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Performance Evaluation of STBC-OFCDM Systems with Channel Estimation Error in Time-Variant Channels
Young-Hwan YOU Won-Gi JEON Jong-Ho PAIK
IEICE TRANSACTIONS on Communications
Publication Date: 2004/01/01
Print ISSN: 0916-8516
Type of Manuscript: LETTER
Category: Wireless Communication Technology
OFCDM, STBC, channel estimation error, time-varying channel,
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In this letter, we address the performance evaluation of a space-time block coded (STBC) orthogonal frequency and code division multiplexing (OFCDM) system encountered with time-variant channels. For the performance evaluation, the average bit error rate (BER) impairment due to imperfect channel information is investigated taking into account the effect of time-varying channels. Derived results show that the loss of orthogonality due to the time variation of the channel incurs the channel estimation error, which causes performance degradation.