WO2023241572A1

WO2023241572A1 - Method for reporting idc assistance information to base station, and user equipment

Info

Publication number: WO2023241572A1
Application number: PCT/CN2023/099921
Authority: WO
Inventors: 刘蕾; 刘仁茂
Original assignee: 夏普株式会社; 刘蕾
Priority date: 2022-06-15
Filing date: 2023-06-13
Publication date: 2023-12-21
Also published as: CN117279004A

Abstract

Provided in the present invention are a method for reporting a configuration of IDC assistance information, and a corresponding user equipment, which method is executed by a user equipment and can be used for correctly configuring IDC assistance information for the user equipment. The method for reporting IDC assistance information to a base station comprises: receiving an IDC assistance information parameter configuration from a base station, wherein the IDC assistance information parameter configuration comprises at least one of a TDM assistance information indication that indicates whether to report TDM assistance information to the base station, and an FDM assistance information indication that indicates whether to report enhanced FDM assistance information to the base station; on the basis of the IDC assistance information parameter configuration, determining the IDC assistance information that is indicated to be reported to the base station; and when an IDC issue that a user equipment cannot handle is detected, reporting to the base station the IDC assistance information that is indicated to be reported to the base station.

Description

Method and user equipment for reporting IDC auxiliary information to base station

Technical field

The present invention relates to the field of wireless communication technology, and more specifically, the present invention relates to a method for reporting IDC auxiliary information configuration executed by user equipment and the corresponding user equipment.

Background technique

In order to be able to access multiple networks at the same time, many UEs are equipped with wireless transceivers of different technologies, such as LTE, NR, WiFi, Bluetooth, etc. These transceivers in the same UE are very close to each other. When they operate at adjacent frequencies or sub-harmonic frequencies, they will interfere with each other. This is IDC (in-device coexistence interference) interference, which can also be called the IDC problem.

In order to solve the IDC problem within the UE, the UE detects IDC interference. When it cannot solve the IDC interference by itself, the UE reports auxiliary information to the network, and the network adjusts the scheduling of the UE to solve the problem of 3GPP access technologies (such as LTE, NR, etc.) and IDC interference between non-3GPP access technologies (such as WiFi, Bluetooth, etc.).

In December 2021, at the RAN#94 plenary meeting, a work item on In-Device Co-existence (IDC) enhancements for NR and MR-DC in enhancements for version 18 was proposed (see non-patent document: RP-213589 New WI ：In-Device Co-existence(IDC)enhancements for NR and MR-DC), and approved. The goals of this work item include supporting enhanced FDM methods and supporting TDM methods for solving IDC interference issues between 3GPP and non-3GPP access technologies (such as WiFi). The scenarios targeted include NR independent networking, NR-DC and EN-DC.

The basic concept of the so-called FDM method is that after receiving the IDC auxiliary information reported by the UE, the network combines 3GPP access technology and non-3GPP access technology through inter-frequency switching, deletion/deactivation of SCell, and adjustment of uplink physical resources. Staggered in the frequency domain to avoid IDC interference. The basic concept of the so-called TDM method is to ensure that 3GPP access technology and non-3GPP access technology are staggered in the time domain, that is, the transmission of one technology and the reception of another technology will not occur at the same time, thereby avoiding IDC interference. From the UE side, corresponding auxiliary information needs to be provided to the network for the FDM method and the TDM method.

This invention discusses the related processes of configuring and reporting IDC auxiliary information in the FDM method and the TDM method.

Contents of the invention

The object of the present invention is to provide a method for reporting IDC auxiliary information configuration executed by user equipment and corresponding user equipment that can correctly configure IDC auxiliary information for user equipment.

According to an aspect of the present invention, a method for reporting IDC auxiliary information to a base station performed by user equipment is provided, including: receiving an IDC auxiliary information parameter configuration from the base station, the IDC auxiliary information parameter configuration including indicating whether to report to the base station At least one of a TDM auxiliary information indication that the base station reports TDM auxiliary information and an FDM auxiliary information indication indicating whether to report enhanced FDM auxiliary information to the base station; based on the IDC auxiliary information parameter configuration, determine that the base station is instructed to report the enhanced FDM auxiliary information to the base station The reported IDC assistance information; and in the event that an IDC problem that cannot be solved by the user equipment is detected, reporting the IDC assistance information instructed to be reported to the base station to the base station.

According to another aspect of the present invention, a user equipment is also provided, including: a processor; and a memory storing instructions, wherein the instructions perform the above method when executed by the processor.

According to the present invention, users can correctly report IDC auxiliary information used to assist the base station in providing resource configuration for user equipment, thereby enabling the base station to configure various configuration information for user equipment to solve IDC problems based on the correct IDC auxiliary information. , and then the user can receive resource configuration from the base station that is sufficient to solve the IDC problem.

