A MAC layer protocol for wireless networks with asymmetric links

Authors:
Guoqiang Wang;Damla Turgut;Ladislau Bölöni;Yongchang Ji;Dan C. Marinescu
Affiliations:
School of Electrical Engineering and Computer Science, University of Central Florida, Orlando, FL 32816-2450, USA;School of Electrical Engineering and Computer Science, University of Central Florida, Orlando, FL 32816-2450, USA;School of Electrical Engineering and Computer Science, University of Central Florida, Orlando, FL 32816-2450, USA;School of Electrical Engineering and Computer Science, University of Central Florida, Orlando, FL 32816-2450, USA;School of Electrical Engineering and Computer Science, University of Central Florida, Orlando, FL 32816-2450, USA
Venue:
Ad Hoc Networks
Year:
2008

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Abstract

We introduce AsyMAC, a MAC layer protocol for wireless networks with asymmetric links and study a protocol stack consisting of AsyMAC and the A^4LP routing protocol. The two protocols are able to maintain connectivity where the standard IEEE 802.11 MAC protocol coupled with either AODV or OLSR routing protocols may loose connectivity. A comparative study shows that AsyMAC improves on two previously proposed protocols' accuracy in determining the nodes to be silenced to prevent collisions.