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    • 4. 发明申请
    • METHODS FOR OPERATING WIRELESS ELECTRONIC DEVICES IN COORDINATED MULTIPOINT TRANSMISSION NETWORKS
    • 在协调多点传输网络中操作无线电子设备的方法
    • US20130142054A1
    • 2013-06-06
    • US13310122
    • 2011-12-02
    • Sassan Ahmadi
    • Sassan Ahmadi
    • H04W24/00H04L12/26
    • H04B7/024H04B7/0608H04B7/0632H04B7/0814H04B17/318H04W24/10H04W60/00H04W76/10
    • A coordinated multipoint (CoMP) transmission radio network is provided. Each cell in the CoMP network may include antenna nodes distributed at different geographical locations and coupled to a common baseband processing unit via an optical fiber link. When operating a user device in the CoMP network, the device may register with a neighboring baseband unit and may be served using at least one antenna node. The device may continuously receive reference signals from different antenna nodes in its vicinity and compute receive signal strength levels. The device may report the measurements to the corresponding baseband unit. The baseband unit may then switch appropriate antennas in/out of use based on the measured results. If desired, the device may be served using more than one antenna node that may or may not be part of the same cell (e.g., the device may be served using antenna nodes coupled to different baseband units).
    • 提供协调的多点(CoMP)传输无线电网络。 CoMP网络中的每个小区可以包括分布在不同地理位置的天线节点,并经由光纤链路耦合到公共基带处理单元。 当在CoMP网络中操作用户设备时,设备可以向相邻的基带单元注册,并且可以使用至少一个天线节点进行服务。 设备可以连续接收来自其附近的不同天线节点的参考信号,并计算接收信号强度水平。 设备可以将测量结果报告给相应的基带单元。 然后,基带单元可以基于测量结果切换适当的天线/使用。 如果需要,可以使用多于一个天线节点来服务设备,该天线节点可以是也可以不是相同小区的一部分(例如,可以使用耦合到不同基带单元的天线节点来服务设备)。
    • 8. 发明授权
    • Device, system, and method for partitioning and framing communication signals in broadband wireless access networks
    • 用于在宽带无线接入网络中分区和构建通信信号的设备,系统和方法
    • US07885214B2
    • 2011-02-08
    • US11907808
    • 2007-10-17
    • Sassan AhmadiHujun Yin
    • Sassan AhmadiHujun Yin
    • H04J3/24H04J1/10
    • H04W88/10H04L5/0007H04L5/0037H04L5/0044H04L5/0048H04L5/0053H04W16/26H04W72/12H04W84/047
    • A method and system for partitioning frames into sub-frames, where the frames may be defined according to a reference system standard, and transmitting one or more sub-frames during a pre-designated downlink transmission, and transmitting one or more sub-frames during a pre-designated uplink transmission. A method and system for partitioning frames into sub-frames, transmitting one or more sub-frames including a legacy preamble for communicating with a legacy terminal operating according to a reference system standard during a pre-designated legacy transmission period, and transmitting sub-frames including a supplemental preamble for communicating with a non-legacy terminal operating according to the evolved version of the reference system standard during a pre-designated non-legacy transmission period. A method and system for partitioning each of two or more frames into two or more sub-frames and transmitting the sub-frames for a non-relay transmission including transmitting a (DL:BS→MS/RS) sub-frame during a pre-designated downlink transmission and a (UL:MS/RS→BS) sub-frame during a pre-designated uplink transmission, and transmitting sub-frames for a relay transmission including transmitting a (DL:RS→MS) sub-frame during a pre-designated downlink transmission and a (UL:MS→RS) sub-frame during a pre-designated uplink transmission.
    • 一种用于将帧划分为子帧的方法和系统,其中可以根据参考系统标准来定义帧,并且在预先指定的下行链路传输期间发送一个或多个子帧,并且在一个或多个子帧期间发送一个或多个子帧 预先指定的上行链路传输。 一种用于将帧划分为子帧的方法和系统,在预先指定的传统周期期间,传输一个或多个包括传统前导码的子帧,用于与根据参考系统标准操作的传统终端进行通信,以及发送子帧 包括用于在预先指定的非传统传输周期期间根据参考系统标准的演进版本操作的非传统终端进行通信的补充前导码。 一种用于将两个或更多个帧中的每一个划分成两个或更多个子帧并发送用于非中继传输的子帧的方法和系统,包括:在预发送期间发送(DL:BS→MS / RS)子帧, 在指定的上行链路传输期间指定下行链路传输和(UL:MS / RS→BS)子帧,以及发送用于中继传输的子帧,包括在预先指定的上行链路传输期间发送(DL:RS→MS)子帧 指定的下行链路传输和(UL:MS→RS)子帧。