radio resource management in multitier cellular wireless networks pdf
Báo cáo hóa học: " Research Article Interference-Aware Radio Resource Management for Local Area Wireless Networks" ppt
Ngày tải lên :
21/06/2014, 05:20
... than in wide area networks,
thus increasing the gain potential from interference
management.
(ii) The cells are likely to shrink in order to pro-
vide higher throughputs and spatial reuse of radio
resources. ... optimal, taking the instantaneous state
of all links into account. In practice, not all the interference
messages will be heard. Then the decisions will take only local
information into account in the ... “Interference-aware resource allocation for device-
to-device radio underlaying cellular networks, ” in Proceedings
of the 69th IEEE Vehicular Technology Conference (VTC ’09),
Barcelona, Spain,...
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Báo cáo hóa học: " Editorial Radio Resource Management in 3G+ Systems Alagan Anpalagan,1 Rath Vannithamby,2 Weihua " potx
Ngày tải lên :
22/06/2014, 22:20
... interests are in
general wireless communication, mobile networks, and system per-
formance analysis; and in particular QoS-aware radio resource
management, joint study of wireless physical/link ... combination of
both.
In the third paper “Joint downlink power control and
multicode receivers for downlink transmissions in high speed
UMTS,” Sayadi et al. investigate how to combine downlink
power ... major wireless communication conferences. His research inter-
ests are in the area of radio resource management techniques and
MAC and signaling layer protocols for high-speed wireless- access
networks...
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Báo cáo hóa học: " Probabilistic framework for opportunistic spectrum management in cognitive ad hoc networks" pdf
Ngày tải lên :
20/06/2014, 22:20
... D
(
i
)
∗
min
]
1
.Accordingto(14),
D
(
i
)
min
is at
least
D
(
i
)
∗
min
with probability
p
D
∗
min
=1− Pr[D
min
< D
(
i
)
∗
min
]
.
Substituting in (14), we get
D
(i)∗
min
=
− ln(p
D
∗
min
)
πα
i
ρ
i
(15)
Note ... (sets of
active links) that are time shared in a fashion that is
reminiscent of spatial reuse patterns in cellular net-
works. In [10], a joint a dmission control and resource
scheduling policy is ... sensing given the inherent inaccuracy of
spectrum sensing.
Coordinate d Sender-Receiver Sensing In ad hoc envir-
onments in which nodes are exposed to different parts
of the network, the interference...
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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
... U. Baroudi, “Bypass-AODV: improving
performance of ad hoc on-demand distance vector (AODV)
routing protocol in wireless ad hoc networks, ” in Proceedings
of the International Conference on Ambient ... the routing overhead in
Bypass-AODV experiences little increase relative to AODV,
as shown in Figure 13. On the other hand, increasing the
speed will increase the possibility of overlapping between
groups, ... Chiang, “A group
mobility model for ad hoc wireless networks, ” in Proceedings
of the 2nd ACM International Workshop on Modeling, Analysis
and Simulation of Wireless and Mobile Systems (MSWiM ’99),
1999.
[11]...
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Báo cáo hóa học: " Effective Radio Resource Management for Multimedia Broadcast/Multicast Services in UMTS Networks" ppt
Ngày tải lên :
22/06/2014, 22:20
... A, 3 km/h
selective combining and increasing the number of received
radio links provides reduction in the transmitted power in-
dependently of the combining technique.
In Figure 8, for the reference ... combining concept consists of re-
ceiving redundantly the same information bearing signal
over two or more fading channels, and combine these mul-
tiple replicas at the receiver in order to increase ... combining (SC) and maxi-
mal ratio combining (MRC).
4.1. Selective combining
Figure 4 shows a scheme of how selective combining oper-
ates at the receiver side. With SC the path/branch yielding
the...
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resource management in wireless networking (network theory and applications)
Ngày tải lên :
01/06/2014, 12:51
... demanding tasks, such as multimedia and real-time video. With users roaming
between networks, and with wide variation in wireless link quality even in a single
domain, the communications terminal ... service, networks carry the tasks of traffic shaping,
policing, pricing, packet classifying, queueing and scheduling. In mobile
and wireless environments, error control and ah hoc routing are ... Activities
2.1.
2.2.
Unlicensed Band
Licensed Band
3.
Inter-Domain Radio Resource Management
3.1.
3.2.
3.3.
Radio Resource Broker Concept
Resource Usage Optimization
Radio Resource Redistribution
4.
Workload Characterization
4.1.
4.2.
Measurement
Empirical...
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Báo cáo hóa học: " Radio resource management for public femtocell networks" docx
Ngày tải lên :
20/06/2014, 22:20
... declining
with increasing of visited number n(s, a), and tempera-
ture T
s
negative exponential declining with increasing of
visited number n(s), where
n
s
=
a∈A
n
s,a
.
3.3. Fast resource management: ... radio resource management schemes can effectively improve radio resource utility and system performance
of the whole network.
Keywords: radio resource management, public femtocell networks, resource ... resource management. In
addition, large density of femtocells deployment can also
bring a gain of improved joint fast resource management.
Here, we only consider the downlink transmission.
In the...
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Báo cáo hóa học: " Research Article A Utility-Based Downlink Radio Resource Allocation for Multiservice Cellular DS-CDMA Networks" docx
Ngày tải lên :
22/06/2014, 22:20
... scheduling
with resource- sharing constraints has been proposed in [16],
which exploits time-varying channel conditions in a single
cell. However, the user’s delay constraint is not taken into ac-
count ... power
control and variable spreading gain in multi-class CDMA mo-
bile networks, ” in Proceedings of the 5th Annual ACM/IEEE In-
ternational Conference on Mobile Computing and Networking
(Mobicom ’99), pp. ... results in maximum available power.
