[go: up one dir, main page]

WO2020168880A1 - Procédé et appareil de communication d'accès aléatoire, dispositifs apparentés, et support de stockage - Google Patents

Procédé et appareil de communication d'accès aléatoire, dispositifs apparentés, et support de stockage Download PDF

Info

Publication number
WO2020168880A1
WO2020168880A1 PCT/CN2020/072870 CN2020072870W WO2020168880A1 WO 2020168880 A1 WO2020168880 A1 WO 2020168880A1 CN 2020072870 W CN2020072870 W CN 2020072870W WO 2020168880 A1 WO2020168880 A1 WO 2020168880A1
Authority
WO
WIPO (PCT)
Prior art keywords
random access
message
msg
terminal
indication information
Prior art date
Legal status (The legal status 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 status listed.)
Ceased
Application number
PCT/CN2020/072870
Other languages
English (en)
Chinese (zh)
Inventor
陈宁宇
胡南
李男
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
China Mobile Communications Group Co Ltd
Research Institute of China Mobile Communication Co Ltd
Original Assignee
China Mobile Communications Group Co Ltd
Research Institute of China Mobile Communication Co Ltd
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 China Mobile Communications Group Co Ltd, Research Institute of China Mobile Communication Co Ltd filed Critical China Mobile Communications Group Co Ltd
Publication of WO2020168880A1 publication Critical patent/WO2020168880A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Images

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W74/00—Wireless channel access
    • H04W74/08—Non-scheduled access, e.g. ALOHA
    • H04W74/0833—Random access procedures, e.g. with 4-step access
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W74/00—Wireless channel access
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W74/00—Wireless channel access
    • H04W74/002—Transmission of channel access control information
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W74/00—Wireless channel access
    • H04W74/08—Non-scheduled access, e.g. ALOHA