Description of the drawings

Figure 1 is a flow chart of a method of reporting IDC assistance information to a base station according to an embodiment of the present invention.

Figure 2 is a flow chart of a method of reporting IDC assistance information to a base station according to another embodiment of the present invention.

FIG. 3 is a flow chart for explaining the process of sending IDC assistance information by the user equipment to the base station.

Figure 4 is a schematic structural block diagram of the user equipment UE involved in the present invention.

Detailed ways

The present invention will be described in detail below with reference to the accompanying drawings and specific embodiments. It should be noted that the present invention should not be limited to the specific embodiments described below. In addition, for the sake of simplicity, detailed descriptions of well-known technologies that are not directly related to the present invention are omitted to prevent confusion in the understanding of the present invention.

Some terms involved in the present invention are described below. The specific meanings of the terms can be found in the latest 3GPP standard specifications.

UE: User Equipment user equipment

NR: New Radio, a new generation of wireless technology

MAC: Medium Access Control multimedia access control

MAC CE: MAC control element MAC control element

RLC: Radio Link Control wireless link control

RRC: Radio Resource Control Radio Resource Control

RRC CONNECTED: RRC connected state

RAN: Radio Access Network, wireless access layer

AS: Access Stratum, access layer

IE: Information Element, information element

CE: Control Element, control element

MIB: Master Information Block, master information block

NR: New Radio, new wireless access

E-UTRA: Evolved Universal Terrestrial Radio Access, evolved universal terrestrial wireless access

SIB: System Information Block, system information block

NG-RAN: NG Radio Access Network, a new generation of wireless access network

DCI: Downlink Control Information, downlink control information

PHY: physical layer, physical layer

DRX: Discontinuous Reception, discontinuous reception

Uu: empty mouth

NR-DC: NR-NR Dual Connectivity, NR-NR dual connectivity

EN-DC: E-UTRA NR Dual Connectivity with E-UTRA connected to EPC, dual connection of E-UTRA and NR

FDM: Frequency-division multiplexing, frequency division multiplexing

TDM: Time-division multiplexing, time division multiplexing

MN: Master Node, master node, master station

SN: Secondary Node, auxiliary node, auxiliary station

MCG: Master Cell Group, main cell group

SCG: Secondary Cell Group, secondary cell group

eNB: E-UTRAN NodeB, E-UTRAN base station

gNB: NR base station

BWP: Bandwidth part, partial bandwidth

PRB: Physical resource block, physical resource block

CRB: common resource block, public resource block

Point A: The common reference point of the physical layer resource block grid

CA: Carrier Aggregation, carrier aggregation

HARQ: Hybrid Automatic Repeat reQuest, hybrid automatic repeat request

In the present invention, the network, base station and RAN can be used interchangeably. The network can be a long-term evolution LTE network, a new radio access technology (New RAT, NR) network, an enhanced long-term evolution eLTE network, or a subsequent evolved version of 3GPP. other networks defined in .

In the present invention, the user equipment UE may refer to the NR device that supports IDC auxiliary information reporting described in the background art, or may refer to other types of NR devices or LTE devices.

In the present invention, "feedback", "report", "report", "send" and "notify" can be used interchangeably. "Use", "enable", "adopt", "apply", "enable", "activate", "implement", etc. may be used interchangeably. "Frequency point" and "frequency" can be used interchangeably, and both can be "frequency". MN and MCG are used interchangeably, and SN and SCG are used interchangeably.

It should be noted that in this specification, two words connected by "and", "or", and "and/or" may represent different ways of expressing the same meaning in different application scenarios, and there may be inclusions between them. The relationship with being included does not necessarily refer to completely different content.

Below, a description will be given of the technology related to the present invention.

For NR independent networking:

The network configures IDC parameters for the UE through RRC proprietary signaling, including the NR candidate serving frequency list (candidateServingFreqListNR). The UE detects whether there is an IDC interference problem based on these NR candidate frequencies. When the UE detects an IDC interference problem at the frequency of candidateServingFreqListNR configured by the network, the UE carries the list of carrier frequencies affected by the IDC problem (affectedCarrierFreqList) in the IDC auxiliary information reported to the network. If the uplink CA combination of frequencies included in candidateServingFreqListNR is experiencing an IDC problem and the UE cannot solve it by itself, the auxiliary information reported by the UE to the network carries a list of these carrier frequency combinations (affectedCarrierFreqCombList) affected by the IDC problem. In the enhanced FDM method in version 18, in addition to reporting frequency point lists, BWP lists and/or PRB lists affected by IDC issues can also be reported to provide more fine-grained IDC interference auxiliary information to the network.

