CN117939706A - Communication interrupt processing method, device, terminal and readable storage medium - Google Patents

Communication interrupt processing method, device, terminal and readable storage medium Download PDF

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Publication number
CN117939706A
CN117939706A CN202211256171.1A CN202211256171A CN117939706A CN 117939706 A CN117939706 A CN 117939706A CN 202211256171 A CN202211256171 A CN 202211256171A CN 117939706 A CN117939706 A CN 117939706A
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China
Prior art keywords
communication
state
condition
communication interruption
complete
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CN202211256171.1A
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Chinese (zh)
Inventor
刘进华
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Vivo Mobile Communication Co Ltd
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Vivo Mobile Communication Co Ltd
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Priority to CN202211256171.1A priority Critical patent/CN117939706A/en
Priority to PCT/CN2023/123762 priority patent/WO2024078489A1/en
Publication of CN117939706A publication Critical patent/CN117939706A/en
Pending legal-status Critical Current

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    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W76/00Connection management
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W76/00Connection management
    • H04W76/10Connection setup
    • H04W76/19Connection re-establishment
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W76/00Connection management
    • H04W76/20Manipulation of established connections
    • H04W76/27Transitions between radio resource control [RRC] states

Abstract

The application discloses a communication interrupt processing method, a device, a terminal and a readable storage medium, belonging to the technical field of communication, wherein the communication interrupt processing method of the embodiment of the application comprises the following steps: the method comprises the steps that under the condition that User Equipment (UE) is in a first communication interruption state, electricity is collected from the environment, and the first communication interruption state is as follows: a communication interruption state due to low power; the UE resumes communication in a target mode under the condition that the collected electric quantity is greater than or equal to a first electric quantity threshold; wherein the target means comprises at least one of: an uplink resynchronization mode; wireless link reestablishment mode.

Description

Communication interrupt processing method, device, terminal and readable storage medium
Technical Field
The application belongs to the technical field of communication, and particularly relates to a communication interrupt processing method, a device, a terminal and a readable storage medium.
Background
The third generation partnership project (3rd Generation Partnership Project,3GPP) protocol defines the processing methods of User Equipment (UE) after radio link failure (Radio Link Failure, RLF) occurs based on radio channel degradation, including searching for a target serving cell and initiating a radio link reestablishment, etc. However, when the UE interrupts communication due to too low power, the UE does not continue to perform the communication procedure, so the existing procedure of performing radio link reestablishment cannot be directly applied to the communication interrupt processing due to too low power. Thus, how to solve the problem of communication interruption processing caused by too low power of the UE is a urgent need.
Disclosure of Invention
The embodiment of the application provides a communication interruption processing method, a device, a terminal and a readable storage medium, which can solve the problem of communication interruption caused by too low electric quantity of UE.
In a first aspect, a communication interrupt processing method is provided, applied to a UE, and the method includes: the method comprises the steps that under the condition that User Equipment (UE) is in a first communication interruption state, electricity is collected from the environment, and the first communication interruption state is as follows: a communication interruption state due to low power; the UE resumes communication in a target mode under the condition that the collected electric quantity is greater than or equal to a first electric quantity threshold; wherein the target means comprises at least one of: an uplink resynchronization scheme (resynchronization with the network in uplink); wireless link reestablishment mode (radio connection reestablishment).
In a second aspect, a communication interrupt processing apparatus is provided, which may include: the electric quantity collection module and the communication module; the power collection module is configured to collect power from an environment when the UE is in a first communication interruption state, where the first communication interruption state is: a communication interruption state due to low power; the communication module is used for recovering communication in a target mode under the condition that the electric quantity collected by the electric quantity collection module is greater than or equal to a first electric quantity threshold; wherein the target means comprises at least one of: an uplink resynchronization mode; wireless link reestablishment mode.
In a third aspect, there is provided a terminal comprising a processor and a memory storing a program or instructions executable on the processor, which when executed by the processor, implement the steps of the method as described in the first aspect.
In a fourth aspect, a terminal is provided, including a processor and a communication interface, where the processor is configured to collect, when a UE is in a first communication interruption state, an electric quantity from an environment, where the first communication interruption state is: the communication interface is used for recovering communication in a target mode under the condition that the electric quantity collected by the processor is greater than or equal to a first electric quantity threshold; wherein the target means comprises at least one of: an uplink resynchronization mode; wireless link reestablishment mode.
In a fifth aspect, there is provided a readable storage medium having stored thereon a program or instructions which when executed by a processor realizes the steps of the method according to the first aspect.
In a sixth aspect, there is provided a chip comprising a processor and a communication interface coupled to the processor for running a program or instructions to implement the method of the first aspect.
In a seventh aspect, there is provided a computer program/program product stored in a storage medium, the computer program/program product being executed by at least one processor to carry out the steps of the method as in the first aspect.
In the embodiment of the application, under the condition that the UE is in a first communication interruption state, collecting electric quantity from the environment, wherein the first communication interruption state is as follows: a communication interruption state due to low power; the UE resumes communication in a target mode under the condition that the collected electric quantity is greater than or equal to a first electric quantity threshold; wherein the target means comprises at least one of: an uplink resynchronization mode; wireless link reestablishment mode. According to the scheme, when the UE is in a communication interruption state due to low electric quantity, the UE can collect electric quantity from the environment and try to recover communication by means of uplink resynchronization or wireless link reestablishment after the collected electric quantity is larger than the first electric quantity threshold, so that the UE can be ensured to recover communication smoothly.
Drawings
Fig. 1 is a schematic diagram of a communication system according to an embodiment of the present application;
FIG. 2 is a second schematic diagram of a communication system according to an embodiment of the present application;
FIG. 3 is a schematic diagram of the structure of an EH-UE;
Fig. 4 is a schematic flow chart of a communication interrupt processing method according to an embodiment of the present application;
fig. 5 is an internal flow schematic diagram of a UE entering a first communication interruption state, where the communication interruption processing method according to the embodiment of the present application is applied;
fig. 6 is a schematic structural diagram of a communication interrupt processing apparatus according to an embodiment of the present application;
Fig. 7 is a schematic structural diagram of a terminal according to an embodiment of the present application;
fig. 8 is a second schematic structural diagram of a terminal according to an embodiment of the present application.
Detailed Description
The technical solutions of the embodiments of the present application will be clearly described below with reference to the drawings in the embodiments of the present application, and it is apparent that the described embodiments are some embodiments of the present application, but not all embodiments. All other embodiments, which are derived by a person skilled in the art based on the embodiments of the application, fall within the scope of protection of the application.
The terms first, second and the like in the description and in the claims, are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the terms so used are interchangeable under appropriate circumstances such that the embodiments of the application are capable of operation in sequences other than those illustrated or otherwise described herein, and that the "first" and "second" distinguishing between objects generally are not limited in number to the extent that the first object may, for example, be one or more. Furthermore, in the description and claims, "and/or" means at least one of the connected objects, and the character "/" generally means a relationship in which the associated object is an "or" before and after.
It should be noted that the techniques described in the embodiments of the present application are not limited to long term evolution (Long Term Evolution, LTE)/LTE evolution (LTE-Advanced, LTE-a) systems, but may also be used in other wireless communication systems, such as code division multiple access (Code Division Multiple Access, CDMA), time division multiple access (Time Division Multiple Access, TDMA), frequency division multiple access (Frequency Division Multiple Access, FDMA), orthogonal frequency division multiple access (Orthogonal Frequency Division Multiple Access, OFDMA), single carrier frequency division multiple access (Single-carrier Frequency Division Multiple Access, SC-FDMA), and other systems. The terms "system" and "network" in embodiments of the application are often used interchangeably, and the techniques described may be used for both the above-mentioned systems and radio technologies, as well as other systems and radio technologies. The following description describes a New Radio (NR) system for exemplary purposes and NR terminology is used in much of the following description, but these techniques may also be applied to applications other than NR system applications, such as 6 th Generation (6G) communication systems.
