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WO2025020154A1 - Procédé de communication, terminal, dispositif de réseau, système de communication et support de stockage - Google Patents

Procédé de communication, terminal, dispositif de réseau, système de communication et support de stockage Download PDF

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Publication number
WO2025020154A1
WO2025020154A1 PCT/CN2023/109445 CN2023109445W WO2025020154A1 WO 2025020154 A1 WO2025020154 A1 WO 2025020154A1 CN 2023109445 W CN2023109445 W CN 2023109445W WO 2025020154 A1 WO2025020154 A1 WO 2025020154A1
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WO
WIPO (PCT)
Prior art keywords
cell
network device
signal
terminal
information
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
PCT/CN2023/109445
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English (en)
Chinese (zh)
Inventor
江小威
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.)
Beijing Xiaomi Mobile Software Co Ltd
Original Assignee
Beijing Xiaomi Mobile Software 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 Beijing Xiaomi Mobile Software Co Ltd filed Critical Beijing Xiaomi Mobile Software Co Ltd
Priority to CN202380010304.3A priority Critical patent/CN119923909A/zh
Priority to PCT/CN2023/109445 priority patent/WO2025020154A1/fr
Publication of WO2025020154A1 publication Critical patent/WO2025020154A1/fr
Pending legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • 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 the field of communication technology, and in particular to a communication method, a terminal, a network device, a communication system and a storage medium.
  • a network energy-saving mechanism In the field of communication technology, in order to reduce network energy consumption, a network energy-saving mechanism is introduced. When the network implements the energy-saving mechanism, it can not send or receive signals within a specific time period. In related technologies, energy-saving cells are introduced. After the introduction of energy-saving cells, the corresponding wireless communication mechanism is an issue that needs to be considered.
  • the embodiments of the present disclosure provide a communication method, a terminal, a network device, a communication system and a storage medium.
  • the embodiments of the present disclosure at least solve the technical problem of how to wake up the first cell after it is in a dormant state.
  • the first cell can be woken up by performing a first operation or a second operation, which can adapt to the scenario where the first cell supports the first signal or does not support the first signal, and provides a reliable wake-up mechanism for waking up the first cell, and the wake-up method is flexible and highly adaptable.
  • a communication method is provided, the method being executed by a terminal, the method comprising:
  • the first operation is an operation of sending a first signal to a first network device;
  • the second operation is an operation of sending a first message to a second network device;
  • the cell of the first network device is a first cell;
  • the cell of the second network device is a second cell;
  • the first cell is a cell in a dormant state
  • the second cell is a cell associated with the first cell
  • the first signal is used to wake up the first cell
  • the first information is used to trigger the second network device to send a signal for waking up the first cell to the first network device.
  • a communication method is provided, where the method is performed by a second cell, and the method includes:
  • the first information is used to trigger the second network device to send a signal for waking up the first cell to the first network device;
  • the first cell is a cell in a dormant state, and the second cell is a cell associated with the first cell;
  • the first cell is a cell of the first network device, and the second cell is a cell of the second network device;
  • a second signal is sent to the first network device, where the second signal is used to wake up the first cell.
  • a communication method is provided, where the method is performed by a first cell, and the method includes:
  • the first signal and the second signal are used to wake up the first cell; the first cell is a cell in a dormant state, and the second cell is a cell associated with the first cell; the first cell is a cell of the first network device, and the second cell is a cell of the second network device.
  • a communication method is provided, the method being executed by a communication system, the method comprising:
  • the terminal determines that the terminal is close to or in a signal coverage range of a first cell, where the first cell is a cell of a first network device;
  • the terminal sends a first signal to the first network device or sends first information to the second network device, and the cell of the second network device is a second cell;
  • the first cell is a cell in a dormant state
  • the second cell is a cell associated with the first cell
  • the first information is used to trigger the second network device to send a signal for waking up the first cell to the first network device.
  • a terminal including:
  • a processing module is configured to determine that the terminal is close to or in a signal coverage range of a first cell
  • the first operation is an operation of sending a first signal to a first network device
  • the second operation is an operation of sending a first information to a second network device
  • the cell of the first network device is the first cell
  • the cell of the second network device is the second cell
  • the first cell is a cell in a dormant state
  • the second cell is a cell associated with the first cell
  • the first signal is used to wake up the first cell
  • the first information is used to trigger the second network device to send a signal to the first network device for waking up the first cell.
  • a second network device wherein the first network device includes:
  • a transceiver module configured to receive first information sent by a terminal; wherein the first information is used to trigger the second network device to send a signal for waking up the first cell to the first network device; the first cell is a cell in a dormant state, and the second cell is a cell associated with the first cell; the first cell is a cell of the first network device, and the second The cell is a cell of the second network device; and a second signal is sent to the first network device, where the second signal is used to wake up the first cell.
  • a first network device wherein the second network device includes:
  • the transceiver module is configured to receive a first signal sent by a terminal or a second signal sent by a second network device; wherein the first signal and the second signal are used to wake up the first cell; the first cell is a cell in a dormant state, and the second cell is a cell associated with the first cell; the first cell is a cell of the first network device, and the second cell is a cell of the second network device.
  • a communication system which includes a terminal, a first network device and a second network device, the terminal is configured to implement the communication method provided by the first aspect, the second network device is configured to implement the communication method provided by the second aspect, and the first network device is configured to implement the communication method provided by the third aspect.
  • a terminal including:
  • processors one or more processors
  • the terminal is used to execute the communication method described in the first aspect.
  • a first network device comprising:
  • processors one or more processors
  • the first network device is used to execute the communication method described in the third aspect.
  • a second network device comprising:
  • processors one or more processors
  • the second network device is used to execute the communication method described in the second aspect.
  • a storage medium stores instructions, and when the instructions are executed on a communication device, the communication device executes the communication method provided by the first aspect, the second aspect or the third aspect.
  • the communication mechanism of the technical solution provided by the embodiment of the present disclosure can be adapted to the introduced energy-saving cell.
  • FIG. 1a is a schematic diagram showing an architecture of a communication system according to an exemplary embodiment
  • FIG2a is a schematic flow chart of a communication method according to an exemplary embodiment
  • Fig. 2b is a schematic diagram of a cell according to an exemplary embodiment
  • Fig. 2c is a schematic diagram of a cell according to an exemplary embodiment
  • Fig. 3a is a schematic flow chart of a communication method according to an exemplary embodiment
  • Fig. 3b is a schematic flow chart of a communication method according to an exemplary embodiment
  • FIG4a is a schematic flow chart of a communication method according to an exemplary embodiment
  • Fig. 4b is a schematic flow chart of a communication method according to an exemplary embodiment
  • Fig. 5a is a schematic flow chart of a communication method according to an exemplary embodiment
  • Fig. 5b is a schematic flow chart of a communication method according to an exemplary embodiment
  • Fig. 6a is a schematic flow chart showing a communication method according to an exemplary embodiment
  • Fig. 7a is a schematic diagram showing the structure of a terminal according to an exemplary embodiment
  • Fig. 7b is a schematic structural diagram of a first network device according to an exemplary embodiment
  • Fig. 7c is a schematic diagram showing the structure of a second network device according to an exemplary embodiment
  • FIG8a is a schematic structural diagram of a UE according to an exemplary embodiment
  • Fig. 8b is a schematic structural diagram of a communication device according to an exemplary embodiment.
  • Embodiments of the present disclosure provide a communication method and apparatus, a network device, a communication system, and a storage medium.
  • an embodiment of the present disclosure provides a communication method, which is executed by a terminal, and includes:
  • the first operation is an operation of sending a first signal to a first network device;
  • the second operation is an operation of sending a first message to a second network device;
  • the cell of the first network device is a first cell;
  • the cell of the second network device is a second cell;
  • the first cell is a cell in a dormant state
  • the second cell is a cell associated with the first cell
  • the first signal is used to wake up the first cell
  • the first information is used to trigger the second network device to send a signal for waking up the first cell to the first network device.
  • a first signal can be sent to the first network device to wake up the first cell, and a first message can be sent to the second network device to wake up the first cell through the second network device, providing different ways of waking up the first cell.
  • performing the first operation includes:
  • the first operation or the second operation is performed based on the first requirement information.
  • the first operation or the second operation may be performed based on the needs of the terminal.
  • the first operation is: determining that the first cell supports the first signal, and sending the first signal to the first network device; the second operation is: determining that the first cell does not support the first signal, and sending the first information to the second network device.
  • the first signal may be sent to the first cell or the first information may be sent to the second cell based on whether the first cell supports the first signal, so as to adapt to the scenario where the first cell supports the first signal or does not support the first signal.
