Processing method, communication device, and storage medium

Abstract

The application discloses a processing method, a communication device and a storage medium. The processing method comprises the following steps: in response to a sending failure of a first message, a terminal device performs first processing. Through the technical scheme, the processing mechanism of CB-Message 3 in the NTN scenario is optimized, so that the coverage level is improved when the terminal device continuously fails to send due to a conflict.

Description

Technical Field

[0001] This application relates to the field of communication technology, specifically to a processing method, communication device, and storage medium. Background Technology

[0002] In the existing RACH (Physical Random Access Channel) process, when a terminal device fails to transmit more than a certain number of times, the coverage level will be upgraded, and it will continue to try according to the upgraded coverage level parameters (such as a higher repetition) to avoid transmission failure due to coverage issues.

[0003] In the process of conceiving and implementing this application, the inventors discovered at least the following problems:

[0004] In NTN (Non-Terrestrial Network) scenarios, CB-Msg3 (Contention-Based Msg3) transmission is performed by terminal devices based on RSRP (Reference Signal Receiving Power). Since RSRP changes insignificantly in NTN scenarios and / or terminal devices use shared PUSCH (Physical Uplink Shared Channel) resources to transmit CB-Msg3, CB-Msg3 transmission failures may be due to collisions. If existing processing mechanisms are used, it may lead to unnecessary increases in coverage level. Therefore, it is necessary to optimize the CB-Msg3 processing mechanism to reduce or avoid continuous failures by terminal devices due to collisions that could lead to increased coverage level.

[0005] The preceding description is intended to provide general background information and does not necessarily constitute prior art. Summary of the Invention

[0006] The main purpose of this application is to provide a processing method, communication device and storage medium, which aims to optimize the processing mechanism of CB-Msg3 in NTN scenarios, so as to reduce or avoid the failure of terminal devices to send continuously due to conflicts and improve the coverage level.

[0007] This application provides a processing method applicable to terminal devices (such as mobile phones), comprising the following steps:

[0008] S2: In response to the failure to send the first message, perform the first processing.

[0009] Optionally, the first message is sent based on the first configuration information.

[0010] Optionally, the first process is performed, including at least one of the following:

[0011] If the number of attempts to send the first message is less than the maximum number of attempts X for the current coverage level, then continue to attempt to send the first message at the current coverage level;

[0012] If the number of first message sending attempts is greater than or equal to the maximum number of sending attempts X for the current coverage level, then the second processing step is executed.

[0013] Optionally, a second process is performed, including at least one of the following:

[0014] If all attempts to send the first message fail due to the first reason, or if the number of failures due to the first reason is greater than or equal to the number of failures due to the second reason, then the current coverage level will be increased and the first message will continue to be sent.

[0015] If all attempts to send the first message fail due to a second reason, or if the number of second-reason failures is greater than or equal to the number of first-reason failures, then continue to attempt to send the first message at the current coverage level.

[0016] Optionally, the method further includes at least one of the following:

[0017] If all copies of the first message fail due to the first reason or the number of failures due to the first reason is greater than or equal to the number of failures due to the second reason, then the failure of the first message is confirmed as a failure due to the first reason.

[0018] If all copies of the first message fail due to the second reason, or if the number of second-reason failures is greater than or equal to the number of first-reason failures, then the failure of the first message transmission is confirmed as a second-reason failure.

[0019] Optionally, the method further includes at least one of the following:

[0020] If the first listening window times out and / or does not receive a contention resolution flag matching the terminal device, then contention resolution is considered to have failed.

[0021] When the contention for resolving all copies of the first message fails, the failure to send the first message is confirmed.

[0022] If the physical downlink control channel and / or reference signal received without scrambling with a temporary identifier for the wireless network is not received and the power is near the coverage level threshold, it is recorded as a first-cause failure.

[0023] If a physical downlink control channel scrambled with a temporary identifier for the wireless network is received but contention resolution fails or a response message indicates a conflict, it is recorded as a second-cause failure.

[0024] If a Physical Downlink Control Channel (PLC) scrambled with a Radio Network Temporary Identifier (NRMIC) is received, but the PLC indication is conflicting, it is recorded as a second-cause failure.

[0025] Optionally, continue to attempt to send the first message at the current coverage level, including at least one of the following:

[0026] After adjusting the first time window, continue attempting to send the first message;

[0027] After adjusting the number of copy and send attempts, try sending the first message again.

[0028] Continue attempting to send the first message using the random access procedure.

[0029] In this application, the number of times N, X, Y, N times or similar wording shall take the value of 0 or a positive integer unless otherwise specified.

[0030] This application also provides a processing method applicable to network devices (such as base stations), comprising the following steps:

[0031] S1: Send first configuration information so that the terminal device responds to the failure of sending the first message and performs the first processing.

[0032] Optionally, the first message is sent by the terminal device based on the first configuration information, and / or the first configuration information includes at least one of the following:

[0033] First message: Time-domain and / or frequency-domain resource configuration;

[0034] Number of copies sent (N);

[0035] Reference signal reception power coverage level selection threshold;

[0036] Maximum number of transmission attempts for coverage level X;

[0037] First-time window configuration information;

[0038] First listening window.

[0039] Optionally, the terminal device performs a first process, including at least one of the following:

[0040] If the number of times the terminal device attempts to send the first message is less than the maximum number of times it can send the message at the current coverage level, then the terminal device will continue to attempt to send the first message at the current coverage level.

[0041] If the number of first message sending attempts by the terminal device is greater than or equal to the maximum number of sending attempts X for the current coverage level, then the terminal device will perform the second processing.

[0042] Optionally, the terminal device performs a second process, including at least one of the following:

[0043] If all first message transmissions by the terminal device fail due to the first reason or the number of first-reason failures is greater than or equal to the number of second-reason failures, the terminal device will upgrade its current coverage level and continue to attempt to send the first message.

[0044] If all first message transmissions by the terminal device fail due to the second reason, or if the number of second-reason failures is greater than or equal to the number of first-reason failures, the terminal device will continue to attempt to send the first message at the current coverage level.

[0045] Optionally, the method further includes at least one of the following:

[0046] If all copies of the first message sent by the terminal device fail due to the first reason, or if the number of failures due to the first reason is greater than or equal to the number of failures due to the second reason, then the terminal device confirms that the failure of the first message sending is due to the first reason.

[0047] If all copies of the first message sent by the terminal device fail due to the second reason, or if the number of second-reason failures is greater than or equal to the number of first-reason failures, then the terminal device confirms that the failure of the first message sending is due to the second reason.

[0048] Optionally, the method further includes at least one of the following:

[0049] If the terminal device's first listening window times out and / or it does not receive a contention resolution flag that matches the terminal device, the terminal device confirms that the contention resolution has failed.

[0050] When the contention for resolving all copies of the first message fails to be resolved on the terminal device, the terminal device acknowledges that the first message has failed to be sent.

[0051] If the terminal device does not receive the physical downlink control channel scrambled with the wireless network temporary identifier and / or the received power of the reference signal is near the coverage level threshold, the terminal device is recorded as failing for the first reason.

[0052] If the terminal device receives a physical downlink control channel scrambled with a temporary identifier for the wireless network but fails to resolve the contention or the response message indicates a conflict, the terminal device records this as a second-cause failure.

[0053] If the terminal device receives a physical downlink control channel scrambled with a temporary identifier for the wireless network, but the physical downlink control channel indication conflict occurs, the terminal device records the failure as a second cause.

[0054] Optionally, the terminal device continues to attempt to send the first message at the current coverage level, including at least one of the following:

[0055] After adjusting the first time window, the terminal device will continue to attempt to send the first message;

[0056] After adjusting the number of copy and send attempts, the terminal device continues to try sending the first message.

[0057] The terminal device continues to attempt to send the first message using a random access procedure.

[0058] This application also provides a processing apparatus, the apparatus comprising:

[0059] The processing module is used to perform the first processing in response to the failure to send the first message.

[0060] This application also provides a processing apparatus, the apparatus comprising:

[0061] The sending module is used to send first configuration information so that the terminal device can perform first processing in response to the failure of sending the first message.

[0062] This application also provides a communication device, including: a memory, a processor, and a processing program stored in the memory and executable on the processor, wherein the processing program, when executed by the processor, implements the steps of any of the processing methods described above.

[0063] The communication equipment mentioned in this application may be a terminal device (such as a mobile phone), a network device (such as a base station), or a chip (such as a SOC or a baseband chip with communication functions). The specific meaning needs to be clarified in the context.

[0064] This application also provides a computer-readable storage medium storing a computer program that, when executed by a processor, implements the steps of any of the processing methods described above.

[0065] In this application's technical solution, the terminal device sends a first message based on the first configuration information, optimizing the CB-Msg3 processing mechanism in the NTN scenario to reduce or avoid improving the coverage level when the terminal device fails to send continuously due to conflicts. Attached Figure Description

[0066] The accompanying drawings, which are incorporated in and form part of this specification, illustrate embodiments consistent with this application and, together with the description, serve to explain the principles of this application. To more clearly illustrate the technical solutions of the embodiments of this application, the drawings used in the description of the embodiments will be briefly introduced below. Obviously, those skilled in the art can obtain other drawings based on these drawings without any creative effort.

[0067] Figure 1 A schematic diagram of the hardware structure of a mobile terminal to implement the various embodiments of this application;

[0068] Figure 2A communication network system architecture diagram provided for an embodiment of this application;

[0069] Figure 3 A schematic diagram of the hardware structure of a controller 140 provided in this application;

[0070] Figure 4 A schematic diagram of the hardware structure of a network node 150 provided in this application;

[0071] Figure 5 This is a schematic flowchart illustrating the processing method of the first embodiment of this application;

[0072] Figure 6 This is a schematic diagram illustrating a scenario of sending failure cause analysis in the processing method shown in the second embodiment of this application;

[0073] Figure 7 This is a schematic diagram of the logic flow for analyzing the cause of transmission failure in the processing method shown in the second embodiment of this application;

[0074] Figure 8 This is a flowchart illustrating the processing method in the third embodiment of this application, in which different processes are performed according to different failure reasons;

[0075] Figure 9 This is a schematic flowchart illustrating the processing method of the fourth embodiment of this application;

[0076] Figure 10 This is a schematic diagram illustrating the interaction flow between a network device and a terminal device in the processing method shown in the fifth embodiment of this application;

[0077] Figure 11 Schematic diagram of the processing apparatus provided in the embodiments of this application Figure 1 ;

[0078] Figure 12 Schematic diagram of the processing apparatus provided in the embodiments of this application Figure 2 ;

[0079] Figure 13 This is a schematic diagram of the structure of a communication device provided in an embodiment of this application.

[0080] The realization of the objectives, functional features, and advantages of this application will be further explained in conjunction with the embodiments and with reference to the accompanying drawings. The accompanying drawings have illustrated specific embodiments of this application, which will be described in more detail below. These drawings and textual descriptions are not intended to limit the scope of the concept in any way, but rather to illustrate the concepts of this application to those skilled in the art through reference to specific embodiments. Detailed Implementation

[0081] Exemplary embodiments will now be described in detail, examples of which are illustrated in the accompanying drawings. When the following description relates to the drawings, unless otherwise indicated, the same numbers in different drawings denote the same or similar elements. The embodiments described in the following exemplary embodiments do not represent all embodiments consistent with this application. Rather, they are merely examples of apparatuses and methods consistent with some aspects of this application as detailed in the appended claims.

[0082] It should be noted that, in this document, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such a process, method, article, or apparatus. Without further limitations, an element defined by the phrase "comprising one..." does not exclude the presence of other identical elements in the process, method, article, or apparatus that includes that element, and / or, components, features, and elements with the same names in different embodiments of this application may have the same meaning or different meanings, the specific meaning of which must be determined by its interpretation in that specific embodiment or further in conjunction with the context of that specific embodiment.

[0083] It should be understood that although the terms first, second, third, etc., may be used herein to describe various information, such information should not be limited to these terms. These terms are used only to distinguish information of the same type from one another. For example, without departing from the scope of this document, first information may also be referred to as second information, and similarly, second information may also be referred to as first information. Depending on the context, the word "if," as used herein, may be interpreted as "when," "when," or "in response to determination." Furthermore, as used herein, the singular forms "a," "an," and "the" are intended to also include the plural forms unless the context indicates otherwise. It should be further understood that the terms "comprising," "including," indicate the presence of the stated feature, step, operation, element, component, item, kind, and / or group, but do not exclude the presence, occurrence, or addition of one or more other features, steps, operations, elements, components, items, kinds, and / or groups. The terms "or," "and / or," "including at least one of the following," etc., as used in this application, may be interpreted as inclusive, or mean any one or any combination thereof. For example, "including at least one of the following: A, B, C" means "any one of the following: A; B; C; A and B; A and C; B and C; A and B and C." Similarly, "A, B, or C" or "A, B, and / or C" means "any one of the following: A; B; C; A and B; A and C; B and C; A and B and C." Exceptions to this definition only occur when the combination of elements, functions, steps, or operations is inherently mutually exclusive in some way.

[0084] It should be understood that although the steps in the flowcharts of this application's embodiments are shown sequentially according to the arrows, these steps are not necessarily executed in the order indicated by the arrows. Unless explicitly stated herein, there is no strict order restriction on the execution of these steps, and they can be executed in other orders. Moreover, at least some of the steps in the figures may include multiple sub-steps or multiple stages. These sub-steps or stages are not necessarily completed at the same time, but can be executed at different times, and their execution order is not necessarily sequential, but can be performed alternately or in turn with other steps or at least a portion of the sub-steps or stages of other steps.

[0085] Depending on the context, the words “if” or “suppose” as used here can be interpreted as “when” or “in response to determination” or “in response to detection.” Similarly, depending on the context, the phrases “if determination” or “if detection (of the stated condition or event)” can be interpreted as “when determination” or “in response to determination” or “when detection (of the stated condition or event)” or “in response to detection (of the stated condition or event).”

[0086] It should be noted that step designations such as S1 and S2 are used in this document for the purpose of more clearly and concisely describing the corresponding content, and do not constitute a substantial limitation on the order. In specific implementation, those skilled in the art may execute S2 first and then S1, etc., but these should all be within the protection scope of this application.

