Spectral efficiency of joint multiple cell-site processors for randomly spread DS-CDMA systems

Oren Somekh, Benjamin M. Zaidel, Shlomo Shamai

Research output: Contribution to journalConference articlepeer-review

14 Scopus citations

Abstract

We consider a chip-interleaved randomly spread DS-CDMA scheme employed in Wyner's infinite linear cell-array model with fiat fading. Focusing on the asymptotic setup, the per-cell spectral efficiencies of the optimum and linear MMSE joint multi-cell receivers are considered. Performance enhancement as compared to single-cell-site processing is demonstrated. The asymptotic behavior of the two receivers in extreme SNR regimes and in a high cell-load setup are analyzed as well. The impact of chip-interleaving vs. symbol-interleaving is also considered.

Original languageEnglish
Pages (from-to)278
Number of pages1
JournalIEEE International Symposium on Information Theory - Proceedings
StatePublished - 2004
Externally publishedYes
EventProceedings - 2004 IEEE International Symposium on Information Theory - Chicago, IL, United States
Duration: 27 Jun 20042 Jul 2004

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