4G Mobile Networks. (c)copyright Samsung Electronics CO. LTD, 2000, Samsung Electronics Proprietary 1

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1 4G Mobile Networks (c)copyright Samsung Electronics CO. LTD, 2000, Samsung Electronics Proprietary 1

2 > Overview 4G Mobile Networks Related Technologies Network Evolution All IP Networks (c)copyright Samsung Electronics CO. LTD, 2000, Samsung Electronics Proprietary 2

3 Overview Definetions of 4th Generation Mobile Networks What is 4G mobile Network? (c)copyright Samsung Electronics CO. LTD, 2000, Samsung Electronics Proprietary 3

4 Overview(Continued) Generations of Celluar Networks 1st Generation(1G Mobile Networks) Analog Systems(AMPS, TACS, etc) No global standards CDPD(Cellular Digital Packet Data) supported for AMPS 2nd Generation(2G Mobile Networks) Digital Systems Several standards published(tia, ETSI) CDMA Systems(IS-95, IS-95A, IS-95B), USTDMA, GSM, PDC Current Major Systems GPRS(General Packet Radio Services) supported for GSM (c)copyright Samsung Electronics CO. LTD, 2000, Samsung Electronics Proprietary 4

5 Overview(continued) IMT-2000 Systems (3G Mobile Networks) Mostly, wide-band CDMA based technologies in the air interface High-speed packet data services over the air Wireless/Mobile Multimedia services High Speed provided over the air 144 kbps(vehicle) 384 kbps(pedestrian) 2Mbps(indoor) (c)copyright Samsung Electronics CO. LTD, 2000, Samsung Electronics Proprietary 5

6 Overview(continued) Cdma2000 Evolving from 2G CDMA systems Standardization Organization : 3GPP2 Backward compatible to 2G CDMA systems 1x systems will be available this year 3x : MC(Multi-Carrier) UMTS Wideband CDMA technologies Standard Organization : 3GPP Evolved from GSM(TDMA), but with new air interfaces DS(Direct Spreading) (c)copyright Samsung Electronics CO. LTD, 2000, Samsung Electronics Proprietary 6

7 Overview(continued) Limitation of 3G Networks Maximum speeds in the air : 2Mbps Separate Core Networks Voice Core Networks Data Core Networks Non-perfect global roaming supported ATM-based technologies used in networks 4G Mobile networks (Prospects) Higher rate in the air than 2Mbps Integrated core networks will be supported for all the services Global roaming supported Maybe IP-based technologies still used in networks (c)copyright Samsung Electronics CO. LTD, 2000, Samsung Electronics Proprietary 7

8 Overview > 4G Mobile Networks Related Technologies Network Evolution All IP Networks (c)copyright Samsung Electronics CO. LTD, 2000, Samsung Electronics Proprietary 8

9 4G Mobile Networks Activities for 4G Mobile Networks NSF s Tetherless T3(U.S.A.) T3 rate wireless communications(45mbps) Europe s ACTS(Advanced Communication Technologies and Services)/FRAMES(Future Radio wideband Multiple access Systems) Europe s PCC(Personal Computing and Communication) Japan s Post IMT-2000 (NTT Docomo) (c)copyright Samsung Electronics CO. LTD, 2000, Samsung Electronics Proprietary 9

10 4G Mobile Networks(continued) Drivers for 4G Mobile Networks Globalization of companies Globalization of products and services Communicating Appliances Services become independent of infrastructure Standardization diversification Education increasingly important Information trading (c)copyright Samsung Electronics CO. LTD, 2000, Samsung Electronics Proprietary 10

11 4G Mobile Networks(continued) Service Attributes Paradigm change User friendly, integrated, personalized service Location Service Push Service 10,20,155 Mbps data service based on broadband multipath radio(5ghz band) IP based broadband cellular network service (c)copyright Samsung Electronics CO. LTD, 2000, Samsung Electronics Proprietary 11

12 4G Mobile Networks(continued) Potential Applications Virtual navigation Telemedicine Infostation Telegeoprocessing applications Crisis management applications Education via the internet Mobile computer networks Computer- and network-aided remote collaboration Neighborhood access (c)copyright Samsung Electronics CO. LTD, 2000, Samsung Electronics Proprietary 12

13 Overview 4G Mobile Networks > Core Technologies required Network Evolution All IP Network Architecture (c)copyright Samsung Electronics CO. LTD, 2000, Samsung Electronics Proprietary 13

14 Core Technologies required Wireless Technologies Channel Models, Measurements, and Analysis Network Protocols Matched to Channels Fast Protocols/Algorithms for Temporally-Spatially Varying Channels Multi-user system design and deployment for Capacity and QoS RF/Millimeter Frequency Design Tools and Fabrication Techniques Antenna Design and Component Research Interference, Security, Ad-Hoc Networks and Their Coexistence (c)copyright Samsung Electronics CO. LTD, 2000, Samsung Electronics Proprietary 14

15 Core Technologies required(continued) Signal Processing Smart antennas Investigation of the interaction among the numerous signal processing algorithms and tasks in a highly mobile, high bit rate, and wireless communications environment Exploitation of the mobile/base station asymmetry for signal processing tasks Identification and investigation of important signal processing tasks for very large bandwidth, high frequency, and unreliable channels (c)copyright Samsung Electronics CO. LTD, 2000, Samsung Electronics Proprietary 15

16 Core Technologies required(continued) Networking/Mobile Computing Hierarchical, mobile, ad hoc network architecture Ad hoc peer-to-peer wireless networks Cellular wireless network architectures effective and fair support of widely diversified traffic components adaptivity to rapidly changing network conditions ability to interact with the application layers, providing critical information about network resources ability to interact with the physical layers (antennas, channel modulation and coding schemes, power control) so as to best utilize the channel in changing conditions (c)copyright Samsung Electronics CO. LTD, 2000, Samsung Electronics Proprietary 16