Fig. 1 shows a block diagram of a wireless communication system to which an embodiment of the present application is applicable. The wireless communication system includes a terminal 11 and a network device 12. The terminal 11 may be a Mobile phone, a tablet Computer (Tablet Personal Computer), a Laptop (Laptop Computer) or a terminal-side device called a notebook, a Personal digital assistant (Personal DIGITAL ASSISTANT, PDA), a palm Computer, a netbook, an ultra-Mobile Personal Computer (ultra-Mobile Personal Computer, UMPC), a Mobile internet appliance (Mobile INTERNET DEVICE, MID), an augmented reality (augmented reality, AR)/Virtual Reality (VR) device, a robot, a wearable device (Wearable Device), a vehicle-mounted device (VUE), a pedestrian terminal (PUE), a smart home (home device with a wireless communication function, such as a refrigerator, a television, a washing machine, a furniture, etc.), a game machine, a Personal Computer (Personal Computer, a PC), a teller machine, or a self-service machine, etc., and the wearable device includes: intelligent wrist-watch, intelligent bracelet, intelligent earphone, intelligent glasses, intelligent ornament (intelligent bracelet, intelligent ring, intelligent necklace, intelligent anklet, intelligent foot chain etc.), intelligent wrist strap, intelligent clothing etc.. It should be noted that the specific type of the terminal 11 is not limited in the embodiment of the present application. The network-side device 12 may include an access network device or a core network device, where the access network device 12 may also be referred to as a radio access network device, a radio access network (Radio Access Network, RAN), a radio access network function, or a radio access network element. Access network device 12 may include a base station, a WLAN access Point, a WiFi node, or the like, which may be referred to as a node B, an evolved node B (eNB), an access Point, a base transceiver station (Base Transceiver Station, BTS), a radio base station, a radio transceiver, a Basic service set (Basic SERVICE SET, BSS), an Extended service set (Extended SERVICE SET, ESS), a home node B, a home evolved node B, a transmission and reception Point (TRANSMITTING RECEIVING Point, TRP), or some other suitable terminology in the art, and the base station is not limited to a particular technical vocabulary so long as the same technical effect is achieved, and it should be noted that in the embodiment of the present application, only a base station in an NR system is described as an example, and the specific type of the base station is not limited. The core network device may include, but is not limited to, at least one of: core network nodes, core network functions, mobility management entities (Mobility MANAGEMENT ENTITY, MME), access Mobility management functions (ACCESS AND Mobility Management Function, AMF), session management functions (Session Management Function, SMF), user plane functions (User Plane Function, UPF), policy control functions (Policy Control Function, PCF), policy and Charging Rules Function (PCRF), edge application service discovery functions (Edge Application Server Discovery Function, EASDF), unified data management (Unified DATA MANAGEMENT, UDM), unified data warehousing (Unified Data Repository, UDR), home subscriber server (Home Subscriber Server, HSS), centralized network configuration (Centralized network configuration, CNC), network storage functions (Network Repository Function, NRF), network opening functions (Network Exposure Function, NEF), local NEF (Local NEF, or L-NEF), binding support functions (Binding Support Function, BSF), application functions (Application Function, AF), and the like. It should be noted that, in the embodiment of the present application, only the core network device in the NR system is described as an example, and the specific type of the core network device is not limited.
The following explains some concepts and/or terms related to the communication interrupt processing method, the device, the terminal and the readable storage medium provided by the embodiments of the present application.
Thing networking (Internet of Things, ioT) terminal: refers to a device for supporting energy collection and conversion into electrical energy for power supply in an environment, comprising: narrowband internet of things (NB-band Internet of Things, ioT) devices, active or semi-active tags (tags), mass machine Communication (MASSIVE MACHINE TYPE Communication, mMTC) terminals, and the like.
Currently, low cost UEs, such as NB-IoT terminals, are widely used in a variety of low data rate, low frequency communication occasions. For example, NB-IoT technology is used for shared bicycle tracking and control, electricity/water meter information transmission, environmental monitoring and livestock tracking, and the like.
Existing NB-IoT terminals need to be equipped with battery power. The use of NB-IoT terminals powered by batteries is limited in some situations, for example, chemical battery powered applications are not suitable in some situations due to the limitations of high temperature and high humidity environments; also in some environments, such as NB-IoT terminals used for environmental monitoring communications in remote locations, the cost of replacing the battery or interrupting the battery after the battery life has expired is high. In these scenarios, collecting energy from the environment for use by the NB-IoT communication module may circumvent the limitations imposed by using batteries.
Fig. 3 shows a block diagram of an EH-UE, and as shown in fig. 3, an EH-UE30 may include an energy harvesting unit 31, an energy storage unit 32, and a communication function unit 33. The energy collecting unit 31 converts the energy collected from the environment into electric energy to be stored in the energy storage unit 32, and the communication function unit 33 communicates with the network device using the electric energy stored in the energy storage unit.
The communication interrupt processing method, the device, the terminal and the readable storage medium provided by the embodiment of the application are described in detail below through some embodiments and application scenarios thereof with reference to the accompanying drawings.
Currently, when an Energy-harvesting powered UE (EH-HARVESTING UE for short) is in an RRC Connected (rrc_connected) state, the speed of power consumption is affected by multiple factors, for example, how much and how frequently data is transmitted and received, channel variation, interference variation, etc., so that the power required for uplink transmission is changed, etc., which results in that neither the UE nor the base station can accurately predict the time when the UE can maintain the communication state given the available power. Therefore, a situation may occur in which the UE may not get to notify the base station that communication is interrupted due to too low a power. In this case, the UE and the network have a problem of how to cope with such abnormal communication interruption, including how to quickly restore to the communication state.
The current 3GPP protocol defines a processing method of the UE after RLF occurs based on radio channel degradation, including searching a target serving cell, initiating radio link reestablishment, and the like. But in case the UE is interrupted due to too low a power, the channel quality is not necessarily poor, but the UE does not continue to perform the communication procedure either. Therefore, the existing procedure of performing radio link reestablishment after RLF transmission cannot be directly applied to communication interruption processing caused by too low power.
In order to solve the above problems, an embodiment of the present application provides a communication interrupt processing method, which provides a method for restoring a communication state of a UE in an rrc_connected state after a communication interrupt occurs due to an excessively low power, including: the UE collects power from the environment while in a first communication disruption state: a communication interruption state due to low power; restoring communication in a target mode under the condition that the collected electric quantity is greater than or equal to a first electric quantity threshold; wherein the target means comprises at least one of: an uplink resynchronization mode; wireless link reestablishment mode. Therefore, when the UE is in a communication interruption state due to low electric quantity, the UE can collect electric quantity from the environment and try to recover communication by means of uplink resynchronization or wireless link reestablishment after the collected electric quantity is larger than a first electric quantity threshold, so that the UE can be ensured to recover communication smoothly.
In addition, the embodiment of the application also provides at least one of the following after the UE has communication interruption due to the too low electric quantity:
a method for determining that communication interruption occurs;
a method of dropping to an RRC Inactive (rrc_inactive) state;
A method of dropping to an RRC Idle (rrc_idle) state;
and reporting fault information to the network side equipment, wherein the fault information is used for indicating that the UE has communication interruption due to low power.
It can be appreciated that the communication interrupt processing method provided by the embodiment of the application can be applied to the internet of things equipment which supports energy collection in the environment and converts the energy into electric energy for power supply.
An embodiment of the present application provides a communication interrupt processing method, fig. 1 shows a flowchart of the communication interrupt processing method provided by the embodiment of the present application, and as shown in fig. 4, the communication interrupt processing method provided by the embodiment of the present application may include the following steps 401 and 402.
Step 401, the UE collects power from the environment in the case of being in the first communication interruption state.
Wherein the first communication interruption state is: a communication interruption state due to a low battery.
The UE in the embodiment of the application can be an Internet of things terminal which supports energy collection in the environment and converts the energy into electric energy for power supply.
Specifically, the UE may collect electrical energy from the environment through an energy collection unit in the UE, such as the energy collection unit 31 in fig. 3, for example, collect wind energy in the environment through a wind sensor and convert it into electrical energy, or collect light energy in the environment through a wind sensor and convert it into electrical energy.
Optionally, the first condition that the UE triggers the first communication interruption state or the judging condition that the UE determines to enter the first communication interruption state includes at least one of the following 1a to 1 d:
1a, the available power of the ue is insufficient to support or complete uplink transmission;
1b, the available electricity quantity of the UE is insufficient to support or complete downlink reception;
1c, the UE reduces the transmission power due to insufficient electric quantity;
1d, the available power of the ue is less than the second power threshold.
It will be appreciated that upon the UE satisfying one or more of the above 1a to 1d, the UE may determine that it enters the first communication disruption state.
Optionally, the first power threshold is preset, protocol contracted, or network configured.
Optionally, "the available power of the UE is insufficient to support or complete uplink transmission", including at least one of the following 1 a-1) to 1 a-4):
1 a-1), the UE cannot perform uplink transmission according to the uplink transmission permission of the UE;
1 a-2), the UE can only support to complete X uplink transmissions in case that the uplink transmission grant of the UE includes N uplink transmissions;
1 a-3), the UE cannot complete all corresponding N transmissions in case of N uplink transmission grants;
1 a-4), the UE cannot complete transmission of a physical uplink control channel (Physical Uplink Control Channel, PUCCH) carrying scheduling request (Scheduling Request, SR), hybrid automatic repeat request (Hybrid Automatic Repeat reQuest, HARQ) feedback Information or channel state Information (CHANNEL STATE Information, CSI);
wherein N is a positive integer and X is an integer less than N.
For example, 1 a-2) may specifically be: the uplink transmission grant of the UE includes a first transmission and N-1 repeated transmissions, and the UE can only complete X (X < N) transmissions.
