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|a Govindasamy, Siddhartan
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|a Lincoln Laboratory
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|a Massachusetts Institute of Technology. Research Laboratory of Electronics
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|a Bliss, Daniel W. Jr.
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|a Staelin, David H.
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|a Bliss, Daniel W., Jr.
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|a Staelin, David H.
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|a Spectral-efficiency of multi-antenna links in ad-hoc wireless networks with limited Tx CSI
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|b Institute of Electrical and Electronics Engineers (IEEE),
|c 2012-09-21T18:24:58Z.
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|z Get fulltext
|u http://hdl.handle.net/1721.1/73108
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|a An asymptotic expression is derived for the mean spectral efficiency of multi-antenna links randomly distributed on a plane in a uniform manner where transmitters (Tx) have Channel-State-Information (CSI) of the channels between themselves and their target receivers while receivers (Rx) have CSI between themselves and all transmitters. The mean per-link spectral efficiency in the network is found to increase if nodes transmit using a subset of their strongest channel modes instead of the link-optimal strategy of water-filling on all channel modes (Farrokhi et al.). For reasonable parameters, this system which requires limited Tx CSI, has approximately double the mean spectral efficiency of systems without Tx CSI.
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|a National Science Foundation (U.S.). (Grant number ANI-0333902)
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|a en_US
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|a Article
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|t Proceedings of the Conference Record of the Forty-Third Asilomar Conference on Signals, Systems and Computers 2009
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