[0087] It should be understood that the specific embodiments described herein are merely illustrative of this application and are not intended to limit this application.

[0088] In the following description, the use of suffixes such as "module," "part," or "unit" to denote elements is solely for the purpose of illustrative purposes and has no specific meaning in itself. Therefore, "module," "part," or "unit" may be used interchangeably.

[0089] In this application, the number of times N, X, Y, N times or similar wording shall take the value of 0 or a positive integer unless otherwise specified.

[0090] The communication equipment mentioned in this application may be a terminal device (such as a mobile phone), a network device (such as a base station), or a chip (such as a SOC or a baseband chip with communication functions). The specific meaning needs to be clarified according to the context.

[0091] Terminal devices can be implemented in various forms. For example, the terminal devices described in this application may include smart terminal devices such as mobile phones, tablets, laptops, handheld computers, personal digital assistants (PDAs), portable media players (PMPs), navigation devices, wearable devices, smart bracelets, pedometers, etc., as well as fixed terminal devices such as digital TVs and desktop computers.

[0092] The following description will use a mobile terminal as an example. Those skilled in the art will understand that, apart from elements specifically designed for mobile purposes, the construction according to the embodiments of this application can also be applied to fixed-type terminal devices.

[0093] Please see Figure 1 This is a schematic diagram of the hardware structure of a mobile terminal implementing various embodiments of this application. The mobile terminal 100 may include: a radio frequency unit 101, a WiFi module 102, an audio output unit 103, an A / V (audio / video) input unit 104, a sensor 105, a display unit 106, a user input unit 107, an interface unit 108, a memory 109, a processor 110, and a power supply 111, etc. Those skilled in the art will understand that... Figure 1 The mobile terminal structure shown does not constitute a limitation on the mobile terminal. The mobile terminal may include more or fewer components than shown, or combine certain components, or have different component arrangements.

[0094] The following is combined Figure 1 A detailed introduction to each component of the mobile terminal:

[0095] The radio frequency unit 101 can be used for receiving and transmitting signals during information transmission or calls. Specifically, it receives downlink information from the base station and processes it with the processor 110; additionally, it transmits uplink data to the base station. Typically, the radio frequency unit 101 includes, but is not limited to, an antenna, at least one amplifier, a transceiver, a coupler, a low-noise amplifier, a duplexer, etc. And / or, the radio frequency unit 101 can also communicate wirelessly with networks and other devices. The aforementioned wireless communications may use any communication standard or protocol, including but not limited to GSM (Global System of Mobile communication), GPRS (General Packet Radio Service), CDMA2000 (Code Division Multiple Access 2000), WCDMA (Wideband Code Division Multiple Access), TD-SCDMA (Time Division-Synchronous Code Division Multiple Access), FDD-LTE (Frequency Division Duplexing-Long Term Evolution), TDD-LTE (Time Division Duplexing-Long Term Evolution), 5G, and 6G.

[0096] WiFi is a short-range wireless transmission technology. Mobile terminals, through the WiFi module 102, can help users send and receive emails, browse web pages, and access streaming media, providing users with wireless broadband internet access. Although Figure 1 WiFi module 102 is shown, but it is understood that it is not a necessary component of a mobile terminal and can be omitted as needed without changing the nature of the invention.

[0097] The audio output unit 103 can convert audio data received by the radio frequency unit 101 or the WiFi module 102 or stored in the memory 109 into audio signals and output them as sound when the mobile terminal 100 is in call signal receiving mode, call mode, recording mode, voice recognition mode, broadcast receiving mode, or other modes. Furthermore, the audio output unit 103 can also provide audio output related to specific functions performed by the mobile terminal 100 (e.g., call signal receiving sound, message receiving sound, etc.). The audio output unit 103 may include a speaker, a buzzer, etc.

[0098] The A / V input unit 104 is used to receive audio or video signals. The A / V input unit 104 may include a graphics processing unit (GPU) 1041 and a microphone 1042. The GPU 1041 processes image data of still images or videos acquired by an image capture device (such as a camera) in video capture mode or image capture mode. The processed image frames can be displayed on the display unit 106. The image frames processed by the GPU 1041 can be stored in the memory 109 (or other storage medium) or transmitted via the radio frequency unit 101 or the WiFi module 102. The microphone 1042 can receive sound (audio data) in operating modes such as telephone call mode, recording mode, and voice recognition mode, and can process such sound into audio data. The processed audio (voice) data can be converted into a format that can be transmitted to a mobile communication base station via the radio frequency unit 101 in telephone call mode. The microphone 1042 can implement various types of noise cancellation (or suppression) algorithms to eliminate (or suppress) noise or interference generated during the reception and transmission of audio signals.

[0099] The mobile terminal 100 also includes at least one sensor 105, such as a light sensor, a motion sensor, and other sensors. Optionally, the light sensor includes an ambient light sensor and a proximity sensor. Optionally, the ambient light sensor can adjust the brightness of the display panel 1061 according to the ambient light level, and the proximity sensor can turn off the display panel 1061 and / or backlight when the mobile terminal 100 is moved to the ear. As a type of motion sensor, an accelerometer sensor can detect the magnitude of acceleration in various directions (generally three axes), and can detect the magnitude and direction of gravity when stationary. It can be used for applications that recognize the phone's posture (such as landscape / portrait switching, related games, magnetometer posture calibration), vibration recognition related functions (such as pedometer, tapping), etc. Other sensors that may be configured in the phone, such as fingerprint sensors, pressure sensors, iris sensors, molecular sensors, gyroscopes, barometers, hygrometers, thermometers, and infrared sensors, will not be described in detail here.

[0100] The display unit 106 is used to display information input by the user or information provided to the user. The display unit 106 may include a display panel 1061, which may be configured in the form of a liquid crystal display (LCD), an organic light-emitting diode (OLED), or the like.

[0101] User input unit 107 can be used to receive input numerical or character information, and generate key signal inputs related to user settings and function control of the mobile terminal. Optionally, user input unit 107 may include touch panel 1071 and other input devices 1072. Touch panel 1071, also known as touch screen, can collect touch operations on or near the user (such as operations performed by the user using a finger, stylus, or any suitable object or accessory on or near touch panel 1071), and drive corresponding connection devices according to a pre-set program. Touch panel 1071 may include two parts: touch detection device and touch controller. Optionally, touch detection device detects the user's touch position and the signal generated by the touch operation, and transmits the signal to touch controller; touch controller receives touch information from touch detection device, converts it into touch point coordinates, sends it to processor 110, and can receive and execute commands from processor 110. And / or, touch panel 1071 can be implemented using various types such as resistive, capacitive, infrared, and surface acoustic wave. In addition to the touch panel 1071, the user input unit 107 may also include other input devices 1072. Optionally, other input devices 1072 may include, but are not limited to, one or more of the following: physical keyboard, function keys (such as volume control buttons, power buttons, etc.), trackball, mouse, joystick, etc., without being specifically limited here.

[0102] Optionally, the touch panel 1071 may cover the display panel 1061. When the touch panel 1071 detects a touch operation on or near it, it transmits the information to the processor 110 to determine the type of touch event. Subsequently, the processor 110 provides corresponding visual output on the display panel 1061 based on the type of touch event. Although in Figure 1 In this embodiment, the touch panel 1071 and the display panel 1061 are two independent components to realize the input and output functions of the mobile terminal. However, in some embodiments, the touch panel 1071 and the display panel 1061 can be integrated to realize the input and output functions of the mobile terminal. The specific implementation is not limited here.

[0103] Interface unit 108 serves as an interface through which at least one external device can connect to mobile terminal 100. For example, the external device may include a wired or wireless headset port, an external power supply (or battery charger) port, a wired or wireless data port, a memory card port, a port for connecting a device with an identification module, an audio input / output (I / O) port, a video I / O port, a headphone port, etc. Interface unit 108 may be used to receive input (e.g., data, power, etc.) from the external device and transmit the received input to one or more components within mobile terminal 100, or it may be used to transmit data between mobile terminal 100 and the external device.

[0104] The memory 109 can be used to store software programs and various data. The memory 109 may primarily include a program storage area and a data storage area. Optionally, the program storage area may store the operating system, applications required for at least one function (such as sound playback, image playback, etc.), etc.; the data storage area may store data created based on the use of the mobile phone (such as audio data, phonebook, etc.). And / or, the memory 109 may include high-speed random access memory, and may also include non-volatile memory, such as at least one disk storage device, flash memory device, or other volatile solid-state storage device.

[0105] The processor 110 is the control center of the mobile terminal. It connects various parts of the mobile terminal via various interfaces and lines. By running or executing software programs and / or modules stored in the memory 109, and by calling data stored in the memory 109, it performs various functions and processes data of the mobile terminal, thereby providing overall monitoring of the mobile terminal. The processor 110 may include one or more processing units; preferably, the processor 110 may integrate an application processor and a modem processor. Optionally, the application processor mainly handles the operating system, user interface, and applications, while the modem processor mainly handles wireless communication. It is understood that the modem processor may not be integrated into the processor 110.

[0106] The mobile terminal 100 may also include a power supply 111 (such as a battery) that supplies power to various components. Preferably, the power supply 111 can be logically connected to the processor 110 through a power management system, thereby enabling functions such as charging, discharging, and power consumption management through the power management system.

[0107] although Figure 1 As not shown, the mobile terminal 100 may also include a Bluetooth module, etc., which will not be described in detail here.

[0108] To facilitate understanding of the embodiments of this application, the communication network system on which the mobile terminal of this application is based is described below.

[0109] Please see Figure 2 , Figure 2This application provides a communication network system architecture diagram. The communication network system is a New Radio (NR) system based on general mobile communication technology. The NR system includes a UE (User Equipment) 201, an E-UTRAN (Evolved UMTS Terrestrial Radio Access Network) 202, an EPC (Evolved Packet Core) 203, and the operator's IP services 204, which are connected in sequence.

[0110] Optionally, UE201 can be the aforementioned terminal device 100, which will not be described in detail here.

[0111] E-UTRAN202 includes eNodeB2021 and other eNodeB2022, etc. Optionally, eNodeB2021 can connect to other eNodeB2022 via backhaul (e.g., X2 interface), and eNodeB2021 connects to EPC203, providing access from UE201 to EPC203.

[0112] EPC203 may include MME (Mobility Management Entity) 2031, HSS (Home Subscriber Server) 2032, other MMEs 2033, SGW (Serving Gateway) 2034, PGW (Packet Data Network Gateway) 2035, and PCRF (Policy and Charging Rules Function) 2036, etc. Optionally, MME2031 is the control node that handles signaling between UE201 and EPC203, providing bearer and connection management. HSS2032 is used to provide registers to manage functions such as the Home Location Register (not shown in the figure) and stores user-specific information such as service characteristics and data rates. All user data can be sent through SGW2034. PGW2035 can provide UE 201 IP address allocation and other functions. PCRF2036 is the policy and charging control decision point for service data flow and IP bearer resources. It selects and provides available policy and charging control decisions for the policy and charging enforcement function unit (not shown in the figure).

[0113] IP services 204 may include the Internet, intranet, IMS (IP Multimedia Subsystem), or other IP services.

[0114] Although the above description uses the LTE system as an example, those skilled in the art should know that this application is not only applicable to the LTE system, but also to other wireless communication systems, such as GSM, CDMA2000, WCDMA, TD-SCDMA, 5G and future new network systems (such as 6G), etc., without limitation.

[0115] Figure 3 This is a schematic diagram of the hardware structure of a controller 140 provided in this application. The controller 140 includes a memory 1401 and a processor 1402. The memory 1401 is used to store program instructions, and the processor 1402 is used to call the program instructions in the memory 1401 to execute the steps performed by the controller in the first embodiment of the above method. The implementation principle and beneficial effects are similar, and will not be described again here.

[0116] Optionally, the controller further includes a communication interface 1403, which can be connected to the processor 1402 via a bus 1404. The processor 1402 can control the communication interface 1403 to implement the receiving and sending functions of the controller 140.

[0117] Figure 4 This application provides a schematic diagram of the hardware structure of a network node 150. The network node 150 includes a memory 1501 and a processor 1502. The memory 1501 is used to store program instructions, and the processor 1502 is used to call the program instructions in the memory 1501 to execute the steps performed by the first node in the first embodiment of the above method. The implementation principle and beneficial effects are similar, and will not be described again here.

[0118] Optionally, the controller further includes a communication interface 1503, which can be connected to the processor 1502 via a bus 1504. The processor 1502 can control the communication interface 1503 to implement the receiving and sending functions of the network node 150.

[0119] The integrated modules described above, implemented as software functional modules, can be stored in a computer-readable storage medium. These software functional modules, stored in a storage medium, include several instructions to cause a computer device (which may be a personal computer, server, or network device, etc.) or processor to execute some steps of the methods of the various embodiments of this application.

[0120] In the above embodiments, implementation can be achieved, in whole or in part, through software, hardware, firmware, or any combination thereof. When implemented in software, it can be implemented, in whole or in part, as a computer program product. A computer program product includes one or more computer instructions. When the computer program instructions are loaded and executed on a computer, all or part of the flow or function according to the embodiments of this application is generated. The computer can be a general-purpose computer, a special-purpose computer, a computer network, or other programmable device. The computer instructions can be stored in a storage medium or transmitted from one storage medium to another. For example, computer instructions can be transmitted from one website, computer, server, or data center to another website, computer, server, or data center via wired (e.g., coaxial cable, fiber optic, digital subscriber line (DSL)) or wireless (e.g., infrared, wireless, microwave, etc.) means. The storage medium can be any available medium that a computer can access or a data storage device such as a server or data center that integrates one or more available media. The available medium can be a magnetic medium (e.g., floppy disk, hard disk, magnetic tape), an optical medium (e.g., DVD), or a semiconductor medium (e.g., solid-state disk, SSD), etc.

[0121] Based on the above-described mobile terminal hardware structure and communication network system, various embodiments of this application are proposed.

[0122] Technical terms used in this embodiment:

[0123] UE: User Equipment, or terminal equipment;

[0124] RACH: Random Access Channel;

[0125] PDCCH: Physical Downlink Control Channel;

[0126] PUSCH: Physical Uplink Shared Channel;

[0127] SI: System Information;

[0128] NTN: Non-Terrestrial Network;

[0129] IoT-NTN: Internet of Things-Non-Terrestrial Network;

[0130] NB-IoT: Narrow Band Internet of Things;

[0131] CB-Msg3: Contention-Based Msg3, a contention-based message type.

