Paging early indication method based on downlink control information and user equipment

Abstract

A method of introducing a downlink control information (DCI) based paging early indication (PEI) in a 5G / NR network to enhance power consumption is presented. Specifically, when a user equipment (UE) is in an idle mode, a base station (BS) sends a PEI message including a PEI to the UE. The UE can then receive the PEI message in the idle mode and determine whether to monitor a PDCCH scrambled with a paging radio network temporary identifier (P-RNTI) in a PO according to the PEI. In some embodiments, the format of the message including the PEI can include a DCI format.

Description

[0001] Cross-references

[0002] This invention claims priority to the following: U.S. Provisional Patent Application No. 63 / 049,189, filed on July 8, 2020, entitled “DCI-based Paging Early Indicator in NR Idle Mode”, the documents of which are incorporated herein by reference. Technical Field

[0003] Embodiments of the present invention generally relate to wireless communication systems, and more specifically, to paging early indication (PEI) based on downlink control information (DCI) in 5G new radio (NR). Background Technology

[0004] The Third Generation Partner Project (3GPP) and 5G NR mobile telecommunications systems offer high data rates, low latency, and improved system performance. In 3GPP NR, the 5G terrestrial NR access network comprises multiple base stations (BSs) communicating with multiple mobile stations called user equipment (UEs), such as Next Generation Node-B (gNB). Orthogonal Frequency Division Multiple Access (OFDMA) has been selected for NR downlink (DL) radio access schemes due to its robustness to multipath fading, high spectral efficiency, and bandwidth scalability. Multiple access in the downlink can be achieved by allocating different sub-bands of system bandwidth (i.e., groups of subcarriers represented as resource blocks (RBs)) to individual users based on their existing channel conditions. In LTE and NR networks, the Physical Downlink Control Channel (PDCCH) is used for downlink scheduling. The Physical Downlink Shared Channel (PDSCH) is used for downlink data. Similarly, the Physical Uplink Control Channel (PUCCH) carries uplink control information. The Physical Uplink Shared Channel (PUSCH) is used for uplink data. Additionally, the Physical Random-Access Channel (PRACH) is used for the contention-free random access channel (RACH).

[0005] A key use of broadcast messages in any cellular system is to establish a communication channel between the UE and the gNB. This is commonly referred to as paging. Paging is the process by which a wireless network locates the UE before an actual connection is established. Paging is used to alert the UE to enter a session (call). In most cases, the paging process occurs when the UE is in Radio Resource Control (RRC) idle mode. This means the UE must monitor the network for any paging messages and must expend some energy / power to run this "monitoring" process. During idle mode, the UE enters and remains in sleep mode or a power-saving mode defined in the discontinuous reception (DRX) cycle. The UE periodically wakes up and monitors the PDCCH to check for the presence of paging messages. If the PDCCH indicates that a paging message should be sent in a subframe, the UE demodulates the paging channel to see if the paging message is directed to it.

[0006] In NR, paging reception consumes less than 2.5% of the total power. However, due to the synchronization signal block (SSB) transmission scheme in NR, loop operations (including automatic gain control (AGC), frequency tracking loop (FTL), and time tracking loop (TTL)) and measurements (MEAS) can only be performed under certain conditions. Therefore, the interval between the SSB used for loop / MEAS and the paging occasion (PO) is longer, and the UE can enter a light sleep mode during the interval. If an indication exists before paging, and the UE only monitors the PO when paging is indicated, the UE can save power not only on paging reception but also on the light sleep mode between the last SSB and PO interval. Therefore, a pre-paging indication (PEI) can be introduced to achieve further UE power savings. However, the specific details of PEI have not been discussed, and some issues still need to be addressed. Summary of the Invention

[0007] A method for introducing DCI-based PEI in 5G / NR networks to enhance power efficiency is proposed. Specifically, when the UE is in idle mode, the BS sends a PEI message including the PEI to the UE. The UE can then receive the PEI message in idle mode and determine whether to monitor the PDCCH scrambled with the Paging-Radio Network Temporary Identifier (P-RNTI) in the PO based on the PEI. In one embodiment, the format of the PEI message including the PEI may include a DCI format.

[0008] In one embodiment, when the UE is in idle mode, the UE receives a PEI message from the BS. The PEI message includes a PEI. The format of the PEI message includes a DCI format. The UE determines whether to monitor the PDCCH scrambled with P-RNTI in the PO based on the PEI.