  • the method further includes:
  • the first configuration information is at least used to determine the signal coverage range and/or to wake up the first cell.
  • the terminal may determine the signal coverage range and/or wake up the first cell based on the first configuration information.
  • the first configuration information includes at least one of the following:
  • RO, RACH Occasion random access channel opportunity
  • DL signal set indicates a signal coverage range of the first cell
  • Condition configuration information used to determine whether the terminal is close to or within the coverage of the first cell
  • the receiving first configuration information sent by the second network device includes:
  • the first configuration information sent by the second network device is received through a system information block SIB.
  • the terminal can receive the first configuration information through the existing SIB, which can improve the utilization rate of signaling resources.
  • the method further includes:
  • the detection and/or measurement of DRS can be initiated based on the indication information of the DL signal set.
  • the situation in which the terminal performs detection and/or measurement before approaching the first cell can be reduced, thereby reducing resource consumption.
  • the method further includes:
  • the terminal may determine whether the terminal is close to or in the signal coverage of the first cell based on the indication of the first configuration information.
  • the determining, based on the first configuration information, that the terminal is Whether the signal is close to or in the signal coverage of the first cell including one of the following:
  • the terminal can determine whether the terminal is close to or in the signal coverage of the first cell in the above manner, thereby ensuring the reliability of the wireless communication mechanism.
  • sending the first signal to the first network device includes:
  • the first time interval includes at least one of the following:
  • the time interval at which the terminal requests to obtain is the time interval at which the terminal requests to obtain.
  • the first signal may be sent to the first network device based on different time intervals, and the sending method is more flexible.
  • sending the first information to the second network device includes one of the following:
  • the terminal in the RRC non-connected state sends a reserved preamble code to the second network device during a random access process
  • the terminal in the RRC non-connected state sends an RRC message carrying information of the first cell to the second network device during a random access process
  • the terminal in the RRC connected state sends an RRC message carrying information of the first cell to the second network device.
  • the first information may be sent to the second network device in different ways, and the sending method is more flexible.
  • the method further includes one of the following:
  • whether the second network device has received the first information may be determined in different ways, and the determination method is more flexible.
  • the method further includes:
  • the third information is used to indicate that the first configuration information has changed.
  • the terminal after receiving the third information, the terminal can determine the change status of the first configuration information based on the third information.
  • the first signal is UL WUS.
  • an embodiment of the present disclosure provides a communication method, which is executed by a second network device, and the method includes: receiving first information sent by a terminal; wherein the first information is used to trigger the second network device to send a signal for waking up the first cell to the first network device; the first cell is a cell in a dormant state, and the second cell is a cell associated with the first cell; the first cell is a cell of the first network device, and the second cell is a cell of the second network device; sending a second signal to the first network device, and the second signal is used to wake up the first cell.
  • the first information sent by the receiving terminal includes one of the following:
  • the method further includes one of the following:
  • Second information is sent to the terminal.
  • the method further includes:
  • the method further includes:
  • the first signal is UL WUS.
  • an embodiment of the present disclosure provides a communication method, the method being executed by a first network device, the method comprising:
  • the first signal and the second signal are used to wake up the first cell; the first cell is a cell in a dormant state, and the second cell is a cell associated with the first cell; the first cell is a cell of the first network device, and the second cell is a cell of the second network device.
  • the method further includes:
  • the first signal is UL WUS.
  • an embodiment of the present disclosure provides a communication method, the method being executed by a communication system, the method comprising:
  • the terminal determines that the terminal is close to or in a signal coverage range of a first cell, where the first cell is a cell of a first network device;
  • the terminal sends a first signal to the first network device or sends first information to the second network device, and the cell of the second network device is a second cell;
  • the first cell is a cell in a dormant state
  • the second cell is a cell associated with the first cell
  • the first signal is used to wake up the first cell
  • the first information is used to trigger the second network device to send a signal for waking up the first cell to the first network device.
  • an embodiment of the present disclosure provides a terminal, the terminal comprising:
  • a processing module is configured to determine that the terminal is close to or in a signal coverage range of a first cell
  • the first operation is an operation of sending a first signal to a first network device
  • the second operation is an operation of sending a first message to a second network device
  • the cell of the first network device is the first cell
  • the cell of the second network device is the second cell
  • the first cell is a cell in a dormant state
  • the second cell is a cell associated with the first cell
  • the first signal is used to wake up the first cell
  • the first information is used to trigger the second network device to send a signal for waking up the first cell to the first network device.
  • an embodiment of the present disclosure provides a second network device, wherein the first network device includes:
  • the transceiver module is configured to receive first information sent by a terminal; wherein the first information is used to trigger the second network device to send a signal for waking up the first cell to the first network device; the first cell is a cell in a dormant state, and the second cell is a cell associated with the first cell; the first cell is a cell of the first network device, and the second cell is a cell of a second network device; a second signal is sent to the first network device, and the second signal is used to wake up the first cell.
  • an embodiment of the present disclosure provides a first network device, wherein the second network device includes:
  • the transceiver module is configured to receive a first signal sent by a terminal or a second signal sent by a second network device; wherein the first signal and the second signal are used to wake up the first cell; the first cell is a cell in a dormant state, and the second cell is a cell associated with the first cell; the first cell is a cell of the first network device, and the second cell is a cell of the second network device.
  • an embodiment of the present disclosure provides an information indication system, wherein a communication system includes a terminal, a first network device, and a second network device, the terminal is configured to implement the method described in the optional implementation manner of the first aspect, the second network device is configured to implement the method described in the optional implementation manner of the second aspect, and the first network device is configured to implement the method described in the optional implementation manner of the third aspect.
  • an embodiment of the present disclosure provides a terminal, the terminal including:
  • processors one or more processors
  • the terminal is used to execute the communication method provided by the first aspect.
  • an embodiment of the present disclosure provides a second network device, the second network device comprising:
  • processors one or more processors
  • the second network device is used to execute the communication method provided by the second aspect.
  • an embodiment of the present disclosure provides a first network device, the first network device comprising:
  • processors one or more processors
  • the first network device is used to execute the communication method provided by the third aspect.
  • an embodiment of the present disclosure provides a storage medium, wherein the storage medium stores instructions, and when the instructions are executed on a communication device, the communication device executes the method described in the optional implementation of the first aspect, the second aspect and the third aspect.
  • an embodiment of the present disclosure proposes a program product.
  • the communication device executes the method described in the optional implementation manner of the first aspect, the second aspect and the third aspect.
  • an embodiment of the present disclosure proposes a computer program, which, when executed on a computer, enables the computer to execute the method described in the optional implementation of the first aspect, the second aspect, and the third aspect.
  • an embodiment of the present disclosure provides a chip or a chip system.
  • the chip or chip system includes a processing circuit configured to execute the method described in the optional implementation of the first aspect, the second aspect, and the third aspect.
  • the embodiments of the present disclosure provide a communication method, a terminal, a network device, a communication system and a storage medium.
  • the terms such as communication method, information processing method, information transmission method, etc. can be replaced with each other, and the terms such as communication system, information processing system, etc. can be replaced with each other.
  • each step in a certain embodiment can be implemented as an independent embodiment, and the steps can be arbitrarily combined.
  • a solution after removing some steps in a certain embodiment can also be implemented as an independent embodiment, and the order of the steps in a certain embodiment can be arbitrarily exchanged.
  • the optional implementation methods in a certain embodiment can be arbitrarily combined; in addition, the embodiments can be arbitrarily combined, for example, some or all of the steps of different embodiments can be arbitrarily combined, and a certain embodiment can be arbitrarily combined with the optional implementation methods of other embodiments.
  • elements expressed in the singular form such as “a”, “an”, “the”, “above”, “said”, “aforementioned”, “this”, etc., may mean “one and only one", or “one or more”, “at least one”, etc.
  • the noun after the article may be understood as a singular expression or a plural expression.
  • plurality refers to two or more.
  • the terms "at least one of”, “one or more”, “a plurality of”, “multiple”, etc. can be used interchangeably.
  • "at least one of A and B", “A and/or B", “A in one case, B in another case”, “in response to one case A, in response to another case B”, etc. may include the following technical solutions according to the situation: in some embodiments, A (A is executed independently of B); in some embodiments, B (B is executed independently of A); in some embodiments, execution is selected from A and B (A and B are selectively executed); in some embodiments, A and B (both A and B are executed). When there are more branches such as A, B, C, etc., the above is also similar.
