• ISSN 0258-2724
  • CN 51-1277/U
  • EI Compendex
  • Scopus
  • Indexed by Core Journals of China, Chinese S&T Journal Citation Reports
  • Chinese S&T Journal Citation Reports
  • Chinese Science Citation Database
Volume 25 Issue 1
Mar.  2012
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Article Contents
LI Zhijie,  , FANG Xuming. Method of Cross-Layer Performance Optimization in Wireless Multi-hop Networks[J]. Journal of Southwest Jiaotong University, 2012, 25(1): 12-18,31. doi: 10.3969/j.issn.0258-2724.2012.021.01.003
Citation: LI Zhijie,  , FANG Xuming. Method of Cross-Layer Performance Optimization in Wireless Multi-hop Networks[J]. Journal of Southwest Jiaotong University, 2012, 25(1): 12-18,31. doi: 10.3969/j.issn.0258-2724.2012.021.01.003

Method of Cross-Layer Performance Optimization in Wireless Multi-hop Networks

doi: 10.3969/j.issn.0258-2724.2012.021.01.003
  • Received Date: 30 Jul 2010
  • Publish Date: 25 Feb 2012
  • In order to meet the different performance requirements of traffics in wireless mesh network and Ad Hoc network, a cross-layer optimization algorithm was proposed. An adaptive modulation and coding method to keep constant average packet error rate was presented, and the performance of traffics was analyzed based on the channel, collision, buffer size and traffic characteristics. An optimization algorithm was given by tuning the packet error rate, optimizing throughputs and a weighted optimization to meet the different requirements of throughouts and delays. This algorithm integrates the parameters of physical layer, media access control layer and link layer and the requirement of traffics. In addition, a simulation was carried out to validate the correctness of the proposed algorithm. The research result shows that the proposed algorithm decreases packet drop rate about 35.3%, and drops delay about 65.6% relative to the fixed packet error rate under the given parameters.

     

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