Computer Science – Information Theory
Scientific paper
2011-06-02
Computer Science
Information Theory
2011 IEEE International Symposium on Information Theory (ISIT 2011)
Scientific paper
In this paper, we present a new cooperative communication scheme consisting of two users in half-duplex mode communicating with one destination over a discrete memoryless channel. The users encode messages in independent blocks and divide the transmission of each block into 3 time slots with variable durations. Cooperation is performed by partial decodeforward relaying over these 3 time slots. During the first two time slots, each user alternatively transmits and decodes, while during the last time slot, both users cooperate to send information to the destination. An achievable rate region for this scheme is derived using superposition encoding and joint maximum likelihood (ML) decoding across the 3 time slots. An example of the Gaussian channel is treated in detail and its achievable rate region is given explicitly. Results show that the proposed half-duplex scheme achieves significantly larger rate region than the classical multiple access channel and approaches the performance of a full-duplex cooperative scheme as the inter-user channel quality increases.
Al Haija Ahmad Abu
Vu Mai
No associations
LandOfFree
A Half-Duplex Cooperative Scheme with Partial Decode-Forward Relaying does not yet have a rating. At this time, there are no reviews or comments for this scientific paper.
If you have personal experience with A Half-Duplex Cooperative Scheme with Partial Decode-Forward Relaying, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and A Half-Duplex Cooperative Scheme with Partial Decode-Forward Relaying will most certainly appreciate the feedback.
Profile ID: LFWR-SCP-O-495620