Definitions

  • This application relates to the field of wireless communication technology, and in particular to a random access communication method, device, network equipment, terminal and storage medium.
  • embodiments of the present application provide a random access communication method, device, network equipment, terminal, and storage medium.
  • the first message includes a message (MSG, Message) A;
  • An embodiment of the present application also provides a random access communication method, which is applied to a network device, and the method includes:
  • the first message includes MSG 1;
  • the indication information is used to indicate that the first message includes MSG A, and the sending of the second message to the terminal includes:
  • the random access resource is compared with the set random access resource group to obtain the indication information.
  • the method further includes:
  • the first message is used for the network device to obtain indication information; wherein the indication information is used to indicate at least one of the following:
  • the indication information is used to indicate the use of a four-step random access method
  • the second receiving unit is configured to:
  • the first message includes MSG A;
  • the device further includes:
  • the second sending unit is configured to send a second message to the terminal; where the second message includes MSG B or MSG 2 corresponding to the first message of random access.
  • the indication information is used to indicate that the first message includes MSG A
  • the second sending unit is configured to:
  • the indication information is used to indicate the use of a two-step random access method
  • the second sending unit is configured to:
  • the indication information is used to indicate the use of a four-step random access method
  • the second sending unit is configured to:
  • the processing unit is configured to:
  • the random access resource is compared with the set random access resource group to obtain the indication information.
  • the device further includes:
  • the third sending unit is configured to send configuration information to the terminal; wherein the configuration information includes at least two scrambling sequence identifiers;
  • the processing unit is configured to:
  • An embodiment of the present application also provides a terminal, including a first processor, and further including:
  • the first message is used for the network device to obtain indication information; wherein the indication information is used to indicate at least one of the following:
  • the first message includes MSG A;
  • the first message includes MSG 1;
  • the first communication interface is further configured to receive a second message sent by the network device; wherein, the second message includes MSG B or MSG 2 corresponding to the first message of random access .
  • the indication information is used to indicate that the first message includes MSG A
  • the first communication interface is configured as:
  • the indication information is used to indicate that the first message includes MSG 1, and the first communication interface is configured as:
  • the indication information is used to indicate the use of a two-step random access method
  • the first communication interface is configured as:
  • the indication information is used to indicate the use of a four-step random access method
  • the first communication interface is configured as:
  • the embodiment of the present application also provides a network device, including:
  • the second communication interface is configured to receive the first random access message sent by the terminal
  • the second processor is configured to obtain indication information through the first message; wherein the indication information is used to indicate at least one of the following:
  • the first message includes MSG A;
  • the first message includes MSG 1;
  • the indication information is used to indicate that the first message includes MSG A
  • the second communication interface is configured as:
  • the indication information is used to indicate that the first message includes MSG 1, and the second communication interface is configured as:
  • the indication information is used to indicate the use of a two-step random access method
  • the second communication interface is configured as:
  • the indication information is used to indicate the use of a four-step random access method
  • the second communication interface is configured as:
  • the second processor is configured to:
  • the random access resource is compared with the set random access resource group to obtain the indication information.
  • the second processor is configured to:
  • the second communication interface is further configured to send configuration information to the terminal; wherein the configuration information includes at least two scrambling sequence identifiers;
  • the second processor is configured to:
  • An embodiment of the present application also provides a terminal, including: a first processor and a first memory configured to store a computer program that can run on the first processor;
  • the first processor is configured to execute the steps of any random access communication method on the terminal side when running the computer program.
  • An embodiment of the present application also provides a network device, including: a second processor and a second memory configured to store a computer program that can run on the second processor;
  • the embodiment of the present application also provides a storage medium on which a computer program is stored.
  • the computer program is executed by a processor, the steps of any random access communication method on the terminal side are realized, or any of the above-mentioned network equipment side Steps of a random access communication method.
  • the random access communication method, apparatus, network equipment, terminal, and storage medium provided in the embodiments of the present application.
  • the network equipment receives the first message of random access sent by the terminal, and then obtains the indication information through the first message.
  • the indication information is used to indicate at least one of the following: the first message includes MSG A; the first message includes MSG 1; a two-step random access method is used; and a four-step random access method is used.
  • the network device can quickly identify whether the random access method initiated by the terminal is a two-step random access method or a four-step random access method according to the first random access message.
  • the access mode can greatly improve the efficiency of the terminal's independent and flexible selection of the random access mode, and enhance the user experience.
  • FIG. 8 is a schematic structural diagram of a random access communication device provided on a terminal according to an embodiment of the application.
  • Random access methods include two-step random access methods and four-step random access methods.
  • the random access initiated by the terminal is a two-step random access method, see Figure 1.
  • Figure 1 is a schematic diagram of the two-step random access process in related technologies. The overall random access process corresponding to the two-step random access method is It is divided into two steps.
  • the terminal first initiates a random access request to the network device.
  • the request carries MSG A.
