Method and Arrangement for SINR Feedback in MIMO Based Wireless Communication Systems
    11.
    发明申请
    Method and Arrangement for SINR Feedback in MIMO Based Wireless Communication Systems 失效
    基于MIMO的无线通信系统SINR反馈的方法和布置

    公开(公告)号:US20100098030A1

    公开(公告)日:2010-04-22

    申请号:US12445070

    申请日:2006-11-01

    IPC分类号: H04W72/04 H04L27/28

    摘要: The present invention relates to a method and arrangement to enhance the communication performance in wireless communication systems. The method of the invention provides better adjustment of reported SINR in MIMO, and PARC-MIMO based communication systems. According to the method information relating to signal-to-interference-plus-noise ratio is determined by the user equipment and reported to the base station. The base station adjust reported SINRs using a model of the SINR dependences of power and code allocation. The dependences is modeled by a function comprising a first parameter relating only to power allocation and a second parameter relating only to code allocation. The first parameter has a power allocation exponent and the second parameter has a code allocation exponent. Both the power allocation exponent and the code allocation exponent are data stream dependent.

    摘要翻译: 本发明涉及一种用于增强无线通信系统中的通信性能的方法和装置。 本发明的方法提供对MIMO中所报告的SINR的更好的调整以及基于PARC-MIMO的通信系统。 根据该方法,信号与干扰加噪声比的信息由用户设备确定并向基站报告。 基站使用功率和码分配的SINR依赖关系的模型来调整报告的SINR。 依赖关系由包括仅与功率分配相关的第一参数的功能和仅与代码分配相关的第二参数来建模。 第一个参数具有功率分配指数,第二个参数具有代码分配指数。 功率分配指数和代码分配指数都是依赖于数据流。

    METHOD AND ARRANGEMENT FOR PILOT PATTERN BASED CONTROL SIGNALLING IN MIMO SYSTEMS
    12.
    发明申请
    METHOD AND ARRANGEMENT FOR PILOT PATTERN BASED CONTROL SIGNALLING IN MIMO SYSTEMS 有权
    MIMO系统中基于引导模式的控制信号的方法和布置

    公开(公告)号:US20100061472A1

    公开(公告)日:2010-03-11

    申请号:US12514762

    申请日:2006-11-13

    IPC分类号: H04L27/28 H04B7/00

    摘要: The present invention relates to control signaling in wireless communication systems. In particular, the present invention relates to control signaling in MIMO based communication systems. In the method according to the invention control information is transferred from a base station to at least one user equipment, via a plurality of common pilot channels. A set of unique pilot sequences has been pre-defined, and the base station assigns specific pilot sequences from the set of pilot sequences to specific common pilot channels, forming a pilot sequence assignment pattern representing a specific control information. The user equipment, having knowledge of the relations between pilot sequence assignment patterns and control information, interprets the received pilot sequence assignment pattern as specific control information. The method is particularly well suited for broadcast type control information.

    摘要翻译: 本发明涉及无线通信系统中的控制信令。 具体地,本发明涉及基于MIMO的通信系统中的控制信令。 在根据本发明的方法中,控制信息经由多个公共导频信道从基站传送到至少一个用户设备。 已经预先定义了一组唯一的导频序列,并且基站将特定导频序列从该导频序列集合分配给特定的公共导频信道,形成表示特定控制信息的导频序列分配模式。 了解导频序列分配模式和控制信息之间的关系的用户设备将接收到的导频序列分配模式解释为特定的控制信息。 该方法特别适用于广播类型控制信息。

    Finger placement in multi-stage interference cancellation
    13.
    发明授权
    Finger placement in multi-stage interference cancellation 有权
    手指放置在多级干扰消除中

    公开(公告)号:US08787426B2

    公开(公告)日:2014-07-22

    申请号:US13333703

    申请日:2011-12-21

    IPC分类号: H04B1/00

    摘要: In a receive node of a wireless network, an iterative multi-user multi-stage interference cancellation receiver is used. After each stage of interference cancellation, interference characteristics change. An adaptive finger placement strategy is used in which after each stage of interference cancellation, finger delays and combining weights of the receiver are adapted to reflect the changed interference characteristics.

