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In order to reduce high bit error rate (BER) over wireless multi-access channel with low signal to noise ratio (SNR), a joint network-channel coding algorithm for wireless relay communications is proposed. In our scheme, low density parity check (LDPC) is applied as channel code to work together with network coding in the relay node. At the destination nodes, joint network-channel decoding is applied,...
An adaptive network coding scheme is proposed for the full utilization of network resource in distributed antenna systems to reduce the outage probability. Depending on the decoding results of received signals, the relay node adaptively employs different transmission schemes. When the information is received correctly from the two users, the relay transmits the coded message to the base station. Otherwise...
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