EP4537592A1 - Verfahren und vorrichtung und zur unterstützung von netzwerkenergieeinsparung in einem drahtlosen kommunikationssystem - Google Patents

Verfahren und vorrichtung und zur unterstützung von netzwerkenergieeinsparung in einem drahtlosen kommunikationssystem

Info

Publication number
EP4537592A1
EP4537592A1 EP23850460.9A EP23850460A EP4537592A1 EP 4537592 A1 EP4537592 A1 EP 4537592A1 EP 23850460 A EP23850460 A EP 23850460A EP 4537592 A1 EP4537592 A1 EP 4537592A1
Authority
EP
European Patent Office
Prior art keywords
configuration
energy saving
node
message
ssb
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
EP23850460.9A
Other languages
English (en)
French (fr)
Other versions
EP4537592A4 (de
Inventor
Yanru Wang
Lixiang Xu
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Samsung Electronics Co Ltd
Original Assignee
Samsung Electronics Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Samsung Electronics Co Ltd filed Critical Samsung Electronics Co Ltd
Publication of EP4537592A1 publication Critical patent/EP4537592A1/de
Publication of EP4537592A4 publication Critical patent/EP4537592A4/de
Pending legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. Transmission Power Control [TPC] or power classes
    • H04W52/02—Power saving arrangements
    • H04W52/0203—Power saving arrangements in the radio access network or backbone network of wireless communication networks
    • H04W52/0206—Power saving arrangements in the radio access network or backbone network of wireless communication networks in access points, e.g. base stations
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J11/00—Orthogonal multiplex systems, e.g. using WALSH codes
    • H04J11/0069—Cell search, i.e. determining cell identity [cell-ID]
    • H04J11/0073—Acquisition of primary synchronisation channel, e.g. detection of cell-ID within cell-ID group
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. Transmission Power Control [TPC] or power classes
    • H04W52/02—Power saving arrangements
    • H04W52/0209—Power saving arrangements in terminal devices
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J11/00—Orthogonal multiplex systems, e.g. using WALSH codes
    • H04J11/0023—Interference mitigation or co-ordination
    • H04J11/005—Interference mitigation or co-ordination of intercell interference
    • H04J11/0056—Inter-base station aspects
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J11/00—Orthogonal multiplex systems, e.g. using WALSH codes
    • H04J11/0069—Cell search, i.e. determining cell identity [cell-ID]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J11/00—Orthogonal multiplex systems, e.g. using WALSH codes
    • H04J11/0069—Cell search, i.e. determining cell identity [cell-ID]
    • H04J11/0076—Acquisition of secondary synchronisation channel, e.g. detection of cell-ID group
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L41/00—Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
    • H04L41/08—Configuration management of networks or network elements
    • H04L41/0803—Configuration setting
    • H04L41/0823—Configuration setting characterised by the purposes of a change of settings, e.g. optimising configuration for enhancing reliability
    • H04L41/0833—Configuration setting characterised by the purposes of a change of settings, e.g. optimising configuration for enhancing reliability for reduction of network energy consumption
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L41/00—Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
    • H04L41/08—Configuration management of networks or network elements
    • H04L41/085—Retrieval of network configuration; Tracking network configuration history
    • H04L41/0853—Retrieval of network configuration; Tracking network configuration history by actively collecting configuration information or by backing up configuration information
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W24/00—Supervisory, monitoring or testing arrangements
    • H04W24/02—Arrangements for optimising operational condition
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W48/00—Access restriction; Network selection; Access point selection
    • H04W48/08—Access restriction or access information delivery, e.g. discovery data delivery
    • H04W48/10—Access restriction or access information delivery, e.g. discovery data delivery using broadcasted information
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W48/00—Access restriction; Network selection; Access point selection
    • H04W48/16—Discovering, processing access restriction or access information
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. Transmission Power Control [TPC] 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. Transmission Power Control [TPC] 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
    • H04W52/0229—Power saving arrangements in terminal devices using monitoring of external events, e.g. the presence of a signal where the received signal is a wanted 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 wanted signal where the received signal is a power saving command
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W56/00—Synchronisation arrangements
    • H04W56/001—Synchronization between nodes
    • H04W56/0015—Synchronization between nodes one node acting as a reference for the others
    • 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
    • H04W88/08—Access point devices
    • H04W88/085—Access point devices with remote components
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W24/00—Supervisory, monitoring or testing arrangements
    • H04W24/10—Scheduling measurement reports ; Arrangements for measurement reports
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W36/00—Hand-off or reselection arrangements
    • H04W36/16—Performing reselection for specific purposes
    • H04W36/22—Performing reselection for specific purposes for handling the traffic
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W92/00—Interfaces specially adapted for wireless communication networks
    • H04W92/04—Interfaces between hierarchically different network devices
    • H04W92/12—Interfaces between hierarchically different network devices between access points and access point controllers
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
    • Y02D30/00—Reducing energy consumption in communication networks
    • Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks

Definitions

  • the present disclosure relates to a technical field of wireless communication. More specifically, the present disclosure relates to a node in a wireless communication system and a method performed by the same.
  • multi-antenna transmission technologies such as Full Dimensional MIMO (FD-MIMO), array antennas and large-scale antennas, metamaterial-based lenses and antennas for improving coverage of terahertz band signals, high-dimensional space multiplexing technology using OAM (Orbital Angular Momentum), and RIS (Reconfigurable Intelligent Surface), but also full-duplex technology for increasing frequency efficiency of 6G mobile communication technologies and improving system networks, AI-based communication technology for implementing system optimization by utilizing satellites and AI (Artificial Intelligence) from the design stage and internalizing end-to-end AI support functions, and next-generation distributed computing technology for implementing services at levels of complexity exceeding the limit of UE operation capability by utilizing ultra-high-performance communication and computing resources.
  • FD-MIMO Full Dimensional MIMO
  • OAM Organic Angular Momentum
  • RIS Reconfigurable Intelligent Surface
  • Embodiments of the present disclosure provide a method performed by a first node in a wireless communication system, including: receiving a second message from a second node, wherein the second message includes a network energy saving configuration; and transmitting a fifth message to a user equipment based on receiving the second message.
  • Embodiments of the present disclosure provide a first node in a wireless communication system, including a transceiver configured to transmit and receive signals; and a processor coupled to the transceiver and configured to perform methods performed by a first node in a wireless communication system according to embodiments of the present disclosure.
  • FIG. 2 is an exemplary system architecture 200 according to various embodiments of the present disclosure
  • FIG. 3B shows a flowchart of a method 310 performed by a second node in a wireless communication system according to embodiments of the present disclosure
  • FIG. 4A shows a flowchart of a method 400 performed by a first node in a wireless communication system according to embodiments of the present disclosure
  • FIG. 4B shows a flowchart of a method 410 performed by a second node in a wireless communication system according to embodiments of the present disclosure
  • FIG. 5A shows a schematic diagram of an aspect of a method for supporting network energy saving according to embodiments of the present disclosure
  • FIG. 5D shows a schematic diagram of an aspect of a method for supporting network energy saving according to embodiments of the present disclosure
  • FIG. 6A shows a schematic diagram of an aspect of a method for supporting network energy saving according to embodiments of the present disclosure
  • FIG. 6C shows a schematic diagram of an aspect of a method for supporting network energy saving according to embodiments of the present disclosure
  • the user equipment performs uplink transmission and/or downlink reception based on the activation time of the network energy saving configuration.
  • the method performed by a first node in a wireless communication system further includes: receiving a third message from the user equipment, wherein the third message includes a request to activate a network in an energy saving state and/or deactivate a network in a non-energy saving state.
  • the method performed by a first node in a wireless communication system further includes: receiving a fourth message from at least one of the second node or the third node; and transmitting the fourth message to the user equipment, wherein the fourth message includes a response to the request to activate a network in an energy saving state and/or deactivate a network in a non-energy saving state.
  • the method performed by a first node in a wireless communication system further includes: receiving a seventh message from the second node, wherein the seventh message includes a response to the request for network performance of at least one of the second node or the third node, wherein the seventh message includes one or more of the following: scope corresponding to content that can be reported, content that can be reported, scope corresponding to content that cannot be reported, content that cannot be reported, and cause for request failure.
  • the method performed by a first node in a wireless communication system further includes: making a network self-optimization decision based on the network energy saving configuration, wherein the network self-optimization decision includes at least one of network energy saving, load balancing, coverage optimization, mobility optimization and/or management, network configuration determination and/or network configuration updating.
  • the second message includes one or more of the following: reporting content and event that triggers reporting.
  • Embodiments of the present disclosure provide a method performed by a first node in a wireless communication system, including: receiving, from a second node, at least one message of a second message including a network energy saving configuration and a third message including a request to activate a network in an energy saving state and/or deactivate a network in a non-energy saving state, wherein the at least one message is associated with at least one of the second node and other nodes except the second node.