  • the recording method of "A or B” may include the following technical solutions according to the situation: in some embodiments, A (A is executed independently of B); in some embodiments, B (B is executed independently of A); in some embodiments, execution is selected from A and B (A and B are selectively executed).
  • A A is executed independently of B
  • B B is executed independently of A
  • execution is selected from A and B (A and B are selectively executed).
  • prefixes such as “first” and “second” in the embodiments of the present disclosure are only used to distinguish different description objects, and do not constitute restrictions on the position, order, priority, quantity or content of the description objects.
  • the statement of the description object refers to the description in the context of the claims or embodiments, and should not constitute unnecessary restrictions due to the use of prefixes.
  • the description object is a "field”
  • the ordinal number before the "field” in the "first field” and the "second field” does not limit the position or order between the "fields”
  • the "first” and “second” do not limit whether the "fields” they modify are in the same message, nor do they limit the order of the "first field” and the "second field”.
  • the description object is a "level”
  • the ordinal number before the "level” in the “first level” and the “second level” does not limit the priority between the "levels”.
  • the number of description objects is not limited by the ordinal number, and can be one or more. Taking the "first device” as an example, the number of "devices” can be one or more.
  • the objects modified by different prefixes may be the same or different. For example, if the description object is "device”, then the “first device” and the “second device” may be the same device or different devices, and their types may be the same or different. For another example, if the description object is "information”, then the "first information” and the “second information” may be the same information or different information, and their contents may be the same or different.
  • “including A”, “comprising A”, “used to indicate A”, and “carrying A” can be interpreted as directly carrying A or indirectly indicating A.
  • terms such as “greater than”, “greater than or equal to”, “not less than”, “more than”, “more than or equal to”, “not less than”, “higher than”, “higher than or equal to”, “not lower than”, and “above” can be replaced with each other, and terms such as “less than”, “less than or equal to”, “not greater than”, “less than”, “less than or equal to”, “no more than”, “lower than”, “lower than or equal to”, “not higher than”, and “below” can be replaced with each other.
  • devices and equipment may be interpreted as physical or virtual, and their names are not limited to the names recorded in the embodiments. In some cases, they may also be understood as “equipment”, “device”, “circuit”, “network element”, “node”, “function”, “unit”, “section”, “system”, “network”, “chip”, “chip system”, “entity”, “subject”, etc.
  • network can be interpreted as devices included in the network, such as access network equipment, core network equipment, etc.
  • access network device may also be referred to as “radio access network device (RAN device)", “base station (BS)”, “radio base station (radio base station)”, “fixed station” and in some embodiments may also be understood as “node”, “access point (access point)”, “transmission point (TP)”, “reception point (RP)”, “transmission and/or reception point (transmission/reception point, TRP)", “panel”, “antenna panel”, “antenna array”, “cell”, “macro cell”, “small cell”, “femto cell”, “pico cell”, “sector”, “cell group”, “serving cell”, “carrier”, “component carrier”, “bandwidth part (bandwidth part, BWP)", etc.
  • RAN device radio access network device
  • base station base station
  • RP radio base station
  • TRP transmission and/or reception point
  • terminal or “terminal device” may be referred to as "user equipment (UE)", “user terminal (user terminal)”, “mobile station (MS)”, “mobile terminal (MT)", subscriber station, mobile unit, subscriber unit, wireless unit, remote unit, mobile device, wireless device, wireless communication device, remote device, mobile subscriber station, access terminal, mobile terminal, wireless terminal, remote terminal, handset, user agent, mobile client, client, etc.
  • UE user equipment
  • MS mobile station
  • MT mobile terminal
  • acquisition of data, information, etc. may comply with the laws and regulations of the country where the data is obtained.
  • data, information, etc. may be obtained with the user's consent.
  • each element, each row, or each column in the table of the embodiments of the present disclosure may be implemented as an independent embodiment, and the combination of any elements, any rows, and any columns may also be implemented as an independent embodiment.
  • FIG. 1 a is a schematic diagram showing the architecture of a communication system according to an embodiment of the present disclosure.
  • a communication system 100 includes a terminal 101 , a first network device 102 , and a second network device 103 .
  • the terminal is in a cell of a second network device.
  • a network connection is established between the terminal and the second network device.
  • the first network device and the second network device are adjacent network devices.
  • a cell of the first network device overlaps with a cell of the second network device.
  • the network device may include at least one of an access network device and a core network device.
  • the terminal 101 includes, for example, a mobile phone, a wearable device, an Internet of Things device, a car with communication function, a smart car, a tablet computer (Pad), a computer with wireless transceiver function, a virtual reality (VR) terminal device, an augmented reality (AR) terminal device, a wireless terminal device in industrial control, a wireless terminal device in self-driving, a wireless terminal device in remote medical surgery, a wireless terminal device in a smart grid, a wireless terminal device in transportation safety, a wireless terminal device in a smart city, and at least one of a wireless terminal device in a smart home, but is not limited to these.
  • a mobile phone a wearable device, an Internet of Things device, a car with communication function, a smart car, a tablet computer (Pad), a computer with wireless transceiver function, a virtual reality (VR) terminal device, an augmented reality (AR) terminal device, a wireless terminal device in industrial control, a wireless terminal device in self-driving, a wireless terminal device
  • the access network device may be, for example, a node or device that accesses the terminal to the wireless network.
  • the access network device may include an evolved NodeB (eNB), a next generation evolved NodeB (ng-eNB), a next generation NodeB (gNB), a NodeB (NB), a home NodeB (home).
  • eNB evolved NodeB
  • ng-eNB next generation evolved NodeB
  • gNB next generation NodeB
  • NB NodeB
  • NB home NodeB
  • the invention relates to at least one of a wireless communication system, a home evolved node B (HNB), a home evolved node B (HeNB), a wireless backhaul device, a radio network controller (RNC), a base station controller (BSC), a base transceiver station (BTS), a base band unit (BBU), a mobile switching center, a base station in a 6G communication system, an open base station (Open RAN), a cloud base station (Cloud
  • the technical solution of the present disclosure may be applicable to the Open RAN architecture.
  • the interfaces between access network devices or within access network devices involved in the embodiments of the present disclosure may become internal interfaces of Open RAN, and the processes and information interactions between these internal interfaces may be implemented through software or programs.
  • the access network device may be composed of a centralized unit (central unit, CU) and a distributed unit (distributed unit, DU), wherein the CU may also be called a control unit (control unit).
  • the CU-DU structure may be used to split the protocol layer of the access network device, with some functions of the protocol layer being centrally controlled by the CU, and the remaining part or all of the functions of the protocol layer being distributed in the DU, and the DU being centrally controlled by the CU, but not limited to this.
  • the core network device may be a device including one or more network elements, or may be multiple devices or device groups, each including all or part of the one or more network elements.
  • the network element may be virtual or physical.
  • the core network may include, for example, at least one of the Evolved Packet Core (EPC), the 5G Core Network (5GCN), and the Next Generation Core (NGC).
  • EPC Evolved Packet Core
  • 5GCN 5G Core Network
  • NGC Next Generation Core
  • the communication system described in the embodiment of the present disclosure is for the purpose of more clearly illustrating the technical solution of the embodiment of the present disclosure, and does not constitute a limitation on the technical solution provided by the embodiment of the present disclosure.
  • a person skilled in the art can know that with the evolution of the system architecture and the emergence of new business scenarios, the technical solution provided by the embodiment of the present disclosure is also applicable to similar technical problems.
  • the following embodiments of the present disclosure may be applied to the communication system 100 shown in FIG. 1a, or part of the subject, but are not limited thereto.
  • the subjects shown in FIG. 1a are examples, and the communication system may include all or part of the subjects in FIG. 1a, or may include other subjects other than FIG. 1a, and the number and form of the subjects are arbitrary, and the connection relationship between the subjects is an example, and the subjects may be connected or disconnected, and the connection may be in any manner, which may be a direct connection or an indirect connection, and may be a wired connection or a wireless connection.
  • LTE Long Term Evolution
  • LTE-A LTE-Advanced
  • LTE-B LTE-Beyond
  • SUPER 3G IMT-Advanced
  • 4G the fourth generation mobile communication system
  • 5G 5G new radio
  • FAA Future Radio Access
  • RAT New Radio
  • NR New Radio
  • NX New radio access
  • the present invention relates to wireless communication systems such as LTE, Wi-Fi (X), Global System for Mobile communications (GSM (registered trademark)), CDMA2000, Ultra Mobile Broadband (UMB), IEEE 802.11 (Wi-Fi (registered trademark)), IEEE 802.16 (WiMAX (registered trademark)), IEEE 802.20, Ultra-WideBand (UWB), Bluetooth (registered trademark), Public Land Mobile Network (PLMN) network, Device to Device (D2D) system, Machine to Machine (M2M) system, Internet of Things (IoT) system, Vehicle to Everything (V2X), systems using other communication methods, and next-generation systems expanded based on them.
