WO2024040441A1 - Procédés, dispositifs et support pour une communication - Google Patents

Procédés, dispositifs et support pour une communication Download PDF

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Publication number
WO2024040441A1
WO2024040441A1 PCT/CN2022/114311 CN2022114311W WO2024040441A1 WO 2024040441 A1 WO2024040441 A1 WO 2024040441A1 CN 2022114311 W CN2022114311 W CN 2022114311W WO 2024040441 A1 WO2024040441 A1 WO 2024040441A1
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WIPO (PCT)
Prior art keywords
signal
network device
occasion
terminal device
low power
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PCT/CN2022/114311
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English (en)
Inventor
Lei Chen
Gang Wang
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Nec Corporation
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Publication date
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Priority to PCT/CN2022/114311 priority Critical patent/WO2024040441A1/fr
Publication of WO2024040441A1 publication Critical patent/WO2024040441A1/fr

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    • 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
    • H04W52/0225—Power saving arrangements in terminal devices using monitoring of external events, e.g. the presence of a signal
    • H04W52/0235—Power saving arrangements in terminal devices using monitoring of external events, e.g. the presence of a signal where the received signal is a power saving command
    • 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
    • H04W52/0216—Power saving arrangements in terminal devices managed by the network, e.g. network or access point is master and terminal is slave using a pre-established activity schedule, e.g. traffic indication frame
    • 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
    • H04W52/0225—Power saving arrangements in terminal devices using monitoring of external events, e.g. the presence of a signal
    • H04W52/0245—Power saving arrangements in terminal devices using monitoring of external events, e.g. the presence of a signal according to signal strength
    • 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
    • H04W52/0261—Power saving arrangements in terminal devices managing power supply demand, e.g. depending on battery level
    • H04W52/0274—Power saving arrangements in terminal devices managing power supply demand, e.g. depending on battery level by switching on or off the equipment or parts thereof
    • H04W52/028—Power saving arrangements in terminal devices managing power supply demand, e.g. depending on battery level by switching on or off the equipment or parts thereof switching on or off only a part of the equipment circuit blocks
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W76/00—Connection management
    • H04W76/20—Manipulation of established connections
    • H04W76/28—Discontinuous transmission [DTX]; Discontinuous reception [DRX]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
    • 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

  • Example embodiments of the present disclosure generally relate to the field of communication techniques and in particular, to methods, devices, and a computer readable medium for communication.
  • a user equipment may enter to a radio resource control (RRC) idle/inactive state to reduce power consumption.
  • RRC radio resource control
  • IoT Internet of Things
  • example embodiments of the present disclosure provide methods, devices and a computer storage medium for communication.
  • a method of communication comprises: monitoring, at a terminal device in a low power mode, a first signal from a network device; monitoring a second signal from the network device, the second signal being at least a part of a low power wake up signal; in accordance with a determination that the first signal is detected and the second signal is detected, waking up from the low power mode; or in accordance with a determination that the first signal is detected and the second signal is not detected, staying in the low power mode.
  • a method of communication comprises: generating, at a network device, a first signal for a plurality of terminal devices in a low power mode; determining whether to wake up one of the plurality of terminal devices; in accordance with a determination that the terminal device is needed to wake up, generating a second signal for the one of the plurality of terminal devices, the second signal being a low power wake up signal; transmitting the first signal to the plurality of terminal devices; and transmitting the second signal to the one of the plurality of terminal devices.
  • a terminal device comprising a processor and a memory.
  • the memory is coupled to the processor and stores instructions thereon. The instructions, when executed by the processor, cause the terminal device to perform the method according to the first aspect above.
  • a network device comprising a processor and a memory.
  • the memory is coupled to the processor and stores instructions thereon. The instructions, when executed by the processor, cause the network device to perform the method according to the second aspect above.
  • a computer readable medium having instructions stored thereon, the instructions, when executed on at least one processor, causing the at least one processor to carry out the method according to the first aspect or the second aspect above.
  • FIG. 1 illustrates an example communication system in which some embodiments of the present disclosure can be implemented
  • FIG. 2A illustrates a schematic diagram of resources occupied by an LP signal which can be used in some example embodiments of the present disclosure
  • FIGS. 2B-2C illustrate schematic diagrams of OOK symbols which can be used in some example embodiments of the present disclosure
  • FIG. 3 illustrates a signalling chart illustrating communication process in accordance with some embodiments of the present disclosure
  • FIGS. 4A-4C illustrate some example schematic diagrams of the time resources of the first signal and the second signal according to some embodiments of the present disclosure
  • FIGS. 5A-5B illustrate some example schematic diagrams of time durations of the first signal and the second signal according to some embodiments of the present disclosure
  • FIG. 6 illustrates a schematic diagram of multiple candidate signals including the second signal according to some embodiments of the present disclosure
  • FIG. 7 illustrates a schematic diagram of multiple occasions for a wake up signal according to some embodiments of the present disclosure
  • FIG. 8 illustrates a flowchart of an example method in accordance with some embodiments of the present disclosure
  • FIG. 9 illustrates a flowchart of an example method in accordance with some embodiments of the present disclosure.
  • FIG. 10 illustrates a simplified block diagram of a device that is suitable for implementing embodiments of the present disclosure.
  • references in the present disclosure to “one embodiment, ” “an embodiment, ” “an example embodiment, ” and the like indicate that the embodiment described may include a particular feature, structure, or characteristic, but it is not necessary that every embodiment includes the particular feature, structure, or characteristic. Moreover, such phrases are not necessarily referring to the same embodiment. Further, when a particular feature, structure, or characteristic is described in connection with an embodiment, it is submitted that it is within the knowledge of one skilled in the art to affect such feature, structure, or characteristic in connection with other embodiments whether or not explicitly described.
  • first and second etc. may be used herein to describe various elements, these elements should not be limited by these terms. These terms are only used to distinguish one element from another. For example, a first element could be termed a second element, and similarly, a second element could be termed a first element, without departing from the scope of example embodiments.
  • the term “and/or” includes any and all combinations of one or more of the listed terms.
  • values, procedures, or apparatus are referred to as “best, ” “lowest, ” “highest, ” “minimum, ” “maximum, ” or the like. It will be appreciated that such descriptions are intended to indicate that a selection among many used functional alternatives can be made, and such selections need not be better, smaller, higher, or otherwise preferable to other selections.
  • the term “communication network” refers to a network following any suitable communication standards, such as New Radio (NR) , Long Term Evolution (LTE) , LTE-Advanced (LTE-A) , Wideband Code Division Multiple Access (WCDMA) , High-Speed Packet Access (HSPA) , Narrow Band Internet of Things (NB-IoT) and so on.
  • NR New Radio
  • LTE Long Term Evolution
  • LTE-A LTE-Advanced
  • WCDMA Wideband Code Division Multiple Access
  • HSPA High-Speed Packet Access
  • NB-IoT Narrow Band Internet of Things
  • the communications between a terminal device and a network device in the communication network may be performed according to any suitable generation communication protocols, including, but not limited to, the first generation (1G) , the second generation (2G) , 2.5G, 2.75G, the third generation (3G) , the fourth generation (4G) , 4.5G, the fifth generation (5G) , 5.5G, 5G-Advanced networks, or the sixth generation (6G) communication protocols, and/or any other protocols either currently known or to be developed in the future.
  • the present disclosure may be applied in various communication systems. Given the rapid development in communications, there will of course also be future type communication technologies and systems with which the present disclosure may be embodied. It should not be seen as limiting the scope of the present disclosure to only the aforementioned system.
  • terminal device refers to any device having wireless or wired communication capabilities.
  • Examples of terminal device include, but not limited to, user equipment (UE) , personal computers, desktops, mobile phones, cellular phones, smart phones, personal digital assistants (PDAs) , portable computers, tablets, wearable devices, internet of things (IoT) devices, Ultra-reliable and Low Latency Communications (URLLC) devices, Internet of Everything (IoE) devices, machine type communication (MTC) devices, device on vehicle for V2X communication where X means pedestrian, vehicle, or infrastructure/network, devices for Integrated Access and Backhaul (IAB) , Space borne vehicles or Air borne vehicles in Non-terrestrial networks (NTN) including Satellites and High Altitude Platforms (HAPs) encompassing Unmanned Aircraft Systems (UAS) , eXtended Reality (XR) devices including different types of realities such as Augmented Reality (AR) , Mixed Reality (MR) and Virtual Reality (VR) , the unmanned aerial vehicle (UAV) commonly
  • UE user equipment
  • the ‘terminal device’ can further has ‘multicast/broadcast’ feature, to support public safety and mission critical, V2X applications, transparent IPv4/IPv6 multicast delivery, IPTV, smart TV, radio services, software delivery over wireless, group communications and IoT applications. It may also be incorporated one or multiple Subscriber Identity Module (SIM) as known as Multi-SIM.
  • SIM Subscriber Identity Module
  • the term “terminal device” can be used interchangeably with a UE, a mobile station, a subscriber station, a mobile terminal, a user terminal or a wireless device.
  • the term “network device” refers to a device which is capable of providing or hosting a cell or coverage where terminal devices can communicate.
