A distributed MAC scheme supporting voice services in mobile ad hoc networks

Hai Jiang, Ping Wang, H. Vincent Poor, Weihua Zhuang

Research output: Contribution to journalArticle

3 Scopus citations

Abstract

Future mobile ad hoc networks are expected to support voice traffic. The requirement for small delay and jitter of voice traffic poses a significant challenge for medium access control (MAC) in such networks. User mobility presents unique difficulties in this context due to the associated dynamic path attenuation. In this paper, a MAC scheme for mobile ad hoc networks supporting voice traffic is proposed. With the aid of a low-power probe prior to DATA transmissions, resource reservation is achieved in a distributed manner, thus leading to small packet transmission delay and jitter. The proposed scheme can automatically adapt to dynamic path attenuation in a mobile environment. Statistical multiplexing of on/off voice traffic can also be achieved by partial resource reservation for off voice flows. Simulation results demonstrate the effectiveness of the proposed scheme.

Original languageEnglish (US)
Pages (from-to)547-558
Number of pages12
JournalWireless Communications and Mobile Computing
Volume10
Issue number4
DOIs
StatePublished - Apr 1 2010

All Science Journal Classification (ASJC) codes

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

Keywords

  • Code-division multiple access
  • Medium access control
  • Mobile ad hoc networks
  • Statistical multiplexing

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