For example, 1 a-3) may specifically be: the uplink transmission grant of the UE includes N transmissions (e.g., multi-PUSCH scheduling, each time different data is transmitted), and the UE cannot complete all N transmissions.
Optionally, in 1b, "the available power of the UE is insufficient to support or complete downlink reception", may include at least one of:
1 b-1), the UE cannot complete processing of the received baseband information;
1 b-2), the UE cannot complete reception of the radio frequency signal;
1 b-3), the UE cannot complete the processing of the radio frequency signal;
1 b-4), the UE cannot detect the common physical downlink control channel (Physical Downlink Control Channel, PDCCH) search space, i.e., the UE does not have enough power to detect the common PDCCH search space;
1 b-5), the UE cannot detect a dedicated PDCCH search space, i.e., the UE does not have enough power to detect the dedicated PDCCH search space;
1 b-6), when multi-physical downlink shared channel multi-PDSCH scheduling occurs, the UE cannot complete reception of all PDSCH;
1 b-7), when multi-physical downlink shared channel multi-PDSCH scheduling occurs, the UE cannot complete decoding of all PDSCH;
1 b-8), after completing downlink reception, the UE cannot complete transmission of HARQ feedback information; that is, after the UE completes downlink reception, there is insufficient power to complete the transmission of HARQ feedback information.
It will be appreciated that when the UE satisfies any of the above 1 b-1) to 1 b-8), it means that the available power of the UE is insufficient to support or complete the downlink reception.
In the embodiment of the present application, "the UE has a reduced transmission power due to insufficient power" may be understood as: the transmit power of the UE is less than the allowed maximum transmit power.
The internal flow of the UE determining to enter the communication suspension state is exemplarily described below.
Optionally, as shown in fig. 5, a Media Access Control (MAC) layer or a Physical (PHY) layer of the UE needs to notify the RRC layer of the UE of the information of the too low power, and the RRC layer determines the communication interruption, and the UE may determine whether the communication interruption occurs in any of the following manners:
a) The physical layer of the UE provides a function of electric quantity monitoring, and the electric quantity monitoring result comprises information of too low electric quantity which is sent to the MAC layer, processed by the MAC layer and then sent to the RRC layer, and the report can be periodically reported or can be reported to an upper layer triggered by the too low electric quantity;
b) The MAC layer of the UE provides a function of electric quantity monitoring, and the result of the electric quantity monitoring, including information of too low electric quantity, is sent to the RRC layer, and the report can be periodically reported or can be reported to an upper layer triggered by the too low electric quantity;
c) The MAC layer or the physical layer of the UE transmits a message of data transmission interruption to the RRC layer, the message of data transmission interruption including at least one of: uplink transmission interruption, downlink reception interruption, information that the transmission interruption is due to too low power, and the like.
It can be appreciated that the RRC layer can determine whether the UE enters a communication interruption state according to information reported by the MAC layer and/or the physical layer, and configure relevant behavior of the MAC/PHY layer.
In step 402, the UE resumes communication in the target manner when the collected power is greater than or equal to the first power threshold.
Wherein the target means may comprise at least one of: one possible implementation is an uplink resynchronization; a second possible implementation, radio link reestablishment.
In the embodiment of the present application, the first electric quantity threshold is preset, agreed by a protocol or configured by a network.
Optionally, the first power threshold is greater than or equal to the first power threshold.
Alternatively, when the UE may resume communication by performing a cell search procedure in order to reestablish the radio link.
Alternatively, the above step 402 may be specifically implemented by the following steps 402a and 402b, or may be implemented by the following steps 402a and 402 c.
In step 402a, the UE determines whether the UE triggers the RLF state if the collected power is greater than or equal to the first power threshold.
In the embodiment of the present application, if the electric quantity collected by the UE is greater than or equal to the first electric quantity threshold, it may be determined whether the UE triggers the RLF state, and if the UE is in the first communication interruption state and does not trigger the RLF state, the following step 402b is continuously executed; if the UE triggers the RLF status, the following step 402c is continued.
Optionally, the UE is in the first communication disruption state, and the fourth condition that does not trigger the RLF state includes at least one of: under the condition that the UE is in a Radio Resource Control (RRC) connection state, the UE enters a first communication interruption state under the condition that the UE receives a communication interruption permission or configuration information for configuring the UE to enter the communication interruption state; the first duration that the UE is in the first communication disruption state is less than or equal to a first duration threshold.
Optionally, the fifth condition for the UE to trigger the RLF state includes at least one of:
Under the condition that the UE is in a Radio Resource Control (RRC) connection state, the UE enters a first communication interruption state under the condition that the UE does not receive a communication interruption permission or configuration information for configuring the UE to enter the communication interruption state;
the first time period is greater than a first time period threshold;
The UE expects to be in the first communication disruption state for a duration greater than a third duration threshold.
In the embodiment of the present application, the "first duration of the UE in the first communication interruption state" refers to: a time difference between a time when the UE enters the first communication disruption state and a time when the amount of power collected by the UE is greater than or equal to the first power threshold; in other words, the first time period is a time period during which the UE is already in the first communication interruption state when the power collected by the UE is greater than or equal to the first power threshold.
Alternatively, the first time length threshold may be implemented by a fourth timer whose initial value is the first time length threshold. The UE starts the fourth timer when the UE enters the first communication disruption state. If the fourth timer is still running when the amount of power collected by the UE is greater than the first power threshold, the UE may resume the communication state by resuming the uplink synchronization procedure and stop the fourth timer. If the fourth timer times out when the power collected by the UE is greater than the first power threshold, the UE determines that the UE enters an RLF state, so that communication can be restored by a radio link reestablishment mode.
Step 402b, the UE resumes communication by means of uplink resynchronization.
And step 402c, the UE resumes communication in a wireless link reestablishment mode.
Therefore, when the electric quantity collected by the UE is greater than or equal to the first electric quantity threshold, the UE can judge whether the UE triggers the RLF state or not, and communication is restored by adopting a mode corresponding to a judging result, so that the probability of successfully restoring the communication can be improved.
The communication interrupt processing method provided by the embodiment of the application is described below through one possible implementation manner and another possible implementation manner respectively.
Possible implementation manner
Optionally, when the UE in the RRC connected state enters the communication interruption state due to the too low power, the UE remains in the RRC connected state, and after the UE collects the power until the stored power reaches a threshold (e.g., the first power threshold) capable of supporting the subsequent communication, the UE may reacquire synchronization with the network device (e.g., the base station).
Optionally, in a possible implementation manner, the UE resumes communication in an uplink resynchronization manner, which specifically may include:
the UE transmits an uplink signal to the network equipment on a target channel;
wherein the target channel may comprise any of the following:
A first PUCCH;
A first Physical Uplink SHARED CHANNEL, PUSCH of an Grant (CG) configuration;
a first Physical Random access channel (Physical Random ACCESS CHANNEL, PRACH).
In the embodiment of the application, after the UE transmits the uplink signal to the network side equipment through the target channel, the network side equipment can receive the uplink signal and then finish the uplink signal synchronization with the UE based on the uplink signal. And after the uplink signal synchronization is successful, communication with the UE is resumed.
In this way, the UE can send uplink signals to the network side device on the first PUCCH, the first PUSCH and the first PRACH, so that the flexibility of sending uplink synchronization signals by the UE can be improved.
Optionally, the SR or CSI is carried on the first PUCCH.
Alternatively, in case the UE satisfies the second condition, the target channel may include: a first PUCCH or a first PUSCH; the target channel may include the first PRACH if the UE satisfies a third condition.
Wherein the second condition may include: the first duration is less than or equal to the second duration threshold.
The third condition may include at least one of: the first time length is larger than a second time length threshold, and PUCCH and PUSCH which are not available to the UE are not available;
in the embodiment of the application, the second time length threshold is smaller than or equal to the first time length threshold.
It can be seen that the priority of the first PUCCH and the first PUSCH is higher than the priority of the first PRACH.
Specifically, if the amount of power collected by the UE is greater than the first power threshold, the fourth timer is still running, then:
The UE may send an uplink signal using the first PUCCH or the first PUSCH preferentially, and notify the network side device to restore to the communication state.
In case the UE has no PUCCH or CG available or the fourth timer has been exceeded, the UE may resume synchronization with the network side device by transmitting the first PRACH.
Optionally, when the target channel includes the first PRACH, "the UE sends an uplink signal to the network side device on the target channel" includes:
Under the condition that the network side equipment is preconfigured with a special random access resource for recovering uplink synchronization, the UE sends an uplink signal to the network side equipment on the basis of the resource in the special random access resource;
Otherwise, the UE sends an uplink signal to the network side equipment on the first PRACH based on the resources in the shared random access resources.
