CN111194084A - Information transmission method and device - Google Patents

Information transmission method and device Download PDF

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Publication number
CN111194084A
CN111194084A CN201811360119.4A CN201811360119A CN111194084A CN 111194084 A CN111194084 A CN 111194084A CN 201811360119 A CN201811360119 A CN 201811360119A CN 111194084 A CN111194084 A CN 111194084A
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China
Prior art keywords
node
information
energy
saving signal
monitoring
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Granted
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CN201811360119.4A
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Chinese (zh)
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CN111194084B (en
Inventor
许萌
梁靖
傅婧
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Datang Mobile Communications Equipment Co Ltd
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China Academy of Telecommunications Technology CATT
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Priority to CN201811360119.4A priority Critical patent/CN111194084B/en
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    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/003—Arrangements for allocating sub-channels of the transmission path
    • H04L5/0053—Allocation of signaling, i.e. of overhead other than pilot signals
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/20—Control channels or signalling for resource management
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
    • Y02D30/00—Reducing energy consumption in communication networks
    • Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks

Abstract

The application discloses an information transmission method and an information transmission device, which are used for enabling a first node to inform a second node of information related to monitoring energy-saving signals of UE (user equipment), so that the second node in a RAN (radio access network) informing area can know whether the energy-saving signals need to be sent before the UE is paged. At an information sending end, an information transmission method provided in an embodiment of the present application includes: determining information of User Equipment (UE) related to monitoring the energy-saving signal; and notifying the information to the second node through an interface message between the first node and the second node.

Description

Information transmission method and device
Technical Field
The present application relates to the field of communications technologies, and in particular, to an information transmission method and apparatus.
Background
New Radio (NR) systems introduce a new state, the inactive state, in which the UE context is maintained by the User Equipment (UE) and the anchor base station, which maintains the connection to the core network. When downlink data is transmitted, an anchor base station triggers RAN paging in a radio access network notification area (RAN-based Notification area, RNA), paging inactive UE recovers Radio Resource Control (RRC) connection, the anchor base station interacts with base stations in the range of the RNA, and sends RAN paging information to related base stations for UE paging.
The energy-saving signal is a sequence with a complexity lower than that of a Physical Downlink Control Channel (PDCCH) signal, in order to achieve the purpose of energy saving, the UE needs to monitor the energy-saving signal before monitoring the PDCCH signal, if the UE knows that a PDCCH message is sent by monitoring the energy-saving signal, the UE continues to monitor the PDCCH signal, otherwise, the UE does not monitor the PDCCH signal but continues to monitor the energy-saving signal at the next moment. The energy-saving signal has low resolution complexity or less resolution times than the PDCCH signal, so that the aim of saving energy can be fulfilled. The ability to listen for the power saving signal is an optional UE capability, and whether the base station transmits the power saving signal is also an optional base station characteristic. Only the UE has the UE capability, and the base station also starts the function of sending the energy-saving signal at the same time, the base station will first send the energy-saving signal to notify the UE of the PDCCH signaling when paging the UE, and the UE will first monitor the energy-saving signal before monitoring the PDCCH signal when residing in the base station.
In the current NR system, when the RAN determines to page an inactive UE, the anchor base station notifies other base stations in the RNA region to page the UE, but the other base stations in the RNA region do not know whether or not to send an energy saving signal before paging the UE.
Disclosure of Invention
The embodiment of the application provides an information transmission method and an information transmission device, which are used for enabling a first node to inform a second node of information related to monitoring energy-saving signals of UE (user equipment), so that the second node in an RNA (ribonucleic acid) area can know whether the energy-saving signals need to be sent before the UE is paged.
At an information sending end, an information transmission method provided in an embodiment of the present application includes:
determining information of User Equipment (UE) related to monitoring the energy-saving signal;
and notifying the information to the second node through an interface message between the first node and the second node.
By the method, information related to monitoring the energy-saving signal of the user equipment UE is determined; and notifying the information to the second node through the interface message between the first node and the second node, thereby realizing that the first node notifies the second node of the information of the UE related to the energy-saving signal monitoring, and enabling the second node in the RNA area to know whether the energy-saving signal needs to be sent before the UE is paged.
Optionally, notifying the information to the second node through an interface message between the first node and the second node, specifically including:
when a first node triggers a Radio Access Network (RAN) to page, notifying the information to a second node through an interface message between nodes; the interface message is an interface message for sending a RAN paging message between nodes, or a newly defined message.
Optionally, notifying the information to the second node through an interface message between the first node and the second node, specifically including:
and when the first node sends a Radio Resource Control (RRC) command to inform the UE of entering an inactive state, informing the information to the second node through an inter-node interface message.
Optionally, the information comprises one or a combination of the following:
indication information whether the UE supports the capability of monitoring the energy saving signal;
indication information informing a node whether to broadcast an energy-saving signal;
and the UE monitors the related capability information of the energy-saving signal.
Optionally, the related capability information includes:
and the UE monitors gap capability information of the energy-saving signal, wherein the gap is the minimum gap between the energy-saving signal and the time domain position of the PDCCH of the monitoring scheduling paging, and/or the minimum gap between the energy-saving signal and the time domain position of the SSB of the monitoring synchronization signal block.
Optionally, the interface message further includes:
and the UE identity ID of the UE in the inactive state.
Optionally, the method further comprises:
and the first node acquires the information of the UE related to the monitoring of the energy-saving signal through a core network, or the report of the UE, or the source of the UE accessing a wireless access network node.
Optionally, the method further comprises: and the first node judges whether the energy-saving signal needs to be sent before sending the paging message according to the information of the UE related to the monitoring of the energy-saving signal.
Optionally, the first node is a node in the radio access network that last instructed the UE to enter an inactive state.
Correspondingly, at an information receiving end, an information transmission method provided in an embodiment of the present application includes:
receiving information related to monitoring energy-saving signals of User Equipment (UE) through interface information between a first node and a second node;
and paging the UE according to the information.
According to the method, information related to monitoring the energy-saving signal of the user equipment UE is received through interface information between the first node and the second node; and paging the UE according to the information, so that a second node except the first node in the RNA region can know that the UE monitors the related information of the energy-saving signal, and further can page the UE based on the information and judge whether the energy-saving signal needs to be sent before the UE is paged.
