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WaveIN introduction

J
Jed Lee

This document provides an overview of three case studies for LTE in-building deployment using Wave-In's SDAS (Slim Distributed Antenna System) solution. The first case study describes deploying Wave-In's active MIMO SDAS in an Indonesian shopping mall, showing it improved average RSRP by 3 dB compared to the original passive DAS. The second case discusses using SDAS to enable carrier aggregation cost-effectively in a retail store. The third examines using SDAS to provide coverage in a Taiwan high-speed rail tunnel over 2 km, with the design including one HEU connecting to two RAUs. Specifications for Wave-In's indoor and outdoor FDD SDAS components are also provided

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Jay Huang December 2015 LTE In-building Deployment Case Study - for iBwave Seminar Taipei Section
Outline • Why indoor coverage is essential for LTE deployment? • 3 cases study for LTE in-building deployment • Wave-In SDAS solution highlight • How to choose cost-effective solution for for your indoor environment? • Benefit of using iBwave for in-building solution deployment
Why Indoor Coverage is Essential for LTE Deployment?
Analysis report indicates … indoor dominate data usage • Analysis report indicated more than 80 percent of data happened at indoor environment. In-building service become key differentiate point for LTE operator
Video dominates mobile data service 20192010 20132011 2012 2014 2015 2016 2017 2018 Mobile data traffic by application type (monthly ExaBytes) 20 18 16 14 12 10 8 6 4 2 0 File sharing Video Audio Web browsing Social networking Software download and update Other encrypted Other Segment 2 Source: Ericsson Consumer Lab (2013) 13x growth in mobile video traffic between 2013 and 2019 Two key environment for video APP: Transportation and in-building venue
Is your indoor meet video APP requirement? How to resolve the challenge for LTE in- building design? How to enlarge the video APP coverage (16QAM+64QAM) +MIMO to satisfy customer need? QPSK 16QAM 64QAM
3 Case Study for LTE In- building Deployment
Indoor Opportunities Case study today
Case 1: Cipinang Indah Mall Indonesia • iBwave Simulation assumption • Coverage Scale : CIPINANG Indah Mall LG floor, 150m x 110m, total 16500m^2. • In-building design: • Passive SISO is designed by SI (Winet); Passive MIMO is simulated by Wave-In • Active MIMO is designed by Wave-In (1.8GHz & 2.3GHz) • Note that simulation result might have offset due to limited interior material info. ; however, the results are good enough for performance comparison.
Indoor Design Architecture RF LG Floor Passive DAS System architecture (SISO) - Enable MIMO support, need to double cabling & antenna Active Slim DAS System architecture (MIMO support) fiber
Simulation Result Passive DAS – Avg. RSRP -81.6dBm Active Slim DAS LTE FDD 1.8Ghz – Avg. RSRP -78.5dBm RSRP simulation result – LTE TDD-2.3GHz Active S-DAS – Avg. RSRP -82.4dBm RSRP simulation result – LTE TDD-2.3GHz Active S-DAS – Avg. RSRP -80.9dBm
HEU Installation RF cable connect to Hauwei RRH Wave-In HEU Terminator 20dB coupler RF cable to HEU HEU connect to Hauwei RRH through 20 dB coupler because this trial is temporary site; RRH output is 43dBm (20W) but Wave-In HEU input signal spec. can up to 30dBm; Suggest adjust RRH output to 25-30dBm for permanent install and direct connect to HEU to avoid 20dB link budget loss on DL/UL for higher performance (affect SINR)
RAU Installation
SDAS Status Web GUI UL gain set 6dB to compensate 20dB coupler loss Clean fiber connect reduce fiber loss RAU output adjust from 20 to 21; UL gain 6 dB
