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    Method and apparatus for performing neighbor discovery
    1.
    发明授权
    Method and apparatus for performing neighbor discovery 有权
    用于执行邻居发现的方法和装置

    公开(公告)号：US09510177B2

    公开(公告)日：2016-11-29

    申请号：US14125302

    申请日：2012-06-08

    申请人： Tao Deng ,  Ravikumar V Pragada ,  Gregory S Sternberg ,  Balaji Raghothaman ,  Zhuorong Deng ,  Kiran K Vanganuru

    发明人： Tao Deng ,  Ravikumar V Pragada ,  Gregory S Sternberg ,  Balaji Raghothaman ,  Zhuorong Deng ,  Kiran K Vanganuru

    IPC分类号： H04W4/00 ,  H04W8/00 ,  H04W24/04 ,  H04W24/08 ,  H04W48/08 ,  H04W48/14 ,  H04W76/02 ,  H04W88/06

    CPC分类号： H04W8/005 ,  H04W24/04 ,  H04W24/08 ,  H04W24/10 ,  H04W48/08 ,  H04W48/14 ,  H04W76/18 ,  H04W88/06

    摘要： A method and apparatus for neighbor discovery in a wireless communication system are disclosed. A neighbor seeking wireless transmit/receive unit (WTRU) may send a first beacon based on configuration information provided by the network. The neighbor WTRUs receive the first beacon and may send either a report to the network or send a second beacon to the neighbor seeking WTRU. The network may then provide neighbor WTRU information to the neighbor seeking WTRU. The neighbor discovery may be performed within a pre-defined group of WTRUs that is formed based on proximity to the WTRU and/or an attribute of the WTRU. The neighbor discovery procedure may be performed to find neighbor WTRUs in case where a WTRU fails to find any network. A neighbor list may be generated by the neighbor seeking WTRU by measuring reference signals transmitted by neighbor WTRUs on an uplink to the network.

    摘要翻译： 公开了一种用于无线通信系统中的邻居发现的方法和装置。 寻找无线发射/接收单元（WTRU）的邻居可以基于由网络提供的配置信息发送第一信标。 相邻WTRU接收第一信标，并且可以向网络发送报告或者向邻居寻找WTRU发送第二信标。 网络然后可以向邻居寻找WTRU提供相邻WTRU信息。 可以在基于与WTRU的接近度和/或WTRU的属性形成的WTRU的预定义组内执行邻居发现。 在WTRU无法找到任何网络的情况下，可以执行邻居发现过程以找到相邻WTRU。 可以通过在上行链路上测量由相邻WTRU发送的参考信号，由邻居寻找WTRU生成邻居列表。

    METHOD AND APPARATUS FOR PERFORMING NEIGHBOR DISCOVERY
    2.
    发明申请
    METHOD AND APPARATUS FOR PERFORMING NEIGHBOR DISCOVERY 有权
    用于执行邻域发现的方法和装置

    公开(公告)号：US20150063095A1

    公开(公告)日：2015-03-05

    申请号：US14125302

    申请日：2012-06-08

    申请人： Tao Deng ,  Ravikumar V. Pragada ,  Gregory S. Sternberg ,  Balaji Raghothaman ,  Zhuorong Deng ,  Kiran K. Vanganuru

    发明人： Tao Deng ,  Ravikumar V. Pragada ,  Gregory S. Sternberg ,  Balaji Raghothaman ,  Zhuorong Deng ,  Kiran K. Vanganuru

    IPC分类号： H04W8/00 ,  H04W24/04 ,  H04W48/14 ,  H04W76/02 ,  H04W24/08 ,  H04W48/08

    CPC分类号： H04W8/005 ,  H04W24/04 ,  H04W24/08 ,  H04W24/10 ,  H04W48/08 ,  H04W48/14 ,  H04W76/18 ,  H04W88/06

    摘要： A method and apparatus for neighbor discovery in a wireless communication system are disclosed. A neighbor seeking wireless transmit/receive unit (WTRU) may send a first beacon based on configuration information provided by the network. The neighbor WTRUs receive the first beacon and may send either a report to the network or send a second beacon to the neighbor seeking WTRU. The network may then provide neighbor WTRU information to the neighbor seeking WTRU. The neighbor discovery may be performed within a pre-defined group of WTRUs that is formed based on proximity to the WTRU and/or an attribute of the WTRU. The neighbor discovery procedure may be performed to find neighbor WTRUs in case where a WTRU fails to find any network. A neighbor list may be generated by the neighbor seeking WTRU by measuring reference signals transmitted by neighbor WTRUs on an uplink to the network.

