CN116438879A

CN116438879A - Method and device for sending paging message

Info

Publication number: CN116438879A
Application number: CN202080106950.6A
Authority: CN
Inventors: 罗之虎; 金哲
Original assignee: Huawei Technologies Co Ltd
Current assignee: Huawei Technologies Co Ltd
Priority date: 2020-12-29
Filing date: 2020-12-29
Publication date: 2023-07-14
Also published as: WO2022141009A1

Abstract

The application provides a method and a device for sending paging messages, which can reduce the power consumption of terminal equipment when paging exists, and the method comprises the following steps: determining configuration information of a paging message; receiving a first message sent by the network equipment before a first paging opportunity PO, wherein the first message is used for indicating whether to receive a paging message corresponding to the first PO; and when the first message indicates to receive the paging message corresponding to the first PO, receiving the paging message corresponding to the first PO according to the configuration information of the paging message.

Description

Method and device for sending paging message

Technical Field

The present application relates to the field of communications, and more particularly, to a method and apparatus for paging message transmission.

Background

In the New Radio (NR), the states in which the terminal device (UE) is in include three radio resource control IDLE (radio resource control _idle) state, RRC INACTIVE (rrc_inactive) state, and RRC CONNECTED (rrc_connected) state. When the network has downlink data to be sent to the UE in rrc_idle or rrc_inactive state, the network needs to page the UE through a paging (paging) procedure to inform the UE to establish or recover RRC connection, and then can perform data transmission.

UEs in the rrc_idle or rrc_inactive state support reception of paging messages using discontinuous reception (discontinuous reception, DRX) to reduce power consumption. The UE in rrc_idle or rrc_inactive state attempts to receive DCI scrambled by paging radio network temporary identity (paging radio network temporary identifier, P-RNTI) on a certain Paging Occasion (PO) in each paging cycle; after receiving paging triggered by a core network or radio access network equipment, a base station sends DCI for scheduling paging information to a UE, and the UE receives the paging information according to the DCI.

If the UE does not monitor the P-RNTI scrambled DCI at a certain PO, the UE monitoring at that PO may result in wasted power consumption. A first message is programmed into the NR system, which may be referred to as a paging advance indication (paging early indication, PEI), indicating whether one or more POs associated with the first message need to listen. When the UE determines that the subsequent PO is not paged by detecting the first message, the UE can be in a sleep state; when the UE determines that paging exists at the subsequent PO by detecting the first message, the UE is in an active state, and receives paging scheduling information at the PO, and further receives the paging message scheduled by the scheduling information.

When no paging exists, the power consumption of the UE can be saved when the first message exists compared with the case that the first message does not exist; however, when there is a page, having a first message increases network resource overhead and increases UE power consumption compared to having no first message.

Content of the application

The application provides a method and a device for sending paging messages, which can reduce the power consumption of terminal equipment when paging exists.

In a first aspect, a method for sending a paging message is provided, the method comprising: determining configuration information of a paging message; receiving a first message sent by the network equipment before a first paging opportunity PO, wherein the first message is used for indicating whether to receive a paging message corresponding to the first PO; and when the first message indicates to receive the paging message corresponding to the first PO, receiving the paging message corresponding to the first PO according to the configuration information of the paging message.

Based on the technical scheme, the terminal equipment firstly determines the configuration information of the paging message, and when the terminal equipment determines to receive the paging message, the terminal equipment only needs to receive the paging message according to the configuration information of the paging message, and does not need to monitor and receive DCI carrying the scheduling information of the paging message at the PO, so that the power consumption of the terminal equipment in paging can be reduced.

With reference to the first aspect, in certain implementation manners of the first aspect, the method further includes: and receiving a first configuration message sent by the network equipment, wherein the first configuration message comprises configuration information of the paging message. The first configuration message is semi-statically sent and the first PO is within a configuration period of the first configuration message.

Based on the above technical solution, the terminal device may determine the configuration information of the paging message through the first configuration message, and the number of bits indicating the configuration information of the paging message is smaller than the total number of bits of the first configuration message.

With reference to the first aspect, in certain implementation manners of the first aspect, the configuration information of the paging message includes at least one of: frequency domain resource allocation indication information, time domain resource allocation indication information, virtual Resource Block (VRB) to Physical Resource Block (PRB) mapping indication information, coding and modulation scheme (MCS), time domain offset indication information and transport block scaling indication information.

Based on the above technical solution, the terminal device may obtain the necessary information for receiving the paging message through the configuration information of the paging message, so that the implementation of the method of the first aspect, that is, when the terminal device determines to receive the paging message, only needs to receive the paging message according to the configuration information of the paging message, and does not need to monitor and receive DCI carrying the scheduling information of the paging message at the PO, thereby reducing the power consumption of the terminal device when paging is performed.

With reference to the first aspect, in certain implementation manners of the first aspect, the configuration information of the paging message includes at least one of: frequency domain resource allocation indication information, time domain resource allocation indication information, virtual Resource Block (VRB) to Physical Resource Block (PRB) mapping indication information, coding and modulation scheme (MCS) and time domain bias indication information.

With reference to the first aspect, in certain implementation manners of the first aspect, the first message carries transport block scaling indication information.

Considering that the number of the paged UEs is different at different times, that is, the content of the paging message may be different at different times, if the paging message is always transmitted according to a fixed transport block size, a lot of padding bits need to be added to the paging message, so that the transmission efficiency is low, and the performance of the paging message is also affected. Based on the technical scheme, the transmission block scaling indication information is carried by the first message, other necessary information which does not change greatly along with time is carried by the configuration information of the paging message, and the first message has more opportunities for sending than the configuration information of the paging message, so that the transmission block size of the paging message can be adjusted in a more dynamic mode through the first message, and the problems that the transmission efficiency is low and the performance of the paging message is influenced are avoided.

With reference to the first aspect, in certain implementation manners of the first aspect, the time domain bias indication information includes: offset from the end position of the time slot in which the first message is located, and/or offset from the start position of the time slot in which the first message is located, and/or offset from the end position of the time slot in which the first PO is located, and/or offset from the start position of the time slot in which the first PO is located.

Based on the technical scheme, the time domain bias message corresponding to the paging message takes the position of the first PO or the first message as the reference point, and only some bias values are required to be configured, so that compared with the configuration in a mode without the reference point, the signaling overhead can be saved.

In a second aspect, a method for sending a paging message is provided, where the method is applied to a network device paging a terminal device in an idle state or a non-active state, and the method includes: sending a first configuration message to the terminal equipment, wherein the first configuration message comprises configuration information of a paging message; transmitting a first message to the terminal equipment before a first PO, wherein the first message indicates the terminal equipment to receive a paging message corresponding to the first PO; and sending the paging message to the terminal equipment.

Based on the technical scheme, the network equipment can send the configuration information of the paging message through the first configuration message, when the network equipment pages the terminal equipment, the terminal equipment can receive the paging message according to the configuration information of the paging message, and the network equipment does not need to send DCI carrying the scheduling information of the paging message at the PO, so that the resource expense of the network equipment in paging can be reduced.

With reference to the second aspect, in certain implementations of the second aspect, the first configuration message further includes: paging cycle, configuration information of the first message and/or configuration information of the first PO.

Based on the above technical solution, the network device may send the configuration information of the paging message through the first configuration message, and the number of bits indicating the configuration information of the paging message is smaller than the total number of bits of the first configuration message.

