Radio transmission system comprising mobile telecommunication st

Details Radio transmission system comprising mobile telecommunication st Radio transmission system comprising mobile telecommunication st

1997-10-08

2000-04-04

Trost, William G.

Telecommunications

Radiotelephone system

Zoned or cellular telephone system

455426, 455436, 455502, H04B 116

Patent

active

060471808

ABSTRACT:
A communication system is disclosed having a mobile unit connectable to different networks. The mobile unit is subscribed to a subscriber network which is one of these different networks. The mobile unit is connected to the subscriber network when establishing a call. The mobile unit includes an analysis circuit for producing data related to the different networks. A communication circuit of the mobile unit communicates the data to a user for selecting an optimal network from the different networks to establish a call. The data includes time periods the mobile unit is synchronized to each of the different networks. The optimal network has the longest synchronized time period or the lowest cost.

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