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WO2025160916A1 - Procédé de radiorecherche, dispositif de communication, système de communication et support de stockage - Google Patents

Procédé de radiorecherche, dispositif de communication, système de communication et support de stockage

Info

Publication number
WO2025160916A1
WO2025160916A1 PCT/CN2024/075352 CN2024075352W WO2025160916A1 WO 2025160916 A1 WO2025160916 A1 WO 2025160916A1 CN 2024075352 W CN2024075352 W CN 2024075352W WO 2025160916 A1 WO2025160916 A1 WO 2025160916A1
Authority
WO
WIPO (PCT)
Prior art keywords
paging
network device
information
terminal
condition
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/CN2024/075352
Other languages
English (en)
Chinese (zh)
Inventor
李丽丝
毛玉欣
沈洋
刘敏
陈栋
李小龙
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 PCT/CN2024/075352 priority Critical patent/WO2025160916A1/fr
Publication of WO2025160916A1 publication Critical patent/WO2025160916A1/fr
Pending legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W68/00—User notification, e.g. alerting and paging, for incoming communication, change of service or the like
    • H04W68/02—Arrangements for increasing efficiency of notification or paging channel

Definitions

  • the present disclosure relates to the field of communication technology, and in particular to a paging method, a communication device, a communication system, and a storage medium.
  • a network device when a network device wants to perform a related service on a terminal in an inactive state (INACTIVE) or an idle state (IDLE), the network device usually needs to page the terminal so that the terminal switches to a connected state (CONNECTED) to perform the related service.
  • INACTIVE inactive state
  • IDLE idle state
  • CONNECTED connected state
  • the present disclosure provides a paging method, a communication device, a communication system, and a storage medium.
  • a paging method is provided, which is executed by a first network device and includes:
  • first information is used to instruct the first network device to start or stop performing a first paging on the terminal
  • second information is used to indicate a condition for the first network device to start performing the first paging on the terminal and/or a condition for stopping performing the first paging, wherein the first paging is used to enhance paging for the terminal
  • a paging method is provided, which is performed by a second network device.
  • the method includes:
  • a paging method for use in a communication system, the communication system including a first network device and a second network device, the method including:
  • the second network device sends first information and/or second information to at least one first network device; wherein the first information is used to instruct the first network device to start or stop performing a first paging on the terminal, and the second information is used to indicate a condition for the first network device to start performing the first paging on the terminal and/or a condition for stopping performing the first paging, and the first paging is used to perform paging enhancement on the terminal;
  • the first network device receives the first information sent by the second network device and/or determines the second information
  • the first network device determines that a first condition is satisfied based on the second information and/or starts a first paging of the terminal based on the first information;
  • the first network device determines that a second condition is satisfied based on the second information and/or stops performing the first paging based on the first information.
  • a first network device including:
  • a processing module configured to receive first information sent by a second network device and/or determine second information; the first information is used to instruct the first network device to start or stop performing a first paging on the terminal; the second information is used to indicate a condition for the first network device to start performing the first paging on the terminal and/or a condition for stopping performing the first paging; the first paging is used to perform paging enhancement on the terminal;
  • the processing module is further configured to determine that a first condition is satisfied based on the second information and/or to start a first paging of the terminal based on the first information;
  • the processing module is further configured to determine that a second condition is satisfied based on the second information and/or to stop performing the first paging based on the first information.
  • a second network device including:
  • a transceiver module is used to send first information and/or second information to at least one first network device; wherein the first information is used to instruct the first network device to start or stop the first paging of the terminal, and the second information is used to indicate the conditions for the first network device to start the first paging of the terminal and/or the conditions for stopping the first paging, and the first paging is used to enhance the paging of the terminal.
  • a communication device including:
  • processors one or more processors
  • the processor is used to call instructions to enable the communication device to execute the paging method described in any one of the first aspect to the second aspect.
  • a communication system includes a first network device and a second network device, wherein the first network device is configured to implement the paging method described in the first aspect, and the second network device is configured to implement the paging method described in the second aspect.
  • a storage medium which stores instructions, and is characterized in that when the instructions are executed on a communication device, the communication device executes the paging method as described in any one of the first to second aspects.
  • FIG1 is a schematic diagram of the architecture of some communication systems provided by embodiments of the present disclosure.
  • FIG2A is an interactive diagram of a paging method provided in yet another embodiment of the present disclosure.
  • FIG3A is a schematic diagram of a flow chart of a paging method provided in yet another embodiment of the present disclosure.
  • FIG3B is a schematic flow chart of a paging method provided in yet another embodiment of the present disclosure.
  • FIG4A is a schematic flow chart of a paging method provided in yet another embodiment of the present disclosure.
  • FIG4B is a schematic diagram of a flow chart of a paging method provided in yet another embodiment of the present disclosure.
  • FIG5A is a schematic diagram of a flow chart of a paging method provided in yet another embodiment of the present disclosure.
  • FIG5B is an interactive diagram of a paging method provided in yet another embodiment of the present disclosure.
  • FIG5C is an interactive diagram of a paging method provided in yet another embodiment of the present disclosure.
  • FIG6A is a schematic structural diagram of a first network device provided by an embodiment of the present disclosure.
  • FIG6B is a schematic structural diagram of a second network device provided by an embodiment of the present disclosure.
  • FIG7A is a schematic structural diagram of a communication device provided by an embodiment of the present disclosure.
  • FIG7B is a schematic structural diagram of a chip provided by an embodiment of the present disclosure.
  • the embodiments of the present disclosure provide a paging method, a communication device, a communication system, and a storage medium.
  • an embodiment of the present disclosure provides a paging method, which is performed by a first network device.
  • the method includes:
  • first information is used to instruct the first network device to start or stop performing a first paging on the terminal
  • second information is used to indicate a condition for the first network device to start performing the first paging on the terminal and/or a condition for stopping performing the first paging, wherein the first paging is used to enhance paging for the terminal
  • a method for a first network device to start or stop performing a first paging on a terminal, wherein the first paging is used to perform paging enhancement on the terminal. It can be seen that the present disclosure provides a method for starting or stopping paging enhancement on a terminal. When the terminal is located in a network environment with poor channel conditions, the method of the present disclosure can be used to perform paging enhancement on the terminal, thereby improving the paging success rate of the terminal and ensuring the communication efficiency of the terminal.
  • the method of the present disclosure can also be used to stop performing paging enhancement on the terminal, thereby avoiding the occurrence of the situation where "resources are wasted due to performing paging enhancement on the terminal for a long time" and improving resource utilization.
  • the first network device and the second network device are both located in a radio access network RAN notification area where the terminal is located, the second network device is a network device that last served the terminal, and the first network device is a network device in the RAN notification area that is different from the second network device; or,
  • the first network device is a distributed unit DU
  • the second network device is a centralized unit CU.
  • the specific devices of the above-mentioned first network device and second network device are defined so that the corresponding devices can start or stop paging enhancement for the terminal by executing the method of the present disclosure, thereby improving the paging success rate of the terminal, ensuring the communication efficiency of the terminal, and improving resource utilization.
  • the first information includes any one of the following:
  • the first indication is used to instruct the first network device to start performing the first paging
  • a second indication is used to instruct the first network device to stop performing the first paging.
  • the second information includes at least one of the following information:
  • the third information being used to indicate a first cell type;
  • the first cell type being: a cell type capable of performing the first paging;
  • the fourth information being used to indicate a third condition; the third condition being used to determine a condition for starting the first paging of the terminal;
  • the fifth information being used to indicate a first number; the first number being used to determine a condition for stopping the first paging;
  • the sixth information is used to indicate first time information; the first time information is used to determine a condition for stopping the first paging;
  • the seventh information is used to indicate a first coverage area, where the first coverage area is a coverage area where the first paging can be performed.
  • the first condition includes at least one of the following:
  • the cell type of the cell corresponding to the first network device is a first cell type
  • the second paging of the first network device satisfies a third condition; wherein the third condition is used to indicate that the second paging is unsuccessful, the second paging is used to perform normal paging on the terminal, and the first paging is an enhanced paging of the second paging;
  • the cell of the first network device is within a first coverage area.
  • the method before starting the first paging of the terminal, the method further includes:
  • the eighth information is used to instruct the first network device to perform the second paging on the terminal, and the eighth information includes a paging identifier of the terminal;
  • the second paging is performed on the terminal based on the paging identifier.
  • the third condition includes at least one of the following:
  • the second condition includes at least one of the following:
  • the number of paging times of the first paging of the first network device reaches a first number
  • the first network device meets the condition indicated by the first time information
  • An access request for the second paging request from the terminal is received.