Specifically, if the network is pre-allocated with a dedicated PRACH resource used for recovering synchronization, including a PRACH preamble (preamble) and a PRACH time-frequency resource, the PRACH preamble is sent to the serving base station by using the PRACH resource pre-allocated by the network to recover uplink synchronization with the network (i.e., non-contention access);
if the random access resource is not pre-allocated, namely preamble or time-frequency resource is not allocated, the shared random access resource is selected, and the competitive random access method is adopted to recover the synchronization with the service base station.
In this way, the UE may send the uplink signal to the network side device on the first PRACH based on the dedicated random access resource or the shared random access resource, so that the flexibility of the UE for sending the uplink signal on the first PRACH may be improved.
Another possible implementation
Optionally, "the UE resumes communication through the radio link reestablishment mode" may specifically include: and when the UE runs the first target timer, executing a cell searching flow.
Wherein the first target timer comprises any one of: a first timer, a second timer, and a third timer;
The first timer is started when the UE determines to trigger the RLF state;
a second timer is started after the UE determines a period of time that triggers an RLF state;
the third timer is started after a period of time when the UE determines to trigger the first communication disruption state.
For example, the second timer may be started after the UE determines a first time period to trigger the RLF state, and the third timer may be started after the UE determines a second time period to trigger the first communication disruption state.
Alternatively, the first target timer may expire when the UE searches for a suitable cell.
Specifically, in the case that the UE searches for a suitable cell when the first timer runs, the UE terminates the first timer;
in the case that the UE searches for a suitable cell while the second timer is running, the UE terminates the second timer;
In case the UE searches for a suitable cell while the third timer is running, the UE terminates the third timer.
In the embodiment of the application, because the UE needs some time to collect the electricity, the electricity is insufficient and the cell search process cannot be initiated immediately, when the RLF state occurs, the timer operation related to the cell search process may be the first timer, the second timer or the third timer.
Optionally, the first timer may include at least one of a first initial value and a second initial value; the first initial value is suitable for a scene that the UE immediately executes a cell search flow when determining to trigger the RLF state; the second initial value is applicable to a scenario in which the UE performs a cell search procedure after a period of time after determining to trigger RLF.
Specifically, when the first timer includes a first initial value and a second initial value, the first timer corresponds to the T311 timer in the related art. If the UE immediately starts T311 according to the procedure of radio link reestablishment when it is determined to enter the RLF state, the initial value required for the UE to complete the cell search procedure is longer than the time required for the case where the cell search procedure is immediately performed when the UE is in the first communication suspension state. Therefore, two initial values of T311 may be configured for the UE, where the first initial value is applicable to a scenario in which the UE performs a cell search procedure immediately after the RLF state occurs; the second initial value is applied to a scenario in which the UE performs cell search after a period of time after entering the RLF state.
Optionally, after the UE performs the cell search procedure, the UE enters the RRC idle state if the UE does not search for a suitable cell when the first timer, the second timer, or the third timer expires.
Alternatively, the UE terminates the first target timer in case the UE searches for a suitable cell while the first target timer is running.
Alternatively, the condition that the UE triggers the radio link reestablishment may be defined as the UE determining that sufficient power has been collected.
Optionally, a timer is introduced, the timer is started when the UE enters the first communication interruption state, and when the UE starts cell search, if the timer is running, the timer is terminated; if the timer expires and the UE has not started the cell search procedure, the UE enters an RRC Idle (rrc_idle) state.
Alternatively, the UE may automatically enter the RRC inactive state in case of failure to resume communication.
Optionally, after the step 402, the communication interrupt processing method provided by the embodiment of the present application may further include a step 403 or a step 404 described below.
Step 403, the UE enters an RRC inactive state when the UE fails to resume communication and when the UE satisfies a sixth condition;
step 404, the UE enters an RRC idle state in case of failure to resume communication and in case the UE does not meet the sixth condition.
Wherein the sixth condition comprises at least one of:
The UE enters a first communication interruption state without being permitted or configured by network side equipment;
The UE enters a first communication interruption state without being permitted or configured by network side equipment, and the time length of the UE in the first communication interruption state is greater than or equal to a fourth time length threshold;
The UE enters a first communication interruption state under the permission or configuration of the network side equipment, but the time length of the UE in the first communication interruption state is larger than or equal to a fifth time length threshold.
Alternatively, after the UE drops to rrc_inactive, if the UE needs to recover to rrc_connected state, the UE may use a radio reconnection procedure, i.e., send an RRC recovery Request (Resume Request) to the network side device.
Alternatively, the UE may drop to the rrc_idle state by itself in the case where the UE was not previously configured to the rrc_inactive state.
Optionally, after the step 403, the communication interrupt processing method provided by the embodiment of the present application may further include a step 405 or a step 406 described below.
Step 405, the UE retains the RRC context when the communication interruption occurs.
Step 406, the UE continues to use the RRC context when the network side device last configured the UE to enter the RRC inactive state.
In this way, after the UE enters the RRC inactive state, the UE may keep the RRC context when the communication interruption occurs or continue to use the RRC context when the network side device configures the UE to enter the RRC inactive state last time, so flexibility of the UE to use the RRC context may be improved.
Optionally, after the step 402, the communication interrupt processing method provided by the embodiment of the present application may further include a step 407 described below.
Step 407, the UE reports the target fault information under the condition of successfully recovering the communication.
The target fault information may be used to indicate that the UE has recently entered a communication interrupt state or RLF state due to too low power;
wherein, the target fault information may include at least one of the following:
fault cause information;
A communication interruption period;
Serving cell information when communication interruption occurs;
the duration of time in the communication state before the communication interruption occurs.
Wherein the fault cause information includes at least one of: switching information for switching to the first communication interruption state; radio link reestablishment failure information; and (5) uplink resynchronization failure information.
Optionally, the seventh condition for the UE to report the target fault information includes at least one of:
The UE enters a first communication interruption state in the last RRC connection state, namely, the UE keeps in the RRC connection state after entering the first communication interruption state;
The time difference between the first time and the second time is less than or equal to a sixth duration threshold;
the network configuration UE reports the target fault information;
The first time is the time when the UE successfully resumes communication, and the second time is the time when the UE enters the first communication interruption state last time.
In this way, since the UE may report fault information to the network side device after the communication is restored, where the fault information is used to indicate that UE has recently entered a communication interruption state or an RLF state due to too low electric power, the network side device may be convenient to process such errors, and support error processing or state restoration (similar to Tracking Area Update (TAU)) of the UE, which is beneficial to the network side device to optimize configuration of the UE based on energy collection.
Optionally, the communication interrupt processing method provided by the embodiment of the present application may further include at least one of the following step 408 and step 409.
In step 408, the UE ignores all or part of the downlink reception when in the first communication interruption state.
In step 409, the UE ignores all or part of the uplink transmission when in the first communication interruption state.
Therefore, when the UE enters a communication interruption state due to the fact that the electric quantity is too low, the UE can ignore all downlink reception, part of downlink reception, all uplink transmission or part of uplink transmission, so that the electric quantity consumption of the UE can be reduced, and the storage speed of the UE is improved.
Alternatively, assuming that the UE is in the RRC connected state before being in the first communication interrupted state, then: the UE remains in the RRC connected state after entering the first communication interrupted state.
According to the communication interrupt processing method provided by the embodiment of the application, the execution main body can be a communication interrupt processing device. In the embodiment of the present application, a communication interrupt processing device executes a communication interrupt processing method as an example, and the communication interrupt processing device provided in the embodiment of the present application is described.
An embodiment of the present application provides a communication interrupt processing apparatus, fig. 6 is a schematic structural diagram of the communication interrupt processing apparatus provided by the embodiment of the present application, and, as shown in fig. 6, a communication interrupt processing apparatus 60 provided by the embodiment of the present application may include: a power collection module 61 and a communication module 62;
The power collection module is configured to collect power from an environment when the UE is in a first communication interruption state, where the first communication interruption state is: a communication interruption state due to low power;
The communication module is used for recovering communication in a target mode under the condition that the electric quantity collected by the electric quantity collection module is greater than or equal to a first electric quantity threshold;
Wherein the target means comprises at least one of:
An uplink resynchronization mode;
Wireless link reestablishment mode.
In a possible implementation manner, the first condition that the UE triggers the first communication interruption state includes at least one of the following:
The available electric quantity of the UE is insufficient to support or complete uplink transmission;
the available electric quantity of the UE is insufficient to support or complete downlink reception;
The UE reduces the transmission power due to insufficient electric quantity;
The available power of the UE is less than a second power threshold.
In a possible implementation manner, the available power of the UE is insufficient to support or complete uplink transmission, including at least one of the following:
The UE cannot perform uplink transmission according to the uplink transmission permission of the UE;
The UE only can support to complete X times of uplink transmission under the condition that the uplink transmission permission of the UE comprises N times of uplink transmission;
The UE can not complete all N times of transmission under the condition that the UE has N uplink transmission permissions;
the UE cannot complete transmission of PUCCH carrying SR, HARQ feedback information or CSI;
N is a positive integer, and X is an integer less than N.