Optionally, when the first node triggers a radio access network RAN paging, the second node receives information related to listening for the power saving signal of the UE through an inter-node interface message, where the interface message is an interface message for sending a paging message between nodes, or a newly defined message.
Optionally, when the first node sends a radio resource control RRC command to notify the UE to enter an inactive state, the second node receives information of the UE related to monitoring the energy-saving signal through an inter-node interface message.
Optionally, the information comprises one or a combination of the following:
indication information whether the UE supports the capability of monitoring the energy saving signal;
indication information informing a node whether to broadcast an energy-saving signal;
and the UE monitors the related capability information of the energy-saving signal.
Optionally, the related capability information includes:
and the UE monitors gap capability information of the energy-saving signal, wherein the gap is the minimum gap between the energy-saving signal and the time domain position of the PDCCH of the monitoring scheduling paging, and/or the minimum gap between the energy-saving signal and the time domain position of the SSB of the monitoring synchronization signal block.
Optionally, the interface message further includes:
and the UE identity ID of the UE in the inactive state.
Optionally, the method further comprises:
and judging whether the energy-saving signal needs to be sent before the paging message is sent or not by monitoring the information related to the energy-saving signal of the UE.
Optionally, the first node is a node in the radio access network that last instructed the UE to enter an inactive state.
At an information sending end, an information transmission apparatus provided in an embodiment of the present application includes:
a memory for storing program instructions;
a processor for calling the program instructions stored in the memory and executing according to the obtained program:
determining information of User Equipment (UE) related to monitoring the energy-saving signal;
and notifying the information to the second node through an interface message between the first node and the second node.
Optionally, notifying the information to the second node through an interface message between the first node and the second node, specifically including:
when a first node triggers a Radio Access Network (RAN) to page, notifying the information to a second node through an interface message between nodes; the interface message is an interface message for sending a RAN paging message between nodes, or a newly defined message.
Optionally, notifying the information to the second node through an interface message between the first node and the second node, specifically including:
and when the first node sends a Radio Resource Control (RRC) command to inform the UE of entering an inactive state, informing the information to the second node through an inter-node interface message.
Optionally, the information comprises one or a combination of the following:
indication information whether the UE supports the capability of monitoring the energy saving signal;
indication information informing a node whether to broadcast an energy-saving signal;
and the UE monitors the related capability information of the energy-saving signal.
Optionally, the related capability information includes:
and the UE monitors gap capability information of the energy-saving signal, wherein the gap is the minimum gap between the energy-saving signal and the time domain position of the PDCCH of the monitoring scheduling paging, and/or the minimum gap between the energy-saving signal and the time domain position of the SSB of the monitoring synchronization signal block.
Optionally, the interface message further includes:
and the UE identity ID of the UE in the inactive state.
Optionally, the processor is further configured to:
and the first node acquires the information of the UE related to the monitoring of the energy-saving signal through a core network, or the report of the UE, or the source of the UE accessing a wireless access network node.
Optionally, the processor is further configured to: and judging whether the energy-saving signal needs to be sent before sending the paging message or not according to the information of the UE related to the monitoring of the energy-saving signal.
Optionally, the first node is a node in the radio access network that last instructed the UE to enter an inactive state.
Correspondingly, at an information receiving end, an information transmission apparatus provided in an embodiment of the present application includes:
a memory for storing program instructions;
a processor for calling the program instructions stored in the memory and executing according to the obtained program:
receiving information related to monitoring energy-saving signals of User Equipment (UE) through interface information between a first node and a second node;
and paging the UE according to the information.
Optionally, when the first node triggers a radio access network RAN paging, the second node receives information related to listening for the power saving signal of the UE through an inter-node interface message, where the interface message is an interface message for sending a paging message between nodes, or a newly defined message.
Optionally, when the first node sends a radio resource control RRC command to notify the UE to enter an inactive state, the second node receives information of the UE related to monitoring the energy-saving signal through an inter-node interface message.
Optionally, the information comprises one or a combination of the following:
indication information whether the UE supports the capability of monitoring the energy saving signal;
indication information informing a node whether to broadcast an energy-saving signal;
and the UE monitors the related capability information of the energy-saving signal.
Optionally, the related capability information includes:
and the UE monitors gap capability information of the energy-saving signal, wherein the gap is the minimum gap between the energy-saving signal and the time domain position of the PDCCH of the monitoring scheduling paging, and/or the minimum gap between the energy-saving signal and the time domain position of the SSB of the monitoring synchronization signal block.
Optionally, the interface message further includes:
and the UE identity ID of the UE in the inactive state.
Optionally, the processor is further configured to:
and judging whether the energy-saving signal needs to be sent before the paging message is sent or not by monitoring the information related to the energy-saving signal of the UE.
Optionally, the processor is further configured to:
and informing the second node of the information of the UE related to the monitoring of the energy-saving signal through an interface message between the first node and the second node.
Optionally, the first node is a node in the radio access network that last instructed the UE to enter an inactive state.
At an information sending end, another information transmission apparatus provided in an embodiment of the present application includes:
a determining unit, configured to determine information of a user equipment UE related to monitoring an energy saving signal;
and the notification unit is used for notifying the second node of the information through interface information between the first node and the second node.
At an information receiving end, another information transmission apparatus provided in an embodiment of the present application includes:
a receiving unit, configured to receive information related to monitoring an energy saving signal of a user equipment UE through an interface message between a first node and a second node;
and the paging unit is used for paging the UE according to the information.
Another embodiment of the present application provides a computing device, which includes a memory and a processor, wherein the memory is used for storing program instructions, and the processor is used for calling the program instructions stored in the memory and executing any one of the above methods according to the obtained program.
Another embodiment of the present application provides a computer storage medium having stored thereon computer-executable instructions for causing a computer to perform any one of the methods described above.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
Fig. 1 is a schematic flowchart of an information transmission method according to an embodiment of the present application;
fig. 2 is a schematic flowchart of another information transmission method according to an embodiment of the present application;
fig. 3 is a schematic structural diagram of an information transmission apparatus according to an embodiment of the present application;
fig. 4 is a schematic structural diagram of another information transmission apparatus according to an embodiment of the present application;
fig. 5 is a schematic structural diagram of another information transmission apparatus according to an embodiment of the present application.
