Multi-PRACH transmission setup method and device

The method enhances PRACH channel coverage by configuring multi-PRACH transmissions for non-conflicting and conflicting random access, addressing the issue of low uplink coverage in communication systems.

JP7875993B2Active Publication Date: 2026-06-18BEIJING XIAOMI MOBILE SOFTWARE CO LTD

Patent Information

Authority / Receiving Office
JP · JP
Patent Type
Patents
Current Assignee / Owner
BEIJING XIAOMI MOBILE SOFTWARE CO LTD
Filing Date
2022-05-23
Publication Date
2026-06-18

AI Technical Summary

Technical Problem

The low uplink coverage of the PRACH channel in communication systems affects the communication quality between terminal devices and network-side devices, as terminal devices can only transmit one first message in a single random access attempt, leading to deteriorated PRACH channel coverage.

Method used

A method for configuring multi-PRACH transmission, including first and second multi-PRACH transmission configurations for non-conflicting (CFRA) and conflicting (CBRA) random access, triggered by various mechanisms such as PDCCH, beam failure recovery, or PScell addition/modification, to enable multi-PRACH transmissions.

🎯Benefits of technology

Improves PRACH channel coverage by allowing terminal devices to initiate and network-side devices to receive multiple PRACH transmissions, reducing the probability of random access failure.

✦ Generated by Eureka AI based on patent content.

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Abstract

The present invention provides a multi-PRACH transmission setting method, apparatus, device, and storage medium, and belongs to the field of communication technologies. The method includes the step of transmitting, to a terminal device, a multi-PRACH transmission setting including a first multi-PRACH transmission setting and / or a second multi-PRACH transmission setting, where the first multi-PRACH transmission setting is used for the multi-PRACH transmission setting of contention-free random access (CFRA), and the second multi-PRACH transmission setting is used for the multi-PRACH transmission setting of contention-based random access (CBRA); and the step of receiving, by the terminal device, the multi-PRACH transmission of CFRA started based on the first multi-PRACH transmission setting and / or the multi-PRACH transmission of CBRA started based on the second multi-PRACH transmission setting. The present disclosure provides a processing method for the situation of "multi-PRACH transmission setting", enabling a network-side device to receive the multi-PRACH transmission of CFRA and / or the multi-PRACH transmission of CBRA started by the terminal device based on the multi-PRACH transmission setting, and improving the coverage of the PRACH channel.
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Description