[0009] In another embodiment, when the UE is in idle mode, the BS sends a PEI message to the UE. The PEI message includes a PEI that allows the UE to determine whether to monitor the PDCCH scrambled with P-RNTI in the PO. The PEI message is in DCI format.

[0010] The DCI-based PEI method proposed in this invention helps save power consumption in the UE.

[0011] Other embodiments and advantages are described in the following detailed description. This summary is not intended to define the invention. The invention is defined by the claims. Attached Figure Description

[0012] The accompanying drawings illustrate embodiments of the invention, wherein the same numbers denote the same components.

[0013] Figure 1 A paging reception process using PEI in a 5G NR network according to a novel aspect of the present invention is described.

[0014] Figure 2 This is a simplified block diagram illustrating the UE and BS according to various embodiments of the present invention.

[0015] Figure 3 An embodiment of the format of a PEI message including PEI according to a novel aspect of the present invention is described.

[0016] Figure 4A An embodiment of the format of a PEI message including PEI according to a novel aspect of the present invention is described.

[0017] Figure 4B An embodiment of the format of a PEI message including PEI according to a novel aspect of the present invention is described.

[0018] Figure 5A An embodiment of the format of a PEI message including PEI according to a novel aspect of the present invention is described.

[0019] Figure 5B An embodiment of the format of a PEI message including PEI according to a novel aspect of the present invention is described.

[0020] Figure 6 This is a flowchart of a method for enhancing power consumption in a 5G / NR network using DCI-based PEI from the perspective of a novel aspect of the present invention.

[0021] Figure 7 This is a flowchart of a method for enhancing power consumption in a 5G / NR network using DCI-based PEI from a network perspective, based on a novel aspect of the present invention. Detailed Implementation

[0022] Reference will now be made in detail to some embodiments of the present invention, examples of which are shown in the accompanying drawings.

[0023] Figure 1 A paging reception procedure 100 using PEI in a 5G NR network according to novel aspects is described. In 3GPP NR, the 5G NR access network includes multiple BSs, such as next-generation node Bs (gNBs), that communicate with multiple mobile stations called UEs. OFDMA has been selected for the NR DL radio access scheme due to its robustness to multipath fading, high spectral efficiency, and bandwidth scalability. In LTE and NR networks, PDCCH is used for downlink scheduling. PDSCH is used for downlink data. Similarly, PUCCH is used to carry uplink control information. PUSCH is used for uplink data. In addition, PRACH is used for non-contention-based RACH.

[0024] A key use of broadcast messages in any cellular system is to establish a communication channel between the UE and the gNB. This is commonly referred to as paging. Paging is a process used by the wireless network to locate the UE before an actual connection is established. Paging is used to alert the UE to enter a session (call). In most cases, the paging process occurs when the UE is in RRC idle mode. This means that the UE must monitor the network for any paging messages and must expend some energy / power to run this "monitoring" process. During idle mode, the UE enters and remains in sleep mode or an energy-saving mode defined in the DRX cycle. The UE periodically wakes up and monitors the PDCCH to check for the presence of paging messages. If the PDCCH indicates that a paging message should be sent in a subframe, the UE demodulates the paging channel to see if the paging message is directed to it.

[0025] In NR, paging reception consumes less than 2.5% of the total power. However, due to the SSB transmission scheme in NR, loop operations (including AGC, FTL, and TTL) and MEAS can only be performed under certain conditions. Therefore, the interval between the SSB and PO for LOOP / MEAS is longer, and the UE can enter a light sleep mode during the interval. If an indication exists before paging, and the UE only monitors the PO when paging is indicated, the UE can save power not only on paging reception but also on the power consumed during the light sleep between the last SSB and PO interval. Note that in light sleep mode, the UE does not completely shut down its receiver, so the power consumption is higher than in deep sleep mode but lower than in normal mode. Compared to deep sleep mode, light sleep mode requires less switching power to switch to or from normal mode.

[0026] According to a novel aspect, a pre-paging indication such as PEI is introduced to provide energy savings for paging reception. Figure 1 In the example, Figure 1 The paging reception procedure using PEI is described. Note that a group of UEs can be associated with the same PO. During the paging reception procedure 110 using PEI, the UE periodically wakes up and first checks the PEI (step 111). If no UE in the UE group is being paged, the UE stops and enters deep sleep. Otherwise, the UE performs paging PDCCH decoding (step 112) and paging PDSCH decoding (step 113). If the UE itself is not being paged, the UE stops and enters sleep. Otherwise, the UE performs connection establishment (step 114).

