Spectrum Management

Experts within AWTG have been at the forefront of pioneering techno-regulatory spectrum sharing and management initiatives undertaken with the UK regulator Ofcom, and have taken key such developments to the European regional regulatory grouping the Conference of Postal and Telecommunications Administrations (CEPT), as well as to the worldwide UN agency serving spectrum and other communications topics the International Telecommunication Union (ITU).

AWTG has developed operational software frameworks to manage spectrum under the umbrella of innovative collaborative sharing regimes, taking the forms of sharing databases, signalling/interfaces, and device-side implementations. An example of such framework is in the image that follows, where a Regulatory Database (RD) makes available information on spectrum permitted for sharing to a Spectrum Database (SD) implemented by AWTG. The given signaling between the SD and RD is one compliant example of an interaction that AWTG has implemented with a real-world regulatory spectrum sharing database, although it is noted that such availability might alternatively be shared through a mechanism even as simple as a spectrum license. The SD then makes dynamic decisions on the management of the shared spectrum among the Spectrum Sharing Devices (SSDs), which might include wireless access points, base stations or small cells, or even user devices and other end-nodes. The SSDs request spectrum resources, in response to which the shared spectrum allocations are given.

Aside from straightforward cases where the spectrum made available for sharing might simply be through a license or designation of unlicensed spectrum, real regulatory examples of such a RD and signaling exist in form of the Citizens Broadband Radio Service (CBRS), which realises the key 3.5 GHz 5G band in the US and is being investigated also for adoption in Europe, the concept of TV White Space adopted in the UK, US, and elsewhere, and the concept of Licensed Shared Access for sharing primarily among mobile network operators in the EU.

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