SYSTEMS AND METHODS FOR TRANSMITTING CHANNEL QUALITY INFORMATION IN WIRELESS COMMUNICATION SYSTEMS
    41.
    发明申请
    SYSTEMS AND METHODS FOR TRANSMITTING CHANNEL QUALITY INFORMATION IN WIRELESS COMMUNICATION SYSTEMS 有权
    在无线通信系统中发送信道质量信息的系统和方法

    公开(公告)号:US20110141987A1

    公开(公告)日:2011-06-16

    申请号:US12945585

    申请日:2010-11-12

    IPC分类号: H04W72/04

    摘要: A base station for use in a wireless network capable of communicating with a plurality of mobile stations. The base station transmits to a first mobile station downlink subframes of OFDM symbols. Each downlink subframe comprises a plurality of resource blocks and is associated with a subframe (SF) type that is determined according to whether or not a PDSCH region of a resource block in a downlink subframe includes at least one of: 1) a cell-specific reference signal (CRS) resource element and 2) a channel-state-information reference signal (CSI-RS) resource element. The base station receives from the first mobile station at least one of COI, PMI, modulation scheme, and transport block size and interprets the received at least one of COI, PMI, modulation scheme, and transport block size according to a default SF type used by the first mobile station to determine the at least one of COI, PMI, modulation scheme, and transport block size.

    摘要翻译: 一种用于能够与多个移动站进行通信的无线网络中的基站。 基站向第一移动台发送OFDM符号的下行链路子帧。 每个下行链路子帧包括多个资源块,并且与根据下行链路子帧中的资源块的PDSCH区是否包括以下中的至少一个确定的子帧(SF)类型相关联:1)小区特定 参考信号(CRS)资源元素和2)信道状态信息参考信号(CSI-RS)资源元素。 基站从第一移动台接收COI,PMI,调制方式和传输块大小中的至少一个,并且根据所使用的默认SF类型解释所接收到的COI,PMI,调制方案和传输块大小中的至少一个 由第一移动站确定COI,PMI,调制方案和传输块大小中的至少一个。

    METHOD AND SYSTEM OF MULTI-LAYER BEAMFORMING
    42.
    发明申请
    METHOD AND SYSTEM OF MULTI-LAYER BEAMFORMING 有权
    多层波束形成方法与系统

    公开(公告)号:US20110085503A1

    公开(公告)日:2011-04-14

    申请号:US12899331

    申请日:2010-10-06

    IPC分类号: H04W72/00

    摘要: A base station includes a reference signal sequence generator configured to generate a reference signal sequence for a reference signal for each of n antenna ports using one initialization seed with n being a positive integer. The initialization seed is defined as: cinit=(└ns/2┘+1)·(2NIDcell+1)·216+NIDgroup, where ns is a first slot number in a subframe, NIDcell is a cell identifier of the base station, and NIDgroup is a group identifier. The base station also includes a transmit path circuitry configured to transmit a downlink grant and the reference signal. In some embodiments, the group identifier NIDgroup is a one-bit group identifier dynamically indicated in a codepoint in the downlink grant transmitted by the base station.

    摘要翻译: 基站包括参考信号序列发生器,其被配置为使用n为正整数的一个初始化种子为n个天线端口中的每一个生成用于参考信号的参考信号序列。 初始化种子定义为:cinit =(└ns/2┘+ 1)·(2NIDcell + 1)·216 + NID组,其中ns是子帧中的第一时隙号,NIDcell是基站的小区标识符, 而NIDgroup是组标识符。 基站还包括被配置为发送下行链路许可和参考信号的发送路径电路。 在一些实施例中,组标识符NID组是在由基站发送的下行链路授权中的代码点中动态地指示的一位组标识符。

