Abstract: A method and radio base station for handling a power disturbance caused by a radio unit of the radio base station. The method comprises: obtaining scheduling information of data traffic associated with the RU; comparing the power disturbance with one or more first thresholds, wherein the power disturbance is caused by the RU adapted to handle the data traffic according to the scheduling information; and adjusting a switching frequency of a direct current to direct current, DC/DC, converter based on the comparison, wherein the DC/DC converter is comprised in the RU to power the RU.

Abstract: A method in a power system infrastructure for controlling power supplied to a plurality of data processing machines, wherein the power system infrastructure comprises a plurality of power supply units, comprises receiving a plurality of power demand values, wherein the power demand values are associated with a respective plurality of data processing instances to be executed on the plurality of data processing machines. The method comprises estimating a total power demand value based on the received power demand values. The method comprises controlling the power system infrastructure to provide power to the plurality of data processing machines based on the estimated total power demand value.

Abstract: Methods and systems automatically protect radio network equipment in extreme weather conditions such as sand-storms or snow-storms. A pair of phase-shift material grids having different orientations is installed at an air intake of the radio network equipment. One of the grids is powered to open or close the air intake according to a current amount of air-carried particles entering the radio network equipment and a temperature inside the radio network equipment. The current amount of air-carried particles entering the radio network equipment may be detected by a piezoelectric sensor.

Abstract: Methods and devices optimize backup power management for network devices connected to backup power sources including two different batteries. Machine learning techniques are used to predict upcoming power outages affecting the network device based on power-related historic information and current conditions. A backup-power operation plan prescribing usage of the backup power sources during the predicted power outages is then generated. The backup-power operation plan schedules a battery among the backup power devices to be used at least twice without being recharged.

Abstract: Systems and methods of controlling a component of a network node in a wireless communication system are presented herein. In one exemplary embodiment, a method by a network node (101, 200, 300, 560, 1400, 1721, 1741) comprises obtaining (401a) a current location (140) of a wireless device (119, 510) that is determined from measurements reported by the wireless device of a set of beam reference signals (121-126) transmitted by the network node or measurements performed by the network node of a signal (127) transmitted by the wireless device that is spatially related (129) to the corresponding beam reference signal received by the wireless device.

Abstract: According to one aspect, a method and an energy control device are provided for estimating electricity consumption during one or more transmission intervals of a transmission site or part of a transmission site. Said site comprises a scheduler for scheduling assignments, and a set of radio transmitters having known radio efficiency ?r. Said method comprises a step of estimating scheduled transmission electricity consumption ETOT based on a quotient of a sum Psch,sum of scheduled radio transmission powers Psch and the radio efficiency ?r. An energy management control method based on information from the scheduler to control the alternative energy sources on site is provided, wherein said information is depending on radio traffic load. The energy control method for every TTI for efficient and effective control that is based on the real traffic situation.

Abstract: The disclosure provides methods, apparatus and machine-readable mediums for the detection of sleeping cells in a cellular network. A method of detecting a sleeping cell in a cellular communication network comprises: monitoring power consumption of a radio transmission point of the cellular communication network; providing the power consumption of the radio transmission point as an input to a classification model, developed using a machine-learning algorithm; and obtaining an output from the classification model, the output classifying the radio transmission point as serving one of a sleeping cell and a non-sleeping cell.

Abstract: Embodiments described herein provided methods and apparatus for controlling switching a power supply of a first network node between an electrical power grid and an alternative power supply, in which the first network node is configured to transmit data to a second network node over a data transmission link. The method includes receiving first information indicative of a predicted decrease in a transmission rate of data transmitted by the first network node over the data transmission link. Responsive to receiving the first information, a first request is transmitted to the first network node to switch the power supply of the first network node from the electrical power grid to the alternative power supply.

Abstract: Based on information from a controller scheduling data traffic in a processing arrangement, a super capacitor unit is activated, whereby reactive power is fed to a system bus of said power system. The controller is configured to have information at time t(n) about the data traffic workload of the processing arrangement at time t(n+1). By triggering discharge of the super capacitor unit based on super capacitor data at time t(n+1), transients on a system bus voltage are, at least in part, smoothed out at time t(n+1), which reduces the need for reactive power of the power system, where said transients are related to the data traffic workload of the processing arrangement. The power efficiency of the power system can be improved by 3-4% by the reduction of the need for reactive power from a power grid, for which reason the electrical bill of an operator is reduced.

Abstract: Based on information from a controller scheduling data traffic in a processing arrangement, a super capacitor unit is activated, whereby reactive power is fed to a system bus of said power system. The controller is configured to have information at time t(n) about the data traffic workload of the processing arrangement at time t(n+1). By triggering discharge of the super capacitor unit based on super capacitor data at time t(n+1), transients on a system bus voltage are, at least in part, smoothed out at time t(n+1), which reduces the need for reactive power of the power system, where said transients are related to the data traffic workload of the processing arrangement. The power efficiency of the power system can be improved by 3-4% by the reduction of the need for reactive power from a power grid, for which reason the electrical bill of an operator is reduced.

