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HSDPA Technology ZTE University TD&W&PCS BSS Course Team Content Driver to HSDPA HSDPA Theory HSDPA Terminal and Commercial Situation HSDPA Solution Driver to HSDPA Competition to operator 2.5G GPRS: 9.05 -171.2kbit/s, Service deployment is bad CDMA2000 1x: 153.6kbit/s, Service deployment is good 3G CDMA 1x EV-DO: 2.4Mbit/s WCDMA R99/R4: 2Mbit/s R9 Peak data rate (Kbps) Mean data rate (Kbps) Introduce Introduce HSDPA HSDPA to to WCDMA Driver to HSDPA The driver to HSDPA High Speed Downlink Packet Access HSDPA is a new technology to enhance WCDMA PS data service HSDPA gives subscribers new experience of more higher speed data service with shorter time delay HSDPA brings more bandwidth and more online subscribers It is necessary and feasible to introduce HSDPA to WCDMA network With consideration of network planning and deployment cost, HSDPA should be applied at the beginning, or at least the Node B should hardware ready for HSDPA HSDPA brings new requirement of transmission and network planning Pay more attention to it Driver to HSDPA HSDPA, Mature technology 2002.6 R5 released 2003.6 HSDPA (High Speed Downlink Packet Access) was added into R5 HSDPA Max downlink data rate: 14.4Mbps HSDPA is smoothly evolved from WCDMA R99 without any big effect to the existing R99 network new transport channel: HS-DSCH new physical channels : HS-PDSCH, HS-SCCH and HS-DPCCH MAC-hs sub-layer, HARQ (Fast Hybrid Automatic Repeat reQuest), Fast Scheduling and AMC (Adaptive Modulation and Coding) Driver to HSDPA Competition advantage of HSDPA Standard Data rate (Mbps) Subscribers per cell WCDMA R99/R4 2M 31×PS64k, 15×PS128k or 7×PS384k (SF=32, SF=16 or SF=8) 14.4 64 (117.7kbps per user, SF=16, R=3/4, 16QAM) HSDPA CDMA2000 1x EVDO 2.4 59 (only tens of kbps, 200kbps when users is configured) HSDPA supports more users while provides higher data rate! Driver to HSDPA Perspective of HSDPA application HSDPA handset HSDPA coverage HSDPA Modem HSPDA data card WCDMA R99/R4 coverage HSDPA PDA Higherdata datarate rate Higher Moreusers users More Richerservice service Richer Obviousadvantage advantagetotocompete competewith with Obvious other3G 3Gtechnology technologylike likeCDMA2000 CDMA2000 other HSDPAModem Modem HSDPA HSDPAfixed fixedterminal terminal HSDPA Flexibleaccess access Flexible HSDPAdata datacard card HSDPA HSDPAPDA PDA HSDPA Mixedwith withWMAN WMAN(WiMAX) (WiMAX) Mixed andWLAN WLAN(Wi-Fi), (Wi-Fi),more moreadvantage advantageofof and broadbandwireless wirelessaccess access broadband HSDPA, roundly improves the value of WCDMA network Content Driver to HSDPA HSDPA Theory HSDPA Terminal and Commercial Situation HSDPA Solution HSDPA Theory Evolve from R99/R4 to HSDPA UE RLC RLC UTRAN MAC MAC-d MAC (add MAC-hs) HS-DSCH DSCH FP FP HS-DSCH DSCH FP FP L2 L2 L1 L1 MAC-hs PHY PHY (add channels) PHY PHY (add process) Uu Iub/ Iur RNC, Node B: add HS-DSCH FP protocol process, involve Iub/Iur Node B: add MAC-hs, responsible for AMC, HARQ, etc Node B: add physical channels: HS-PDSCH,HS-SCCH,HS-DPCCH UE: add MAC-hs, physical channels and process, modulation HSDPA Theory New physical channels of HSDPA DCCH(信令)+UL DTCH(PS业务) DPCH HS-PDSCH CN UE UTRAN HS-DPCCH DL DTCH (PS业务) R99 channel HSDPA channel HS-PDSCH is the bearer of HS-DSCH, transfer HSDPA user data (downlink) 2ms TTI, slots, spread factor is fixed to 16, multiple users & multiple codes, modulation method: QPSK and 16QAM HS-SCCH bears information of HS-DSCH such as UE specialized mask code, modulation and coding policy, etc (downlink) 2ms TTI, slots, spread factor is fixed to 128 HS-DPCCH bears feedback information of HS-PDSCH such as Channel Quality Indication (CQI), H-ARQ confirm information ACK/NACK, etc (uplink) 2ms