... Technologies for 3G Networks IP, UMTS, EGPRS and ATM Jeffrey Bannister, Paul Mather and Sebastian Coope at Orbitage Consultants Convergence Technologies for 3G Networks Convergence Technologies for 3G Networks ... 6.17.2 System Information Block 6.17.3 System Information Block 6.17.4 System Information Block 6.17.5 System Information Block 6.17.6 System Information Block 6.17.7 System Information Block ... IP-based QoS for UMTS Networks 5.7.1 QoS Negotiation in UMTS 5.7.2 GPRS QoS Parameters 5.8 QoS for the GPRS Core Network 5.8.1 Differentiated Services (DiffServ) 5.8.2 Expedited Forwarding 5.8.3...
Ngày tải lên: 23/12/2013, 04:17
Ngày tải lên: 03/09/2012, 15:54
McGraw-Hill-2002-WCDMA and cdma2000 for 3G Mobile Networks
... since 1995 Standards for 3G wireless services were published in 1999 Support for high-speed data at rates from 144 kb/s for urban and suburban outdoor environments to 2,048 Mb/s for indoor or low-range ... band-limited to 300—3000 Hz Data Rate 10 kb/s (only for control) Modulation FM for speech, FSK for data Frequency Deviation 12 kHz for speech and kHz for data User Data Transfer Capability None TDMA ... Evolution of Mobile Communication Networks 261 Review of 3G Requirements [1]-[4] Network Evolution First-Generation Network Second-Generation Networks 2Gϩ Networks 3G Network All-IP Network Summary...
Ngày tải lên: 02/03/2013, 16:58
Radio Link Performance of Third Generation (3G) Technologies For Wireless Networks
... Radio Link Performance of Third Generation (3G) Technologies For Wireless Networks Gustavo Nader (Abstract) Third generation wireless mobile communication networks are characterized ... proposals for the evolution from 2G to 3G, GPRS (General Packet Radio Services) and EDGE (Enhanced Data Rates for GSM Evolution) stand out as transitional solutions for existing TDMA IS-136 and GSM networks ... Coding Schemes for GPRS [Source: 3GPP00a] Table 3-2 - Coding parameters for the GPRS coding schemes [Source: 3GP00a] 11 Table 4-1 - EDGE channel modulation and coding schemes [3GP00a] ...
Ngày tải lên: 26/04/2013, 11:15
Tài liệu W-CDMA and cdma2000 for 3G Mobile Networks pdf
... since 1995 Standards for 3G wireless services were published in 1999 Support for high-speed data at rates from 144 kb/s for urban and suburban outdoor environments to 2,048 Mb/s for indoor or low-range ... band-limited to 300—3000 Hz Data Rate 10 kb/s (only for control) Modulation FM for speech, FSK for data Frequency Deviation 12 kHz for speech and kHz for data User Data Transfer Capability None TDMA ... Evolution of Mobile Communication Networks 261 Review of 3G Requirements [1]-[4] Network Evolution First-Generation Network Second-Generation Networks 2Gϩ Networks 3G Network All-IP Network Summary...
Ngày tải lên: 23/12/2013, 01:17
Báo cáo hóa học: " Ubiquitous robust communications for emergency response using multi-operator heterogeneous networks" docx
... support Location information could be obtained through the use of several technologies For example, 4G networks are expected to provide more accurate location information than the 3G networks that ... channels (e.g., 3G) This article addresses all those issues and proposes a flexible network architecture that provides a common networking platform for heterogeneous multi-operator networks, for inter-operation ... network for supporting emergency operations is proposed This is formed by mesh clients placed on balloons, forming a mesh network in the sky Communication through the balloons is performed using...
Ngày tải lên: 21/06/2014, 03:20
Báo cáo hóa học: " Research Article A QoS-Aware Mesh Protocol for Future Home Networks Using Autonomic Architecture" pot
... that the routing protocols designed for ad hoc networks may not be appropriate for WMNs Based on the performance of the existing routing protocols for ad hoc networks and the specific requirements ... level parameter Si For example, Si is high for an Ethernet link and low for an insecure WiFi link Respectively, Ei is high for wireless connections and low for an Ethernet link PERFORMANCE RESULTS ... routing metrics must ensure that forwarding loops are not formed by routing protocols There are some promising approaches for improving routing in wireless mesh networks They are mainly based EURASIP...