    摘要翻译： 公开了一种用于无线通信系统中的邻居发现的方法和装置。 寻找无线发射/接收单元（WTRU）的邻居可以基于由网络提供的配置信息发送第一信标。 相邻WTRU接收第一信标，并且可以向网络发送报告或者向邻居寻找WTRU发送第二信标。 网络然后可以向邻居寻找WTRU提供相邻WTRU信息。 可以在基于与WTRU的接近度和/或WTRU的属性形成的WTRU的预定义组内执行邻居发现。 在WTRU无法找到任何网络的情况下，可以执行邻居发现过程以找到相邻WTRU。 可以通过在上行链路上测量由相邻WTRU发送的参考信号，由邻居寻找WTRU生成邻居列表。

    Mitigating interference using cooperative scheduling
    5.
    发明授权
    Mitigating interference using cooperative scheduling 有权
    使用协同调度减轻干扰

    公开(公告)号：US08718697B2

    公开(公告)日：2014-05-06

    申请号：US12575113

    申请日：2009-10-07

    申请人： Anand Srinivas ,  Pierre A. Humblet ,  Balaji Raghothaman

    发明人： Anand Srinivas ,  Pierre A. Humblet ,  Balaji Raghothaman

    IPC分类号： H04B7/00

    CPC分类号： H04W52/287 ,  H04B1/7103 ,  H04B2201/70702 ,  H04B2201/709709 ,  H04W52/143 ,  H04W52/46

    摘要： Among other things, a method performed by a first access point is described. The method includes outputting signals. At least some of the signals interfere with communication between a device and a second access point. The method also includes determining whether to output the signals in a predefined mode based on dynamically calculated values of a parameter. The parameter is related to signal interference at the device. If it is determined to output the signals in the predefined mode, for a time period, the first access point outputs signals in the predefined mode.

    摘要翻译： 其中，描述了由第一接入点执行的方法。 该方法包括输出信号。 至少一些信号干扰设备和第二接入点之间的通信。 该方法还包括基于动态计算的参数值来确定是否以预定模式输出信号。 该参数与设备的信号干扰有关。 如果确定在预定模式下输出信号一段时间，则第一接入点以预定模式输出信号。

    Method and apparatus to balance maximum information rate with quality of service in a MIMO system
    8.
    发明授权
    Method and apparatus to balance maximum information rate with quality of service in a MIMO system 失效
    在MIMO系统中平衡最大信息速率与服务质量的方法和装置

    公开(公告)号：US07599443B2

    公开(公告)日：2009-10-06

    申请号：US10940060

    申请日：2004-09-13

    申请人： Dumitru M. Ionescu ,  Balaji Raghothaman

    发明人： Dumitru M. Ionescu ,  Balaji Raghothaman

    IPC分类号： H04B7/02

    CPC分类号： H04L1/006 ,  H04B7/0443 ,  H04L1/0003 ,  H04L1/0009 ,  H04L1/0026 ,  H04L1/0066 ,  H04L1/0068 ,  H04L1/0071 ,  H04L1/06 ,  H04L1/0687

    摘要： In a wireless MIMO communication system, for N symbols of a frame of information, allocating N1 symbols to a stronger eigen sub-channel and N2 symbols to a weaker eigen sub-channel, where N1>N2; determining a probability of reception error when transmitting the N2 symbols through the weaker eigen sub-channel for an auxiliary signal-to-noise ratio; solving for a quality of service QoS of the weaker eigen sub-channel and if the QoS is less than a desired QoS, decreasing the value of N and repeating allocating symbols, determining the probability of reception error and solving for the QoS. Another aspect includes asymmetrically allocating spreading codes to a stronger eigen sub-channel and to a weaker eigen sub-channel such that the stronger eigen sub-channel is allocated more spreading codes than the weaker eigen sub-channel; and transmitting all systematic bits of turbo coded information over the stronger eigen sub-channel.

