Achievable rates for embedded bidirectional relaying in a cellular downlink
2010 (English)In: 2010 IEEE International Conference On Communications - ICC 2010, 2010, 5502395- p.Conference paper (Refereed)
In this work we provide an achievable rate region for the cellular downlink with three users where two users want to communicate with each other. Due to the side information from the prior uplink, gains are achievable by combining bidirectional and classical broadcast channel coding strategies. A coding theorem for the bidirectional broadcast channel with random state non-causally known at the encoder is generalized to continuous alphabets and applied to Gaussian channels with an average power constraint. The single-user capacities are achievable if one decoder additionally knows the channel state. Accordingly, we see that a more comprehensive view on the information flow in a multi-user network can lead to a larger achievable rate region.
Place, publisher, year, edition, pages
2010. 5502395- p.
, IEEE International Conference on Communications, ISSN 1550-3607
Achievable rate, Achievable rate region, Average power, Broadcast channels, Channel state, Coding strategy, Coding theorems, Gaussian channels, Information flows, Multi-user networks, Random state, Side information, Single users, Broadcasting, Packet networks
Computer and Information Science
IdentifiersURN: urn:nbn:se:kth:diva-30303DOI: 10.1109/ICC.2010.5502395ISI: 000287029400148ScopusID: 2-s2.0-77955377977ISBN: 978-1-4244-6404-3OAI: oai:DiVA.org:kth-30303DiVA: diva2:404737
2010 IEEE International Conference on Communications Location: Cape Town, South Africa, Date: MAY 23-27, 2010
QC 201103182011-03-182011-02-232011-09-28Bibliographically approved