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  • Random Access and Source-Ch...
    Farkas, Lorant; Koi, Tams

    IEEE transactions on information theory, 2015-June, 2015-6-00, 20150601, Letnik: 61, Številka: 6
    Journal Article

    A new universal coding/decoding scheme for random access with collision detection is given in case of two senders. The result is used to give achievable joint source-channel coding error exponents for multiple access channel and independent sources. In a modified model admitting zero rate communication between the senders, an improved exponent is derived, of form similar to Csiszár's joint source-channel exponent for the one-sender case.