International Journal of Pervasive Computing and Communications: Volume 4 Issue 2

A fuzzy service adaptation engine for context‐aware mobile computing middleware

Ronnie Cheung, Gang Yao, Jiannong Cao, Alvin Chan

Context‐aware mobile computing extends the horizons of the conventional computing model to a ubiquitous computing environment that serves users at anytime, anywhere. To achieve…

Scalable and adaptive context delivery mechanism for context‐aware computing

Lenin Mehedy, Sungyoung Lee, Salahuddin Muhammad Salim Zabir, Young‐Koo Lee

Presence of innumerable sensors, complex deduction of contexts from sensor data, and reusability of contextual information impose the requirement of middleware for context aware…

A simple dynamic clustering approach to achieve energy efficiency for wireless sensor networks

Giljae Lee, Yoonjoo Kwon, Woojin Seok, Minsun Lee

Recent wireless communication and electronics technology has enabled the development of low‐cost, low‐power, and multi‐functional sensor nodes. However, the fact that sensor nodes…

Traffic adaptive IEEE 802.15.4 medium access control

Yohan Chae, Younggoo Kwon

IEEE 802.15.4 is a new standard uniquely designed for low‐rate wireless sensor networks (WSNs). It targets low data rate, low power consumption and low‐cost wireless networking…

Broadcasting four types of reports to read only transactions in mobile computing environments

Daein Kim, Buhyun Hwang

Recently the advances in wireless communication technology and the popularity of portable computers have rendered mobile computing environments from which mobile users with…

A speech and character combined recognition engine for mobile devices

Soo‐Young Suk, Hyun‐Yeol Chung

The purpose of this paper is to describe a speech and character combined recognition engine (SCCRE) developed for working on personal digital assistants (PDAs) or on mobile…

Guest editorial