  • the specific contents of the above-mentioned first information and second information are defined, and the specific conditions of the above-mentioned first condition and second condition are defined, so that the first network device can successfully start or stop the first paging of the terminal based on the first information, the second information, the first condition, and the second condition, thereby providing a method for implementing how the first network device specifically starts or stops the first paging of the terminal.
  • the present disclosure provides a method for how to start or stop the paging enhancement of the terminal.
  • the method of the present disclosure can be used to enhance the paging of the terminal, thereby improving the paging success rate of the terminal and ensuring the communication efficiency of the terminal. Moreover, after starting the paging enhancement of the terminal, the method of the present disclosure can also be used to stop the paging enhancement of the terminal, thereby avoiding the occurrence of the situation of "wasting resources due to long-term paging enhancement of the terminal" and improving resource utilization.
  • determining the second information includes at least one of the following:
  • the second information is determined based on preconfiguration.
  • a method is provided for a first network device to determine the second information, so that the first network device can successfully determine the second information, and the first network device can further successfully start or stop the first paging of the terminal based on the second information, thereby improving the paging success rate of the terminal, ensuring the communication efficiency of the terminal, and improving resource utilization.
  • an embodiment of the present disclosure provides a paging method, which is performed by a second network device.
  • the method includes:
  • the second network device will send the first information and/or the second information to at least one first network device, wherein the first information and/or the second information can be used by the first network device to start or stop the first paging of the terminal.
  • the present disclosure provides a method for the first network device to start or stop the first paging of the terminal, wherein the first paging is used to enhance the paging of the terminal, which is equivalent to providing a method for starting or stopping the paging enhancement of the terminal. Therefore, when the terminal is in a network environment with poor channel conditions, the method of the present disclosure can be used to enhance the paging of the terminal, thereby improving the paging success rate of the terminal and ensuring the communication efficiency of the terminal.
  • the method of the present disclosure can also be used to stop the paging enhancement of the terminal, thereby avoiding This avoids the situation where “resources are wasted due to long-term paging enhancement of the terminal” and improves resource utilization.
  • the first network device and the second network device are both located in the RAN notification area where the terminal is located, the second network device is the network device that last served the terminal, and the first network device is a network device in the RAN notification area that is different from the second network device; or,
  • the first network device is a DU
  • the second network device is a CU.
  • the method further includes:
  • Sending eighth information to at least one of the first network devices the eighth information is used to instruct the first network device to perform a second paging on the terminal, the eighth information includes the paging identifier of the terminal, the second paging is used to perform normal paging on the terminal, and the first paging is an enhanced paging of the second paging.
  • the method further includes:
  • the first information includes any one of the following:
  • the first indication is used to instruct the first network device to start performing the first paging
  • a second indication is used to instruct the first network device to stop performing the first paging.
  • the first information includes the first indication
  • the second network device sends the first information to at least one of the first network devices when at least one of the following conditions is met:
  • the second network device does not receive a response message from the terminal to the second paging within a second time period
  • the second network device does not receive an access request from the terminal within a second time period
  • the second network device receives a third instruction sent by the core network, where the third instruction is used to instruct the first paging to be performed on the terminal;
  • the second network device determines that the location of the terminal is within a first coverage area, where the first coverage area is: a coverage area in which the first paging can be performed;
  • the second network device determines that the cell type of the cell corresponding to the first network device is a first cell type; the first cell type is: a cell type that can perform the first paging.
  • the first information includes the second indication
  • the second network device sends the first information to at least one of the first network devices when at least one of the following conditions is met:
  • the second network device determines that the location of the terminal is not within the first coverage area
  • the second network device receives ninth information sent by any first network device, wherein the ninth information is used to indicate that the first network device that sent the ninth information has received a response message and/or access request from the terminal to the first paging.
  • the second information includes at least one of the following information:
  • third information where the third information is used to indicate the first cell type
  • the fourth information being used to indicate a third condition; the third condition being used to determine a condition for starting the first paging of the terminal;
  • the fifth information being used to indicate a first number; the first number being used to determine a condition for stopping the first paging;
  • the sixth information is used to indicate first time information; the first time information is used to determine a condition for stopping the first paging;
  • the seventh information is used to indicate the first coverage area.
  • the third condition includes at least one of the following:
  • an embodiment of the present disclosure provides a paging method for a communication system, wherein the communication system includes a first network device and a second network device, and the method includes:
  • the second network device sends first information and/or second information to at least one first network device; wherein the first information is used to instruct the first network device to start or stop performing a first paging on the terminal, and the second information is used to indicate a condition for the first network device to start performing the first paging on the terminal and/or a condition for stopping performing the first paging, and the first paging is used to perform paging enhancement on the terminal;
  • the first network device receives the first information sent by the second network device and/or determines the second information
  • the first network device determines that a first condition is satisfied based on the second information and/or starts a first paging of the terminal based on the first information;
  • the first network device determines that a second condition is satisfied based on the second information and/or stops performing the first paging based on the first information.
  • an embodiment of the present disclosure provides a first network device, including:
  • a processing module configured to receive first information sent by a second network device and/or determine second information; the first information is used to instruct the first network device to start or stop performing a first paging on the terminal; the second information is used to indicate a condition for the first network device to start performing the first paging on the terminal and/or a condition for stopping performing the first paging; the first paging is used to perform paging enhancement on the terminal;
  • the processing module is further configured to determine that a first condition is satisfied based on the second information and/or to start a first paging of the terminal based on the first information;
  • the processing module is further configured to determine that a second condition is satisfied based on the second information and/or to stop performing the first paging based on the first information.
  • the first network device and the second network device are both located in a radio access network RAN notification area where the terminal is located, the second network device is a network device that last served the terminal, and the first network device is a network device in the RAN notification area that is different from the second network device; or,
  • the first network device is a distributed unit DU
  • the second network device is a centralized unit CU.
  • the first information includes any one of the following:
  • the first indication is used to instruct the first network device to start performing the first paging
  • a second indication is used to instruct the first network device to stop performing the first paging.
  • the second information includes at least one of the following information:
  • the third information being used to indicate a first cell type;
  • the first cell type being: a cell type capable of performing the first paging;
  • the fourth information being used to indicate a third condition; the third condition being used to determine a condition for starting the first paging of the terminal;
  • the fifth information being used to indicate a first number; the first number being used to determine a condition for stopping the first paging;
  • the sixth information is used to indicate first time information; the first time information is used to determine a condition for stopping the first paging;
  • the seventh information is used to indicate a first coverage area, where the first coverage area is a coverage area where the first paging can be performed.
  • the first condition includes at least one of the following:
  • the cell type of the cell corresponding to the first network device is a first cell type
  • the second paging of the first network device satisfies a third condition; wherein the third condition is used to indicate that the second paging is unsuccessful, the second paging is used to perform normal paging on the terminal, and the first paging is an enhanced paging of the second paging;
  • the cell of the first network device is within a first coverage area.
  • the method before starting the first paging of the terminal, the method further includes:
  • the eighth information is used to instruct the first network device to perform the second paging on the terminal, and the eighth information includes a paging identifier of the terminal;
  • the second paging is performed on the terminal based on the paging identifier.
  • the third condition includes at least one of the following:
  • the second condition includes at least one of the following:
  • the number of paging times of the first paging of the first network device reaches a first number
  • the first network device meets the condition indicated by the first time information
  • An access request for the second paging request from the terminal is received.
  • determining the second information includes at least one of the following:
  • the second information is determined based on preconfiguration.
  • an embodiment of the present disclosure provides a second network device, including:
  • a transceiver module is used to send first information and/or second information to at least one first network device; wherein the first information is used to instruct the first network device to start or stop the first paging of the terminal, and the second information is used to indicate the conditions for the first network device to start the first paging of the terminal and/or the conditions for stopping the first paging, and the first paging is used to enhance the paging of the terminal.
  • the first network device and the second network device are both located in the RAN notification area where the terminal is located, the second network device is the network device that last served the terminal, and the first network device is a network device in the RAN notification area that is different from the second network device; or,
  • the first network device is a DU
  • the second network device is a CU.
  • the method further includes:
  • Sending eighth information to at least one of the first network devices the eighth information is used to instruct the first network device to perform a second paging on the terminal, the eighth information includes the paging identifier of the terminal, the second paging is used to perform normal paging on the terminal, and the first paging is an enhanced paging of the second paging.
  • the method further includes:
  • the first information includes any one of the following:
  • the first indication is used to instruct the first network device to start performing the first paging
  • a second indication is used to instruct the first network device to stop performing the first paging.
  • the first information includes the first indication
  • the second network device sends the first information to at least one of the first network devices when at least one of the following conditions is met:
  • the second network device does not receive a response message from the terminal to the second paging within a second time period
  • the second network device does not receive an access request from the terminal within a second time period
  • the second network device receives a third instruction sent by the core network, where the third instruction is used to instruct the first paging to be performed on the terminal;
  • the second network device determines that the location of the terminal is within a first coverage area, where the first coverage area is: a coverage area in which the first paging can be performed;
  • the second network device determines that the cell type of the cell corresponding to the first network device is a first cell type; the first cell type is: a cell type that can perform the first paging.