Abstract: Based on information from a controller scheduling data traffic in a processing arrangement, a super capacitor unit is activated, whereby reactive power is fed to a system bus of said power system. The controller is configured to have information at time t(n) about the data traffic workload of the processing arrangement at time t(n+1). By triggering discharge of the super capacitor unit based on super capacitor data at time t(n+1), transients on a system bus voltage are, at least in part, smoothed out at time t(n+1), which reduces the need for reactive power of the power system, where said transients are related to the data traffic workload of the processing arrangement. The power efficiency of the power system can be improved by 3-4% by the reduction of the need for reactive power from a power grid, for which reason the electrical bill of an operator is reduced.

Abstract: There is provided a radio access node (40) for use in a communication network (32), the radio access node (40) being associated with a local energy storage system (122) that is part of a distributed energy storage network, the radio access node (40) being adapted to monitor the operation of a power distribution network (118); in the event of a fault in the power distribution network (118), control the local energy storage system (122) to supply power to the power distribution network (118). A radio access node (40) for use in a communication network (32) is provided. The node (40) is able to locate a fault on a power distribution network (118) and to generate a map of at least a part of said power distribution network (118), indicating the location of the fault.

Abstract: A method and a coordinating node for providing at least one current analysis result relating to a link are disclosed. The coordinating node obtains a set of previous analysis results relating to at least one segment of the link. The coordinating node identifies a set of unreliable segments based on the set of previous analysis results and based on a condition for defining any segment as unreliable. The coordinating node performs a respective analysis of each unreliable segment of the set of unreliable segments to obtain a respective current analysis result for said each unreliable segment. Furthermore, the coordinating node sends, to the first node, the respective current analysis result. A corresponding computer program and a computer program carrier are also disclosed.

Abstract: A method in a power system infrastructure for controlling power supplied to a plurality of data processing machines, wherein the power system infrastructure comprises a plurality of power supply units, comprises receiving a plurality of power demand values, wherein the power demand values are associated with a respective plurality of data processing instances to be executed on the plurality of data processing machines. The method comprises estimating a total power demand value based on the received power demand values. The method comprises controlling the power system infrastructure to provide power to the plurality of data processing machines based on the estimated total power demand value.

Abstract: An automated improving of quality of service of a data center. Transients of a power grid fed to a power supply unit are monitored by a probe. Information on transients is provided across an interface to a server of the data center. Based on characteristics of the transients, a reliability of the data center is subjected to automated updating. A request for migration of workload requiring a higher reliability than the updated reliability can be sent to a central management. When the central management has identified another data center that can meet the required reliability, the central management migrates or relocates the workload to the another data center.

Abstract: Method performed by a first node (101). The method is for handling a digital media content. The first node (101) determines (203), automatically, a segment of the digital media content to be of interest to a first user of a second node (102) providing the digital media content to the first user. The determining (203) is based on an analysis of collected data on seeking of the digital media content by at least one second user. The seeking has been performed in points in time in the digital media content. The points in time have been freely chosen by the least one second user from an entire duration of the digital media content. The first node (101) then initiates (204) providing a first indication of the determined segment of the digital media content to be of interest to the first user, to at least one of: the second node (102), and another node (103, 104).

Abstract: A method and power control unit for supplying electric power to a first radio unit of a network node in a wireless network. The power control unit obtains a scheduled power demand related to an amount of electric power required in the first radio unit for transmissions scheduled in an imminent time interval such as a resource block or subframe. Then, electric power is supplied to the first radio unit from a power supply unit if the power demand does not exceed a power threshold, or from the power supply unit and a supplementary power source if the power demand exceeds the power threshold. The supplementary power source may comprise a battery that can be connected or disconnected for successive time intervals depending on the scheduled power demand which may fluctuate greatly depending on the first radio unit's transmissions.

Abstract: Disclosed is a power supply unit, PSU, for wirelessly powering components of a radio base station, RBS, such as a radio unit, RU, transmission units (TMR) and a baseband digital unit, BDU. The PSU includes a TX coil for generating an energy field that is used to induce a current and voltage in an RX coil that is part of a component of the base station. The need for power cables, which are inefficient at transferring energy, is therefore greatly reduced. Hence, the energy efficiency of the RBS is increased.

Abstract: According to one aspect, a method and an energy control device are provided for estimating electricity consumption during one or more transmission intervals of a transmission site or part of a transmission site. Said site comprises a scheduler for scheduling assignments, and a set of radio transmitters having known radio efficiency ?r. Said method comprises a step of estimating scheduled transmission electricity consumption ETOT based on a quotient of a sum Psch,sum of scheduled radio transmission powers Psch and the radio efficiency ?r. An energy management control method based on information from the scheduler to control the alternative energy sources on site is provided, wherein said information is depending on radio traffic load. The energy control method for every TTI for efficient and effective control that is based on the real traffic situation.

Abstract: The present invention relates to methods and radio base station of a wireless telecommunications network. The radio base station comprises power feed circuitry for providing electric power from an external power feed to the radio base station, which is adapted to be driven in either internal power feed mode by an internal power feed or an external power feed mode by said external power feed providing unstable electric power due to disturbances in the electric power. The method comprises surveying the electric power from the external power feed to determine a disturbance capability level, comparing the determined disturbance capability level to a disturbance threshold criterion to achieve selection of power feed mode; and selecting mode due to the achieved mode selection to the external power feed mode or the internal power feed mode, wherein the power feed circuitry is disconnected from the external power feed.