Baseline Test : Passive DAS • Test date: Oct 19 PM 11:00 - 12:00 (No traffic condition) • Test Environment: CIPINANG INDAH MALL • Test Equipment: Samsung J5 + Speed test APP + G-Track APP • Test Point: As above figure shown Oct 19 2015 Speed test plus Q-track (Passive baseline 9:30 - 10:30 DL Tput Mbps UL Tput Mbps PING ms RSRP SINR RSRQ P1 52.87 9.85 17 -68 28.6 -7 P2 12.98 5.98 16 -86 6 -11 P3 25.95 9.12 14 -82 7 -9 P4 22.09 8.97 19 -78 20.6 -8 P5 28.22 9.51 17 -80 18.4 -7 P6 40.78 9.26 18 -80 22 -7 P7 46.16 9.37 16 -77 19.4 -7 P8 42.75 5.81 14 -80 21.8 -7 P9 52.86 9.17 14 -80 24.4 -7 P10 51.37 7.89 16 -85 23.2 -7 P11 39.84 6.04 15 -88 15.8 -7 P12 27.17 6.39 16 -87 13.6 -7 P13 27.76 7.13 18 -87 14 -9 P14 49.54 9.45 18 -83 19 -7 P15 52.95 9.61 15 -71 30 -7 P18 52.87 9.25 14 -75 30 -6 P19 52.78 8.87 14 -77 30 -6 Average 39.94 8.33 15.94 -80.24 20.22 -7.41
Wave-In SDAS Performance Test No Carrefour area test data due to site access issue in the midnight Because of MIMO, SDAS DL performance ~ 60Mbps compared to passive SISO ~39Mbps UL performance degradation because of 20dB link budget loss for coupler. Oct 21 2015 Speed test plus Q-track (Wave-In + external antenna + PA adjustment ) 11 pm DL Tput Mbps UL Tput Mbps PING ms RSRP SINR RSRQ Comment P1 72.6 4.51 18 -77 17 -7 P2 33.66 6.97 17 -79 17.2 -8 P3 30.2 5.94 16 -76 8 -8 P4 30.69 5.98 18 -80 12.7 -7 P5 38.55 6.04 15 -79 13.8 -8 P6 48.18 6.02 19 -73 15.1 -7 P7 61.65 4.7 18 -74 19 -6 P8 67.26 6.28 16 -77 17.2 -7 P9 74.23 6.5 19 -68 20.6 -7 P10 78.26 5.9 21 -75 18.4 -7 P11 76.64 8.21 18 -76 21 -7 P12 80.38 8.43 17 -71 24.8 -6 P13 78.33 6.19 18 -77 19 -6 P14 75.35 8.89 17 -67 22 -7 Average 60.43 6.47 17.64 -74.93 17.56 -7.00
RAU Installation Inside Carrefour • Install two RAU inside Carrefour as figure shown. Antenna Antenna RAU
Test Result Under 2 Carrefour Antenna Antenna 1: P22 Test on Oct 25 2015 AM Antenna 2: P16 Test on Oct 25 2015 AM
Simulation vs Actual Measurement RSRP simulation result – LTE TDD-2.3GHz Active S-DAS – Avg. RSRP -80.9 dBm RSRP Actual Measurement – LTE TDD-2.3GHz Active S-DAS – Avg. RSRP -78.17 dBm Cross check between simulation vs actual measurement indicated our simulation result approach 90% of accuracy within 3dB In addition, our SDAS performance outperform simulation tool expectation which is the indication of high quality active DAS system
Comparison for Passive & Active DAS Traditional Passive SISO DAS Wave-In S-DAS Schedule M day 1/2 M day (estimated by project team) Construction plus material cost N <N (estimated by BOM study) Supported BTS Macro Macro/pico/femto Performance SISO only; Voice oriented design Degrade gradually in upper floor Data oriented design (MIMO) >1.5 times performance ratio compare with passive SISO DAS Features E2E monitoring Environment sensing Auto-optics/RF calibration
Case 2: Retail Store Enable CA • Carrier Aggregation is a key feature for iPhone 6S and other high-end smart phone. • Instead of allocate two RRH (700MHz + 1800MHz) into retail store to enable CA feature; using SDAS solution connect outdoor site nearby is a cost effective solution. Lab test indicated that SDAS can help carrier enable CA with cost effective way (20Mbps +15Mbps)
Site Configuration LTE-700M RAU 700M LTE-1.8G Outdoor Antenna 1:20 directional coupler FET Tainan Retail HEU FD 1.8G HEU FD 700M RAU 1.8G Use SDAS RAU as a PA to push passive DAS design HEU Located with outdoor RRH 1/2 inch coaxial cable Fiber
Site Installation - HEU FET L700 RRH 1:20 coupler FET L1800 RRH Wave-In 700 & 1800 HEU
Site Installation - RAU Fiber out to RAU1800MHz Fiber out to RAU 700Mhz Disconnect L1800 RRH Disconnect L700 RRH Wave-In 1800RAU Wave-In 700RAU Passive Antenna Combiner
Wave-In SDAS Web GUI 700MHz Fiber loss 0.8 dB BTS input 25dBm after 20 dB coupler (TX~ 46dBm) RAU TX 21 dBm
Trial Test Result (700MHz/1800MHz) b. Retail store a. Office RAU installation area 10MHz+10MHz CA spectrum means spectrum efficiency ~ 5 bps/Hz; Test results showed SDAS can enable DL/UL CA in operator retail store to provide cost-effective solution
