multiple access techniques for mobile communication ppt
Multiple Access Protocols for Mobile Communications - GPRS, UMTS and Beyond
Ngày tải lên :
02/03/2013, 16:59
... Standards 46
2.6 Summary 48
3 Multiple Access in Cellular Communication Systems 49
3.1 Multiple Access and the OSI Layers 49
3.2 Basic Multiple Access Schemes 53
3.3 Medium Access Control in 2G Cellular ... CDMA/TDMA Multiple Access Schemes 14
1.4.3 Literature on Multiple Access Protocols for Packet CDMA 15
1.4.4 Access Control in Combined CDMA/PRMA Protocols 15
1.4.5 Summary 21
2 Cellular Mobile Communication ... (EGPRS)
M
MAC Medium Access 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...
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Tài liệu Lecture 14: The Theoretical Basis for Data Communication: pptx
Ngày tải lên :
10/12/2013, 08:15
... convenient measure for measuring the signal levels in
Lecture 14.doc Page 5 (6)
CSN200 Introduction to Telecommunications, Winter 2000 Lecture 14 Communication Basics Part-2
telecommunications ... 14.doc Page 6 (6)
CSN200 Introduction to Telecommunications, Winter 2000 Lecture 14 Communication Basics Part-2
The Theoretical Basis for Data Communication:
Frequency-domain concept:
A ... Introduction to Telecommunications, Winter 2000 Lecture 14 Communication Basics Part-2
Addition of More Frequency Components:
Lecture 14.doc Page 3 (6)
CSN200 Introduction to Telecommunications,...
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Escrow techniques for mobile sales and inventory applications doc
Ngày tải lên :
16/03/2014, 15:20
... start sending information
to the mobile.
244 N. Krishnakumar, R. Jain / Escrow techniques for mobile applications
C1’ for type m’: 0<=m1’<=50
C1 for type m: 0<=m1<=40
E1’ for type m’: ... Krishnakumar, R. Jain / Escrow techniques for mobile applications
[12] R. Jain, Y B. Lin and S. Mohan, Location strategies for personal
communications services, in: Mobile Communications Handbook,
ed. ... techniques for locating mobile users, mobile database
access, and mobile sales applications. He was also technical team leader
for the SCOUT system, which delivers personalized road traffic infor-
mation...
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Behavior-Management Techniques for Safe Schools ppt
Ngày tải lên :
17/03/2014, 20:20
... Visit AFT’s Web site for classroom
resources at www.aft.org/tools4teachers
today.
Assigning Effective
Homework
Quality Classroom
Assessment
Techniques
Techniques
Loan Forgiveness
Creating ... the safest environ-
ments for children. However, in far too many
schools, a lack of respect for the authority of
teachers and other school employees, as well
as for the rights of other students, ... practices—based on
research and demonstrated to work—that are
eective for preventing and correcting this behavior.
Techniques for managing the aggressive behavior
of students include prevention...
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John wiley sons data mining techniques for marketing sales_20 pptx
Ngày tải lên :
21/06/2014, 04:20
... 594
forced attrition, 118
forecasting
EBCF (existing base churn
forecast), 469
NSF (new start forecast), 469
survival analysis, 415–416
former customers, customer
relationships, 457
forward-looking ... rules,
297–298
information
competitive advantages, 14
data as, 22
infomediaries, 14
information brokers, supermarket
chains as, 15–16
information gain, entropy, 178–180
information technology, ...
proportional scoring, census data,
94–95
prospecting
advertising techniques, 90–94
communication channels, 89
customer relationships, 457
efforts, 90
good prospects, identifying, 88–89
index-based...
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John wiley sons data mining techniques for marketing sales_2 pptx
Ngày tải lên :
21/06/2014, 04:20
... Mining data to transform the data into actionable information.
3. Acting on the information.
4. Measuring the results.
business opportunities
Act
where analyzing data
on the information.
can ...
can provide value.
into actionable information
using data mining techniques.
