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A viterbi algorithm using the channel state information
Author(s): 
Pages: 10-11,61
Year: Issue:  2
Journal: RADIO COMMUNICATIONS TECHNOLOGY

Keyword:  信道状态信息维特比802.11a;
Abstract: 维特比算法是一种最大似然码字估计器,它为传输的码字提供了最好的可能估算.对于利用信道状态信息(CSI)的维特比译码方法,信道状态信息精确性显得尤为重要.建议采用维纳滤波提高了信道估计的精度,从而也使得信道状态信道精确性得到提高.通过采用802.11a OFDM系统进行仿真验证表明,采用此方法系统性能有明显的改善.
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