[0027] In the paging reception process 110 using PEI, if the PEI indicates negation / no paging in step 111, the UE can skip PO monitoring. The UE's primary receiver is turned on in each paging cycle for LOOP, MEAS, and PEI reception. If the PEI indicates no paging, the UE can turn off its primary receiver and enter deep sleep after performing the required measurements until the next PEI. Note that when the serving cell is below a certain threshold, the UE needs to perform intra-frequency or inter-frequency measurements. Typically, when the UE wakes up for paging monitoring (i.e., each paging cycle), the UE performs the required measurements, and then the UE will remain in deep sleep until the next PEI. Because the PEI is transmitted and is located near the SSB burst, energy saving can be achieved not only for PO monitoring when no UE in the UE group is paging, but also for light sleep and state transitions (e.g., power mode transitions from normal mode to light sleep mode or from light sleep mode to normal mode) between the last SSB / PEI and the PO monitoring interval.

[0028] According to another novel aspect, the physical layer design of PEI can be based on DCI. Specifically, PEI is included in PEI messages, and the format of PEI messages includes one of the DCI formats. The BS sends PEI messages to the UE. Upon receiving the PEI message, the UE determines, based on the PEI included in the PEI message, whether to monitor the PDCCH scrambled with P-RNTI in the PO.

[0029] Figure 2 A simplified block diagram of a system 200 including wireless devices 201 and 211 according to an embodiment of the present invention is described. For the wireless device 201 (e.g., BS), antenna 207 transmits and receives radio signals. RF transceiver 206 is coupled to the antenna, receives RF signals from the antenna, converts them into baseband signals, and sends them to processor 203. RF transceiver 206 also converts baseband signals received from processor 203 into RF signals and sends them to antenna 207. Processor 203 processes the received baseband signals and invokes different functional modules and circuits to perform functions in wireless device 201. Memory 202 stores program instructions and data 210 to control the operation of wireless device 201.

[0030] Similarly, for wireless device 211 (e.g., UE), antenna 217 transmits and receives radio signals. RF transceiver 216 is coupled to the antenna, receives RF signals from the antenna, converts them into baseband signals, and sends them to processor 213. RF transceiver 216 also converts baseband signals received from processor 213 into RF signals and sends them to antenna 217. Processor 213 processes the received baseband signals and invokes different functional modules and circuits to perform functions in wireless device 211. Memory 212 stores program instructions and data 220 to control the operation of wireless device 211.

[0031] Wireless devices 201 and 211 also include multiple functional modules and circuits implemented and configured to perform embodiments of the present invention. Figure 2 In the example, radio device 201 is a base station including a set of control function modules and circuitry 230. Paging and PEI management circuitry 232 performs paging and PEI management (e.g., management of PEI and paging associated with PEI). Configuration and control circuitry 231 provides various parameters to configure and control the UE. Radio device 211 is a UE including a set of control function modules and circuitry 240. Paging and PEI processing circuitry 242 performs paging and PEI processing (e.g., processing PEI and determining whether to monitor a PDCCH scrambled with P-RNTI in the PO based on the PEI). Configuration and control circuitry 241 processes configuration and control parameters from the network.

[0032] Please note that the wireless device can be either a transmitting device or a receiving device. Different functional modules and circuits can be implemented and configured through hardware, firmware, software, and any combination thereof. When executed by processors 203 and 213 (e.g., by executing program instructions and data 210 and 220), the functional modules and circuits allow BS 201 and UE 211 to execute embodiments of the present invention.

[0033] In a novel aspect, BS 201 determines the PEI. In idle mode, UE 211 uses the PEI to determine whether to monitor the PDCCH scrambled with P-RNTI in the PO. BS 201 sends a PEI message including the PEI to UE 211. The PEI message format includes DCI format. UE 211 receives the message including the PEI from BS 201. UE 211 determines whether to monitor the PDCCH scrambled with P-RNTI in the PO based on the PEI.

[0034] Figure 3 An embodiment of the format of a PEI message including PEI according to a novel aspect of the present invention is described. Specifically, the format of PEI message 300 includes DCI format 1_0. Therefore, PEI message 300 may include: a short message indicator field 301, a short message field 302, a frequency domain resource alignment field 303, a time domain resource alignment field 304, a Virtual Resource Block (VRB) to Physical Resource Block (PRB) mapping field 305, a modulation and coding scheme field 306, a Transport Block (TB) scaling field 307, and a reserved bit field 308.