  • a network device include, but not limited to, a satellite, a unmanned aerial systems (UAS) platform, a Node B (NodeB or NB) , an evolved NodeB (eNodeB or eNB) , a next generation NodeB (gNB) , a transmission reception point (TRP) , a remote radio unit (RRU) , a radio head (RH) , a remote radio head (RRH) , an IAB node, a low power node such as a femto node, a pico node, a reconfigurable intelligent surface (RIS) , and the like.
  • UAS unmanned aerial systems
  • NodeB Node B
  • eNodeB or eNB evolved NodeB
  • gNB next generation NodeB
  • TRP transmission reception point
  • RRU remote radio unit
  • RH
  • the terminal device may be connected with a first network device and a second network device.
  • One of the first network device and the second network device may be a master node and the other one may be a secondary node.
  • the first network device and the second network device may use different radio access technologies (RATs) .
  • the first network device may be a first RAT device and the second network device may be a second RAT device.
  • the first RAT device is eNB and the second RAT device is gNB.
  • Information related with different RATs may be transmitted to the terminal device from at least one of the first network device and the second network device.
  • first information may be transmitted to the terminal device from the first network device and second information may be transmitted to the terminal device from the second network device directly or via the first network device.
  • information related with configuration for the terminal device configured by the second network device may be transmitted from the second network device via the first network device.
  • Information related with reconfiguration for the terminal device configured by the second network device may be transmitted to the terminal device from the second network device directly or via the first network device.
  • Communications discussed herein may conform to any suitable standards including, but not limited to, New Radio Access (NR) , Long Term Evolution (LTE) , LTE-Evolution, LTE-Advanced (LTE-A) , Wideband Code Division Multiple Access (WCDMA) , Code Division Multiple Access (CDMA) , cdma2000, and Global System for Mobile Communications (GSM) and the like.
  • NR New Radio Access
  • LTE Long Term Evolution
  • LTE-A LTE-Evolution
  • WCDMA Wideband Code Division Multiple Access
  • CDMA Code Division Multiple Access
  • GSM Global System for Mobile Communications
  • Examples of the communication protocols include, but not limited to, the first generation (1G) , the second generation (2G) , 2.5G, 2.85G, the third generation (3G) , the fourth generation (4G) , 4.5G, the fifth generation (5G) , and the sixth (6G) communication protocols.
  • the techniques described herein may be used for the wireless networks and radio technologies mentioned above as well as other wireless networks and radio technologies.
  • the embodiments of the present disclosure may be performed according to any generation communication protocols either currently known or to be developed in the future.
  • Examples of the communication protocols include, but not limited to, the first generation (1G) , the second generation (2G) , 2.5G, 2.75G, the third generation (3G) , the fourth generation (4G) , 4.5G, the fifth generation (5G) communication protocols, 5.5G, 5G-Advanced networks, or the sixth generation (6G) networks.
  • the terminal device or the network device may have Artificial intelligence (AI) or machine learning capability. It generally includes a model which has been trained from numerous collected data for a specific function, and can be used to predict some information.
  • AI Artificial intelligence
  • machine learning capability it generally includes a model which has been trained from numerous collected data for a specific function, and can be used to predict some information.
  • the terminal device or the network device may work on several frequency ranges, e.g. FR1 (410 MHz –7125 MHz) , FR2 (24.25GHz to 71GHz) , frequency band larger than 100GHz as well as Tera Hertz (THz) . It can further work on licensed/unlicensed/shared spectrum.
  • the terminal device may have more than one connection with the network device under Multi-Radio Dual Connectivity (MR-DC) application scenario.
  • MR-DC Multi-Radio Dual Connectivity
  • the terminal device or the network device can work on full duplex, flexible duplex and cross division duplex modes.
  • test equipment e.g., signal generator, signal analyzer, spectrum analyzer, network analyzer, test terminal device, test network device, or channel emulator.
  • the embodiments of the present disclosure may be performed according to any generation communication protocols either currently known or to be developed in the future.
  • Examples of the communication protocols include, but not limited to, the first generation (1G) , the second generation (2G) , 2.5G, 2.75G, the third generation (3G) , the fourth generation (4G) , 4.5G, the fifth generation (5G) communication protocols, 5.5G, 5G-Advanced networks, or the sixth generation (6G) networks.
  • circuitry used herein may refer to hardware circuits and/or combinations of hardware circuits and software.
  • the circuitry may be a combination of analog and/or digital hardware circuits with software/firmware.
  • the circuitry may be any portions of hardware processors with software including digital signal processor (s) , software, and memory (ies) that work together to cause an apparatus, such as a terminal device or a network device, to perform various functions.
  • the circuitry may be hardware circuits and or processors, such as a microprocessor or a portion of a microprocessor, that requires software/firmware for operation, but the software may not be present when it is not needed for operation.
  • the term circuitry also covers an implementation of merely a hardware circuit or processor (s) or a portion of a hardware circuit or processor (s) and its (or their) accompanying software and/or firmware.
  • values, procedures, or apparatus are referred to as “best, ” “lowest, ” “highest, ” “minimum, ” “maximum, ” or the like. It will be appreciated that such descriptions are intended to indicate that a selection among many used functional alternatives can be made, and such selections need not be better, smaller, higher, or otherwise preferable to other selections.
  • the periodic paging monitoring and measurement consume considerable power at UE side, which is critical for the power limited devices such as IoT devices or wearable devices.
  • a low power wake up signal (LP-WUS) is proposed in NR Release 18, which may study and evaluate techniques of low power signals and low power receivers, to enable extreme low power consumption and low wake up latency.
  • the LP-WUS is designed to be a simple signal so that the UE may consume extreme low power while detecting the LP-WUS.
  • the LP-WUS may have a poor coverage, and the UE may not successfully detect the LP-WUS, that is, a miss detection of the LP-WUS may occurs.
  • the UE may not wake up since an LP-WUS is miss detected, and the UE cannot receive the following signals, such as paging information, and the communication efficiency cannot be guaranteed. Therefore, some further studies are needed in case miss detection occurs during a wake up procedure.
  • Embodiments of the present disclosure provide a solution of communication.
  • two signals are used for indicating the terminal device whether to wake up.
  • the terminal device may determine whether a miss-detection of the second signal is happened based on the first signal, and thus a wrong determination on whether to wake up may be avoided.
  • FIG. 1 illustrates an example communication system 100 in which some embodiments of the present disclosure can be implemented.
  • the communication network 100 includes a network device 110 and a terminal device 120.
  • the network device 110 can provide services to the terminal device 120.
  • a link from the network device 110 to the terminal device 120 is referred to as a downlink (DL)
  • a link from the terminal device 120 to the network device 110 is referred to as an uplink (UL)
  • the network device 110 is a transmitting (TX) device (or a transmitter)
  • the terminal device 120 is a receiving (RX) device (or a receiver)
  • the terminal device 120 is a transmitting TX device (or a transmitter) and the network device 110 is a RX device (or a receiver) .
  • the network device 110 and the terminal device 120 may communicate with direct links/channels.
  • DL may comprise one or more logical channels, including but not limited to a Physical Downlink Control Channel (PDCCH) and a Physical Downlink Shared Channel (PDSCH) .
  • UL may comprise one or more logical channels, including but not limited to a Physical Uplink Control Channel (PUCCH) and a Physical Uplink Shared Channel (PUSCH) .
  • the term “channel” may refer to a carrier or a part of a carrier consisting of a contiguous set of resource blocks (RBs) on which a channel access procedure is performed in shared spectrum.
  • the terminal device 120 may be in a main mode.
  • the terms “main radio” , “main receiver” can be used interchangeably.
  • the terminal device 120 may receive/transmit normal DL/UL transmission (e.g., PDSCH, PDCCH, PUSCH, PUCCH, etc. ) in the main mode with the main radio.
  • the terminal device 120 may be in an idle/inactive mode. For example, the same coverage as the normal DL/UL transmission cannot be provided and the terminal device 120 may receive wake up signals (WUS) with wake up receivers (WUR) .
  • WUS wake up signals
  • WUR wake up receivers
  • the primary target for the WUS or WUR may be power-sensitive, small form-factor devices including IoT use cases (such as industrial sensors, controllers) and wearables.
  • low power wake up receiver architectures may be studied and evaluated.
  • wake up signal designs to support wake up receivers may be studied and evaluated.
  • L1 procedures and higher layer protocol changes needed to support the wake up signals may be studied and evaluated.
  • the terminal device 120 may be in a low power mode.
  • the terms “low power mode” , “LP mode” , “ultra-low power mode” can be used interchangeably, and the terms “low power radio” , “ultra-low power radio” , “low power receiver” , “ultra-low power receiver” , “wake-up receiver” can be used interchangeably.
  • the term “low power (LP) mode” may refer to a mode that the terminal device 120 is not required to perform at least one of: paging monitoring, cell selection and re-selection, measurement based on a synchronization signal block (SSB) or channel state information -reference signal (CSI-RS) , PDCCH monitoring, UL transmission, etc., and the terminal device 120 is required to perform LP signal monitoring and/or detection.
  • SSB synchronization signal block
  • CSI-RS channel state information -reference signal
  • the term “low power (LP) radio” may refer to a radio used in the low power mode for transmission/reception.
  • the LP radio may be independent to the main radio, and it is not used for transmission/reception of the normal DL/UL transmissions.
  • the LP radio may share at least a part of the components of the main radio, and it may have lower power consumption than the main radio.