• SDAS is a good solution for HSR station, tunnel and MRT underground coverage. Case 3: HSR Coverage
• Design Criteria: • BBU and RRH located in Building 1, use Wave-In SDAS to extend LTE signal into train tunnel. • Need to carry FET and CHT 1800MHz LTE signal • RAU need outdoor type HSR Taoyuan Station Coverage BBU, RRU and Wave- In HEU Underground tunnel Fiber Wave-In RAU
• Coverage area from TK041+900 ~ TK044+340 • About 2km 440 tunnel use 5 RAU to cover • Need to consider train speed for no stop (~200Km/Hr) and stop service. • KPI: 95% RSRP>95dBm; peak data rate spectrum efficiency >3.5 HSR Taoyuan Station Coverage TK041+280 TK045+249TK042+285 Taiyuan HSR Station 8.桃園車站隧道&引道 892 & 2269 TK041+172~042+064 &TK042+506~044+775 : 3.6km N S TK045+249 Handover region TK043+500 TK043+000 TK042+100 TK041+900 B202 B236 1 2 3 5 TK044+340 4
• For performance consideration, assume non stop train speed >200Km/Hr, Wave-In design 1HEU to 2RAU in this case for better link budget margin. • Even though, Wave-In SDAS can relay two operator signal using one set of equipment, due to operator consideration on equipment property right, Wave-In design a system diagram as following: HSR Taoyuan Station SDAS Design HEU#1 HEU#2 HEU#4 HEU#5 OMC CHT BBU+RRH FET BBU+RRH 2 1 3 5 4 FETCHT 10m 3m3m FETCHT 10m 3m3m FETCHT 10m 3m3m FETCHT 10m 3m3m FETCHT 10m 3m3m N S HEU#3 HEU#6
Wave-In HEU Installation FET 1800MHz RRH CHT 1800MHz RRH Wave-In HEU for FET Wave-In HEU for CHT
Wave-In RAU & Antenna Installation Wave-In outdoor type HEU for FET Wave-In HEU for CHT Antenna for CHT Antenna for FET
Wave-In SDAS Web GUI large fiber loss 2.7dB ==> need to revisit the site RAU output power 21 dBm
Performance Snapshot (FET) TK043+500 TK043+000 TK042+100 TK041+900 B202 B236 1 2 3 5 TK044+340 4 　 P1 - TK041+900 P2 - 東正線北側逃生梯 口 (B202前) P3 - TK043+000 直達 車道旁 P4 - TK044+230 P5 - TK043+300 DL UL DL UL DL UL DL UL DL UL RSSI -53.9 -52.9 -44.1 -46.7 -43.5 -42.8 -44 -47.8 -50 -48.5 RSRP -82.6 -77.5 -73.9 -70.4 -73.2 -66.5 -74 -71.5 -78.3 -72.4 RSRQ -11.7 -7.7 -12.8 -6.73 -12.6 -6.74 -12 -6.75 -11.4 -7 DL T-put 32.9 　 41.6 　 48.7 　 57.1 　 44 　 UL T-put 　 18.4 　 21.5 　 17.3 　 18.7 　 18.4 P1 P2 P3 P4P5 Speed test result and optimization under process
Wave-In Comm. Slim DAS Solution
FDD Slim DAS Spec. (Indoor) HEU (Head End Unit) Dimensions (L x W x H mm ) (218 x 160 x 42 ) Operating Temp Range 0oC to +45oC Power Input POE:48V/1A max. RF Input Interface N Type Female x 2 RF Input Power 10~32dBm Input Return Loss Min. 14dB Optical Interface SC/APC x 2 No. RAUs/ Link Max. 3 RAU (Remote Antenna Unit) Dimensions (L x W x H mm ) (230 x 142.x 80) Operating Temp Range 0oC to +45oC Power Input POE: 48V/1A max Optical Interface SC/APC x 2 External Antenna (Optional) SMA Female x 2 RF Return Loss 10dB typical Downlink Output Power (MIMO) ~ 21 dBm (64QAM ;3%<EVM) Antenna Gain (option) 4 dBi
FDD Slim DAS Spec. (Outdoor) HEU (Head End Unit) Dimensions (L x W x H mm ) (218 x 160 x 42) Operating Temp Range 0oC to +45oC Power Input POE:48V/1A max. RF Input Interface N Type Female x 2 RF Input Power 10~32dBm Input Return Loss Min. 14dB Optical Interface SC/APC x 2 No. RAUs/ Link Max. 3 RAU (Remote Antenna Unit) Dimensions (L x W x H mm ) (240 x 240 x 7) Operating Temp Range 0oC to +55oC Power Input POE: 48V/1A max Optical Interface LC/APC x 1 External Antenna SMA Female x 2 RF Return Loss 10dB typical Downlink Output Power (MIMO) ~ 23 dBm (64QAM ;3%<EVM) Antenna gain (optional) 12 dBi
Slim DAS System Configuration
Source/Technology Independent • Source vendor independent. • Technology Independent: For example Band 3 DAS support LTE & GSM; Band 1 DAS support WCDMA & LTE. • Macro/Pico/Femto dynamic input range support (10dBm ~30dBm). • Output power adjustable and end node extension support.
