IBS- DAS Work Flow. Implementation of DAS

IBS- DAS Work Flow

1. In-Building WORK FLOW Process

2. Customer Business Plan Complete Building Network Improvement To offload Macro traffic Technology (2G/3G/4G/5G/ combinations) Frequency bands with allocated bandwidths Floor plans and survey permissions Technical Data Solution type (Active DAS/ Passive DAS/ Small Cells)/ (SISO/ MIMO) Wi-Fi/ Public safety RAN type (CRAN/ DRAN) OEM (Nokia/ Ericsson/ Spider cloud/ Samsung/ Airspan etc) Design and Planning tool (iBwave/ Ranplan ) Power sharing criteria Design Criteria ( RSRP >-95 dBm and SINR > 10 dB @ 95% coverage area ) Deliverables and Performance Thresholds iBwave design file with prediction plots EMF report/ Compliance Link Budget BOM/ Equipment list Coverage (SS-RSRP, CS-RSRP, RSCP, Rx-Level) Quality (SS-RSRQ, RSRQ, Ec /No, SINR) Capacity (Avg. DL Data Throughput) SHO (Soft Handover Ratio)/ Overlapping zones Designing 3D Modelling Model walls horizontal and inclined surfaces Import floor plans CAD/ PDF Geocoding Export 3D images to image files Zone layer per wireless services/ Sectors Planning Define propagation model/ model tuning Antenna / small cell count to plan to provide enough coverage and capacity Body loss modelling for dense venues Antenna plan and cable connectivity plan PIM calculation and EMF calculations Performance Check Survey measurement and prediction (CW testing) vs. measured reports Generating prediction plots for coverage and capacity to meet the KPI. Walk test Customer Requirement Planning Vendor

3. Indoor Solution requirement confirmation with survey schedule from customer end Pre Survey Customer network requirements discussion with RNP Final Survey/ BTS location/ Distribution box Detailed RF Design & Planning using Tool iBwave/ Ranplan 3D modelling using building material System Diagram Antenna location on floors Output KPI’s Criteria Coverage predictions Link budget calculation Discuss installation issues with system design with installation planner Discuss solution with customers RNP Report Submission Ibwave report CAD Drawings Installation proposal Material list Proposal submission Implementation/ Installation Integration Site Acceptance Test/ HOTO/ Handover Acquisition Backhaul Planning Transmission Team Site Acceptance Test/ HOTO/ Handover RF Optimization (if required) RF Acceptance Floor Plan

4. In-Building Implementation Process- Ericsson 4 1. Input Data 2. Preliminary Design 3. Site survey and test measurements 4. Design proposal 7. Acceptance Test 5. Implementation 6. Integration and Commissioning