Identify
Transform data
1 2 3 4 5 6 7 8 9 10
Measure the results
of the efforts to complete
the learning cycle. ...
mining to an organization, such interviews provide a forum for two-way
communication.
We once participated in a series of interviews at a telecommunications com-
pany to discuss the value of analyzing...
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John wiley sons data mining techniques for marketing sales_6 ppt
Ngày tải lên :
21/06/2014, 04:20
... customers in California for the challenger and everyone else for the
champion.
■■ Use the 5 percent lowest and 5 percent highest value customers for the
challenger, and everyone else for the champion. ... most recent customers for the challenger, and every-
one else for the champion.
■■ Use the customers with telephone numbers for the telemarketing cam-
paign; everyone else for the direct mail ... such systematic bias. When there is
systematic bias, the formulas for the confidence intervals are not correct.
Using the formula for the confidence interval means that there is no system-
atic...
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John wiley sons data mining techniques for marketing sales_8 ppt
Ngày tải lên :
21/06/2014, 04:20
...
children variable might be mapped as follows: 0 (for 0 children), 0.5 (for one
child), 0.75 (for two children), 0.875 (for three children), and so on. For cate-
gorical variables, it is often easier ... test set to see how well it performs.
7. Apply the model generated by the network to predict outcomes for
unknown inputs.
Fortunately, data mining software now performs most of these steps auto-
matically. ... a feed-
forward neural network and illustrates that a network is filled with seemingly meaningless
weights.
Figure 7.3 Feed-forward neural networks take inputs on one end and transform them...
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Báo cáo hóa học: " Research Article Evaluation of Different Power Saving Techniques for MBMS Services" pptx
Ngày tải lên :
21/06/2014, 22:20
... International
Conference on 3G Mobile Communication Technolog ies (3G
’04), pp. 634–638, London, UK, October 2004.
[16] H. Holma and A. Toskala, HSDPA/HSUPA for UMTS: High
Speed Radio Access for Mobile Communications, ... technology for MBMS that improves the
MBMS performance and increases bit rate speeds in order to
support new MBMS services [25].
References
[1] H. Holma and A. Toskala, WCDMA for UMTS: Radio Access for
Third ... section, analytical simulation results, distinctly for
each of the aforementioned techniques, are presented. More-
over, combinations of these techniques are examined in order
to reveal the additional...
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Báo cáo hóa học: " Research Article An Adaptive Time-Spread Multiple-Access Policy for Wireless Sensor Networks" pot
Ngày tải lên :
22/06/2014, 19:20
... desirable effect for the efficient operation for
some sensor networks. The analytical results provided in this
paper derive a certain value for the access probability that al-
lows for small convergence ... transmission
u
→ v (therefore, these nodes belong in S
v
∪{v}−{u})in
time slot i for which i/
∈ Ω
χ
(therefore, these nodes belong
in O
c
i,u
→v
) and for which nodes the most recent attempt for
transmission ... the D-Policy but allow for corruption-free transmissions.
Under the P-Policy, these time slots are utilized according to
an access probability p fixed for all time slots and for all nodes
in the...
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Báo cáo hóa học: " Practical Network-Based Techniques for Mobile Positioning in UMTS" pdf
Ngày tải lên :
22/06/2014, 22:20
... for 67% of calls and 300 m for 95% of calls [5]. In turn,
the minimum required accuracy for mobile- based position-
ing solutions is 50 m for 67% of calls and 150 m for 95% of
calls. Such accuracy ... thank Elisa Networks Oyj for enabling
the measurement campaigns, Nemo Technologies Ltd. for
providing a measurement tool, European Communication
Engineering (ECE) Ltd. for helpful comments, and ... Geometrical transforma-
tions as an efficient mean for reducing impact of multipath
propagation on positioning accuracy,” in Proceedings of the
5th IEE International Conference on 3G Mobile Communication
Technologies,...
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