WO2023136768A1 - Procédé de détermination du moment où un fonctionnement en mmw doit être utilisé, un produit de programme informatique, et unité de traitement associée - Google Patents

Procédé de détermination du moment où un fonctionnement en mmw doit être utilisé, un produit de programme informatique, et unité de traitement associée Download PDF

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Publication number
WO2023136768A1
WO2023136768A1 PCT/SE2023/050028 SE2023050028W WO2023136768A1 WO 2023136768 A1 WO2023136768 A1 WO 2023136768A1 SE 2023050028 W SE2023050028 W SE 2023050028W WO 2023136768 A1 WO2023136768 A1 WO 2023136768A1
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WIPO (PCT)
Prior art keywords
mmw
capability
transceivers
utilized
processing unit
Prior art date
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PCT/SE2023/050028
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English (en)
Inventor
Bengt Lindoff
Joakim Axmon
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Beammwave Ab
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Application filed by Beammwave Ab filed Critical Beammwave Ab
Publication of WO2023136768A1 publication Critical patent/WO2023136768A1/fr

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
    • H04W52/02—Power saving arrangements
    • H04W52/0209—Power saving arrangements in terminal devices
    • H04W52/0251—Power saving arrangements in terminal devices using monitoring of local events, e.g. events related to user activity
    • H04W52/0258—Power saving arrangements in terminal devices using monitoring of local events, e.g. events related to user activity controlling an operation mode according to history or models of usage information, e.g. activity schedule or time of day
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
    • H04W52/02—Power saving arrangements
    • H04W52/0209—Power saving arrangements in terminal devices
    • H04W52/0212—Power saving arrangements in terminal devices managed by the network, e.g. network or access point is master and terminal is slave
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
    • Y02D30/00—Reducing energy consumption in communication networks
    • Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks

Definitions

  • the present disclosure relates to a method for a processing unit to determine and communicate when mmW operation is to be utilized, a computer program product, and a processing unit therefor.
  • the disclosure relates to a method for a processing unit to determine and communicate when mmW operation is to be utilized for a wireless device, a computer program product, and a processing unit as defined in the introductory parts of the independent claims.
  • Smartphones or wireless devices of today and of the future have both sub-6 Gigahertz (GHz) and millimeter wave (mmW) communication support.
  • the sub-6 GHz communication support may provide for a good coverage and the mmW communication support may provide for increased capacity and performance in e.g., high speed cases, such as VR and AR.
  • the mmW communication support may comprise utilization of multiple antennas, such as 4, 8, 16 or more antennas, and may be implemented with either analog, digital or hybrid beamforming.
  • antenna panels may be utilized, while in the case of digital BF the antennas and transceivers may be distributed over a smartphone/wireless device in order to mitigate or alleviate e.g., a hand blocking the radio signal.
  • sub-6 GHz communication does not support as fast communication, such as Gb/s rates, providable by the mmW communication and hence is not able to provide as high throughput as providable by the mmW communication or the sub-6 GHz communication requires longer communication time compared to mmW (high bandwidth) communication, which may lead to a worse energy efficiency than for mmW communication.
  • US 2018/295552 Al discloses in para. 0079 that a UE may select to switch between an mm Wave uplink, a sub-6 uplink, and an LTE uplink. Furthermore, US 2018/295552 Al appears to in para. 0075 disclose that the power consumption metric is determined based on at least one of a static indicator, such as UE capability information, or a dynamic indicator. However, US 2018/295552 Al appears to disclose only one way of implementing carrier selection, namely by request to transmit downlink (DL) control and/or data from one carrier to another carrier. Thus, US 2018/295552 Al appears not to disclose utilizing the static capability information dynamically to indicate whether or not mmW operation is presently to be utilized for the WD (420).
  • a static indicator such as UE capability information
  • a dynamic indicator such as UE capability information
  • An object of the present disclosure is to mitigate, alleviate or eliminate one or more of the above-identified deficiencies and disadvantages in the prior art and solve at least the above-mentioned problem.
  • a method for a processing unit comprisable in a wireless device, WD, and being connectable to a plurality of transceivers.
  • the method comprises obtaining information about predicted usage of the WD. Furthermore, the method comprises determining an energy efficiency metric for communication within a millimeter wave (mmW) frequency range based on the predicted usage of the WD. Moreover, the method comprises determining if mmW operation is to be utilized for the WD based on the determined energy efficiency metric.
  • the method comprises sending a capability report to a network, NW, node.
  • the capability report comprises capability information about whether the WD has mmW communication capability or not.
  • the method comprises utilizing the (static) capability information dynamically to indicate whether or not mmW operation is presently to be utilized for the WD, i.e., the capability information is based on if mmW operation is to be (presently) utilized for the WD.
  • the capability information is based on if mmW operation is to be (presently) utilized for the WD.
  • the method is for the processing unit to determine and communicate whether mmW operation is presently to be utilized.
  • obtaining information about predicted usage of the WD comprises obtaining information from a network (NW) node about predicted usage of the WD, or (directly) predicting usage of the WD.
  • the usage of the WD is predicted based on one or more data communication pattern(s) and/or one or more data rate(s) between the WD and one or more NW node(s).
