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MAC-ASA: A New MAC Protocol for WMNs Roberto Santamaria, Olivier Bourdeau, Tricha Anjali
 

Summary: MAC-ASA: A New MAC Protocol for WMNs
Roberto SantamarŽia, Olivier Bourdeau, Tricha Anjali
Department of Electrical and Computer Engineering
Illinois Institute of Technology
Chicago, Illinois 60616
Email: (rsantama, obourdea, anjali)@iit.edu
Abstract--This paper presents a novel Medium Access Control
(MAC) protocol intended to provide multi-hop Wireless Mesh
Networks with a higher throughput. The proposed MAC-ASA
(Medium Access Control with Anticipated Scheduling and Agree-
ment) protocol uses a modified version of the 802.11 CSMA/CA
contention handling procedure integrated with a dynamic (Time
Division Multiple Access) TDMA-like protocol structure. It com-
bines distributed link scheduling algorithm with power control
support for router - router communications with a self agreement
protocol for the client - router communications. In addition,
the proposed algorithm solves the "exposed node" problem by
applying multiple frequencies and time saving policies. These
features result in a significant improvement of the throughput in
many scenarios. Performance results from an OPNET model are

  

Source: Anjali, Tricha - Department of Electrical and Computer Engineering, Illinois Institute of Technology

 

Collections: Computer Technologies and Information Sciences; Engineering