  • the fourth message includes one or more of the following: transmitting node identification, receiving node identification, activation identification, corresponding scope that can be activated, configuration that can be activated, time that can be activated, entered energy saving related state and/or mode, time corresponding to an entered energy saving related state and/or mode, corresponding scope that is activated, activated configuration, activated time, energy saving configuration mode information, corresponding scope that cannot be activated, configuration that cannot be activated, deactivation identification, corresponding scope that can be deactivated, configuration that can be deactivated, time that can be deactivated, corresponding scope that is deactivated, deactivated configuration, deactivated time, corresponding scope that cannot be deactivated, configuration that cannot be deactivated, interface instance indication, cause for “inactivatable”, configuration change identification, configuration that can be applied, application time corresponding to configuration that can be applied, trigger condition for triggering configuration application, configuration that cannot be applied, applied configuration, coverage state change identification, coverage state that can be changed, scope corresponding to
  • Embodiments of the present disclosure provide a method performed by a second node in a wireless communication system, including: transmitting, to a first node, at least one message of a second message including a network energy saving configuration and a third message including a request to activate a network in an energy saving state and/or deactivate a network in a non-energy saving state, wherein the at least one message is associated with at least one of the second node and other nodes except the second node.
  • the method performed by a second node in a wireless communication system further includes: receiving a first message including a request for the network energy saving configuration from the first node, and transmitting the second message to the first node based on the first message.
  • the fourth message includes one or more of the following: transmitting node identification, receiving node identification, activation identification, corresponding scope that can be activated, configuration that can be activated, time that can be activated, entered energy saving related state and/or mode, time corresponding to an entered energy saving related state and/or mode, corresponding scope that is activated, activated configuration, activated time, energy saving configuration mode information, corresponding scope that cannot be activated, configuration that cannot be activated, deactivation identification, corresponding scope that can be deactivated, configuration that can be deactivated, time that can be deactivated, corresponding scope that is deactivated, deactivated configuration, deactivated time, corresponding scope that cannot be deactivated, configuration that cannot be deactivated, interface instance indication, cause for “inactivatable”, configuration change identification, configuration that can be applied, application time corresponding to configuration that can be applied, trigger condition for triggering configuration application, configuration that cannot be applied, applied configuration, coverage state change identification, coverage state that can be changed, scope corresponding to
  • Embodiments of the present disclosure provide a first node in a wireless communication system, including a transceiver configured to transmit and receive signals; and a processor coupled to the transceiver and configured to perform methods performed by a first node in a wireless communication system according to embodiments of the present disclosure.
  • the methods performed by a first node and/or a second node in a wireless communication system can enable the network side to update configuration to achieve a purpose of energy saving by exchanging network energy saving configuration and/or network energy saving related information used for a request to activate a network in an energy saving state and/or deactivate a network in a non-energy saving state between nodes.
  • FIGs. 1 to 8 discussed below and various embodiments for describing the principles of the present disclosure in this patent document are only for illustration and should not be interpreted as limiting the scope of the present disclosure in any way. Those skilled in the art will understand that the principles of the present disclosure can be implemented in any suitably arranged system or device.
  • FIG. 1 is an exemplary system architecture 100 of system architecture evolution (SAE).
  • UE User equipment
  • E-UTRAN evolved universal terrestrial radio access network
  • E-UTRAN is a radio access network, which includes a macro base station (eNodeB/NodeB) that provides UE with interfaces to access the radio network.
  • a mobility management entity (MME) 103 is responsible for managing mobility context, session context and security information of the UE.
  • MME mobility management entity
  • SGW serving gateway
  • a packet data network gateway (PGW) 105 is responsible for functions of charging, lawful interception, etc., and may be in the same physical entity as the SGW 104.
  • a policy and charging rules function entity (PCRF) 106 provides quality of service (QoS) policies and charging criteria.
  • a general packet radio service support node (SGSN) 108 is a network node device that provides routing for data transmission in a universal mobile telecommunications system (UMTS).
  • UMTS universal mobile telecommunications system
  • a home subscriber server (HSS)109 is a home subsystem of the UE, and is responsible for protecting user information including a current location of the user equipment, an address of a serving node, user security information, and packet data context of the user equipment, etc.
  • User equipment (UE) 201 is a terminal device for receiving data.
  • a next generation radio access network (NG-RAN) 202 is a radio access network, which includes a base station (a gNB or an eNB connected to 5G core network 5GC, and the eNB connected to the 5GC is also called ng-gNB) that provides UE with interfaces to access the radio network.
  • An access control and mobility management function entity (AMF) 203 is responsible for managing mobility context and security information of the UE.
  • a user plane function entity (UPF) 204 mainly provides functions of user plane.
  • a session management function entity SMF 205 is responsible for session management.
  • a data network (DN) 206 includes, for example, services of operators, access of Internet and service of third parties.
  • Nodes mentioned in the present disclosure may include gNB, gNB Central Unit (gNB-CU), gNB Distributed Unit (gNB-DU), gNB-CU-Control Plane (gNB CU-CP), gNB-CU-User Plane (gNB CU-UP), en-gNB, eNB, ng-eNB, UE, access and Mobility Management Function (AMF), Session Management Function (SMF), Mobility Management Entity (MME) and other network entities or network logic units.
  • gNB gNB Central Unit
  • gNB-DU gNB Distributed Unit
  • gNB CU-CP gNB-CU-Control Plane
  • gNB CU-User Plane gNB CU-UP
  • en-gNB eNB
  • ng-eNB ng-eNB
  • UE access and Mobility Management Function
  • AMF Access and Mobility Management Function
  • SMSF Session Management Function
  • MME Mobility Management Entity
  • FIG. 3A shows a flowchart of a method 300 performed by a first node in a wireless communication system according to embodiments of the present disclosure.
  • a method 300 performed by a first node in a wireless communication system may include: receiving, from a second node, at least one message of a second message including a network energy saving configuration and a third message including a request to activate a network in an energy saving state and/or deactivate a network in a non-energy saving state.
  • the at least one message may be associated with at least one of the second node and other nodes other than the second node.
  • the network energy saving configuration received from the second node may be a network energy saving configuration of the second node and/or a network energy saving configuration of any other node collected or acquired by the second node in any way.
  • the method 300 may further include: making a network self-optimization decision based on at least one message described above.
  • the network self-optimization decision may include at least one of network energy saving, load balancing, coverage optimization, mobility optimization and/or management, network configuration determination and/or network configuration updating, etc.
  • the method 310 performed by a second node in a wireless communication system may include: transmitting, to a first node, at least one message of a second message including a network energy saving configuration and a third message including a request to activate a network in an energy saving state and/or deactivate a network in a non-energy saving state.
  • the at least one message may be associated with at least one of the second node and other nodes other than the second node.
  • the network energy saving configuration transmitted to the first node may be a network energy saving configuration of the second node and/or a network energy saving configuration of any other node collected or acquired by the second node in any way.
  • the method 400 may include: the first node transmitting a request to activate a network in an energy saving state and/or deactivate a network in a non-energy saving state to at least one of the second node or the third node.
  • the request to activate a network in an energy saving state and/or deactivate a network in a non-energy saving state transmitted by the first node to at least one of the second node or the third node may be received from the user equipment or initiated by the first node itself.
  • FIG. 4B shows a flowchart of a method 410 performed by a second node in a wireless communication system according to embodiments of the present disclosure.
  • Steps of the methods 300, 310, 400 and 410 according to embodiments of the present disclosure as described above may be performed individually or jointly in any combination, and may be performed in any order, for example, simultaneously or in a reverse order of the listed order.
  • various steps and various information described above will be further described below with specific examples. It should be understood that the ordinal numbers in the first node, the second node, the third node, etc. described herein is only used for distinguishing different nodes in specific scenarios. In different examples or implementations of the present disclosure, the first node, the second node, the third node, etc. may be used interchangeably or refer to each other.
  • the first message may include one or more of the following fields and/or related information:
  • Receiving node identification an identification of a node that receives the first message.
  • the network energy saving configuration request may be aimed at a current network energy saving configuration or a predicted network energy saving configuration.
  • the QoS level and/or QoS type may be identified by one or more of the following: 5G QoS Identifier (5QI), Qos Flow Identifier (QFI), etc.
  • Current network energy saving related state and/or mode may include one or more of the following: energy saving state and/or mode, normal state and/or mode (or non-energy saving state and/or mode), switch-on, switch-off, activation, deactivation, energy saving state, non-energy saving state, sleep, non-sleep, deep sleep, light sleep, micro sleep, active uplink (active UL), active downlink (active DL), transmission power decrease and/or increase, coverage increase and/or decrease, etc.
