Andmeside IRT 0030 loeng_3

Transcription

1 Andmeside IRT 0030 loeng_3 Avo 15. sept 2010 Subject:WANLAN 51

2 Areng 52

3 Lairiba 53

4 Ühildamatus 54

5 Multiradio 55

6 Spektri kasutuse efektiivsus 56

7 Mobility Mobility is the killer-app for Broadband Wireless Access Mobile voice is well-established (rapidly replacing wireline) Mobile multimedia data is becoming more important But, competition is significantly more brutal here Metro-scale WLANs, Mesh networks, 4G(?) Multi-technology solutions will predominate - Issues related to the real-time, QoS provisioning can be addressed but never perfectly Business model for competing in this field is currently unclear 57

8 Erinevad seadmed (db) 58

9 Sageduskasutus täna ( 10) 59

10 Mistahes... (... any...) Over Any Radio Network PANs, LANs, CANs, MANs, WANs GSM, CDMA, TDMA, PCS, GPRS, PDC, WLAN, 3G UWB etc... Web Content Communications Data Enterprise Data Directory Data Application Data Any Data (to which the user is entitled) To Any Device 60

11 Võrgud WANs Personal-area networks P2P networks Campus networks Metro broadband networks Satellite networks, GPS Cable replacement, room networks Sensor networks Home networks 61

12 Subscriptions in million Penetration Mobiilterminali tehnoloogiad Global Mobile subscriptions by technology (m) WCDMA GSM CDMA Other 120% 100% % % % % 0 0% NSN BI Forecast, Aug

13 Koolikasutus Work mode Collaborative work Virtual Learning Environment Preparation & Planning Classroom Testing & Assessment Self study / homework Process timeline

14 Kooskasutus Device Convergence Identity Convergence IM SMS/MMS Fixed phone# Mobile phone# User ID# Network Convergence Wireline WLAN - WiFi Seamless Handoff Cellular WMAN - WiMAX Applications/Capabilities Data, voice, video, multimedia One contact list, calendar and voice mail Single sign-on, multiple devices and applications Centralized presence status (online, busy, offline) for all applications and devices 64

15 Mobiilsus 65

16 Wireless broadband Wifi WiBro WiMAX Flash-OFDMA WiMAX m HSPA LTE 1XEvDo TD-CDMA iburst TD-SCDMA 66

17 Ajakava GSM, EDGE EDGE Evolution WCDMA HSPA HSPA+ TD-SCDMA I-HSPA (pre-lte) LTE WiMAX e (Mobile) WiMAX d (Fixed)

18 Terminali mobiilsus Fixed access Nomadic Portable Simple mobility Full mobility Indoor/outdoor modems Residential gateways Laptops, PC Card Laptops PDAs Laptops PDAs Laptops PDAs Mobile phone CPE for fixed application Laptops, PDA, internet tablets and mobile devices for portable/mobile application 68

19 Features of IPv6 Virtually unlimited number of addresses IPv4: Total 4.3B IPv6:3.4X10 28 per capita. Hierarchical Addressing Efficient network administration Security function is standard Authentication in EC etc., secured traffic Framework for QoS guarantee (flow label): Stream data (voice, video) Easy configuration by Plug&Play IP enabled information appliance Multicasting is standard one-to-many, conversion of broadcasting and communications Interconnection with Mobile Network Seamless interworking between fixed network and mobile network via MobileIP 69

20 Lingid (3) s_for_mobile_networks_enhanced_logic ess 70