Ppt on 3g wireless networks

3 G DATA ACCESS TECHNOLOGIES.

the International Telecommunication Union (ITU) family of standards under the International Mobile Telecommunications programmer, IMT-2000. 3G technologies enable network operators to offer users a wider range of more advanced services. Services include wide-area wireless voice telephony, video calls, and broadband wireless data, all in a mobile environment. 3G Wireless Combines a mobile phone, laptop PC and TV Features includes: - Phone calls/fax - Global roaming/


1/82 Future Wireless Standards and the Emergence of WiMAX Jeff Reed (540) 231-2972 James Neel

of Broadband”, September 2003 WLAN <100m 802.11n,p,s,y WPAN <10m WiBree 71/82 802.22 Wireless Regional Area Networks (WRAN) –First explicit cognitive radio standard –Aimed at bringing broadband access in rural and remote areas –Takes /com/article/technology-media-telco-SP- A/idUSSP31345620070904http://www.reuters.com/article/technology-media-telco-SP- A/idUSSP31345620070904 Because 3G took so long to deploy, WiMAX may pass it by Source: http://www.wimaxforum.org/technology/downloads/ WiMAX_and_ IMT_2000/


The Future of Wireless in Education Some Thoughts Peter M. Siegel CIO, University of Illinois at Urbana-Champaign Networking 2001 Washington,

Lease excess capacity from ITFS licensees –Revenue sharing/equipment and technical support –Shared network Use excess capacity to provide video or fixed wireless broadband services –The only broadband option for some –DSL/cable modem competition for others Two way authority makes spectrum more valuable to ITFS licensees What is 3G Next (third) generation cell phone service Provides data at faster speeds, but is/


COMP2221 Networks in Organisations Richard Henson April 2014 ?pd_id=425&pl1_id=28&pl2_id=138

Wireless Cards Cabled network cards can communicate only with other cabled network cards Cabled network cards can communicate only with other cabled network cards  wireless network cards can in theory communicate with any “other” nearby networks participating in an “ad hoc” wireless networkparticipating in an “ad hoc” wireless network/ varietygreater variety HSUPA HSUPA  faster uplink speed: theoretical max 5.76 Mb Advantages of 3G? Some are still use, and happy with 900 & 1800 MHz GPRS Some are still/


INTRODUCTION NEED FOR WIRELESS COMMUNICATION DIFFERENCE BETWEEN WIRELESS AND CORDLESS COMMUNICATON EARLIER DEVELOPMENTS GENERATIONS OF THE WIRELESS COMMUNICATION.

personal digital assistants (PDAs), and wireless networking. Other examples of wireless technology include GPS units, garage door openers and or garage doors, wireless computer mice, keyboards and headsets, satellite television and cordless telephones. Wireless networking (i.e. the various types /broadband access of several Mbit/s to laptop computers and smartphones. The following standards are typically branded 3G: the UMTS system, first offered in 2001, standardized by 3GPP, used primarily in Europe, Japan/


3G VS. WIFI 1www.123seminarsonly.com. Introduction  3G refers to the collection of third generation cellular technologies that are designed to allow.

spectrum to provide mobile telephone coverage Each Mobile base Station support users up to several kms The First mobile Services were Analog Wireless Mobile Services has been Telephony Data rates : AMPS > 2G >3G 3www.123seminarsonly.com  Implementation The first pre-commercial 3G network was launched by NTT DoCoMo in Japan branded FOMA, in May of 2001 on a pre-release of W-CDMA technology/


Some Definitions Tanvir A Niazi. What is "HSCSD"? HSCSD stands for High-Speed Circuit-Switched Data. It was a system used for data calls on GSM networks.

