Method for terminal clustering in wireless communication system supporting device-to-device communication and apparatus therefor
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United States of America Patent
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Jan 23, 2018
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app pub date -
Oct 23, 2015
filing date -
Oct 23, 2014
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Abstract
A method for terminal clustering in a wireless communication system supporting D2D (Device-to-Device) communication and an apparatus supporting the method are disclosed. More specifically, a method for a user equipment (UE) to perform UE clustering in a wireless communication system supporting D2D communication comprises determining an initial preference value, determining an initial preference triplet by performing an AP (Affinity Propagation) method by increasing or decreasing the preference value, updating a preference triplet through a GSS (Golden Section Search) method based on the initial preference triplet, determining a final preference value for minimizing energy consumption of the entire UEs from the updated preference triplet; and determining a head UE and member UEs belonging to the head UE by performing the AP method by using the final preference value.
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