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    • 8. 发明申请
    • METHOD AND APPARATUS FOR SWITCHING BETWEEN SINGLE USER DETECTION AND MULTI USER DETECTION
    • 用于单用户检测和多用户检测之间切换的方法和装置
    • US20120021688A1
    • 2012-01-26
    • US13009174
    • 2011-01-19
    • Kapil BhattadPeter GaalAlexei Yurievitch GorokhovJuan MontojoNaga Bhushan
    • Kapil BhattadPeter GaalAlexei Yurievitch GorokhovJuan MontojoNaga Bhushan
    • H04B15/00H04B1/00
    • H04B7/0452H04B7/0689H04B7/0871
    • Certain aspects of the present disclosure propose methods and apparatuses for detecting whether a user device is scheduled for a single user (SU) multiple-input multiple-output (MIMO) communication mode or for a multi-user (MU) MIMO communication mode. In an aspect, a method for wireless communications is provided which includes measuring, at a first apparatus based on received pilot signals, a first receive power corresponding to a first channel associated with the first apparatus, measuring, based on the received pilot signals, a second receive power corresponding to a second channel associated with at least one potentially present second apparatus, measuring a residual interference based on the received pilot signals, and determining, based on at least one of the first receive power, the second receive power and the residual interference, whether to apply a MU detection or a SU detection for estimating data received at the first apparatus.
    • 本公开的某些方面提出了用于检测是否为单用户(SU)多输入多输出(MIMO)通信模式或多用户(MU)MIMO通信模式)调度用户设备的方法和装置。 一方面,提供了一种用于无线通信的方法,其包括在第一装置基于接收到的导频信号测量与第一装置相关联的第一信道对应的第一接收功率,基于接收到的导频信号, 对应于与至少一个潜在存在的第二装置相关联的第二信道的第二接收功率,基于接收到的导频信号测量残余干扰,以及基于所述第一接收功率,所述第二接收功率和所述残差中的至少一个来确定 干扰,是否应用MU检测或SU检测来估计在第一装置处接收到的数据。
    • 9. 发明授权
    • Method and apparatus for switching between single user detection and multi user detection
    • 用于单用户检测和多用户检测之间切换的方法和装置
    • US08983389B2
    • 2015-03-17
    • US13009174
    • 2011-01-19
    • Kapil BhattadPeter GaalAlexei Yurievitch GorokhovJuan MontojoNaga Bhushan
    • Kapil BhattadPeter GaalAlexei Yurievitch GorokhovJuan MontojoNaga Bhushan
    • H04B1/00H04B7/04H04B7/06H04B7/08
    • H04B7/0452H04B7/0689H04B7/0871
    • Certain aspects of the present disclosure propose methods and apparatuses for detecting whether a user device is scheduled for a single user (SU) multiple-input multiple-output (MIMO) communication mode or for a multi-user (MU) MIMO communication mode. In an aspect, a method for wireless communications is provided which includes measuring, at a first apparatus based on received pilot signals, a first receive power corresponding to a first channel associated with the first apparatus, measuring, based on the received pilot signals, a second receive power corresponding to a second channel associated with at least one potentially present second apparatus, measuring a residual interference based on the received pilot signals, and determining, based on at least one of the first receive power, the second receive power and the residual interference, whether to apply a MU detection or a SU detection for estimating data received at the first apparatus.
    • 本公开的某些方面提出了用于检测是否为单用户(SU)多输入多输出(MIMO)通信模式或多用户(MU)MIMO通信模式)调度用户设备的方法和装置。 一方面,提供了一种用于无线通信的方法,其包括在第一装置基于接收到的导频信号测量与第一装置相关联的第一信道对应的第一接收功率,基于接收到的导频信号, 对应于与至少一个潜在存在的第二装置相关联的第二信道的第二接收功率,基于接收到的导频信号测量残余干扰,以及基于所述第一接收功率,所述第二接收功率和所述残差中的至少一个来确定 干扰,是否应用MU检测或SU检测来估计在第一装置处接收到的数据。
    • 10. 发明申请
    • CHANNEL FEEDBACK BASED ON REFERENCE SIGNAL
    • 基于参考信号的通道反馈
    • US20120020230A1
    • 2012-01-26
    • US13006216
    • 2011-01-13
    • Wanshi ChenKapil BhattadPeter GaalAlexei Yurievitch GorokhovJuan Montojo
    • Wanshi ChenKapil BhattadPeter GaalAlexei Yurievitch GorokhovJuan Montojo
    • H04L12/26
    • H04W24/08H04L1/0026H04L1/0028H04L5/0041H04L5/0048
    • Techniques for supporting channel measurement and reporting in a wireless communication system are described. In one design, a cell transmits a cell-specific reference signal (CRS) used for channel estimation and coherent demodulation and a channel spatial information reference signal (CSI-RS) used for channel measurement and channel feedback reporting. The cell may transmit the CSI-RS less frequently than the CRS, or from more antenna ports than the CRS, or on fewer resource elements than the CRS, or a combination thereof. In one design, a user equipment (UE) determines at least one bandwidth part configured for the UE, with each bandwidth part covering at least one subband. The UE receives the CRS and CSI-RS from the cell, determines channel feedback information for the at least one bandwidth part based on the CSI-RS, sends the channel feedback information to the cell, and receives data transmitted by the cell based on the channel feedback information.
    • 描述了在无线通信系统中支持信道测量和报告的技术。 在一种设计中,小区发送用于信道估计和相干解调的小区特定参考信号(CRS)以及用于信道测量和信道反馈报告的信道空间信息参考信号(CSI-RS)。 小区可以比CRS更频繁地发送CSI-RS,或者比比CRS更多的天线端口或比CRS更少的资源元素或其组合来发送CSI-RS。 在一种设计中,用户设备(UE)确定为UE配置的至少一个带宽部分,每个带宽部分覆盖至少一个子带。 UE从小区接收CRS和CSI-RS,基于CSI-RS确定至少一个带宽部分的信道反馈信息,向小区发送信道反馈信息,并接收基于小区的小区发送的数据 渠道反馈信息。