发明申请
US20130077658A1 SPATIALLY RANDOMIZED PILOT SYMBOL TRANSMISSION METHODS, SYSTEMS AND DEVICES FOR MULTIPLE INPUT/MULTIPLE OUTPUT (MIMO) WIRELESS COMMUNICATIONS
有权
用于多输入/多输出（MIMO）无线通信的空间引导符号传输方法，系统和设备
- 专利标题： SPATIALLY RANDOMIZED PILOT SYMBOL TRANSMISSION METHODS, SYSTEMS AND DEVICES FOR MULTIPLE INPUT/MULTIPLE OUTPUT (MIMO) WIRELESS COMMUNICATIONS
- 专利标题（中）： 用于多输入/多输出（MIMO）无线通信的空间引导符号传输方法，系统和设备
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申请号： US13247597申请日： 2011-09-28
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公开(公告)号： US20130077658A1公开(公告)日： 2013-03-28
- 发明人: Dennis Hui , Kumar Balachandran , Jung-Fu Cheng , Jiann-Ching Guey
- 申请人： Dennis Hui , Kumar Balachandran , Jung-Fu Cheng , Jiann-Ching Guey
- 申请人地址： SE Stockholm
- 专利权人： Telefonaktiebolaget L M Ericsson (publ)
- 当前专利权人： Telefonaktiebolaget L M Ericsson (publ)
- 当前专利权人地址： SE Stockholm
- 主分类号： H04L27/28
- IPC分类号： H04L27/28 ; H04B1/38 ; H04L27/00
摘要：
Compressive sampling is used to generate pilot symbols to be transmitted over an array of antennas in a MIMO wireless communications device. A pilot symbol is transmitted over the array of antennas according to a spatially randomized antenna transmission function that randomly changes across the array of antennas. The randomized antenna transmission function may randomly select/deselect antennas and/or randomly change amplitude and/or phase of the pilot symbol transmission. Channel estimates can be constructed at a receiver based on the spatially randomized pilot symbols that were transmitted.
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