In a possible implementation manner, the available power of the UE is insufficient to support or complete downlink reception, including at least one of the following:
the UE cannot complete processing of the received baseband information;
the UE cannot complete the reception of the radio frequency signal;
The UE cannot complete the processing of the radio frequency signals;
the UE cannot complete detection of a common PDCCH search space;
the UE cannot complete detection of a dedicated PDCCH search space;
when multi-PDSCH scheduling occurs, the UE cannot complete the reception of all PDSCH;
when multi-PDSCH scheduling occurs, the UE cannot complete decoding of all PDSCH;
After the UE completes downlink reception, the UE cannot complete transmission of HARQ feedback information.
In a possible implementation manner, the communication module includes a determination sub-module and a communication sub-module;
the communication sub-module is configured to resume communication in the uplink resynchronization manner when the determination sub-module determines that the UE is in the first communication interruption state and does not trigger a radio link failure RLF state;
Or alternatively
And the communication sub-module is used for determining that the UE is in a Radio Link Failure (RLF) state in the determination sub-module, and recovering communication in the radio link reestablishment mode.
In a possible implementation manner, the communication sub-module is specifically configured to send an uplink signal to the network side device on a target channel;
Wherein the target channel comprises any one of the following:
A first PUCCH;
A first PUSCH of CG;
A first PRACH.
In a possible implementation, the first PUCCH carries SR or CSI.
In a possible implementation manner, in a case that the UE satisfies a second condition, the target channel includes the first PUCCH or the first PUSCH;
In case the UE satisfies a third condition, the target channel comprises the first PRACH;
Wherein the second condition includes: the first duration that the UE is in the first communication interruption state is smaller than or equal to a second duration threshold;
The third condition includes at least one of: the first time length is greater than the second time length threshold, and the UE has no available PUCCH and PUSCH.
In a possible implementation manner, the target channel includes the first PRACH;
the communication sub-module is specifically configured to:
If the network side equipment is preconfigured with a special random access resource for recovering uplink synchronization, transmitting an uplink signal to the network side equipment on the first PRACH based on the resource in the special random access resource;
otherwise, based on the resource in the shared random access resource, sending an uplink signal to the network side equipment on the first PRACH.
In a possible implementation manner, the UE is in the first communication interruption state, and the fourth condition that the RLF state is not triggered includes at least one of the following:
under the condition that the UE is in a Radio Resource Control (RRC) connection state, the UE enters a first communication interruption state under the condition that communication interruption permission is received or configuration information for configuring the UE to enter the communication interruption state is received;
The first duration that the UE is in the first communication interruption state is smaller than or equal to a first duration threshold;
Wherein the fifth condition for triggering the RLF state by the UE includes at least one of:
Under the condition that the UE is in a Radio Resource Control (RRC) connection state, the UE enters the first communication interruption state under the condition that communication interruption permission is not received or configuration information for configuring the UE to enter the communication interruption state is not received;
The first time period is greater than the first time period threshold;
the UE expects to be in the first communication disruption state for a duration greater than a third duration threshold.
In a possible implementation manner, the communication sub-module is specifically configured to execute a cell search procedure when the first target timer runs;
Wherein the first target timer comprises any one of the following: a first timer, a second timer, and a third timer;
Wherein the first timer is started when the UE determines to trigger the RLF state;
The second timer is started after a period of time that the UE determines to trigger the RLF state;
The third timer is started after a period of time that the UE determines to trigger the first communication disruption state.
In a possible implementation, the first timer includes at least one of a first initial value and a second initial value;
The first initial value is suitable for a scene that the UE immediately executes a cell search flow when determining to trigger the RLF state;
The second initial value is applicable to a scenario in which the UE performs a cell search procedure after determining a period of time after triggering the RLF state.
In one possible implementation manner, the communication interrupt processing apparatus further includes: a first control module;
The first control module is configured to control, after the communication sub-module executes the cell search procedure, the UE to enter an RRC idle state when the communication sub-module does not search for a suitable cell when the first timer, the second timer, or the third timer expires.
In one possible implementation manner, the communication interrupt processing apparatus further includes: a second control module;
The second control module is used for:
Terminating the first timer if the communication sub-module searches for a suitable cell while the first timer is running;
Terminating the second timer if the communication sub-module searches for a suitable cell while the second timer is running;
and if the communication sub-module searches a proper cell when the third timer runs, the third timer is terminated.
In one possible implementation manner, the communication interrupt processing apparatus further includes: a third control module;
the third control module is configured to, when the communication sub-module fails to resume communication, control the UE to enter the RRC inactive state if the UE meets a sixth condition; otherwise, controlling the UE to enter an RRC idle state;
wherein the sixth condition includes at least one of:
The UE enters the first communication interruption state without being permitted or configured by network side equipment;
The UE enters the first communication interruption state without being permitted or configured by network side equipment, and the time length in the first communication interruption state is greater than or equal to a fourth time length threshold;
The UE enters the first communication interruption state under the permission or configuration of the network side equipment, and the time length in the first communication interruption state is greater than or equal to a fifth time length threshold.
In a possible implementation manner, the third control module is further configured to, after controlling the UE to enter the RRC inactive state, keep an RRC context when a communication interruption occurs;
Or alternatively
And continuing to use the RRC context when the network side equipment configures the UE to enter the RRC inactive state last time.
In a possible implementation manner, the communication module is further configured to report, after the communication is restored by the target manner and in a case where the communication is successfully restored, target fault information, where the target fault information is used to indicate that the UE has recently entered a communication interruption state or an RLF state due to too low electric power;
wherein, the target fault information comprises at least one of the following items:
fault cause information;
A communication interruption period;
Serving cell information when communication interruption occurs;
the duration of time in the communication state before the communication interruption occurs.
In a possible implementation manner, the fault cause information includes at least one of the following:
Switching information for switching to the first communication interruption state;
Radio link reestablishment failure information;
And (5) uplink resynchronization failure information.
In a possible implementation manner, the seventh condition that the UE reports the target fault information includes at least one of the following:
The UE enters the first communication interruption state in the last RRC connection state;
The time difference between the first time and the second time is less than or equal to a sixth duration threshold;
the network configures the UE to report the target fault information;
the first time is a time when the UE successfully resumes communication, and the second time is a time when the UE enters the first communication interruption state last time.
In a possible implementation manner, the communication interruption device further includes: a fourth control module;
The fourth control module is configured to ignore all or part of downlink reception when the UE is in the first communication interruption state;
And/or the number of the groups of groups,
And the fourth control module is configured to ignore all or part of uplink transmission when the UE is in the first communication interruption state.
In a possible implementation manner, the communication interruption device further includes: a fifth control module;
The UE is in an RRC connection state before entering the first communication interrupt state;
The fifth control module is configured to control the UE to remain in the RRC connected state after the UE enters the first communication interruption state.
In the communication interruption processing device provided by the embodiment of the application, when the UE is in a communication interruption state due to low electric quantity, the communication interruption processing device can collect electric quantity from the environment and try to resume communication by means of uplink resynchronization or wireless link reestablishment after the collected electric quantity is larger than the first electric quantity threshold, so that the UE can be ensured to resume communication smoothly.
The communication interrupt processing device in the embodiment of the application can be an electronic device, for example, an electronic device with an operating system, or can be a component in the electronic device, for example, an integrated circuit or a chip. The electronic device may be a terminal, or may be other devices than a terminal. By way of example, the terminals may include, but are not limited to, the types of terminals 11 listed above, other devices may be servers, network attached storage (Network Attached Storage, NAS), etc., and embodiments of the present application are not limited in detail.
The communication interrupt processing device provided by the embodiment of the present application can implement each process implemented by the embodiments of the methods of fig. 1 to 5, and achieve the same technical effects, and in order to avoid repetition, a detailed description is omitted here.
Optionally, as shown in fig. 7, the embodiment of the present application further provides a communication device 700, including a processor 701 and a memory 702, where the memory 702 stores a program or an instruction that can be executed on the processor 701, and the program or the instruction implements the steps of the foregoing communication interrupt processing method embodiment when executed by the processor 701, and achieves the same technical effects.
The embodiment of the application also provides a terminal, which comprises a processor and a communication interface, wherein the processor is used for collecting electric quantity from the environment under the condition that the UE is in a first communication interruption state, and the first communication interruption state is as follows: the communication interface is used for recovering communication in a target mode under the condition that the electric quantity collected by the processor is greater than or equal to a first electric quantity threshold; wherein the target means comprises at least one of: an uplink resynchronization mode; wireless link reestablishment mode. The terminal embodiment corresponds to the UE-side method embodiment, and each implementation process and implementation manner of the method embodiment are applicable to the UE embodiment, and the same technical effects can be achieved. Specifically, fig. 8 is a schematic diagram of a hardware structure of a terminal for implementing an embodiment of the present application.