[0035] In one embodiment, at least one of fields 301 to 308 can be reused / reused as a PEI, i.e., at least one of fields 301 to 308 can be configured as a PEI. Furthermore, regarding the Short Message Indicator field 301, at least one unused bit of the Short Message Indicator field 301 can be reused / reused as a PEI, i.e., the field containing the at least one unused bit of the Short Message Indicator field 301 can be configured as a PEI. Regarding the Short Message field 302, one bit of the Short Message field 302 is used for system information (SI) updates, one bit of the Short Message field 302 is used for Earthquake and Tsunami Warning System (ETWS) / Commercial Mobile Alert System (CMAS) notifications, and at least one unused bit of the Short Message field 302 can be reused / reused as a PEI, i.e., except for the bit used for SI updates and the bit used for ETWS / CMAS notifications, at least one unused bit of the Short Message field 302 can be configured as a PEI.

[0036] In one embodiment, when reference signal (RS) information is supported and multiple RS sets are broadcast to a UE in idle mode, at least one of fields 301 to 308 can be configured as an indicator of RS set availability. Furthermore, regarding the Short Message Indicator field 301, at least one unused bit of the Short Message Indicator field 301 can be reused / reused as an indicator of RS set availability; that is, the at least one unused bit of the Short Message Indicator field 301 can be configured as an indicator of RS set availability. Regarding the Short Message field 302, at least one unused bit of the Short Message field 302 can be reused / reused as an indicator of RS set availability; that is, at least one unused bit of field 302 can be configured as an indicator of RS set availability.

[0037] In this embodiment of PEI message 300, PEI message 300 may include a cyclic redundancy check (CRC) field scrambled by P-RNTI. Figure 3 (Not shown in the image).

[0038] Figure 4AAn embodiment of the format of a PEI message including a PEI according to a novel aspect of the present invention is described. Specifically, the format of PEI message 400a includes DCI format 2_6. Thus, PEI message 400a includes: at least one bit 401a configuring the PEI for one or more UEs in idle mode, and multiple fields 402a for the wake-up signal (WUS) and SCell dormancy indication (SDI) of one or more UEs in connected mode.

[0039] For example, bit 401a X can be configured as a PEI, and X can be configured through system information or calculated based on the number of POs and / or subgroups indicated by the corresponding PEI.

[0040] Figure 4B An embodiment of the format of a PEI message including a PEI according to a novel aspect of the present invention is described. Specifically, the format of the PEI message 400b includes DCI format 2_6. Thus, when RS information is supported and multiple RS sets are broadcast to UEs in idle mode, the PEI message 400b includes: at least one bit 401b of the PEI of one or more UEs configured to be in idle mode, at least one bit 402b indicating the availability of RS sets, and multiple fields 403b of WUS and SDI of one or more UEs in connected mode.

[0041] For example, bit 401b of the X-bit can be configured as a PEI, where X can be configured via system information or calculated based on the number of POs and / or subgroups indicated by the corresponding PEI. Bit 402b of the Y-bit can be used to indicate the availability of the RS set, and Y is... Bits, where N is the number of RS sets.

[0042] In these embodiments of PEI messages 400a and 400b, the size of PEI message 400a or 400b can be configured via system information or calculated based on the number of POs and / or subgroups indicated by the PEI included in PEI message 400a or 400b. PEI messages 400a and 400b may each include a CRC field scrambled by P-RNTI (…). Figure 4A and 4B (not shown in the image) or a dedicated new RNTI (e.g., retain RNTI 65520-65533).

[0043] Figure 5AAn embodiment of the format of a PEI message including PEI according to a novel aspect of the present invention is described. Specifically, the format of PEI message 500a includes a new DCI format. Based on the new DCI format, PEI message 500a includes: SI update bit 501a, ETWS / CMAS notification bit 502a, and at least one bit 503a configured as PEI.

[0044] For example, bit 503a X can be configured as a PEI, and X can be configured through system information or calculated based on the number of POs and / or subgroups indicated by the corresponding PEI.

