WO2023225828A1 - 支持跨ssb的多prach传输配置方法、装置 - Google Patents

支持跨ssb的多prach传输配置方法、装置 Download PDF

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Publication number
WO2023225828A1
WO2023225828A1 PCT/CN2022/094572 CN2022094572W WO2023225828A1 WO 2023225828 A1 WO2023225828 A1 WO 2023225828A1 CN 2022094572 W CN2022094572 W CN 2022094572W WO 2023225828 A1 WO2023225828 A1 WO 2023225828A1
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WO
WIPO (PCT)
Prior art keywords
prach
prach transmission
configuration
terminal device
ssb
Prior art date
Application number
PCT/CN2022/094572
Other languages
English (en)
French (fr)
Inventor
江小威
Original Assignee
北京小米移动软件有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 北京小米移动软件有限公司 filed Critical 北京小米移动软件有限公司
Priority to CN202280001747.1A priority Critical patent/CN115136537A/zh
Priority to PCT/CN2022/094572 priority patent/WO2023225828A1/zh
Publication of WO2023225828A1 publication Critical patent/WO2023225828A1/zh

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    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00Arrangements affording multiple use of the transmission path
    • H04L5/003Arrangements for allocating sub-channels of the transmission path
    • H04L5/0053Allocation of signaling, i.e. of overhead other than pilot signals
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00Arrangements affording multiple use of the transmission path
    • H04L5/003Arrangements for allocating sub-channels of the transmission path
    • H04L5/0058Allocation criteria
    • H04L5/0064Rate requirement of the data, e.g. scalable bandwidth, data priority
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W72/00Local resource management
    • H04W72/04Wireless resource allocation
    • H04W72/044Wireless resource allocation based on the type of the allocated resource
    • H04W72/0446Resources in time domain, e.g. slots or frames
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W72/00Local resource management
    • H04W72/04Wireless resource allocation
    • H04W72/044Wireless resource allocation based on the type of the allocated resource
    • H04W72/046Wireless resource allocation based on the type of the allocated resource the resource being in the space domain, e.g. beams
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W74/00Wireless channel access
    • H04W74/08Non-scheduled access, e.g. ALOHA
    • H04W74/0833Random access procedures, e.g. with 4-step access

Definitions

  • the present disclosure relates to the field of communication technology, and in particular to a physical random access channel (Physical Random Access Channel, PRACH) transmission configuration method, device, and equipment that supports multiple physical random access channels across synchronization signal blocks (Synchronization Signal Block, SSB). and storage media.
  • PRACH Physical Random Access Channel
  • SSB Synchronization Signal Block
  • the terminal device can only send one first message, Msg1, in one random access attempt, and does not involve multiple PRACH transmissions, resulting in poor coverage of the PRACH channel. Therefore, a "multiple PRACH transmission configuration" method is urgently needed to enable terminal equipment to transmit multiple PRACHs on PRACH resources through SSB usage mode to improve the coverage of PRACH channels.
  • the present disclosure proposes a method, device, equipment and storage medium that support cross-SSB multi-PRACH transmission configuration to reduce the duration of multi-PRACH transmission configuration, improve the efficiency of multi-PRACH transmission configuration, and thereby improve the convenience of parameter adjustment for network-side equipment. sex.
  • An embodiment of the present disclosure proposes a method for configuring multi-physical random access channel PRACH transmission that supports cross-synchronization signal block SSB.
  • the method is executed by a network side device.
  • the method includes:
  • sending multiple PRACH transmission configurations to the terminal device includes:
  • sending multiple PRACH transmission mode configurations to the terminal device includes at least one of the following:
  • the terminal device Send a first multi-PRACH transmission mode configuration to the terminal device, wherein the first multi-PRACH transmission mode configuration is such that the SSBs corresponding to the PRACH resources are the same;
  • sending the first multi-PRACH transmission mode configuration to the terminal device includes at least one of the following:
  • sending the second multi-PRACH transmission mode configuration to the terminal device includes at least one of the following:
  • sending multiple PRACH transmission configurations to the terminal device includes at least one of the following:
  • the multiple PRACH transmission configurations include a first multiple PRACH transmission configuration based on non-contention random access CFRA and a second multiple PRACH transmission configuration based on contention based random access CBRA .
  • the CFRA triggering method includes at least one of the following:
  • PScell adds or changes trigger.
  • sending multiple PRACH transmission configurations to the terminal device includes:
  • sending multiple PRACH transmission configurations to the terminal device includes:
  • sending multiple PRACH transmission configurations to the terminal device includes:
  • RACH-ConfigDedicated is sent to the terminal device, wherein the CFRA configuration of the RACH-ConfigDedicated carries the first multi-PRACH transmission configuration.
  • sending multiple PRACH transmission configurations to the terminal device includes:
  • a beam failure recovery configuration BeamFailureRecoveryConfig is sent to the terminal device, wherein the BeamFailureRecoveryConfig carries the first multi-PRACH transmission configuration.
  • sending multiple PRACH transmission configurations to the terminal device includes:
  • the second multi-PRACH transmission configuration is sent to the terminal device through broadcast signaling or through dedicated signaling.
  • the broadcast signaling includes system message block 1SIB1.
  • the dedicated signaling includes at least one of the following:
  • RRC establishes the RRCSetup message.
  • sending multiple PRACH transmission configurations to the terminal device includes:
  • the RACH configuration includes common RACH resources configured separately on each partial bandwidth BWP.
  • sending the RACH configuration to the terminal device includes:
  • sending the RACH configuration to the terminal device includes:
  • sending multiple PRACH transmission configurations to the terminal device includes:
  • sending the dedicated RACH configuration to the terminal device includes:
  • BeamFailureRecoveryConfig In response to the CBRA triggered by beam failure recovery, send a beam failure recovery configuration BeamFailureRecoveryConfig to the terminal device, wherein the BeamFailureRecoveryConfig carries the second multi-PRACH transmission configuration configured in the dedicated RACH configuration.
  • sending multiple PRACH transmission configurations to the terminal device includes:
  • sending multiple PRACH transmission configurations to the terminal device includes:
  • RACH-ConfigDedicated is sent to the terminal device, wherein the RACH-ConfigDedicated carries the second multi-PRACH transmission configuration configured in the dedicated RACH configuration.
  • sending multiple PRACH transmission configurations to the terminal device includes:
  • the feature combination includes a Coverage Enhancement feature, wherein the Coverage Enhancement feature is used to indicate that the Coverage Enhancement feature supports the second plurality of PRACH transmissions.
  • the method further includes:
  • Receive PRACH capability information sent by the terminal device where the PRACH capability information is used to indicate that the terminal device supports multiple PRACH transmission capability information.
  • receiving the PRACH capability information sent by the terminal device includes:
  • the PRACH capability information includes at least one of the following:
  • the method after receiving the PRACH capability information sent by the terminal device, the method further includes:
  • the multi-PRACH transmission mode configuration is configured for the terminal device through dedicated signaling.
  • Another aspect of the present disclosure provides a method for configuring multi-PRACH transmission across SSBs.
  • the method is executed by a terminal device.
  • the method includes:
  • Multiple PRACHs are transmitted to network side devices on PRACH resources through SSB usage mode.
  • transmitting multiple PRACHs on PRACH resources to the network side device through the SSB usage mode includes at least one of the following:
  • the plurality of PRACHs are transmitted to the network side device on the PRACH resources corresponding to the first multi-PRACH transmission mode configuration, wherein the first multi-PRACH transmission mode is configured as the SSB corresponding to the PRACH resources used for multi-PRACH transmission. same;
  • the plurality of PRACHs are transmitted to the network side device on the PRACH resources corresponding to the second multi-PRACH transmission mode configuration, wherein the second multi-PRACH transmission mode is configured as a time domain randomization adopted by the plurality of PRACH transmissions.
  • Access opportunity RO resources belong to the same SSB or different SSBs.
  • transmitting the plurality of PRACHs to the network side device on the PRACH resources corresponding to the first multi-PRACH transmission mode configuration includes at least one of the following:
  • the first multi-PRACH transmission mode configuration transmit the plurality of PRACHs to the network side device by allowing the first multi-PRACH transmission across SSBs corresponding to PRACH resources;
  • the plurality of PRACHs are transmitted to the network side device by not allowing the first multi-PRACH transmission across SSBs corresponding to PRACH resources.
  • transmitting the plurality of PRACHs to the network side device on the PRACH resources corresponding to the second multi-PRACH transmission mode configuration includes at least one of the following:
  • the second multi-PRACH transmission mode configuration transmit the plurality of PRACHs to the network side device on the PRACH resources corresponding to the second multi-PRACH transmissions that allow SSB gaps between PRACH transmissions;
  • the plurality of PRACHs are transmitted to the network side device on the PRACH resources corresponding to the second multi-PRACH transmissions that do not allow the SSB gap between the PRACH transmissions.
  • the method further includes:
  • sending PRACH capability information to the network side device includes:
  • the PRACH capability information includes at least one of the following:
  • the method before transmitting multiple PRACHs on PRACH resources to the network side device through the SSB usage mode, the method further includes:
  • receiving the multi-PRACH transmission configuration sent by the network side device includes at least one of the following:
  • the multi-PRACH transmission configuration includes a first multi-PRACH transmission configuration based on CFRA and a second multi-PRACH transmission configuration based on CBRA.
  • Another aspect of the present disclosure provides a device that supports multiple PRACH transmission configurations across SSBs.
  • the device includes:
  • a sending module configured to send multiple PRACH transmission configurations to a terminal device, wherein the multiple PRACH transmission configurations are used to instruct the terminal device to send SSB usage corresponding to PRACH resources used for multiple PRACH transmissions according to the multiple PRACH transmission configurations. model;
  • a receiving module configured to receive multiple PRACHs transmitted by the terminal equipment on the PRACH resources through the SSB usage mode.
  • Another aspect of the present disclosure provides a device that supports multiple PRACH transmission configurations across SSBs.
  • the device includes:
  • the transmission module is used to transmit multiple PRACHs on the PRACH resources to the network side device through the SSB usage mode.
  • the device includes a processor and a memory.
  • a computer program is stored in the memory.
  • the processor executes the computer program stored in the memory so that the The device performs the method proposed in the embodiment of the above aspect.
  • the device includes a processor and a memory.
  • a computer program is stored in the memory.
  • the processor executes the computer program stored in the memory so that the The device performs the method proposed in the above embodiment of another aspect.
  • a communication device provided by another embodiment of the present disclosure includes: a processor and an interface circuit
  • the interface circuit is used to receive code instructions and transmit them to the processor
  • the processor is configured to run the code instructions to perform the method proposed in the embodiment of one aspect.
  • a communication device provided by another embodiment of the present disclosure includes: a processor and an interface circuit
  • the interface circuit is used to receive code instructions and transmit them to the processor
  • the processor is configured to run the code instructions to perform the method proposed in another embodiment.
  • a computer-readable storage medium provided by an embodiment of another aspect of the present disclosure is used to store instructions. When the instructions are executed, the method proposed by the embodiment of the present disclosure is implemented.
  • a computer-readable storage medium provided by an embodiment of another aspect of the present disclosure is used to store instructions. When the instructions are executed, the method proposed by the embodiment of another aspect is implemented.
  • the multi-PRACH transmission configuration is sent to the terminal device, where the multi-PRACH transmission configuration is used to instruct the terminal device to send multiple PRACH transmissions corresponding to the PRACH resources used according to the multi-PRACH transmission configuration.
  • SSB usage mode receiving multiple PRACHs transmitted by the terminal equipment on PRACH resources through SSB usage mode.
  • the terminal device can transmit multiple PRACHs on PRACH resources through the SSB usage mode, reducing the situation of multiple PRACHs that cannot be transmitted, and improving the random access success probability.
  • the present disclosure provides a processing method for a "multiple PRACH transmission configuration" situation, so that the terminal equipment transmits multiple PRACHs on the PRACH resources through the SSB usage mode to improve the coverage of the PRACH channel.
  • Figure 1 is a schematic flowchart of a method for supporting multi-PRACH transmission configuration across SSBs provided by an embodiment of the present disclosure
  • Figure 2 is a schematic flowchart of a method for supporting multi-PRACH transmission configuration across SSBs provided by another embodiment of the present disclosure
  • Figure 3 is a schematic flowchart of a method for supporting multi-PRACH transmission configuration across SSBs provided by yet another embodiment of the present disclosure
  • Figure 4 is a schematic flowchart of a method for supporting multi-PRACH transmission configuration across SSBs provided by yet another embodiment of the present disclosure
  • Figure 5 is a schematic flowchart of a method for supporting multi-PRACH transmission configuration across SSBs provided by yet another embodiment of the present disclosure
  • Figure 6 is a schematic flowchart of a method for supporting multi-PRACH transmission configuration across SSBs provided by yet another embodiment of the present disclosure
  • Figure 7 is a schematic flowchart of a method for supporting multi-PRACH transmission configuration across SSBs provided by yet another embodiment of the present disclosure
  • Figure 8 is a schematic flowchart of a method for supporting multi-PRACH transmission configuration across SSBs provided by yet another embodiment of the present disclosure
  • Figure 9 is a schematic flowchart of a method for supporting multi-PRACH transmission configuration across SSBs provided by yet another embodiment of the present disclosure.
  • Figure 10 is a schematic flowchart of a method for supporting multi-PRACH transmission configuration across SSBs provided by yet another embodiment of the present disclosure
  • Figure 11 is a schematic flowchart of a method for supporting multi-PRACH transmission configuration across SSBs provided by yet another embodiment of the present disclosure
  • Figure 12 is a schematic flowchart of a method for supporting multi-PRACH transmission configuration across SSBs provided by yet another embodiment of the present disclosure
  • Figure 13 is a schematic flowchart of a method for supporting multi-PRACH transmission configuration across SSBs provided by yet another embodiment of the present disclosure
  • Figure 14 is a schematic flowchart of a method for supporting multi-PRACH transmission configuration across SSBs provided by yet another embodiment of the present disclosure
  • Figure 15 is a schematic flowchart of a method for supporting multi-PRACH transmission configuration across SSBs provided by yet another embodiment of the present disclosure
  • Figure 16 is a schematic structural diagram of a device that supports multiple PRACH transmission configurations across SSBs provided by an embodiment of the present disclosure
  • Figure 17 is a schematic structural diagram of a device that supports multiple PRACH transmission configurations across SSBs provided by another embodiment of the present disclosure.
  • Figure 18 is a block diagram of a terminal device provided by an embodiment of the present disclosure.
  • Figure 19 is a block diagram of a network side device provided by an embodiment of the present disclosure.
  • first, second, third, etc. may be used to describe various information in the embodiments of the present disclosure, the information should not be limited to these terms. These terms are only used to distinguish information of the same type from each other.
  • first information may also be called second information, and similarly, the second information may also be called first information.
  • the words "if” and “if” as used herein may be interpreted as “when” or “when” or “in response to determining.”
  • the network elements or network functions involved in the embodiments of the present disclosure can be implemented by independent hardware devices or by software in the hardware devices. This is not limited in the embodiments of the present disclosure.
  • Figure 1 is a schematic flowchart of a method for supporting multi-PRACH transmission configuration across SSBs provided by an embodiment of the present disclosure. The method is executed by a network side device. As shown in Figure 1, the method may include the following steps:
  • Step 101 Send the multi-PRACH transmission configuration to the terminal device, where the multi-PRACH transmission configuration is used to instruct the terminal device to send the SSB usage mode corresponding to the PRACH resources used for multiple PRACH transmissions according to the multi-PRACH transmission configuration;
  • Step 102 Receive multiple PRACHs transmitted by the terminal equipment on PRACH resources through the SSB usage mode.
  • the terminal device may be a device that provides voice and/or data connectivity to the user.
  • Terminal devices can communicate with one or more core networks via RAN (Radio Access Network).
  • Terminal devices can be IoT terminals, such as sensor devices, mobile phones (or "cellular" phones) and devices with The computer of the Internet of Things terminal, for example, can be a fixed, portable, pocket-sized, handheld, computer-built-in or vehicle-mounted device.
  • station STA
  • subscriber unit subscriber unit
  • subscriber station subscriber station
  • mobile station mobile station
  • remote station remote station
  • access terminal access terminal
  • user device user terminal
  • user agent useragent
  • the terminal device may also be a device of an unmanned aerial vehicle.
  • the terminal device may also be a vehicle-mounted device, for example, it may be a driving computer with wireless communication function, or a wireless terminal connected to an external driving computer.
  • the terminal device may also be a roadside device, for example, it may be a street light, a signal light or other roadside device with wireless communication function.
  • the terminal device when the terminal device is sending the preamble, for example, it can perform preamble time domain repetition, that is, continuously sending multiple preambles in the time domain, where one PRACH transmission means that multiple preambles will be sent continuously in the time domain.
  • preamble time domain repetition that is, continuously sending multiple preambles in the time domain
  • one PRACH transmission means that multiple preambles will be sent continuously in the time domain.
  • Each preamble is transmitted as a whole, and multi-PRACH transmission means multiple PRACH transmissions.
  • sending multiple PRACH transmission configurations to the terminal device includes:
  • sending multiple PRACH transmission mode configurations to the terminal equipment includes at least one of the following:
  • sending the first multi-PRACH transmission mode configuration to the terminal equipment includes at least one of the following:
  • sending the second multi-PRACH transmission mode configuration to the terminal device includes at least one of the following:
  • sending multiple PRACH transmission configurations to the terminal device includes at least one of the following:
  • Multi-PRACH transmission configurations are sent to the terminal device, where the multi-PRACH transmission configurations include a first multi-PRACH transmission configuration based on non-contention random access CFRA and a second multi-PRACH transmission configuration based on contention-based random access CBRA.
  • the triggering method of CFRA includes at least one of the following:
  • PScell adds or changes trigger.
  • sending multiple PRACH transmission configurations to the terminal device includes:
  • the PDCCH order PDCCH order is sent to the terminal device, and the PDCCH order carries the first multi-PRACH transmission configuration.
  • sending multiple PRACH transmission configurations to the terminal device includes:
  • the 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.
  • sending multiple PRACH transmission configurations to the terminal device includes:
  • RACH-ConfigDedicated is sent to the terminal device, and the CFRA configuration of RACH-ConfigDedicated carries the first multi-PRACH transmission configuration.
  • sending multiple PRACH transmission configurations to the terminal device includes:
  • the beam failure recovery configuration BeamFailureRecoveryConfig is sent to the terminal device, and the BeamFailureRecoveryConfig carries the first multi-PRACH transmission configuration.
  • sending multiple PRACH transmission configurations to the terminal device includes:
  • the second multi-PRACH transmission configuration is sent to the terminal device through broadcast signaling or through dedicated signaling.
  • the broadcast signaling includes system message block 1SIB1.
  • dedicated signaling includes at least one of the following:
  • RRC establishes the RRCSetup message.
  • sending multiple PRACH transmission configurations to the terminal device includes:
  • the RACH configuration includes common RACH resources configured separately on each partial bandwidth BWP.
  • sending the RACH configuration to the terminal device includes:
  • sending the RACH configuration to the terminal device includes:
  • sending multiple PRACH transmission configurations to the terminal device includes:
  • sending the dedicated RACH configuration to the terminal device includes:
  • the BeamFailureRecoveryConfig In response to the CBRA triggered by beam failure recovery, send the beam failure recovery configuration BeamFailureRecoveryConfig to the terminal device, the BeamFailureRecoveryConfig carrying the second multi-PRACH transmission configuration configured in the dedicated RACH configuration.
  • sending multiple PRACH transmission configurations to the terminal device includes:
  • the dedicated random access configuration RACH-ConfigDedicated is sent to the terminal device, and the RACH-ConfigDedicated carries the second multi-PRACH transmission configuration configured in the dedicated RACH configuration.
  • sending multiple PRACH transmission configurations to the terminal device includes:
  • a RACH-ConfigDedicated is sent to the terminal device, the RACH-ConfigDedicated carrying the second multi-PRACH transmission configuration configured in the dedicated RACH configuration.
  • sending multiple PRACH transmission configurations to the terminal device includes:
  • the feature combination includes a Coverage Enhancement feature, where the Coverage Enhancement feature is used to indicate that the Coverage Enhancement feature supports the second plurality of PRACH transmissions.
  • the method further includes:
  • Receive PRACH capability information sent by the terminal device where the PRACH capability information is used to indicate the capability information of the terminal device to support multiple PRACH transmissions.
  • receiving PRACH capability information sent by the terminal device includes:
  • the PRACH capability information includes at least one of the following:
  • the method after receiving the PRACH capability information sent by the terminal device, the method further includes:
  • multiple PRACH transmission mode configurations are configured for the terminal equipment through dedicated signaling.
  • the multi-PRACH transmission configuration is sent to the terminal device, where the multi-PRACH transmission configuration is used to instruct the terminal device to send multiple PRACH transmissions corresponding to the PRACH resources used according to the multi-PRACH transmission configuration.
  • SSB usage mode receiving multiple PRACHs transmitted by the terminal equipment on PRACH resources through SSB usage mode.
  • the terminal device can transmit multiple PRACHs on PRACH resources through the SSB usage mode, reducing the situation of multiple PRACHs that cannot be transmitted, and improving the random access success probability.
  • the present disclosure provides a processing method for a "multiple PRACH transmission configuration" situation, so that the terminal equipment transmits multiple PRACHs on the PRACH resources through the SSB usage mode to improve the coverage of the PRACH channel.
  • Figure 2 is a schematic flowchart of a method for supporting multi-PRACH transmission configuration across SSBs provided by an embodiment of the present disclosure. The method is executed by a network side device. As shown in Figure 2, the method may include the following steps:
  • Step 201 Send the multi-PRACH transmission mode configuration to the terminal device, where the multi-PRACH transmission mode configuration is used to instruct the terminal device to send the SSB usage mode corresponding to the PRACH resources used for multiple PRACH transmissions according to the multi-PRACH transmission configuration;
  • Step 202 Receive multiple PRACHs transmitted by the terminal device on PRACH resources through the SSB usage mode.
  • the multi-PRACH transmission configuration is sent to the terminal device, where the multi-PRACH transmission configuration is used to instruct the terminal device to send multiple PRACH transmissions corresponding to the PRACH resources used according to the multi-PRACH transmission configuration.
  • SSB usage mode receiving multiple PRACHs transmitted by the terminal equipment on PRACH resources through SSB usage mode.
  • the terminal device can transmit multiple PRACHs on PRACH resources through the SSB usage mode, reducing the situation of multiple PRACHs that cannot be transmitted, and improving the random access success probability.
  • the multi-PRACH transmission configuration is specifically disclosed as a multi-PRACH transmission mode configuration.
  • the present disclosure provides a processing method for a "multiple PRACH transmission configuration" situation, so that the terminal equipment transmits multiple PRACHs on the PRACH resources through the SSB usage mode to improve the coverage of the PRACH channel.
