A Simple Code Allocation Algorithm Based on Asymptotic Analysis of MIMO MC-CDMA Systems in a Multi-Cell Environment

Kyeongyeon KIM
Jaesang HAM
Chungyong LEE

IEICE TRANSACTIONS on Communications   Vol.E90-B    No.12    pp.3708-3711
Publication Date: 2007/12/01
Online ISSN: 1745-1345
DOI: 10.1093/ietcom/e90-b.12.3708
Print ISSN: 0916-8516
Type of Manuscript: LETTER
Category: Wireless Communication Technologies
asymptotic analysis,  MC-CDMA,  MIMO communication,  multi-cell,  random matrix,  

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Owing to frequency diversity gain and simplicity, a chip interleaved multi-carrier code division multiple access (MC-CDMA) system has been considered in a multi-cell environment, and combining it with multiple input multiple output (MIMO) schemes offers high spectral efficiency. In spite of the advantages, the system is highly affected by inter code interferences. To control them, this letter analyzes the asymptotic performance of a MIMO MC-CDMA system with a symbol level MMSE receiver in a multi-cell environment and presents an appropriate multiplexed code ratio satisfying a required error rate.