multiple radio access bearer
Lte For Umte Ofdma And Scfdma Based Radio Access pdf
Ngày tải lên :
08/03/2014, 09:20
... and Reception (DTX/DRX) 400
LTE for UMTS –
OFDMA and SC-FDMA Based
Radio Access
LTE for UMTS: OFDMA and SC-FDMA Based Radio Access Edited by Harri Holma and Antti Toskala
© 2009 John Wiley & ... Request
S-RACH Short Random Access Channel
SRB Signaling Radio Bearer
S-RNC Serving RNC
SRS Sounding Reference Signals
SSS Secondary Synchronization Signal
SR-VCC Single Radio Voice Call Continuity
S-TMSI ... Module
USSD Unstructured Supplementary Service Data
UTRA Universal Terrestrial Radio Access
UTRAN Universal Terrestrial Radio Access Network
VCC Voice Call Continuity
List of Abbreviations
3GPP Third...
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Advances in mobile radio access networks artech house publishers jun 2005 ebook ling
Ngày tải lên :
18/04/2014, 10:43
... 2.6 PA Consulting’s software radio- based WCDMA base station.
TEAM LinG
Advances in Mobile
Radio Access Networks
TEAM LinG
TEAM LinG
62 Advances in Mobile Radio Access Networks
half of ... in Mobile
Radio Access Networks
Y. Jay Guo
Artech House
Boston • London
www.artechhouse.com
TEAM LinG
11
Chapter 2
Emerging Radio Technologies
A major functionality of the radio access nodes ... division multiplexing (OFDM) scheme (see Chapters 6 and 9).
Although a major task in the design of a radio access node or base station is to
accommodate the chosen air interface, there are some radio...
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hsdpahsupa for umts high speed radio access for mobile communications
Ngày tải lên :
01/06/2014, 09:38
... layer
MAC
Transport channels
Logical channels
RLC
RRC
Signalling radio bearers
Control plane
User plane
PDCP
BMC
User plane radio bearers
Figure 3.3 Release 99 radio interface protocol architecture.
made longer ... America.
WCDMA radio access has evolved strongly alongside high-speed downlink packet
access (HSDPA) and high-speed uplink packet access (HSUPA), together called ‘high-
speed packet access (HSPA). ... shown in Figure 2.2:
. TSG RAN (Radio Access Network). TSG RAN focuses on the radio interface and
internal interfaces between base transceiver stations (BTSs) /radio network controllers
(RNCs)...
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wcdma for umts radio access for third generation mobile communications
Ngày tải lên :
03/06/2014, 01:37
... 72
References 73
5 Radio Access Network Architecture 75
Fabio Longoni, Atte La
¨
nsisalmi and Antti Toskala
5.1 System Architecture 75
5.2 UTRAN Architecture 78
5.2.1 The Radio Network Controller ... are PDC in Japan and
US-TDMA mainly in the Americas; these are based on TDMA (time division multiple
access) and have more similarities with GSM than with IS-95. The second generation
Figure 1.4. ... Report,
September 1995.
[4] Nikula, E., Toskala, A., Dahlman, E., Girard, L. and Klein, A., ‘FRAMES Multiple Access for
UMTS and IMT-2000’, IEEE Personal Communications Magazine, April 1998, pp. 16–24.
[5]...
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Multiple Access Protocols for Mobile Communications - GPRS, UMTS and Beyond
Ngày tải lên :
02/03/2013, 16:59
... Multiple Access
RAN Radio Access Network
RAP Random Access Protocol
RCMA Reservation-Code Multiple Access
RES Reservation State
RF Radio Frequency
RHS Right Hand Side (of an equation)
RLC Radio ... 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 ... with multiple access protocols,which
govern access to these resources. The basic multiple access schemes are briefly described
further below in this section, and the importance of the multiple access...
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Tài liệu Lab 11.2.3d Multiple Access Lists Functions (Challenge Lab) pdf
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18/01/2014, 05:20
...
Outgoing access list is ________
Inbound access list is ________
Interface __________
Outgoing access list is ________
Inbound access list is ________
Interface __________
Outgoing access ... Verify the Access Lists
a. Now that the access lists have been applied, they need to be verified.
First, verify what lists have been defined. From a CLI session on one of the routers with access ... of the routers with access
lists, display the access lists with the Boaz#show ip access- lists command. Record the
information about one of the access lists.
_____________________________________________________________________________________...
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Tài liệu Chapter 12 Multiple Access docx
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16/02/2014, 20:20
... polling access method
12.40
Figure 12.22 Time-division multiple access (TDMA)
12.35
Figure 12.20 Logical ring and physical topology in token-passing access method
12.1
Chapter 12
Multiple Access
Copyright ... protocol
12.24
Figure 12.13 Collision and abortion in CSMA/CD
12.38
Figure 12.21 Frequency-division multiple access (FDMA)
12.29
In CSMA/CA, the IFS can also be used to
define the priority of a station...
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Báo cáo sinh học: " Decentralized estimation over orthogonal multiple- access fading channels in wireless sensor networks-- optimal and suboptimal estimators" pot
Ngày tải lên :
18/06/2014, 22:20
... estimation for a deterministic parameter using digital communications
over orthogonal multiple- access fading channels with a multiple- bit quantizer. By introducing a general
messaging function, the proposed ... decentralized estimators in wireless sensor networks over orthogonal multiple-
access fading channels in this paper. Considering multiple- bit quantization for digital transmission, we develop
maximum ... cate
that the separate source-channel coding scheme is optimal in fading channels with orthogonal multiple- access
protocols, which outperforms AF transmission, a simple joint source-channel coding scheme.
