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Networked MIMO with clustered linear precoding
Open accessAbstract
A clustered base transceiver station (BTS) coordination strategy is proposed for a large cellular MIMO network, which includes full intra-cluster coordination-to enhance the sum rate-and limited inter-cluster coordination-to reduce interference for the cluster edge users. Multi-cell block diagonalization is used to coordinate the transmissions across multiple BTSs in the same cluster. To satisfy per-BTS power constraints, three combined precoder and power allocation algorithms are proposed with different performance and complexity tradeoffs. For inter-cluster coordination, the coordination area is chosen to balance fairness for edge users and the achievable sum rate. It is shown that a small cluster size (about 7 cells) is sufficient to obtain most of the sum rate benefits from clustered coordination while greatly relieving channel feedback requirement. Simulations show that the proposed coordination strategy efficiently reduces interference and provides a considerable sum rate gain for cellular MIMO networks.
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Boyd, S., & Vandenberghe, L. (2004) · doi:10.1017/cbo9780511804441 · Cited by 56,601
Fundamentals of Wireless Communication
Tse, D., & Viswanath, P. (2005) · doi:10.1017/cbo9780511807213 · Cited by 13,162
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Metadata
- Authors
- Zhang, J., Chen, R., Andrews, J. G., Ghosh, A., & Heath, R. W.
- Venue
- IEEE Transactions on Wireless Communications
- Published
- 2009-04
- Volume
- 8
- Issue
- 4
- Pages
- 1910-1921
- ISSN
- 1536-1276 (ISSN-L)
- OpenAlex
- W2108662631
- Cited by
- 533
- References
- 2
- FWCI
- 47.52
- Type
- journal article
- Language
- en
- Open access
- green
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- Zhang, J., Chen, R., Andrews, J. G., Ghosh, A., & Heath, R. W. (2009). Networked MIMO with clustered linear precoding. IEEE Transactions on Wireless Communications. https://doi.org/10.1109/twc.2009.080180
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