Single Fiber for MIMO • Different than other active DAS, we design single fiber to support MIMO and DL/UL both on FDD and TDD model. • In old building like below, pipe are small and lack of space, you can use 1/2” pipe to deploy Wave-In Solution
Daisy & Hybrid Topology • Daisy and hybrid topology give you the most flexible configuration compare the other star topology active DAS. Layout change
Auto-Optics/RF Calibration • Auto-Optics/RF calibration feature fine tune fiber and RF link budget to facilitate fiber lose check when initial setting or configuration change. • Easy for initial setting, re-configuration and monitoring; note that during auto-calibration process, the system also detect and report fiber loss value. Auto Calibration Process
Environment Sensing • UL band environment sensing help in-band and adjacent-band NI scan to guarantee end user QoE. • Periodic or by commend reporting. Co-channel Adjacent channel Jamming Background noise
Single Band Multi Carrier Support • Co-Construction capability: • Wave-In DAS system can support up to 4 multi-carrier simultaneously. • Note that RAU TX power will evenly split; for example 3 operator each operator RAU TX become 23dBm -4.7dB ~18.3dBm (64QAM MIMO <3% EVM).
Wave-In SDAS Solution Key Differentiated Point 1. Single fiber support for MIMO. 2. Daisy chain & hybrid topology for deployment flexibility. 3. Auto-Optics/RF calibration for easy installation (A). 4. Environment sensing for troubleshooting and monitoring (B). 5. Single-band multi-operator support for co-construction (C). ! A B C
NCC TA
How to choose cost-effective solution for your indoor environment?
LTE Possible In-building Solution Small cell for Indoor Backhaul, Interference and HENET integration issues Expensive OPEX in terms of backhaul and HENET integration Repeater for Indoor Poor performance on interference and MIMO support issues Passive Distributed Antenna System DAS Performance depends on cabling (Especially UL) Poor performance on MIMO support issues No active monitor system Active E2E monitor system support Evenly distributed performance and optimized for MIMO Active Distributed Antenna System DAS Cost Effective OPEX & CAPEX Active DAS solution play an important role for LTE in building deployment Vendor BBU +RRU+DAS RF over CAT 5/6 limit distance and MIMO performance Expensive OPEX and CAPEX Vendor & technology dependent technology
Indoor Deployment Consideration for LTE Solution WiFi Capacity? Coverage? Capacity+ Coverage? Small Cell RRH+DAS Repeater DAS Multi-system? Yes No Multi-hole? 1:1 1:M Small Cell +DAS Business District Residential Area Radio DOT
Indoor Deployment Consideration Small cell? Passive DAS? Active DAS? The following table provides a guide as to technology fit and use. Table 2. Guide to DAS and small cells fit SMALL TO MEDIUM FLOOR BUILDING (RESTAURANT, SHOP) LARGE SINGLE FLOOR BUILDING (FACTORY) 2-5 FLOOR BUILDING 5-10 FLOOR BUILDING 10-20 FLOOR BUILDING OVER 20-FLOOR BUILDING AIRPORT, SHOPPING MALLS Indoor small cell 1 1 to 2 2 to 4 per floor depending on storey size, morphology and capacity Node B with DAS Not cost effective Not cost effective 1 Sector 1-2 Sectors 2-4 Sectors >4 Sectors >4 Sectors RRH with DAS Not cost effective Not cost effective 1 RRU 1-2 RRU (*) 2-4 RRU (*) >4 RRU (*) >4 RRU (*) RF repeater with DAS If low traffic Insufficient capacity If low traffic DAS type Small to medium area or 1-5 floors: Passive DAS Large area and more than 5 floors: Active DAS • By ALU small cell vs DAS white paper TOC analysis, here is the capacity & coverage guideline to choose solution. • Single floor environment : small cell (<1000m^2) • 2-6 floor building: RRH + passive DAS (<3000 m^2) • 6-15 floor building: RRH + active DAS (<10000m^2) • >15 floor building or airport shopping mall: n* Node B + active DAS
Benefit of using iBwave • LTE indoor deployment strategy need to consider a lot of factor • MIMO zone • APP coverage • CA coverage • … • Plus a lot of indoor solution suitable for different environment • A planning & simulation tool like iBwave can facilitate IBS project work. • iBwave did help Wave-In on following aspects • Support varieties of IBS solution simulation for TCO evaluation on pre-sales stage. • Accurate design and simulation before installation. • Accurate material BOM for project preparation. • Trouble shoot tool for RF performance guidance & project acceptance.