    摘要翻译： 在无线MIMO通信系统中，对于信息帧的N个符号，将N1个符号分配给更强的本征子信道，将N 2个符号分配给较弱的本征子信道，其中N1> N2; 当辅助信噪比通过较弱的本征子信道发送N 2个符号时，确定接收错误的概率; 解决较弱本征子信道的服务质量QoS，如果QoS小于期望的QoS，则减小N的值并重复分配符号，确定接收错误的概率并解决QoS。 另一方面包括将扩展码不对称地分配给更强的本征子信道和较弱的本征子信道，使得更强的本征子信道被分配比较弱的本征子信道更多的扩展码; 并通过更强的本征子信道发送turbo编码信息的所有系统比特。

    Apparatus, and associated method, for selecting antenna pattern configuration to be exhibited by an antenna assembly of a communication station
    9.
    发明授权
    Apparatus, and associated method, for selecting antenna pattern configuration to be exhibited by an antenna assembly of a communication station 失效
    用于选择由通信站的天线组件展现的天线方向图配置的设备和相关方法

    公开(公告)号：US06934563B2

    公开(公告)日：2005-08-23

    申请号：US10080954

    申请日：2002-02-22

    申请人： Balaji Raghothaman ,  Shu-Shaw Wang

    发明人： Balaji Raghothaman ,  Shu-Shaw Wang

    IPC分类号： H01Q3/26 ,  H04B1/38 ,  H04M1/00

    CPC分类号： H01Q3/2605

    摘要： Apparatus, and an associated method, for facilitating selection of antenna pattern characteristics to be exhibited by an antenna assembly of a communication station, such as a base transceiver station operable in a cellular communication system. Indications of channel conditions on an uplink channel are utilized in the determination of antenna weighting values by which to weight antenna weighting elements of the antenna assembly. In one implementation, an uplink channel correlation matrix is reformulated into vector form to reduce the computational complexity of calculations required to select the antenna weighting values. In another implementation, a discrete Fourier transform operation is performed using fast Fourier transform techniques to select the antenna weighting values.

    摘要翻译： 装置和相关联的方法，用于促进由通信站的天线组件（诸如在蜂窝通信系统中可操作的基站收发台）所呈现的天线方向图特征的选择。 在确定天线加权值时，利用上行链路信道上的信道条件的指示来加权天线组合件的天线加权元件。 在一个实现中，将上行链路信道相关矩阵重新形成向量形式，以减少选择天线加权值所需的计算的计算复杂度。 在另一实现中，使用快速傅里叶变换技术来执行离散傅里叶变换操作以选择天线加权值。

    Flexible rate split method for MIMO transmission
    10.
    发明申请
    Flexible rate split method for MIMO transmission 失效
    用于MIMO传输的灵活速率分割方法

    公开(公告)号：US20050111376A1

    公开(公告)日：2005-05-26

    申请号：US10718837

    申请日：2003-11-21

    申请人： Balaji Raghothaman ,  Jianzhong Zhang

    发明人： Balaji Raghothaman ,  Jianzhong Zhang

    IPC分类号： H04B7/00 ,  H04B7/04 ,  H04B7/06 ,  H04L20060101

    CPC分类号： H04B7/0417 ,  H04B7/0443 ,  H04B7/0465 ,  H04B7/0632 ,  H04B7/0669 ,  H04B7/0697 ,  H04L1/0002 ,  H04L1/0007 ,  H04L1/0033 ,  H04L1/0041 ,  H04L1/0065 ,  H04L1/0071 ,  H04L1/06 ,  H04L1/0656

    摘要： A method for transmitting a packet of N input bits includes encoding all of the N bits as a single entity, such as with an interleaver of length N within a turbo coder, outputting M encoded bits, channel interleaving the M bits, splitting the M encoded bits into a parallel first and second portion, and transmitting them over separate channels to achieve spatial diversity. The size of the first and second portion is determined based on a closed feedback loop that provides some knowledge of the channel, preferably a measure of channel capacity. The feedback loop may also provide channel knowledge to a subpacket selector associated with each transmit antenna, which determines an appropriate rate for that channel and selects subpackets to fill a transmission packet for that channel. The subpacket selectors choose a subpacket of systematic bits and fill the remaining transmission packet size with subpackets of parity bits. Eigenvectors may be employed to transmit each transmission packet over more than one channel with a power disparity between the channels. A transmitter according to the present invention is also described.

    摘要翻译： 用于发送N个输入比特的分组的方法包括将所有N比特全部编码为单个实体，例如在Turbo编码器内具有长度为N的交织器，输出M个编码比特，对M个比特进行信道交织， 位到并行的第一和第二部分，并且通过单独的信道发送它们以实现空间分集。 第一和第二部分的大小基于提供信道的一些知识的闭合反馈回路来确定，优选地是信道容量的度量。 反馈回路还可以向与每个发射天线相关联的子分组选择器提供信道知识，其确定该信道的适当速率并选择子分组以填充该信道的传输分组。 子分组选择器选择系统比特的子分组，并用奇偶校验位的子分组填充剩余的传输分组大小。 可以采用特征向量在多个信道上以每个信道之间的功率差异来传输每个传输分组。 还描述了根据本发明的发射机。