Method for supporting rescue channels in a communications...

Details Method for supporting rescue channels in a communications... Method for supporting rescue channels in a communications...

2006-07-25

2006-07-25

Beamer, Temica (Department: 2617)

Telecommunications

Radiotelephone system

Zoned or cellular telephone system

C455S067110, C455S226200

Reexamination Certificate

active

07082303

ABSTRACT:
A method for supporting rescue channels in a communications system. The rescue channel feature supports the use of pre-allocated radio resources at neighboring BSs104, 106in order to attempt to recover a voice call in danger of being dropped. The MS114disables its transmitter upon detection of a loss of forward frames from the network. Once the source BS102detects a loss of transmission from the MS114,it may attempt to re-establish communication with the MS114by performing soft handoff additions to rescue cells at neighboring BSs. The neighboring BSs are the MS's neighbor list, last reported Extended Pilot Strength Measurement Message (EPSMM), and possibly other factors.

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Semper, Bill “Support for Rescue Chaneel in IOS V4.2 r1”. Samsung Electronics Co., Ltd. 2001, no month listed.

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