METHOD AND APPARATUS FOR POWER AND USER DISTRIBUTION TO SUB-BANDS IN NOMA SYSTEMS
Power allocation in NOMA systems for example on the basis Proportional Fairness calculations depends on knowledge of user throughput on a specified sub-band, which implies that users have already beenallocated to particular sub-bands. Meanwhile, maximum throughput can generally be achieved where the...
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Format | Patent |
Language | Chinese English |
Published |
30.03.2018
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Abstract | Power allocation in NOMA systems for example on the basis Proportional Fairness calculations depends on knowledge of user throughput on a specified sub-band, which implies that users have already beenallocated to particular sub-bands. Meanwhile, maximum throughput can generally be achieved where there is the greatest possible difference in transmission power for the users on a given sub-band, sothat optimal allocation of users to sub-bands requires knowledge of the power available for each user. A mechanism is proposed based on iteratively applying a waterfilling algorithm to distribute power across a progressive subset of sub-bands to provisionally distribute the power budget across that subset of sub-bands, where at each iteration the water filling algorithm is carried out for each possible combination of users assignable to the newly considered sub-band using a floor for that sub band proportional to the reciprocal of the square of the highest channel gain value of any user in that combination, and calcula |
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AbstractList | Power allocation in NOMA systems for example on the basis Proportional Fairness calculations depends on knowledge of user throughput on a specified sub-band, which implies that users have already beenallocated to particular sub-bands. Meanwhile, maximum throughput can generally be achieved where there is the greatest possible difference in transmission power for the users on a given sub-band, sothat optimal allocation of users to sub-bands requires knowledge of the power available for each user. A mechanism is proposed based on iteratively applying a waterfilling algorithm to distribute power across a progressive subset of sub-bands to provisionally distribute the power budget across that subset of sub-bands, where at each iteration the water filling algorithm is carried out for each possible combination of users assignable to the newly considered sub-band using a floor for that sub band proportional to the reciprocal of the square of the highest channel gain value of any user in that combination, and calcula |
Author | ABDEL NOUR CHARBEL HOJEIJ MARIE-RITA FARAH JOUMANA |
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DocumentTitleAlternate | 用于到NOMA系统中子带的功率和用户分配的方法和装置 |
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Snippet | Power allocation in NOMA systems for example on the basis Proportional Fairness calculations depends on knowledge of user throughput on a specified sub-band,... |
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Title | METHOD AND APPARATUS FOR POWER AND USER DISTRIBUTION TO SUB-BANDS IN NOMA SYSTEMS |
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