For EN-DC networking:

gNB sends candidateServingFreqListNR to eNB through CG-Config message. The eNB configures candidateServingFreqListNR to the UE through RRC proprietary signaling. When the UE detects an IDC problem, the UE carries the E-UTRAN carrier frequency list affected by the IDC problem and the NR carrier frequency list affected by the IDC problem in the IDC auxiliary information reported to the network. After receiving the IDC auxiliary information reported by the UE, the eNB forwards the NR carrier frequency list affected by the IDC problem to the gNB through CG-ConfigInfo.

In LTE, the TDM method is implemented by the UE reporting to the network the uplink and downlink scheduling time information expected by the UE, that is, reporting the expected DRX parameter information and/or the expected HARQ scheduling parameter information.

This invention discusses how the UE processes IDC auxiliary information parameter configuration and how to report IDC auxiliary information after the enhanced FDM method and TDM method are introduced into NR.

Through the present invention, the UE can obtain correct IDC auxiliary information parameter configuration, thereby reporting IDC auxiliary information. At the same time, it can avoid frequent reporting of IDC auxiliary information and reduce power consumption.

The method for reporting IDC auxiliary information to a base station provided by an embodiment of the present invention will be described below with reference to FIGS. 1 and 2 .

As shown in Figure 1, in S102, the IDC auxiliary information parameter configuration from the base station is received. The IDC auxiliary information parameter configuration is used to indicate the IDC auxiliary information that the user equipment needs to report. IDC auxiliary information refers to configuration items that need to be configured by the base station when the user equipment wants the base station to provide the configuration for solving the IDC problem. The IDC assistance information parameter configuration includes at least one of a TDM assistance information indication indicating whether to report TDM assistance information to the base station and an FDM assistance information indication indicating whether to report enhanced FDM assistance information to the base station.

In S104, based on the IDC assistance information parameter configuration, the IDC assistance information instructed to be reported to the base station is determined.

In S106, the user equipment detects whether an IDC problem occurs.

In the case where an IDC problem is detected, in S108, it is determined whether the IDC problem is a problem that the user equipment itself can solve. If so, the user device can resolve the IDC issue on its own.

If the user equipment cannot solve the IDC problem, then in S110, the IDC assistance information instructed to be reported to the base station is reported.

In one example, the IDC auxiliary information parameter configuration and the IDC auxiliary information are configured to differentiate between the MCG side and the SCG side. That is, configure IDC auxiliary information parameter configuration and IDC auxiliary information for the MCG side and SCG side respectively. For example, when the user equipment operates in an NR-DC network, the IDC auxiliary information parameter configuration and the IDC auxiliary information can be configured by distinguishing between the MCG side and the SCG side.

The TDM assistance information indication may include at least one of a DRX desired parameter information indication indicating whether to report DRX desired parameter information to the base station and a HARQ desired scheduling parameter indication indicating whether to report HARQ desired scheduling parameters to the base station.

The FDM assistance information indication may include at least one of a BWP assistance information indication indicating whether to report BWP assistance information to the base station and a PRB assistance information indication indicating whether to report PRB assistance information to the base station. The BWP assistance information indication may include a list of candidate BWPs indicating in which candidate BWPs the user equipment detects the IDC issue. The PRB assistance information indication may include a candidate PRB list indicating in which candidate PRBs the user equipment detects the IDC problem.

In one example, the BWP assistance information indication and/or the PRB assistance information indication are configured corresponding to respective frequencies. For example, the frequency list may be included in the BWP auxiliary information indication, and the BWP list may be included in the frequency list. For example, the frequency list includes BWP corresponding to each frequency. Similarly, a frequency list may be included in the PRB list and the PRB list included in the frequency list. For example, in the frequency list, PRBs corresponding to respective frequencies are included.

Figure 2 is a flow chart of a method of reporting IDC assistance information to a base station according to another embodiment of the present invention. Except for S109, other steps in Figure 2 are the same as those in Figure 1, so their detailed description is omitted here.

In S109, the user equipment further determines whether at least one of the following conditions is currently met: after receiving the IDC assistance information parameter configuration, the IDC assistance information has not been reported to the base station; on the candidate BWP included in the candidate BWP list and /Or an IDC problem that cannot be solved by the user equipment occurs on a candidate PRB included in the candidate PRB list; a given time has elapsed since the last time the IDC auxiliary information was reported to the base station. The given time can be realized, for example, by a timer, and the timer can be initiated when the auxiliary information is reported to the base station. If the timer expires, it is considered that the given time has passed and IDC auxiliary information is allowed to be reported again. Otherwise, if the timer has not expired, it means that the given time has not passed since the last report, so the IDC auxiliary information is not allowed to be reported again.

When at least one of the above conditions is met, the IDC assistance information instructed to be reported to the base station may be reported to the base station in S110.

The order of execution of each step described above can be adjusted. For example, S106 to S108 or S106 to S109 can be executed in parallel with S102 to S104.

Below, several embodiments of the present invention addressing the above problems are described in detail.

