Semi-decentralized beamforming coordination for multiuser two-tier networks

Youngmin Jeong, Hyundong Shin, Tony Q.S. Quek

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

In this paper, we consider a downlink two-tier network comprising of a multiple-antenna macrocell base station and a single femtocell access point, each serving multiples users with a single antenna. In this scenario, we treat the total transmit power minimization problem and mean-square error balancing problem. In the presence of perfect channel state information (CSI), we formulate the optimization algorithms in a semi-decentralized manner by introducing the signal-to-leakage plus noise ratio criteria. Taking into account imperfect CSI, we also propose robust algorithms tailored by the worst-case design to mitigate the effect of channel uncertainty. Finally, numerical results are presented to validate our proposed algorithms.

Original languageEnglish
Title of host publication5th International Conference on Signal Processing and Communication Systems, ICSPCS'2011 - Proceedings
DOIs
Publication statusPublished - 2011
Event5th International Conference on Signal Processing and Telecommunication Systems, ICSPCS'2011 - Honolulu, HI, United States
Duration: 2011 Dec 122011 Dec 14

Publication series

Name5th International Conference on Signal Processing and Communication Systems, ICSPCS'2011 - Proceedings

Conference

Conference5th International Conference on Signal Processing and Telecommunication Systems, ICSPCS'2011
CountryUnited States
CityHonolulu, HI
Period11-12-1211-12-14

All Science Journal Classification (ASJC) codes

  • Computer Networks and Communications
  • Signal Processing

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