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WaveIN introduction

  • 1. Jay Huang December 2015 LTE In-building Deployment Case Study - for iBwave Seminar Taipei Section
  • 2. Outline • Why indoor coverage is essential for LTE deployment? • 3 cases study for LTE in-building deployment • Wave-In SDAS solution highlight • How to choose cost-effective solution for for your indoor environment? • Benefit of using iBwave for in-building solution deployment
  • 3. Why Indoor Coverage is Essential for LTE Deployment?
  • 4. Analysis report indicates … indoor dominate data usage • Analysis report indicated more than 80 percent of data happened at indoor environment. In-building service become key differentiate point for LTE operator
  • 5. Video dominates mobile data service 20192010 20132011 2012 2014 2015 2016 2017 2018 Mobile data traffic by application type (monthly ExaBytes) 20 18 16 14 12 10 8 6 4 2 0 File sharing Video Audio Web browsing Social networking Software download and update Other encrypted Other Segment 2 Source: Ericsson Consumer Lab (2013) 13x growth in mobile video traffic between 2013 and 2019 Two key environment for video APP: Transportation and in-building venue
  • 6. Is your indoor meet video APP requirement? How to resolve the challenge for LTE in- building design? How to enlarge the video APP coverage (16QAM+64QAM) +MIMO to satisfy customer need? QPSK 16QAM 64QAM
  • 7. 3 Case Study for LTE In- building Deployment
  • 9. Case 1: Cipinang Indah Mall Indonesia • iBwave Simulation assumption • Coverage Scale : CIPINANG Indah Mall LG floor, 150m x 110m, total 16500m^2. • In-building design: • Passive SISO is designed by SI (Winet); Passive MIMO is simulated by Wave-In • Active MIMO is designed by Wave-In (1.8GHz & 2.3GHz) • Note that simulation result might have offset due to limited interior material info. ; however, the results are good enough for performance comparison.
  • 10. Indoor Design Architecture RF LG Floor Passive DAS System architecture (SISO) - Enable MIMO support, need to double cabling & antenna Active Slim DAS System architecture (MIMO support) fiber
  • 12. HEU Installation RF cable connect to Hauwei RRH Wave-In HEU Terminator 20dB coupler RF cable to HEU HEU connect to Hauwei RRH through 20 dB coupler because this trial is temporary site; RRH output is 43dBm (20W) but Wave-In HEU input signal spec. can up to 30dBm; Suggest adjust RRH output to 25-30dBm for permanent install and direct connect to HEU to avoid 20dB link budget loss on DL/UL for higher performance (affect SINR)
  • 14. SDAS Status Web GUI UL gain set 6dB to compensate 20dB coupler loss Clean fiber connect reduce fiber loss RAU output adjust from 20 to 21; UL gain 6 dB
  • 15. Baseline Test : Passive DAS • Test date: Oct 19 PM 11:00 - 12:00 (No traffic condition) • Test Environment: CIPINANG INDAH MALL • Test Equipment: Samsung J5 + Speed test APP + G-Track APP • Test Point: As above figure shown Oct 19 2015 Speed test plus Q-track (Passive baseline 9:30 - 10:30 DL Tput Mbps UL Tput Mbps PING ms RSRP SINR RSRQ P1 52.87 9.85 17 -68 28.6 -7 P2 12.98 5.98 16 -86 6 -11 P3 25.95 9.12 14 -82 7 -9 P4 22.09 8.97 19 -78 20.6 -8 P5 28.22 9.51 17 -80 18.4 -7 P6 40.78 9.26 18 -80 22 -7 P7 46.16 9.37 16 -77 19.4 -7 P8 42.75 5.81 14 -80 21.8 -7 P9 52.86 9.17 14 -80 24.4 -7 P10 51.37 7.89 16 -85 23.2 -7 P11 39.84 6.04 15 -88 15.8 -7 P12 27.17 6.39 16 -87 13.6 -7 P13 27.76 7.13 18 -87 14 -9 P14 49.54 9.45 18 -83 19 -7 P15 52.95 9.61 15 -71 30 -7 P18 52.87 9.25 14 -75 30 -6 P19 52.78 8.87 14 -77 30 -6 Average 39.94 8.33 15.94 -80.24 20.22 -7.41
