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    • 5. 发明授权
    • Coordinating method and device for multi-input multi-output precoding of downlink multi-base station
    • 下行多基站多输入多输出预编码的协调方法和装置
    • US09077404B2
    • 2015-07-07
    • US13989753
    • 2011-06-21
    • Xiaoshan JiaDengkui ZhuYanfeng GuanDihao NingZhaohua LuHuahua XiaoXiaoxiao Jiao
    • Xiaoshan JiaDengkui ZhuYanfeng GuanDihao NingZhaohua LuHuahua XiaoXiaoxiao Jiao
    • H04B7/04H04B7/02H04J11/00H04L5/00H04B7/06H04W72/08
    • H04B7/0456H04B7/024H04B7/0639H04J11/0059H04L5/0023H04L5/0035H04L5/0037H04L5/0073H04L5/0092H04W72/08
    • The disclosure discloses a method for coordinating downlink MIMO precoding among multiple BSs, including that: each BS first performs independent resource allocation to allocate resources to users of each BS, then receives PMI information fed back by a time-frequency resource block occupying MS in a respective cell, wherein the PMI information includes optimal and recommended or restrained PMIs corresponding to an MS; adjacent BSs perform information interaction with each other to acquire PMI information of MSs occupying the same time-frequency resource block in adjacent cells; and it is determined whether there is any conflict between MSs occupying the same time-frequency resource block in adjacent cells according to PMI information fed back by an MS in the current cell and interaction information from adjacent BSs, and a new PM is generated in a corresponding manner. The disclosure also discloses a device for implementing the method. The coordinating method and device of the disclosure can reduce or eliminate interference among users at a border through downlink resource allocation and precoding coordination between adjacent cells, thereby enhancing performance of the entire network.
    • 本公开公开了一种用于协调多个BS之间的下行MIMO预编码的方法,包括:每个BS首先执行独立的资源分配以向每个BS的用户分配资源,然后接收由占用MS的时间 - 频率资源块反馈的PMI信息 其中所述PMI信息包括对应于MS的最佳和推荐或约束的PMI; 相邻BS执行彼此的信息交互以获取在相邻小区中占据相同时间 - 频率资源块的MS的PMI信息; 并且根据当前小区中的MS反馈的PMI信息和来自相邻BS的交互信息,确定在相邻小区中占用相同时间 - 频率资源块的MS之间是否存在冲突,并且在一个新的PM中生成新的PM 相应的方式。 本公开还公开了一种用于实现该方法的装置。 本公开的协调方法和装置可以通过下行链路资源分配和相邻小区之间的预编码协调来减少或消除边界用户之间的干扰,从而提高整个网络的性能。
    • 10. 发明申请
    • Method and Base Station for Adjusting a Persistent Allocation of Resource
    • 调整资源持续分配的方法和基站
    • US20110230223A1
    • 2011-09-22
    • US13125587
    • 2009-08-18
    • Zhaohua LuYing LiuWei XiaHongyun QuLi WangKexue Lu
    • Zhaohua LuYing LiuWei XiaHongyun QuLi WangKexue Lu
    • H04W72/04
    • H04W72/042H04W76/30
    • The present invention discloses a method and a base station for adjusting a persistent allocation of resource, wherein the method comprises: a base station sends a resource persistent allocation message to a terminal via a downlink channel, wherein the base station indicates a resource de-allocation by a resource allocation flag in the resource persistent allocation message, and indicates whether a resource hole filling is needed by the resource shifting indicator in the resource persistent allocation message, wherein under the circumstance that the resource hole filling is needed, the location of a de-allocated resource is carried in the resource persistent allocation message; and under the circumstance that no resource hole filling is needed, the identifier of the terminal is carried in the resource persistent allocation message. By using the present invention, the information such as the terminal identifier can be carried optionally by modifying the content carried in the resource persistent allocation message, so that the redundant content in the message is eliminated, the problem that the efficiency of system frequency spectrum is reduced due to the redundant content in the message is avoided, system resources are saved, and system performances are improved.
    • 本发明公开了一种用于调整资源的持续分配的方法和基站,其中所述方法包括:基站经由下行链路信道向终端发送资源持续分配消息,其中,所述基站指示资源去分配 通过资源持续分配消息中的资源分配标志,并且指示资源持续分配消息中的资源移动指示符是否需要资源空穴填充,其中在需要资源充填的情况下, 资源持久分配消息中承载了分配资源; 在不需要资源填充的情况下,终端的标识符在资源持久性分配消息中被携带。 通过使用本发明,可以通过修改资源持久性分配消息中携带的内容来选择性地携带诸如终端标识符的信息,从而消除消息中的冗余内容,系统频谱的效率为 避免了消息中冗余内容的减少,节省了系统资源,提高了系统性能。