【Technical Field】 【0001】 The present disclosure relates to the field of communication technologies, and particularly to a method, apparatus, device, and storage medium for multi-physical random access channel (PRACH) transmission configuration. 【Background Art】 【0002】 In a communication system, if the uplink coverage is low, it will affect the communication quality between the terminal device and the network-side device. One of the factors affecting the uplink coverage is the PRACH channel. Since the terminal device can only transmit one first message Msg1 in a single random access attempt, the coverage of the PRACH channel deteriorates. Therefore, in order to improve the coverage of the PRACH channel by causing the network-side device to receive multi-PRACH transmission of contention-free random access (CFRA) and / or multi-PRACH transmission of contention-based random access (CBRA) initiated based on multi-PRACH transmission configuration by the terminal device, a method for "multi-PRACH transmission configuration" is urgently needed. 【Summary of the Invention】 【Problems to be Solved by the Invention】 【0003】 The present disclosure provides a multi-PRACH transmission configuration method, apparatus, device, and storage medium, enabling the network-side device to receive multi-PRACH transmission of CFRA and / or multi-PRACH transmission of CBRA initiated based on multi-PRACH transmission configuration by the terminal device, thereby improving the coverage of the PRACH channel. 【Means for Solving the Problems】 【0004】 An embodiment of one aspect of the present disclosure provides a method for configuring multi-physical random access channel (PRACH) transmission. The method is executed by a network-side device, and the method includes: A step of transmitting a multi-PRACH transmission configuration to a terminal device, the multi-PRACH transmission configuration including a first multi-PRACH transmission configuration and / or a second multi-PRACH transmission configuration, wherein the first multi-PRACH transmission configuration is used for a non-conflicting random access (CFRA) multi-PRACH transmission configuration, and the second multi-PRACH transmission configuration is used for a competing random access (CBRA) multi-PRACH transmission configuration. The process includes receiving a multi-PRACH transmission of a CFRA initiated by the terminal device based on the first multi-PRACH transmission setting and / or a multi-PRACH transmission of a CBRA initiated based on the second multi-PRACH transmission setting. 【0005】 Selectively, in one embodiment of the present disclosure, the triggering mechanism of the CFRA is Triggering via the Physical Downlink Control Channel (PDCCH), Triggered by switching, Triggered by beam failure recovery, This includes at least one of the following: a trigger caused by adding or modifying a PScell. 【0006】 Selectively, in one embodiment of the present disclosure, the step of sending the multi-PRACH transmission settings to a terminal device is: The step of transmitting a PDCCH order to the terminal device in response to a CFRA triggered by the PDCCH, the PDCCH order carrying the first multi-PRACH transmission setting. 【0007】 Selectively, in one embodiment of the present disclosure, the step of sending the multi-PRACH transmission settings to a terminal device is: The step of sending a dedicated random access configuration (RACH-ConfigDedicated) to the terminal device in response to a CFRA triggered by the addition or modification of the PScell, wherein the CFRA configuration of the RACH-ConfigDedicated carries the first multi-PRACH transmission configuration. 【0008】 Selectively, in one embodiment of the present disclosure, the step of sending the multi-PRACH transmission settings to a terminal device is: The step of sending RACH-ConfigDedicated to the terminal device in response to the CFRA triggered by the aforementioned switching, wherein the CFRA setting of RACH-ConfigDedicated carries the first multi-PRACH transmission setting. 【0009】 Selectively, in one embodiment of the present disclosure, the step of sending the multi-PRACH transmission settings to a terminal device is: The step of transmitting a beam failure recovery setting to the terminal device in response to a CFRA triggered by the beam failure recovery, the beam failure recovery setting includes the first multi-PRACH transmission setting. 【0010】 Selectively, in one embodiment of the present disclosure, the beam failure recovery setting is Beam Failure Recovery Config, Beam Failure Recovery Secondary Cell Configuration (BeamFailureRecoverySCellConfig), It includes at least one of the following: BeamFailureRecoveryServingCellConfig. 【0011】 Selectively, in one embodiment of the present disclosure, the step of sending the multi-PRACH transmission settings to a terminal device is: The step includes transmitting the second multi-PRACH transmission configuration to the terminal device via broadcast signaling or dedicated signaling. 【0012】 Selectively, in one embodiment of the present disclosure, the broadcast signaling includes a system information block 1 (SIB1). 【0013】 Selectively, in one embodiment of the present disclosure, the dedicated signaling is The Wireless Resource Control (RRC) Reconfiguration message, RRC Recovery (RRCResume) message and, RRC release message and The RRC setup message includes at least one of the following: 【0014】 Selectively, in one embodiment of the present disclosure, the step of transmitting the second multi-PRACH transmission setting to the terminal device is: La A step of transmitting a non-communication channel (RACH) setting to the terminal device, wherein the RACH setting carries the second multi-PRACH transmission setting. 【0015】 Selectively, in one embodiment of the present disclosure, the RACH configuration includes a common RACH resource configured individually for each bandwidth portion. 【0016】 Selectively, in one embodiment of the present disclosure, the step of sending the RACH settings to a terminal device is: The step involves sending a first random access common configuration (RACH-ConfigCommon) in the initial BWP configuration of SIB1 to the terminal device, wherein the RACH configuration is carried to the first RACH-ConfigCommon. 【0017】 Optionally, in one embodiment of the present disclosure, the step of transmitting the RACH configuration to the terminal device is transmitting the second RACH-ConfigCommon in the BWP configuration of the RRCReconfiguration message to the terminal device, wherein the RACH configuration is carried in the second RACH-ConfigCommon. 【0018】 Optionally, in one embodiment of the present disclosure, the step of transmitting the second multi-PRACH transmission configuration to the terminal device is including the step of transmitting a dedicated RACH configuration carrying the second multi-PRACH transmission configuration to the terminal device. 【0019】 Optionally, in one embodiment of the present disclosure, the step of transmitting the dedicated RACH configuration to the terminal device is responding to the CBRA triggered by beam failure recovery and transmitting a beam failure recovery configuration (BeamFailureRecoveryConfig) to the terminal device, wherein the BeamFailureRecoveryConfig includes the step of carrying the second multi-PRACH transmission configuration set within the dedicated RACH configuration. 【0020】 Optionally, in one embodiment of the present disclosure, the step of transmitting the second multi-PRACH transmission configuration to the terminal device is responding to the CBRA triggered by PScell addition or change and transmitting a dedicated random access configuration (RACH-ConfigDedicated) to the terminal device, wherein the RACH-ConfigDedicated includes the step of carrying the second multi-PRACH transmission configuration set within the dedicated RACH configuration. 【0021】 Optionally, in one embodiment of the present disclosure, the step of transmitting the second multi-PRACH transmission configuration to the terminal device is The step of sending RACH-ConfigDedicated to the terminal device in response to a CBRA triggered by a switch, wherein the CBRA setting of RACH-ConfigDedicated carries the second multi-PRACH transmission setting. 【0022】 Selectively, in one embodiment of the present disclosure, the step of sending the second multi-PRACH transmission setting to a terminal device is: A step of transmitting a feature combination RACH setting to the terminal device, wherein the RACH setting of the feature combination carries the second multi-PRACH transmission setting. 【0023】 Selectively, in one embodiment of the present disclosure, the feature combination includes a Coverage Enhancement feature, the Coverage Enhancement feature indicates a Coverage Enhancement feature that supports multi-PRACH transmission of the CBRA. 【0024】 Another embodiment of the present disclosure provides a multi-PRACH transmission setup method, the method being performed by a terminal device, and the method is A step of receiving a multi-PRACH transmission setting transmitted from a network-side device, wherein the multi-PRACH transmission setting includes a first multi-PRACH transmission setting and / or a second multi-PRACH transmission setting, the first multi-PRACH transmission setting is used for the CFRA multi-PRACH transmission setting, and the second multi-PRACH transmission setting is used for the CBRA multi-PRACH transmission setting, The steps include transmitting a multi-PRACH transmission of a CFRA initiated based on the first multi-PRACH transmission setting and / or a multi-PRACH transmission of a CBRA initiated based on the second multi-PRACH transmission setting to the network-side device. 【0025】 Selectively, in one embodiment of the present disclosure, the triggering mechanism of the CFRA is Triggering via the Physical Downlink Control Channel (PDCCH), Triggered by switching, Triggered by beam failure recovery, This includes at least one of the following: a trigger caused by adding or modifying a PScell. 【0026】 Selectively, in one embodiment of the present disclosure, the step of receiving a multi-PRACH transmission setting transmitted from the network-side device is: The step of receiving a PDCCH order transmitted from the network-side device in response to a CFRA triggered by the PDCCH, wherein the PDCCH order carries the first multi-PRACH transmission setting. 【0027】 Selectively, in one embodiment of the present disclosure, the step of receiving a multi-PRACH transmission setting transmitted from the network-side device is: The step of receiving a RACH-ConfigDedicated sent from the network-side device in response to a CFRA triggered by the addition or modification of the PScell, wherein the CFRA setting of the RACH-ConfigDedicated carries the first multi-PRACH transmission setting. 【0028】 Selectively, in one embodiment of the present disclosure, the step of receiving a multi-PRACH transmission setting transmitted from the network-side device is: The step of receiving a RACH-ConfigDedicated transmitted from the network-side device in response to a CFRA triggered by the aforementioned switching, wherein the CFRA setting of the RACH-ConfigDedicated carries the first multi-PRACH transmission setting. 【0029】 Selectively, in one embodiment of the present disclosure, the step of receiving a multi-PRACH transmission setting transmitted from the network-side device is: The step of receiving a beam failure recovery setting transmitted from the network-side device in response to a CFRA triggered by the beam failure recovery, the beam failure recovery setting carrying the first multi-PRACH transmission setting. 【0030】 Selectively, in one embodiment of the present disclosure, the beam failure recovery setting is Beam Failure Recovery Config, Beam Failure Recovery Secondary Cell Configuration (BeamFailureRecoverySCellConfig), It includes at least one of the following: BeamFailureRecoveryServingCellConfig. 【0031】 Selectively, in one embodiment of the present disclosure, the step of receiving a multi-PRACH transmission setting transmitted from the network-side device is: The step includes receiving the second multi-PRACH transmission configuration transmitted from the network-side device via broadcast signaling or dedicated signaling. 【0032】 Selectively, in one embodiment of the present disclosure, the broadcast signaling includes a system information block 1 (SIB1). 【0033】 Selectively, in one embodiment of the present disclosure, the dedicated signaling is The Wireless Resource Control (RRC) Reconfiguration message, RRC Recovery (RRCResume) message and, RRC release message and The RRC setup message includes at least one of the following: 【0034】 Selectively, in one embodiment of the present disclosure, the step of receiving the second multi-PRACH transmission setting transmitted from the network-side device is: The step of receiving a RACH setting transmitted from the network-side device, wherein the RACH setting carries the second multi-PRACH transmission setting. 【0035】 Selectively, in one embodiment of the present disclosure, the RACH configuration includes a common RACH resource configured individually for each bandwidth portion. 【0036】 Selectively, in one embodiment of the present disclosure, the step of receiving the second multi-PRACH transmission setting transmitted from the network-side device is: The step of receiving a first RACH-ConfigCommon in the initial BWP configuration of SIB1 transmitted from the network-side device, the first RACH-ConfigCommon containing the RACH configuration. 【0037】 Selectively, in one embodiment of the present disclosure, the step of receiving the second multi-PRACH transmission setting transmitted from the network-side device is: The step of receiving a second RACH-ConfigCommon of the BWP configuration of the RRCReconfiguration message sent from the network-side device, the second RACH-ConfigCommon containing the RACH configuration. 【0038】 Selectively, in one embodiment of the present disclosure, the step of receiving the second multi-PRACH transmission setting transmitted from the network-side device is: The step of receiving a dedicated RACH setting transmitted from the network-side device, the dedicated RACH setting includes the second multi-PRACH transmission setting. 【0039】 Selectively, in one embodiment of the present disclosure, the step of receiving the second multi-PRACH transmission setting transmitted from the network-side device is: The step of receiving a BeamFailureRecoveryConfig transmitted from the network-side device in response to a CBRA triggered by beam failure recovery, the BeamFailureRecoveryConfig carrying the second multi-PRACH transmission configuration set in the dedicated RACH configuration. 【0040】 Selectively, in one embodiment of the present disclosure, the step of receiving the second multi-PRACH transmission setting transmitted from the network-side device is: The step of receiving a RACH-ConfigDedicated sent from the network-side device in response to a CBRA triggered by the addition or modification of a PScell, the RACH-ConfigDedicated carrying the second multi-PRACH transmission configuration configured within the dedicated RACH configuration. 【0041】 Selectively, in one embodiment of the present disclosure, the step of receiving the second multi-PRACH transmission setting transmitted from the network-side device is: The step of receiving a RACH-ConfigDedicated transmitted from the network-side device in response to a CBRA triggered by a switchover, wherein the CBRA setting of the RACH-ConfigDedicated carries the second multi-PRACH transmission setting. 【0042】 Selectively, in one embodiment of the present disclosure, the step of receiving the second multi-PRACH transmission setting transmitted from the network-side device is: The step of receiving the RACH setting of the feature combination transmitted from the network-side device, wherein the RACH setting of the feature combination carries the second multi-PRACH transmission setting. 【0043】 Selectively, in one embodiment of the present disclosure, the feature combination includes a Coverage Enhancement feature, the Coverage Enhancement feature indicates a Coverage Enhancement feature that supports multi-PRACH transmission of the CBRA. 【0044】 Another embodiment of the present disclosure provides a multi-PRACH transmission setting device, the device is A transmission module for transmitting a multi-PRACH transmission configuration, including a first multi-PRACH transmission configuration and / or a second multi-PRACH transmission configuration, to a terminal device, wherein the first multi-PRACH transmission configuration is used for a non-conflicting random access (CFRA) multi-PRACH transmission configuration, the second multi-PRACH transmission configuration is used for a conflicting random access (CBRA) multi-PRACH transmission configuration, the first multi-PRACH transmission configuration is used for a CFRA multi-PRACH transmission configuration, and the second multi-PRACH transmission configuration is used for a CBRA multi-PRACH transmission configuration. The device includes a receiving module for receiving multi-PRACH transmissions of CFRA initiated by the terminal device based on the first multi-PRACH transmission setting and / or multi-PRACH transmissions of CBRA initiated based on the second multi-PRACH transmission setting. 【0045】 Another embodiment of the present disclosure provides a multi-PRACH transmission setting device, the device is A receiving module for receiving multi-PRACH transmission settings transmitted from a network-side device, wherein the multi-PRACH transmission settings include a first multi-PRACH transmission setting and / or a second multi-PRACH transmission setting, the first multi-PRACH transmission setting is used for the CFRA multi-PRACH transmission setting, and the second multi-PRACH transmission setting is used for the CBRA multi-PRACH transmission setting, The system includes a transmission module for transmitting multi-PRACH transmissions of CFRA initiated based on the first multi-PRACH transmission configuration and / or multi-PRACH transmissions of CBRA initiated based on the second multi-PRACH transmission configuration to the network-side device. 【0046】 Another embodiment of the present disclosure provides a terminal device comprising a processor and memory, the memory storing a computer program, and the processor causes the device to perform the method provided in the above embodiment by executing the computer program stored in the memory. 【0047】 Another embodiment of the present disclosure provides a network-side device comprising a processor and memory, the memory storing a computer program, and the processor causing the device to perform the method provided in the other embodiment by executing the computer program stored in the memory. 【0048】 Another embodiment of the present disclosure provides a communication device comprising a processor and an interface circuit, The interface circuit receives code instructions and transmits them to the processor. The processor executes the method presented in one embodiment by executing the code instructions. 【0049】 Another embodiment of the present disclosure provides a communication device comprising a processor and an interface circuit, The interface circuit receives code instructions and transmits them to the processor. The processor performs the method presented in another embodiment by executing the code instructions. 【0050】 A computer-readable storage medium provided by an embodiment of another aspect of the present disclosure stores instructions, and when such instructions are executed, the method provided by an embodiment of one aspect is implemented. 