NDLI: Next-generation indoor infrared LANs: issues and approaches

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Next-generation indoor infrared LANs: issues and approaches

Content Provider	IEEE Xplore Digital Library
Author	Ozugur, T. Copeland, J.A. Naghshineh, M. Kermani, P.
Copyright Year	1994
Abstract	The design issues for the next-generation wireless infrared systems are discussed. An advanced infrared system is proposed to provide reliable high-speed short-range wireless communication throughout indoor environments. In the physical layer, the range of communication is extended for L-PPM infrared links by using repetition rate coding, which greatly increases the symbol capture probability at the receiver. Repetition rate coding is used in an adaptive way to update the data rate over a channel based on the channel parameters. The receiver symbol capture characteristics and signal-to-noise ratio gain due to the use of a repetition rate scheme are presented. The infrared media access control layer must be designed to establish fair and robust communications over the proposed physical layer. The fairness problem is described in detail, including the impact of the topology on the performance of the wireless system. Balanced media access methods are presented as a solution to the fairness problem. The link access control layer uses retransmission to provide reliable connections over infrared links.
Starting Page	6
Ending Page	19
Page Count	14
File Size	1591764
File Format	PDF
ISSN	10709916
Volume Number	6
Issue Number	6
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	1999-12-01
Publisher Place	U.S.A.
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Optical fiber communication Physical layer Optical receivers Wireless communication Indoor environments Signal to noise ratio Media Access Protocol Robust control Topology Access control
Content Type	Text
Resource Type	Article
Subject	Media Technology

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