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Options for Improving In-Building Mobile Coverage Options for Improving In-Building Mobile Coverage Appendices to final report Self-provided Carrier Wi-Fi UMA Wi-Fi DAS Consumer Intelligent Femtocells Picocells Repeaters Repeaters Issued to: Ofcom Issue date: 18 April 2013 Version: 1.2 Real Wireless Ltd PO Box 2218 Pulborough t +44 207 117 8514 West Sussex f +44 808 280 0142 RH20 4XB e [email protected] United Kingdom www.realwireless.biz Version Control Item Description Source Real Wireless Client Ofcom Report title Options for Improving In-Building Mobile Coverage Sub title Appendices to final report Issue date 18 April 2013 Version Date Comment 1.0 14/03/2013 1st issue to Ofcom 1.1 17/04/2013 Revised in line with feedback on v1.0 from Ofcom for internal review 1.2 18/04/2013 2nd issue to Ofcom Options for Improving In-Building Mobile Coverage Issue date: 18 April 2013 Version: 1.2 About Real Wireless Real Wireless is a leading independent wireless consultancy, based in the U.K. and working internationally for enterprises, vendors, operators and regulators – indeed any organization which is serious about getting the best from wireless to the benefit of their business. We seek to demystify wireless and help our customers get the best from it, by understanding their business needs and using our deep knowledge of wireless to create an effective wireless strategy, implementation plan and management process. We are experts in radio propagation, international spectrum regulation, wireless infrastructures, and much more besides. We have experience working at senior levels in vendors, operators, regulators and academia. We have specific experience in LTE, UMTS, HSPA, Wi-Fi, WiMAX, DAB, DTT, GSM, TETRA – and many more. For details contact us at: [email protected] Tap into our news and views at: realwireless.biz/blog Stay in touch via our tweets at twitter.com/real_wireless Copyright ©2013 Real Wireless Limited. All rights reserved. Registered in England & Wales No. 6016945 Options for Improving In-Building Mobile Coverage Issue date: 18 April 2013 Version: 1.2 Contents 1. Introduction........................................................................................... 5 1.1 Scope of these appendices ............................................................................ 5 1.2 Structure of these appendices ...................................................................... 5 2. Appendix A – Requirements across consumer groups in more detail ....... 7 2.1 The home user ............................................................................................... 7 2.2 Business users .............................................................................................. 10 2.2.1 Small office / SME users .............................................................................. 10 2.2.2 Large multi-storey office users .................................................................... 11 2.3 Users in public buildings and complexes ..................................................... 13 2.4 Summary of requirements and priorities across user groups and deployment types ....................................................................................................... 14 3. Appendix B – Detailed description of our quantitative analysis of the size of the in-building problem and factors impacting this in the future ..................... 16 3.1 Limitations on our analysis .......................................................................... 16 3.2 Assumptions, inputs and methodology ....................................................... 16 3.3 Current and future indoor coverage trends based on network roll out and spectrum availability ................................................................................................... 19 3.4 Sensitivity of indoor coverage to changes in building regulations and reductions in mobile device sensitivity ...................................................................... 20 3.5 Sensitivity of indoor coverage to changes in user expectations of mobile services 23 3.6 Our quantitative analysis of the potential size of the in-building problem 25 3.7 Summary of key findings ............................................................................. 28 3.7.1 Estimates of current and future indoor coverage based on network roll out and spectrum availability ............................................................................................ 29 3.7.2 Factors impacting indoor coverage levels ................................................... 29 3.7.3 The potential size of the in-building problem ............................................. 30 4. Appendix C – Detailed discussion of outside-in solutions for in-building service issues ..................................................................................................... 32 4.1 Macrocell enhancements ............................................................................ 32 4.1.1 Consumer proposition ................................................................................. 33 4.1.2 Concept in more detail ................................................................................ 34 4.1.3 Standards ..................................................................................................... 39 4.1.4 Industry ecosystem ...................................................................................... 40 4.1.5 Current availability and future evolution .................................................... 40 4.1.6 Environmental impact ................................................................................. 41 4.1.7 Operator deployment views ........................................................................ 41 Options for Improving In-Building Mobile Coverage Issue date: 18 April 2013 Version: 1.2 4.1.8 Assessment against Ofcom’s criteria ........................................................... 44 4.2 Outdoor small cells ...................................................................................... 45 4.2.1 Consumer proposition ................................................................................. 46 4.2.2 Concept in more detail ................................................................................ 47 4.2.3 Standards ..................................................................................................... 48 4.2.4 Industry ecosystem ...................................................................................... 49 4.2.5 Current availability and future evolution .................................................... 50 4.2.6 Environmental impact ................................................................................. 51 4.2.7 Operator deployment views ........................................................................ 51 4.2.8 Assessment against Ofcom’s criteria ........................................................... 53 5. Appendix D – Detailed discussion of dedicated in-building solutions currently available – Wi-Fi .................................................................................. 55 5.1 Self-provided Wi-Fi ...................................................................................... 55 5.1.1 Consumer proposition ................................................................................. 55 5.1.2 Concept in more detail ................................................................................ 57 5.1.3 Standards ..................................................................................................... 58 5.1.4 Industry ecosystem ...................................................................................... 60 5.1.5 Current availability and future evolution .................................................... 62 5.1.6 Environmental impact ................................................................................. 64 5.1.7 Operator deployment views ........................................................................ 65 5.1.8 Assessment against Ofcom’s criteria ........................................................... 65 5.2 Carrier Wi-Fi ................................................................................................. 66 5.2.1 Consumer proposition ................................................................................. 67 5.2.2 Concept in more detail ................................................................................ 69 5.2.3 Standards ..................................................................................................... 70 5.2.4 Industry ecosystem ...................................................................................... 75 5.2.5 Current availability and future evolution .................................................... 77 5.2.6 Environmental impact ................................................................................. 81 5.2.7 Operator deployment views ........................................................................ 81 5.2.8 Assessment against Ofcom’s criteria ........................................................... 83 5.3 UMA/GAN .................................................................................................... 84 5.3.1 Consumer proposition ................................................................................. 84 5.3.2 Concept in more detail ................................................................................ 85 5.3.3 Standards ....................................................................................................
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