[0132] DSA: Diversity Slotted ALOHA;

[0133] RNTI: Radio Network Temporary Identity;

[0134] replica: to copy;

[0135] RO: Resource Occasion;

[0136] CE: Coverage Enhancement / Enhanced coverage;

[0137] CE level: Coverage Enhancement Level;

[0138] RSRP: Reference Signal Receiving Power.

[0139] TA: Timing Advance;

[0140] RSSI: Received Signal Strength Indication.

[0141] First Embodiment

[0142] Reference Figure 5 , Figure 5 This is a flowchart illustrating the processing method of the first embodiment of this application. The processing method of this embodiment can be applied to a terminal device (such as a mobile phone) and includes the following steps:

[0143] S1: The terminal device responds to the failure to send the first message and performs the first processing.

[0144] This embodiment of the technical solution addresses the transmission of CB-Msg3 in NTN scenarios. In response to the failure of sending the first message, the terminal device performs the first processing, thus optimizing the processing mechanism of CB-Msg3 in NTN scenarios to reduce or avoid improving the coverage level when the terminal device fails to send consecutively due to conflicts.

[0145] Optionally, the first message is sent based on the first configuration information.

[0146] Optionally, the first configuration information is provided by the network device.

[0147] Alternatively, network equipment may be base stations, etc.

[0148] Optionally, the network device sends first configuration information, the terminal device receives the first configuration information, and sends a first message based on the first configuration information.

[0149] Optionally, the terminal device performs the first processing in response to the failure to send the first message.

[0150] Optionally, when the contention for resolving all copies of the first message fails, the terminal device acknowledges that the first message transmission has failed.

[0151] Optionally, the failure of the terminal device to send the first message includes failure due to a first reason and / or failure due to a second reason.

[0152] Optionally, the failure to copy and send the first message on the terminal device may include failure due to a first reason and / or failure due to a second reason.

[0153] Optionally, the reason for the failure of the first message transmission by the terminal device is determined based on the distribution of all copy transmission failure reasons in the first message transmission.

[0154] Optionally, if all copies of the first message fail due to the first reason or the number of failures due to the first reason is greater than or equal to the number of failures due to the second reason, the terminal device confirms that the failure of the first message transmission is due to the first reason.

[0155] Optionally, if all copies of the first message fail due to the second reason or the number of failures due to the second reason is greater than or equal to the number of failures due to the first reason, the terminal device confirms that the failure of the first message transmission is due to the second reason.

[0156] Optionally, the first-reason failure is a failure caused by a covered reason.

[0157] Optionally, the second cause of failure is a failure caused by a conflict.

[0158] Optionally, after confirming that the first message transmission failed, the terminal device performs the first processing, that is, performs the corresponding processing based on the maximum number of transmission attempts X of the coverage level, such as continuing to try to send the first message at the current coverage level, or determining the main reason for the failure of this first message transmission (such as coverage reasons or conflict reasons), and performing different processing according to different failure reasons. This optimizes the processing mechanism of CB-Msg3 in the NTN scenario, so as to reduce or avoid the terminal device from increasing the coverage level when it fails to send continuously due to conflict reasons.

[0159] Optionally, the terminal device performs a first process, including at least one of the following:

[0160] If the number of attempts to send the first message is less than the maximum number of attempts X for the current coverage level, then continue to attempt to send the first message at the current coverage level;

[0161] If the number of first message sending attempts is greater than or equal to the maximum number of sending attempts X for the current coverage level, then the second processing step is executed.

[0162] Optionally, a second process is performed, including at least one of the following:

[0163] If all (copy) transmissions of the first message fail due to the first reason or the number of failures due to the first reason is greater than or equal to the number of failures due to the second reason, the terminal device upgrades the current coverage level and continues to attempt to send the first message; alternatively, if the current coverage level is already the highest, the terminal device uses a random access procedure (indicating that the transmission failure is mainly due to coverage reasons).

[0164] If all (copy) transmissions of the first message fail due to a second reason, or if the number of second-reason failures is greater than or equal to the number of first-reason failures, the terminal device continues to attempt to send the first message at the current coverage level (indicating that the transmission failure was primarily due to a conflict).

[0165] Optionally, the terminal device selects a threshold based on the coverage level to determine its coverage level.

[0166] Optionally, the first configuration information includes at least one of the following: first message time domain and / or frequency domain resource configuration, number of copy transmissions N, number of repetitions M, reference signal received power coverage level selection threshold, maximum number of transmission attempts for coverage level X, first time window configuration information, and first listening window.

[0167] Optionally, the first message's time-domain and / or frequency-domain resource configuration represents the time-domain location and / or period, and the frequency-domain resource configuration, which is optionally provided based on the coverage level.

[0168] Optionally, the number of replicas N represents the number of times the first message is replicated and sent, and its value range can be {1,2,3,4}. Optionally, the number of replicas N is provided based on the coverage level.

[0169] Optionally, the repetition number M represents the number of times the first message is copied and sent. Optionally, the repetition number M is provided based on the coverage level.

[0170] Optionally, a reference signal received power coverage level selection threshold is provided for the terminal equipment to select a coverage level based on the reference signal received power (RSRP).

[0171] Optionally, the maximum number of transmission attempts X for the coverage level represents the maximum number of attempts to send the first message at that coverage level. Optionally, the maximum number of transmission attempts X for the coverage level is provided based on the coverage level.

[0172] Optionally, the first time window configuration information is used by the terminal device to (randomly) select N times within the first time window to send N copies of the first message. Optionally, the first time window configuration information is provided based on the coverage level.

[0173] Optionally, the terminal device may use the next available first message resource occcasion as the starting point of the first time window.

[0174] Optionally, the terminal device takes the first copy of the first message as the starting point of the first time window.

[0175] Optionally, the first-time window configuration information includes at least one of the following: window length L, window period, window start position, window adjustment step size delta, maximum number of window adjustments Y, and maximum transport block size.

[0176] Optionally, the window length L or window period can be the number of first message resource opportunities, such as X first message resource opportunities as one window length or period (i.e., X consecutive time domain positions of the first messages as one window length or period).

[0177] Optionally, the window adjustment step size unit can be the number of first message resource opportunities or the length or period of the first window.

[0178] Optionally, the maximum number of window adjustments, Y, represents the maximum number of times the window can be adjusted.

[0179] Optionally, the first listening window is used to listen for the network device's response after the terminal device sends the first message (copy). Optionally, the first listening window can be a timer, such as a contention resolution timer. Optionally, the length of the first listening window is provided based on the coverage level.

[0180] Optionally, the maximum transport block size (TBS) indicates the maximum transport block size that can trigger the first message.

[0181] Optionally, at least one of the first configuration information is per CE level, that is, at least one of the first configuration information is provided according to the coverage level.

[0182] Optionally, the terminal device determines whether to use the first message and / or CE level based on the Reference Signal Received Power (RSRP) selection threshold. For example, when the Reference Signal Received Power (RSRP) is lower than a certain threshold, the first message is not used, and the Random Access (RACH) procedure is used instead.

[0183] Optionally, the terminal device determines whether to use the first message and / or determine the CElevel based on different RSRP thresholds.

[0184] Optionally, the first message can be CB-Msg3 (contention-based message 3).

[0185] Optionally, message 3 can be either an RRC Early Data Request or an RRC Connection Resume Request message.

[0186] Optionally, the first message includes location information and / or RNTI for sending a copy of the first message (partial or complete).

[0187] Optionally, the terminal device receives the first configuration information and sends the first message when at least one of the following conditions is met:

[0188] The upper layer requests the establishment or restoration of an RRC connection;

[0189] The terminal equipment has effective timing advance or can use pre-compensated timing advance;

[0190] Uplink data does not exceed the transport block size; for example, the transmitted MAC PDU does not exceed the transport block size.

[0191] The reference signal received power meets the corresponding reference signal received power selection threshold.

[0192] Optionally, the terminal device may select N times within the (next) first time window to send N copies of the first message.

[0193] Optionally, the terminal device starts the first listening window after sending the first message (copy).

[0194] Optionally, the terminal device listens to the Physical Downlink Control Channel (PDCCH) scrambled with Radio Network Temporary Identifier (RNTI) within the first listening window.

[0195] Optionally, if the terminal device detects a physical downlink control channel scrambled with a temporary wireless network identifier within the first listening window and receives a response message corresponding to the first message, and the response information carries a contention resolution identifier matching the terminal device, then the terminal device stops the first listening window, confirms successful contention resolution, and considers the first message to have been successfully sent.

[0196] Optionally, if there are any remaining copies that have not been sent when the first message is successfully sent, the terminal device stops sending the remaining copies.

[0197] Optionally, if the first listening window times out and / or the terminal device does not receive a contention resolution identifier that matches the terminal device, then the contention resolution is confirmed to have failed.

[0198] Through the technical solution of this embodiment, the terminal device responds to the failure of sending the first message by performing the first processing, which optimizes the processing mechanism of CB-Msg3 in the NTN scenario, so as to reduce or avoid the terminal device from continuously failing to send due to conflicts and thus improve the coverage level.

[0199] Second Embodiment

[0200] Based on the first embodiment of this application, a second embodiment of this application is proposed, which mainly describes the handling method after the first message fails to be sent.

[0201] This embodiment of the technical solution addresses the transmission of CB-Msg3 in NTN scenarios. In response to the failure of sending the first message, the terminal device performs the first processing, thus optimizing the processing mechanism of CB-Msg3 in NTN scenarios to reduce or avoid improving the coverage level when the terminal device fails to send consecutively due to conflicts.

[0202] Optionally, the terminal device performs the first processing in response to the failure to send the first message.

[0203] Optionally, when the contention for resolving all copies of the first message fails, the terminal device acknowledges that the first message transmission has failed.

[0204] Optionally, the failure of the terminal device to send the first message includes failure due to a first reason and / or failure due to a second reason.

[0205] Optionally, the failure to copy and send the first message on the terminal device may include failure due to a first reason and / or failure due to a second reason.

[0206] Optionally, the reason for the failure of the first message transmission by the terminal device is determined based on the distribution of all copy transmission failure reasons in the first message transmission.

[0207] Optionally, if all copies of the first message fail due to the first reason or the number of failures due to the first reason is greater than or equal to the number of failures due to the second reason, the terminal device confirms that the failure of the first message transmission is due to the first reason.

[0208] Optionally, if all copies of the first message fail due to the second reason or the number of failures due to the second reason is greater than or equal to the number of failures due to the first reason, the terminal device confirms that the failure of the first message transmission is due to the second reason.

[0209] like Figure 6 As shown, taking the sending of contention-based message 3 (CB-Msg3) as an example, the number of times contention-based message 3 is copied and sent is 3, that is, one transmission of contention-based message 3 includes three copies of contention-based message 3. In the first transmission, two copies fail to be sent because of the first reason failure (e.g., Figure 6 (As shown in the darker information block), one copy-send failure is due to the second reason for failure (e.g.) Figure 6 (As shown in the light-colored information block), if the number of failures due to the first reason is greater than the number of failures due to the second reason in all copies sent in the first transmission, then the terminal device confirms that the first message transmission failure is due to the first reason.

[0210] Similarly, in the second single transmission, two copy transmission failures are due to the primary reason for failure (e.g. Figure 6 (As shown in the darker information block), there is one reason for copy sending failure: second reason failure (e.g.) Figure 6 (As shown in the light-colored information block), if the number of failures due to the first reason is greater than the number of failures due to the second reason in all copies sent in the second transmission, then the terminal device confirms that the failure of this first message transmission is due to the first reason.

[0211] Similarly, in the third single transmission, one copy transmission failure is the primary cause of failure (e.g. Figure 6 (As shown in the darker information block), there are two reasons for copy sending failure: failure due to the second reason (e.g.) Figure 6 (As shown in the light-colored information block), that is, in the third single transmission, if the number of failures due to the first reason is less than the number of failures due to the second reason, then the terminal device confirms that the failure of the first message transmission is due to the second reason.

[0212] Optionally, such as Figure 6 As shown, among all the transmissions of message 3 based on contention, there are 2 failures due to the first reason and 1 failure due to the second reason. That is, the number of failures due to the first reason is greater than the number of failures due to the second reason. Therefore, the terminal device confirms that the reason for the failure of transmitting message 3 based on contention is the failure due to the first reason.

[0213] Optionally, the first-reason failure is a failure caused by a covered reason.

[0214] Optionally, the second cause of failure is a failure caused by a conflict.

[0215] Optionally, in the scenario where the first message fails to be sent, the logic for analyzing the reason for the failure can refer to... Figure 7 As shown.

[0216] Optionally, if the terminal device does not receive the physical downlink control channel scrambled with the wireless network temporary identifier and / or the received power of the reference signal is near the coverage level threshold, the terminal device is recorded as failing for the first reason.

[0217] Optionally, when a network device detects a very low Signal Strength Indicator (RSSI) on a corresponding resource, it can be assumed that no terminal device is sending data on the corresponding resource. Therefore, it will not send a Physical Downlink Control Channel scrambled with a Radio Network Temporary Identifier. If a terminal device sends data on the corresponding resource but does not receive a Physical Downlink Control Channel scrambled with a Radio Network Temporary Identifier, it can be assumed that the problem is due to coverage issues.

[0218] Optionally, the network device is configured with a reference signal received power offset. When the measured reference signal received power is within the coverage level threshold offset, the reference signal received power can be considered to be near the coverage level threshold.

[0219] Optionally, if the terminal device receives a physical downlink control channel scrambled with a temporary identifier for the wireless network but fails to resolve the contention and / or the corresponding response message indicates a conflict, the terminal device records this as a second-cause failure.

[0220] Optionally, if a terminal device receives a physical downlink control channel scrambled with a temporary identifier for the wireless network, but fails to resolve the contention, it indicates that other terminal devices are sending data on the corresponding resource, which can be considered as a conflict with other terminal devices.

[0221] Optionally, if the terminal device receives a physical downlink control channel scrambled with a temporary identifier of the wireless network, but the physical downlink control channel indicates a conflict, the terminal device records the failure as a second cause.

