ABF-TDMA: an Adaptive Beamforming TDMA Protocol for Mobile Ad Hoc Networks

Authors:
ZHANG Guanghui;LI Jiandong;LI Changle;ZHOU Lei
Affiliations:
Xidian University, Xi'an, Shaanxi, 710071, China;Xidian University, Xi'an, Shaanxi, 710071, China;Xidian University, Xi'an, Shaanxi, 710071, China;Xidian University, Xi'an, Shaanxi, 710071, China
Venue:
AINA '06 Proceedings of the 20th International Conference on Advanced Information Networking and Applications - Volume 02
Year:
2006

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Abstract

A novel MAC protocol called adaptive beamforming time division multiple access (ABF-TFMA) for mobile ad hoc networks with smart antennas is proposed and analyzed. ABF-TDMA is based on TDMA and smart antenna and takes the advantage of collision-free reservation. After successful reservation and training, data packet can be transmitted from source node to destination node with adaptive beamform. We analyze the throughput and delay in ABF-TDMA for the case of a fully connected network with variable-length packets and different number of nodes. The simulation results show that ABF-TDMA can achieve high throughput and keep low delay in the traffic-load ranges of interest, especially when the average packet length and the number of nodes are large.