Example 1

Optionally, in step 1, the UE receives RRC proprietary signaling sent by the network, which includes IDC assistance information parameter configuration (idc-AssistanceConfig).

Optionally, the IDC auxiliary information parameter configuration may be included in the otherConfig (other configuration) information element of RRC proprietary signaling.

Among them, RRC proprietary signaling includes but is not limited to: RRC reconfiguration message and RRC recovery message. In the NR independent network, the RRC proprietary message is sent to the UE by the gNB; in the EN-DC, the RRC proprietary message can be sent to the UE by the eNB; in the NR-DC, the RRC proprietary message can be sent to the UE by the MN. UE, it can also be sent to the UE by the SN (if SRB3 is configured).

Among them, the IDC auxiliary information parameters may include but are not limited to at least one of the following:

- TDM auxiliary information indication: an indication used by the network to configure whether the UE needs to provide TDM auxiliary information. TDM auxiliary information may refer to information used to assist the network in staggering 3GPP and non-3GPP interference in the time domain (such as expected DRX parameters, expected HARQ parameters number, etc.).

- DRX expected parameter indication: Indicates whether the UE needs to provide the DRX parameters expected by the UE. DRX desired parameters may refer to parameters used to assist the network in adjusting the connection state DRX configuration.

- HARQ expected scheduling parameter indication: Indicates whether the UE needs to provide the HARQ scheduling parameters expected by the UE. The HARQ desired scheduling parameters may refer to parameters used to assist the network in adjusting the HARQ configuration.

- Enhanced FDM auxiliary information indication: Indicates whether the UE needs to provide enhanced FDM auxiliary information. Enhanced FDM auxiliary information can refer to information used to assist the network in staggering 3GPP and non-3GPP interference in the frequency domain (such as a list of carrier frequencies affected by IDC issues, BWP/PRB auxiliary information, etc.).

- BWP auxiliary information indication: Indicates whether the UE needs to provide BWP auxiliary information affected by IDC issues. BWP auxiliary information may refer to auxiliary information used to assist the network in adjusting BWP configuration or deactivating BWP, including but not limited to the list of BWPs affected by IDC issues. BWP auxiliary information can provide finer-grained information compared to carrier frequency auxiliary information (ie, the list of carrier frequencies affected by IDC issues), allowing the network to make finer-grained adjustments to resources.

- PRB auxiliary information indication: Indicates whether the UE needs to provide PRB auxiliary information affected by IDC issues. PRB auxiliary information may refer to auxiliary information used to assist the network in adjusting the PRB configuration or deactivating the PRB, including but not limited to the list of PRBs affected by IDC issues. PRB auxiliary information can provide finer-grained information compared to carrier frequency auxiliary information and BWP auxiliary information, allowing the network to make finer-grained adjustments to resources.

- Candidate BWP list: Instructs the UE in which candidate BWPs to detect IDC problems. Optionally, this list can be included in candidateServingFreqListNR, and a candidate BWP list is configured corresponding to each frequency point in candidateServingFreqListNR. Optionally, each BWP in the candidate BWP list is indicated by a BWP ID.

- Candidate PRB list: Instructs the UE in which candidate PRBs to detect IDC problems. Optionally, this list can be included in candidateServingFreqListNR, and a candidate PRB list is configured corresponding to each frequency point in candidateServingFreqListNR. Optionally, each PRB in the candidate PRB list is identified by a PRB ID, or by an offset value (the offset value may refer to the frequency offset between PRB and CRBO, or the frequency offset between PRB and Point A frequency offset between frequency domain position).

Optionally, the above various instructions and parameter configurations can distinguish the MCG side and/or the SCG side, that is, configure one set of parameters for the MCG side and configure another set of parameters for the SCG side. Through such a method, the MN and SN can independently control whether the UE reports IDC auxiliary information and which IDC auxiliary information is reported. For example: for TDM auxiliary information indication, the IDC auxiliary information parameter may include the TDM auxiliary information indication of the MCG and/or the auxiliary information indication of the SCG side, both indications. The above various instructions and parameter configurations can be configured by distinguishing MCG and SCG, and will not be described again. Optionally, the NR candidate service frequency point list candidateServingFreqListNR can also distinguish the MCG side and SCG side configurations, that is, the IDC auxiliary information contains the NR candidate service frequency point list on the MCG side (for example: candidateServingFreqListMCG) and/or the NR candidates on the SCG side. Service frequency list (for example: candidateServingFreqListSCG). Optionally, since MCG and SCG in the NR-DC scenario are both NR standards, it is impossible to distinguish whether it is the configuration of MCG or the configuration of SCG only through the candidateServingFreqListNR in the existing technology. Therefore, various instructions on the MCG side and/or the SCG side are distinguished. Or the parameter configuration can be configured only in the NR-DC scenario. Optionally, the IDC auxiliary information configuration parameters on the MCG side and the IDC auxiliary information configuration parameters on the SCG side can be sent to the UE through the MN in the same RRC dedicated signaling. Or, optionally, the IDC auxiliary information configuration parameters on the MCG side and the IDC auxiliary information configuration parameters on the SCG side are delivered to the UE by the MN and SN respectively. That is, the IDC auxiliary information configuration parameters on the MCG side can be configured through an RRC dedicated message. The order is delivered to the UE by the MN, and the IDC auxiliary information configuration parameters on the SCG side can be delivered to the UE by the SN through an RRC dedicated signaling.

