Autonomous connectivity between a mobile station and multiple network elements for minimizing service discontinuities during handovers in a wireless communication system
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United States of America Patent
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Issued Date -
Nov 26, 2009
app pub date -
May 21, 2008
filing date -
May 21, 2008
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A novel and useful autonomous connectivity mechanism for use in user equipment (UE) connectivity in one or more cellular communications systems. The handover process is optimized by improving the selection of target base stations and optimizing the discontinuity period from the time of disconnection from a serving base station and connection to a target base station. The mechanism facilitates multiple cell connectivity in a network unaware manner while preserving single endpoint connectivity. The UE does not need to negotiate for or receive pre-allocated opportunities from the network for making neighboring base stations measurements. Measurement opportunities are created by the UE autonomously in accordance with UE activity patterns. Measurement opportunities are used to measure and maintain a candidate target base station list over the same or a plurality of access technologies. The parameter set tracked includes parameters that can be measured without any assistance from the target base station and which can effect the handover process, e.g., link quality, etc.
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