Rev A", "EV- DO Rev A" What is "3G"? 3G, or Third Generation, is a somewhat generic term for network technologies that the ITU classifies as part of their IMT-2000 specification. Generally, wireless network technologies must be able to provide a mobile device with a/ What is "NTT DoCoMo"? NTT DoCoMo is Japans largest wireless network carrier. They offer 2G PDC service and were the first in the world to offer 3G service with their WCDMA based FOMA network. The company is the developer and licensor of the i/


Beyond 3G Standards and R&D Activities October 9, 2002 Dr. Young-Kyun Kim Vice-Chair, ITU-T SSG on IMT-2000 and Beyond Senior Vice-President, Samsung Electronics.

instead of ‘Walled garden’  Terminal  Always connected  Used as wallet, diary, PDA, etc.  Learning and adapting environments  Network  Interworking (vertical handover) and co-working  Support of Mobility, Security, QoS etc.  At least 10 times faster than existing mobile wireless systems 5/39 Integration of Beyond 3G UMTS/IMT-2000 WLANS 1982199220012010 Mobile Multimedia Voice+Data Voice 1G1G1G1G 2G2G2G2G 3G3G3G3G GSM 900/1800 IS/


1Presentation_ID Spring VON 2001Session 32 – 4G Wireless: Future of VoIP 4G Wireless: Future of VoIP Michael A. Ramalho (moderator) Mauricio Arango (Sun.

of 4G/Application Architecture/API efforts/ … Walled-garden vs. bazaar/Impact of wireless LANs on 4G Phil Neumiller (3Com): – Overcoming 3G & legacy cellular/Spectrum allocation madness/… 3G stuff to carry to 4G / 4G Network & technology opportunities Dana Blair (Cisco Systems): – 4G: “The end of the Intelligent (services) Network” Question and Answer Panel 4G Wireless: Future of VoIP Session Outline 12 Spring VON 2001 © 2001, Cisco Systems/


NB:The views expressed herein are those of the authors and are not necessarily those of the European Commission 6th Framework Programme: Mobile and Wireless.

herein are those of the authors and are not necessarily those of the European Commission BEYOND 3G: TECHNOLOGICAL CHALLENGE Co-operative Networks Co-operative Networks Wireless Protocols, all IP (v6) Security across different layers & Privacy,  Resource and Mobility management, QoS, Network management, flexible billing system, Advanced network architectures, new accesses Network planning techniques and tools System Architecture (e.g ad hoc + services) dynamic spectrum usage Software Defined/


COMP2221 Networks in Organisations Richard Henson April 2013 ?pd_id=8&pl1_id=1&pl2_id=44

medium bandwidth & longer distances using radio waves Wireless Transmission Hardware & Software Wireless network cards have a small aerial for network connection instead of a RJ45/BNC socket Wireless network cards have a small aerial for network connection instead of a RJ45/BNC socket Hubs / of scale greater varietygreater variety HSUPA HSUPA  faster uplink speed - theoretical max 5.76 Mb Advantages of 3G? Some are still happy with 900 & 1800 MHz GPRS with its limited multimedia facilities! Some are still /


WIRELESS COMMUNICATIONS KOREA TELECOM’S WIMAX DEPLOYMENT IN KOREA: CAN THE EMPIRE STRIKE BACK? Group Project April 20, 2004 Jaein Jeong, Ph.D., EECS Dina.

competitive advantage as a “one-stop shopping” Promise of better price performance to 3G wireless users -VoIP and fixed flat rate aligned Bundling of Wimax with DSL or local/long-distance - 26 - LIMITATIONS AND DISCUSSION POINTS Refinement of the initial business case analysis Growth potential of WiFi core customers Network implementation cost Possible disadvantage of high dependency upon foreign solution providers Qualcomm in/


寬頻無線之 服務與應用趨勢 蔡志宏 國立台灣大學電信工程研究所. Outline 知識經濟與寬頻無線發展 What has happened in broadband access ? Emerging Services in Future Wireless Communications Location.

radio (for all kinds of air interfaces) –All IP and Optical network (in core network) –Broadcasting and Mobile Convergence The Cycle of 2G, 3G and 4G years Subscribers(%) 3G Services 4G Services 2G services 3.5G service 2.5G service Layered structure of a seamless future network of complementary access systems for the fixed/wireless/mobile user terminal ( Source : Book of Visions 2000 ) 4G Application and/


TELIT GROUP Industries for Telecommunications 1 20th February 2002 3G wireless systems: UMTS SCHOOL ON DIGITAL AND MULTIMEDIA COMMUNICATIONS USING TERRESTRIAL.