    摘要翻译: 在无线网络的接收节点中,使用迭代多用户多级干扰消除接收机。 在干扰消除的每个阶段之后,干扰特性发生变化。 使用自适应手指放置策略,其中在干扰消除的每个阶段之后,接收机的手指延迟和组合权重适于反映改变的干扰特性。

    Multi-stage turbo equalization and interference cancellation receiver for wireless systems
    14.
    发明授权
    Multi-stage turbo equalization and interference cancellation receiver for wireless systems 有权
    用于无线系统的多级turbo均衡和干扰消除接收机

    公开(公告)号:US08681835B2

    公开(公告)日:2014-03-25

    申请号:US13402297

    申请日:2012-02-22

    IPC分类号: H04B1/00

    摘要: In a receive node of a wireless network, an iterative multi-user multi-stage interference cancellation receiver is used. The receiver performs code-averaged equalization and chip chip-level code-specific interference over-cancellation on the received signals. This can result in a unified interference cancellation processing, and can avoid cumbersome calculations of code cross correlations that is required in symbol-level interference cancellation. A symbol-level code-averaged desired signal add-back is performed to address the over-cancellation of some desired signals.

    摘要翻译: 在无线网络的接收节点中,使用迭代多用户多级干扰消除接收机。 接收机对接收到的信号执行代码平均均衡和芯片级代码特定的干扰过度消除。 这可以导致统一的干扰消除处理,并且可以避免在符号级干扰消除中所需的代码互相关的繁琐计算。 执行符号级代码平均期望信号加法来解决某些期望信号的过度消除。

    MULTI-STAGE TURBO EQUALIZATION AND INTERFERENCE CANCELLATION RECEIVER FOR WIRELESS SYSTEMS
    16.
    发明申请
    MULTI-STAGE TURBO EQUALIZATION AND INTERFERENCE CANCELLATION RECEIVER FOR WIRELESS SYSTEMS 有权
    无线系统的多级涡轮均衡和干扰消除接收器

    公开(公告)号:US20130077720A1

    公开(公告)日:2013-03-28

    申请号:US13402297

    申请日:2012-02-22

    IPC分类号: H04B1/10

    摘要: In a receive node of a wireless network, an iterative multi-user multi-stage interference cancellation receiver is used. The receiver performs code-averaged equalization and chip chip-level code-specific interference over-cancellation on the received signals. This can result in a unified interference cancellation processing, and can avoid cumbersome calculations of code cross correlations that is required in symbol-level interference cancellation. A symbol-level code-averaged desired signal add-back is performed to address the over-cancellation of some desired signals.

    摘要翻译: 在无线网络的接收节点中,使用迭代多用户多级干扰消除接收机。 接收机对接收到的信号执行代码平均均衡和芯片级代码特定的干扰过度消除。 这可以导致统一的干扰消除处理,并且可以避免在符号级干扰消除中所需的代码互相关的繁琐计算。 执行符号级代码平均期望信号加法来解决某些期望信号的过度消除。

    Method and apparatus for uplink power control in a wireless communication network
    17.
    发明授权
    Method and apparatus for uplink power control in a wireless communication network 有权
    用于无线通信网络中的上行链路功率控制的方法和装置

    公开(公告)号:US08401585B2

    公开(公告)日:2013-03-19

    申请号:US12553333

    申请日:2009-09-03

    IPC分类号: H04B7/00

    摘要: A method and apparatus provide advantageous uplink power control for a set of uplink channels transmitted by a mobile terminal or other item of user equipment (UE). The proposed uplink power control maintains the total received power for the set of uplink channels at or about a target received power, while also maintaining the received signal quality for a subset of those channels—e.g., a particular one of them—at or about a target received signal quality. In an advantageous but non-limiting example embodiment, the subset comprises a fixed-rate control channel, and the set includes that control channel and a variable-rate traffic channel. Correspondingly, a base station generates first power control commands to maintain the received signal quality of the control channel at or about some quality target, and generates second power control commands to maintain the total received power (of the two channels) at or about some power target.

    摘要翻译: 一种方法和装置为由移动终端或其他用户设备(UE)发送的一组上行链路信道提供有利的上行链路功率控制。 所提出的上行链路功率控制在目标接收功率处或者关于目标接收功率的情况下保持用于该组上行链路信道的总接收功率,同时还保持这些信道的子集的接收信号质量 - 例如其中的特定的 - 目标接收信号质量。 在有利但非限制性的示例实施例中,该子集包括固定速率控制信道,并且该集合包括该控制信道和可变速率业务信道。 相应地,基站产生第一功率控制命令,以将控制信道的接收信号质量维持在某个质量目标处或附近,并且产生第二功率控制命令以将两个信道的总接收功率维持在或大约一些功率 目标。

    METHOD AND APPARATUS FOR UPLINK POWER CONTROL IN A WIRELESS COMMUNICATION NETWORK
    18.
    发明申请
    METHOD AND APPARATUS FOR UPLINK POWER CONTROL IN A WIRELESS COMMUNICATION NETWORK 有权
    无线通信网络中上行电源控制的方法与装置

    公开(公告)号:US20110053631A1

    公开(公告)日:2011-03-03

    申请号:US12553333

    申请日:2009-09-03

    IPC分类号: H04B7/00 H04M1/00

    摘要: A method and apparatus provide advantageous uplink power control for a set of uplink channels transmitted by a mobile terminal or other item of user equipment (UE). The proposed uplink power control maintains the total received power for the set of uplink channels at or about a target received power, while also maintaining the received signal quality for a subset of those channels—e.g., a particular one of them—at or about a target received signal quality. In an advantageous but non-limiting example embodiment, the subset comprises a fixed-rate control channel, and the set includes that control channel and a variable-rate traffic channel. Correspondingly, a base station generates first power control commands to maintain the received signal quality of the control channel at or about some quality target, and generates second power control commands to maintain the total received power (of the two channels) at or about some power target.

