Harri Holma1, Antti Toskala1, Takehiro Nakamura2, and Tommi Uitto1

1Nokia, Finland


1.1 Introduction

5G radio represents a major step in mobile network capabilities. So far, mobile networks have mainly provided connectivity for smartphones, tablets, and laptops for consumers. 5G will take traditional mobile broadband to the extreme in terms of data rates, capacity, and availability. Additionally, 5G will enable new services including industrial Internet of Things (IoT) connectivity and critical communication. 5G targets are set very high, with data rates up to 20 Gbps and capacity increases up to 1000 times, and also provides a flexible platform for device connectivity, ultra-low latency, and high reliability. A number of new use cases and applications can be run on top of 5G mobile networks. It is expected that 5G will fundamentally impact the whole society by improving efficiency, productivity, and safety. 4G networks were designed and developed more than ten years ago, mainly by telecom operators and vendors for the smartphone use case. There is a lot more interest in 5G networks by other parties, including different industries and communities, to understand 5G capabilities and to take full benefit of 5G networks. 4G was about connecting ...

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