【0051】 A computer-readable storage medium provided by an embodiment of another aspect of the present disclosure stores instructions, and when such instructions are executed, the method provided by an embodiment of another aspect is realized. [Effects of the Invention] 【0052】 Accordingly, in the embodiments of the present disclosure, a multi-PRACH transmission configuration including a first multi-PRACH transmission configuration and / or a second multi-PRACH transmission configuration is transmitted to a terminal device, where the first multi-PRACH transmission configuration is used for non-conflicting random access (CFRA) multi-PRACH transmission configuration, and the second multi-PRACH transmission configuration is used for conflicting random access (CBRA) multi-PRACH transmission configuration, and the terminal device receives multi-PRACH transmissions of CFRA initiated based on the first multi-PRACH transmission configuration and / or multi-PRACH transmissions of CBRA initiated based on the second multi-PRACH transmission configuration. In the embodiments of the present disclosure, after transmitting the multi-PRACH transmission configuration to the terminal device, the terminal device can initiate multi-PRACH transmissions of CFRA and / or multi-PRACH transmissions of CBRA based on the multi-PRACH transmission configuration, thereby reducing the probability of random access failure. This disclosure provides a method for handling a situation called "multi-PRACH transmission configuration" so that network-side devices receive multi-PRACH transmissions of CFRA and / or CBRA initiated by terminal devices based on the multi-PRACH transmission configuration, thereby improving PRACH channel coverage. [Brief explanation of the drawing] 【0053】 The above and / or additional aspects and advantages of this disclosure will become apparent and easier to understand from the description of embodiments in conjunction with the drawings. [Figure 1] This is a schematic flowchart of a multi-PRACH transmission setup method provided by one embodiment of the present disclosure. [Figure 2] This is a schematic flowchart of a multi-PRACH transmission setup method provided by another embodiment of the present disclosure. [Figure 3] This is a schematic flowchart of the multi-PRACH transmission configuration method provided by further embodiments of this invention. [Figure 4] This is a schematic flowchart of a multi-PRACH transmission setup method provided by other embodiments of this disclosure. [Figure 5] This is a schematic flowchart of a multi-PRACH transmission setup method provided by other embodiments of this disclosure. [Figure 6] This is a schematic flowchart of a multi-PRACH transmission setup method provided by other embodiments of this disclosure. [Figure 7] This is a schematic flowchart of a multi-PRACH transmission setup method provided by other embodiments of this disclosure. [Figure 8] This is a schematic flowchart of a multi-PRACH transmission setup method provided by other embodiments of this disclosure. [Figure 9] This is a schematic flowchart of a multi-PRACH transmission setup method provided by other embodiments of this disclosure. [Figure 10] This is a schematic flowchart of a multi-PRACH transmission setup method provided by other embodiments of this disclosure. [Figure 11] This is a schematic flowchart of a multi-PRACH transmission setup method provided by other embodiments of this disclosure. [Figure 12] This is a schematic flowchart of a multi-PRACH transmission setup method provided by other embodiments of this disclosure. [Figure 13] This is a schematic flowchart of a multi-PRACH transmission setup method provided by other embodiments of this disclosure. [Figure 14] This is a schematic flowchart of a multi-PRACH transmission setup method provided by other embodiments of this disclosure. [Figure 15] This is a schematic flowchart of a multi-PRACH transmission setup method provided by other embodiments of this disclosure. [Figure 16] This is a schematic flowchart of a multi-PRACH transmission setup method provided by other embodiments of this disclosure. [Figure 17] This is a schematic diagram of a multi-PRACH transmission setting device provided by one embodiment of the present disclosure. [Figure 18] This is a schematic diagram of a multi-PRACH transmission setting device provided by another embodiment of the present disclosure. [Figure 19] This is a block diagram of a network-side device provided by one embodiment of the present disclosure. [Figure 20] This is a block diagram of a terminal device provided by one embodiment of the present disclosure. [Modes for carrying out the invention] 【0054】 Herein, exemplary embodiments are described, and these examples are shown in the drawings. Where the following description relates to the drawings, unless otherwise indicated, the same numbers in different drawings represent the same or similar elements. The embodiments described in the following exemplary embodiments do not represent all embodiments consistent with the present application. Rather, they are merely examples of apparatuses and methods consistent with some aspects of the present application, which are detailed in the appended claims. 【0055】 The terms used in this application are for the purpose of describing specific embodiments and are not intended to limit this application. The singular forms “one,” “the foregoing,” and “the” used in this application and the appended claims include the plural forms unless their meaning is clearly indicated in the context. Furthermore, the terms “and / or” used herein include any or all combinations of one or more related items listed. 【0056】 In this application, we may use terms such as "first," "second," and "third" to describe the information, but the information is not limited to these terms. These terms are used solely to distinguish information of the same type from one another. For example, as long as it does not deviate from the scope of this application, the first information may be called the second information, and similarly, the second information may be called the first information. Depending on the context, for example, "case" as used herein may be interpreted as "when..." or "on the occasion of..." or "in response to deciding." 【0057】 The network elements or network functions relating to the embodiments of this disclosure may be implemented by independent hardware devices or by software within hardware devices, and are not limited to these implementations in the embodiments of this disclosure. 【0058】 The multi-PRACH transmission setup methods, apparatus, devices, and storage media provided by embodiments of this disclosure will be described in detail below with reference to the drawings. 【0059】 Figure 1 is a schematic flowchart of a multi-PRACH transmission setup method provided by an embodiment of the present disclosure, the method being performed by a network-side device, and as shown in Figure 1, the method may include the following steps 101-102. 【0060】 Step 101: A multi-PRACH transmission configuration, including a first multi-PRACH transmission configuration and / or a second multi-PRACH transmission configuration, is sent to the terminal device, where the first multi-PRACH transmission configuration is used for non-conflicting random access (CFRA) multi-PRACH transmission configuration, and the second multi-PRACH transmission configuration is used for competing random access (CBRA) multi-PRACH transmission configuration. 【0061】 Step 102, the terminal device receives the multi-PRACH transmission of the CFRA initiated based on the first multi-PRACH transmission setting and / or the multi-PRACH transmission of the CBRA initiated based on the second multi-PRACH transmission setting. 【0062】 In one embodiment of this disclosure, the terminal device may refer to a device that provides voice and / or data connectivity to a user. The terminal device may communicate with one or more core networks via a RAN (Radio Access Network), and may be a sensor device, an Internet of Things terminal such as a mobile phone (also called a "cellular" phone), or a computer equipped with an Internet of Things terminal, and may be, for example, a fixed, portable, pocket-sized, handheld, computer-integrated, or vehicle-mounted device. For example, it may be a Station (STA), subscriber unit, subscriber station, mobile station, mobile, remote station, access point, remote terminal, access terminal, user terminal, or user agent. Alternatively, the terminal device may be a device of an unmanned aerial vehicle. Alternatively, the terminal device may be a vehicle-mounted device, for example, a driver's computer with wireless communication capabilities, or a wireless terminal connected to an external driver's computer. Furthermore, the terminal device may also be a roadside device, such as a streetlamp, traffic light, or other roadside device equipped with wireless communication capabilities. 【0063】 In one embodiment of the present disclosure, when a terminal device transmits a preamble, it can, for example, perform a preamble time-domain repetition, that is, transmit multiple preambles consecutively in the time domain, where a single PRACH transmission is the transmission of multiple consecutive preambles as a single whole, and a multi-PRACH transmission is the performance of multiple PRACH transmissions. 【0064】 In one embodiment of this disclosure, the triggering mechanism of the CFRA is: Triggering via the Physical Downlink Control Channel (PDCCH), Triggered by switching, Triggered by beam failure recovery, This includes at least one of the following: a trigger caused by adding or modifying a PScell. 【0065】 In one embodiment of the present disclosure, the step of sending a multi-PRACH transmission setting to a terminal device is: The process includes sending a PDCCH order carrying a first multi-PRACH transmission configuration to a terminal device in response to a CFRA triggered by PDCCH. 【0066】 In one embodiment of the present disclosure, the step of sending a multi-PRACH transmission setting to a terminal device is: A step of sending a dedicated random access configuration (RACH-ConfigDedicated) to a terminal device in response to a CFRA triggered by the addition or modification of a PScell, wherein the CFRA configuration of RACH-ConfigDedicated carries a first multi-PRACH transmission configuration. 【0067】 In one embodiment of the present disclosure, the step of sending a multi-PRACH transmission setting to a terminal device is: A step of sending RACH-ConfigDedicated to a terminal device in response to a CFRA triggered by a switch, wherein the CFRA setting of RACH-ConfigDedicated carries a first multi-PRACH transmission setting. 【0068】 Exemplary, in one embodiment of the present disclosure, the step of sending a multi-PRACH transmission setting to a terminal device is: A step of sending a beam failure recovery setting to a terminal device in response to a CFRA triggered by beam failure recovery, the beam failure recovery setting includes carrying a first multi-PRACH transmission setting. 【0069】 Furthermore, in one embodiment of the present disclosure, the beam failure recovery setting is Beam Failure Recovery Config, Beam Failure Recovery Secondary Cell Configuration (BeamFailureRecoverySCellConfig), It includes at least one of the following: BeamFailureRecoveryServingCellConfig. 【0070】 In one embodiment of the present disclosure, the step of sending a multi-PRACH transmission setting to a terminal device is: The process includes sending a second multi-PRACH transmission configuration to a terminal device via broadcast signaling or dedicated signaling. 【0071】 In one embodiment of the present disclosure, broadcast signaling includes a system information block 1 (SIB1). 【0072】 In one embodiment of this disclosure, dedicated signaling is provided. The Wireless Resource Control (RRC) Reconfiguration message, RRC Recovery (RRCResume) message and, RRC release message and The RRC setup message includes at least one of the following: 【0073】 In one embodiment of the present disclosure, the step of sending a second multi-PRACH transmission setting to a terminal device is: La A step of sending a Unity Access Channel (RACH) configuration to a terminal device, the RACH configuration including a second multi-PRACH transmission configuration. 【0074】 In one embodiment of the present disclosure, the RACH configuration includes a common RACH resource configured individually for each bandwidth portion. 【0075】 In one embodiment of this disclosure, the step of sending RACH settings to a terminal device is: A step of sending a first random access common configuration (RACH-ConfigCommon) in the initial BWP configuration of SIB1 to a terminal device, the first RACH-ConfigCommon containing the RACH configuration. 【0076】 In one embodiment of this disclosure, the step of sending RACH settings to a terminal device is: A step of sending a second RACH-ConfigCommon of the BWP configuration in the RRCReconfiguration message to a terminal device, the second RACH-ConfigCommon containing the RACH configuration. 【0077】 In one embodiment of the present disclosure, the step of sending a second multi-PRACH transmission setting to a terminal device is: The process includes sending a dedicated RACH configuration, which carries a second multi-PRACH transmission configuration, to a terminal device. 【0078】 In one embodiment of this disclosure, the step of sending a dedicated RACH setting to a terminal device is: The step of sending a BeamFailureRecoveryConfig to a terminal device in response to a CBRA triggered by beam failure recovery, the BeamFailureRecoveryConfig carrying a second multi-PRACH transmission configuration configured within a dedicated RACH configuration. 【0079】 In one embodiment of the present disclosure, the step of sending a second multi-PRACH transmission setting to a terminal device is: The step of sending a dedicated random access configuration (RACH-ConfigDedicated) to a terminal device in response to a CBRA triggered by the addition or modification of a PScell, wherein the RACH-ConfigDedicated carries a second multi-PRACH transmission configuration configured within the dedicated RACH configuration. 【0080】 In one embodiment of the present disclosure, the step of sending a second multi-PRACH transmission setting to a terminal device is: A step of sending RACH-ConfigDedicated to a terminal device in response to a CBRA triggered by a switch, wherein the CBRA setting of RACH-ConfigDedicated carries a second multi-PRACH transmission setting. 【0081】 In one embodiment of the present disclosure, the step of sending a second multi-PRACH transmission setting to a terminal device is: A step of sending a feature combination RACH setting to a terminal device, wherein the feature combination RACH setting carries a second multi-PRACH transmission setting. 【0082】 In one embodiment of the present disclosure, the feature combination includes a Coverage Enhancement feature, wherein the Coverage Enhancement feature indicates a Coverage Enhancement feature that supports multi-PRACH transmission of CBRA. 【0083】 Accordingly, in the embodiments of the present disclosure, a multi-PRACH transmission configuration including a first multi-PRACH transmission configuration and / or a second multi-PRACH transmission configuration is transmitted to a terminal device, where the first multi-PRACH transmission configuration is used for a non-conflicting random access (CFRA) multi-PRACH transmission configuration, and the second multi-PRACH transmission configuration is used for a conflicting random access (CBRA) multi-PRACH transmission configuration, and the terminal device receives multi-PRACH transmissions of CFRA initiated based on the first multi-PRACH transmission configuration and / or multi-PRACH transmissions of CBRA initiated based on the second multi-PRACH transmission configuration. In the embodiments of the present disclosure, after transmitting the multi-PRACH transmission configuration to the terminal device, the terminal device can initiate multi-PRACH transmissions of CFRA and / or multi-PRACH transmissions of CBRA based on the multi-PRACH transmission configuration, thereby reducing the probability of random access failure. This disclosure provides a method for handling a situation called "multi-PRACH transmission configuration" so that network-side devices receive multi-PRACH transmissions of CFRA and / or CBRA initiated by terminal devices based on the multi-PRACH transmission configuration, thereby improving PRACH channel coverage. 【0084】 Figure 2 is a schematic flowchart of a multi-PRACH transmission setup method provided by an embodiment of the present disclosure, which is performed by a network-side device, and which may include the following steps 201-202 as shown in Figure 2. 【0085】 Step 201, in response to the CFRA triggered by PDCCH, the terminal device is sent a PDCCH order carrying the first multi-PRACH transmission configuration. 【0086】 Step 202, the terminal device receives the CFRA multi-PRACH transmission initiated based on the first multi-PRACH transmission setting. 【0087】 In one embodiment of this disclosure, the triggering mechanism for the CFRA is: Triggering via the Physical Downlink Control Channel (PDCCH), Triggered by switching, Triggered by beam failure recovery, This includes at least one of the following: a trigger caused by adding or modifying a PScell. 【0088】 Furthermore, the first multi-PRACH transmission setting is used solely to indicate the multi-PRACH transmission setting for non-conflicting random access (CFRA), and the first multi-PRACH transmission setting does not refer to a specific, fixed multi-PRACH transmission setting. For example, when the triggering method for CFRA changes, the first multi-PRACH transmission setting may change accordingly. 【0089】 Exemplary, in one embodiment of the present disclosure, if the triggering method for a CFRA is triggered by a PDCCH, the network-side device can send a PDCCH order to the terminal device in response to a CFRA triggered by a PDCCH. The PDCCH order carries a first multi-PRACH transmission setting, i.e., the PDCCH order carries a multi-PRACH transmission setting for the CFRA, so that the terminal device can initiate multi-PRACH transmission of the CFRA based on the first multi-PRACH transmission setting, and the network-side device can receive the multi-PRACH transmission of the CFRA initiated by the terminal device based on the first multi-PRACH transmission setting. 【0090】 As described above, in the embodiments of this disclosure, in response to a CFRA triggered by a PDCCH, a PDCCH order carrying a first multi-PRACH transmission setting is transmitted to a terminal device, and the terminal device receives a multi-PRACH transmission of the CFRA initiated based on the first multi-PRACH transmission setting. Specifically, in the embodiments of this disclosure, the first multi-PRACH transmission setting can be transmitted to the terminal device by transmitting the PDCCH order to the terminal device in response to a CFRA triggered by a PDCCH, thereby improving the accuracy of the transmission of the first multi-PRACH transmission setting. This disclosure provides a method for handling the situation of "multi-PRACH transmission setting" so that network-side devices receive multi-PRACH transmissions of CFRAs and / or CBRAs initiated by the terminal device based on the multi-PRACH transmission setting, thereby improving PRACH channel coverage. 【0091】 Figure 3 is a schematic flowchart of a multi-PRACH transmission setup method provided by an embodiment of the present disclosure, which is performed by a network-side device, and which may include the following steps 301-302, as shown in Figure 3. 【0092】 In step S301, in response to a CFRA triggered by a PScell ​​addition or modification, a dedicated random access configuration (RACH-ConfigDedicated) is sent to the terminal device, and the CFRA configuration of RACH-ConfigDedicated carries the first multi-PRACH transmission configuration. 【0093】 Step 302: The terminal device receives the multi-PRACH transmission of the CFRA, which was initiated based on the first multi-PRACH transmission setting. 【0094】 In one embodiment of this disclosure, the triggering mechanism of the CFRA is: Triggering via the Physical Downlink Control Channel (PDCCH), Triggered by switching, Triggered by beam failure recovery, This includes at least one of the following: a trigger caused by adding or modifying a PScell. 