Detailed Description
The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
The current release 16(R16) introduces an energy saving stand-off, intended to reduce the UE power consumption. The embodiment of the application provides a method and a device for transmitting relevant information of monitoring energy-saving signals of UE when RAN pages inactive UE.
The method and the device are based on the same application concept, and because the principles of solving the problems of the method and the device are similar, the implementation of the device and the method can be mutually referred, and repeated parts are not repeated.
The technical scheme provided by the embodiment of the application can be suitable for various systems, particularly 5G systems. For example, the applicable system may be a global system for mobile communication (GSM) system, a Code Division Multiple Access (CDMA) system, a Wideband Code Division Multiple Access (WCDMA) General Packet Radio Service (GPRS) system, a Long Term Evolution (LTE) system, an LTE Frequency Division Duplex (FDD) system, an LTE Time Division Duplex (TDD), a Universal Mobile Telecommunications System (UMTS), a universal microwave Access (WiMAX) system, a 5G NR system, and the like. These various systems include terminal devices and network devices.
The terminal device referred to in the embodiments of the present application may refer to a device providing voice and/or data connectivity to a user, a handheld device having a wireless connection function, or other processing device connected to a wireless modem. The names of the terminal devices may also be different in different systems, for example, in a 5G system, the terminal devices may be referred to as User Equipments (UEs). Wireless terminal devices, which may be mobile terminal devices such as mobile telephones (or "cellular" telephones) and computers with mobile terminal devices, e.g., mobile devices that may be portable, pocket, hand-held, computer-included, or vehicle-mounted, communicate with one or more core networks via the RAN. Examples of such devices include Personal Communication Service (PCS) phones, cordless phones, Session Initiated Protocol (SIP) phones, Wireless Local Loop (WLL) stations, Personal Digital Assistants (PDAs), and the like. The wireless terminal device may also be referred to as a system, a subscriber unit (subscriber unit), a subscriber station (subscriber station), a mobile station (mobile), a remote station (remote station), an access point (access point), a remote terminal device (remote terminal), an access terminal device (access terminal), a user terminal device (user terminal), a user agent (user agent), and a user device (user device), which are not limited in this embodiment.
The network device according to the embodiment of the present application may be a base station, and the base station may include a plurality of cells. A base station may also be referred to as an access point, or a device in an access network that communicates over the air-interface, through one or more sectors, with wireless terminal devices, or by other names, depending on the particular application. The network device may be configured to interconvert received air frames with Internet Protocol (IP) packets as a router between the wireless terminal device and the rest of the access network, which may include an Internet Protocol (IP) communication network. The network device may also coordinate attribute management for the air interface. For example, the network device according to the embodiment of the present application may be a Base Transceiver Station (BTS) in a global system for mobile communications (GSM) or a Code Division Multiple Access (CDMA), may also be a network device (NodeB) in a Wideband Code Division Multiple Access (WCDMA), may also be an evolved network device (eNB or e-NodeB) in a long term evolution (long term evolution, LTE) system, a 5G base station in a 5G network architecture (next generation system), or may also be a home evolved node B (HeNB), a relay node (HeNB), a home base station (femto), a pico base station (pico), and the like, which are not limited in the embodiments of the present application.
Various embodiments of the present application will be described in detail below with reference to the accompanying drawings. It should be noted that the display sequence of the embodiment of the present application only represents the sequence of the embodiment, and does not represent the merits of the technical solutions provided by the embodiments.
In the embodiment of the application, the first node carries information of the UE related to monitoring the energy saving signal to the second node through an interface message between the first node and the second node. The first node may be, for example, an anchor base station, and specifically may be a base station that last indicates the UE to enter an inactive state to save the context of the UE, and the second node may be a base station configured for the UE and other than the first node in the same RNA region. But not limited to, the second node in the same RNA region. Besides, the scheme is also suitable for interaction of energy-saving signal related information between nodes in a Central Unit (CU) -Distributed Unit (DU) separation scene.
Specifically, referring to fig. 1, at an information sending end, an information transmission method provided in an embodiment of the present application includes:
s101, determining information related to monitoring energy-saving signals of User Equipment (UE);
s102, notifying the information to a second node through interface information between the first node and the second node.
By the method, information related to monitoring the energy-saving signal of the user equipment UE is determined; and notifying the information to the second node through the interface message between the first node and the second node, thereby realizing that the first node notifies the second node of the information of the UE related to the energy-saving signal monitoring, and enabling the second node in the RNA area to know whether the energy-saving signal needs to be sent before the UE is paged.
Optionally, notifying the information to the second node through an interface message between the first node and the second node, specifically including:
when a first node triggers a Radio Access Network (RAN) to page, notifying the information to a second node through an interface message between nodes; the interface message is an interface message for sending a RAN paging message between nodes, or a newly defined message.
Or, optionally, notifying the information to the second node through an interface message between the first node and the second node, specifically including:
and when the first node sends a Radio Resource Control (RRC) command to inform the UE of entering an inactive state, informing the information to the second node through an Xn interface.
Optionally, the information comprises one or a combination of the following:
indication information whether the UE supports the capability of monitoring the energy saving signal;
indication information informing a node whether to broadcast an energy-saving signal;
and the UE monitors the related capability information of the energy-saving signal.
Optionally, the UE monitoring the related capability information of the energy saving signal specifically includes:
and the UE monitors the gap (gap) capability information of the energy-saving signal, wherein the gap is the minimum gap between the energy-saving signal and the time domain position of the PDCCH of the monitoring scheduling paging, and/or the minimum gap between the energy-saving signal and the time domain position of the SSB of the monitoring synchronization signal block.
Optionally, the interface message further includes:
the UE identity ID of the UE in the inactive state, for example, the UE ID I-RNTI of the UE in the inactive state.
Optionally, the method further comprises:
and the first node acquires the information of the UE related to the monitoring of the energy-saving signal through a core network, or the report of the UE, or the source of the UE accessing a wireless access network node. For example, after the UE is accessed, the access base station obtains the UE capability through UE capability query, or the source base station sends the UE capability to the target base station in the handover process.
