NDLI: Performance of Cooperative Transmission Schemes Using Distributed Antennas

Content Provider	IEEE Xplore Digital Library
Author	Euiseok Song Jonghyun Park Jaewon Kim Seongtaek Hwang Wonjin Sung
Copyright Year	2008
Description	Author affiliation: Sogang Univ., Seoul (Euiseok Song; Jonghyun Park; Jaewon Kim)
Abstract	Closed-form expressions for the ergodic capacity for downlink transmission of a distributed antenna system are derived, based on different cooperative transmission schemes including single-antenna transmission (SAT) and dual-antenna transmissions (DAT). For DAT, we consider space-time block coding (STBC) for the open-loop operation, and maximum ratio transmission (MRT) for the closed-loop operation. The probability density function (PDF) of the signal-to-interference ratio (SIR) for each scheme is presented, followed by the capacity expressions in terms of the received power components for the significant signal sources and the interference sources. The switching criteria among the transmission schemes are proposed and used for evaluating the capacity gain over the conventional SAT. The derived results are verified via Monte-Carlo simulations in a Rayleigh fading environment, for a given geographic location of the mobile station (MS). It is also demonstrated that an instantaneous adaptation of the transmission schemes, if applicable, can provide further capacity improvement over individual transmission schemes.
Starting Page	41
Ending Page	45
File Size	204730
Page Count	5
File Format	PDF
ISBN	9781424414567
e-ISBN	9781424414574
DOI	10.1109/ccnc08.2007.15
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2008-01-10
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Transmitting antennas Diversity reception Feedback Block codes Rayleigh channels Wireless communication Relays Frequency Research and development Downlink
Content Type	Text
Resource Type	Article

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