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    • 16. 发明授权
    • Wireless base station receiving device, and signal demodulation method and program used therein
    • 无线基站接收装置,以及其中使用的信号解调方法和程序
    • US09124479B2
    • 2015-09-01
    • US13383373
    • 2010-05-20
    • Yasushi Maruta
    • Yasushi Maruta
    • H04B1/10H04L27/26H04J11/00H04L1/00H04L5/00
    • H04L27/2649H04J11/0036H04L1/0002H04L1/0038H04L5/0007
    • In order to improve the efficiency of user signal demodulation processing including interference suppression processing, a wireless receiving unit (10) forming a wireless base station receiving device (1) receives a wireless signal (101) including plural user signal components respectively transmitted from plural mobile terminals. An interference suppression unit (20) determines whether to perform a predetermined interference suppression processing upon demodulation of each user signal component from the wireless signal (101) (base band signal (102) output from the wireless receiving unit (10)) according to a reception quality (reception quality information (107)) of each user signal component that needs to be guaranteed for each mobile terminal and a transmission rate (transmission rate information (108)) of each user signal component determined for each mobile terminal. At this time, the interference suppression unit (20) causes a number of interference suppression demodulation blocks (30) corresponding to the number of user signal components determined to be subjected to the interference suppression processing to operate, and causes a number of normal demodulation blocks (40) corresponding to the number of user signal components determined not to be subjected to the interference suppression processing to operate.
    • 为了提高包括干扰抑制处理在内的用户信号解调处理的效率,形成无线基站接收装置(1)的无线接收单元(10)接收包含分别从多个移动台发送的多个用户信号成分的无线信号(101) 终端。 干扰抑制单元(20)根据来自无线信号(101)(从无线接收单元(10)输出的基带信号(102))解调每个用户信号分量,确定是否执行预定的干扰抑制处理 每个移动终端需要保证的每个用户信号分量的接收质量(接收质量信息(107))和为每个移动终端确定的每个用户信号分量的传输速率(传输速率信息(108))。 此时,干扰抑制单元(20)使得与被确定为要进行干扰抑制处理的用户信号分量的数量相对应的干扰抑制解调块(30)的数量进行操作,并且导致多个正常解调块 (40)对应于确定为不进行干扰抑制处理的用户信号分量的数量进行操作。
    • 18. 发明授权
    • Channel estimation and interference cancellation for virtual MIMO demodulation
    • 用于虚拟MIMO解调的信道估计和干扰消除
    • US09088443B2
    • 2015-07-21
    • US14242358
    • 2014-04-01
    • Apple Inc.
    • John P. PanickerGary D. BoudreauMichael PetrasEd Illidge
    • H04L25/02H04J11/00H04W24/00
    • H04L25/0202H04J11/0036H04J11/005H04J11/0056H04J11/0059H04L1/0048H04L25/0204H04W24/00
    • A method and system for wireless communication in a wireless communication network. The wireless communication network has a first mobile terminal and a second mobile terminal arranged in virtual multiple input, multiple output (“V-MIMO”) communication with a base station. A first wireless communication uplink channel corresponding to the first mobile terminal is estimated. The estimate is based on a first reference symbol signal and the cancellation of interference from a second reference symbol signal received from the second mobile terminal. A second wireless communication uplink channel corresponding to the second mobile terminal is estimated. The estimate is based on the second reference symbol signal and the cancellation of interference from the first reference symbol signal received from the first mobile terminal. The estimated first wireless communication uplink channel is used to demodulate a first data signal received from the first wireless device, and the estimated second wireless communication uplink channel is used to demodulate a second data signal received from the second wireless device.
    • 一种用于无线通信网络中无线通信的方法和系统。 无线通信网络具有配置在与基站的虚拟多输入,多输出(“V-MIMO”)通信中的第一移动终端和第二移动终端。 估计对应于第一移动终端的第一无线通信上行链路信道。 估计基于第一参考符号信号和从第二移动终端接收到的第二参考符号信号的干扰消除。 估计对应于第二移动终端的第二无线通信上行链路信道。 估计基于第二参考符号信号和从第一移动终端接收到的来自第一参考符号信号的干扰的消除。 估计的第一无线通信上行链路信道用于解调从第一无线设备接收的第一数据信号,并且使用估计的第二无线通信上行链路信道来解调从第二无线设备接收的第二数据信号。