【0095】 Exemplary, in one embodiment of the present disclosure, if the triggering mechanism for a CFRA is triggered by the addition or modification of a PScell, the network-side device can send a RACH-ConfigDedicated to the terminal device in response to the CFRA triggered by the addition or modification of a PScell. The RACH-ConfigDedicated carries a first multi-PRACH transmission configuration, i.e., the multi-PRACH transmission configuration for the CFRA, so that the terminal device can initiate multi-PRACH transmission of the CFRA based on the first multi-PRACH transmission configuration, and the network-side device can receive multi-PRACH transmission of the CFRA initiated by the terminal device based on the first multi-PRACH transmission configuration. 【0096】 As described above, in the embodiments of the Disclosure, in response to a CFRA triggered by the addition or modification of a PScell, a dedicated random access configuration (RACH-ConfigDedicated) is sent to the terminal device, where the RACH-ConfigDedicated CFRA configuration carries a first multi-PRACH transmission configuration, and the terminal device receives multi-PRACH transmissions of CFRAs initiated based on the first multi-PRACH transmission configuration. Specifically, in the embodiments of the Disclosure, in response to a CFRA triggered by the addition or modification of a PScell, a RACH-ConfigDedicated corresponding to the trigger method can be sent to the terminal device, thereby enabling the transmission of a first multi-PRACH transmission configuration to the terminal device and improving the accuracy of the transmission of the first multi-PRACH transmission configuration. The Disclosure provides a method for handling the situation of "multi-PRACH transmission configuration" so that network-side devices receive multi-PRACH transmissions of CFRAs and / or multi-PRACH transmissions of CBRAs initiated by the terminal device based on the multi-PRACH transmission configuration, thereby improving PRACH channel coverage. 【0097】 Figure 4 is a schematic flowchart of a multi-PRACH transmission setup method provided by an embodiment of the present disclosure, the method being performed by a network-side device, and as shown in Figure 4, the method may include the following steps 401-402. 【0098】 Step 401, in response to the CFRA triggered by the switchover, RACH-ConfigDedicated is sent to the terminal device, where the CFRA configuration of RACH-ConfigDedicated carries the first multi-PRACH transmission configuration. 【0099】 Step 402: The terminal device receives the multi-PRACH transmission of the CFRA, which was initiated based on the first multi-PRACH transmission setting. 【0100】 In one embodiment of this disclosure, the triggering mechanism of the CFRA is: Triggering via the Physical Downlink Control Channel (PDCCH), Triggered by switching, Triggered by beam failure recovery, This includes at least one of the following: a trigger caused by adding or modifying a PScell. 【0101】 Exemplary, in one embodiment of the present disclosure, if the triggering mechanism for the CFRA is a switchover trigger, the network-side device can send a RACH-ConfigDedicated to the terminal device in response to the CFRA triggered by the switchover. The RACH-ConfigDedicated carries a first multi-PRACH transmission setting, i.e., the RACH-ConfigDedicated carries the multi-PRACH transmission setting for the CFRA, so that the terminal device can initiate multi-PRACH transmission of the CFRA based on the first multi-PRACH transmission setting, and the network-side device can receive multi-PRACH transmission of the CFRA initiated by the terminal device based on the first multi-PRACH transmission setting. 【0102】 As described above, in the embodiments of this disclosure, in response to a CFRA triggered by a switch, a RACH-ConfigDedicated is sent to the terminal device, where the CFRA setting of RACH-ConfigDedicated carries a first multi-PRACH transmission setting, and the terminal device receives the multi-PRACH transmission of the CFRA initiated based on the first multi-PRACH transmission setting. Specifically, in the embodiments of this disclosure, the first multi-PRACH transmission setting can be sent to the terminal device by sending a RACH-ConfigDedicated corresponding to the triggering method to the terminal device in response to a CFRA triggered by a switch, thereby improving the accuracy of the transmission of the first multi-PRACH transmission setting. This disclosure provides a method for handling the situation of "multi-PRACH transmission setting" so that network-side devices receive the multi-PRACH transmission of the CFRA and / or the multi-PRACH transmission of the CBRA initiated by the terminal device based on the multi-PRACH transmission setting, thereby improving PRACH channel coverage. 【0103】 Figure 5 is a schematic flowchart of a multi-PRACH transmission setup method provided by an embodiment of the present disclosure, which is performed by a network-side device, and which may include the following steps 501-502, as shown in Figure 5. 【0104】 Step 501, in response to a CFRA triggered by beam failure recovery, a beam failure recovery setting is sent to the terminal device, where the beam failure recovery setting carries the first multi-PRACH transmission setting. 【0105】 Step 502: The terminal device receives the multi-PRACH transmission of the CFRA, which was initiated based on the first multi-PRACH transmission setting. 【0106】 In one embodiment of this disclosure, the triggering mechanism of the CFRA is: Triggering via the Physical Downlink Control Channel (PDCCH), Triggered by switching, Triggered by beam failure recovery, This includes at least one of the following: a trigger caused by adding or modifying a PScell. 【0107】 In one embodiment of this disclosure, the beam failure recovery setting is: Beam Failure Recovery Config, Beam Failure Recovery Secondary Cell Configuration (BeamFailureRecoverySCellConfig), It includes at least one of the following: BeamFailureRecoveryServingCellConfig. 【0108】 Exemplary, in one embodiment of the present disclosure, if the triggering mechanism for the CFRA is triggered by beam failure recovery, the network-side device can send a beam failure recovery setting to the terminal device in response to the CFRA triggered by beam failure recovery. The beam failure recovery setting carries a first multi-PRACH transmission setting, i.e., the beam failure recovery setting carries the multi-PRACH transmission setting for the CFRA, so that the terminal device can initiate multi-PRACH transmission of the CFRA based on the first multi-PRACH transmission setting, and the network-side device can receive multi-PRACH transmission of the CFRA initiated by the terminal device based on the first multi-PRACH transmission setting. 【0109】 As described above, in the embodiments of the present disclosure, in response to a CFRA triggered by beam failure recovery, a beam failure recovery setting is transmitted to a terminal device, where the beam failure recovery setting carries a first multi-PRACH transmission setting, and the terminal device receives a multi-PRACH transmission of the CFRA initiated based on the first multi-PRACH transmission setting. Specifically, in the embodiments of the present disclosure, the first multi-PRACH transmission setting can be transmitted to the terminal device by transmitting a beam failure recovery setting corresponding to the triggering method to the terminal device in response to a CFRA triggered by beam failure recovery, thereby improving the accuracy of the transmission of the first multi-PRACH transmission setting. The present disclosure provides a method for processing the situation of "multi-PRACH transmission setting" so that network-side devices receive multi-PRACH transmissions of CFRAs and / or CBRAs initiated by the terminal device based on the multi-PRACH transmission setting, thereby improving PRACH channel coverage. 【0110】 Figure 6 is a schematic flowchart of a multi-PRACH transmission setup method provided by an embodiment of the present disclosure, which is performed by a network-side device, and which may include the following steps 601-602, as shown in Figure 6. 【0111】 Step 601: Send a second multi-PRACH transmission configuration to the terminal device via broadcast signaling or dedicated signaling. 【0112】 Step 602: The terminal device receives the CBRA multi-PRACH transmission initiated based on the second multi-PRACH transmission setting. 【0113】 In one embodiment of the present disclosure, the second multi-PRACH transmission setting is used solely to indicate the multi-PRACH transmission setting of the CBRA, and the second multi-PRACH transmission setting does not refer to a specific fixed multi-PRACH transmission setting. For example, when the triggering method of the CFRA changes, the second multi-PRACH transmission setting may change accordingly. 【0114】 Furthermore, in one embodiment of the present disclosure, broadcast signaling includes system information block 1 (SIB1). 【0115】 In one embodiment of this disclosure, dedicated signaling is provided. The Wireless Resource Control (RRC) Reconfiguration message, RRC Recovery (RRCResume) message and, RRC release message and The RRC setup message includes at least one of the following: 【0116】 As described above, in the embodiments of the Disclosure, a second multi-PRACH transmission setting is transmitted to a terminal device via broadcast signaling or dedicated signaling, and the terminal device receives multi-PRACH transmissions of CBRA initiated based on the second multi-PRACH transmission setting. Specifically, in the embodiments of the Disclosure, the accuracy of transmitting the second multi-PRACH transmission setting can be improved by transmitting the second multi-PRACH transmission setting to the terminal device via broadcast signaling or dedicated signaling. The Disclosure provides a method for handling the situation of "multi-PRACH transmission setting" so that network-side devices receive multi-PRACH transmissions of CFRA and / or CBRA initiated by the terminal device based on the multi-PRACH transmission setting, thereby improving PRACH channel coverage. 【0117】 Figure 7 is a schematic flowchart of a multi-PRACH transmission setup method provided by an embodiment of the present disclosure, the method being performed by a network-side device, and as shown in Figure 7, the method may include the following steps 701-702. 【0118】 Step 701 ,La The RACH configuration is sent to the terminal device, where the RACH configuration also carries a second multi-RACH transmission configuration. 【0119】 Step 702: The terminal device receives the CBRA multi-PRACH transmission initiated based on the second multi-PRACH transmission setting. 【0120】 In one embodiment of the present disclosure, the RACH configuration includes a common RACH resource configured individually for each bandwidth portion. 【0121】 In one embodiment of this disclosure, when a network-side device sends RACH settings to a terminal device, it can also send a first random access common setting (RACH-ConfigCommon) in the initial BWP settings of SIB1 to the terminal device, where the RACH settings are carried in the first RACH-ConfigCommon. 【0122】 For illustrative purposes, the "1" in the first RACH-ConfigCommon is used solely to distinguish it from the second RACH-ConfigCommon, and the first RACH-ConfigCommon is used solely to indicate the RACH-ConfigCommon in the initial BWP configuration of SIB1. 【0123】 Furthermore, in one embodiment of the present disclosure, when the network-side device sends the RACH configuration to the terminal device, it can send a second RACH-ConfigCommon of the BWP configuration in the RRCReconfiguration message to the terminal device, where the RACH configuration is carried in the second RACH-ConfigCommon. 【0124】 For illustrative purposes, the "2" in "2nd RACH-ConfigCommon" is used solely to distinguish it from the "1st RACH-ConfigCommon," and this "2nd RACH-ConfigCommon" is used solely to indicate the RACH-ConfigCommon for the BWP configuration in the RRCReconfiguration message. 【0125】 As described above, in the embodiments of this disclosure, a RACH setting is transmitted to a terminal device, where the RACH setting carries a second multi-PRACH transmission setting, and the terminal device receives a CBRA multi-PRACH transmission initiated based on the second multi-PRACH transmission setting. Specifically, in the embodiments of this disclosure, the second multi-PRACH transmission setting can be transmitted to the terminal device by transmitting the RACH setting to the terminal device, thereby improving the accuracy of the transmission of the second multi-PRACH transmission setting. This disclosure provides a method for handling the situation of "multi-PRACH transmission setting" so that network-side devices receive CFRA multi-PRACH transmissions and / or CBRA multi-PRACH transmissions initiated by the terminal device based on the multi-PRACH transmission setting, thereby improving PRACH channel coverage. 【0126】 Figure 8 is a schematic flowchart of a multi-PRACH transmission setup method provided by an embodiment of the present disclosure, which is performed by a network-side device, and which may include the following steps 801-802, as shown in Figure 8. 【0127】 Step 801: The dedicated RACH configuration is sent to the terminal device, where the dedicated RACH configuration also carries the second multi-PRACH transmission configuration. 【0128】 Step 802: The terminal device receives the CBRA multi-PRACH transmission initiated based on the second multi-PRACH transmission setting. 【0129】 In one embodiment of this disclosure, the step of sending a dedicated RACH setting to a terminal device is: The step of sending a BeamFailureRecoveryConfig to a terminal device in response to a CBRA triggered by beam failure recovery, wherein the BeamFailureRecoveryConfig carries a second multi-PRACH transmission configuration configured within a dedicated RACH configuration. 【0130】 In one embodiment of the present disclosure, when a network-side device sends a second multi-PRACH transmission configuration to a terminal device, it may send a dedicated random access configuration (RACH-ConfigDedicated) to the terminal device in response to a CBRA triggered by a PScell ​​addition or modification, where RACH-ConfigDedicated carries the second multi-PRACH transmission configuration configured within the dedicated RACH configuration. 【0131】 In one embodiment of the present disclosure, when a network-side device sends a second multi-PRACH transmission configuration to a terminal device, it can send RACH-ConfigDedicated to the terminal device in response to a CBRA triggered by a switch, where the CBRA configuration of RACH-ConfigDedicated carries the second multi-PRACH transmission configuration. 【0132】 In one embodiment of the present disclosure, when a network-side device sends a second multi-PRACH transmission setting to a terminal device, it can also send a feature combination RACH setting to the terminal device, where the second multi-PRACH transmission setting is carried in the feature combination RACH setting. 【0133】 In one embodiment of the present disclosure, the feature combination includes a Coverage Enhancement feature, wherein the Coverage Enhancement feature indicates a Coverage Enhancement feature that supports multi-PRACH transmission of CBRA. 【0134】 For example, a feature combination is: Coverage Enhancement, Reduced capability (RedCap), Small Data Transmission (SDT) and It includes at least one of the following: Slice, and 【0135】 As described above, in the embodiments of this disclosure, a dedicated RACH setting carrying a second multi-PRACH transmission setting is transmitted to a terminal device, and the terminal device receives the CBRA multi-PRACH transmission initiated based on the second multi-PRACH transmission setting. Specifically, in the embodiments of this disclosure, the second multi-PRACH transmission setting can be transmitted to the terminal device by transmitting the dedicated RACH setting to the terminal device, thereby improving the accuracy of the transmission of the second multi-PRACH transmission setting. This disclosure provides a processing method for the situation of "multi-PRACH transmission setting" so that network-side devices receive the CFRA multi-PRACH transmission and / or CBRA multi-PRACH transmission initiated by the terminal device based on the multi-PRACH transmission setting, thereby improving PRACH channel coverage. 【0136】 Figure 9 is a schematic flowchart of a multi-PRACH transmission setup method provided by an embodiment of the present disclosure, the method being performed by a terminal device, and as shown in Figure 9, the method may include the following steps 901-902. 【0137】 Step 901, the network-side device receives a multi-PRACH transmission setting, which includes a first multi-PRACH transmission setting and / or a second multi-PRACH transmission setting, where the first multi-PRACH transmission setting is used for the CFRA multi-PRACH transmission setting and the second multi-PRACH transmission setting is used for the CBRA multi-PRACH transmission setting. 【0138】 Step 902: Send the CFRA multi-PRACH transmission initiated based on the first multi-PRACH transmission setting and / or the CBRA multi-PRACH transmission initiated based on the second multi-PRACH transmission setting to the network-side device. 【0139】 In one embodiment of this disclosure, the triggering mechanism of the CFRA is: Triggering via the Physical Downlink Control Channel (PDCCH), Triggered by switching, Triggered by beam failure recovery, This includes at least one of the following: a trigger caused by adding or modifying a PScell. 【0140】 Furthermore, in one embodiment of the present disclosure, the step of receiving a multi-PRACH transmission setting transmitted from a network-side device is: The step of receiving a PDCCH order transmitted from a network-side device in response to a CFRA triggered by a PDCCH, the PDCCH order carrying a first multi-PRACH transmission setting. 【0141】 Exemplary, in one embodiment of the present disclosure, the step of receiving a multi-PRACH transmission setting transmitted from a network-side device is: The step of receiving a RACH-ConfigDedicated sent from a network-side device in response to a CFRA triggered by the addition or modification of a PScell, wherein the CFRA setting of the RACH-ConfigDedicated carries a first multi-PRACH transmission setting. 【0142】 Furthermore, in one embodiment of the present disclosure, the step of receiving a multi-PRACH transmission setting transmitted from a network-side device is: The step of receiving a RACH-ConfigDedicated sent from a network-side device in response to a CFRA triggered by a switchover, wherein the CFRA setting of the RACH-ConfigDedicated carries a first multi-PRACH transmission setting. 【0143】 In one embodiment of the present disclosure, the step of receiving a multi-PRACH transmission setting transmitted from a network-side device is: The step of receiving a beam failure recovery setting transmitted from a network-side device in response to a CFRA triggered by beam failure recovery, the beam failure recovery setting carrying a first multi-PRACH transmission setting. 【0144】 In one embodiment of this disclosure, the beam failure recovery setting is: Beam Failure Recovery Config, Beam Failure Recovery Secondary Cell Configuration (BeamFailureRecoverySCellConfig), It includes at least one of the following: BeamFailureRecoveryServingCellConfig. 【0145】 In one embodiment of the present disclosure, the step of receiving a multi-PRACH transmission setting transmitted from a network-side device is: The process includes receiving a second multi-PRACH transmission configuration transmitted from a network-side device via broadcast signaling or dedicated signaling. 【0146】 In one embodiment of the present disclosure, broadcast signaling includes a system information block 1 (SIB1). 