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In this paper, we study a cooperative multi-path relay channel (MPRC) in which multiple relay terminals assist in the packet transmissions from a source to the corresponding destination opportunistically. Among the relays that successfully decode the source packet, the best one in terms of the instantaneous relay-destination channel is selected to forward the decoded packet to the destination. Meanwhile,...
This paper investigates the performance and design of successive interference cancellation (SIC) receiver for downlink non-orthogonal multiple access (NOMA) combined with 2-by-2 open-loop single-user (SU)-MIMO. Compared to NOMA with 1-by-2 SIMO (Single Input Multiple Output), for NOMA with 2-by-2 SU-MIMO we have to deal with both inter-user and interstream interference at the receiver of each user...
In dense wireless scenarios, and particularly under high traffic loads, the design of efficient random access protocols is necessary. Some candidate solutions are based on Direct-Sequence Spread Spectrum (DS-SS) combined with a Successive Interference Cancellation (SIC) demodulator, but the performance of these techniques is highly related to the distribution of the users received power. In that context,...
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