range of wireless networks
Economics of Wireless Networks
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... 213
Index404
14
Economics of Wireless
Networks
14.1 Introduction
The field of mobile wireless communications is currently one of the fastest growing segments
of the telecommunications industry. Wireless devices ... for wireless telecommunication companies. This chapter overviews several economic
aspects of wireless networks, including economic benefits of wireless networks, facts that
affect the economics of ... Changing Economics of the Wireless Industry
The movement towards integration of wireless networks and the Internet has reached a point
which marks a change for the business of the wireless industry....
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Tài liệu Designing for Profitability in the Physical Layer of Wireless Networks docx
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21/12/2013, 08:17
... of these measures actually thwarts the
overall goals of the wireless provider – to deliver cost-
effective, always available, high quality services.
Operations: The Custodians of
Evolving Networks
Wireless ... meeting the needs of Operations by
designing and implementing the physical layer with a foundation of connectivity.
Designing for Profitability in the
Physical Layer of Wireless Networks
Introduction
Growth ... maintenance
and troubleshooting of a steadily growing network
infrastructure.
Clearly, the physical layer of the wireless network is
getting larger and more complex. With more wireless
data services...
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Radio Link Performance of Third Generation (3G) Technologies For Wireless Networks
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... Introduction
1.1 The Need for Third-Generation Wireless Technologies
The first generation of wireless networks was primarily concerned with the provision of
voice services, allowing users to transition ... One source of co-
channel interference, de-correlated in time with 0 frequency offset. One source of
adjacent channel interference, de-correlated in time with 200 kHz of frequency
offset. One ... One source of co-channel
interference, de-correlated in time with 0 frequency offset. One source of adjacent
channel interference, de-correlated in time with 200 kHz of frequency offset. One...
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Security and Privacy Vulnerabilities of In-Car Wireless Networks: A Tire Pressure Monitoring System Case Study ppt
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23/03/2014, 10:20
... Performance
analysis of wireless networks with directional antennas.
IEEE Transactions on Vehicular Technology 57, 5 (2008),
3187–3199.
16
Eavesdropping
range
Indoor
noise floor
Outdoor
noise floor
Boosted
range
Amplified
noise ... speeds of automobiles
raise questions about the feasibility of eavesdropping.
In this section, we experimentally evaluate the range
of TPMS communications and further evaluate the feasi-
bility of ... we
studied the reception range of stand-alone sensors in a
hallway. In the outdoor environment, we drove one of
the authors’ cars around to measure the reception range
of the sensors mounted in...
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security & quality of service in ad hoc wireless networks
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25/03/2014, 12:07
... security
and are often used in security-related discussions, in the context of computer
networks. The basic security needs of wireless ad hoc networks are more or less
the same as those of wired networks. ... schemes
of the wire-line networks have been developed and implemented in wireless
cellular networks. To make ad hoc networks secure, we need to find ways to
incorporate some of these schemes of wireless ... and quality of service in ad hoc wireless networks.
Starting with a review of the basic principles of ad hoc wireless networking,
coverage progresses to the vulnerabilities these networks face...
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Báo cáo " Congestion control of Wavelet image compression over wireless networks " docx
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... Journal of Science, Mathematics - Physics 23 (2007) 55-62
55
Congestion control of Wavelet image compression
over wireless networks
Ho Anh Tuy
1
,
Nguyen Vinh An
2,*
1
Hanoi University of ...
Abstract. The demand of transmission of images and video is increasing quickly recently and
researchers are trying to invest good solutions to improve the quality of these over wireless
networks. There ... congestion control
of ATM networks have been published. A survey is given in [5].
3.2. Fuzzy logic implementation
A wireless networks is a large distributed complex system with difficulty of highly...
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On the Lifetime of Wireless Sensor Networks
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... 2009.
On the Lifetime of Wireless Sensor Networks
•
5:39
SORO,S.AND HEINZELMAN, W. B. 2005. Prolonging the lifetime of wireless sensor networks via
unequal clustering. In Proceedings of the 19th IEEE ... 2002b. Wireless sensor networks:
A survey. Elsevier Comput. Netw. 38, 393–422.
A
RAMPATZIS, T., LYGEROS,J.,AND MANESIS, S. 2005. A survey of applications of wireless sensors
and wireless sensor networks. ... International Conference on Wireless Networks (ICWN).
C
HIASSERINI
, C F., C
HLAMTAC
, I., M
ONTI,P.,
AND
NUCCI, A. 2002. Energy efficient design of wireless
ad hoc networks. In Proceedings of the 2nd IFIP...
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design and performance of 3g wireless networks and wireless lans
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01/06/2014, 00:46
... creation of structures appropriate to specific retrieval
requirements in a range of contexts (Broughton, 2001). The emphasis is on the
problems of complex subject description and representation of ... conferences
0
10
20
30
40
50
60
70
80
ICADL
1998
ICADL
1999
ICADL
2000
ICADL
2001
ICADL
2002
ICADL
2003
# of Papers
# of Papers from Asia
Figure 1. Number of papers accepted in ICADL
ICADL
1998
ICADL
1999
ICADL
2000
ICADL
2001
ICADL
2002
# of Papers 23 18 37 34 54
# of Papers ... 14 26 25+ 31+
# of Countries 7 7 12 12 20
# of Countries from Asi
a
6 5 7 9 12
# of Institutions 17+ 14+ 31+ 33+ 55+
# of Institutions from
Asia
12+ 10+ 21+ 22+ 23+
# of Academic
Departments/Discipline
s...
