Peter Stuckmann
Subtitle: The GSM Evolution - Mobile Packet Data Services
Publisher: Wiley
Published: November 15, 2002
Language: eng
Number of pages: 252
ISBN-13: 9780470848555
First sentence: Since the introduction of digital cellular radio networks in the 1990s that were the successor of analog cellular telephone systems, the subscriber numbers and usage of mobile telephony services have grown exponentially worldwide.