  • the state and/or mode may be for one or more of the following: uplink, downlink, uplink or downlink, uplink and downlink.
  • Scope corresponding to the above configuration it may include one or more of the following: service, QoS type, QoS level, etc.
  • one or more service types are applicable to the above configuration, and other services are not applicable to the above configuration; alternatively, one or more service types are not applicable to the above configuration, and other services are applicable to the above configuration.
  • one or more QoS types and/or QoS levels are applicable to the above configuration, and other services are not applicable to the above configuration.
  • one or more QoS types and/or QoS levels are not applicable to the above configuration, and other services are applicable to the above configuration.
  • the QoS level and/or QoS type may be identified by one or more of the following: 5G QoS Identifier (5QI), Qos Flow Identifier (QFI), etc.
  • 5QI 5G QoS Identifier
  • QFI Qos Flow Identifier
  • Inactive time and/or frequency bands are for reception, and active time and/or frequency bands are for transmission.
  • - Reporting request for information related to wake-up signal configuration it may indicate that the configuration related to wake-up signal is requested to be reported.
  • the configuration may include one or more of the following:
  • Transmitting position of the wake-up signal it may include frequency configuration and/or time domain configuration, etc.
  • Receiving position of the wake-up signal it may include frequency configuration and/or time domain configuration, etc.
  • the limitation value may be a predefined value or a signal quality of a wake-up signal received by a certain node received from the certain node.
  • the limit value may be set based on the signal quality of the wake-up signal received from the node or the signal quality of the wake-up signal received by oneself.
  • Applicable deactivation time of a configuration it may be an absolute time or a relative time.
  • Inapplicable time of a configuration it may be an absolute time or a relative time.
  • the first node When receiving a Synchronization Signal Block (SSB) configuration of the neighboring cell, the first node may configure its own SSB according to the SSB configuration of the neighboring cell to avoid SSB configuration conflict.
  • the first node may set an energy saving strategy according to the coverage state of the neighboring cell, for example, while ensuring coverage, it appropriately specifies an energy saving strategy to avoid coverage blank. Specifically, for example, when the coverage of the neighboring cell is reduced, the first node does not take energy saving actions to avoid forming coverage blank, or when the coverage of the neighboring cell is expanded and/or reduced by a small range, the first node may determine a suitable energy saving action.
  • SSB Synchronization Signal Block
  • End time used to indicate an end time.
  • the end time may be a relative time or an absolute time.
  • Accuracy of the predicted energy saving configuration it may be an accuracy or a confidence.
  • the accuracy may also be an accuracy corresponding to the model for predicting the energy saving configuration.
  • the MIB configuration may also be an energy saving and/or non-energy saving mode that the MIB is in, which may include one or more of the following: switch-on, switch-off, activation, deactivation, network energy saving state, non-network energy saving state, sleep, non-sleep, deep sleep, light sleep, micro sleep, active uplink (active UL), active downlink (active DL), MIB normal state, MIB reduced (MIB-less and/or light MIB) state, MIB-free state, simplified MIB, partial MIB, simplified MIB, partial MIB, transmission power decrease and/or increase, coverage increase and/or decrease, etc.
  • the MIB reduced state may identify the configuration of MIB by an index, or may identify the configuration of MIB by specific parameters.
  • the SIB configuration may also be an energy saving and/or non-energy saving mode that the SIB is in, which may include one or more of the following: switch-on, switch-off, activation, deactivation, network energy saving state, non-network energy saving state, sleep, non-sleep, deep sleep, light sleep, micro sleep, active uplink (active UL), active downlink (active DL), SIB normal state, SIB reduced (SIB-less and/or light SIB) state, SIB-free state, simplified SIB, partial SIB, transmission power decrease and/or increase, coverage increase and/or decrease, etc.
  • the SIB reduced state may identify the configuration of SIB by an index, or may identify the configuration of SIB by specific parameters.
  • Scope corresponding to the above configuration it may include one or more of the following: service, QoS type, QoS level, etc.
  • one or more service types are applicable to the above configuration, and other services are not applicable to the above configuration; alternatively, one or more service types are not applicable to the above configuration, and other services are applicable to the above configuration.
  • one or more QoS types and/or QoS levels are applicable to the above configuration, and other services are not applicable to the above configuration.
  • one or more QoS types and/or QoS levels are not applicable to the above configuration, and other services are applicable to the above configuration.
  • the QoS level and/or QoS type may be identified by one or more of the following: 5G QoS Identifier (5QI), Qos Flow Identifier (QFI), etc.
  • 5QI 5G QoS Identifier
  • QFI Qos Flow Identifier
  • the configuration may be a joint configuration for reception and transmission.
  • a joint configuration mode can be predefined. Transmission of this indication enables that while part of the configuration is transmitted, another part of the configuration can be not transmitted, and a node receiving this message can derive another part of the configuration through the predefined joint configuration mode and the part of the configuration, thus achieving an effect of signaling saving.
  • Modes of joint configuration may include but are not limited to:
  • Inactive time and/or frequency bands are for reception, and active time and/or frequency bands are for transmission.
  • Condition for triggering energy saving configuration when a certain condition is met, the above configuration is activated. For example, it may include one or more of the following: receiving a certain signaling, transmitting a certain signaling, being in a certain mode at present, meeting a timer, load situation and/or resource status being less than and/or less than or equal to and/or greater than and/or greater than or equal to a certain threshold, a change of coverage state of oneself and/or a neighboring cell, etc. It should be understood that the signaling, modes, timers, etc. described herein can be one or more of any existing or future signaling, modes, timers, etc. unless otherwise specified, and are not limited herein.
  • Activation time applicable to energy saving configuration it may be an absolute time or a relative time.
  • the node may be a transmitting node, a receiving node or an other node.
  • the cell may be a cell of the transmitting node, a cell of the receiving node, or a cell of an other node.
  • This configuration may be a configuration used by the node to judge whether to wake up from an energy saving mode after receiving the wake-up signal. For example, it may include one or more of the following:
  • Information related to a signal quality of a received wake-up signal used to indicate information related to the signal quality and/or other parameters of the received wake-up signal.
  • the information related to the signal quality and/or other parameters of the received wake-up signal may include one or more of the following:
  • Condition and/or event that triggers reporting a condition and/or event that is met when the reporting is triggered.
  • the trigger condition and/or event may be that the signal quality of the received wake-up signal is greater than and/or greater than or equal to and/or equal to and/or less than and/or less than or equal to a limitation value.
  • - Indication of whether to wake up it may indicate whether to perform a wake-up operation. In some implementations, it may be that a second node informs a first node that the second node will perform a wake-up operation. This field may also include time information when to perform the wake-up operation, and/or time information of an energy saving and/or non-energy saving state.
  • Node A informs Node B of the signal quality of a received wake-up signal by using the second message, and Node B compares the signal quality of its own received wake-up signal with the received signal quality of the wake-up signal received by Node A, and then the node with a higher signal quality of the wake-up signal performs a wake-up operation. For example, when the signal quality of the received wake-up signal of Node A is higher, Node B may request the node to perform a wake-up and/or activation operation by using the second message and/or the third message.
  • a node informs a neighboring node of the signal quality of the received wake-up signal by using the second message, and the neighboring node compares the signal quality of wake-up signals received from a plurality of nodes, and the neighboring node transmits a wake-up and/or activation request to the node where the cell with higher signal quality of wake-up signal is located by using the second message and/or the third message, and the node performs corresponding wake-up and/or activation operations.
  • the second node and/or other nodes may not receive a UE that does not meet a certain capability requirement and/or may only receive a UE that meets a certain capability requirement.
  • the first node transmits a handover request to the second node and/or other nodes, and the second node and/or other nodes reject the handover request.
  • the first node may be informed that the reasons for rejection are one or more of the following: this type of UE cannot be received, the UE does not meet one or more capability requirements for a receiving UEs, etc.
  • the capability requirement may be a capability requirement for the above-mentioned UE that can be received.
  • An example of the present disclosure proposes a method for supporting network energy saving, which may include: a second node transmits a third message including a request to activate a network in an energy saving state and/or deactivate a network in a non-energy saving state to a first node, so as to request and/or suggest the first node to update network energy saving configuration, for example, to activate the network in an energy saving state and/or deactivate the network in a non-energy saving state, so as to avoid local overload, excessive local energy consumption, and inability to guarantee UE performance, etc. For example, if the second node is to enter an energy saving state, in order to avoid coverage blank, the first node is required and/or suggested to expand its coverage.