Optionally, the method further comprises: and the first node judges whether the energy-saving signal needs to be sent before sending the paging message according to the information of the UE related to the monitoring of the energy-saving signal.
Correspondingly, referring to fig. 2, at an information receiving end, an information transmission method provided in an embodiment of the present application includes:
s201, receiving information related to monitoring energy-saving signals of User Equipment (UE) through interface information between a first node and a second node;
s202, paging the UE according to the information.
According to the method, information related to monitoring the energy-saving signal of the user equipment UE is received through interface information between the first node and the second node; and paging the UE according to the information, so that a second node except the first node in the RNA region can acquire the related information of the energy-saving signal monitored by the UE, and further, the UE can be paged based on the capability information to judge whether the energy-saving signal needs to be sent before the paging message is sent.
Optionally, when the first node triggers a radio access network RAN paging, the second node receives information related to listening for the power saving signal of the UE through an inter-node interface message, where the interface message is an interface message for sending a paging message between nodes, or a newly defined message.
Optionally, when the first node sends a radio resource control RRC command to notify the UE to enter an inactive state, the second node receives information of the UE related to monitoring the energy-saving signal through an inter-node interface message.
Optionally, the information comprises one or a combination of the following:
indication information whether the UE supports the capability of monitoring the energy saving signal;
indication information informing a node whether to broadcast an energy-saving signal;
and the UE monitors the related capability information of the energy-saving signal.
Optionally, the related capability information includes:
and the UE monitors gap capability information of the energy-saving signal, wherein the gap is the minimum gap between the energy-saving signal and the time domain position of the PDCCH of the monitoring scheduling paging, and/or the minimum gap between the energy-saving signal and the time domain position of the SSB of the monitoring synchronization signal block.
Optionally, the interface message further includes:
and the UE identity ID of the UE in the inactive state.
Optionally, the method further comprises:
and judging whether the energy-saving signal needs to be sent before the paging message is sent or not by monitoring the information related to the energy-saving signal of the UE.
An illustration of several specific embodiments is given below.
Example 1:
the method comprises the following steps: the UE is released into an inactive state at the first node (e.g., the gNB1, i.e., the anchor base station), and the UE has the capability to listen for power saving signals.
Step two: the core network has downlink data to arrive, the gNB1 pages the UE, and the UE moves to reside in a second node (e.g., gNB 2).
Step three: the gNB1 sends the paging message over the inter-node interface to second nodes within the same RAN paging area, i.e., the same RNA region, including, for example, gNB2, gNB3, etc. The interface message comprises the related capability of the UE for monitoring the energy-saving signal and/or indication information for informing the second node to send the energy-saving signal and/or indication information of the capability of the UE for supporting monitoring the energy-saving signal. The interface message may also include a UE ID I-RNTI of the UE in an inactive state. The interface message may be a paging message currently notifying the second node to initiate the RAN paging, or may be a newly defined interface message.
Step four: the gNB2 receives an interface message of the gNB1, the interface message includes capability information of the UE for monitoring the energy-saving signal, and/or indication information for informing the base station to send the energy-saving signal, and/or indication information for informing to send the energy-saving signal, and the gNB2 starts a function for sending the energy-saving signal, the gNB2 firstly sends the energy-saving signal before paging the UE to inform the UE of the paging message.
Step five: the UE knows that the gNB2 starts the function of sending the energy-saving signal through the system information, and the UE first monitors the energy-saving signal to determine whether there is a paging message.
Step six: the UE judges that a paging message is sent through the energy-saving signal, then receives a PDCCH message for scheduling the paging, namely a paging DCI and analyzes the paging message, and triggers an RRC recovery process.
Example 2:
the method comprises the following steps: the UE is released into an inactive state at the first node (e.g., the gNB1), the UE having the capability to listen for power saving signals.
Step two: the gNB1 transmits, to a second node (e.g., gNB2, gNB3, etc.) of the same RNA, information about capability of the UE to listen to the power saving signal and/or information indicating that the second node is notified to transmit the power saving signal and/or information indicating that the UE supports capability of listening to the power saving signal, through an inter-node interface. The interface message also contains inactive UE ID I-RNTI of the UE.
Step three: when the core network has downlink data arrival, the gNB1 pages the UE, and the UE moves to reside in the gNB 2.
Step four: the gNB1 sends a paging message to a second node of the same RNA, gNB2, gNB3, etc., over an inter-node interface.
Step five: the gNB2 receives the paging message of the gNB1, and finds out that the UE supports the capability of monitoring the energy-saving signal, and/or is informed of transmitting the energy-saving signal, and/or obtains the capability information of the UE for monitoring the energy-saving signal through inquiring the previous interface message, and the gNB2 starts the function of transmitting the energy-saving signal, and the gNB2 firstly transmits the energy-saving signal to inform the UE of the paging message before paging the UE.
Step six: the UE knows that the gNB2 starts the function of sending the energy-saving signal through the system information, and the UE first monitors the energy-saving signal to determine whether there is a paging message.
Step seven: the UE judges that a paging message is sent through the energy-saving signal, then receives a PDCCH message for scheduling the paging, namely a paging DCI, analyzes the paging message, and triggers an RRC recovery process.
Example 3: and the UE monitors the related capability information of the energy-saving signal.
The UE listening for the energy saving signal related capability information includes at least one of:
and the UE monitors the gap capability of the energy-saving signal, wherein the gap is the minimum gap between the energy-saving signal and the time domain position of the PDCCH and/or the minimum gap between the energy-saving signal and the time domain position of the SSB.
Example 4: the first node obtains the relevant information of UE monitoring the energy-saving signal.
The method for acquiring, by a first node, relevant information of a UE monitoring an energy-saving signal through a core network includes:
in a first mode, in a paging process triggered by a core network, a first node (e.g., a gNB) carries relevant capability information of the UE for monitoring the energy-saving signal and/or indication information of whether the UE supports the capability of monitoring the energy-saving signal when sending a paging message to a base station through the core network.
In a second mode, when the UE accesses the base station, the first node (e.g., the gNB) carries, in the UE capability of the UE sent by the core network, related capability information of the UE for monitoring the energy saving signal and/or indication information of whether the UE supports the capability of monitoring the energy saving signal.