  • the first information includes the second indication, and the second network device sends the first information to at least one of the first network devices when at least one of the following conditions is met:
  • the second network device determines that the location of the terminal is not within the first coverage area
  • the second network device receives ninth information sent by any first network device, wherein the ninth information is used to indicate that the first network device that sent the ninth information has received a response message and/or access request from the terminal to the first paging.
  • the second information includes at least one of the following information:
  • third information where the third information is used to indicate the first cell type
  • the fourth information being used to indicate a third condition; the third condition being used to determine a condition for starting the first paging of the terminal;
  • the fifth information being used to indicate a first number; the first number being used to determine a condition for stopping the first paging;
  • the sixth information is used to indicate first time information; the first time information is used to determine a condition for stopping the first paging;
  • the seventh information is used to indicate the first coverage area.
  • the third condition includes at least one of the following:
  • an embodiment of the present disclosure proposes a communication device, which includes: one or more processors; one or more memories for storing instructions; wherein the processor is used to call the instructions so that the communication device executes the paging method described in the first aspect, the optional implementation of the first aspect, the second aspect, and the optional implementation of the second aspect.
  • an embodiment of the present disclosure proposes a communication system, which includes: a first network device and a second network device; wherein the first network device is configured to execute the method described in the first aspect and the optional implementation of the first aspect, and the second network device is configured to execute the method described in the second aspect and the optional implementation of the second aspect.
  • an embodiment of the present disclosure proposes a storage medium, which stores instructions.
  • the communication device executes the paging method described in the first aspect, the optional implementation of the first aspect, the second aspect, and the optional implementation of the second aspect.
  • an embodiment of the present disclosure proposes a program product.
  • the communication device executes the paging method described in the first aspect, the optional implementation of the first aspect, the second aspect, and the optional implementation of the second aspect.
  • an embodiment of the present disclosure proposes a computer program, which, when executed on a computer, enables the computer to execute the paging method described in the first aspect, the optional implementation of the first aspect, the second aspect, and the optional implementation of the second aspect.
  • the first network device, the second network device, the communication device, the communication system, the storage medium, the program product, and the computer program are all used to execute the method proposed in the embodiment of the present disclosure. Therefore, the beneficial effects that can be achieved can refer to the beneficial effects of the corresponding method and will not be repeated here.
  • the present disclosure provides an invention title.
  • the terms “paging method” and “information processing method,” “information sending method,” and “information receiving method” are interchangeable; the terms “communication device” and “information processing device,” “information sending device,” and “information receiving device” are interchangeable; and the terms “information processing system,” “communication system,” “information sending system,” and “information receiving system” are interchangeable.
  • 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 steps of different embodiments can be arbitrarily combined, and a certain embodiment can be arbitrarily combined with the optional implementation methods of other embodiments.
  • plurality refers to two or more.
  • the terms “at least one of,” “at least one of,” “at least one of,” “one or more,” “a plurality of,” “multiple,” etc. may be used interchangeably.
  • descriptions such as “at least one of A, B, C...”, “A and/or B and/or C...”, etc. include the situation where any one of A, B, C... exists alone, and also include any combination of any multiple of A, B, C..., and each situation can exist alone; for example, “at least one of A, B, C” includes the situation where A exists alone, B exists alone, C exists alone, the combination of A and B, the combination of A and C, the combination of B and C, and the combination of A, B, and C; for example, A and/or B includes the situation where A exists alone, B exists alone, and the combination of A and B.
  • descriptions such as "in one case A, in another case B,” or “in response to one case A, in response to another case B,” may include the following technical solutions depending on the situation: executing A independently of B (in some embodiments, A); executing B independently of A (in some embodiments, B); selectively executing A and B (in some embodiments, selecting between A and B); and executing both A and B (in some embodiments, A and B).
  • executing A independently of B in some embodiments, A
  • executing B independently of A in some embodiments, B
  • selectively executing A and B in some embodiments, selecting between A and B
  • executing both A and B in some embodiments, A and B.
  • prefixes such as “first” and “second” in the embodiments of the present disclosure are only used to distinguish different description objects and do not limit the position, order, priority, quantity or content of the description objects.
  • the description object please refer to the description in the context of the claims or embodiments.
  • the use of prefixes should not constitute unnecessary restrictions. For example, if the description object is "field”, then the prefix before “field” in “first field” and “second field” should be “first field” or "second field”. Ordinal numbers do not limit the position or order between "fields”. "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 "level”, then the ordinal number before the "level” in “first level” and “second level” does not limit the priority between the "levels".
  • the number of description objects is not limited by ordinal numbers and can be one or more. Taking “first device” as an example, the number of "devices” can be one or more.
  • the objects modified by different prefixes can be the same or different. For example, if the description object is “device”, then the “first device” and the “second device” can be the same device or different devices, and their types can be the same or different.
  • the description object is "information”, then the "first information” and the “second information” can be the same information or different information, and their contents can 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 “in response to", “in response to determining", “in the case of", “at the time of", “when!, “if", “if", etc. can be used interchangeably.
  • 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 less 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”, “not more than”, “lower than”, “lower than or equal to”, “not higher than”, and “below” can be replaced with each other.
  • devices, etc. can be interpreted as physical or virtual, and their names are not limited to the names recorded in the embodiments.
  • Terms such as “device”, “equipment”, “device”, “circuit”, “network element”, “node”, “function”, “unit”, “section”, “system”, “network”, “chip”, “chip system”, “entity”, and “subject” can be used interchangeably.
  • network can be interpreted as devices included in the network (eg, access network equipment, core network equipment, etc.).
  • the terms “access network device (AN device)”, “radio access network device (RAN device)”, “base station (BS)”, “radio base station”, “fixed station”, “node”, “access point”, “transmission point (TP)”, “reception point (RP)”, “transmission/reception point (TRP)”, “panel”, “antenna panel”, “antenna array”, “cell”, “macro cell”, “small cell”, “femto cell”, “pico cell”, “sector”, “cell group”, “carrier”, “component carrier”, “bandwidth part (BWP)” and the like may be used interchangeably.
  • terminal In some embodiments, the terms "terminal”, “terminal device”, “user equipment (UE)”, “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. can be used interchangeably.
  • the access network device, the core network device, or the network device can be replaced by a terminal.
  • the various embodiments of the present disclosure can also be applied to a structure in which the communication between the access network device, the core network device, or the network device and the terminal is replaced by communication between multiple terminals (for example, it can also be called device-to-device (D2D), vehicle-to-everything (V2X), etc.).
  • D2D device-to-device
  • V2X vehicle-to-everything
  • language such as "uplink” and "downlink” can also be replaced by language corresponding to communication between terminals (for example, "side”).
  • uplink channels, downlink channels, etc. can be replaced by side channels
  • uplinks, downlinks, etc. can be replaced by side links.
  • the terminal may be replaced by an access network device, a core network device, or a network device.
  • the access network device, the core network device, or the network device may have a structure that has all or part of the functions of the terminal.
  • obtaining 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 embodiment of the present disclosure can be implemented as an independent embodiment, and the combination of any elements, any rows, and any columns can also be implemented as an independent embodiment.
  • the correspondences shown in the tables of the present disclosure can be configured or predefined.
  • the values of the information in each table are merely examples and can be configured to other values, which are not limited by the present disclosure.
  • the correspondences shown in certain rows may not be configured.
  • appropriate deformation adjustments can be made based on the above tables, such as splitting, merging, etc.
  • the names of the parameters shown in the titles of the above tables may also adopt other names that can be understood by the communication device, and the values or representations of the parameters may also adopt other values or representations that can be understood by the communication device.
  • other data structures may also be used, such as arrays, queues, containers, stacks, linear lists, pointers, linked lists, trees, graphs, structures, classes, heaps, hash tables or hash tables, etc.
  • the predefined in the present disclosure may be understood as defined, predefined, stored, pre-stored, pre-negotiated, pre-configured, solidified, or pre-burned.
  • FIG. 1 is a schematic diagram illustrating the architecture of a communication system according to an embodiment of the present disclosure.
  • communication system 100 may include a first network device, a second network device, and a terminal.
  • the aforementioned network device i.e., the first network device or the second network device
  • the terminal 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, 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 thereto.
  • a mobile phone a wearable device, an Internet of Things device, a car with communication function, a smart car, a tablet computer, 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,
  • the access network device is, for example, a node or device that accesses a terminal to a wireless network.
  • the access network device may include an evolved Node B (eNB), a next generation evolved Node B (ng-eNB), a next generation Node B (gNB), a node B (NB), a home 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 RAN), a base station in other communication systems, and at least one of an access node in a wireless fidelity (WiFi) system, but is not limited thereto.