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the handbook of ad hoc wireless networks
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... hoc wireless networks. The first
part of this chapter presents the taxonomy of single-hop wireless technologies. Specifically, we introduce
the concept of Body, Personal, and Local wireless networks, ... to as mobile ad hoc networks (MANETs) [33]
or as infrastructure-less wireless networks.
1.2
Mobile Ad Hoc Networks
A
Mobile Ad hoc NETwork (MANET) is a system of wireless mobile nodes ... Hoc Wireless Networks
Y
u-Chee Tseng
and Ting-Yu Lin
5
P
erformance Analysis of Wireless Ad Hoc Networks
A
nurag Kumar
and Aditya Karnik
6
C
oding for the Wireless...
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Báo cáo toán học: " Performance of the audio signals transmission over wireless networks with the channel interleaving considerations" pot
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...
1
Department of Communications Technology, Faculty of Industrial
Education, Helwan University, Helwan, Egypt
2
Department of Electronics and Electrical Communications, Faculty of
Electronic ... h.kazemian@londonmet.ac.uk
Abstract
This article studies a vital issue in wireless communications, which is the
transmission of audio signals over wireless networks. It presents a novel
interleaver scheme for ... received audio signal. It improves the amount of the
throughput over the wireless link through the packet loss reduction.
Keywords: wireless networks; Bluetooth; fading channels; interleaving...
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Báo cáo hóa học: " An analytical model for the intercell interference power in the downlink of wireless cellular networks" ppt
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21/06/2014, 00:20
... D.)
LetuslastnoticethatthechoiceforvaluesofM and
J
is a trad e-off between different aspects: cardinality of
the resulting typical set (i.e., tractable number of points),
number of simulation runs and accuracy of the histo-
gram. ... interest of
this model lies in the fact that it can be applied to a large range of values of the shadowing parameter. The
proposed methods can also be easily extended to other types of networks.
Keywords: ... a
practical tool for the assessment and simulation of
wireless cellular networks when the effect of shadow-
ing is to be considered.
The main contributions of this paper are as follows:
• In the special...
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báo cáo hóa học: " TCP NCE: A unified solution for non-congestion events to improve the performance of TCP over wireless networks" docx
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21/06/2014, 02:20
... of packets to various applica-
tions. In wireless networks, packets are transmitting
with the presence of wireless links. When TCP operates
in wireless networks, t he end-to-end performance of
TCP ... thereby increase the perfor-
mance of TCP over wireless networks.
List of Abbreviations
ACL: accuracy of congestion loss; ARL: accuracy of random loss; APR:
accuracy of packet reordering; BS: buffer ... number
of contention of nodes.
Moreover, in wireless networks, the interferences
between neighboring nodes are much higher compared
to local area networks. As a result, the bit error rates of
wireless...
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Báo cáo hóa học: " Research Article A Simulation Study: The Impact of Random and Realistic Mobility Models on the Performance of Bypass-AODV in Ad Hoc Wireless Networks" pdf
Ngày tải lên :
21/06/2014, 11:20
... connection of length more than 6 hops.
Moreover, node speeds have a minimal effect on the length of
the TCP connection in terms of number of hops for RPGM
because of the strict movements of nodes. ... certain range of the transmitting node cannot
transmit. Two ranges are defined by the IEEE 802.11 MAC
and are used in our simulation: the transmission range and
the sensing range. The transmission range ... statistical analysis
of the long-run node spatial distribution in mobile ad hoc
networks, ” in Proceedings of the ACM International Workshop
on Modeling, Analysis and Simulation of Wireless and Mobile
Systems...
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Báo cáo hóa học: " Research Article On the Effect of Self-Interference Cancelation in MultiHop Wireless Networks" ppt
Ngày tải lên :
21/06/2014, 11:20
... (1), the scaling of G by a factor of 1/κ (or 1/θ
η
)
is equivalent to the scaling of node distance matrix D by a
factor of θ and the scaling of self-interference gains g by a
factor of 1/θ
η
. Therefore, ... receiver node of any link in the
case of the tandem multihop wireless network (Figure 4)is
smaller on average to that of the multihop wireless network
(Figure 6) (Note that any receiver node of the ... the
case of wireless CDMA networks the interference coefficient
g
ij
(t) would model the residual interference at the output
of despreading filter of node rec(j)[7]. Similarly, in the
case wireless...
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báo cáo hóa học:" Research Article A Reinforcement Learning Based Framework for Prediction of Near Likely Nodes in Data-Centric Mobile Wireless Networks" pdf
Ngày tải lên :
21/06/2014, 18:20
... static
sensor networks. In this paper, we study data-centric storage
in mobile wireless networks.
To detect mobility of wireless nodes, [11] used received
signal strength in wireless LAN to detect wireless ... Measurement of Accuracy of Neighborhood Prediction.
One challenge of data-centric mobile wireless networks is
the efficiency of data retrieval, which highly depends on
the accuracy of neighborhood ... only deal
with static wireless networks. However, with the increasing
deployment of wireless devices, there are emerging pervasive
applications that rely on the mobility of wireless device. Two
representative...
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