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Metropolitan architecture of Lancaster University
xperimental work was undertaken to investigate interference criteria on HF
radio link terminal equipment when operated in close proximity to wire line
systems and in particular with reference to close proximity in-building PLT
systems. The application of radio frequency signals to electricity
distribution networks, particularly in-building networks might enable rates
of re-use of sections of the electromagnetic spectrum, which would otherwise
not be possible.
Due
to the characteristics of Electricity Distribution Networks (EDN) the
application of HF signals for PLT purposes offers a good compromise in terms
of reach per watt per Hz. It follows that the key coexistence criteria for
radio and wire line systems can be identified, then a coexistence algorithm
might be developed to enable a more efficient utilisation of the HF radio
spectrum. This in turn might enable a much more effective use of existing
national and international assets to the mutual benefit of all.
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