260 Kommunikatsiooniteenuste arendus IRT0080 Loeng 6/2008 Avo Ots telekommunikatsiooni õppetool, TTÜ raadio- ja sidetehnika inst.

261 Video vooülekanne Media Server (Pre- Encoded Video) Radio Network Controller RNC MAC Scheduling at Base Station Mobile User High bandwidth Time-varying with limited data rates

262 Mobiilside firmadelt algus...

263 Ühildatavus Access to people and information GSM/UMTS dual-mode terminals GSM terminals UMTS terminals GSM Radio Access UMTS Radio Access GSM/UMTS Core Network Internet/ Intranet + PSTN/ ISDN + GRAN (Iu)A Access to information and people (Data, Multi- media) Access to people (Voice, Video)

264 GSM & UMTS

265 Radio Resource Control (RRC ) Medium Access Control (MAC) Transport channels - grouped by method of transport Physical layer Layer 3 Logical channels - grouped by information content - User Data - Control and signaling Layer 2 1 Air Interface Direct RRC control of the physical layer Physical channels Physical Channels Distinguished by: - RF Frequency - Channelization Code - Spreading Code - Modulation (I/Q) Phase (uplink) - Timeslot (TDD mode) UTRAN OSI Model

266 Sagedusressurss (UMTS tarvis) 20 (35) MHz for TDD 2 * 60 MHz FDD DECT MHz GSM

267 Soft Handover UE UE (mobiil) ühendub mitme samal sagedusel töötava tugijaamaga Vajame mitmekiirelist vastuvõtjat => RAKE

268 Spreading Factor Chiprate Mchips/s User Bitrate kbit/s 3, Bitikiirus kasutaja tarvis

269 UMTS kasutus

270 WCDMA (3G) ja WiMAX

271 FDD või TDD f t ULDL Duplex gap  f  f f t UL DL 2  f Guard period Frequency division duplex (FDD)Time division duplex (TDD)

272 Sagedusalad (... aga)

273 Hübriidlahendus

274 Industry convergence

275 IMS layered architecture

276 GSM + teised võrgud Wireline xDSL CATV PS domain SIP SIP/ H.323 SIP/ H.323 3G-324M GW CS PLMN WLAN CS domain GSM CDMA WCDMA EDGE IP Multimedia domain

277 Interoperability Vendor YVendor XAB IMSGRX IMS Carrier  Carrier 

278 GSM areng GSM BSC MGW Connectivity backbone (IP,..., TDM) MSC Server SGSN Server SCP Connectivity Control Services/Applications HLR Appl Servers MGW GGSN Internet Intranets MGW PSTN/ISDN/ PLMN MSC Server H.323 MGW SIP GSM BSC PoC

279 Juurdepääs

280 I M S

281 IMS in 3GPP Release 5 Frozen in March 2002 IP Multimedia Subsystem (IMS) - Phase 1, basic –Basic architecture –Session Initiation Protocol (SIP) control –Session Definition Protocol (SDP) control –…

282 IMS in 3GPP Release 6 Frozen in March 2005 IP Multimedia Subsystem (IMS) - Phase 2, enhancements –3GPP enablers for services like Push to Talk over Cellular (PoC) Group Management –Conferencing –Messaging –Interworking with CS networks –Lawful intercept

283 Lingid (1)

284 Lingid (2) rking Mobile_Convergence_Alliance m