–scrambling codes made by shifting a unique mother code TELIT GROUP Industries for Telecommunications 23 3G wireless systems: UMTS ICTP - Miramare CDMA – Technology review Synchronous & asynchronous networks Synchronous network: all BS are tightly synchronised (e.g. through GPS) Asynchronous network: BS are not supposed to be synchronised In synchronous networks we can use a set o scrambling codes made from shifts of a unique mother code/


Prospects for 3G Mobile Communications Market and Technology January, 2004 NEC Corporation January, 2004 NEC Corporation 1. 3G Mobile Market Status 2.

: Multimedia Resource Function Processor CSCF: Call Session Control Function MGCF:Media Gateway Control Function 3G CS PSTN Next Generation Mobile Network SGW © NEC Corporation 2004 Confidential 22 ・・・ Service Applications/ Contents IP based Service Platform IMS Mobile Packet Network Fixed Packet Network Interne t 2G/3G Mobile ADSL / Fiber HSDPA/EUDCH Wireless Access Wired Access Cable WiFi WiMAX Business Trip Office Hot Spots Residence Transportatio n One/


3G & Application Platforms For Cellular Networks.

the other. “Global phones” will be able to roam from one to the other. cdma2000 Advantages of CDMA as 3G Wireless Technology CDMA Has Been Proven to be Superior to other Digital Technologies with Respect to:  Coverage  CDMAs spread spectrum signal provides the greatest coverage in the wireless industry, allowing networks to be built with far fewer cell sites than is possible with other/


The 2G, 3G, 4G & 5G Wireless Network Infrastructure Market: 2016 – 2030 – with an Evaluation of Wi-Fi and WiMAX

and questions if any. sales@reportsandreports.com 2© ReportsnReports.com / Contact sales@reportsandreports.com The 2G, 3G, 4G & 5G Wireless Network Infrastructure Market: 2016 – 2030 – with an Evaluation of Wi-Fi and WiMAX Despite the ongoing decline in/ and questions if any. sales@reportsandreports.com 5© ReportsnReports.com / Contact sales@reportsandreports.com The 2G, 3G, 4G & 5G Wireless Network Infrastructure Market: 2016 – 2030 – with an Evaluation of Wi-Fi and WiMAX What strategies should be adopted/


All Rights Reserved © Alcatel-Lucent 2008 MWC 2009 – Workshop Alcatel-Lucent End-to-end LTE Enabling your next-generation wireless business with LTE.

 Proven leadership in inter-techno QoS & service continuity for data & H-QoS VoIP, with:  CDMA/LTE: Unmatched mastery of IP, EV-DO, enhanced EVDO (eHRPD), Wireless Network Guardian  GSM-WCDMA/LTE: Field-experience on OFDMA-2G/3G mobility (proven at MWC08)  Unified RRM, OAM solution 2.Industry leadership in technology interworking Field-proven Multi-standard experience allows zero-footprint, Low TCO roll-out/


TECHNICAL CHALLENGES IN FUTURE WIRELESS COMMUNICATIONS Professor M Darnell HW Communications Limited University of Leeds UK ICWMMN 2006 7-9 Nov Keynote.

