A new MAC protocol with Pseudo-TDMA behavior for supporting quality of service in 802.11 wireless LANs

Abstract

A new medium access control (MAC) protocol is proposed forquality-of- service (QoS) support in wireless local area networks(WLAN). The protocol is an alternative to the recent enhancement802.11e. A new priority policy provides the system with betterperformance by simulating time division multiple access (TDMA)functionality. Collisions are reduced and starvation oflow-priority classes is prevented by a distributed admissioncontrol algorithm. The model performance is found analyticallyextending previous work on this matter. The results show that abetter organization of resources is achieved through this scheme.Throughput analysis is verified with OPNET simulations.