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Forward Link Performance of CDMA/FDM Systems with Truncated Adaptive Transmission  

Kim, Hong-Jik (LG전자 네트워크 연구소)
Oh, Jong-Ho (한국과학기술원 전자전산학과)
Yoon, Seok-Ho (성균관대학교 정보통신공학부)
Lee, Ju-Mi (한국과학기술원 전자전산학과)
Song, Ick-Ho (한국과학기술원 전자전산학과)
Abstract
A hybrid multicarrier CDMA/FDM system with a truncated adaptive transmission scheme is analyzed in forward link based on the feedback information from the mobile station. In the single cell environment, the prop(mea scheme outperforms the adaptive FH/DS system as well as the MC DS/CDMA system when orthogonal signature sequences are used. In the multiple cell environment also, the proposed scheme has better performance characteristics than the adaptive FH/DS system when orthogonal and random codes are used as spreading sequences.
Keywords
code division multiple access; adaptive transmission; truncated; frequency division multiplexing;
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