  • Figure 3 is a schematic flowchart of a method for supporting multi-PRACH transmission configuration across SSBs provided by an embodiment of the present disclosure. The method is executed by a network side device. As shown in Figure 3, the method may include the following steps, wherein step 301 And step 302 performs one of the following:
  • Step S301 Send a first multi-PRACH transmission mode configuration to the terminal device, where the first multi-PRACH transmission mode configuration is such that the SSBs corresponding to the PRACH resources are the same;
  • the first multi-PRACH transmission mode configuration refers to a multi-PRACH transmission mode configuration in which the SSBs corresponding to the PRACH resources are the same.
  • the first of the first multi-PRACH transmission mode configurations is only used to distinguish it from other multi-PRACH transmission mode configurations, and does not specifically refer to a fixed multi-PRACH transmission mode configuration.
  • the first multi-PRACH transmission mode configuration may also change accordingly.
  • the network side device sends the first multi-PRACH transmission mode configuration to the terminal device, including at least one of the following:
  • the SSB when the SSB includes SSB1, SSB2, SSB3 and SSB4, there are random access opportunities (Random access Opportunity, RO) RO1 and RO2 in SSB1, allowing the first access across SSBs.
  • the multi-PRACH transmission mode configuration may, for example, be used to instruct the terminal device to transmit multi-PRACH through RO1 and RO2 in SSB1. If the total number of PRACH transmissions is less than the configured value N, and there are no remaining ROs in SSB1, the terminal device can send the remaining number of PRACH transmissions in the RO associated with the next SSB1 transmission time.
  • the first multi-PRACH transmission mode configuration across SSBs is not allowed, for example, it can be used to indicate After the terminal device transmits multiple PRACHs through RO1 and RO2 in SSB1, if the total number of PRACH transmissions is less than the configured value N and there are no remaining ROs in SSB1, the terminal device will no longer send the remaining number of multiple PRACHs.
  • Step S302 Send a second multi-PRACH transmission mode configuration to the terminal device, where the second multi-PRACH transmission mode configuration is such that the SSBs corresponding to the PRACH resources are different;
  • the second multi-PRACH transmission mode configuration may be, for example, when SSB includes SSB1, SSB2, SSB3 and SSB4, SSB1 has RO1 and RO2, SSB2 has RO3 and RO4, the second multi-PRACH transmission mode configuration may be, for example
  • the terminal device can transmit multiple PRACH through RO1 in SSB1 and RO3 in SSB2.
  • the network side device sends a second multi-PRACH transmission mode configuration to the terminal device, including at least one of the following:
  • Step S303 Receive multiple PRACHs transmitted by the terminal device on PRACH resources through the SSB usage mode.
  • the first multiple PRACH transmission mode configurations are sent to the terminal device, where the first multiple PRACH transmission mode configurations have the same SSB corresponding to the PRACH resources; the second multiple PRACH transmission mode configurations are sent To the terminal equipment, the second multi-PRACH transmission mode is configured such that the SSBs corresponding to the PRACH resources are different; and multiple PRACHs transmitted by the terminal equipment on the PRACH resources through the SSB usage mode are received.
  • the terminal device can transmit multiple PRACHs on PRACH resources through the SSB usage mode, reducing the situation of multiple PRACHs that cannot be transmitted, and improving the random access success probability.
  • the multi-PRACH transmission mode configuration includes a first multi-PRACH transmission mode configuration and a second multi-PRACH transmission mode configuration.
  • the present disclosure provides a processing method for a "multiple PRACH transmission configuration" situation, so that the terminal equipment transmits multiple PRACHs on the PRACH resources through the SSB usage mode to improve the coverage of the PRACH channel.
  • Figure 4 is a schematic flowchart of a method for supporting multi-PRACH transmission configuration across SSBs provided by an embodiment of the present disclosure. The method is executed by a network side device. As shown in Figure 4, the method may include the following steps:
  • Step 401 Send multiple PRACH transmission configurations to the terminal device, where the multiple PRACH transmission configurations include a first multiple PRACH transmission configuration based on non-contention random access CFRA and a second multiple PRACH transmission configuration based on contention based random access CBRA,
  • the multi-PRACH transmission configuration is used to instruct the terminal device to send the SSB usage mode corresponding to the PRACH resources used for multiple PRACH transmissions according to the multi-PRACH transmission configuration;
  • Step 402 Receive multiple PRACHs transmitted by the terminal device on PRACH resources through the SSB usage mode.
  • the triggering method of CFRA includes at least one of the following:
  • PScell adds or changes trigger.
  • the first multi-PRACH transmission configuration refers to the multi-PRACH transmission configuration based on CFRA
  • the second multi-PRACH transmission configuration refers to the multi-PRACH transmission configuration based on CBRA
  • the first and third multi-PRACH transmission configurations refer to the multi-PRACH transmission configuration based on CBRA. 2 is only used to distinguish the difference between multi-PRACH transmission configurations.
  • the first multi-PRACH transmission configuration and the second multi-PRACH transmission configuration do not specifically refer to a fixed multi-PRACH transmission configuration.
  • multiple PRACH transmission configurations are sent to the terminal device, where the multiple PRACH transmission configurations include a first multiple PRACH transmission configuration based on CFRA and a second multiple PRACH transmission configuration based on CBRA.
  • the PRACH transmission configuration is used to instruct the terminal device to send the SSB usage mode corresponding to the PRACH resources used for multiple PRACH transmissions according to the multi-PRACH transmission configuration; to receive multiple PRACHs transmitted by the terminal device on the PRACH resources through the SSB usage mode.
  • the terminal device can transmit multiple PRACHs on the PRACH resources through the SSB usage mode indicated by the multi-PRACH transmission configuration sent by the network side device, thereby reducing the situation of multiple PRACHs that cannot be transmitted, and improving Random access success probability.
  • the multi-PRACH transmission configuration includes a first multi-PRACH transmission configuration based on CFRA and a second multi-PRACH transmission configuration based on CBRA.
  • the present disclosure provides a processing method for a "multiple PRACH transmission configuration" situation, so that the terminal equipment transmits multiple PRACHs on the PRACH resources through the SSB usage mode to improve the coverage of the PRACH channel.
  • Figure 5 is a schematic flowchart of a method for supporting multi-PRACH transmission configuration across SSBs provided by an embodiment of the present disclosure. The method is executed by a network side device. As shown in Figure 5, the method may include the following steps:
  • Step 501 In response to the CFRA triggered by the PDCCH, send the PDCCH sequence PDCCH order to the terminal device, where the PDCCH order carries the first multi-PRACH transmission configuration, and the first multi-PRACH transmission configuration is used to instruct the terminal device to send multiple PRACH transmission configurations according to the multi-PRACH transmission configuration.
  • the SSB usage pattern corresponding to the PRACH resources used for each PRACH transmission;
  • Step 502 Receive multiple PRACHs transmitted by the terminal device on PRACH resources through the SSB usage mode.
  • the triggering method of CFRA includes at least one of the following:
  • PScell adds or changes trigger.
  • the network side device may send a PDCCH order to the terminal device. Since the PDCCH order carries the first multi-PRACH transmission configuration, the first multi-PRACH transmission configuration is used to instruct the terminal device to send the SSB usage mode corresponding to the PRACH resources used for multiple PRACH transmissions according to the multi-PRACH transmission configuration.
  • the terminal device can pass the SSB Using multiple PRACHs transmitted on PRACH resources, the network side device can receive multiple PRACHs transmitted by the terminal device on PRACH resources using SSB usage patterns.
  • the PDCCH order PDCCH order in response to the CFRA triggered by the PDCCH, is sent to the terminal device, where the PDCCH order carries the first multi-PRACH transmission configuration, and the first multi-PRACH transmission configuration is used Instruct the terminal equipment to send the SSB usage mode corresponding to the PRACH resources used for multiple PRACH transmissions according to the multi-PRACH transmission configuration; receive multiple PRACHs transmitted by the terminal equipment on the PRACH resources through the SSB usage mode.
  • the network side device in response to the CFRA triggered by PDCCH, can send a PDCCH order to the terminal device to send the first multiple PRACH transmission configurations to the terminal device, which can improve the efficiency of sending the first multiple PRACH transmission configurations. accuracy.
  • the terminal device can transmit multiple PRACHs on PRACH resources through the SSB usage mode indicated by the first multi-PRACH transmission configuration sent by the network side device, reducing the situation of multiple PRACHs that cannot be transmitted. It can improve the probability of successful random access.
  • the present disclosure provides a processing method for a "multiple PRACH transmission configuration" situation, so that the terminal equipment transmits multiple PRACHs on the PRACH resources through the SSB usage mode to improve the coverage of the PRACH channel.
  • Figure 6 is a schematic flowchart of a method for supporting multi-PRACH transmission configuration across SSBs provided by an embodiment of the present disclosure. The method is executed by a network side device. As shown in Figure 6, the method may include the following steps:
  • Step 601 In response to the CFRA triggered by PScell addition or change, send the dedicated random access configuration RACH-ConfigDedicated to the terminal device, where the CFRA configuration of RACH-ConfigDedicated carries the first multi-PRACH transmission configuration, and the first multi-PRACH transmission configuration is Instructing the terminal equipment to send the SSB usage mode corresponding to the PRACH resources used for multiple PRACH transmissions according to the multi-PRACH transmission configuration;
  • Step 602 Receive multiple PRACHs transmitted by the terminal device on PRACH resources through the SSB usage mode.
  • the triggering method of CFRA includes at least one of the following:
  • PScell adds or changes trigger.
  • the network side device may send RACH-ConfigDedicated to the terminal device. Since RACH-ConfigDedicated carries the first multi-PRACH transmission configuration, the first multi-PRACH transmission configuration is used to instruct the terminal device to send the SSB usage mode corresponding to the PRACH resources used for multiple PRACH transmissions according to the multi-PRACH transmission configuration.
  • the terminal device can pass Multiple PRACHs are transmitted on PRACH resources in the SSB usage mode.
  • the network side device can receive multiple PRACHs transmitted on PRACH resources by the terminal device in the SSB usage mode.
  • RACH-ConfigDedicated in response to the CFRA triggered by PScell addition or change, RACH-ConfigDedicated is sent to the terminal device, where the CFRA configuration of RACH-ConfigDedicated carries the first multi-PRACH transmission configuration, and the first The multi-PRACH transmission configuration is used to instruct the terminal device to send the SSB usage mode corresponding to the PRACH resources used for multiple PRACH transmissions according to the multi-PRACH transmission configuration; to receive multiple PRACHs transmitted by the terminal device on the PRACH resources through the SSB usage mode.
  • the network side device in response to the CFRA triggered by PScell addition or change, can send RACH-ConfigDedicated to the terminal device to send the first multiple PRACH transmission configurations to the terminal device, which can improve the first multiple PRACH Accuracy of transmission configuration sent.
  • the terminal device can transmit multiple PRACHs on PRACH resources through the SSB usage mode indicated by the first multi-PRACH transmission configuration sent by the network side device, reducing the situation of multiple PRACHs that cannot be transmitted. It can improve the probability of successful random access.
  • the present disclosure provides a processing method for a "multiple PRACH transmission configuration" situation, so that the terminal equipment transmits multiple PRACHs on the PRACH resources through the SSB usage mode to improve the coverage of the PRACH channel.
  • Figure 7 is a schematic flowchart of a method for supporting multi-PRACH transmission configuration across SSBs provided by an embodiment of the present disclosure. The method is executed by a network side device. As shown in Figure 7, the method may include the following steps:
  • Step 701 In response to the CFRA triggered by the handover, send RACH-ConfigDedicated to the terminal device, where the CFRA configuration of RACH-ConfigDedicated carries the first multi-PRACH transmission configuration, and the first multi-PRACH transmission configuration is used to instruct the terminal device to transmit according to the multi-PRACH Configure the SSB usage mode corresponding to the PRACH resources used to send multiple PRACH transmissions;
  • Step 702 Receive multiple PRACHs transmitted by the terminal device on PRACH resources through the SSB usage mode.
  • the triggering method of CFRA includes at least one of the following:
  • PScell adds or changes trigger.
  • the network side device may send RACH-ConfigDedicated to the terminal device. Since RACH-ConfigDedicated carries the first multi-PRACH transmission configuration, the first multi-PRACH transmission configuration is used to instruct the terminal device to send the SSB usage mode corresponding to the PRACH resources used for multiple PRACH transmissions according to the multi-PRACH transmission configuration.
  • the terminal device can pass Multiple PRACHs are transmitted on PRACH resources in the SSB usage mode.
  • the network side device can receive multiple PRACHs transmitted on PRACH resources by the terminal device in the SSB usage mode.
  • RACH-ConfigDedicated in response to the CFRA triggered by the handover, RACH-ConfigDedicated is sent to the terminal device, where the CFRA configuration of RACH-ConfigDedicated carries the first multi-PRACH transmission configuration, and the first multi-PRACH transmission configuration
  • the configuration is used to instruct the terminal device to send the SSB usage mode corresponding to the PRACH resources used for multiple PRACH transmissions according to the multi-PRACH transmission configuration; to receive multiple PRACHs transmitted by the terminal device on the PRACH resources through the SSB usage mode.
  • the network side device in response to the CFRA triggered by the handover, can send RACH-ConfigDedicated to the terminal device to send the first multiple PRACH transmission configurations to the terminal device, which can improve the sending of the first multiple PRACH transmission configurations. accuracy.
  • the terminal device can transmit multiple PRACHs on PRACH resources through the SSB usage mode indicated by the first multi-PRACH transmission configuration sent by the network side device, reducing the situation of multiple PRACHs that cannot be transmitted. It can improve the probability of successful random access.
  • the present disclosure provides a processing method for a "multiple PRACH transmission configuration" situation, so that the terminal equipment transmits multiple PRACHs on the PRACH resources through the SSB usage mode to improve the coverage of the PRACH channel.
  • Figure 8 is a schematic flowchart of a method for supporting multi-PRACH transmission configuration across SSBs provided by an embodiment of the present disclosure. The method is executed by a network side device. As shown in Figure 8, the method may include the following steps:
  • Step 801 In response to the CFRA triggered by beam failure recovery, send the beam failure recovery configuration BeamFailureRecoveryConfig to the terminal device, where the BeamFailureRecoveryConfig carries the first multi-PRACH transmission configuration, and the first multi-PRACH transmission configuration is used to instruct the terminal device according to the multi-PRACH transmission configuration.
  • SSB usage pattern corresponding to the PRACH resources used to send multiple PRACH transmissions;
  • Step 802 Receive multiple PRACHs transmitted by the terminal device on PRACH resources through the SSB usage mode.
  • the network side device may send BeamFailureRecoveryConfig to the terminal device. Since BeamFailureRecoveryConfig carries the first multi-PRACH transmission configuration, the first multi-PRACH transmission configuration is used to instruct the terminal device to send the SSB usage mode corresponding to the PRACH resources used for multiple PRACH transmissions according to the multi-PRACH transmission configuration.
  • the terminal device can use SSB according to The network side device can receive multiple PRACHs transmitted by the terminal device on PRACH resources through the SSB usage mode.
  • the BeamFailureRecoveryConfig in response to the CFRA triggered by beam failure recovery, the BeamFailureRecoveryConfig is sent to the terminal device, where the CFRA configuration of the BeamFailureRecoveryConfig carries the first multi-PRACH transmission configuration, and the first multi-PRACH transmission configuration is Instructing the terminal equipment to send the SSB usage mode corresponding to the PRACH resources used for multiple PRACH transmissions according to the multi-PRACH transmission configuration; receiving multiple PRACHs transmitted by the terminal equipment on the PRACH resources through the SSB usage mode.
  • the network side device can send BeamFailureRecoveryConfig to the terminal device to send the first multiple PRACH transmission configurations to the terminal device, which can improve the sending of the first multiple PRACH transmission configurations. accuracy.
  • the terminal device can transmit multiple PRACHs on PRACH resources through the SSB usage mode indicated by the first multi-PRACH transmission configuration sent by the network side device, reducing the situation of multiple PRACHs that cannot be transmitted. It can improve the probability of successful random access.
  • the present disclosure provides a processing method for a "multiple PRACH transmission configuration" situation, so that the terminal equipment transmits multiple PRACHs on the PRACH resources through the SSB usage mode to improve the coverage of the PRACH channel.
  • Figure 9 is a schematic flowchart of a method for supporting multi-PRACH transmission configuration across SSBs provided by an embodiment of the present disclosure. The method is executed by a network side device. As shown in Figure 9, the method may include the following steps:
  • Step 901 Send the second multi-PRACH transmission configuration to the terminal device through broadcast signaling or through dedicated signaling, where the second multi-PRACH transmission configuration is used to instruct the terminal device to send multiple PRACH transmission configurations according to the multi-PRACH transmission configuration.
  • SSB usage pattern corresponding to PRACH resources
  • Step 902 Receive multiple PRACHs transmitted by the terminal device on PRACH resources through the SSB usage mode.
  • the broadcast signaling includes system message block 1SIB1.
  • dedicated signaling includes at least one of the following:
  • RRC establishes the RRCSetup message.
  • the second multi-PRACH transmission configuration is sent to the terminal device through broadcast signaling or through dedicated signaling, where the second multi-PRACH transmission configuration is used to instruct the terminal device according to the multi-PRACH transmission configuration.
  • the transmission configuration sends the SSB usage mode corresponding to the PRACH resources used for multiple PRACH transmissions; receives multiple PRACHs transmitted by the terminal equipment on the PRACH resources through the SSB usage mode.
  • sending the second multiple PRACH transmission configurations to the terminal device through broadcast signaling or dedicated signaling can improve the accuracy of sending the second multiple PRACH transmission configurations.
  • the present disclosure provides a processing method for a "multiple PRACH transmission configuration" situation, so that the terminal equipment transmits multiple PRACHs on the PRACH resources through the SSB usage mode to improve the coverage of the PRACH channel.
  • Figure 10 is a schematic flowchart of a method for supporting multi-PRACH transmission configuration across SSBs provided by an embodiment of the present disclosure. The method is executed by a network side device. As shown in Figure 10, the method may include the following steps:
  • Step 1001 Send a common random access channel RACH configuration to the terminal device, where the RACH configuration carries a second multi-PRACH transmission configuration, and the second multi-PRACH transmission configuration is used to instruct the terminal device to send multiple PRACH transmission configurations according to the multi-PRACH transmission configuration.
  • Step 1002 Receive multiple PRACHs transmitted by the terminal device on PRACH resources through the SSB usage mode.
  • the RACH configuration includes public RACH resources configured separately on each partial bandwidth BWP.
  • sending RACH configuration to the terminal device includes:
  • sending RACH configuration to the terminal device includes:
  • sending multiple PRACH transmission configurations to the terminal device includes:
  • sending the dedicated RACH configuration to the terminal device includes:
  • the beam failure recovery configuration BeamFailureRecoveryConfig is sent to the terminal device, wherein the BeamFailureRecoveryConfig carries the second multi-PRACH transmission configuration configured in the dedicated RACH configuration.
  • sending multiple PRACH transmission configurations to the terminal device includes:
  • the dedicated random access configuration RACH-ConfigDedicated is sent to the terminal device, where the RACH-ConfigDedicated carries the second multi-PRACH transmission configuration configured in the dedicated RACH configuration.
  • sending multiple PRACH transmission configurations to the terminal device includes:
  • RACH-ConfigDedicated is sent to the terminal device, wherein the RACH-ConfigDedicated carries the second multi-PRACH transmission configuration configured in the dedicated RACH configuration.
  • the RACH configuration is sent to the terminal device, where the RACH configuration carries the second multi-PRACH transmission configuration, and the second multi-PRACH transmission configuration is used to instruct the terminal device to send according to the multi-PRACH transmission configuration.
  • the SSB usage mode corresponding to the PRACH resources used for multiple PRACH transmissions; receiving multiple PRACHs transmitted by the terminal equipment on the PRACH resources through the SSB usage mode.
  • the RACH configuration is sent to the terminal device to send the second multiple PRACH transmission configurations to the terminal device, which can improve the accuracy of sending the second multiple PRACH transmission configurations.
  • the present disclosure provides a processing method for a "multiple PRACH transmission configuration" situation, so that the terminal equipment transmits multiple PRACHs on the PRACH resources through the SSB usage mode to improve the coverage of the PRACH channel.
  • Figure 11 is a schematic flowchart of a method for supporting multi-PRACH transmission configuration across SSBs provided by an embodiment of the present disclosure. The method is executed by a network side device. As shown in Figure 11, the method may include the following steps:
  • Step 1101. Send the RACH configuration of the feature combination to the terminal device.
  • the RACH configuration of the feature combination carries the second multi-PRACH transmission configuration.
  • the second multi-PRACH transmission configuration is used to instruct the terminal device to send multiple PRACH transmission configurations according to the multi-PRACH transmission configuration.
  • the SSB usage pattern corresponding to the PRACH resources used for PRACH transmission;
  • Step 1102 Receive multiple PRACHs transmitted by the terminal device on PRACH resources through the SSB usage mode.
  • the feature combination includes a Coverage Enhancement feature, where the Coverage Enhancement feature is used to indicate that the Coverage Enhancement feature supports the second plurality of PRACH transmissions.
  • feature combination may include at least one of the following:
  • the RACH configuration of the feature combination is sent to the terminal device, where the RACH configuration of the feature combination carries the second multi-PRACH transmission configuration, and the second multi-PRACH transmission configuration is used to indicate the terminal device.
  • the RACH configuration of the feature combination is specifically disclosed to be sent to the terminal device to send the second multiple PRACH transmission configurations to the terminal device, which can improve the accuracy of sending the second multiple PRACH transmission configurations.
  • the present disclosure provides a processing method for a "multiple PRACH transmission configuration" situation, so that the terminal equipment transmits multiple PRACHs on the PRACH resources through the SSB usage mode to improve the coverage of the PRACH channel.
  • Figure 12 is a schematic flowchart of a method for supporting multi-PRACH transmission configuration across SSBs provided by an embodiment of the present disclosure. The method is executed by a terminal device. As shown in Figure 12, the method may include the following steps:
  • Step 1201 Transmit multiple PRACHs on PRACH resources to the network side device through the SSB usage mode.
  • multiple PRACHs are transmitted to the network side device on PRACH resources through SSB usage mode, including at least one of the following:
  • transmitting multiple PRACHs to the network side device on the PRACH resources corresponding to the first multi-PRACH transmission mode configuration includes at least one of the following:
  • the first multi-PRACH transmission mode configuration transmit multiple PRACHs to the network side device on the PRACH resources corresponding to the first multi-PRACH transmission across SSBs;
  • multiple PRACHs are transmitted to the network side device on PRACH resources corresponding to the first multi-PRACH transmission that is not allowed across SSBs.
