Frequency quality criteria for inter-frequency handover in a TD-CDMA communication system
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United States of America Patent
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May 29, 2012
Grant Date -
Aug 20, 2009
app pub date -
May 25, 2005
filing date -
Jul 14, 2004
priority date (Note) -
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Abstract
A method for determining whether to perform handover of a UE apparatus to a candidate cell and carrier frequency of a TD-CDMA telecommunications network (such as a TD-SCDMA network) based separately on coverage and capacity, using one decision metric for coverage (e.g. based on received signal code power for the candidate cell and carrier frequency) and a different decision metric for capacity (e.g. based on a quantity proportional to the received signal code power for the candidate cell and carrier frequency and inversely proportional to a measure of total interference in the candidate cell on the carrier frequency. Corresponding equipment and a computer program product are also provided. In deciding whether handover is needed based on capacity, a threshold for received signal code power may be used in addition to the metric for capacity.
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