  • eNB evolved Node B
  • ng-eNB next generation evolved Node B
  • gNB next generation Node B
  • the technical solution of the present disclosure may be applicable to the Open RAN architecture.
  • the interfaces between or within the 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 (CU) and a distributed unit (DU), where the CU may also be called a control unit.
  • the CU-DU structure may be used to split the protocol layers of the access network device, with some functions of the protocol layers centrally controlled by the CU, and the remaining functions of some or all of the protocol layers distributed in the DU, which is centrally controlled by the CU, but is not limited to this.
  • the core network device may be a device including one or more network elements, or may be multiple devices or a group of devices, each including all or part of one or more network elements.
  • the network element may be virtual or physical.
  • the core network includes, 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
  • NRC Next Generation Core
  • the core network device may also be a location management function network element.
  • the location management function network element includes a location server (location server), which may be implemented as any one of the following: Location Management Function (LMF), Enhanced Serving Mobile Location Centre (E-SMLC), Secure User Plane Location (SUPL), and Secure User Plane Location Platform (SUPLLP).
  • LMF Location Management Function
  • E-SMLC Enhanced Serving Mobile Location Centre
  • SUPL Secure User Plane Location
  • SUPLLP Secure User Plane Location Platform
  • 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 proposed in the embodiment of the present disclosure.
  • Ordinary technicians in this field can know that with the evolution of the system architecture and the emergence of new business scenarios, the technical solution proposed in 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 FIG1 or part of the subject, but are not limited thereto.
  • the subjects shown in FIG1 are examples, and the communication system may include all or part of the subjects in FIG1, or may include other subjects other than FIG1.
  • the number and The form is arbitrary, and the connection relationship between each subject is an example.
  • the subjects may be connected or disconnected, and the connection may be in any manner, which may be direct or indirect, and may be wired or wireless.
  • LTE Long Term Evolution
  • LTE-A LTE-Advanced
  • LTE-B LTE-Beyond
  • SUPER 3G IMT-Advanced
  • 4G 4th generation mobile communication system
  • 5G 5th generation mobile communication system
  • 5G new radio NR
  • Future Radio Access FX
  • RAT New Radio Access Technology
  • NR New Radio
  • NX New radio access
  • FX Future generation radio access
  • GSM Global System for Mobile communications
  • CDMA 2000 Ultra Mobile Broadband
  • UMB Ultra Mobile Broadband
  • IEEE 802.11 Wi-Fi (registered trademark)
  • IEEE 802.16 WiMAX (registered trademark)
  • IEEE 802.20 Ultra-WideBand (UWB), Bluetooth (registered trademark)
  • PLMN Public Land Mobile Network
  • D2D Device to Device
  • M2M Machine to Machine
  • IoT Internet of Things
  • V2X Vehicle to Everything
  • a non-terrestrial network (NTN) system is introduced in the 5G communication system.
  • the NTN system is widely used in the communication field due to its wide coverage, strong disaster resistance and large capacity.
  • wireless resources can be provided to terminals through satellites (or drones).
  • network devices also need to page terminals.
  • the method for the network device to paging the terminal may include: when the network device wants to perform related services on a terminal in an inactive state (INACTIVE) or an idle state (IDLE), the network device sends a paging signal to the terminal, the terminal receives the paging signal, and accesses the network device to perform related services by responding to the paging signal.
  • the network device when the network device sends a paging signal to the terminal, the network device will start the T3513 timer.
  • the network device receives a response from the terminal to the paging signal during the operation of the T3513 timer, it is determined that the paging is successful. If the T3513 timer times out and the network device still has not received a response from the terminal to the paging signal, it is determined that the paging has failed.
  • paging failures to terminals may occur due to shadow fading and clutter loss.
  • Line of Sight (LoS) probability indicates that at an elevation angle of 30 degrees, approximately 10% of rural users and 50% of urban users experience Non-Line of Sight (NLOS) between them and network devices.
  • NLOS Non-Line of Sight
  • clutter loss may result in an NLOS of greater than 18 decibels (dB) between the terminal and the network device.
  • dB decibels
  • the terminal may not be able to respond to the paging signal of the network device due to the inability to detect the paging signal.
  • the network device does not receive a response to the paging signal from the terminal for a long time, it will determine that the paging has failed and will page again. After a certain number of failed attempts, the network device will give up paging the terminal, which will result in a low paging success rate for the terminal in special scenarios of the NTN system, affecting the communication efficiency and communication services (such as public safety services) of the terminal.
  • enhanced paging in order to improve the paging success rate of the terminal, enhanced paging (Robust paging) is introduced.
  • the network device can send an enhanced paging notification signal (Robust paging notification alert) to the terminal to achieve successful paging of the terminal under severe NLOS channel conditions.
  • the enhanced paging notification signal can be a downlink physical channel, which includes its own built-in system information and synchronization signal. For example, at least one of the information carried, physical resources, number of repetitions, and transmission power of the enhanced paging notification signal is different from the above-mentioned traditional paging (or called legacy paging, normal paging).
  • the enhanced paging is implemented by using a new synchronization signal and traditional paging.
  • the signal to noise ratio (SNR) of the physical downlink channel of the enhanced paging notification signal can be much lower than the SNR of the physical downlink channel of traditional paging.
  • the enhanced paging notification signal can be understood as an enhancement of the traditional paging. Compared with the traditional paging signal, the enhanced paging notification signal is more likely to be detected by the terminal under severe NLOS channel conditions.
  • the network device can send an enhanced paging notification signal to the terminal, so that when the terminal receives the enhanced paging notification signal, it can move to a location with better channel conditions to respond to the paging, thereby improving the terminal's detection accuracy.
  • the paging success rate of the terminal can be used to send an enhanced paging notification signal to the terminal, so that when the terminal receives the enhanced paging notification signal, it can move to a location with better channel conditions to respond to the paging, thereby improving the terminal's detection accuracy.
  • FIG2A is an interactive diagram of a paging method according to an embodiment of the present disclosure. As shown in FIG2A , the embodiment of the present disclosure relates to a paging method for a communication system 100, the method comprising:
  • Step 2101 The second network device sends the eighth information.
  • the second network device may send the eighth information to at least one first network device, and the first network device may receive the eighth information.
  • the first network device and the second network device may both be located in the RAN notification area where the terminal is located.
  • the second network device may be the last serving network device of the terminal, and the first network device may be a network device different from the second network device in the RAN notification area.
  • the second network device may be called NG-RAN node 1
  • the first network device may be called NG-RAN node 2.
  • the first and second network devices may communicate via XnAP signaling.
  • the first network device may be a DU, for example, a gNB-DU
  • the second network device may be a Centralized Unit (CU), for example, a gNB-CU.
  • CU Centralized Unit
  • the first and second network devices may communicate via F1AP signaling.
  • the terminal in the embodiment of the present disclosure may be, for example, a terminal in a radio resource control inactive (Radio Resource Control Inactive, RRC_Inactive) state or a terminal in a radio resource control idle (Radio Resource Control Idle, RRC_Idle) state.
  • RRC_Inactive Radio Resource Control Inactive
  • RRC_Idle Radio Resource Control Idle
  • the eighth information may be used to instruct the first network device to perform a second paging on the terminal.
  • the eighth information may include a paging identifier of the terminal.
  • the eighth information may be a RAN Paging message.
  • the eighth information may include a RAN Paging identifier of the terminal.
  • the RAN Paging identifier may be an inactive radio network temporary identifier (I-RNTI).
  • the second paging may be used to perform normal paging on the terminal.
  • the normal paging may be the legacy paging (or normal paging) described previously in the embodiment of FIG. 2A .
  • FIG. 2A For a detailed description of the normal paging, please refer to the description previously in the embodiment of FIG. 2A , which will not be repeated here.
  • Step 2102 The second network device and/or at least one first network device performs a second paging on the terminal based on the paging identifier.
  • Step 2103 The second network device sends the first instruction and/or the second information.
  • the second network device may send the first indication and/or the second information to at least one first network device, and the first network device may receive the first indication and/or the second information.
  • the first indication may be used to instruct the first network device to initiate a first paging of the terminal.
  • the first paging may be, for example, the enhanced paging (Robust paging) described previously in the embodiment of FIG. 2A
  • the first indication may be, for example, an indication to initiate robust paging, or may be another name, which is not limited in this disclosure.
  • the first paging may be an enhanced paging of the second paging.
  • the first paging and the second paging differ in at least one of the following: associated synchronization signals, carried information, physical layer processing methods, physical resources, repetition times, or transmit power.
  • the SNR of the physical downlink channel of the first paging may be significantly lower than the SNR of the physical downlink channel of the second paging.
