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In this paper, the problem of constellation and rate selection in adaptive modulation and coding according to the channel condition is considered. A new selecting rule based on the finite blocklength analysis of channel capacity is proposed. When applied to the LTE system, the proposed selecting rule reveals interesting, new combinations of constellation and rate which yield significantly better performance...
Linear operator channels (LOCs) are motivated by the communications through networks employing random linear network coding (RLNC). Following the recent information theoretic results about LOCs, we propose two coding schemes for LOCs and evaluate their performance. These schemes can be used in networks employing RLNC without constraints on the network size and the field size. Our first scheme makes...
This paper studies the design and analysis of multiresolution vector quantization (MRVQ) for broadcast channels. Given a broadcast system with MRVQ, a random index assignment, and a coded broadcast channel, we first obtain a closed-form formula for the weighted end-to-end distortion (EED) of the system. Based on the formula, an iterative algorithm is then proposed for designing optimal MRVQ for the...
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