  • the WD comprises one or more sensors selected from the group of: motion sensor, GPS, camera, gyroscope, accelerometer, compass, barometer, light sensor, fingerprint sensor and proximity sensor; and the usage of the WD is predicted based on information obtained from the one or more sensors.
  • sensors selected from the group of: motion sensor, GPS, camera, gyroscope, accelerometer, compass, barometer, light sensor, fingerprint sensor and proximity sensor; and the usage of the WD is predicted based on information obtained from the one or more sensors.
  • higher accuracy may be achieved.
  • the method further comprises performing a connection release, CR; and sending a capability report to a NW node comprises sending the capability report in a connection setup message, CSM.
  • the method further comprises performing a connection release, CR; and sending a capability report to a NW node comprises sending the capability report in a user equipment (UE) capability information message.
  • UE user equipment
  • the method further comprises performing a connection release (CR) and sending a capability report to a NW node comprises sending the capability report in a radio resource control (RRC) reconfiguration message.
  • CR connection release
  • RRC radio resource control
  • the method further comprises transmitting a WD capability reconfiguration message when the WD is in an active mode.
  • determining if mmW operation is to be utilized comprises determining that mmW operation is to be utilized if the determined energy efficiency metric is above a first threshold and determining that mmW operation is not to be utilized if the determined energy efficiency metric is below or equal to the first threshold.
  • the energy efficiency metric is determined as an estimated power needed for the predicted usage utilizing a first set of transceivers, the first set of transceivers transmitting and receiving data only within the mmW frequency range.
  • the first threshold is based on an estimated power needed for the predicted usage utilizing a second set of transceivers, the second set of transceivers transmitting and receiving data only in a sub-6 Gigahertz, GHz, frequency range.
  • the prediction of usage is based on artificial intelligence, Al, such as a machine learning algorithm, such as a deep learning algorithm.
  • Al artificial intelligence
  • a machine learning algorithm such as a deep learning algorithm.
  • determining an energy efficiency metric for communication within an mmW frequency range comprises determining how many mmW transceivers and/or antennas need to be enabled during a next time period.
  • the energy efficiency metric is determined based on one or more power consumption models.
  • the one or more power consumption models determine the energy efficiency metric as a function of the one or more data communication patterns, the one or more data rates and/or the inverse of the estimated power needed.
  • the one or more power consumption models comprise a power consumption model for each transceiver/antenna chain and the power consumption is estimated for each transceiver/antenna chain, and determining how many mmW transceivers and/or antennas need to be enabled during a next time period comprises determining how many mmW transceiver/antenna chains need to be enabled during the next time period.
  • a computer program product comprising instructions, which, when executed on at least one processor of a processing device, cause the processing device to carry out the method according to the first aspect or any of the above-mentioned embodiments.
  • a non-transitory computer-readable storage medium storing one or more programs configured to be executed by one or more processors of a processing device, the one or more programs comprising instructions which, when executed by the processing device, causes the processing device to carry out the method according to the first aspect or any of the above-mentioned embodiments.
  • a processing unit is comprisable in a wireless device (WD).
  • the processing unit is connectable to a plurality of transceivers. Moreover, the processing unit is configured to obtain information about predicted usage of the WD. The processing unit is configured to determine an energy efficiency metric for communication within a millimeter wave (mmW) frequency range based on the predicted usage of the WD. Furthermore, the processing unit is configured to determine if mmW operation is to be utilized, based on the determined energy efficiency metric. Moreover, the processing unit is configured to send an indication of whether mmW operation is to be utilized for the WD to a network (NW) node, the indication is sent as capability information about whether the WD has mmW communication capability or not comprised in a capability report.
  • NW network
  • An advantage of some embodiments is that power consumption is reduced or optimized (for the wireless device).
  • Another advantage of some embodiments is a more energy efficient utilization of sub-6 GHz and mmW communication (e.g., optimized over the whole spectrum from an energy efficiency aspect).
  • Yet another advantage of some embodiments is that energy efficiency is further increased or improved.
  • a further advantage of some embodiments is that implementation is simplified.
  • Yet a further advantage of some embodiments is that complexity is reduced. Another further advantage of some embodiments is that a more accurate prediction is enabled.
  • Yet another further advantage of some embodiments is that accurate prediction is performed, while improving/increasing energy efficiency.
  • Figure 1 is a flowchart illustrating method steps according to some embodiments
  • Figure 2 is a schematic drawing illustrating a computer readable medium according to some embodiments
  • Figure 3 is a flowchart illustrating method steps implemented in a processing unit according to some embodiments; and Figure 4 is a schematic drawing illustrating a system comprising a wireless device and base stations.
  • the mmW frequency range is from 24.25 Gigahertz (GHz) to 71 GHz or more generally from 24 to 300 GHz.
  • MmW may also be referred to as Frequency Range 2 (FR2).
  • Sub-6 GHz is any frequency (range) below 6 GHz.
  • Sub-6 GHz may also be referred to as Frequency Range 1 (FR1).
  • FR1 (or sub-6 GHz) herein may also refer to any frequency (range) below 12 or 15 GHz (e.g., since FR1 may include frequencies above 6 GHz).
  • Frequency Range 2 may be defined as frequencies above FR1.
  • the processor may be a digital processor.
  • the processor may be a microprocessor, a microcontroller, a central processing unit, a co-processor, a graphics processing unit, a digital signal processor, an image signal processor, a quantum processing unit, or an analog signal processor.
