Performance Analysis of Adaptive Bit Loading for SFBC-OFDM over WSSUS Multipath Channels

摘要：

This paper studies an adaptive modulation technique combined with space-frequency block coded OFDM (SFBCOFDM) over wide sense stationary uncorrelated scattering (WSSUS) multipath channels.Chow’s adaptive bit loading algorithm and Alamouti’s diversity scheme are employed in the two transmitter antennas and two receiver antennas SFBCOFDM.WSSUS multipath channels are discussed.Then scattering function is presented.Simulation results show that adaptive SFBC-OFDM has 1.5 dB advantage compared with fixed modulation SFBC-OFDM.Furthermore,adaptive SFBCOFDM requires less additional power gain than fixed modulation SFBC-OFDM,which can combat feedback in WSSUS multipath channel.

作者: WANG Wei-gong DA Xin-yu

作者单位: The Telecommunication Engineering Institute Air Force Engineering University Xian,China

会议类型: 国际会议

会议名称: 第八届电磁理论、天线及传播国际研讨会

会议地点: 昆明

会议语种:英文

在线出版日期: 2008-11-01（万方平台首次上网日期，不代表论文的发表时间）