  • the terminal device 120 may perform, when in a main mode, at least one of: paging monitoring, cell selection and re-selection, measurement based on SSB or CSI-RS, PDCCH monitoring, or UL transmission.
  • the terminal device 120 may enter the LP mode by switching off the main radio. For example, the terminal device 120 is allowed to switch off its main radio and switch on its LP radio, wherein the LP radio is used to receive the LP signals and the main radio is used to receive or transmit the signals other than the LP signals.
  • Communications in the system 100, between the network device 110 and the terminal device 120 for example, may be implemented according to any proper communication protocol (s) , comprising, but not limited to, cellular communication protocols of the first generation (1G) , the second generation (2G) , the third generation (3G) , the fourth generation (4G) and the fifth generation (5G) and on the like, wireless local network communication protocols such as Institute for Electrical and Electronics Engineers (IEEE) 802.11 and the like, and/or any other protocols currently known or to be developed in the future.
  • s any proper communication protocol
  • s comprising, but not limited to, cellular communication protocols of the first generation (1G) , the second generation (2G) , the third generation (3G) , the fourth generation (4G) and the fifth generation (5G) and on the like, wireless local network communication protocols such as Institute for Electrical and Electronics Engineers (IEEE) 802.11 and the like, and/or any other protocols currently known or to be developed in the future.
  • IEEE Institute for Electrical and Electronics Engineers
  • the communication may utilize any proper wireless communication technology, comprising but not limited to: Code Divided Multiple Address (CDMA) , Frequency Divided Multiple Address (FDMA) , Time Divided Multiple Address (TDMA) , Frequency Divided Duplexer (FDD) , Time Divided Duplexer (TDD) , Multiple-Input Multiple-Output (MIMO) , Orthogonal Frequency Divided Multiple Access (OFDMA) and/or any other technologies currently known or to be developed in the future.
  • CDMA Code Divided Multiple Address
  • FDMA Frequency Divided Multiple Address
  • TDMA Time Divided Multiple Address
  • FDD Frequency Divided Duplexer
  • TDD Time Divided Duplexer
  • MIMO Multiple-Input Multiple-Output
  • OFDMA Orthogonal Frequency Divided Multiple Access
  • Embodiments of the present disclosure can be applied to any suitable scenarios.
  • embodiments of the present disclosure can be implemented at reduced capability NR devices.
  • embodiments of the present disclosure can be implemented in one of the followings: NR multiple-input and multiple-output (MIMO) , NR sidelink enhancements, NR systems with frequency above 52.6GHz, an extending NR operation up to 71GHz, narrow band-Internet of Thing (NB-IOT) /enhanced Machine Type Communication (eMTC) over non-terrestrial networks (NTN) , NTN, UE power saving enhancements, NR coverage enhancement, NB-IoT and LTE-MTC, Integrated Access and Backhaul (IAB) , NR Multicast and Broadcast Services, or enhancements on Multi-Radio Dual-Connectivity.
  • MIMO multiple-input and multiple-output
  • NR sidelink enhancements NR systems with frequency above 52.6GHz, an extending NR operation up to 71GHz
  • NB-IOT narrow band-Internet of
  • the system 100 may include any suitable numbers of devices adapted for implementing embodiments of the present disclosure.
  • the terminal device 120 when in a low power mode, may receive a low power signal, such as an LP-WUS.
  • a low power signal such as an LP-WUS.
  • the LP-WUS may be used for indicating the terminal device 120 to wake up from the LP mode, and start to monitor a paging occasion for paging information, and the LP-WUS may be UE group specific (or UE specific) and may be an on-demand signal.
  • the LP-WUS may be based on at least one amplitude modulation sequence, where the sequence may include a symbol with higher amplitude and a symbol with lower amplitude.
  • the amplitude modulation may include amplitude shift keying (ASK) or on-off keying (OOK) modulation.
  • ASK amplitude shift keying
  • OOK on-off keying
  • the receiver may detect the envelop or energy of the time domain signal with a relatively low sampling rate, and without complicated baseband processing.
  • the OOK modulation is considered in the following disclosure as one of the amplitude modulation.
  • An OOK modulation sequence may include at least one OOK on-symbol and at least one OOK off-symbol.
  • the present disclosure does not limit this aspect.
  • the LP-WUS may be based on at least one Gold sequence.
  • the LP-WUS may occupy a set of time/frequency resources for a serving cell.
  • FIG. 2A illustrates a schematic diagram of resources 210 occupied by an LP-WUS which can be used in some example embodiments of the present disclosure.
  • the resources allocated to the LP-WUS 212 may be overlapped with a set of PRBs or subcarriers, i.e., the terminal device 120 may be indicated a set of PRBs or subcarriers, and the frequency resources of the set of PRBs or subcarriers are used by the LP-WUS 212.
  • the resources allocated to the LP-WUS 212 may be overlapped with a set of OFDM symbols, i.e., the terminal device 120 may be indicated a set of OFDM symbols, and the time resources of the set of OFDM symbols are used by the LP-WUS 212.
  • an OOK symbol can be an OOK on-symbol (denoted by logical “1” ) or an OOK off-symbol (denoted by logical “0” ) , where the OOK on-symbol has a relatively high power, and the OOK off-symbol has zero power or relatively low power.
  • FIGS. 2B-2C illustrate schematic diagrams of OOK symbols which can be used in some example embodiments of the present disclosure.
  • an OOK on-symbol or an OOK off-symbol may have a duration which equals to the duration of an OFDM symbol.
  • an OOK on-symbol and an OOK off-symbol are realized by a non-zero power OFDM symbol and a zero power OFDM symbol respectively.
  • an OOK on-symbol or an OOK off-symbol may have a duration which is shorter than an OFDM symbol.
  • the OOK on-symbol and OOK off-symbol can be realized by DFT-s-OFDM, or by independent time domain generation.
  • an LP-WUS may include a sequence of OOK symbols which is formed by at least one OOK on-symbol and at least one OOK off-symbol, e.g., “1010...1” as shown in FIGS. 2B-2C.
  • OFDM symbol indicates CP-OFDM symbol, or any variant of OFDM symbol, e.g., GI-OFDM, zero CP OFDM, unique word OFDM, etc.
  • the OOK on-symbol has a higher power
  • the OOK off-symbol has a lower power.
  • the terms “power” , “energy” , “amplitude” , “strength” may be used interchangeably.
  • FIG. 3 illustrates a signalling chart illustrating communication process 300 in accordance with some example embodiments of the present disclosure. Only for the purpose of discussion, the process 300 will be described with reference to FIG. 1.
  • the process 300 may involve the network device 110 and the terminal device 120.
  • the network device 110 generates 310 a first signal for multiple terminal devices including the terminal device 120, where the multiple terminal devices may be in a low power mode.
  • the network device 110 generates 320 a second signal for the terminal device 120 if the terminal device 120 is needed to wake up, where the second signal is at least a part of a low power wake up signal.
  • the network device 110 may determine whether one of the multiple terminal devices (such as the terminal device 120) is needed to wake up.
  • the first signal is different from the second signal.
  • the first signal and the second signal may be two different low power wake up signals.
  • the first signal and the second signal may be two different parts of a low power wake up signal.
  • the second signal may be a low power wake up signal and the first signal is another signal such as a synchronization signal.
  • the network device 110 may always generate the first signal regardless of the second signal. In some embodiments, the network device 110 may generate the first signal only if there needs to generate the second signal. For example, the network device 110 may determine whether one of the multiple terminal devices is needed to wake up, and the network device 110 may generate the first signal and the second signal if at least one of the multiple terminal devices is needed to wake up. In some embodiments, the second signal is an on-demand signal.
  • the first signal may comprise a first sequence.
  • the first sequence may be an amplitude modulation sequence, such as an OOK sequence, which include at least one OOK on-symbol and at least one OOK off-symbol.
  • the second signal may comprise a second sequence.
  • the second sequence may be an amplitude modulation sequence, such as an OOK sequence, which include at least one OOK on-symbol and at least one OOK off-symbol.
  • the first sequence may be generated based on a first ID, denoted as N ID1 .
  • the second sequence may be generated based on a second ID, denoted as N ID2 .
  • the first sequence is different from the second sequence, and the first ID is different from the second ID.
  • the first ID is generated based on one or more of: a cell ID, a cell group ID, a public land mobile network (PLMN) ID, a position of the paging occasion, a tracking area code (TAC) , a tracking area ID, or an ID configured by the network device.
  • the ID configured by the network device may be a UE group ID which is different from the second ID.
  • the first sequence with the first ID may be generated based on one or more m-sequences.
  • m-sequence may be represented as x (m)
  • the first sequence may be represented as d s1 (n)
  • the first sequence may be defined as:
  • N ID1 may be an integer which is associated with an identifier, and the identifier may be a cell ID, a cell group ID, a PLMN, a position of the paging occasion, a tracking area ID, a tracking area code (TAC) , or an integer indicated by the network device 110, as discussed above.
  • TAC tracking area code
  • the first sequence may be generated based on a first bit sequence with an encoding operation.
  • the first bit sequence may be generated based on the first ID, for example, the first bit sequence may be a binary format of the first ID or may be a bitmap based on the first ID.
  • the first bit sequence may be encoded to a code block which may be further mapped to the first sequence.
