H - Electricity – 04 – W
Patent
H - Electricity
04
W
H04W 24/00 (2009.01) H04W 36/18 (2009.01)
Patent
CA 2602361
A method and apparatus for providing soft hand-off in a mobile communication system. In current systems, members of an active set of base stations (4, 4A, 4B, 4C) are determined by comparing measured pilot energy with fixed thresholds. The value of providing a redundant communication link to a mobile station (2) primarily depends on the energy of other signals being provided to the mobile station (2). In the present invention, the signal strength of each signal transmitted by other base stations (4, 4A, 4B, 4C) in communication with a mobile station (2) is considered when determining whether to add a base station to the set of base stations (4, 4A, 4B, 4C) in communication with the remote station. A base station is added only if the signal received from that base station provides sufficient added value to justify the impact on system capacity.
Padovani Roberto
Quick Roy F.
Qualcomm Incorporated
Smart & Biggar
LandOfFree
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