  • the third message may be or be included in one or more of the following: an XN SETUP REQUEST message or an XN SETUP RESPONSE message of Xn; or an ENB CONFIGURATION UPDATE message or an ENB CONFIGURATION UPDATE ACKNOWLEDGE message or an EN-DC CONFIGURATION UPDATE message or an EN-DC CONFIGURATION UPDATE ACKNOWLEDGE message of X2; or an NG-RAN NODE CONFIGURATION UPDATE message or an NG-RAN NODE CONFIGURATION UPDATE ACKNOWLEDGE message of Xn; or a CELL ACTIVATION REQUEST message or a CELL ACTIVATION RESPONSE message or a CELL ACTIVATION FAILURE message of Xn or X2; or an EN-DC CELL ACTIVATION REQUEST message or an EN-DC CELL ACTIVATION RESPONSE message or an EN-DC CELL ACTIVATION F
  • Receiving node identification an identification of a node that receives the third message.
  • Activation identification identifies the activation.
  • the configuration may be a current configuration or a predicted configuration. It may include one or more of the following:
  • the SSB configuration may also be a configuration index, where one index corresponds to a set of defined configuration parameters, which may include the above parameters of the SSB configuration, etc.
  • the SSB configuration may also be an energy saving and/or non-energy saving mode that the SSB is in, which may include one or more of the following: switch-on, switch-off, activation, deactivation, network energy saving state, non-network energy saving state, sleep, non-sleep, deep sleep, light sleep, micro sleep, active uplink (active UL), active downlink (active DL), SSB normal state, SSB reduced (SSB-less and/or light SSB) state, SSB-free state, simplified SSB, partial SSB, transmission power decrease and/or increase, coverage increase and/or decrease, etc.
  • the SSB reduced state may identify the configuration of SSB by an index, or may identify the configuration of SSB by specific parameters.
  • MIB configuration it may be a configuration in an energy saving mode or a configuration in a non-energy saving mode.
  • the MIB configuration may be one and/or a set of configuration parameters, which may include one or more of the following: cell identification, MIB frequency, MIB subcarrier spacing, MIB transmission power, MIB period, MIB repetition, MIB position, etc.
  • the MIB configuration may also be a configuration index, where one index corresponds to a set of defined configuration parameters, which may include the above parameters of the MIB configuration, etc.
  • the MIB configuration may also be an energy saving and/or non-energy saving mode that the MIB is in, which may include one or more of the following: switch-on, switch-off, activation, deactivation, network energy saving state, non-network energy saving state, sleep, non-sleep, deep sleep, light sleep, micro sleep, active uplink (active UL), active downlink (active DL), MIB normal state, MIB reduced (MIB-less and/or light MIB) state, MIB-free state, simplified MIB, partial MIB, simplified MIB, partial MIB, transmission power decrease and/or increase, coverage increase and/or decrease, etc.
  • the MIB reduced state may identify the configuration of MIB by an index, or may identify the configuration of MIB by specific parameters.
  • SIB configuration it may be a configuration in an energy saving mode or a configuration in a non-energy saving mode.
  • the SIB configuration may be one and/or a set of configuration parameters, which may include one or more of the following: cell identification, SIB frequency, SIB subcarrier spacing, SIB transmission power, SIB period, SIB repetition, SIB position, etc.
  • the SIB configuration may also be a configuration index, where one index corresponds to a set of defined configuration parameters, which may include the above parameters of the SIB configuration, etc.
  • the SIB configuration may also be an energy saving and/or non-energy saving mode that the SIB is in, which may include one or more of the following: switch-on, switch-off, activation, deactivation, network energy saving state, non-network energy saving state, sleep, non-sleep, deep sleep, light sleep, micro sleep, active uplink (active UL), active downlink (active DL), SIB normal state, SIB reduced (SIB-less and/or light SIB) state, SIB-free state, simplified SIB, partial SIB, transmission power decrease and/or increase, coverage increase and/or decrease, etc.
  • the SIB reduced state may identify the configuration of SIB by an index, or may identify the configuration of SIB by specific parameters.
  • the activation operation when a certain condition is met, the activation operation is performed, which may include, for example, one or more of the following: receiving a certain signaling, transmitting a certain signaling, being in a certain mode at present, meeting a timer, load situation and/or resource status being less than and/or less than or equal to and/or greater than and/or greater than or equal to a certain threshold, a change of coverage state of oneself and/or a neighboring cell, etc.
  • the signaling, modes, timers, etc. described herein can be one or more of any existing or future signaling, modes, timers, etc. unless otherwise specified, and are not limited herein.
  • - Scope corresponding to a deactivation request it may be identifications and/or identification lists of one or more of the following: cell, slice (for example, it may be identified by Single Network Slice Selection Assistance Information (S-NSSAI)), Bandwidth Part (BWP), subframe, slot, symbol, carrier, service, Quality of Service (QoS) level, QoS flow, Protocol Data Unit (PDU) session, data Radio Bearer (DRB), beam, transmitting and receiving point, node, SSB, Resource Block, etc.
  • This request may be a current activation request or a predicted activation request.
  • the QoS level and/or QoS type may be identified by one or more of the following: 5G QoS Identifier (5QI), Qos Flow Identifier (QFI), etc.
  • MIB configuration it may be a configuration in an energy saving mode or a configuration in a non-energy saving mode.
  • the MIB configuration may be one and/or a set of configuration parameters, which may include one or more of the following: cell identification, MIB frequency, MIB subcarrier spacing, MIB transmission power, MIB period, MIB repetition, MIB position, etc.
  • the MIB configuration may also be a configuration index, where one index corresponds to a set of defined configuration parameters, which may include the above parameters of the MIB configuration, etc.
  • the MIB configuration may also be an energy saving and/or non-energy saving mode that the MIB is in, which may include one or more of the following: switch-on, switch-off, activation, deactivation, network energy saving state, non-network energy saving state, sleep, non-sleep, deep sleep, light sleep, micro sleep, active uplink (active UL), active downlink (active DL), MIB normal state, MIB reduced (MIB-less and/or light MIB) state, MIB-free state, simplified MIB, partial MIB, MIB-free state, transmission power decrease and/or increase, coverage increase and/or decrease, etc.
  • the MIB reduced state may identify the configuration of MIB by an index, or may identify the configuration of MIB by specific parameters.
  • the SIB configuration may also be an energy saving and/or non-energy saving mode that the SIB is in, which may include one or more of the following: switch-on, switch-off, activation, deactivation, network energy saving state, non-network energy saving state, sleep, non-sleep, deep sleep, light sleep, micro sleep, active uplink (active UL), active downlink (active DL), SIB normal state, SIB reduced (SIB-less and/or light SIB) state, SIB-free state, simplified SIB, partial SIB, transmission power decrease and/or increase, coverage increase and/or decrease, etc.
  • the SIB reduced state may identify the configuration of SIB by an index, or may identify the configuration of SIB by specific parameters.
  • Time mode corresponding to the above configuration it may include one or more of the following: part of time periods is applicable, part of time periods is inapplicable, applicable time periods, inapplicable time periods, mode index, time mode configuration, active time, inactive time, etc.
  • one mode index corresponds to one configuration.
  • the active time may be the time when reception and/or transmission can be performed.
  • the inactive time may be the time when reception and/or transmission is not performed.
  • This mode can be aimed at one configuration or multiple configurations of the above configurations.
  • it may be that the time not used for reception may be used for transmission.
  • it may be that part of the active time is for transmission, and another part is for reception, etc.
  • Frequency mode corresponding to the above configuration it may include one or more of the following: part of frequencies is applicable, part of frequencies is inapplicable, applicable frequencies, inapplicable frequencies, mode index, active frequencies, inactive frequencies, etc.
  • one mode index corresponds to one configuration. For example, it may be that part of frequencies is for transmission and/or part of frequencies is not for transmission.
  • one mode index corresponds to one configuration. For example, it may be that part of frequencies is for transmission and/or part of frequencies is not for transmission.
  • an active frequency can be the frequency at which reception and/or transmission can be performed.
  • an inactive frequency may be the frequency at which reception and/or transmission is not performed.
  • This mode can be aimed at one configuration or multiple configurations of the above configurations. In an implementation, for example, it may be that frequencies not used for reception may be used for transmission. In another implementation, for example, it may be that part of the active frequencies is for transmission, and another part is for reception, etc.
  • Deactivation time indicates the time for deactivation. It may be an absolute time or a relative time.
  • - Suggested and/or requested energy saving related state and/or mode it is used to represent a suggested and/or requested energy saving related state and/or mode of a network, or a predicted energy saving related state and/or mode, or an energy saving configuration, or one or more of the following: switch-on, switch-off, activation, deactivation, energy saving state, non-energy saving state, sleep, non-sleep, deep sleep, light sleep, micro sleep, active uplink (active UL), active downlink (active DL), suggested and/or requested SSB configuration, suggested and/or requested MIB configuration, suggested and/or requested SIB configuration, transmission power decrease and/or increase, coverage increase and/or decrease, etc.