  • multiple PRACHs are transmitted to the network side device on the PRACH resources corresponding to the second multi-PRACH transmission mode configuration, including at least one of the following:
  • multiple PRACHs are transmitted to the network side device on the PRACH resources corresponding to the second multi-PRACH transmission that allows SSB gaps between PRACH transmissions.
  • multiple PRACHs are transmitted to the network side device on the PRACH resources corresponding to the second multi-PRACH transmission that does not allow SSB gaps between PRACH transmissions.
  • the method further includes:
  • sending PRACH capability information to the network side device includes:
  • UECapabilityInformation carries PRACH capability information.
  • the PRACH capability information includes at least one of the following:
  • the method before transmitting multiple PRACHs on PRACH resources to the network side device through the SSB usage mode, the method further includes:
  • receiving multiple PRACH transmission configurations sent by the network side device includes at least one of the following:
  • Receive multi-PRACH transmission configurations sent by the network side device where the multi-PRACH transmission configurations include a first multi-PRACH transmission configuration based on CFRA and a second multi-PRACH transmission configuration based on CBRA.
  • multiple PRACHs are transmitted to the network side device on PRACH resources through the SSB usage mode.
  • the terminal device can transmit multiple PRACHs on PRACH resources through the SSB usage mode, reducing the situation of multiple PRACHs that cannot be transmitted, and improving the random access success probability.
  • the present disclosure provides a processing method for a "multiple PRACH transmission configuration" situation, so that the terminal equipment transmits multiple PRACHs on the PRACH resources through the SSB usage mode to improve the coverage of the PRACH channel.
  • Figure 13 is a schematic flowchart of a method for supporting multi-PRACH transmission configuration across SSBs provided by an embodiment of the present disclosure. The method is executed by a terminal device. As shown in Figure 13, the method may include the following steps:
  • Step 1301 Transmit multiple PRACHs to the network side device on the PRACH resources corresponding to the first multi-PRACH transmission mode configuration, where the first multi-PRACH transmission mode configuration is such that the SSBs corresponding to the PRACH resources used for multi-PRACH transmission are the same.
  • the SSBs corresponding to the PRACH resources used in multiple PRACH transmissions are the same.
  • the beams may be the same, which may refer to the beam identifier corresponding to the beam (the reference signal sequence number of the channel state index CSI-RS- Index or SSB serial number SSB-Index) are the same, or refer to the same beam.
  • Multiple PRACH transmissions are sent on different RACH Occasions (ROs) associated with the same beam.
  • ROs RACH Occasions
  • the multi-PRACH transmission mode configuration may be sent by the network side device, or the PRACH transmission mode configuration does not need to be set by the network side device, but is agreed upon by the system.
  • the network side device may indicate the beam identifier (CSI-RS-Index or SSB-Index) of the beam that transmits multiple PRACH transmissions.
  • transmitting multiple PRACHs to the network side device on the PRACH resources corresponding to the first multi-PRACH transmission mode configuration includes at least one of the following:
  • the first multi-PRACH transmission mode configuration transmit multiple PRACHs to the network side device on the PRACH resources corresponding to the first multi-PRACH transmission across SSBs;
  • multiple PRACHs are transmitted to the network side device on PRACH resources corresponding to the first multi-PRACH transmission that is not allowed across SSBs.
  • the terminal device after the terminal device sends one or more PRACH transmissions on one or more ROs associated with one SSB, if The total number of PRACH transmissions is less than the configured value N. If there are no remaining ROs in the current SSB, the UE will send the remaining number of PRACH transmissions to the RO associated with the next SSB transmission time.
  • N is a positive integer.
  • N is a positive integer.
  • multiple PRACHs are transmitted to the network side device on the PRACH resources corresponding to the first multi-PRACH transmission mode configuration, where the first multi-PRACH transmission mode configuration is used for multi-PRACH transmission.
  • the PRACH resources used correspond to the same SSB.
  • the terminal device can transmit multiple PRACHs on the PRACH resources corresponding to the first multi-PRACH transmission mode configuration, reducing the situation of multiple PRACHs that cannot be transmitted, and improving the random access success probability.
  • the present disclosure provides a processing method for a "multiple PRACH transmission configuration" situation, so that the terminal equipment transmits multiple PRACHs on the PRACH resources through the SSB usage mode to improve the coverage of the PRACH channel.
  • Figure 14 is a schematic flowchart of a method for supporting multi-PRACH transmission configuration across SSBs provided by an embodiment of the present disclosure. The method is executed by a terminal device. As shown in Figure 14, the method may include the following steps:
  • Step 1401 Transmit multiple PRACHs to the network side device on the PRACH resources corresponding to the second multi-PRACH transmission mode configuration, where the second multi-PRACH transmission mode is configured as a time domain random access opportunity RO resource used for multiple PRACH transmissions. Belong to the same SSB or different SSB.
  • the second multi-PRACH transmission mode configuration is used to indicate that the beams are different, for example, it may mean that the beam identifiers (CSI-RS-Index or SSB-Index) corresponding to the beams are different, Or it can refer to different beams.
  • the SSBs delivered by the network side device are SSB1, SSB2, SSB3, SSB4, SSB1, SSB2, and SSB3 in chronological order. Then the first SSB1 and the second SSB1 are not the same beam.
  • different beams correspond to two methods: Method 1, different PRACH transmissions must be on ROs associated with different beams; Method 2, different PRACH transmissions can be on ROs associated with different beams, or they can be on the same beam On the associated RO, or part of it is transmitted on the RO associated with one beam, and the other part is transmitted on the RO associated with another beam.
  • multiple PRACHs are transmitted to the network side device on the PRACH resources corresponding to the second multi-PRACH transmission mode configuration, including at least one of the following:
  • multiple PRACHs are transmitted to the network side device on the PRACH resources corresponding to the second multi-PRACH transmission that allows SSB gaps between PRACH transmissions;
  • multiple PRACHs are transmitted to the network side device on the PRACH resources corresponding to the second multi-PRACH transmission that does not allow SSB gaps between PRACH transmissions.
  • the terminal device in the second multi-PRACH transmission that allows SSB gaps between PRACH transmissions, for example, when the terminal device sends one or more PRACHs on one or more ROs associated with an SSB After transmission, if the total number of PRACH transmissions is less than the configured value N, and the current SSB has no remaining RO, but the RSRP of the next SSB does not meet the threshold requirements, the terminal device can skip the RO of the SSB and use the next RSRP that meets the threshold. RO resources of SSB.
  • the terminal device after the terminal device sends one or more PRACH transmissions on one or more ROs associated with an SSB1, if the total number of PRACH transmissions is less than the configured value N, and the current SSB1 has no remaining RO, but the RSRP of SSB2 does not meet the threshold requirements.
  • the terminal device can skip the RO of SSB2.
  • the terminal device can use the RO resources of SSB3.
  • the terminal device in the second multi-PRACH transmission that does not allow SSB gaps between PRACH transmissions, when the terminal device sends one or more PRACHs on one or more ROs associated with an SSB After transmission, if the total number of PRACH transmissions is less than the configured value N, and if the current SSB has no remaining ROs but the RSRP of the next SSB does not meet the threshold requirements, the terminal device stops the remaining number of multiple PRACH transmissions.
  • the terminal device after the terminal device sends one or more PRACH transmissions on one or more ROs associated with an SSB1, if the total number of PRACH transmissions is less than the configured value N, if the current SSB1 does not The remaining ROs, but the RSRP of SSB2 does not meet the threshold requirements, and the terminal device stops the remaining number of multi-PRACH transmissions.
  • multiple PRACHs are transmitted to the network side device on the PRACH resources corresponding to the second multi-PRACH transmission mode configuration, where the second multi-PRACH transmission mode is configured as multiple PRACHs.
  • the time-domain random access opportunity RO resources used for transmission belong to the same SSB or different SSBs.
  • the terminal device can transmit multiple PRACHs to the network side device on the PRACH resources corresponding to the second multi-PRACH transmission mode configuration, reducing the situation of multiple PRACHs that cannot be transmitted, and improving the success of random access. Probability.
  • the present disclosure provides a processing method for a "multiple PRACH transmission configuration" situation, so that the terminal equipment transmits multiple PRACHs on the PRACH resources through the SSB usage mode to improve the coverage of the PRACH channel.
  • Figure 15 is a schematic flowchart of a method for supporting multi-PRACH transmission configuration across SSBs provided by an embodiment of the present disclosure. The method is executed by a terminal device. As shown in Figure 15, the method may include the following steps:
  • Step 1501 Send PRACH capability information to the network side device, where the PRACH capability information is used to indicate that the terminal device supports multiple PRACH transmission capability information;
  • sending PRACH capability information to the network side device includes:
  • UECapabilityInformation carries PRACH capability information.
  • RACH capability information includes at least one of the following:
  • Step 1502 Receive the multi-PRACH transmission configuration sent by the network side device, where the multi-PRACH transmission configuration is used to instruct the terminal device to send the SSB usage mode corresponding to the PRACH resources used for multiple PRACH transmissions according to the multi-PRACH transmission configuration;
  • receiving multiple PRACH transmission configurations sent by the network side device includes at least one of the following:
  • Receive multi-PRACH transmission configurations sent by the network side device where the multi-PRACH transmission configurations include a first multi-PRACH transmission configuration based on CFRA and a second multi-PRACH transmission configuration based on CBRA.
  • Step 1503 Transmit multiple PRACHs on PRACH resources to the network side device through the SSB usage mode.
  • steps 1501-1503 please refer to the description of the above embodiments, and the embodiments of this disclosure will not be described again here.
  • PRACH capability information is sent to the network side device, where the PRACH capability information is used to indicate that the terminal device supports multiple PRACH transmission capability information, and the multiple PRACH transmission configuration sent by the network side device is received.
  • the multi-PRACH transmission configuration is used to instruct the terminal device to send the SSB usage mode corresponding to the PRACH resources used for multiple PRACH transmissions according to the multi-PRACH transmission configuration, and transmit multiple PRACHs to the network side device on the PRACH resources through the SSB usage mode.
  • the terminal device sends PRACH capability information to the network side device to receive the multi-PRACH transmission configuration sent by the network-side device, which can improve the accuracy of sending the multi-PRACH transmission configuration.
  • the present disclosure provides a processing method for the situation of "multiple PRACH transmission configurations" to reduce the duration of multi-PRACH transmission configurations, improve the efficiency of multi-PRACH transmission configurations, and thereby improve the convenience of parameter adjustment for network-side devices.
  • Figure 16 is a schematic structural diagram of a device that supports multiple PRACH transmission configurations across SSBs provided by an embodiment of the present disclosure. As shown in Figure 16, the device 1600 may include:
  • Sending module 1601 configured to send multiple PRACH transmission configurations to terminal equipment, where the multiple PRACH transmission configurations are used to instruct the terminal equipment to send SSBs corresponding to PRACH resources used for multiple PRACH transmissions according to the multiple PRACH transmission configurations. usage patterns;
  • the receiving module 1602 is configured to receive multiple PRACHs transmitted by the terminal equipment on the PRACH resources through the SSB usage mode.
  • the multi-PRACH transmission configuration can be sent to the terminal device through the sending module, wherein the multi-PRACH transmission configuration is used to indicate to the terminal
  • the device sends an SSB usage mode corresponding to the PRACH resources used for multiple PRACH transmissions according to the multi-PRACH transmission configuration; the receiving module can receive multiple PRACHs transmitted by the terminal device on the PRACH resources through the SSB usage mode.
  • the device that supports multi-PRACH transmission configuration across SSB can send multi-PRACH transmission configuration to the terminal equipment, so that the terminal equipment transmits multiple PRACHs on the PRACH resources through the SSB usage mode, reducing the number of untransmittable PRACHs.
  • the case of multiple PRACHs can improve the probability of random access success.
  • the present disclosure provides a processing device for a "multiple PRACH transmission configuration" situation, so that the terminal equipment transmits multiple PRACHs on the PRACH resources through the SSB usage mode to improve the coverage of the PRACH channel.
  • the sending module 1601 is used to send multiple PRACH transmission configurations to the terminal device, specifically for:
  • the sending module 1601 is used to send the multi-PRACH transmission mode configuration to the terminal device, including at least one of the following:
  • the sending module 1601, used to send the first multi-PRACH transmission mode configuration to the terminal device includes at least one of the following:
  • the sending module 1601 is configured to send the second multi-PRACH transmission mode configuration to the terminal device, including at least one of the following:
  • the sending module 1601 is used to send multiple PRACH transmission configurations to the terminal equipment, including at least one of the following:
  • Multi-PRACH transmission configurations are sent to the terminal device, where the multi-PRACH transmission configurations include a first multi-PRACH transmission configuration based on non-contention random access CFRA and a second multi-PRACH transmission configuration based on contention-based random access CBRA.
  • the triggering method of CFRA includes at least one of the following:
  • PScell adds or changes trigger.
  • the sending module 1601 is used to send multiple PRACH transmission configurations to the terminal device, specifically for:
  • the PDCCH order PDCCH order is sent to the terminal device, and the PDCCH order carries the first multi-PRACH transmission configuration.
  • the sending module 1601 is used to send multiple PRACH transmission configurations to the terminal device, specifically for:
  • the 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.
  • the sending module 1601 is used to send multiple PRACH transmission configurations to the terminal device, specifically for:
  • RACH-ConfigDedicated is sent to the terminal device, and the CFRA configuration of RACH-ConfigDedicated carries the first multi-PRACH transmission configuration.
  • the sending module 1601 is used to send multiple PRACH transmission configurations to the terminal device, specifically for:
  • the beam failure recovery configuration BeamFailureRecoveryConfig is sent to the terminal device, and the BeamFailureRecoveryConfig carries the first multi-PRACH transmission configuration.
  • the sending module 1601 is used to send multiple PRACH transmission configurations to the terminal device, specifically for:
  • the second multi-PRACH transmission configuration is sent to the terminal device through broadcast signaling or through dedicated signaling.
  • the broadcast signaling includes system message block 1SIB1.
  • dedicated signaling includes at least one of the following:
  • RRC establishes the RRCSetup message.
  • the sending module 1601 is used to send multiple PRACH transmission configurations to the terminal device, specifically for:
  • the RACH configuration includes common RACH resources configured separately on each partial bandwidth BWP.
  • the sending module 1601 is used to send the RACH configuration to the terminal device, specifically for:
  • the sending module 1601 is used to send the RACH configuration to the terminal device, specifically for:
  • the sending module 1601 is used to send multiple PRACH transmission configurations to the terminal device, specifically for:
  • the sending module 1601 is used to send the dedicated RACH configuration to the terminal device, specifically for:
  • the BeamFailureRecoveryConfig In response to the CBRA triggered by beam failure recovery, send the beam failure recovery configuration BeamFailureRecoveryConfig to the terminal device, the BeamFailureRecoveryConfig carrying the second multi-PRACH transmission configuration configured in the dedicated RACH configuration.
  • the sending module 1601 is used to send multiple PRACH transmission configurations to the terminal device, specifically for:
  • the dedicated random access configuration RACH-ConfigDedicated is sent to the terminal device, and the RACH-ConfigDedicated carries the second multi-PRACH transmission configuration configured in the dedicated RACH configuration.
  • the sending module 1601 is used to send multiple PRACH transmission configurations to the terminal device, specifically for:
  • a RACH-ConfigDedicated is sent to the terminal device, the RACH-ConfigDedicated carrying the second multi-PRACH transmission configuration configured in the dedicated RACH configuration.
  • the sending module 1601 is used to send multiple PRACH transmission configurations to the terminal device, specifically for:
  • the feature combination includes a Coverage Enhancement feature, where the Coverage Enhancement feature is used to indicate that the Coverage Enhancement feature supports the second plurality of PRACH transmissions.
  • the receiving module 1602 is also configured to receive PRACH capability information sent by the terminal device, where the PRACH capability information is used to indicate that the terminal device supports multiple PRACH transmission capability information.
  • the receiving module 1602 is used to receive the PRACH capability information sent by the terminal device, specifically for:
  • the PRACH capability information includes at least one of the following:
  • the method after receiving the PRACH capability information sent by the terminal device, the method further includes:
  • multiple PRACH transmission mode configurations are configured for the terminal equipment through dedicated signaling.
  • Figure 17 is a schematic structural diagram of a device that supports multiple PRACH transmission configurations across SSBs provided by an embodiment of the present disclosure. As shown in Figure 17, the device 1700 may include:
  • the transmission module 1701 is used to transmit multiple PRACHs on PRACH resources to the network side device through the SSB usage mode.
  • the transmission module can transmit multiple PRACHs on PRACH resources to the network side device through the SSB usage mode.
  • the multi-PRACH transmission configuration can transmit multiple PRACHs on PRACH resources through the SSB usage mode, reducing the situation of multiple PRACHs that cannot be transmitted, and improving the random access success probability.
  • the present disclosure provides a processing device for a "multiple PRACH transmission configuration" situation, so that the terminal equipment transmits multiple PRACHs on the PRACH resources through the SSB usage mode to improve the coverage of the PRACH channel.
  • the transmission module 1701 is configured to transmit multiple PRACHs to the network side device on PRACH resources through the SSB usage mode, including at least one of the following:
  • the transmission module 1701 is configured to transmit multiple PRACHs to the network side device on the PRACH resources corresponding to the first multi-PRACH transmission mode configuration, including at least one of the following:
  • the first multi-PRACH transmission mode configuration transmit multiple PRACHs to the network side device on the PRACH resources corresponding to the first multi-PRACH transmission across SSBs;
  • multiple PRACHs are transmitted to the network side device on PRACH resources corresponding to the first multi-PRACH transmission that is not allowed across SSBs.
  • the transmission module 1701 is configured to transmit multiple PRACHs to the network side device on the PRACH resources corresponding to the second multi-PRACH transmission mode configuration, including at least one of the following:
  • multiple PRACHs are transmitted to the network side device on the PRACH resources corresponding to the second multi-PRACH transmission that allows SSB gaps between PRACH transmissions.
  • multiple PRACHs are transmitted to the network side device on the PRACH resources corresponding to the second multi-PRACH transmission that does not allow SSB gaps between PRACH transmissions.
  • the transmission module 1701 is also configured to send PRACH capability information to the network side device, where the PRACH capability information is used to indicate that the terminal device supports multiple PRACH transmission capability information.
  • the transmission module 1701 is also used to send PRACH capability information to the network side device, including:
  • UECapabilityInformation carries PRACH capability information.
  • the PRACH capability information includes at least one of the following:
  • the method before transmitting multiple PRACHs on PRACH resources to the network side device through the SSB usage mode, the method further includes:
  • receiving multiple PRACH transmission configurations sent by the network side device includes at least one of the following:
  • Receive multi-PRACH transmission configurations sent by the network side device where the multi-PRACH transmission configurations include a first multi-PRACH transmission configuration based on CFRA and a second multi-PRACH transmission configuration based on CBRA.
  • Figure 18 is a block diagram of a terminal device UE1600 provided by an embodiment of the present disclosure.
  • the UE1600 can be a mobile phone, a computer, a digital broadcast terminal device, a messaging device, a game console, a tablet device, a medical device, a fitness device, a personal digital assistant, etc.
  • the UE 1800 may include at least one of the following components: a processing component 1802 , a memory 1804 , a power component 1806 , a multimedia component 1808 , an audio component 1810 , an input/output (I/O) interface 1812 , a sensor component 1814 , and a communication component. 1818.
  • Processing component 1802 generally controls the overall operations of UE 1800, such as operations associated with display, phone calls, data communications, camera operations, and recording operations.
  • the processing component 1802 may include at least one processor 1820 to execute instructions to complete all or part of the steps of the above method. Additionally, processing component 1802 may include at least one module that facilitates interaction between processing component 1802 and other components. For example, processing component 1802 may include a multimedia module to facilitate interaction between multimedia component 1808 and processing component 1802.
  • Memory 1804 is configured to store various types of data to support operations at UE 1800. Examples of this data include instructions for any application or method operating on the UE1800, contact data, phonebook data, messages, pictures, videos, etc.
  • Memory 1804 may be implemented by 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 (EEPROM), Programmable read-only memory (EPROM), programmable read-only memory (PROM), read-only memory (ROM), magnetic memory, flash memory, magnetic or optical disk.
  • SRAM static random access memory
  • EEPROM electrically erasable programmable read-only memory
  • EEPROM erasable programmable read-only memory
  • EPROM Programmable read-only memory
  • PROM programmable read-only memory
  • ROM read-only memory
  • magnetic memory flash memory, magnetic or optical disk.
  • Power supply component 1806 provides power to various components of UE 1800.
  • Power component 1806 may include a power management system, at least one power supply, and other components associated with generating, managing, and distributing power to UE 1800.
  • Multimedia component 1808 includes a screen that provides an output interface between the UE 1800 and the user.
  • 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 touch screen to receive input signals from the user.
  • the touch panel includes at least one touch sensor to sense touches, slides, and gestures on the touch panel. The touch sensor may not only sense the boundary of the touch or sliding operation, but also detect the wake-up time and pressure related to the touch or sliding operation.
  • multimedia component 1808 includes a front-facing camera and/or a rear-facing camera. When the UE1800 is in an operating mode, such as shooting mode or video mode, the front camera and/or rear camera can receive external multimedia data.
  • Each front-facing camera and rear-facing camera can be a fixed optical lens system or have a focal length and optical zoom capabilities.
  • Audio component 1810 is configured to output and/or input audio signals.
  • audio component 1810 includes a microphone (MIC) configured to receive external audio signals when UE 1800 is in operating modes, such as call mode, recording mode, and speech recognition mode. The received audio signals may be further stored in memory 1804 or sent via communications component 1818 .
  • audio component 1810 also includes a speaker for outputting audio signals.
  • the I/O interface 1812 provides an interface between the processing component 1802 and a peripheral interface module.
  • the peripheral interface module may be a keyboard, a click wheel, a button, etc. These buttons may include, but are not limited to: Home button, Volume buttons, Start button, and Lock button.
  • Sensor component 181814 includes at least one sensor for providing various aspects of status assessment for UE 1800 .
  • the sensor component 1814 can detect the on/off state of the device 1800, the relative positioning of components, such as the display and keypad of the UE 1800, the sensor component 1814 can also detect the position change of the UE 1800 or a component of the UE 1800, the user The presence or absence of contact with the UE1800, the orientation or acceleration/deceleration of the UE1800 and the temperature change of the UE1800.
  • Sensor component 1814 may include a proximity sensor configured to detect the presence of nearby objects without any physical contact.
  • Sensor assembly 1814 may also include a light sensor, such as a CMOS or CCD image sensor, for use in imaging applications.
  • the sensor component 1814 may also include an acceleration sensor, a gyroscope sensor, a magnetic sensor, a pressure sensor, or a temperature sensor.
  • Communication component 1818 is configured to facilitate wired or wireless communication between UE 1800 and other devices.
  • UE1800 can access wireless networks based on communication standards, such as WiFi, 2G or 3G, or a combination thereof.