The terminal 800 includes, but is not limited to: a radio frequency unit 801, a network module 802, an audio output unit 803, an input unit 804, a sensor 805, a display unit 806, a user input unit 807, an interface unit 808, a memory 809, and at least some of the components of the processor 810, the energy harvesting unit 811, and the like.
Those skilled in the art will appreciate that the terminal 800 may further include a power source (e.g., a battery) for powering the various components, and that the power source may be logically coupled to the processor 810 by a power management system for performing functions such as managing charging, discharging, and power consumption by the power management system. The terminal structure shown in fig. 8 does not constitute a limitation of the terminal, and the terminal may include more or less components than shown, or may combine certain components, or may be arranged in different components, which will not be described in detail herein.
It should be appreciated that in embodiments of the present application, the input unit 804 may include a graphics processing unit (Graphics Processing Unit, GPU) 8041 and a microphone 8042, with the graphics processor 8041 processing image data of still pictures or video obtained by an image capturing device (e.g., a camera) in a video capturing mode or an image capturing mode. The display unit 806 may include a display panel 8061, and the display panel 8061 may be configured in the form of a liquid crystal display, an organic light emitting diode, or the like. The user input unit 807 includes at least one of a touch panel 8071 and other input devices 8072. Touch panel 8071, also referred to as a touch screen. The touch panel 8071 may include two parts, a touch detection device and a touch controller. Other input devices 8072 may include, but are not limited to, a physical keyboard, function keys (e.g., volume control keys, switch keys, etc.), a trackball, a mouse, a joystick, and so forth, which are not described in detail herein.
In the embodiment of the present application, after receiving downlink data from the network side device, the radio frequency unit 801 may transmit the downlink data to the processor 810 for processing; in addition, the radio frequency unit 801 may send uplink data to the network side device. In general, the radio frequency unit 801 includes, but is not limited to, an antenna, an amplifier, a transceiver, a coupler, a low noise amplifier, a duplexer, and the like.
The memory 809 may be used to store software programs or instructions and various data. The memory 809 may mainly include a first storage area storing programs or instructions and a second storage area storing data, wherein the first storage area may store an operating system, application programs or instructions (such as a sound playing function, an image playing function, etc.) required for at least one function, and the like. Further, the memory 809 may include volatile memory or nonvolatile memory, or the memory 809 may include both volatile and nonvolatile memory. The nonvolatile Memory may be a Read-Only Memory (ROM), a Programmable ROM (PROM), an Erasable PROM (EPROM), an Electrically Erasable EPROM (EEPROM), or a flash Memory. The volatile memory may be random access memory (Random Access Memory, RAM), static random access memory (STATIC RAM, SRAM), dynamic random access memory (DYNAMIC RAM, DRAM), synchronous Dynamic Random Access Memory (SDRAM), double data rate Synchronous dynamic random access memory (Double DATA RATE SDRAM, DDRSDRAM), enhanced Synchronous dynamic random access memory (ENHANCED SDRAM, ESDRAM), synchronous link dynamic random access memory (SYNCH LINK DRAM, SLDRAM), and Direct random access memory (DRRAM). Memory 809 in embodiments of the application includes, but is not limited to, these and any other suitable types of memory.
The processor 810 may include one or more processing units; optionally, the processor 810 integrates an application processor that primarily processes operations involving an operating system, user interface, application programs, etc., and a modem processor that primarily processes wireless communication signals, such as a baseband processor. It will be appreciated that the modem processor described above may not be integrated into the processor 810.
Wherein, the energy collection unit 811 is configured to collect electric power from the environment when the UE is in a first communication interruption state, where the first communication interruption state is: a communication interruption state due to low power;
the radio frequency unit 801 is configured to resume communication in a target manner when the electric quantity collected by the energy collection unit 811 is greater than or equal to a first electric quantity threshold;
Wherein the target means comprises at least one of:
An uplink resynchronization mode;
Wireless link reestablishment mode.
In a possible implementation manner, the first condition that the UE triggers the first communication interruption state includes at least one of the following:
The available electric quantity of the UE is insufficient to support or complete uplink transmission;
the available electric quantity of the UE is insufficient to support or complete downlink reception;
The UE reduces the transmission power due to insufficient electric quantity;
The available power of the UE is less than a second power threshold.
In a possible implementation manner, the available power of the UE is insufficient to support or complete uplink transmission, including at least one of the following:
The UE cannot perform uplink transmission according to the uplink transmission permission of the UE;
The UE only can support to complete X times of uplink transmission under the condition that the uplink transmission permission of the UE comprises N times of uplink transmission;
The UE can not complete all N times of transmission under the condition that the UE has N uplink transmission permissions;
the UE cannot complete transmission of PUCCH carrying SR, HARQ feedback information or CSI;
N is a positive integer, and X is an integer less than N.
In a possible implementation manner, the available power of the UE is insufficient to support or complete downlink reception, including at least one of the following:
the UE cannot complete processing of the received baseband information;
the UE cannot complete the reception of the radio frequency signal;
The UE cannot complete the processing of the radio frequency signals;
the UE cannot complete detection of a common PDCCH search space;
the UE cannot complete detection of a dedicated PDCCH search space;
when multi-PDSCH scheduling occurs, the UE cannot complete the reception of all PDSCH;
when multi-PDSCH scheduling occurs, the UE cannot complete decoding of all PDSCH;
After the UE completes the downlink reception, insufficient electric quantity is available for completing the transmission of HARQ feedback information.
In a possible implementation, the radio frequency unit 801 includes a processor 810 and a radio frequency unit 801;
The radio frequency unit 801 is configured to resume communication in the uplink resynchronization manner when the processor 810 determines that the UE is in the first communication interruption state and does not trigger a radio link failure RLF state;
Or alternatively
The radio frequency unit 801 is configured to determine, at the processor 810, that the UE is in a radio link failure RLF state, and resume communication by the radio link reestablishment mode.
In a possible implementation manner, the radio frequency unit 801 is specifically configured to send an uplink signal to a network side device on a target channel;
Wherein the target channel comprises any one of the following:
A first PUCCH;
A first PUSCH of CG;
A first PRACH.
In a possible implementation, the first PUCCH carries SR or CSI.
In a possible implementation manner, in a case that the UE satisfies a second condition, the target channel includes the first PUCCH or the first PUSCH;
In case the UE satisfies a third condition, the target channel comprises the first PRACH;
Wherein the second condition includes: the first duration that the UE is in the first communication interruption state is smaller than or equal to a second duration threshold;
The third condition includes at least one of: the first time length is greater than the second time length threshold, and the UE has no available PUCCH and PUSCH.
In a possible implementation manner, the target channel includes the first PRACH;
the radio frequency unit 801 is specifically configured to:
If the network side equipment is preconfigured with a special random access resource for recovering uplink synchronization, based on the resource in the special random access resource, transmitting an uplink signal to the network side equipment on the first PRACH;
And under the condition that the network side equipment is not configured with the special random access resource for recovering the uplink synchronization, transmitting an uplink signal to the network side equipment on the first PRACH based on the resource in the shared random access resource.
In a possible implementation manner, the UE is in the first communication interruption state, and the fourth condition that the RLF state is not triggered includes at least one of the following:
under the condition that the UE is in a Radio Resource Control (RRC) connection state, the UE enters a first communication interruption state under the condition that communication interruption permission is received or configuration information for configuring the UE to enter the communication interruption state is received;
The first duration that the UE is in the first communication interruption state is smaller than or equal to a first duration threshold;
Wherein the fifth condition for triggering the RLF state by the UE includes at least one of:
Under the condition that the UE is in a Radio Resource Control (RRC) connection state, the UE enters the first communication interruption state under the condition that communication interruption permission is not received or configuration information for configuring the UE to enter the communication interruption state is not received;
The first time period is greater than the first time period threshold;
the UE expects to be in the first communication disruption state for a duration greater than a third duration threshold.
In a possible implementation manner, the radio frequency unit 801 is specifically configured to execute a cell search procedure when the first target timer runs;
Wherein the first target timer comprises any one of the following: a first timer, a second timer, and a third timer;
Wherein the first timer is started when the UE determines to trigger the RLF state;
The second timer is started after a period of time that the UE determines to trigger the RLF state;
The third timer is started after a period of time that the UE determines to trigger the first communication disruption state.
In a possible implementation, the first timer includes at least one of a first initial value and a second initial value;
The first initial value is suitable for a scene that the UE immediately executes a cell search flow when determining to trigger the RLF state;
The second initial value is applicable to a scenario in which the UE performs a cell search procedure after determining a period of time after triggering the RLF state.
In a possible implementation manner, the processor 810 is configured to control, after the radio frequency unit 801 performs the cell search procedure, the UE to enter the RRC idle state if the radio frequency unit 801 does not search for a suitable cell when the first timer, the second timer, or the third timer expires.