  • the processing unit may comprise one or more processors and optionally other units, such as a control unit.
  • the processor may be implemented as a single-processor, a dual-processor system, or a multiprocessor system.
  • the invention can also be practiced in distributed computing environments where certain tasks are performed by remote processing devices that are linked through a communications network, e.g., 5G, to one or more local processors.
  • program modules can be located in both local and remote memory storage devices.
  • some processing e.g., for the data plane
  • a centralized node such as a centralized transceiver node (TNode).
  • TNode centralized transceiver node
  • baseband processing and/or higher layer processing such as processing at layers above the physical layer, may be moved to a cloud, such as an mmW RAN cloud (wherein processing is performed by cloud processors).
  • cloud such as an mmW RAN cloud (wherein processing is performed by cloud processors).
  • mmW cloud deployment may bring significant cost savings to the operator due to centralized processing, collaborative radio processing, and availability of cheap commodity hardware.
  • NW node may be a remote radio unit (RRU), a repeater, a remote wireless node, or a base station, such as a radio base station (RBS), a Node B, an Evolved Node B (eNB) or a gNodeB (gNB).
  • RRU remote radio unit
  • RBS radio base station
  • eNB Evolved Node B
  • gNodeB gNodeB
  • a TNode may be a radio unit (RRU), a repeater, a wireless node, or a base station (BS), such as a radio base station (RBS), a Node B, an Evolved Node B (eNB) or a gNodeB (gNB).
  • RRU radio unit
  • BS base station
  • eNB Evolved Node B
  • gNB gNodeB
  • a TNode may be a BS for a neighbouring cell, a BS for a handover (HO) candidate cell, a radio unit (RRU), a distributed unit (DU), another WD (e.g., a remote WD) or a base station (BS) for a (active/deactivated) secondary cell (SCell) or for a serving/primary cell (PCell, e.g., associated with an active TCI state), a laptop, a wireless station, a relay, a repeater device, a reconfigurable intelligent surface, or a large intelligent surface.
  • RRU radio unit
  • DU distributed unit
  • another WD e.g., a remote WD
  • SCell serving/primary cell
  • PCell serving/primary cell
  • a wireless device is any device capable of transmitting or receiving signals wirelessly.
  • Some examples of wireless devices are user equipment, mobile phones, cell phones, smart phones, Internet of Things (loT) devices and tablets.
  • a digital interface is a unit converting analog signals from e.g., transceivers to digital signals, which digital signals are conveyed to e.g., a baseband processor, and/or converting digital signals from e.g., a baseband processor to analog signals, which analog signals are conveyed to e.g., one or more transceivers.
  • a digital interface possible also comprises filters and other pre-processing functions/units.
  • US 11012135 B2 discloses activation and deactivation of beam scanning.
  • mmW communication have lower power consumption than sub-6 GHz communication.
  • mmW may often have coverage in hot spots, such as at an office, while sub-6 GHz may have wide area coverage.
  • figure 1 illustrates method steps according to some embodiments.
  • the method 100 is for a processing unit 600 (shown in figure 4).
  • the processing unit 600 is comprised or comprisable in a wireless device (WD) 420 (shown in figure 4).
  • the processing unit 600 determines and/or communicates whether mmW operation is presently to be utilized.
  • the processing unit 600 is connected or connectable to a plurality of transceivers 500, ..., 507 (shown in figure 4) directly or via one or more digital interfaces 400, ..., 407 (shown in figure 4).
  • the processing unit 600 is configured for controlling a first set of the plurality of transceivers 500, ..., 507 for mmW operation and a second set of the plurality of transceivers for sub-6 GHz operation.
  • each transceiver 500, ..., 507 is connected to one or more antennas 700, ..., 707 (shown in figure 4).
  • the WD 420 comprises the transceivers 500, ..., 507, the processing unit 600 and optionally the digital interfaces 400, ..., 407 and/or the one or more antennas 700, ..., 707.
  • the method comprises obtaining 110 information about predicted usage of the WD 420.
  • obtaining 110 comprises (directly) predicting 112 usage of the WD 420, e.g., for the following/next/upcoming time period, such as a time period in the near future, such as the time period immediately following the prediction or a time period following the prediction with a time gap in between.
  • the time period the prediction is made for may have a duration of one or more seconds, one or more minutes, one or more hours, or one or more days, such as Is, 2s, 10s, 30s, lmin, 2min, lOmin, 30min, lh, 2h, 4h, 8h, 16h, 1 day or 2 days.
  • the time gap may have a duration of one or more milliseconds or one or more seconds.
  • obtaining 110 comprises obtaining 114 from a network (NW) node 802, 804 (shown in figure 4), such as a base station (e.g., gNB) or a processing unit associated with (connectable or connected to) the NW node 802, 804, information about the predicted usage of the WD 420.
  • NW network
  • obtaining 114 information from an NW node 802, 804 comprises obtaining information from data already received from the NW node 802, 804, such as from data received from the NW node 802, 804 on a regular basis.
  • the received data is, in some embodiments, associated with or related to communication and/or configuration set by the NW node 802, 804.
  • the usage of the WD is predicted based on (in dependence on, in accordance with) one or more data communication pattern(s) between the WD 420 and one or more NW node(s) 802, 804.