Ngày tải lên: 21/06/2014, 23:20
Báo cáo hóa học: " Research Article On Coverage and Capacity for Disaster Area Wireless Networks Using Mobile Relays" docx
... (SR) SR ← ∅; for i=1 to M for j=1 to KCO SR ← SR + S R j value j ←RA-CORP(S R) end for; [maximum, index]=Max(value); SR ← SR + S Rindex ; end for; 10 return SR; ⎡ tation complexity for CES can ... KCO j =i1i NMN /C > i=1 Therefore, the complexity for GICO is less than the complexity for CES Maximizing Aggregate Throughput: Problem Formulation In Section 4, we formulate the CORP problem, ... ∅; for i=1 to M for j=1 to KCA O ← O + Oj valuej ←RA-CARP(O) end for; [maximum, index]=Max(value); O ← O + Oindex ; end for; 10 returnO; : : ⎪ ⎪ ⎪ ⎪ : ⎪ ⎪ ⎪ ⎪ ⎪ ⎭ : j/C ) 7.2 Relay Placement for...
Ngày tải lên: 21/06/2014, 23:20
Báo cáo hóa học: " Research Article Transcoding-Based Error-Resilient Video Adaptation for 3G Wireless Networks" ppt
... indicate the need for more frequent intra-refresh (e.g., as in the “Foreman” se- 15 29 43 57 71 85 Frame number 99 113 127 Figure 3: NAI computation for the “Foreman” stream Normalised activity ... of 33.24 dB for the “Students” stream (i.e., around 6.5 dB better than the “No ER” performance), and 28.45 dB for the “Foreman” stream (i.e., around dB better than the “No ER” performance) The ... proxy for 3G wireless mobile Internet access,” IEEE Communications Magazine, vol 38, no 10, pp 66–71, 2000 [10] S Dogan, S Eminsoy, A H Sadka, and A M Kondoz, “Personalised multimedia services for...
Ngày tải lên: 22/06/2014, 20:20
Báo cáo hóa học: " Research Article Determining Vision Graphs for Distributed Camera Networks Using Feature Digests" pptx
... literature for detecting and describing salient feature points Section presents the key contribution of the paper, our framework for establishing the vision graph, which includes message formation, ... manually constructed We also note that Huber [6] and Stamos and Leordeanu [7] considered graph formalisms for matching 3D range datasets However, this problem of matching 3D subshapes is substantially ... will be a performance tradeoff between the number of cells and the number of features per cell While there is probably no optimal number of cells for an arbitrary set of images, by using a training...
Ngày tải lên: 22/06/2014, 23:20
W-CDMA and cdma2000 for 3G Mobile Networks docx
... since 1995 Standards for 3G wireless services were published in 1999 Support for high-speed data at rates from 144 kb/s for urban and suburban outdoor environments to 2,048 Mb/s for indoor or low-range ... band-limited to 300—3000 Hz Data Rate 10 kb/s (only for control) Modulation FM for speech, FSK for data Frequency Deviation 12 kHz for speech and kHz for data User Data Transfer Capability None TDMA ... Evolution of Mobile Communication Networks 261 Review of 3G Requirements [1]-[4] Network Evolution First-Generation Network Second-Generation Networks 2Gϩ Networks 3G Network All-IP Network Summary...
Ngày tải lên: 27/06/2014, 15:20
STRATEGIC PLANNING FOR PROJECT MANAGEMENT USING a PROJECT MANAGEMENT
... Need for Strategic Planning for Project Management INTRODUCTION For more than 40 years, American companies have been using the principles of project management to get work accomplished Yet, for ... methodology allows for checklists and forms for accurately determining the time, cost, and quality impact resulting from scope changes It also puts in place a regimented process for scope change ... planning efforts must focus on the best interests of all of an organization’s stakeholders, not merely a few GAP ANALYSIS There are two primary reasons for wanting to perform strategic planning for...
Ngày tải lên: 14/08/2013, 13:47
WDM Optical Switching Networks Using Sparse Crossbars Yuanyuan Yang Department of Electrical &
... same cost, we list only one item for each of single stage designs without distinguishing their communication patterns For the threestage implementation, we list the comparison for permutation ... table, we compare the designs for permutation and multicast switching networks under the single stage and three-stage implementations Since single stage switching networks for permutation and multicast ... verified for a WDM optical switching network under wavelength-based model by using Theorem 2, Theorem 3, and [16], [17] For a WDM optical switching network under the fiberlink-based model, we can perform...