    METHOD AND SYSTEM FOR INDICATING METHOD USED TO SCRAMBLE DEDICATED REFERENCE SIGNALS
    45.
    发明申请
    METHOD AND SYSTEM FOR INDICATING METHOD USED TO SCRAMBLE DEDICATED REFERENCE SIGNALS 有权
    用于表示用于可擦除专用参考信号的方法和系统

    公开(公告)号:US20100323709A1

    公开(公告)日:2010-12-23

    申请号:US12797418

    申请日:2010-06-09

    IPC分类号: H04W72/12

    摘要: A base station includes a transmit path circuitry to scramble CRC bits of a DCI format using a C-RNTI for dynamic scheduling, and scramble the CRC bits of the DCI format using an SPS C-RNTI for semi-persistent scheduling. If C-RNTI is used, the circuitry generates a downlink transmission grant using the DCI format being a fallback format to indicate a transmit diversity transmission scheme or a single-layer beamforming scheme, and uses the DCI format being a dual-layer beamforming format to indicate a dual-DRS port transmission scheme or a single-DRS port transmission scheme.If SPS C-RNTI is used, the circuitry generates a downlink transmission grant using the DCI format being the fallback format to indicate a single-DRS port transmission scheme, and uses the DCI format being the dual-layer beamforming format to indicate a dual-DRS port transmission scheme or a single-DRS port transmission scheme.

    摘要翻译: 基站包括使用C-RNTI对动态调度的DCI格式的CRC比特进行加扰的发送路径电路,以及使用用于半持续调度的SPS C-RNTI对DCI格式的CRC比特进行加扰。 如果使用C-RNTI,则电路使用DCI格式生成下行链路传输许可,该格式是回退格式以指示发射分集传输方案或单层波束成形方案,并且使用作为双层波束成形格式的DCI格式 表示双DRS端口传输方案或单DRS端口传输方案。 如果使用SPS C-RNTI,则电路使用DCI格式作为回退格式生成下行链路传输许可,以指示单DRS端口传输方案,并使用作为双层波束形成格式的DCI格式, DRS端口传输方案或单DRS端口传输方案。

    Downlink single-user multi-cell mimo systems for interference mitigation
    46.
    发明申请
    Downlink single-user multi-cell mimo systems for interference mitigation 失效
    下行单用户多小区mimo系统,用于干扰减轻

    公开(公告)号:US20100273492A1

    公开(公告)日:2010-10-28

    申请号:US12387097

    申请日:2009-04-27

    IPC分类号: H04W40/00 H04B7/00

    摘要: A system and method for interference mitigation. The system and method includes a number of base stations configured to coordinate with each other to perform a joint transmission to one or more subscriber stations. The base stations allocate a portion of a frequency band for the joint transmission and jointly schedule the joint transmission. Further, the base stations are configured to select a common codebook or separate codebooks to perform the joint transmission. Thereafter, the joint transmission is performed wherein the one or more subscribers stations substantially simultaneously receive the joint transmission from each of the base stations.

    摘要翻译: 一种用于干扰减轻的系统和方法。 该系统和方法包括被配置为相互协调以执行向一个或多个用户站的联合传输的多个基站。 基站分配用于联合传输的频带的一部分并联合调度联合传输。 此外,基站被配置为选择公共码本或单独的码本来执行联合发送。 此后,执行联合传输,其中一个或多个订户站基本上同时从每个基站接收联合传输。

    METHOD AND SYSTEM FOR MULTI-LAYER BEAMFORMING
    47.
    发明申请
    METHOD AND SYSTEM FOR MULTI-LAYER BEAMFORMING 有权
    多层波束形成方法与系统

    公开(公告)号:US20100272040A1

    公开(公告)日:2010-10-28

    申请号:US12749340

    申请日:2010-03-29

    IPC分类号: H04W72/00 H04B1/69

    摘要: A base station includes a reference signal sequence generator configured to generate a reference signal sequence for each of n antenna ports using one initialization seed, n being a positive integer. The base station also includes n spreaders. Each spreader corresponds to a respective one of the n antenna ports and is configured to receive a respective reference signal sequence for the respective antenna port from the reference signal sequence generator and spread the respective reference signal sequence using a respective Walsh code. The base station further includes n resource element mappers. Each mapper corresponds to a respective one of the n antenna ports and is configured to receive a respective spread reference signal sequence from a respective spreader and map the respective spread reference signal sequence to a set of reference signal resource elements corresponding to a respective antenna port.

