Self-optimizing distributed antenna system using soft frequency reuse
First Claim
1. A method of determining a transmission power of a digital remote unit (DRU) in a distributed antenna system (DAS), the method comprising:
- a) setting a transmission power level for a DRU;
b) determining a first key performance indicator related to a number of satisfied users at the transmission power;
c) iteratively adjusting the transmission power level for the DRU to increase the first key performance indicator related to the number of satisfied users;
d) determining a second key performance indicator related to a capacity for the number of satisfied users;
e) iteratively adjusting the transmission power level for the DRU to increase the second key performance indicator related to the capacity for the number of satisfied users; and
f) setting the transmission power level for the DRU at an iterated power level.
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Abstract
A method of determining a carrier power in a communications system including a processor includes a) setting a power differential between a reference carrier and one or more carriers, b) measuring a number of satisfied users at the power differential, and c) measuring a capacity for the satisfied users at the power differential. The method also includes d) increasing the power differential by a predetermined amount and e) determining, using the processor, that the number of satisfied users at the increased power differential is greater than or equal to the number of satisfied users at the power differential. The method further includes f) repeating a)-c) and g) setting the carrier power at an iterated power level.
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Citations
11 Claims
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1. A method of determining a transmission power of a digital remote unit (DRU) in a distributed antenna system (DAS), the method comprising:
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a) setting a transmission power level for a DRU; b) determining a first key performance indicator related to a number of satisfied users at the transmission power; c) iteratively adjusting the transmission power level for the DRU to increase the first key performance indicator related to the number of satisfied users; d) determining a second key performance indicator related to a capacity for the number of satisfied users; e) iteratively adjusting the transmission power level for the DRU to increase the second key performance indicator related to the capacity for the number of satisfied users; and f) setting the transmission power level for the DRU at an iterated power level. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11)
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Specification