With the advances in wireless technologies and the explosive growth of the Internet,
wireless networks, especially Wireless Mesh Networks (WMNs), are going through an …

In multihop wireless ad-hoc networks, the medium access control (MAC) protocol plays a
key role in coordinating the access to the shared medium among wireless nodes. Currently …

Today, three different physical (PHY) layers for the IEEE 802.11 WLAN are available (802.11
a/b/g); they all provide multi-rate capabilities. To achieve a high performance under varying …

In this paper, a comprehensive overview of the new features of an upcoming new standard
IEEE 802.11 e to support Quality of Service (QoS) in Wireless Local Area Networks (WLANs) …

Link adaptation to dynamically select the data transmission rate at a given time has been
recognized as an effective way to improve the goodput performance of the IEEE 802.11 …

• If two consecutive ACK frames are not received correctly, the second retry and subsequent
transmissions are done at a lower rate and a timer is started.• When the number of …

IEEE 802.11 wireless local area network (WLAN) physical layers (PHYs) support multiple
transmission rates. The PHY rate to be used for a particular frame transmission is solely …

Wireless mesh networks are expected to be widely used to provide Internet access in the
near future. In order to fulfill the expectations, these networks should provide high …

This paper describes the Multi-Radio Diversity (MRD) wireless system, which uses path
diversity to improve loss resilience in wireless local area networks WLANs). MRD …

Robust streaming of video over 802.11 wireless local area networks poses many
challenges, including coping with bandwidth variations, data losses, and heterogeneity of …