Method and system to optimise soft handover gain in networks

Details Method and system to optimise soft handover gain in networks Method and system to optimise soft handover gain in networks

2007-07-24

2007-07-24

Smith, Creighton H (Department: 2614)

Telecommunications

Radiotelephone system

Zoned or cellular telephone system

C455S436000, C455S443000

Reexamination Certificate

active

10465793

ABSTRACT:
The invention provides a method, system, and network entity for improving Soft Handover (SHO) Gain in networks, preferably in CDMA networks, comprising the step of determining the network performance in the UL (uplink) or in the DL (downlink), or both in the UL (uplink) and in the DL (downlink), and of measuring and tuning at least one or more of those parameters, preferably system outputs, that are directly related to SHO Gain, so as to control, preferably maximise, SHO Gain. The determination of the network performance provides an indicator of when and where SHO Gains are needed. The invention can be implemented in the RNC and/or BS and can e.g. be part of RAN, e.g. an UTRAN solution as well as IP RAN.

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Nagate et al., “An Integrated Approach for Performance Modeling and Evaluation of Soft Handoff in CDMA Mobile Cellular Systems,” Vehicular Technology Conference Fall 2000.

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