  • MSG A can be a combination of MSG 1 and MSG 3, that is, the terminal combines MSG 1 and MSG 3 together.
  • FIG. 3 is a schematic diagram of the implementation process of a random access communication method on the terminal side according to an embodiment of the application.
  • the random access communication method can be applied to a terminal, such as a smart phone.
  • this application The implementation process of the random access communication method provided in the embodiment may include the following steps:
  • Step S301 Send a first random access message to the network device.
  • Step S302 Receive a second message sent by the network device; where the second message includes MSG B or MSG 2 corresponding to the first message of random access.
  • PUCCH Physical Uplink Control Channel
  • Uplink Control Information (UCI, Uplink Control Information) of the physical layer.
  • FIG. 4 is a schematic diagram of the implementation process of a random access communication method on the network device side according to an embodiment of the application.
  • the random access communication method can be applied to network devices, such as base stations.
  • the implementation process of the random access communication method provided in the application embodiment may include the following steps:
  • Step S401 Receive the first random access message sent by the terminal.
  • the first message includes MSG A;
  • the first message includes MSG 1;
  • the indication information when the indication information is used to indicate that the first message contains MSG A, it can be determined that the random access mode initiated by the terminal is a two-step random access mode; when the indication information is used to indicate all When the first message contains MSG 1, it can be determined that the random access mode initiated by the terminal is a four-step random access mode.
  • the indication information can be used to indicate the random access mode used by the terminal, and also to indicate the content contained in the first message, that is, to indicate that the first message contains MSG A or contains MSG 1.
  • the indication information is used to indicate that the first message contains MSG 1, that is, the content of the first message is a preamble; the indication information is used to indicate that the first message contains MSG A, that is, the content of the first message is a preamble Code and terminal identification (ID), or preamble, terminal ID and data packet.
  • ID preamble Code and terminal identification
  • the network device demodulates the information in the first message according to the instruction information, can learn the specific content of the first message, and then determine the random access mode adopted by the terminal.
  • indication information can be added to the first message in advance as needed, for example, indication information 1 is added to the first message, that is, the first message includes the preamble, indication information 1, and terminal ID, and the indication information 1 is used
  • the random access mode used by the instructing terminal is a two-step random access mode; another example is to add indication information 2 to the first message, that is, the first message includes the preamble, indication information 2, terminal ID, and data packet ,
  • the indication information 2 is used to indicate that the random access mode adopted by the terminal is a two-step random access mode; for another example, the indication information 3 is added to the first message, that is, the first message includes the preamble and indication information 3 ,
  • the indication information 3 is used to indicate that the random access method adopted by the terminal is a four-step random access method, or, in actual application, when the terminal adopts a four-step random access method, only the preamble is sent to the network device, but not Send instructions.
  • the indication information is used to indicate that the first message includes MSG A, and the sending of the second message to the terminal includes:
  • the indication information is used to indicate that the first message includes MSG 1, and the sending of the second message to the terminal includes:
  • the indication information is used to indicate the use of a two-step random access method, and the sending of the second message to the terminal includes:
  • the indication information is used to indicate the use of a four-step random access method, and the sending of the second message to the terminal includes:
  • the random access mode indicated by the indication information is a two-step random access mode
  • the message that is, the second message containing MSG B
  • the random access mode indicated by the indication information is a four-step random access mode
  • the second message corresponding to the random access that is, the second message containing MSG 2.
  • MSG B may further include the terminal ID, or include the terminal ID and the data packet.
  • the obtaining indication information through the first message includes:
  • the random access resource is compared with the set random access resource group to obtain the indication information.
  • the network device may allocate at least two sets of random access resources to the terminal as required.
  • at least two sets of random access resources may be configured on the network device in advance.
  • the random access resource groups can be distinguished in one of the following ways:
  • the time-frequency resource is continuous in the time domain and/or frequency domain, or the time-frequency resource is non-continuous in the time domain and/or frequency domain.
  • the network equipment can divide the random access resources into two or more groups according to the preamble; two or more groups are used as an example for illustration, where one group of random access resources can be used to indicate the location of the terminal.
  • the random access method used is a four-step random access method, and another group of random access resources is used to indicate that the random access method used by the terminal is a two-step random access method.
  • the network equipment can also divide the random access resources into two or more groups according to the time-frequency resources, and then differentiate the random access methods used by the terminal into two groups through different groups.
  • the network equipment divides the random access resources into three groups according to the time-frequency resources: the first group of random access resources corresponds to the four-step random access method; the second group of random access resources corresponds to Two-step random access method, that is, the two-step random access method corresponding to the first message including the preamble and terminal ID; the third group of random access resources corresponds to the two-step random access method, that is, the corresponding first message includes the preamble , Two-step random access method of terminal ID and data packet.
  • the network device detects that the random access resource used by the terminal to send the first message is random access resource A, and compares the random access resource A with the random access resource group set above, if it detects If the random access resource A belongs to the first group of random access resources, it can be determined that the random access mode used by the terminal is a four-step random access mode; if it is detected that the random access resource A belongs to the second group of random access resources Access resources, it can be judged that the random access method used by the terminal is a two-step random access method. Specifically, it can be judged that the two-step random access method is the first message including the preamble and the terminal ID.
