CN111836318B - Method and communication equipment for processing link failure - Google Patents
Method and communication equipment for processing link failure Download PDFInfo
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- CN111836318B CN111836318B CN201910775274.0A CN201910775274A CN111836318B CN 111836318 B CN111836318 B CN 111836318B CN 201910775274 A CN201910775274 A CN 201910775274A CN 111836318 B CN111836318 B CN 111836318B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W36/00—Hand-off or reselection arrangements
- H04W36/0005—Control or signalling for completing the hand-off
- H04W36/0055—Transmission or use of information for re-establishing the radio link
- H04W36/0079—Transmission or use of information for re-establishing the radio link in case of hand-off failure or rejection
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W36/00—Hand-off or reselection arrangements
- H04W36/0005—Control or signalling for completing the hand-off
- H04W36/0083—Determination of parameters used for hand-off, e.g. generation or modification of neighbour cell lists
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
- H04W88/02—Terminal devices
- H04W88/06—Terminal devices adapted for operation in multiple networks or having at least two operational modes, e.g. multi-mode terminals
Abstract
The embodiment of the invention provides a method for processing link failure and communication equipment, wherein the communication equipment comprises: UE1 and UE2, the method comprising: determining that the UE1 is out of wireless link synchronization with a first wireless link in network side multi-connection; if the wireless link is out of step in the first time range, the wireless link failure process is not triggered; and/or, if the radio link loss of synchronization occurs outside the first time range, triggering a radio link failure procedure; wherein the first time refers to a time when the communication device is connected to a corresponding system through the first wireless link. In the embodiment of the invention, the triggering of an unnecessary radio link failure process and the triggering of an unnecessary dual link reconfiguration process can be avoided.
Description
Technical Field
The embodiment of the invention relates to the technical field of communication, in particular to a link failure processing method and communication equipment.
Background
Currently, based on a multi-card terminal (e.g., User Equipment (UE)), when a Subscriber Identity Module (SIM) card 1 is in an EN-DC state and a SIM card 2 is in an unconnected link state, if a network pages the SIM card 2, the UE disconnects an EN-DC Long Term Evolution (LTE) branch (leg) to receive a page of the SIM card 2. Wherein EN-DC means: the method comprises the following steps that a fourth generation mobile communication technology (4G) wireless access network is in double connection with a Fifth generation mobile communication technology (5G) New air interface (NR).
This may result in a radio link failure of the UE at the SIM card 1 detecting the EN-DC control plane. If the UE initiates a radio link failure process at the SIM card 1, the EN-DC may be disconnected, thereby affecting the service of the UE at the SIM card 1.
Disclosure of Invention
An object of the embodiments of the present invention is to provide a method and a communication device for processing a link failure, which solve the problem that when a multi-card terminal detects a radio link failure by using a SIM1, a dual connection of a SIM1 is disconnected due to triggering a radio link failure procedure, thereby affecting other services of a SIM card 1 of the terminal.
In a first aspect, the present invention provides a method for processing a link failure, which is applied to a communication device, where the communication device includes: UE1 and UE2, including:
determining that the UE1 is out of wireless link synchronization with a first wireless link in network side multi-connection;
if the wireless link is out of step in a first time range, a wireless link failure process is not triggered;
and/or the presence of a gas in the gas,
triggering a radio link failure procedure if the radio link loss of synchronization occurs outside the first time range;
wherein the first time refers to a time when the communication device is connected to a corresponding system through the first wireless link.
In a second aspect, an embodiment of the present invention further provides a communication device, where the communication device includes: UE1 and UE2, the communications apparatus further comprising:
a determining module, configured to determine that a radio link of the UE1 and a first radio link in a network-side multi-connection is out of synchronization;
the processing module is used for not triggering the radio link failure processing flow if the radio link is out of step within a first time range; and/or, if the radio link loss of synchronization occurs outside the first time range, triggering a radio link failure processing flow; wherein the first time refers to a time when the communication device is connected to a corresponding system through the first wireless link.
In a third aspect, an embodiment of the present invention further provides a communication device, including: a processor, a memory and a program stored on the memory and executable on the processor, the program, when executed by the processor, implementing the steps of the method of link failure handling as described in the first aspect.
