Methods and Apparatus for Determining a Signal Estimate by Scaling
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Abstract
Methods and apparatus are disclosed for estimating a signal by a wireless device in a wireless communication system. The wireless device obtains a scaling factor that describes a relation between signal estimates for first and second signals of a first type. The wireless device further obtains a reference signal estimate that comprises a signal estimate for a first signal of a second type. The wireless device then selectively determines at the wireless device a signal estimate for a second signal of the second type by scaling the reference signal estimate by the scaling factor. The first signals of the first and second type are associated with a first radio network node. The second signals of the first and second type are associated with a second radio network node.
55 Citations
65 Claims
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1-36. -36. (canceled)
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37. A method implemented by a wireless device in a wireless communication system, comprising:
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obtaining a scaling factor that describes a relation between signal estimates for first and second signals of a first type; obtaining a reference signal estimate that comprises a signal estimate for a first signal of a second type; and selectively determining at the wireless device a signal estimate for a second signal of the second type by scaling the reference signal estimate by the scaling factor; wherein the first signals of the first and second type are associated with a first radio network node and the second signals of the first and second type are associated with a second radio network node. - View Dependent Claims (38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51)
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52. A wireless device in a wireless communication system, comprising:
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a transceiver configured to transmit and receive signals from a first and a second radio network node; and one or more processing circuits configured to; obtain a scaling factor that describes a relation between signal estimates for first and second signals of a first type; obtain a reference signal estimate that comprises a signal estimate for a first signal of a second type; and selectively determine a signal estimate for a second signal of the second type by scaling the reference signal estimate by the scaling factor; wherein the first signals of the first and second type are associated with the first radio network node and the second signals of the first and second type are associated with the second radio network node. - View Dependent Claims (53, 54, 55, 56, 57, 58, 59, 60, 61)
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62. A method implemented by a network node in a wireless communication system, comprising:
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selectively generating at least one of;
information that indicates a scaling factor, information that indicates an adjustment to the scaling factor, and information that assists a wireless device to decide whether to apply the scaling factor or the adjustment to the scaling factor for determining a signal estimate, wherein the scaling factor describes a relation between first and second signals of the same type respectively associated with first and second radio network nodes; andtransmitting the generated information to the wireless device. - View Dependent Claims (63, 64)
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65. A network node in a wireless communication system, comprising:
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one or more processing circuits configured to selectively generate at least one of; information indicating a scaling factor, information indicating an adjustment to the scaling factor, and information that assists a wireless device to determine whether to apply the scaling factor or the adjustment to the scaling factor for determining a signal estimate, wherein the scaling factor describes a relation between first and second signals of the same type respectively associated with first and second radio network nodes; and a transceiver configured to transmit the generated information to the wireless device.
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Specification