  • communication component 1818 receives broadcast signals or broadcast-related information from an external broadcast management system via a broadcast channel.
  • the communications component 1818 also includes a near field communications (NFC) module to facilitate short-range communications.
  • NFC near field communications
  • the NFC module can be implemented based on radio frequency identification (RFID) technology, infrared data association (IrDA) technology, ultra-wideband (UWB) technology, Bluetooth (BT) technology and other technologies.
  • RFID radio frequency identification
  • IrDA infrared data association
  • UWB ultra-wideband
  • Bluetooth Bluetooth
  • UE 1800 may be configured by at least one Application Specific Integrated Circuit (ASIC), Digital Signal Processor (DSP), Digital Signal Processing Device (DSPD), Programmable Logic Device (PLD), Field Programmable Gate Array ( FPGA), controller, microcontroller, microprocessor or other electronic component implementation for executing the above method.
  • ASIC Application Specific Integrated Circuit
  • DSP Digital Signal Processor
  • DSPD Digital Signal Processing Device
  • PLD Programmable Logic Device
  • FPGA Field Programmable Gate Array
  • controller microcontroller, microprocessor or other electronic component implementation for executing the above method.
  • Figure 19 is a block diagram of a network side device 1900 provided by an embodiment of the present disclosure.
  • the network side device 1900 may be provided as a network side device.
  • the network side device 1900 includes a processing component 1922, which further includes at least one processor, and a memory resource represented by a memory 1932 for storing instructions, such as application programs, that can be executed by the processing component 1922.
  • the application program stored in memory 1932 may include one or more modules, each corresponding to a set of instructions.
  • the processing component 1922 is configured to execute instructions to perform any of the foregoing methods applied to the network side device, for example, the method shown in FIG. 1 .
  • the network side device 1900 may also include a power supply component 1926 configured to perform power management of the network side device 1900, a wired or wireless network interface 1950 configured to connect the network side device 1900 to the network, and an input/output (I/O). O)Interface 1958.
  • the network side device 1900 may operate based on an operating system stored in the memory 1932, such as Windows Server TM, Mac OS X TM, Unix TM, Linux TM, Free BSD TM or similar.
  • the methods provided by the embodiments of the present disclosure are introduced from the perspectives of network side equipment and UE respectively.
  • the network side device and the UE may include a hardware structure and a software module to implement the above functions in the form of a hardware structure, a software module, or a hardware structure plus a software module.
  • a certain function among the above functions can be executed by a hardware structure, a software module, or a hardware structure plus a software module.
  • the methods provided by the embodiments of the present disclosure are introduced from the perspectives of network side equipment and UE respectively.
  • the network side device and the UE may include a hardware structure and a software module to implement the above functions in the form of a hardware structure, a software module, or a hardware structure plus a software module.
  • a certain function among the above functions can be executed by a hardware structure, a software module, or a hardware structure plus a software module.
  • the communication device may include a transceiver module and a processing module.
  • the transceiver module may include a sending module and/or a receiving module.
  • the sending module is used to implement the sending function
  • the receiving module is used to implement the receiving function.
  • the transceiving module may implement the sending function and/or the receiving function.
  • the communication device may be a terminal device (such as the terminal device in the foregoing method embodiment), a device in the terminal device, or a device that can be used in conjunction with the terminal device.
  • the communication device may be a network device, a device in a network device, or a device that can be used in conjunction with the network device.
  • the communication device may be a network device, or may be a terminal device (such as the terminal device in the foregoing method embodiment), or may be a chip, chip system, or processor that supports the network device to implement the above method, or may be a terminal device that supports A chip, chip system, or processor that implements the above method.
  • the device can be used to implement the method described in the above method embodiment. For details, please refer to the description in the above method embodiment.
  • a communications device may include one or more processors.
  • the processor may be a general-purpose processor or a special-purpose processor, etc.
  • it can be a baseband processor or a central processing unit.
  • the baseband processor can be used to process communication protocols and communication data
  • the central processor can be used to control and execute communication devices (such as network side equipment, baseband chips, terminal equipment, terminal equipment chips, DU or CU, etc.)
  • a computer program processes data for a computer program.
  • the communication device may also include one or more memories, on which a computer program may be stored, and the processor executes the computer program, so that the communication device performs the method described in the above method embodiment.
  • data may also be stored in the memory.
  • the communication device and the memory can be provided separately or integrated together.
  • the communication device may also include a transceiver and an antenna.
  • the transceiver can be called a transceiver unit, a transceiver, or a transceiver circuit, etc., and is used to implement transceiver functions.
  • the transceiver can include a receiver and a transmitter.
  • the receiver can be called a receiver or a receiving circuit, etc., and is used to implement the receiving function;
  • the transmitter can be called a transmitter or a transmitting circuit, etc., and is used to implement the transmitting function.
  • one or more interface circuits may also be included in the communication device.
  • Interface circuitry is used to receive code instructions and transmit them to the processor.
  • the processor executes the code instructions to cause the communication device to perform the method described in the above method embodiment.
  • the communication device is a network-side device: the processor is used to execute the method shown in any one of Figures 1 to 11.
  • the communication device is a terminal device (such as the terminal device in the foregoing method embodiment): the processor is configured to execute the method shown in any one of Figures 12 to 15.
  • a transceiver for implementing receiving and transmitting functions may be included in the processor.
  • the transceiver may be a transceiver circuit, an interface, or an interface circuit.
  • the transceiver circuits, interfaces or interface circuits used to implement the receiving and transmitting functions can be separate or integrated together.
  • the above-mentioned transceiver circuit, interface or interface circuit can be used for reading and writing codes/data, or the above-mentioned transceiver circuit, interface or interface circuit can be used for signal transmission or transfer.
  • the processor may store a computer program, and the computer program runs on the processor, which can cause the communication device to perform the method described in the above method embodiment.
  • the computer program may be embedded in the processor, in which case the processor may be implemented in hardware.
  • the communication device may include a circuit, and the circuit may implement the functions of sending or receiving or communicating in the foregoing method embodiments.
  • the processors and transceivers described in this disclosure may be implemented on integrated circuits (ICs), analog ICs, radio frequency integrated circuits (RFICs), mixed signal ICs, application specific integrated circuits (ASICs), printed circuit boards ( printed circuit board (PCB), electronic equipment, etc.
  • the processor and transceiver can also be manufactured using various IC process technologies, such as complementary metal oxide semiconductor (CMOS), n-type metal oxide-semiconductor (NMOS), P-type Metal oxide semiconductor (positive channel metal oxide semiconductor, PMOS), bipolar junction transistor (BJT), bipolar CMOS (BiCMOS), silicon germanium (SiGe), gallium arsenide (GaAs), etc.
  • CMOS complementary metal oxide semiconductor
  • NMOS n-type metal oxide-semiconductor
  • PMOS P-type Metal oxide semiconductor
  • BJT bipolar junction transistor
  • BiCMOS bipolar CMOS
  • SiGe silicon germanium
  • GaAs gallium arsenide
  • the communication device described in the above embodiments may be a network device or a terminal device (such as the terminal device in the foregoing method embodiment), but the scope of the communication device described in the present disclosure is not limited thereto, and the structure of the communication device may not be limited to limits.
  • the communication device may be a stand-alone device or may be part of a larger device.
  • the communication device may be:
  • the IC collection may also include storage components for storing data and computer programs;
  • the communication device may be a chip or a system on a chip
  • the chip includes a processor and an interface.
  • the number of processors may be one or more, and the number of interfaces may be multiple.
  • the chip also includes a memory for storing necessary computer programs and data.
  • the present disclosure also provides a readable storage medium on which instructions are stored, and when the instructions are executed by a computer, the functions of any of the above method embodiments are implemented.
  • the present disclosure also provides a computer program product, which, when executed by a computer, implements the functions of any of the above method embodiments.
  • the above embodiments it may be implemented in whole or in part by software, hardware, firmware, or any combination thereof.
  • software it may be implemented in whole or in part in the form of a computer program product.
  • the computer program product includes one or more computer programs.
  • the computer program When the computer program is loaded and executed on a computer, the processes or functions described in accordance with the embodiments of the present disclosure are generated in whole or in part.
  • the computer may be a general-purpose computer, a special-purpose computer, a computer network, or other programmable device.
  • the computer program may be stored in or transferred from one computer-readable storage medium to another, for example, the computer program may be transferred from a website, computer, server, or data center Transmission to another website, computer, server or data center through wired (such as coaxial cable, optical fiber, digital subscriber line (DSL)) or wireless (such as infrared, wireless, microwave, etc.) means.
  • the computer-readable storage medium may be any available medium that can be accessed by a computer or a data storage device such as a server, data center, etc. that contains one or more available media integrated.
