Debashish  Bhattacharya
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Debashish Bhattacharya



Conference on Rural Telecom Markets by

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Debashish Bhattacharya Presentation Transcript

  • 1. ZTE –Wireless Strategies for Rural India
  • 2. Agenda • GSM Rural Area Solution  Low Cost Infrastructure Solution  Low-Cost OPEX Solution  Network Sharing Solution  Low-Cost Expansion • TCO Saving • Summary
  • 3. Low-Cost Infrastructure–CAPEX Analysis Soucrce: Yankee Group  Series BTS/NodeB for Different  ‘NetSpeed’ Coverage Enhanced Technology Scenarios  The Industry Largest Capacity for the BSC
  • 4. Low-Cost Infrastructure – ZTE iBSC  High Performance  Flexible Access  15,000 Erl  E1/STM-1  4200K BHCA  IP  3072 TRX  MW/Satellite  Cost Effective  High Reliability  Small Footprint 0.48  Commercial m2 application all over  3200 TRX/m 2 (incl the world TC)  MTBF> 100,000 hrs
  • 5. Low-Cost Infrastructure -ZTE SDR BTS Solution Macro Indoor BTS BBU+RRU Flexible Outdoor BTS for dense urban and combination difference Suitable for all kinds of area of high traffic, easy leads to flexible application scenarios, green and expansion low power consumption R8860 B8200 BBU is both for indoor and outdoor  Large capacity RU60 RU02 Interchangeable radio units GSM/UMTS co rack, saves investment BS8800 And expansion cost; BS8900
  • 6. Low-Cost Infrastructure -- G/U Software Defined Radio G G G G SDR Node B 4 Key Factors Re- S S S S Programmable M M M M 1. MCPA based wide band Radio Unit U U U U G G G G Radio Part G G G G S S S S M M S S S S M M 2. Sufficient output power with HPA T T U U U U T T M M M M M M M M 3. MicroTCA structure Band Unit S S S S T T T T S S S S 4. High integrity & process capability SDR Application Advantage  100% reuse existing hardware Multi-Mode Common Multi-Mode Control,  Flexibly configure your network Process &  Investment protection Baseband Unit Interface Baseband Unit  System evolvable GSM  UMTS  LTE GSM UMTS Traditional Node B Total Cost 2008 SDR ZTE SDR Solution Application GSM UMTS 2010 Total Capacity Fig: SDR can flexible adjust inter-system capacity Fig: SDR greatly saves investment cost
  • 7. Low-Cost Infrastructure -Distributed BTS Fiber Transmission RRU BBU RRU On the pole On the Wall BBU On the Wall In 2G BTS Rack In Transmission Rack
  • 8. Low-Cost Infrastructure– Outdoor RRU ZTE New Generation RRU Volume:500*320*172mm Weight:22.5 Kg Output Power:60W Power Consumption: 200W Rain Forest Freezing Storm Desert Certificate from Field Test ACT Laboratory Qualification from Qualification from USA FCC CEMC HongKong TUV PS 8
  • 9. Low-Cost Infrastructure– Micro BTS M8206 Operator’s Values  Save 1-1.5dB feeder loss  No Fans (save OPEX)  Non-offensive installation  Save the Installation Fee  Integrated Transmission IDU Type Manpo Da wer ys  The lightest 6 TRX compact BTS in the industry (20 kg/Module) Shelter 3 5  The Unique modularized design Macro 2 2  Nature dissipation system ( noise free ) BTS  Strong Temperature adaptability Compact 2 1 -45°C ~ +55°C BTS  IP 55 Standard Compliance Protection Save Installation Fee up to 85%!
