Up-Down Links Dualpath Greedy Routing Protocol for Wireless Sensor Networks

  • Authors:
  • Chen Xu;Lei Cao;Zhihua Bao;Shengliang Zhu;Guoan Zhang;Hui Zhou

  • Affiliations:
  • School of Electronic and Information Engineering, Nantong University, Nantong, China;School of Electronic and Information Engineering, Nantong University, Nantong, China and Department of Information Engineering, Jiangsu Mobile Communication Corporation (JMCC), Nanjing, China;School of Electronic and Information Engineering, Nantong University, Nantong, China;School of Electronic and Information Engineering, Nantong University, Nantong, China;School of Electronic and Information Engineering, Nantong University, Nantong, China;School of Electronic and Information Engineering, Nantong University, Nantong, China

  • Venue:
  • Wireless Personal Communications: An International Journal
  • Year:
  • 2012

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Abstract

Greedy geographic routing is attractive in wireless sensor networks because of its efficiency and scalability. This paper presents an up-down links dualpath greedy routing (UDLDGR) protocol for wireless sensor networks. The routing protocol not only reserves the features of greedy forwarding algorithm, which is simple, efficient, but also uses different relay nodes to serve as routing nodes for up and down routing paths, makes the energy consumption more balanced. The greatest advantage of UDLDGR is it trades off only small cost for the source node to obtain two different transmission paths information. The multipath strengthens the network reliability, such as load balancing and robustness to failures. Our simulation results show that UDLDGR can improve system lifetime by 20---100% compared to single path approaches.