  • the usable media may be magnetic media (e.g., floppy disks, hard disks, magnetic tapes), optical media (e.g., high-density digital video discs (DVD)), or semiconductor media (e.g., solid state disks, SSD)) etc.
  • magnetic media e.g., floppy disks, hard disks, magnetic tapes
  • optical media e.g., high-density digital video discs (DVD)
  • DVD digital video discs
  • semiconductor media e.g., solid state disks, SSD
  • At least one in the present disclosure can also be described as one or more, and the plurality can be two, three, four or more, and the present disclosure is not limited.
  • the technical feature is distinguished by “first”, “second”, “third”, “A”, “B”, “C” and “D” etc.
  • the technical features described in “first”, “second”, “third”, “A”, “B”, “C” and “D” are in no particular order or order.

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Abstract

本公开提出一种支持跨SSB的多PRACH传输配置方法、装置、设备及存储介质,属于通信技术领域。该方法包括发送多PRACH传输配置至终端设备,其中,所述多PRACH传输配置用于指示所述终端设备根据所述多PRACH传输配置发送多个PRACH传输所使用的PRACH资源对应的SSB使用模式;接收所述终端设备通过所述SSB使用模式在所述PRACH资源之上传输的多个PRACH。本公开针对一种"多PRACH传输配置"这一情形提供了一种处理方法,以使终端设备通过SSB使用模式在PRACH资源之上传输的多个PRACH,提升PRACH信道的覆盖。

Description

支持跨SSB的多PRACH传输配置方法、装置 技术领域
本公开涉及通信技术领域,尤其涉及一种支持跨同步信号块(Synchronization Signal Block,SSB)的多物理随机接入通道物理随机接入信道(Physical Random Access Channel,PRACH)传输配置方法、装置、设备及存储介质。
背景技术
在通信系统中,上行覆盖差会影响终端设备和网络侧设备之间的通信质量。上行覆盖的影响因素之一为PRACH信道。终端设备在随机接入的一次尝试中仅能发送一个第一条消息Msg1传输,并未涉及多PRACH传输,使得PRACH信道的覆盖较差。因此,亟需一种“多PRACH传输配置”的方法,以使终端设备通过SSB使用模式在PRACH资源之上传输的多个PRACH,提升PRACH信道的覆盖。
发明内容
本公开提出的一种支持跨SSB的多PRACH传输配置方法、装置、设备及存储介质,以减少多PRACH传输配置的时长,提高多PRACH传输配置的效率,进而提高网络侧设备进行参数调整的便利性。
本公开一方面实施例提出的一种支持跨同步信号块SSB的多物理随机接入通道PRACH传输配置方法,所述方法由网络侧设备执行,所述方法包括:
发送多PRACH传输配置至终端设备,其中,所述多PRACH传输配置用于指示所述终端设备根据所述多PRACH传输配置发送多个PRACH传输所使用的PRACH资源对应的SSB使用模式;
接收所述终端设备通过所述SSB使用模式在所述PRACH资源之上传输的多个PRACH。
可选地,在本公开的一个实施例之中,所述发送多PRACH传输配置至终端设备,包括:
发送多PRACH传输模式配置至所述终端设备。
可选地,在本公开的一个实施例之中,所述发送多PRACH传输模式配置至所述终端设备,包括以下至少一种:
发送第一多PRACH传输模式配置至所述终端设备,其中,所述第一多PRACH传输模式配置为所述PRACH资源对应的SSB相同;
发送第二多PRACH传输模式配置至所述终端设备,其中,所述第二多PRACH传输模式配置为所述PRACH资源对应的SSB不同。
可选地,在本公开的一个实施例之中,所述发送第一多PRACH传输模式配置至所述终端设备,包括以下至少一种:
发送允许跨SSB的第一多PRACH传输模式配置至所述终端设备;
发送不允许跨SSB的第一多PRACH传输模式配置至所述终端设备。
可选地,在本公开的一个实施例之中,所述发送第二多PRACH传输模式配置至所述终端设备,包括以下至少一种:
发送允许PRACH传输间有SSB间隙SSB gap的第二多PRACH传输模式配置至所述终端设备;
发送不允许所述PRACH传输间有所述SSB gap的所述第二多PRACH传输模式配置至所述终端设备。
可选地,在本公开的一个实施例之中,所述发送多PRACH传输配置至终端设备,包括以下至少一种:
发送多PRACH传输配置至所述终端设备,其中,所述多PRACH传输配置包括基于非竞争的随机接入CFRA的第一多PRACH传输配置和基于竞争的随机接入CBRA的第二多PRACH传输配置。
可选地,在本公开的一个实施例之中,所述CFRA的触发方式包括以下至少一种:
物理下行控制信道PDCCH触发;
切换触发;
波束失败恢复触发;
PScell添加或改变触发。
可选地,在本公开的一个实施例之中,所述发送多PRACH传输配置至所述终端设备,包括:
响应于所述PDCCH触发的CFRA,发送PDCCH顺序PDCCH order至所述终端设备,其中,所述PDCCH order携带有所述第一多PRACH传输配置。
可选地,在本公开的一个实施例之中,所述发送多PRACH传输配置至所述终端设备,包括:
响应于所述PScell添加或改变触发的CFRA,发送专用随机接入配置RACH-ConfigDedicated至所述终端设备,其中,所述RACH-ConfigDedicated的CFRA配置携带有所述第一多PRACH传输配置。
可选地,在本公开的一个实施例之中,所述发送多PRACH传输配置至所述终端设备,包括:
响应于所述切换触发的CFRA,发送RACH-ConfigDedicated至所述终端设备,其中,所述RACH-ConfigDedicated的CFRA配置携带有所述第一多PRACH传输配置。
可选地,在本公开的一个实施例之中,所述发送多PRACH传输配置至所述终端设备,包括:
响应于所述波束失败恢复触发的CFRA,发送波束失败恢复配置BeamFailureRecoveryConfig至所述终端设备,其中,所述BeamFailureRecoveryConfig携带有所述第一多PRACH传输配置。
可选地,在本公开的一个实施例之中,所述发送多PRACH传输配置至所述终端设备,包括:
通过广播信令发送或者通过专用信令发送所述第二多PRACH传输配置至所述终端设备。
可选地,在本公开的一个实施例之中,所述广播信令包括系统消息块1SIB1。
可选地,在本公开的一个实施例之中,所述专用信令包括以下至少一种:
无线资源控制RRC重配置RRCReconfiguration消息;
RRC恢复RRCResume消息;
RRC释放RRCRelease消息;
RRC建立RRCSetup消息。
可选地,在本公开的一个实施例之中,所述发送多PRACH传输配置至所述终端设备,包括:
发送公共随机接入信道RACH配置至所述终端设备,其中,所述RACH配置携带有所述第二多PRACH传输配置。
可选地,在本公开的一个实施例之中,所述RACH配置包括在各个部分带宽BWP上单独配置的公共RACH资源。
可选地,在本公开的一个实施例之中,所述发送RACH配置至所述终端设备,包括:
发送SIB1的初始BWP配置中的第一随机接入公共配置RACH-ConfigCommon至所述终端设备,其中,所述第一RACH-ConfigCommon携带有RACH配置。
可选地,在本公开的一个实施例之中,所述发送RACH配置至所述终端设备,包括:
发送RRCReconfiguration消息的BWP配置的第二RACH-ConfigCommon至所述终端设备,其中,所述第二RACH-ConfigCommon携带有RACH配置。
可选地,在本公开的一个实施例之中,所述发送多PRACH传输配置至所述终端设备,包括:
发送专用RACH配置至所述终端设备,其中,所述专用RACH配置携带有所述第二多PRACH传输配置。
可选地,在本公开的一个实施例之中,所述发送专用RACH配置至所述终端设备,包括:
响应于波束失败恢复触发的CBRA,发送波束失败恢复配置BeamFailureRecoveryConfig至所述终端设备,其中,所述BeamFailureRecoveryConfig携带有所述专用RACH配置中所配置的所述第二多PRACH传输配置。
可选地,在本公开的一个实施例之中,所述发送多PRACH传输配置至所述终端设备,包括:
响应于PScell添加或改变触发的CBRA,发送专用随机接入配置RACH-ConfigDedicated至所述终端设备,其中,所述RACH-ConfigDedicated携带有所述专用RACH配置中所配置的所述第二多PRACH传输配置。
可选地,在本公开的一个实施例之中,所述发送多PRACH传输配置至所述终端设备,包括:
响应于切换触发的CBRA,发送RACH-ConfigDedicated至所述终端设备,其中,所述RACH-ConfigDedicated携带有所述专用RACH配置中所配置的所述第二多PRACH传输配置。
可选地,在本公开的一个实施例之中,所述发送多PRACH传输配置至所述终端设备,包括:
发送特征组合feature combination的RACH配置至所述终端设备,其中,所述feature combination的RACH配置携带有所述第二多PRACH传输配置。
可选地,在本公开的一个实施例之中,所述feature combination包括覆盖增强特征Coverage Enhancement feature,其中,所述Coverage Enhancement feature用于指示支持对所述第二多PRACH传输的Coverage Enhancement feature。
可选地,在本公开的一个实施例之中,所述方法还包括:
接收所述终端设备发送的PRACH能力信息,其中,所述PRACH能力信息用于指示所述终端设备支持多PRACH传输的能力信息。
可选地,在本公开的一个实施例之中,所述接收所述终端设备发送的PRACH能力信息,包括:
接收所述终端设备发送的终端能力信息UECapabilityInformation,其中,所述UECapabilityInformation携带有所述PRACH能力信息。
可选地,在本公开的一个实施例之中,所述PRACH能力信息包括以下至少一种:
支持所述多PRACH传输在相同波束对应的PRACH资源上发送的PRACH能力信息;
支持所述多PRACH传输在不同波束对应的PRACH资源上发送的PRACH能力信息;
支持跨SSB的多PRACH传输的PRACH能力信息;
支持跨SSB gap的多PRACH传输的PRACH能力信息。
可选地,在本公开的一个实施例之中,在所述接收所述终端设备发送的PRACH能力信息之后,还包括:
基于所述PRACH能力信息,通过专用信令为所述终端设备配置所述多PRACH传输模式配置。
本公开另一方面实施例提出的一种支持跨SSB的多PRACH传输配置方法,所述方法由终端设备执行,所述方法包括:
通过SSB使用模式在PRACH资源之上传输多个PRACH至网络侧设备。
可选地,在本公开的一个实施例之中,所述通过SSB使用模式在PRACH资源之上传输多个PRACH至网络侧设备,包括以下至少一种:
在第一多PRACH传输模式配置对应的PRACH资源之上传输所述多个PRACH至所述网络侧设备,其中,所述第一多PRACH传输模式配置为多PRACH传输所使用的PRACH资源对应的SSB相同;
在第二多PRACH传输模式配置对应的PRACH资源之上传输所述多个PRACH至所述网络侧设备,其中,所述第二多PRACH传输模式配置为所述多个PRACH传输采用的时域随机接入机会RO资源属于同一个SSB或不同的SSB。
可选地,在本公开的一个实施例之中,所述在第一多PRACH传输模式配置对应的PRACH资源之上传输所述多个PRACH至所述网络侧设备,包括以下至少一种:
根据所述第一多PRACH传输模式配置,通过允许跨SSB的第一多PRACH传输对应的PRACH资源之上传输所述多个PRACH至所述网络侧设备;
根据所述第一多PRACH传输模式配置,通过不允许跨SSB的第一多PRACH传输对应的PRACH资源之上传输所述多个PRACH至所述网络侧设备。
可选地,在本公开的一个实施例之中,所述在第二多PRACH传输模式配置对应的PRACH资源之上传输所述多个PRACH至所述网络侧设备,包括以下至少一种:
根据所述第二多PRACH传输模式配置,在允许PRACH传输间有SSB间隙SSB gap的第二多PRACH传输对应的PRACH资源之上传输所述多个PRACH至所述网络侧设备;
根据所述第二多PRACH传输模式配置,在不允许所述PRACH传输间有所述SSB gap的第二多PRACH传输对应的PRACH资源之上传输所述多个PRACH至所述网络侧设备。
可选地,在本公开的一个实施例之中,所述方法还包括:
发送PRACH能力信息至所述网络侧设备,其中,所述PRACH能力信息用于指示所述终端设备支持多PRACH传输的能力信息。
可选地,在本公开的一个实施例之中,所述发送PRACH能力信息至所述网络侧设备,包括:
发送UECapabilityInformation至所述网络侧设备,其中,所述UECapabilityInformation携带有所述PRACH能力信息。
可选地,在本公开的一个实施例之中,所述PRACH能力信息包括以下至少一种:
支持所述多PRACH传输在相同波束对应的PRACH资源上发送的PRACH能力信息;
支持所述多PRACH传输在不同波束对应的PRACH资源上发送的PRACH能力信息;
支持跨SSB的多PRACH传输的PRACH能力信息;
支持跨SSB gap的多PRACH传输的PRACH能力信息。
可选地,在本公开的一个实施例之中,在所述通过SSB使用模式在PRACH资源之上传输多个PRACH至网络侧设备之前,还包括:
接收所述网络侧设备发送的多PRACH传输配置,其中,所述多PRACH传输配置用于指示所述终端设备根据所述多PRACH传输配置发送多个PRACH传输所使用的PRACH资源对应的SSB使用模式。
可选地,在本公开的一个实施例之中,所述接收所述网络侧设备发送的多PRACH传输配置,包括以下至少一种:
接收所述网络侧设备发送的多PRACH传输配置,其中,所述多PRACH传输配置包括基于CFRA的第一多PRACH传输配置和基于CBRA的第二多PRACH传输配置。
本公开又一方面实施例提出的一种支持跨SSB的多PRACH传输配置装置,所述装置包括:
发送模块,用于发送多PRACH传输配置至终端设备,其中,所述多PRACH传输配置用于指示所述终端设备根据所述多PRACH传输配置发送多个PRACH传输所使用的PRACH资源对应的SSB使用模式;
接收模块,用于接收所述终端设备通过所述SSB使用模式在所述PRACH资源之上传输的多个PRACH。
本公开又一方面实施例提出的一种支持跨SSB的多PRACH传输配置装置,所述装置包括:
传输模块,用于通过SSB使用模式在PRACH资源之上传输多个PRACH至网络侧设备。
本公开又一方面实施例提出的一种终端设备,所述装置包括处理器和存储器,所述存储器中存储有计算机程序,所述处理器执行所述存储器中存储的计算机程序,以使所述装置执行如上一方面实施例提出的方法。
本公开又一方面实施例提出的一种网络侧设备,所述装置包括处理器和存储器,所述存储器中存储有计算机程序,所述处理器执行所述存储器中存储的计算机程序,以使所述装置执行如上另一方面实施例提出的方法。
本公开又一方面实施例提出的通信装置,包括:处理器和接口电路;
所述接口电路,用于接收代码指令并传输至所述处理器;
所述处理器,用于运行所述代码指令以执行如一方面实施例提出的方法。
本公开又一方面实施例提出的通信装置,包括:处理器和接口电路;
所述接口电路,用于接收代码指令并传输至所述处理器;
所述处理器,用于运行所述代码指令以执行如另一方面实施例提出的方法。
本公开又一方面实施例提出的计算机可读存储介质,用于存储有指令,当所述指令被执行时,使如一方面实施例提出的方法被实现。
本公开又一方面实施例提出的计算机可读存储介质,用于存储有指令,当所述指令被执行时,使如另一方面实施例提出的方法被实现。
综上所述,在本公开实施例之中,发送多PRACH传输配置至终端设备,其中,多PRACH传输配置用于指示终端设备根据多PRACH传输配置发送多个PRACH传输所使用的PRACH资源对应的SSB使用模式;接收终端设备通过SSB使用模式在PRACH资源之上传输的多个PRACH。在本公开实施例之中,终端设备可以通过SSB使用模式在PRACH资源之上传输的多个PRACH,减少无法传输的多个PRACH的情况,可以提高随机接入成功概率。本公开针对一种“多PRACH传输配置”这一情形提供了一种处理方法,以使终端设备通过SSB使用模式在PRACH资源之上传输的多个PRACH,提升PRACH信道的覆盖。
附图说明
本公开上述的和/或附加的方面和优点从下面结合附图对实施例的描述中将变得明显和容易理解,其中:
图1为本公开一个实施例所提供的一种支持跨SSB的多PRACH传输配置方法的流程示意图;
图2为本公开另一个实施例所提供的一种支持跨SSB的多PRACH传输配置方法的流程示意图;
图3为本公开再一个实施例所提供的一种支持跨SSB的多PRACH传输配置方法的流程示意图;
图4为本公开又一个实施例所提供的一种支持跨SSB的多PRACH传输配置方法的流程示意图;
图5为本公开又一个实施例所提供的一种支持跨SSB的多PRACH传输配置方法的流程示意图;
图6为本公开又一个实施例所提供的一种支持跨SSB的多PRACH传输配置方法的流程示意图;
图7为本公开又一个实施例所提供的一种支持跨SSB的多PRACH传输配置方法的流程示意图;
图8为本公开又一个实施例所提供的一种支持跨SSB的多PRACH传输配置方法的流程示意图;
图9为本公开又一个实施例所提供的一种支持跨SSB的多PRACH传输配置方法的流程示意图;
图10为本公开又一个实施例所提供的一种支持跨SSB的多PRACH传输配置方法的流程示意图;
图11为本公开又一个实施例所提供的一种支持跨SSB的多PRACH传输配置方法的流程示意图;
图12为本公开又一个实施例所提供的一种支持跨SSB的多PRACH传输配置方法的流程示意图;
图13为本公开又一个实施例所提供的一种支持跨SSB的多PRACH传输配置方法的流程示意图;
图14为本公开又一个实施例所提供的一种支持跨SSB的多PRACH传输配置方法的流程示意图;
图15为本公开又一个实施例所提供的一种支持跨SSB的多PRACH传输配置方法的流程示意图;
图16为本公开一个实施例所提供的一种支持跨SSB的多PRACH传输配置装置的结构示意图;
图17为本公开另一个实施例所提供的一种支持跨SSB的多PRACH传输配置装置的结构示意图;
图18是本公开一个实施例所提供的一种终端设备的框图;
图19为本公开一个实施例所提供的一种网络侧设备的框图。
具体实施方式
这里将详细地对示例性实施例进行说明,其示例表示在附图中。下面的描述涉及附图时,除非另有表示,不同附图中的相同数字表示相同或相似的要素。以下示例性实施例中所描述的实施方式并不代表与本公开实施例相一致 的所有实施方式。相反,它们仅是与如所附权利要求书中所详述的、本公开实施例的一些方面相一致的装置和方法的例子。
在本公开实施例使用的术语是仅仅出于描述特定实施例的目的,而非旨在限制本公开实施例。在本公开实施例和所附权利要求书中所使用的单数形式的“一种”和“该”也旨在包括多数形式,除非上下文清楚地表示其他含义。还应当理解,本文中使用的术语“和/或”是指并包含一个或多个相关联的列出项目的任何或所有可能组合。
应当理解,尽管在本公开实施例可能采用术语第一、第二、第三等来描述各种信息,但这些信息不应限于这些术语。这些术语仅用来将同一类型的信息彼此区分开。例如,在不脱离本公开实施例范围的情况下,第一信息也可以被称为第二信息,类似地,第二信息也可以被称为第一信息。取决于语境,如在此所使用的词语“如果”及“若”可以被解释成为“在……时”或“当……时”或“响应于确定”。
在本公开实施例中涉及的网元或是网络功能,其既可以是独立的硬件设备实现,也可以通过硬件设备中的软件实现,本公开实施例中并不对此做出限定。
下面参考附图对本公开实施例所提供的一种支持跨SSB的多PRACH传输配置方法、装置、设备及存储介质进行详细描述。
图1为本公开实施例所提供的一种支持跨SSB的多PRACH传输配置方法的流程示意图,该方法由网络侧设备执行,如图1所示,该方法可以包括以下步骤:
步骤101、发送多PRACH传输配置至终端设备,其中,多PRACH传输配置用于指示终端设备根据多PRACH传输配置发送多个PRACH传输所使用的PRACH资源对应的SSB使用模式;
步骤102、接收终端设备通过SSB使用模式在PRACH资源之上传输的多个PRACH。
需要说明的是,在本公开的一个实施例之中,终端设备可以是指向用户提供语音和/或数据连通性的设备。终端设备可以经RAN(Radio Access Network,无线接入网)与一个或多个核心网进行通信,终端设备可以是物联网终端,如传感器设备、移动电话(或称为“蜂窝”电话)和具有物联网终端的计算机,例如,可以是固定式、便携式、袖珍式、手持式、计算机内置的或者车载的装置。例如,站(Station,STA)、订户单元(subscriber unit)、订户站(subscriber station),移动站(mobile station)、移动台(mobile)、远程站(remote station)、接入点、远程终端(remoteterminal)、接入终端(access terminal)、用户装置(user terminal)或用户代理(useragent)。或者,终端设备也可以是无人飞行器的设备。或者,终端设备也可以是车载设备,比如,可以是具有无线通信功能的行车电脑,或者是外接行车电脑的无线终端。或者,终端设备也可以是路边设备,比如,可以是具有无线通信功能的路灯、信号灯或者其它路边设备等。
其中,在本公开的一个实施例之中,当终端设备在发送前导码preamble时,例如可以进行preamble时域repetition,也即时域连续发送多个preamble,其中,一次PRACH传输是指将连续发送多个preamble作为一次整体进行传输,多PRACH传输即为进行多次PRACH传输。
以及,在本公开的一个实施例中,发送多PRACH传输配置至终端设备,包括:
发送多PRACH传输模式配置至终端设备。
以及,在本公开的一个实施例中,发送多PRACH传输模式配置至终端设备,包括以下至少一种:
发送第一多PRACH传输模式配置至终端设备,其中,第一多PRACH传输模式配置为PRACH资源对应的SSB相同;
发送第二多PRACH传输模式配置至终端设备,其中,第二多PRACH传输模式配置为PRACH资源对应的SSB不同。
以及,在本公开的一个实施例中,发送第一多PRACH传输模式配置至终端设备,包括以下至少一种:
发送允许跨SSB的第一多PRACH传输模式配置至终端设备;
发送不允许跨SSB的第一多PRACH传输模式配置至终端设备。
以及,在本公开的一个实施例中,发送第二多PRACH传输模式配置至终端设备,包括以下至少一种:
发送允许PRACH传输间有SSB间隙SSB gap的第二多PRACH传输模式配置至终端设备;
发送不允许PRACH传输间有SSB gap的第二多PRACH传输模式配置至终端设备。
示例地,在本公开的一个实施例中,发送多PRACH传输配置至终端设备,包括以下至少一种:
发送多PRACH传输配置至终端设备,其中,多PRACH传输配置包括基于非竞争的随机接入CFRA的第一多PRACH传输配置和基于竞争的随机接入CBRA的第二多PRACH传输配置。
进一步地,在本公开的一个实施例中,CFRA的触发方式包括以下至少一种:
物理下行控制信道PDCCH触发;
切换触发;
波束失败恢复触发;
PScell添加或改变触发。
以及,在本公开的一个实施例中,发送多PRACH传输配置至终端设备,包括:
响应于PDCCH触发的CFRA,发送PDCCH顺序PDCCH order至终端设备,PDCCH order携带有第一多PRACH传输配置。
以及,在本公开的一个实施例中,发送多PRACH传输配置至终端设备,包括:
响应于PScell添加或改变触发的CFRA,发送专用随机接入配置RACH-ConfigDedicated至终端设备,RACH-ConfigDedicated的CFRA配置携带有第一多PRACH传输配置。
以及,在本公开的一个实施例中,发送多PRACH传输配置至终端设备,包括:
响应于切换触发的CFRA,发送RACH-ConfigDedicated至终端设备,RACH-ConfigDedicated的CFRA配置携带有第一多PRACH传输配置。
以及,在本公开的一个实施例中,发送多PRACH传输配置至终端设备,包括:
响应于波束失败恢复触发的CFRA,发送波束失败恢复配置BeamFailureRecoveryConfig至终端设备,BeamFailureRecoveryConfig携带有第一多PRACH传输配置。
以及,在本公开的一个实施例中,发送多PRACH传输配置至终端设备,包括:
通过广播信令发送或者通过专用信令发送第二多PRACH传输配置至终端设备。
以及,在本公开的一个实施例中,广播信令包括系统消息块1SIB1。
以及,在本公开的一个实施例中,专用信令包括以下至少一种:
无线资源控制RRC重配置RRCReconfiguration消息;
RRC恢复RRCResume消息;
RRC释放RRCRelease消息;
RRC建立RRCSetup消息。
以及,在本公开的一个实施例中,发送多PRACH传输配置至终端设备,包括:
发送公共随机接入信道RACH配置至终端设备,其中,RACH配置携带有第二多PRACH传输配置。
以及,在本公开的一个实施例中,RACH配置包括在各个部分带宽BWP上单独配置的公共RACH资源。
以及,在本公开的一个实施例中,发送RACH配置至终端设备,包括:
发送SIB1的初始BWP配置中的第一随机接入公共配置RACH-ConfigCommon至终端设备,其中,第一RACH-ConfigCommon携带有RACH配置。
以及,在本公开的一个实施例中,发送RACH配置至终端设备,包括:
发送RRCReconfiguration消息的BWP配置的第二RACH-ConfigCommon至终端设备,其中,第二RACH-ConfigCommon携带有RACH配置。
以及,在本公开的一个实施例中,发送多PRACH传输配置至终端设备,包括:
发送专用RACH配置至终端设备,其中,专用RACH配置携带有第二多PRACH传输配置。
以及,在本公开的一个实施例中,发送专用RACH配置至终端设备,包括:
响应于波束失败恢复触发的CBRA,发送波束失败恢复配置BeamFailureRecoveryConfig至终端设备,BeamFailureRecoveryConfig携带有专用RACH配置中所配置的第二多PRACH传输配置。
以及,在本公开的一个实施例中,发送多PRACH传输配置至终端设备,包括:
响应于PScell添加或改变触发的CBRA,发送专用随机接入配置RACH-ConfigDedicated至终端设备,RACH-ConfigDedicated携带有专用RACH配置中所配置的第二多PRACH传输配置。
以及,在本公开的一个实施例中,发送多PRACH传输配置至终端设备,包括:
响应于切换触发的CBRA,发送RACH-ConfigDedicated至终端设备,RACH-ConfigDedicated携带有专用RACH配置中所配置的第二多PRACH传输配置。
以及,在本公开的一个实施例中,发送多PRACH传输配置至终端设备,包括:
发送特征组合feature combination的RACH配置至终端设备,其中,feature combination的RACH配置携带有第二多PRACH传输配置。
以及,在本公开的一个实施例中,feature combination包括覆盖增强特征Coverage Enhancement feature,其中,Coverage Enhancement feature用于指示支持对第二多PRACH传输的Coverage Enhancement feature。
以及,在本公开的一个实施例中,方法还包括:
接收终端设备发送的PRACH能力信息,其中,PRACH能力信息用于指示终端设备支持多PRACH传输的能力 信息。
以及,在本公开的一个实施例中,接收终端设备发送的PRACH能力信息,包括:
接收终端设备发送的终端能力信息UECapabilityInformation,其中,UECapabilityInformation携带有PRACH能力信息。
以及,在本公开的一个实施例中,PRACH能力信息包括以下至少一种:
支持多PRACH传输在相同波束对应的PRACH资源上发送的PRACH能力信息;
支持多PRACH传输在不同波束对应的PRACH资源上发送的PRACH能力信息;
支持跨SSB的多PRACH传输的PRACH能力信息;
支持跨SSB gap的多PRACH传输的PRACH能力信息。
以及,在本公开的一个实施例中,在接收终端设备发送的PRACH能力信息之后,还包括:
基于PRACH能力信息,通过专用信令为终端设备配置多PRACH传输模式配置。
综上所述,在本公开实施例之中,发送多PRACH传输配置至终端设备,其中,多PRACH传输配置用于指示终端设备根据多PRACH传输配置发送多个PRACH传输所使用的PRACH资源对应的SSB使用模式;接收终端设备通过SSB使用模式在PRACH资源之上传输的多个PRACH。在本公开实施例之中,终端设备可以通过SSB使用模式在PRACH资源之上传输的多个PRACH,减少无法传输的多个PRACH的情况,可以提高随机接入成功概率。本公开针对一种“多PRACH传输配置”这一情形提供了一种处理方法,以使终端设备通过SSB使用模式在PRACH资源之上传输的多个PRACH,提升PRACH信道的覆盖。
图2为本公开实施例所提供的一种支持跨SSB的多PRACH传输配置方法的流程示意图,该方法由网络侧设备执行,如图2所示,该方法可以包括以下步骤:
步骤201、发送多PRACH传输模式配置至终端设备,其中,多PRACH传输模式配置用于指示终端设备根据多PRACH传输配置发送多个PRACH传输所使用的PRACH资源对应的SSB使用模式;
步骤202、接收终端设备通过SSB使用模式在PRACH资源之上传输的多个PRACH。
综上所述,在本公开实施例之中,发送多PRACH传输配置至终端设备,其中,多PRACH传输配置用于指示终端设备根据多PRACH传输配置发送多个PRACH传输所使用的PRACH资源对应的SSB使用模式;接收终端设备通过SSB使用模式在PRACH资源之上传输的多个PRACH。在本公开实施例之中,终端设备可以通过SSB使用模式在PRACH资源之上传输的多个PRACH,减少无法传输的多个PRACH的情况,可以提高随机接入成功概率。本公开实施例之中,具体公开了多PRACH传输配置为多PRACH传输模式配置。本公开针对一种“多PRACH传输配置”这一情形提供了一种处理方法,以使终端设备通过SSB使用模式在PRACH资源之上传输的多个PRACH,提升PRACH信道的覆盖。
图3为本公开实施例所提供的一种支持跨SSB的多PRACH传输配置方法的流程示意图,该方法由网络侧设备执行,如图3所示,该方法可以包括以下步骤,其中,步骤301和步骤302执行其中一种:
步骤S301,发送第一多PRACH传输模式配置至终端设备,其中,第一多PRACH传输模式配置为PRACH资源对应的SSB相同;
其中,在本公开的一个实施例中,第一多PRACH传输模式配置是指PRACH资源对应的SSB相同的多PRACH传输模式配置。其中,第一多PRACH传输模式配置中的第一仅仅用于与其他多PRACH传输模式配置进行区别,并不特指某一固定多PRACH传输模式配置。例如,当第一多PRACH传输模式配置对应的SSB发生变化时,该第一多PRACH传输模式配置也可以相应变化。
以及,在本公开的一个实施例中,网络侧设备发送第一多PRACH传输模式配置至终端设备,包括以下至少一种:
发送允许跨SSB的第一多PRACH传输模式配置至终端设备;
发送不允许跨SSB的第一多PRACH传输模式配置至终端设备。
示例地,在本公开的一个实施例中,例如,当SSB包括SSB1、SSB2、SSB3和SSB4时,SSB1中有随机接入机会(Random access Opportunity,RO)RO1和RO2,允许跨SSB的第一多PRACH传输模式配置例如可以用于指示终端设备通过SSB1中的RO1和RO2传输多PRACH。如果总PRACH传输数目小于配置值N,且SSB1中没有剩余的RO,则终端设备可以在下一个该SSB1发送时刻所关联的RO发送剩余次数的PRACH传输。
示例地,在本公开的一个实施例中,例如,当SSB包括SSB1、SSB2、SSB3和SSB4时,SSB1中有RO1和RO2,不允许跨SSB的第一多PRACH传输模式配置例如可以用于指示终端设备通过SSB1中的RO1和RO2传输多PRACH后,如果总PRACH传输数目小于配置值N,且SSB1中没有剩余的RO,则终端设备不再发送剩余次数的多PRACH。
步骤S302,发送第二多PRACH传输模式配置至终端设备,其中,第二多PRACH传输模式配置为PRACH资源对应的SSB不同;
示例地,在本公开的一个实施例中,例如,当SSB包括SSB1、SSB2、SSB3和SSB4时,SSB1中有RO1和RO2,SSB2中有RO3和RO4,第二多PRACH传输模式配置例如可以是终端设备可以通过SSB1中的RO1和SSB2中的RO3传输多PRACH。
以及,在本公开的一个实施例中,网络侧设备发送第二多PRACH传输模式配置至终端设备,包括以下至少一种:
发送允许PRACH传输间有SSB间隙SSB gap的第二多PRACH传输模式配置至终端设备;
发送不允许PRACH传输间有SSB gap的第二多PRACH传输模式配置至终端设备。
步骤S303,接收终端设备通过SSB使用模式在PRACH资源之上传输的多个PRACH。
综上所述,在本公开实施例之中,发送第一多PRACH传输模式配置至终端设备,其中,第一多PRACH传输模式配置为PRACH资源对应的SSB相同;发送第二多PRACH传输模式配置至终端设备,其中,第二多PRACH传输模式配置为PRACH资源对应的SSB不同;接收终端设备通过SSB使用模式在PRACH资源之上传输的多个PRACH。在本公开实施例之中,终端设备可以通过SSB使用模式在PRACH资源之上传输的多个PRACH,减少无法传输的多个PRACH的情况,可以提高随机接入成功概率。本公开实施例之中,具体公开了多PRACH传输模式配置包括第一多PRACH传输模式配置和第二多PRACH传输模式配置。本公开针对一种“多PRACH传输配置”这一情形提供了一种处理方法,以使终端设备通过SSB使用模式在PRACH资源之上传输的多个PRACH,提升PRACH信道的覆盖。
图4为本公开实施例所提供的一种支持跨SSB的多PRACH传输配置方法的流程示意图,该方法由网络侧设备执行,如图4所示,该方法可以包括以下步骤:
步骤401、发送多PRACH传输配置至终端设备,其中,多PRACH传输配置包括基于非竞争的随机接入CFRA的第一多PRACH传输配置和基于竞争的随机接入CBRA的第二多PRACH传输配置,多PRACH传输配置用于指示终端设备根据多PRACH传输配置发送多个PRACH传输所使用的PRACH资源对应的SSB使用模式;
步骤402、接收终端设备通过SSB使用模式在PRACH资源之上传输的多个PRACH。
其中,在本公开的一个实施例之中,CFRA的触发方式包括以下至少一种:
物理下行控制信道PDCCH触发;
切换触发;
波束失败恢复触发;
PScell添加或改变触发。
以及,在本公开的一个实施例之中,第一多PRACH传输配置是指基于CFRA的多PRACH传输配置,第二多PRACH传输配置是指基于CBRA的多PRACH传输配置,其中,第一、第二仅用于区别多PRACH传输配置的不同,该第一多PRACH传输配置和第二多PRACH传输配置并不特指某一固定多PRACH传输配置。
综上所述,在本公开实施例之中,发送多PRACH传输配置至终端设备,其中,多PRACH传输配置包括基于CFRA的第一多PRACH传输配置和基于CBRA的第二多PRACH传输配置,多PRACH传输配置用于指示终端设备根据多PRACH传输配置发送多个PRACH传输所使用的PRACH资源对应的SSB使用模式;接收终端设备通过SSB使用模式在PRACH资源之上传输的多个PRACH。在本公开实施例之中,终端设备可以通过网络侧设备发送的多PRACH传输配置所指示的SSB使用模式在PRACH资源之上传输的多个PRACH,减少无法传输的多个PRACH的情况,可以提高随机接入成功概率。本公开实施例之中,具体公开了多PRACH传输配置包括基于CFRA的第一多PRACH传输配置和基于CBRA的第二多PRACH传输配置。本公开针对一种“多PRACH传输配置”这一情形提供了一种处理方法,以使终端设备通过SSB使用模式在PRACH资源之上传输的多个PRACH,提升PRACH信道的覆盖。
图5为本公开实施例所提供的一种支持跨SSB的多PRACH传输配置方法的流程示意图,该方法由网络侧设备执行,如图5所示,该方法可以包括以下步骤:
步骤501、响应于PDCCH触发的CFRA,发送PDCCH顺序PDCCH order至终端设备,其中,PDCCH order携带有第一多PRACH传输配置,第一多PRACH传输配置用于指示终端设备根据多PRACH传输配置发送多个PRACH传输所使用的PRACH资源对应的SSB使用模式;
步骤502、接收终端设备通过SSB使用模式在PRACH资源之上传输的多个PRACH。
其中,在本公开的一个实施例之中,CFRA的触发方式包括以下至少一种:
物理下行控制信道PDCCH触发;
切换触发;
波束失败恢复触发;
PScell添加或改变触发。
示例地,在本公开的一个实施例中,当CFRA的触发方式为PDCCH触发,响应于PDCCH触发的CFRA,网络侧设备可以发送PDCCH顺序PDCCH order至终端设备。由于PDCCH order携带有第一多PRACH传输配置,第一多PRACH传输配置用于指示终端设备根据多PRACH传输配置发送多个PRACH传输所使用的PRACH资源对应的SSB使用模式,终端设备可以根据通过SSB使用模式在PRACH资源之上传输的多个PRACH,网络侧设备可以接收终端设备通过SSB使用模式在PRACH资源之上传输的多个PRACH。
综上所述,在本公开实施例之中,响应于PDCCH触发的CFRA,发送PDCCH顺序PDCCH order至终端设备,其中,PDCCH order携带有第一多PRACH传输配置,第一多PRACH传输配置用于指示终端设备根据多PRACH传输配置发送多个PRACH传输所使用的PRACH资源对应的SSB使用模式;接收终端设备通过SSB使用模式在PRACH资源之上传输的多个PRACH。在本公开实施例之中,具体公开响应于PDCCH触发的CFRA,网络侧设备可以发送PDCCH order至终端设备,以发送第一多PRACH传输配置至终端设备,可以提高第一多PRACH传输配置发送的准确性。在本公开实施例之中,终端设备可以通过网络侧设备发送的第一多PRACH传输配置所指示的SSB使用模式在PRACH资源之上传输的多个PRACH,减少无法传输的多个PRACH的情况,可以提高随机接入成功概率。本公开针对一种“多PRACH传输配置”这一情形提供了一种处理方法,以使终端设备通过SSB使用模式在PRACH资源之上传输的多个PRACH,提升PRACH信道的覆盖。
图6为本公开实施例所提供的一种支持跨SSB的多PRACH传输配置方法的流程示意图,该方法由网络侧设备执行,如图6所示,该方法可以包括以下步骤:
步骤601、响应于PScell添加或改变触发的CFRA,发送专用随机接入配置RACH-ConfigDedicated至终端设备,其中,RACH-ConfigDedicated的CFRA配置携带有第一多PRACH传输配置,第一多PRACH传输配置用于指示终端设备根据多PRACH传输配置发送多个PRACH传输所使用的PRACH资源对应的SSB使用模式;
步骤602、接收终端设备通过SSB使用模式在PRACH资源之上传输的多个PRACH。
其中,在本公开的一个实施例中,CFRA的触发方式包括以下至少一种:
物理下行控制信道PDCCH触发;
切换触发;
波束失败恢复触发;
PScell添加或改变触发。
示例地,在本公开的一个实施例中,当CFRA的触发方式为PScell添加或改变触发,响应于PScell添加或改变触发的CFRA,网络侧设备可以发送RACH-ConfigDedicated至终端设备。由于RACH-ConfigDedicated携带有第一多PRACH传输配置,第一多PRACH传输配置用于指示终端设备根据多PRACH传输配置发送多个PRACH传输所使用的PRACH资源对应的SSB使用模式,终端设备可以根据通过SSB使用模式在PRACH资源之上传输的多个PRACH,网络侧设备可以接收终端设备通过SSB使用模式在PRACH资源之上传输的多个PRACH。
综上所述,在本公开实施例之中,响应于PScell添加或改变触发的CFRA,发送RACH-ConfigDedicated至终端设备,其中,RACH-ConfigDedicated的CFRA配置携带有第一多PRACH传输配置,第一多PRACH传输配置用于指示终端设备根据多PRACH传输配置发送多个PRACH传输所使用的PRACH资源对应的SSB使用模式;接收终端设备通过SSB使用模式在PRACH资源之上传输的多个PRACH。在本公开实施例之中,具体公开响应于PScell添加或改变触发的CFRA,网络侧设备可以发送RACH-ConfigDedicated至终端设备,以发送第一多PRACH传输配置至终端设备,可以提高第一多PRACH传输配置发送的准确性。在本公开实施例之中,终端设备可以通过网络侧设备发送的第一多PRACH传输配置所指示的SSB使用模式在PRACH资源之上传输的多个PRACH,减少无法传输的多个PRACH的情况,可以提高随机接入成功概率。本公开针对一种“多PRACH传输配置”这一情形提供了一种处理方法,以使终端设备通过SSB使用模式在PRACH资源之上传输的多个PRACH,提升PRACH信道的覆盖。
图7为本公开实施例所提供的一种支持跨SSB的多PRACH传输配置方法的流程示意图,该方法由网络侧设备执行,如图7所示,该方法可以包括以下步骤:
步骤701、响应于切换触发的CFRA,发送RACH-ConfigDedicated至终端设备,其中,RACH-ConfigDedicated的CFRA配置携带有第一多PRACH传输配置,第一多PRACH传输配置用于指示终端设备根据多PRACH传输配置发送多个PRACH传输所使用的PRACH资源对应的SSB使用模式;
步骤702、接收终端设备通过SSB使用模式在PRACH资源之上传输的多个PRACH。
其中,在本公开的一个实施例中,CFRA的触发方式包括以下至少一种:
物理下行控制信道PDCCH触发;
切换触发;
波束失败恢复触发;
PScell添加或改变触发。
示例地,在本公开的一个实施例中,当CFRA的触发方式为切换触发,响应于切换触发的CFRA,网络侧设备可以发送RACH-ConfigDedicated至终端设备。由于RACH-ConfigDedicated携带有第一多PRACH传输配置,第一多PRACH传输配置用于指示终端设备根据多PRACH传输配置发送多个PRACH传输所使用的PRACH资源对应的SSB使用模式,终端设备可以根据通过SSB使用模式在PRACH资源之上传输的多个PRACH,网络侧设备可以接收终端设备通过SSB使用模式在PRACH资源之上传输的多个PRACH。
综上所述,在本公开实施例之中,响应于切换触发的CFRA,发送RACH-ConfigDedicated至终端设备,其中,RACH-ConfigDedicated的CFRA配置携带有第一多PRACH传输配置,第一多PRACH传输配置用于指示终端设备根据多PRACH传输配置发送多个PRACH传输所使用的PRACH资源对应的SSB使用模式;接收终端设备通过SSB使用模式在PRACH资源之上传输的多个PRACH。在本公开实施例之中,具体公开响应于切换触发的CFRA,网络侧设备可以发送RACH-ConfigDedicated至终端设备,以发送第一多PRACH传输配置至终端设备,可以提高第一多PRACH传输配置发送的准确性。在本公开实施例之中,终端设备可以通过网络侧设备发送的第一多PRACH传输配置所指示的SSB使用模式在PRACH资源之上传输的多个PRACH,减少无法传输的多个PRACH的情况,可以提高随机接入成功概率。本公开针对一种“多PRACH传输配置”这一情形提供了一种处理方法,以使终端设备通过SSB使用模式在PRACH资源之上传输的多个PRACH,提升PRACH信道的覆盖。
图8为本公开实施例所提供的一种支持跨SSB的多PRACH传输配置方法的流程示意图,该方法由网络侧设备执行,如图8所示,该方法可以包括以下步骤:
步骤801、响应于波束失败恢复触发的CFRA,发送波束失败恢复配置BeamFailureRecoveryConfig至终端设备,其中,BeamFailureRecoveryConfig携带有第一多PRACH传输配置,第一多PRACH传输配置用于指示终端设备根据多PRACH传输配置发送多个PRACH传输所使用的PRACH资源对应的SSB使用模式;
步骤802、接收终端设备通过SSB使用模式在PRACH资源之上传输的多个PRACH。
示例地,在本公开的一个实施例中,当CFRA的触发方式为波束失败恢复触发,响应于波束失败恢复触发的CFRA,网络侧设备可以发送BeamFailureRecoveryConfig至终端设备。由于BeamFailureRecoveryConfig携带有第一多PRACH传输配置,第一多PRACH传输配置用于指示终端设备根据多PRACH传输配置发送多个PRACH传输所使用的PRACH资源对应的SSB使用模式,终端设备可以根据通过SSB使用模式在PRACH资源之上传输的多个PRACH,网络侧设备可以接收终端设备通过SSB使用模式在PRACH资源之上传输的多个PRACH。
综上所述,在本公开实施例之中,响应于波束失败恢复触发的CFRA,发送BeamFailureRecoveryConfig至终端设备,其中,BeamFailureRecoveryConfig的CFRA配置携带有第一多PRACH传输配置,第一多PRACH传输配置用于指示终端设备根据多PRACH传输配置发送多个PRACH传输所使用的PRACH资源对应的SSB使用模式;接收终端设备通过SSB使用模式在PRACH资源之上传输的多个PRACH。在本公开实施例之中,具体公开响应于波束失败恢复触发的CFRA,网络侧设备可以发送BeamFailureRecoveryConfig至终端设备,以发送第一多PRACH传输配置至终端设备,可以提高第一多PRACH传输配置发送的准确性。在本公开实施例之中,终端设备可以通过网络侧设备发送的第一多PRACH传输配置所指示的SSB使用模式在PRACH资源之上传输的多个PRACH,减少无法传输的多个PRACH的情况,可以提高随机接入成功概率。本公开针对一种“多PRACH传输配置”这一情形提供了一种处理方法,以使终端设备通过SSB使用模式在PRACH资源之上传输的多个PRACH,提升PRACH信道的覆盖。
图9为本公开实施例所提供的一种支持跨SSB的多PRACH传输配置方法的流程示意图,该方法由网络侧设备执行,如图9所示,该方法可以包括以下步骤:
步骤901、通过广播信令发送或者通过专用信令发送第二多PRACH传输配置至终端设备,其中,第二多PRACH传输配置用于指示终端设备根据多PRACH传输配置发送多个PRACH传输所使用的PRACH资源对应的SSB使用模式;
步骤902、接收终端设备通过SSB使用模式在PRACH资源之上传输的多个PRACH。
其中,在本公开的一个实施例之中,广播信令包括系统消息块1SIB1。
以及,在本公开的一个实施例之中,专用信令包括以下至少一种:
无线资源控制RRC重配置RRCReconfiguration消息;
RRC恢复RRCResume消息;
RRC释放RRCRelease消息;
RRC建立RRCSetup消息。
综上所述,在本公开实施例之中,通过广播信令发送或者通过专用信令发送第二多PRACH传输配置至终端设备,其中,第二多PRACH传输配置用于指示终端设备根据多PRACH传输配置发送多个PRACH传输所使用的PRACH资源对应的SSB使用模式;接收终端设备通过SSB使用模式在PRACH资源之上传输的多个PRACH。在本公开实施例之中,具体公开通过广播信令或者通过专用信令发送第二多PRACH传输配置至终端设备,可以提高第二多PRACH传输配置发送的准确性。本公开针对一种“多PRACH传输配置”这一情形提供了一种处理方法,以使终端设备通过SSB使用模式在PRACH资源之上传输的多个PRACH,提升PRACH信道的覆盖。
图10为本公开实施例所提供的一种支持跨SSB的多PRACH传输配置方法的流程示意图,该方法由网络侧设备执行,如图10所示,该方法可以包括以下步骤:
步骤1001、发送公共随机接入信道RACH配置至终端设备,其中,RACH配置携带有第二多PRACH传输配置,第二多PRACH传输配置用于指示终端设备根据多PRACH传输配置发送多个PRACH传输所使用的PRACH资源对应的SSB使用模式;
步骤1002、接收终端设备通过SSB使用模式在PRACH资源之上传输的多个PRACH。
其中,在本公开的一个实施例之中,RACH配置包括在各个部分带宽BWP上单独配置的公共RACH资源。
以及,在本公开的一个实施例之中,发送RACH配置至终端设备,包括:
发送SIB1的初始BWP配置中的第一随机接入公共配置RACH-ConfigCommon至终端设备,其中,第一RACH-ConfigCommon携带有RACH配置。
以及,在本公开的一个实施例之中,发送RACH配置至终端设备,包括:
发送RRCReconfiguration消息的BWP配置的第二RACH-ConfigCommon至终端设备,其中,第二RACH-ConfigCommon携带有RACH配置。
以及,在本公开的一个实施例之中,发送多PRACH传输配置至终端设备,包括:
发送专用RACH配置至终端设备,其中,专用RACH配置携带有第二多PRACH传输配置。
以及,在本公开的一个实施例之中,发送专用RACH配置至终端设备,包括:
响应于波束失败恢复触发的CBRA,发送波束失败恢复配置BeamFailureRecoveryConfig至终端设备,其中,BeamFailureRecoveryConfig携带有专用RACH配置中所配置的第二多PRACH传输配置。
以及,在本公开的一个实施例之中,发送多PRACH传输配置至终端设备,包括:
响应于PScell添加或改变触发的CBRA,发送专用随机接入配置RACH-ConfigDedicated至终端设备,其中,RACH-ConfigDedicated携带有专用RACH配置中所配置的第二多PRACH传输配置。
示例地,在本公开的一个实施例之中,发送多PRACH传输配置至终端设备,包括:
响应于切换触发的CBRA,发送RACH-ConfigDedicated至终端设备,其中,RACH-ConfigDedicated携带有专用RACH配置中所配置的第二多PRACH传输配置。
综上所述,在本公开实施例之中,发送RACH配置至终端设备,其中,RACH配置携带有第二多PRACH传输配置,第二多PRACH传输配置用于指示终端设备根据多PRACH传输配置发送多个PRACH传输所使用的PRACH资源对应的SSB使用模式;接收终端设备通过SSB使用模式在PRACH资源之上传输的多个PRACH。在本公开实施例之中,具体公开发送RACH配置至终端设备,以发送第二多PRACH传输配置至终端设备,可以提高第二多PRACH传输配置发送的准确性。本公开针对一种“多PRACH传输配置”这一情形提供了一种处理方法,以使终端设备通过SSB使用模式在PRACH资源之上传输的多个PRACH,提升PRACH信道的覆盖。
图11为本公开实施例所提供的一种支持跨SSB的多PRACH传输配置方法的流程示意图,该方法由网络侧设备执行,如图11所示,该方法可以包括以下步骤:
步骤1101、发送特征组合feature combination的RACH配置至终端设备,其中,feature combination的RACH配置携带有第二多PRACH传输配置,第二多PRACH传输配置用于指示终端设备根据多PRACH传输配置发送多个PRACH传输所使用的PRACH资源对应的SSB使用模式;
步骤1102、接收终端设备通过SSB使用模式在PRACH资源之上传输的多个PRACH。
其中,在本公开的一个实施例之中,feature combination包括覆盖增强特征Coverage Enhancement feature,其中,Coverage Enhancement feature用于指示支持对第二多PRACH传输的Coverage Enhancement feature。
示例地,feature combination可以包括以下至少一个:
覆盖范围增强Coverage Enhancement;
降低能力(Reduced capability,RedCap);
小包业务(Small Data Transmission,SDT);
切片Slice。
综上所述,在本公开实施例之中,发送feature combination的RACH配置至终端设备,其中,feature combination的RACH配置携带有第二多PRACH传输配置,第二多PRACH传输配置用于指示终端设备根据多PRACH传输配置发送多个PRACH传输所使用的PRACH资源对应的SSB使用模式;接收终端设备通过SSB使用模式在PRACH资源之上传输的多个PRACH。在本公开实施例之中,具体公开发送feature combination的RACH配置至终端设备,以发送第二多PRACH传输配置至终端设备,可以提高第二多PRACH传输配置发送的准确性。本公开针对一种“多PRACH传输配置”这一情形提供了一种处理方法,以使终端设备通过SSB使用模式在PRACH资源之上传输的多个PRACH,提升PRACH信道的覆盖。