With reference to the second aspect, in certain implementations of the second aspect, before sending the first message to the terminal device, the method further includes: and receiving a second message sent by other network equipment, wherein the second message is used for triggering the sending of the first message.

With reference to the second aspect, in certain implementations of the second aspect, the configuration information of the paging message includes at least one of: frequency domain resource allocation indication information, time domain resource allocation indication information, virtual Resource Block (VRB) to Physical Resource Block (PRB) mapping indication information, coding and modulation scheme (MCS), time domain offset indication information and transport block scaling indication information.

Based on the above technical solution, the terminal device may obtain the information necessary for receiving the paging message through the configuration information of the paging message, so that the implementation of the method of the second aspect, that is, when the terminal device determines that the paging message is received, only needs to receive the paging message according to the configuration information of the paging message, the network device does not need to send DCI carrying the scheduling information of the paging message at the PO, thereby reducing the resource overhead of the network device when there is paging.

With reference to the second aspect, in certain implementations of the second aspect, the configuration information of the paging message includes at least one of: frequency domain resource allocation indication information, time domain resource allocation indication information, virtual Resource Block (VRB) to Physical Resource Block (PRB) mapping indication information, coding and modulation scheme (MCS) and time domain bias indication information.

With reference to the second aspect, in certain implementations of the second aspect, the first message carries transport block scaling indication information.

With reference to the second aspect, in certain implementations of the second aspect, the time domain bias indication information includes: offset from the end position of the time slot in which the first message is located, and/or offset from the start position of the time slot in which the first message is located, and/or offset from the end position of the time slot in which the first PO is located, and/or offset from the start position of the time slot in which the first PO is located.

In a third aspect, a method for sending a paging message is provided, the method comprising: receiving a first message sent by the network device before a first Paging Opportunity (PO), wherein the first message carries first indication information and second indication information, the first indication information is used for indicating whether to receive a paging message corresponding to the first PO, the second indication information is used for indicating position information of a downlink control channel (PDCCH) corresponding to the first PO, and the PDCCH is used for carrying Downlink Control Information (DCI) used for scheduling the paging message; when the first indication information indicates that the paging message corresponding to the first PO is received, determining the position of the PDCCH according to the second indication information; monitoring the DCI at the position of the PDCCH; and receiving the paging message corresponding to the first PO according to the DCI.

Based on the technical scheme, the indication information indicates the time slot position, the CCE aggregation level and the candidate PDCCH index of the DCI for scheduling the paging message, so that the number of the candidate PDCCHs corresponding to the DCI for scheduling the paging message which are blindly detected by the terminal equipment can be reduced, and the energy consumption for blindly detecting the PDCCHs by the terminal equipment can be reduced, and therefore, the power consumption of the terminal equipment in paging can be reduced.

With reference to the third aspect, in certain implementations of the third aspect, before receiving the first message sent by the network device before the first paging opportunity PO, the method further includes: and receiving a second configuration message sent by the network equipment, wherein the second configuration message comprises configuration information of the first message and/or configuration information of the first PO. With reference to the third aspect, in certain implementations of the third aspect, the second indication information includes at least one of: the time slot position of the PDCCH, the Control Channel Element (CCE) aggregation level corresponding to the PDCCH, the starting position of the CCE corresponding to the PDCCH and the index of the PDCCH in the candidate PDCCH corresponding to the PDCCH.

In a fourth aspect, a method for sending a paging message is provided, where the method is applied to a network device paging a terminal device in an idle state or a non-active state, and the method includes: before a first paging opportunity PO, a first message is sent to the terminal equipment, wherein the first message carries first indication information and second indication information, the first indication information indicates the terminal equipment to receive a paging message corresponding to the first PO, the second indication information is used for indicating the position information of a downlink control channel PDCCH corresponding to the first PO, and the PDCCH is used for carrying downlink control information DCI used for scheduling the paging message; transmitting the DCI to the terminal device on the PDCCH; and sending the paging message to the terminal equipment.

With reference to the fourth aspect, in some implementations of the fourth aspect, before sending the first message to the terminal device before the first paging opportunity PO, the method further includes: and sending a second configuration message to the terminal equipment, wherein the second configuration message comprises a paging cycle, configuration information of the first message and/or configuration information of the first PO.

With reference to the fourth aspect, in certain implementations of the fourth aspect, the second indication information includes at least one of: the time slot position of the PDCCH, the Control Channel Element (CCE) aggregation level corresponding to the PDCCH, the starting position of the CCE corresponding to the PDCCH and the index of the PDCCH in the candidate PDCCH corresponding to the PDCCH.

In a fifth aspect, there is provided a communication apparatus comprising: comprising means for implementing the functionality of the method as in the first to fourth aspects or any possible implementation of the first to fourth aspects.

In a sixth aspect, a communication chip is provided, comprising a processor and a communication interface, the processor being configured to read instructions to perform a method as in the first to fourth aspects or any possible implementation of the first to fourth aspects.

In a seventh aspect, there is provided a communication device comprising: a processor and a transceiver for receiving computer code or instructions and transmitting to the processor, the processor executing the computer code or instructions as in the first to fourth aspects or in any possible implementation of the first to fourth aspects.

In an eighth aspect, there is provided a computer-readable storage medium storing a computer program; the computer program, when run on a computer, causes the computer to perform the method of the first to fourth aspects or any possible implementation of the first to fourth aspects.

Drawings

Fig. 1 is a schematic flow chart of a core network paging a UE.

Fig. 2 is a schematic flow chart of a base station paging a UE.

Fig. 3 is a schematic diagram of an air interface paging procedure.

Fig. 4 is a schematic diagram of a terminal device receiving a paging message.

Fig. 5 is a schematic diagram of another terminal device receiving a paging message.

Fig. 6 is a schematic diagram of a UE receiving a paging message with/without a first message.

Fig. 7 is a schematic diagram of a communication system architecture to which embodiments of the present application are applicable.

Fig. 8 is a schematic flow chart interaction diagram of a method for sending paging messages according to an embodiment of the present application.

Fig. 9 is a schematic diagram of a determination manner of a paging message start position in an embodiment of the present application.

Fig. 10 is a schematic flow chart interaction diagram of another paging message sending method according to an embodiment of the present application.

Fig. 11 is a schematic block diagram of a communication device according to an embodiment of the present application.

Fig. 12 is a schematic block diagram of another communication device of an embodiment of the present application.

Fig. 13 is a schematic block diagram of another communication device of an embodiment of the present application.

Fig. 14 is a schematic block diagram of another communication device of an embodiment of the present application.

Fig. 15 is a schematic block diagram of a communication device according to an embodiment of the present application.

Detailed Description

The technical solutions in the present application will be described below with reference to the accompanying drawings.

The technical solution of the embodiment of the application can be applied to various communication systems, for example: global system for mobile communications (global system of mobile communication, GSM), code division multiple access (code division multiple access, CDMA) system, wideband code division multiple access (wideband code division multiple access, WCDMA) system, general packet radio service (general packet radio service, GPRS), long term evolution (long term evolution, LTE) system, LTE frequency division duplex (frequency division duplex, FDD) system, LTE time division duplex (time division duplex, TDD), universal mobile telecommunications system (universal mobile telecommunication system, UMTS), worldwide interoperability for microwave access (worldwide interoperability for microwave access, wiMAX) communication system, future fifth generation (5th generation,5G) system, or New Radio (NR), etc.

