global system for mobile communications pdf
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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Multiple Access Protocols for Mobile Communications - GPRS, UMTS and Beyond
Ngày tải lên :
02/03/2013, 16:59
... which are discussed extensively
in Chapter 4.
For one 2G system called cdmaOne and most 3G systems, e.g. the Universal Mobile
Telecommunications System (UMTS), DS/CDMA was chosen as a basic multiple ... Communication Systems 25
2.2.1 Analogue First Generation Cellular Systems 25
2.2.2 Digital Second Generation Systems 25
2.3 First 3G Systems 27
2.3.1 Requirements for 3G 27
2.3.2 Evolution of 2G Systems ... 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...
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GSM Global System for Mobiles
Ngày tải lên :
19/10/2013, 15:15
... Network
OMC
AUC
HLR
MSC
EIRVLR
BSC
BTS
MS
External
PSTN &
PDN N/W
SS
BSS
Switching
System
Base Station
System
MS
Mobile Station
BTS
Base transceiver System
BSC
Base Station Controller
MSC
Mobile Switching Center
HLR
Home Location ... 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 ... Circuit Switched Data
EDGE = Enhanced Data rate for GSM Evolution
UMTS = Universal Mobile Telecommunication System
10 sec 1 min 10 min 1 hour0
UMTS
E/GPRS
ISDN
PSTN
GSM
webe-mail photo
web photo
e-mail
web...
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IP for 3G - Networking Technologies for Mobile Communications
Ngày tải lên :
27/10/2013, 17:15
... bibliographical references and index.
ISBN 0-471-48697-3
1. Wireless Internet. 2. Global system for mobile communications. 3. TCP/IP (Computer
network protocol) I. Eardley, Philip. II. Burness, ... paths for
them are handled by the SGSN.
1.2.3 IP for 3G
What is meant by IP for 3G? 3G systems will include IP multimedia allowing the user to
browse the Internet, send e-mails, and so forth. ... being captured for malicious use and impersonation of
users.
One, final, level of security is performed on the mobile equipment itself, as opposed to the
mobile subscriber (for example, putting...
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Tài liệu T24 – Giải pháp ngân hàng trung tâm thế hệ mới đối với phát triển bền vững - New Generation Core Banking System For Sustained Growth pdf
Ngày tải lên :
15/01/2014, 15:59
... build a core banking
system !!!
Before
ã
Single Server
Architecture
ã
End of Day Batch
Window
ã
Performance Limits
Reached
ã
Multi-company
ã
LD/ PD
Techcombank before and after
T24 Upgrade
After
ã
Multi-server ...
policy
ã
Long term strategy
New Generation Core Banking
System For Sustained Growth
A Solution with Temenos T24
Nguyễn Hướng Minh
Deputy Director
Center for Technology based Product Development and Application
Techcombank
... servicing for customer
transactions
ã Reduce costs and drive economies
of scale through shared best
practice
Align Core System Strategies to
Business Imperatives
Sample IT Implications
ã
Systems...
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Tài liệu A Knowledge Management System for ERP Implementation pdf
Ngày tải lên :
16/01/2014, 16:33
... integrated KM system is proposed.
The system consists of cooperative working plat-
form, knowledge transfer platform, individual
KM platform, org anizational KM platform and
consulting platform. The ... proposes a KM system that consists of cooperative working platform, consulting
platform, individual KM platform, organizational KM platform, and knowledge transfer
platform. This system can effectively ... Lastly, a KM system is proposed
that consists of cooperative working platform,
consulting platform, individual KM platform ,
organizational KM platform, and knowledge
transfer platform. This system...
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Báo cáo khoa học: "PENS: A Machine-aided English Writing System for Chinese Users" pdf
Ngày tải lên :
08/03/2014, 05:20
... words of
their original form, while they should be of
different forms in different contexts. We exploit
morphology for this purpose, and expand each
word to all possible forms. For instance,
inflections ... labelled all 964 sentences, we
performed the sentence retrieval module on the
sentence set, that is, PENS retrieved example
sentences for each of the 50 queries. Therefore,
for each query, we compared ... PAT-Tree-Based Adaptive
Keyphrase Extraction for Intelligent Chinese
Information Retrieval. Special issue on
“Information Retrieval with Asian Language”
Information Processing and Management, 1998.
...
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Sprite: A Simple, Cheat-Proof, Credit-Based System for Mobile Ad-Hoc Networks potx
Ngày tải lên :
15/03/2014, 04:20
... bandwidth and storage requirement.
B. System performance vs. network resource
We next evaluate the performance of our system. One major
metric of the performance of our system is the message success
rate, ... Sprite, a simple, cheat-proof, credit-
based system for stimulating cooperation among selfish nodes in
mobile ad hoc networks. Our system provides incentive for mobile
nodes to cooperate and report actions ... discussed in Sec-
tion III, although our system provides incentive for cooperation
by giving more credit for forwarding a message, whether or
not to forward a specific message will depend on the...
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Multicarrier Techniques for 4G Mobile Communications
Ngày tải lên :
26/04/2013, 09:50
... Techniques for 4G Mobile Communications, Shinsuke Hara
and Ramjee Prasad
OFDM for Wireless Multimedia Communications, Richard van Nee and
Ramjee Prasad
Radio over Fiber Technologies for Mobile Communications ... present and future mobile communi-
cations systems. As an evolutional form of mobile phone systems, Interna-
tional Mobile Telecommunications (IMT)-2000 [4, 5], which corresponds
to 3G systems, aims ... (2G) systems in the 1990s, such as
Global Systems for Mobile Telecommunications (GSM) [1], Personal Digital
Cellular (PDC) [2], and Interim Standard (IS)-95 [3], on digital technologies
for voice-oriented...
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Tài liệu Cabling Standard - TSB-155 - IEEE 802.3an for Cat 6A 10GBase-T System - Draft 4.0 pdf
Ngày tải lên :
20/12/2013, 22:15
...
24
PN-3-0134 to be published as TSB-155
Draft 4.0
v
FOREWORD
1
2
(This foreword is not part of the Telecommunications Systems Bulletin) 3
4
At the request of the Institute of Electrical ... configuration 30
The channel test configuration is used by system designers and users of telecommunications 31
systems to verify the performance of the overall channel. The channel includes up ... TIA/EIA-568-B.2-1. The values in table 5
are provided for information only.
33
5.1
0003.0
204.0
0173.0924.1 f
f
ffossInsertionL
Channel
⋅++⋅+≤
dB (15) 34
For all frequencies greater than 250 MHz up...
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