Or, the first node obtains the capability of monitoring the energy-saving signal by the UE through UE reporting:
when the UE accesses the base station, the gNB obtains, through the UE capability reported by the UE, the related capability information of the UE for monitoring the energy-saving signal and/or the indication information of whether the UE supports the capability of monitoring the energy-saving signal, where the UE reporting may be active reporting by the UE or request reporting by the base station.
Or, the first node obtains, through a source gNB to which the UE accesses, information related to the UE monitoring the energy-saving signal, which specifically includes:
in a first mode, the first node is a target base station for triggering handover of the UE from the source gNB, and in the handover process, the source gNB sends information of the monitored energy-saving signal of the UE to the target base station (i.e., the first node) through an interface message between nodes.
In the second mode, the first node is a target base station of the UE in an inactive state, the UE initiates an RRC connection recovery process at the target base station, and the target base station obtains the relevant information of the UE monitoring the energy saving signal in the process of obtaining the context of the UE from a source node (e.g., a source base station of the UE).
In a third method, in the process of triggering the RAN paging, a source node (e.g., a source base station of the UE) sends information related to the UE monitoring the energy saving signal of the UE to a target base station (i.e., a first node).
In the fourth mode, when the UE enters an inactive state, the source node (e.g., a source base station of the UE) sends the information related to the UE monitoring the energy saving signal of the UE to a target base station (i.e., a first node) within the RAN area, and the target base station thus obtains the capability related to the UE monitoring the energy saving signal.
To sum up, in the embodiment of the present application, a node having a UE context sends, through a node message between nodes, related information of the UE monitoring the energy saving signal to other nodes in the same RNA. The problem of how to know whether the energy-saving signal needs to be sent before the UE is paged by a second node in the same RNA when the RAN paging is solved, so that a non-first node can determine whether the energy-saving signal needs to be sent to inform the UE before a paging message is sent.
Example 5: CU-DU scenes.
The method comprises the following steps: the first node CU1 informs the UE through the second node DU1 to release into inactive state, and the UE has the capability of listening to the power saving signal.
Step two: when the core network has downlink data, CU1 decides to page the UE, and the UE moves and resides in the coverage area of DU 2.
Step three: CU1 sends paging messages to other distribution nodes under the same CU through interface messages, including, for example, DU2, DU 3, etc. Wherein, the interface message includes indication information of capability of UE supporting monitoring energy saving signal, and/or indication information notifying DU to send energy saving signal, and/or capability information of UE to monitor energy saving signal.
Step four: DU2 receives paging message of CU1 and indication information that UE supports capability of listening for energy saving signal and/or is informed of indication information of transmitting energy saving signal and/or obtains capability information of listening for energy saving signal of UE, and DU2 turns on function of transmitting energy saving signal, DU2 first transmits energy saving signal informing UE of paging message before paging UE.
Step five: the UE knows that DU2 starts the function of sending the energy-saving signal through the system information, and the UE first monitors the energy-saving signal to determine whether there is a paging message.
Step seven: the UE judges that a paging message is sent through the energy-saving signal, then receives a PDCCH message for scheduling the paging, namely a paging DCI, analyzes the paging message, and triggers an RRC recovery process.
At an information sending end, referring to fig. 3, an information transmission apparatus provided in an embodiment of the present application includes:
a determining unit 11, configured to determine information of a user equipment UE related to monitoring an energy saving signal;
a notifying unit 12, configured to notify the second node of the information through an interface message between the first node and the second node.
Optionally, notifying the information to the second node through an interface message between the first node and the second node, specifically including:
when a first node triggers a Radio Access Network (RAN) to page, notifying the information to a second node through an interface message between nodes; the interface message is an interface message for sending a RAN paging message between nodes, or a newly defined message.
Optionally, notifying the information to the second node through an interface message between the first node and the second node, specifically including:
and when the first node sends a Radio Resource Control (RRC) command to inform the UE of entering an inactive state, informing the information to the second node through an inter-node interface message.
Optionally, the information comprises one or a combination of the following:
indication information whether the UE supports the capability of monitoring the energy saving signal;
indication information informing a node whether to broadcast an energy-saving signal;
and the UE monitors the related capability information of the energy-saving signal.
Optionally, the related capability information includes:
and the UE monitors gap capability information of the energy-saving signal, wherein the gap is the minimum gap between the energy-saving signal and the time domain position of the PDCCH of the monitoring scheduling paging, and/or the minimum gap between the energy-saving signal and the time domain position of the SSB of the monitoring synchronization signal block.
Optionally, the interface message further includes:
and the UE identity ID of the UE in the inactive state.
Optionally, the determining unit 11 is further configured to:
and the first node acquires the information of the UE related to the monitoring of the energy-saving signal through a core network, or the report of the UE, or the source of the UE accessing a wireless access network node.
Optionally, the notification unit 12 is further configured to: and judging whether the energy-saving signal needs to be sent before sending the paging message or not according to the information of the UE related to the monitoring of the energy-saving signal.
At an information receiving end, referring to fig. 4, an information transmitting apparatus provided in an embodiment of the present application includes:
a receiving unit 21, configured to receive information related to monitoring an energy saving signal of a user equipment UE through an interface message between a first node and a second node;
a paging unit 22, configured to page the UE according to the information.
Optionally, when the first node triggers a radio access network RAN paging, the second node receives information related to listening for the power saving signal of the UE through an inter-node interface message, where the interface message is an interface message for sending a paging message between nodes, or a newly defined message.
Optionally, when the first node sends a radio resource control RRC command to notify the UE to enter an inactive state, the second node receives information of the UE related to monitoring the energy-saving signal through an inter-node interface message.
Optionally, the information comprises one or a combination of the following:
indication information whether the UE supports the capability of monitoring the energy saving signal;
indication information informing a node whether to broadcast an energy-saving signal;
and the UE monitors the related capability information of the energy-saving signal.
Optionally, the related capability information includes:
and the UE monitors gap capability information of the energy-saving signal, wherein the gap is the minimum gap between the energy-saving signal and the time domain position of the PDCCH of the monitoring scheduling paging, and/or the minimum gap between the energy-saving signal and the time domain position of the SSB of the monitoring synchronization signal block.