In one possible implementation, the processor 810 is configured to:
Terminating the first timer if the radio frequency unit 801 searches for a suitable cell when the first timer is running;
terminating the second timer in case the radio frequency unit 801 searches for a suitable cell when the second timer is running;
in case the radio frequency unit 801 searches for a suitable cell when the third timer is running, the third timer is terminated.
In a possible implementation manner, the processor 810 is configured to, in a case where the radio frequency unit 801 fails to resume communication, control the UE to enter the RRC inactive state if the UE satisfies a sixth condition; otherwise, controlling the UE to enter an RRC idle state;
wherein the sixth condition includes at least one of:
The UE enters the first communication interruption state without being permitted or configured by network side equipment;
The UE enters the first communication interruption state without being permitted or configured by network side equipment, and the time length in the first communication interruption state is greater than or equal to a fourth time length threshold;
The UE enters the first communication interruption state under the permission or configuration of the network side equipment, and the time length in the first communication interruption state is greater than or equal to a fifth time length threshold.
In a possible implementation manner, the processor 810 is further configured to, after controlling the UE to enter the RRC inactive state, reserve an RRC context in which a communication interruption occurs;
Or alternatively
And continuing to use the RRC context when the network side equipment configures the UE to enter the RRC inactive state last time.
In a possible implementation manner, the radio frequency unit 801 is further configured to report, after the communication is restored by the target manner and in a case where the communication is successfully restored, target fault information, where the target fault information is used to indicate that the UE has recently entered a communication interruption state or an RLF state due to too low electric power;
wherein, the target fault information comprises at least one of the following items:
fault cause information;
A communication interruption period;
Serving cell information when communication interruption occurs;
the duration of time in the communication state before the communication interruption occurs.
In a possible implementation manner, the fault cause information includes at least one of the following:
Switching information for switching to the first communication interruption state;
Radio link reestablishment failure information;
And (5) uplink resynchronization failure information.
In a possible implementation manner, the seventh condition that the UE reports the target fault information includes at least one of the following:
The UE enters the first communication interruption state in the last RRC connection state;
The time difference between the first time and the second time is less than or equal to a sixth duration threshold;
the network configures the UE to report the target fault information;
the first time is a time when the UE successfully resumes communication, and the second time is a time when the UE enters the first communication interruption state last time.
In one possible implementation, the processor 810;
The processor 810 is configured to ignore all or part of downlink reception when the UE is in the first communication interruption state;
And/or the number of the groups of groups,
The processor 810 is configured to ignore all or part of uplink transmission when the UE is in the first communication interruption state.
In a possible implementation manner, the UE is in an RRC connected state before entering the first communication interruption state; the processor 810 is further configured to control the UE to remain in the RRC connected state after the UE enters the first communication interrupted state.
In the terminal provided by the embodiment of the application, when the UE is in a communication interruption state due to low electric quantity, the communication interruption processing device can collect electric quantity from the environment and try to resume communication by means of uplink resynchronization or wireless link reestablishment after the collected electric quantity is larger than the first electric quantity threshold, so that the UE can be ensured to resume communication smoothly.
The embodiment of the application also provides a readable storage medium, on which a program or an instruction is stored, which when executed by a processor, implements each process of the above communication interrupt processing method embodiment, and can achieve the same technical effects, so that repetition is avoided, and no further description is given here.
Wherein the processor is a processor in the terminal described in the above embodiment. The readable storage medium includes computer readable storage medium such as computer readable memory ROM, random access memory RAM, magnetic or optical disk, etc.
The embodiment of the application further provides a chip, which comprises a processor and a communication interface, wherein the communication interface is coupled with the processor, and the processor is used for running programs or instructions to realize the processes of the communication interrupt processing method embodiment, and the same technical effects can be achieved, so that repetition is avoided, and the description is omitted here.
It should be understood that the chips referred to in the embodiments of the present application may also be referred to as system-on-chip chips, or the like.
The embodiments of the present application further provide a computer program/program product stored in a storage medium, where the computer program/program product is executed by at least one processor to implement each process of the embodiments of the communication interrupt processing method, and achieve the same technical effects, and are not repeated herein.
It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element. Furthermore, it should be noted that the scope of the methods and apparatus in the embodiments of the present application is not limited to performing the functions in the order shown or discussed, but may also include performing the functions in a substantially simultaneous manner or in an opposite order depending on the functions involved, e.g., the described methods may be performed in an order different from that described, and various steps may be added, omitted, or combined. Additionally, features described with reference to certain examples may be combined in other examples.
From the above description of the embodiments, it will be clear to those skilled in the art that the above-described embodiment method may be implemented by means of software plus a necessary general hardware platform, but of course may also be implemented by means of hardware, but in many cases the former is a preferred embodiment. Based on such understanding, the technical solution of the present application may be embodied essentially or in a part contributing to the prior art in the form of a computer software product stored in a storage medium (e.g. ROM/RAM, magnetic disk, optical disk) comprising instructions for causing a terminal (which may be a mobile phone, a computer, a server, an air conditioner, or a network device, etc.) to perform the method according to the embodiments of the present application.
The embodiments of the present application have been described above with reference to the accompanying drawings, but the present application is not limited to the above-described embodiments, which are merely illustrative and not restrictive, and many forms may be made by those having ordinary skill in the art without departing from the spirit of the present application and the scope of the claims, which are to be protected by the present application.

Claims (30)

1. A communication interrupt handling method, the method comprising:
The method comprises the steps that under the condition that User Equipment (UE) is in a first communication interruption state, electricity is collected from the environment, and the first communication interruption state is as follows: a communication interruption state due to low power;
The UE resumes communication in a target mode under the condition that the collected electric quantity is greater than or equal to a first electric quantity threshold;
Wherein the target means comprises at least one of:
An uplink resynchronization mode;
Wireless link reestablishment mode.
2. The method of claim 1, wherein the first condition for the UE to trigger the first communication disruption state comprises at least one of:
The available electric quantity of the UE is insufficient to support or complete uplink transmission;
the available electric quantity of the UE is insufficient to support or complete downlink reception;
The UE reduces the transmission power due to insufficient electric quantity;
The available power of the UE is less than a second power threshold.
3. The method of claim 2, wherein the insufficient to support or complete upstream transmissions comprises at least one of:
the UE cannot perform uplink transmission according to the uplink transmission permission;
The UE can only support to complete X times of uplink transmission under the condition that the uplink transmission permission comprises N times of uplink transmission;
the UE cannot complete all corresponding N times of transmission under the condition that the UE has N uplink transmission permissions;
The UE cannot complete the transmission of a Physical Uplink Control Channel (PUCCH) carrying Scheduling Request (SR), hybrid automatic repeat request (HARQ) feedback information or Channel State Information (CSI);
N is a positive integer, and X is an integer less than N.
4. The method of claim 2, wherein the insufficient to support or complete downstream reception comprises at least one of:
the UE cannot complete processing of the received baseband information;
the UE cannot complete the reception of the radio frequency signal;
The UE cannot complete the processing of the radio frequency signals;
The UE cannot finish detecting a common physical downlink control channel PDCCH search space;
the UE cannot complete detection of a dedicated PDCCH search space;
When multi-physical downlink shared channel multi-PDSCH scheduling occurs, the UE cannot complete the reception of all PDSCH;
When multi-physical downlink shared channel multi-PDSCH scheduling occurs, the UE cannot complete decoding of all PDSCH;
After the UE completes downlink reception, the UE cannot complete transmission of HARQ feedback information.
5. The method of claim 1, wherein the restoring communication by the targeted manner comprises:
under the condition that the UE determines that the UE is in the first communication interruption state and does not trigger a Radio Link Failure (RLF) state, the UE resumes communication in the uplink resynchronization mode;
And under the condition that the UE determines that the UE is in a Radio Link Failure (RLF) state, the UE resumes communication in the radio link reestablishment mode.
6. The method of claim 5, wherein the UE resumes communication by means of uplink resynchronization, comprising:
the UE transmits an uplink signal to network equipment on a target channel;
Wherein the target channel comprises any one of the following:
A first PUCCH;
Authorizing a first Physical Uplink Shared Channel (PUSCH) of a configuration CG;
A first physical random access channel, PRACH.
7. The method of claim 6, wherein the first PUCCH carries SR or CSI.
8. The method of claim 6, wherein the target channel comprises the first PUCCH or the first PUSCH if the UE satisfies a second condition;
In case the UE satisfies a third condition, the target channel comprises the first PRACH;
Wherein the second condition includes: the first duration that the UE is in the first communication interruption state is smaller than or equal to a second duration threshold;
The third condition includes at least one of: the first time length is greater than the second time length threshold, and the UE has no available PUCCH and PUSCH.