In a fourth aspect, the embodiment of the present invention further provides a computer-readable storage medium, on which a computer program is stored, where the computer program, when executed by a processor, implements the steps of the method for processing link failure according to the first aspect.
In the embodiment of the present invention, when the SIM1 detects a radio link failure, the multi-card terminal may determine whether to trigger a radio link failure procedure according to whether the time of occurrence of radio link desynchronization is within a preset time (for example, TDM pattern configured on the network side), so as to avoid triggering an unnecessary radio link failure procedure and an unnecessary dual-connection link reconfiguration procedure, that is, avoid that when the SIM1 detects a radio link failure, the multi-card terminal triggers the radio link failure procedure to cause the dual-connection disconnection of the SIM1, thereby affecting other services of the terminal SIM card 1.
Drawings
Various other advantages and benefits will become apparent to those of ordinary skill in the art upon reading the following detailed description of the preferred embodiments. The drawings are only for purposes of illustrating the preferred embodiments and are not to be construed as limiting the invention. Also, like reference numerals are used to refer to like parts throughout the drawings. In the drawings:
FIG. 1 is a block diagram of a wireless communication system according to an embodiment of the present invention;
FIG. 2 is a flow chart of a method of link failure handling according to an embodiment of the present invention;
FIG. 3 is one of the schematic diagrams of a communication device of an embodiment of the present invention;
fig. 4 is a second schematic diagram of a communication device according to an embodiment of the invention.
Detailed Description
In order to facilitate understanding of the technical solution of the embodiment of the present invention, the following technical points are introduced below:
regarding Radio Link Monitoring (RLM) and Radio Link Failure (RLF) functions:
RLM functionality is available in both LTE and New Radio (NR) systems.
In the RLM function of LTE, a radio link is monitored by measuring a Signal to Interference plus Noise Ratio (SINR) of a Cell-specific reference Signal (CRS) of a Physical Downlink Control Channel (PDCCH).
And when the measured PDCCH part CRS is lower than a threshold, the wireless link is determined to be out-of-synchronization (out-of-sync). The physical layer informs a higher layer (e.g., Radio Resource Control (RRC) layer) of an out-of-sync indication, and if the RRC layer receives N consecutive out-of-sync indications, the terminal starts a Timer (Timer) T1.
The radio link synchronization (in-sync) is assumed if the measured PDCCH part CRS is above a threshold. The physical layer informs the higher layer (e.g., RRC layer) of an in-sync indication, and if the RRC layer continuously receives M in-sync indications, the terminal stops the operation of the timer T1.
If the timer T1 runs out of time, the terminal determines that the radio link has failed.
Wherein the number of times (N) the "out-of-sync" counts and the number of times (M) the "in-sync" counts are network configured. And the running time of the timer T1 is also configurable on the network side after the number of times is reached.
II, regarding multi-card UE:
one characteristic of the multi-card UE is that it can reside in multiple systems simultaneously, but the multi-card UE is implemented differently, and some UEs can transmit and receive simultaneously in multiple systems without mutual influence.
However, there is also a multi-card UE that can camp on multiple systems simultaneously, for example, it may camp on two systems in a time division manner:
(1) the system 1 resides for a period of time listening for pages (paging) of the system 1 and the system 2 resides for a period of time listening for pages (paging) of the system 2.
(2) Data is sent and received on the system 1 for a while, and the paging is received on the system 2 for a while.
(3) Data is received on system 1 for a period of time and a connection is established or data is received or transmitted to or from system 2 for a period of time.
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The terms "comprises," "comprising," or any other variation thereof, in the description and claims of this application, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus. Furthermore, the use of "and/or" in the specification and claims means that at least one of the connected objects, such as a and/or B, means that three cases, a alone, B alone, and both a and B, exist.
In the embodiments of the present invention, words such as "exemplary" or "for example" are used to mean serving as examples, illustrations or descriptions. Any embodiment or design described as "exemplary" or "e.g.," an embodiment of the present invention is not necessarily to be construed as preferred or advantageous over other embodiments or designs. Rather, use of the word "exemplary" or "such as" is intended to present concepts related in a concrete fashion.
The techniques described herein are not limited to Long Time Evolution (LTE)/LTE Evolution (LTE-Advanced) systems, and may also be used for various wireless communication systems, such as Code Division Multiple Access (CDMA), Time Division Multiple Access (TDMA), Frequency Division Multiple Access (FDMA), Orthogonal Frequency Division Multiple Access (OFDMA), Single-carrier Frequency-Division Multiple Access (SC-FDMA), and other systems.