The terminal device in the embodiments of the present application may refer to a user device, an access terminal, a subscriber unit, a subscriber station, a mobile station, a remote terminal, a mobile device, a user terminal, a wireless communication device, a user agent, or a user apparatus. The terminal device may also be a cellular telephone, a cordless telephone, a session initiation protocol (Session Initiation Protocol, SIP) phone, a wireless local loop (wireless local loop, WLL) station, a personal digital assistant (personal digital assistant, PDA), a handheld device with wireless communication capabilities, a computing device or other processing device connected to a wireless modem, a vehicle-mounted device, a wearable device, a terminal device in a future 5G network or a terminal device in a future evolved public land mobile network (public land mobile network, PLMN), etc., as the embodiments of the application are not limited in this respect.

The network device in the embodiment of the present application may be a device for communicating with a terminal device, where the network device may be a base station (base transceiver station, BTS) in a global system for mobile communications (global system of mobile communication, GSM) or code division multiple access (code division multiple access, CDMA), a base station (NodeB, NB) in a wideband code division multiple access (wideband code division multiple access, WCDMA) system, an evolved NodeB (eNB or eNodeB) in an LTE system, a wireless controller in a cloud wireless access network (cloud radio access network, CRAN) scenario, or the network device may be a relay station, an access point, a vehicle-mounted device, a wearable device, a network device in a future 5G network, or a network device in a future evolved PLMN network, etc., which is not limited in this application.

In NR, the states of the terminal device (UE) include three states, namely, a radio resource control IDLE state (radio resource control _idle, rrc_idle) state, an RRC INACTIVE (rrc_inactive) state, and an RRC CONNECTED state (rrc_connected). The RRC_IDLE state, which can also be called an IDLE state, when the UE is in the IDLE state, the connection between the UE and the air interface of the base station is disconnected, the context information is not stored any more, and the UE can only receive the broadcast information sent by the base station; the RRC_INACTIVE state can also be called as an INACTIVE state, when the UE is in the INACTIVE state, the connection between the UE and an air interface of the base station is disconnected, but the context information is continuously stored, and when the UE enters the connection state from the INACTIVE state, the connection state can be quickly restored based on the stored context information; the rrc_connected state, which may also be referred to as a CONNECTED state, establishes an air interface connection with the network device when the terminal device is in the CONNECTED state, and communicates with the network device according to the air interface connection.

In order to facilitate understanding of the technical solutions provided by the application, a simple description will be made of the paging procedure and the reception of the paging message.

There is no RRC connection between the UE in rrc_idle state and the network, and for the UE in rrc_inactive state, although an RRC connection is established with the network, the connection is suspended. When the network has downlink data to be sent to the UE in rrc_idle or rrc_inactive state, the network needs to page the UE through a paging (paging) procedure to inform the UE to establish or recover RRC connection, and then can perform data transmission. That is, paging is network initiated. In NR, paging may be initiated by the core network, referred to as core network paging (core network paging, CN paging), or by the radio access network (radio access network, RAN), referred to as RAN paging.

When the UE is in rrc_idle state, there is no RRC connection between the UE and the base station (gNB) and no RRC context of the UE exists, i.e. the gNB does not know the existence of the UE, from the perspective of the core network, when the UE is in a connection management IDLE (connection management IDLE, cm_idle) state, e.g. the UE is in an access and mobility management function (access and mobility management function, AMF) state, no non-access stratum (NAS) connection exists between the UE and the core network, but the UE has been assigned a unique identity within the Tracking Area (TA) where the UE is located, the UE has been registered in the AMF and a context exists in the AMF. When the core network needs to send downlink data or downlink NAS signaling to the UE in the cm_idle state, the AMF sends a paging message to all the gnbs in all the TAs registered by the UE, and then the gNB sends a paging message to page the UE through the air interface. After receiving the paging message, the UE in rrc_idle state typically initiates an RRC connection establishment procedure to receive downlink data. As shown in fig. 1, a schematic flow chart of paging a UE by a core network is shown.

The AMF is mainly responsible for interfacing with wireless, receiving and sending NAS information communicated with the UE, managing registration, mobility, accessibility, encryption authentication and the like of the terminal, and transferring the NAS information between the UE and the SMF.

In the rrc_inactive state, although the UE and the gNB simultaneously hold the RRC context, the RRC connection between the UE and the gNB is suspended. At the same time, the connection between the UE and the core network is still maintained, i.e. from the core network point of view the UE is now in the cm_connected state. When the network needs to send data to the UE in rrc_inactive state, e.g. downlink data arrives, the network needs to page the UE because the RRC connection is suspended. Also, since the core network considers the UE in a connected state at this time, the core network does not initiate paging, but initiates paging by the RAN node, e.g., a base station (gNB).

In the rrc_inactive state, the last gNB node serving the UE will save the UE context and maintain the connection with the core network. If the last serving gNB receives downlink data or NAS signaling associated with the UE from the core network while the UE is in RRC_INACTIVE state, the gNB pages the UE on all cells contained in the radio access network (radio access network, RAN) notification area (RAN-based notification area, RNA) to which the UE belongs. If the RNA contains cells on a neighboring gNB, the gNB sends an Xn application protocol (Xn application protocol, xn AP) RAN paging message to the neighboring gNB to inform the neighboring gNB to page the UE on the corresponding cell. After receiving the paging message, the UE in rrc_inactive state typically initiates an RRC connection establishment and recovery procedure to receive downlink data. The RAN announcement area here is a RAN-based announcement area managed by an NG-RAN (e.g., a gNB), and the NG-RAN knows the RNA to which the UE belongs. As shown in fig. 2, a schematic flow chart of a base station paging a UE is shown.

UEs in the rrc_idle or rrc_inactive state support reception of paging messages using discontinuous reception (discontinuous reception, DRX), also known as paging DRX, configured by the network device for reducing power consumption. With DRX, a UE in rrc_idle or rrc_inactive state only "wakes up" for receiving paging messages in a predefined period of time, and may remain in a "dormant" state and stop receiving paging at other times, thereby reducing power consumption and improving battery life of the UE.

For paging DRX, a UE in rrc_idle or rrc_inactive state will only attempt to receive a paging radio network temporary identity (paging radio network temporary identifier, P-RNTI) scrambled PDCCH on a certain Paging Occasion (PO) within each paging cycle. In the NR system, PO is a monitoring occasion (monitoring occasion) of a set of physical downlink control channels (physical downlink control channel, PDCCH). One PO may contain multiple time slots (time slots), which may be subframes or orthogonal frequency division multiplexing (orthogonal frequency division multiplexing, OFDM) symbols, for example. The network device may send downlink control information (downlink control information, DCI) in the PO for scheduling paging messages. In addition, a Paging Frame (PF) is a radio frame that may contain one or more POs or POs start points. When the terminal equipment monitors the PO, the position of the PF is determined, and then the position of the PO associated with the PF is determined. The PO associated with one PF may be started from within the PF or may be started after the PF. The UE may determine the PO location that needs to be monitored according to the paging configuration parameter and the ue_id, and specifically, reference may be made to NR and LTE existing technologies, which are not related to the specific schemes of the present application, and will not be described herein.

