Referenced Items are not available for this document.
We consider a downlink wireless system with a multi-antenna base station (BS) and single-antenna users. The error in the channel knowledge at the BS is assumed to have Gaussian distribution. Power allocation strategies are designed in order to satisfy the users' quality-of-service targets with certain probabilities. Conservative solutions of the problems are found by applying the Vysochanskii-Petunin inequality in combination with the theory of interference functions. Significant performance improvements are obtained comparing with methods based on the worst-case optimization.
Published in:
Signal Processing Letters, IEEE
(Volume:16
,
Issue:
5
)
Date of Publication: May 2009
- Page(s):
- 346 - 349
- ISSN :
- 1070-9908
- INSPEC Accession Number:
- 10545579
- Digital Object Identifier :
- 10.1109/LSP.2009.2016007
- Product Type:
- Journals & Magazines
- Date of Current Version :
- 16 March 2009
- Issue Date :
- May 2009
- Sponsored by :
- IEEE Signal Processing Society
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