Rate adaptation is a mechanism unspecified by the 802.11 standards, yet critical to the
system performance by exploiting the multi-rate capability at the physical layer. I n this …

• 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 …

Increasingly, 802.11 devices are being used by mobile users. This results in very dynamic
wireless channels that are difficult to use efficiently. Current rate selection algorithms are …

Rate adaptation varies the transmission rate of a wireless sender to match the wireless
channel conditions, in order to achieve the best possible performance. It is a key component …

This paper proposes to exploit physical layer information towards improved rate selection in
wireless networks. While existing schemes pick good transmission rates, this paper takes a …

This paper addresses a movement-aware vertical (MAV) handover algorithm between
WLAN and Mobile WiMAX for seamless ubiquitous access. An MAV handover algorithm is …

The majority of existing wireless rate controls are based on the implicit assumption that
frames are corrupted due to the random, arbitrary environmental and thermal noises. They …

Existing rate adaptation algorithms can broadly be classified under two categories:(a) signal
to noise ratio measurement based and (b) statistical count based. While the former suffers …

This article introduces multi-formalism modelling and meta-modelling to facilitate computer
assisted modelling and simulation of complex systems. To aid in the automatic generation of …

In this paper we address the issue of joint routing, channel assignment, scheduling and link
rate allocation in multi-rate multi-channel wireless networks with the goal of increasing …