Fig. 3 shows a schematic diagram of an air interface paging procedure, where a gcb receives paging triggered by a CN or RAN, and sends paging DCI to a UE, where the paging DCI includes scheduling information of paging messages, and the UE receives the paging messages according to the paging DCI. Before that, the gNB may send configuration information to the UE, where the configuration information includes DRX cycle, PF offset, PO start position, the number of POs included in one PF, and so on. How the UE determines the PO resource location based on these configurations may refer to the NR existing paging mechanism and will not be described here.

Fig. 4 shows a schematic diagram of a terminal device receiving a paging message. In the figure, the UE monitors the PO according to the DRX cycle, and in the first PO in the figure, the UE does not monitor the P-RNTI scrambling DCI. The UE continues to monitor the second PO in the diagram, monitors the P-RNTI scrambling DCI, and receives the paging message scheduled by the DCI.

The first PO is not paged by the UE, but the UE is not informed and still monitors, if the UE can know that the first PO is not paged in advance, the monitoring power consumption can be saved.

Currently, to achieve this, for a UE in rrc_idle or rrc_inactive state, a first message is planned to be introduced in the NR system, which may be referred to as a paging advance indication (paging early indication, PEI). The first message is currently pending in a specific form, possibly in a DCI or sequence similar to the secondary synchronization signal (secondary synchronization signal, SSS) or tracking reference signal (tracking reference signal, TRS) or channel state information reference signal (channel state information reference signal, CSI-RS). For DCI formats, the first message may employ one or more fields to indicate whether one or more POs associated with the first message need to listen. For a form similar to a sequence of SSS or TRS or CSI-RS, the first message may indicate whether the one or more POs with which the first message is associated need to listen in a send sequence and a no send sequence, or the first message may indicate whether the one or more POs with which the first message is associated need to listen in a different sequence. Only a few possible forms are listed here, it being understood that the application is not particularly limited thereto.

After the first message is introduced, there are some changes in the air interface paging receiving procedure, and as shown in fig. 5, another schematic diagram of receiving the paging message by the terminal device is shown. Before the UE monitors the PO and receives the paging DCI, the UE needs to detect the first message, and executes the following actions of monitoring the PO, receiving the paging DCI and paging the message when determining that the PO associated with the first message needs to be monitored.

As shown in fig. 6, a schematic diagram of the UE receiving a paging message with/without the first message is shown. If the gNB enables the first message feature, corresponding to the first message case in FIG. 6, the gNB will send the first message before the PO, and the UE determines whether there is a page at the subsequent PO by detecting the first message. When the UE determines that the subsequent PO is not paged through detecting the first message, the UE can be in a sleep state, and when the UE determines that the subsequent PO is paged through detecting the first message, the UE is in an active state, and the PO receiving paging scheduling information is sent to receive the paging information scheduled by the scheduling information. There is a first message indicating that the gNB enables the first message feature, no first message indicating that the gNB does not enable the first message feature or that the gNB does not support the first message feature. Because the information carried by the first message is less, the duration of the UE detecting the first message is shorter, so that unnecessary monitoring can be reduced through the first message, and further, the UE electricity saving is realized.

As shown in fig. 6, when there is no paging, having the first message saves UE power consumption compared to having no first message; however, when there is a page, there is some negative effect of having the first message compared to not having the first message, see black box in fig. 6, and when there is the first message compared to not having the first message, the network resource overhead is increased, and the power consumption of the UE is increased.

Therefore, the embodiment of the application provides a method for sending the paging message, which can reduce the power consumption of the terminal equipment when paging exists.

The present application is mainly applied to fourth generation (4th generation,4G) and 5G mobile communication systems, and at the same time, the present application may also be applied to other communication systems, as long as there are entities in the communication system that can send information, and there are other entities in the communication system that can receive information. As shown in fig. 7, a schematic diagram of a communication system architecture to which the embodiments of the present application are applicable is shown. The base station and the terminal devices 1 and 6 constitute a communication system in which the base station transmits information to one or more of the terminal devices 1 and 6. Furthermore, the terminal device 4 and the terminal device 6 also constitute a communication system in which the terminal device 5 can send information to one or more of the terminal device 4 and the terminal device 6.

The network element related in the application comprises network equipment and terminal equipment. Network equipment: for receiving an uplink signal from a terminal device or transmitting a downlink signal to the terminal device; the network device may be LTE and/or NR, and specifically may be a base station (NodeB), an evolved base station (eNodeB), a base station in a 5G mobile communication system, a next generation mobile communication base station (next generation Node B, gNB), a base station in a future mobile communication system, or an access node in a Wi-Fi system, etc. Terminal equipment: the terminal device is an entity on the user side for receiving or transmitting signals, and is used for sending uplink signals to the network device or receiving downlink signals from the network device; the intelligent mobile phone system mainly comprises a mobile phone, a car, a tablet personal computer, an intelligent sound box, a train detector, a gas station and other sensors, and has the main functions of collecting data, receiving control information and downlink data of network equipment, transmitting electromagnetic waves and transmitting uplink data to the network equipment.

As shown in fig. 8, a schematic flow chart interaction diagram of a method for sending a paging message according to an embodiment of the present application is shown. The method is applied to the network equipment paging of the terminal equipment in an idle state or a non-activated state.

In the method, the terminal equipment determines the resource position of the paging message, the resource position of the paging message is agreed by both parties or is configured by the network equipment, and when the first message indicates paging, the terminal equipment receives the paging message at the determined resource position without receiving DCI to receive the paging message. The specific process comprises the following steps:

810, the network device sends a first configuration message to the terminal device, where the first configuration message includes configuration information of the paging message. The network device can send the configuration information of the paging message through the first configuration message, when the network device pages the terminal device, the terminal device can receive the paging message according to the configuration information of the paging message, and the network device does not need to send DCI carrying the scheduling information of the paging message at the PO, so that the resource overhead of the network device in paging can be reduced.

820, the terminal device determines configuration information of the paging message.

Specifically, optionally, the terminal device receives a first configuration message sent by the network device, and determines configuration information of the paging message according to the received first configuration message. The first configuration message not only comprises the configuration information of the paging message, but also comprises the configuration information of the first message and the paging cycle. The first message is used to indicate whether the terminal device receives the paging message, and the first message may be called a paging advance indication (paging early indication, PEI), may be called an advanced paging indication EPI, may be called a power saving signal, may be called a wake-up signal, and is not limited in name herein.

It should be appreciated that the configuration information of the first message may be determined according to the configuration information of the first paging opportunity PO, and thus, the configuration information of the first PO associated with the first message may also be included in the first configuration message. The configuration information of the first message is used for the terminal equipment to receive the first message sent by the network equipment, and the configuration information of the paging message is used for the terminal equipment to receive the paging message sent by the network equipment. Therefore, the terminal device can determine the configuration information of the paging message through the first configuration message, the bit number of the configuration information indicating the paging message is smaller than the total bit number of the first configuration message, and in the prior art, the terminal device also needs to receive the first configuration message to determine the configuration information of the first message and the first PO, so that the terminal device does not increase power consumption and new receiving flow when receiving the configuration information of the paging message.

Optionally, the configuration information of the paging message may be agreed in advance by the terminal device and the network device, and need not be sent through the configuration message.

The network device sends 830 a first message to the terminal device before the first paging opportunity PO, the first message being used to indicate whether the terminal device receives the paging message.

Alternatively, the first message may be in the form of DCI, and one field or multiple fields are used to indicate whether the terminal device receives the paging message corresponding to the first PO.