17 Core Technologies required(continued) System Issues How integrated services will be supported Dynamic resource allocation Joint source and channel coding Overall system topology Integration of all layers of the protocol stack How to optimize the combined multiple adaptive subsystems, such as error correction, interference suppression, and multipath abatement (c)copyright Samsung Electronics CO. LTD, 2000, Samsung Electronics Proprietary 17

18 Core Technologies required(continued) Mobile Applications Caching (data replication) Smart push and seamless pull for predictive prefetching based on user profiles using multicast network protocols Transaction management (recovery, modeling) Software adaptability (including query optimization) Security Computing paradigms for information access over high bandwidth wireless links. (client-server, client-agent-server, proxies, etc.) (c)copyright Samsung Electronics CO. LTD, 2000, Samsung Electronics Proprietary 18

19 Core Technologies required(continued) Mobile Applications Fault tolerance/recovery to solve some of the problems associated with increased error rates as the bandwidth increases Extensive research in data modeling, database query languages, uncertainty management, and indexing according to the mobility Location dependent data and applications (including queries based on mobility direction) Organization and content of Broadcast data Interfacing with and querying networking services (c)copyright Samsung Electronics CO. LTD, 2000, Samsung Electronics Proprietary 19

20 Overview 4G Mobile Networks Core Technologies required > Network Evolution All IP Networks (c)copyright Samsung Electronics CO. LTD, 2000, Samsung Electronics Proprietary 20

21 Network Evolution Figure Mobility and information transfer rate relationships between second, third and fourth generation wireless systems (c)copyright Samsung Electronics CO. LTD, 2000, Samsung Electronics Proprietary 21

22 Network Evolution(continued) Evolution Steps Current Cellular Networks Radio Access Networks Separate Voice Core Networks and Data Core Networks Evolve to Integrated Core Networks (maybe IP Core Networks) first, IP core networks provide Gateway interface to current Radio Access Networks then, Radio Access Networks will be connected via IP interface(the first step may be skipped)(at this stage, all MS may use IP for all the services) then, IP-based BSS(Base Station System) BSC and BTS connected via IP networks (c)copyright Samsung Electronics CO. LTD, 2000, Samsung Electronics Proprietary 22

23 Network Evolution(continued) Mobile Network Evolution(3G --> 4G) (c)copyright Samsung Electronics CO. LTD, 2000, Samsung Electronics Proprietary 23

24 Overview 4G Mobile Networks Core Technologies required Network Evolution > All IP Networks (c)copyright Samsung Electronics CO. LTD, 2000, Samsung Electronics Proprietary 24

25 All IP Networks 3GPP2 TSG-P TSG-A IP for IOS TSG-N Exploratory 3GPP2 TSG-S Core-IP Ad-Hoc Other Other Factors Factors IETF IETF (e.g., MGCP) (e.g., MGCP) Carrier Carrier Networks Networks e.g. Sprint e.g. Sprint TINA-C TINA-C ITU-T ITU-T SG-16 SG-16 H.323 H.323 ATM ATM Forum Forum All-IP Standard 3GPP IP Forum Evolved GPRS? TIPHON CDG WI&IS MWIF (c)copyright Samsung Electronics CO. LTD, 2000, Samsung Electronics Proprietary 25

26 All IP Networks(continued) 3GPP All IP Network for R00 Architecture for All IP Network(TR v1.0.0) All IP Network based on ERAN(EDGE-RAN) and UTRAN for R00 All IP Network Options Evolutionary IP Network : Migration from R99(ATM based) to R00(IP based), UMTS voice service and VoIP service. Revolutionary IP Network : Fully new IP network for R00 Characteristics Based on an evolution of GPRS Common network elements for multiple access types including UTRAN and ERAN Packet transport using IP protocols IP Client enabled terminals Support for voice, data, real time multimedia, and services with the same network elements. (c)copyright Samsung Electronics CO. LTD, 2000, Samsung Electronics Proprietary 26

27 All IP Networks(continued) R00 Reference Architecture : Revolution from R99 *, * $%& *% +,! $ # # $%&!* -!) "!" # ' (') (c)copyright Samsung Electronics CO. LTD, 2000, Samsung Electronics Proprietary 27

28 All IP Networks(continued) R00 Reference Architecture : Evolution from R99 *, * $%& # 0 12 ** * *. *%+,-.!!* /-.!,!) 4 " $ #!"!, # $ %& -. ' (') -. * *% +,-. * / %# % (%%%(2(4%%# %##% (c)copyright Samsung Electronics CO. LTD, 2000, Samsung Electronics Proprietary 28

29 All IP Networks(continued) 3GPP2 Activities Use a 3-step approach to move from current Network Reference Model to new reference model. Leverage existing efforts in the international community to work for a harmonized solution. All IP AdHoc will lead the efforts within 3GPP2 All IP AdHoc will develop requirements, stage-1, and new network reference model TSG-S will perform normal role TSG-A will continue to define access network interfaces TSG-N will provide core network support for signaling and services TSG-P will provide overall IP expertise and leadership and voice transport capability TSG-C will work to optimize air interface to determine where IP is terminated. All 3GPP2 WG MUST work very closely together to be successful (c)copyright Samsung Electronics CO. LTD, 2000, Samsung Electronics Proprietary 29

Chapter 2 The 3G Mobile Communications

Chapter 2 The 3G Mobile Communications 2.1 The Vision for Third Generation (3G) Mobile Communication Systems: The vision for the emerging mobile and personal communication services for the new century