Ngày tải lên: 24/10/2013, 04:15
IP for 3G - Networking Technologies for Mobile Communications
... this 1.4 Economic Reasons for 'IP for 3G' As already indicated, IP for 3G is about reducing costs There is nothing that IP for 3G will enable that cannot already be done in 3G - at a price IP is ... reasons for why IP's design principles are a good thing and therefore should be worked into 3G are discussed 1.2.2 3G What is meant by '3G' in the context of this book? '3G' is short for 'third ... components of a 3G systems - for example, the access technology - to provide opportunities for IP technologies such as Wireless LANs to be used 3GIP - 3GIP (www.3gip.org) was formed in May 1999...
Ngày tải lên: 27/10/2013, 17:15
Tài liệu ADC KRONE - GUIDE - Planning for 10GbE networks docx
... rate For example, over 90% of switch port sales in 1995 were for the 10Mbps Ethernet protocol Yet in that same year, the primary UTP cabling installed was the 100Mbps Category 5, accounting for ... gives TIA/EIA responsibility for developing measurable parameters for the cable and connectors When in doubt, follow the IEEE lead The IEEE 802.3 Study Group was formed to discuss how best to ... solution The additional capacity is required to compensate for active hardware noise parameters such as jitter and quantisation Realising that the cabling plant is designed to support the requirements...
Ngày tải lên: 10/12/2013, 03:15
Tài liệu Computing for Numerical Methods Using Visual C++ docx
... (317) 572-4002 Wiley also publishes its books in a variety of electronic formats Some content that appears in print may not be available in electronic formats For more information about Wiley products, ... important for the user to know the underlying concepts in solving the problem Computing for Numerical Methods Using Visual C++ is one effort to integrate C++ with the visual solution to problems using ... i++) { for (j=1;j
Ngày tải lên: 10/12/2013, 14:15
Tài liệu Syngress Building DMZs for Enterprise Networks pptx
... IIS Server for FTP Configuring an IIS Server for SMTP Checklists Windows 2000 Server Hardening Checklist IIS Hardening Checklist (WWW, FTP, and SMTP) For World Wide Web Service (HTTP) For World ... network analysis using NAI Sniffer and Airmagnet for wireless network analysis Michael’s prior published works include Cisco Security Specialist’s Guide to PIX Firewalls (Syngress Publishing, ISBN: ... technologies for Syngress Publishing, including the only book dedicated to the Sniffer Pro protocol analyzer Robert has worked on the following Syngress Publishing titles: Building DMZs for Enterprise Networks...
Ngày tải lên: 21/12/2013, 05:17
Tài liệu Addressing profitability challenges in Advanced Fiber Management for FTTP networks ppt
... Management for FTTP networks Advanced fiber management systems incorporate the latest techniques for optimizing access networks for accessibility and time required to reconfigure, perform maintenance, ... quick OTDR trace is performed, fault isolation accomplished, and a technician is dispatched to fix the problem Using a maintenance fiber in the FDH cabinet, a test link is established between every ... +1-952-917-3237 • For a listing of ADC’s global sales office locations, please refer to our website ADC Telecommunications, Inc., P.O Box 1101, Minneapolis, Minnesota USA 55440-1101 Specifications published...
Ngày tải lên: 21/12/2013, 07:17
Tài liệu Designing Security for Microsoft Networks doc
... Designing Security for Accounts .9 Lab A: Designing Security for Accounts .21 iv Designing Security for Microsoft® Networks Module 8: Creating a Security Design for Authentication ... Security for Computer Use .6 Appendix B: Designing Policies for Managing Networks Overview Lesson: Analyzing Risks to Managing Networks Lesson: Designing Security for Network ... information and sorting through the details to resolve the given security requirement Audience This course is intended for IT systems engineers and security specialists who are responsible for...
Ngày tải lên: 21/12/2013, 19:15
Tài liệu IP for 3G - (P1) doc
... this 1.4 Economic Reasons for ‘IP for 3G As already indicated, IP for 3G is about reducing costs There is nothing that IP for 3G will enable that cannot already be done in 3G – at a price IP is ... reasons for why IP’s design principles are a good thing and therefore should be worked into 3G are discussed 1.2.2 3G What is meant by 3G in the context of this book? INTRODUCTION 3G is short for ... detail in Chapter 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 There is also a second...
Ngày tải lên: 24/12/2013, 09:17