Summary

The handoff call management scheme reduces signaling traffic in the wireless ATM network and improves the efficiency of virtual channels. Chaining followed by make-break algorithm is a suitable handoff scheme for various situations. In the chaining part of the scheme, a chain routing algorithm is studied and compared with the HLS. The implemented algorithm improves the performance of the existing scheme in call-drop rates so as to reduce the signaling traffic in the WATM network. This method complies with the existing ATM signaling standard and its implementation leaves commercially ATM components unaffected. It considers the traffic condition when chaining and it is easy to implement in the chaining followed by the make-break scheme.

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