发明名称 |
REVERSE LINK OUTER LOOP POWER CONTROL WITH ADAPTIVE COMPENSATION |
摘要 |
In a wireless communications system, a base station employs a bit error rate (BER) based Reverse Outer Loop Power Control (ROLPC) technique. The ROLPC techniqu e uses either instantaneous or weakly filtered values of the BER for compariso n with a BER target value for adjusting a target signal-to-noise ratio (SNR). The BER target value is varied as a function of a second order statistic (e.g. variance, standard deviation) of the received SNR. In another embodiment, a symbol error count based ROLPC technique uses adaptive SER targets. In particular, a base station uses a 2nd order statistic, e.g., standard deviation (variance), to identify, or act as a signature of, a particular cellular (wireless) communications environment. The base station monitors the standar d deviation of the symbol error count of a received signal (transmitted from a mobile station). The target signal-to-noise ratio ((E b/N0)T) of this received signal is adjusted as a function of the value of the standard deviation and the adjusted (E b/N0)T target is used to provide power control. |
申请公布号 |
CA2330267(C) |
申请公布日期 |
2006.03.14 |
申请号 |
CA20012330267 |
申请日期 |
2001.01.05 |
申请人 |
LUCENT TECHNOLOGIES, INC. |
发明人 |
MONOGIOUDIS, PANTELIS;REGE, KIRAN M.;SAMPATH, ASHWIN |
分类号 |
H04B7/005;H04L1/00;H04B7/26;H04J13/00;H04W52/12;H04W52/20;H04W52/22;H04W52/24 |
主分类号 |
H04B7/005 |
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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