Volume 5  Number 1 (2012)

CONTENTS

A Cluster based Approach to Improve Lifetime of Wireless Sensor Network using Global Positioning System

pp. 1-7

Authors: Lalit Saraswat and Dr. Sachin Kumar

Combined Network Security Model Using HPK Technique

pp. 9-16

Authors: M. Kishore Kumar, D.N.V. Syam Kumar, D. Srinivasa Rao and S. Raghunanda Reddy

Design of Simulink-VSA based Novel WiMAX Transceiver Model and its Quantitative Performance under Different Signal Processing Environments

pp. 17-44

Authors: Budhaditya Bhattacharyya, Iti Saha Misra and Salil Kumar Sanyal