信息的信道相关矩阵的缩减秩表示发送到控制器。 该方法还包括基于信道相关矩阵的降级表示来适配第一码本,使用适配码本计算信道的表示,将该信道的表示作为第二反馈信息发送,以及接收基于 第一反馈信息和第二反馈信息

    Method and apparatus for providing addressing in a multi-carrier communication system
    10.
    发明申请
    Method and apparatus for providing addressing in a multi-carrier communication system 有权
    用于在多载波通信系统中提供寻址的方法和装置

    公开(公告)号:US20070064692A1

    公开(公告)日:2007-03-22

    申请号:US11507933

    申请日:2006-08-22

    Abstract: An approach is provided for addressing in a multiple carrier communication system. In one embodiment, a group index is assigned to a group of terminals of a communication network. The group index permits sharing of addressing indices supported by the communication network for transmission of data to the group of terminals. In another embodiment, a plurality of terminals is classified using preamble indices corresponding to the terminals into one or more classes. A multi-user packet, which utilizes the preamble indices to activate only a class of the terminals for processing the multi-user packet, is generated.

    Abstract translation: 提供了一种用于在多载波通信系统中寻址的方法。 在一个实施例中,将组索引分配给通信网络的一组终端。 组索引允许通信网络支持的寻址指标的共享,用于将数据传输到终端组。 在另一个实施例中,使用对应于终端的前导码索引将多个终端分类为一个或多个类别。 生成利用前导码索引仅激活一类用于处理多用户分组的终端的多用户分组。

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