图12为本公开实施例所提供的一种支持跨SSB的多PRACH传输配置方法的流程示意图,该方法由终端设备执行,如图12所示,该方法可以包括以下步骤:
步骤1201、通过SSB使用模式在PRACH资源之上传输多个PRACH至网络侧设备。
其中,在本公开的一个实施例中,通过SSB使用模式在PRACH资源之上传输多个PRACH至网络侧设备,包括以下至少一种:
在第一多PRACH传输模式配置对应的PRACH资源之上传输多个PRACH至网络侧设备,其中,第一多PRACH传输模式配置为多PRACH传输所使用的PRACH资源对应的SSB相同;
在第二多PRACH传输模式配置对应的PRACH资源之上传输多个PRACH至网络侧设备,其中,第二多PRACH传输模式配置为多个PRACH传输采用的时域随机接入机会RO资源属于同一个SSB或不同的SSB。
以及,在本公开的一个实施例中,在第一多PRACH传输模式配置对应的PRACH资源之上传输多个PRACH至网络侧设备,包括以下至少一种:
根据第一多PRACH传输模式配置,通过允许跨SSB的第一多PRACH传输对应的PRACH资源之上传输多个PRACH至网络侧设备;
根据第一多PRACH传输模式配置,通过不允许跨SSB的第一多PRACH传输对应的PRACH资源之上传输多个PRACH至网络侧设备。
示例地,在本公开的一个实施例中,在第二多PRACH传输模式配置对应的PRACH资源之上传输多个PRACH至网络侧设备,包括以下至少一种:
根据第二多PRACH传输模式配置,在允许PRACH传输间有SSB间隙SSB gap的第二多PRACH传输对应的PRACH资源之上传输多个PRACH至网络侧设备;
根据第二多PRACH传输模式配置,在不允许PRACH传输间有SSB gap的第二多PRACH传输对应的PRACH资源之上传输多个PRACH至网络侧设备。
示例地,在本公开的一个实施例中,该方法还包括:
发送PRACH能力信息至网络侧设备,其中,PRACH能力信息用于指示终端设备支持多PRACH传输的能力信息。
示例地,在本公开的一个实施例中,发送PRACH能力信息至网络侧设备,包括:
发送UECapabilityInformation至网络侧设备,其中,UECapabilityInformation携带有PRACH能力信息。
进一步地,在本公开的一个实施例中,PRACH能力信息包括以下至少一种:
支持多PRACH传输在相同波束对应的PRACH资源上发送的PRACH能力信息;
支持多PRACH传输在不同波束对应的PRACH资源上发送的PRACH能力信息;
支持跨SSB的多PRACH传输的PRACH能力信息;
支持跨SSB gap的多PRACH传输的PRACH能力信息。
示例地,在本公开的一个实施例中,在通过SSB使用模式在PRACH资源之上传输多个PRACH至网络侧设备之前,还包括:
接收网络侧设备发送的多PRACH传输配置,其中,多PRACH传输配置用于指示终端设备根据多PRACH传输配置发送多个PRACH传输所使用的PRACH资源对应的SSB使用模式。
示例地,在本公开的一个实施例中,接收网络侧设备发送的多PRACH传输配置,包括以下至少一种:
接收网络侧设备发送的多PRACH传输配置,其中,多PRACH传输配置包括基于CFRA的第一多PRACH传输配置和基于CBRA的第二多PRACH传输配置。
综上所述,在本公开实施例之中,通过SSB使用模式在PRACH资源之上传输多个PRACH至网络侧设备。在本公开实施例之中,终端设备可以通过SSB使用模式在PRACH资源之上传输的多个PRACH,减少无法传输的多 个PRACH的情况,可以提高随机接入成功概率。本公开针对一种“多PRACH传输配置”这一情形提供了一种处理方法,以使终端设备通过SSB使用模式在PRACH资源之上传输的多个PRACH,提升PRACH信道的覆盖。
图13为本公开实施例所提供的一种支持跨SSB的多PRACH传输配置方法的流程示意图,该方法由终端设备执行,如图13所示,该方法可以包括以下步骤:
步骤1301、在第一多PRACH传输模式配置对应的PRACH资源之上传输多个PRACH至网络侧设备,其中,第一多PRACH传输模式配置为多PRACH传输所使用的PRACH资源对应的SSB相同。
其中,在本公开的一个实施例之中,多PRACH传输所使用的PRACH资源对应的SSB相同例如可以波束相同,可以是指该波束对应的波束标识(信道状态索引的参考信号序号CSI-RS-Index或SSB序号SSB-Index)相同,或者指同一个波束。多个PRACH传输在相同波束所关联的不同RACH Occasion(RO)上发送。
示例地,多PRACH传输模式配置可以是网络侧设备发送的,还可以是无需网络侧设备设置该PRACH传输模式配置,而是系统约定的。例如,网络侧设备可以指示发送多个PRACH传输的波束的波束标识(CSI-RS-Index或SSB-Index)。
示例地,在本公开的一个实施例中,在第一多PRACH传输模式配置对应的PRACH资源之上传输多个PRACH至网络侧设备,包括以下至少一种:
根据第一多PRACH传输模式配置,通过允许跨SSB的第一多PRACH传输对应的PRACH资源之上传输多个PRACH至网络侧设备;
根据第一多PRACH传输模式配置,通过不允许跨SSB的第一多PRACH传输对应的PRACH资源之上传输多个PRACH至网络侧设备。
以及,在本公开的一个实施例之中,例如在允许跨SSB的第一多PRACH传输中,当终端设备在一个SSB关联的一个或多个RO上发送了一个或多个PRACH传输后,如果总PRACH传输数目小于配置值N,如果当前SSB没有剩余的RO,UE在下一个该SSB发送时刻所关联的RO发送剩余次数的PRACH传输。其中,N为正整数。
以及,在本公开的一个实施例之中,例如在不允许跨SSB的第一多PRACH传输中,当终端设备在一个SSB关联的一个或多个RO上发送了一个或多个PRACH传输后,如果总PRACH传输数目小于配置值N,如果当前SSB没有剩余的RO,终端设备不再发送剩余次数的PRACH传输。其中,N为正整数。
综上所述,在本公开实施例之中,在第一多PRACH传输模式配置对应的PRACH资源之上传输多个PRACH至网络侧设备,其中,第一多PRACH传输模式配置为多PRACH传输所使用的PRACH资源对应的SSB相同。在本公开实施例之中,终端设备可以在第一多PRACH传输模式配置对应的PRACH资源之上传输多个PRACH,减少无法传输的多个PRACH的情况,可以提高随机接入成功概率。本公开针对一种“多PRACH传输配置”这一情形提供了一种处理方法,以使终端设备通过SSB使用模式在PRACH资源之上传输的多个PRACH,提升PRACH信道的覆盖。
图14为本公开实施例所提供的一种支持跨SSB的多PRACH传输配置方法的流程示意图,该方法由终端设备执行,如图14所示,该方法可以包括以下步骤:
步骤1401、在第二多PRACH传输模式配置对应的PRACH资源之上传输多个PRACH至网络侧设备,其中,第二多PRACH传输模式配置为多个PRACH传输采用的时域随机接入机会RO资源属于同一个SSB或不同的SSB。
其中,在本公开的一个实施例之中,第二多PRACH传输模式配置用于指示中所述波束不同,例如可以指该波束对应的波束标识(CSI-RS-Index或SSB-Index)不同,或者可以指非同一个波束。比如网络侧设备下发的SSB按时间顺序是SSB1、SSB2、SSB3、SSB4、SSB1、SSB2、SSB3。那么第一个SSB1和第二个SSB1也不是同一个波束。
示例地,波束不同对应两种方式:方式一,不同的PRACH传输一定在不同波束所关联的RO上;方式二,不同的PRACH传输可以在不同波束所关联的RO上,也可以在同一个波束所关联的RO上,或者部分传输在一个波束关联的RO上,另一部分传输在另一个波束关联的RO上。
示例地,在本公开的一个实施例中,在第二多PRACH传输模式配置对应的PRACH资源之上传输多个PRACH至网络侧设备,包括以下至少一种:
根据第二多PRACH传输模式配置,在允许PRACH传输间有SSB间隙SSB gap的第二多PRACH传输对应的PRACH资源之上传输多个PRACH至网络侧设备;
根据第二多PRACH传输模式配置,在不允许PRACH传输间有SSB gap的第二多PRACH传输对应的PRACH资源之上传输多个PRACH至网络侧设备。
示例地,在本公开的一个实施例中,在允许PRACH传输间有SSB gap的第二多PRACH传输中,例如当终端设备在一个SSB关联的一个或多个RO上发送了一个或多个PRACH传输后,如果总PRACH传输数目小于配置值 N,且当前SSB没有剩余的RO,但下一个SSB的RSRP不满足门限要求,终端设备可以跳过该SSB的RO,而使用下一个RSRP满足门限的SSB的RO资源。
示例地,在本公开的一个实施例中,例如,当终端设备在一个SSB1关联的一个或多个RO上发送了一个或多个PRACH传输后,如果总PRACH传输数目小于配置值N,且当前SSB1没有剩余的RO,但SSB2的RSRP不满足门限要求,终端设备可以跳过该SSB2的RO,而当SSB3的RSRP满足门限时,终端设备可以使用SSB3的RO资源。
示例地,在本公开的一个实施例中,在不允许PRACH传输间有SSB gap的第二多PRACH传输中,当终端设备在一个SSB关联的一个或多个RO上发送了一个或多个PRACH传输后,如果总PRACH传输数目小于配置值N,如果当前SSB没有剩余的RO,但下一个SSB的RSRP不满足门限要求,终端设备停止剩余次数的多PRACH传输。
示例地,在本公开的一个实施例中,例如终端设备在一个SSB1关联的一个或多个RO上发送了一个或多个PRACH传输后,如果总PRACH传输数目小于配置值N,如果当前SSB1没有剩余的RO,但SSB2的RSRP不满足门限要求,终端设备停止剩余次数的多PRACH传输。
综上所述,在本公开实施例之中,通过在第二多PRACH传输模式配置对应的PRACH资源之上传输多个PRACH至网络侧设备,其中,第二多PRACH传输模式配置为多个PRACH传输采用的时域随机接入机会RO资源属于同一个SSB或不同的SSB。在本公开实施例之中,终端设备可以在第二多PRACH传输模式配置对应的PRACH资源之上传输多个PRACH至网络侧设备,减少无法传输的多个PRACH的情况,可以提高随机接入成功概率。本公开针对一种“多PRACH传输配置”这一情形提供了一种处理方法,以使终端设备通过SSB使用模式在PRACH资源之上传输的多个PRACH,提升PRACH信道的覆盖。
图15为本公开实施例所提供的一种支持跨SSB的多PRACH传输配置方法的流程示意图,该方法由终端设备执行,如图15所示,该方法可以包括以下步骤:
步骤1501、发送PRACH能力信息至网络侧设备,其中,PRACH能力信息用于指示终端设备支持多PRACH传输的能力信息;
以及,在本公开的一个实施例中,发送PRACH能力信息至网络侧设备,包括:
发送UECapabilityInformation至网络侧设备,其中,UECapabilityInformation携带有PRACH能力信息。
示例地,在本公开的一个实施例中,RACH能力信息包括以下至少一种:
支持多PRACH传输在相同波束对应的PRACH资源上发送的PRACH能力信息;
支持多PRACH传输在不同波束对应的PRACH资源上发送的PRACH能力信息;
支持跨SSB的多PRACH传输的PRACH能力信息;
支持跨SSB gap的多PRACH传输的PRACH能力信息。
步骤1502、接收网络侧设备发送的多PRACH传输配置,其中,多PRACH传输配置用于指示终端设备根据多PRACH传输配置发送多个PRACH传输所使用的PRACH资源对应的SSB使用模式;
以及,在本公开的一个实施例中,接收网络侧设备发送的多PRACH传输配置,包括以下至少一种:
接收网络侧设备发送的多PRACH传输配置,其中,多PRACH传输配置包括基于CFRA的第一多PRACH传输配置和基于CBRA的第二多PRACH传输配置。
步骤1503、通过SSB使用模式在PRACH资源之上传输多个PRACH至网络侧设备。
其中,关于步骤1501-1503的其他详细介绍可以参考上述实施例描述,本公开实施例在此不做赘述。
综上所述,在本公开实施例之中,发送PRACH能力信息至网络侧设备,其中,PRACH能力信息用于指示终端设备支持多PRACH传输的能力信息,接收网络侧设备发送的多PRACH传输配置,其中,多PRACH传输配置用于指示终端设备根据多PRACH传输配置发送多个PRACH传输所使用的PRACH资源对应的SSB使用模式,通过SSB使用模式在PRACH资源之上传输多个PRACH至网络侧设备。在本公开实施例之中,终端设备发送PRACH能力信息至网络侧设备,以接收网络侧设备发送的多PRACH传输配置,可以提高多PRACH传输配置发送的准确性。本公开针对一种“多PRACH传输配置”这一情形提供了一种处理方法,以减少多PRACH传输配置的时长,提高多PRACH传输配置的效率,进而提高网络侧设备进行参数调整的便利性。
图16为本公开实施例所提供的一种支持跨SSB的多PRACH传输配置装置的结构示意图,如图16所示,该装置1600可以包括:
发送模块1601,用于发送多PRACH传输配置至终端设备,其中,所述多PRACH传输配置用于指示所述终端设备根据所述多PRACH传输配置发送多个PRACH传输所使用的PRACH资源对应的SSB使用模式;
接收模块1602,用于接收所述终端设备通过所述SSB使用模式在所述PRACH资源之上传输的多个PRACH。
综上所述,在本公开实施例的支持跨SSB的多PRACH传输配置装置之中,通过发送模块可以发送多PRACH 传输配置至终端设备,其中,所述多PRACH传输配置用于指示所述终端设备根据所述多PRACH传输配置发送多个PRACH传输所使用的PRACH资源对应的SSB使用模式;接收模块可以接收所述终端设备通过所述SSB使用模式在所述PRACH资源之上传输的多个PRACH。在本公开实施例之中,支持跨SSB的多PRACH传输配置装置可以发送多PRACH传输配置至终端设备,以使终端设备通过SSB使用模式在PRACH资源之上传输的多个PRACH,减少无法传输的多个PRACH的情况,可以提高随机接入成功概率。本公开针对一种“多PRACH传输配置”这一情形提供了一种处理装置,以使终端设备通过SSB使用模式在PRACH资源之上传输的多个PRACH,提升PRACH信道的覆盖。
其次,在本公开的一个实施例之中,发送模块1601,用于发送多PRACH传输配置至终端设备时,具体用于:
发送多PRACH传输模式配置至终端设备。
可选地,在本公开的一个实施例之中,发送模块1601,用于发送多PRACH传输模式配置至终端设备时,包括以下至少一种:
发送第一多PRACH传输模式配置至终端设备,其中,第一多PRACH传输模式配置为PRACH资源对应的SSB相同;
发送第二多PRACH传输模式配置至终端设备,其中,第二多PRACH传输模式配置为PRACH资源对应的SSB不同。
可选地,在本公开的一个实施例之中,发送模块1601,用于发送第一多PRACH传输模式配置至终端设备时,包括以下至少一种:
发送允许跨SSB的第一多PRACH传输模式配置至终端设备;
发送不允许跨SSB的第一多PRACH传输模式配置至终端设备。
可选地,在本公开的一个实施例之中,发送模块1601,用于发送第二多PRACH传输模式配置至终端设备,包括以下至少一种:
发送允许PRACH传输间有SSB间隙SSB gap的第二多PRACH传输模式配置至终端设备;
发送不允许PRACH传输间有SSB gap的第二多PRACH传输模式配置至终端设备。
可选地,在本公开的一个实施例之中,发送模块1601,用于发送多PRACH传输配置至终端设备时,包括以下至少一种:
发送多PRACH传输配置至终端设备,其中,多PRACH传输配置包括基于非竞争的随机接入CFRA的第一多PRACH传输配置和基于竞争的随机接入CBRA的第二多PRACH传输配置。
可选地,在本公开的一个实施例之中,CFRA的触发方式包括以下至少一种:
物理下行控制信道PDCCH触发;
切换触发;
波束失败恢复触发;
PScell添加或改变触发。
可选地,在本公开的一个实施例之中,发送模块1601,用于发送多PRACH传输配置至终端设备时,具体用于:
响应于PDCCH触发的CFRA,发送PDCCH顺序PDCCH order至终端设备,PDCCH order携带有第一多PRACH传输配置。
可选地,在本公开的一个实施例之中,发送模块1601,用于发送多PRACH传输配置至终端设备时,具体用于:
响应于PScell添加或改变触发的CFRA,发送专用随机接入配置RACH-ConfigDedicated至终端设备,RACH-ConfigDedicated的CFRA配置携带有第一多PRACH传输配置。
可选地,在本公开的一个实施例之中,发送模块1601,用于发送多PRACH传输配置至终端设备时,具体用于:
响应于切换触发的CFRA,发送RACH-ConfigDedicated至终端设备,RACH-ConfigDedicated的CFRA配置携带有第一多PRACH传输配置。
可选地,在本公开的一个实施例之中,发送模块1601,用于发送多PRACH传输配置至终端设备时,具体用于:
响应于波束失败恢复触发的CFRA,发送波束失败恢复配置BeamFailureRecoveryConfig至终端设备,BeamFailureRecoveryConfig携带有第一多PRACH传输配置。
可选地,在本公开的一个实施例之中,发送模块1601,用于发送多PRACH传输配置至终端设备时,具体用于:
通过广播信令发送或者通过专用信令发送第二多PRACH传输配置至终端设备。
可选地,在本公开的一个实施例之中,广播信令包括系统消息块1SIB1。
可选地,在本公开的一个实施例之中,专用信令包括以下至少一种:
无线资源控制RRC重配置RRCReconfiguration消息;
RRC恢复RRCResume消息;
RRC释放RRCRelease消息;
RRC建立RRCSetup消息。
可选地,在本公开的一个实施例之中,发送模块1601,用于发送多PRACH传输配置至终端设备时,具体用于:
发送公共随机接入信道RACH配置至终端设备,其中,RACH配置携带有第二多PRACH传输配置。
可选地,在本公开的一个实施例之中,RACH配置包括在各个部分带宽BWP上单独配置的公共RACH资源。
可选地,在本公开的一个实施例之中,发送模块1601,用于发送RACH配置至终端设备时,具体用于:
发送SIB1的初始BWP配置中的第一随机接入公共配置RACH-ConfigCommon至终端设备,其中,第一RACH-ConfigCommon携带有RACH配置。
可选地,在本公开的一个实施例之中,发送模块1601,用于发送RACH配置至终端设备时,具体用于:
发送RRCReconfiguration消息的BWP配置的第二RACH-ConfigCommon至终端设备,其中,第二RACH-ConfigCommon携带有RACH配置。
可选地,在本公开的一个实施例之中,发送模块1601,用于发送多PRACH传输配置至终端设备时,具体用于
发送专用RACH配置至终端设备,其中,专用RACH配置携带有第二多PRACH传输配置。
可选地,在本公开的一个实施例之中,发送模块1601,用于发送专用RACH配置至终端设备时,具体用于:
响应于波束失败恢复触发的CBRA,发送波束失败恢复配置BeamFailureRecoveryConfig至终端设备,BeamFailureRecoveryConfig携带有专用RACH配置中所配置的第二多PRACH传输配置。
可选地,在本公开的一个实施例之中,发送模块1601,用于发送多PRACH传输配置至终端设备时,具体用于:
响应于PScell添加或改变触发的CBRA,发送专用随机接入配置RACH-ConfigDedicated至终端设备,RACH-ConfigDedicated携带有专用RACH配置中所配置的第二多PRACH传输配置。
可选地,在本公开的一个实施例之中,发送模块1601,用于发送多PRACH传输配置至终端设备时,具体用于
响应于切换触发的CBRA,发送RACH-ConfigDedicated至终端设备,RACH-ConfigDedicated携带有专用RACH配置中所配置的第二多PRACH传输配置。
可选地,在本公开的一个实施例之中,发送模块1601,用于发送多PRACH传输配置至终端设备时,具体用于
发送特征组合feature combination的RACH配置至终端设备,其中,feature combination的RACH配置携带有第二多PRACH传输配置。
可选地,在本公开的一个实施例之中,feature combination包括覆盖增强特征Coverage Enhancement feature,其中,Coverage Enhancement feature用于指示支持对第二多PRACH传输的Coverage Enhancement feature。
可选地,在本公开的一个实施例之中,接收模块1602还用于接收终端设备发送的PRACH能力信息,其中,PRACH能力信息用于指示终端设备支持多PRACH传输的能力信息。
可选地,在本公开的一个实施例之中,接收模块1602,用于接收终端设备发送的PRACH能力信息时,具体用于:
接收终端设备发送的终端能力信息UECapabilityInformation,其中,UECapabilityInformation携带有PRACH能力信息。
可选地,在本公开的一个实施例之中,PRACH能力信息包括以下至少一种:
支持多PRACH传输在相同波束对应的PRACH资源上发送的PRACH能力信息;
支持多PRACH传输在不同波束对应的PRACH资源上发送的PRACH能力信息;
支持跨SSB的多PRACH传输的PRACH能力信息;
支持跨SSB gap的多PRACH传输的PRACH能力信息。
可选地,在本公开的一个实施例之中,在接收终端设备发送的PRACH能力信息之后,还包括:
基于PRACH能力信息,通过专用信令为终端设备配置多PRACH传输模式配置。
图17为本公开实施例所提供的一种支持跨SSB的多PRACH传输配置装置的结构示意图,如图17所示,该装置1700可以包括:
传输模块1701,用于通过SSB使用模式在PRACH资源之上传输多个PRACH至网络侧设备。
综上所述,在本公开实施例的支持跨SSB的多PRACH传输配置装置之中,传输模块可以通过SSB使用模式在PRACH资源之上传输多个PRACH至网络侧设备。在本公开实施例之中,多PRACH传输配置可以通过SSB使用模式在PRACH资源之上传输的多个PRACH,减少无法传输的多个PRACH的情况,可以提高随机接入成功概率。本公开针对一种“多PRACH传输配置”这一情形提供了一种处理装置,以使终端设备通过SSB使用模式在PRACH资源之上传输的多个PRACH,提升PRACH信道的覆盖。
可选地,在本公开的一个实施例之中,传输模块1701,用于通过SSB使用模式在PRACH资源之上传输多个PRACH至网络侧设备,包括以下至少一种:
在第一多PRACH传输模式配置对应的PRACH资源之上传输多个PRACH至网络侧设备,其中,第一多PRACH传输模式配置为多PRACH传输所使用的PRACH资源对应的SSB相同;
在第二多PRACH传输模式配置对应的PRACH资源之上传输多个PRACH至网络侧设备,其中,第二多PRACH传输模式配置为多个PRACH传输采用的时域随机接入机会RO资源属于同一个SSB或不同的SSB。
可选地,在本公开的一个实施例之中,传输模块1701,用于在第一多PRACH传输模式配置对应的PRACH资源之上传输多个PRACH至网络侧设备,包括以下至少一种:
根据第一多PRACH传输模式配置,通过允许跨SSB的第一多PRACH传输对应的PRACH资源之上传输多个PRACH至网络侧设备;
根据第一多PRACH传输模式配置,通过不允许跨SSB的第一多PRACH传输对应的PRACH资源之上传输多个PRACH至网络侧设备。
可选地,在本公开的一个实施例之中,传输模块1701,用于在第二多PRACH传输模式配置对应的PRACH资源之上传输多个PRACH至网络侧设备,包括以下至少一种:
根据第二多PRACH传输模式配置,在允许PRACH传输间有SSB间隙SSB gap的第二多PRACH传输对应的PRACH资源之上传输多个PRACH至网络侧设备;
根据第二多PRACH传输模式配置,在不允许PRACH传输间有SSB gap的第二多PRACH传输对应的PRACH资源之上传输多个PRACH至网络侧设备。
可选地,在本公开的一个实施例之中,传输模块1701,还用于发送PRACH能力信息至网络侧设备,其中,PRACH能力信息用于指示终端设备支持多PRACH传输的能力信息。
可选地,在本公开的一个实施例之中,传输模块1701,还用于发送PRACH能力信息至网络侧设备,包括:
发送UECapabilityInformation至网络侧设备,其中,UECapabilityInformation携带有PRACH能力信息。
可选地,在本公开的一个实施例之中,PRACH能力信息包括以下至少一种:
支持多PRACH传输在相同波束对应的PRACH资源上发送的PRACH能力信息;
支持多PRACH传输在不同波束对应的PRACH资源上发送的PRACH能力信息;
支持跨SSB的多PRACH传输的PRACH能力信息;
支持跨SSB gap的多PRACH传输的PRACH能力信息。
可选地,在本公开的一个实施例之中,在通过SSB使用模式在PRACH资源之上传输多个PRACH至网络侧设备之前,还包括:
接收网络侧设备发送的多PRACH传输配置,其中,多PRACH传输配置用于指示终端设备根据多PRACH传输配置发送多个PRACH传输所使用的PRACH资源对应的SSB使用模式。
可选地,在本公开的一个实施例之中,接收网络侧设备发送的多PRACH传输配置,包括以下至少一种:
接收网络侧设备发送的多PRACH传输配置,其中,多PRACH传输配置包括基于CFRA的第一多PRACH传输配置和基于CBRA的第二多PRACH传输配置。
图18是本公开一个实施例所提供的一种终端设备UE1600的框图。例如,UE1600可以是移动电话,计算机,数字广播终端设备,消息收发设备,游戏控制台,平板设备,医疗设备,健身设备,个人数字助理等。
参照图18,UE1800可以包括以下至少一个组件:处理组件1802,存储器1804,电源组件1806,多媒体组件1808,音频组件1810,输入/输出(I/O)的接口1812,传感器组件1814,以及通信组件1818。
处理组件1802通常控制UE1800的整体操作,诸如与显示,电话呼叫,数据通信,相机操作和记录操作相关联的操作。处理组件1802可以包括至少一个处理器1820来执行指令,以完成上述的方法的全部或部分步骤。此外,处理组件1802可以包括至少一个模块,便于处理组件1802和其他组件之间的交互。例如,处理组件1802可以包括多媒体模块,以方便多媒体组件1808和处理组件1802之间的交互。
存储器1804被配置为存储各种类型的数据以支持在UE1800的操作。这些数据的示例包括用于在UE1800上操作的任何应用程序或方法的指令,联系人数据,电话簿数据,消息,图片,视频等。存储器1804可以由任何类型的易失性或非易失性存储设备或者它们的组合实现,如静态随机存取存储器(SRAM),电可擦除可编程只读存储器(EEPROM),可擦除可编程只读存储器(EPROM),可编程只读存储器(PROM),只读存储器(ROM),磁存储器,快闪存储器,磁盘或光盘。