  • PLMN Public Land Mobile Network
  • D2D Device to Device
  • M2M Machine to Machine
  • IoT Internet of Things
  • V2X Vehicle to Everything
  • systems using other communication methods and next-generation systems expanded based on them.
  • next-generation systems expanded based on them.
  • a combination of multiple systems for example, a combination of
  • eMBB Enhanced Mobile Broadband
  • URLLC Ultra-Reliable Low-Latency Communications
  • mMTC Massive Machine Type Communications
  • eMBB still aims at users to obtain multimedia content, services and data, and its demand is growing rapidly.
  • eMBB since eMBB may be deployed in different scenarios, such as indoors, in urban areas, and in rural areas, its capabilities and requirements are also quite different, so it cannot be generalized and needs to be analyzed in detail in combination with specific deployment scenarios.
  • Typical applications of URLLC include: industrial automation, power automation, remote medical operations (surgery), traffic safety, etc.
  • Typical features of mMTC include: high connection density, small data volume, latency-insensitive services, low cost and long service life of modules, etc.
  • the energy consumption of 5G base stations is four times that of Long Term Evolution (LTE) base stations, so network energy saving is an important means for operators to reduce the cost of operating 5G systems.
  • LTE Long Term Evolution
  • a wake-up signal is introduced to save energy in a radio resource control (RRC) connected state (RRC_CONNECTED) terminal.
  • RRC radio resource control
  • An offset (offset) before the activation phase (on duration) of UE C-DRX defines a duration for sending a WUS signal.
  • a WUS signal i.e., DCI 2-6
  • PS-RNTI Power Saving Radio Network Temporary Indentifier
  • a paging WUS is introduced. That is, a paging WUS is sent at a certain time before the paging occasion (PO), that is, a paging early indication (PEI), which is used to indicate whether the terminal monitors the paging scheduling information at the PO.
  • PEI is the downlink control information (DCI) DCI 2-7, which is encrypted by PEI-RNTI.
  • a network energy saving topic is initiated.
  • the network enters energy saving mode, namely, Network Energy Saving (NES) mode
  • the cell periodically does not send and/or does not receive at certain intervals, namely, the cell discontinuously receives or transmits (DTX/DRX).
  • MIB Master Indication Block
  • SIB System Information Block
  • RACH Random Access Channel
  • the four NES functions currently supported are as follows, and are separately specified in the standard: SSB-less Scell; cell DTX/DRX; Antenna port adaptation; PDSCH transmission power adaptation.
  • the concept of a sleeping cell is proposed.
  • the sleeping cell can be woken up by the UE as needed to provide services to the terminal.
  • the cell is always in the open state after network planning, actual network deployment, and network-side testing and verification.
  • the on-demand opening of the cell is not achieved, which wastes resources and power for network operation.
  • the UE sends an uplink (UL) WUS to trigger the sleeping cell to start on demand, which can maximize network energy saving and increase the flexibility of network deployment and operation.
  • UL uplink
  • the UE finds that it is close to the sleeping cell or is already in the coverage of the sleeping cell and then sends a UL WUS to wake up the cell is an uncertain problem.
  • FIG2a is an interactive schematic diagram of a communication method according to an embodiment of the present disclosure. As shown in FIG2a, the present disclosure embodiment relates to a communication method, which is used in a communication system 100, and the method includes:
  • Step S2101 The second network device sends first configuration information to the terminal.
  • the terminal receives first configuration information sent by the second network device.
  • the second cell may be a cell of a second network device.
  • the second network device sends the first configuration information to the terminal.
  • the first cell may be a cell of a first network device.
  • the second cell may be a neighboring cell of the first cell.
  • the first cell and the second cell have overlapping signal coverage or adjacent signal coverage.
  • the first cell may be a sleeping cell.
  • the first configuration information is at least used by the terminal to determine the signal coverage range and/or to wake up the first cell.
  • the second network device broadcasts the first configuration information to the terminal.
  • the terminal receives the first configuration information sent by the second cell through a system information block SIB, wherein the first configuration information is carried in the SIB.
  • the SIB may be SIB1 of the second cell or a newly defined SIB.
  • the first configuration information includes an identifier of the first cell.
  • the identification includes at least one of the following:
  • PCI Physical Cell Identifier
  • TAC Tracking Area Code
  • the beam of the first cell is transmitted in a manner.
  • the sending mode may be indicated by at least one of the following information:
  • the number of beams (e.g., the maximum number of beams);
  • the beam transmission method can be used for the transmission of SSB and/or SIB1, and can also be used for the transmission of a discovery reference signal (DRS) (if DRS exists).
  • DRS discovery reference signal
  • the first configuration information includes a frequency of the first cell.
  • the frequency point may be a frequency point of a frequency layer, for example, a frequency point of SSB and/or a frequency point of UL WUS.
  • the first configuration information includes a list of slices supported by the first cell.
  • the first configuration information includes public configuration information of the first cell.
  • the common configuration information may be RACH-related configuration information.
  • the first configuration information includes a preamble resource and/or a random access channel opportunity RO resource reserved for the terminal to send the first information to the second cell.
  • the first configuration information includes configuration information of an uplink UL wake-up signal WUS.
  • the configuration information of the UL WUS includes at least one of the following:
  • Preamble index or sequence reserved for UL WUS Preamble index or sequence reserved for UL WUS
  • the RO resources are used to send WUS, exemplarily, for calculating parameters for sending the initial power of UL WUS or directly the initial power of UL WUS sending.
  • the first configuration information includes configuration information of a synchronization signal block SSB and/or a system information block SIB of the first cell.
  • the first configuration information may include all or part of the configuration information of the SSB and/or SIB1 of the first cell.
  • the first configuration information includes a downlink DL timing offset between the first cell and the second cell.
  • the DL timing offset is used for communication synchronization.
  • a DL signal set indicates a signal coverage range of the first cell.
  • the DL signal set may include one of the following:
  • CSI-RS Channel-State Information reference Signal
  • the DL signal set is used by the terminal to determine whether the terminal is close to the first cell or is already in the signal coverage of the first cell. Exemplarily, it can be determined based on the value of the wireless transmission quality of the reference signal in the DL signal set. If the value of the wireless transmission quality is greater than a certain threshold, it can be determined that the terminal is close to or in the signal coverage of the first cell.
  • the first configuration information is configuration information of a discovery reference signal DRS of the first cell.
  • the configuration information of the DRS may include at least one of the following:
  • the first configuration information includes conditional configuration information for determining whether the terminal is close to or within the coverage of the first cell.
  • the conditional configuration information may include a threshold value, which is used to determine whether the measured value of the target reference signal is greater than or less than the threshold value.
  • the threshold value may be configured on a per-beam basis (i.e., one beam corresponds to one threshold value), or may be configured on a per-beam group basis (i.e., all beams in each beam group correspond to one threshold value).
  • the beam may be a CSI-RS or SSB beam.
  • the measurement quantity for the target reference signal may be Reference Signal Received Power (RSRP), Reference Signal Received Quality (RSRQ), or Signal to Interference plus Noise Ratio (SINR).
  • RSRP Reference Signal Received Power
  • RSSQ Reference Signal Received Quality
  • SINR Signal to Interference plus Noise Ratio
  • the measurement quantity may be network configured.
  • this threshold value can also be configured based on each CSI-RS (per CSI-RS, one threshold value corresponds to one CSI-RS), each CSI-RS group (CSI-RS group, multiple CSI-RS in a group correspond to one threshold value), each SSB index (per SSB index, one SSB corresponds to one threshold value) or each SSB index group (SSB index group, multiple SSBs in a group correspond to one threshold value).
  • the threshold value may also be configured based on the CSI-RS and SSB index group, that is, the CSI-RS and SSB index may correspond to one threshold value together.
  • the measured value for evaluation may be determined on a per beam basis. For example, it may be determined on a per CSI-RS or SSB basis.
  • the estimated measurement value may also be determined based on a linear average of at least one beam, for example, based on The linear average of the measured values of a group of CSI-RS or a group of SSB is determined.
  • the first configuration information includes indication information that determines, based on DRS measurement, that the terminal is close to or in the coverage of the first cell.
  • if there is a DRS in the first cell it can be determined based on DRS measurement whether the cell is close to the first cell or is already in the coverage of the first cell.