[0222] Optionally, network devices can determine whether a conflict exists based on the received Signal Strength Indication (RSSI). For example, if the corresponding physical uplink shared channel resolution fails but the RSSI is high, it can be considered that the terminal device is sending data on that resource and causing a conflict. Therefore, the conflict can be indicated by the physical downlink control channel.

[0223] Optionally, after confirming that the first message transmission failed, the terminal device performs the first processing, that is, performs the corresponding processing based on the maximum number of transmission attempts X of the coverage level, such as continuing to try to send the first message at the current coverage level, or determining the main reason for the failure of this first message transmission (such as coverage reasons or conflict reasons), and performing different processing according to different failure reasons. This optimizes the processing mechanism of CB-Msg3 in the NTN scenario, so as to reduce or avoid the terminal device from increasing the coverage level when it fails to send continuously due to conflict reasons.

[0224] Optionally, in the scenario where the first message transmission fails, the terminal device performs a first process, including at least one of the following:

[0225] If the number of attempts to send the first message is less than the maximum number of attempts X for the current coverage level, then continue to attempt to send the first message at the current coverage level;

[0226] If the number of first message sending attempts is greater than or equal to the maximum number of sending attempts X for the current coverage level, then the second processing step is executed.

[0227] Optionally, a second process is performed, including at least one of the following:

[0228] If all (copy) transmissions of the first message fail due to the first reason or the number of failures due to the first reason is greater than or equal to the number of failures due to the second reason, the terminal device upgrades the current coverage level and continues to attempt to send the first message; alternatively, if the current coverage level is already the highest, the terminal device uses a random access procedure (indicating that the transmission failure is mainly due to coverage reasons).

[0229] If all (copy) transmissions of the first message fail due to a second reason, or if the number of second-reason failures is greater than or equal to the number of first-reason failures, the terminal device continues to attempt to send the first message at the current coverage level (indicating that the transmission failure was primarily due to a conflict).

[0230] Optionally, the terminal device selects a threshold based on the coverage level to determine its coverage level.

[0231] Optionally, the first message is sent based on the first configuration information.

[0232] Optionally, the first configuration information is provided by the network device.

[0233] Optionally, the network device sends first configuration information, the terminal device receives the first configuration information, and sends a first message based on the first configuration information.

[0234] Optionally, the first configuration information includes at least one of the following: first message time domain and / or frequency domain resource configuration, number of copy transmissions N, number of repetitions M, reference signal received power coverage level selection threshold, maximum number of transmission attempts for coverage level X, first time window configuration information, and first listening window.

[0235] Optionally, the first message's time-domain and / or frequency-domain resource configuration represents the time-domain location and / or period, and the frequency-domain resource configuration, which is optionally provided based on the coverage level.

[0236] Optionally, the number of replicas N represents the number of times the first message is replicated and sent, and its value range can be {1,2,3,4}. Optionally, the number of replicas N is provided based on the coverage level.

[0237] Optionally, the repetition number M represents the number of times the first message is copied and sent. Optionally, the repetition number M is provided based on the coverage level.

[0238] Optionally, a reference signal received power coverage level selection threshold is provided for the terminal equipment to select a coverage level based on the reference signal received power (RSRP).

[0239] Optionally, the maximum number of transmission attempts X for the coverage level represents the maximum number of attempts to send the first message at that coverage level. Optionally, the maximum number of transmission attempts X for the coverage level is provided based on the coverage level.

[0240] Optionally, the first time window configuration information is used by the terminal device to (randomly) select N times within the first time window to send N copies of the first message. Optionally, the first time window configuration information is provided based on the coverage level.

[0241] Optionally, the terminal device may use the next available first message resource occcasion as the starting point of the first time window.

[0242] Optionally, the terminal device takes the first copy of the first message as the starting point of the first time window.

[0243] Optionally, the first-time window configuration information includes at least one of the following: window length L, window period, window start position, window adjustment step size delta, maximum number of window adjustments Y, and maximum transport block size.

[0244] Optionally, the window length L or window period can be the number of first message resource opportunities, such as X first message resource opportunities as one window length or period (i.e., X consecutive time domain positions of the first messages as one window length or period).

[0245] Optionally, the window adjustment step size unit can be the number of first message resource opportunities or the length or period of the first window.

[0246] Optionally, the maximum number of window adjustments, Y, represents the maximum number of times the window can be adjusted.

[0247] Optionally, the first listening window is used to listen for the network device's response after the terminal device sends the first message (copy). Optionally, the first listening window can be a timer, such as a contention resolution timer. Optionally, the length of the first listening window is provided based on the coverage level.

[0248] Optionally, the maximum transport block size (TBS) indicates the maximum transport block size that can trigger the first message.

[0249] Optionally, at least one of the first configuration information is per CE level, that is, at least one of the first configuration information is provided according to the coverage level.

[0250] Optionally, the terminal device determines whether to use the first message and / or CE level based on the Reference Signal Received Power (RSRP) selection threshold. For example, when the Reference Signal Received Power (RSRP) is lower than a certain threshold, CB-Msg3 is not used, and the Random Access (RACH) procedure is used instead.

[0251] Optionally, the terminal device determines whether to use the first message and / or determine the CElevel based on different RSRP thresholds.

[0252] Optionally, the first message can be CB-Msg3 (contention-based message 3).

[0253] Optionally, message 3 can be either an RRC Early Data Request or an RRC Connection Resume Request message.

[0254] Optionally, the first message includes location information and / or RNTI for sending a copy of the first message (partial or complete).

[0255] Optionally, the terminal device receives the first configuration information and sends the first message when at least one of the following conditions is met:

[0256] The upper layer requests the establishment or restoration of an RRC connection;

[0257] The terminal equipment has effective timing advance or can use pre-compensated timing advance;

[0258] Uplink data does not exceed the transport block size; for example, the transmitted MAC PDU does not exceed the transport block size.

[0259] The reference signal received power meets the corresponding reference signal received power selection threshold.

[0260] Optionally, the terminal device may select N times within the (next) first time window to send N copies of the first message.

[0261] Optionally, the terminal device starts the first listening window after sending the first message (copy).

[0262] Optionally, the terminal device listens to the Physical Downlink Control Channel (PDCCH) scrambled with Radio Network Temporary Identifier (RNTI) within the first listening window.

[0263] Optionally, if the terminal device detects a physical downlink control channel scrambled with a temporary wireless network identifier within the first listening window and receives a response message corresponding to the first message, and the response information carries a contention resolution identifier matching the terminal device, then the terminal device stops the first listening window, confirms successful contention resolution, and considers the first message to have been successfully sent.

[0264] Optionally, if there are any remaining copies that have not been sent when the first message is successfully sent, the terminal device stops sending the remaining copies.

[0265] Optionally, if the first listening window times out and / or the terminal device does not receive a contention resolution identifier that matches the terminal device, then the contention resolution is confirmed to have failed.

[0266] Through the technical solution of this embodiment, the terminal device responds to the failure of sending the first message by performing the first processing, which optimizes the processing mechanism of CB-Msg3 in the NTN scenario, so as to reduce or avoid the terminal device from continuously failing to send due to conflicts and thus improve the coverage level.

[0267] Third Embodiment

[0268] Based on any of the above embodiments of this application, a third embodiment of this application is proposed, which mainly describes the handling method after the first message fails to be sent.

[0269] This embodiment of the technical solution addresses the transmission of CB-Msg3 in NTN scenarios. In response to the failure of sending the first message, the terminal device performs the first processing, thus optimizing the processing mechanism of CB-Msg3 in NTN scenarios to reduce or avoid improving the coverage level when the terminal device fails to send consecutively due to conflicts.

[0270] Optionally, the terminal device performs the first processing in response to the failure to send the first message.

[0271] Optionally, when the contention for resolving all copies of the first message fails, the terminal device acknowledges that the first message transmission has failed.

[0272] Optionally, after the terminal device confirms that the first message has failed to be sent, it performs corresponding processing based on the maximum number of sending attempts X for the coverage level. This may include continuing to attempt to send the first message at the current coverage level, or determining the main reason for the failure of this first message (such as coverage reasons or conflict reasons) and performing different processing according to different failure reasons. This optimizes the processing mechanism of CB-Msg3 in the NTN scenario, so as to reduce or avoid the terminal device from increasing the coverage level when it fails to send continuously due to conflict reasons.

[0273] Optionally, the failure of the terminal device to send the first message includes failure due to a first reason and / or failure due to a second reason.

[0274] Optionally, the failure to copy and send the first message on the terminal device may include failure due to a first reason and / or failure due to a second reason.

[0275] Optionally, the reason for the failure of the first message transmission by the terminal device is determined based on the distribution of all copy transmission failure reasons in the first message transmission.

[0276] Optionally, if all copies of the first message fail due to the first reason or the number of failures due to the first reason is greater than or equal to the number of failures due to the second reason, the terminal device confirms that the failure of the first message transmission is due to the first reason.

[0277] Optionally, if all copies of the first message fail due to the second reason or the number of failures due to the second reason is greater than or equal to the number of failures due to the first reason, the terminal device confirms that the failure of the first message transmission is due to the second reason.

[0278] Optionally, the first-reason failure is a failure caused by a covered reason.

[0279] Optionally, the second cause of failure is a failure caused by a conflict.

[0280] Optionally, in the scenario where the first message transmission fails, the process by which the terminal device performs different processing based on different failure reasons can be referred to... Figure 8 As shown.

[0281] Optionally, after the first message fails to be sent, if the number of times the terminal device attempts to send the first message is less than the maximum number of sending attempts X for the current coverage level, the terminal device continues to attempt to send the first message at the current coverage level.

[0282] Optionally, after the first message fails to be sent, if the number of first message sending attempts by the terminal device is greater than or equal to the maximum number of sending attempts X for the current coverage level, the terminal device performs the second processing.

[0283] Optionally, the terminal device performs a second process, including at least one of the following:

[0284] If all (copy) transmissions of the first message fail due to the first reason or the number of failures due to the first reason is greater than or equal to the number of failures due to the second reason, the terminal device upgrades the current coverage level and continues to attempt to send the first message; alternatively, if the current coverage level is already the highest, the terminal device uses a random access procedure (indicating that the transmission failure is mainly due to coverage reasons).

[0285] If all (copy) transmissions of the first message fail due to a second reason, or if the number of second-reason failures is greater than or equal to the number of first-reason failures, the terminal device continues to attempt to send the first message at the current coverage level (indicating that the transmission failure was primarily due to a conflict).

[0286] Optionally, the terminal device continues to attempt to send the first message at the current coverage level, including at least one of the following:

[0287] After adjusting the first time window, continue attempting to send the first message;

[0288] After adjusting the number of copy and send attempts, try sending the first message again.

[0289] Continue attempting to send the first message using the random access procedure.

[0290] Optionally, when the number of times the first message is sent reaches the maximum number of sending attempts X and / or when all (copy) sending of the first message fails due to the second reason or the number of failures due to the second reason is greater than or equal to the number of failures due to the first reason, the terminal device adjusts the first time window and continues to try to send the first message.

[0291] Optionally, the terminal device adjusts the length of the first window according to the window adjustment step size.

[0292] Optionally, after adjusting the length of the first window, the terminal device may select N opportunities within the newly adjusted first time window to send N copies of the first message.

[0293] Optionally, if there are any remaining copies that have not been sent when the first message is successfully sent, the terminal device stops sending the remaining copies.

[0294] Optionally, when the number of times the terminal device adjusts the first time window exceeds the maximum number of times the window is adjusted (Y), the terminal device uses a random access procedure.

[0295] Optionally, when the number of times the terminal device adjusts the window in the first time is less than or equal to the maximum number of times the window is adjusted (Y), the terminal device sends the first message using the adjusted window length.

[0296] Optionally, when the number of times the first message is sent reaches the maximum number of sending attempts X and / or when all (copy) sending of the first message fails due to the second reason or the number of failures due to the second reason is greater than or equal to the number of failures due to the first reason, the terminal device reduces the number of copy sending attempts N and continues to try to send the first message.

[0297] Optionally, when the terminal device's current number of copy transmissions is the first value, the terminal device uses a random access procedure.

[0298] Optionally, if the current number of copy-sends on the terminal device is not the first value, the terminal device may send the first message using the reduced or adjusted number of copy-sends.

[0299] Optionally, if there are any remaining copies that have not been sent when the first message is successfully sent, the terminal device stops sending the remaining copies.

[0300] Optionally, when the number of times the first message is sent reaches the maximum number of sending attempts X and / or when all (copy) sending of the first message fails due to the second reason or the number of failures due to the second reason is greater than or equal to the number of failures due to the first reason, the terminal device adjusts the number of copy sending attempts to the first value.

[0301] Optionally, the first value is 1.

[0302] Optionally, when the first message is copied and sent 1 time, the terminal device stops using the first message, that is, it uses the random access procedure.

[0303] Optionally, when the current first message copying and sending count is greater than 1, the terminal device reduces the first message copying and sending count N to 1 and continues to attempt to send the first message.

[0304] Optionally, when the number of times the first message is sent reaches the maximum number of sending attempts X and / or when all (copy) transmissions of the first message fail due to the second reason or the number of failures due to the second reason is greater than or equal to the number of failures due to the first reason, the terminal device stops using the first message and directly uses the random access procedure.

[0305] Therefore, when the number of times the first message is sent reaches the maximum number of sending attempts X and / or when all (copy) transmissions of the first message fail due to the second reason or the number of failures due to the second reason is greater than or equal to the number of failures due to the first reason, the terminal device adjusts at least one of the following to continue attempting to send the first message: adjusts the first time window, adjusts the number of copy transmissions, adjusts the number of copy transmissions to the first value, or stops using the first message and directly uses the random access procedure. This optimizes the DSA processing mechanism, avoids or reduces the negative gains caused by using DSA when the network load is high, or optimizes DSA-related configurations, and supports improved system performance.

[0306] Optionally, as mentioned above, the first-reason failure is a failure caused by a covering cause, and the second-reason failure is a failure caused by a conflicting cause.