  • the one or more data communication patterns are time utilized for transmitting data from the WD 420 as a percentage of total time, relative time utilized for receiving data at the WD 420, data packet size, modulation of data packets, coding of data packets, time in discontinuous reception (DRX), time in active mode, such as radio resource control (RRC) connected mode, time in non-active mode, such as RRC inactive mode, time in RRC idle mode.
  • RRC radio resource control
  • the usage of the WD is predicted based on (in dependence on, in accordance with) one or more (uplink and/or downlink) data rate(s) between the WD 420 and one or more NW node(s) 802, 804.
  • the method comprises determining 120 an energy efficiency metric for communication within a millimeter wave, mmW, frequency range, i.e., communication utilizing transceivers configured for mmW communication, based on (in dependence on, in accordance with) the predicted usage of the WD 420.
  • a power consumption for communication within a mmW frequency range arising from the predicted usage is estimated.
  • the determining 120 comprises determining 122 how many (and/or which subset of the) mmW transceivers (i.e., transceivers of the first set) and/or antennas need to be enabled (for reliable communication) during a next/fol lowing time period (i.e., a time period following the present time period) in order to provide, e.g., sufficient data rate, for the predicted usage over the next time period, e.g., since mmW communication often needs antenna arrays and beamforming for reliable communication, especially over longer distances.
  • the determining 122 is performed by utilizing statistics of the current (and previous) communication, e.g., during time periods when communication was performed utilizing mmW.
  • Such statistics may be stored in a memory unit associated with (connected or connectable to) the processing unit 600.
  • a control unit, or the processing unit 600 stores information, e.g., statistics, (in the memory unit) about number of antennas and/or transceivers utilized for (previously and currently performed) communication (via mmW).
  • the information about number of antennas and/or transceivers utilized for (previously and currently performed) communication (via mmW) is stored together with a corresponding transmission output power (needed), e.g., per transceiver (chain).
  • the control unit or the processing unit 600 stores information about received signal strength, such as Received Signal Strength Indicator (RSSI), Reference Signal Received Power (RSRP) or Reference Signal Received Quality (RSRQ), which gives an indication of low noise amplifier (LNA) settings and hence an indication of power consumption for signal reception (at the front end) and also an indication of Power amplifier settings for transmission and hence an indication of power consumption for transmission.
  • RSSI Received Signal Strength Indicator
  • RSRP Reference Signal Received Power
  • RSRQ Reference Signal Received Quality
  • LNA low noise amplifier
  • the stored information about received signal strength may, in some embodiments, be combined with information about uplink data rates, thereby enabling a more accurate indication of power amplifier setting estimation (and hence of power consumption for transmission).
  • the determining 122 is performed once mmW inter-frequency measurements have been obtained.
  • SNR signal to noise ratio
  • RSSI RSSI
  • RSRP RSRP
  • RSRQ RSRQ
  • VAAS/VATS virtual active antenna/transceiver set
  • For the transmitting side predictions of output power is in some embodiments made based on (in dependence on, in accordance with) mapping receiving RSRP to transmission output power.
  • mmW communication is more energy efficient than sub-6 GHz communication (e.g., from a network node located farther away).
  • mmW communication is more energy efficient than sub-6 GHz communication (e.g., from a network node located farther away), e.g., due to a shorter time period needed to download or upload the data for mmW communication than for sub-6 GHz communication, due to wider system bandwidth and/or due to more MIMO capabilities for mmW communication.
  • the method comprises determining 130 if/when mmW operation is to be utilized for the WD 420 based on (in dependence on, in accordance with) the determined energy efficiency metric. By determining if/when mmW operation is to be utilized for the WD based on (in dependence on, in accordance with) an energy efficiency metric, power consumption is reduced or optimized (for the WD).
  • determining 130 if mmW operation is to be utilized comprises determining 132 that mmW operation is to be utilized if the determined energy efficiency metric is above a first threshold (by comparing the determined energy efficiency metric to the first threshold) and determining 134 that mmW operation is not to be utilized if the determined energy efficiency metric is below or equal to the first threshold (by comparing the determined energy efficiency metric to the first threshold).
  • the energy efficiency metric is determined based on (in dependence on, in accordance with) an estimated power needed (e.g., the energy efficiency metric is determined as an inverse of the estimated power needed or is proportional to the inverse of the estimated power needed) for the predicted usage utilizing a first set of transceivers, the first set of transceivers transmitting and receiving data only within the mmW frequency range.
  • the energy efficiency metric is determined based on (in dependence on, in accordance with) one or more power consumption models.
  • the one or more power consumption models determines the energy efficiency metric as a function of the one or more data communication pattern(s) and/or the one or more data rate(s) and/or the inverse of the estimated power needed. Furthermore, in some embodiments, there is a power consumption model for each transceiver/antenna chain (each transceiver/antenna chain comprising a transceiver and one or more antennas). The power consumption is estimated for each transceiver/antenna chain, and it is determined 122 how many mmW transceiver/antenna chains need to be enabled.
  • the total power consumption needed is estimated from power consumption for/per each transceiver/antenna chain and from the number of transceiver/antenna chains needed to be enabled.
  • the first threshold is based on/in accordance with (or determined as the inverse of or is proportional to the inverse of) an estimated power needed for the (same) predicted usage utilizing a second set of transceivers, the second set of transceivers transmitting and receiving data only in a sub-6 GHz frequency range.