In...
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báo cáo hóa học:" Decentralized estimation over orthogonal multiple- access fading channels in wireless sensor networks-- optimal and suboptimal estimators" ppt
Ngày tải lên :
20/06/2014, 04:20
... log-likelihood function. However, because the log-likelihood function shown in (11) is
non-concave and has multiple extrema, we need to find all its local maxima to get the global maximum.
Exhaustive searching ... therein). They reduce the
observation noise by exploiting the redundant observations provided by multiple sensor s . However, their
performance degrades dramatically when communication errors cannot ... diversity combining
reduces the bit error rate (BER), it requires that the signals transmitted from multiple sensors are identical,
which is not true in the context of WSNs due to the observation...
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Health and Quality of Life Outcomes BioMed Central Research Open Access Using multiple survey docx
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20/06/2014, 15:20
... of 6
(page number not for citation purposes)
Health and Quality of Life Outcomes
Open Access
Research
Using multiple survey vendors to collect health outcomes
information: How accurate are the ... national level, large-
scale surveys using multiple vendors to gather health information is becoming the norm. This study
evaluates the ability of multiple survey vendors to gather and report ... the two
categories at the vendor's discretion.
Using multiple vendors to gather health care data is be-
coming quite commonplace. Multiple vendors are used in
gathering health outcomes information...
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báo cáo hóa học: " Cross-layer design for radio resource allocation based on priority scheduling in OFDMA wireless access network" docx
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21/06/2014, 02:20
... 2011:28
http://jwcn.eurasipjournals.com/content/2011/1/28
Page 6 of 10
RESEARCH Open Access
Cross-layer design for radio resource allocation
based on priority scheduling in OFDMA
wireless access network
Yen-Wen Chen
*
, Chang-Wu Chen ... Worldwide interoperability for microwave access
(WiMax) has been regarded as one of the most appro-
priate technologies for the next generation of broadband
wireless access, using OFDMA for efficient ... overview of
WiMax access technology and the overhead analysis of
MAP are described in the following section. In Section
3, the burst mapping algorithm is proposed. The influ-
ence of the radio resource...
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Báo cáo hóa học: " Research Article Iterative Fusion of Distributed Decisions over the Gaussian Multiple-Access Channel Using Concatenated BCH-LDGM Codes" potx
Ngày tải lên :
21/06/2014, 07:20
... ’07),pp.
541–544, April 2007.
[24]W.LiandH.Dai,“Distributeddetectioninwirelesssensor
networks using a multiple access channel,” IEEE Transactions
on Signal Processing, vol. 55, no. 3, pp. 822–833, 2007.
[25] ... Zhao, W. Zhong, and J. Garcia-Frias, “Transmission of
correlated senders over a Rayleigh fading multiple access
channel,” Signal Processing, vol. 86, no. 11, pp. 3150–3159,
2006.
[37] W. Zhong, H. ... 2005.
[38] W. Zhong and J. Garcia-Fria, “Joint source-channel coding
of correlated senders over multiple access channels,” in
Proceedings of the Allerton Conference on Communication,
Control, and...
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Báo cáo hóa học: " Research Article Partial Interference and Its Performance Impact on Wireless Multiple Access Networks" potx
Ngày tải lên :
21/06/2014, 11:20
... analyzing the performance
of wireless multiple access protocols.
8. Conclusion
In this paper, we have introduced the notion of partial inter-
ference in wireless multiple access systems and illustrated
the ... impact of interference on multiple
access networks, we propose an analytical framework to
characterize partial interference for two representative types
of multiple access wireless networks, ... focus is to develop analytical mod-
els with tractable solutions for various types of wireless
multiple access networks which can accurately capture the
performance impact of partial interference....
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báo cáo hóa học:" Multiple access communications in future-generation wireless networks" potx
Ngày tải lên :
21/06/2014, 17:20
... in Multiple Access Communications such as new
cooperative MAC protocols; spectrum sharing, and channel assignment
techniques for cognitive radio networks; new results on PHY layer multiple
access ... “Polarization Division Multiple Access With Polarization
Modulation for LOS Wireless Communications” by Bin Cao, Qin-Yu Zhang,
and Lin Jin discusses a potential multiple access and modulation ... frequency offset (CFO) estimation in the uplink of multiuser multiple-
input multiple- output (MIMO) orthogonal frequency division multiplexing
(OFDM) systems. Conventional maximum likelihood...
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Báo cáo hóa học: "Research Article A Unified Approach to Optimal Opportunistic Spectrum Access under Collision Probability Constraint in Cognitive Radio Systems" pptx
Ngày tải lên :
21/06/2014, 19:20
... is still
effective in the case that multiple secondary users cooperate
to access the idle channel. But the proposed approach is
ineffective in the case that multiple secondary users compete
for ... the
artificial radio spectrum scarcity that most of the available
radio spectrum has already been allocated to various services.
The frequency allocation chart [1] in the United States
indicates multiple ... spec-
trum communications through proactive spectrum access, ” in
Proceedings of the 1st International Workshop on Technology
and Policy for Accessing Spectrum (TAPAS ’06), Boston, Mass,
USA, 2006.
[12]...
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