Feedback reporting based on channel state information reference signal (CSI-RS) groups
    32.
    发明授权
    Feedback reporting based on channel state information reference signal (CSI-RS) groups 有权
    基于信道状态信息参考信号(CSI-RS)组的反馈报告

    公开(公告)号:US09559820B2

    公开(公告)日:2017-01-31

    申请号:US13359154

    申请日:2012-01-26

    IPC分类号: H04L12/22 H04L5/00

    CPC分类号: H04L5/0048

    摘要: In macro/RRH setups, channel state information reference signals (CSI-RS) and demodulation reference signals (DM-RS) may be used to decouple control and data transmission. Data transmission (e.g. for LTE Rel 10 and beyond) may be based on CSI-RS and DM-RS, while control may be received from a different set of cells or TxPs via CRS. Certain aspects of the present disclosure introduce a reporting framework, in which configuration of data-serving cells/TxPs may be carried out based on CSI-RS. In certain aspects, a new concept of CSI-RS groups, i.e., a set of CSI-RS ports that a UE considers as one group for precoding matrix indicator (PMI)/channel quality indicator (CQI)/rank indicator (RI) reporting, may be defined.

    摘要翻译: 在宏/ RRH设置中,可以使用信道状态信息参考信号(CSI-RS)和解调参考信号(DM-RS)来去耦合控制和数据传输。 数据传输(例如,对于LTE Rel 10及其以外)可以基于CSI-RS和DM-RS,而可以经由CRS从不同的小区集合或TxP接收控制。 本公开的某些方面引入了报告框架,其中可以基于CSI-RS来执行数据服务小区/ TxP的配置。 在某些方面,CSI-RS组的新概念,即UE认为一组用于预编码矩阵指示符(PMI)/信道质量指示符(CQI)/秩指示符(RI)报告)的一组CSI-RS端口 ,可以被定义。

    FEEDBACK REPORTING BASED ON CHANNEL STATE INFORMATION REFERENCE SIGNAL (CSI-RS) GROUPS
    33.
    发明申请
    FEEDBACK REPORTING BASED ON CHANNEL STATE INFORMATION REFERENCE SIGNAL (CSI-RS) GROUPS 有权
    基于信道状态信息参考信号(CSI-RS)组的反馈报告

    公开(公告)号:US20130021926A1

    公开(公告)日:2013-01-24

    申请号:US13359154

    申请日:2012-01-26

    IPC分类号: H04W24/00 H04W4/00

    CPC分类号: H04L5/0048

    摘要: In macro/RRH setups, channel state information reference signals (CSI-RS) and demodulation reference signals (DM-RS) may be used to decouple control and data transmission. Data transmission (e.g. for LTE Rel 10 and beyond) may be based on CSI-RS and DM-RS, while control may be received from a different set of cells or TxPs via CRS. Certain aspects of the present disclosure introduce a reporting framework, in which configuration of data-serving cells/TxPs may be carried out based on CSI-RS. In certain aspects, a new concept of CSI-RS groups, i.e., a set of CSI-RS ports that a UE considers as one group for precoding matrix indicator (PMI)/channel quality indicator (CQI)/rank indicator (RI) reporting, may be defined.

    摘要翻译: 在宏/ RRH设置中,可以使用信道状态信息参考信号(CSI-RS)和解调参考信号(DM-RS)来去耦合控制和数据传输。 数据传输(例如,对于LTE Rel 10及其以外)可以基于CSI-RS和DM-RS,而可以经由CRS从不同的小区或TxP接收控制。 本公开的某些方面引入了报告框架,其中可以基于CSI-RS来执行数据服务小区/ TxP的配置。 在某些方面,CSI-RS组的新概念,即UE认为一组用于预编码矩阵指示符(PMI)/信道质量指示符(CQI)/秩指示符(RI)报告)的一组CSI-RS端口 ,可以被定义。

    Enabling half-duplex operation
    35.
    发明授权
    Enabling half-duplex operation 有权
    启用半双工操作

    公开(公告)号:US09014110B2

    公开(公告)日:2015-04-21

    申请号:US13550834

    申请日:2012-07-17

    IPC分类号: H04L5/16 H04L5/14 H04L5/00

    摘要: Half-duplex (HD) operations enable low cost implementations of LTE terminals. Traditionally, HD operations may be linked to a particular frequency band which may not allow a mix of full-duplex (FD) and HD terminals in the same frequency band. Therefore, certain aspects of the present disclosure provide techniques for enabling coexistence, in a given frequency band, of HD and FD terminals, by introducing frequency bands designated for HD operation and overlapping existing frequency bands designated for FD operation.

    摘要翻译: 半双工(HD)操作可实现LTE终端的低成本实现。 传统上,HD操作可以链接到特定频带,这可能不允许在相同频带中的全双工(FD)和HD终端的混合。 因此,本公开的某些方面提供了通过引入指定用于HD操作的频带并重叠指定用于FD操作的现有频带,来实现在给定频带中HD和FD终端共存的技术。

    Reference signal patterns
    37.
    发明授权
    Reference signal patterns 有权
    参考信号模式

    公开(公告)号:US08995465B2

    公开(公告)日:2015-03-31

    申请号:US13149766

    申请日:2011-05-31

    IPC分类号: H04J3/16 H04J3/00 H04L5/00

    CPC分类号: H04L5/0048

    摘要: Certain aspects of the present disclosure provide techniques for allocating resources for use in transmitting reference signals (RSs). According to certain aspects, a large set of enumerated possible CSI-RS resources (“CSI-RS patterns”) may be defined and a base station may select a CSI-RS pattern from a subset of the available patterns, with the subset determined by a transmission configuration.