After the UE receives the IDC assistance information parameter configuration, if idc-AssistanceConfig is set to setup, perform at least one of the following operations:

- If the TDM auxiliary information indication is configured (for example, set to TRUE or setup), the UE considers itself configured to provide TDM auxiliary information (or TDM auxiliary information for the cell group), otherwise it considers itself not configured to provide it. TDM auxiliary information (or TDM auxiliary information of the cell group);

- If the DRX expected parameter indication is configured (for example, set to TRUE or setup), the UE considers itself configured to provide the DRX expected parameters (or the DRX expected parameters of the cell group), otherwise it considers itself not configured to provide it. DRX expects parameters (or or the DRX expected parameters of the cell group);

- If the HARQ expected scheduling parameter indication is configured (for example, set to TRUE or setup), the UE considers itself to be configured to provide the HARQ expected scheduling parameters (or the HARQ scheduling parameters of the cell group), otherwise it considers itself not to be configured. HARQ scheduling parameters (or HARQ expected scheduling parameters of the cell group) must be provided;

- If the enhanced FDM assistance information indication is configured (for example, set to TRUE or setup), the UE considers itself configured to provide enhanced FDM assistance information (or enhanced FDM assistance information for the cell group), otherwise it considers itself is not configured to provide enhanced FDM assistance information (or enhanced FDM assistance information for this cell group);

- If the BWP auxiliary information indication is configured (for example, set to TRUE or setup), the UE considers itself configured to provide BWP auxiliary information (or BWP auxiliary information for the cell group), otherwise it considers itself not configured to provide it. BWP auxiliary information (or BWP auxiliary information of the cell group); or, if the BWP auxiliary information indication is included in the NR candidate service frequency point list, when the BWP auxiliary information indication is configured (for example, set to TRUE or setup), the UE considers It itself is configured to provide BWP auxiliary information at this frequency point, and the denial considers that it is not configured to provide BWP auxiliary information at this frequency point.

- If the PRB auxiliary information indication is configured (for example, set to TRUE or setup), the UE considers itself configured to provide PRB auxiliary information (or PRB auxiliary information for the cell group), otherwise it considers itself not configured to provide it. PRB auxiliary information (or PRB auxiliary information of the cell group); or, if the PRB auxiliary information indication is included in the NR candidate service frequency point list, if the PRB auxiliary information indication is configured (for example, set to TRUE or setup), the UE considers It itself is configured to provide PRB auxiliary information at this frequency point, and the denial considers that it is not configured to provide PRB auxiliary information at this frequency point; or, if the PRB auxiliary information indication is included in the candidate BWP list, if the PRB auxiliary information If the information indication is set to TRUE or setup, the UE considers that its BWP at the frequency point is configured to provide PRB auxiliary information, but denies that the BWP at the frequency point is not configured to provide PRB auxiliary information.

- If the candidate BWP list is configured, or the idc-AssistanceConfig contains the candidate BWP list, the UE considers itself to be configured to provide BWP assistance information (or BWP assistance information for the cell group), otherwise it considers itself not to be configured To mention Provide BWP auxiliary information (or BWP auxiliary information of the cell group); or, if the candidate BWP list is included in the NR candidate service frequency point list, when the candidate BWP list is set, the UE considers that it is being used at this frequency point. If the frequency is configured to provide BWP auxiliary information, the denial considers that the frequency is not configured to provide BWP auxiliary information.

- If the candidate PRB list is configured, or the idc-AssistanceConfig contains the candidate PRB list, the UE considers itself configured to provide PRB assistance information, otherwise it considers itself not configured to provide PRB assistance information; or, if The candidate PRB list is included in the NR candidate service frequency point list. When the candidate PRB list is set, the UE considers that it is configured to provide PRB auxiliary information at this frequency point, and denies that it is not configured at this frequency point. To provide PRB assistance information; or, if the candidate PRB list is included in the candidate BWP list, and if the candidate PRB list is configured, the UE considers that its own BWP at the frequency point is configured to provide PRB assistance information, Denial considers that the BWP at this frequency is not configured to provide PRB auxiliary information.

