UMTS Networks and Beyond This a book onMobi le Communi cation Netw orks, in p articular the Univers al Mobi le Teleco mmunica tion Sy stem (UMTS) and its successor technol ogies. UM TS is the successor of GSM, and is expected to b ecome one of

Our scheme eliminates the delay caused by cluster head election and enables nodes to start communication immediately after joining a cluster. Through simulation and analysis, our protocol is shown to possess good scalability, incur lower control