ADOPTION OF GLOBAL STANDARDS, AS WITH 3G BEYOND 3G (B3G) WIRELESS NETWORKS LIKELY TO COMPRISE CO-EXISTING & CO-OPERATIVE LEGACY & NEW NETWORKS (VIEW OF WIRELESS WORLD RESEARCH FORUM (WWRF)) BEYOND 3G (B3G) WIRELESS NETWORKS LIKELY TO COMPRISE CO-EXISTING & CO-OPERATIVE LEGACY & NEW NETWORKS (VIEW OF WIRELESS WORLD RESEARCH FORUM (WWRF)) NEW NETWORKS WILL INCLUDE MOBILE AD HOC NETWORKS (MANETs), WHERE: NEW NETWORKS WILL INCLUDE MOBILE AD HOC NETWORKS (MANETs), WHERE: MANETs DEFINED AS “TRANSIENT/


AdministrativeAdv. Wireless Comm. Sys.1 Advanced Wireless Communication Systems Administrative Lectures: Thursday 17:10-20:00, Bld. 28, Rm. 301 Lecturer:

several channels (4? out of 64) Total claimed data rate 64 kbps Circuit and Packet switched access IS-95B for 2.5 CDMA Lectures 1 & 2: Overview Adv. Wireless Comm. Sys.35 3G Wireless Networks (IMT-2000) Major Requirements Global coverage and mobility for 144 - 384 kbps Limited coverage and mobility for 2 Mbps High spectral efficiency Circuit Flexible for new services Main Camps/


Wireless Systems: Where are we heading?

attachment The need for mobility creates the need for integration of wireless networks into existing fixed network environments: local area networks: standardization of IEEE 802.11 Internet: Mobile IP extension of the internet protocol IP wide area networks: e.g., internetworking of 3G and IP Current Situation Technological trends Issues in Wireless Systems Wireless vs Fixed Wireless LANS Wireless PANs Cellular Technological Trends Advances in Technology more computing power in/


Overview of 3G. 2 Why 3G? Higher bandwidth enables a range of new applications!! For the consumer –Video streaming, TV broadcast –Video calls, video clips.

CURITEL Kyocera LG Electronics Motorola Nokia Samsung Sanyo SK TeleTech Wireless Modem AirPrime AnyDATA GTRAN Novatel Wireless Sierra Wireless 36 First steps to 3G  270 commercial GPRS networks  141 networks deploying GPRS/EDGE  84 commercial EDGE networks (source: GSA, May 16, 2005)  121 commercial Cdma2000 1x networks (source: CDG, May 13, 2005) 3G  WCDMA: 134 licenses awarded  71 commercial WCDMA networks (source: GSAMay 12, 2005)  22 commercial CDMA 1x EV/


Wireless Communications Professor Andrea Goldsmith

802.11ac,ad Rate 3G 802.11n Wimax/3G 2G 802.11b WLAN 2G Cellular -Diminishing returns by beating on the same areas for optimization -Other network tradeoffs not even considered -Fundamental breakthroughs both in the way wireless networks are designed and in /of operation in ISM bands Focus is primarily on low power sensor networks Tradeoffs 802.11n 3G Rate 802.11g/a Power 802.11b UWB Bluetooth ZigBee Range Scarce Wireless Spectrum $$$ and Expensive Spectrum Regulation Spectrum a scarce public resource, /


Myungchul Kim mckim@icu.ac.kr Ch 8. Cellular Networks Myungchul Kim mckim@icu.ac.kr.

row of 64 x 64 Walsh matrix Digital bit stream modulated onto the carrier using QPSK modulation scheme Enabling Technologies Wireless Network Evolution to 3rd Generation 3G 2 Mbps CDMA2000 3XRTT (UMTS) CDMA Migration W-CDMA (UMTS) 1G-2G Migration 500 kbps TDMA Migration /) as compared to 30 KHz (GSM) and 5 MHz (3G). Ricochet: 40 -128 kbps data rates. Bankruptcy Flash-OFDM: 1.5 Mbps (upto 3 Mbps) IEEE 802.11 vs 3G Cellular 4G Systems Wireless networks with cellular data rates of 20 Mbits/second and beyond. AT/


通訊產業發展推動小組 1 Dual Networked Related Developments in Taiwan Roger Jen-Chieh Cheng Project Leader, Committee of Communication Industry Development (CoCID),

