Contact management for mobile communication devices in wireless packet switched networks

摘要

A method and apparatus for maintaining contact with a wireless communication network is described which comprises, in a mobile communication device, the acts of: maintaining a message decode history list; comparing the message decode history list and a predetermined network paging pattern; and transmitting an update message which informs the network of the mobile communication device in response to identifying that one or more unsuccessful message decode periods in the message decode history list overlap with all page transmission periods in the predetermined network paging pattern.