A cross-layer route discovery framework for mobile ad hoc networks

  • Authors:

  • Bosheng Zhou;Alan Marshall;Jieyi Wu;Tsung-Han Lee;Jiakang Liu

  • Affiliations:

  • Advanced Telecommunication Systems Laboratory, School of Electrical and Electronic Engineering, Queen's University of Belfast, Belfast, Northern Ireland, UK;Advanced Telecommunication Systems Laboratory, School of Electrical and Electronic Engineering, Queen's University of Belfast, Belfast, Northern Ireland, UK;Research Center of Computer Integrated Manufactural System, Southeast University, Nanjing, China;Advanced Telecommunication Systems Laboratory, School of Electrical and Electronic Engineering, Queen's University of Belfast, Belfast, Northern Ireland, UK;Advanced Telecommunication Systems Laboratory, School of Electrical and Electronic Engineering, Queen's University of Belfast, Belfast, Northern Ireland, UK

  • Venue:
  • EURASIP Journal on Wireless Communications and Networking
  • Year:
  • 2005

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Abstract

Most reactive routing protocols in MANETs employ a random delay between rebroadcasting route requests (RREQ) in order to avoid "broadcast storms." However this can lead to problems such as "next hop racing" and "rebroadcast redundancy." In addition to this, existing routing protocols for MANETs usually take a single routing strategy for all flows. This may lead to inefficient use of resources. In this paper we propose a cross-layer route discovery framework (CRDF) to address these problems by exploiting the cross-layer information. CRDF solves the above problems efficiently and enables a new technique: routing strategy automation (RoSAuto). RoSAuto refers to the technique that each source node automatically decides the routing strategy based on the application requirements and each intermediate node further adapts the routing strategy so that the network resource usage can be optimized. To demonstrate the effictiveness and the efficiency of CRDF, we design and evaluate a macrobian route discovery strategy under CRDF.