  • the second ID is generated based on one or more of: a UE ID, a UE group ID, a paging probability, or an ID configured by the network device.
  • the ID configured by the network device may be a group ID which is different from the first ID.
  • the second sequence with the second ID may be generated based on at least one m-sequence.
  • m-sequence may be represented as x (m)
  • the second sequence may be represented as d s2 (n)
  • the second sequence may be defined as:
  • x 1 (m 1 ) and x 2 (m 2 ) are two m-sequences with similar designs as the m-sequence stated in equation (1) .
  • At least m 1 or m 2 is determined based on the second ID, that is, m 1 and/or m 2 is associated with the second ID.
  • m 1 is associated with the first ID and the second ID
  • m 2 is associated with the first ID.
  • floor () is a function that outputs the largest integer less than or equal to the input
  • a1, a2, a3, a4, B and C are integers.
  • the second sequence may be generated based on a second bit sequence with an encoding operation.
  • the second bit sequence may be generated based on the second ID, for example, the second bit sequence may be a binary format of the second ID or may be a bitmap based on the second ID.
  • the second bit sequence may be encoded to a code block which may be further mapped to the second sequence.
  • the first sequence may be cell-specific, i.e., common for all UE groups.
  • the first sequence may be shared among all UEs in the cell and accordingly the overhead may be saved.
  • the second sequence may be UE group-specific, thus it is beneficial for UE power saving because it avoids the terminal device frequently wake up with no effective paging information.
  • the second signal may be one of multiple signals corresponding to multiple behaviors.
  • the multiple behaviors may be those the terminal device 120 may perform while waking up from the low power mode.
  • the multiple signals may be used for indicating multiple behaviors, and the second signal may be used for indicating one of the multiple behaviors.
  • the multiple behaviors may include: switching on a main radio, switching off a low power radio, stopping monitoring the second signal, monitoring at least one paging occasion, performing a measurement, updating a configuration of the second signal, performing an initial access procedure, and performing a cell reselection procedure.
  • the second signal may be associated with the first signal.
  • multiple terminal devices may be divided in to multiple groups, and the network device 110 may determine multiple candidate signals for the multiple groups, for example, different candidate signals may be generated based on different group IDs.
  • the second signal may be one of the multiple candidate signals.
  • the terminal device 120 may belong to one group of the multiple groups, and the second signal may be the candidate signal which corresponds to the one group.
  • the network device 110 transmits 330 the first signal 332.
  • the first signal is transmitted to multiple terminal devices which include the terminal device 120.
  • the network device 110 transmits 340 the second signal 334 to the terminal device 120. In some examples, if the network device 110 determines to wake up the terminal device 120, the second signal can be transmitted.
  • the first signal and the second signal occupy different time resources.
  • the time resource occupied by the first signal may be an occasion for the first signal, or may be referred to as a first occasion.
  • the time resource occupied by the second signal may be an occasion for the second signal, or may be referred to as a second occasion.
  • the occasion discussed here may refer to a transmission occasion for the network device 110 and may refer to a monitoring occasion for the terminal device 120.
  • the first occasion and the second occasion may be associated with a paging occasion (PO) .
  • both the first occasion and the second occasion are located within a time duration (denoted as T) before the associated paging occasion.
  • the time interval between the time duration (such as the ending time point of the time duration) and the paging occasion (such as the starting time point of the paging occasion) is greater than a predefined gap. Detailed description may refer to FIG. 5A.
  • the first occasion is located within a first time duration (denoted as T1) before the associated paging occasion
  • the second occasion is located within a second time duration (denoted as T2) before the associated paging occasion.
  • the time interval between the first time duration (such as the ending time point of the first time duration) and the paging occasion (such as the starting time point of the paging occasion) is greater than a predefined gap
  • the time interval between the second time duration (such as the ending time point of the second time duration) and the paging occasion is greater than the predefined gap.
  • Detailed description may refer to FIG. 5B.
  • the predefined gap may be called as a transition gap and it may equal to multiple OFDM symbols or multiple milliseconds.
  • the first occasion and the second occasion may be not associated with a particular paging occasion.
  • the terminal device 120 may monitor paging occasions after waking up, for example until detects any paging information.
  • the terminal device 120 may monitor paging occasions after a predefined gap.
  • an occasion for the first signal may be associated with an occasion for the second signal. In some other example embodiments, an occasion for the first signal may be associated with multiple occasions for the second signals.
  • the second signal may be transmitted after the end of the first signal.
  • the second signal and the first signal may be continuous in the time domain.
  • the second signal may be transmitted immediately after the first signal.
  • the first signal and the second signal may be two sub-signals of a low power wake up signal.
  • the first signal includes a first sequence
  • the second signal includes a second sequence
  • the first sequence and the second sequence may be considered to be two sub-sequences of a long sequence.
  • the second signal and the first signal may not be continuous in the time domain. For example, there is a gap between the end of the first signal and the start of the second signal. In other words, there is a gap between the occasion for the first signal and the occasion for the second signal.
  • the gap may be known to the terminal device 120, for example, the gap may be a fixed value or may be preconfigured by the network device 110. In some other examples, the gap is unknown to the terminal device 120, in this case, the terminal device 120 may blind detect the second signal after the first signal is detected.
  • the first signal and the second signal may be configured independently. In some examples, there may be no explicit time domain relation between the occasion for the first signal and the occasion for the second signal. In this case, the terminal device 120 may monitor the first signal and the second signal simultaneously. For example, the terminal device 120 may use two parallel detectors to monitor the first signal and the second signal respectively. In some examples, the detector may be an energy detector or an envelope detector.
  • the terminal device 120 monitors 322 the first signal. And the terminal device 120 monitors 324 the second signal.
  • the terminal device 120 may monitor the first signal and the second signal in parallel.
  • the terminal device 120 may use two different detectors to monitor the first signal and the second signal respectively.
  • the terminal device 120 may monitor the first signal, and may determine that the first signal is detected. For example, the terminal device 120 may receive 334 the first signal 332. In some examples, the terminal device 120 may start monitoring the second signal after the first signal is detected.
  • the terminal device 120 may determine whether the first signal is detected. In some examples, the terminal device 120 may determine that the first signal is detected based on one or more of: an output of a detector of the first signal being greater or not less than a first threshold, a measurement result of the first signal being greater or not less than a second threshold, a number of successfully received first signals during a duration being greater or not less than a first threshold number, or a number of failed received first signals during the duration being less or not greater than a second threshold number.
  • any of the thresholds such as the first threshold, the second threshold, the first threshold number or the second threshold number, is predefined or is preconfigured by the network device 110 or is determined by the terminal device 120 based on its implementation, the present disclosure does not limit this aspect.
  • the measurement result may include one or more of: received signal strength, a received signal power, or a signal to interference plus noise ratio (SINR) .
  • the terminal device 120 may determine that the first signal is detected. For another specific example, if the times of miss-detection of the first signal is less than N12 during a specific time duration, the terminal device 120 may determine that the first signal is detected. For another specific example, if a first signal is successfully detected in the most recent occasion before a paging occasion, the terminal device 120 may determine that the first signal is detected. For another specific example, if the first signal is successfully detected in at least N21 occasions among the most recent N22 occasions before the paging occasion, the terminal device 120 may determine that the first signal is detected. It is understood that N11, N12, N21 and N22 are integers. It should be understood that although some examples are listed here, some other examples may be applied and the present disclosure does not limit this aspect.
  • the terminal device 120 may determine whether the second signal is detected. In some examples, the terminal device 120 may determine that the second signal is detected based on one or more of: an output of a detector of the second signal being greater or not less than a third threshold, a measurement result of the second signal being greater or not less than a fourth threshold, a number of successfully received second signals during a duration being greater or not less than a third threshold number, or a number of failed received second signals during the duration being less or not greater than a fourth threshold number.
  • any of the thresholds such as the third threshold, the fourth threshold, the third threshold number or the fourth threshold number, is predefined or is preconfigured by the network device 110 or is determined by the terminal device 120 based on its implementation, the present disclosure does not limit this aspect.
  • the third threshold may equal to the first threshold
  • the fourth threshold may equal to the second threshold
  • the third threshold number may equal to the first threshold number
  • the fourth threshold number may equal to the second threshold number.
  • the measurement result may include one or more of: received signal strength, a received signal power, or a signal to interference plus noise ratio (SINR) .
  • SINR signal to interference plus noise ratio
  • the successfully detection of the second signal is similar with that of the first signal, and thus the present disclose does not describe in detail
  • the first signal may include a first sequence and the first sequence may be generated based on a first bit sequence with an encoding operation.
  • the terminal device 120 may obtain a first decoded bit sequence of a first received signal, and determine whether the first decoded bit sequence is the same as the first bit sequence. The terminal device 120 may determine that the first signal is successfully detected if the first decoded bit sequence is the same as the first bit sequence.
  • the second signal may include a second sequence and the second sequence may be generated based on a second bit sequence with an encoding operation.
  • the terminal device 120 may obtain a second decoded bit sequence of a second received signal, and determine whether the second decoded bit sequence is the same as the second bit sequence. The terminal device 120 may determine that the second signal is successfully detected if the second decoded bit sequence is the same as the second bit sequence.
