mobile voting using global system for mobile communication gsm technology
GSM Global System for Mobiles
Ngày tải lên :
19/10/2013, 15:15
... (900)
35
35
124
10
10
45
2x7.2
2x7.2
2x25
460.4-467.6
488.8-496
869-894
450.4-457.6
478.8-486
824-849
GSM 450
GSM 480
GSM 850
Duplex
channels
Duplex
Spacing
BandDownlinkUplinkGSM systems
GSM Time
Division
Multiplex
Frame and Physical Channels
TS ... time-slots
BTS side
MSs side
BTS
TDMA Frame (4.615 ms)
3
TOPICS
ã GSM CONCEPTS
ã GSM SYSTEM ARCHITECTURE
ã IDENTITIES USED IN GSM
ã GSM CHANNELS
ã GSM RADIO LINK
ã MOBILITY MANAGEMENT
ã CALL MANAGEMENT
ã ... messages
ã International Mobile Equipment Identifier (IMEI)
38
GSM Architecture
HLR
VLR
EIR
AUC
MSC
B
S
C
B
S
C
SMSC
PSTN
VMSC
Mobile
Station
GSM
Air interface
OMCR
TRAU
Base Station System
Network and...
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Multiple Access Protocols for Mobile Communications - GPRS, UMTS and Beyond
Ngày tải lên :
02/03/2013, 16:59
... Control
MAHO Mobile Assisted Handover
MA Mobile Allocation (of radio frequency channels) in GSM
MAI Multiple Access Interference
MAIO Mobile Allocation Index Offset (for frequency hopping in GSM)
MBS Mobile ... Models for the Physical Layer and for User Traffic Generation 221
5.1 How to Account for the Physical Layer? 221
5.1.1 What to Account For and How? 221
5.1.2 Using Approximations for Error Performance ... references,
an appendix provides some useful information on GSM and UMTS standard documents.
1.1 AN INTRODUCTION TO CELLULAR COMMUNICATION SYSTEMS
5
(GSM) for instance features an SFH option, the...
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Using Ubuntu Server for System Imaging
Ngày tải lên :
19/10/2013, 02:20
... settings automatically.
CHAPTER 2
N
USING UBUNTU SERVER FOR SYSTEM IMAGING
39
Figure 2-4. For optimal performance, use one of the first four options; for optimal flexibility,
use the select-in- ...
N
USING UBUNTU SERVER FOR SYSTEM IMAGING
37
Setting Up the Server for Cloning
The following procedure, typically a one-time- only procedure, allows you to set up the
Clonezilla server for ... your environment is set up for
imaging. Basically, it comes down to two elements:
CHAPTER 2
N
USING UBUNTU SERVER FOR SYSTEM IMAGING
30
s !FASTDEDICATEDNETWORK FOR IMAGINGYOUDOABSOLUTELYWANT'IGABITORBETTER
This...
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IP for 3G - Networking Technologies for Mobile Communications
Ngày tải lên :
27/10/2013, 17:15
... spectrally efficient that 1G. GSM (Global System for Mobile
communication) has become the dominant 2G standard and roaming is now possible
between 150+ countries where GSM is deployed.
ã
3G - ... (Release 99) Architecture.
For readers familiar with the GSM, the MSC, G-MSC, HLR, and VLR (see Further reading
for more information on GSM) are simply the normal GSM components but with added ... (number of systems [9]).
2G systems have not stood still and are introducing higher-speed packet data services (so-
called 2.5G systems: the GSM 2.5G evolution is GPRS - GSM Packet Radio System) ....
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Tài liệu 68 Array Processing for Mobile Communications pdf
Ngày tải lên :
16/12/2013, 04:15
... Center for Telecom-
munications and Information Systems Laboratory, Stanford University, Stanford, CA, June
1994.
[2] Second workshop on smart antennas in wireless mobile communications, Center for ... selection performance analysis of a switched
multi-beamantenna systemin mobile communications environments, Stanford, CA,July 1995.
Second workshop on Smart Antennas in Wireless Mobile Communications.
[28] ... Telecom-
munications and Information Systems Laboratory, Stanford University, Stanford, CA, July
20-21, 1995.
[3] Third workshop on smart antennas in wireless mobile communications, Center for Telecom-
munications...
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Tài liệu Development of an Observe-By-Wire System for Forklifts Using Haptic Interfaces pptx
Ngày tải lên :
17/12/2013, 11:15
...
clearly shown that the OBW system could improve the
visibility as well as forklift performances.