    摘要翻译: 基站包括参考信号序列发生器,其被配置为使用一个初始化种子为n个天线端口中的每一个生成参考信号序列,n为正整数。 基站还包括n个吊具。 每个扩展器对应于n个天线端口中的相应一个,并且被配置为从参考信号序列发生器接收相应天线端口的相应参考信号序列,并且使用相应的沃尔什码扩展相应的参考信号序列。 基站还包括n个资源元素映射器。 每个映射器对应于n个天线端口中的相应一个,并且被配置为从相应的扩展器接收相应的扩展参考信号序列,并将相应的扩展参考信号序列映射到与相应的天线端口对应的一组参考信号资源元素。

    APPARATUS AND METHOD FOR INTERFERENCE MINIMIZATION IN BODY AREA NETWORKS USING LOW DUTY CYCLE AND PREAMBLE DESIGN
    48.
    发明申请
    APPARATUS AND METHOD FOR INTERFERENCE MINIMIZATION IN BODY AREA NETWORKS USING LOW DUTY CYCLE AND PREAMBLE DESIGN 失效
    使用低占空比和前置设计的身体区域网络干扰最小化的装置和方法

    公开(公告)号:US20100255780A1

    公开(公告)日:2010-10-07

    申请号:US12689156

    申请日:2010-01-18

    摘要: A device is adapted for use in a body area network capable of low power communications wherein a number of piconets can operate within close proximity. The device is configured to couple to a plurality of secondary devices in a piconet. The device uses an interference mitigation technique to enable the devices in the piconet to use the same frequency and same time as a number of adjacent piconets located in close proximity to the piconet. The interference mitigation technique is at least one of a low duty cycling operation; and a preamble sequence designed to operate under interference

    摘要翻译: 一种设备适用于能够进行低功率通信的身体区域网络,其中多个微微网可在紧邻内操作。 该设备被配置为耦合到微微网中的多个辅助设备。 该设备使用干扰减轻技术来使得微微网中的设备能够使用与位于微微网附近的多个相邻微微网相同的频率和相同的时间。 干扰减轻技术是低功率循环操作中的至少一种; 以及设计为在干扰下操作的前导码序列

    8-Transmit antenna reference signal design for downlink communications in a wireless system
    50.
    发明申请
    8-Transmit antenna reference signal design for downlink communications in a wireless system 有权
    8 - 无线系统中下行链路通信的发射天线参考信号设计

    公开(公告)号:US20100104034A1

    公开(公告)日:2010-04-29

    申请号:US12587164

    申请日:2009-10-02

    IPC分类号: H04L27/28

    摘要: Systems and methods are disclosed for mapping reference signals for antenna ports in a plurality of resource blocks among resource blocks in a subframe within an orthogonal frequency division multiplexing (OFDM) communication system. This method includes selecting at least one predetermined resource elements for transmitting in the plurality of resource blocks using a first number of antenna ports. This method also includes selecting a second number of antenna ports and mapping a plurality of reference signals relating to the second number of antenna ports using a second number of OFDM symbols.

    摘要翻译: 公开了用于映射正交频分复用(OFDM)通信系统内的子帧中的资源块中的多个资源块中的天线端口的参考信号的系统和方法。 该方法包括使用第一数量的天线端口来选择用于在多个资源块中发送的至少一个预定资源元素。 该方法还包括选择第二数量的天线端口,并且使用第二数量的OFDM符号来映射与第二数量的天线端口相关的多个参考信号。