  • the state and/or mode may be for one or more of the following: uplink, downlink, uplink or downlink, uplink and downlink.
  • the Synchronization Signal Block (SSB) configuration may be a configuration in an energy saving mode or a configuration in a non-energy saving mode.
  • the SSB configuration may be one and/or a set of configuration parameters, which may include one or more of the following: cell identification, SSB frequency, SSB subcarrier spacing, SSB transmission power, SSB period, SSB half subframe index, SSB system frame number offset, initial time of system frame number, SSB position, etc.
  • the SSB position may be an SSB Position in Burst, including one or more of the following: short bitmap, medium bitmap and long bitmap.
  • the SSB configuration may also be a configuration index, where one index corresponds to a set of defined configuration parameters, which may include the above parameters of the SSB configuration, etc.
  • the SSB configuration may also be an energy saving and/or non-energy saving mode that the SSB is in, which may include one or more of the following: switch-on, switch-off, activation, deactivation, network energy saving state, non-network energy saving state, sleep, non-sleep, deep sleep, light sleep, micro sleep, active uplink (active UL), active downlink (active DL), SSB normal state, SSB reduced (SSB-less and/or light SSB) state, SSB-free state, simplified SSB, partial SSB, transmission power decrease and/or increase, coverage increase and/or decrease, etc.
  • the SSB reduced state may identify the configuration of SSB by an index, or may identify the configuration of SSB by specific parameters.
  • the Master Information Block (MIB) configuration may be a configuration in an energy saving mode or a configuration in a non-energy saving mode.
  • the MIB configuration may be one and/or a set of configuration parameters, which may include one or more of the following: cell identification, MIB frequency, MIB subcarrier spacing, MIB transmission power, MIB period, MIB repetition, MIB position, etc.
  • the MIB configuration may also be a configuration index, where one index corresponds to a set of defined configuration parameters, which may include the above parameters of the MIB configuration, etc.
  • - Suggested and/or requested energy saving configuration mode it may include static configuration, semi-static configuration, dynamic configuration, periodic configuration, aperiodic configuration, semi-periodic configuration, etc.
  • - Triggering condition corresponding to application of a configuration when a certain condition is met, an operation of applying the configuration is performed. It may include, for example, one or more of the following: receiving a certain signaling, transmitting a certain signaling, being in a certain mode at present, meeting a timer, load situation and/or resource status being less than and/or less than or equal to and/or greater than and/or greater than or equal to a certain threshold, a change of coverage state of oneself and/or a neighboring cell, etc.
  • the signaling, modes, timers, etc. described herein can be one or more of any existing or future signaling, modes, timers, etc. unless otherwise specified, and are not limited herein.
  • This configuration may be a transmission power configuration, a channel and/or signal configuration, or any other configuration mentioned in the present disclosure, for example, a configuration of a wake-up signal, an energy saving configuration, a setting of setting energy saving configuration autonomously, and the like.
  • - Suggested and/or requested coverage state it may include increasing coverage, decreasing coverage, etc., and may also be expressed by indexes, where one index corresponds to a group of related coverage configurations. It may be a suggestion for the current case or a suggestion for the prediction.
  • Triggering condition for coverage change when a certain condition is met, an operation of changing coverage state is performed. It may include, for example, one or more of the following: receiving a certain signaling, transmitting a certain signaling, being in a certain mode at present, meeting a timer, load situation and/or resource status being less than and/or less than or equal to and/or greater than and/or greater than or equal to a certain threshold, receiving information of coverage change of a neighboring cell, decreasing coverage of a neighboring cell, a change of coverage state of oneself and/or a neighboring cell, etc.
  • the signaling, modes, timers, etc. described herein can be one or more of any existing or future signaling, modes, timers, etc. unless otherwise specified, and are not limited herein.
  • the first node accepts and/or rejects the request according to its own situation, and transmits a fourth message including a response to the request to activate a network in an energy saving state and/or deactivate a network in a non-energy saving state to the second node, so as to avoid the situation that the second node updates the network energy saving configuration only according to its own situation thus resulting in coverage blank, local overload and the like, and make the energy saving configuration updating more suitable.
  • the fourth message may be or be included in one or more of the following: an XN SETUP REQUEST message or an XN SETUP RESPONSE message of Xn; or an ENB CONFIGURATION UPDATE message or an ENB CONFIGURATION UPDATE ACKNOWLEDGE message or an EN-DC CONFIGURATION UPDATE message or an EN-DC CONFIGURATION UPDATE ACKNOWLEDGE message of X2; or an NG-RAN NODE CONFIGURATION UPDATE message or an NG-RAN NODE CONFIGURATION UPDATE ACKNOWLEDGE message of Xn; or a CELL ACTIVATION REQUEST message or a CELL ACTIVATION RESPONSE message or a CELL ACTIVATION FAILURE message of Xn or X2; or an EN-DC CELL ACTIVATION REQUEST message or an EN-DC CELL ACTIVATION RESPONSE message or an EN-DC CELL ACTIVATION F
  • the fourth message may include one or more of the following fields and/or related information:
  • Receiving node identification an identification of a node that receives the fourth message.
  • Activation identification identifies the activation.
  • the SSB configuration may also be a configuration index, where one index corresponds to a set of defined configuration parameters, which may include the above parameters of the SSB configuration, etc.
  • the SSB configuration may also be an energy saving and/or non-energy saving mode that the SSB is in, which may include one or more of the following: switch-on, switch-off, activation, deactivation, network energy saving state, non-network energy saving state, sleep, non-sleep, deep sleep, light sleep, micro sleep, active uplink (active UL), active downlink (active DL), SSB normal state, SSB reduced (SSB-less and/or light SSB) state, SSB-free state, simplified SSB, partial SSB, transmission power decrease and/or increase, coverage increase and/or decrease, etc.
  • the SSB reduced state may identify the configuration of SSB by an index, or may identify the configuration of SSB by specific parameters.
  • the SIB configuration may also be an energy saving and/or non-energy saving mode that the SIB is in, which may include one or more of the following: switch-on, switch-off, activation, deactivation, network energy saving state, non-network energy saving state, sleep, non-sleep, deep sleep, light sleep, micro sleep, active uplink (active UL), active downlink (active DL), SIB normal state, SIB reduced (SIB-less and/or light SIB) state, SIB-free state, simplified SIB, partial SIB, transmission power decrease and/or increase, coverage increase and/or decrease, etc.
  • the SIB reduced state may identify the configuration of SIB by an index, or may identify the configuration of SIB by specific parameters.
  • Frequency mode corresponding to the above configuration it may include one or more of the following: part of frequencies is applicable, part of frequencies is inapplicable, applicable frequencies, inapplicable frequencies, mode index, active frequencies, inactive frequencies, etc.
  • one mode index corresponds to one configuration.
  • an active frequency can be the frequency at which reception and/or transmission can be performed.
  • an inactive frequency may be the frequency at which reception and/or transmission is not performed.
  • This mode can be aimed at one configuration or multiple configurations of the above configurations.
  • it may be that frequencies not used for reception may be used for transmission.
  • it may be that part of the active frequencies is for transmission, and another part is for reception, etc.
  • Index of joint configuration used to identify whether the configuration is a joint configuration and/or identify the index corresponding to the joint configuration.
  • the configuration may be a joint configuration for reception and transmission.
  • a variety of joint configuration modes can be predefined and identified by indexes. Transmission of this index enables that while part of the configuration is transmitted, another part of the configuration can be not transmitted, and a node receiving this message can derive another part of the configuration through the predefined joint configuration mode corresponding to the index and the part of the configuration, thus achieving an effect of signaling saving.
  • Modes of joint configuration may include but are not limited to:
  • the SSB reduced state may identify the configuration of SSB by an index, or may identify the configuration of SSB by specific parameters.
  • the Master Information Block (MIB) configuration may be a configuration in an energy saving mode or a configuration in a non-energy saving mode.
  • the MIB configuration may be one and/or a set of configuration parameters, which may include one or more of the following: cell identification, MIB frequency, MIB subcarrier spacing, MIB transmission power, MIB period, MIB repetition, MIB position, etc.
  • the MIB configuration may also be a configuration index, where one index corresponds to a set of defined configuration parameters, which may include the above parameters of the MIB configuration, etc.
  • the SIB configuration may also be an energy saving and/or non-energy saving mode that the SIB is in, which may include one or more of the following: switch-on, switch-off, activation, deactivation, network energy saving state, non-network energy saving state, sleep, non-sleep, deep sleep, light sleep, micro sleep, active uplink (active UL), active downlink (active DL), SIB normal state, SIB reduced (SIB-less and/or light SIB) state, SIB-free state, simplified SIB, partial SIB, transmission power decrease and/or increase, coverage increase and/or decrease, etc.
