ON THE MAC PERFORMANCE OF MULTIMEDIA WIRELESS NETWORKS SELF-ORGANIZING BROADBAND MULTIHOP

This paper evaluates and compares MAC (medium access control) performance of ETSI HiperLAN/2 (H/2), IEEE 802.11 and W-CHAMB using stochastic computer simulations. H/2 adopts a fully centralized scheduler-oriented MAC approach that has best traffic performance in fully connected small networks. IEEE 802.11 uses a packet-oriented CSMA/CA MAC solution that is inefficient for short to medium packets, and cannot guarantee QoS in a multihop networking environment. COMNETS W-CHAMB supports high performance real time traffic services in multihop networks and achieves a high efficiency for short PDU trains.

[1]  Bangnan Xu,et al.  Design issues of self-organizing broadband wireless networks , 2001, Comput. Networks.

[2]  Bernhard Walke,et al.  Mobile Radio Networks , 1999 .

[3]  P. Schramm,et al.  Structure and performance of the HIPERLAN/2 physical layer , 1999, Gateway to 21st Century Communications Village. VTC 1999-Fall. IEEE VTS 50th Vehicular Technology Conference (Cat. No.99CH36324).

[4]  Nj Piscataway,et al.  Wireless LAN medium access control (MAC) and physical layer (PHY) specifications , 1996 .

[5]  Bangnan Xu,et al.  A New Air Interface Concept for Wireless Multimedia Communications beyond the 3rd Generation , 2002, Wirel. Pers. Commun..

[6]  Bangnan Xu,et al.  A multiple access protocol for ad-hoc wireless ATM multihop networks , 1999, 1999 IEEE 49th Vehicular Technology Conference (Cat. No.99CH36363).