Wireless
communications technologies play an essential role to support the Public
Protection and Disaster Relief (PPDR) operational needs. The current
Private/Professional Mobile Radio (PMR) technologies used for PPDR communications
offer a rich set of voice-centric services but have very limited data
transmission capabilities, which are unable to handle the increasing PPDR
community demand for a wider range of data-centric services.
Though some
efforts have been devoted to upgrade PMR technologies with better data transfer
capabilities, the progression towards an enhanced mobile broadband PMR
standardized solution still lags behind the achievements made in the commercial
wireless industry, which recently culminated in Long- Term Evolution (LTE)
technology. Because of this contrasting progress, the adoption of commercial mainstream
LTE technology to satisfy the PPDR community’s data communication needs is
gaining momentum and offers significant opportunities to create and exploit the
synergies between the commercial and PPDR domains, which have remained almost
entirely separate to date.
This article proposes a
solution framework for the provision of PPDR services that considers the
involvement of both dedicated and commercial LTE-based mobile networks and
allows the PPDR users to have a tight control of the service provisioning and
network resources.
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