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Multi-user MIMO CDMA systems using complete complementary sequences.

Research output: Contribution to journalJournal article

Published

Journal publication date1/08/2006
JournalIEE Proceedings - Communications
Journal number4
Volume153
Number of pages6
Pages535-540
Original languageEnglish

Abstract

The authors propose a novel use of complete complementary (CC) sequences for increased spectral efficiency in a multiple-input–multiple-output (MIMO) code division multiple access (CDMA) system. The new method overcomes many of the problems and limitations persistent in single-input–single-output (SISO) and proves that under the proposed MIMO CC-CDMA system, the capacity for the number of supported users increases linearly by the number of transmitters. The paper also shows that the MIMO CC-CDMA system demonstrates a superior performance over those using traditional Walsh spreading sequences (Walsh-CDMA). Results include the bit error rate comparison for CC-CDMA frequency selective fading channels and that of the Walsh-CDMA under flat fading channels.

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