  • data is transmitted/received within the mmW frequency range only when such transmitting/receiving is more energy efficient than transmitting/receiving the same data via sub-6 GHz communication.
  • the method 100 comprises sending 140 a capability report to a network, NW, node, 802, 804.
  • the capability report may be a user equipment (UE) capability report or a WD capability report.
  • the capability report comprises capability information about whether the WD 420 has mmW communication capability or not. The capability information is based on (in dependence on, in accordance with) if mmW operation is (presently) to be utilized for the WD 420.
  • the method comprises sending an indication of whether mmW operation is to be utilized for the WD 420 to a network (NW) node 802, 804.
  • NW network
  • the indication is sent as capability information about whether the WD (420) has mmW capability or not.
  • a capability report may comprise the capability information.
  • FR1 communication or sub-6 GHz communication is utilized.
  • the capability information in a WD capability report or a UE capability report has previously been utilized as a static indicator indicating if the UE/WD is capable of communicating via mmW.
  • the capability information is utilized as a dynamic indicator, indicating whether or not mmW operation is presently to be utilized for the WD 420 or indicating whether mmW or sub-6 GHz communication is presently to be utilized for the WD 420.
  • the method 100 comprises utilizing 145 the (static) capability information (Cl) dynamically to indicate whether or not mmW operation is presently to be utilized for the WD 420 or to indicate whether mmW or FRl/sub-6 GHz communication is presently to be utilized for the WD 420.
  • the WD 420 comprises one or more sensors selected from the group of: motion sensor 440, Global Positioning System (GPS) receiver 442, camera 444, gyroscope, accelerometer, compass, barometer, light sensor, fingerprint sensor and proximity sensor.
  • the usage of the WD 420 is predicted based on (in dependence on, in accordance with) information obtained from the one or more sensors.
  • the one or more sensors may sense that a display of the WD 420 is closed or dark and as a consequence the usage for the next/coming time period is predicted to be low, e.g., below a threshold.
  • the one or more sensors may comprise a light sensor configured to sense a display light.
  • information about display light is obtained from a control signal for the display.
  • the one or more sensors may sense that the WD 420 is in a pocket, e.g., since the WD 420 is upside down and as a consequence predict that the usage for the coming time period will be low, e.g., below a threshold.
  • the WD 420 comprises one or more fingerprint sensors. The usage of the WD 420 is predicted based on (in dependence on, in accordance with) information obtained from the one or more fingerprint sensors 446.
  • the one or more fingerprint sensors 446 may be utilized for determining if one or more antennas (or antenna units or antenna panels) are blocked (e.g., by a hand or finger). This information (whether or not one or more antennas are blocked, e.g., including which one or ones of the antennas that are blocked) may then be utilized to predict the usage (or the energy efficiency metric) of the WD 420 or to adjust a predicted usage (or the energy efficiency metric) of the WD 420. Thereby, a more accurate prediction is achieved.
  • one or more fingerprint sensors 446 may be utilized to detect the presence of a finger on the WD 420 and when a finger is detected, it is predicted that the WD 420 will be utilized e.g., during the following time period.
  • the utilization of one or more fingerprint sensors thereby increases the accuracy in the prediction and/or provides for that an upcoming usage event is predicted earlier (e.g., compared to prediction based on (in dependence on, in accordance with) a control signal for the display, since the one or more fingerprint sensors can sense a finger on the WD before the display is lit up.
  • the method 100 comprises performing 102 a (RRC) connection setup.
  • Performing a (RRC) connection setup comprises receiving 104 an (RRC) setup request from a NW node 802, 804.
  • the method 100 comprises performing 135 a (RRC) connection release (CR; and thus, the WD 420 goes to Idle mode).
  • Performing 135 a (RRC) connection release may comprise sending a request to perform CR or sending a message to detach from the network (comprising the WD 420 and the NW nodes 802, 804).
  • the method 100 may comprise attaching to the network (after having detached from the network).
  • sending 140 a capability report such as an updated capability report (i.e., a capability reconfiguration message) to a NW node 802, 804 may comprise sending 142 the capability report in a (RRC) connection setup message (CSM) or in another RRC message, such as a UE capability information or a (UE-initiated) RRC reconfiguration message.
  • the method 100 comprises, after the CR has been performed, sending 142 (by the WD 420) a CSM (comprising the capability report) and/or sending 142 (by the WD 420) an RRC reconfiguration message (comprising the capability report, e.g., if the CSM did not comprise the capability report).
  • the method 100 comprises, after the CR has been performed, sending 142 (by the WD 420) a CSM, and thereafter sending the capability report in a user equipment (UE) capability information message.
  • the sending 142 of a CSM may be followed by performing (by the WD 420 and/or the NW node 802, 804) connection setup (i.e., a connection setup procedure), e.g., prior to sending a RRC reconfiguration message and/or prior to sending a UE capability information message.
  • Handover and capability reports are different from a Radio Access Network (RAN), e.g., RRC layer, connectivity point of view.
  • RAN Radio Access Network
  • HO Handover
  • sending an HO request is just a recommendation that can be ignored, whereas a capability report is a requirement, which the network must follow.
  • sending (140) a capability report to a NW node 802, 804 (comprising capability information) is only performed upon request from the NW node 802, 804.