Optionally, the interface message further includes:
and the UE identity ID of the UE in the inactive state.
Optionally, the paging unit 22 is further configured to:
and judging whether the energy-saving signal needs to be sent before the paging message is sent or not by monitoring the information related to the energy-saving signal of the UE.
It should be noted that the division of the unit in the embodiment of the present application is schematic, and is only a logic function division, and there may be another division manner in actual implementation. In addition, functional units in the embodiments of the present application may be integrated into one processing unit, or each unit may exist alone physically, or two or more units are integrated into one unit. The integrated unit can be realized in a form of hardware, and can also be realized in a form of a software functional unit.
The integrated unit, if implemented in the form of a software functional unit and sold or used as a stand-alone product, may be stored in a computer readable storage medium. Based on such understanding, the technical solution of the present application may be substantially implemented or contributed by the prior art, or all or part of the technical solution may be embodied in a software product, which is stored in a storage medium and includes instructions for causing a computer device (which may be a personal computer, a server, a network device, or the like) or a processor (processor) to execute all or part of the steps of the method according to the embodiments of the present application. And the aforementioned storage medium includes: various media capable of storing program codes, such as a usb disk, a removable hard disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), a magnetic disk, or an optical disk.
At an information sending end, referring to fig. 5, another information transmission apparatus provided in an embodiment of the present application includes:
a memory 520 for storing program instructions;
a processor 500 for calling the program instructions stored in the memory, and executing, according to the obtained program:
determining information of User Equipment (UE) related to monitoring the energy-saving signal;
and notifying the information to the second node through an interface message between the first node and the second node.
Optionally, notifying the information to the second node through an interface message between the first node and the second node, specifically including:
when a first node triggers a Radio Access Network (RAN) to page, notifying the information to a second node through an interface message between nodes; the interface message is an interface message for sending a RAN paging message between nodes, or a newly defined message.
Optionally, notifying the information to the second node through an interface message between the first node and the second node, specifically including:
and when the first node sends a Radio Resource Control (RRC) command to inform the UE of entering an inactive state, informing the information to the second node through an inter-node interface message.
Optionally, the information comprises one or a combination of the following:
indication information whether the UE supports the capability of monitoring the energy saving signal;
indication information informing a node whether to broadcast an energy-saving signal;
and the UE monitors the related capability information of the energy-saving signal.
Optionally, the related capability information includes:
and the UE monitors gap capability information of the energy-saving signal, wherein the gap is the minimum gap between the energy-saving signal and the time domain position of the PDCCH of the monitoring scheduling paging, and/or the minimum gap between the energy-saving signal and the time domain position of the SSB of the monitoring synchronization signal block.
Optionally, the interface message further includes:
and the UE identity ID of the UE in the inactive state.
Optionally, the processor 500 is further configured to:
and the first node acquires the information of the UE related to the monitoring of the energy-saving signal through a core network, or the report of the UE, or the source of the UE accessing a wireless access network node.
Optionally, the processor 500 is further configured to: and judging whether the energy-saving signal needs to be sent before sending the paging message or not according to the information of the UE related to the monitoring of the energy-saving signal.
Correspondingly, referring to fig. 5, similar to the structure of the sending-end device, at the information receiving end, another information transmission device provided in this embodiment of the present application includes:
a memory 520 for storing program instructions;
a processor 500 for calling the program instructions stored in the memory, and executing, according to the obtained program:
receiving information related to monitoring energy-saving signals of User Equipment (UE) through interface information between a first node and a second node;
and paging the UE according to the information.
Optionally, when the first node triggers a radio access network RAN paging, the second node receives information related to listening for the power saving signal of the UE through an inter-node interface message, where the interface message is an interface message for sending a paging message between nodes, or a newly defined message.
Optionally, when the first node sends a radio resource control RRC command to notify the UE to enter an inactive state, the second node receives information of the UE related to monitoring the energy-saving signal through an inter-node interface message.
Optionally, the information comprises one or a combination of the following:
indication information whether the UE supports the capability of monitoring the energy saving signal;
indication information informing a node whether to broadcast an energy-saving signal;
and the UE monitors the related capability information of the energy-saving signal.
Optionally, the related capability information includes:
and the UE monitors gap capability information of the energy-saving signal, wherein the gap is the minimum gap between the energy-saving signal and the time domain position of the PDCCH of the monitoring scheduling paging, and/or the minimum gap between the energy-saving signal and the time domain position of the SSB of the monitoring synchronization signal block.
Optionally, the interface message further includes:
and the UE identity ID of the UE in the inactive state.
Optionally, the processor 500 is further configured to:
and judging whether the energy-saving signal needs to be sent before the paging message is sent or not by monitoring the information related to the energy-saving signal of the UE.
Optionally, the processor is further configured to:
and informing the second node of the information of the UE related to the monitoring of the energy-saving signal through an interface message between the first node and the second node.
A transceiver 510 for receiving and transmitting data under the control of the processor 500.
Wherein in fig. 5, the bus architecture may include any number of interconnected buses and bridges, with one or more processors, represented by processor 500, and various circuits, represented by memory 520, being linked together. The bus architecture may also link together various other circuits such as peripherals, voltage regulators, power management circuits, and the like, which are well known in the art, and therefore, will not be described any further herein. The bus interface provides an interface. The transceiver 510 may be a number of elements, including a transmitter and a transceiver, providing a means for communicating with various other apparatus over a transmission medium. The processor 500 is responsible for managing the bus architecture and general processing, and the memory 520 may store data used by the processor 500 in performing operations.
The processor 500 may be a Central Processing Unit (CPU), an Application Specific Integrated Circuit (ASIC), a Field Programmable Gate Array (FPGA), or a Complex Programmable Logic Device (CPLD).
It should be noted that the apparatus provided in this embodiment of the present application may have functions of an information sending end and an information receiving end at the same time, that is, may serve as an anchor base station, and may also serve as the second node.
The embodiment of the present application provides a computing device, which may specifically be a desktop computer, a portable computer, a smart phone, a tablet computer, a Personal Digital Assistant (PDA), and the like. The computing device may include a Central Processing Unit (CPU), memory, input/output devices, etc., the input devices may include a keyboard, mouse, touch screen, etc., and the output devices may include a Display device, such as a Liquid Crystal Display (LCD), a Cathode Ray Tube (CRT), etc.