    摘要翻译: 本公开的某些方面提供了用于分配用于发送参考信号(RS)的资源的技术。 根据某些方面,可以定义大量可能的CSI-RS资源(“CSI-RS模式”),并且基站可以从可用模式的子集中选择CSI-RS模式,其中子集由 传输配置。

    Reference signal reception and channel state information determination for multiple nodes in a wireless communication network
    38.
    发明授权
    Reference signal reception and channel state information determination for multiple nodes in a wireless communication network 有权
    参考信号接收和无线通信网络中多个节点的信道状态信息确定

    公开(公告)号:US08681651B2

    公开(公告)日:2014-03-25

    申请号:US13288172

    申请日:2011-11-03

    IPC分类号: G01R31/08

    摘要: Techniques for receiving reference signals from multiple nodes and determining channel state information (CSI) for the nodes are disclosed. A user equipment (UE) may determine and report CSI for the multiple nodes to support data transmission to the UE. The nodes may transmit reference signals based on different configurations. The configuration for each node may indicate when, where, and how the node transmits its reference signal. The UE may determine CSI for different nodes and/or different combinations of nodes based on the reference signals transmitted by these nodes as well as an indication of which subframes to use to determine each CSI reported by the UE. The UE may report different CSIs for different subframes and may receive data transmission sent by a single node or a combination of nodes based on the reported CSIs.

    摘要翻译: 公开了用于从多个节点接收参考信号并确定节点的信道状态信息(CSI)的技术。 用户设备(UE)可以确定并报告多个节点的CSI以支持向UE的数据传输。 节点可以基于不同的配置发送参考信号。 每个节点的配置可以指示节点发送其参考信号的时间,地点和方式。 UE可以基于由这些节点发送的参考信号来确定不同节点和/或节点的不同组合的CSI以及用于确定由UE报告的每个CSI的哪些子帧的指示。 UE可以针对不同的子帧报告不同的CSI,并且可以基于所报告的CSI接收单个节点或节点的组合发送的数据传输。

    REFERENCE SIGNAL PATTERNS
    39.
    发明申请
    REFERENCE SIGNAL PATTERNS 有权
    参考信号模式

    公开(公告)号:US20120134273A1

    公开(公告)日:2012-05-31

    申请号:US13149766

    申请日:2011-05-31

    IPC分类号: H04W24/00

    CPC分类号: H04L5/0048

    摘要: Certain aspects of the present disclosure provide techniques for allocating resources for use in transmitting reference signals (RSs). According to certain aspects, a large set of enumerated possible CSI-RS resources (“CSI-RS patterns”) may be defined and a base station may select a CSI-RS pattern from a subset of the available patterns, with the subset determined by a transmission configuration.

    摘要翻译: 本公开的某些方面提供了用于分配用于发送参考信号(RS)的资源的技术。 根据某些方面,可以定义大量可能的CSI-RS资源(“CSI-RS模式”),并且基站可以从可用模式的子集中选择CSI-RS模式,其中子集由 传输配置。

    REFERENCE SIGNAL RECEPTION AND CHANNEL STATE INFORMATION DETERMINATION FOR MULTIPLE NODES IN A WIRELESS COMMUNICATION NETWORK
    40.
    发明申请
    REFERENCE SIGNAL RECEPTION AND CHANNEL STATE INFORMATION DETERMINATION FOR MULTIPLE NODES IN A WIRELESS COMMUNICATION NETWORK 有权
    无线通信网络中多个节点的参考信号接收和信道状态信息确定

    公开(公告)号:US20120113816A1

    公开(公告)日:2012-05-10

    申请号:US13288172

    申请日:2011-11-03

    摘要: Techniques for receiving reference signals from multiple nodes and determining channel state information (CSI) for the nodes are disclosed. A user equipment (UE) may determine and report CSI for the multiple nodes to support data transmission to the UE. The nodes may transmit reference signals based on different configurations. The configuration for each node may indicate when, where, and how the node transmits its reference signal. The UE may determine CSI for different nodes and/or different combinations of nodes based on the reference signals transmitted by these nodes as well as an indication of which subframes to use to determine each CSI reported by the UE. The UE may report different CSIs for different subframes and may receive data transmission sent by a single node or a combination of nodes based on the reported CSIs.

    摘要翻译: 公开了用于从多个节点接收参考信号并确定节点的信道状态信息(CSI)的技术。 用户设备(UE)可以确定并报告多个节点的CSI以支持向UE的数据传输。 节点可以基于不同的配置发送参考信号。 每个节点的配置可以指示节点发送其参考信号的时间,地点和方式。 UE可以基于由这些节点发送的参考信号来确定不同节点和/或节点的不同组合的CSI以及用于确定由UE报告的每个CSI的哪些子帧的指示。 UE可以针对不同的子帧报告不同的CSI,并且可以基于所报告的CSI接收单个节点或节点的组合发送的数据传输。