NDLI: WSN05-4: Medium Access Diversity with Uplink-Downlink Duality and Transmit Beamforming in Multiple-Antenna Wireless Networks

Content Provider	IEEE Xplore Digital Library
Author	Miao Zhao Zhenghao Zhang Yuanyuan Yang
Copyright Year	2006
Description	Author affiliation: Dept. of Electr. & Comput. Eng., Stony Brook Univ., Stony Brook, NY (Miao Zhao; Zhenghao Zhang; Yuanyuan Yang)
Abstract	In a multiuser wireless system, multiuser diversity for opportunistic scheduling has been extensively studied for high-rate data transmission. In this paper, we propose a novel MAC protocol named medium access diversity with uplink-downlink duality and transmit beamforming (MAD-UDD/TB). In addition to aggressively utilizing multiuser gains, it takes advantage of uplink-downlink duality and transmit beamforming, which are the transmitting and receiving strategies used in a multiple antenna environment for simultaneous packet transmissions to multiple distinct users. These techniques effectively leverage the effect of multiuser diversity and greatly improve network throughput by taking into account the opportunistic scheduling among multiple users to prioritize data transmissions. Extensive simulation results show that the proposed protocol achieves much better performance than other medium access diversity and auto rate schemes with minimal additional overhead.
Starting Page	1
Ending Page	5
File Size	201976
Page Count	5
File Format	PDF
ISBN	1424403561
ISSN	1930529X
DOI	10.1109/GLOCOM.2006.491
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2006-11-27
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Diversity methods Array signal processing Wireless networks Transmitting antennas Receiving antennas Downlink Throughput Wireless LAN Data communication Media Access Protocol
Content Type	Text
Resource Type	Article

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