  • the first paging is more likely to be responded to by the terminal under severe NLOS channel conditions.
  • the first paging is more likely to be responded to by the terminal under severe NLOS channel conditions in non-terrestrial wireless access coverage.
  • the second network device may send the first indication to the at least one first network device only when at least one of the following conditions is satisfied.
  • the at least one condition may include, for example:
  • Condition 1 The second network device does not receive a response message from the terminal to the second paging within the second time period.
  • the second duration may be predefined and/or preconfigured by the protocol.
  • “not receiving a response message from the terminal to the second paging” may include: not receiving a response message from the terminal to the second paging
  • the terminal receives a response message to the second paging initiated by the first network device; and/or the terminal receives no response message to the second paging initiated by the second network device.
  • the method for the second network device to determine whether it has received a response message to the second paging initiated by the terminal to the first network device may include: after the first network device initiates the second paging, if the first network device receives a response message to the second paging initiated by the terminal, the first network device will indicate to the second network device that the first network device has received the response message of the terminal.
  • the second network device will know that it has successfully paged the terminal, and can instruct other first network devices to stop the second paging in time to avoid unnecessary paging causing waste of resources. Based on this, in some embodiments, when the second network device does not receive the relevant information "for indicating that the first network device has received the response message of the terminal" sent by the first network device within a certain period of time, it can be determined that the terminal has not received a response message to the second paging initiated by the first network device.
  • Condition 2 The second network device does not receive an access request from the terminal within the second time period
  • "not receiving an access request from the terminal” may include: not receiving an access request from the terminal for a second paging initiated by the terminal to the first network device; and/or not receiving an access request from the terminal for a second paging initiated by the terminal to the second network device.
  • the principle behind this is similar to the principle behind "not receiving a response message from the terminal to the second paging" described above and is not further elaborated here.
  • Condition three the second network device determines that the terminal supports the first paging.
  • terminal supports first paging can be understood as: the terminal supports the ability to receive robust paging.
  • the terminal may report to at least one of a network device (such as the aforementioned first network device and/or second network device) and a core network that the terminal supports a capability of receiving robust paging.
  • the second network device may determine whether the terminal supports the first paging based on the terminal's report and on interaction with the first network device and/or the core network.
  • Condition four the second network device receives a third indication sent by the core network, where the third indication may be used to instruct a first paging of the terminal.
  • Condition 5 The second network device determines that the terminal is located within the first coverage area.
  • the first coverage area may be a coverage area where the first paging can be performed.
  • the first coverage area may include at least one of one or more cells, one or more RAN notification areas, and one or more tracking areas.
  • the first coverage area may include the coverage area of a first cell.
  • the cell type of the first cell may be a first cell type, which may be a cell type where the first paging can be performed; for example, the first cell type may be a cell type that supports robust paging.
  • the first cell type may be an NTN cell type, which may be an NTN cell; optionally, the first cell type may be protocol-predefined and/or preconfigured.
  • the location of the terminal can be a historical location or a predicted location of the terminal.
  • it can be the historical location of the terminal determined when the second network device last provided services to the terminal, or it can be the future location of the terminal predicted when the second network device last provided services to the terminal.
  • the second network device determines that the cell type of the cell corresponding to the first network device is the first cell type.
  • the second information may include at least one of third information, fourth information, fifth information, sixth information, and seventh information.
  • the third information, fourth information, and seventh information may be used to indicate conditions under which the first network device starts performing the first paging operation on the terminal, and the fifth information and sixth information may be used to indicate conditions under which the first network device stops performing the first paging operation.
  • the third information, fourth information, fifth information, sixth information, and seventh information are described in detail below.
  • the third information may be used to indicate the first cell type.
  • the first network device receives the third information and determines that the cell type corresponding to the first network device is the first cell type indicated by the third information, the first paging may be initiated.
  • the fourth information mentioned above can be used to indicate a third condition; the third condition can be a condition for starting the first paging of the terminal.
  • the first network device receives the fourth information, if it is determined that the second paging of the first network device meets the third condition indicated by the fourth information, the first paging is started.
  • the third condition can be used to indicate that the second paging was unsuccessful; the third condition can also be called, for example, the criterion information for starting robust paging, or can be other names, which are not limited in this disclosure.
  • the third condition can include at least one of the following: after the second paging of the first duration is performed, no response message and/or access request from the terminal to the second paging is received; after the second paging of the second number is performed, no response message and/or access request from the terminal to the second paging is received.
  • the first duration and the second number can be predefined and/or preconfigured by the protocol.
  • the above-mentioned “response message of the terminal to the second paging” may include: a response message of the terminal to the second paging initiated by the first network device, and/or a response message of the terminal to the second paging initiated by the second network device;
  • the above-mentioned “access request of the terminal to the second paging” may include: an access request of the terminal to the second paging initiated by the first network device, and/or an access request of the terminal to the second paging initiated by the second network device.
  • the fifth information mentioned above can be used to indicate a first number; the first number can be used to determine a condition for stopping the first paging.
  • the first network device receives the fifth information, if it is determined that the number of paging times of the first network device has reached the first number indicated by the fifth information, the first paging is stopped.
  • the first number can also be called, for example, the number of times robust paging has continued, or other names, which are not limited in this disclosure.
  • the first number can be predefined and/or preconfigured by the protocol.
  • the sixth information mentioned above can be used to indicate the first time information, and the first time information can be used to determine the conditions for stopping the first paging.
  • the first time information can include at least one of the first time length and the first absolute time.
  • the first network device receives the sixth information if it is determined that the first network device has passed the first time length after starting the first paging, the first paging is stopped.
  • the first network device receives the sixth information if the first network device is performing the first paging, the first network device stops performing the first paging when it determines that the first absolute time indicated by the sixth information has been reached.
  • the first time information can also be called, for example, the time information of the robust paging duration, or other names, which are not limited in this disclosure.
  • the first time information can be predefined and/or preconfigured by the protocol.
  • the seventh information may be used to indicate a first coverage area.
  • the first coverage area may be at least one of one or more cells, one or more RAN notification areas, or one or more tracking areas.
  • the first coverage area may be at least one of one or more cells, one or more RAN notification areas, or one or more tracking areas.
  • the first network device determines that a cell in the first network device is within the corresponding first coverage area, the first paging operation may be initiated.
  • Step 2104 The first network device determines the second information.
  • the second information may be received by the first network device from the second network device.
  • the second information may be determined by the second network device based on a preconfiguration.
  • the first network device may determine the second information based on an Operation, Administration and Maintenance (OAM) configuration.
  • OAM Operation, Administration and Maintenance
  • Step 2105 The first network device determines that the first condition is met based on the second information and/or based on the first indication, and starts a first paging of the terminal.
  • the first network device when the first network device receives the first indication, it may start to perform a first paging on the terminal. Alternatively, in other embodiments, when the first network device determines that a first condition is satisfied based on the second information, it may start to perform a first paging on the terminal.
  • the first condition may include at least one of the following:
  • the cell type of the cell corresponding to the first network device is the first cell type
  • the second paging of the first network device satisfies a third condition
  • the cell of the first network device is within the first coverage area.
  • the first network device may perform the first paging to the terminal based on the paging identifier.
  • the second network device in the aforementioned step 2103 sends the first indication and/or second information to at least one first network device, in this step 2105, when it is determined based on the first indication and/or second information that the first condition is met, multiple first network devices will perform the first paging on the terminal respectively, so as to increase the paging success rate of the terminal.
  • Step 2106 The second network device sends a second indication and/or second information.
  • the second network device may send a second indication and/or second information to at least one first network device, and the first network device may receive the second indication and/or second information.
  • the first network device may send a second indication and/or second information to at least one first network device
  • the first network device may receive the second indication and/or second information.
  • the second indication may be used to instruct the first network device to stop performing the first paging.
  • the second indication may be, for example, a stop robust paging indication, or may be another name, which is not limited in the present disclosure.
  • the second network device may send the second indication to the at least one first network device only when at least one of the following conditions is satisfied.
  • the at least one condition may include, for example:
  • the second network device determines that the location of the terminal is not within the first coverage area
  • the second network device receives ninth information sent by any first network device, wherein the ninth information is used to indicate that the first network device that sent the ninth information has received a response message and/or access request from the terminal to the first paging.
  • any first network device when any first network device receives a response message and/or access request from the terminal to the first paging
  • the second network device can know that the first network device has successfully paged the terminal based on the ninth information. Then, the second network device can send a second instruction to other second network devices to instruct other second network devices to stop the first paging.
  • the second network device sends the second instruction to at least one first network device in a timely manner, so that the first network device stops the first paging in a timely manner, thereby avoiding unnecessary paging power consumption, avoiding unnecessary waste of resources, and improving resource utilization.
