NDLI: On Collision-Tolerant Transmission with Directional Antennas

Content Provider	IEEE Xplore Digital Library
Author	Hong-Ning Dai Kam-Wing Ng Min-You Wu
Copyright Year	2008
Description	Author affiliation: Chinese Univ. of Hong Kong, Hong Kong (Hong-Ning Dai; Kam-Wing Ng)
Abstract	The application of directional antennas in wireless ad hoc networks brings numerous benefits, such as increased spatial reuse and mitigated interferences. Most MAC protocols with directional antennas are based on the RTS/CTS mechanism which works well in wireless ad hoc networks using omnidirectional antennas. However, RTS/CTS frames cannot mitigate the interference completely. Besides, they also contribute a lot to the performance overhead. This paper studies the problem from a new perspective. We have found that the transmission success probability under directional transmission and directional reception is quite high when the antenna beamwidth is quite narrow. Motivated by the analytical results, we design a lightweight MAC protocol without RTS/CTS frames. The preliminary results demonstrate that this new protocol performs better than MAC protocols based on the RTS/CTS mechanism. The results also show that a collision-tolerant transmission is feasible under the narrow beam configuration.
Starting Page	1968
Ending Page	1973
File Size	215515
Page Count	6
File Format	PDF
ISBN	9781424419975
ISSN	15253511
DOI	10.1109/WCNC.2008.350
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2008-03-31
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Directional antennas Interference Media Access Protocol Directive antennas Wireless networks Mobile ad hoc networks Deafness Degradation Transmitting antennas Data communication
Content Type	Text
Resource Type	Article

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