  • the DRS in response to the first cell supporting DRS, it is determined whether to start detection and/or measurement of the DRS based on indication information of the DL signal set.
  • the embodiment includes:
  • Step b1 the first network device and the second network device perform network energy saving (NES) state interaction;
  • NES network energy saving
  • Step b2 The second network device sends the cell configuration of the sleeping cell to the terminal;
  • Step b3 the terminal sends an uplink wake-up signal to the first network device
  • Step b4 The first network device sends SSB, SIB1 or other SIBs to the terminal.
  • the embodiment includes:
  • Step c0 The first network device and the second network device perform network energy saving (NES) state interaction;
  • NES network energy saving
  • Step c1 the second network device sends the cell configuration of the sleeping cell to the terminal;
  • Step c2 The first network device sends a downlink DRS to the terminal;
  • Step c3 the terminal sends an uplink wake-up signal to the first network device
  • Step c4 The first network device sends SSB, SIB1 or other SIBs to the terminal.
  • this step S2010 may correspond to step b2 in FIG. 2b , and may correspond to step c1 in FIG. 2c .
  • Step S2102 The terminal determines that the terminal is close to or in the signal coverage of the first cell.
  • the terminal based on the first configuration information, it is determined whether the terminal is close to or in the signal coverage of the first cell.
  • the first cell does not support DRS, and based on the indication information of the DL signal set in the first configuration information, it is determined whether the terminal is close to or in the signal coverage of the first cell. Exemplarily, if it is determined based on the signal in the DL signal set that the wireless transmission quality of the corresponding signal is within a predetermined range, it is determined that the terminal is in the signal coverage of the first cell, otherwise, the terminal is not in the signal coverage of the first cell.
  • the first cell supports DRS, and based on the configuration information of the DRS in the first configuration information and the measurement result of the DRS, it is determined whether the terminal is close to or in the signal coverage of the first cell. Exemplarily, if the measured wireless transmission quality of the DRS is within a predetermined range, it is determined that the terminal is in the signal coverage of the first cell, otherwise, the terminal is not in the signal coverage of the first cell.
  • Step S2103 The terminal sends a first signal to the first network device or sends a first message to the second network device.
  • the terminal is close to or in the signal coverage of the first cell, and the first operation or the second operation is performed.
  • the first operation is to send a first signal to the first network device.
  • Figures 2b and 2c which may correspond to step b3 in Figure 2b and step c3 in Figure 2c.
  • the first signal is UL WUS.
  • the second operation is sending the first information to the second network device.
  • the first signal is used to wake up the first cell.
  • the first information is used to trigger the second network device to send a signal for waking up the first cell to the first network device.
  • the second network device after receiving the first information, sends a second signal to the first network device to wake up the first cell.
  • the terminal performs the first operation or the second operation based on the first requirement information.
  • the terminal sends the first signal to the first network device.
  • the terminal sends the first information to the second network device.
  • sending the first signal to the first network device based on a first time interval, sending the first signal to the first network device;
  • the first time interval (Gap) includes at least one of the following:
  • the time interval at which the terminal requests to obtain is the time interval at which the terminal requests to obtain.
  • the terminal in the RRC non-connected state sends a reserved preamble code to the second network device during a random access process.
  • the terminal in the RRC non-connected state sends an RRC message carrying information of the first cell to the second network device during a random access process.
  • the RRC message may be an RRCSystemInfoRequest or a newly defined RRC message.
  • a terminal in an RRC connected state sends an RRC message carrying information of the first cell to the second network device.
  • receiving a random access response message carrying the preamble code determines that the second network device has received the first information.
  • determining that the random access conflict is resolved determines that the second network device has received the first information.
  • determining that second information sent by the second network device is received determines that the second network device receives the first information.
  • SSB, SIB1 and/or paging can be sent normally, and random access can also be received normally.
  • the terminal receives third information sent by the first network device; wherein the third information is used to indicate that the first configuration information has changed.
  • a second network device receives first information sent by a terminal; wherein the first information is used to trigger the second network device to send a signal to the first network device for waking up the first cell; the first cell is a cell in a dormant state, and the second cell is a cell associated with the first cell; a second signal is sent to the first cell, and the second signal is used to wake up the first cell.
  • the second network device receives a reserved preamble code sent by the terminal.
  • the second network device receives an RRC message sent by the terminal and carrying information about the first cell.
  • the second network device after determining that the first information is received, the second network device sends a random access response message carrying the preamble code to the terminal.
  • the second network device upon determining that the first information is received, the second network device sends second information to the terminal.
  • the second network device receives fourth information sent by the first network device; wherein the fourth information is used to indicate that the first configuration information has changed.
  • the second network device upon determining that the fourth information is received, deletes the first configuration information stored locally.
  • a first network device receives a first signal sent by a terminal or a second signal sent by a second network device; wherein the first signal and the second signal are used to wake up the first cell; the first cell is a cell in a dormant state, and the second cell is a cell associated with the first cell.
  • fourth information is sent to the second network device, and/or third information is sent to the terminal.
  • the term "information” can be interchangeably with terms such as “message”, “signal”, “signaling”, “report”, “configuration”, “indication”, “instruction”, “command”, “channel”, “parameter”, “field”, and "data”.
  • the term “send” can be interchangeable with terms such as “transmit”, “report”, and “transmit”.
  • the information indication method involved in the embodiments of the present disclosure may include at least one of steps S2101 to S2103.
  • step S2101 may be implemented as an independent embodiment
  • step S2102 may be implemented as an independent embodiment
  • step S2103 may be implemented as an independent embodiment
  • step S2101 combined with step S2103 may be implemented as an independent embodiment
  • step S2102 combined with step S2103 may be implemented as an independent embodiment, but is not limited thereto.
  • FIG3a is a flow chart of a communication method according to an embodiment of the present disclosure. As shown in FIG3a, the present disclosure embodiment relates to a communication method, which is executed by a terminal 101, and the method includes:
  • Step S3101 Obtain first configuration information.
  • step S3101 can refer to the optional implementation of step S2101 in Figure 2a and other related parts of the embodiment involved in Figure 2a, which will not be repeated here.
  • the terminal receives the first configuration information sent by the second network device, but is not limited thereto, and may also receive the first signal sent by other entities.
  • the terminal obtains first configuration information specified by the protocol.
  • the terminal performs processing to obtain the first configuration information.
  • Step S3102 Determine whether the terminal is close to or in the signal coverage of the first cell.
  • step S3102 can refer to the optional implementation of step S2102 in Figure 2a and other related parts of the embodiment involved in Figure 2a, which will not be repeated here.
  • Step S3103 Send a first signal to the first network device or send a first message to the second network device.
  • step S3203 can refer to the optional implementation of step S2103 in Figure 2a and other related parts of the embodiment involved in Figure 2a, which will not be repeated here.
  • the information indication method involved in the embodiments of the present disclosure may include at least one of steps S3101 to S3103.
  • step S3101 may be implemented as an independent embodiment
  • step S3102 may be implemented as an independent embodiment
  • step S3103 may be implemented as an independent embodiment
  • step S3101 combined with step S3103 may be implemented as an independent embodiment
  • step S3102 combined with step S3103 may be implemented as an independent embodiment, but is not limited thereto.
  • FIG3b is a flow chart of a communication method according to an embodiment of the present disclosure. As shown in FIG3b, the present disclosure embodiment relates to a communication method, which is executed by a terminal 101, and the method includes:
  • Step S3201 Determine whether the terminal is close to or in the signal coverage of the first cell
  • Step S3202 Execute the first operation or the second operation
  • the first operation is an operation of sending a first signal to a first network device;
  • the second operation is an operation of sending a first information to a second network device;
  • the cell of the first network device is a first cell;
  • the cell of the second network device is a second cell;
  • the first cell is a cell in a dormant state, and the second cell is a cell associated with the first cell;
  • the first signal is used to wake up the first cell; and the first information is used to trigger the second network device to send a signal to the first network device for waking up the first cell.
  • step S3201 can refer to the optional implementation of step S2102 in Figure 2a and other related parts of the embodiment involved in Figure 2a, which will not be repeated here.
  • step S3202 can refer to the optional implementation of step S2103 in Figure 2a and other related parts of the embodiment involved in Figure 2a, which will not be repeated here.
  • performing the first operation or the second operation includes:
  • the first operation or the second operation is performed based on the first requirement information.
  • the first operation is:
  • the second operation is: determining that the first cell does not support the first signal, and sending the first information to the second network device.
  • the method further comprises:
  • the first configuration information is at least used to determine the signal coverage range and/or to wake up the first cell.