[0307] Optionally, the terminal device can determine whether the transmission failure is due to a first-cause failure or a second-cause failure by employing at least one of the following technical solutions:

[0308] Optionally, if the terminal device does not receive the physical downlink control channel scrambled with the wireless network temporary identifier and / or the received power of the reference signal is near the coverage level threshold, the terminal device is recorded as failing for the first reason.

[0309] Optionally, when a network device detects a very low Signal Strength Indicator (RSSI) on the corresponding resource, it can be assumed that no terminal device is sending data on the corresponding resource. Therefore, it will not send a Physical Downlink Control Channel scrambled with a Radio Network Temporary Identifier. If a terminal device sends data on the corresponding resource but does not receive a Physical Downlink Control Channel scrambled with a Radio Network Temporary Identifier, it can be assumed that the problem is due to coverage issues.

[0310] Optionally, the network device is configured with a reference signal received power offset. When the measured reference signal received power is within the coverage level threshold offset, the reference signal received power can be considered to be near the coverage level threshold.

[0311] Optionally, if the terminal device receives a physical downlink control channel scrambled with a temporary identifier for the wireless network but fails to resolve the contention and / or the corresponding response message indicates a conflict, the terminal device records this as a second-cause failure.

[0312] Optionally, if a terminal device receives a physical downlink control channel scrambled with a temporary identifier for the wireless network, but fails to resolve the contention, it indicates that other terminal devices are sending data on the corresponding resource, which can be considered as a conflict with other terminal devices.

[0313] Optionally, if the terminal device receives a physical downlink control channel scrambled with a temporary identifier of the wireless network, but the physical downlink control channel indicates a conflict, the terminal device records the failure as a second cause.

[0314] Optionally, network devices can determine whether a conflict exists based on the received Signal Strength Indication (RSSI). For example, if the corresponding physical uplink shared channel resolution fails but the RSSI is high, it can be considered that the terminal device is sending a conflict on that resource, and therefore the conflict can be indicated by the physical downlink control channel.

[0315] Optionally, the first configuration information includes at least one of the following: first message time domain and / or frequency domain resource configuration, number of copy transmissions N, number of repetitions M, reference signal received power coverage level selection threshold, maximum number of transmission attempts for coverage level X, first time window configuration information, and first listening window.

[0316] Optionally, the maximum number of transmission attempts X for the coverage level represents the maximum number of attempts to send the first message at that coverage level.

[0317] Optionally, the terminal device selects a threshold based on the coverage level to determine its coverage level.

[0318] Optionally, the terminal device may select N times within the (next) first time window to send N copies of the first message.

[0319] Optionally, the terminal device starts the first listening window after sending the first message (copy).

[0320] Optionally, the terminal device listens to the Physical Downlink Control Channel (PDCCH) scrambled with Radio Network Temporary Identifier (RNTI) within the first listening window.

[0321] Optionally, if the terminal device detects a physical downlink control channel scrambled with a temporary wireless network identifier within the first listening window and receives a response message corresponding to the first message, and the response information carries a contention resolution identifier matching the terminal device, then the terminal device stops the first listening window, confirms successful contention resolution, and considers the first message to have been successfully sent.

[0322] Optionally, if there are any remaining copies that have not been sent when the first message is successfully sent, the terminal device stops sending the remaining copies.

[0323] Optionally, if the first listening window times out and / or the terminal device does not receive a contention resolution identifier that matches the terminal device, then the contention resolution is confirmed to have failed.

[0324] Through the technical solution of this embodiment, the terminal device responds to the failure of sending the first message by performing the first processing, which optimizes the processing mechanism of CB-Msg3 in the NTN scenario, so as to reduce or avoid the terminal device from continuously failing to send due to conflicts and thus improve the coverage level.

[0325] Fourth embodiment

[0326] Reference Figure 9 , Figure 9 This is a flowchart illustrating the processing method of the fourth embodiment of this application. The processing method of this embodiment can be applied to network devices (such as base stations) and includes the following steps:

[0327] S2: The network device sends first configuration information so that the terminal device responds to the failure of the first message to send and performs the first processing.

[0328] The technical solution of this embodiment optimizes the processing mechanism of CB-Msg3 in NTN scenarios to reduce or avoid improving the coverage level when the terminal device fails to send continuously due to conflicts.

[0329] Optionally, the first message is sent based on the first configuration information.

[0330] Optionally, the first configuration information is provided by the network device.

[0331] Alternatively, network equipment may be base stations, etc.

[0332] Optionally, the network device sends first configuration information, the terminal device receives the first configuration information, and sends a first message based on the first configuration information.

[0333] Optionally, the terminal device performs the first processing in response to the failure to send the first message.

[0334] Optionally, when the contention for resolving all copies of the first message fails, the terminal device acknowledges that the first message transmission has failed.

[0335] Optionally, the failure of the terminal device to send the first message includes failure due to a first reason and / or failure due to a second reason.

[0336] Optionally, the failure to copy and send the first message on the terminal device may include failure due to a first reason and / or failure due to a second reason.

[0337] Optionally, the reason for the failure of the first message transmission by the terminal device is determined based on the distribution of all copy transmission failure reasons in the first message transmission.

[0338] Optionally, if all copies of the first message sent by the terminal device fail due to the first reason or the number of failures due to the first reason is greater than or equal to the number of failures due to the second reason, then the terminal device confirms that the failure of the first message sending is due to the first reason.

[0339] Optionally, if all copies of the first message sent by the terminal device fail due to the second reason or the number of failures due to the second reason is greater than or equal to the number of failures due to the first reason, then the terminal device confirms that the failure of the first message sending is due to the second reason.

[0340] like Figure 6 As shown, taking the terminal device sending a contention-based message 3 (CB-Msg3) as an example, the contention-based message 3 is copied and sent 3 times, that is, one transmission of the contention-based message 3 includes three copies of the contention-based message 3. In the first transmission, two copies fail to be sent because of the first reason failure. Figure 6 (As shown in the darker information block), there is one reason for copy sending failure: second reason failure (as shown in the darker information block). Figure 6 (As shown in the light-colored information block), that is, in the first transmission of all copies, if the number of failures due to the first reason is greater than the number of failures due to the second reason, then the terminal device confirms that the first message transmission failure is due to the first reason.

[0341] Similarly, in the second transmission by the terminal device, there were two reasons for the failure of the copy transmission: the first reason failed. Figure 6 (As shown in the darker information block), there is one reason for copy sending failure: second reason failure (as shown in the darker information block). Figure 6 (As shown in the light-colored information block), that is, in the second transmission of all copies, if the number of failures due to the first reason is greater than the number of failures due to the second reason, then the terminal device confirms that the first message transmission failure is due to the first reason.

[0342] Similarly, in the third transmission by the terminal device, one copy transmission failed due to the first reason being a failure (…). Figure 6 (As shown in the darker information block), there are 2 reasons for copy sending failure: failure due to the second reason (…). Figure 6 (As shown in the light-colored information block), that is, in the third single transmission, if the number of failures due to the first reason is less than the number of failures due to the second reason, then the terminal device confirms that the failure of the first message transmission is due to the second reason.

[0343] Optionally, such as Figure 6 As shown, among all the messages 3 sent by the terminal device based on contention, there were 2 failures due to the first reason and 1 failure due to the second reason. That is, the number of failures due to the first reason is greater than the number of failures due to the second reason. Therefore, the terminal device confirms that the reason for the failure to send messages 3 based on contention is the failure due to the first reason.

[0344] Optionally, the first-reason failure is a failure caused by a covered reason.

[0345] Optionally, the second cause of failure is a failure caused by a conflict.

[0346] Optionally, in the scenario where the first message fails to be sent, the logic for analyzing the reason for the failure can refer to... Figure 7 As shown.

[0347] Optionally, if the terminal device does not receive the physical downlink control channel scrambled with the wireless network temporary identifier and / or the received power of the reference signal is near the coverage level threshold, the terminal device is recorded as failing for the first reason.

[0348] Optionally, when a network device detects a very low Signal Strength Indicator (RSSI) on the corresponding resource, it can be assumed that no terminal device is sending data on the corresponding resource. Therefore, it will not send a Physical Downlink Control Channel scrambled with a Radio Network Temporary Identifier. If a terminal device sends data on the corresponding resource but does not receive a Physical Downlink Control Channel scrambled with a Radio Network Temporary Identifier, it can be assumed that the problem is due to coverage issues.

[0349] Optionally, the network device is configured with a reference signal received power offset. When the measured reference signal received power is within the coverage level threshold offset, the reference signal received power can be considered to be near the coverage level threshold.

[0350] Optionally, if the terminal device receives a physical downlink control channel scrambled with a temporary identifier for the wireless network but fails to resolve the contention and / or the corresponding response message indicates a conflict, the terminal device records this as a second-cause failure.

[0351] Optionally, if a terminal device receives a physical downlink control channel scrambled with a temporary identifier for the wireless network, but fails to resolve the contention, it indicates that other terminal devices are sending data on the corresponding resource, which can be considered as a conflict with other terminal devices.

[0352] Optionally, if the terminal device receives a physical downlink control channel scrambled with a temporary identifier of the wireless network, but the physical downlink control channel indicates a conflict, the terminal device records the failure as a second cause.

[0353] Optionally, network devices can determine whether a conflict exists based on the received Signal Strength Indication (RSSI). For example, if the corresponding physical uplink shared channel resolution fails but the RSSI is high, it can be considered that the terminal device is sending a conflict on that resource, and therefore the conflict can be indicated by the physical downlink control channel.

[0354] Optionally, after the terminal device confirms that the first message has failed to be sent, it performs corresponding processing based on the maximum number of sending attempts X for the coverage level. This may include continuing to attempt to send the first message at the current coverage level, or determining the main reason for the failure of this first message (such as coverage reasons or conflict reasons) and performing different processing according to different failure reasons. This optimizes the processing mechanism of CB-Msg3 in the NTN scenario, so as to reduce or avoid the terminal device from increasing the coverage level when it fails to send continuously due to conflict reasons.

[0355] Optionally, in the scenario where the first message transmission fails, the process by which the terminal device performs different processing based on different failure reasons can be referred to... Figure 8 As shown.

[0356] Optionally, if the terminal device fails to send the first message, and the number of times the terminal device attempts to send the first message is less than the maximum number of times it can send the message at the current coverage level (X), then the terminal device continues to attempt to send the first message at the current coverage level.

[0357] Optionally, if the number of times the terminal device attempts to send the first message fails is greater than or equal to the maximum number of sending attempts X for the current coverage level, the terminal device performs the second processing.

[0358] Optionally, the terminal device performs a second process, including at least one of the following:

[0359] If all (copied) transmissions of the first message by the terminal device fail due to the first reason, or if the number of failures due to the first reason is greater than or equal to the number of failures due to the second reason, the terminal device upgrades the current coverage level and continues to attempt to send the first message. Optionally, if the current coverage level is already the highest, the terminal device uses a random access procedure (indicating that the transmission failure is mainly due to coverage issues).

[0360] If all (copied) transmissions of the first message by the terminal device fail due to the second reason, or if the number of second-reason failures is greater than or equal to the number of first-reason failures, the terminal device will continue to attempt to send the first message at the current coverage level (indicating that the transmission failure was mainly due to a conflict).

[0361] Optionally, the terminal device selects a threshold based on the coverage level to determine its coverage level.

[0362] Optionally, the terminal device continues to attempt to send the first message at the current coverage level, including at least one of the following:

[0363] After adjusting the first time window, the terminal device will continue to attempt to send the first message;

[0364] After adjusting the number of copy and send attempts, the terminal device continues to try sending the first message.

[0365] The terminal device continues to attempt to send the first message using a random access procedure.

[0366] Optionally, when the number of times the first message is sent reaches the maximum number of sending attempts X and / or when all (copy) sending of the first message fails due to the second reason or the number of failures due to the second reason is greater than or equal to the number of failures due to the first reason, the terminal device adjusts the first time window and continues to try to send the first message.

[0367] Optionally, the terminal device adjusts the length of the first window according to the window adjustment step size.

[0368] Optionally, after adjusting the length of the first window, the terminal device may select N opportunities within the newly adjusted first time window to send N copies of the first message.

[0369] Optionally, if there are still copies left to be sent when the terminal device successfully sends the first message, the terminal device may stop sending the remaining copies.

[0370] Optionally, when the number of times the terminal device adjusts the first time window exceeds the maximum number of times the window is adjusted (Y), the terminal device uses a random access procedure.

[0371] Optionally, when the number of times the terminal device adjusts the window in the first time is less than or equal to the maximum number of times the window is adjusted (Y), the terminal device sends the first message using the adjusted window length.

[0372] Optionally, when the terminal device sends the first message and reaches the maximum number of sending attempts X and / or when all (copy) sending of the first message fails due to the second reason or the number of failures due to the second reason is greater than or equal to the number of failures due to the first reason, the terminal device reduces the number of copy sending attempts N and continues to try to send the first message.

[0373] Optionally, when the terminal device's current number of copy transmissions is the first value, the terminal device uses a random access procedure.

[0374] Optionally, if the current number of copy-sends on the terminal device is not the first value, the terminal device may send the first message using the reduced or adjusted number of copy-sends.

[0375] Optionally, if there are still copies left to be sent when the terminal device successfully sends the first message, the terminal device shall stop sending the remaining copies.

[0376] Optionally, when the terminal device sends the first message and reaches the maximum number of sending attempts X and / or when all (copy) sending of the first message fails due to the second reason or the number of failures due to the second reason is greater than or equal to the number of failures due to the first reason, the terminal device adjusts the number of copy sending attempts to the first value.

[0377] Optionally, the first value is 1.

[0378] Optionally, when the terminal device has copied and sent the first message once, the terminal device stops using the first message, i.e., it uses the random access procedure.

[0379] Optionally, when the terminal device has copied and sent the first message more than once, the terminal device reduces the number of times it has copied and sent the first message N to 1 and continues to try to send the first message.

[0380] Optionally, when the terminal device sends the first message the maximum number of times it can attempt to send it (X), the terminal device stops using the first message and directly uses the random access procedure.

