1. Evoluzione delle reti radiomobili Marco Zangani 20 May 2010

2. Confidentiality level on slide master Version number on slide master Department on slide master Presentation title in footer206 January 2016 Mobile Broadband Journey Wireless is the most personal and pervasive mean to access Broadband Services The Operator’s challenge is to continue enhancing the User’s experience From Service to Experience through a harmonic and smooth evolution of the entire delivery chain HSPA LTE 20 MHz Average Radio throughput per user Avg contemporary users 0 2 4 6 8 10 12 14 16 18 Mbps LTE 10 Mhz Time Ave # of contemporary user Average Core throughput per user 3GPP Evolution Average throughput per user Throughput CN Simplification High latency Low latency Bandwidth

3. Confidentiality level on slide master Version number on slide master Department on slide master Internet Personal/ Private Clouds VAS Interconnected Networks Technology Meeting 3 The E2E Data Delivery Chain Continuous Evolution Yesterday Tomorrow NodeB SGSN RNC NodeB NGME MME A-GW eNodeB Radio Capacity Core Capacity & Simplification Improve performance, limiting investments Continuous performance improvement and network simplification Now LAN Mobile SGSN GGSN RNC LAN Mobile UMTS HSPA+ LTE HSPA+, Direct Tunnel and an enhanced backhauling capacity pave the way to LTE, currently the best performing radio technology choice Direct Tunnel FTTN and MW Ethernet

4. Confidentiality level on slide master Version number on slide master Department on slide master Presentation title in footer406 January 2016 Why LTE Enhanced network capacity Architecture renewal with Full IP focus Multiband scalable Radio Technology Improvements on connection scalability From Smartphone to the “network of the things” Heterogeneous NW – from macro site to femto Additional wireless resources More Spectrum (multiband) more efficiently used… Wide area pervasive coverage requires low bands (<1GHz)

5. Confidentiality level on slide master Version number on slide master Department on slide master RAN Technology Digital Revolution Technology agnostic Base Station Box Simplification Flexibility Full IP based Radio Remote Head (RRH): Software defined Radio Power efficient (“green” network) RAN Technology Digital Revolution Technology agnostic Base Station Box Simplification Flexibility Full IP based Radio Remote Head (RRH): Software defined Radio Power efficient (“green” network) Presentation title in footer506 January 20165 LTE Radio Network: the Vodafone Approach Common Base band RRH (Software Defined Radio) IP to CN Network Simplification at the Edge of the Network + Best performing radio technology option = LTE over Single RAN

6. Confidentiality level on slide master Version number on slide master Department on slide master LTE-Advanced Wider bandwidth for higher performance Exploiting more sophisticated Radio Transmission schemes Self-Organising network to efficiently handle heterogeneous network Relay to boost pervasive coverage Presentation title in footer606 January 2016 Beyond LTE: Never Stop Evolution

7. Confidentiality level on slide master Version number on slide master Department on slide master Conclusion Mobile Broadband demand will put under stress of the available capacity –Technology will be the enabler of Mobile Broadband but its success is rapidly exposing its limits Long-term success is not based on any one innovation and it is not based on any one company –It is based on a harmonic growth of the entire data delivery chain –It is based on how the industry works together –Network operators –Equipment manufacturers –Device makers –Software providers –Regulators Presentation title in footer706 January 2016

8. Evoluzione delle reti radiomobili