  • 16. Wave-In SDAS Performance Test No Carrefour area test data due to site access issue in the midnight Because of MIMO, SDAS DL performance ~ 60Mbps compared to passive SISO ~39Mbps UL performance degradation because of 20dB link budget loss for coupler. Oct 21 2015 Speed test plus Q-track (Wave-In + external antenna + PA adjustment ) 11 pm DL Tput Mbps UL Tput Mbps PING ms RSRP SINR RSRQ Comment P1 72.6 4.51 18 -77 17 -7 P2 33.66 6.97 17 -79 17.2 -8 P3 30.2 5.94 16 -76 8 -8 P4 30.69 5.98 18 -80 12.7 -7 P5 38.55 6.04 15 -79 13.8 -8 P6 48.18 6.02 19 -73 15.1 -7 P7 61.65 4.7 18 -74 19 -6 P8 67.26 6.28 16 -77 17.2 -7 P9 74.23 6.5 19 -68 20.6 -7 P10 78.26 5.9 21 -75 18.4 -7 P11 76.64 8.21 18 -76 21 -7 P12 80.38 8.43 17 -71 24.8 -6 P13 78.33 6.19 18 -77 19 -6 P14 75.35 8.89 17 -67 22 -7 Average 60.43 6.47 17.64 -74.93 17.56 -7.00
  • 17. RAU Installation Inside Carrefour • Install two RAU inside Carrefour as figure shown. Antenna Antenna RAU
  • 18. Test Result Under 2 Carrefour Antenna Antenna 1: P22 Test on Oct 25 2015 AM Antenna 2: P16 Test on Oct 25 2015 AM
  • 19. Simulation vs Actual Measurement RSRP simulation result – LTE TDD-2.3GHz Active S-DAS – Avg. RSRP -80.9 dBm RSRP Actual Measurement – LTE TDD-2.3GHz Active S-DAS – Avg. RSRP -78.17 dBm Cross check between simulation vs actual measurement indicated our simulation result approach 90% of accuracy within 3dB In addition, our SDAS performance outperform simulation tool expectation which is the indication of high quality active DAS system
  • 20. Comparison for Passive & Active DAS Traditional Passive SISO DAS Wave-In S-DAS Schedule M day 1/2 M day (estimated by project team) Construction plus material cost N <N (estimated by BOM study) Supported BTS Macro Macro/pico/femto Performance SISO only; Voice oriented design Degrade gradually in upper floor Data oriented design (MIMO) >1.5 times performance ratio compare with passive SISO DAS Features E2E monitoring Environment sensing Auto-optics/RF calibration
  • 21. Case 2: Retail Store Enable CA • Carrier Aggregation is a key feature for iPhone 6S and other high-end smart phone. • Instead of allocate two RRH (700MHz + 1800MHz) into retail store to enable CA feature; using SDAS solution connect outdoor site nearby is a cost effective solution. Lab test indicated that SDAS can help carrier enable CA with cost effective way (20Mbps +15Mbps)
  • 22. Site Configuration LTE-700M RAU 700M LTE-1.8G Outdoor Antenna 1:20 directional coupler FET Tainan Retail HEU FD 1.8G HEU FD 700M RAU 1.8G Use SDAS RAU as a PA to push passive DAS design HEU Located with outdoor RRH 1/2 inch coaxial cable Fiber
  • 23. Site Installation - HEU FET L700 RRH 1:20 coupler FET L1800 RRH Wave-In 700 & 1800 HEU
  • 24. Site Installation - RAU Fiber out to RAU1800MHz Fiber out to RAU 700Mhz Disconnect L1800 RRH Disconnect L700 RRH Wave-In 1800RAU Wave-In 700RAU Passive Antenna Combiner
  • 25. Wave-In SDAS Web GUI 700MHz Fiber loss 0.8 dB BTS input 25dBm after 20 dB coupler (TX~ 46dBm) RAU TX 21 dBm
  • 26. Trial Test Result (700MHz/1800MHz) b. Retail store a. Office RAU installation area 10MHz+10MHz CA spectrum means spectrum efficiency ~ 5 bps/Hz; Test results showed SDAS can enable DL/UL CA in operator retail store to provide cost-effective solution
  • 27. • SDAS is a good solution for HSR station, tunnel and MRT underground coverage. Case 3: HSR Coverage
  • 28. • Design Criteria: • BBU and RRH located in Building 1, use Wave-In SDAS to extend LTE signal into train tunnel. • Need to carry FET and CHT 1800MHz LTE signal • RAU need outdoor type HSR Taoyuan Station Coverage BBU, RRU and Wave- In HEU Underground tunnel Fiber Wave-In RAU