  • the SIB reduced state may identify the configuration of SIB by an index, or may identify the configuration of SIB by specific parameters.
  • Time corresponding to an entered energy saving related state and/or mode it may be an absolute time or a relative time.
  • - Corresponding scope that is activated it may be identifications and/or identification lists of one or more of the following: cell, slice (for example, it may be identified by Single Network Slice Selection Assistance Information (S-NSSAI)), Bandwidth Part (BWP), subframe, slot, symbol, carrier, service, Quality of Service (QoS) level, QoS flow, Protocol Data Unit (PDU) session, data Radio Bearer (DRB), beam, transmitting and receiving point, node, SSB, Resource Block, etc.
  • S-NSSAI Single Network Slice Selection Assistance Information
  • BWP Bandwidth Part
  • subframe slot, symbol, carrier, service, Quality of Service (QoS) level, QoS flow, Protocol Data Unit (PDU) session, data Radio Bearer (DRB), beam, transmitting and receiving point, node, SSB, Resource Block, etc.
  • QoS level and/or QoS type may be identified by one or more of the following: 5G QoS Identifier (5QI), Qos Flow
  • the SIB configuration may also be an energy saving and/or non-energy saving mode that the SIB is in, which may include one or more of the following: switch-on, switch-off, activation, deactivation, network energy saving state, non-network energy saving state, sleep, non-sleep, deep sleep, light sleep, micro sleep, active uplink (active UL), active downlink (active DL), SIB normal state, SIB reduced (SIB-less and/or light SIB) state, SIB-free state, simplified SIB, partial SIB, transmission power decrease and/or increase, coverage increase and/or decrease, etc.
  • the SIB reduced state may identify the configuration of SIB by an index, or may identify the configuration of SIB by specific parameters.
  • Scope corresponding to the above activated configuration it may include one or more of the following: service, QoS type, QoS level, etc.
  • service QoS type
  • QoS level QoS level
  • one or more service types are applicable to the above configuration, and other services are not applicable to the above configuration; alternatively, one or more service types are not applicable to the above configuration, and other services are applicable to the above configuration.
  • one or more QoS types and/or QoS levels are applicable to the above configuration, and other services are not applicable to the above configuration.
  • one or more QoS types and/or QoS levels are not applicable to the above configuration, and other services are applicable to the above configuration.
  • the QoS level and/or QoS type may be identified by one or more of the following: 5G QoS Identifier (5QI), Qos Flow Identifier (QFI), etc.
  • 5QI 5G QoS Identifier
  • QFI Qos Flow Identifier
  • Activated energy saving configuration mode it may include static configuration, semi-static configuration, dynamic configuration, periodic configuration, aperiodic configuration, semi-periodic configuration, etc.
  • Deactivated energy saving configuration mode it may include static configuration, semi-static configuration, dynamic configuration, periodic configuration, aperiodic configuration, semi-periodic configuration, etc.
  • Energy saving configuration mode that can be activated it may include static configuration, semi-static configuration, dynamic configuration, periodic configuration, aperiodic configuration, semi-periodic configuration, etc.
  • Energy saving configuration mode that cannot be deactivated it may include static configuration, semi-static configuration, dynamic configuration, periodic configuration, aperiodic configuration, semi-periodic configuration, etc.
  • this configuration may be a current configuration or a predicted configuration. It may include one or more of the following:
  • Synchronization Signal Block (SSB) configuration it may be a configuration in an energy saving mode or a configuration in a non-energy saving mode.
  • the SSB configuration may be one and/or a set of configuration parameters, which may include one or more of the following: cell identification, SSB frequency, SSB subcarrier spacing, SSB transmission power, SSB period, SSB half subframe index, SSB system frame number offset, initial time of system frame number, SSB position, etc.
  • the SSB position may be an SSB Position in Burst, including one or more of the following: short bitmap, medium bitmap and long bitmap.
  • MIB configuration it may be a configuration in an energy saving mode or a configuration in a non-energy saving mode.
  • the MIB configuration may be one and/or a set of configuration parameters, which may include one or more of the following: cell identification, MIB frequency, MIB subcarrier spacing, MIB transmission power, MIB period, MIB repetition, MIB position, etc.
  • the MIB configuration may also be a configuration index, where one index corresponds to a set of defined configuration parameters, which may include the above parameters of the MIB configuration, etc.
  • SIB configuration it may be a configuration in an energy saving mode or a configuration in a non-energy saving mode.
  • the SIB configuration may be one and/or a set of configuration parameters, which may include one or more of the following: cell identification, SIB frequency, SIB subcarrier spacing, SIB transmission power, SIB period, SIB repetition, SIB position, etc.
  • the SIB configuration may also be a configuration index, where one index corresponds to a set of defined configuration parameters, which may include the above parameters of the SIB configuration, etc.
  • the SIB configuration may also be an energy saving and/or non-energy saving mode that the SIB is in, which may include one or more of the following: switch-on, switch-off, activation, deactivation, network energy saving state, non-network energy saving state, sleep, non-sleep, deep sleep, light sleep, micro sleep, active uplink (active UL), active downlink (active DL), SIB normal state, SIB reduced (SIB-less and/or light SIB) state, SIB-free state, simplified SIB, partial SIB, transmission power decrease and/or increase, coverage increase and/or decrease, etc.
  • the SIB reduced state may identify the configuration of SIB by an index, or may identify the configuration of SIB by specific parameters.
  • Scope corresponding to the above configuration that cannot be activated it may include one or more of the following: service, QoS type, QoS level, etc.
  • one or more service types are applicable to the above configuration, and other services are not applicable to the above configuration; alternatively, one or more service types are not applicable to the above configuration, and other services are applicable to the above configuration.
  • one or more QoS types and/or QoS levels are applicable to the above configuration, and other services are not applicable to the above configuration.
  • one or more QoS types and/or QoS levels are not applicable to the above configuration, and other services are applicable to the above configuration.
  • the QoS level and/or QoS type may be identified by one or more of the following: 5G QoS Identifier (5QI), Qos Flow Identifier (QFI), etc.
  • 5QI 5G QoS Identifier
  • QFI Qos Flow Identifier
  • Time mode corresponding to the above configuration it may include one or more of the following: part of time periods is applicable, part of time periods is inapplicable, applicable time periods, inapplicable time periods, mode index, time mode configuration, active time, inactive time, etc.
  • one mode index corresponds to one configuration.
  • the active time may be the time when reception and/or transmission can be performed.
  • the inactive time may be the time when reception and/or transmission is not performed.
  • This mode can be aimed at one configuration or multiple configurations of the above configurations.
  • it may be that the time not used for reception may be used for transmission.
  • it may be that part of the active time is for transmission, and another part is for reception, etc.
  • Frequency mode corresponding to the above configuration it may include one or more of the following: part of frequencies is applicable, part of frequencies is inapplicable, applicable frequencies, inapplicable frequencies, mode index, active frequencies, inactive frequencies, etc.
  • one mode index corresponds to one configuration.
  • an active frequency can be the frequency at which reception and/or transmission can be performed.
  • an inactive frequency may be the frequency at which reception and/or transmission is not performed.
  • This mode can be aimed at one configuration or multiple configurations of the above configurations.
  • it may be that frequencies not used for reception may be used for transmission.
  • it may be that part of the active frequencies is for transmission, and another part is for reception, etc.
  • Indication of joint configuration used to indicate whether the energy saving configuration is a joint configuration.
  • the configuration may be a joint configuration for reception and transmission.
  • a joint configuration mode can be predefined. Transmission of this indication enables that while part of the configuration is transmitted, another part of the configuration can be not transmitted, and a node receiving this message can derive another part of the configuration through the predefined joint configuration mode and the part of the configuration, thus achieving an effect of signaling saving.
  • Modes of joint configuration may include but are not limited to:
  • the SSB configuration may also be a configuration index, where one index corresponds to a set of defined configuration parameters, which may include the above parameters of the SSB configuration, etc.
  • the SSB configuration may also be an energy saving and/or non-energy saving mode that the SSB is in, which may include one or more of the following: switch-on, switch-off, activation, deactivation, network energy saving state, non-network energy saving state, sleep, non-sleep, deep sleep, light sleep, micro sleep, active uplink (active UL), active downlink (active DL), SSB normal state, SSB reduced (SSB-less and/or light SSB) state, SSB-free state, simplified SSB, partial SSB, transmission power decrease and/or increase, coverage increase and/or decrease, etc.
  • the SSB reduced state may identify the configuration of SSB by an index, or may identify the configuration of SSB by specific parameters.
  • Scope corresponding to the above configuration that can be deactivated it may include one or more of the following: service, QoS type, QoS level, etc.
