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Random Access and Source-Channel Coding Error Exponents for Multiple Access Channels (1301.6412v3)
Published 27 Jan 2013 in cs.IT and math.IT
Abstract: A new universal coding/decoding scheme for random access with collision detection is given in the case of two senders. The result is used to give an achievable joint source-channel coding error exponent for multiple access channels in the case of independent sources. This exponent is improved in a modified model that admits error free 0 rate communication between the senders.