发明申请
- 专利标题： Techniques utilizing step size adaptation for differential beamforming in wireless networks
- 专利标题（中）： 在无线网络中利用步长适应差分波束成形技术
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申请号： US12655258申请日： 2009-12-28
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公开(公告)号： US20110158218A1公开(公告)日： 2011-06-30
- 发明人: Qinghua Li , Xintian E. Lin , Yuan Zhu , Jiacheng Wang , Shanshan Zheng , Xiaofeng Liu , Guangjie Li , Feng Zhou
- 申请人： Qinghua Li , Xintian E. Lin , Yuan Zhu , Jiacheng Wang , Shanshan Zheng , Xiaofeng Liu , Guangjie Li , Feng Zhou
- 主分类号： H04B7/216
- IPC分类号： H04B7/216
摘要：
An embodiment of the present invention provides a method used in transmit beam forming, comprising, providing differential feedback by using variable differential codebooks across a plurality of feedbacks wherein the differential codebooks may have different shapes, and/or spans, and/or the numbers of codewords across feedbacks.
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