  • 29. • Coverage area from TK041+900 ~ TK044+340 • About 2km 440 tunnel use 5 RAU to cover • Need to consider train speed for no stop (~200Km/Hr) and stop service. • KPI: 95% RSRP>95dBm; peak data rate spectrum efficiency >3.5 HSR Taoyuan Station Coverage TK041+280 TK045+249TK042+285 Taiyuan HSR Station 8.桃園車站隧道&引道 892 & 2269 TK041+172~042+064 &TK042+506~044+775 : 3.6km N S TK045+249 Handover region TK043+500 TK043+000 TK042+100 TK041+900 B202 B236 1 2 3 5 TK044+340 4
  • 30. • For performance consideration, assume non stop train speed >200Km/Hr, Wave-In design 1HEU to 2RAU in this case for better link budget margin. • Even though, Wave-In SDAS can relay two operator signal using one set of equipment, due to operator consideration on equipment property right, Wave-In design a system diagram as following: HSR Taoyuan Station SDAS Design HEU#1 HEU#2 HEU#4 HEU#5 OMC CHT BBU+RRH FET BBU+RRH 2 1 3 5 4 FETCHT 10m 3m3m FETCHT 10m 3m3m FETCHT 10m 3m3m FETCHT 10m 3m3m FETCHT 10m 3m3m N S HEU#3 HEU#6
  • 31. Wave-In HEU Installation FET 1800MHz RRH CHT 1800MHz RRH Wave-In HEU for FET Wave-In HEU for CHT
  • 32. Wave-In RAU & Antenna Installation Wave-In outdoor type HEU for FET Wave-In HEU for CHT Antenna for CHT Antenna for FET
  • 33. Wave-In SDAS Web GUI large fiber loss 2.7dB ==> need to revisit the site RAU output power 21 dBm
  • 34. Performance Snapshot (FET) TK043+500 TK043+000 TK042+100 TK041+900 B202 B236 1 2 3 5 TK044+340 4 　 P1 - TK041+900 P2 - 東正線北側逃生梯 口 (B202前) P3 - TK043+000 直達 車道旁 P4 - TK044+230 P5 - TK043+300 DL UL DL UL DL UL DL UL DL UL RSSI -53.9 -52.9 -44.1 -46.7 -43.5 -42.8 -44 -47.8 -50 -48.5 RSRP -82.6 -77.5 -73.9 -70.4 -73.2 -66.5 -74 -71.5 -78.3 -72.4 RSRQ -11.7 -7.7 -12.8 -6.73 -12.6 -6.74 -12 -6.75 -11.4 -7 DL T-put 32.9 　 41.6 　 48.7 　 57.1 　 44 　 UL T-put 　 18.4 　 21.5 　 17.3 　 18.7 　 18.4 P1 P2 P3 P4P5 Speed test result and optimization under process
  • 35. Wave-In Comm. Slim DAS Solution
  • 36. FDD Slim DAS Spec. (Indoor) HEU (Head End Unit) Dimensions (L x W x H mm ) (218 x 160 x 42 ) Operating Temp Range 0oC to +45oC Power Input POE:48V/1A max. RF Input Interface N Type Female x 2 RF Input Power 10~32dBm Input Return Loss Min. 14dB Optical Interface SC/APC x 2 No. RAUs/ Link Max. 3 RAU (Remote Antenna Unit) Dimensions (L x W x H mm ) (230 x 142.x 80) Operating Temp Range 0oC to +45oC Power Input POE: 48V/1A max Optical Interface SC/APC x 2 External Antenna (Optional) SMA Female x 2 RF Return Loss 10dB typical Downlink Output Power (MIMO) ~ 21 dBm (64QAM ;3%<EVM) Antenna Gain (option) 4 dBi
  • 37. FDD Slim DAS Spec. (Outdoor) HEU (Head End Unit) Dimensions (L x W x H mm ) (218 x 160 x 42) Operating Temp Range 0oC to +45oC Power Input POE:48V/1A max. RF Input Interface N Type Female x 2 RF Input Power 10~32dBm Input Return Loss Min. 14dB Optical Interface SC/APC x 2 No. RAUs/ Link Max. 3 RAU (Remote Antenna Unit) Dimensions (L x W x H mm ) (240 x 240 x 7) Operating Temp Range 0oC to +55oC Power Input POE: 48V/1A max Optical Interface LC/APC x 1 External Antenna SMA Female x 2 RF Return Loss 10dB typical Downlink Output Power (MIMO) ~ 23 dBm (64QAM ;3%<EVM) Antenna gain (optional) 12 dBi
  • 38. Slim DAS System Configuration
  • 39. Source/Technology Independent • Source vendor independent. • Technology Independent: For example Band 3 DAS support LTE & GSM; Band 1 DAS support WCDMA & LTE. • Macro/Pico/Femto dynamic input range support (10dBm ~30dBm). • Output power adjustable and end node extension support.