  • One-step random access method if it is detected that the random access resource A belongs to the third group of random access resources, it can be determined that the random access method adopted by the terminal is a two-step random access method, and it can be specifically determined
  • the two-step random access method is a two-step random access method in which the first message includes a preamble, a terminal ID, and a data packet.
  • the method may further include:
  • the type of the second message returned to the terminal is determined.
  • the second message is used to characterize the random access response message returned to the terminal during the random access process performed by the network device.
  • the comparison result indicates that the random access resource used by the terminal when sending the first message belongs to the first group of random access resources
  • Access the corresponding second message that is, the second message containing MSG 2
  • the comparison result indicates that the random access resource used by the terminal when sending the first message belongs to the second group of random access resources
  • the comparison result indicates the random access used by the terminal when sending the first message
  • the incoming resource belongs to the third group of random access resources, it can be determined that what the network device returns to the terminal is a second message containing MSG B.
  • the obtaining indication information through the first message includes:
  • the method may further include:
  • the configuration information is sent to the terminal; wherein the configuration information includes the identifiers of at least two scrambling sequences.
  • the obtaining the indication information according to the determined identifier of the scrambling sequence includes:
  • the network device may divide the configuration information into at least two scrambling sequence identifiers as required, which is not further limited in the embodiment of the present application.
  • the configuration information includes three scrambling sequence identifiers, which are: the first scrambling sequence identifier, corresponding to the four-step random access method; the second scrambling sequence identifier, corresponding to the two-step random access method, That is, the first message corresponds to the two-step random access method including the preamble and the terminal ID; the third scrambling sequence identifier corresponds to the two-step random access method, that is, the first message includes the two steps of the preamble, terminal ID, and data packet. Step random access method.
  • each scrambling sequence may correspondingly include one or more scrambling sequences, which is not specifically limited here.
  • the first scrambling sequence identifier includes scrambling sequence 1, scrambling sequence 2, and scrambling sequence 3
  • the second scrambling sequence identifier includes scrambling sequence 4 and scrambling sequence 5
  • the third scrambling sequence identifier The correspondence includes scrambling sequence 6, scrambling sequence 7, scrambling sequence 8, and scrambling sequence 9.
  • the network device judges the random access used by the terminal by using the identifier of the scrambling sequence that demodulates the preamble and the correspondence between the identifier of the scrambling sequence set in advance and the random access mode.
  • the method is a two-step random access method or a four-step random access method.
  • the terminal will use the scrambling sequence in the first scrambling sequence identifier to scramble the preamble, such as the first scrambling
  • the scrambling sequence 2 in the sequence identifier is used to scramble the preamble.
  • the network device when the network device receives the first random access message sent by the terminal, it parses the first message to obtain the preamble, and determines that the scrambling sequence 2 that demodulates the preamble corresponds to the first scrambling sequence identifier, And the first scrambling sequence identifier has a corresponding relationship with the four-step random access mode, and the network device can quickly determine that the random access mode adopted by the terminal is the four-step random access mode based on the scrambling sequence identifier.
  • the method may further include:
  • the instruction information determine the type of the second message fed back to the terminal; wherein the second message is used to characterize the random access response message returned to the terminal during the random access process performed by the network device ;as well as,
  • the random access communication method provided in the embodiment of this application assists the network device in identifying whether the terminal uses the two-step random access method or the four-step random access method through the first message when the terminal randomly accesses the network device. Improve the efficiency of the terminal's independent and flexible selection of the random access mode, reduce the impact of the terminal's random access performance on the user experience, and improve the user experience.
  • FIG. 5 is a schematic diagram of the implementation process of another random access communication method on the network device side according to an embodiment of the application.
  • the random access communication method can be applied to network devices, such as base stations, as shown in FIG. 5.
  • the specific implementation process of the random access communication method provided in the embodiment of the present application may include the following steps:
  • Step S501 Receive the first random access message sent by the terminal.
  • the first message is used to characterize the first message of random access to the network device during the random access process performed by the terminal.
  • Step S503 Compare the random access resource with the set random access resource group to obtain a comparison result.
  • Step S504 Obtain the indication information according to the comparison result.
  • the random access resource groups can be distinguished in one of the following ways:
  • the time-frequency resource is continuous in the time domain and/or frequency domain, or the time-frequency resource is non-continuous in the time domain and/or frequency domain.
  • network equipment can divide random access resources into two or more groups according to the preamble; it can also divide random access resources into two or more groups according to time-frequency resources, and then divide them into two or more groups according to different groups.
  • the random access method adopted by the terminal is distinguished as a two-step random access method or a four-step random access method.
  • the network equipment divides the random access resources into three groups according to the time-frequency resources: the first group of random access resources corresponds to the four-step random access method; the second group of random access resources corresponds to Two-step random access method, that is, the two-step random access method corresponding to the first message including the preamble and terminal ID; the third group of random access resources corresponds to the two-step random access method, that is, the corresponding first message includes the preamble , Two-step random access method of terminal ID and data packet.