Alternatively, the first message may be in the form of a sequence similar to SSS or TRS or CSI-RS, and the transmitted sequence may be used to indicate whether the terminal device receives the paging message or not, e.g. the transmitted sequence indicates that the terminal device receives the paging message and the non-transmitted sequence indicates that the terminal device does not receive the paging message. Different sequences may also be used to indicate whether the terminal device receives a paging message. The embodiments of the present application are not limited in any way.

Optionally, the network device receives a second message sent by another network device, for example, a core network device or a radio access network device, where the second message is used to trigger the network device to send the first message. The network device is the first message sent in accordance with the received second message.

The terminal device receives 840 the first message sent by the network device before the first PO. Specifically, the terminal device receives a first message sent by the network device according to configuration information of the first message; or the terminal equipment determines the configuration information of the first message according to the configuration information of the PO associated with the first message, and then receives the first message sent by the network equipment according to the configuration information of the first message.

The terminal equipment determines whether to receive the paging message according to the first message. If the network equipment does not send the paging message according to the first message, the terminal equipment does not receive the paging message related to the first message according to the configuration information of the paging message; if the network equipment sends the paging message according to the first message, the terminal equipment receives the paging message associated with the first message according to the configuration information of the paging message.

If the first message sent by the network device to the terminal device indicates to receive the paging message associated with the first message, 850, the network device sends the paging message associated with the first message to the terminal device. If the first message sent by the network device to the terminal device indicates that the paging message associated with the first message is not received, the network device does not send the paging message associated with the first message to the terminal device.

If it is determined that the paging message sent by the network device is received according to the first message, the terminal device receives the paging message associated with the first message according to the determined configuration information of the paging message 860. It should be understood that the terminal device may not send the scheduling information of the paging message received at the first PO according to the configuration information of the first PO.

If the paging message sent by the network equipment is not received according to the first message, the terminal equipment does not receive the paging message associated with the first message.

Wherein, the configuration information of the paging message may include at least one of the following:

(1) Frequency domain resource allocation indication information for indicating a starting Resource Block (RB) position of a paging message and the number of RBs occupied from the starting RB;

(2) Time domain resource allocation indication information, the indication information is used for indicating the number of time units occupied by the paging message. The time unit may be an orthogonal frequency division multiplexing (orthogonal frequency division multiplexing, OFDM) symbol, a single-carrier frequency division multiple access (SC-FDMA) symbol, a slot (slot), a mini-slot, a subframe, or a frame, etc.;

(3) Virtual resource blocks (virtual resource block, VRB) to physical resource blocks (physical resource block, PRB) mapping indication information indicating whether the mapping mode adopts an interleaving mode or a non-interleaving mode. For example, the indication information corresponds to 1 bit, when the bit is set to 0, it indicates that the VRB-to-PRB mapping adopts a non-interleaving manner, and when the bit is set to 1, it indicates that the VRB-to-PRB mapping adopts an interleaving manner;

(4) A coding and modulation scheme (modulation and coding scheme, MCS) for determining a modulation order, a target code rate;

(5) Time domain offset indication information.

As shown in fig. 9, a schematic diagram of a determination manner of a paging message start position is shown. The time domain offset indication information may include at least one of:

1) Offset of the end position of the time slot in which the PO associated with the paging message is located; the indication is the offset of the paging message starting position relative to the ending position of the slot where the PO is located, and the UE can determine the paging message starting position according to the PO position and the indication information. It should be appreciated that the UE needs to determine the location of the PO, and how to determine the PO location may refer to the NR prior art, and will not be described here.

2) Offset of the starting position of the time slot where the PO associated with the paging message is located; the indication is the offset of the paging message starting position relative to the starting position of the slot where the PO is located, and the UE can determine the paging message starting position according to the PO position and the indication information.

3) Biasing an end position of a time slot in which a first message associated with a paging message is located; the indication is a bias of the paging message starting position relative to the ending position of the slot where the first message is located, and the UE can determine the paging message starting position according to the first message position and the indication information.

4) Offset of the starting position of the time slot of the first message associated with the paging message; the indication is a bias of the paging message starting position relative to the starting position of the slot where the first message is located, and the UE can determine the paging message starting position according to the first message position and the indication information.

The time domain bias message corresponding to the paging message takes the position of the first PO or the first message as a reference point, only some bias values need to be configured, and compared with the configuration in a mode without the reference point, the signaling overhead can be saved.

(6) And the transmission block scaling indication information is used for determining a scaling factor, and the scaling factor is used for determining the final transmission block size of the paging message. The determination of the transport block manner based on the scaling factor may be referred to in the NR prior art and will not be described here. As shown in table 1, an example of transport block scaling indication information is shown.

Table 1 an example of transport block scaling indication information

Transport block scaling indicator field	Scaling factor S
00	1
01	0.5
10	0.25

The terminal equipment can acquire the necessary information for receiving the paging message through the configuration information of the paging message, so that the implementation of the method of the first aspect, namely when the terminal equipment determines to receive the paging message, only needs to receive the paging message according to the configuration information of the paging message, and does not need to monitor and receive DCI carrying the scheduling information of the paging message at the PO (physical downlink control channel), thereby reducing the power consumption of the terminal equipment when paging exists.

Considering that NR supports multiple beam (beam) transmissions, paging messages may be sent in multiple beam directions, and thus the resource configuration of paging messages may include multiple sets of configurations, one for each beam direction.

In the multi-beam transmission, only each beam needs to be configured separately for the time domain bias information, and other parameters, the beams are the same, and only one set of parameters can be configured.

The gNB may page a plurality of UEs through one paging message, where the paging message of the RRC layer includes a list of paged UEs, and the content of the paging message is that one UE corresponds to one paging record, where maxNrofPageRec indicates a maximum value of the paging record included in one paging message, and maxnrofpagerec=32, that is, one paging message may page a maximum of 32 UEs.

Considering that the number of the paged UEs is different at different moments, that is, the content of the paging message may be different at different moments, if the paging message is always transmitted according to a fixed transmission block, a lot of padding bits need to be added to the paging message, so that the transmission efficiency is low, and the performance of the paging message is also affected.

Configuration messages typically employ system messages for paging, so that the resource configuration of the paging message is a static or semi-static configuration, with a long period of variation. And there is a first message before each PO, dynamic adjustment of the transport block size of the paging message by the first message is a relatively efficient method. Specifically, the transport block scaling indication information may be indicated in the first message, where the transport block scaling indication information may not be carried in the first configuration message. Considering that the number of the paged UEs is different at different times, that is, the content of the paging message may be different at different times, if the paging message is always transmitted according to a fixed transport block size, a lot of padding bits need to be added to the paging message, so that the transmission efficiency is low, and the performance of the paging message is also affected. Based on the technical scheme, the transmission block scaling indication information is carried by the first message, other necessary information which does not change greatly along with time is carried by the configuration information of the paging message, and the first message has more opportunities for sending than the configuration information of the paging message, so that the transmission block size of the paging message can be adjusted in a more dynamic mode through the first message, and the problems that the transmission efficiency is low and the performance of the paging message is influenced are avoided.

In the technical scheme provided by the embodiment of the application, the terminal equipment firstly determines the configuration information of the paging message, and when the terminal equipment determines to receive the paging message, the terminal equipment only needs to receive the paging message according to the configuration information of the paging message, and does not need to monitor and receive DCI carrying the scheduling information of the paging message at the PO (physical downlink control channel) any more, so that the power consumption of the terminal equipment can be reduced when paging exists.