  • 10. Innovative BTS M8206 Specification ► Capacity: 6TRXs/rack, expansible up to 18 TRXs ► Dimension: 540(H)*580(W)*305(D)(mm) ► Weight: 78Kg/6TRX, Single module < 20kg ► Working Temperature: -45°C~55°C ► Relative Humidity: 5%~98% ► Receiving Sensitivity: -112dBm ► ToC Output Power: 40W(GMSK) / 25W(8PSK) ► Power Consumption for S222:  Peak: 740W  Typical: 540W Modularizati Low Flexible All IP on Design TCO Application Structure Scenarios
  • 11. M8206 to Cover Villages BSC IP Transmission Network ► ZTE M8206 can fully support IP Abis Transmission ► Satellite & IP OFDM is the most cost-effective solution ► Support -48V DC input, facilitate with solar power system ► Supporting 110 V/220 V AC input, generator and wind power source Page 11
  • 12. ZTE Micro BTS for China Mobile (Chong Qing) Rural Coverage ► In 2000, China Mobile Chong Qing rural areas coverage project was awarded to ZTE. ► Until now, ZTE succeeded in continuous expansions, including swapping existing sites. ► ZTE has successfully deployed 13155 TRX / 4517 Site in Chong Qing rural areas.
  • 13. BS8900 to Cover Villages VELARIA BC8910 Heat Exchanger Reserved for  Outdoor BTS, no equipment Transmission room cost Lighting proof BBU  Super-low energy consumption RC8911  Build-in rectifier for AC FAN1 PDM1  6U spare space for equipment RU60/RU02 BATTERY  Support IP transmission Pedestal
  • 14. SDR Solution for TATA in India Highlights of TATA &ZTE’s Win-Win Case  SDR Base Station Large scale application Win-win between TATA & ZTE  use of existing infrastructure, saving CAPEX and OPEX  saving the expansion investment  2G, 3G are supported by SDR base station  Smooth evolution to the future 14 14
  • 15. Low-Cost Infrastructure– ZTE NetSpeed Solution  ZTE NetSpeed: Dual Power Combining Transmission (DPCT), Delay Diversity Transmission (DDT), IRC and Four Ways Diversity Receiving (FWDR). DPCT/DDT Normal IRC FWDR NetSpeed 80Km R 20%R Normal NetSpeed  Applying scenario: Rural area, Offshore, Island Receive -112dBm -118dBm  Cases Sensitivity  China Mobile Shandong - 80km PA Output 47.8dBm 50.3dBm  China Mobile Inner Mongolia - 65km TOC Output 46.8dBm 49.3dBm  Colombia Telefonica - 78 km
  • 16. Remote Coverage Successful Application Place Shandong, Yan tai scenario Offing and islands 80Km Distance 80 kilometers DPCT+TMA+ Technology Double TS Applying scenario Rural area, Offshore, Islands Other cases China Mobile Inner Mongolia, 65km Colombia Telefonica, 78 km
  • 17. Agenda • GSM Rural Area Solution  Low Cost Infrastructure Solution  Low-Cost OPEX Solution  Network Sharing Solution  Low-Cost Expansion • TCO Saving • Summary
  • 18. Low-Cost OPEX – Analysis  Flexible configuration on Abis interface  Higher Power Efficiency  IP Transmission Supported  Intelligent Power Management  Local Switch BSC Solution  Centralized NetNumen OMC System  Small Footprint for BSS Products
  • 19. Low-Cost OPEX– Lower Consumption Cost TSs Bias Current PA Situation Allocation Shutdown SCPA MCPA Base Band Base Band Base Band 45% Efficiency 35% Efficiency High PA Efficiency TS based PA Shutdown BCCH-TRX Traffic Priority Intelligent Power Management Power Consumption decreasing along with Traffic loading! Active TRXs/Site Carrier- Carrier- TSs Carrier- TSs Carrier- TSs Carrier- Carrier- 12 TRX 70% reduction in 90% Non-peak time! 80% Channel re- 6 TRX farming to 30% BCCH TRX 3 TRX Carrier- Carrier- TSs Carrier- TSs Carrier- TSs Carrier- Carrier- A B C H Traffic M Traffic L Traffic
  • 20. Low-Cost OPEX– High Efficient Dissipation  Nature cooling is common used in outdoor equipment, Hot Air decrease power consumption.  Reduce fan/AC, huge improvement of equipment Cold Air reliability. R8860 M8206  Outdoor BBU and RF cabinet use heat Hot Air exchanger and fans instead of AC, 80% dissipation Cold Air consumption saved. BBU Rack – Heat RF Rack – Internal Fans Exchanger
  • 21. Low-Cost OPEX – Efficient Transmission AMR/HR, Signaling AMR/HR Compression Abis E1 Multiplexing Local Switch DTX/VAD, SFS, IPHC, Full Dynamic Abis IP over E1 IP over FE Traditional TDM IP Switch Switch  Advanced TDM Solution: 30~40% transmission resource saved  Enhanced IP Solution: up to 70% transmission resource saved
  • 22. Low-Cost OPEX – Easy Maintenance NMS NML 1. Online diagnose & recover 2. Automatically restart within 60-90s on Northbound power failure Interface ZTE NetNumen 3. Remote sites/ TRX reset EML 4. Software remote update without service interruption Southbound Interface 5. External trunk node alarm – definable in OMCR GUI NEL BSC RNC 7. Web Access CN BTS Node B
  • 23. Agenda • GSM Rural Area Solution  Low Cost Infrastructure Solution  Low-Cost OPEX Solution  Network Sharing Solution  Low-Cost Expansion • TCO Saving • Summary
  • 24. Network Sharing Solution – Passive & Active Sharing Shelters and power supply sharing BTS + BSC Feeder System Towermasts sharing Radio Access Network Transmission  Sharing of physical sites, including  Besides all facilities, also sharing radio buildings, shelters, towers, masts, access network, transmission, and and power supply. common antenna & feeder system.