  • one or more service types are applicable to the above configuration, and other services are not applicable to the above configuration; alternatively, one or more service types are not applicable to the above configuration, and other services are applicable to the above configuration.
  • one or more QoS types and/or QoS levels are applicable to the above configuration, and other services are not applicable to the above configuration.
  • one or more QoS types and/or QoS levels are not applicable to the above configuration, and other services are applicable to the above configuration.
  • the QoS level and/or QoS type may be identified by one or more of the following: 5G QoS Identifier (5QI), Qos Flow Identifier (QFI), etc.
  • 5QI 5G QoS Identifier
  • QFI Qos Flow Identifier
  • Time that can be deactivated indicates the time when deactivation can be performed. It may be an absolute time or a relative time.
  • MIB configuration it may be a configuration in an energy saving mode or a configuration in a non-energy saving mode.
  • the MIB configuration may be one and/or a set of configuration parameters, which may include one or more of the following: cell identification, MIB frequency, MIB subcarrier spacing, MIB transmission power, MIB period, MIB repetition, MIB position, etc.
  • the MIB configuration may also be a configuration index, where one index corresponds to a set of defined configuration parameters, which may include the above parameters of the MIB configuration, etc.
  • Scope corresponding to the above deactivated configuration it may include one or more of the following: service, QoS type, QoS level, etc.
  • service QoS type
  • QoS level QoS level
  • one or more service types are applicable to the above configuration, and other services are not applicable to the above configuration; alternatively, one or more service types are not applicable to the above configuration, and other services are applicable to the above configuration.
  • one or more QoS types and/or QoS levels are applicable to the above configuration, and other services are not applicable to the above configuration.
  • one or more QoS types and/or QoS levels are not applicable to the above configuration, and other services are applicable to the above configuration.
  • the QoS level and/or QoS type may be identified by one or more of the following: 5G QoS Identifier (5QI), Qos Flow Identifier (QFI), etc.
  • 5QI 5G QoS Identifier
  • QFI Qos Flow Identifier
  • Time mode corresponding to the above configuration it may include one or more of the following: part of time periods is applicable, part of time periods is inapplicable, applicable time periods, inapplicable time periods, mode index, time mode configuration, active time, inactive time, etc.
  • one mode index corresponds to one configuration.
  • the active time may be the time when reception and/or transmission can be performed.
  • the inactive time may be the time when reception and/or transmission is not performed.
  • This mode can be aimed at one configuration or multiple configurations of the above configurations.
  • it may be that the time not used for reception may be used for transmission.
  • it may be that part of the active time is for transmission, and another part is for reception, etc.
  • Frequency mode corresponding to the above configuration it may include one or more of the following: part of frequencies is applicable, part of frequencies is inapplicable, applicable frequencies, inapplicable frequencies, mode index, active frequencies, inactive frequencies, etc.
  • one mode index corresponds to one configuration.
  • an active frequency can be the frequency at which reception and/or transmission can be performed.
  • an inactive frequency may be the frequency at which reception and/or transmission is not performed.
  • This mode can be aimed at one configuration or multiple configurations of the above configurations.
  • it may be that frequencies not used for reception may be used for transmission.
  • it may be that part of the active frequencies is for transmission, and another part is for reception, etc.
  • the QoS level and/or QoS type may be identified by one or more of the following: 5G QoS Identifier (5QI), Qos Flow Identifier (QFI), etc.
  • 5QI 5G QoS Identifier
  • QFI Qos Flow Identifier
  • the sixth message may include one or more of the following fields and/or related information:
  • Transmitting node identification an identification of a node that transmits the sixth message.
  • Receiving node identification an identification of a node that receives the sixth message.
  • - Identification of network performance request used to identify that the request is a request for reporting network performance, and/or to identify whether it is required to report network performance. It may be represented by a single bit. For example, when the bit is 1, it indicates that network performance is requested to be reported and/or required to be reported; and when the bit is 0, it indicates that network performance is not requested to be reported and/or not required to be reported; alternatively, when the bit is 0, it indicates that network performance is requested to be reported and/or required to be reported; and when the bit is 1, it indicates that network performance is not requested to be reported and/or not required to be reported.
  • the request for network performance may be for current network performance or predicted network performance.
  • - Reporting mode used to indicate the reporting mode (of the network performance), for example, it may include On-demand, single reporting, periodic reporting, event triggering, etc.
  • - Reporting interval used to indicate a reporting interval of periodic reporting (of network performance).
  • Applicable scope the scope corresponding to the network energy saving performance, which may be identifications and/or identification lists of one or more of the following: cell, slice (for example, it may be identified by Single Network Slice Selection Assistance Information (S-NSSAI)), Bandwidth Part (BWP), subframe, slot, symbol, carrier, service, Quality of Service (QoS) level, QoS flow, Protocol Data Unit (PDU) session, data Radio Bearer (DRB), beam, transmitting and receiving point, node, SSB, Resource Block, etc.
  • S-NSSAI Single Network Slice Selection Assistance Information
  • BWP Bandwidth Part
  • subframe slot, symbol, carrier, service, Quality of Service (QoS) level, QoS flow, Protocol Data Unit (PDU) session, data Radio Bearer (DRB), beam, transmitting and receiving point, node, SSB, Resource Block, etc.
  • QoS level and/or QoS type may be identified by one or more of the following: 5G QoS Identifier (5QI), Q
  • Network performance it may include one or more of the following:
  • End time used to indicate an end time.
  • the end time may be a relative time or an absolute time.
  • the eighth message may include one or more of the following fields and/or related information:
  • Transmitting node identification an identification of a node that transmits the eighth message.
  • End time used to indicate an end time.
  • the end time may be a relative time or an absolute time.
  • a network or network node
  • the description of that a network (or network node) is in an energy saving state in the present disclosure may mean that part or all of the functions of the network (or network node) are turned off or deactivated or restricted in use, so as to enable a purpose of energy saving.
  • the mode and/or state may include one or more specific parameters of the following: relative power, power, transition time, transition energy, etc.
  • a field may also be a maximum value, a minimum value, an average value, and the like.
  • a node may refer to a node and/or a cell that the node manages and/or belongs to.
  • configuration may refer to a specific configuration parameter, and it may also be a way for changing a parameter, such as improving, increasing, reducing, decreasing, etc.
  • a request may also be a demand, and/or Required.
  • the content exchanged between the nodes may also be an average value, and/or maximum value, and/or minimum value, and/or maximum range, and/or minimum range, and/or average range, and/or evaluation value, and/or evaluation level (for example, it may include high, medium, low, etc.) of the content.
  • a node may also refer to one or more cells controlled by the node.
  • a wake-up operation may be to wake up a network in an energy saving state, or to activate a network in an energy saving state and/or deactivate a network in a non-energy saving state.
  • the SSB configuration may be a configuration in which SSB is transmitted or a configuration in which SSB is not transmitted.
  • the MIB configuration may be a configuration in which MIB is transmitted or a configuration in which MIB is not transmitted.
  • the first node may be a gNB or gNB-CU or gNB-DU or gNB CU-CP or gNB CU-UP or en-gNB or eNB or ng-eNB
  • the second node may be a gNB or gNB-CU or gNB-DU or gNB CU-CP or gNB CU-UP or en-gNB or eNB or ng-eNB.
  • the first node may be an AMF or SMF or MME
  • the second node may be a gNB or gNB-CU or gNB CU-CP or en-gNB or eNB or ng-eNB.
  • the first node may be a gNB or gNB-CU or gNB CU-CP or en-gNB or eNB or ng-eNB
  • the second node may be an AMF or SMF or MME.
  • the first node receives that the second node will take energy saving actions and/or enter an energy saving state at a certain time in the future (for example, the activation time of the network energy saving configuration), then the first node can take this information into account when making a self-optimization decision, for example, the first node will not take energy saving actions and/or not enter an energy saving state at this time to ensure the performance of the UE; alternatively, the first node does not regard the second node and/or a cell of the second node as the target node and/or the target cell for load offloading and/or traffic offloading when making a load balancing decision, so as to avoid offloading ping-pong and/or handover ping-pong, or it may be that the first node does not select the second node and/or the cell of the second node as the target node and/or the target cell for handover when making a mobility decision for UE (e.g.
  • the first node may calculate the transmission power and/or prepare the adjustment of the transmission power in advance according to the energy saving actions and/or entrance of an energy saving state of the second node at a certain time in the future.
  • the first node receives the network energy saving configuration of the second node and/or that the second node will take energy saving actions and/or enter an energy saving state at a certain time in the future (for example, the activation time of the network energy saving configuration), then the first node transmits a request to activate a network in an energy saving state and/or deactivate a network in a non-energy saving state to the second node according to its own situation and/or a request received from other nodes.