  • the network device detects that the random access resource used by the terminal to send the first message is random access resource A, and compares the random access resource A with the random access resource group set above, if it detects If the random access resource A belongs to the first group of random access resources, it can be determined that the random access mode used by the terminal is a four-step random access mode; if it is detected that the random access resource A belongs to the second group of random access resources Enter the resources, it can be judged that the random access method adopted by the terminal is a two-step random access method, specifically, it can be judged that the two-step random access method is a two-step random access method in which the first message includes a preamble and a terminal ID.
  • Random access method if it is detected that the random access resource A belongs to the third group of random access resources, it can be determined that the random access method adopted by the terminal is a two-step random access method, and specifically it can be determined
  • the two-step random access method is a two-step random access method in which the first message includes the preamble, terminal ID, and data packet.
  • the method may further include:
  • the type of the second message returned to the terminal is determined.
  • the second message is used to characterize the random access response message returned to the terminal during the random access process performed by the network device.
  • the random access communication method provided in the embodiments of this application assists the network device in identifying whether the terminal adopts a two-step random access method or whether the random access resource used when the terminal randomly accesses the first message of the network device
  • the four-step random access method greatly improves the efficiency of the terminal's independent and flexible selection of the random access method, reduces the impact of the terminal's random access performance on the user experience, and improves the user experience.
  • FIG. 6 is a schematic diagram of the implementation process of another random access communication method on the network device side according to an embodiment of the application.
  • the random access communication method can be applied to network devices, such as base stations, as shown in FIG. 6,
  • the specific implementation process of the random access communication method provided in the embodiment of the present application may include the following steps:
  • Step S601 Receive the first random access message sent by the terminal.
  • Step S602 Obtain a preamble from the first message.
  • Step S603 Determine the identifier of the scrambling sequence corresponding to the preamble.
  • each scrambling sequence may include one or more scrambling sequences, which is not specifically limited here.
  • the terminal will use the scrambling sequence in the second scrambling sequence identifier to scramble the preamble, such as the second scrambling
  • the scrambling sequence 4 in the sequence identifier is used to scramble the preamble.
  • the network device when the network device receives the first random access message sent by the terminal, it parses the first message to obtain the preamble, and determines that the scrambling sequence 4 that demodulates the preamble corresponds to the second scrambling sequence identifier, And the second scrambling sequence identifier has a corresponding relationship with the two-step random access method, and the network device can quickly determine that the random access method adopted by the terminal is the two-step random access method based on the scrambling sequence identifier.
  • the first message is used to characterize the first message of random access to the network device during the random access process performed by the terminal.
  • the first message is used for the network device to obtain indication information; wherein the indication information is used to indicate at least one of the following:
  • the apparatus further includes: a second receiving unit 82 configured to receive a second message sent by the network device; wherein, the second message includes a first message corresponding to the random access MSG B or MSG 2.
  • the indication information is used to indicate that the first message includes MSG 1, and the second receiving unit 82 is configured to:
  • the embodiment of the present application also provides a random access communication device, which is set on a network device, such as a base station.
  • FIG. 9 provides an embodiment of this application.
  • a schematic structural diagram of a random access communication device set on a network device, as shown in FIG. 9, the device includes:
  • the processing unit 92 is configured to:
  • the processing unit 92 is configured to search for a random access method corresponding to the determined identifier of the scrambling sequence according to the corresponding relationship between the identifier of the scrambling sequence and the random access method set;
  • the indication information is used to indicate the use of a two-step random access mode
  • the second sending unit 93 is configured to:
  • the first processor 112 is connected to the first communication interface 111 to implement information interaction with network devices, and is configured to execute the random access communication provided by one or more technical solutions on the terminal side when running a computer program method.
  • the computer program is stored in the first memory 113.
  • the first communication interface 111 is configured to send a first message of random access to a network device
  • the indication information is used to indicate the use of a two-step random access method
  • the first communication interface 111 is configured to:
  • the indication information is used to indicate the use of a four-step random access method
  • the first communication interface 111 is configured to:
  • bus system 114 is configured to implement connection and communication between these components.
  • bus system 114 also includes a power bus, a control bus, and a status signal bus.
  • various buses are marked as the bus system 114 in FIG. 11.
  • the first memory 113 in the embodiment of the present application is configured to store various types of data to support the operation of the terminal 110. Examples of such data include: any computer program used to operate on the terminal 110.
  • the steps of the method disclosed in the embodiments of the present application can be directly embodied as being executed and completed by a hardware decoding processor, or executed by a combination of hardware and software modules in the decoding processor.
  • the software module may be located in a storage medium, and the storage medium is located on the first memory 113.
  • the first processor 112 reads information in the first memory 113, and completes the steps of the foregoing method in combination with its hardware.
  • the embodiments of the present application also provide a network device.
  • the second communication interface 121 can exchange information with the terminal