  • the time domain relation of the first signal and the second signal is known to the terminal device 120.
  • the terminal device 120 may determine the occasion for the second signal based on the occasion for the detected first signal, and the terminal device 120 may monitor the second signal in the occasion for the second signal.
  • the second signal and the first signal are continuous at the time domain.
  • the time domain relation of the first signal and the second signal is unknown to the terminal device 120.
  • the terminal device 120 may blind detect the second signal after the first signal is detected.
  • the terminal device 120 may determine the further behavior based on the monitoring results.
  • the terminal device 120 may wake up from the low power mode. For example, the terminal device 120 may receive 334 the first signal and receive 344 the second signal 342.
  • the terminal device 120 may stay in the low power mode, that is, not wake up from the low power mode. For example, the terminal device 120 may receive 334 the first signal, but not receive a second signal.
  • the first signal may be used to determine whether a miss-detection of the second signal is occurred. If the first signal is detected, it implies that the channel quality is good and the terminal device 120 may determine that there is no miss-detection of the second signal. In this case, if the second signal is not detected, the terminal device 120 may determine that the second signal is not transmitted by the network device 110, and thus the terminal device 120 will not wake up.
  • the terminal device 120 may wake up from the low power mode, and may further perform one or more of: starting a measurement on the first signal, starting a reselection of the second signal, transmitting a miss detection report of the first signal to the network device, or transmitting a measurement result report of the first signal to the network device.
  • the terminal device 120 may determine a miss-detection of the first signal is occurred. In this case, the terminal device 120 may determine the channel condition is not good enough. Thus, the terminal device 120 may perform one or more of additional operations after waking up.
  • the terminal device 120 may wake up from the low power mode or the terminal device 120 may stay in the low power mode (i.e., not wake up) .
  • the terminal device 120 may determine configuration information from the network device 110. If the configuration information indicates a first value, the terminal device 120 may determine to wake up from the low power mode. If the configuration information indicates a second value or if the configuration information is absent (i.e., not configured by the network device 110) , the terminal device 120 may determine to stay in the low power mode (i.e., not wake up) .
  • the network device 110 may transmit configuration information to the terminal device 120, where the configuration information may indicate a first value or a second value.
  • the first signal if not transmitted is no second signal is needed to transmit. In this case, the network device 110 may configure that the configuration information indicated the second value.
  • the configuration information may be carried in an RRC message, for example, the configuration information may be carried in a field of an RRC information element (IE) .
  • the configuration information may be called as high layer information.
  • the configuration information may be carried in a medium access control (MAC) control element (CE) , such as in a field of a MAC CE.
  • MAC medium access control
  • CE control element
  • the configuration information may be absent.
  • the network device 110 does not transmit any configuration information to the terminal device 120.
  • the terminal device 120 may determine that the configuration information is absent, and may stay in the low power mode if the first signal is not detected and the second signal is not detected either.
  • the term “wake up” in the present disclosure may mean at least one of the following behaviors: switching on a main radio, switching off a low power radio, stopping monitoring the second signal, monitoring at least one paging occasion, performing a measurement, updating a configuration of the second signal, performing an initial access procedure, or performing a cell reselection procedure.
  • the terminal device 120 may switch off the low power radio and switch on the main radio. For example, the terminal device 120 may stop monitor the first signal and the second signal and start monitoring a paging occasion. For example, the terminal device 120 may change the current configuration of the second signal, for example, multiple different configurations of the second signal may be pre-stored at the terminal device 120, and the terminal device 120 may choose another configuration different from the current configuration to update the configuration of the second signal. For example, the terminal device 120 may use another configuration to perform a low power wake up signal reselection. It should be understood that although some examples are listed here, some other examples may be applied and the present disclosure does not limit this aspect.
  • the detected second signal may be one of multiple signals, and the multiple signals are corresponding to multiple behaviors.
  • the terminal device 120 may be configured to monitor at most one signal from the multiple signals. In this case, the terminal device 120 may determine the behavior corresponding to the second signal and may further perform the determined behavior. In some other embodiments, the terminal device 120 may be configured to monitor one or more signals from the multiple signals. In this case, one or more signals in the multiple signals may be detected, and the terminal device 120 may perform one or more behaviors corresponding to the one or more signals.
  • two signals may be used for indicating the terminal device 120 whether to wake up.
  • the first signal may be used for the terminal device 120 to determine whether the second signal is miss-detected.
  • the second signal may be used for the terminal device 120 to determine whether the terminal device 120 should wake up or not.
  • the network device 110 may always transmit the first signal for a specific paging occasion, but only transmit the second signal if the terminal device associated with the second signal is intended to be paged.
  • the network device 110 may transmit (1+M) signals for a paging occasion, where the 1 signal refers to the first signals and the M signals refers to M second signals.
  • the terminal device 120 may determine whether a miss-detection of the second signal is happened based on the first signal, and thus a wrong determination on whether to wake up may be avoided.
  • the first signal may be cell-specific, thus the first signal may be shared among all terminal devices in the cell of the network device 110.
  • the terminal device 120 may assume that the first signal is always transmitted by the network device 110 before a paging occasion, and may further assume that the second signal is only transmitted if the terminal device 120 belongs to a group including a terminal device intended to be woke up. Since the second signal is UE group-specific, there is no need for the terminal device 120 to wake up frequently with no effective paging information, and thus the power consumption at the terminal device 120 may be saved.
  • FIG. 4A illustrates a schematic diagram 410 of the time resources of the first signal and the second signal according to some embodiments of the present disclosure.
  • an occasion for the second signal 402-1 is immediately following an occasion for the first signal 401-1
  • an occasion for the second signal 402-2 is immediately following an occasion for the first signal 401-2.
  • the first signal and the second signal are contiguous at the time domain.
  • the terminal device 120 may start monitoring the second signal upon the first signal is successfully detected.
  • the terminal device 120 may wake up, for example, the terminal device 120 may monitor the paging occasion 403.
  • the first signal and the second signal may be combined as a low power wake up signal (LP-WUS) .
  • the first signal is a part of the LP-WUS
  • the second signal is another part of the LP-WUS.
  • the LP-WUS includes a sequence
  • the first signal includes a sub-sequence of the sequence
  • the second signal includes another sub-sequence of the sequence.
  • FIG. 4B illustrates a schematic diagram 420 of the time resources of the first signal and the second signal according to some embodiments of the present disclosure.
  • an occasion for the second signal 402-1 is after an occasion for the first signal 401-1 and there is gap there between
  • an occasion for the second signal 402-2 is after an occasion for the first signal 401-2 and there is gap there between.
  • the gap may be a predefined fixed value or the gap may be pre-configured by the network device 110. In some examples, the gap is known to the terminal device 120, and the terminal device 120 may monitor the second signal after the gap upon the first signal is successfully detected.
  • the gap is unknown to the terminal device 120, and the terminal device 120 may blind detect the second signal after the first signal is successfully detected.
  • the first signal and the second signal may be two associated low power wake up signals.
  • an occasion for the second signal may be associated with an occasion for the first signal.
  • FIG. 4C illustrates a schematic diagram 430 of the time resources of the first signal and the second signal according to some embodiments of the present disclosure.
  • an occasion for the first signal may be associated with multiple occasions for the second signal.
  • multiples occasions 402-1 to 402-3 for the second signal is associated with an occasion 401-1 for the first signal.
  • FIG. 5A illustrates some example schematic diagram 510 of time durations of the first signal and the second signal according to some embodiments of the present disclosure.
  • the occasion for the first signal (401-1, 401-2) and the occasion for the second signal (402-1, 402-2) are within the time duration T, and the time interval between the time duration T (such as the ending time point of the time duration T) and the paging occasion 403 (such as the starting time point of the paging occasion 403) is greater than (or not less than) a predefined gap ⁇ .
  • FIG. 5B illustrates some example schematic diagram 520 of time durations of the first signal and the second signal according to some embodiments of the present disclosure.
  • the occasion for the first signal (401-1, 401-2) is within a first time duration T1
  • the occasion for the second signal (402-1, 402-2) is within a second time duration T2.
  • the time interval between the first time duration T1 (such as the ending time point of the time duration T1) and the paging occasion 403 (such as the starting time point of the paging occasion 403) is greater than (or not less than) a predefined gap ⁇
  • the time interval between the second time duration T2 (such as the ending time point of the time duration T2) and the paging occasion 403 (such as the starting time point of the paging occasion 403) is greater than (or not less than) a predefined gap ⁇ .
  • the first signal may be a synchronization signal, such as a low power synchronization signal.
  • FIG. 6 illustrates a schematic diagram 600 of multiple candidate signals including the second signal according to some embodiments of the present disclosure.
  • the network device 110 may configure multiple candidate signals for the second signal.
  • the multiple candidate signals may be associated with the first signal.
  • the multiple candidate signals may be associated with a paging occasion.
  • the multiple candidate signals may be generated based on different group IDs.
  • the multiple occasions for the multiple candidate signals may be within a time duration before the associated paging occasion. As shown in FIG. 6, the time duration is denoted as T.
  • the network device 110 may transmit the first signal, and transmit the second signal which is from the multiple candidate signals.
  • the network device 110 may transmit the first signal and at least one candidate signal.
  • the network device 110 may transmit the first signal, without transmitting the second signal, i.e., without transmitting any of the multiple candidate signals.