  • the first configuration information includes at least one of the following:
  • DL signal set indicates a signal coverage range of the first cell
  • Condition configuration information used to determine whether the terminal is close to or within the coverage of the first cell
  • the receiving the first configuration information sent by the second network device includes:
  • the first configuration information sent by the second network device is received through a system information block SIB.
  • the method further comprises:
  • the method further comprises:
  • the determining, based on the first configuration information, whether the terminal is close to or in a signal coverage range of the first cell includes one of the following:
  • sending the first signal to the first network device includes:
  • the first time interval includes at least one of the following:
  • the time interval at which the terminal requests to obtain is the time interval at which the terminal requests to obtain.
  • sending the first information to the second network device includes one of the following:
  • the terminal in the RRC non-connected state sends a reserved preamble code to the second network device during a random access process
  • the terminal in the RRC non-connected state sends an RRC message carrying information of the first cell to the second network device during a random access process
  • the terminal in the RRC connected state sends an RRC message carrying information of the first cell to the second network device.
  • the method further comprises one of the following:
  • the second information sent by the second network device is received, and it is determined that the second network device has received the first information.
  • the method further comprises:
  • the third information is used to indicate that the first configuration information has changed.
  • the first signal is UL WUS.
  • FIG4a is a flow chart of a communication method according to an embodiment of the present disclosure. As shown in FIG4a, the present disclosure embodiment relates to a communication method, which is executed by the second network device 102 (corresponding to the second cell), and the method includes:
  • Step S4101 Send first configuration information.
  • step S4101 can refer to the optional implementation of step S2101 in Figure 2a and other related parts of the embodiment involved in Figure 2a, which will not be repeated here.
  • Step S4102 Obtain first information.
  • the first information is used to trigger the second network device to send a signal for waking up the first cell to the first network device.
  • step S4102 can refer to the optional implementation of step S2103 in FIG. 2a and other related parts in the embodiment involved in FIG. 2a, which will not be described in detail here.
  • the first network device receives the first information sent by the terminal, but is not limited thereto, and may also receive the first information sent by other entities.
  • the first network device obtains first information specified by a protocol.
  • the first network device obtains the first information from an upper layer(s).
  • the first network device performs processing to obtain the first information.
  • step S4102 is omitted, and the terminal autonomously implements the function indicated by the first information, or the above function is default or acquiescent.
  • Step S4103 Send a second signal.
  • step S4103 can refer to the optional implementation of step S2103 in FIG. 2a and other related parts in the embodiment involved in FIG. 2a, which will not be described in detail here.
  • the information indication method involved in the embodiment of the present disclosure may include at least one of steps S4101 to S4103.
  • step S4101 may be implemented as an independent embodiment
  • step S4102 may be implemented as an independent embodiment
  • step S4103 may be implemented as an independent embodiment, but is not limited thereto.
  • FIG4b is a flow chart of a communication method according to an embodiment of the present disclosure. As shown in FIG4b, the present disclosure embodiment relates to a communication method, which is executed by the second network device 102, and the method includes:
  • Step S4201 receiving first information
  • the first information is used to trigger the second network device to send a signal to the first network device for waking up the first cell;
  • the first cell is a cell in a dormant state, and the second cell is a cell associated with the first cell;
  • the first cell is a cell of the first network device, and the second cell is a cell of the second network device.
  • step S4201 can refer to the optional implementation of step S2103 in Figure 2a and other related parts of the embodiment involved in Figure 2a, which will not be repeated here.
  • Step S4201 sending a second signal
  • step S4201 can refer to the optional implementation of step S2103 in Figure 2a and other related parts of the embodiment involved in Figure 2a, which will not be repeated here.
  • the first information sent by the receiving terminal includes one of the following:
  • the method further comprises one of the following:
  • Second information is sent to the terminal.
  • the method further comprises:
  • the method further comprises:
  • the first signal is UL WUS.
  • FIG5a is a flow chart of a communication method according to an embodiment of the present disclosure. As shown in FIG4a, the present disclosure embodiment relates to a communication method, which is executed by a first network device 103 (corresponding to a first cell), and the method includes:
  • Step S5101 Receive a first signal or a second signal.
  • step S5101 can refer to the optional implementation of step S2103 in Figure 2a and other related parts of the embodiment involved in Figure 2a, which will not be repeated here.
  • FIG5b is a flow chart of a communication method according to an embodiment of the present disclosure. As shown in FIG4b, the present disclosure embodiment relates to a communication method, which is executed by the first network device 102 (corresponding to the first cell), and the method includes:
  • Step S5201 Receive a first signal sent by a terminal or a second signal sent by a second network device.
  • the first signal and the second signal are used to wake up the first cell; the first cell is a cell in a dormant state, and the second cell is a cell associated with the first cell; the first cell is a cell of the first network device, and the second cell is a cell of the second network device.
  • step S5201 can refer to the optional implementation of step S2103 in Figure 2a and other related parts of the embodiment involved in Figure 2a, which will not be repeated here.
  • the method further comprises:
  • the first signal is UL WUS.
  • FIG6a is an interactive schematic diagram of a communication method according to an embodiment of the present disclosure. As shown in FIG5a, the present disclosure embodiment relates to a communication method, which is used in a communication system 100, and the method includes one of the following steps:
  • Step S6101 The terminal determines that the terminal is close to or in the signal coverage of the first cell.
  • step S6101 can refer to the optional implementation of step S2102 in FIG. 2a and other related parts of the embodiment involved in FIG. 2a, which will not be described in detail here.
  • Step S6102 The terminal sends a first signal to the first network device.
  • Step S6103 Send the first information to the second network device:. It should be noted that only one of step S6102 and step S6103 can be performed;
  • the first cell is a cell in a dormant state
  • the second cell is a cell associated with the first cell
  • the first signal is used to wake up the first cell
  • the first information is used to trigger the second network device to send a signal to the first network device for waking up the first cell
  • the first cell is a cell of the first network device
  • the cell of the second network device is a second cell.
  • step S6102 and step S6103 can refer to the optional implementation of step S2103 in FIG. 2a and other related parts of the embodiment involved in FIG. 2a, which will not be described in detail here.
  • the above method may include the methods of the above-mentioned communication system side, terminal side, network device side, etc., which will not be repeated here.
  • technical solution 1 is provided: judging whether it is close to a sleeping cell (corresponding to the first cell) based on pre-configured CSI-RS detection and measurement.
  • the sleeping cell may have a DL discovery signal, i.e., DRS (Discovery Reference Signal), or may not have DRS.
  • DRS Discovery Reference Signal
  • a cell in a normal operation state broadcasts configuration information related to a sleeping cell, and the sleeping cell and the cell in a normal operation state (corresponding to the second cell) have overlapping coverage or adjacent coverage, that is, the sleeping cell and the cell in a normal operation state are in a neighboring cell relationship.
  • the configuration information related to the sleeping cell can be configured in the SIB1 of the normal operation cell or in a newly defined SIB.
  • the configuration information of the sleeping cell includes at least one of the following:
  • Identification information of the sleeping cell such as at least one of: PCI, cell identity, RNAC, TAC, etc.;
  • the beam transmission method of the Sleeping cell such as the period, the maximum number of beams, and the directions in which the beams are transmitted. This configuration is not only used for SSB and SIB1, but also for DRS if any;
  • Frequency information of the Sleeping cell such as frequency layer, SSB frequency, UL WUS frequency, etc.
  • Public configuration information of the Sleeping cell such as RACH-related configuration information
  • Configuration information of UL WUS such as the preamble index or sequence reserved for UL WUS, and/or the configuration information of RO resources of random access channel timing.
  • the RO resources are used to send WUS. Parameters used to calculate the initial power of sending UL WUS, or directly the initial power of UL WUS sending;
  • a DL signal set wherein the DL signal set indicates the coverage of a sleeping cell.
  • the DL signal set includes a CSI-RS set, an SSB set, or a set including CSI-RS and SSB.
  • the DL signal set is used by the UE to evaluate whether the UE is close to a sleeping cell or is already in the coverage of a sleeping cell;
  • Threshold configuration based on whether DRS measurement is close to sleeping cells, measurement quantity configuration, etc. (Similar to the following one, but based on DRS measurement);
  • Conditional configuration information used to evaluate whether the UE is close to a sleeping cell or is already within the coverage of a sleeping cell such as whether the measured target signal is greater than or less than the threshold configured on the network side. Whether it is greater than or less than can be configured per beam (this beam can be CSI-RS or SSB) or per beam group.
