CF-MAC Protocol for Voice Communication in Wireless Ad-Hoc Networks

CF-MAC is an energy efficient collision-free MAC protocol for wireless ad-hoc networks, based on the theory of Balanced Incomplete Block Design (BIBD). It has been originally designed considering energy saving as primary aim. In this paper, using computer simulations, its ability to handle voice calls has been evaluated. Specifically, the Mean Opinion Score and the Cumulative Distribution Function of the one way packet delay have been analyzed, for various protocol parameters and network scenarios. Moreover, a comparison between CF-MAC and classical 802.11 DCF access function has been proposed. Simulation results have shown that by properly selecting protocol parameters, CF-MAC can effectively support VoIP calls.

[1]  G. Boggia,et al.  CF-MAC and H-MAC protocols for energy saving in wireless ad hoc networks , 2005, 2005 IEEE 61st Vehicular Technology Conference.

[2]  Fouad A. Tobagi,et al.  Capacity of an IEEE 802.11b wireless LAN supporting VoIP , 2004, 2004 IEEE International Conference on Communications (IEEE Cat. No.04CH37577).

[3]  Sachin Garg,et al.  Can I add a VoIP call? , 2003, IEEE International Conference on Communications, 2003. ICC '03..

[4]  Adam Wolisz,et al.  Voice transmission in an IEEE 802.11 WLAN based access network , 2001, WOWMOM '01.

[5]  Martin Nilsson,et al.  Investigating the energy consumption of a wireless network interface in an ad hoc networking environment , 2001, Proceedings IEEE INFOCOM 2001. Conference on Computer Communications. Twentieth Annual Joint Conference of the IEEE Computer and Communications Society (Cat. No.01CH37213).

[6]  Wayne E. Stark,et al.  Low-energy wireless communication network design , 2002, IEEE Wirel. Commun..

[7]  Wayne Goddard,et al.  A Synchronous Self-stabilizing Minimal Domination Protocol in an Arbitrary Network Graph , 2003, IWDC.

[8]  Robert G. Cole,et al.  Voice over IP performance monitoring , 2001, CCRV.