~40% in rural area, support environment of eight million subscribers for wireless internet access Elevate abilities of the telecom industry: localization of fundamental network facilities –Substitute importing facilities to increase value of domestic telecom industries Stimulate/ Authorization and Accounting) vs. Credit card or micro-payment High bandwidth at low price : (WLAN vs. GPRS/3G) Real time video: Video surveillance, video conference, video phone MP3 download (with DRM) Always-connected : IMPS (Instant/


Setting up of Carrier Class

and E2E Manageable Carrier Wi-Fi Network with Wireless Access Points (WAP), Core Network Elements (WAC/WAG) and integration/Wireless Access Gateway(WAG) Video Audio Servers Open/Walled Garden QuadGen Wi-Fi Access Points (WAP) QuadGen 5G WiFi NW - Service &Operation Features NW architecture : like GSM / 3G / 4G etc .. WAP(as BTS),WAC( as BSC/RNC) and WAG (as MSC / GGSN) with Back haul Reliability & Availability of NW : 99.999% Network Management : Centralized Provisioning, Activation and Monitoring like 2G/3G/


Wireless Technologies

B$ payed in Germany for 6 UMTS licenses!) 2001 - Start of 3G systems Cdma2000 in Korea, UMTS in Europe, Foma (almost UMTS) in Japan 2002 – Standardization of high-capacity wireless networks IEEE 802.16 as Wireless MAN Wireless Evolution Timeline Broadband Wireless Milestones: Summary Source: J.Andrews, A. Ghosh, R. Muhamed, Fundamentals of WIMAX Wireless Systems: From Narrowband to Broadband What do service providers need? Highest possible/


Chapter 3: Wireless WANs and MANs

w/multimedia.) Proposals for IMT-2000 UWC-136, cdma2000, WP-CDMA UMTS (Universal Mobile Telecommunications System) from ETSI 3G Standards: UMTS and IMT-2000 UTRA (was: UMTS, now: Universal Terrestrial Radio Access) Enhancements of GSM EDGE (/on the ground: Globalstar Some History: Why wireless ATM? Today we face two major trends in communications: broadband multimedia and mobility. Thus there is a strong demand for broadband wireless networks which support advanced multimedia applications running on /


A Tutorial on Multiple Access Technologies for Beyond 3G Mobile Networks Speaker: Chen-Nien Tsai Authors: A. Jamalipour et al. IEEE Communications Magazine,

3G Multiple Access Technologies Multiple Access Technologies For B3G Systems Multiple Access Technologies For B3G Systems Conclusions Conclusions 2005/5/103 Introduction (1/3) Beyond third-generation (B3G) wireless cellular systems... Beyond third-generation (B3G) wireless cellular systems... –can achieve high-data-rate transmission. –are capable of delivering multiple services to users. –should provide services comparable to those offered by wired networks. –Multimedia, VoIP, network/


Ch1 Introduction to Wireless Communications & Networks Reading materials: [1]Overview of wireless communications [2] 移动通讯词汇(中英)

Power Dissipation 1 mW 10 mW 100 mW 1 W 10 W 0 GHz2 GHz1GHz3 GHz5 GHz4 GHz6 GHz 802.11a UWB ZigBee Bluetooth ZigBee 802.11bg 3G Emerging Systems Ad hoc wireless networks Sensor networks Distributed control networks Ad-Hoc Networks Peer-to-peer communications. No backbone infrastructure. Routing can be multihop. Topology is dynamic. Fully connected with different link SINRs Design Issues Ad-hoc/


Future Wireless Network Architecture Driven by Broadband Data Traffic

, Middle East Developed comprehensive tools to model broadband wireless networks What is the impact on ROI? 10/28/09 © Copyright Wireless 20/20, LLC. – All rights reserved Mobile Industry Trends Evolution to Data-centric Mobile Networks Data is growing faster than voice on today’s 2G and 3G networks Need for scalable backhaul as all-IP 4G networks develop Emergence of Smartphone Applications Driven by mobile email/


