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Inter-Channel Interference Analysis in STBC OFDM-CDMA Systems
Intae HWANG Jungyoung SON Sukki HAHN Young-Hwan YOU Daesik HONG Changeon KANG
IEICE TRANSACTIONS on Communications
Publication Date: 2004/05/01
Print ISSN: 0916-8516
Type of Manuscript: LETTER
Category: Wireless Communication Technology
interchannel interference, STBC, OFDM-CDMA, Doppler spread, MRC, EGC,
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Rapid time variations of the mobile communication channel have a dramatic impact on the performance of multicarrier modulation. This letter analyzes the effect of the Doppler-induced interchannel interference (ICI) on a space-time block coded (STBC) OFDM-CDMA system in a time-varying Rayleigh fading channel. At the same time, we compute the effect of the ICI on the BER performance of the STBC OFDM-CDMA system using the maximal ratio combining (MRC) and equal gain combining (EGC) schemes.