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Telecommunications Policies of Japan pp 91–110Cite as

Development of Mobile Technology (3G, 4G, 5G)

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Part of the book series: Advances in Information and Communication Research ((AICRES,volume 1))

Abstract

This chapter describes the development of mobile communications systems from the late 2000s to 2018 and the relationship between mobile communications system and frequency assignment to mobile communications operators. This time period has witnessed the explosive growth of the smartphone since its introduction in 2008, along with the corresponding increase in mobile traffic and the vigorous construction of network infrastructure that has followed. From the point of radio administration, the Ministry of Internal Affairs and Communications (hereinafter referred to as MIC) has conducted frequency assignment to respond to growing traffic demands and has improved various environments (technical requirements, frequency reallocation, etc.) representative of prerequisites for frequency assignment.

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Author information

Authors and Affiliations

  1. National Space Policy Secretariat, Cabinet Office, Tokyo, Japan

    Gaku Nakazato

Authors
  1. Gaku Nakazato
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Correspondence to Gaku Nakazato .

Editor information

Editors and Affiliations

  1. Graduate School of Asia-Pacific Studies, Waseda University, Tokyo, Japan

    Hitoshi Mitomo

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Nakazato, G. (2020). Development of Mobile Technology (3G, 4G, 5G). In: Mitomo, H. (eds) Telecommunications Policies of Japan. Advances in Information and Communication Research, vol 1. Springer, Singapore. https://doi.org/10.1007/978-981-15-1033-5_5

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