Wireless Communication

. 50 B$ payed in Germany for 6 UMTS licenses!) 2001 - Start of 3G systems Cdma2000 in Korea, UMTS in Europe, Foma (almost UMTS) in Japan 2002 – Standardization of high-capacity wireless networks IEEE 802.16 as Wireless MAN Broadband Wireless Milestones: Summary Source: J.Andrews, A. Ghosh, R. Muhamed, Fundamentals of WIMAX Wireless Systems: From Narrowband to Broadband What do service providers need? Highest possible consumer/


Professor Andrea Goldsmith

Developments Internet and laptop use exploding 2G/3G wireless LANs growing rapidly Huge cell phone popularity worldwide Emerging systems such as Bluetooth, UWB, Zigbee, and WiMAX opening new doors Military and security wireless needs Important interdisciplinary applications Future Wireless Networks Ubiquitous Communication Among People and Devices Wireless Internet access Nth generation Cellular Wireless Ad Hoc Networks Sensor Networks Wireless Entertainment Smart Homes/Spaces Automated Highways All/


Beyond 3G LTE/EPC (SAE ) LTE: Long Term Evolution SAE: System Architecture Evolution (Now EPC: Enhanced Packed Core)

2 Phase 1 Phase 0 Phase 3 AN first evolution path CN first evolution path Evolution Phase 3G Evolution ( Evolution to 3G ) Long Term Vision (B3G) 4G Vision 4G Vision 4G will be a fully IP-based integrated system of systems and network of networks wired and wireless networks (e.g.: computer, consumer electronics, communication technology…) Providing 100 Mbit/s and 1 Gbit/s, respectively, in/


3G Wireless Systems Nachiket Mehta Wireless Networks CSG250.

Wireless Systems Nachiket Mehta Wireless Networks CSG250 OUTLINE  3G Overview Advantage, Capabilities, Organizations, IMT- 2000 radio interface, Technologies, Evolution pathsAdvantage, Capabilities, Organizations, IMT- 2000 radio interface, Technologies, Evolution paths  UMTS-FDD / WCDMA Spreading Codes, Physical layer, Mac layer, RLC layer, RRC layerSpreading Codes, Physical layer, Mac layer, RLC layer, RRC layer Hand OverHand Over Power ControlPower Control QoS SupportQoS Support  What’s next after 3G/


Wireless Networking WiFi 802.11b/g/a Bluetooth 3G PCS 802.11s Mesh.

Blocks High-Speed Access Anywhere, Anytime Environments WirelessSwitches At HomeOn the RoadAt Work Security Access At School Wireless Technologies PAN (Personal Area Network) LAN (Local Area Network) WAN (Wide Area Network) MAN (Metropolitan Area Network) PANLANMANWAN StandardsBluetooth802.11a,11b,11gHiperLAN2802.11 MMDS, LMDS GSM, GPRS, CDMA, 2.5-3G Speed < 1Mbps 2 to 54+ Mbps 22+ Mbps 10 to 384Kbps RangeShortMediumMedium-LongLong ApplicationsPeer-to-PeerDevice-to/


11 Dennis Roberson SVP – CTO 3G and Hot Spot Networking.

End User Experience –54Mb/s vs. 1-2Mb/s –All existing and future Internet applications already work slide courtesy of Les Eastwood (and Could Threaten 3G) 27 Wireless Internet Local Access & Control Data Only No Roaming Private Network WLAN Today High Speed – Point Coverage Technologies Geared toward Data in the Enterprise Slow Data Rates Global Roaming High Speed Mobility Cellular Today Low Data/


© 2000 Altera Corporation 3rd Generation Wireless Technical Solutions Seminar.