  • Step 2107 The first network device determines that the second condition is met based on the second information and/or based on the second indication, and stops performing the first paging on the terminal.
  • the first network device when the first network device receives the second indication, it may stop performing the first paging on the terminal.
  • the first network device determines that a second condition is satisfied based on the second information when the first network device determines that a second condition is satisfied based on the second information, it may stop performing the first paging on the terminal.
  • the second condition may include at least one of the following:
  • the paging number of the first paging of the first network device reaches a first number
  • the first network device meets the condition indicated by the first time information
  • the first network device receives a response message from the terminal to the first paging
  • the first network device receives an access request from the terminal for the second paging.
  • the method disclosed herein can be applied to RAN paging scenarios and/or core network (CN) paging scenarios.
  • the second network device may be a RAN node, in which case the corresponding scenario is RAN paging.
  • the second network device may be a core network device, for example, a network element of the core network, in which case the corresponding scenario is CN paging.
  • a method for a first network device to start or stop performing a first paging on a terminal, wherein the first paging is used to perform paging enhancement on the terminal. It can be seen that the present disclosure provides a method for starting or stopping paging enhancement on a terminal. When the terminal is located in a network environment with poor channel conditions, the method of the present disclosure can be used to perform paging enhancement on the terminal, thereby improving the paging success rate of the terminal and ensuring the communication efficiency of the terminal.
  • the method of the present disclosure can also be used to stop performing paging enhancement on the terminal, thereby avoiding the occurrence of the situation where "resources are wasted due to performing paging enhancement on the terminal for a long time" and improving resource utilization.
  • the paging method involved in the embodiments of the present disclosure may include at least one of steps 2101 to 2107.
  • step 2101 may be implemented as an independent embodiment
  • step 2102 may be implemented as an independent embodiment
  • step 2103 may be implemented as an independent embodiment
  • step 2101+step 2102 may be implemented as an independent embodiment, but the present invention is not limited thereto.
  • each step can be independent, arbitrarily combined or exchanged in order, the optional methods or optional examples can be arbitrarily combined, and can be arbitrarily combined with any steps of other embodiments or other examples.
  • FIG3A is an interactive diagram of a paging method according to an embodiment of the present disclosure. As shown in FIG3A , the embodiment of the present disclosure relates to a paging method for a first network device, the method comprising:
  • Step 3101 Receive the eighth information.
  • Step 3102 Perform a second paging on the terminal based on the paging identifier.
  • Step 3103 Receive the first instruction and/or the second information.
  • Step 3104 Determine the second information.
  • Step 3105 Determine based on the second information whether the first condition is met and/or based on the first indication, and start a first paging of the terminal.
  • Step 3106 Receive a second indication and/or second information.
  • Step 3107 Determine based on the second information that the second condition is met and/or based on the second indication, and stop performing the first paging on the terminal.
  • steps 3101-3107 For a detailed description of steps 3101-3107, please refer to the above embodiment description.
  • the paging method involved in the embodiments of the present disclosure may include at least one of steps 3101 to 3107.
  • step 3101 may be implemented as an independent embodiment
  • step 3102 may be implemented as an independent embodiment
  • step 3103 may be implemented as an independent embodiment
  • step 3101+step 3102 may be implemented as an independent embodiment, but the present disclosure is not limited thereto.
  • each step can be independent, arbitrarily combined or exchanged in order, the optional methods or optional examples can be arbitrarily combined, and can be arbitrarily combined with any steps of other embodiments or other examples.
  • FIG3B is an interactive diagram of a paging method according to an embodiment of the present disclosure. As shown in FIG3B , the embodiment of the present disclosure relates to a paging method, For a first network device, the method includes:
  • Step 3201 Receive first information sent by a second network device and/or determine second information.
  • Step 3202 Determine based on the second information whether the first condition is met and/or based on the first information, and start a first paging of the terminal.
  • Step 3203 Determine based on the second information that the second condition is met and/or based on the first information, and stop the first paging.
  • the first information is used to instruct the first network device to start or stop performing a first paging on the terminal
  • the second information is used to indicate a condition for the first network device to start performing the first paging on the terminal and/or a condition for stopping performing the first paging
  • the first paging is used to perform paging enhancement on the terminal
  • the first network device and the second network device are both located in a radio access network RAN notification area where the terminal is located, the second network device is a network device that the terminal last served, and the first network device is a network device in the RAN notification area that is different from the second network device; or,
  • the first network device is a distributed unit DU
  • the second network device is a centralized unit CU.
  • the first information includes any one of the following:
  • the first indication is used to instruct the first network device to start performing the first paging
  • a second indication is used to instruct the first network device to stop performing the first paging.
  • the second information includes at least one of the following information:
  • the third information being used to indicate a first cell type;
  • the first cell type being: a cell type capable of performing the first paging;
  • the fourth information being used to indicate a third condition; the third condition being used to determine a condition for starting the first paging of the terminal;
  • the fifth information being used to indicate a first number; the first number being used to determine a condition for stopping the first paging;
  • the sixth information is used to indicate first time information; the first time information is used to determine a condition for stopping the first paging;
  • the seventh information is used to indicate a first coverage area, where the first coverage area is a coverage area where the first paging can be performed.
  • the first condition includes at least one of the following:
  • the cell type of the cell corresponding to the first network device is a first cell type
  • the second paging of the first network device satisfies a third condition; wherein the third condition is used to indicate that the second paging is unsuccessful, the second paging is used to perform normal paging on the terminal, and the first paging is an enhanced paging of the second paging;
  • the cell of the first network device is within a first coverage area.
  • the method before starting the first paging of the terminal, the method further includes:
  • the eighth information is used to instruct the first network device to perform the second paging on the terminal, and the eighth information includes a paging identifier of the terminal;
  • the second paging is performed on the terminal based on the paging identifier.
  • the third condition includes at least one of the following:
  • the second condition includes at least one of the following:
  • the number of paging times of the first paging of the first network device reaches a first number
  • the first network device meets the condition indicated by the first time information
  • An access request for the second paging request from the terminal is received.
  • determining the second information includes at least one of the following:
  • the second information is determined based on preconfiguration.
  • steps 3201-3203 For a detailed description of steps 3201-3203, please refer to the above embodiment description.
  • the paging method involved in the embodiment of the present disclosure may include at least one of steps 3201 to 3202.
  • step 3201 may be As independent embodiments
  • step 3202 can be implemented as an independent embodiment
  • step 3203 can be implemented as an independent embodiment
  • step 3201+S3202 can be implemented as an independent embodiment, but are not limited thereto.
  • each step can be independent, arbitrarily combined or exchanged in order, the optional methods or optional examples can be arbitrarily combined, and can be arbitrarily combined with any steps of other embodiments or other examples.
  • FIG4A is an interactive diagram of a paging method according to an embodiment of the present disclosure. As shown in FIG4A , the embodiment of the present disclosure relates to a paging method for a second network device, the method comprising:
  • Step 4101 Send the eighth message.
  • Step 4102 Perform a second paging on the terminal based on the paging identifier.
  • Step 4103 Send the first instruction and/or the second information.
  • Step 4104 Send a second instruction and/or second information.
  • steps 4101-4104 please refer to the above embodiment.
  • the paging method involved in the embodiments of the present disclosure may include at least one of steps 4101 and 4102.
  • step 4101 may be implemented as an independent embodiment
  • step 4102 may be implemented as an independent embodiment
  • step 4103 may be implemented as an independent embodiment
  • step 4101+step 4102 may be implemented as an independent embodiment, but the present disclosure is not limited thereto.
  • each step can be independent, arbitrarily combined or exchanged in order, the optional methods or optional examples can be arbitrarily combined, and can be arbitrarily combined with any steps of other embodiments or other examples.
  • FIG4B is an interactive diagram of a paging method according to an embodiment of the present disclosure. As shown in FIG4B , the embodiment of the present disclosure relates to a paging method for a second network device, the method comprising:
  • Step 4201 Send first information and/or second information to at least one first network device.
  • the first information is used to instruct the first network device to start or stop the first paging of the terminal
  • the second information is used to indicate the conditions for the first network device to start the first paging of the terminal and/or the conditions for stopping the first paging
  • the first paging is used to enhance the paging of the terminal.
  • the first network device and the second network device are both located in the RAN notification area where the terminal is located, the second network device is the network device that the terminal last served, and the first network device is a network device in the RAN notification area that is different from the second network device; or,
  • the first network device is a DU
  • the second network device is a CU.
  • the method further includes:
  • Sending eighth information to at least one of the first network devices the eighth information is used to instruct the first network device to perform a second paging on the terminal, the eighth information includes the paging identifier of the terminal, the second paging is used to perform normal paging on the terminal, and the first paging is an enhanced paging of the second paging.
