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

Abstract

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.

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Correspondence to D. S. Osipov.

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Original Russian Text © D.S. Osipov, A.A. Frolov, V.V. Zyablov, 2013, published in Problemy Peredachi Informatsii, 2013, Vol. 49, No. 4, pp. 13–27.

Supported in part by the Russian Foundation for Basic Research, project no. 12-07-31035-mol a.

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Osipov, D.S., Frolov, A.A. & Zyablov, V.V. On the user capacity for a multiple-access system in a vector disjunctive channel with errors. Probl Inf Transm 49, 308–321 (2013). https://doi.org/10.1134/S0032946013040029

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Keywords

  • Information Transmission
  • Code Division Multiple Access
  • Channel Input
  • Transmission Method
  • Pulse Position Modulation