  • the second processor 122 is connected to the second communication interface 121 to implement information interaction with the terminal, and is configured to execute the random access communication provided by one or more technical solutions on the network device side when the computer program is run method.
  • the computer program is stored in the second memory 123.
  • the second communication interface 121 is configured to receive a first random access message sent by a terminal
  • the second processor 122 is configured to obtain indication information through the first message; wherein the indication information is used to indicate at least one of the following:
  • the first message includes MSG A;
  • the first message includes MSG 1;
  • the second communication interface 121 is further configured to send a second message to the terminal; wherein, the second message includes MSG B or MSG corresponding to the first message of random access 2.
  • the indication information is used to indicate that the first message includes MSG A
  • the second communication interface 121 is configured as:
  • the indication information is used to indicate that the first message includes MSG 1, and the second communication interface 121 is configured as:
  • the indication information is used to indicate the use of a two-step random access method
  • the second communication interface 121 is configured to:
  • the indication information is used to indicate the use of a four-step random access method
  • the second communication interface 121 is configured as:
  • the second processor 122 is configured to:
  • the random access resource is compared with the set random access resource group to obtain the indication information.
  • the second processor 122 is configured to:
  • the second communication interface 121 is further configured to send configuration information to the terminal; wherein the configuration information includes at least two scrambling sequence identifiers;
  • the second processor 122 is configured to:
  • bus system 124 is configured to implement connection and communication between these components.
  • bus system 124 also includes a power bus, a control bus, and a status signal bus.
  • various buses are marked as the bus system 124 in FIG. 12.
  • the second memory 123 in the embodiment of the present application is configured to store various types of data to support the operation of the network device 120. Examples of such data include: any computer program used to operate on the network device 120.
  • the method disclosed in the foregoing embodiment of the present application may be applied to the second processor 122 or implemented by the second processor 122.
  • the second processor 122 may be an integrated circuit chip with signal processing capability. In the implementation process, the steps of the foregoing method can be completed by an integrated logic circuit of hardware in the second processor 122 or instructions in the form of software.
  • the aforementioned second processor 122 may be a general-purpose processor, a DSP, or other programmable logic devices, discrete gate or transistor logic devices, discrete hardware components, or the like.
  • the second processor 122 may implement or execute the methods, steps, and logical block diagrams disclosed in the embodiments of the present application.
  • the general-purpose processor may be a microprocessor or any conventional processor.
  • the steps of the method disclosed in the embodiments of the present application can be directly embodied as being executed and completed by a hardware decoding processor, or executed by a combination of hardware and software modules in the decoding processor.
  • the software module may be located in a storage medium, and the storage medium is located on the second memory 123.
  • the second processor 122 reads the information in the second memory 123 and completes the steps of the foregoing method in combination with its hardware.
  • the network device 120 may be implemented by one or more ASICs, DSPs, PLDs, CPLDs, FPGAs, general-purpose processors, controllers, MCUs, Microprocessors, or other electronic components for performing the aforementioned methods.
  • the memory (including the first memory 113 and the second memory 123) of the embodiment of the present application may be a volatile memory or a non-volatile memory, and may also include both volatile and non-volatile memory.
  • the non-volatile memory can be a read only memory (ROM, Read Only Memory), a programmable read only memory (PROM, Programmable Read-Only Memory), an erasable programmable read only memory (EPROM, Erasable Programmable Read- Only Memory, Electrically Erasable Programmable Read-Only Memory (EEPROM, Electrically Erasable Programmable Read-Only Memory), magnetic random access memory (FRAM, ferromagnetic random access memory), flash memory (Flash Memory), magnetic surface memory , CD-ROM, or CD-ROM (Compact Disc Read-Only Memory);
  • the magnetic surface memory can be a disk memory or a tape memory.
  • the volatile memory may be random access memory (RAM, Random Access Memory), which is used as an external cache.
  • RAM random access memory
  • SRAM Static Random Access Memory
  • SSRAM synchronous static random access memory
  • DRAM Dynamic Random Access Memory
  • SDRAM Synchronous Dynamic Random Access Memory
  • DDRSDRAM Double Data Rate Synchronous Dynamic Random Access Memory
  • ESDRAM Enhanced Synchronous Dynamic Random Access Memory
  • SLDRAM synchronous connection dynamic random access memory
  • DRRAM Direct Rambus Random Access
  • DRRAM Direct Rambus Random Access
  • the memories described in the embodiments of the present application are intended to include, but are not limited to, these and any other suitable types of memories.
  • FIG. 13 is a schematic structural diagram of a random access communication system provided by an embodiment of the application, as shown in FIG. As shown, the system includes: a terminal 110 and a network device 120; among them,
  • the terminal 110 is configured to send a first random access message to the network device 120;
  • the network device 120 is configured to receive a first random access message sent by the terminal 110; and after receiving the first message, obtain indication information through the first message.
  • the indication information is used to indicate at least one of the following:
  • the first message includes MSG A;
  • the first message includes MSG 1;
  • the first message is used to characterize the first message of random access to the network device 120 during the random access process performed by the terminal 110.
  • the embodiment of the present application also provides a storage medium, namely a computer storage medium, which may specifically be a computer-readable storage medium.
  • the storage medium may include a first memory 113 storing a computer program.
  • the program can be executed by the first processor 112 of the terminal 110 to complete the steps of the aforementioned random access communication method on the terminal side.
  • the storage medium may further include a second memory 123 storing a computer program.
  • the computer program may be executed by the second processor 122 of the network device 120 to complete the steps of the aforementioned random access communication method on the network device side.
  • the computer-readable storage medium may be a memory such as FRAM, ROM, PROM, EPROM, EEPROM, Flash Memory, magnetic surface memory, optical disk, or CD-ROM.