[0381] Therefore, when the terminal device sends the first message up to the maximum number of sending attempts X and / or when all (copy) transmissions of the first message fail due to the second reason or the number of failures due to the second reason is greater than or equal to the number of failures due to the first reason, the terminal device adjusts the first time window, adjusts the number of copy transmissions, adjusts the number of copy transmissions to the first value, or stops using the first message and directly uses the random access procedure to continue trying to send the first message. This optimizes the DSA processing mechanism, avoids or reduces the negative gain brought by using DSA when the network load is high, or optimizes the DSA-related configuration, and supports the improvement of system performance.

[0382] Optionally, the first configuration information includes at least one of the following: first message time domain and / or frequency domain resource configuration, number of copy transmissions N, number of repetitions M, reference signal received power coverage level selection threshold, maximum number of transmission attempts for coverage level X, first time window configuration information, and first listening window.

[0383] Optionally, the first message's time-domain and / or frequency-domain resource configuration represents the time-domain location and / or period, and the frequency-domain resource configuration, which is optionally provided based on the coverage level.

[0384] Optionally, the number of replicas N represents the number of times the first message is replicated and sent, and its value range can be {1,2,3,4}. Optionally, the number of replicas N is provided based on the coverage level.

[0385] Optionally, the repetition number M represents the number of times the first message is copied and sent. Optionally, the repetition number M is provided based on the coverage level.

[0386] Optionally, a reference signal received power coverage level selection threshold is provided for the terminal equipment to select a coverage level based on the reference signal received power (RSRP).

[0387] Optionally, the maximum number of transmission attempts X for the coverage level represents the maximum number of attempts to send the first message at that coverage level. Optionally, the maximum number of transmission attempts X for the coverage level is provided based on the coverage level.

[0388] Optionally, the first time window configuration information is used by the terminal device to (randomly) select N times within the first time window to send N copies of the first message. Optionally, the first time window configuration information is provided based on the coverage level.

[0389] Optionally, the terminal device may use the next available first message resource occcasion as the starting point of the first time window.

[0390] Optionally, the terminal device takes the first copy of the first message as the starting point of the first time window.

[0391] Optionally, the first-time window configuration information includes at least one of the following: window length L, window period, window start position, window adjustment step size delta, maximum number of window adjustments Y, and maximum transport block size.

[0392] Optionally, the window length L or window period can be the number of first message resource opportunities, such as X first message resource opportunities as one window length or period (i.e., X consecutive time domain positions of the first messages as one window length or period).

[0393] Optionally, the window adjustment step size unit can be the number of first message resource opportunities or the length or period of the first window.

[0394] Optionally, the maximum number of window adjustments, Y, represents the maximum number of times the window can be adjusted.

[0395] Optionally, the first listening window is used to listen for the network device's response after the terminal device sends the first message (copy). Optionally, the first listening window can be a timer, such as a contention resolution timer. Optionally, the length of the first listening window is provided based on the coverage level.

[0396] Optionally, the maximum transport block size (TBS) indicates the maximum transport block size that can trigger the first message.

[0397] Optionally, at least one of the first configuration information is per CE level, that is, at least one of the first configuration information is provided according to the coverage level.

[0398] Optionally, the terminal device determines whether to use the first message and / or CE level based on the Reference Signal Received Power (RSRP) selection threshold. For example, when the Reference Signal Received Power (RSRP) is lower than a certain threshold, CB-Msg3 is not used, and the Random Access (RACH) procedure is used instead.

[0399] Optionally, the terminal device determines whether to use the first message and / or determine the CElevel based on different RSRP thresholds.

[0400] Optionally, the first message can be CB-Msg3 (contention-based message 3).

[0401] Optionally, message 3 can be either an RRC Early Data Request or an RRC Connection Resume Request message.

[0402] Optionally, the first message includes location information and / or RNTI for sending a copy of the first message (partial or complete).

[0403] Optionally, the terminal device receives the first configuration information and sends the first message when at least one of the following conditions is met:

[0404] The terminal device requests the upper layer to establish or restore an RRC connection;

[0405] The terminal equipment has effective timing advance or can use pre-compensated timing advance;

[0406] The uplink data from the terminal device does not exceed the transport block size; for example, the transmitted MAC PDU does not exceed the transport block size.

[0407] The reference signal receiving power of the terminal equipment meets the corresponding reference signal receiving power selection threshold.

[0408] Optionally, the terminal device may select N times within the (next) first time window to send N copies of the first message.

[0409] Optionally, the terminal device starts the first listening window after sending the first message (copy).

[0410] Optionally, the terminal device listens to the Physical Downlink Control Channel (PDCCH) scrambled with Radio Network Temporary Identifier (RNTI) within the first listening window.

[0411] Optionally, if the terminal device detects a physical downlink control channel scrambled with a temporary wireless network identifier within the first listening window and receives a response message corresponding to the first message, and the response information carries a contention resolution identifier matching the terminal device, then the terminal device stops the first listening window, confirms successful contention resolution, and considers the first message to have been successfully sent.

[0412] Optionally, if there are still copies left to be sent when the terminal device successfully sends the first message, the terminal device may stop sending the remaining copies.

[0413] Optionally, if the terminal device's first listening window times out and / or the terminal device does not receive a contention resolution identifier that matches the terminal device, the terminal device confirms that the contention resolution has failed.

[0414] Through the technical solution of this embodiment, the network device sends first configuration information so that the terminal device responds to the failure of sending the first message and performs first processing, thereby optimizing the processing mechanism of CB-Msg3 in the NTN scenario, so as to reduce or avoid the terminal device from continuously failing to send due to conflicts and thus improving the coverage level.

[0415] Fifth embodiment

[0416] Reference Figure 10 , Figure 10 This application provides a processing method according to the fifth embodiment, which includes the following steps: (The fifth embodiment is a schematic diagram of the interaction process between a network device and a terminal device.)

[0417] S1: The network device sends first configuration information so that the terminal device responds to the failure of the first message transmission and performs the first processing;

[0418] S2: The terminal device responds to the failure to send the first message and performs the first processing.

[0419] This embodiment of the technical solution addresses the transmission of CB-Msg3 in NTN scenarios. In response to the failure of sending the first message, the terminal device performs the first processing, thus optimizing the processing mechanism of CB-Msg3 in NTN scenarios to reduce or avoid improving the coverage level when the terminal device fails to send consecutively due to conflicts.

[0420] Optionally, the first message is sent based on the first configuration information.

[0421] Optionally, the first configuration information is provided by the network device.

[0422] Alternatively, network equipment may be base stations, etc.

[0423] Optionally, the network device sends first configuration information, the terminal device receives the first configuration information, and sends a first message based on the first configuration information.

[0424] Optionally, the terminal device performs the first processing in response to the failure to send the first message.

[0425] Optionally, when the contention for resolving all copies of the first message fails, the terminal device acknowledges that the first message transmission has failed.

[0426] Optionally, the failure of the terminal device to send the first message includes failure due to a first reason and / or failure due to a second reason.

[0427] Optionally, the failure to copy and send the first message on the terminal device may include failure due to a first reason and / or failure due to a second reason.

[0428] Optionally, the reason for the failure of the first message transmission by the terminal device is determined based on the distribution of all copy transmission failure reasons in the first message transmission.

[0429] Optionally, if all copies of the first message sent by the terminal device fail due to the first reason or the number of failures due to the first reason is greater than or equal to the number of failures due to the second reason, then the terminal device confirms that the failure of the first message sending is due to the first reason.

[0430] Optionally, if all copies of the first message sent by the terminal device fail due to the second reason or the number of failures due to the second reason is greater than or equal to the number of failures due to the first reason, then the terminal device confirms that the failure of the first message sending is due to the second reason.

[0431] like Figure 6 As shown, taking the terminal device sending a contention-based message 3 (CB-Msg3) as an example, the contention-based message 3 is copied and sent 3 times, that is, one transmission of the contention-based message 3 includes three copies of the contention-based message 3. In the first transmission, two copies fail to be sent because of the first reason failure. Figure 6 (As shown in the darker information block), there is one reason for copy sending failure: second reason failure (as shown in the darker information block). Figure 6 (As shown in the light-colored information block), that is, in the first transmission of all copies, if the number of failures due to the first reason is greater than the number of failures due to the second reason, then the terminal device confirms that the first message transmission failure is due to the first reason.

[0432] Similarly, in the second transmission by the terminal device, there were two reasons for the failure of the copy transmission: the first reason failed. Figure 6 (As shown in the darker information block), there is one reason for copy sending failure: second reason failure (as shown in the darker information block). Figure 6 (As shown in the light-colored information block), that is, in the second transmission of all copies, if the number of failures due to the first reason is greater than the number of failures due to the second reason, then the terminal device confirms that the first message transmission failure is due to the first reason.

[0433] Similarly, in the third transmission by the terminal device, one copy transmission failed due to the first reason being a failure (…). Figure 6 (As shown in the darker information block), there are 2 reasons for copy sending failure: failure due to the second reason (…). Figure 6 (As shown in the light-colored information block), that is, in the third single transmission, if the number of failures due to the first reason is less than the number of failures due to the second reason, then the terminal device confirms that the failure of the first message transmission is due to the second reason.

[0434] Optionally, such as Figure 6 As shown, among all the messages 3 sent based on contention, there were 2 failures due to the first reason and 1 failure due to the second reason. That is, the number of failures due to the first reason is greater than the number of failures due to the second reason. Therefore, the terminal device confirms that the reason for the failure of sending messages 3 based on contention is the failure due to the first reason.

[0435] Optionally, the first-reason failure is a failure caused by a covered reason.

[0436] Optionally, the second cause of failure is a failure caused by a conflict.

[0437] Optionally, in the scenario where the first message fails to be sent, the logic for analyzing the reason for the failure can refer to... Figure 7 As shown.

[0438] Optionally, if the terminal device does not receive the physical downlink control channel scrambled with the wireless network temporary identifier and / or the received power of the reference signal is near the coverage level threshold, the terminal device is recorded as failing for the first reason.

[0439] Optionally, when a network device detects a very low Signal Strength Indicator (RSSI) on the corresponding resource, it can be assumed that no terminal device is sending data on the corresponding resource. Therefore, it will not send a Physical Downlink Control Channel scrambled with a Radio Network Temporary Identifier. If a terminal device sends data on the corresponding resource but does not receive a Physical Downlink Control Channel scrambled with a Radio Network Temporary Identifier, it can be assumed that the problem is due to coverage issues.

[0440] Optionally, the network device is configured with a reference signal received power offset. When the measured reference signal received power is within the coverage level threshold offset, the reference signal received power can be considered to be near the coverage level threshold.

[0441] Optionally, if the terminal device receives a physical downlink control channel scrambled with a temporary identifier for the wireless network but fails to resolve the contention and / or the corresponding response message indicates a conflict, the terminal device records this as a second-cause failure.

[0442] Optionally, if a terminal device receives a physical downlink control channel scrambled with a temporary identifier for the wireless network, but fails to resolve the contention, it indicates that other terminal devices are sending data on the corresponding resource, which can be considered as a conflict with other terminal devices.

[0443] Optionally, if the terminal device receives a physical downlink control channel scrambled with a temporary identifier of the wireless network, but the physical downlink control channel indicates a conflict, the terminal device records the failure as a second cause.

[0444] Optionally, network devices can determine whether a conflict exists based on the received Signal Strength Indication (RSSI). For example, if the corresponding physical uplink shared channel resolution fails but the RSSI is high, it can be considered that the terminal device is sending a conflict on that resource, and therefore the conflict can be indicated by the physical downlink control channel.

[0445] Optionally, after the terminal device confirms that the first message has failed to be sent, it performs corresponding processing based on the maximum number of sending attempts X for the coverage level. This may include continuing to attempt to send the first message at the current coverage level, or determining the main reason for the failure of this first message (such as coverage reasons or conflict reasons) and performing different processing according to different failure reasons. This optimizes the processing mechanism of CB-Msg3 in the NTN scenario, so as to reduce or avoid the terminal device from increasing the coverage level when it fails to send continuously due to conflict reasons.

[0446] Optionally, in the scenario where the first message transmission fails, the process by which the terminal device performs different processing based on different failure reasons can be referred to... Figure 8 As shown.

[0447] Optionally, if the terminal device fails to send the first message, and the number of times the terminal device attempts to send the first message is less than the maximum number of times it can send the message at the current coverage level (X), then the terminal device continues to attempt to send the first message at the current coverage level.

[0448] Optionally, if the number of times the terminal device attempts to send the first message fails is greater than or equal to the maximum number of sending attempts X for the current coverage level, the terminal device performs the second processing.

[0449] Optionally, the terminal device performs a second process, including at least one of the following:

[0450] If all (copied) transmissions of the first message by the terminal device fail due to the first reason, or if the number of failures due to the first reason is greater than or equal to the number of failures due to the second reason, the terminal device upgrades the current coverage level and continues to attempt to send the first message. Optionally, if the current coverage level is already the highest, the terminal device uses a random access procedure (indicating that the transmission failure is mainly due to coverage issues).

[0451] If all (copied) transmissions of the first message by the terminal device fail due to the second reason, or if the number of second-reason failures is greater than or equal to the number of first-reason failures, the terminal device will continue to attempt to send the first message at the current coverage level (indicating that the transmission failure was mainly due to a conflict).

[0452] Optionally, the terminal device continues to attempt to send the first message at the current coverage level, including at least one of the following:

[0453] After adjusting the first time window, the terminal device will continue to attempt to send the first message;

[0454] After adjusting the number of copy and send attempts, the terminal device continues to try sending the first message.

[0455] The terminal device continues to attempt to send the first message using a random access procedure.

[0456] Optionally, when the number of times the first message is sent reaches the maximum number of sending attempts X and / or when all (copy) sending of the first message fails due to the second reason or the number of failures due to the second reason is greater than or equal to the number of failures due to the first reason, the terminal device adjusts the first time window and continues to try to send the first message.

[0457] Optionally, the terminal device adjusts the length of the first window according to the window adjustment step size.

[0458] Optionally, after adjusting the length of the first window, the terminal device may select N opportunities within the newly adjusted first time window to send N copies of the first message.

[0459] Optionally, if there are still copies left to be sent when the terminal device successfully sends the first message, the terminal device may stop sending the remaining copies.

[0460] Optionally, when the number of times the terminal device adjusts the first time window exceeds the maximum number of times the window is adjusted (Y), the terminal device uses a random access procedure.