    摘要翻译: 一种方法和装置为由移动终端或其他用户设备(UE)发送的一组上行链路信道提供有利的上行链路功率控制。 所提出的上行链路功率控制在目标接收功率处或者关于目标接收功率的情况下保持用于该组上行链路信道的总接收功率,同时还保持这些信道的子集的接收信号质量 - 例如其中的特定的 - 目标接收信号质量。 在有利但非限制性的示例实施例中,该子集包括固定速率控制信道,并且该集合包括该控制信道和可变速率业务信道。 相应地,基站产生第一功率控制命令,以将控制信道的接收信号质量维持在某个质量目标处或附近,并且产生第二功率控制命令以将两个信道的总接收功率维持在或大约一些功率 目标。

    Method and arrangement for pilot pattern based control signaling in MIMO systems
    19.
    发明授权
    Method and arrangement for pilot pattern based control signaling in MIMO systems 有权
    MIMO系统中基于导频模式的控制信令的方法和装置

    公开(公告)号:US08923423B2

    公开(公告)日:2014-12-30

    申请号:US12514762

    申请日:2006-11-13

    IPC分类号: H04B7/02 H04L1/02

    摘要: The present invention relates to control signaling in wireless communication systems. In particular, the present invention relates to control signaling in MIMO based communication systems. In the method according to the invention control information is transferred from a base station to at least one user equipment, via a plurality of common pilot channels. A set of unique pilot sequences has been pre-defined, and the base station assigns specific pilot sequences from the set of pilot sequences to specific common pilot channels, forming a pilot sequence assignment pattern representing a specific control information. The user equipment, having knowledge of the relations between pilot sequence assignment patterns and control information, interprets the received pilot sequence assignment pattern as specific control information. The method is particularly well suited for broadcast type control information.

    摘要翻译: 本发明涉及无线通信系统中的控制信令。 具体地,本发明涉及基于MIMO的通信系统中的控制信令。 在根据本发明的方法中,控制信息经由多个公共导频信道从基站传送到至少一个用户设备。 已经预先定义了一组唯一的导频序列,并且基站将特定导频序列从该导频序列集合分配给特定的公共导频信道,形成表示特定控制信息的导频序列分配模式。 了解导频序列分配模式和控制信息之间的关系的用户设备将接收到的导频序列分配模式解释为特定的控制信息。 该方法特别适用于广播类型控制信息。

    Chip-level processing for joint demodulation in CDMA receivers
    20.
    发明授权
    Chip-level processing for joint demodulation in CDMA receivers 有权
    用于CDMA接收机联合解调的​​芯片级处理

    公开(公告)号:US08787427B2

    公开(公告)日:2014-07-22

    申请号:US13468680

    申请日:2012-05-10

    IPC分类号: H04B1/00

    摘要: A CDMA multi-code joint demodulation solution in which impairment suppression and channel matching operations are performed prior to despreading. Embodiments include a linear front end that performs chip-level suppression of signal components that are not included in a subsequent joint demodulation process. The pre-processing stage also carries out metric preparation and provides a vector decision statistic that is processed by a joint demodulation stage to extract per-code soft values for the symbols of interest in the received signal. Both code-specific and code-averaged versions of the linear processing are disclosed, as are several front-end configurations with equivalent performance, but different complexity trade-offs. These new approaches use a block formulation, requiring a set of input chip samples as an input, and perform all operations as matrix-vector multiplications, which is an approach amenable to efficient DSP or hardware implementation.

    摘要翻译: 一种CDMA解码解码方案,其中在解扩之前执行损伤抑制和信道匹配操作。 实施例包括执行不包括在随后的联合解调处理中的信号分量的芯片级抑制的线性前端。 预处理阶段还执行度量准备,并提供由联合解调级处理以提取接收信号中感兴趣符号的每码软值的向量决策统计量。 公开了线性处理的代码特定和代码平均版本,以及具有相同性能但是不同复杂性权衡的若干前端配置。 这些新方法使用块公式,需要一组输入芯片样本作为输入,并执行所有操作作为矩阵向量乘法,这是一种适合高效DSP或硬件实现的方法。