电源组件1806为UE1800的各种组件提供电力。电源组件1806可以包括电源管理系统,至少一个电源,及其 他与为UE1800生成、管理和分配电力相关联的组件。
多媒体组件1808包括在所述UE1800和用户之间的提供一个输出接口的屏幕。在一些实施例中,屏幕可以包括液晶显示器(LCD)和触摸面板(TP)。如果屏幕包括触摸面板,屏幕可以被实现为触摸屏,以接收来自用户的输入信号。触摸面板包括至少一个触摸传感器以感测触摸、滑动和触摸面板上的手势。所述触摸传感器可以不仅感测触摸或滑动动作的边界,而且还检测与所述触摸或滑动操作相关的唤醒时间和压力。在一些实施例中,多媒体组件1808包括一个前置摄像头和/或后置摄像头。当UE1800处于操作模式,如拍摄模式或视频模式时,前置摄像头和/或后置摄像头可以接收外部的多媒体数据。每个前置摄像头和后置摄像头可以是一个固定的光学透镜系统或具有焦距和光学变焦能力。
音频组件1810被配置为输出和/或输入音频信号。例如,音频组件1810包括一个麦克风(MIC),当UE1800处于操作模式,如呼叫模式、记录模式和语音识别模式时,麦克风被配置为接收外部音频信号。所接收的音频信号可以被进一步存储在存储器1804或经由通信组件1818发送。在一些实施例中,音频组件1810还包括一个扬声器,用于输出音频信号。
I/O接口1812为处理组件1802和外围接口模块之间提供接口,上述外围接口模块可以是键盘,点击轮,按钮等。这些按钮可包括但不限于:主页按钮、音量按钮、启动按钮和锁定按钮。
传感器组件181814包括至少一个传感器,用于为UE1800提供各个方面的状态评估。例如,传感器组件1814可以检测到设备1800的打开/关闭状态,组件的相对定位,例如所述组件为UE1800的显示器和小键盘,传感器组件1814还可以检测UE1800或UE1800的一个组件的位置改变,用户与UE1800接触的存在或不存在,UE1800方位或加速/减速和UE1800的温度变化。传感器组件1814可以包括接近传感器,被配置用来在没有任何的物理接触时检测附近物体的存在。传感器组件1814还可以包括光传感器,如CMOS或CCD图像传感器,用于在成像应用中使用。在一些实施例中,该传感器组件1814还可以包括加速度传感器,陀螺仪传感器,磁传感器,压力传感器或温度传感器。
通信组件1818被配置为便于UE1800和其他设备之间有线或无线方式的通信。UE1800可以接入基于通信标准的无线网络,如WiFi,2G或3G,或它们的组合。在一个示例性实施例中,通信组件1818经由广播信道接收来自外部广播管理系统的广播信号或广播相关信息。在一个示例性实施例中,所述通信组件1818还包括近场通信(NFC)模块,以促进短程通信。例如,在NFC模块可基于射频识别(RFID)技术,红外数据协会(IrDA)技术,超宽带(UWB)技术,蓝牙(BT)技术和其他技术来实现。
在示例性实施例中,UE1800可以被至少一个应用专用集成电路(ASIC)、数字信号处理器(DSP)、数字信号处理设备(DSPD)、可编程逻辑器件(PLD)、现场可编程门阵列(FPGA)、控制器、微控制器、微处理器或其他电子元件实现,用于执行上述方法。
图19是本公开实施例所提供的一种网络侧设备1900的框图。例如,网络侧设备1900可以被提供为一网络侧设备。参照图19,网络侧设备1900包括处理组件1922,其进一步包括至少一个处理器,以及由存储器1932所代表的存储器资源,用于存储可由处理组件1922的执行的指令,例如应用程序。存储器1932中存储的应用程序可以包括一个或一个以上的每一个对应于一组指令的模块。此外,处理组件1922被配置为执行指令,以执行上述方法前述应用在所述网络侧设备的任意方法,例如,如图1所示方法。
网络侧设备1900还可以包括一个电源组件1926被配置为执行网络侧设备1900的电源管理,一个有线或无线网络接口1950被配置为将网络侧设备1900连接到网络,和一个输入/输出(I/O)接口1958。网络侧设备1900可以操作基于存储在存储器1932的操作系统,例如Windows Server TM,Mac OS XTM,Unix TM,Linux TM,Free BSDTM或类似。
上述本公开提供的实施例中,分别从网络侧设备、UE的角度对本公开实施例提供的方法进行了介绍。为了实现上述本公开实施例提供的方法中的各功能,网络侧设备和UE可以包括硬件结构、软件模块,以硬件结构、软件模块、或硬件结构加软件模块的形式来实现上述各功能。上述各功能中的某个功能可以以硬件结构、软件模块、或者硬件结构加软件模块的方式来执行。
上述本公开提供的实施例中,分别从网络侧设备、UE的角度对本公开实施例提供的方法进行了介绍。为了实现上述本公开实施例提供的方法中的各功能,网络侧设备和UE可以包括硬件结构、软件模块,以硬件结构、软件模块、或硬件结构加软件模块的形式来实现上述各功能。上述各功能中的某个功能可以以硬件结构、软件模块、或者硬件结构加软件模块的方式来执行。
本公开实施例提供的一种通信装置。通信装置可包括收发模块和处理模块。收发模块可包括发送模块和/或接收模块,发送模块用于实现发送功能,接收模块用于实现接收功能,收发模块可以实现发送功能和/或接收功能。
通信装置可以是终端设备(如前述方法实施例中的终端设备),也可以是终端设备中的装置,还可以是能够与 终端设备匹配使用的装置。或者,通信装置可以是网络设备,也可以是网络设备中的装置,还可以是能够与网络设备匹配使用的装置。
本公开实施例提供的另一种通信装置。通信装置可以是网络设备,也可以是终端设备(如前述方法实施例中的终端设备),也可以是支持网络设备实现上述方法的芯片、芯片系统、或处理器等,还可以是支持终端设备实现上述方法的芯片、芯片系统、或处理器等。该装置可用于实现上述方法实施例中描述的方法,具体可以参见上述方法实施例中的说明。
通信装置可以包括一个或多个处理器。处理器可以是通用处理器或者专用处理器等。例如可以是基带处理器或中央处理器。基带处理器可以用于对通信协议以及通信数据进行处理,中央处理器可以用于对通信装置(如,网络侧设备、基带芯片,终端设备、终端设备芯片,DU或CU等)进行控制,执行计算机程序,处理计算机程序的数据。
可选地,通信装置中还可以包括一个或多个存储器,其上可以存有计算机程序,处理器执行所述计算机程序,以使得通信装置执行上述方法实施例中描述的方法。可选地,所述存储器中还可以存储有数据。通信装置和存储器可以单独设置,也可以集成在一起。
可选地,通信装置还可以包括收发器、天线。收发器可以称为收发单元、收发机、或收发电路等,用于实现收发功能。收发器可以包括接收器和发送器,接收器可以称为接收机或接收电路等,用于实现接收功能;发送器可以称为发送机或发送电路等,用于实现发送功能。
可选地,通信装置中还可以包括一个或多个接口电路。接口电路用于接收代码指令并传输至处理器。处理器运行所述代码指令以使通信装置执行上述方法实施例中描述的方法。
通信装置为网络侧设备:处理器用于执行图1-图11任一所示的方法。
通信装置为终端设备(如前述方法实施例中的终端设备):处理器用于执行图12-图15任一所示的方法。
在一种实现方式中,处理器中可以包括用于实现接收和发送功能的收发器。例如该收发器可以是收发电路,或者是接口,或者是接口电路。用于实现接收和发送功能的收发电路、接口或接口电路可以是分开的,也可以集成在一起。上述收发电路、接口或接口电路可以用于代码/数据的读写,或者,上述收发电路、接口或接口电路可以用于信号的传输或传递。
在一种实现方式中,处理器可以存有计算机程序,计算机程序在处理器上运行,可使得通信装置执行上述方法实施例中描述的方法。计算机程序可能固化在处理器中,该种情况下,处理器可能由硬件实现。
在一种实现方式中,通信装置可以包括电路,所述电路可以实现前述方法实施例中发送或接收或者通信的功能。本公开中描述的处理器和收发器可实现在集成电路(integrated circuit,IC)、模拟IC、射频集成电路RFIC、混合信号IC、专用集成电路(application specific integrated circuit,ASIC)、印刷电路板(printed circuit board,PCB)、电子设备等上。该处理器和收发器也可以用各种IC工艺技术来制造,例如互补金属氧化物半导体(complementary metal oxide semiconductor,CMOS)、N型金属氧化物半导体(nMetal-oxide-semiconductor,NMOS)、P型金属氧化物半导体(positive channel metal oxide semiconductor,PMOS)、双极结型晶体管(bipolar junction transistor,BJT)、双极CMOS(BiCMOS)、硅锗(SiGe)、砷化镓(GaAs)等。
以上实施例描述中的通信装置可以是网络设备或者终端设备(如前述方法实施例中的终端设备),但本公开中描述的通信装置的范围并不限于此,而且通信装置的结构可以不受的限制。通信装置可以是独立的设备或者可以是较大设备的一部分。例如所述通信装置可以是:
(1)独立的集成电路IC,或芯片,或,芯片系统或子系统;
(2)具有一个或多个IC的集合,可选地,该IC集合也可以包括用于存储数据,计算机程序的存储部件;
(3)ASIC,例如调制解调器(Modem);
(4)可嵌入在其他设备内的模块;
(5)接收机、终端设备、智能终端设备、蜂窝电话、无线设备、手持机、移动单元、车载设备、网络设备、云设备、人工智能设备等等;
(6)其他等等。
对于通信装置可以是芯片或芯片系统的情况,芯片包括处理器和接口。其中,处理器的数量可以是一个或多个,接口的数量可以是多个。
可选地,芯片还包括存储器,存储器用于存储必要的计算机程序和数据。
本领域技术人员还可以了解到本公开实施例列出的各种说明性逻辑块(illustrative logical block)和步骤(step)可以通过电子硬件、电脑软件,或两者的结合进行实现。这样的功能是通过硬件还是软件来实现取决于特定的应用和整个系统的设计要求。本领域技术人员可以对于每种特定的应用,可以使用各种方法实现所述的功能,但这种实 现不应被理解为超出本公开实施例保护的范围。
本公开还提供一种可读存储介质,其上存储有指令,该指令被计算机执行时实现上述任一方法实施例的功能。
本公开还提供一种计算机程序产品,该计算机程序产品被计算机执行时实现上述任一方法实施例的功能。
在上述实施例中,可以全部或部分地通过软件、硬件、固件或者其任意组合来实现。当使用软件实现时,可以全部或部分地以计算机程序产品的形式实现。所述计算机程序产品包括一个或多个计算机程序。在计算机上加载和执行所述计算机程序时,全部或部分地产生按照本公开实施例所述的流程或功能。所述计算机可以是通用计算机、专用计算机、计算机网络、或者其他可编程装置。所述计算机程序可以存储在计算机可读存储介质中,或者从一个计算机可读存储介质向另一个计算机可读存储介质传输,例如,所述计算机程序可以从一个网站站点、计算机、服务器或数据中心通过有线(例如同轴电缆、光纤、数字用户线(digital subscriber line,DSL))或无线(例如红外、无线、微波等)方式向另一个网站站点、计算机、服务器或数据中心进行传输。所述计算机可读存储介质可以是计算机能够存取的任何可用介质或者是包含一个或多个可用介质集成的服务器、数据中心等数据存储设备。所述可用介质可以是磁性介质(例如,软盘、硬盘、磁带)、光介质(例如,高密度数字视频光盘(digital video disc,DVD))、或者半导体介质(例如,固态硬盘(solid state disk,SSD))等。
本领域普通技术人员可以理解:本公开中涉及的第一、第二等各种数字编号仅为描述方便进行的区分,并不用来限制本公开实施例的范围,也表示先后顺序。
本公开中的至少一个还可以描述为一个或多个,多个可以是两个、三个、四个或者更多个,本公开不做限制。在本公开实施例中,对于一种技术特征,通过“第一”、“第二”、“第三”、“A”、“B”、“C”和“D”等区分该种技术特征中的技术特征,该“第一”、“第二”、“第三”、“A”、“B”、“C”和“D”描述的技术特征间无先后顺序或者大小顺序。
本领域技术人员在考虑说明书及实践这里公开的发明后,将容易想到本发明的其它实施方案。本公开旨在涵盖本发明的任何变型、用途或者适应性变化,这些变型、用途或者适应性变化遵循本发明的一般性原理并包括本公开未公开的本技术领域中的公知常识或惯用技术手段。说明书和实施例仅被视为示例性的,本公开的真正范围和精神由下面的权利要求指出。
应当理解的是,本公开并不局限于上面已经描述并在附图中示出的精确结构,并且可以在不脱离其范围进行各种修改和改变。本公开的范围仅由所附的权利要求来限制。

Claims (45)

  1. 一种支持跨同步信号块SSB的多物理随机接入通道PRACH传输配置方法,其特征在于,所述方法由网络侧设备执行,所述方法包括:
    发送多PRACH传输配置至终端设备,其中,所述多PRACH传输配置用于指示所述终端设备根据所述多PRACH传输配置发送多个PRACH传输所使用的PRACH资源对应的SSB使用模式;
    接收所述终端设备通过所述SSB使用模式在所述PRACH资源之上传输的多个PRACH。
  2. 根据权利要求1所述的方法,其特征在于,所述发送多PRACH传输配置至终端设备,包括:
    发送多PRACH传输模式配置至所述终端设备。
  3. 根据权利要求2所述的方法,其特征在于,所述发送多PRACH传输模式配置至所述终端设备,包括以下至少一种:
    发送第一多PRACH传输模式配置至所述终端设备,其中,所述第一多PRACH传输模式配置为所述PRACH资源对应的SSB相同;
    发送第二多PRACH传输模式配置至所述终端设备,其中,所述第二多PRACH传输模式配置为所述PRACH资源对应的SSB不同。
  4. 根据权利要求3所述的方法,其特征在于,所述发送第一多PRACH传输模式配置至所述终端设备,包括以下至少一种:
    发送允许跨SSB的第一多PRACH传输模式配置至所述终端设备;
    发送不允许跨SSB的第一多PRACH传输模式配置至所述终端设备。
  5. 根据权利要求3所述的方法,其特征在于,所述发送第二多PRACH传输模式配置至所述终端设备,包括以下至少一种:
    发送允许PRACH传输间有SSB间隙SSB gap的第二多PRACH传输模式配置至所述终端设备;
    发送不允许所述PRACH传输间有所述SSB gap的所述第二多PRACH传输模式配置至所述终端设备。
  6. 根据权利要求1所述的方法,其特征在于,所述发送多PRACH传输配置至终端设备,包括以下至少一种:
    发送多PRACH传输配置至所述终端设备,其中,所述多PRACH传输配置包括基于非竞争的随机接入CFRA的第一多PRACH传输配置和基于竞争的随机接入CBRA的第二多PRACH传输配置。
  7. 根据权利要求6所述的方法,其特征在于,所述CFRA的触发方式包括以下至少一种:
    物理下行控制信道PDCCH触发;
    切换触发;
    波束失败恢复触发;
    PScell添加或改变触发。
  8. 根据权利要求7所述的方法,其特征在于,所述发送多PRACH传输配置至所述终端设备,包括:
    响应于所述PDCCH触发的CFRA,发送PDCCH顺序PDCCH order至所述终端设备,其中,所述PDCCH order携带有所述第一多PRACH传输配置。
  9. 根据权利要求7所述的方法,其特征在于,所述发送多PRACH传输配置至所述终端设备,包括:
    响应于所述PScell添加或改变触发的CFRA,发送专用随机接入配置RACH-ConfigDedicated至所述终端设备,其中,所述RACH-ConfigDedicated的CFRA配置携带有所述第一多PRACH传输配置。
  10. 根据权利要求7所述的方法,其特征在于,所述发送多PRACH传输配置至所述终端设备,包括:
    响应于所述切换触发的CFRA,发送RACH-ConfigDedicated至所述终端设备,其中,所述RACH-ConfigDedicated的CFRA配置携带有所述第一多PRACH传输配置。
  11. 根据权利要求7所述的方法,其特征在于,所述发送多PRACH传输配置至所述终端设备,包括:
    响应于所述波束失败恢复触发的CFRA,发送波束失败恢复配置BeamFailureRecoveryConfig至所述终端设备,其中,所述BeamFailureRecoveryConfig携带有所述第一多PRACH传输配置。
  12. 根据权利要求7所述的方法,其特征在于,所述发送多PRACH传输配置至所述终端设备,包括:
    通过广播信令发送或者通过专用信令发送所述第二多PRACH传输配置至所述终端设备。
  13. 根据权利要求12所述的方法,其特征在于,所述广播信令包括系统消息块1SIB1。
  14. 根据权利要求12所述的方法,其特征在于,所述专用信令包括以下至少一种:
    无线资源控制RRC重配置RRCReconfiguration消息;
    RRC恢复RRCResume消息;
    RRC释放RRCRelease消息;
    RRC建立RRCSetup消息。
  15. 根据权利要求12所述的方法,其特征在于,所述发送多PRACH传输配置至所述终端设备,包括:
    发送公共随机接入信道RACH配置至所述终端设备,其中,所述RACH配置携带有所述第二多PRACH传输配置。
  16. 根据权利要求15所述的方法,其特征在于,所述RACH配置包括在各个部分带宽BWP上单独配置的公共RACH资源。
  17. 根据权利要求16所述的方法,其特征在于,所述发送RACH配置至所述终端设备,包括:
    发送SIB1的初始BWP配置中的第一随机接入公共配置RACH-ConfigCommon至所述终端设备,其中,所述第一RACH-ConfigCommon携带有RACH配置。
  18. 根据权利要求15所述的方法,其特征在于,所述发送RACH配置至所述终端设备,包括:
    发送RRCReconfiguration消息的BWP配置的第二RACH-ConfigCommon至所述终端设备,其中,所述第二RACH-ConfigCommon携带有RACH配置。
  19. 根据权利要求12所述的方法,其特征在于,所述发送多PRACH传输配置至所述终端设备,包括:
    发送专用RACH配置至所述终端设备,其中,所述专用RACH配置携带有所述第二多PRACH传输配置。
  20. 根据权利要求19所述的方法,其特征在于,所述发送专用RACH配置至所述终端设备,包括:
    响应于波束失败恢复触发的CBRA,发送波束失败恢复配置BeamFailureRecoveryConfig至所述终端设备,其中,所述BeamFailureRecoveryConfig携带有所述专用RACH配置中所配置的所述第二多PRACH传输配置。
  21. 根据权利要求20所述的方法,其特征在于,所述发送多PRACH传输配置至所述终端设备,包括:
    响应于PScell添加或改变触发的CBRA,发送专用随机接入配置RACH-ConfigDedicated至所述终端设备,其中,所述RACH-ConfigDedicated携带有所述专用RACH配置中所配置的所述第二多PRACH传输配置。
  22. 根据权利要求20所述的方法,其特征在于,所述发送多PRACH传输配置至所述终端设备,包括:
    响应于切换触发的CBRA,发送RACH-ConfigDedicated至所述终端设备,其中,所述RACH-ConfigDedicated携带有所述专用RACH配置中所配置的所述第二多PRACH传输配置。
  23. 根据权利要求15所述的方法,其特征在于,所述发送多PRACH传输配置至所述终端设备,包括:
    发送特征组合feature combination的RACH配置至所述终端设备,其中,所述feature combination的RACH配置携带有所述第二多PRACH传输配置。
  24. 根据权利要求23所述的方法,其特征在于,所述feature combination包括覆盖增强特征Coverage Enhancement feature,其中,所述Coverage Enhancement feature用于指示支持对所述第二多PRACH传输的Coverage Enhancement feature。
  25. 根据权利要求1所述的方法,其特征在于,所述方法还包括:
    接收所述终端设备发送的PRACH能力信息,其中,所述PRACH能力信息用于指示所述终端设备支持多PRACH传输的能力信息。
  26. 根据权利要求25所述的方法,其特征在于,所述接收所述终端设备发送的PRACH能力信息,包括:
    接收所述终端设备发送的终端能力信息UECapabilityInformation,其中,所述UECapabilityInformation携带有所述PRACH能力信息。
  27. 根据权利要求26所述的方法,其特征在于,所述PRACH能力信息包括以下至少一种:
    支持所述多PRACH传输在相同波束对应的PRACH资源上发送的PRACH能力信息;
    支持所述多PRACH传输在不同波束对应的PRACH资源上发送的PRACH能力信息;
    支持跨SSB的多PRACH传输的PRACH能力信息;
    支持跨SSB gap的多PRACH传输的PRACH能力信息。
  28. 根据权利要求26所述的方法,其特征在于,在所述接收所述终端设备发送的PRACH能力信息之后,还包括:
    基于所述PRACH能力信息,通过专用信令为所述终端设备配置所述多PRACH传输模式配置。
  29. 一种支持跨SSB的多PRACH传输配置方法,其特征在于,所述方法由终端设备执行,所述方法包括:
    通过SSB使用模式在PRACH资源之上传输多个PRACH至网络侧设备。
  30. 根据权利要求29所述的方法,其特征在于,所述通过SSB使用模式在PRACH资源之上传输多个PRACH至网络侧设备,包括以下至少一种:
    在第一多PRACH传输模式配置对应的PRACH资源之上传输所述多个PRACH至所述网络侧设备,其中,所 述第一多PRACH传输模式配置为多PRACH传输所使用的PRACH资源对应的SSB相同;
    在第二多PRACH传输模式配置对应的PRACH资源之上传输所述多个PRACH至所述网络侧设备,其中,所述第二多PRACH传输模式配置为所述多个PRACH传输采用的时域随机接入机会RO资源属于同一个SSB或不同的SSB。
  31. 根据权利要求30所述的方法,其特征在于,所述在第一多PRACH传输模式配置对应的PRACH资源之上传输所述多个PRACH至所述网络侧设备,包括以下至少一种:
    根据所述第一多PRACH传输模式配置,通过允许跨SSB的第一多PRACH传输对应的PRACH资源之上传输所述多个PRACH至所述网络侧设备;
    根据所述第一多PRACH传输模式配置,通过不允许跨SSB的第一多PRACH传输对应的PRACH资源之上传输所述多个PRACH至所述网络侧设备。
  32. 根据权利要求30所述的方法,其特征在于,所述在第二多PRACH传输模式配置对应的PRACH资源之上传输所述多个PRACH至所述网络侧设备,包括以下至少一种:
    根据所述第二多PRACH传输模式配置,在允许PRACH传输间有SSB间隙SSB gap的第二多PRACH传输对应的PRACH资源之上传输所述多个PRACH至所述网络侧设备;
    根据所述第二多PRACH传输模式配置,在不允许所述PRACH传输间有所述SSB gap的第二多PRACH传输对应的PRACH资源之上传输所述多个PRACH至所述网络侧设备。
  33. 根据权利要求29所述的方法,其特征在于,所述方法还包括:
    发送PRACH能力信息至所述网络侧设备,其中,所述PRACH能力信息用于指示所述终端设备支持多PRACH传输的能力信息。
  34. 根据权利要求33所述的方法,其特征在于,所述发送PRACH能力信息至所述网络侧设备,包括:
    发送UECapabilityInformation至所述网络侧设备,其中,所述UECapabilityInformation携带有所述PRACH能力信息。
  35. 根据权利要求33所述的方法,其特征在于,所述PRACH能力信息包括以下至少一种:
    支持所述多PRACH传输在相同波束对应的PRACH资源上发送的PRACH能力信息;
    支持所述多PRACH传输在不同波束对应的PRACH资源上发送的PRACH能力信息;
    支持跨SSB的多PRACH传输的PRACH能力信息;
    支持跨SSB gap的多PRACH传输的PRACH能力信息。
  36. 根据权利要求29所述的方法,其特征在于,在所述通过SSB使用模式在PRACH资源之上传输多个PRACH至网络侧设备之前,还包括:
    接收所述网络侧设备发送的多PRACH传输配置,其中,所述多PRACH传输配置用于指示所述终端设备根据所述多PRACH传输配置发送多个PRACH传输所使用的PRACH资源对应的SSB使用模式。
  37. 根据权利要求36所述的方法,其特征在于,所述接收所述网络侧设备发送的多PRACH传输配置,包括以下至少一种:
    接收所述网络侧设备发送的多PRACH传输配置,其中,所述多PRACH传输配置包括基于CFRA的第一多PRACH传输配置和基于CBRA的第二多PRACH传输配置。
  38. 一种支持跨SSB的多PRACH传输配置装置,其特征在于,所述装置包括:
    发送模块,用于发送多PRACH传输配置至终端设备,其中,所述多PRACH传输配置用于指示所述终端设备根据所述多PRACH传输配置发送多个PRACH传输所使用的PRACH资源对应的SSB使用模式;
    接收模块,用于接收所述终端设备通过所述SSB使用模式在所述PRACH资源之上传输的多个PRACH。
  39. 一种支持跨SSB的多PRACH传输配置装置,其特征在于,所述装置包括:
    传输模块,用于通过SSB使用模式在PRACH资源之上传输多个PRACH至网络侧设备。
  40. 一种网络侧设备,其特征在于,所述装置包括处理器和存储器,其中,所述存储器中存储有计算机程序,所述处理器执行所述存储器中存储的计算机程序,以使所述装置执行如权利要求1至28中任一项所述的方法。
  41. 一种终端设备,其特征在于,所述装置包括处理器和存储器,其中,所述存储器中存储有计算机程序,所述处理器执行所述存储器中存储的计算机程序,以使所述装置执行如权利要求29至37中任一项所述的方法。
  42. 一种通信装置,其特征在于,包括:处理器和接口电路,其中
    所述接口电路,用于接收代码指令并传输至所述处理器;
    所述处理器,用于运行所述代码指令以执行如权利要求1至28中任一项所述的方法。
  43. 一种通信装置,其特征在于,包括:处理器和接口电路,其中
    所述接口电路,用于接收代码指令并传输至所述处理器;
    所述处理器,用于运行所述代码指令以执行如权利要求29至37中任一项所述的方法。
  44. 一种计算机可读存储介质,其特征在于,用于存储有指令,当所述指令被执行时,使如权利要求1至28中任一项所述的方法被实现。
  45. 一种计算机可读存储介质,其特征在于,用于存储有指令,当所述指令被执行时,使如权利要求29至37中任一项所述的方法被实现。
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