【0147】 In one embodiment of this disclosure, dedicated signaling is provided. The Wireless Resource Control (RRC) Reconfiguration message, RRC Recovery (RRCResume) message and, RRC release message and The RRC setup message includes at least one of the following: 【0148】 In one embodiment of the present disclosure, the step of receiving a second multi-PRACH transmission setting transmitted from a network-side device is: The step of receiving a RACH configuration sent from a network-side device, the RACH configuration includes a second multi-PRACH transmission configuration. 【0149】 In one embodiment of the present disclosure, the RACH configuration includes a common RACH resource configured individually for each bandwidth portion. 【0150】 In one embodiment of the present disclosure, the step of receiving a second multi-PRACH transmission setting transmitted from a network-side device is: The step of receiving a first RACH-ConfigCommon in the initial BWP configuration of SIB1 sent from a network-side device, the first RACH-ConfigCommon containing the RACH configuration. 【0151】 In one embodiment of the present disclosure, the step of receiving a second multi-PRACH transmission setting transmitted from a network-side device is: The step of receiving a second RACH-ConfigCommon of the BWP configuration in the RRCReconfiguration message sent from a network-side device, the second RACH-ConfigCommon containing the RACH configuration. 【0152】 In one embodiment of the present disclosure, the step of receiving a second multi-PRACH transmission setting transmitted from a network-side device is: The step of receiving a dedicated RACH setting sent from a network-side device, the dedicated RACH setting carrying a second multi-PRACH transmission setting. 【0153】 In one embodiment of the present disclosure, the step of receiving a second multi-PRACH transmission setting transmitted from a network-side device is: The step of receiving a BeamFailureRecoveryConfig transmitted from a network-side device in response to a CBRA triggered by beam failure recovery includes the step of receiving a BeamFailureRecoveryConfig which carries a second multi-PRACH transmission configuration configured within a dedicated RACH configuration. 【0154】 In one embodiment of the present disclosure, the step of receiving a second multi-PRACH transmission setting transmitted from a network-side device is: The step of receiving a RACH-ConfigDedicated sent from a network-side device in response to a CBRA triggered by the addition or modification of a PScell, the RACH-ConfigDedicated carrying a second multi-PRACH transmission configuration configured within a dedicated RACH configuration. 【0155】 In one embodiment of the present disclosure, the step of receiving a second multi-PRACH transmission setting transmitted from a network-side device is: The step of receiving a RACH-ConfigDedicated sent from a network-side device in response to a CBRA triggered by a switchover, wherein the CBRA setting of the RACH-ConfigDedicated carries a second multi-PRACH transmission setting. 【0156】 In one embodiment of the present disclosure, the step of receiving a second multi-PRACH transmission setting transmitted from a network-side device is: The step of receiving the RACH setting of a feature combination sent from a network-side device, the RACH setting of the feature combination includes a second multi-PRACH transmission setting. 【0157】 In one embodiment of the present disclosure, the feature combination includes a Coverage Enhancement feature, wherein the Coverage Enhancement feature indicates a Coverage Enhancement feature that supports multi-PRACH transmission of CBRA. 【0158】 Accordingly, in the embodiments of this disclosure, a multi-PRACH transmission setting is received from a network-side device, and the multi-PRACH transmission setting includes a first multi-PRACH transmission setting and / or a second multi-PRACH transmission setting, where the first multi-PRACH transmission setting is used for the CFRA multi-PRACH transmission setting and the second multi-PRACH transmission setting is used for the CBRA multi-PRACH transmission setting, and the multi-PRACH transmission of the CFRA initiated based on the first multi-PRACH transmission setting and / or the multi-PRACH transmission of the CBRA initiated based on the second multi-PRACH transmission setting are transmitted to the network-side device. In the embodiments of this disclosure, the terminal device can initiate the multi-PRACH transmission of the CFRA and / or the multi-PRACH transmission of the CBRA based on the received multi-PRACH transmission setting, thereby reducing the probability of random access failure. This disclosure provides a method for handling a situation called "multi-PRACH transmission configuration" so that network-side devices receive multi-PRACH transmissions of CFRA and / or CBRA initiated by terminal devices based on the multi-PRACH transmission configuration, thereby improving PRACH channel coverage. 【0159】 Figure 10 is a schematic flowchart of a multi-PRACH transmission setup method provided by an embodiment of the present disclosure, the method being performed by a terminal device, and as shown in Figure 10, the method may include the following steps 1001 to 1002. 【0160】 Step 1001: In response to a CFRA triggered by PDCCH, a PDCCH order is received from the network-side device, where the PDCCH order carries a first multi-PRACH transmission configuration. 【0161】 Step 1002: Send the CFRA multi-PRACH transmission initiated based on the first multi-PRACH transmission configuration to the network-side device. 【0162】 For further details regarding steps 1001 to 1002, please refer to the description of the embodiments above, and a detailed description of the embodiments of this disclosure is omitted here. 【0163】 As described above, in the embodiments of the Disclosure, in response to a CFRA triggered by a PDCCH, a PDCCH order is received from a network-side device, where the PDCCH order carries a first multi-PRACH transmission setting, and a multi-PRACH transmission of the CFRA initiated based on the first multi-PRACH transmission setting is sent to the network-side device. Specifically, in the embodiments of the Disclosure, in response to a CFRA triggered by a PDCCH, a multi-PRACH of the CFRA initiated based on a first multi-PRACH transmission setting carried by a PDCCH order can be sent to the network-side device, improving the accuracy of the transmission of the multi-PRACH transmission of the CFRA. The Disclosure provides a method for handling the situation of "multi-PRACH transmission setting" so that the network-side device receives the multi-PRACH transmission of the CFRA and / or the multi-PRACH transmission of the CBRA initiated by the terminal device based on the multi-PRACH transmission setting, thereby improving PRACH channel coverage. 【0164】 Figure 11 is a schematic flowchart of a multi-PRACH transmission setup method provided by an embodiment of the present disclosure, the method being performed by a terminal device, and as shown in Figure 11, the method may include the following steps 1101-1102. 【0165】 Step 1101, in response to a CFRA triggered by a PScell ​​addition or modification, the RACH-ConfigDedicated sent from the network-side device is received, where the CFRA configuration of RACH-ConfigDedicated carries the first multi-PRACH transmission configuration. 【0166】 Step 1102: Send the CFRA multi-PRACH transmission initiated based on the first multi-PRACH transmission configuration to the network-side device. 【0167】 For further details regarding steps 1101 to 1102, please refer to the description of the embodiments above, and a detailed description of the embodiments of this disclosure is omitted here. 【0168】 As described above, in the embodiments of the Disclosure, in response to a CFRA triggered by the addition or modification of a PScell, a RACH-ConfigDedicated sent from a network-side device is received, where the CFRA configuration of RACH-ConfigDedicated carries a first multi-PRACH transmission configuration, and a multi-PRACH transmission of the CFRA initiated based on the first multi-PRACH transmission configuration is sent to the network-side device. Specifically, in the embodiments of the Disclosure, in response to a CFRA triggered by the addition or modification of a PScell, a multi-PRACH transmission of the CFRA initiated based on the first multi-PRACH transmission configuration carried by the CFRA configuration of RACH-ConfigDedicated can be sent to the network-side device, improving the accuracy of the transmission of the multi-PRACH transmission of the CFRA. The Disclosure provides a method for handling the situation of "multi-PRACH transmission configuration" so that the network-side device receives the multi-PRACH transmission of the CFRA and / or the multi-PRACH transmission of the CBRA initiated by the terminal device based on the multi-PRACH transmission configuration, thereby improving PRACH channel coverage. 【0169】 Figure 12 is a schematic flowchart of a multi-PRACH transmission setup method provided by an embodiment of the present disclosure, which is performed by a terminal device and may include the following steps, as shown in Figure 12. 【0170】 Step 1201, in response to the CFRA triggered by the switchover, the RACH-ConfigDedicated sent from the network-side device is received, where the CFRA configuration of RACH-ConfigDedicated carries the first multi-PRACH transmission configuration. 【0171】 Step 1202: Send the CFRA multi-PRACH transmission initiated based on the first multi-PRACH transmission configuration to the network-side device. 【0172】 For further details regarding steps 1201 to 1202, please refer to the description of the embodiments above, and a detailed description of the embodiments of this disclosure is omitted here. 【0173】 As described above, in the embodiments of the Disclosure, in response to a CFRA triggered by a switch, the terminal device receives a RACH-ConfigDedicated sent from the network-side device, where the RACH-ConfigDedicated CFRA configuration carries a first multi-PRACH transmission configuration, and transmits a multi-PRACH transmission of the CFRA initiated based on the first multi-PRACH transmission configuration to the network-side device. Specifically, in the embodiments of the Disclosure, in response to a CFRA triggered by a switch, the terminal device can transmit a multi-PRACH transmission of the CFRA initiated based on a first multi-PRACH transmission configuration carried by the RACH-ConfigDedicated CFRA configuration to the network-side device, thereby improving the accuracy of the multi-PRACH transmission of the CFRA. The Disclosure provides a method for handling the situation of "multi-PRACH transmission configuration" so that the network-side device receives a multi-PRACH transmission of the CFRA and / or a multi-PRACH transmission of the CBRA initiated by the terminal device based on the multi-PRACH transmission configuration, thereby improving PRACH channel coverage. 【0174】 Figure 13 is a schematic flowchart of a multi-PRACH transmission setup method provided by an embodiment of the present disclosure, the method being performed by a terminal device, and as shown in Figure 13, the method may include the following steps 1301 to 1302. 【0175】 Step 1301, in response to a CFRA triggered by beam failure recovery, the beam failure recovery setting sent from the network-side device is received, where the beam failure recovery setting carries the first multi-PRACH transmission setting. 【0176】 Step 1302: Send the CFRA multi-PRACH transmission initiated based on the first multi-PRACH transmission configuration to the network-side device. 【0177】 In one embodiment of this disclosure, the beam failure recovery setting is: Beam Failure Recovery Config, Beam Failure Recovery Secondary Cell Configuration (BeamFailureRecoverySCellConfig), It includes at least one of the following: BeamFailureRecoveryServingCellConfig. 【0178】 For further details regarding steps 1301 to 1302, please refer to the description of the embodiments above, and a detailed description of the embodiments of this disclosure is omitted here. 【0179】 As described above, in the embodiments of the Disclosure, in response to a CFRA triggered by beam failure recovery, the terminal device receives a beam failure recovery setting transmitted from the network-side device, where the beam failure recovery setting carries a first multi-PRACH transmission setting, and transmits a multi-PRACH transmission of the CFRA initiated based on the first multi-PRACH transmission setting to the network-side device. Specifically, in the embodiments of the Disclosure, in response to a CFRA triggered by beam failure recovery, the terminal device can transmit a multi-PRACH transmission of the CFRA initiated based on a first multi-PRACH transmission setting carried by the beam failure recovery setting to the network-side device, thereby improving the accuracy of the multi-PRACH transmission of the CFRA. The Disclosure provides a method for handling the situation of "multi-PRACH transmission setting" so that the network-side device receives a multi-PRACH transmission of the CFRA and / or a multi-PRACH transmission of the CBRA initiated by the terminal device based on the multi-PRACH transmission setting, thereby improving PRACH channel coverage. 【0180】 Figure 14 is a schematic flowchart of a multi-PRACH transmission setup method provided by an embodiment of the present disclosure, the method being performed by a terminal device, and as shown in Figure 14, the method may include the following steps 1401-1402. 【0181】 Step 1401: Receive a second multi-PRACH transmission configuration sent from the network-side device via broadcast signaling or dedicated signaling. 【0182】 Step 1402: Send the CBRA multi-PRACH transmission initiated based on the second multi-PRACH transmission configuration to the network-side device. 【0183】 In one embodiment of the present disclosure, broadcast signaling includes a system information block 1 (SIB1). 【0184】 In one embodiment of this disclosure, dedicated signaling is provided. The Wireless Resource Control (RRC) Reconfiguration message, RRC Recovery (RRCResume) message and, RRC release message and The RRC setup message includes at least one of the following: 【0185】 For further details regarding steps 1401 to 1402, please refer to the description of the embodiments above, and the embodiments of this disclosure will not be described in detail here. 【0186】 As described above, the embodiments of this disclosure receive a second multi-PRACH transmission setting transmitted from a network-side device via broadcast signaling or dedicated signaling, and transmit a CBRA multi-PRACH transmission initiated based on the second multi-PRACH transmission setting to the network-side device. Specifically, the embodiments of this disclosure can receive a second multi-PRACH transmission setting transmitted from a network-side device via broadcast signaling or dedicated signaling, improve the accuracy of the transmission of the second multi-PRACH transmission setting, and improve the accuracy of the CBRA multi-PRACH transmission initiated based on the second multi-PRACH transmission setting. The disclosure provides a processing method for the situation of "multi-PRACH transmission setting" so that the network-side device receives a CFRA multi-PRACH transmission and / or a CBRA multi-PRACH transmission initiated by the terminal device based on the multi-PRACH transmission setting, thereby improving PRACH channel coverage. 【0187】 Figure 15 is a schematic flowchart of a multi-PRACH transmission setup method provided by an embodiment of the present disclosure, which is performed by a terminal device, and which may include the following steps 1501-1502, as shown in Figure 15. 【0188】 Step 1501: The RACH configuration sent from the network-side device is received, and here the RACH configuration carries a second multi-PRACH transmission configuration. 【0189】 Step 1502: Send the CBRA multi-PRACH transmission initiated based on the second multi-PRACH transmission configuration to the network-side device. 【0190】 In one embodiment of the present disclosure, the RACH configuration includes a common RACH resource configured individually for each bandwidth portion. 【0191】 In one embodiment of the present disclosure, the step of receiving a second multi-PRACH transmission setting transmitted from a network-side device is: The step of receiving a first RACH-ConfigCommon in the initial BWP configuration of SIB1 sent from a network-side device, the first RACH-ConfigCommon containing the RACH configuration. 【0192】 In one embodiment of the present disclosure, the step of receiving a second multi-PRACH transmission setting transmitted from a network-side device is: The step of receiving a second RACH-ConfigCommon of the BWP configuration in the RRCReconfiguration message sent from a network-side device, the second RACH-ConfigCommon containing the RACH configuration. 【0193】 For further details regarding steps 1501 to 1502, please refer to the description of the embodiments above, and a detailed description of the embodiments of this disclosure is omitted here. 【0194】 As described above, in the embodiments of this disclosure, a RACH setting is received from a network-side device, where the RACH setting carries a second multi-PRACH transmission setting, and a multi-PRACH transmission of CBRA initiated based on the second multi-PRACH transmission setting is sent to the network-side device. Specifically, in the embodiments of this disclosure, the RACH setting is sent to a terminal device, thereby the terminal device can send a multi-PRACH transmission of CBRA initiated based on the second multi-PRACH transmission setting carried in the RACH setting to the network-side device, thereby improving the accuracy of the transmission of the second multi-PRACH transmission setting. This disclosure provides a method for handling the situation of "multi-PRACH transmission setting" so that the network-side device receives a multi-PRACH transmission of CFRA and / or a multi-PRACH transmission of CBRA initiated by the terminal device based on the multi-PRACH transmission setting, thereby improving PRACH channel coverage. 【0195】 Figure 16 is a schematic flowchart of a multi-PRACH transmission setup method provided by an embodiment of the present disclosure, which is performed by a terminal device, and which may include the following steps 1601 to 1062, as shown in Figure 16. 【0196】 Step 1601: The dedicated RACH configuration sent from the network-side device is received, and here the dedicated RACH configuration carries the second multi-PRACH transmission configuration. 【0197】 Step 1602: Send the CBRA multi-PRACH transmission initiated based on the second multi-PRACH transmission configuration to the network-side device. 【0198】 In one embodiment of the present disclosure, the step of receiving a second multi-PRACH transmission setting transmitted from a network-side device is: The step of receiving a BeamFailureRecoveryConfig transmitted from a network-side device in response to a CBRA triggered by beam failure recovery includes the step of receiving a BeamFailureRecoveryConfig which carries a second multi-PRACH transmission configuration configured within a dedicated RACH configuration. 【0199】 In one embodiment of the present disclosure, the step of receiving a second multi-PRACH transmission setting transmitted from a network-side device is: The step of receiving a RACH-ConfigDedicated sent from a network-side device in response to a CBRA triggered by the addition or modification of a PScell, the RACH-ConfigDedicated carrying a second multi-PRACH transmission configuration configured within a dedicated RACH configuration. 【0200】 In one embodiment of the present disclosure, the step of receiving a second multi-PRACH transmission setting transmitted from a network-side device is: The step involves receiving a RACH-ConfigDedicated sent from a network-side device in response to a CBRA triggered by a switch, wherein the CBRA setting of the RACH-ConfigDedicated carries a second multi-PRACH transmission setting. 