2. OBSERVE BY WIRE FOR FORKLIFTS
2.1 System overview
Operating a forklift is a specialized ... transmit the view of forks’
environment in term of force feedback information, and
we named it as observe-by-wire system.
(a)
(b)
Fig. 2 The OBW system configuration, a forklift
lifts loads ... (5).
Fig. 3 The haptic interface is developed for the OBW
system
Fig. 4 The haptic interface is developed for the OBW
system
A fork system and working environment and control
algorithm...
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Tài liệu Sensors and Methods for Mobile Robot Positioning P2 pptx
Ngày tải lên :
22/12/2013, 20:16
... in the form of declination tables printed directly on the
maps or charts for any given locale.
Instruments which measure magnetic fields are known as magnetometers. For application to
mobile ... suitable for
mobile robot applications. In this section we introduce two such systems.
2.3.6.1 The Andrew “Autogyro"
Andrew Corp. [ANDREW] offers the low-cost Autogyro, shown in Figure 2.11, for ... in Table 2.1. Specifica-
tions for the 3ARG-A are similar. A more
detailed discussion of the Autogyro is given
46 Part I Sensors for Mobile Robot Positioning
Before we introduce different types...
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Tài liệu Sensors and Methods for Mobile Robot Positioning P1 pptx
Ngày tải lên :
22/12/2013, 20:16
... Laser Imaging System 115
4.2.2 ESP Optical Ranging System 116
4.2.3 Acuity Research AccuRange 3000 117
4.2.4 TRC Light Direction and Ranging System 119
4.2.5 Swiss Federal Institute of Technology& apos;s ... Lidar Performance 121
4.3 Frequency Modulation 123
Chapter 1: Sensors for Dead Reckoning 27
Figure 1.14: An 8-DOF platform with four wheels individually driven and steered.
This platform was ... relative to
a known starting position.
20 Part I Sensors for Mobile Robot Positioning
For completeness, we rewrite the well-known equations for odometry below (also, see [Klarer,
1988; Crowley and...
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Tài liệu Development of an Observe-By-Wire System for Forklifts Using Haptic Interfaces docx
Ngày tải lên :
23/12/2013, 00:15
...
clearly shown that the OBW system could improve the
visibility as well as forklift performances.
2. OBSERVE BY WIRE FOR FORKLIFTS
2.1 System overview
Operating a forklift is a specialized ... transmit the view of forks’
environment in term of force feedback information, and
we named it as observe-by-wire system.
(a)
(b)
Fig. 2 The OBW system configuration, a forklift
lifts loads ... loads to the third floor for stacking or storage.
(a): forklift operation; (b): distance measurement
using four distance sensors and feedback force
implementation using a DC motor.
The...
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Luận văn xây dựng ứng dụng từ điển cho mobile – dictionnary for mobile
Ngày tải lên :
08/01/2014, 21:20
... Virtual Machine
KLTN Khóa luận tốt nghiệp
KVM K Virtual Machine
MIDP Mobile Information Device Profile
MID Mobile Information Device
SDK Software Development Kit
1
MỞ ĐẦU
Trong ... John W. Muchow, Core J2ME Technology & MIDP, 2001, tr 95 – 203,
http://mobilesprogramming.wordpress.com/2010/01/24/core-j2me%E2%84%A2-
technology- midp/
[9] Oxford Learner’s Pocket Dictionary, ...
KHOA……………………….
[\[\
Báo cáo tốt nghiệp
Đề tài:
Xây dựng ứng dụng từ điển cho
Mobile – Dictionnary for Mobile
12
Hình 2-4: Kiến trúc của MIDP
Tầng cơ bản
- Local data...
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Tài liệu Symbian OS C++ for Mobile Phones doc
Ngày tải lên :
23/01/2014, 04:20
... of the text formatting engine for the Psion S5. He has also work
in the Web Browser and Core Apps teams where he rewrote most of the
Versit parser to greatly improve its performance. For seven ... unique number used by the GSM network to
identify valid devices
IPC Inter-Process Communication
ISR Interrupt-Service Routine
MBM Multi-bitmap file format; a graphics format used
by Symbian OS
Metrowerks ... after years of industrial experience in the telecommunications
domain. His current interests include mobile social networking, mobile
computing and mobile machine learning.
ABOUT THE AUTHORS...
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