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ABC: A Simple Geographic Forwarding Scheme Capable of Bypassing Routing Holes in Sensor Networks

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4 Author(s)
Taekkyeun Lee ; Dept. of Comput. Sci. & Eng., State Univ. of New York at Buffalo, Buffalo, NY ; Chunming Qiao ; Demirbas, M. ; Jinhui Xu

Fast and energy-efficient message delivery is an ultimate goal in multi-hop wireless sensor networks. To help achieve this goal, we propose ABC, a simple geographic forwarding scheme capable of bypassing routing holes. ABC is a lightweight and reliable routing protocol in that nodes do not need to set up or maintain routing or neighbor tables; instead, ABC achieves lightweight routing via its "Angled relaying" mechanism and uses the "Backoff time and relay Cancellation" mechanism to reduce contention and the number of retransmissions. One unique feature of ABC is that a relayed message is used as an implicit ACK to a previous sender. Another unique feature of ABC is its routing hole bypassing mechanism based on reactive boundary recognition. In this paper we provide an extensive analysis of ABC in terms of average hop count and average delay per hop. Simulation results also show that ABC outperforms other protocols in terms of average delay and number of transmissions per message delivery.

Published in:

Computer Communications and Networks, 2008. ICCCN '08. Proceedings of 17th International Conference on

Date of Conference:

3-7 Aug. 2008