[0045] Figure 5B An embodiment of the format of a PEI message including a PEI according to a novel aspect of the present invention is described. Specifically, the format of the PEI message 500b includes a new DCI format. Based on the new DCI format, when RS information is supported and multiple RS sets are broadcast to a UE in idle mode, the PEI message 500b includes: an SI update bit 501b, an ETWS / CMAS notification bit 502b, at least one bit 503b indicating the availability of RS sets, and at least one bit 504b configured as a PEI.

[0046] For example, bit 504b of the X-bit can be configured as a PEI, where X can be configured via system information or calculated based on the number of POs and / or subgroups indicated by the corresponding PEI. Bit 503b of the Y-bit can be used to indicate the availability of the RS set, and Y is... Bits, where N is the number of RS sets.

[0047] In these embodiments of PEI messages 500a and 500b, the size of PEI message 500a or 500b can be configured via system information or calculated based on the number of POs and / or subgroups indicated by the PEI included in PEI message 500a or 500b. PEI messages 500a and 500b may each include a CRC field scrambled by P-RNTI (…). Figure 5A and 5B (not shown in the image) or a dedicated new RNTI (e.g., retain RNTI 65520-65533).

[0048] In one embodiment, based on the DCI-based PEI described above, the PEI can be notified via a PEI message with DCI format and sent within a given search space (SS). In one embodiment, the given SS for the PEI may include a paging SS. When the identifier of the paging SS (e.g., searchSpaceId) is "0", the UE monitors the SS according to 3GPP Technical Specification (TS) 38.213. When the identifier of the paging SS (e.g., searchSpaceId) is not "0", the UE monitors the SS according to 3GPP TS 38.213. In one embodiment, the given SS for the PEI may include a dedicated SS. When the identifier of the dedicated SS (e.g., searchSpaceId) is "0", the UE monitors the SS according to 3GPP TS 38.213. When the identifier of the dedicated SS (e.g., searchSpaceId) is not "0", the UE monitors the SS according to 3GPP TS 38.213. In addition, the design of a dedicated SS can follow the rules of the common search space set type 0A (i.e., type 0A PDCCH), type 1 (i.e., type 1 PDCCH), or type 2 (i.e., type 2 PDCCH).

[0049] In one embodiment, based on the SS configuration of the given SS used to send PEI, the CORESET indicated in the SS configuration (i.e., the CORESE corresponding to the given SS) is used.

[0050] In one embodiment, under multi-beam operation, the UE may assume that the same PEI message including the PEI is repeated in all transmission beams. Therefore, the beam selected for receiving the PEI message including the PEI depends on the UE implementation. The timing of the PEI is a set of S consecutive PDCCH monitoring timings, where S is the number of SSBs actually transmitted, determined according to the parameter of SSB PositionInBurst in System Information Block 1 (SIB1).

[0051] In other words, the BS can send a PEI message including the PEI through all the transmission beams associated with the UE. The UE then assumes that the same PEI message including the PEI is repeated in all transmission beams and selects at least one of the multiple transmission beams to receive the PEI message.

[0052] Figure 6This is a flowchart of a method for power enhancement using DCI-based PEI in a 5G / NR network from the perspective of a novel aspect of the present invention. In step 601, the UE receives a PEI message when it is in idle mode in the wireless communication network. The PEI message includes a PEI, and the format of the PEI message includes a DCI format. In step 602, the UE determines, based on the PEI, whether to monitor the PDCCH scrambled with P-RNTI in the PO.

[0053] In one embodiment, the DCI format of the PEI message includes DCI format 1_0. Therefore, the PEI message includes a short message indicator field, a short message field, a frequency domain resource alignment field, a time domain resource alignment field, a VRB to PRB mapping field, a modulation and coding scheme field, a TB scaling field, and a reserved bit field.

[0054] In one embodiment, at least one of the following fields is configured as PEI: at least one unused bit of the Short Message Indicator field, at least one unused bit of the Short Message field, frequency domain resource alignment field, time domain resource alignment field, VRB to PRB mapping field, modulation and coding scheme field, TB scaling field, and reserved bit field.

[0055] In one embodiment, when RS information is supported and multiple RS sets are broadcast to a UE in idle mode, at least one of the following fields is configured to indicate the availability of the RS set: at least one unused bit of the Short Message Indicator field, at least one unused bit of the Short Message field, the Frequency Domain Resource Alignment field, the Time Domain Resource Alignment field, the VRB to PRB Mapping field, the Modulation and Coding Scheme field, the TB Scaling field, and the Reserved Bit field.

