METHOD AND APPARATUS FOR MULTIPLE-INPUT MULTIPLE-OUTPUT OPERATION

    公开(公告)号:US20190341977A1

    公开(公告)日:2019-11-07

    申请号:US16513184

    申请日:2019-07-16

    IPC分类号: H04B7/0452 H04W72/04

    摘要: An eNode-B for a multi-user multiple-input multiple-output (MU-MIMO) downlink transmission to at least first and second wireless transmit/receive units (WTRUs) via resource elements (REs) of first and second spatial layers, the eNode-B comprising a transmitter and a processor, the processor coupled to the transmitter. The processor configured to generate the MU-MIMO downlink transmission including: allocating a first set of the REs, as first resources, to the first spatial layer for the first WTRU, and a second set of the REs, as second resources, to the second spatial layer for the second WTRU, mapping a first WTRU-specific reference signal (RS) associated with the first WTRU on a subset of the first resources, and a second WTRU-specific RS associated with the second WTRU on a subset of the second resources, muting allocated REs of the first resources overlapping with the subset of the second resources used for the second WTRU-specific RS, and allocated REs of the second resources overlapping with the subset of the first resources used for the first WTRU-specific RS. The transmitter configured to send the MU-MIMO downlink transmission.

    Wireless communication using multi-dimensional antenna configuration

    公开(公告)号:US09918240B2

    公开(公告)日:2018-03-13

    申请号:US14039669

    申请日:2013-09-27

    IPC分类号: H04W24/08 H04B7/04 H04B7/06

    摘要: Communications may be performed in a communications system using multi-dimensional antenna configurations. A WTRU may receive communications from a base station via one or more channels. The communications may be performed using multiple component codebooks. The WTRU may send channel state information (CSI) feedback for each component codebook to the base station for consideration when performing communications with the WTRU. The WTRU may determine the CSI feedback for each component codebook based on channel measurements. The component codebooks may include a horizontal component codebook and/or a vertical component codebook. The WTRU may send the CSI feedback for each component codebook to the base station independently or in the form of a composite codebook. The WTRU may determine a composite codebook a function of the component codebooks.

    Interference Measurement in Wireless Networks
    69.
    发明申请
    Interference Measurement in Wireless Networks 审中-公开
    无线网络中的干扰测量

    公开(公告)号:US20170012691A1

    公开(公告)日:2017-01-12

    申请号:US15275852

    申请日:2016-09-26

    摘要: Embodiments contemplate methods, systems, and apparatuses for interference measurement in a wireless communication network, including wireless communication networks the employ MIMO in uplink and/or downlink communication. Embodiments contemplate identifying one or more interference measurement resource elements that may be received from one or more transmission points. Embodiments also contemplate performing interference measurement estimation based at least in part on the identified one or more interference measurement resource elements. Channel state information (CSI) perhaps in the form of reports may be generated based at least in part on the one or more interference measurement estimation. Embodiments also contemplate that the CSI report may be transmitted to one or more nodes. In some embodiments, the one or more interference measurement resource elements may be received as part of a set of resource elements.

    摘要翻译: 实施例考虑了在无线通信网络中用于干扰测量的方法,系统和装置,包括在上行链路和/或下行链路通信中采用MIMO的无线通信网络。 实施例考虑识别可以从一个或多个传输点接收的一个或多个干扰测量资源元素。 实施例还考虑至少部分地基于所识别的一个或多个干扰测量资源元素执行干扰测量估计。 可以至少部分地基于一个或多个干扰测量估计来生成可能以报告的形式的信道状态信息(CSI)。 实施例还预期可将CSI报告发送到一个或多个节点。 在一些实施例中,可以将一个或多个干扰测量资源元素作为一组资源元素的一部分来接收。