NDLI: Spectrum Efficiency in Distributed Antenna Systems

Content Provider	IEEE Xplore Digital Library
Author	Huiling Zhu
Copyright Year	2011
Abstract	The distributed antenna system (DAS) is a promising system to provide high data rate for future wireless communications, since it can reduce the radio transmission distance. This paper aims to investigate the average spectrum efficiency and the cell edge spectrum efficiency in the downlink transmission of the DAS. Firstly, the approach of antenna unit selection for spatial diversity is presented in the DAS without frequency reuse. Then, to achieve high spectrum efficiency, frequency reuse is exploited in the DAS. In order to show the advantage of frequency reuse, the spectrum efficiency of the DAS with frequency reuse is theoretically compared with the DAS without frequency reuse. Numerical results show that reusing frequency in the DAS can increase the spectrum efficiency significantly. It also shows that when the frequency reuse area increases, the performance gain from the frequency reuse is impaired because of the increase of the co-channel interference.
Starting Page	1
Ending Page	5
File Size	389160
Page Count	5
File Format	PDF
ISBN	9781424492664
ISSN	1930529X
e-ISBN	9781424492688
e-ISBN	9781424492671
DOI	10.1109/GLOCOM.2011.6134371
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2011-12-05
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Macrocell networks Signal to noise ratio Interference Bandwidth Antenna arrays Frequency diversity Receivers
Content Type	Text
Resource Type	Article

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3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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