  • the measurement quantity is RSRP or RSRQ or SINR, depending on the network side configuration.
  • This threshold configuration can be per CSI-RS or CSI-RS group, or per SSB index, or SSB index group, or CSI-RS and SSB index group.
  • the measurement value used for evaluation can be per beam, that is, per CSI-RS or SSB. It can be a linear average based on at least one beam, such as a group of CSI-RS or a group of SSB;
  • DRS Downlink Reference Signal
  • the measurement and evaluation of the above-mentioned DL signal set can be used to indicate whether to start the detection and measurement of DRS.
  • the terminal determines whether it is close to a sleeping cell based on the above configuration. If so, it can send a UL WUS to wake up the sleeping cell as needed.
  • the network side configures a Gap for sending UL WUS.
  • the Gap can be periodic or based on a one-time gap, i.e., a one-shot gap.
  • the Gap can be based on an event-triggered effective gap or a UE-requested gap.
  • the Sleeping cell after the Sleeping cell wakes up, it sends SSB, SIB1, paging if any, and receives the random access process normally.
  • technical solution 2 is provided: the UL WUS without a sleeping cell sends a wake-up request signal to the normally operating cell.
  • a cell in a normal operation state broadcasts configuration information related to a sleeping cell, and the sleeping cell and the cell in a normal operation state have overlapping coverage or adjacent coverage, that is, the sleeping cell and the cell in a normal operation state are in a neighboring cell relationship.
  • the configuration information related to the sleeping cell can be configured in the SIB1 of the normal operation cell or in a newly defined SIB.
  • the configuration information of the sleeping cell includes at least one of the following:
  • Identification information of the sleeping cell such as at least one of: PCI, cell identity, RNAC, TAC, etc.;
  • the beam transmission method of the Sleeping cell such as the period, the maximum number of beams, and the directions in which the beams are transmitted. This configuration is not only used for SSB and SIB1, but also for DRS if any;
  • Frequency information of the Sleeping cell such as frequency layer, SSB frequency, UL WUS frequency, etc.
  • Public configuration information of the Sleeping cell such as RACH-related configuration information
  • a DL signal set wherein the DL signal set indicates the coverage of a sleeping cell.
  • the DL signal set includes a CSI-RS set, an SSB set, or a set including CSI-RS and SSB.
  • the DL signal set is used by the UE to evaluate whether the UE is close to a sleeping cell or is already in the coverage of a sleeping cell;
  • Threshold configuration based on whether DRS measurement is close to sleeping cells, measurement quantity configuration, etc. (Similar to the following one, but based on DRS measurement);
  • Conditional configuration information used to evaluate whether the UE is close to a sleeping cell or is already within the coverage of a sleeping cell such as whether the measured target signal is greater than or less than the threshold configured on the network side. Whether it is greater than or less than can be configured per beam (this beam can be CSI-RS or SSB) or per beam group.
  • the measurement quantity is RSRP or RSRQ or SINR, depending on the network side configuration.
  • This threshold configuration can be per CSI-RS or CSI-RS group, or per SSB index, or SSB index group, or CSI-RS and SSB index group.
  • the measurement value used for evaluation can be per beam, that is, per CSI-RS or SSB. It can be a linear average based on at least one beam, such as a group of CSI-RS or a group of SSB;
  • If there is a DRS in the sleeping cell it can be determined based on the DRS measurement whether it is close to the sleeping cell or is already in the coverage of the sleeping cell;
  • the measurement and evaluation of the above-mentioned DL signal set can be used to indicate whether to start the detection and measurement of DRS.
  • the terminal determines whether it is close to a sleeping cell based on the above configuration. If so, it can send a request to wake up the sleeping cell to the normal operating cell as needed:
  • the UE sends a reserved preamble to the normally operating cell. If a RAR containing the preamble ID is received, it is considered that a request command has been received, and the normally operating cell notifies the sleeping cell to wake up.
  • the UE sends a random access procedure to a normal operating cell, and requests the target sleeping cell to be awakened through an RRC message (the RRC message may be an RRCSystemInfoRequest or a newly defined RRC message), wherein the RRC message carries the target cell requested to be awakened. If the conflict is resolved successfully, it is considered that the request command has been received. The normally operating cell notifies the sleeping cell to wake up.
  • RRC dedicated signaling is sent to the normally operating cell, and the RRC dedicated signaling carries the target cell requested to be woken up. After the normally operating cell receives the command, the normally operating cell notifies the sleeping cell to wake up.
  • the Sleeping cell after the Sleeping cell wakes up, it sends SSB, SIB1, paging if any, and receives the random access process normally.
  • a technical solution 3 is provided: based on the change of the sleeping cell state, the system broadcast of the normal operating cell is changed.
  • the sleeping cell when the sleeping cell is in the awake state, it broadcasts whether the relevant configuration information in the normal operating cell needs to be configured, and whether the terminal needs to be notified in time to receive the changed configuration if it needs to be changed.
  • the normal operating cell when the sleeping cell is in the awake state and wakes up from the sleeping state, the normal operating cell is notified of the change in state, and the normal operating cell removes the configuration of the sleeping cell. However, the terminal of the cell is not notified of the change in the configuration, that is, no paging message is sent.
  • the normal operating cell when the sleeping cell is in the awake state and wakes up from the sleeping state, the normal operating cell is notified of the change in state, and the normal operating cell removes the configuration of the sleeping cell.
  • the terminal of the cell is notified of the change in the configuration, that is, a paging message is sent, and the system broadcast information change indication in the paging DCI is reused, or an indication information is redefined in the paging DCI to specifically indicate the change in the configuration related to the sleeping cell.
  • the normal operating cell when the sleeping cell is in the awake state and wakes up from the sleeping state, the normal operating cell is not notified of the change in state, and the normal operating cell does not remove the configuration of the sleeping cell.
  • the embodiments of the present disclosure also propose a device for implementing any of the above methods, for example, a device is proposed, the above device includes a unit or module for implementing each step performed by the terminal in any of the above methods.
  • a device is also proposed, including a unit or module for implementing each step performed by a network device (such as an access network device, a core network function node, a core network device, etc.) in any of the above methods.
  • a network device such as an access network device, a core network function node, a core network device, etc.
  • the division of the units or modules in the above device is only a division of logical functions, which can be fully or partially integrated into one physical entity or physically separated in actual implementation.
  • the units or modules in the device can be implemented in the form of a processor calling software: for example, the device includes a processor, the processor is connected to a memory, and instructions are stored in the memory.
  • the processor calls the instructions stored in the memory to implement any of the above methods or implement the functions of the units or modules of the above device, wherein the processor is, for example, a general-purpose processor, such as a central processing unit (CPU) or a microprocessor, and the memory is a memory inside the device or a memory outside the device.
  • CPU central processing unit
  • microprocessor a microprocessor
  • the units or modules in the device may be implemented in the form of hardware circuits, and the functions of some or all of the units or modules may be implemented by designing the hardware circuits.
  • the hardware circuits may be understood as one or more processors; for example, in one implementation, the hardware circuits are application-specific integrated circuits (ASICs), and the functions of some or all of the above units or modules may be implemented by designing the logical relationship of the components in the circuits; for another example, in another implementation, the hardware circuits may be implemented by programmable logic devices (PLDs), and Field Programmable Gate Arrays (FPGAs) may be used as an example, which may include a large number of logic gate circuits, and the connection relationship between the logic gate circuits may be configured by configuring the configuration files, thereby implementing the functions of some or all of the above units or modules. All units or modules of the above devices may be implemented in the form of software called by the processor, or in the form of hardware circuits, or in the form of software called by the processor, and the remaining part may be implemented in
  • the processor is a circuit with signal processing capability.
  • the processor may be a circuit with instruction reading and execution capability, such as a central processing unit (CPU), a microprocessor, a graphics processing unit (GPU) (which may be understood as a microprocessor), or a digital signal processor (DSP); in another implementation, the processor may implement certain functions through the logical relationship of a hardware circuit, and the logical relationship of the above hardware circuit may be fixed or reconfigurable, such as a hardware circuit implemented by an application-specific integrated circuit (ASIC) or a programmable logic device (PLD), such as an FPGA.
  • ASIC application-specific integrated circuit
  • PLD programmable logic device
  • the process of the processor loading a configuration document to implement the hardware circuit configuration may be understood as the process of the processor loading instructions to implement the functions of some or all of the above units or modules.
  • it may also be a hardware circuit designed for artificial intelligence, which may be understood as an ASIC, such as a neural network processing unit (NPU), a tensor processing unit (TPU), a deep Deep learning processing unit (DPU), etc.