Corporation 29 Summary © 2000 Altera Corporation 30 W-CDMA System Implementation with Altera © 2000 Altera Corporation Global Wireline/ Wireless Market Trends 1995-2010 0 200 400 600 800 1,000 1,200 1,400 1,600 1996 1998 200020022004 2006/ and subtract it from the real signal. © 2000 Altera Corporation 77 Evolutionary GSM Core Network USIMME RNC 3G MSC/ VLR SCP HLR GGSN 3G SGSN PSTN/ISDN Packet data network (internet, X.25,..) BTS Echo Cancellation required Key Specification  64ms minimum delay  Varying/


1 CCM 4300 Lecture 5 Computer Networks: Wireless and Mobile Communication Systems Dr E. Ever School of Computing Science.

MHz range. Requires new or upgraded infrastructure Potential for broadband wireless services Since 2006, UMTS networks in many countries have been or are in the process of being upgraded with High Speed Downlink Packet Access (HSDPA), sometimes known as 3.5G. Up to 21 Mbit/s. 28 IMT-2000 ITU’s approach to 3G wireless “Umbrella” activity from ITU: mainly European interest, though international/


1 INTEGRATION OF WIRELESS LAN AND 3G WIRELESS Design and Implementation of a WLAN/CDMA2000 Interworking Architecture Team 3 692415154 郭大毅 692415159 林育德.

standards and support data rates of 1~54 Mb/s  3G: based on the CDMA2000 and support peak rates 144 Kb/s ~ 2.4 Mb/s  Given the complementary of :   WLAN: faster short-distance access   CDMA2000: slower long-range access  Figure 1  Figure 1 illustrates a conceptual view of the integrated public wireless network 5 6 INTRODUCTION (cont.)  Home AAA service: authentication; authorization/


6: Wireless and Mobile Networks6-1 Chapter 6 Wireless and Mobile Networks Computer Networking: A Top Down Approach Featuring the Internet, 3 rd edition.

p-to-p link 4 Mbps UMTS/WCDMA-HSDPA, CDMA2000-1xEVDOk 3G enhanced 6: Wireless and Mobile Networks6-8 Elements of a wireless network network infrastructure infrastructure mode r base station connects mobiles into wired network r handoff: mobile changes base station providing connection into wired network 6: Wireless and Mobile Networks6-9 Elements of a wireless network Ad hoc mode r no base stations r nodes can only transmit/


EE 522: Wireless Communications Dr. Ghazi Al Sukkar 1.

.alsukkar Office Hours: See website. Prerequisites: EE421 Preferred EE422 and EE426 Textbook: Wireless Communications, Principles and Practice. 2nd edition or above, Theodore S. Rappaport. References: Wireless and Cellular Telecommunications, 3 rd edition, William C. Y. Lee, 2006. 2 Course Syllabus: Introduction: Wireless Communicatios. Cellular Networks principles: 2G systems: GSM: Spread Spectrum Techniques. 3G systems: UMTS Orthogonal Frequency Division Multiplexing. 4G systems: LTE-Advance For details/


1 3G In-Building Coverage Challenges 3GSM World Congress Asia 27 th September, 2005.

 Offer a dominant pilot signal, enabling more efficient use of CDMA sectors  Utilize buildings to provide isolation between cells and limit noise rise on the network 9 The differences between 2G and 3G in-building design 10 LGC Wireless Confidential 2G GSM indoor design is simple  -85 dB (2-3 bars) is good enough  If the macro coverage inside the building is OK/


NEW TRENDS IN WIRELESS COMMUNICATION TECHNOLOGY (WITH SUITABLE MULTIPLE ACCESS) Manoj Kr. Shukla Associate Professor Dept. of Electronics Engineering Harcourt.

, applications, Websites. Low cost, low barriers to entry Low cost, low barriers to entry Organizations can build own networks Organizations can build own networks –Like the Internet, will grow virally Opportunity for entrepreneurs! Opportunity for entrepreneurs! Opportunity for wireless operators? Opportunity for wireless operators? Critical For 3G — Continued Growth In China CDMA IS-95 (2G) has been slow to launch in China CDMA IS-95/


Overview of 3G. 2 Why 3G? Higher bandwidth enables a range of new applications!! For the consumer –Video streaming, TV broadcast –Video calls, video clips.