  • the method further includes:
  • the first information includes any one of the following:
  • the first indication is used to instruct the first network device to start performing the first paging
  • a second indication is used to instruct the first network device to stop performing the first paging.
  • the first information includes the first indication
  • the second network device sends the first information to at least one of the first network devices when at least one of the following conditions is met:
  • the second network device does not receive a response message from the terminal to the second paging within a second time period
  • the second network device does not receive an access request from the terminal within a second time period
  • the second network device receives a third instruction sent by the core network, where the third instruction is used to instruct the first paging to be performed on the terminal;
  • the second network device determines that the location of the terminal is within a first coverage area, where the first coverage area is: a coverage area in which the first paging can be performed;
  • the second network device determines that the cell type of the cell corresponding to the first network device is a first cell type; the first cell type is: a cell type that can perform the first paging.
  • the first information includes the second indication
  • the second network device sends the first information to at least one of the first network devices when at least one of the following conditions is met:
  • the second network device determines that the location of the terminal is not within the first coverage area
  • the second network device receives ninth information sent by any first network device, wherein the ninth information is used to indicate that the first network device that sent the ninth information has received a response message and/or access request from the terminal to the first paging.
  • the second information includes at least one of the following information:
  • third information where the third information is used to indicate the first cell type
  • the fourth information being used to indicate a third condition; the third condition being used to determine a condition for starting the first paging of the terminal;
  • the fifth information being used to indicate a first number; the first number being used to determine a condition for stopping the first paging;
  • the sixth information is used to indicate first time information; the first time information is used to determine a condition for stopping the first paging;
  • the seventh information is used to indicate the first coverage area.
  • the third condition includes at least one of the following:
  • step 4201 For a detailed introduction to step 4201, please refer to the content of the above embodiment.
  • each step can be independent, arbitrarily combined or exchanged in order, the optional methods or optional examples can be arbitrarily combined, and can be arbitrarily combined with any steps of other embodiments or other examples.
  • FIG5A is an interactive diagram of a paging method according to an embodiment of the present disclosure.
  • the embodiment of the present disclosure relates to a paging method for a communication system including a first network device and a second network device, wherein the method includes at least one of the following:
  • Step 5101 The second network device sends first information and/or second information to at least one first network device;
  • Step 5102 The first network device receives first information sent by the second network device and/or determines second information.
  • Step 5103 The first network device determines that the first condition is met based on the second information and/or starts a first paging of the terminal based on the first information.
  • Step 5104 The first network device determines that the second condition is satisfied based on the second information and/or stops performing the first paging based on the first information.
  • steps 5101 to 5104 can be found in the above embodiments.
  • the above method may include the method described in the above embodiments of the communication system side, the second network device side, the network device side, etc., which will not be repeated here.
  • the paging method involved in the embodiment of the present disclosure may include at least one of steps 5101 to 5104.
  • step 5101 may be implemented as an independent embodiment
  • step 5102 may be implemented as an independent embodiment, but the present invention is not limited thereto.
  • each step can be independent, arbitrarily combined or exchanged in order, the optional methods or optional examples can be arbitrarily combined, and can be arbitrarily combined with any steps of other embodiments or other examples.
  • the present disclosure can support the base station to implement control of RRC_INACTIVE state and/or RRC_IDLE enhanced paging through two methods, ensuring that the UE (i.e., the aforementioned terminal) can be paged under severe non-line-of-sight channel conditions or the terminal can be notified to enter a place with better coverage conditions to receive paging, and avoid unnecessary resource waste and improve resource utilization.
  • NG-RAN node 2 determines how to perform robust paging (i.e., the aforementioned first paging). There are two ways:
  • NG-RAN node 1 determines whether to start or stop robust paging, including:
  • NG-RAN node 1 determines whether to start or stop robust paging based on information such as the UE's response, timer, capabilities, or feedback from other base stations (i.e., the ninth information sent by the second network device to the first network device). NG-RAN node 1 instructs NG-RAN node 2 to start or stop robust paging through the first information. It should be noted that the difference between the first information here and the first information of the aforementioned embodiment is that, in addition to including the content of the first information of the aforementioned embodiment, the first information here also includes the aforementioned first cell type.
  • the first information includes:
  • -robust paging cell type indication i.e., the third information mentioned above for indicating the first cell type.
  • NG-RAN node 2 determines whether to start or stop robust paging, including:
  • NG-RAN node 2 determines whether to start or stop robust paging based on the instruction from NG-RAN node 1 or the second information configured by OAM.
  • the second information includes:
  • Optional embodiment 1 of the present disclosure (determined based on NG-RAN node 1, i.e., the last serving gNB) is as follows:
  • FIG5B is a schematic diagram illustrating an interaction of a paging method according to an embodiment of the present disclosure.
  • the RAN Paging process is triggered by NG-RAN node 1 sending a RAN Paging message to NG-RAN node 2, which includes necessary information such as the UE RAN Paging ID.
  • NG-RAN node 2 determines whether to perform Robust paging based on the first information.
  • the first information includes at least one of the following information:
  • Stop robust paging indication used to indicate information to stop robust paging
  • the specific cell type is an NTN cell.
  • NG-RAN node 1 may determine whether to send a start robust paging indication based on at least one of the following information:
  • -NG-RAN node 1 receives instructions from the core network
  • NG-RAN node 1 may determine whether to send a stop robust paging indication based on at least one of the following information:
  • Optional embodiment 2 of the present disclosure (determined by NG-RAN node 2) is as follows:
  • the RAN Paging process is triggered by NG-RAN node 1 sending a RAN Paging message to NG-RAN node 2, which should provide necessary information such as the UE RAN Paging identity.
  • NG-RAN node 2 determines whether to perform robust paging based on the second information.
  • the NG-RAN node 2 may confirm the second information in the following manners, including:
  • the second information includes at least one of the following information:
  • NG-RAN node 2 Information about the number of times robust paging has been continued. This is used by NG-RAN node 2 to stop robust paging after the number of paging attempts reaches the specified number.
  • the specific cell type is an NTN cell.
  • the criteria for initiating robust paging include at least one of time information and number of times information, wherein the time information or the number of times information is a criterion for determining whether to initiate robust paging. For example, if no response is received from the UE after a certain period of normal paging, robust paging is initiated. For another example, if no response is received from the UE after a certain number of normal paging times, robust paging is initiated.
  • Figure 5C is a schematic diagram illustrating interactions in a paging method according to an embodiment of the present disclosure.
  • the embodiment shown in Figure 5C is consistent with that in Example 1, except that NG-RAN node 1 can be replaced by a gNB-CU, and NG-RAN node 2 can be replaced by a gNB-DU.
  • NG-RAN node 1 can be replaced by gNB-CU, and NG-RAN node 2 can be replaced by gNB-DU.
  • the embodiments of the present disclosure further provide an apparatus for implementing any of the above methods.
  • an apparatus comprising units or modules for implementing each step performed by a terminal in any of the above methods.
  • another apparatus comprising units or modules for implementing each step performed by a network device (e.g., an access network device, a core network function node, a core network device, etc.) in any of the above methods.
  • a network device e.g., an access network device, a core network function node, a core network device, etc.
  • the division of the various units or modules in the above device is only a division of logical functions. In actual implementation, they can be fully or partially integrated into one physical entity, or they can be physically separated.
  • 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 various 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 within 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 above-mentioned hardware circuits may be understood as one or more processors.
  • the above-mentioned hardware circuit is an application-specific integrated circuit (ASIC), and the functions of some or all of the above-mentioned units or modules may be implemented by designing the logical relationship between the components in the circuit.
  • ASIC application-specific integrated circuit
  • the above-mentioned hardware circuit may be implemented by a programmable logic device (PLD).
  • PLD programmable logic device
  • FPGA field programmable gate array
  • it may include a large number of logic gate circuits, and the connection relationship between the logic gate circuits may be configured through a configuration file, thereby implementing the functions of some or all of the above-mentioned units or modules. All units or modules of the above-mentioned devices may be implemented entirely by the processor calling software, or entirely by hardware circuits, or partially by the processor calling software, and the remaining part by hardware circuits.
  • the processor is a circuit with signal processing capabilities.
  • the processor may be a circuit with instruction reading and execution capabilities, such as a central processing unit (CPU), a microprocessor, a graphics processing unit (GPU) (which can be understood as a microprocessor), or a digital signal processor (DSP).
  • the processor may implement certain functions through the logical relationship of a hardware circuit. The logical relationship of the above-mentioned hardware circuit is fixed or reconfigurable.
  • the processor is 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 can 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 can also be a hardware circuit designed for artificial intelligence, which can be understood as ASIC, such as the Neural Network Processing Unit (NPU), the Tensor Processing Unit (TPU), the Deep Learning Processing Unit (DPU), etc.
