发明名称 |
Communication method, communication apparatus, and communication system |
摘要 |
A method for exchanging channel information between a transmitter and a receiver each including antennas. A request frame including a first preamble, second preamble, and channel information feedback request is transmitted to the receiver, wherein the first preamble is transmitted from one of the antennas of the transmitter, the second preamble is transmitted from each of the antennas, and the channel information feedback request is transmitted from the one of the antennas. The request frame is received at the receiver, and the channel information feedback request is detected by a decoding based on the first preamble. Channel information is estimated using the second preamble, and a notification frame including the estimated information is constructed and transmitted to the transmitter.
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申请公布号 |
US8379545(B2) |
申请公布日期 |
2013.02.19 |
申请号 |
US20080076730 |
申请日期 |
2008.03.21 |
申请人 |
KABUSHIKI KAISHA TOSHIBA;UTSUNOMIYA YORIKO;TAKAGI MASAHIRO |
发明人 |
UTSUNOMIYA YORIKO;TAKAGI MASAHIRO |
分类号 |
H04J99/00;H04L12/28;H04B7/04;H04B7/06;H04B7/26;H04L1/00;H04L25/02 |
主分类号 |
H04J99/00 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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