  • 25. Network Sharing Solution – Network Scenario S1: Multi Core S2: Common CN and S3: Common Network Common RAN Sharing Network’s Sharing  Common CN  Geographically split Common RAN  Common RAN  Coverage difference  Separate CN  Roaming principles  Common RAN BSS CN 1 BSS BTS F1 & F2 CN Operator 1 & 2 Operator 1 & 2 Operator 1 Operator A Shared CN BSS CN2 BSS BTS F1 & F2 Operator 1 & 2 Operator 2 CN Operator 1 & 2 Operator B Coverage Shared RAN Sharing MVNO (Roaming)
  • 26. Network Sharing Solution – Main Concerns  BSC sharing • Resource distribution and management, including Abis/A/Gb interface and TC/PCU  BTS sharing • Antenna & Feeder sharing • Transmission  OMM sharing • Access authorization control and management • Feature launching
  • 27. Network Sharing Solution – BSC Sharing  Make BSC sharing with highest Economy/Efficiency  Native IPstructure - make resource sharing easier.  Dynamic resource management - make sharing more efficiency.  Large capacity - easy handling of the heavier traffic caused by multi operators sharing.  Large multiPLMN capability - supports up to 16 PLMN
  • 28. Network Sharing Solution – Benefit  Less BTS Cost  Less civil works  Less rollout Million $ 200  Lower power cost 180  Ware housing 160  Less spare 140 120 100 80 Power 60 Consumption/month(KWh) 40 20 100 50 0 0 S444 S222 1/2 * S444 S222 S444 1/2 * S444 BSS Transmission(WM) AUX Power Consumption/month(KWh)
  • 29. Low-Cost Expansion– Increase Spectrum Efficiency  Spectrum Efficiency Improvement Technology Frequency Planning:  Frequency Hopping  Concentric Circle  GPS Synchronization  DFCA( Under Research) BS8800/8900 Anti-Interference:  DTX/DPC  IRC  SAIC  Antenna Hopping Conclusion: Voice Quality Improvement: With Spectrum Efficiency Features, S5/5/5 is available for  AMR Enhancement 6.2M band width only!  Voice Quality Enhancement
  • 30. Low-Cost Expansion – Spectrum Efficiency Case  With new technologies, increasing BTS site configuration in limited frequency bandwidth.  E.g. from S333 to S444 in 4.4 MHz. 22.8Erl/M Hz/Cell 17Erl/MHz/ Capacity Cell 141.78Erl GOS 2% 8Erl/MHz/ 5Erl/MHz/Cell Cell 102.66Erl 52.98Erl S444 44.7Erl S444 S333 S333 Site number can be Phase1 Phase2 Phase3 Phase4 greatly saved in Traditional ZXG10 iBSC & ZXG10 iBSC & ZXG10 iBSC & BTS B8036 B8036 B8036 Dense Urban Frequency GPS, GPS, GPS, Hopping, DTX, DFCA, DFCA DFCA, DPC AMR(100%) AMR(100%), SAIC(100%)