发明名称 |
WIRELESS BASE STATION AND WIRELESS COMMUNICATION METHOD |
摘要 |
A transmission path state estimation unit estimates a state of a transmission path to a wireless terminal based on a DRS (Demodulation Reference Signal) included in uplink user data received from the wireless terminal when a re-sending request is received after transmission of an SRS is stopped. A transmission unit forms directivity of a plurality of antennas based on the estimated state of the transmission path and transmits downlink user data.
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申请公布号 |
US2013215847(A1) |
申请公布日期 |
2013.08.22 |
申请号 |
US201113814334 |
申请日期 |
2011.08.04 |
申请人 |
SATO YOSHIZO;NAKATA MASAAKI;TAKAMATSU NOBUAKI;YAGI MASAHIRO;FUJITA HIROKI;KYOCERA CORPORATION |
发明人 |
SATO YOSHIZO;NAKATA MASAAKI;TAKAMATSU NOBUAKI;YAGI MASAHIRO;FUJITA HIROKI |
分类号 |
H04W72/04 |
主分类号 |
H04W72/04 |
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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