Title:
PERFORMING AN IDLE MODE HANDOFF IN A WIRELESS COMMUNICATION DEVICE
Document Type and Number:
WIPO Patent Application WO2003045076
Kind Code:
A3
Abstract:
A Wireless Communication Device (WCD) inter-operates with a Code Division Multiple Access (CDMA) communication system. The WCD operates in an idle mode wherein the WCD transitions between a sleep state to conserve power and an awake state to receive one or more paging signals. The WCD attempts to reacquire a first pilot signal associated with a first paging signal that was previously being demodulated, and a second pilot signal that was previously being tracked. The WCD performs a handoff from the first paging signal to a second paging signal associated with the second pilot signal when the attempt to reacquire the first pilot signal fails and the attempt to reacquire the second pilot signal is successful.
Inventors:
ANDERSON JON J
NGAI FRANCIS
SALAMAN GLENN
GIBSON R NICHOLSON
NGAI FRANCIS
SALAMAN GLENN
GIBSON R NICHOLSON
Application Number:
PCT/US2002/036780
Publication Date:
March 04, 2004
Filing Date:
November 15, 2002
Export Citation:
Assignee:
QUALCOMM INC (US)
International Classes:
H04B1/46; H04B7/26; H04Q1/00; H04W52/02; H04W48/20; H04W68/00; (IPC1-7): H04Q7/38; H04Q7/32
Domestic Patent References:
| WO2000027158A1 | 2000-05-11 |
Foreign References:
| US5987012A | 1999-11-16 | |||
| EP0808034A2 | 1997-11-19 |
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