CURITEL Kyocera LG Electronics Motorola Nokia Samsung Sanyo SK TeleTech Wireless Modem AirPrime AnyDATA GTRAN Novatel Wireless Sierra Wireless 36 First steps to 3G  270 commercial GPRS networks  141 networks deploying GPRS/EDGE  84 commercial EDGE networks (source: GSA, May 16, 2005)  121 commercial Cdma2000 1x networks (source: CDG, May 13, 2005) 3G  WCDMA: 134 licenses awarded  71 commercial WCDMA networks (source: GSAMay 12, 2005)  22 commercial CDMA 1x EV/


Fundamentals of Multimedia 2 nd ed., Chapter 17 Li, Drew & Liu1 Chapter 17 Multimedia Over Wireless and Mobile Networks 17.1 Characteristics of Wireless.

Li, Drew & Liu26 Fundamentals of Multimedia 2 nd ed., Chapter 17 Wideband CDMA (WCDMA) 3G wireless networks have been predominantly using Wideband CDMA (WCDMA). The key differences in WCDMA air interface from a /2 nd ed., Chapter 17 Table 17.1: Evolution from 2G to 3G Wireless Networks Li, Drew & Liu28 Fundamentals of Multimedia 2 nd ed., Chapter 17 New Generation of Multimedia Services Bandwidth made available by 3G networks gives rise to applications not previously available to mobile phone users. ‐/


Cellular Networks and Mobile Architectures. Mobile Telecommunications Air Interface Cell Tower Mobile Switching Office PSTN Public Switched Telephone.

AMPS networks Offers efficient coverage and is well suited to emerging applications, such as wireless virtual private networks (VPNs)Offers efficient coverage and is well suited to emerging applications, such as wireless virtual private networks (VPNs/DECT IMT-SC (single carrier). TDMAIMT-SC (single carrier). TDMA IMT-2000 Terrestrial Radio Interfaces Transition to 3G 3G: Third Generation Mobile Telephony  WCDMA: Wideband Code Division Multiple Access Technology for wideband digital radio communications of/


Cellular Networks.

a rate of 1.2288 Mbps using one row of 64 x 64 Walsh matrix Digital bit stream modulated onto the carrier using QPSK modulation scheme Enabling Technologies Wireless Network Evolution to 3rd Generation 3G 2 Mbps CDMA2000 3XRTT (UMTS) CDMA Migration W-CDMA (UMTS) 1G-2G Migration 500 kbps TDMA Migration 2.5G EDGE 150 Kbps CDMA-2000 1XRTT 100 Kbps GPRS/


Cellular and Mobile Wireless Networks

Cellular and Mobile Wireless Networks Advanced Computer Networks Cellular/Mobile Wireless Outline Cellular Architecture Cellular Standards GSM, 2G, 2.5G, 3G and 4G LTE Mobile Definitions Agents, addresses, correspondent Mobile Architecture Registering Indirect Routing Direct Routing Advanced Computer Networks Cellular and Mobile Wireless Advanced Computer Networks Cellular and Mobile Wireless Cellular Network Architecture connects cells to wide area net manages call setup handles mobility MSC covers /


Chih-Lin I –1 Wireless Internet Networking (Carriers’ Perspective) Chih-Lin I Wireless & Access Technologies AT&T IP Architecture IAB Wireless Workshop.

Fixed BB access  Cable  DSL  FWS  etc A/B/C Internet, Intranet, HomeLAN, PersonalNet Core Capability, not “product”! Chih-Lin I –39 3G.IP Supporter of IP centric networking  Reference Network Architecture Evolved from GPRS Formed May 99 10 Operators  AT&T Wireless, BT, TIM/CSELT, Rogers Cantel, Telnor, T-Mobil, Telia, SBC, Bell South, Japan Telecom 7 Suppliers  Ericsson, Nokia, Lucent, Nortel, Motorola/


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