On the user capacity for a multiple-access system in a vector disjunctive channel with errors

We consider a multiple-access system in which each user is given q out of Q available subchannels ( q ≪ Q ). We investigate capacities of two channels emerging in the system under consideration in the case of single-user reception. These channels can be considered as modifications of the A-channel....

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Bibliographic Details
Published in:Problems of information transmission 2013-10, Vol.49 (4), p.308-321
Main Authors: Osipov, D. S., Frolov, A. A., Zyablov, V. V.
Format: Article
Language:English
Subjects:
Coding Theory
Communications Engineering
Control
Electrical Engineering
Engineering
Information Storage and Retrieval
Networks
Systems Theory
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Summary:We consider a multiple-access system in which each user is given q out of Q available subchannels ( q ≪ Q ). We investigate capacities of two channels emerging in the system under consideration in the case of single-user reception. These channels can be considered as modifications of the A-channel. In the first case we assume that a signal transmitted by a certain user is always registered by the receiver. Thus, activity of other users is the only obstacle to correct reception of information transmitted by a certain user in the multiple-access system. In the second case we assume that the output of each subchannel is inverted with probability p . Analytical expressions (both asymptotic and nonasymptotic) are derived and investigated.
ISSN:0032-9460
1608-3253
DOI:10.1134/S0032946013040029