Among them, the cell group refers to the cell group in which the UE receives the RRC proprietary signaling containing the IDC auxiliary information configuration. That is, if the UE receives the RRC proprietary signaling from the SN, the configuration in it is for the SCG. If That is, if the UE receives the RRC dedicated signaling from the MN, the configuration in it is for the MCG.

If the above related indications of various IDC auxiliary information or candidate list configuration clearly distinguish MCG or SCG, then the UE determines according to the configuration whether it is configured on MCG and needs to provide corresponding auxiliary information, or whether it is configured on SCG and needs to provide corresponding Supplementary information. For example, if candidateServingFreqListNRMCG is configured, the UE considers itself to be configured to provide MCG for the NR frequency list affected by IDC issues; if candidateServingFreqListNRSCG is configured, the UE considers itself to be configured to provide MCG for the NR frequency list affected by IDC issues. Frequency point list. For another example: if the expected DRX parameters of MCG are configured, the UE considers itself configured to provide the expected DRX parameters of MCG; if the expected DRX parameters of SCG are configured, the UE considers itself configured to provide the expected DRX parameters of SCG. The same method is used for other instructions and list configurations above and will not be described again.

Optionally, in step 2, after the UE detects the IDC problem, it sends a UEAssistanceInformation (UE assistance information) message to the network, which contains the IDC assistance information.

Among them, the IDC auxiliary information contains at least one of the following:

- TDM auxiliary information, or TDM auxiliary information of the cell group, or TDM auxiliary information of MCG and/or SCG.

- DRX expected parameters, or DRX expected parameters of the cell group, or DRX expected parameters of MCG and/or SCG.

- HARQ expected scheduling parameters, or HARQ scheduling parameters of the cell group, or HARQ scheduling parameters of MCG and/or SCG.

- Enhanced FDM auxiliary information, or enhanced FDM auxiliary information for the cell group, or enhanced FDM auxiliary information for the MCG and/or SCG.

- BWP auxiliary information, or BWP auxiliary information of the cell group, or BWP auxiliary information of MCG and/or SCG.

- PRB auxiliary information, or PRB auxiliary information of the cell group, or PRB auxiliary information of MCG and/or SCG.

- A list of BWPs affected by IDC problems, or BWP auxiliary information of the cell group, or BWP auxiliary information of MCG and/or SCG, or a list of BWPs affected by IDC problems in a frequency point affected by IDC problems. Optionally, each BWP in the list of BWPs affected by the IDC issue can be identified by a BWP ID.

- The list of PRBs affected by IDC problems, or the list of PRBs affected by IDC problems in the cell group, or the list of PRBs affected by IDC problems in MCG and/or SCG, or the list of PRBs affected by IDC problems in a certain frequency point List of PRBs affected by IDC issues, or list of PRBs affected by IDC issues in a BWP affected by IDC issues. Optionally, each PRB in the list of PRBs affected by the IDC problem is identified by a PRB ID, or by an offset value (the offset value can refer to the frequency offset between the PRB and CRB0, or the PRB The frequency offset from Point A, through which the frequency domain position of the PRB can be obtained).

Example 2

This embodiment is targeted at the scenario where the affected BWP list and/or PRB list is included in the IDC auxiliary information. This embodiment will be described with reference to FIG. 3 . FIG. 3 is a flow chart for explaining the process of sending IDC assistance information by the user equipment to the base station.

Optionally, as shown in Figure 3, in S302, the UE determines whether the current cell status or the UE status satisfies the initiation condition of the IDC assistance information reporting process. The initiation condition mentioned here may correspond to "at least one condition" shown in FIGS. 1 and 2 . For example, the UE performs at least one of the following judgment operations:

- If the UE has not sent (transmission) a UEAssistanceInformation message with IDC assistance information since the UE was configured to provide IDC assistance information;

- If the UE is experiencing an IDC problem that it cannot solve on one or more BWPs and/or PRBs on one or more frequencies included in candidateServingFreqListNR;

- If the UE is experiencing an IDC problem that it cannot solve on one or more PRBs on one or more BWPs on one or more frequencies included in candidateServingFreqListNR;

- If the UE is experiencing an IDC problem that it cannot resolve on one or more BWPs that contain one or more BWPs in the candidate BWP list;

- If the UE is experiencing an IDC problem that it cannot solve on one or more PRBs on one or more BWPs containing one or more BWPs in the candidate BWP list;

- If the UE is experiencing an IDC problem that it cannot resolve on one or more PRBs on one or more BWPs containing one or more BWPs in the candidate PRB list;

- If the prohibition timer T1 is not running, or if the prohibition timer T1 of the cell group is not running.

When at least one of the above initiation conditions is met, in S304, the UE initiates the IDC assistance information reporting process. For example, the UE initiates the sending of a UEAssistanceInformation message. Optionally, at this time, the UE can start the prohibition timer T1, or start the prohibition timer T1 of the cell group. It is prohibited to initiate the IDC auxiliary information reporting process again while the prohibition timer T1 is running.

