Spectrum Efficiency Metrics


Responsiveness for Two-way Point-to-point Satellite Systems



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Responsiveness for Two-way Point-to-point Satellite Systems


In two-way point-to-point satellite systems, user value is enhanced when response time is decreased. There is a correlation, however, between response time and the spectrum efficiency metric. Within certain limits, decreasing the response time, and hence increasing user value, will reduce spectrum efficiency by reserving a greater percentage of the spectrum for the signaling associated with dynamic spectrum resource allocation.13 In terms of overall system optimization and user value, it is not always desirable to cause excessively long response times to achieve the greatest spectrum efficiency. Response time must therefore be included as an additional efficiency consideration when evaluating the spectrum efficiency metric of satellite systems.



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