IEEE Transactions on Wireless

Cooperative Base Station Coloring for Pair-Wise Cluster Multiplexing

Coordination among base stations (BS) is a powerful approach for mitigating inter-cell interference and maximizing the sum spectral efficiency in cellular systems. In practice, however, coordination with a large number of BS may not be feasible due to excessive overheads associated with BS coordination, e.g., complexity, channel estimation and channel feedback. One practical solution for implementing multi-cell coordination is, therefore, to form a BS cluster so that a limited number of BS are coordinated to control intra-cluster interference with a reasonable amount of overhead.

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