  • the network device 110 may not transmit either the first signal or any of the multiple candidate signals.
  • the configuration information may indicate a second value or the configuration information is absent.
  • the terminal device 120 may stay in the low power mode if either the first signal or the second signal is detected.
  • FIG. 7 illustrates a schematic diagram 700 of multiple occasions for a wake up signal according to some embodiments of the present disclosure.
  • the network device 110 may configure a low power wake up signal for waking up from a low power mode.
  • the low power wake up signal may include at least one sequence, such as m-sequence.
  • the network device 110 may configure multiple occasions for the low power wake up signal, and the multiple occasions are associated with a paging occasion.
  • the network device 110 may transmit the low power wake up signal at each of the multiple occasions. In other words, the network device 110 may transmit the signal repeatedly at the multiple occasions.
  • the terminal device 120 may monitor the low power wake up signal at each of the multiple occasions. In some examples, the terminal device 120 may determine whether the low power wake up signal is detected by combining the received signals at the multiple occasions. In some examples, the terminal device 120 may wake up from the low power mode if the low power wake up signal is detected based on the combination of the received signals. In some examples, the terminal device 120 may determine to not wake up from the low power mode (i.e., stay in the low power mode) if the low power wake up signal is not detected based on the combination of the received signals.
  • the network device 110 may transmit the low power wake up signal at least one of the multiple occasions. For example, the network device 110 may transmit the low power wake up signal at a subset of the multiple occasions. In some examples, the network device 110 may determine the subset, such as based on the network implementation.
  • the terminal device 120 may monitor the low power wake up signal at each of the multiple occasions individually. For example, the terminal device 120 may monitor all the occasions until the low power wake up signal is successfully detected at one of the multiple occasions. For example, the terminal device 120 may monitor all the occasions until the last occasion is passed and the low power wake up signal is not detected. In some examples, the terminal device 120 may wake up from the low power mode if the low power wake up signal is detected at one of the multiple occasions. In some examples, the terminal device 120 may determine to not wake up from the low power mode (i.e., stay in the low power mode) if the low power wake up signal is not detected at each of the multiple occasions.
  • multiple occasions for the low power wake up signal may be configured, and the terminal device may monitor the multiple occasions to detect the low power wake up signal.
  • a probability of miss detection may be reduced, and the communication efficiency may be enhanced.
  • FIG. 8 illustrates a flowchart of an example method 800 implemented at a terminal device in accordance with some embodiments of the present disclosure. For the purpose of discussion, the method 800 will be described from the perspective of the terminal device 120 with reference to FIG. 1.
  • the terminal device 120 in a low power mode monitors a first signal from the network device 110.
  • the terminal device 120 monitors a second signal from the network device 110, the second signal is at least a part of a low power wake up signal.
  • the terminal device 120 wakes up from the low power mode.
  • the terminal device 120 stays in the low power mode.
  • the terminal device 120 wakes up from the low power mode; and performs one or more of: starting a measurement on the first signal, starting a reselection of the second signal, transmitting a miss detection report of the first signal to the network device, or transmitting a measurement result report of the first signal to the network device.
  • the terminal device 120 monitors the second signal.
  • the terminal device 120 determines configuration information from the network device 110. If the configuration information indicates a first value, the terminal device 120 wakes up from the low power mode. If the configuration information is absent or the configuration information indicates a second value, the terminal device 120 stays in the low power mode.
  • the terminal device 120 determines that the first signal is detected based on one or more of: an output of a detector of the first signal being greater or not less than a first threshold, a measurement result of the first signal being greater or not less than a second threshold, a number of successfully received first signals during a duration being greater or not less than a first threshold number, or a number of failed received first signals during the duration being less or not greater than a second threshold number.
  • the measurement result comprises at least one of: received signal strength, received signal power, or signal to interference plus noise ratio (SINR) .
  • SINR signal to interference plus noise ratio
  • an occasion for the first signal and/or an occasion for the second signal is associated with a paging occasion.
  • the occasion for the first signal is located within a first time period before the paging occasion. In some example embodiments, the occasion for the second signal is located within a second time period before the paging occasion.
  • a time interval between the occasion for the first signal and the paging occasion is greater than a predefined gap. In some example embodiments, a time interval between the occasion for the second signal and the paging occasion is greater than the predefined gap.
  • an occasion for the second signal and an occasion for the first signal are continuous at the time domain.
  • the gap is a fixed value or is preconfigured by the network device.
  • the gap is unknown to the terminal device 120, and the terminal device 120 may blink monitor the second signal if the first signal is detected.
  • the terminal device 120 wakes up from the low power mode means the terminal device 120 performs at least one of a plurality of behaviors: switching on a main radio, switching off a low power radio, stopping monitoring the second signal, monitoring at least one paging occasion, performing a measurement, updating a configuration of the second signal, performing an initial access procedure, or performing a cell reselection procedure.
  • the second signal is one of a plurality of signals corresponding to the plurality of behaviors.
  • the first signal is associated with a first identifier (ID) being based on at least one of: an ID of a cell of the network device, an ID of a cell group of the network device, an ID of a public land mobile network of the network device, position information of a paging occasion following the first signal, a tracking area ID associated with the network device, a tracking area code associated with the network device, or an indication provided by the network device for indicating the first signal.
  • ID a first identifier
  • the second signal is associated with a second ID being based on at least one of: an ID of the terminal device, an ID of a group to which the terminal device belongs, a paging probability, or an indication provided by the network device for indicating the second signal.
  • the second signal is one of a plurality of candidate signals associated with the first signal.
  • the first signal is used for synchronization.
  • FIG. 9 illustrates a flowchart of an example method 900 implemented at a network device in accordance with some embodiments of the present disclosure.
  • the method 900 will be described from the perspective of the network device 110 with reference to FIG. 1.
  • the network device 110 generates a first signal for a plurality of terminal devices in a low power mode.
  • the network device 110 determines whether to wake up one of the plurality of terminal devices.
  • the network device 110 generates a second signal for the one of the plurality of terminal devices if the one of the plurality of terminal devices is needed to wake up, where the second signal is a low power wake up signal.
  • the network device 110 transmits the first signal to the plurality of terminal devices.
  • the network device 110 transmits the second signal to the one of the plurality of terminal devices.
  • the network device 110 generates the first signal for the plurality of terminal devices if the one of the plurality of terminal devices is needed to wake up.
  • the network device 110 receives, from the one of the plurality of terminal devices, at least one of: a miss detection report of the first signal, or a measurement result report of the first signal.
  • an occasion for the first signal and/or an occasion for the second signal is associated with a paging occasion.
  • the occasion for the first signal is located within a first time period before the paging occasion. In some example embodiments, the occasion for the second signal is located within a second time period before the paging occasion.
  • a time interval between the occasion for the first signal and the paging occasion is greater than a predefined gap. In some example embodiments, a time interval between the occasion for the second signal and the paging occasion is greater than the predefined gap.
  • an occasion for the second signal and an occasion for the first signal are continuous at the time domain.
  • the network device 110 transmits an indication of the gap to the one of the plurality of terminal devices.
  • the second signal is one of a plurality of signals corresponding to a plurality of behaviors
  • the plurality of behaviors comprise: switching on a main radio, switching off a low power radio, stopping monitoring the second signal, monitoring at least one paging occasion, performing a measurement, updating a configuration of the second signal, performing an initial access procedure, or performing a cell reselection.
  • the first signal is associated with a first identifier (ID) being based on at least one of: an ID of a cell of the network device, an ID of a cell group of the network device, an ID of a public land mobile network of the network device, position information of a paging occasion following the first signal, a tracking area ID associated with the network device, a tracking area code associated with the network device, or an indication provided by the network device for indicating the first signal.
  • ID a first identifier
  • the second signal is associated with a second ID being based on at least one of: an ID of the one of the plurality of terminal devices, an ID of a group to which the one of the plurality of terminal devices belongs, a paging probability, or an indication provided by the network device for indicating the second signal.
  • the second signal is one of a plurality of candidate signals associated with the first signal.
  • the first signal is used for synchronization.
  • FIGS. 1-9 Details of some embodiments according to the present disclosure have been described with reference to FIGS. 1-9. Now an example implementation of the terminal device and the network device will be discussed below.
  • a terminal device comprises circuitry configured to:monitor a first signal from a network device; monitor a second signal from the network device, the second signal is at least a part of a low power wake up signal; if the first signal is detected and the second signal is detected, wake up from the low power mode; or if the first signal is detected and the second signal is not detected, stay in the low power mode.
  • the terminal device comprises circuitry configured to:if the first signal is not detected and the second signal is detected, wake up from the low power mode; and performs one or more of: starting a measurement on the first signal, starting a reselection of the second signal, transmitting a miss detection report of the first signal to the network device, or transmitting a measurement result report of the first signal to the network device.
  • the terminal device comprises circuitry configured to:if the first signal is detected, monitor the second signal.
  • the terminal device comprises circuitry configured to: if the first signal is not detected and the second signal is not detected, determine configuration information from the network device 110; if the configuration information indicates a first value, wake up from the low power mode; and if the configuration information is absent or the configuration information indicates a second value, stay in the low power mode.
