NDLI: Protocols for efficient spatial reuse of traffic channels in DS spread-spectrum packet radio networks with directional antennas

Content Provider	IEEE Xplore Digital Library
Author	Swaminathan, A. Noneaker, D.L. Russell, H.B.
Copyright Year	2005
Description	Author affiliation: Holcombe Dept. of Electr. & Comput. Eng., Clemson Univ., SC, USA (Swaminathan, A.; Noneaker, D.L.; Russell, H.B.)
Abstract	Three simple, robust distributed channel-access protocols are presented that result in efficient spatial reuse of traffic channels in a direct-sequence spread-spectrum packet radio network consisting of an arbitrary mix of nodes with directional antennas and nodes with omnidirectional antennas. Each protocol uses an RTS/CTS channel-access control-packet exchange to negotiate the transmission of a data packet from a source node to its link-level destination on a traffic channel. In addition, each protocol includes a mechanism by which a negotiating node pair dynamically determines which in-use traffic channels in the local area should be treated as reserved and which should be treated as available for concurrent use. The performance of each of the three new protocols is compared with two existing implementations of the RTS/CTS channel-access protocol, both of which take a static approach to reuse of traffic channels. The performance of two of the new protocols is examined in detail. It is shown that both yield significantly better performance than either of the two static approaches and that the superior performance is achieved over a wide range of network conditions that include different network densities and different spread-spectrum processing gains.
Starting Page	2705
Ending Page	2712
File Size	1487991
Page Count	8
File Format	PDF
ISBN	0780393937
DOI	10.1109/MILCOM.2005.1606075
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2005-10-17
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Protocols Telecommunication traffic Intelligent networks Spread spectrum communication Packet radio networks Directional antennas Communication system traffic control Ad hoc networks Modulation Receivers
Content Type	Text
Resource Type	Article

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