Analysis of two receiver schemes for interleaved OFDMA uplink

Zhongren Cao, Ufuk Tureli, Yu Dong Yao

Research output: Contribution to journalConference articlepeer-review

32 Scopus citations

Abstract

In the uplink of OFDMA, interleaved carrier assignment scheme is preferred for its maximum frequency diversity. Two receiver schemes are presented here. The first is group synchronization scheme, in which the uplink receiver compensates the effect of carrier frequency offsets and tries to recover the synchronized spectrum of one OFDMA block. The other one, user separation scheme, exploits the signal algebraic structure on the uplink of interleaved OFDMA system, by which the signal waveform of each single user is separated and synchronized at the same time. We present the algorithms for each scheme and analyze their performance in terms of signal-to-interference-noise ratio and residual interference.

Original languageEnglish
Pages (from-to)1818-1821
Number of pages4
JournalConference Record - Asilomar Conference on Signals, Systems and Computers
Volume2
StatePublished - 2002
EventThe Thirty-Sixth Asilomar Conference on Signals Systems and Computers - Pacific Groove, CA, United States
Duration: 3 Nov 20026 Nov 2002

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