Then, the UE may further determine whether the conditions for sending the IDC auxiliary information report message are met in S306.

Optionally, the UE continues to perform at least one of the following judgment operations:

- If sending the UEAssistanceInformation message is initiated to provide IDC auxiliary information;

- If the UE is experiencing an IDC problem that it cannot solve on one or more frequencies included in candidateServingFreqListNR;

- If the UE on one or more BWPs and/or PRBs on the IDC-affected frequency is experiencing IDC problems that it cannot solve by itself;

- If the UE is experiencing IDC problems that it cannot solve on one or more PRBs of the BWP affected by IDC.

When at least one of the above sending conditions is met, in S308, the UE generates an IDC assistance information report message and sends it to the base station. For example, the UE includes the affected BWP list and/or PRB list in the UEAssistanceInformation message, and includes an entry in the list for each IDC-affected BWP and/or PRB in the IDC-affected frequency point.

Optionally, if the network configuration BWP auxiliary information and/or PRB auxiliary information distinguishes MCG and SCG, or the network configuration candidate BWP list and/or candidate PRB list distinguishes MCG and SCG, the above-mentioned judgment operation of S302 also Distinguish between MCG and SCG for execution. For example, the UE performs the following operations.

For MCG, the UE performs at least one of the following judgment operations:

- If the UE is experiencing an IDC problem that it cannot solve on one or more BWPs and/or PRBs on one or more frequencies included in candidateServingFreqLisiNRMCG;

- If the UE is experiencing an IDC problem that it cannot solve on one or more PRBs on one or more BWPs on one or more frequencies included in candidateServingFreqListNRMCG;

- If the UE is experiencing an IDC problem that it cannot resolve on one or more BWPs that contain one or more BWPs in the MCG candidate BWP list;

- If the UE is experiencing an IDC problem that it cannot solve on one or more PRBs on one or more BWPs that contain one or more BWPs in the MCG candidate BWP list;

- If the UE is experiencing an IDC problem that it cannot resolve on one or more PRBs on one or more BWPs containing one or more BWPs in the MCG candidate PRB list;

- If MCG inhibit timer T1 is not running.

When at least one of the above conditions is met, the UE initiates the sending of the UEAssistanceInformation message. Optionally, the MCG starts the disable timer T1.

For SCG, the UE performs at least one of the following judgment operations:

- If the UE is experiencing an IDC problem that it cannot solve on one or more BWPs and/or PRBs on one or more frequencies included in candidateServingFreqListNRSCG;

- If the UE is experiencing an IDC problem that it cannot solve on one or more PRBs on one or more BWPs on one or more frequencies included in candidateServingFreqListNRSCG;

- If the UE is experiencing an IDC problem that it cannot solve on one or more BWPs that contain one or more BWPs in the SCG candidate BWP list;

- If the UE is experiencing an IDC problem that it cannot resolve on one or more PRBs on one or more BWPs that include one or more BWPs in the SCG candidate BWP list;

- If the UE is experiencing an IDC problem that it cannot solve on one or more PRBs on one or more BWPs containing one or more SCG candidate PRB lists;

- If SCG inhibit timer T1 is not running.

When at least one of the above conditions is met, the UE initiates the sending of the UEAssistanceInformation message. Optionally, SCG starts disable timer T1.

Figure 4 is a schematic structural block diagram of the user equipment UE involved in the present invention. As shown in Figure 4, the user equipment UE400 includes a processor 401 and a memory 402. The processor 401 may include, for example, a microprocessor, a microcontroller, an embedded processor, or the like. The memory 402 may include, for example, volatile memory (such as random access memory RAM), hard disk drive (HDD), non-volatile memory (such as flash memory), or other memory. Memory 402 stores program instructions. When this instruction is executed by the processor 401, it can execute the above method executed by the user equipment as described in detail in the present invention.

The program running on the device according to the present invention may be a program that causes the computer to implement the functions of the embodiments of the present invention by controlling a central processing unit (CPU). The program or information processed by the program may be temporarily stored in volatile memory (such as random access memory RAM), hard disk drive (HDD), non-volatile memory (such as flash memory), or other memory systems.

Programs for realizing the functions of each embodiment of the present invention can be recorded on a computer-readable recording medium. Corresponding functions can be realized by causing the computer system to read programs recorded on the recording medium and execute these programs. The so-called "computer system" here may be a computer system embedded in the device, which may include an operating system or hardware (such as peripheral devices). The "computer-readable recording medium" may be a semiconductor recording medium, an optical recording medium, a magnetic recording medium, a short-term dynamic storage program recording medium, or any other recording medium readable by a computer.