The memory may include Read Only Memory (ROM) and Random Access Memory (RAM), and provides the processor with program instructions and data stored in the memory. In the embodiments of the present application, the memory may be used for storing a program of any one of the methods provided by the embodiments of the present application.
The processor is used for executing any one of the methods provided by the embodiment of the application according to the obtained program instructions by calling the program instructions stored in the memory.
Embodiments of the present application provide a computer storage medium for storing computer program instructions for an apparatus provided in the embodiments of the present application, which includes a program for executing any one of the methods provided in the embodiments of the present application.
The computer storage media may be any available media or data storage device that can be accessed by a computer, including, but not limited to, magnetic memory (e.g., floppy disks, hard disks, magnetic tape, magneto-optical disks (MOs), etc.), optical memory (e.g., CDs, DVDs, BDs, HVDs, etc.), and semiconductor memory (e.g., ROMs, EPROMs, EEPROMs, non-volatile memory (NAND FLASH), Solid State Disks (SSDs)), etc.
The method provided by the embodiment of the application can be applied to terminal equipment and also can be applied to network equipment.
The Terminal device may also be referred to as a User Equipment (User Equipment, abbreviated as "UE"), a Mobile Station (Mobile Station, abbreviated as "MS"), a Mobile Terminal (Mobile Terminal), or the like, and optionally, the Terminal may have a capability of communicating with one or more core networks through a Radio Access Network (RAN), for example, the Terminal may be a Mobile phone (or referred to as a "cellular" phone), a computer with Mobile property, or the like, and for example, the Terminal may also be a portable, pocket, hand-held, computer-built-in, or vehicle-mounted Mobile device.
A network device may be a base station (e.g., access point) that refers to a device in an access network that communicates over the air-interface, through one or more sectors, with wireless terminals. The base station may be configured to interconvert received air frames and IP packets as a router between the wireless terminal and the rest of the access network, which may include an Internet Protocol (IP) network. The base station may also coordinate management of attributes for the air interface. For example, the base Station may be a Base Transceiver Station (BTS) in GSM or CDMA, a base Station (NodeB) in WCDMA, an evolved Node B (NodeB or eNB or e-NodeB) in LTE, or a gNB in 5G system. The embodiments of the present application are not limited.
The above method process flow may be implemented by a software program, which may be stored in a storage medium, and when the stored software program is called, the above method steps are performed.
As will be appreciated by one skilled in the art, embodiments of the present application may be provided as a method, system, or computer program product. Accordingly, the present application may take the form of an entirely hardware embodiment, an entirely software embodiment or an embodiment combining software and hardware aspects. Furthermore, the present application may take the form of a computer program product embodied on one or more computer-usable storage media (including, but not limited to, disk storage, optical storage, and the like) having computer-usable program code embodied therein.
The present application is described with reference to flowchart illustrations and/or block diagrams of methods, apparatus (systems), and computer program products according to embodiments of the application. It will be understood that each flow and/or block of the flow diagrams and/or block diagrams, and combinations of flows and/or blocks in the flow diagrams and/or block diagrams, can be implemented by computer program instructions. These computer program instructions may be provided to a processor of a general purpose computer, special purpose computer, embedded processor, or other programmable data processing apparatus to produce a machine, such that the instructions, which execute via the processor of the computer or other programmable data processing apparatus, create means for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be stored in a computer-readable memory that can direct a computer or other programmable data processing apparatus to function in a particular manner, such that the instructions stored in the computer-readable memory produce an article of manufacture including instruction means which implement the function specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be loaded onto a computer or other programmable data processing apparatus to cause a series of operational steps to be performed on the computer or other programmable apparatus to produce a computer implemented process such that the instructions which execute on the computer or other programmable apparatus provide steps for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
It will be apparent to those skilled in the art that various changes and modifications may be made in the present application without departing from the spirit and scope of the application. Thus, if such modifications and variations of the present application fall within the scope of the claims of the present application and their equivalents, the present application is intended to include such modifications and variations as well.

Claims (38)

1. An information transmission method, comprising:
determining information of User Equipment (UE) related to monitoring the energy-saving signal;
and notifying the information to the second node through an interface message between the first node and the second node.
2. The method according to claim 1, wherein notifying the second node of the information via an interface message between the first node and the second node comprises:
when a first node triggers a Radio Access Network (RAN) to page, notifying the information to a second node through an interface message between nodes; the interface message is an interface message for sending a RAN paging message between nodes, or a newly defined message.
3. The method according to claim 1, wherein notifying the second node of the information via an interface message between the first node and the second node comprises:
and when the first node sends a Radio Resource Control (RRC) command to inform the UE of entering an inactive state, informing the information to the second node through an inter-node interface message.
4. The method according to any one of claims 1 to 3, wherein the information comprises one or a combination of the following information:
indication information whether the UE supports the capability of monitoring the energy saving signal;
indication information informing a node whether to broadcast an energy-saving signal;
and the UE monitors the related capability information of the energy-saving signal.
5. The method of claim 4, wherein the related capability information comprises:
and the UE monitors gap capability information of the energy-saving signal, wherein the gap is the minimum gap between the energy-saving signal and the time domain position of the PDCCH of the monitoring scheduling paging, and/or the minimum gap between the energy-saving signal and the time domain position of the SSB of the monitoring synchronization signal block.
6. The method according to any one of claims 1 to 3, wherein the interface message further comprises:
and the UE identity ID of the UE in the inactive state.
7. A method according to any one of claims 1 to 3, further comprising:
and the first node acquires the information of the UE related to the monitoring of the energy-saving signal through a core network, or the report of the UE, or the source of the UE accessing a wireless access network node.
8. The method of claim 1, further comprising: and the first node and the second node judge whether the energy-saving signal needs to be sent before the paging message is sent according to the information of the UE related to the monitoring of the energy-saving signal.
9. The method of claim 1, wherein:
the first node is the node in the radio access network that last instructed the UE to enter an inactive state.
10. An information transmission method, comprising:
receiving information related to monitoring energy-saving signals of User Equipment (UE) through interface information between a first node and a second node;
and paging the UE according to the information.
