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|Title:||An iterative receiver for groupwise bit-interleaved coded QAM STBC OFDM||Authors:||Sun, S.
|Issue Date:||2004||Citation:||Sun, S.,Tjhung, T.T.,Li, Y. (2004). An iterative receiver for groupwise bit-interleaved coded QAM STBC OFDM. IEEE Vehicular Technology Conference 59 (3) : 1256-1260. ScholarBank@NUS Repository.||Abstract:||A groupwise bit-interleaved coded quadrature amplitude modulated (BICQAM) space-time block coded (STBC) orthogonal frequency division multiplexing (OFDM) system is studied in this paper to exploit both the capacity and transmit diversity gains in wideband frequency selective channels. A "" turbo" receiver is deployed to further exploit the diversity gains from receive antennas. Through iteratively exchanging soft information between the detector and the decoder, the receiver can achieve the performance of a single-group BICQAM STBC OFDM system after four to five iterations. Simplified interference estimation is then proposed to reduce the computational complexity. Simulation results show that only marginal performance degradation is introduced by this simplification. ©2004 IEEE.||Source Title:||IEEE Vehicular Technology Conference||URI:||http://scholarbank.nus.edu.sg/handle/10635/111698||ISSN:||15502252|
|Appears in Collections:||Staff Publications|
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