Motorola Corporation

Pablo Marcilla

David S Seekins

Mitchell E Renko

A communication device (100) contains a plurality of bandmaps in a memory (102). Upon powering up the device, the device first scans frequencies listed in a learned bandmap (104). If no suitable carrier signals are detected, the device scans the frequencies listed in a present regional bandmap (106), and this scan may be repeated several times. Upon failing to detect a suitable carrier at any of the frequencies listed in the present regional bandmap, the device alternates between scanning the present regional bandmap and segments of a world wide bandmap (108), which is a comprehensive list of all possible frequencies at which the device may operate. If a carrier is detected indicating the device is in a new region, the regional bandmap corresponding to the new region is set to be used as the present regional bandmap.

Growing community of inventors

Coral Springs, FL, United States of America

Pablo Marcilla