【0201】 In one embodiment of the present disclosure, the step of receiving a second multi-PRACH transmission setting transmitted from a network-side device is: The step of receiving the RACH setting of a feature combination sent from a network-side device, the RACH setting of the feature combination includes a second multi-PRACH transmission setting. 【0202】 In one embodiment of the present disclosure, the feature combination includes a Coverage Enhancement feature, which points to a Coverage Enhancement feature that supports multi-PRACH transmission of CBRA. 【0203】 For further details regarding steps 1601 to 1602, please refer to the description of the embodiments above, and a detailed description of the embodiments of this disclosure is omitted here. 【0204】 As described above, in the embodiments of this disclosure, a dedicated RACH setting is received from a network-side device, where a second multi-PRACH transmission setting is carried in the dedicated RACH setting, and a multi-PRACH transmission of CBRA initiated based on the second multi-PRACH transmission setting is sent to the network-side device. Specifically in the embodiments of this disclosure, upon receiving a dedicated RACH setting from a network-side device, the terminal device sends a multi-PRACH transmission of CBRA initiated based on the second multi-PRACH transmission setting carried in the dedicated RACH setting to the network-side device, thereby improving the accuracy of the transmission of the second multi-PRACH transmission setting. This disclosure provides a processing method for the situation of "multi-PRACH transmission setting" so that the network-side device receives a multi-PRACH transmission of CFRA and / or a multi-PRACH transmission of CBRA initiated by the terminal device based on the multi-PRACH transmission setting, thereby improving PRACH channel coverage. 【0205】 Figure 17 is a schematic configuration diagram of a multi-PRACH transmission setting device provided by an embodiment of the present disclosure, and as shown in Figure 17, the device 1700 is A transmission module 1701 for transmitting a multi-PRACH transmission setting, including a first multi-PRACH transmission setting and / or a second multi-PRACH transmission setting, to a terminal device, wherein the first multi-PRACH transmission setting is used for a non-conflicting random access (CFRA) multi-PRACH transmission setting, and the second multi-PRACH transmission setting is used for a conflicting random access (CBRA) multi-PRACH transmission setting, wherein the first multi-PRACH transmission setting is used for a CFRA multi-PRACH transmission setting, and the second multi-PRACH transmission setting is used for a CBRA multi-PRACH transmission setting, The terminal device may also include a receiving module 1702 for receiving multi-PRACH transmissions of CFRA initiated based on the first multi-PRACH transmission setting and / or multi-PRACH transmissions of CBRA initiated based on the second multi-PRACH transmission setting. 【0206】 As described above, the multi-PRACH transmission setting device of the embodiment of the present disclosure can transmit a multi-PRACH transmission setting to a terminal device via a transmitting module, and the receiving module can receive multi-PRACH transmission of CFRA initiated by the terminal device based on the first multi-PRACH transmission setting and / or multi-PRACH transmission of CBRA initiated based on the second multi-PRACH transmission setting. In the embodiment of the present disclosure, after transmitting a multi-PRACH transmission setting to a terminal device, the terminal device can initiate multi-PRACH transmission of CFRA and / or multi-PRACH transmission of CBRA based on the multi-PRACH transmission setting, thereby reducing the probability of random access failure. The present disclosure provides a method for handling the situation of "multi-PRACH transmission setting" so that a network-side device receives multi-PRACH transmission of CFRA and / or multi-PRACH transmission of CBRA initiated by the multi-PRACH transmission setting device based on the multi-PRACH transmission setting, thereby improving PRACH channel coverage. 【0207】 Next, in one embodiment of the present disclosure, the triggering method for the CFRA is: Triggering via the Physical Downlink Control Channel (PDCCH), Triggered by switching, Triggered by beam failure recovery, This includes at least one of the following: a trigger caused by adding or modifying a PScell. 【0208】 In one embodiment of this disclosure, when the transmission module 1701 transmits a multi-PRACH transmission setting to a terminal device, specifically, In response to a CFRA triggered by PDCCH, the PDCCH order carrying the first multi-PRACH transmission configuration is sent to the terminal device. 【0209】 In one embodiment of this disclosure, when the transmission module 1701 transmits a multi-PRACH transmission setting to a terminal device, specifically, In response to a CFRA triggered by a PScell ​​addition or modification, a dedicated random access configuration (RACH-ConfigDedicated) is sent to the terminal device, where the RACH-ConfigDedicated CFRA configuration carries the first multi-PRACH transmission configuration. 【0210】 In one embodiment of this disclosure, when the transmission module 1701 transmits a multi-PRACH transmission setting to a terminal device, specifically, In response to the CFRA triggered by the switch, RACH-ConfigDedicated is sent to the terminal device, where the CFRA configuration of RACH-ConfigDedicated carries the first multi-PRACH transmission configuration. 【0211】 In one embodiment of this disclosure, when the transmission module 1701 transmits a multi-PRACH transmission setting to a terminal device, specifically, In response to a CFRA triggered by beam failure recovery, a beam failure recovery setting is sent to the terminal device, where the beam failure recovery setting carries the first multi-PRACH transmission setting. 【0212】 In one embodiment of this disclosure, the beam failure recovery setting is: Beam Failure Recovery Config, Beam Failure Recovery Secondary Cell Configuration (BeamFailureRecoverySCellConfig), It includes at least one of the following: BeamFailureRecoveryServingCellConfig. 【0213】 In one embodiment of this disclosure, when the transmission module 1701 transmits a multi-PRACH transmission setting to a terminal device, specifically, The second multi-PRACH transmission configuration is sent to the terminal device via broadcast signaling or dedicated signaling. 【0214】 In one embodiment of the present disclosure, broadcast signaling includes a system information block 1 (SIB1). 【0215】 In one embodiment of this disclosure, dedicated signaling is provided. The Wireless Resource Control (RRC) Reconfiguration message, RRC Recovery (RRCResume) message and, RRC release message and The RRC setup message includes at least one of the following: 【0216】 In one embodiment of the present disclosure, when the transmitting module 1701 transmits a second multi-PRACH transmission setting to a terminal device, specifically, LaTransmit the random access channel (RACH) configuration to the terminal device, where the RACH configuration carries a second multi-PRACH transmission configuration. 【0217】 In one embodiment of the present disclosure, the RACH configuration includes a common RACH resource individually configured in each bandwidth part. 【0218】 In one embodiment of the present disclosure, when the transmission module 1701 transmits the RACH configuration to the terminal device, specifically, Transmit the first random access common configuration (RACH-ConfigCommon) in the initial BWP configuration of SIB1 to the terminal device, where the RACH configuration is carried in the first RACH-ConfigCommon. 【0219】 In one embodiment of the present disclosure, when the transmission module 1701 transmits the RACH configuration to the terminal device, specifically, Transmit the second RACH-ConfigCommon in the BWP configuration of the RRCReconfiguration message to the terminal device, where the RACH configuration is carried in the second RACH-ConfigCommon. 【0220】 In one embodiment of the present disclosure, when the transmission module 1701 transmits the second multi-PRACH transmission configuration to the terminal device, specifically, Transmit the dedicated RACH configuration to the terminal device, where the dedicated RACH configuration carries the second multi-PRACH transmission configuration. 【0221】 In one embodiment of the present disclosure, when the transmission module 1701 transmits the dedicated RACH configuration to the terminal device, specifically, In response to the CBRA triggered by beam failure recovery, transmit the beam failure recovery configuration (BeamFailureRecoveryConfig) to the terminal device, where the second multi-PRACH transmission configuration set within the dedicated RACH configuration is carried in the BeamFailureRecoveryConfig. 【0222】 In one embodiment of the present disclosure, when the transmission module 1701 transmits the second multi-PRACH transmission setting to the terminal device, specifically, in response to the CBRA triggered by the PS cell addition or change, it transmits the dedicated random access setting (RACH-ConfigDedicated) to the terminal device, where the second multi-PRACH transmission setting configured within the dedicated RACH setting is carried in the RACH-ConfigDedicated. 【0223】 In one embodiment of the present disclosure, when the transmission module 1701 transmits the second multi-PRACH transmission setting to the terminal device, specifically, in response to the CBRA triggered by the handover, it transmits the RACH-ConfigDedicated to the terminal device, where the second multi-PRACH transmission setting is carried in the CBRA setting of the RACH-ConfigDedicated. 【0224】 In one embodiment of the present disclosure, when the transmission module 1701 transmits the second multi-PRACH transmission setting to the terminal device, specifically, it transmits the RACH setting of the feature combination to the terminal device, where the second multi-PRACH transmission setting is carried in the RACH setting of the feature combination. 【0225】 In one embodiment of the present disclosure, the feature combination includes a coverage enhancement feature (Coverage Enhancement feature), where the Coverage Enhancement feature indicates the Coverage Enhancement feature that supports the multi-PRACH transmission of the CBRA. 【0226】 FIG. 18 is a schematic configuration diagram of a multi-PRACH transmission setting device provided by an embodiment of the present disclosure. As shown in FIG. 18, the device 1800 includes A receiving module 1801 for receiving multi-PRACH transmission settings transmitted from a network-side device, wherein the multi-PRACH transmission settings include a first multi-PRACH transmission setting and / or a second multi-PRACH transmission setting, the first multi-PRACH transmission setting is used for the CFRA multi-PRACH transmission setting, and the second multi-PRACH transmission setting is used for the CBRA multi-PRACH transmission setting, The system may also include a transmission module 1802 for transmitting multi-PRACH transmissions of CFRA initiated based on a first multi-PRACH transmission configuration and / or multi-PRACH transmissions of CBRA initiated based on a second multi-PRACH transmission configuration to a network-side device. 【0227】 As described above, the multi-PRACH transmission setting device of the embodiment of the present disclosure can receive multi-PRACH transmission settings transmitted from a network-side device via a receiving module, wherein the multi-PRACH transmission settings include a first multi-PRACH transmission setting and / or a second multi-PRACH transmission setting, where the first multi-PRACH transmission setting is used for the CFRA multi-PRACH transmission setting and the second multi-PRACH transmission setting is used for the CBRA multi-PRACH transmission setting, and the transmitting module can transmit the CFRA multi-PRACH transmission initiated based on the first multi-PRACH transmission setting and / or the CBRA multi-PRACH transmission initiated based on the second multi-PRACH transmission setting to the network-side device. In the embodiment of the present disclosure, the terminal device can initiate the CFRA multi-PRACH transmission and / or the CBRA multi-PRACH transmission based on the received multi-PRACH transmission setting, thereby reducing the probability of random access failure. This disclosure provides a processing method for a situation called "multi-PRACH transmission setting," in which a multi-PRACH transmission setting device receives multi-PRACH transmissions of CFRA and / or CBRA initiated by a terminal device based on the multi-PRACH transmission setting, and improves the coverage of the PRACH channel. 【0228】 Selectively, in one embodiment of the present disclosure, the triggering mechanism for the CFRA is: Triggering via the Physical Downlink Control Channel (PDCCH), Triggered by switching, Triggered by beam failure recovery, This includes at least one of the following: a trigger caused by adding or modifying a PScell. 【0229】 Selectively, in one embodiment of the present disclosure, when the receiving module 1801 receives a multi-PRACH transmission setting transmitted from a network-side device, In response to a CFRA triggered by PDCCH, the network-side device receives a PDCCH order, which carries the first multi-PRACH transmission configuration. 【0230】 Selectively, in one embodiment of the present disclosure, when the receiving module 1801 receives a multi-PRACH transmission setting transmitted from a network-side device, In response to a CFRA triggered by a PScell ​​addition or modification, the network-side device receives a RACH-ConfigDedicated, and the CFRA configuration of the RACH-ConfigDedicated carries the first multi-PRACH transmission configuration. 【0231】 Selectively, in one embodiment of the present disclosure, when the receiving module 1801 receives a multi-PRACH transmission setting transmitted from a network-side device, specifically, In response to the CFRA triggered by the switchover, the RACH-ConfigDedicated sent from the network-side device is received, and the CFRA configuration of RACH-ConfigDedicated carries the first multi-PRACH transmission configuration. 【0232】 Selectively, in one embodiment of the present disclosure, when the receiving module 1801 receives a multi-PRACH transmission setting transmitted from a network-side device, specifically, In response to a CFRA triggered by beam failure recovery, the beam failure recovery settings sent from the network-side device are received, and the beam failure recovery settings carry the first multi-PRACH transmission settings. 【0233】 Selectively, in one embodiment of the present disclosure, the beam failure recovery setting is Beam Failure Recovery Config, Beam Failure Recovery Secondary Cell Configuration (BeamFailureRecoverySCellConfig), It includes at least one of the following: BeamFailureRecoveryServingCellConfig. 【0234】 Selectively, in one embodiment of the present disclosure, when the receiving module 1801 receives a multi-PRACH transmission setting transmitted from a network-side device, specifically, The system receives a second multi-PRACH transmission configuration sent from a network-side device via broadcast signaling or dedicated signaling. 【0235】 Selectively, in one embodiment of the present disclosure, broadcast signaling includes system information block 1 (SIB1). 【0236】 Selectively, in one embodiment of the present disclosure, dedicated signaling is, The Wireless Resource Control (RRC) Reconfiguration message, RRC Recovery (RRCResume) message and, RRC release message and The RRC setup message includes at least one of the following: 【0237】 Optionally, in one embodiment of the present disclosure, when the receiving module 1801 receives the second multi-PRACH transmission setting transmitted from the network-side device, specifically, it receives the RACH setting transmitted from the network-side device, and the RACH setting carries the second multi-PRACH transmission setting. 【0238】 Optionally, in one embodiment of the present disclosure, the RACH setting includes a common RACH resource individually set in each bandwidth part. 【0239】 Optionally, in one embodiment of the present disclosure, when the receiving module 1801 receives the second multi-PRACH transmission setting transmitted from the network-side device, specifically, it receives the first RACH-ConfigCommon in the initial BWP setting of SIB1 transmitted from the network-side device, and the first RACH-ConfigCommon carries the RACH setting. 【0240】 Optionally, in one embodiment of the present disclosure, when the receiving module 1801 receives the second multi-PRACH transmission setting transmitted from the network-side device, specifically, it receives the second RACH-ConfigCommon in the BWP setting of the RRCReconfiguration message transmitted from the network-side device, and the second RACH-ConfigCommon carries the RACH setting. 【0241】 Optionally, in one embodiment of the present disclosure, when the receiving module 1801 receives the second multi-PRACH transmission setting transmitted from the network-side device, specifically, it receives the dedicated RACH setting transmitted from the network-side device, and the dedicated RACH setting carries the second multi-PRACH transmission setting. 【0242】 Selectively, in one embodiment of the present disclosure, when the receiving module 1801 receives a second multi-PRACH transmission setting transmitted from a network-side device, specifically, In response to a CBRA triggered by beam failure recovery, the system receives a BeamFailureRecoveryConfig sent from the network-side device, which carries a second multi-PRACH transmission configuration configured within a dedicated RACH configuration. 【0243】 Selectively, in one embodiment of the present disclosure, when the receiving module 1801 receives a second multi-PRACH transmission setting transmitted from a network-side device, specifically, In response to a CBRA triggered by a PScell ​​addition or modification, the network-side device receives a RACH-ConfigDedicated, which carries a second multi-PRACH transmission configuration configured within the dedicated RACH configuration. 【0244】 Selectively, in one embodiment of the present disclosure, when the receiving module 1801 receives a second multi-PRACH transmission setting transmitted from a network-side device, specifically, In response to the CBRA triggered by the switchover, the RACH-ConfigDedicated sent from the network-side device is received, where the CBRA configuration of RACH-ConfigDedicated carries the second multi-PRACH transmission configuration. 【0245】 Selectively, in one embodiment of the present disclosure, when the receiving module 1801 receives a second multi-PRACH transmission setting transmitted from a network-side device, specifically, The RACH settings for the feature combination sent from the network-side device are received, and the RACH settings for the feature combination carry a second multi-PRACH transmission setting. 【0246】 Selectively, in one embodiment of the present disclosure, the feature combination includes a Coverage Enhancement feature, which points to a Coverage Enhancement feature that supports multi-PRACH transmission of CBRA. 【0247】 Figure 19 is a block diagram of a network-side device 1900 provided by an embodiment of the present disclosure. For example, the network-side device 1900 may be provided as a network-side device. Referring to Figure 19, the network-side device 1900 includes a processing component 1922 and further includes at least one processor and memory resources, including memory 1932, for storing instructions that can be executed by the processing component 1922, such as an application program. The application program stored in memory 1932 may include one or more modules, each corresponding to a set of instructions. The processing component 1922 also performs any method applicable to the network-side device described above by executing instructions, such as the method shown in Figure 1. 