The terms "system" and "network" are often used interchangeably. CDMA systems may implement Radio technologies such as CDMA2000, Universal Terrestrial Radio Access (UTRA), and so on. UTRA includes Wideband CDMA (Wideband Code Division Multiple Access, WCDMA) and other CDMA variants. TDMA systems may implement radio technologies such as Global System for Mobile communications (GSM). The OFDMA system may implement radio technologies such as Ultra Mobile Broadband (UMB), evolved-UTRA (E-UTRA), IEEE 802.11(Wi-Fi), IEEE 802.16(WiMAX), IEEE 802.20, Flash-OFDM, etc. UTRA and E-UTRA are parts of the Universal Mobile Telecommunications System (UMTS). LTE and higher LTE (e.g., LTE-A) are new UMTS releases that use E-UTRA. UTRA, E-UTRA, UMTS, LTE-A, and GSM are described in documents from an organization named "third Generation Partnership Project" (3 GPP). CDMA2000 and UMB are described in documents from an organization named "third generation partnership project 2" (3GPP 2). The techniques described herein may be used for both the above-mentioned systems and radio technologies, as well as for other systems and radio technologies.
Embodiments of the present invention are described below with reference to the accompanying drawings. The method for processing the link failure and the communication equipment provided by the embodiment of the invention can be applied to a wireless communication system. Referring to fig. 1, an architecture diagram of a wireless communication system according to an embodiment of the present invention is shown. As shown in fig. 1, the wireless communication system may include: network device 10, network device 11, and communication device 12, communication device 12 may communicate (transmit signaling or transmit data) with network device 10 and network device 11. In practical applications, the connections between the above devices may be wireless connections, and fig. 1 illustrates the connections between the devices by solid lines for convenience and convenience in visual representation.
The network device 10 and the network device 11 provided in the embodiment of the present invention may be base stations, which may be commonly used base stations, evolved node base stations (enbs), or network devices in a 5G system (for example, next generation base stations (gnbs) or Transmission and Reception Points (TRPs)).
The communication Device provided by the embodiment of the invention can be a Mobile phone, a tablet Computer, a notebook Computer, an Ultra-Mobile Personal Computer (UMPC), a netbook or a Personal Digital Assistant (PDA), a Mobile Internet Device (MID), a Wearable Device (Wearable Device), a vehicle-mounted Device, or the like.
The communication device 12 may be a multi-card terminal, for example, the communication device 12 includes: a first Subscriber Identity Module (SIM) card and a second SIM card. The communication device 12 may access a first network and a second network through the first SIM card, and the communication device 12 may access a third network through the second SIM card, where the first network and the second network may be of different network standards, for example, the first network is a 5G New Radio (NR) network, and the second network is an LTE network.
It is of course understood that the network systems of the first network, the second network and the third network are not limited in the embodiment of the present invention, and the number of SIM cards in the communication device 12 is not limited.
In the embodiment of the present invention, the SIM card may be a virtual SIM card, or the SIM card may also be an entity SIM card. It should be understood that, in the embodiment of the present invention, the size of the SIM card is not limited, and the SIM card may be a standard-sized SIM card, or a Micro-SIM card, or a Nano-SIM card, etc.
The embodiment of the invention provides a method for processing link failure, wherein the execution main body of the method is communication equipment, and the communication equipment comprises: the first terminal (UE1) and the second terminal (UE2), i.e., the communication device is divided into at least two virtual terminals, including UE1 and UE2, the UE1 and the UE2 are not physical terminals, which is equivalent to integrating at least two virtual terminals (UE1 and UE2) on the communication device, the communication device can be understood as a multi-card terminal, i.e., the UE1 is equivalent to the SIM card 1 in the multi-card terminal, and the UE2 is equivalent to the SIM card 2 in the multi-card terminal.
Referring to fig. 2, the method includes: step 201 and step 202, the concrete steps are as follows:
step 201: determining that the UE1 is out of synchronization with a first radio link in the network side multi-connection;
for example, the communication device may detect whether a radio link out-of-sync (out-of-sync) occurs with a first radio link in the network-side multi-connection with the UE 1.
