NDLI: Performance of a two-hop cellular system with different power allocation schemes

Content Provider	IEEE Xplore Digital Library
Author	Zhang Jingmei Shao Chunju Wang Ying Zhang Ping
Copyright Year	2004
Description	Author affiliation: Wireless Technol. Innovation Labs, Beijing Univ. of Posts & Telecommun., China (Zhang Jingmei; Shao Chunju; Wang Ying; Zhang Ping)
Abstract	In future wireless communication systems, an architecture introducing wireless relaying technologies into the cellular infrastructure seems a promising approach to enlarge the coverage area and enhance the system capacity. The paper describes a two-hop cellular system, based on time division multiple access (TDMA), incorporated with a nonregenerative relaying station (NRRS), or a regenerative relaying station (RRS), where the RS works in time division duplex (TDD) mode. A general analysis of the system performance is provided in a multi-cell environment, where two power allocation schemes, optimal power allocation (OPA) and uniform power allocation (UPA), between the base station (BS) and the RS, are compared. Simulation results show that, compared with the single-hop system, the relaying system not only can obtain diversity gain and improve the performance, but also, with the OPA scheme and the proper arrangement of RSs, the performance gains can be further improved.
Starting Page	4538
Ending Page	4542
File Size	2009939
Page Count	5
File Format	PDF
ISBN	0780385217
ISSN	10903038
DOI	10.1109/VETECF.2004.1404938
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2004-09-26
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Power system relaying Relays Time division multiple access Wireless communication Performance analysis Diversity methods Performance gain Interference Technological innovation Electronic mail
Content Type	Text
Resource Type	Article

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