As shown in fig. 10, a schematic flow chart interaction diagram of another paging message sending method according to an embodiment of the present application is shown. The method is applied to the network equipment paging of the terminal equipment in an idle state or a non-activated state, and the specific process comprises the following steps:

1010, the network device sends a first message to the terminal device before the first paging opportunity PO, where the first message carries first indication information and second indication information, the first indication information is used to instruct the terminal device to receive a paging message corresponding to the first PO, the second indication information is used to instruct location information of a downlink control channel (physical downlink control channel, PDCCH) corresponding to the first PO, and the PDCCH is used to carry downlink control information DCI for scheduling the paging message corresponding to the first PO.

The first indication information may be called a paging advance indication PEI, may be called an advanced paging indication EPI, may be called a power saving signal, may be called a wake-up signal, and the name of the first indication information is not limited herein. Alternatively, the first indication information may be in the form of DCI, and the terminal device may use one field or multiple fields to indicate whether the terminal device receives the paging message associated with the first message. Alternatively, the first indication information may be in the form of a sequence similar to SSS or TRS or CSI-RS, and a transmission sequence and a non-transmission sequence may be used to indicate whether the terminal device receives the paging message, e.g. the transmission sequence indicates that the terminal device receives the paging message and the non-transmission sequence indicates that the terminal device does not receive the paging message. Different sequences may also be used to indicate whether the terminal device receives a paging message. The embodiments of the present application are not limited in any way. It should be understood that the first message may be PEI, and the PEI may include the second indication information, which is not limited in this application.

The second indication information includes at least one of: the time slot position of the PDCCH, the control channel element (control channel element, CCE) aggregation level corresponding to the PDCCH, the starting position of the CCE corresponding to the PDCCH, and the index of the PDCCH in the PDCCH candidates corresponding to the PDCCH.

There are two ways to schedule the search space corresponding to DCI of a paging message: the first way is to multiplex the search space of SIB1, where the search space ID is 0, where the search space is configured by a master information block (master information block, MIB); the second way is to page a dedicated search space where the search space ID is not 0.

Taking the case where the search space ID is 0 as an example, the indication manner of the second indication information will be described in detail. When the multiplexing mode of the SSB and CORESET 0 is pattern1, pattern1 means that SSB and CORESET 0 do not overlap in time domain, and the transmission bandwidth of SSB and the initial downlink BWP corresponding to CORESET 0 overlap in frequency domain. The PDCCH candidate corresponding to search space 0 may be implemented in two consecutive slots at this time. The first message may then use 1 bit (bit) to indicate the slot position of the DCI scheduling the paging message. Table 2 is the CCE aggregation level and the number of PDCCH candidates per CCE aggregation level.

Table 2 CCE aggregation level and number of PDCCH candidates per CCE aggregation level

CCE aggregation level	Number of PDCCH candidates
4	4
8	2
16	1

The first message may indicate a CCE aggregation level using a 3bit joint, and a PDCCH candidate index. As shown in table 3.

Table 3 CCE aggregation level and PDCCH candidate index joint indication examples

The first message adopts 1bit to indicate the time slot position of DCI for dispatching paging message, and indicates the CCE aggregation level corresponding to the DCI for dispatching paging message through 3bit combination, and the candidate PDCCH index under the CCE aggregation level. The resource location of the DCI scheduling the paging message in this way is uniquely determined and the UE does not need to perform blind detection. Compared with the prior art, when the paging is determined through the first message, the UE is informed of no related signaling in the first message, and the UE needs to blindly detect the PDCCH under different aggregation levels.

Similarly, in the case where the search space ID is not 0, the slot position of the DCI in the first message indicating the listening schedule paging message, the CCE aggregation level, and the PDCCH candidate index. The three parameters can be indicated independently or jointly.

1020, the terminal device receives a first message sent by the network device before the first paging opportunity PO. Specifically, the terminal device receives the first message according to the configuration information of the first message.

Optionally, before the network device sends the first message to the terminal device, the network device further sends a second configuration message to the terminal device, where the second configuration message includes a paging cycle and configuration information of the first message. It should be appreciated that the configuration information of the first message may be determined according to the configuration information of the first paging opportunity PO, and thus, the configuration information of the first PO associated with the first message may also be included in the second configuration message.

Alternatively, the configuration information of the first message may be agreed in advance by the terminal device and the network device, and need not be sent through the configuration message.

The terminal equipment determines whether to receive the paging message according to the first indication information.

And 1030, when the first indication information indicates that the paging message corresponding to the first PO is received, the terminal device determines, according to the second indication information, location information of a downlink control channel PDCCH corresponding to the first PO, where the PDCCH is used to carry downlink control information DCI for scheduling the paging message.

1040, if the network device instructs the terminal device to receive the paging message through the first indication information, that is, the network device sends the paging message to the terminal device, the network device sends DCI for scheduling the paging message to the terminal device on the PDCCH corresponding to the first PO; if the network device indicates, through the first indication information, that the terminal device does not receive the paging message, that is, the network device does not send the paging message to the terminal device, the network device does not send DCI for scheduling the paging message to the terminal device.

1050, if the network device indicates, through the first indication information, that the terminal device receives the paging message, the terminal device monitors DCI for scheduling the paging message at a position of the PDCCH corresponding to the first PO; if the network device indicates, through the first indication information, that the terminal device does not receive the paging message, the terminal device does not need to monitor DCI for scheduling the paging message at the first PO.

1060, if the network device indicates, through the first indication information, the terminal device to receive the paging message, the network device sends the paging message associated with the first indication information to the terminal device; if the network equipment indicates that the terminal equipment does not receive the paging message through the first indication information, the network equipment does not send the paging message associated with the first indication information to the terminal equipment.

1070, if the network device indicates the terminal device to receive the paging message through the first indication information, the terminal device receives the paging message associated with the first indication information according to the monitored DCI; if the network device indicates, through the first indication information, that the terminal device does not receive the paging message, the terminal device does not monitor the DCI and does not receive the paging message according to the DCI.

In the technical scheme provided by the embodiment of the application, the first message indicates to monitor the time slot position of the DCI for scheduling the paging message, the CCE aggregation level and the candidate PDCCH index, so that the number of the candidate PDCCHs corresponding to the DCI for scheduling the paging message, which are blindly detected by the terminal equipment, can be reduced, and the energy consumption for blindly detecting the PDCCHs by the terminal equipment can be reduced, thereby reducing the power consumption of the terminal equipment when paging exists.

The embodiment of the application proposes a communication device 1100, which may be applied to a terminal device in the embodiment of the method of fig. 8, or may be a component, such as a chip, for implementing the method in the embodiment of fig. 8. As shown in fig. 11, a schematic block diagram of a communication device 1100 of an embodiment of the present application is shown. The communication apparatus 1100 includes:

a processing unit 1110 configured to determine configuration information of a paging message;

a transceiver unit 1120, configured to receive a first message sent by the network device before a first paging opportunity PO, where the first message is used to indicate whether to receive a paging message corresponding to the first PO;

the transceiver 1120 is further configured to, when the first message indicates to receive a paging message corresponding to the first PO, receive the paging message corresponding to the first PO according to configuration information of the paging message.

