资料介绍
GSM 原理H
GSM Basics, An Introduction
QMD Field Training Event Queensferry Microwave Division Updated by Angela Cairns November 1998
1997 Hewlett-Packard Company
10001506.sam
GSM Basics, An Introduction
H
GSM Basics, An Introduction
GS
2 3 5 6
M
1 4 7
8 * 9 0
#
GSM900 DCS1800 PCS1900
H
Queensferry Microwave Division
The Global System for Mobile communications (GSM) is a huge, rapidly expanding and successful technology. Less than five years ago, there were a few 10's of companies working on GSM. Each of these companies had a few GSM experts who brought knowledge back from the European Telecommunications Standards Institute (ETSI) committees designing the GSM specification. Now there are 100's of companies working on GSM and 1000's of GSM experts. GSM is no longer state-of-the-art. It
我要上传