| 摘要 |
A method and apparatus for adapting the handoff threshold in a mobile communication system. The method includes the steps of evaluating the signal quality for the communication and lowering the dynamic threshold to encourage handoff if the signal quality indicator is lower than a preset quality threshold. The preset quality threshold represents a minimum acceptable signal quality level. The dynamic threshold may, in the alternative, be raised to discourage handoff if the signal quality indicator of the communication is at or near a maximum signal quality representing a signal having few errors. The apparatus includes means for scanning the radio environment at the mobile unit to evaluate signal strength and signal quality conditions of alternative channels in the same or neighboring cells, means for determining whether the mobile unit is participating in an off-hook communication or a standby communication, means for selecting a dynamic threshold corresponding to a signal strength value in accordance with the signal quality of the present communication and whether the signal quality is below or at a maximum or minimum value, and means for handing off the communication to an alternative channel if the signal strength of the channel measured at the mobile unit exceeds the dynamic threshold.
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