[0461] Optionally, when the number of times the terminal device adjusts the window in the first time is less than or equal to the maximum number of times the window is adjusted (Y), the terminal device sends the first message using the adjusted window length.

[0462] Optionally, when the number of times the first message is sent reaches the maximum number of sending attempts X and / or when all (copy) sending of the first message fails due to the second reason or the number of failures due to the second reason is greater than or equal to the number of failures due to the first reason, the terminal device reduces the number of copy sending attempts N and continues to try to send the first message.

[0463] Optionally, when the terminal device's current number of copy transmissions is the first value, the terminal device uses a random access procedure.

[0464] Optionally, if the current number of copy-sends on the terminal device is not the first value, the terminal device may send the first message using the reduced or adjusted number of copy-sends.

[0465] Optionally, if there are still copies left to be sent when the terminal device successfully sends the first message, the terminal device may stop sending the remaining copies.

[0466] Optionally, when the terminal device sends the first message and reaches the maximum number of sending attempts X and / or when all (copy) sending of the first message fails due to the second reason or the number of failures due to the second reason is greater than or equal to the number of failures due to the first reason, the terminal device adjusts the number of copy sending attempts to the first value.

[0467] Optionally, the first value is 1.

[0468] Optionally, when the terminal device has copied and sent the first message 1 times, the terminal device stops using the first message, that is, it uses the random access procedure.

[0469] Optionally, when the terminal device has copied and sent the first message more than once, the terminal device reduces the number of times it has copied and sent the first message N to 1 and continues to try to send the first message.

[0470] Optionally, when the terminal device sends the first message up to the maximum number of sending attempts X and / or when all (copy) transmissions of the first message fail due to the second reason or the number of failures due to the second reason is greater than or equal to the number of failures due to the first reason, the terminal device stops using the first message and directly uses the random access procedure.

[0471] Therefore, when the terminal device sends the first message up to the maximum number of sending attempts X and / or when all (copy) transmissions of the first message fail due to the second reason or the number of failures due to the second reason is greater than or equal to the number of failures due to the first reason, the terminal device adjusts the first time window, adjusts the number of copy transmissions, adjusts the number of copy transmissions to the first value, or stops using the first message and directly uses the random access procedure to continue trying to send the first message. This optimizes the DSA processing mechanism, avoids or reduces the negative gain brought by using DSA when the network load is high, or optimizes the DSA-related configuration, and supports the improvement of system performance.

[0472] Optionally, the first configuration information includes at least one of the following: first message time domain and / or frequency domain resource configuration, number of copy transmissions N, number of repetitions M, reference signal received power coverage level selection threshold, maximum number of transmission attempts for coverage level X, first time window configuration information, and first listening window.

[0473] Optionally, the first message's time-domain and / or frequency-domain resource configuration represents the time-domain location and / or period, and the frequency-domain resource configuration, which is optionally provided based on the coverage level.

[0474] Optionally, the number of replicas N represents the number of times the first message is replicated and sent, and its value range can be {1,2,3,4}. Optionally, the number of replicas N is provided based on the coverage level.

[0475] Optionally, the repetition number M represents the number of times the first message is copied and sent. Optionally, the repetition number M is provided based on the coverage level.

[0476] Optionally, a reference signal received power coverage level selection threshold is provided for the terminal equipment to select a coverage level based on the reference signal received power (RSRP).

[0477] Optionally, the maximum number of transmission attempts X for the coverage level represents the maximum number of attempts to send the first message at that coverage level. Optionally, the maximum number of transmission attempts X for the coverage level is provided based on the coverage level.

[0478] Optionally, the first time window configuration information is used by the terminal device to (randomly) select N times within the first time window to send N copies of the first message. Optionally, the first time window configuration information is provided based on the coverage level.

[0479] Optionally, the terminal device may use the next available first message resource occcasion as the starting point of the first time window.

[0480] Optionally, the terminal device takes the first copy of the first message as the starting point of the first time window.

[0481] Optionally, the first-time window configuration information includes at least one of the following: window length, window period, window start position, window adjustment step size delta, maximum number of window adjustments Y, and maximum transport block size.

[0482] Optionally, the window length or window period can be the number of first message resource opportunities, such as X first message resource opportunities as one window length or period (i.e., the consecutive time domain positions of X first messages as one window length or period).

[0483] Optionally, the window adjustment step size unit can be the number of first message resource opportunities or the length or period of the first window.

[0484] Optionally, the maximum number of window adjustments, Y, represents the maximum number of times the window can be adjusted.

[0485] Optionally, the first listening window is used to listen for the network device's response after the terminal device sends the first message (copy). Optionally, the first listening window can be a timer, such as a contention resolution timer. Optionally, the length of the first listening window is provided based on the coverage level.

[0486] Optionally, the maximum transport block size (TBS) indicates the maximum transport block size that can trigger the first message.

[0487] Optionally, at least one of the first configuration information is per CE level, that is, at least one of the first configuration information is provided according to the coverage level.

[0488] Optionally, the terminal device determines whether to use the first message and / or CE level based on the Reference Signal Received Power (RSRP) selection threshold. For example, when the Reference Signal Received Power (RSRP) is lower than a certain threshold, the first message is not used, and the Random Access (RACH) procedure is used instead.

[0489] Optionally, the terminal device determines whether to use the first message and / or determine the CElevel based on different RSRP thresholds.

[0490] Optionally, the first message can be CB-Msg3 (contention-based message 3).

[0491] Optionally, message 3 can be either an RRC Early Data Request or an RRC Connection Resume Request message.

[0492] Optionally, the first message includes location information and / or RNTI for sending a copy of the first message (partial or complete).

[0493] Optionally, the terminal device receives the first configuration information and sends the first message when at least one of the following conditions is met:

[0494] The terminal device requests the upper layer to establish or restore an RRC connection;

[0495] The terminal equipment has effective timing advance or can use pre-compensated timing advance;

[0496] The uplink data from the terminal device does not exceed the transport block size; for example, the transmitted MAC PDU does not exceed the transport block size.

[0497] The reference signal receiving power of the terminal equipment meets the corresponding reference signal receiving power selection threshold.

[0498] Optionally, the terminal device may select N times within the (next) first time window to send N copies of the first message.

[0499] Optionally, the terminal device starts the first listening window after sending the first message (copying it).

[0500] Optionally, the terminal device listens to the Physical Downlink Control Channel (PDCCH) scrambled with Radio Network Temporary Identifier (RNTI) within the first listening window.

[0501] Optionally, if the terminal device detects a physical downlink control channel scrambled with a temporary wireless network identifier within the first listening window and receives a response message corresponding to the first message, and the response information carries a contention resolution identifier matching the terminal device, then the terminal device stops the first listening window, confirms successful contention resolution, and considers the first message to have been successfully sent.

[0502] Optionally, if there are still copies left to be sent when the terminal device successfully sends the first message, the terminal device may stop sending the remaining copies.

[0503] Optionally, if the terminal device's first listening window times out and / or the terminal device does not receive a contention resolution identifier that matches the terminal device, the terminal device confirms that the contention resolution has failed.

[0504] Through the technical solution of this embodiment, the network device sends the first configuration information, and the terminal device responds to the failure of sending the first message by performing the first processing, which optimizes the processing mechanism of CB-Msg3 in the NTN scenario, so as to reduce or avoid the terminal device from continuously failing to send due to conflicts and thus improve the coverage level.

[0505] Sixth Embodiment

[0506] Please see Figure 11 , Figure 11 Schematic diagram of the processing apparatus provided in the embodiments of this application Figure 1 This device can be mounted on or is the terminal device in the above method embodiments. Figure 11 The processing apparatus shown can be used to perform some or all of the functions described in the method embodiments above, such as... Figure 11 As shown, the processing device 160 includes:

[0507] Processing module 1601 is used to perform first processing in response to the failure to send the first message.

[0508] Optionally, the first message is sent based on the first configuration information.

[0509] Optionally, the first process is performed, including at least one of the following:

[0510] If the number of attempts to send the first message is less than the maximum number of attempts X for the current coverage level, then continue to attempt to send the first message at the current coverage level;

[0511] If the number of first message sending attempts is greater than or equal to the maximum number of sending attempts X for the current coverage level, then the second processing step is executed.

[0512] Optionally, a second process is performed, including at least one of the following:

[0513] If all (copy) transmissions of the first message fail due to the first reason, or if the number of first-reason failures is greater than or equal to the number of second-reason failures, then the current coverage level is increased and the first message is retransmitted.

[0514] If all (copy) transmissions of the first message fail due to a second reason, or if the number of second-reason failures is greater than or equal to the number of first-reason failures, then continue to attempt to send the first message at the current coverage level.

[0515] Optionally, the device further includes at least one of the following:

[0516] If all copies of the first message fail due to the first reason or the number of failures due to the first reason is greater than or equal to the number of failures due to the second reason, then the failure of the first message is confirmed as a failure due to the first reason.

[0517] If all copies of the first message fail due to the second reason, or if the number of second-reason failures is greater than or equal to the number of first-reason failures, then the failure of the first message transmission is confirmed as a second-reason failure.

[0518] Optionally, the device further includes at least one of the following:

[0519] If the first listening window times out and / or does not receive a contention resolution flag matching the terminal device, then contention resolution is considered to have failed.

[0520] When the contention for resolving all copies of the first message fails, the failure to send the first message is confirmed.

[0521] If the physical downlink control channel and / or reference signal received without scrambling with a temporary identifier for the wireless network is not received and the power is near the coverage level threshold, it is recorded as a first-cause failure.

[0522] If a physical downlink control channel scrambled with a temporary identifier for the wireless network is received but contention resolution fails or a response message indicates a conflict, it is recorded as a second-cause failure.

[0523] If a Physical Downlink Control Channel (PLC) scrambled with a Radio Network Temporary Identifier (NRMIC) is received, but the PLC indication is conflicting, it is recorded as a second-cause failure.

[0524] Optionally, continue to attempt to send the first message at the current coverage level, including at least one of the following:

[0525] After adjusting the first time window, continue attempting to send the first message;

[0526] After adjusting the number of copy and send attempts, try sending the first message again.

[0527] Continue attempting to send the first message using the random access procedure.

[0528] The processing device provided in this application embodiment is similar in implementation principle and beneficial effect to the technical solution shown in the corresponding method embodiment above, and will not be described again here.

[0529] Seventh Embodiment

[0530] Please see Figure 12 , Figure 12 Schematic diagram of the processing apparatus provided in the embodiments of this application Figure 2 This device can be mounted on or is the network device described in the above method embodiments. Figure 12The processing apparatus shown can be used to perform some or all of the functions described in the method embodiments above, such as... Figure 12 As shown, the device 170 includes:

[0531] The sending module 1701 is used to send first configuration information so that the terminal device can perform first processing in response to the failure of sending the first message.

[0532] Optionally, the first message is sent by the terminal device based on the first configuration information, and / or the first configuration information includes at least one of the following:

[0533] First message: Time-domain and / or frequency-domain resource configuration;

[0534] Number of copies sent (N);

[0535] Reference signal reception power coverage level selection threshold;

[0536] Maximum number of transmission attempts for coverage level X;

[0537] First-time window configuration information;

[0538] First listening window.

[0539] Optionally, the terminal device performs a first process, including at least one of the following:

[0540] If the number of times the terminal device attempts to send the first message is less than the maximum number of times it can send the message at the current coverage level, then the terminal device will continue to attempt to send the first message at the current coverage level.

[0541] If the number of first message sending attempts by the terminal device is greater than or equal to the maximum number of sending attempts X for the current coverage level, then the terminal device will perform the second processing.

[0542] Optionally, the terminal device performs a second process, including at least one of the following:

[0543] If all (copied) transmissions of the first message by the terminal device fail due to the first reason, or if the number of failures due to the first reason is greater than or equal to the number of failures due to the second reason, the terminal device will upgrade its current coverage level and continue to attempt to send the first message.

[0544] If all (copied) transmissions of the first message by the terminal device fail due to the second reason, or if the number of second-reason failures is greater than or equal to the number of first-reason failures, the terminal device will continue to attempt to send the first message at the current coverage level.

[0545] Optionally, the device further includes at least one of the following:

[0546] If all copies of the first message sent by the terminal device fail due to the first reason, or if the number of failures due to the first reason is greater than or equal to the number of failures due to the second reason, then the terminal device confirms that the failure of the first message sending is due to the first reason.

[0547] If all copies of the first message sent by the terminal device fail due to the second reason, or if the number of second-reason failures is greater than or equal to the number of first-reason failures, then the terminal device confirms that the failure of the first message sending is due to the second reason.

[0548] Optionally, the device further includes at least one of the following:

[0549] If the terminal device's first listening window times out and / or it does not receive a contention resolution flag that matches the terminal device, the terminal device confirms that the contention resolution has failed.

[0550] When the contention for resolving all copies of the first message fails to be resolved on the terminal device, the terminal device acknowledges that the first message has failed to be sent.

[0551] If the terminal device does not receive the physical downlink control channel scrambled with the wireless network temporary identifier and / or the received power of the reference signal is near the coverage level threshold, the terminal device is recorded as failing for the first reason.

[0552] If the terminal device receives a physical downlink control channel scrambled with a temporary identifier for the wireless network but fails to resolve the contention or the response message indicates a conflict, the terminal device records this as a second-cause failure.

[0553] If the terminal device receives a physical downlink control channel scrambled with a temporary identifier for the wireless network, but the physical downlink control channel indication conflict occurs, the terminal device records the failure as a second cause.

[0554] Optionally, the terminal device continues to attempt to send the first message at the current coverage level, including at least one of the following:

[0555] After adjusting the first time window, the terminal device will continue to attempt to send the first message;

[0556] After adjusting the number of copy and send attempts, the terminal device continues to try sending the first message.

[0557] The terminal device continues to attempt to send the first message using a random access procedure.

[0558] The processing device provided in this application embodiment is similar in implementation principle and beneficial effect to the technical solution shown in the corresponding method embodiment above, and will not be described again here.

[0559] See Figure 13 , Figure 13 This is a schematic diagram of the structure of a communication device provided in an embodiment of this application. Figure 13As shown, the communication device 180 described in this embodiment can be a terminal device (or a component that can be used in a terminal device) or a network device (or a component that can be used in a network device) mentioned in the foregoing method embodiments. The communication device 180 can be used to implement the methods corresponding to the terminal device or network device described in the above method embodiments, as detailed in the descriptions in the above method embodiments.