Various features or functional modules of the devices used in the above-described embodiments may be implemented or performed by circuits (eg, single-chip or multi-chip integrated circuits). Circuitry designed to perform the functions described in this specification may include a general-purpose processor, a digital signal processor (DSP), an application-specific integrated circuit (ASIC), a field-programmable gate array (FPGA), or other programmable logic devices, discrete gate or transistor logic, discrete hardware components, or any combination of the above. A general-purpose processor can be a microprocessor or any existing processor, controller, microcontroller, or state machine. The above circuit may be a digital circuit or an analog circuit. When new integrated circuit technologies emerge to replace existing integrated circuits due to advances in semiconductor technology, one or more embodiments of the present invention may also be implemented using these new integrated circuit technologies.

Furthermore, the present invention is not limited to the above-described embodiment. Although various examples of the embodiments have been described, the invention is not limited thereto. Fixed or non-mobile electronic equipment installed indoors or outdoors can be used as terminal equipment or communication equipment, such as AV equipment, kitchen equipment, cleaning equipment, air conditioners, office equipment, vending machines, and other household appliances.

As above, the embodiments of the present invention have been described in detail with reference to the accompanying drawings. However, the specific structure is not limited to the above-described embodiment, and the present invention also includes any design changes that do not deviate from the gist of the present invention. In addition, various modifications can be made to the present invention within the scope of the claims, and embodiments obtained by appropriately combining the technical means disclosed in different embodiments are also included in the technical scope of the present invention. Furthermore, components having the same effect described in the above embodiments may be substituted for each other.

Claims

A method performed by user equipment to report IDC assistance information to a base station, including:

Receive IDC assistance information parameter configuration from the base station. The IDC assistance information parameter configuration includes a TDM assistance information indication indicating whether to report TDM assistance information to the base station and an FDM assistance indication whether to report enhanced FDM assistance information to the base station. at least one of the information instructions;

Determine IDC assistance information that is instructed to be reported to the base station based on the IDC assistance information parameter configuration; and

In the event that an IDC problem that cannot be solved by the user equipment is detected, the IDC assistance information instructed to be reported to the base station is reported.
The method according to claim 1, wherein the IDC auxiliary information parameter configuration and the IDC auxiliary information are configured to differentiate between the MCG side and the SCG side.
The method according to claim 2, wherein when the user equipment operates in an NR-DC network, the IDC auxiliary information parameter configuration and the IDC auxiliary information are configured to differentiate between the MCG side and the SCG side. .
The method according to any one of claims 1 to 3, wherein the TDM assistance information indication includes a DRX expected parameter information indication indicating whether to report DRX expected parameter information to the base station and a DRX expected parameter information indication indicating whether to report HARQ to the base station at least one of the HARQ desired scheduling parameter indications of the desired scheduling parameters,

and / or

The FDM assistance information indication includes at least one of a BWP assistance information indication indicating whether to report BWP assistance information to the base station and a PRB assistance information indication indicating whether to report PRB assistance information to the base station.
The method of claim 4, wherein the BWP assistance information indication includes a candidate BWP list indicating in which candidate BWPs the user equipment detects the IDC problem,

and / or

The PRB auxiliary information indication includes instructing the user equipment in which candidate PRBs to detect List of candidate PRBs for IDC issues.
The method of claim 5, wherein,

Each BWP in the candidate BWP list is indicated by a BWP ID; and/or

Each PRB in the PRB list is identified by a PRB ID or by an offset value between each PRB and the reference resource.
The method of claim 4, wherein the BWP assistance information indication and/or the PRB assistance information indication are configured corresponding to respective frequencies.
The method according to claim 1, wherein the IDC assistance information parameter configuration includes: a candidate BWP list indicating in which candidate BWPs the user equipment detects the IDC problem, and/or indicating in which candidate PRBs the user equipment detects the IDC problem. List of candidate PRBs for detecting IDC issues in

When an IDC problem that cannot be solved by the user equipment is detected, reporting the IDC auxiliary information that is instructed to report to the base station to the base station includes: when an IDC problem that cannot be solved by the user equipment is detected and meets IDC assistance information reported to the base station under at least one of the following conditions:

After receiving the IDC assistance information parameter configuration, the IDC assistance information has not been reported to the base station;

An IDC problem that cannot be solved by the user equipment occurs on a candidate BWP included in the candidate BWP list and/or on a candidate PRB included in the candidate PRB list;

A given time has elapsed since the IDC assistance information was last reported to the base station.
The method according to claim 8, wherein the IDC auxiliary information parameter configuration and the IDC auxiliary information are configured to differentiate between the MCG side and the SCG side, and the determination of whether the at least one condition is met is configured to differentiate between the MCG side and the SCG side. implement.
A user device including:

processor; and

memory, which stores instructions,

wherein said instructions, when executed by said processor, execute according to any of claims 1 to 9 The method described in one item.