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On the Capacity of Cellular Networks with Global LMMSE Receiver

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3 Author(s)
Boon Loong Ng ; Univ. of Melbourne, Melbourne ; Evans, J.S. ; Hanly, S.V.

Frequency planning is a common intercell interference (ICI) management strategy in narrowband cellular networks. In this paper, we consider an alternative approach that allows full frequency reuse in every cell and deploys a network-wide linear minimum mean square error (LMMSE) receiver as the front-end processor to suppress ICI. Assuming equal transmit power for all users, we compare the achievable rate of the LMMSE receiver in the information-theoretic sense against the rates achieved by two different frequency reuse schemes, namely the conventional reuse scheme with single-cell processing and a reuse scheme that allows interference-free processing of signals from adjacent cells. We first compare the performance under a fixed path-gain model and then extend to a random fading model.

Published in:

Communications, 2007. ICC '07. IEEE International Conference on

Date of Conference:

24-28 June 2007