Mobility information for resource management in wireless ATM networks

ZUser mobility poses a significant technical challenge to network resource management in wireless ATM Asynchronous . Z .Transfer Mode networks. In order to guarantee quality of service QoS to mobile users and to achieve a high efficiency in network resource management, the information of mobile users' handoff at a future moment is essential for statistical multiplexing. This paper develops a novel fuzzy logic inference system to estimate the user mobility information for a Z .wireless ATM network which uses a direct sequence code division multiple access DSrCDMA protocol. The estimation is based on measured pilot signal strengths from a number of the nearest base stations by the mobile user. Numerical results are presented to demonstrate the performance of the proposed technique under various path losses and channel shadowing conditions. The proposed technique can achieve simplicity, accuracy and low cost. q 1999 Elsevier Science B.V. All rights reserved.

• Type: Journal
• Year: 1999
• Where: CN
• Authors: Xuemin Shen, Jon W. Mark
• Keywords: CN 1999, Mobile User, Resource Management, Significant Technical Challenge