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Power Management in Mobile Devices
book

Power Management in Mobile Devices

by Findlay Shearer
April 2011
Intermediate to advanced content levelIntermediate to advanced
336 pages
13h 59m
English
Newnes
Content preview from Power Management in Mobile Devices
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Energy Optimized Software
4.1.1 Modem Software
The protocol stack for a Global System for Mobile Communication (GSM) cellular
handset follows the basic concepts of the ISO OSI 7 layer stack in so much as it is a
layered architecture. The relationship between the layers as defi ned in the OSI model
and those in GSM are described in the following section along with a breakdown of the
functions performed by each layer ( Figure 4.3 ).
Mobile terminal software
Modem software
L3 Radio Resource
L2 Data link
L1 Control software
Application software
Application suite
UI framework
Hardware: Radio Baseband Applications processor
Middleware ...
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Publisher Resources

ISBN: 9780750679589