Performance of a burst-frame-based CSMA/CA protocol: analysis and enhancement

Authors:
Kejie Lu;Jianfeng Wang;Dapeng Wu;Yuguang Fang
Affiliations:
Department of Electrical and Computer Engineering, University of Puerto Rico at Mayagüez, Mayagüez, PR;Wireless Communications and Networking Department, Philips Research North America;Department of Electrical and Computer Engineering, University of Florida, Gainesville, FL;Department of Electrical and Computer Engineering, University of Florida, Gainesville, FL
Venue:
Wireless Networks
Year:
2009

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Abstract

In this paper, we develop an analytical model to evaluate the delay performance of the burst-frame-based CSMA/CA protocol under unsaturated conditions, which has not been fully addressed in the literature. Our delay analysis is unique in that we consider the end-to-end packet delay, which is the duration from the epoch that a packet enters the queue at the MAC layer of the transmitter side to the epoch that the packet is successfully received at the receiver side. The analytical results give excellent agreement with the simulation results, which represents the accuracy of our analytical model. The results also provide important guideline on how to set the parameters of the burst assembly policy. Based on these results, we further develop an efficient adaptive burst assembly policy so as to optimize the throughput and delay performance of the burst-frame-based CSMA/CA protocol.