  • 40. Single Fiber for MIMO • Different than other active DAS, we design single fiber to support MIMO and DL/UL both on FDD and TDD model. • In old building like below, pipe are small and lack of space, you can use 1/2” pipe to deploy Wave-In Solution
  • 41. Daisy & Hybrid Topology • Daisy and hybrid topology give you the most flexible configuration compare the other star topology active DAS. Layout change
  • 42. Auto-Optics/RF Calibration • Auto-Optics/RF calibration feature fine tune fiber and RF link budget to facilitate fiber lose check when initial setting or configuration change. • Easy for initial setting, re-configuration and monitoring; note that during auto-calibration process, the system also detect and report fiber loss value. Auto Calibration Process
  • 43. Environment Sensing • UL band environment sensing help in-band and adjacent-band NI scan to guarantee end user QoE. • Periodic or by commend reporting. Co-channel Adjacent channel Jamming Background noise
  • 44. Single Band Multi Carrier Support • Co-Construction capability: • Wave-In DAS system can support up to 4 multi-carrier simultaneously. • Note that RAU TX power will evenly split; for example 3 operator each operator RAU TX become 23dBm -4.7dB ~18.3dBm (64QAM MIMO <3% EVM).
  • 45. Wave-In SDAS Solution Key Differentiated Point 1. Single fiber support for MIMO. 2. Daisy chain & hybrid topology for deployment flexibility. 3. Auto-Optics/RF calibration for easy installation (A). 4. Environment sensing for troubleshooting and monitoring (B). 5. Single-band multi-operator support for co-construction (C). ! A B C
  • 47. How to choose cost-effective solution for your indoor environment?
  • 48. LTE Possible In-building Solution Small cell for Indoor Backhaul, Interference and HENET integration issues Expensive OPEX in terms of backhaul and HENET integration Repeater for Indoor Poor performance on interference and MIMO support issues Passive Distributed Antenna System DAS Performance depends on cabling (Especially UL) Poor performance on MIMO support issues No active monitor system Active E2E monitor system support Evenly distributed performance and optimized for MIMO Active Distributed Antenna System DAS Cost Effective OPEX & CAPEX Active DAS solution play an important role for LTE in building deployment Vendor BBU +RRU+DAS RF over CAT 5/6 limit distance and MIMO performance Expensive OPEX and CAPEX Vendor & technology dependent technology
  • 49. Indoor Deployment Consideration for LTE Solution WiFi Capacity? Coverage? Capacity+ Coverage? Small Cell RRH+DAS Repeater DAS Multi-system? Yes No Multi-hole? 1:1 1:M Small Cell +DAS Business District Residential Area Radio DOT
  • 50. Indoor Deployment Consideration Small cell? Passive DAS? Active DAS? The following table provides a guide as to technology fit and use. Table 2. Guide to DAS and small cells fit SMALL TO MEDIUM FLOOR BUILDING (RESTAURANT, SHOP) LARGE SINGLE FLOOR BUILDING (FACTORY) 2-5 FLOOR BUILDING 5-10 FLOOR BUILDING 10-20 FLOOR BUILDING OVER 20-FLOOR BUILDING AIRPORT, SHOPPING MALLS Indoor small cell 1 1 to 2 2 to 4 per floor depending on storey size, morphology and capacity Node B with DAS Not cost effective Not cost effective 1 Sector 1-2 Sectors 2-4 Sectors >4 Sectors >4 Sectors RRH with DAS Not cost effective Not cost effective 1 RRU 1-2 RRU (*) 2-4 RRU (*) >4 RRU (*) >4 RRU (*) RF repeater with DAS If low traffic Insufficient capacity If low traffic DAS type Small to medium area or 1-5 floors: Passive DAS Large area and more than 5 floors: Active DAS • By ALU small cell vs DAS white paper TOC analysis, here is the capacity & coverage guideline to choose solution. • Single floor environment : small cell (<1000m^2) • 2-6 floor building: RRH + passive DAS (<3000 m^2) • 6-15 floor building: RRH + active DAS (<10000m^2) • >15 floor building or airport shopping mall: n* Node B + active DAS
  • 51. Benefit of using iBwave • LTE indoor deployment strategy need to consider a lot of factor • MIMO zone • APP coverage • CA coverage • … • Plus a lot of indoor solution suitable for different environment • A planning & simulation tool like iBwave can facilitate IBS project work. • iBwave did help Wave-In on following aspects • Support varieties of IBS solution simulation for TCO evaluation on pre-sales stage. • Accurate design and simulation before installation. • Accurate material BOM for project preparation. • Trouble shoot tool for RF performance guidance & project acceptance.