TY - GEN
T1 - On the achievable sum rate of Gaussian interference channel via Gaussian signaling
AU - Chen, Zhengchuan
AU - Fan, Pingyi
AU - Wu, Dapeng
AU - Dong, Yunquan
AU - Ben Letaief, Khaled
N1 - Publication details (e.g. title, author(s), publication statuses and dates) are captured on an “AS IS” and “AS AVAILABLE” basis at the time of record harvesting from the data source. Suggestions for further amendments or supplementary information can be sent to [email protected].
PY - 2014
Y1 - 2014
N2 - Two user Gaussian interference channel (GIC) consists of two source-destination pairs which transmit independent messages and interfere with each other. The best achievable rate region, referred to HK sum rate bound, requires the sources to split the information into public messages and private messages. As Gaussian signaling holds the potential of approaching the capacity, finding the HK sum rate achieved by Gaussian signaling is of great importance. However, The optimal power allocation over messages for Gaussian signaling are not known yet This work clearly describes the optimal power allocation and corresponding sum rate achieved by Gaussian signaling without time sharing (TS) in closed form. It lays a foundation for finding the TS strategy achieving the optimal sum rate. The obtained power allocation indicates that without TS, message splitting may not be always necessary. Besides, the conditions for using and not using message splitting are also characterized in detail. © 2014 IEEE.
AB - Two user Gaussian interference channel (GIC) consists of two source-destination pairs which transmit independent messages and interfere with each other. The best achievable rate region, referred to HK sum rate bound, requires the sources to split the information into public messages and private messages. As Gaussian signaling holds the potential of approaching the capacity, finding the HK sum rate achieved by Gaussian signaling is of great importance. However, The optimal power allocation over messages for Gaussian signaling are not known yet This work clearly describes the optimal power allocation and corresponding sum rate achieved by Gaussian signaling without time sharing (TS) in closed form. It lays a foundation for finding the TS strategy achieving the optimal sum rate. The obtained power allocation indicates that without TS, message splitting may not be always necessary. Besides, the conditions for using and not using message splitting are also characterized in detail. © 2014 IEEE.
KW - Achievable rate region
KW - Gaussian interference channel (GIC)
KW - Gaussian signaling
KW - Time-sharing
UR - https://www.scopus.com/pages/publications/84906559625
UR - https://www.scopus.com/record/pubmetrics.uri?eid=2-s2.0-84906559625&origin=recordpage
U2 - 10.1109/ISIT.2014.6875332
DO - 10.1109/ISIT.2014.6875332
M3 - RGC 32 - Refereed conference paper (with host publication)
SN - 9781479951864
T3 - IEEE International Symposium on Information Theory - Proceedings
SP - 2739
EP - 2743
BT - 2014 IEEE International Symposium on Information Theory, ISIT 2014
PB - IEEE
T2 - 2014 IEEE International Symposium on Information Theory, ISIT 2014
Y2 - 29 June 2014 through 4 July 2014
ER -