9. The method of claim 6 or 8, wherein the target channel comprises the first PRACH;
The UE sending an uplink signal to a network side device on a target channel, including:
The UE sends an uplink signal to the network side equipment on the basis of resources in the special random access resources under the condition that the network side equipment is preconfigured with the special random access resources for recovering uplink synchronization;
otherwise, the UE sends an uplink signal to the network side equipment on the first PRACH based on the resources in the shared random access resources.
10. The method of claim 5, wherein the UE is in the first communication disruption state and the fourth condition that does not trigger the RLF state comprises at least one of:
under the condition that the UE is in a Radio Resource Control (RRC) connection state, the UE enters a first communication interruption state under the condition that communication interruption permission is received or configuration information for configuring the UE to enter the communication interruption state is received; the first duration that the UE is in the first communication interruption state is smaller than or equal to a first duration threshold;
Wherein the fifth condition for triggering the RLF state by the UE includes at least one of: under the condition that the UE is in a Radio Resource Control (RRC) connection state, the UE enters the first communication interruption state under the condition that communication interruption permission is not received or configuration information for configuring the UE to enter the communication interruption state is not received; the first time period is greater than the first time period threshold; the UE expects to be in the first communication disruption state for a duration greater than a third duration threshold.
11. The method of claim 5, wherein the restoring communication by the radio link reestablishment mode comprises:
The UE executes a cell searching process when a first target timer runs;
Wherein the first target timer comprises any one of the following: a first timer, a second timer, and a third timer;
Wherein the first timer is started when the UE determines to trigger the RLF state;
The second timer is started after a period of time that the UE determines to trigger the RLF state;
The third timer is started after a period of time that the UE determines to trigger the first communication disruption state.
12. The method of claim 11, wherein the first timer comprises a first initial value or a second initial value;
The first initial value is suitable for a scene that the UE immediately executes a cell search flow when determining to trigger the RLF state;
The second initial value is applicable to a scenario in which the UE performs a cell search procedure after determining a period of time that triggers the RLF state.
13. The method of claim 11, wherein after the performing a cell search procedure, the method further comprises:
And under the condition that the UE does not search for a proper cell when the first timer, the second timer or the third timer is overtime, the UE enters an RRC idle state.
14. The method of claim 11, further comprising any one of:
In the case that the UE searches for a suitable cell while the first timer is running, the UE terminates the first timer;
in the case that the UE searches for a suitable cell while the second timer is running, the UE terminates the second timer;
In case the UE searches for a suitable cell while the third timer is running, the UE terminates the third timer.
15. The method of claim 5, wherein the method further comprises:
if the UE meets a sixth condition under the condition that the communication recovery fails, the UE enters the RRC inactive state;
otherwise, the UE enters an RRC idle state;
wherein the sixth condition includes at least one of:
The UE enters the first communication interruption state without being permitted or configured by network side equipment;
The UE enters the first communication interruption state without being permitted or configured by network side equipment, and the time length in the first communication interruption state is greater than or equal to a fourth time length threshold;
The UE enters the first communication interruption state under the permission or configuration of the network side equipment, and the time length in the first communication interruption state is greater than or equal to a fifth time length threshold.
16. The method of claim 15, wherein after the UE enters the RRC inactive state, the method further comprises:
The UE reserves an RRC context when communication interruption occurs;
Or alternatively
The UE continues to use the RRC context when the network side equipment configures the UE to enter the RRC inactive state last time.
17. The method of claim 1, wherein after the communication is restored by the targeted manner, the method further comprises:
Under the condition that the UE successfully resumes communication, reporting target fault information, wherein the target fault information is used for indicating that the UE enters a communication interruption state or an RLF state due to the fact that the electric quantity is too low last time;
wherein, the target fault information comprises at least one of the following items:
fault cause information;
A communication interruption period;
Serving cell information when communication interruption occurs;
the duration of time in the communication state before the communication interruption occurs.
18. The method of claim 17, wherein the fault cause information comprises at least one of:
Switching information for switching to the first communication interruption state;
Radio link reestablishment failure information;
And (5) uplink resynchronization failure information.
19. The method of claim 17, wherein the seventh condition for the UE to report the target fault information comprises at least one of:
The UE enters the first communication interruption state in the last RRC connection state;
The time difference between the first time and the second time is less than or equal to a sixth duration threshold;
the network configures the UE to report the target fault information;
the first time is a time when the UE successfully resumes communication, and the second time is a time when the UE enters the first communication interruption state last time.
20. The method according to claim 1, wherein the method further comprises:
The UE ignores all or part of downlink reception under the condition that the UE is in the first communication interruption state;
And/or the number of the groups of groups,
And under the condition that the UE is in the first communication interruption state, the UE ignores all or part of uplink transmission.
21. The method of claim 1, wherein the UE is in an RRC connected state prior to entering the first communication interrupted state;
the method further comprises the steps of:
The UE remains in the RRC connected state after entering the first communication interrupted state.
22. A communication interrupt handling apparatus, the apparatus comprising: the electric quantity collection module and the communication module;
The power collection module is configured to collect power from an environment when the UE is in a first communication interruption state, where the first communication interruption state is: a communication interruption state due to low power;
The communication module is used for recovering communication in a target mode under the condition that the electric quantity collected by the electric quantity collection module is greater than or equal to a first electric quantity threshold;
Wherein the target means comprises at least one of:
An uplink resynchronization mode;
Wireless link reestablishment mode.
23. The apparatus of claim 22, wherein the first condition for the UE to trigger the first communication disruption state comprises at least one of:
The available electric quantity of the UE is insufficient to support or complete uplink transmission;
the available electric quantity of the UE is insufficient to support or complete downlink reception;
The UE reduces the transmission power due to insufficient electric quantity;
The available power of the UE is less than a second power threshold.
24. The apparatus of claim 23, wherein the UE has insufficient power available to support or perform uplink transmission, comprising at least one of:
the UE cannot perform uplink transmission according to the uplink transmission permission;
The UE can only support to complete X times of uplink transmission under the condition that the uplink transmission permission comprises N times of uplink transmission;
The UE can not complete all N times of transmission under the condition that the UE has N uplink transmission permissions;
the UE cannot complete transmission of PUCCH carrying SR, HARQ feedback information or CSI;
N is a positive integer, and X is an integer less than N.
25. The apparatus of claim 23, wherein the insufficient to support or complete downstream reception comprises at least one of:
the UE cannot complete processing of the received baseband information;
the UE cannot complete the reception of the radio frequency signal;
The UE cannot complete the processing of the radio frequency signals;
the UE cannot complete detection of a common PDCCH search space;
the UE cannot complete detection of a dedicated PDCCH search space;
when multi-PDSCH scheduling occurs, the UE cannot complete the reception of all PDSCH;
when multi-PDSCH scheduling occurs, the UE cannot complete decoding of all PDSCH;
After the UE completes downlink reception, the UE cannot complete transmission of HARQ feedback information.
26. The apparatus of claim 22, wherein the communication module comprises a determination sub-module and a communication sub-module;
the communication sub-module is configured to resume communication in the uplink resynchronization manner when the determination sub-module determines that the UE is in the first communication interruption state and does not trigger a radio link failure RLF state;
Or alternatively
And the communication sub-module is used for determining that the UE is in a Radio Link Failure (RLF) state in the determination sub-module, and recovering communication in the radio link reestablishment mode.
27. The apparatus of claim 22, wherein the communication module is further configured to report, after communication is restored by the target manner and in case communication is successfully restored, target failure information, where the target failure information is used to indicate that the UE has recently entered a communication interruption state or an RLF state due to too low power;
wherein, the target fault information comprises at least one of the following items:
fault cause information;
A communication interruption period;
Serving cell information when communication interruption occurs;
the duration of time in the communication state before the communication interruption occurs.
28. The apparatus of claim 27, wherein the fault cause information comprises at least one of:
Switching information for switching to the first communication interruption state;
Radio link reestablishment failure information;
And (5) uplink resynchronization failure information.
29. A terminal comprising a processor and a memory storing a program or instructions executable on the processor, which when executed by the processor, implement the steps of the communication interrupt handling method of any one of claims 1 to 21.
30. A readable storage medium, characterized in that the readable storage medium has stored thereon a program or instructions which, when executed by a processor, implement the steps of the communication interrupt processing method according to any one of claims 1 to 21.
CN202211256171.1A 2022-10-13 2022-10-13 Communication interrupt processing method, device, terminal and readable storage medium Pending CN117939706A (en)

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US9747538B2 (en) * 2012-04-05 2017-08-29 Ricoh Co., Ltd. Low power radio frequency communication
US10716114B2 (en) * 2015-08-04 2020-07-14 Apple Inc. Outage notification and context preservation for energy-harvesting devices
CN105263157A (en) * 2015-11-19 2016-01-20 中国人民解放军理工大学 Scene perception-based power control method for Ad Hoc network
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