Note that all of the remaining power is not necessarily the
remaining resource of the system because of the more in-
terference generated in the system by admitting...
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Báo cáo hóa học: " Research Article A Utility-Based Downlink Radio Resource Allocation for Multiservice Cellular DS-CDMA Networks" pot
Ngày tải lên :
22/06/2014, 22:20
... scheduling
with resource- sharing constraints has been proposed in [16],
which exploits time-varying channel conditions in a single
cell. However, the user’s delay constraint is not taken into ac-
count ... power
control and variable spreading gain in multi-class CDMA mo-
bile networks, ” in Proceedings of the 5th Annual ACM/IEEE In-
ternational Conference on Mobile Computing and Networking
(Mobicom ’99), pp. ... results in maximum available power.
Note that all of the remaining power is not necessarily the
remaining resource of the system because of the more in-
terference generated in the system by admitting...
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Resource Management in Satellite Networks pot
Ngày tải lên :
27/06/2014, 01:21
... broadcasting,
digital radio broadcasting,
interactive multimedia
services and Internet
connectivity
Uplink:
DVB-RCS
(TDMA)
Downlink:
DVB-S
Uplink: 13.75, 14-
14.50, 29.50-30 GHz
Downlink: 10.70, ... distance
learning and Internet
services
Uplink:
FDMA/
TDMA
Downlink:
TDMA
Uplink:
27.5-30 GHz
Downlink:
17.7-20.2 GHz
Ka band
Thuraya 2GEO Voice telephony, fax,
data, short messaging,
location determination,
emergency ... advantage, since
it permits a transponder’s TWTA to operate at or near saturation, thus
maximizing downlink C/N. However, interference is not totally eliminated,
since it is present in the form of inter-symbol...
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Resource Management in Satellite Networks part 35 potx
Ngày tải lên :
05/07/2014, 19:20
... receiver. In the return link, each
terminal could in principle implement direct spreading within the assigned
time and frequency slot (MF-TDMA approach).
• Fading countermeasures: the more challenging ... technologies.
In its role as global spectrum coordinator, ITU-R develops and adopts
the Radio Regulations, a voluminous set of rules that serve as a binding
international treaty governing the use of the radio ... also plays a vital role in the management of the radio- frequency
spectrum, a finite natural resource that is increasingly in demand due to the
rapid development of new radio- based services and...
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Resource Management in Satellite Networks part 1 doc
Ngày tải lên :
05/07/2014, 19:20
... have provided a
continuous support to this initiative. Finally, a very special thank is for my
Collaborator, Dr. Ing. Paolo Chini, for his significant support in helping me
during these years of ... decided in
September 2005 to organize the results obtained in a book. With the end of
SatNEx activities in March 2006, the work of this book continued in SatNEx
II (IST-027393, 2006–2009) in the ... translated or copied in whole or in part without the
bidden. The use in this publication of trade names, trademarks, service marks and similar terms,
Resource Management in Satellite
Networks
Optimization...
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Resource Management in Satellite Networks part 2 pot
Ngày tải lên :
05/07/2014, 19:20
... entitled
“Integrated Space/Terrestrial Mobile Networks . He also contributed to the
Resource Management activity of the Working Group 3000 within the RACE
Project, called “Satellite Integration in the ... Giambene was born in Florence, Italy, in 1966. He received the Dr.
Ing. degree in Electronics from the University of Florence, Italy, in 1993 and
the Ph.D. degree in Telecommunications and Informatics ... Engineering,
Engineering School,
Bellaterra 08193 - Barcelona, Spain
angeles.vazquez@uab.es
Fausto Vieira
UAB - Universitat Aut´onoma de
Barcelona,
Dpt. Telecommunications and
Systems Engineering,
Engineering...
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Resource Management in Satellite Networks part 3 pptx
Ngày tải lên :
05/07/2014, 19:20
... Engineers
IETF Internet Engineering Task
Force
IFR Increasing Failure Rate
IM Inter-Modulation
IMT International Mobile
Telecommunications
IntServ Integrated Service
IP Internet Protocol
IPA In nitesimal ... Access
System
IPoS Internet Protocol over Satellite
ISDN Integrated Services Digital
Network
ISI Integral Satcom Initiative
ISLs Inter-Satellite Links
ISN Interactive Satellite Network
ISO/OSI International ... possible to provide, in a simple and economic
way, point-to-multipoint and broadcast communications, without complex
multicast routing protocols (used in meshed terrestrial networks) .
• Rapid deployment...
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Resource Management in Satellite Networks part 4 doc
Ngày tải lên :
05/07/2014, 19:20
... broadcasting,
digital radio broadcasting,
interactive multimedia
services and Internet
connectivity
Uplink:
DVB-RCS
(TDMA)
Downlink:
DVB-S
Uplink: 13.75, 14-
14.50, 29.50-30 GHz
Downlink: 10.70, ... system,
but the greater the difficulty in acquiring and maintaining synchronism.
Time access to the satellite link can be managed either in centralized or in
distributed mode. Centralized control ... efficiently supports traffic streaming,
while maintaining flexibility in capacity allocation.
1.4 Radio interfaces considered and scenarios
Different standardized air interfaces are available for satellite...
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