Powered down selection of a preferable wireless communications s

Details Powered down selection of a preferable wireless communications s Powered down selection of a preferable wireless communications s

1995-12-12

2000-02-15

To, Doris H.

Telecommunications

Radiotelephone system

Zoned or cellular telephone system

455454, 455455, 455517, 455552, 455343, H04B 100

Patent

active

060262990

ABSTRACT:
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.

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patent: 5020091 (1991-05-01), Krolopp et al.
patent: 5159625 (1992-10-01), Zicker
patent: 5404355 (1995-04-01), Raith
patent: 5406643 (1995-04-01), Burke et al.
patent: 5412375 (1995-05-01), Wood
patent: 5442806 (1995-08-01), Barber et al.
patent: 5586338 (1996-12-01), Lynch et al.
patent: 5590397 (1996-12-01), Kojima
patent: 5613208 (1997-03-01), Blackman et al.

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