A TDMA-based bandwidth reservation protocol for QoS routing in a wireless mobile ad hoc network

Wen Hwa Liao*, Yu-Chee Tseng, Kuei Ping Shih

*Corresponding author for this work

Research output: Contribution to journalConference articlepeer-review

99 Scopus citations


This paper considers the bandwidth reservation problem in a mobile ad hoc network (MANET) to support QoS (quality-of-service) routing. We approach this problem by assuming a common channel shared by all hosts under a TDMA (Time Division Multiple Access) channel model. Existing solutions have addressed this problem by assuming a stronger multi-antenna model, where the bandwidth of a link is independent of the transmitting/receiving activities of its neighboring links, or a less stronger CDMA-over-TDMA channel model, where the use of a time slot on a link is only dependent of the status of its one-hop neighboring links. While more practical and less costly, using a TDMA model needs to face the challenge of radio interference problems. In this paper, we propose a new protocol that can reserve routes by addressing both the hidden-terminal and exposed-terminal problems. The protocol can conduct accurate bandwidth calculation while performing route discovery. Simulation results are presented to verify how this new protocol performs.

Original languageEnglish
Pages (from-to)3186-3190
Number of pages5
JournalIEEE International Conference on Communications
StatePublished - 1 Jan 2002
Event2002 International Conference on Communications (ICC 2002) - New York, NY, United States
Duration: 28 Apr 20022 May 2002


  • Mobile ad hoc network (MANET)
  • Quality-of-service (QoS)
  • Routing
  • Time Division Multiple Access (TDMA)

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