发明名称 |
RADIO COMMUNICATION BASE STATION DEVICE AND RADIO COMMUNICATION METHOD |
摘要 |
Provided is a radio communication base station device capable of suppressing degradation of a signal error ratio characteristic for a mobile station in the vicinity of the cell center when a plurality of signals whose transmission power is to be controlled are frequency-multiplexed or code-multiplexed. In the device (100), a classification unit (118) classifies a plurality of DPCCH according to the MCS of SCCH into a plurality of groups based on the transmission power intensity. A spread code is allocated for each DPCCH according to the classification result. A spread code for spreading a response signal (ACK signal/NACK signal) is instructed to spread units (103-1 to 103-n). The spread units (103-1 to 103-n) spread the response signal by the spread code instructed from the classification unit (118). According to the classification result in the classification unit (118), a mapping unit (104) maps the response signal after the spread to one of the subcarriers constituting the OFDM symbol.
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申请公布号 |
US2010061359(A1) |
申请公布日期 |
2010.03.11 |
申请号 |
US20080522781 |
申请日期 |
2008.01.11 |
申请人 |
FUKUOKA MASARU;NISHIO AKIHIKO;NAKAO SEIGO;HIRAMATSU KATSUHIKO |
发明人 |
FUKUOKA MASARU;NISHIO AKIHIKO;NAKAO SEIGO;HIRAMATSU KATSUHIKO |
分类号 |
H04B7/216;H04J13/00;H04J13/16;H04W72/06 |
主分类号 |
H04B7/216 |
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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