Title :
Quality of service aware MAC based on IEEE 802.11 for multihop ad-hoc networks
Author :
Sivavakeesar, S. ; Pavlou, G.
Author_Institution :
Center for Commun. Syst. Res., Surrey Univ., Guildford, UK
Abstract :
Real-time multimedia applications necessitate predictable network resources. Quality of service (QoS) support for such applications in mobile ad hoc networks (MANETs) requires acceptable channel conditions, QoS-aware mechanisms for channel access, identification of proper forwarding (transit) nodes, as well as measures for congestion prevention and management in those nodes. This paper proposes a new QoS-aware medium access control (MAC) protocol that takes the above requirements into consideration. This novel protocol is based on the legacy IEEE 802.11, and thus can be easily integrated into existing systems without much difficulty. Simulation results confirm that our approach results in improved throughput for real-time periodic traffic, while providing deterministic delay performance.
Keywords :
access protocols; ad hoc networks; mobile radio; multimedia communication; quality of service; telecommunication congestion control; telecommunication network management; telecommunication traffic; wireless LAN; IEEE 802.11; MAC; channel access condition; channel identification; congestion management; congestion prevention; delay performance; medium access control protocol; multihop ad-hoc network; network resource; quality of service; real-time multimedia application; real-time periodic traffic; transit node; Access protocols; Ad hoc networks; Delay; Media Access Protocol; Mobile ad hoc networks; Quality management; Quality of service; Spread spectrum communication; Throughput; Traffic control;
Conference_Titel :
Wireless Communications and Networking Conference, 2004. WCNC. 2004 IEEE
Print_ISBN :
0-7803-8344-3
DOI :
10.1109/WCNC.2004.1311662