Optionally, the transceiver unit 1120 is further configured to receive a first configuration message sent by the network device, where the first configuration message includes configuration information of the paging message.

Optionally, the configuration information of the paging message includes at least one of the following: frequency domain resource allocation indication information, time domain resource allocation indication information, virtual Resource Block (VRB) to Physical Resource Block (PRB) mapping indication information, coding and modulation scheme (MCS), time domain offset indication information and transport block scaling indication information.

Optionally, the configuration information of the paging message includes at least one of the following: frequency domain resource allocation indication information, time domain resource allocation indication information, virtual Resource Block (VRB) to Physical Resource Block (PRB) mapping indication information, coding and modulation scheme (MCS) and time domain bias indication information.

Optionally, the first message carries transport block scaling indication information.

Optionally, the time domain bias indication information includes: offset from the end position of the time slot in which the first message is located, and/or offset from the start position of the time slot in which the first message is located, and/or offset from the end position of the time slot in which the first PO is located, and/or offset from the start position of the time slot in which the first PO is located.

The embodiment of the application proposes a communication device 1200, which may be applied to a network device in the embodiment of the method of fig. 8, or may be a component, such as a chip, for implementing the method in the embodiment of fig. 8. As shown in fig. 12, a schematic block diagram of a communication device 1200 of an embodiment of the present application is shown. The communication apparatus 1200 includes:

a transceiver 1210, configured to send a first configuration message to the terminal device, where the first configuration message includes configuration information of a paging message;

The transceiver 1210 is further configured to send a first message to the terminal device before the first PO, where the first message indicates that the terminal device receives a paging message corresponding to the first PO;

the transceiver unit 1210 is further configured to send the paging message to the terminal device.

Optionally, the first configuration message further includes: paging cycle, configuration information of the first message and/or configuration information of the first PO.

Optionally, the transceiver unit 1210 is further configured to receive a second message sent by another network device, where the second message is used to trigger sending the first message.

The embodiment of the application proposes a communication device 1300, which may be applied to a terminal device in the embodiment of the method of fig. 10, or may be a component, such as a chip, for implementing the method in the embodiment of fig. 10. As shown in fig. 13, a schematic block diagram of a communication device 1300 of an embodiment of the present application is shown. The communication apparatus 1300 includes:

a transceiver unit 1310, configured to receive, before a first paging opportunity PO, a first message sent by the network device, where the first message carries first indication information and second indication information, where the first indication information is used to indicate whether to receive a paging message corresponding to the first PO, the second indication information is used to indicate location information of a downlink control channel PDCCH corresponding to the first PO, and the PDCCH is used to carry downlink control information DCI for scheduling the paging message;

The processing unit 1320 is further configured to determine, when the first indication information indicates that a paging message corresponding to the first PO is received, a location of the PDCCH according to the second indication information;

the transceiver 1310 is further configured to monitor the DCI at the location of the PDCCH;

the transceiver 1310 is further configured to receive the paging message according to the DCI.

Optionally, the transceiver 1310 is further configured to receive a second configuration message sent by the network device, where the second configuration message includes configuration information of the first message and/or configuration information of the first PO.

Optionally, the second indication information includes at least one of: the time slot position of the PDCCH, the Control Channel Element (CCE) aggregation level corresponding to the PDCCH, the starting position of the CCE corresponding to the PDCCH and the index of the PDCCH in the candidate PDCCH corresponding to the PDCCH.

The embodiment of the application proposes a communication device 1400, which may be applied to a network device in the embodiment of the method of fig. 10, or may be a component, such as a chip, for implementing the method in the embodiment of fig. 10. As shown in fig. 14, a schematic block diagram of a communication device 1400 is shown in accordance with an embodiment of the present application. The communication apparatus 1400 includes:

A transceiver unit 1410, configured to send a first message to the terminal device before a first paging opportunity PO, where the first message carries first indication information and second indication information, where the first indication information indicates that the terminal device receives a paging message corresponding to the first PO, and the second indication information is used to indicate location information of a downlink control channel PDCCH corresponding to the first PO, and the PDCCH is used to carry downlink control information DCI for scheduling the paging message;

the transceiver 1410 is further configured to send the DCI to the terminal device on the PDCCH;

the transceiver unit 1410 is further configured to send the paging message to the terminal device.

Optionally, the transceiver unit 1410 is further configured to send a second configuration message to the terminal device, where the second configuration message includes a paging cycle, configuration information of the first message, and/or configuration information of the first PO.

The embodiment of the application proposes a communication device 1500, as shown in fig. 15, and fig. 15 shows a schematic block diagram of a communication device 1500 of the embodiment of the application. The communication apparatus 1500 includes:

a processor 1510 and a transceiver 1520 for receiving computer code or instructions and transmitting to the processor, the processor 1510 running the computer code or instructions to implement the methods in embodiments of the present application.

The processor may be an integrated circuit chip having signal processing capabilities. In implementation, the steps of the above method embodiments may be implemented by integrated logic circuits of hardware in a processor or instructions in software form. The processor may be a general purpose processor, a digital signal processor (digital signal processor, DSP), an application specific integrated circuit (application specific integrated circuit, ASIC), an off-the-shelf programmable gate array (field programmable gate array, FPGA) or other programmable logic device, discrete gate or transistor logic device, discrete hardware components. The disclosed methods, steps, and logic blocks in the embodiments of the present application may be implemented or performed. A general purpose processor may be a microprocessor or the processor may be any conventional processor or the like. The steps of a method disclosed in connection with the embodiments of the present application may be embodied directly in hardware, in a decoded processor, or in a combination of hardware and software modules in a decoded processor. The software modules may be located in a random access memory, flash memory, read only memory, programmable read only memory, or electrically erasable programmable memory, registers, etc. as well known in the art. The storage medium is located in a memory and the processor reads the messages in the memory and, in combination with its hardware, performs the steps of the above method.

The present application also provides a computer-readable storage medium having stored thereon a computer program for implementing the method in the above method embodiments. The computer program, when run on a computer, enables the computer to implement the method of the method embodiments described above.

In addition, the term "and/or" in this application is merely an association relationship describing an association object, and indicates that three relationships may exist, for example, a and/or B may indicate: a exists alone, A and B exist together, and B exists alone. In addition, the character "/" herein generally indicates that the front and rear associated objects are an "or" relationship; the term "at least one" in this application may mean "one" and "two or more", for example, at least one of A, B and C may mean: the seven cases are that A alone, B alone, C alone, A and B together, A and C together, C and B together, A and B together, and C together.

Those of ordinary skill in the art will appreciate that the various illustrative elements and algorithm steps described in connection with the embodiments disclosed herein may be implemented as electronic hardware, or combinations of computer software and electronic hardware. Whether such functionality is implemented as hardware or software depends upon the particular application and design constraints imposed on the solution. Skilled artisans may implement the described functionality in varying ways for each particular application, but such implementation decisions should not be interpreted as causing a departure from the scope of the present application.

It will be clear to those skilled in the art that, for convenience and brevity of description, specific working procedures of the above-described systems, apparatuses and units may refer to corresponding procedures in the foregoing method embodiments, and are not repeated herein.

In the several embodiments provided in this application, it should be understood that the disclosed systems, devices, and methods may be implemented in other manners. For example, the apparatus embodiments described above are merely illustrative, e.g., the division of the units is merely a logical function division, and there may be additional divisions when actually implemented, e.g., multiple units or components may be combined or integrated into another system, or some features may be omitted or not performed. Alternatively, the coupling or direct coupling or communication connection shown or discussed with each other may be an indirect coupling or communication connection via some interfaces, devices or units, which may be in electrical, mechanical or other form.