TTI, slots, spread factor is fixed to 256 HSDPA Solution Network analysis for HSDPA and R99/R4 After the 3G network construction, the basic demand of WCDMA network should adopt HSDPA function, with soft smooth upgrade ability HSDPA is not constructed as a individual network, HSDPA is a enhanced technology of WCDMA (throughput, users) Network construction and plan for R99 and HSDPA based on the “one-shot planning, multi-stage deployment” HSDPA and R99 share the same network, Node B supports HSDPA function At dense traffic area (capacity is restricted), HSDPA can share the same site of R99 and achieve the same coverage of it Capacity and coverage is a balance relationship, increase the network performance to the maximum by making a balance between them HSDPA Solution HSDPA for major area Area type Square (km2) Erl Dense urban 91.5 3527 Urban 179.78 4873 Suburb 3000.5 2100 total 3271.78 10500 Major area occupy 80% traffic Major area have no more than 10% proportion Fully HSDPA coverage for major area! Major area : dense urban + urban HSDPA Solution HSDPA outdoor coverage AMC Adaptive modulation Good channel state: 16QAM Adaptive coding rate Good channel state: 3/4 Node B HSDPA requires a good channel condition for high speed service: Good channel state Near to Node B Micro Node B is more suitable for HSDPA At beginning, HSDPA is suitable for micro Node B coverage of outdoor hotspot HSDPA Solution HSDPA indoor coverage HSDPA indoor coverage CBD (focus on) Office, hotel, etc Shopping center, airport, etc the indices of indoor distributed components (like power distributor) required by HSDPA and R99 are same, So the existing indoor distributed system of R99/R4 is suitable for HSDPA Pico B01 C RRU B03 R Power distributo r Fiber Twisted pair Feeder Concern of HSDPA indoor coverage Is capacity of the existing indoor distributed system enough ? Is the transmission enough? Transm ission Macro Node B or base band pool Macro Node B + Indoor distributed system Macro Node B/base band pool + RRU + Indoor distributed system Micro Node B + Indoor distributed system Pico Solution Is the existing indoor distributed system of R99/R4 suitable for HSDPA? HSDPA Solution HSDPA network planning case study Planning Area: 30Km2 Subscribers: 80000 Number of sites Site radius (S111) Existing R99 52 537m planning Existing R99 sites HSDPA planning Planning the same number of sites as R99/R4 NE Cost of NE CN Same RNC Add % Node B Add 10 % Total cost Advantage The capacity of PS Add % increases 80 ~120 % HSDPA Solution HSDPA transmission solution HSDPA requires more transmission resource, because of the changing of capacity of Node B and traffic mode For capacity R99 cell peak data rate: 7×384Kbps=2.688Mbps HSDPA cell peak data rate: For traffic mode The PS traffic mode will change greatly, more PS traffic will rush into HSDPA system 15×960Kbps×3/4 = 10.8 Mbps Peak throughput of HSDPA cell is times as that of R99 cell Peak traffic of 3CS HSDPA Node B: 10.8×3×1.3×80% = 32M Peak Peakthroughput throughputofofHSDPA HSDPAcell cellisis44times timesas asthat thatofofR99 R99cell, cell,and and mean meanthroughput throughputofofHSDPA HSDPAcell cellisis22times timesas asthat thatofofR99 R99cell cell Consider Considerboth bothcapacity capacityand andtraffic trafficmode, mode,transmission transmissionresource resourceofofIub Iub atatbeginning beginningshould shouldbe bereserved reserved44times timesas asbefore beforeor oratatleast least22times times HSDPA Solution ZTE serialized Node B support HSDPA flexible update Features Iub Interface After HSDPA Update Before HSDPA Update After HSDPA Update Control Before HSDPA Update HSDPA Processor HSDPA Processor DL Coder UL Decoder DL Base-band UL Base-band Mid-frequency Advanced design , HSDPA