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Low complexity soft decision decoding technique for T-user collaborative coding multiple-access channels

Research output: Contribution to journalJournal article

Published
<mark>Journal publication date</mark>1991
<mark>Journal</mark>Electronics Letters
Issue number13
Volume27
Number of pages3
Pages (from-to)1167-1169
Publication StatusPublished
<mark>Original language</mark>English

Abstract

The collaborative coding multiple-access (CCMA) scheme permits potentially efficient simultaneous transmission by several users sharing a common channel, without subdivision in time or frequency. A new low complexity soft decision decoding technique is introduced to make use of the CCMA error control capability. The proposed soft decision CCMA (SD CCMA) decoding algorithm for the T-user baseband CCMA adder channel is presented. Theoretical simulation results of the probability of error for a particular two-user CCMA scheme is also given using SD CCMA and hard decision (HD CCMA) decoding techniques.