11. The method of claim 10, wherein the information related to listening for power saving signals for the UE is received by the second node via an inter-node interface message when a Radio Access Network (RAN) paging is triggered by a first node, wherein the interface message is an inter-node interface message for sending a RAN paging message or a newly defined message.
12. The method of claim 10, wherein the information related to listening for energy saving signals is received by the second node through an inter-node interface message when the first node sends a Radio Resource Control (RRC) command to inform the UE to enter an inactive state.
13. The method according to any one of claims 10 to 12, wherein the information comprises one or a combination of the following:
indication information whether the UE supports the capability of monitoring the energy saving signal;
indication information informing a node whether to broadcast an energy-saving signal;
and the UE monitors the related capability information of the energy-saving signal.
14. The method of claim 13, wherein the related capability information comprises:
and the UE monitors gap capability information of the energy-saving signal, wherein the gap is the minimum gap between the energy-saving signal and the time domain position of the PDCCH of the monitoring scheduling paging, and/or the minimum gap between the energy-saving signal and the time domain position of the SSB of the monitoring synchronization signal block.
15. The method according to any one of claims 10 to 12, wherein the interface message further comprises:
and the UE identity ID of the UE in the inactive state.
16. The method of claim 10, further comprising:
and judging whether the energy-saving signal needs to be sent before the paging message is sent or not by monitoring the information related to the energy-saving signal of the UE.
17. The method of claim 10, wherein:
the first node is the node in the radio access network that last instructed the UE to enter an inactive state.
18. An information transmission apparatus, characterized in that the apparatus comprises:
a memory for storing program instructions;
a processor for calling the program instructions stored in the memory and executing according to the obtained program:
determining information of User Equipment (UE) related to monitoring the energy-saving signal;
and notifying the information to the second node through an interface message between the first node and the second node.
19. The apparatus of claim 18, wherein notifying the second node of the information via an interface message between the first node and the second node comprises:
when a first node triggers a Radio Access Network (RAN) to page, notifying the information to a second node through an interface message between nodes; the interface message is an interface message for sending a RAN paging message between nodes, or a newly defined message.
20. The apparatus of claim 18, wherein notifying the second node of the information via an interface message between the first node and the second node comprises:
and when the first node sends a Radio Resource Control (RRC) command to inform the UE of entering an inactive state, informing the information to the second node through an inter-node interface message.
21. The apparatus according to any one of claims 18 to 20, wherein the information comprises one or a combination of the following:
indication information whether the UE supports the capability of monitoring the energy saving signal;
indication information informing a node whether to broadcast an energy-saving signal;
and the UE monitors the related capability information of the energy-saving signal.
22. The apparatus of claim 21, wherein the related capability information comprises:
and the UE monitors gap capability information of the energy-saving signal, wherein the gap is the minimum gap between the energy-saving signal and the time domain position of the PDCCH of the monitoring scheduling paging, and/or the minimum gap between the energy-saving signal and the time domain position of the SSB of the monitoring synchronization signal block.
23. The apparatus according to any one of claims 18 to 20, wherein the interface message further comprises:
and the UE identity ID of the UE in the inactive state.
24. The apparatus of any one of claims 18 to 20, wherein the processor is further configured to:
and the first node acquires the information of the UE related to the monitoring of the energy-saving signal through a core network, or the report of the UE, or the source of the UE accessing a wireless access network node.
25. The apparatus of claim 18, wherein the processor is further configured to: and judging whether the energy-saving signal needs to be sent before sending the paging message or not according to the information of the UE related to the monitoring of the energy-saving signal.
26. The apparatus of claim 18, wherein the first node is a node in a radio access network that last instructed the UE to enter an inactive state.
27. An information transmission apparatus, characterized in that the apparatus comprises:
a memory for storing program instructions;
a processor for calling the program instructions stored in the memory and executing according to the obtained program:
receiving information related to monitoring energy-saving signals of User Equipment (UE) through interface information between a first node and a second node;
and paging the UE according to the information.
28. The apparatus of claim 27, wherein the information related to listening for power saving signals for the UE is received by the second node via an inter-node interface message when a Radio Access Network (RAN) page is triggered by a first node, wherein the interface message is an inter-node interface message for sending a RAN paging message or a newly defined message.
29. The apparatus of claim 27, wherein the information related to listening for energy saving signals is received by the second node through an inter-node interface message when the first node sends a Radio Resource Control (RRC) command to inform the UE to enter an inactive state.
30. The apparatus according to any one of claims 27 to 29, wherein the information comprises one or a combination of the following:
indication information whether the UE supports the capability of monitoring the energy saving signal;
indication information informing a node whether to broadcast an energy-saving signal;
and the UE monitors the related capability information of the energy-saving signal.
31. The apparatus of claim 30, wherein the related capability information comprises:
and the UE monitors gap capability information of the energy-saving signal, wherein the gap is the minimum gap between the energy-saving signal and the time domain position of the PDCCH of the monitoring scheduling paging, and/or the minimum gap between the energy-saving signal and the time domain position of the SSB of the monitoring synchronization signal block.
32. The apparatus according to any one of claims 27 to 29, wherein the interface message further comprises:
and the UE identity ID of the UE in the inactive state.
33. The apparatus of claim 27, wherein the processor is further configured to:
and judging whether the energy-saving signal needs to be sent before the paging message is sent or not by monitoring the information related to the energy-saving signal of the UE.
34. The apparatus of claim 27, wherein the processor is further configured to:
and informing the second node of the information of the UE related to the monitoring of the energy-saving signal through an interface message between the first node and the second node.
35. The apparatus of claim 27, wherein the first node is a node in a radio access network that last instructed the UE to enter an inactive state.
36. An information transmission apparatus, comprising:
a determining unit, configured to determine information of a user equipment UE related to monitoring an energy saving signal;
and the notification unit is used for notifying the second node of the information through interface information between the first node and the second node.
37. An information transmission apparatus, comprising:
a receiving unit, configured to receive information related to monitoring an energy saving signal of a user equipment UE through an interface message between a first node and a second node;
and the paging unit is used for paging the UE according to the information.
38. A computer storage medium having stored thereon computer-executable instructions for causing a computer to perform the method of any one of claims 1 to 17.
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