  • FIG6A is a schematic diagram of the structure of the first network device proposed in an embodiment of the present disclosure. As shown in FIG6A , it includes:
  • a processing module configured to receive first information sent by a second network device and/or determine second information; the first information is used to instruct the first network device to start or stop performing a first paging on the terminal; the second information is used to indicate a condition for the first network device to start performing the first paging on the terminal and/or a condition for stopping performing the first paging; the first paging is used to perform paging enhancement on the terminal;
  • the processing module is further configured to determine that a first condition is satisfied based on the second information and/or to start a first paging of the terminal based on the first information;
  • the processing module is further configured to determine that a second condition is satisfied based on the second information and/or to stop performing the first paging based on the first information.
  • the processing module is used to execute the steps related to "processing" performed by the first network device in any of the above methods
  • the first The network device may further include a transceiver module, which is configured to execute the steps related to "transmission and reception” executed by the first network device in any of the above methods, which will not be described in detail here.
  • FIG6B is a schematic diagram of the structure of the second network device proposed in an embodiment of the present disclosure. As shown in FIG6B , it includes:
  • a transceiver module is used to send first information and/or second information to at least one first network device; wherein the first information is used to instruct the first network device to start or stop the first paging of the terminal, and the second information is used to indicate the conditions for the first network device to start the first paging of the terminal and/or the conditions for stopping the first paging, and the first paging is used to enhance the paging of the terminal.
  • the transceiver module is configured to execute the steps related to "transmitting and receiving" executed by the second network device in any of the above methods.
  • the second network device may further include a processing module configured to execute the steps related to "processing" executed by the second network device in any of the above methods. Details will not be repeated here.
  • FIG. 7A is a schematic diagram of the structure of a communication device 7100 proposed in an embodiment of the present disclosure.
  • Communication device 7100 can be a network device (e.g., an access network device, a core network device, etc.), a terminal (e.g., a user device or the aforementioned second network device, etc.), 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.
  • Communication device 7100 can be used to implement the methods described in the above method embodiments. For details, please refer to the description of the above method embodiments.
  • the communication device 7100 includes one or more processors 7101.
  • the processor 7101 can be a general-purpose processor or a dedicated processor, for example, a baseband processor or a central processing unit.
  • the baseband processor can be used to process communication protocols and communication data
  • the central processing unit can 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 programs, and process program data.
  • the processor 7101 is used to call instructions to enable the communication device 7100 to perform any of the above methods.
  • the communication device 7100 further includes one or more memories 7102 for storing instructions.
  • the memories 7102 may be located outside the communication device 7100.
  • the communication device 7100 further includes one or more transceivers 7103.
  • the communication steps such as sending and receiving in the above method are performed by the transceiver 7103, and the other steps are performed by the processor 7101.
  • a transceiver may include a receiver and a transmitter, which may be separate or integrated.
  • transceiver, transceiver unit, transceiver, and transceiver circuit may be used interchangeably; the terms transmitter, transmitting unit, transmitter, and transmitting circuit may be used interchangeably; and the terms receiver, receiving unit, receiver, and receiving circuit may be used interchangeably.
  • the communication device 7100 further includes one or more interface circuits 7104, which are connected to the memory 7102.
  • the interface circuits 7104 may be configured to receive signals from the memory 7102 or other devices, and may be configured to send signals to the memory 7102 or other devices.
  • the interface circuits 7104 may read instructions stored in the memory 7102 and send the instructions to the processor 7101.
  • the communication device 7100 described in the above embodiment may be a network device or a terminal, but the scope of the communication device 7100 described in the present disclosure is not limited thereto, and the structure of the communication device 7100 may not be limited by FIG. 7a.
  • 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 a chip, or a 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 or programs; (3) an ASIC, such as a modem; (4) a module that can be embedded in other devices; (5) a receiver, a terminal device, an intelligent terminal device, a cellular phone, a wireless device, a handheld device, a mobile unit, an in-vehicle device, a network device, a cloud device, an artificial intelligence device, etc.; (6) others, etc.
  • FIG. 7B is a schematic diagram of the structure of a chip 7200 proposed in an embodiment of the present disclosure. If the communication device 7100 can be a chip or a chip system, please refer to the schematic diagram of the structure of the chip 7200 shown in FIG7B , but the present disclosure is not limited thereto.
  • the chip 7200 includes one or more processors 7201 , and the processor 7201 is used to call instructions so that the chip 7200 executes any of the above methods.
  • chip 7200 further includes one or more interface circuits 7202, which are connected to memory 7203.
  • Interface circuit 7202 can be used to receive signals from memory 7203 or other devices, and can be used to send signals to memory 7203 or other devices.
  • interface circuit 7202 can read instructions stored in memory 7203 and send the instructions to processor 7201.
  • the terms interface circuit, interface, transceiver pin, and transceiver are interchangeable.
  • the chip 7200 further includes one or more memories 7203 for storing instructions. Alternatively, all or part of the memories 7203 may be located outside the chip 7200.
  • the present disclosure also provides a storage medium, which stores instructions. When the instructions are executed on the communication device 7100, The communication device 7100 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 provides a program product, which, when executed by the communication device 7100, enables the communication device 7100 to perform 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 perform any one of the above methods.
  • all or part of the embodiments can be implemented by software, hardware, firmware or any combination thereof.
  • all or part of the embodiments can be implemented in the form of a computer program product.
  • the computer program product includes one or more computer programs.
  • the computer program When the computer program is loaded and executed on a computer, the process or function described in the embodiment of the present disclosure is generated in whole or in part.
  • the computer can be a general-purpose computer, a special-purpose computer, a computer network, or other programmable device.
  • the computer program can be stored in a computer-readable storage medium or transmitted from one computer-readable storage medium to another computer-readable storage medium.
  • the computer program can be transmitted from one website, computer, server or data center to another website, computer, server or data center by wired (such as coaxial cable, optical fiber, digital subscriber line (DSL)) or wireless (such as infrared, wireless, microwave, etc.) means.
  • the computer-readable storage medium can be any available medium that can be accessed by a computer or a data storage device such as a server or data center that includes one or more available media integrated.
  • the available medium may be a magnetic medium (e.g., a floppy disk, a hard disk, a magnetic tape), an optical medium (e.g., a high-density digital video disc (DVD)), or a semiconductor medium (e.g., a solid state disk (SSD)), etc.

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  • Computer Networks & Wireless Communication (AREA)
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Abstract

La présente divulgation concerne un procédé de radiorecherche, un dispositif de communication, un système de communication et un support de stockage. Le procédé comprend : la réception de premières informations envoyées par un second dispositif de réseau, et/ou la détermination de secondes informations, les premières informations étant utilisées pour ordonner à un premier dispositif de réseau de démarrer ou d'arrêter la réalisation d'une première radiorecherche sur un terminal, les secondes informations étant utilisées pour indiquer une condition dans laquelle le premier dispositif de réseau démarre la réalisation de la première radiorecherche sur le terminal et/ou une condition dans laquelle le premier dispositif de réseau arrête la réalisation de la première radiorecherche, et la première radiorecherche étant utilisée pour réaliser une amélioration de radiorecherche sur le terminal ; sur la base des secondes informations, le fait de déterminer qu'une première condition est satisfaite et/ou sur la base des premières informations, le démarrage de la réalisation de la première radiorecherche sur le terminal ; et sur la base des secondes informations, le fait de déterminer qu'une seconde condition est satisfaite et/ou sur la base des premières informations, l'arrêt de la réalisation de la première radiorecherche. Le procédé selon la présente divulgation améliore le taux de réussite de la radiorecherche d'un terminal, assure l'efficacité de communication du terminal et améliore également le taux d'utilisation de ressources.
PCT/CN2024/075352 2024-02-01 2024-02-01 Procédé de radiorecherche, dispositif de communication, système de communication et support de stockage Pending WO2025160916A1 (fr)

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CN116017408A (zh) * 2021-10-22 2023-04-25 华为技术有限公司 一种通信方法及通信装置
WO2023173290A1 (fr) * 2022-03-15 2023-09-21 Telefonaktiebolaget Lm Ericsson (Publ) Amélioration de radiomessagerie pour commande de ressources radio (rrc) inactive
CN116981089A (zh) * 2022-04-18 2023-10-31 展讯通信（上海）有限公司 一种寻呼方法、装置、芯片及模组设备

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Publication number Priority date Publication date Assignee Title
CN113747570A (zh) * 2020-05-29 2021-12-03 华为技术有限公司 一种通信方法及装置
CN116017408A (zh) * 2021-10-22 2023-04-25 华为技术有限公司 一种通信方法及通信装置
WO2023173290A1 (fr) * 2022-03-15 2023-09-21 Telefonaktiebolaget Lm Ericsson (Publ) Amélioration de radiomessagerie pour commande de ressources radio (rrc) inactive
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