H - Electricity – 04 – Q
Patent
H - Electricity
04
Q
H04Q 7/38 (2006.01) H04Q 7/32 (2006.01)
Patent
CA 2188334
A powered down communication device locates a wireless service provider in a multi-service provider environment by examining frequency bands while powered down until a frequency band having an acceptable service provider is located. The frequency bands are examined in an order specified by a stored search schedule. An acceptable service provider is identified by comparing the identity of a service provider specified by an identifier received from a band being examined with a list of acceptable service providers. The communication device then registers with the acceptable service provider when powered up.
Bamburak Michael D.
Daly John J.
Lawrence Christopher Gregory
Prise Michael Edward
Raffel Michael Allen
At&t Mobility II Llc
At&t Wireless Services Inc.
Kirby Eades Gale Baker
LandOfFree
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