For example, when the measured PDCCH part CRS of the first radio link is below a threshold, the radio link is deemed out-of-sync.
Step 202: if the wireless link is out of step in the first time range, the wireless link failure process is not triggered; and/or, if the first radio link failure occurs outside the first time range, triggering a radio link failure procedure;
wherein, the first time refers to a time when the communication device is connected to the corresponding system through the first wireless link. Taking the example that the multi-connection is EN-DC, the first time refers to a time when the communication device is connected to the LTE network system through the first wireless link.
The radio link failure procedure may include: the physical layer informs the higher layer (e.g., RRC layer) of an out-of-sync indication, and/or initiates a process of recovering the connection, such as Radio Resource Control (RRC) reestablishment or Master Cell Group (MCG) fast recovery (MCG fast recovery).
In some embodiments, the method may further comprise: if the radio link loss of synchronization occurs in the first time range, not reporting the first radio link failure of the UE1 to the network side; and/or reporting the first radio link failure of the UE1 to a network side if the radio link loss of synchronization occurs outside the first time range.
In some embodiments, the first time is configured by a network side. Further, the first time is issued by the network side after receiving the request of the UE 2.
In some embodiments, the first time may include: a Time Division Multiplexing (TDM) pattern (pattern). For the radio link failure phenomenon in the TDM pattern time period range, the radio link failure process is not triggered; and triggering a radio link failure process for the radio link failure phenomenon outside the TDM pattern time period range.
In some embodiments, the multiple connections may include:
(1) Dual-Connectivity (DC) (EN-DC) of a fourth generation mobile communication technology (4G) Radio access network and a Fifth generation mobile communication technology (5G) New air interface (New Radio, NR);
(2) dual connectivity (NE-DC) of the 5G NR with the 4G radio access network;
(3)5G NR double linkage (NR-DC).
Further, the first wireless link in the multi-connection is a link between the UE1 and the 4G radio access network, but is not limited thereto.
In the embodiment of the present invention, whether to trigger the radio link failure procedure may be determined according to whether the time when the radio link is out of synchronization (or referred to as a radio link failure phenomenon) is within a preset time (for example, TDM pattern configured on the network side), so as to avoid triggering an unnecessary radio link failure procedure and avoiding an unnecessary EN-DC link reconfiguration procedure, thereby ensuring that other services of the UE1 of the communication device are not affected.
Example 1
The multi-card UE carries out EN-DC service through the SIM card 1, and is in a non-connection state through the SIM card 2.
Step 1: when the UE needs to receive a paging or service initiation request from the network at the SIM card 2, the network side may start a TDM pattern and issue it to the UE.
Wherein TDM pattern is LTE branched (leg) for EN-DC.
Step 2: when the UE receives the TDM pattern delivered by the network, the UE behavior includes:
In this example, the network configures the UE with a TDM pattern. For the radio link failure phenomenon in the TDM pattern time period range, the UE does not trigger the radio link failure process; for the radio link failure phenomenon outside the TDM pattern time period range, the UE triggers the radio link failure process, so that the triggering of an unnecessary radio link failure process and the starting of an unnecessary EN-DC link reconfiguration process can be avoided.
The embodiment of the present invention further provides a communication device, and as the principle of solving the problem of the communication device is similar to the link failure processing method in the embodiment of the present invention, the implementation of the communication device may refer to the implementation of the method, and repeated parts are not described again.
Referring to fig. 3, an embodiment of the present invention further provides a communication device, where the communication device 300 includes: a first UE1 (not shown) and a UE2 (not shown), the communications apparatus 300 further comprising:
a determining module 301, configured to determine that a radio link of the UE1 and a first radio link in a network-side multi-connection is out of synchronization;
a processing module 302, configured to not trigger a radio link failure procedure if the radio link is out of synchronization within a first time range; and/or, if the radio link loss of synchronization occurs outside the first time range, triggering a radio link failure procedure;
wherein the first time refers to a time when the communication device is connected to the corresponding system through the first wireless link.
In some embodiment modes, the processing module 302 is further configured to:
if the radio link loss of synchronization occurs within the first time range, not reporting the first radio link failure of the UE1 to a network side;
alternatively, the first and second electrodes may be,
and reporting the first radio link failure of the UE1 to a network side if the radio link loss of synchronization occurs outside the first time range.
