期刊名称:International Journal of Advanced Research in Computer Engineering & Technology (IJARCET)
印刷版ISSN:2278-1323
出版年度:2014
卷号:3
期号:4
页码:1072-1078
出版社:Shri Pannalal Research Institute of Technolgy
摘要:In this paper, orthogonal space frequency detec- tion or space time detection schemes for OFDM systems in broadband wireless channels. This paper proposes a compensation method to prevent error .oor caused by unequal sub channels in the space-Time block coded OFDM systems for 1 and 2 transreceiver antennas in dif- ferent parameters while providing diversity gain. This pa- per will show that for various combinational antennas cas- es like JML, ZF, SML, DF etc, the proposed compensation method gives the zero forcing solution. Proposed paper and techniques compare the method with the space time block coded OFDM systems with respect to broadband wireless channel specifications in form of BER calcutions. It also shows the channel compensation method with sub division of wave forms that can be performed during the channel estimation using a Kalman filter.
关键词:OFDM; space time block code; space- ; frequency block code; channel compensation; error .oor; ; BER; TDBC.