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Technical Program

Paper Detail

Paper IDD5-S2-T1.3
Paper Title Achievable Error Exponents for Two-Way AWGN Channels
Authors Kenneth Palacio-Baus, Natasha Devroye, University of Illinois at Chicago, United States
Session D5-S2-T1: Multiple Access Capacity I
Chaired Session: Friday, 16 July, 22:20 - 22:40
Engagement Session: Friday, 16 July, 22:40 - 23:00
Abstract We present achievable error exponent regions for the Two-Way AWGN channel under an expected block power constraint and variable-length coding (VLC). We propose an achievability scheme that allows terminals to cooperate via interaction to detect decoding errors and request re-transmissions. Under this scheme, in certain rate-pair regimes both directions are able to simultaneously attain error exponent pairs larger than the feedback-free point-to-point random coding error exponents.