Methods and Arrangements for Scheduling Based on Power Consumption
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Abstract
The present invention relates to a network node and a method in method in a network node of a wireless communications system that allow for power efficient scheduling of transmission of application data over a radio interface. According to the method, information is received (71, 72) about a power consumption profile of a transmit unit and about estimated required average output transmission power of the transmit unit for transmitting an amount of application data in a time interval. The method also includes a step of making (73) a scheduling decision, comprising a type of load distribution to be used in the time interval for transmitting the amount of application data, based on the received information. In another step (74) the scheduling decision is provided to the transmit unit as a scheduling order for transmission of the application data over the radio interface. The invention also relates to a mobile station and core network node configured to provide a network node with power consumption profile information.
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Citations
43 Claims
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1-19. -19. (canceled)
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20. A network node for use in a wireless communications system comprising:
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a scheduler for controlling transmission, by a transmit unit, of application data over a radio interface; wherein the scheduler comprises; a first interface configured to receive, from a radio resource estimator, information about estimated required average output transmission power of the transmit unit for transmitting an amount of application data in a time interval; a second interface configured to receive information about a power consumption profile of the transmit unit, wherein the power consumption profile is the power consumption of the transmit unit as a function of output transmission power; processing circuits configured to make a scheduling decision comprising a type of load distribution to be used in the time interval for transmitting the amount of application data based on the information about the power consumption profile and the information about the estimated required average output transmission power, a third interface for providing the scheduling decision to the transmit unit as a scheduling order. - View Dependent Claims (21, 22, 23, 24, 25, 26, 27, 28, 29, 30)
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31. A method in a network node of a wireless communications system for scheduling transmission of application data over a radio interface, the method comprising
receiving information about a power consumption profile of a transmit unit, wherein the power consumption profile is the power consumption of the transmit unit as a function of output transmission power; -
receiving, from a radio resource estimator, information about estimated required average output transmission power of the transmit unit for transmitting an amount of application data in a time interval; making a scheduling decision, comprising a type of load distribution to be used in the time interval for transmitting the amount of application data, based on the information about the power consumption profile and the information about the estimated required average output transmission power; providing the scheduling decision to the transmit unit as a scheduling order for transmission of the application data over the radio interface. - View Dependent Claims (32, 33, 34, 35, 36, 37, 38, 39, 40, 41)
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42. A mobile station for use in a wireless communications system, which mobile station comprises
processing circuits; -
a transmitter operatively connected to the processing circuits, the mobile station configured to transmit information about a power consumption profile of the mobile station to a network node to allow for uplink scheduling based on the information about the power consumption profile; wherein the power consumption profile is the power consumption of the mobile station as a function of output transmission power.
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43. A core network node of a wireless communications system, which core network node comprises
a memory unit storing a database with information about power consumption profiles of a number of different types of mobile stations, wherein the power consumption profile is the power consumption of a mobile station as a function of output transmission power, wherein the information about the power consumption profiles is associated with International Mobile Equipment Identity (IMEI) of the respective types of mobile stations; processing circuits and an interface configured to; receive a request from a radio network node comprising a scheduler for controlling transmissions over a radio interface, the request including an IMEI; transmit the information about the power consumption profile associated with the received IMEI to the radio network node to allow for uplink scheduling based on the information about the power consumption profile.
Specification