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This paper presents a novel adaptation of the score-based scheduling principle along with a method for trading-off bandwidth for energy efficiency for use in Long Term Evolution (LTE) systems. The score-based principle is adapted to make use of both relative and absolute energy efficiency metric. This results in flexible energy efficient scheduling that preserves the Quality of Service (QoS), as well as reduces the interference in the system. The general principle behind bandwidth expansion is to extend a user's bandwidth by a factor of ?. The target throughput is maintained by switching to a lower order modulation scheme and adjusting any other link parameters as necessary.
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