  • the terminal device comprises circuitry configured to: determine that the first signal is detected based on one or more of: an output of a detector of the first signal being greater or not less than a first threshold, a measurement result of the first signal being greater or not less than a second threshold, a number of successfully received first signals during a duration being greater or not less than a first threshold number, or a number of failed received first signals during the duration being less or not greater than a second threshold number.
  • the measurement result comprises at least one of: received signal strength, received signal power, or signal to interference plus noise ratio (SINR) .
  • SINR signal to interference plus noise ratio
  • an occasion for the first signal and/or an occasion for the second signal is associated with a paging occasion.
  • the occasion for the first signal is located within a first time period before the paging occasion. In some example embodiments, the occasion for the second signal is located within a second time period before the paging occasion.
  • a time interval between the occasion for the first signal and the paging occasion is greater than a predefined gap. In some example embodiments, a time interval between the occasion for the second signal and the paging occasion is greater than the predefined gap.
  • an occasion for the second signal and an occasion for the first signal are continuous at the time domain.
  • the gap is a fixed value or is preconfigured by the network device.
  • the gap is unknown to the terminal device, and the terminal device comprises circuitry configured to: blink monitor the second signal if the first signal is detected.
  • the terminal device comprises circuitry configured to: wake up from the low power mode by performing at least one of a plurality of behaviors: switching on a main radio, switching off a low power radio, stopping monitoring the second signal, monitoring at least one paging occasion, performing a measurement, updating a configuration of the second signal, performing an initial access procedure, or performing a cell reselection procedure.
  • the second signal is one of a plurality of signals corresponding to the plurality of behaviors.
  • the first signal is associated with a first identifier (ID) being based on at least one of: an ID of a cell of the network device, an ID of a cell group of the network device, an ID of a public land mobile network of the network device, position information of a paging occasion following the first signal, a tracking area ID associated with the network device, a tracking area code associated with the network device, or an indication provided by the network device for indicating the first signal.
  • ID a first identifier
  • the second signal is associated with a second ID being based on at least one of: an ID of the terminal device, an ID of a group to which the terminal device belongs, a paging probability, or an indication provided by the network device for indicating the second signal.
  • the second signal is one of a plurality of candidate signals associated with the first signal.
  • the first signal is used for synchronization.
  • a network device comprises circuitry configured to: generate a first signal for a plurality of terminal devices in a low power mode; determine whether to wake up one of the plurality of terminal devices; generate a second signal for the one of the plurality of terminal devices if the one of the plurality of terminal devices is needed to wake up, where the second signal is a low power wake up signal; transmit the first signal to the plurality of terminal devices; and transmit the second signal to the one of the plurality of terminal devices.
  • the network device comprises circuitry configured to: generate the first signal for the plurality of terminal devices if the one of the plurality of terminal devices is needed to wake up.
  • the network device comprises circuitry configured to: receive, from the one of the plurality of terminal devices, at least one of: a miss detection report of the first signal, or a measurement result report of the first signal.
  • an occasion for the first signal and/or an occasion for the second signal is associated with a paging occasion.
  • the occasion for the first signal is located within a first time period before the paging occasion. In some example embodiments, the occasion for the second signal is located within a second time period before the paging occasion.
  • a time interval between the occasion for the first signal and the paging occasion is greater than a predefined gap. In some example embodiments, a time interval between the occasion for the second signal and the paging occasion is greater than the predefined gap.
  • an occasion for the second signal and an occasion for the first signal are continuous at the time domain.
  • the network device comprises circuitry configured to: transmit an indication of the gap to the one of the plurality of terminal devices.
  • the second signal is one of a plurality of signals corresponding to a plurality of behaviors
  • the plurality of behaviors comprise: switching on a main radio, switching off a low power radio, stopping monitoring the second signal, monitoring at least one paging occasion, performing a measurement, updating a configuration of the second signal, performing an initial access procedure, or performing a cell reselection.
  • the first signal is associated with a first identifier (ID) being based on at least one of: an ID of a cell of the network device, an ID of a cell group of the network device, an ID of a public land mobile network of the network device, position information of a paging occasion following the first signal, a tracking area ID associated with the network device, a tracking area code associated with the network device, or an indication provided by the network device for indicating the first signal.
  • ID a first identifier
  • the second signal is associated with a second ID being based on at least one of: an ID of the one of the plurality of terminal devices, an ID of a group to which the one of the plurality of terminal devices belongs, a paging probability, or an indication provided by the network device for indicating the second signal.
  • the second signal is one of a plurality of candidate signals associated with the first signal.
  • the first signal is used for synchronization.
  • FIG. 10 illustrates a simplified block diagram of a device 1000 that is suitable for implementing embodiments of the present disclosure.
  • the device 1000 can be considered as a further example implementation of the terminal device 120, and the network device 110 as shown in FIG. 1. Accordingly, the device 1000 can be implemented at or as at least a part of the terminal device 120, or the network device 110.
  • the device 1000 includes a processor 1010, a memory 1020 coupled to the processor 1010, a suitable transmitter (TX) and receiver (RX) 1040 coupled to the processor 1010, and a communication interface coupled to the TX/RX 1040.
  • the memory 1010 stores at least a part of a program 1030.
  • the TX/RX 1040 is for bidirectional communications.
  • the TX/RX 1040 has at least one antenna to facilitate communication, though in practice an Access Node mentioned in this disclosure may have several ones.
  • the communication interface may represent any interface that is necessary for communication with other network elements, such as X2 interface for bidirectional communications between eNBs, S1 interface for communication between a Mobility Management Entity (MME) /Serving Gateway (S-GW) and the eNB, Un interface for communication between the eNB and a relay node (RN) , or Uu interface for communication between the eNB and a terminal device.
  • MME Mobility Management Entity
  • S-GW Serving Gateway
  • Un interface for communication between the eNB and a relay node (RN)
  • Uu interface for communication between the eNB and a terminal device.
  • the program 1030 is assumed to include program instructions that, when executed by the associated processor 1010, enable the device 1000 to operate in accordance with the embodiments of the present disclosure, as discussed herein with reference to FIGS. 2-10.
  • the embodiments herein may be implemented by computer software executable by the processor 1010 of the device 1000, or by hardware, or by a combination of software and hardware.
  • the processor 1010 may be configured to implement various embodiments of the present disclosure.
  • a combination of the processor 1010 and memory 1020 may form processing means 1050 adapted to implement various embodiments of the present disclosure.
  • the memory 1020 may be of any type suitable to the local technical network and may be implemented using any suitable data storage technology, such as a non-transitory computer readable storage medium, semiconductor-based memory devices, magnetic memory devices and systems, optical memory devices and systems, fixed memory and removable memory, as non-limiting examples. While only one memory 1020 is shown in the device 1000, there may be several physically distinct memory modules in the device 1000.
  • the processor 1010 may be of any type suitable to the local technical network, and may include one or more of general purpose computers, special purpose computers, microprocessors, digital signal processors (DSPs) and processors based on multicore processor architecture, as non-limiting examples.
  • the device 1000 may have multiple processors, such as an application specific integrated circuit chip that is slaved in time to a clock which synchronizes the main processor.
  • embodiments of the present disclosure may provide the following solutions.
  • the present disclosure provides a method of communication, comprises: monitoring, at a terminal device in a low power mode, a first signal from a network device; monitoring a second signal from the network device, the second signal being at least a part of a low power wake up signal; in accordance with a determination that the first signal is detected and the second signal is detected, waking up from the low power mode; or in accordance with a determination that the first signal is detected and the second signal is not detected, staying in the low power mode.
  • the method as above further comprises: in accordance with a determination that the first signal is not detected and the second signal is detected, waking up from the low power mode; and performing at least one of: starting a measurement on the first signal, starting a reselection of the second signal, transmitting a miss detection report of the first signal to the network device, or transmitting a measurement result report of the first signal to the network device.
  • monitoring the second signal comprises: in accordance with a determination that the first signal is detected, monitoring the second signal.
  • the method as above further comprises: in accordance with a determination that the first signal is not detected and the second signal is not detected, determining configuration information from the network device; in accordance with a determination that the configuration information indicates a first value, waking up from the low power mode; and in accordance with a determination that the configuration information is absent or the configuration information indicates a second value, staying in the low power mode.
  • the method as above further comprises: determining that the first signal is detected based on at least one of: an output of a detector of the first signal being greater or not less than a first threshold, a measurement result of the first signal being greater or not less than a second threshold, a number of successfully received first signals during a duration being greater or not less than a first threshold number, or a number of failed received first signals during the duration being less or not greater than a second threshold number.
  • the method as above, wherein the measurement result comprises at least one of: received signal strength, received signal power, or signal to interference plus noise ratio (SINR) .
  • SINR signal to interference plus noise ratio
  • the method as above wherein at least one of an occasion for the first signal or an occasion for the second signal is associated with a paging occasion.
  • the method as above wherein the occasion for the first signal is located within a first time period before the paging occasion, or, the occasion for the second signal is located within a second time period before the paging occasion.
  • a time interval between the occasion for the first signal and the paging occasion is greater than a predefined gap, or, a time interval between the occasion for the second signal and the paging occasion is greater than the predefined gap.
  • an occasion for the second signal and an occasion for the first signal are continuous at a time domain.
  • the method as above wherein there is a gap between an occasion for the first signal and an occasion for the second signal.
