Reducing power consumption of a multi-antenna transceiver
First Claim
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1. A method for providing power to one or more of a plurality of components respectively associated with a plurality of receive paths of a receiver, the method comprising:
- determining a first level of performance associated with each receive path of the plurality of receive paths;
determining, based on i) the first level of performance associated with each receive path of the plurality of receive paths and ii) a minimum reception performance metric, whether use of a subset of the plurality of receive paths will meet or exceed the minimum reception performance metric;
in response to determining that the use of the subset of the plurality of receive paths will meet or exceed the minimum reception performance metric, ceasing to provide power to each component respectively associated with the plurality of receive paths other than the one or more of the plurality of components respectively associated with the subset of the plurality of receive paths; and
in response to determining, based on a second level of performance of the subset of the plurality of receive paths and based on the minimum reception performance metric, that a smaller subset of the subset of the plurality of receive paths will meet or exceed the minimum reception performance metric, ceasing to provide power to each component respectively associated with the plurality of receive paths other than the one or more of the plurality of components respectively associated with the smaller subset of the subset of the plurality of receive paths;
orin response to determining that the smaller subset of the subset of the plurality of receive paths will not meet the minimum reception performance metric, providing power to the components respectively associated with the subset of the plurality of receive paths.
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Abstract
The present disclosure describes techniques and apparatuses for reducing power consumption of a multi-antenna transceiver. In some aspects, the techniques and apparatuses minimize power consumption while maintaining a threshold level of performance, maximize performance while maintaining a threshold power-consumption limit, or optimize power consumption and performance. To do so, the techniques and apparatuses use a subset of the transceiver'"'"'s available antennas, RF chains, and/or baseband receive chains.
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Citations
18 Claims
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1. A method for providing power to one or more of a plurality of components respectively associated with a plurality of receive paths of a receiver, the method comprising:
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determining a first level of performance associated with each receive path of the plurality of receive paths; determining, based on i) the first level of performance associated with each receive path of the plurality of receive paths and ii) a minimum reception performance metric, whether use of a subset of the plurality of receive paths will meet or exceed the minimum reception performance metric; in response to determining that the use of the subset of the plurality of receive paths will meet or exceed the minimum reception performance metric, ceasing to provide power to each component respectively associated with the plurality of receive paths other than the one or more of the plurality of components respectively associated with the subset of the plurality of receive paths; and in response to determining, based on a second level of performance of the subset of the plurality of receive paths and based on the minimum reception performance metric, that a smaller subset of the subset of the plurality of receive paths will meet or exceed the minimum reception performance metric, ceasing to provide power to each component respectively associated with the plurality of receive paths other than the one or more of the plurality of components respectively associated with the smaller subset of the subset of the plurality of receive paths;
orin response to determining that the smaller subset of the subset of the plurality of receive paths will not meet the minimum reception performance metric, providing power to the components respectively associated with the subset of the plurality of receive paths. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9)
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10. A system comprising:
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a receiver of a receiving entity operating at high power and having multiple receive paths, each of the receive paths having an antenna; and a controller configured to determine, based on a current level of performance of the receiver and a power-consumption budget, a subset of the multiple receive paths that will meet the power-consumption budget and have a highest reception performance, and cease power to the antennas of the multiple receive paths other than those of the subset of the multiple receive paths effective to meet the power-consumption budget. - View Dependent Claims (11, 12, 13)
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14. A method comprising:
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transmitting, to a receiving entity, signals using a single transmission path or multiple transmission paths of a transmitter of a transmitting entity operating at high power; receiving, from the receiving entity, an indication that a minimum reception performance metric at the receiving entity is not being met or that the multiple transmission paths are not needed; and responsive to receiving the indication that the minimum reception performance metric is not being met, powering one or more additional transmission paths of the transmitter and transmitting, to the receiving entity, signals using the single transmission path or the multiple transmission paths and the one or more additional transmission paths;
orresponsive to receiving the indication that the multiple transmission paths are not needed, ceasing to power components of one or more of the multiple transmission paths. - View Dependent Claims (15, 16, 17, 18)
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Specification