Estimating power on spatial channels
First Claim
1. A method comprising:
- receiving a signal on a conventional communications channel at a plurality of antenna elements of a third radio, the received signal including a first component from a first radio and a second component from a second radio, the first and second radios communicating with the third radio using the conventional communications channel;
determining a first radio weight used to receive signals from the first radio;
estimating a first radio spatial signature;
calculating a first power estimate for the first radio using the received signal, the first radio weight and the first radio spatial signature;
calculating a second power estimate for the second radio using the received signal; and
estimating a contribution of the first component to the received signal, the estimation using the first power estimate and the second power estimate.
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Accused Products
Abstract
The power of a signal received on a spatial channel in a wireless radio communications system can be estimated. One embodiment of the invention includes receiving a signal at a plurality of antenna elements, the received signal including a first component from a first radio and a second component from a second radio. Then the contribution of the first component to the received signal may be estimated by calculating a first power estimate for the first radio using the received signal, calculating a second power estimate for the second radio using the received signal, and estimating the contribution of the first component to the received signal, the estimation using the first power estimate and the second power estimate. In one embodiment the first power estimate is an SINR of the first component.
40 Citations
44 Claims
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1. A method comprising:
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receiving a signal on a conventional communications channel at a plurality of antenna elements of a third radio, the received signal including a first component from a first radio and a second component from a second radio, the first and second radios communicating with the third radio using the conventional communications channel; determining a first radio weight used to receive signals from the first radio; estimating a first radio spatial signature; calculating a first power estimate for the first radio using the received signal, the first radio weight and the first radio spatial signature; calculating a second power estimate for the second radio using the received signal; and estimating a contribution of the first component to the received signal, the estimation using the first power estimate and the second power estimate. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18)
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19. A machine-readable medium having stored thereon data representing instructions that, when executed by a processor, cause the processor to perform operations comprising:
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receiving a signal on a conventional communications channel at a plurality of antenna elements of a third radio, the received signal including a first component from a first radio and a second component from a second radio, the first and second radios communicating with the third radio using the conventional communications channel; determining a first radio weight used to receive signals from the first radio; estimating a first radio spatial signature; calculating a first power estimate for the first radio using the received signal, the first radio weight and the first radio spatial signature; calculating a second power estimate for the second radio using the received signal; and estimating a contribution of the first component to the received signal, the estimation using the first power estimate and the second power estimate. - View Dependent Claims (20, 21, 22, 23, 24, 25)
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26. A communications device comprising:
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a receiver for receiving a signal on a conventional communications channel at a plurality of antenna elements of the communications device, the received signal including a first component from a first radio and a second component from a second radio, the first and second radios communicating with the communications device using the conventional communications channel; a processor communicatively coupled to the receiver for; determining a first radio weight used to receive signals from the first estimating a first radio spatial signature; calculating a first power estimate for the first radio using the received signal, the first radio weight and the first radio spatial signature; calculating a second power estimate for the second radio using the received signal; and estimating a contribution of the first component to the received signal, the estimation using the first power estimate and the second power estimate. - View Dependent Claims (27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44)
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Specification