Communication system employing multiple handoff criteria

Details Communication system employing multiple handoff criteria Communication system employing multiple handoff criteria

2006-06-06

2006-06-06

Jung, Min (Department: 2663)

Multiplex communications

Communication over free space

Having a plurality of contiguous regions served by...

C455S437000, C455S442000

Reexamination Certificate

active

07058035

ABSTRACT:
Disclosed herein is a communication system which manages guarantee of service (GOS) requirements for various users while efficiently managing backhaul network traffic and optimizing overall system capacity. In one aspect, armed handoff is used to transmit forward link data from a single base station to a particular mobile station as long as certain minimum requirements are met, such as minimum data throughput, minimum data rate, and GOS requirements. If these criteria are not met, soft and softer handoff can be employed to transmit forward link data from one or more base stations to a particular mobile station until the conditions for armed handoff are met. In another aspect, the test to add a base station sector to the active set differs based on whether other sectors of that base station already exist in the active set. The test is less stringent when a sector is not the first of its base station to enter the active set, and more stringent when it is the first.

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