Frequency-Domain Receivers for Rate-1 Space-Time Block Codes
Intrnl. Journal of Communications, Network and System Sciences Vol. 1, Nº 12, pp. 9 - 29, December, 2009.
ISSN (print): 1913-3715
ISSN (online): 1913-3723
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This paper considers iterative frequency-domain receivers for block transmission techniques with rate-1 Space Time Block Coding (STBC) for two and four transmit antennas using both Orthogonal Frequency Division Multiplexing (OFDM) and Single-Carrier (SC) schemes. The proposed receiver includes an interference canceller which enhances the performance of the non-orthogonal STBC scheme with 4 transmit antennas, allowing performances close to those of orthogonal codes.
Our performance results show that combining STBC with block transmission techniques allows excellent performances.