  • NPU neural network processing unit
  • TPU tensor processing unit
  • DPU deep Deep learning processing unit
  • FIG7a is a schematic diagram of the structure of the terminal proposed in an embodiment of the present disclosure.
  • the terminal 7100 may include: at least one of a transceiver module 7101, a processing module 7102, etc.
  • the transceiver module is used to receive the first information.
  • the transceiver module is used to execute at least one of the communication steps such as sending and/or receiving (for example, step S2101, but not limited to this) executed by the terminal 101 in any of the above methods, which will not be repeated here.
  • the processing module is used to execute at least one of the other steps (for example, step S2102) executed by the terminal 101 in any of the above methods, which will not be repeated here.
  • FIG7b is a schematic diagram of the structure of the first network device proposed in an embodiment of the present disclosure.
  • the first network device 7200 may include: at least one of a transceiver module 7201, a processing module 7202, etc.
  • the transceiver module is used to send the first information.
  • the transceiver module is used to perform at least one of the communication steps such as sending and/or receiving performed by the first network device 102 in any of the above methods, which will not be repeated here.
  • the transceiver module may include a sending module and/or a receiving module, and the sending module and the receiving module may be separate or integrated together.
  • the transceiver module may be interchangeable with the transceiver.
  • the processing module is used to perform at least one of the other steps performed by the first network device 102 in any of the above methods, which will not be repeated here.
  • FIG7c is a schematic diagram of the structure of the second network device proposed in an embodiment of the present disclosure.
  • the second network device 7300 may include: at least one of a transceiver module 7301, a processing module 7302, etc.
  • the transceiver module is used to send the first information.
  • the transceiver module is used to perform at least one of the communication steps such as sending and/or receiving performed by the second network device 103 in any of the above methods, which will not be repeated here.
  • the transceiver module may include a sending module and/or a receiving module, and the sending module and the receiving module may be separate or integrated together.
  • the transceiver module may be interchangeable with the transceiver.
  • the processing module is used to perform at least one of the other steps performed by the second network device 103 in any of the above methods, which will not be repeated here.
  • the processing module can be a module or include multiple submodules.
  • the multiple submodules respectively execute all or part of the steps required to be executed by the processing module.
  • the processing module can be replaced with the processor.
  • FIG8a is a schematic diagram of the structure of a communication device 8100 proposed in an embodiment of the present disclosure.
  • the communication device 8100 may be a network device (e.g., an access network device, a core network device, etc.), or a terminal (e.g., a user device, etc.), or a chip, a chip system, or a processor that supports a network device to implement any of the above methods, or a chip, a chip system, or a processor that supports a terminal to implement any of the above methods.
  • the communication device 8100 may be used to implement the method described in the above method embodiment, and the details may refer to the description in the above method embodiment.
  • the communication device 8100 includes one or more processors 8101.
  • the processor 8101 may be a general-purpose processor or a dedicated processor, for example, a baseband processor or a central processing unit.
  • the baseband processor may be used to process the communication protocol and the communication data
  • the central processing unit may be used to control the communication device (such as a base station, a baseband chip, a terminal device, a terminal device chip, a DU or a CU, etc.), execute a program, and process the data of the program.
  • the communication device 8100 is used to execute any of the above methods.
  • the communication device 8100 further includes one or more memories 8102 for storing instructions.
  • the memory 8102 may also be outside the communication device 8100.
  • the communication device 8100 further includes one or more transceivers 8103.
  • the transceiver 8103 performs at least one of the communication steps such as sending and/or receiving in the above method (for example, step S2101, step S2102, but not limited thereto), and the processor 8101 performs at least one of the other steps (for example, step S2102).
  • the transceiver may include a receiver and/or a transmitter, and the receiver and the transmitter may be separate or integrated.
  • the terms such as transceiver, transceiver unit, transceiver, transceiver circuit, etc. may be replaced with each other, the terms such as transmitter, transmission unit, transmitter, transmission circuit, etc. may be replaced with each other, and the terms such as receiver, receiving unit, receiver, receiving circuit, etc. may be replaced with each other.
  • the communication device 8100 may include one or more interface circuits 8104.
  • the interface circuit 8104 is connected to the memory 8102, and the interface circuit 8104 may be used to receive signals from the memory 8102 or other devices, and may be used to send signals to the memory 8102 or other devices.
  • the interface circuit 8104 may read instructions stored in the memory 8102 and send the instructions to the processor 8101.
  • the communication device 8100 described in the above embodiments may be a network device or a terminal, but the scope of the communication device 8100 described in the present disclosure is not limited thereto, and the structure of the communication device 8100 may not be limited by FIG. 8a.
  • the communication device may be an independent device or may be part of a larger device.
  • the communication device may be: 1) an independent integrated circuit IC, or chip, or chip system or subsystem; (2) a collection of one or more ICs, optionally, the above IC collection may also include a storage component for storing data and programs; (3) ASIC, such as a modem; (4) modules that can be embedded in other devices; (5) receivers, terminal devices, intelligent terminal devices, cellular phones, wireless devices, handheld devices, mobile units, vehicle-mounted devices, network devices, cloud devices, artificial intelligence devices, etc.; (6) others, etc.
  • Fig. 8b is a schematic diagram of the structure of a chip 8200 provided in an embodiment of the present disclosure.
  • the communication device 8100 may be a chip or a chip system
  • the chip 8200 includes one or more processors 8201, and the chip 8200 is used to execute any of the above methods.
  • the chip 8200 further includes one or more interface circuits 8202.
  • the interface circuit 8202 is connected to the memory 8203.
  • the interface circuit 8202 can be used to receive signals from the memory 8203 or other devices, and the interface circuit 8202 can be used to send signals to the memory 8203 or other devices.
  • the interface circuit 8202 can read instructions stored in the memory 8203 and send the instructions to the processor 8201.
  • the interface circuit 8202 executes at least one of the communication steps such as sending and/or receiving in the above method (for example, step S2101, step S3101, but not limited to this), and the processor 8201 executes at least one of the other steps (for example, step S2101, step S2102, but not limited to this).
  • interface circuit interface circuit
  • transceiver pin transceiver
  • the chip 8200 further includes one or more memories 8203 for storing instructions.
  • the memory 8203 may be outside the chip 8200.
  • the present disclosure also proposes a storage medium, on which instructions are stored, and when the instructions are executed on the communication device 8100, the communication device 8100 executes any of the above methods.
  • the storage medium is an electronic storage medium.
  • the storage medium is a computer-readable storage medium, but is not limited to this, and it can also be a storage medium readable by other devices.
  • the storage medium can be a non-transitory storage medium, but is not limited to this, and it can also be a temporary storage medium.
  • the present disclosure also proposes a program product, which, when executed by the communication device 8100, enables the communication device 8100 to execute any of the above methods.
  • the program product is a computer program product.
  • the present disclosure also proposes a computer program, which, when executed on a computer, causes the computer to execute any one of the above methods.

Landscapes

  • Mobile Radio Communication Systems (AREA)

Abstract

Les modes de réalisation de la présente divulgation concernent un procédé de communication, un terminal, un dispositif de réseau, un système de communication et un support de stockage. Le procédé est exécuté par un terminal, et consiste à : déterminer que le terminal est proche ou dans une plage de couverture de signal d'une première cellule; et exécuter une première opération ou une seconde opération, la première opération étant une opération d'envoi d'un premier signal à un premier dispositif de réseau, la seconde opération étant une opération d'envoi de premières informations à un second dispositif de réseau, une cellule du premier dispositif de réseau étant la première cellule, une cellule du second dispositif de réseau étant une seconde cellule, la première cellule étant une cellule dans un état de sommeil, la seconde cellule étant une cellule associée à la première cellule, le premier signal étant utilisé pour réveiller la première cellule, et les premières informations étant utilisées pour déclencher le second dispositif de réseau pour envoyer au premier dispositif de réseau le signal pour réveiller la première cellule. Dans la solution technique fournie par les modes de réalisation de la présente divulgation, le mécanisme de communication peut être appliqué à une communication sans fil d'une cellule endormie.
PCT/CN2023/109445 2023-07-26 2023-07-26 Procédé de communication, terminal, dispositif de réseau, système de communication et support de stockage Pending WO2025020154A1 (fr)

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PCT/CN2023/109445 WO2025020154A1 (fr) 2023-07-26 2023-07-26 Procédé de communication, terminal, dispositif de réseau, système de communication et support de stockage

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CN104995968A (zh) * 2013-02-15 2015-10-21 高通股份有限公司 针对休眠的小区的激活过程
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