The units described as separate units may or may not be physically separate, and units shown as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units. Some or all of the units may be selected according to actual needs to achieve the purpose of the solution of this embodiment.

In addition, each functional unit in each embodiment of the present application may be integrated in one processing unit, or each unit may exist alone physically, or two or more units may be integrated in one unit.

The functions, if implemented in the form of software functional units 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 embodied essentially or in a part contributing to the prior art or in a part of the technical solution, in the form of a software product stored in a storage medium, including several instructions for causing a computer device (which may be a personal computer, a server, or a network device, etc.) to perform all or part of the steps of the methods described in the embodiments of the present application. And the aforementioned storage medium includes: a U-disk, a removable hard disk, a Read-Only Memory (ROM), a random access Memory (Random Access Memory, RAM), a magnetic disk, or an optical disk, or other various media capable of storing program codes.

The foregoing is merely specific embodiments of the present application, but the scope of the present application is not limited thereto, and any person skilled in the art can easily think about changes or substitutions within the technical scope of the present application, and the changes and substitutions are intended to be covered by the scope of the present application. Therefore, the protection scope of the present application shall be subject to the protection scope of the claims.

Claims

A method of paging message transmission, the method comprising:

determining configuration information of a paging message;

receiving a first message sent by the network equipment before a first paging opportunity PO, wherein the first message is used for indicating whether to receive a paging message corresponding to the first PO; and when the first message indicates to receive the paging message corresponding to the first PO, receiving the paging message corresponding to the first PO according to the configuration information of the paging message.
The method according to claim 1, wherein the method further comprises:

and receiving a first configuration message sent by the network equipment, wherein the first configuration message comprises configuration information of the paging message.
The method according to claim 1 or 2, wherein the configuration information of the paging message comprises at least one of:

frequency domain resource allocation indication information, time domain resource allocation indication information, virtual Resource Block (VRB) to Physical Resource Block (PRB) mapping indication information, coding and modulation scheme (MCS), time domain offset indication information and transport block scaling indication information.
The method according to claim 1 or 2, wherein the configuration information of the paging message comprises at least one of:

Frequency domain resource allocation indication information, time domain resource allocation indication information, virtual Resource Block (VRB) to Physical Resource Block (PRB) mapping indication information, coding and modulation scheme (MCS) and time domain bias indication information.
The method of claim 4, wherein the first message carries transport block scaling indication information.
The method according to any one of claims 3 to 5, wherein the time domain offset indication information comprises:

offset from the end position of the time slot in which the first message is located, and/or,

offset from the starting position of the time slot in which the first message is located, and/or,

offset from the end of the time slot in which the first PO is located, and/or,

offset from the starting position of the time slot in which the first PO is located.
A method for sending paging messages, which is applied to a network device to page a terminal device in an idle state or an inactive state, comprising:

sending a first configuration message to the terminal equipment, wherein the first configuration message comprises configuration information of a paging message;

transmitting a first message to the terminal equipment before a first PO, wherein the first message indicates the terminal equipment to receive a paging message corresponding to the first PO;

And sending the paging message to the terminal equipment.
The method of claim 7, wherein the first configuration message further comprises:

paging cycle, configuration information of the first message and/or configuration information of the first PO.
The method according to claim 7 or 8, characterized in that before sending the first message to the terminal device, the method further comprises:

and receiving a second message sent by other network equipment, wherein the second message is used for triggering the sending of the first message.
The method according to any of claims 7 to 9, wherein the configuration information of the paging message comprises at least one of:

frequency domain resource allocation indication information, time domain resource allocation indication information, virtual Resource Block (VRB) to Physical Resource Block (PRB) mapping indication information, coding and modulation scheme (MCS), time domain offset indication information and transport block scaling indication information.
The method according to any of claims 7 to 9, wherein the configuration information of the paging message comprises at least one of:

frequency domain resource allocation indication information, time domain resource allocation indication information, virtual Resource Block (VRB) to Physical Resource Block (PRB) mapping indication information, coding and modulation scheme (MCS) and time domain bias indication information.
The method of claim 11, wherein the first message carries transport block scaling indication information.
The method according to any one of claims 10 to 12, wherein the time domain offset indication information comprises:

offset from the end position of the time slot in which the first message is located, and/or,

offset from the starting position of the time slot in which the first message is located, and/or,

offset from the end of the time slot in which the first PO is located, and/or,

offset from the starting position of the time slot in which the first PO is located.
A method of paging message transmission, the method comprising:

receiving a first message sent by the network device before a first Paging Opportunity (PO), wherein the first message carries first indication information and second indication information, the first indication information is used for indicating whether to receive a paging message corresponding to the first PO, the second indication information is used for indicating position information of a downlink control channel (PDCCH) corresponding to the first PO, and the PDCCH is used for carrying Downlink Control Information (DCI) used for scheduling the paging message;

when the first indication information indicates that the paging message corresponding to the first PO is received, determining the position of the PDCCH according to the second indication information;

Monitoring the DCI at the position of the PDCCH;

and receiving the paging message according to the DCI.
The method of claim 14, wherein prior to receiving the first message sent by the network device prior to the first paging opportunity PO, the method further comprises:

and receiving a second configuration message sent by the network equipment, wherein the second configuration message comprises configuration information of the first message and/or configuration information of the first PO.
The method of claim 14 or 15, wherein the second indication information comprises at least one of:

the time slot position of the PDCCH, the Control Channel Element (CCE) aggregation level corresponding to the PDCCH, the starting position of the CCE corresponding to the PDCCH and the index of the PDCCH in the candidate PDCCH corresponding to the PDCCH.
A method for sending paging messages, applied to a network device for paging a terminal device in an idle state or an inactive state, the method comprising:

before a first paging opportunity PO, a first message is sent to the terminal equipment, wherein the first message carries first indication information and second indication information, the first indication information indicates the terminal equipment to receive a paging message corresponding to the first PO, the second indication information is used for indicating the position information of a downlink control channel PDCCH corresponding to the first PO, and the PDCCH is used for carrying downlink control information DCI used for scheduling the paging message;

Transmitting the DCI to the terminal device on the PDCCH;

and sending the paging message to the terminal equipment.
The method of claim 17, wherein prior to sending the first message to the terminal device prior to the first paging opportunity PO, the method further comprises:

and sending a second configuration message to the terminal equipment, wherein the second configuration message comprises a paging cycle, configuration information of the first message and/or configuration information of the first PO.
The method of claim 17 or 18, wherein the second indication information comprises at least one of:

the time slot position of the PDCCH, the Control Channel Element (CCE) aggregation level corresponding to the PDCCH, the starting position of the CCE corresponding to the PDCCH and the index of the PDCCH in the candidate PDCCH corresponding to the PDCCH.
A communication device comprising means for implementing the functionality of the method according to any of claims 1 to 19.
A communication device, comprising: a processor and a transceiver for receiving computer code or instructions and transmitting to the processor, the processor executing the computer code or instructions, the method of any one of claims 1 to 19.
A computer-readable storage medium, comprising:

the computer readable medium stores a computer program;

the computer program, when run on a computer, causes the computer to perform the method of any one of claims 1 to 19.