[0056] In one embodiment, the DCI format of the PEI message includes DCI format 2_6. In one embodiment, the PEI message includes at least one bit of the PEI configured for one or more UEs, and multiple fields of WUS and SDI for one or more UEs. In one embodiment, when RS information is supported and multiple RS sets are broadcast to UEs in idle mode, the PEI message may include at least one bit of the PEI configured for one or more UEs, at least one bit indicating the availability of RS sets, and multiple fields of WUS and SDI for one or more UEs.

[0057] In one embodiment, the DCI format includes a new DCI format. In one embodiment, the PEI message may include SI update bits, ETWS / CMAS notification bits, and at least one bit configured as PEI. In one embodiment, the PEI message may include SI update bits, ETWS / CMAS notification bits, at least one bit indicating the availability of the RS set, and at least one bit configured as PEI.

[0058] Figure 7 This is a flowchart of a method for power enhancement using DCI-based PEI in a 5G / NR network from a network perspective, according to a novel aspect of the present invention. In step 701, the BS determines the PEI. The PEI is used for the UE in idle mode to determine whether to monitor the PDCCH scrambled with P-RNTI in the PO. In step 702, the BS sends a PEI message including the PEI to the UE. The PEI message is in DCI format.

[0059] In one embodiment, the DCI format of the PEI message includes DCI format 1_0. Therefore, the PEI message includes a short message indicator field, a short message field, a frequency domain resource alignment field, a time domain resource alignment field, a VRB to PRB mapping field, a modulation and coding scheme field, a TB scaling field, and a reserved bit field.

[0060] In one embodiment, at least one of the following fields is configured as PEI: at least one unused bit of the Short Message Indicator field, at least one unused bit of the Short Message field, frequency domain resource alignment field, time domain resource alignment field, VRB to PRB mapping field, modulation and coding scheme field, TB scaling field, and reserved bit field.

[0061] In one embodiment, when RS information is supported and multiple RS sets are broadcast to a UE in idle mode, at least one of the following fields is configured to indicate the availability of the RS set: at least one unused bit of the Short Message Indicator field, at least one unused bit of the Short Message field, the Frequency Domain Resource Alignment field, the Time Domain Resource Alignment field, the VRB to PRB Mapping field, the Modulation and Coding Scheme field, the TB Scaling field, and the Reserved Bit field.

[0062] In one embodiment, the DCI format of the PEI message includes DCI format 2_6. In one embodiment, the PEI message includes at least one bit of the PEI configured for one or more UEs, and multiple fields of the WUS and SDI of one or more UEs. In one embodiment, when RS information is supported and multiple RS sets are broadcast to UEs in idle mode, the message may include at least one bit of the PEI configured for one or more UEs, at least one bit indicating the availability of the RS sets, and multiple fields of the WUS and SDI of one or more UEs.

[0063] In one embodiment, the DCI format includes a new DCI format. In one embodiment, the PEI message may include SI update bits, ETWS / CMAS notification bits, and at least one bit configured as PEI. In one embodiment, the message may include SI update bits, ETWS / CMAS notification bits, at least one bit indicating the availability of the RS set, and at least one bit configured as PEI.

[0064] Although the invention has been described in conjunction with certain specific embodiments for guiding purposes, the invention is not limited thereto. Therefore, various modifications, adaptations, and combinations of various features of the described embodiments can be made without departing from the scope of the invention as set forth in the claims.

Claims

1. A paging early indication method based on downlink control information, comprising: In an idle mode, a user equipment in a wireless communication network receives a paging early indication message including a paging early indication, wherein the format of the paging early indication message includes a downlink control information format, the downlink control information format includes a new downlink control information format, and at least one bit of the paging early indication message is configured as the paging early indication. and The user equipment determines, based on the paging early indication, whether to monitor the physical downlink control channel scrambled with the paging radio network temporary identifier during the paging timing.

2. The paging early indication method based on downlink control information as described in claim 1, characterized in that, The downlink control information format of the paging early indication message further includes downlink control information format 1_0 and downlink control information format 2_6.

3. The paging early indication method based on downlink control information as described in claim 2, characterized in that, The downlink control information format of the paging early indication message includes the downlink control information format 1_0, one field of the paging early indication message is configured as the paging early indication, and the field of the paging early indication message is selected from at least one of the following fields: at least one unused bit of the short message indicator field, at least one unused bit of the short message field, frequency domain resource alignment field, time domain resource alignment field, virtual resource block to physical resource block mapping field, modulation and coding scheme field, transport block scaling field, and reserved bit field.

