Adaptive RF link failure handler

Details Adaptive RF link failure handler Adaptive RF link failure handler

2002-12-31

2009-02-10

Nguyen, Tu X (Department: 2618)

Telecommunications

Radiotelephone system

Zoned or cellular telephone system

C455S437000

Reexamination Certificate

active

07489928

ABSTRACT:
A method for preventing radio frequency (RF) link failures in a radio telecommunication network. The network includes at least one base station (402) and at least one subscriber unit (SU) (406) which are capable of sending and receiving RF link signals. The method provides for monitoring the RF link between the base station (402) and the SU (406) and determining if the RF link is failing (216), and if so, taking corrective action to maintain the RF Link. The method provides for storing information about the RF Link failure and the corrective action taken (224) and utilizes the corrective action taken in prior RF Link failures to prevent future RF Link failures. The method provides for determining that an old corrective action for improving the RF Link channel quality no longer improves the RF Link channel quality and, therefore, provides for discarding the old corrective action in favor of a new corrective action (234).

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