  • the method as above wherein the gap is a fixed value or is preconfigured by the network device.
  • monitoring the second signal comprises: in accordance with a determination that the first signal is detected, blind monitoring the second signal.
  • the method as above, where waking up from the low power mode comprises at least one of a plurality of behaviors: switching on a main radio, switching off a low power radio, stopping monitoring the second signal, monitoring at least one paging occasion, performing a measurement, updating a configuration of the second signal, performing an initial access procedure, or performing a cell reselection procedure.
  • the method as above wherein the second signal is one of a plurality of signals corresponding to the plurality of behaviors.
  • the method as above wherein the first signal is associated with a first identifier (ID) being based on at least one of: an ID of a cell of the network device, an ID of a cell group of the network device, an ID of a public land mobile network of the network device, position information of a paging occasion following the first signal, a tracking area ID associated with the network device, a tracking area code associated with the network device, or an indication provided by the network device for indicating the first signal.
  • ID identifier
  • the method as above, wherein the second signal is associated with a second ID being based on at least one of: an ID of the terminal device, an ID of a group to which the terminal device belongs, a paging probability, or an indication provided by the network device for indicating the second signal.
  • the method as above wherein the second signal is one of a plurality of candidate signals associated with the first signal.
  • the method as above wherein the first signal is used for synchronization.
  • the present disclosure provides a method of communication, comprises: generating, at a network device, a first signal for a plurality of terminal devices in a low power mode; determining whether to wake up one of the plurality of terminal devices; in accordance with a determination that the one of the plurality of terminal devices is needed to wake up, generating a second signal for the one of the plurality of terminal devices, the second signal being a low power wake up signal; transmitting the first signal to the plurality of terminal devices; and transmitting the second signal to the one of the plurality of terminal devices.
  • generating a first signal comprises: generating the first signal for the plurality of terminal devices in accordance with a determination that the one of the plurality of terminal devices is needed to wake up
  • the method as above further comprises: receiving, from the one of the plurality of terminal devices, at least one of: a miss detection report of the first signal, or a measurement result report of the first signal.
  • the method as above wherein at least one of an occasion for the first signal or an occasion for the second signal is associated with a paging occasion.
  • the method as above wherein the occasion for the first signal is located within a first time period before the paging occasion, or, the occasion for the second signal is located within a second time period before the paging occasion.
  • a time interval between the occasion for the first signal and the paging occasion is greater than a predefined gap, or, a time interval between the occasion for the second signal and the paging occasion is greater than the predefined gap.
  • the method as above wherein there is a gap between an occasion for the first signal and an occasion for the second signal.
  • the method as above further comprises: transmitting an indication of the gap to the one of the plurality of terminal devices.
  • the method as above wherein the second signal is one of a plurality of signals corresponding to a plurality of behaviors
  • the plurality of behaviors comprise: switching on a main radio, switching off a low power radio, stopping monitoring the second signal, monitoring at least one paging occasion, performing a measurement, updating a configuration of the second signal, performing an initial access procedure, or performing a cell reselection.
  • the method as above wherein the first signal is associated with a first identifier (ID) being based on at least one of: an ID of a cell of the network device, an ID of a cell group of the network device, an ID of a public land mobile network of the network device, position information of a paging occasion following the first signal, a tracking area ID associated with the network device, a tracking area code associated with the network device, or an indication provided by the network device for indicating the first signal.
  • ID identifier
  • the method as above, wherein the second signal is associated with a second ID being based on at least one of: an ID of the one of the plurality of terminal devices, an ID of a group to which the one of the plurality of terminal devices belongs, a paging probability, or an indication provided by the network device for indicating the second signal.
  • the method as above wherein the second signal is one of a plurality of candidate signals associated with the first signal.
  • the method as above wherein the first signal is used for synchronization.
  • the present disclosure provides a terminal device, comprising: a processor; and a memory storing computer program codes; the memory and the computer program codes configured to, with the processor, cause the terminal device to perform the method implemented at the terminal device discussed above.
  • the present disclosure provides a network device, comprising: a processor; and a memory storing computer program codes; the memory and the computer program codes configured to, with the processor, cause the network device to perform the method implemented at the network device discussed above.
  • the present disclosure provides a computer readable medium having instructions stored thereon, the instructions, when executed by a processor of an apparatus, causing the apparatus to perform the method implemented at a terminal device or a network device discussed above.
  • various embodiments of the present disclosure may be implemented in hardware or special purpose circuits, software, logic or any combination thereof. Some aspects may be implemented in hardware, while other aspects may be implemented in firmware or software which may be executed by a controller, microprocessor or other computing device. While various aspects of embodiments of the present disclosure are illustrated and described as block diagrams, flowcharts, or using some other pictorial representation, it will be appreciated that the blocks, apparatus, systems, techniques or methods described herein may be implemented in, as non-limiting examples, hardware, software, firmware, special purpose circuits or logic, general purpose hardware or controller or other computing devices, or some combination thereof.
  • the present disclosure also provides at least one computer program product tangibly stored on a non-transitory computer readable storage medium.
  • the computer program product includes computer-executable instructions, such as those included in program modules, being executed in a device on a target real or virtual processor, to carry out the process or method as described above with reference to FIGS. 2-9.
  • program modules include routines, programs, libraries, objects, classes, components, data structures, or the like that perform particular tasks or implement particular abstract data types.
  • the functionality of the program modules may be combined or split between program modules as desired in various embodiments.
  • Machine-executable instructions for program modules may be executed within a local or distributed device. In a distributed device, program modules may be located in both local and remote storage media.
  • Program code for carrying out methods of the present disclosure may be written in any combination of one or more programming languages. These program codes may be provided to a processor or controller of a general purpose computer, special purpose computer, or other programmable data processing apparatus, such that the program codes, when executed by the processor or controller, cause the functions/operations specified in the flowcharts and/or block diagrams to be implemented.
  • the program code may execute entirely on a machine, partly on the machine, as a stand-alone software package, partly on the machine and partly on a remote machine or entirely on the remote machine or server.
  • the above program code may be embodied on a machine readable medium, which may be any tangible medium that may contain, or store a program for use by or in connection with an instruction execution system, apparatus, or device.
  • the machine readable medium may be a machine readable signal medium or a machine readable storage medium.
  • a machine readable medium may include but not limited to an electronic, magnetic, optical, electromagnetic, infrared, or semiconductor system, apparatus, or device, or any suitable combination of the foregoing.
  • machine readable storage medium More specific examples of the machine readable storage medium would include an electrical connection having one or more wires, a portable computer diskette, a hard disk, a random access memory (RAM) , a read-only memory (ROM) , an erasable programmable read-only memory (EPROM or Flash memory) , an optical fiber, a portable compact disc read-only memory (CD-ROM) , an optical storage device, a magnetic storage device, or any suitable combination of the foregoing.
  • RAM random access memory
  • ROM read-only memory
  • EPROM or Flash memory erasable programmable read-only memory
  • CD-ROM portable compact disc read-only memory
  • magnetic storage device or any suitable combination of the foregoing.

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

Abstract

Selon des modes de réalisation donnés à titre d'exemple, la présente invention concerne des procédés, des dispositifs et un support de stockage informatique pour une communication. Un dispositif de terminal dans un mode de faible puissance surveille un premier signal provenant d'un dispositif de réseau ; surveille un second signal provenant du dispositif de réseau, le second signal étant au moins une partie d'un signal de réveil de faible puissance ; conformément à une détermination selon laquelle le premier signal est détecté et que le second signal est détecté, se réveille à partir du mode de faible puissance ; ou conformément à une détermination selon laquelle le premier signal est détecté et que le second signal n'est pas détecté, reste dans le mode de faible puissance. Ainsi, deux signaux sont utilisés par le dispositif de terminal pour déterminer s'il y a lieu ou non de se réveiller. En particulier, le dispositif de terminal peut déterminer si une détection manquée du second signal s'est ou non produite sur la base du premier signal, et ainsi une mauvaise détermination du point de savoir s'il faut ou non se réveiller peut être évitée.
PCT/CN2022/114311 2022-08-23 2022-08-23 Procédés, dispositifs et support pour une communication WO2024040441A1 (fr)

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Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20090043737A1 (en) * 2007-08-09 2009-02-12 Andrew Boath Faris Systems and methods for providing a multi-function search box for creating word pages
US20180098287A1 (en) * 2014-11-04 2018-04-05 Qualcomm Incorporated Discontinuous reception mode with two-stage wake-up
CN111885682A (zh) * 2019-05-03 2020-11-03 华为技术有限公司 唤醒终端设备的方法、装置、网络设备和终端设备
CN112789901A (zh) * 2018-10-05 2021-05-11 高通股份有限公司 唤醒信令资源时机

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20090043737A1 (en) * 2007-08-09 2009-02-12 Andrew Boath Faris Systems and methods for providing a multi-function search box for creating word pages
US20180098287A1 (en) * 2014-11-04 2018-04-05 Qualcomm Incorporated Discontinuous reception mode with two-stage wake-up
CN112789901A (zh) * 2018-10-05 2021-05-11 高通股份有限公司 唤醒信令资源时机
CN111885682A (zh) * 2019-05-03 2020-11-03 华为技术有限公司 唤醒终端设备的方法、装置、网络设备和终端设备

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