4. The paging early indication method based on downlink control information as described in claim 2, characterized in that, The downlink control information format includes the downlink control information format 1_0, and one field of the paging early indication message is configured as an indicator indicating the availability of a reference signal set, and the field of the paging early indication message is selected from at least one of the following fields: at least one unused bit of the short message indicator field, at least one unused bit of the short message field, frequency domain resource alignment field, time domain resource alignment field, virtual resource block to physical resource block mapping field, modulation and coding scheme field, transport block scaling field, and reserved bit field.

5. The paging early indication method based on downlink control information as described in claim 1, characterized in that, The paging early indication message also includes bits for system information updates and bits for notifications from earthquake and tsunami warning systems or commercial mobile alarm systems.

6. The paging early indication method based on downlink control information as described in claim 1, characterized in that, The paging early indication message also includes at least one bit indicating the availability of the reference information set.

7. The paging early indication method based on downlink control information as described in claim 1, characterized in that, The paging early indication message, which includes the paging early indication, is received based on a search space and a control resource set corresponding to the search space, wherein the search space includes a paging search space or a dedicated search space.

8. The paging early indication method based on downlink control information as described in claim 1, characterized in that, When the paging early indication message including the paging early indication is transmitted via each of the plurality of transmission beams, the paging early indication message including the paging early indication is received via at least one of the plurality of transmission beams.

9. A user equipment for paging early indication based on downlink control information, comprising: The receiver receives, in idle mode, a paging early indication message including a paging early indication, wherein the format of the paging early indication message includes a downlink control information format, the downlink control information format includes a new downlink control information format, and at least one bit of the paging early indication message is configured as the paging early indication. as well as The paging and paging early indication processing circuitry determines, based on the paging early indication, whether to monitor the physical downlink control channel scrambled with the paging radio network temporary identifier during the paging timing.

10. The user equipment as claimed in claim 9, characterized in that, The downlink control information format of the paging early indication message further includes downlink control information format 1_0 and downlink control information format 2_6.

11. The user equipment as claimed in claim 10, characterized in that, The downlink control information format of the paging early indication message includes the downlink control information format 1_0, one field of the paging early indication message is configured as the paging early indication, and the field of the paging early indication message is selected from at least one of the following fields: at least one unused bit of the short message indicator field, at least one unused bit of the short message field, frequency domain resource alignment field, time domain resource alignment field, virtual resource block to physical resource block mapping field, modulation and coding scheme field, transport block scaling field, and reserved bit field.

12. The user equipment as claimed in claim 10, characterized in that, The downlink control information format includes the downlink control information format 1_0, and one field of the paging early indication message is configured as an indicator indicating the availability of a reference signal set, and the field of the paging early indication message is selected from at least one of the following fields: at least one unused bit of the short message indicator field, at least one unused bit of the short message field, frequency domain resource alignment field, time domain resource alignment field, virtual resource block to physical resource block mapping field, modulation and coding scheme field, transport block scaling field, and reserved bit field.

13. The user equipment as claimed in claim 9, characterized in that, The paging early indication message also includes bits for system information updates and bits for notifications from earthquake and tsunami warning systems or commercial mobile alarm systems.

14. The user equipment as claimed in claim 9, characterized in that, The paging early indication message also includes at least one bit indicating the availability of the reference information set.

15. The user equipment as claimed in claim 9, characterized in that, The paging early indication message, which includes the paging early indication, is received based on a search space and a control resource set corresponding to the search space, wherein the search space includes a paging search space or a dedicated search space.

16. The user equipment as claimed in claim 9, characterized in that, When the paging early indication message including the paging early indication is transmitted via each of the plurality of transmission beams, the paging early indication message including the paging early indication is received via at least one of the plurality of transmission beams.

17. A paging early indication method based on downlink control information, comprising: The base station determines an early paging indication, which is used by a user equipment in idle mode to determine whether to monitor the physical downlink control channel scrambled with a paging radio network temporary identifier during a paging event; and The base station sends a paging early indication message to the user equipment, the paging early indication message having a format including a downlink control information format, the downlink control information format including a new downlink control information format, and at least one bit of the paging early indication message being configured as the paging early indication.

18. The paging early indication method based on downlink control information as described in claim 17, characterized in that, The downlink control information format of the paging early indication message further includes downlink control information format 1_0 and downlink control information format 2_6.

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