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International Journal of Digital Multimedia Broadcasting
Volume 2010, Article ID 134919, 7 pages
http://dx.doi.org/10.1155/2010/134919
Research Article

Intercell Interference Coordination through Limited Feedback

1Dallas Telecommunications R&D Center, Samsung Telecommunications America, Richardson, TX 75082, USA
2Standards and Industry Initiative (SII), Samsung Electronics, 416, Maetan-3dong, Yeongtong-gu, Suwon-si, Gyeonggi-do 443-742, South Korea

Received 3 August 2009; Accepted 2 November 2009

Academic Editor: Hongxiang Li

Copyright © 2010 Lingjia Liu et al. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

Abstract

We consider the applications of multicell transmission schemes to the downlink of future wireless communication networks. A multicell multiple-input multiple output-(MIMOs) based scheme with limited coordination among neighboring base stations (BSs) is proposed to effectively combat the intercell interference by taking advantage of the degreesoffreedom in the spatial domain. In this scheme, mobile users are required to feedback channel-related information to both serving base station and interfering base station. Furthermore, a chordal distance-based compression scheme is introduced to reduce the feedback overhead. The performance of the proposed scheme is investigated through theoretical analysis as well as system level simulations. Both results suggest that the so-called “intercell interference coordination through limited feedback” scheme is a very good candidate for improving the cell-edge user throughput as well as the average cell throughput of the future wireless communication networks.