[0560] The communication device 180 may include one or more processors 1801, which may also be referred to as processing units, and can perform certain control or processing functions. The processor 1801 may be a general-purpose processor or a dedicated processor, such as a baseband processor or a central processing unit. The baseband processor can be used to process communication protocols and communication data, while the central processing unit can be used to control the communication device, execute software programs, and process data from the software programs.

[0561] Optionally, the processor 1801 may also store instructions 1803 or data (e.g., intermediate data). Optionally, instructions 1803 may be executed by the processor 1801, causing the communication device 180 to perform the methods described in the above method embodiments corresponding to the terminal device or network device.

[0562] Optionally, the communication device 180 may include a circuit that can perform the functions of sending, receiving, or communicating in the foregoing method embodiments.

[0563] Optionally, the communication device 180 may include one or more memories 1802, which may store instructions 1804 that can be executed on the processor 1801 to cause the communication device 180 to perform the methods described in the above method embodiments.

[0564] Alternatively, the memory 1802 may also store data. The processor 1801 and the memory 1802 can be configured separately or integrated together.

[0565] Optionally, the communication device 180 may further include a transceiver 1805 and / or an antenna 1806. The processor 1801, which may be referred to as a processing unit, controls the communication device 180 (terminal device, core network device, or wireless access network device). The transceiver 1805, which may be referred to as a transceiver unit, transceiver, transceiver circuit, or transceiver, is used to implement the transceiver functions of the communication device 180.

[0566] Optionally, if the communication device 180 is used to implement the operation corresponding to the terminal device in the above embodiments, for example, the transceiver 1805 may receive the first configuration information; and the processor 1801 may perform the first processing in response to the failure to send the first message.

[0567] Optionally, the specific implementation process of the processor 1801 and transceiver 1805 can be found in the relevant descriptions of the above embodiments, and will not be repeated here.

[0568] Optionally, if the communication device 180 is used to implement the operation of the network device corresponding to the above embodiments, for example, the transceiver 1805 can send the first configuration information.

[0569] Optionally, the specific implementation process of the processor 1801 and transceiver 1805 can be found in the relevant descriptions of the above embodiments, and will not be repeated here.

[0570] The processor 1801 and transceiver 1805 described in this application can be implemented in ICs (Integrated Circuits), analog integrated circuits, RFICs (Radio Frequency Integrated Circuits), mixed-signal integrated circuits, ASICs (Application Specific Integrated Circuits), PCBs (Printed Circuit Boards), electronic devices, etc. The processor 1801 and transceiver 1805 can also be manufactured using various integrated circuit process technologies, such as CMOS (Complementary Metal Oxide Semiconductor), NMOS (N Metal-Oxide-Semiconductor), PMOS (Positive Channel Metal Oxide Semiconductor), BJT (Bipolar Junction Transistor), Bipolar CMOS (BiCMOS), silicon germanium (SiGe), gallium arsenide (GaAs), etc.

[0571] In this application, the communication device can be a terminal device (such as a mobile phone) or a network device (such as a base station), depending on the context. Furthermore, the terminal device can be implemented in various forms. For example, the terminal devices described in this application can include mobile terminals such as mobile phones, tablets, laptops, handheld computers, personal digital assistants (PDAs), portable media players (PMPs), navigation devices, wearable devices, smart bracelets, pedometers, etc., as well as fixed terminal devices such as digital TVs and desktop computers.

[0572] Although the communication devices described above are exemplified as terminal devices or network devices, the scope of the communication devices described in this application is not limited to the aforementioned terminal devices or network devices, and the structure of the communication devices may vary. Figure 13 There are limitations. Communication equipment can be a standalone device or part of a larger device.

[0573] This application also provides a communication system, including: a terminal device as described in any of the above embodiments; and a network device as described in any of the above embodiments.

[0574] This application also provides a communication device, including a memory and a processor. The memory stores a processing program, and when the processing program is executed by the processor, it implements the steps of the processing method in any of the above embodiments.

[0575] The communication equipment mentioned in this application may be a terminal device (such as a mobile phone), a network device (such as a base station), or a chip (such as a SOC or a baseband chip with communication functions). The specific meaning needs to be clarified according to the context.

[0576] This application also provides a computer-readable storage medium storing a processing program, which, when executed by a processor, implements the steps of the processing method in any of the above embodiments.

[0577] In the embodiments of the communication device and storage medium provided in this application, all the technical features of any of the above-described processing method embodiments may be included. The extended and explained contents of the specification are basically the same as the embodiments of the above methods, and will not be repeated here.

[0578] This application also provides a computer program product, which includes computer program code. When the computer program code is run on a computer, it causes the computer to perform the methods described in the various possible implementations above.

[0579] This application also provides a chip, including a memory and a processor. The memory is used to store a computer program, and the processor is used to call and run the computer program from the memory, so that a device with the chip installed performs the methods described in the various possible implementations above.

[0580] It is understood that the above scenarios are merely examples and do not constitute a limitation on the application scenarios of the technical solutions provided in the embodiments of this application. The technical solutions of this application can also be applied to other scenarios. For example, as those skilled in the art will know, with the evolution of system architecture and the emergence of new business scenarios, the technical solutions provided in the embodiments of this application are also applicable to similar technical problems.

[0581] The sequence numbers of the embodiments in this application are for descriptive purposes only and do not represent the superiority or inferiority of the embodiments.

[0582] The steps in the method of this application embodiment can be adjusted, combined, or deleted according to actual needs.

[0583] The units in the device of this application embodiment can be merged, divided, and deleted according to actual needs.

[0584] In this application, the same or similar terms, concepts, technical solutions and / or application scenario descriptions are generally described in detail only when they appear for the first time. When they appear again, they are generally not repeated for the sake of brevity. When understanding the technical solutions and other contents of this application, the same or similar terms, concepts, technical solutions and / or application scenario descriptions that are not described in detail later can be referred to their previous relevant detailed descriptions.

[0585] In this application, the descriptions of the various embodiments have different focuses. For parts that are not described in detail or recorded in a certain embodiment, please refer to the relevant descriptions of other embodiments.

[0586] The technical features of the present application can be combined in any way. For the sake of brevity, not all possible combinations of the technical features in the above embodiments are described. However, as long as there is no contradiction in the combination of these technical features, they should be considered to be within the scope of the present application.

[0587] Through the above description of the embodiments, those skilled in the art can clearly understand that the methods of the above embodiments can be implemented by means of software plus necessary general-purpose hardware platforms. Of course, they can also be implemented by hardware, but in many cases the former is a better implementation method. Based on this understanding, the technical solution of this application, in essence, or the part that contributes to the prior art, can be embodied in the form of a software product. This computer software product is stored in a storage medium (such as ROM / RAM, magnetic disk, optical disk) as described above, and includes several instructions to cause a terminal device (which may be a mobile phone, computer, server, controlled terminal device, or network device, etc.) to execute the methods of each embodiment of this application.

[0588] In the above embodiments, implementation can be achieved, in whole or in part, through software, hardware, firmware, or any combination thereof. When implemented using software, it can be implemented, in whole or in part, as a computer program product. A computer program product includes one or more computer instructions. When the computer program instructions are loaded and executed on a computer, all or part of the flow or function according to the embodiments of this application is generated. The computer can be a general-purpose computer, a special-purpose computer, a computer network, or other programmable device. The computer instructions can be stored in a storage medium or transmitted from one storage medium to another. For example, computer instructions can be transmitted from one website, computer, server, or data center to another website, computer, server, or data center via wired (e.g., coaxial cable, fiber optic, digital subscriber line) or wireless (e.g., infrared, wireless, microwave, etc.) means. The storage medium can be any available medium that a computer can access or a data storage device such as a server or data center that integrates one or more available media. The available medium can be a magnetic medium (e.g., floppy disk, storage disk, magnetic tape), an optical medium (e.g., DVD), or a semiconductor medium (e.g., a solid-state disk (SSD)).

[0589] The above are merely preferred embodiments of this application and do not limit the patent scope of this application. Any equivalent structural or procedural transformations made using the content of this application's specification and drawings, or direct or indirect applications in other related technical fields, are similarly included within the patent protection scope of this application.

Claims

1. A processing method characterized by, Applied to terminal devices, including the following steps: In the first time window, N copies of the first message are sent with a copy sending count of N, where N is a positive integer; In response to the failure to send the first message, perform the first processing step; The first process includes: if the number of first message sending attempts is greater than or equal to the maximum number of sending attempts for the current coverage level, then the second process is executed; Perform the second process, including: If all attempts to send the first message fail due to a second reason, or if the number of second-reason failures is greater than or equal to the number of first-reason failures, then continue to attempt to send the first message at the current coverage level. If all attempts to send the first message fail due to the first reason, or if the number of failures due to the first reason is greater than or equal to the number of failures due to the second reason, then the current coverage level will be increased and the first message will continue to be sent. Among them, the first reason failure is the failure caused by the covering reason, and the second reason failure is the failure caused by the conflict reason; Continue to attempt to send the first message at the current coverage level, including at least one of the following: After adjusting the first time window, continue attempting to send the first message; After adjusting the number of times to copy and send, try sending the first message again.

2. The method of claim 1, wherein, The first message is sent based on the first configuration information, and / or performs the first processing, further including: If the number of attempts to send the first message is less than the maximum number of attempts for the current coverage level, then continue to attempt to send the first message at the current coverage level.

3. The method of claim 1, wherein, It also includes at least one of the following: If all copies of the first message fail due to the first reason or the number of failures due to the first reason is greater than or equal to the number of failures due to the second reason, then the failure of the first message is confirmed as a failure due to the first reason. If all copies of the first message fail due to the second reason, or if the number of second-reason failures is greater than or equal to the number of first-reason failures, then the failure of the first message transmission is confirmed as a second-reason failure.

4. The method of claim 1, wherein, It also includes at least one of the following: If the first listening window times out and / or does not receive a contention resolution flag matching the terminal device, then contention resolution is considered to have failed. When the contention for resolving all copies of the first message fails, the failure to send the first message is confirmed. If the physical downlink control channel and / or reference signal received without scrambling with a temporary identifier for the wireless network is not received and the power is near the coverage level threshold, it is recorded as a first-cause failure. If a physical downlink control channel scrambled with a temporary identifier for the wireless network is received but contention resolution fails or a response message indicates a conflict, it is recorded as a second-cause failure. If a physical downlink control channel scrambled with a temporary radio network identifier is received, but the physical downlink control channel indication conflict occurs, it is recorded as a second-cause failure. Continuing to attempt to send the first message at the current coverage level also includes: Continue attempting to send the first message using the random access procedure.

5. A processing method characterized by, Applied to network devices, including the following steps: Send first configuration information to cause the terminal device to perform first processing in response to the failure of sending the first message; wherein, the terminal device sends N copies of the first message in the first time window with a copy sending number N, where N is a positive integer; The terminal device performs a first process, including: if the number of first message sending attempts is greater than or equal to the maximum number of sending attempts for the current coverage level, then the terminal device performs a second process; The terminal device performs a second process, including: If all attempts to send the first message fail due to the second reason, or if the number of second-reason failures is greater than or equal to the number of first-reason failures, the terminal device will continue to attempt to send the first message at the current coverage level. If all attempts to send the first message fail due to the first reason, or if the number of failures due to the first reason is greater than or equal to the number of failures due to the second reason, the terminal device will upgrade its current coverage level and continue to attempt to send the first message. Among them, the first reason failure is the failure caused by the covering reason, and the second reason failure is the failure caused by the conflict reason; The terminal device continues to attempt to send a first message at the current coverage level, including at least one of the following: After adjusting the first time window, the terminal device will continue to attempt to send the first message; After adjusting the number of copy and send attempts, the terminal device continues to try sending the first message.

6. The method of claim 5, wherein, The first message is sent by the terminal device based on the first configuration information, and / or the first configuration information includes at least one of the following: First message: Time-domain and / or frequency-domain resource configuration; Number of copies sent (N); Reference signal reception power coverage level selection threshold; Maximum number of send attempts for coverage level; First-time window configuration information; First listening window.

7. The method of claim 6, wherein, The terminal device performs the first process, which also includes: If the number of times the terminal device attempts to send the first message is less than the maximum number of attempts for the current coverage level, the terminal device will continue to attempt to send the first message within the current coverage level.

8. The method of claim 6, wherein, It also includes at least one of the following: If all copies of the first message sent by the terminal device fail due to the first reason, or if the number of failures due to the first reason is greater than or equal to the number of failures due to the second reason, then the terminal device confirms that the failure of the first message sending is due to the first reason. If all copies of the first message sent by the terminal device fail due to the second reason, or if the number of second-reason failures is greater than or equal to the number of first-reason failures, then the terminal device confirms that the failure of the first message sending is due to the second reason.

9. The method of claim 5, wherein, It also includes at least one of the following: If the terminal device's first listening window times out and / or it does not receive a contention resolution flag that matches the terminal device, the terminal device confirms that the contention resolution has failed. When the contention for resolving all copies of the first message fails to be resolved on the terminal device, the terminal device confirms that the first message has failed to be sent. If the terminal device does not receive the physical downlink control channel scrambled with the wireless network temporary identifier and / or the received power of the reference signal is near the coverage level threshold, the terminal device is recorded as failing for the first reason. If the terminal device receives a physical downlink control channel scrambled with a temporary identifier for the wireless network but fails to resolve the contention or the response message indicates a conflict, the terminal device records this as a second-cause failure. If the terminal device receives a physical downlink control channel scrambled with a temporary identifier of the wireless network, but the physical downlink control channel indication conflict occurs, the terminal device records the failure as a second cause. The terminal device continues to attempt to send the first message at the current coverage level, including: The terminal device continues to attempt to send the first message using a random access procedure.

10. A communication device, characterized by include: A memory and a processor, wherein the memory stores a processing program, and the processing program, when executed by the processor, implements the processing method as described in any one of claims 1 to 9.

11. A computer readable storage medium, characterized in that, The computer readable storage medium stores a processing program, and the processing program is executed by the processor to implement the processing method in any one of claims 1 to 9.

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