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Soft decision decoding technique for collaborative coding multiple-access channels

Ali, F. and Honary, Bahram (1991) Soft decision decoding technique for collaborative coding multiple-access channels. In: Telecommunications, 1991. Third IEE Conference on :. IEEE, pp. 141-146. ISBN 0-85296-502-8

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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. The soft decision CCMA (SD-CCMA) decoding algorithm and the probability of error calculation for the T-user baseband adder channel are presented. In addition, the theoretical analysis and the decoding algorithm for one particular 2-user adder channel scheme are shown. Simulation results for this scheme are presented graphically in terms of the probability of error employing SD-CCMA and hard decision (HD-CCMA) decoding techniques. The energy gain achieved by this technique for different signal to noise ratios is also shown

Item Type: Contribution in Book/Report/Proceedings
Subjects:
Departments: Faculty of Science and Technology > School of Computing & Communications
ID Code: 61244
Deposited By: ep_importer_pure
Deposited On: 06 Feb 2013 18:24
Refereed?: No
Published?: Published
Last Modified: 20 Sep 2017 04:04
Identification Number:
URI: http://eprints.lancs.ac.uk/id/eprint/61244

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