In some embodiments, the first time is configured by a network side. Further, the first time is issued by the network side after receiving the request of the UE 2.
In some embodiments, the first time may include: time division multiplexing pattern (TDM pattern). For the radio link failure phenomenon in the TDM pattern time period range, the radio link failure process is not triggered; and triggering a radio link failure process for the radio link failure phenomenon outside the TDM pattern time period range.
In some embodiments, the multiple connections may include any one of:
(1)EN-DC；
(2)NE-DC；
(3)NR-DC。
further, the first wireless link is a link between the UE1 and the 4G radio access network, but is of course not limited thereto.
The communication device provided by the embodiment of the present invention may execute the above method embodiment, and the implementation principle and technical effect are similar, which are not described herein again.
Referring to fig. 4, fig. 4 is a structural diagram of a communication device applied in the embodiment of the present invention, and as shown in fig. 4, the communication device 400 includes: a processor 401, a transceiver 402, a memory 403, and a bus interface, wherein:
in one embodiment of the present invention, the communication device 400 further comprises: a program stored in the memory 403 and executable on the processor 401, the program when executed by the processor 401 implementing the steps of: determining that the UE1 is out of synchronization with a first radio link in the network side multi-connection; if the wireless link is out of step in the first time range, the wireless link failure process is not triggered; and/or, if the radio link loss of synchronization occurs outside the first time range, triggering a radio link failure procedure; wherein, the first time refers to a time when the communication device is connected to the corresponding system through the first wireless link.
In FIG. 4, the bus architecture may include any number of interconnected buses and bridges, with one or more processors, represented by processor 401, and various circuits, represented by memory 403, being linked together. The bus architecture may also link together various other circuits such as peripherals, voltage regulators, power management circuits, and the like, which are well known in the art, and therefore, will not be described any further herein. The bus interface provides an interface. The transceiver 402 may be a number of elements including a transmitter and a receiver that provide a means for communicating with various other apparatus over a transmission medium.
The processor 401 is responsible for managing the bus architecture and general processing, and the memory 403 may store data used by the processor 401 in performing operations.
The communication device provided by the embodiment of the present invention may execute the above method embodiment, and the implementation principle and technical effect are similar, which are not described herein again.
The steps of a method or algorithm described in connection with the disclosure herein may be embodied in hardware or in software instructions executed by a processor. The software instructions may be comprised of corresponding software modules that may be stored in Random Access Memory (RAM), flash Memory, Read-Only Memory (ROM), Erasable Programmable ROM (EPROM), Electrically Erasable Programmable ROM (EEPROM), registers, a hard disk, a removable hard disk, a compact disc Read Only Memory (cd-ROM), or any other form of storage medium known in the art. An exemplary storage medium is coupled to the processor such the processor can read information from, and write information to, the storage medium. Of course, the storage medium may also be integral to the processor. The processor and the storage medium may reside in an Application Specific Integrated Circuit (ASIC). Additionally, the ASIC may reside in a core network interface device. Of course, the processor and the storage medium may reside as discrete components in a core network interface device.
Those skilled in the art will recognize that, in one or more of the examples described above, the functions described in this invention may be implemented in hardware, software, firmware, or any combination thereof. When implemented in software, the functions may be stored on or transmitted over as one or more instructions or code on a computer-readable medium. Computer-readable media includes both computer storage media and communication media including any medium that facilitates transfer of a computer program from one place to another. A storage media may be any available media that can be accessed by a general purpose or special purpose computer.
The above-mentioned embodiments, objects, technical solutions and advantages of the present invention are further described in detail, it should be understood that the above-mentioned embodiments are only exemplary embodiments of the present invention, and are not intended to limit the scope of the present invention, and any modifications, equivalent substitutions, improvements and the like made on the basis of the technical solutions of the present invention should be included in the scope of the present invention.
As will be appreciated by one skilled in the art, embodiments of the present invention may be provided as a method, system, or computer program product. Accordingly, embodiments of the present invention may take the form of an entirely hardware embodiment, an entirely software embodiment or an embodiment combining software and hardware aspects. Furthermore, embodiments of the present invention may take the form of a computer program product embodied on one or more computer-usable storage media (including, but not limited to, disk storage, CD-ROM, optical storage, and the like) having computer-usable program code embodied therein.
