Advances in wireless multimedia communication technologies enable new types of
pervasive and ubiquitous applications such as mobile health care, environmental …

We consider a situation where a video sequence is to be compressed and transmitted over a
wireless channel. Our goal is to limit the amount of distortion in the received video …

Rapid growth in wireless networks is fueling demand for video services from mobile users.
While the problem of transmitting video over unreliable channels has received some …

This paper presents a new power management technique aimed at increasing the energy
efficiency of client-server multimedia applications running on wireless portable devices. We …

Severe limitations in computational, memory, and energy resources make implementing
high-quality speech recognition in embedded devices a difficult challenge. In this article, the …

In wireless communication networks, an important issue that must be addressed is the
limited energy supply of a mobile device, especially in wireless video applications. In this …

This paper presents a new power management technique aimed at increasing the energy
efficiency of client-server multimedia applications running on wireless portable devices. We …

This paper presents a novel framework for streaming video over a Differentiated Services
(DiffServ) network that jointly considers video source coding, packet classification and error …

A power-distortion (PD) optimized coding mode-selection scheme is proposed for variable
bit rate videos in wireless code-division multiple-access (CDMA) systems. Unlike the …

The central theme of this dissertation is the study of a multimedia client for pervasive
wireless multimedia applications. Speech recognition is considered as one such application …