【0248】 The network-side device 1900 may include a power component 1926 configured to perform power management for the network-side device 1900, a wired or wireless network interface 1950 configured to connect the network-side device 1900 to a network, and an input / output (I / O) interface 1958. The network-side device 1900 can operate an operating system stored in memory 1932, such as Windows Server™, Mac OS X™, Unix™, Linux™, FreeBSD™, or a similar system. 【0249】 Figure 20 is a block diagram of a terminal device UE2000 provided by one embodiment of the present disclosure. For example, the UE2000 may be a mobile phone, computer, digital broadcasting terminal, message transceiver, game console, tablet device, medical device, fitness device, personal digital assistant, etc. 【0250】 Referring to Figure 20, the UE2000 may include one or more of the following: processing component 2002, memory 2004, power supply component 2006, multimedia component 2008, audio component 2010, input / output (I / O) interface 2012, sensor component 2014, and communication component 2016. 【0251】 Processing component 2002 typically controls the general operation of the UE2000, including operations related to telephone calls, data communications, camera operation, and recording operations. Processing component 2002 includes one or more processors 2020 for executing instructions to complete all or some of the steps of the above method. Processing component 2002 may also include one or more modules to facilitate interaction between processing component 2002 and other components. For example, processing component 2002 may include a multimedia module to facilitate interaction between processing component 2002 and multimedia component 2008. 【0252】 Processing component 2002 typically controls the general operation of the UE2000, including operations related to telephone calls, data communications, camera operation, and recording operations. Processing component 2002 includes one or more processors 2020 for executing instructions to complete all or some of the steps of the above method. Processing component 2002 may also include one or more modules to facilitate interaction between processing component 2002 and other components. For example, processing component 2002 may include a multimedia module to facilitate interaction between processing component 2002 and multimedia component 2008. 【0253】 Memory 2004 is configured to store various types of data to support operations on the UE2000. Examples of this data include instructions for any application or method operated on the UE2000, contact data, phonebook data, messages, images, videos, etc. Memory 2004 can be implemented using any type of volatile or non-volatile storage device, or a combination thereof, such as static random access memory (SRAM), electrically erasable programmable read-only memory (EEPROM), erasable programmable read-only memory (EPROM), programmable read-only memory (PROM), read-only memory (ROM), magnetic memory, flash memory, magnetic disk, or optical disk. 【0254】 Memory 2004 is configured to store various types of data to support operations on the UE2000. Examples of this data include instructions for any application or method operated on the UE2000, contact data, phonebook data, messages, images, videos, etc. Memory 2004 can be implemented using any type of volatile or non-volatile storage device, or a combination thereof, such as static random access memory (SRAM), electrically erasable programmable read-only memory (EEPROM), erasable programmable read-only memory (EPROM), programmable read-only memory (PROM), read-only memory (ROM), magnetic memory, flash memory, magnetic disk, or optical disk. 【0255】 Power Component 2006 provides power for various components of the UE2000. Power Component 2006 may include a power management system, one or more power supplies, and other components related to generating, managing, and distributing power for the UE2000. 【0256】 The multimedia component 2008 includes a screen that provides an output interface between the UE2000 and the user. In some embodiments, the screen may include a liquid crystal display (LCD) and a touch panel (TP). If the screen includes a touch panel, the screen may be implemented as a touchscreen to receive input signals from the user. The touch panel includes one or more touch sensors to detect touches, slides, and gestures on the touch panel. The touch sensors may detect not only the boundary of a touch or slide operation, but also the duration and pressure associated with the touch or slide operation. In some embodiments, the multimedia component 2008 includes a front camera and / or a rear camera. When the UE2000 is in an operating mode such as shooting mode or video mode, the front camera and / or the rear camera may receive external multimedia data. Each front camera and rear camera may be a fixed optical lens system or may have a focal length and optical zoom capability. 【0257】 The audio component 2010 is configured to output and / or input audio signals. For example, the audio component 2010 includes one microphone (MIC), and when the UE2000 is in an operating mode such as calling mode, recording mode, and voice recognition mode, the microphone is configured to receive external audio signals. The received audio signals are further stored in memory 2004 or transmitted via communication component 2016. In some embodiments, the audio component 2010 further includes a speaker for outputting audio signals. 【0258】 The I / O interface 2012 provides an interface between the processing component 2002 and a peripheral interface module, which may be a keyboard, click wheel, buttons, etc. These buttons may include, but are not limited to, a home button, volume buttons, a start button, and a lock button. 【0259】 The sensor component 2014 includes one or more sensors to provide state evaluation of each side to the UE2000. For example, the sensor component 2014 can detect the on / off state of the UE2000, the relative position of components such as the monitor or keypad of the UE2000, a change in the position of the UE2000 or one of its components, whether the user is in contact with the UE2000, the orientation or acceleration / deceleration of the UE2000, and a change in the temperature of the UE2000. The sensor component 2014 may include a proximity sensor configured to detect whether an object is present in the vicinity when there is no physical contact. The sensor component 2014 may further include an optical sensor, such as a CMOS or CCD image sensor used in imaging applications. In some embodiments, the sensor component 2014 may further include an accelerometer, a gyroscope, a magnetic sensor, a pressure sensor, or a temperature sensor. 【0260】 The communication component 2016 is configured to facilitate wired or wireless communication between the UE2000 and other devices. The UE2000 can access wireless networks based on communication standards, such as WiFi, 2G or 3G, or a combination thereof. In an exemplary embodiment, the communication component 2016 receives broadcast signals or broadcast-related information from an external broadcast management system via a broadcast channel. In an exemplary embodiment, the communication component 2016 further includes a Near Field Communication (NFC) module to facilitate short-range communication. For example, the NFC module can be implemented using radio frequency identification (RFID) technology, infrared data association (IrDA) technology, ultra-wideband (UWB) technology, Bluetooth (BT) technology, and other technologies. 【0261】 In exemplary embodiments, the UE2000 may be implemented by one or more dedicated integrated circuits (ASICs), digital signal processors (DSPs), digital signal processing units (DSPDs), programmable logic devices (PLDs), field-programmable gate arrays (FPGAs), controllers, microcontrollers, microprocessors, or other electronic components, or one or more applications, to perform the above method. 【0262】 The embodiments provided in the above disclosure describe the methods provided by the embodiments of the disclosure from the perspective of the network-side device and the UE, respectively. To implement each function in the methods provided by the embodiments of the above disclosure, the network-side device and the UE may include hardware structures and software modules, and each function can be implemented by a hardware structure, a software module, or a combination of a hardware structure and a software module. Some of the functions in each of the above functions can be performed by a hardware structure, a software module, or a combination of a hardware structure and a software module. 【0263】 The embodiments provided in the above disclosure describe the methods provided by the embodiments of the disclosure from the perspective of the network-side device and the UE, respectively. To implement each function in the methods provided by the embodiments of the above disclosure, the network-side device and the UE may include hardware structures and software modules, and each function can be implemented by a hardware structure, a software module, or a combination of a hardware structure and a software module. Some of the functions in each of the above functions can be performed by a hardware structure, a software module, or a combination of a hardware structure and a software module. 【0264】 Embodiments of this disclosure provide a communication device. The communication device may include a transmitting / receiving module and a processing module. The transmitting / receiving module may include a transmitting module and / or a receiving module, the transmitting module may implement a transmitting function, the receiving module may implement a receiving function, and the transmitting / receiving module may implement a transmitting function and / or a receiving function. 【0265】 The communication device may be a terminal device (for example, a terminal device in the method embodiment described above), a device within a terminal device, or a device used in conjunction with a terminal device. Alternatively, the communication device may be a network device, a device within a network device, or a device that can be used in conjunction with a network device. 【0266】 Embodiments of this disclosure provide another communication device. The communication device may be a network device, a terminal device (for example, a terminal device in the embodiment of the method described above), a chip, chip system, or processor that supports a network device to implement the above method, or a chip, chip system, or processor that supports a terminal device to implement the above method. The device implements the method described in the embodiment of the method described above; specifically, please refer to the description in the embodiment of the method described above. 【0267】 The communication device may include one or more processors. The processors may be general-purpose processors or dedicated processors, for example, a baseband processor or a central processor. The baseband processor may be used to process communication protocols and communication data, and the central processor may be used to control measuring devices (e.g., base stations, baseband chips, terminal devices, terminal device chips, DUs or CUs, etc.), execute computer programs, and process data from the computer programs. 【0268】 Selectively, the measuring device may include one or more memories in which a computer program is stored, and the memory causes the measuring device to perform the method described in the above embodiment of the method by executing the computer program. Selectively, data may be stored in the memory. The communication device and the memory may be installed separately or integrated as a single unit. 【0269】 Selectively, the communication device may further include a transceiver and an antenna. The transceiver may also be called a transceiver unit, transceiver, or transceiver circuit, and is used to implement a transceiver function. The transceiver may also include a receiver and a transmitter, the receiver may also be called a receiving device or receiving circuit, and is used to implement a receiving function, and the transmitter may also be called a transmitting device or transmitting circuit, and is used to implement a transmitting function. 【0270】 Selectively, the communication device may further include one or more interface circuits. The interface circuits receive and transmit code instructions to a processor. The processor executes the code instructions, thereby causing the communication device to perform the method described in the above embodiment of the method. 【0271】 The communication device is a network-side device, and the processor performs one of the methods described in Figures 1 to 8. 【0272】 The communication device is a terminal device (for example, the terminal device in the method embodiment described above), and the processor performs the method described in any of Figures 9 to 16. 【0273】 In one implementation, the processor 1001 may include a transceiver for implementing receiving and transmitting functions. For example, the transceiver may be a transceiver circuit, an interface, or an interface circuit. The transceiver circuit, interface, or interface circuit for implementing receiving and transmitting functions may be separate or integrated. The transceiver circuit, interface, or interface circuit can be used for reading and writing code / data, or it can be used for transmitting or transmitting signals. 【0274】 In one implementation, a computer program may be stored in the processor, and the computer program is executed in the processor, thereby causing the communication device to perform the method described in the above embodiment of the method. The computer program may be fixed in the processor, in which case the processor may be implemented by hardware. 【0275】 In one embodiment, the communication device may include a circuit that can implement the transmission, reception, or communication functions described in the method embodiment described above. The processor and transceiver described herein can be integrated into an integrated circuit (IC), analog IC, high-frequency integrated circuit (RFIC), mixed-signal IC, application-specific integrated circuit (ASIC), printed circuit board (PCB), electronic device, etc. The processor and transceiver can be manufactured using various IC process technologies, such as complementary metal oxide semiconductor (CMOS), n-metal oxide semiconductor (NMOS), positive channel metal oxide semiconductor (PMOS), bipolar junction transistor (BJT), bipolar CMOS (BiCMOS), silicon germanium (SiGe), gallium arsenide (Gas), etc. 【0276】 The communication devices described in the above embodiments may be terminal devices, but the scope of communication devices described in this disclosure is not limited thereto, and the structure of the communication device may be limited by Figure 13. The communication device may be an independent device or may be part of a larger device. For example, the measuring device may be as follows: (1) Independent integrated circuit IC, or chip, or chip system or subsystem, (2) A set having one or more ICs, wherein the IC set may optionally include a storage component for storing data, computer programs, (3) ASIC, for example, modem, (4) Modules that can be incorporated into other devices, (5) Receivers, terminal devices, intelligent terminal devices, cellular phones, wireless devices, handhelds, mobile units, in-vehicle devices, network devices, cloud devices, artificial intelligence devices, etc. (6) Others. 【0277】 In cases where the communication device may be a chip or a chip system, the chip includes a processor and interfaces. Here, the number of processors may be one or more, and the number of interfaces may be multiple. 【0278】 Selectively, the chip may also include memory, which is used to store necessary computer programs and data. 【0279】 As those skilled in the art will understand, the various illustrative logical blocks and steps enumerated in the embodiments of this disclosure can be implemented by electronic hardware, computer software, or a combination of both. Whether such functionality is implemented by hardware or software depends on the specific application and the design requirements of the overall system. Those skilled in the art can implement the aforementioned functionality in various ways for each specific application, but such implementations should not be understood as exceeding the scope of protection of the embodiments of this disclosure. 【0280】 The disclosure further provides a readable storage medium on which instructions are stored, and when such instructions are executed by a computer, the functionality of any of the above method embodiments is realized. 【0281】 This disclosure further provides a computer program product which, when executed by a computer, realizes the functionality of any of the above-described method embodiments. 【0282】 In the embodiments described above, all or part of them can be implemented using software, hardware, firmware, or any combination thereof. When implemented using software, all or part of them can be implemented in the form of a computer program product. The computer program product includes one or more computer programs. When the computer programs are loaded and executed on a computer, all or part of the flows or functions described in the embodiments of this disclosure are generated. The computer may be a general-purpose computer, a dedicated computer, a computer network, or other programmable device. The computer programs can be stored on a computer-readable storage medium or transmitted from one computer-readable storage medium to another computer-readable storage medium. For example, the computer programs can be transmitted from one website, computer, server, or data center to another website, computer, server, or data center by wired (e.g., coaxial cable, optical fiber, digital subscriber line (DSL)) or wireless (e.g., infrared, radio, microwave, etc.). The computer-readable storage medium may be any available media accessible to a computer, or a data storage device such as a server or data center that includes one or more available media integrations. The usable media may be magnetic media (e.g., floppy disks, hard disks, magnetic tapes), optical media (e.g., high-density digital video discs (DVDs)), or semiconductor media (e.g., solid-state drives (SSDs)). 【0283】 As those skilled in the art will understand, the various numerical designations such as "First," "Second," etc., in this disclosure are classifications made for ease of explanation and do not limit the scope of the embodiments of this disclosure, nor do they represent priority. 【0284】 In this disclosure, “at least one” may also be described as “one or more,” where “more” may be two, three, four or more, and is not limited to this disclosure. In embodiments of this disclosure, a technical feature is distinguished by “first,” “second,” “third,” “A,” “B,” “C,” and “D,” and there is no priority or size order among the technical features described by “first,” “second,” “third,” “A,” “B,” “C,” and “D.” 【0285】 A person skilled in the art, after considering the specification and practicing the invention disclosed herein, may readily conceive of other embodiments of the invention. This disclosure is intended to cover all variations, uses, or adaptive changes of the invention, which will conform to the general principles of this disclosure and include common or commonly used technical means in the art not disclosed herein. The specification and examples are illustrative only, and the true scope and spirit of this disclosure are indicated by the following claims. 【0286】 This disclosure is not limited to the exact structure described above and shown in the drawings, and various modifications and changes may be made as long as they do not deviate from its scope. The scope of this disclosure is limited only to the attached claims.