Embodiments of the present invention are described with reference to flowchart illustrations and/or block diagrams of methods, apparatus (systems), and computer program products according to embodiments of the invention. It will be understood that each flow and/or block of the flow diagrams and/or block diagrams, and combinations of flows and/or blocks in the flow diagrams and/or block diagrams, can be implemented by computer program instructions. These computer program instructions may be provided to a processor of a general purpose computer, special purpose computer, embedded processor, or other programmable data processing apparatus to produce a machine, such that the instructions, which execute via the processor of the computer or other programmable data processing apparatus, create means for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be stored in a computer-readable memory that can direct a computer or other programmable data processing apparatus to function in a particular manner, such that the instructions stored in the computer-readable memory produce an article of manufacture including instruction means which implement the function specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be loaded onto a computer or other programmable data processing apparatus to cause a series of operational steps to be performed on the computer or other programmable apparatus to produce a computer implemented process such that the instructions which execute on the computer or other programmable apparatus provide steps for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
It will be apparent to those skilled in the art that various changes and modifications may be made in the embodiments of the present invention without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the embodiments of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to encompass such modifications and variations.
Claims (12)
1. A method for processing link failure is applied to a communication device, and the communication device comprises: a first terminal UE1 and a second terminal UE2, comprising:
determining that the UE1 is out of wireless link synchronization with a first wireless link in network side multi-connection;
if the wireless link is out of step in a first time range, a wireless link failure process is not triggered;
wherein the first time refers to a time when the communication device is connected to a corresponding system through the first wireless link;
the communication equipment is a multi-card terminal, the UE1 corresponds to a first Subscriber Identity Module (SIM) card in the multi-card terminal, and the UE2 corresponds to a second SIM card in the multi-card terminal.
2. The method of claim 1, further comprising: and if the radio link is out of step within the first time range, triggering a radio link failure process.
3. The method of claim 1, further comprising:
if the radio link loss of synchronization occurs within the first time range, not reporting the first radio link failure of the UE1 to a network side;
alternatively, the first and second electrodes may be,
and reporting the first radio link failure of the UE1 to a network side if the radio link loss of synchronization occurs outside the first time range.
4. The method of claim 1, wherein the first time is configured by a network side.
5. The method of claim 4, wherein the first time is issued by the network side after receiving the request of the UE 2.
6. The method of any of claims 1 to 5, wherein the first time comprises: the time division multiplexing pattern TDM pattern.
7. The method according to any one of claims 1 to 5,
the multiple connections include any one of:
a fourth generation mobile communication technology 4G wireless access network and a fifth generation mobile communication technology 5G new air interface NR are in double connection EN-DC;
the 5G NR and the 4G wireless access network are in double connection NE-DC;
the double linkage of the 5G NR is NR-DC.
8. A communication device, the communication device comprising: UE1 and UE2, characterized in that the communication device further comprises:
a determining module, configured to determine that a radio link of the UE1 and a first radio link in a network-side multi-connection is out of synchronization;
the processing module is used for not triggering the radio link failure processing flow if the radio link is out of step within a first time range; wherein the first time refers to a time when the communication device is connected to a corresponding system through the first wireless link;
wherein the communication device is a multi-card terminal, the UE1 corresponds to a first SIM card in the communication device, and the UE2 corresponds to a second SIM card in the communication device.
9. The communications device of claim 8, wherein the processing module is further configured to: and if the radio link is out of step within the first time range, triggering a radio link failure process.
10. The communications device of claim 8, wherein the processing module is further configured to:
if the radio link loss of synchronization occurs within the first time range, not reporting the first radio link failure of the UE1 to a network side;
alternatively, the first and second electrodes may be,
and reporting the first radio link failure of the UE1 to a network side if the radio link loss of synchronization occurs outside the first time range.
11. A communication device, comprising: a processor, a memory and a program stored on the memory and executable on the processor, the program when executed by the processor implementing the steps of the method of link failure handling according to any of claims 1 to 7.
12. A computer-readable storage medium, characterized in that a computer program is stored thereon, which computer program, when being executed by a processor, carries out the steps of the method of link failure handling according to any one of claims 1 to 7.
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| PCT/CN2020/110463 WO2021032187A1 (en) | 2019-08-21 | 2020-08-21 | Method for processing link failure, and communication device |
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