Design and analysis of cooperative wireless data access algorithms in multi-radio wireless networks

Kiwon Lee, Insun Jang, Sangheon Pack, Wonjun Lee

Research output: Contribution to journalArticlepeer-review

2 Citations (Scopus)


In the future, most mobile nodes will have multiple radio interfaces, and this feature can be exploited to reduce the transmission cost in wireless data access applications. In this work, we propose cooperative poll-each-read (CoopPER) and cooperative callback (CoopCB) wireless data access algorithms with strong consistency in multi-radio wireless networks. In addition, we investigate CoopPER and CoopCB in heterogeneous wireless networks where CoopPER and CoopCB nodes are mixed. Extensive simulations are done to show the effects of access-to-update ratio, data access pattern, cache size, and cooperation range. Simulation results demonstrate that CoopPER and CoopCB can significantly reduce the expensive transmission cost over wireless links.

Original languageEnglish
Pages (from-to)17-29
Number of pages13
JournalWireless Networks
Issue number1
Publication statusPublished - 2013 Jan

Bibliographical note

Funding Information:
Acknowledgments This work was supported in part by National Research Foundation of Korea Grant funded by the Korean Government (2009-0064397), in part by BLS project funded by Seoul Metropolitan City (Seoul R&BD Program WR080951), and in part by MEST, Korea under WCU (World Class University) Project (R33-2008-000-10044-0).


  • Cooperative callback (CoopCB)
  • Cooperative poll-each-read (CoopPER)
  • Cooperative wireless data access algorithm
  • Strong consistency

ASJC Scopus subject areas

  • Information Systems
  • Computer Networks and Communications
  • Electrical and Electronic Engineering


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