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National Gazette No. 42829, 08 November 2019, Vol 653, Page 260

20191108 - National Gazette No 42829 of 08-November-2019, Volume 653, page 260

Page	260 of 280
Gazette	National Gazettes, No 42829, from 08 November, 2019
Department	ICASA
Notice	Page No. 196 of 209, Notice No. 600, Electronic Communications Act (36/2005), as amended » Notice regarding the Final International Mobile Telecommunications (IMT) Roadmap 2019

260    No. 42829            GOVERNMENT GAZETTE, 8 NOVEMBER 2019

2.5.1     Spectrum harmonization

As the amount of spectrum required for mobile services increases, it becomes increasingly desirable for
                existing and newly allocated and identified spectrum to be harmonized.  The benefits of spectrum
                harmonization include: facilitating economies of scale, enabling global roaming, reducing equipment
                design complexity, preserving battery life, improving spectrum efficiency and potentially reducing cross
                border  interference.  Typically,  a mobile device contains multiple  antennas  and associated radio
                frequency front-ends to enable operation in multiple bands to facilitate roaming. While mobile devices
                can benefit from common chipsets,  variances in frequency  arrangements  necessitate  different
                components to accommodate these differences, which leads to higher equipment design complexity.
                Therefore, harmonization of spectrum for IMT will lead to commonality of equipment and is desirable
                for achieving economies of scale and affordability of equipment.

2.5.2     Importance of contiguous and wider spectrum bandwidth

The proliferation of smart devices (e.g. smartphones, tablets, televisions, etc.) and a wide range of
                applications requiring a large amount of data traffic have accelerated demand for wireless data traffic.
                Future IMT systems are expected to provide significant improvement to accommodate this rapidly
                increasing traffic demand. In addition, future IMT systems are expected to provide gigabit-per-second
                user data  rate services.  The  currently available frequency bands  and  their bandwidth differ across
                countries and regions and this leads to many problems associated with device complexity and possible
                interference  issues.  Contiguous,  broader  and  harmonized  frequency  bands,  aligned  with  future
                technology  development, would address these  problems  and  would facilitate achievement  of  the
                objectives of future IMT systems.
                In  particular,  bandwidths  to  support  the  different  usage  scenarios  in  §  4  (e.g.  enhanced  mobile
                broadband, ultra-reliable and low-latency communications, and massive machine type communications)
                would vary. For those scenarios requiring several hundred MHz up to at least 1 GHz, there would be a
                need to consider wideband contiguous spectrum above 6 GHz.

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