  • the method 100 comprises transmitting 150 a WD capability reconfiguration message, such as a UE capability reconfiguration message, during ongoing connection, e.g., when the WD 420 is in an active mode.
  • the active mode is an RRC active mode.
  • the active mode is an RRC inactive mode.
  • the transceivers of the second set of transceivers are different from the transceivers of the first set of transceivers.
  • a plurality of transceivers, such as transceivers of the first set and/or transceivers of the second set are integrated in the same chip or in the same encapsulation.
  • sub-6 GHz communication is performed also when (concurrently with) mmW communication/operation is to be utilized/enabled.
  • prediction of usage is based on (in dependence on, in accordance with) artificial intelligence, Al.
  • the Al is a machine learning algorithm.
  • the machine learning algorithm is a deep learning algorithm.
  • the Al e.g., the machine learning algorithm, is trained with previous sensor information/responses and/or with previous data communication patterns and/or data rates associated with a particular WD 420 or with a particular user, and optionally with previous sensor information/responses and/or with previous data communication patterns and/or previous data rates associated with a group of WDs or users, to which group the particular WD 420 or user belongs to, in order to predict usage (or no usage) for the WD 420, to predict when the WD 420 is going to be used next time etc.
  • Such training may be performed for each individual WD/user.
  • the Al e.g., the machine learning algorithm
  • the machine learning algorithm is able to from the present sensor information/responses and/or from data communication patterns/data rates, and optionally from previous sensor information/responses and/or data communication patterns/data rates, predict the usage of the/each individual WD 420 over the following/next time period.
  • the machine learning algorithm is a deep learning algorithm, e.g., based on (in dependence on, in accordance with) neural network(s).
  • the training and prediction is performed by the processing unit 600.
  • the training and prediction is performed by a processor associated with a network node 802, 804. By basing the prediction of usage on Al accurate prediction may be performed, while energy efficiency is improved (increased).
  • the method 100 comprises repeating 160 the steps 110, 120, 130, 140 and optionally repeating one or more of the steps 102, 104, 112, 114, 122, 132, 134, 135, 142, and 150.
  • the repeated steps may be repeated until a stop repeat criterion is met.
  • a stop criterion may be that the steps have been repeated a user-definable number of times or that the processing unit 600 enters a stand-by mode or is turned off or that the WD 420 enters a stand-by mode or is turned off, e.g., by obtaining a connection release message, turning off the radio communication.
  • a computer program product comprising a non- transitory computer readable medium 200, such as a universal serial bus (USB) memory, a plug-in card, an embedded drive, a digital versatile disc (DVD), a read only memory (ROM), a compact disc (CD) ROM, or a punch card, is provided.
  • Figure 2 illustrates an example computer readable medium in the form of a compact disc (CD) ROM 200.
  • the computer readable medium has stored thereon, a computer program comprising program instructions.
  • the computer program is loadable into a data processor (PROC) 220, which may, for example, be comprised in a computer 210 or a computing device or the processing unit 600.
  • PROC data processor
  • the computer program When loaded into the data processor, the computer program may be stored in a memory (MEM) 230 associated with or comprised in the data processor. According to some embodiments, the computer program may, when loaded into and run by the data processor, cause execution of method steps according to, for example, the method illustrated in figure 1, which is described herein. Furthermore, in some embodiments, there is provided a computer program product comprising instructions, which, when executed on at least one processor of a processing device, cause the processing device to carry out the method illustrated in figure 1.
  • MEM memory
  • a non-transitory computer-readable storage medium storing one or more programs configured to be executed by one or more processors of a processing device, the one or more programs comprising instructions which, when executed by the processing device, causes the processing device to carry out the method illustrated in figure 1.
  • FIG. 3 illustrates method steps implemented in a processing unit 600 according to some embodiments.
  • the processing unit 600 is comprised or comprisable in a wireless device (WD) 420.
  • the processing unit 600 is connected or connectable to a plurality of transceivers 500, ..., 507 directly or via one or more digital interfaces 400, ..., 407.
  • the transceivers 500, ..., 507 (and the one or more digital interfaces 400, ..., 407) are comprised or comprisable in the WD 420.
  • the processing unit 600 (or control circuitry thereof) is configured to obtain 310 information about predicted usage of the WD 420.
  • the processing unit 600 may be associated with (e.g., operatively connectable, or connected, to) a first obtainment unit (e.g., first obtainment circuitry or a first obtainer).
  • a first obtainment unit e.g., first obtainment circuitry or a first obtainer.
  • the processing unit 600 in order to obtain 310 information about predicted usage of the WD 420, is configured to predict 312 usage of the WD 420, e.g., for the following/next/upcoming time period.
  • the processing unit 600 may be associated with (e.g., operatively connectable, or connected, to) a prediction unit (e.g., prediction circuitry or predictor).
  • the processing unit 600 in order to obtain 310 information about predicted usage of the WD 420, is configured to obtain 314 from a network node 802, 804, such as a base station or a processing unit associated with (connectable or connected to) the network node 802, 804, information about the predicted usage of the WD 420.
  • the processing unit 600 may be associated with (e.g., operatively connectable, or connected, to) a second obtainment unit (e.g., second obtainment circuitry or a second obtainer; the second obtainment unit may be the same as the first obtainment unit).
