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Ultra Wideband Spells the Death Knell for Exclusive Spectrum Licensing Policy

Yankee Group - 12/1/2007 - 18 Pages - ID: YANL2443852

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Abstract   |   Table of Contents

Ultra wideband (UWB) devices and their use of unlicensed spectrum present a fundamental challenge to traditional spectrum management and allocation policies. Unlicensed UWB coexists with other unlicensed and licensed services across a wide potential range of frequency bands. Unlicensed use of shared spectrum is an unprecedented market development. It upturns prevailing static licensing models that link ownership and exclusive use of individual chunks of spectrum with individual operators. UWB is a core catalyst for overhaul of this approach, which in turn will markedly change the wireless communications marketplace and dynamics. Incumbent operators and holders of spectrum licenses not surprisingly feel threatened by and reactionary against UWB developments. To date, their key argument against UWB has been twofold. On the one hand, incumbents are critical of new operators who they perceive are able to use frequency currently licensed to individual operators, often at significant expense. The other argument rests on claims that UWB will lead to harmful interference and quality degradation of existing services. The flip side is greater spectral efficiency, lower barriers to entry for a plethora of new operators, and grounds for the deployment of a range of new service options. UWB devices transmit data at high rates by spreading the signal over a wide band of spectrum at low power. Currently, data rates of up to 480 Mbps are achievable over a distance of approximately 30 meters. Data is transmitted over more than 500 MHz of spectrum in the process. The market opportunities and end-user service propositions of UWB are compelling. However, their achievement relies on a sound regulatory underpinning that balances between facilitating the introduction of new technologies and protecting current radio communication services from harmful interference. The regulatory opportunity is also enormous in terms of fundamental spectrum management reform.

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