Claims

[Claim 1] A method for configuring multi-physical random access channel (PRACH) transmission, wherein the method is performed by a network-side device, and the method is A step of transmitting a multi-PRACH transmission setting to a terminal device, wherein the multi-PRACH transmission setting includes a first multi-PRACH transmission setting and / or a second multi-PRACH transmission setting, the first multi-PRACH transmission setting is used for non-conflicting random access (CFRA) multi-PRACH transmission settings, and the second multi-PRACH transmission setting is used for competing random access (CBRA) multi-PRACH transmission settings, The step of receiving a multi-PRACH transmission of a CFRA initiated by the terminal device based on the first multi-PRACH transmission setting and / or a multi-PRACH transmission of a CBRA initiated based on the second multi-PRACH transmission setting, The step of sending the aforementioned multi-PRACH transmission settings to the terminal device is: A step of transmitting the RACH setting of a feature combination to the terminal device, wherein the RACH setting of the feature combination carries the second multi-PRACH transmission setting, and the feature combination includes a Coverage Enhancement feature for multi-PRACH transmission. A multi-PRACH transmission setting method characterized by the following. [Claim 2] The trigger method of the CFRA is, Triggering via the Physical Downlink Control Channel (PDCCH), Triggered by switching, Triggered by beam failure recovery, A trigger caused by the addition or modification of a primary secondary cell (PScell), and at least one of the following: The multi-PRACH transmission setting method according to feature 1. [Claim 3] The step of sending the aforementioned multi-PRACH transmission settings to the terminal device is: A step of transmitting a dedicated random access setting (RACH-ConfigDedicated) to the terminal device in response to the CFRA triggered by the aforementioned switching, wherein the CFRA setting of the RACH-ConfigDedicated carries the first multi-PRACH transmission setting. The multi-PRACH transmission setting method according to feature 2. [Claim 4] The Coverage Enhancement feature indicates a Coverage Enhancement feature that supports multi-PRACH transmission of the CBRA. The multi-PRACH transmission setting method according to feature 1. [Claim 5] A method for setting up a multi-physical random access channel (PRACH) transmission, wherein the method is performed by a terminal device, and the method is A step of receiving a multi-PRACH transmission setting transmitted from a network-side device, wherein the multi-PRACH transmission setting includes a first multi-PRACH transmission setting and / or a second multi-PRACH transmission setting, the first multi-PRACH transmission setting is used for a non-conflicting random access (CFRA) multi-PRACH transmission setting, and the second multi-PRACH transmission setting is used for a competing random access (CBRA) multi-PRACH transmission setting, The process includes the step of transmitting a multi-PRACH transmission of a CFRA initiated based on the first multi-PRACH transmission setting and / or a multi-PRACH transmission of a CBRA initiated based on the second multi-PRACH transmission setting to the network-side device, The step of receiving the multi-PRACH transmission settings transmitted from the network-side device is: The step of receiving the RACH setting of a feature combination transmitted from the network-side device, wherein the RACH setting of the feature combination carries the second multi-PRACH transmission setting, and the feature combination includes a coverage enhancement feature for multi-PRACH transmission. A multi-PRACH transmission setting method characterized by the following. [Claim 6] The trigger method of the CFRA is, Triggering via the Physical Downlink Control Channel (PDCCH), Triggered by switching, Triggered by beam failure recovery, A trigger caused by the addition or modification of a primary secondary cell (PScell), and at least one of the following: The multi-PRACH transmission setting method according to feature 5. [Claim 7] The step of receiving the multi-PRACH transmission settings transmitted from the network-side device is: The step of receiving a RACH-ConfigDedicated transmitted from the network-side device in response to a CFRA triggered by the aforementioned switching, the CFRA setting of the RACH-ConfigDedicated includes the first multi-PRACH transmission setting, The multi-PRACH transmission setting method according to feature 6. [Claim 8] The Coverage Enhancement feature indicates a Coverage Enhancement feature that supports multi-PRACH transmission of the CBRA. The multi-PRACH transmission setting method according to feature 5. [Claim 9] A multi-physical random access channel (PRACH) transmission setting device, A transmission module for transmitting a multi-PRACH transmission setting, including a first multi-PRACH transmission setting and / or a second multi-PRACH transmission setting, to a terminal device, wherein the first multi-PRACH transmission setting is used for a non-conflicting random access (CFRA) multi-PRACH transmission setting, and the second multi-PRACH transmission setting is used for a conflicting random access (CBRA) multi-PRACH transmission setting, The terminal device includes a receiving module for receiving multi-PRACH transmissions of CFRA initiated based on the first multi-PRACH transmission setting and / or multi-PRACH transmissions of CBRA initiated based on the second multi-PRACH transmission setting, Sending the aforementioned multi-PRACH transmission settings to the terminal device means The method involves transmitting the RACH setting of a feature combination to the terminal device, wherein the RACH setting of the feature combination carries the second multi-PRACH transmission setting, and the feature combination includes a coverage enhancement feature for multi-PRACH transmission. A multi-PRACH transmission setting device characterized by the following: [Claim 10] A multi-physical random access channel (PRACH) transmission setting device, A receiving module for receiving a multi-PRACH transmission setting transmitted from a network-side device, wherein the multi-PRACH transmission setting includes a first multi-PRACH transmission setting and / or a second multi-PRACH transmission setting, the first multi-PRACH transmission setting is used for a non-conflicting random access (CFRA) multi-PRACH transmission setting, and the second multi-PRACH transmission setting is used for a conflicting random access (CBRA) multi-PRACH transmission setting, A transmission module for transmitting multi-PRACH transmission of CFRA initiated based on the first multi-PRACH transmission setting and / or multi-PRACH transmission of CBRA initiated based on the second multi-PRACH transmission setting to the network-side device, Receiving the multi-PRACH transmission settings transmitted from the aforementioned network-side device means that Receiving the RACH setting of a feature combination transmitted from the network-side device, wherein the RACH setting of the feature combination carries the second multi-PRACH transmission setting, and the feature combination includes a coverage enhancement feature for multi-PRACH transmission. A multi-PRACH transmission setting device characterized by the following: [Claim 11] Network-side device, Including the processor and memory, The memory stores a computer program, and the processor executes the computer program stored in the memory, thereby causing the network-side device to perform the method according to any one of claims 1 to 4. A network-side device characterized by the following features. [Claim 12] Terminal device, Including the processor and memory, The memory stores a computer program, and the processor executes the computer program stored in the memory, thereby causing the terminal device to perform the method according to any one of claims 5 to 8. A terminal device characterized by the following features. [Claim 13] A communication device, Including a processor and interface circuitry, The interface circuit receives a code instruction and transmits it to the processor. The processor performs the method according to any one of claims 1 to 4 by executing the code instructions. A communication device characterized by the following features. [Claim 14] A communication device, Including a processor and interface circuitry, The interface circuit receives a code instruction and transmits it to the processor. The processor performs the method according to any one of claims 5 to 8 by executing the code instructions. A communication device characterized by the following features. [Claim 15] A computer-readable storage medium in which instructions are stored, When the aforementioned instruction is executed, the method described in any of claims 1 to 4 is realized. A computer-readable storage medium characterized by the following features. [Claim 16] A computer-readable storage medium in which instructions are stored, When the aforementioned instruction is executed, the method described in any of claims 5 to 8 is realized. A computer-readable storage medium characterized by the following features.