  • the usage of the WD is predicted based on (in dependence on, in accordance with) one or more data communication pattern(s) between the WD 420 and one or more NW node(s) 802, 804.
  • the processing unit 600 is configured to determine 320 an energy efficiency metric for communication within a millimeter wave, mmW, frequency range based on (in dependence on, in accordance with) the predicted usage of the WD 420.
  • the processing unit 600 may be associated with (e.g., operatively connectable, or connected, to) a first determination unit (e.g., first determination circuitry or a first determiner).
  • the processing unit 600 in order to determine 320 an energy efficiency metric for communication within a mmW frequency range, is configured to determine 322 how many mmW transceivers (i.e., transceivers of the first set) need to be enabled during the next time period in order to provide, e.g., sufficient data rate, for the predicted usage over the next time period.
  • the processing unit 600 may be associated with (e.g., operatively connectable, or connected, to) a second determination unit (e.g., second determination circuitry or a second determiner).
  • the processing unit 600 is configured to determine 330 if mmW operation is to be utilized, based on (in dependence on, in accordance with) the determined energy efficiency metric.
  • the processing unit 600 may be associated with (e.g., operatively connectable, or connected, to) a third determination unit (e.g., third determination circuitry or a third determiner).
  • the processing unit 600 is configured to determine 332 that mmW operation is to be utilized if the determined energy efficiency metric is above a first threshold and configured to determine 334 that mmW operation is not to be utilized if the determined energy efficiency metric is below or equal to the first threshold (in order to determine 330 if mmW operation is to be utilized).
  • the processing unit 600 may be associated with (e.g., operatively connectable, or connected, to) fourth and fifth determination units (e.g., fourth and fifth determination circuitries or fourth and fifth determiners).
  • the energy efficiency metric is determined as an estimated power needed for the predicted usage utilizing a first set of transceivers, the first set of transceivers transmitting and receiving data only within the mmW frequency range.
  • the first threshold is based on (in dependence on, in accordance with) an estimated power needed for the predicted usage utilizing a second set of transceivers, the second set of transceivers transmitting and receiving data only in a sub-6 GHz frequency range.
  • the transceivers of the second set of transceivers are different from the transceivers of the first set of transceivers.
  • the transceivers of the first set of transceivers transmit and/or receive data only within the mmW frequency range
  • the transceivers of the second set of transceivers transmit and/or receive data only in an FR1 or sub-6 GHz frequency range.
  • a plurality of transceivers, such as transceivers of the first set and/or transceivers of the second set are integrated in the same chip.
  • the processing unit 600 is configured to transmit/send 340 a capability report to a network, NW, node, 802, 804.
  • the capability report comprises capability information about whether the WD 420 has mmW communication capability or not.
  • the capability information is based on (in dependence on, in accordance with) if mmW operation is to be utilized.
  • the processing unit 600 may be associated with (e.g., operatively connectable, or connected, to) a sending unit (e.g., sending circuitry or one or more senders/transmitters/transceivers, such as the one or more transceivers 500, 501, ..., 507).
  • the processing unit 600 is configured to perform 302 a connection setup.
  • the processing unit 600 may be associated with (e.g., operatively connectable, or connected, to) a connection setup unit (e.g., connection setup circuitry).
  • a connection setup unit e.g., connection setup circuitry
  • the processing unit 600 is configured to receive 304 an RRC setup request from a NW node 802, 804.
  • the processing unit 600 may be associated with (e.g., operatively connectable, or connected, to) a reception unit (e.g., reception circuitry or the one or more transceivers 500, 501, ..., 507).
  • the processing unit 600 may be configured to perform 335 a connection release (CR).
  • CR connection release
  • the processing unit 600 may be configured to send 342 the capability report in a connection setup message, CSM.
  • the processing unit 600 is configured to utilize 345 the (static) capability information (Cl) dynamically to indicate whether or not mmW operation is presently to be utilized for the WD 420 or to indicate whether mmW communication or sub-6 GHz communication is presently to be utilized for the WD 420.
  • the processing unit 600 may be associated with (e.g., operatively connectable, or connected, to) a utilization unit (e.g., utilizing circuitry or a utilizer).
  • the processing unit 600 is configured to transmit 350 a WD capability reconfiguration message, such as a UE capability reconfiguration message, when the WD 420 is in an active mode.
  • the active mode is an RRC active mode.
  • the active mode is an RRC inactive mode.
  • the processing unit 600 is configured to repeat 360 the steps 310, 320, 330, 340 and optionally repeating one or more of the steps 302, 304, 312, 314, 322, 332, 334, 335, 342, and 350.
  • the controlling circuitry may be associated with (e.g., operatively connectable, or connected, to) a repetition unit (e.g., repetition circuitry or a repeater).
  • FIG. 4 illustrates a system comprising a wireless device (WD) 420 and network nodes, such as base stations, such as next generation Node Bs, gNBs, enhanced Node Bs, (eNBs), radio base stations (RBS), or remote radio units (RRU), 802, 804 according to some embodiments.
  • the wireless device 420 comprises a processing unit 600.
  • the processing unit 600 is connected or connectable to a plurality of transceivers 500, ..., 507 directly or via one or more digital interfaces 400, ..., 407.
  • each transceiver 500, ..., 507 is connected to one or more antennas 700, ..., 707.
