feedback rates | Sciweavers

JSAC
2008

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Limited feedback schemes for downlink OFDMA based on sub-channel groups

13 years 4 months ago

Abstract--In a downlink Orthogonal Frequency Division Multiple Access (OFDMA) system, optimally allocating sub-channels across mobile users can require excessive feedback of channe...

Jieying Chen, Randall A. Berry, Michael L. Honig

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CISS
2007
IEEE

127views Information Technology» more CISS 2007»

How Many Users should be Turned On in a Multi-Antenna Broadcast Channel

13 years 8 months ago

Download ecee.colorado.edu

This paper considers broadcast channels with L antennas at the base station and m single-antenna users, where each user has perfect channel knowledge and the base station obtains c...

Wei Dai, Youjian Liu, Brian Rider

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