  • it may refer to the methods in FIGs. 6A to 6D.
  • the first node may be a gNB or gNB-CU or gNB-DU or gNB CU-CP or gNB CU-UP or en-gNB or eNB or ng-eNB
  • the second node may be a UE.
  • the first node may be a gNB or gNB-CU or gNB CU-CP or en-gNB or eNB or ng-eNB
  • the second node may be an AMF or SMF or MME.
  • step 603A may be performed before, after or at the same time with step 602A.
  • the first node may be a gNB or gNB-CU or gNB-DU or gNB CU-CP or gNB CU-UP or en-gNB or eNB or ng-eNB
  • the second node may be a UE.
  • Step 601B the second node transmits a request to activate the network in the energy saving state and/or deactivate the network in the non-energy saving state to the first node.
  • the request to activate the network in the energy saving state and/or deactivate the network in the non-energy saving state may be the aforementioned third message.
  • Step 602B the first node updates the energy saving configuration according to the received message including the request to activate a network in an energy saving state and/or deactivate a network in a non-energy saving state.
  • the first node when receiving that the network energy saving configuration of the neighboring cell is been entered a network energy saving state, the first node may reduce its transmission power due to reduced interference, so as to achieve the purpose of energy saving.
  • the first node after receiving the network energy saving configuration of the neighboring cell, the first node may select a node and/or cell that can support the UE performance as the target node and/or the target cell according to the network energy saving related state and/or mode of the neighboring cell; alternatively, if the neighboring cell has entered the energy saving state, the first node will not enter the energy saving state; alternatively, when performing load balancing, a neighboring cells that can support UE performance in the current state may be selected as the target node and/or target cell for Load Offloading and/or Traffic Offloading.
  • the first node receives that the second node will take energy saving actions and/or enter an energy saving state at a certain time in the future (for example, the activation time of the network energy saving configuration), then the first node can take this information into account when making a self-optimization decision, for example, the first node will not take energy saving actions and/or not enter an energy saving state at this time to ensure the performance of the UE; alternatively, the first node does not regard the second node and/or a cell of the second node as the target node and/or the target cell for load offloading and/or traffic offloading when making a load balancing decision, so as to avoid offloading ping-pong and/or handover ping-pong, or it may be that the first node does not select the second node and/or the cell of the second node as the target node and/or the target cell for handover when making a mobility decision for UE (e.g.
  • the first node may calculate the transmission power and/or prepare the adjustment of the transmission power in advance according to the energy saving actions and/or entrance of an energy saving state of the second node at a certain time in the future.
  • the first node receives the network energy saving configuration of the second node and/or that the second node will take energy saving actions and/or enter an energy saving state at a certain time in the future (for example, the activation time of the network energy saving configuration), then the first node transmits a request to activate a network in an energy saving state and/or deactivate a network in a non-energy saving state to the second node according to its own situation and/or a request received from other nodes.
  • it may refer to the methods in FIGs. 6A to 6D.
  • step 603B may be performed before, after or at the same time with step 602B.
  • Step 601C UE transmits a request to activate a network in an energy saving state and/or deactivate a network in a non-energy saving state to gNB-CU.
  • the request to activate the network in the energy saving state and/or deactivate the network in the non-energy saving state may be the aforementioned third message.
  • the first node when receiving a response to the request to activate a network in an energy saving state and/or deactivate a network in a non-energy saving state from a neighboring cell thus obtaining the network energy saving configuration, the first node can adjust the transmission power to achieve a purpose of energy saving while ensuring performance.
  • the first node may reduce its transmission power, so as to achieve a purpose of energy saving.
  • the first node may calculate the transmission power and/or prepare the adjustment of the transmission power in advance according to the energy saving actions and/or entrance of an energy saving state of the second node at a certain time in the future.
  • the first node receives a response of the second node to the request to activate the network in an energy saving state and/or deactivate the network in a non-energy saving state, so as to obtain the network energy saving configuration and/or take energy saving actions and/or enter the energy saving state at a certain time in the future (for example, the activation time of the network energy saving configuration), then the first node transmits a request to activate the network in an energy saving state and/or deactivate the network in a non-energy saving state to the second node according to its own situation and/or the request of other nodes.
  • it may refer to the methods in FIGs. 6A to 6D.
  • the cell and/or node when the cell and/or node needs to make an energy saving decision and/or load balancing and/or mobility management decision, and the received network performance of a neighboring cell decreases, then the cell and/or node should not enter the energy saving mode and/or should not transfer the load to the neighboring cell whose network performance decreases and/or should not switch users to the neighboring cell whose network performance decreases.
  • the first node may be a gNB or gNB-CU or gNB-DU or gNB CU-CP or gNB CU-UP or en-gNB or eNB or ng-eNB
  • the second node may be a gNB or gNB-CU or gNB-DU or gNB CU-CP or gNB CU-UP or en-gNB or eNB or ng-eNB.
  • the first node may be an AMF or SMF or MME
  • the second node may be a gNB or gNB-CU or gNB CU-CP or en-gNB or eNB or ng-eNB.
  • Step 701B the first node transmits a request for network performance to the second node to request the second node to feed back the network performance to the first node.
  • the request for network performance may be the aforementioned sixth message.
  • a first node (or first node device) 800 may include a transceiver 810 and a processor 820.
  • the transceiver 810 may be configured to transmit and receive signals.
  • the processor 820 may be coupled to the transceiver 810 and may be configured to (e.g., control the transceiver 810 to) perform methods performed by a first node according to embodiments of the present disclosure.
  • a terminal may include a transceiver 1010, a memory 1020, and a processor (or a controller) 1030.
  • the transceiver 1010, the memory 1020, and the processor (or controller) 1030 of the terminal may operate according to a communication method of the terminal described above.
  • the components of the terminal are not limited thereto.
  • the terminal may include more or fewer components than those described in FIG. 10.
  • the processor (or controller) 1030, the transceiver 1010, and the memory 1020 may be implemented as a single chip.
  • the processor (or controller) 1030 may include at least one processor.
  • the UE of FIG. 10 corresponds to the UE of FIG. 1, FIG. 2, FIG. 5C, FIG. 5D, FIG. 6B, or FIG. 6C.
  • FIG. 11 corresponds to the BS (eg., Node B of UTRAN, eNB of E-UTRAN 102) of FIG. 1 or gNB-CU or gNB-DU of FIG. 5D, FIG. 6C, gNB1-CU or gNB1-DU of FIG. 6D.
  • BS eg., Node B of UTRAN, eNB of E-UTRAN 102
  • FIG. 12 is a block diagram illustrating a structure of a network entity according to an embodiment of the disclosure.
  • the network entity of the present disclosure may include a transceiver 1210, a memory 1220, and a processor 1230.
  • the transceiver 1210, the memory 1220, and the processor 1230 of the network entity may operate according to a communication method of the network entity described above.
  • the components of the terminal are not limited thereto.
  • the network entity may include more or fewer components than those described above.
  • the processor 1230, the transceiver 1210, and the memory 1220 may be implemented as a single chip.
  • the processor 1230 may include at least one processor.
  • the network entity illustrated in FIG. 12 may correspond to the network entity (e.g., AMF entity (203) or SMF entity (205) illustrated in FIG. 2).
  • a computer-readable recording medium having one or more programs (software modules) recorded thereon may be provided.
  • the one or more programs recorded on the computer-readable recording medium are configured to be executable by one or more processors in an electronic device.
  • the one or more programs include instructions to execute the methods according to the embodiments described in the claims or the detailed description of the present disclosure.
  • the programs may also be stored in an attachable storage device which is accessible through a communication network such as the Internet, an intranet, a local area network (LAN), a wireless LAN (WLAN), or a storage area network (SAN), or a combination thereof.
  • the storage device may be connected through an external port to an apparatus according the embodiments of the present disclosure.
  • Another storage device on the communication network may also be connected to the apparatus performing the embodiments of the present disclosure.
  • a computer-readable recording medium is any data storage device that can store data readable by a computer system.
  • Examples of computer-readable recording media may include read-only memory (ROM), random access memory (RAM), compact disk read-only memory (CD-ROM), magnetic tape, floppy disk, optical data storage device, carrier wave (e.g., data transmission via the Internet), etc.
  • Computer-readable recording media can be distributed by computer systems connected via a network, and thus computer-readable codes can be stored and executed in a distributed manner.
  • functional programs, codes and code segments for implementing various embodiments of the present disclosure can be easily explained by those skilled in the art to which the embodiments of the present disclosure are applied.

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EP23850460.9A 2022-08-05 2023-08-03 Verfahren und vorrichtung und zur unterstützung von netzwerkenergieeinsparung in einem drahtlosen kommunikationssystem Pending EP4537592A4 (de)

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