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1. US20090212901 - Arrangement At A Mobile Data Unit

Office United States of America
Application Number 11665413
Application Date 12.10.2005
Publication Number 20090212901
Publication Date 27.08.2009
Publication Kind A1
IPC
G05B 23/02
GPHYSICS
05CONTROLLING; REGULATING
BCONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
23Testing or monitoring of control systems or parts thereof
02Electric testing or monitoring
H04L
HELECTRICITY
04ELECTRIC COMMUNICATION TECHNIQUE
LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
H04M 1/00
HELECTRICITY
04ELECTRIC COMMUNICATION TECHNIQUE
MTELEPHONIC COMMUNICATION
1Substation equipment, e.g. for use by subscribers
H04W 48/18
HELECTRICITY
04ELECTRIC COMMUNICATION TECHNIQUE
WWIRELESS COMMUNICATION NETWORKS
48Access restriction; Network selection; Access point selection
18Selecting a network or a communication service
Applicants Fält Communications AB
Inventors Langstrom Mikael
Westermark Per
Persson Patrick
Agents Pequignot + Myers LLC
Priority Data 0402505 14.10.2004 SE
Title
(EN) Arrangement At A Mobile Data Unit
Abstract
(EN)

The invention is based on a platform that has both hardware and software. The latter includes, amongst other things, an algorithm to solve the problem encountered when, on passing between countries and operators, data services have to roam between mobile networks. The invention handles and solves existing technical limitations such as existing roaming logic for switches between operators not taking into account: which services the “original” operator has activated; geographical coverage; different costs for different services; and, whether services other than speech can function in the selected network.