functions have been embedded into hardware Just update software to support HSDPA functions No additional hardware is needed! HSDPA Solution ZTE Node B hardware support HSDPA HSDPA functions have already been embedded into ZTE serialized Node B hardware The base-band processing chip supports 16QAM modulation Only software update is needed for Node B to support HSDPA Powerful base-band processing ability For the case of updating the R99 cell into R99/HSDPA, no more base-band processing board is needed for Node B As for RNC and CN, the introduction of HSDPA will only increase the data traffic which means only additional interface hardware resource are needed ZTE Node B is designed based on the most advanced HSDPA technology in the world It is absolutely ensured that to upgrade from R99 to HSDPA, no board is required to be changed! The base-band processing board also possesses a unique feature that is it supports the networking of HSDPA and R99 with either the same carrier or not! The most advanced base band processing in the world! HSDPA Solution ZTE serialized Node B totally support HSDPA BBUA indoor/outdoor base-band pool: maximum processing capacity is up to 15CS B01C pico Node B: 1C1S configuration BBUB B01C B09A B09 B06C B03C/B03R B09 indoor macro: support up to 3C3S and 6CS RRU B09A outdoor macro: support up to 3C3S and 6CS RRU B06C/B03C indoor/outdoor micro: support up to 2C3S/3C1S B03R indoor/outdoor RRU: support up to 3C1S HSDPA Solution ZTE HSDPA Roadmap HSDPA terminal, 06/1Q test, 06/2Q commercial Version V4.5 HSDPA PC card, 05/3Q test, 06/1Q commercial Serialized Node B hardware support HSDPA Completed HSDPA trial system R5 HSDPA Phase I V4.0 V3.0 V2.0 R5 HSDPA Phase II R4 HSDPA commercial phase I R99 2003/2Q HSDPA commercial phase II 2004/4Q 2005/3Q 2006/1Q Time HSDPA Solution HSDPA PC card (MU330) Functions WCDMA 2.1GHz, GSM900/1800/1900 WCDMA 384KDL/128KUL, GPRS Class 10 SMS, Voice HSDPA ETSI AT command interface OS: Windows 2000, XP Language: Chinese, English, etc 3V SIM/USIM card HSDPA Solution HSDPA handset (Q508) Functions WCDMA, GSM900/1800/1900 WCDMA 384DL/128KUL, GPRS Class 10 Voice, MMS, WAP, Email, JAVA, Download Video phone, Streaming media, PTT LCS (A-GPS) MP3/MPEG4 Blue tooth/USB/mini-SD HSDPA Specs Dual camera (2000K pixels) Dual LCD: 260K colors Main LCD: 2.2” ( 240×320 ) MIDI: 72 chord HSDPA Solution ZTE HSDPA solution conclusion ZTE serialized Node B is already hardware ready for downlink 14.4M, only software upgrade is needed ZTE RNC and CN, unified platform, 80G switching capability, high integration, high capacity, smooth evolution, to ensure the deployment of HSDPA HSDPA can share carrier with R99/R4, or use a exclusive carrier Support handover between HSDPA, R99/R4 and 2G Support simultaneous service of HSDPA and voice (or video telephony) Support at least 64 users per cell HSDPA can share base band board with R99/R4 All the Node Bs support HSDPA Exercise pls describe the differentia of HSDPA and R4 HSDPA introduce new physical channels, they are ( )( ) pls describe the key technology of AMC pls describe the key technology of HARQ pls write down the main quick scheduling methods )( ... likeCDMA2000 CDMA2000 other HSDPAModem Modem HSDPA HSDPAfixed fixedterminal terminal HSDPA Flexibleaccess access Flexible HSDPAdata datacard card HSDPA HSDPAPDA PDA HSDPA Mixedwith withWMAN... reserved44times timesas asbefore beforeor oratatleast least22times times HSDPA Solution ZTE serialized Node B support HSDPA flexible update Features Iub Interface After HSDPA Update Before HSDPA. .. 是啊, 明天去吧 Multimedia Download Download Multimedia NEWS MOVIE Cartoonmail mail Cartoon MUSIC Content Driver to HSDPA HSDPA Theory HSDPA Terminal and Commercial Situation HSDPA Solution HSDPA Solution