  • the WD 420 comprises the transceivers 500, ..., 507, the processing unit 600 and optionally the digital interfaces 400, ..., 407 and/or the one or more antennas 700, ..., 707.
  • the digital interfaces 400, ..., 407 are comprised in a respective transceiver 500, ..., 507.
  • the digital interfaces 400, ..., 407 are comprised in the processing unit 600.
  • the WD 420 is able/configurable to communicate with the base stations 802, 804 (via antennas 700, ..., 707 and transceivers 500, ..., 507).
  • the WD 420 comprises a plurality of transceiver/antenna chains 900, 901, ..., 907.
  • Each transceiver/antenna chain 900, 901, ..., 907 comprises a transceiver 500, ..., 507 and one or more antennas 700, ..., 707.
  • each transceiver/antenna chain 900, 901, 907 comprises a digital interface 400, ..., 407.
  • the WD 420 comprises one or more sensors.
  • the one or more sensors may comprise one or more motion sensors 440, one or more Global Positioning System (GPS) receivers 442, one or more cameras 444, one or more gyroscopes, one or more accelerometers, one or more compasses, one or more barometers, one or more light sensors, one or more fingerprint sensors and one or more proximity sensors.
  • GPS Global Positioning System
  • the WD (420) comprises one or more sensors (440, 442, 444) selected from the group of: motion sensor, GPS, camera, gyroscope, accelerometer, compass, barometer, light sensor, fingerprint sensor and proximity sensor; and wherein the usage of the WD (420) is predicted based on information obtained from the one or more sensors (440, 442, 444).
  • the WD (420) comprises one or more sensors (440, 442, 444) selected from the group of: motion sensor, GPS, camera, gyroscope, accelerometer, compass, barometer, light sensor, fingerprint sensor and proximity sensor; and wherein the usage of the WD (420) is predicted based on information obtained from the one or more sensors (440, 442, 444).
  • determining (130) if mmW operation is to be utilized comprises determining (132) that mmW operation is to be utilized if the energy efficiency metric is above a first threshold and determining (134) that mmW operation is not to be utilized if the energy efficiency metric is below or equal to the first threshold.
  • a computer program product comprising a non-transitory computer readable medium (200), having stored thereon a computer program comprising program instructions, the computer program being loadable into a data processing unit (220) and configured to cause execution of the method of any of examples 1-9 when the computer program is run by the data processing unit.
  • any method disclosed herein do not have to be performed in the exact order disclosed, unless a step is explicitly described as following or preceding another step and/or where it is implicit that a step must follow or precede another step.
  • the partition of functional blocks into particular units is by no means intended as limiting. Contrarily, these partitions are merely examples. Functional blocks described herein as one unit may be split into two or more units. Furthermore, functional blocks described herein as being implemented as two or more units may be merged into fewer e.g., a single) unit. Any feature of any of the embodiments/aspects disclosed herein may be applied to any other embodiment/aspect, wherever suitable.

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

L'invention concerne un procédé (100) destiné à une unité (600) de traitement, l'unité (600) de traitement pouvant être comprise dans un dispositif sans fil, WD, (420) et pouvant être reliée à une pluralité d'émetteurs-récepteurs (500, …, 508), le procédé comportant les étapes consistant à: obtenir (110) des informations concernant une utilisation prédite du WD (420); déterminer (120) une métrique de rendement énergétique pour une communication à l'intérieur d'une plage de fréquences à ondes millimétriques, 5 mmW, d'après l'utilisation prédite du WD (420); déterminer (130) si un fonctionnement en mmW doit être utilisé pour le WD (420), d'après la métrique de rendement énergétique; et envoyer (140) un compte rendu de capacité à un nœud de réseau, NW (802, 804), le compte rendu de capacité comportant des informations de capacité concernant le fait que le WD (420) possède ou on une capacité mmW, les informations de capacité étant basées sur le fait que le fonctionnement en mmW doive être utilisé ou non pour le WD (420). L'invention concerne également un produit de programme informatique, un appareil et une unité de traitement correspondants.
PCT/SE2023/050028 2022-01-17 2023-01-11 Procédé de détermination du moment où un fonctionnement en mmw doit être utilisé, un produit de programme informatique, et unité de traitement associée WO2023136768A1 (fr)

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Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20180295552A1 (en) 2017-04-11 2018-10-11 Qualcomm Incorporated Inter-radio access technology (rat), inter-band, or inter-carrier switching base on power consumption
US11012135B2 (en) 2017-03-16 2021-05-18 Qualcomm Incorporated Sensor-driven systems and methods to activate and deactivate beam scanning
EP3893559A1 (fr) * 2019-01-08 2021-10-13 Samsung Electronics Co., Ltd. Procédé et appareil pour réduire la consommation d'énergie électrique d'un terminal dans un système de communication sans fil

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11012135B2 (en) 2017-03-16 2021-05-18 Qualcomm Incorporated Sensor-driven systems and methods to activate and deactivate beam scanning
US20180295552A1 (en) 2017-04-11 2018-10-11 Qualcomm Incorporated Inter-radio access technology (rat), inter-band, or inter-carrier switching base on power consumption
EP3893559A1 (fr) * 2019-01-08 2021-10-13 Samsung Electronics Co., Ltd. Procédé et appareil pour réduire la consommation d'énergie électrique d'un terminal dans un système de communication sans fil

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