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

L'invention concerne un procédé et appareil de communication destinés à un accès aléatoire, un dispositif de réseau, un terminal, et un support de stockage. Ledit procédé comporte les étapes suivantes: un terminal envoie un premier message pour un accès aléatoire à un dispositif de réseau, le premier message étant utilisé par le dispositif de réseau pour obtenir des informations d'indication, les informations d'indication étant utilisées pour indiquer au moins une des informations suivantes: le premier message contient un message (MSG) A; le premier message contient un MSG 1; l'utilisation d'un mode d'accès aléatoire en deux étapes; et l'utilisation d'un mode d'accès aléatoire en quatre étapes.
PCT/CN2020/072870 2019-02-22 2020-01-17 Procédé et appareil de communication d'accès aléatoire, dispositifs apparentés, et support de stockage Ceased WO2020168880A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201910134289.9 2019-02-22
CN201910134289.9A CN111615208A (zh) 2019-02-22 2019-02-22 随机接入的通信方法、装置、相关设备及存储介质

Publications (1)

Publication Number Publication Date
WO2020168880A1 true WO2020168880A1 (fr) 2020-08-27

Family

ID=72143516

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2020/072870 Ceased WO2020168880A1 (fr) 2019-02-22 2020-01-17 Procédé et appareil de communication d'accès aléatoire, dispositifs apparentés, et support de stockage

Country Status (2)

Country Link
CN (1) CN111615208A (fr)
WO (1) WO2020168880A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20230328795A1 (en) * 2020-09-17 2023-10-12 Beijing Xiaomi Mobile Software Co., Ltd. Communication method and apparatus, network device, ue, and storage medium

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107734707A (zh) * 2016-08-11 2018-02-23 中兴通讯股份有限公司 上行接入的处理方法、装置及系统
CN108271275A (zh) * 2017-01-04 2018-07-10 电信科学技术研究院 一种竞争随机接入的方法和装置
WO2018131538A1 (fr) * 2017-01-10 2018-07-19 シャープ株式会社 Dispositif terminal, dispositif de station de base, procédé de communication, et circuit intégré

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109286942B (zh) * 2017-07-20 2021-12-14 中国电信股份有限公司 随机接入方法、系统、终端及计算机可读存储介质

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107734707A (zh) * 2016-08-11 2018-02-23 中兴通讯股份有限公司 上行接入的处理方法、装置及系统
CN108271275A (zh) * 2017-01-04 2018-07-10 电信科学技术研究院 一种竞争随机接入的方法和装置
WO2018131538A1 (fr) * 2017-01-10 2018-07-19 シャープ株式会社 Dispositif terminal, dispositif de station de base, procédé de communication, et circuit intégré

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
OPPO: "3-steps RACH procedure for NR-U", 3GPP DRAFT; R2-1816262, 3RD GENERATION PARTNERSHIP PROJECT (3GPP), 16 November 2018 (2018-11-16), Mobile Competence Centre ; 650, route des Lucioles ; F-06921 Sophia-Antipolis Cedex ; France, pages 1 - 3, XP051480241 *

Also Published As

Publication number Publication date
CN111615208A (zh) 2020-09-01

Similar Documents

Publication Publication Date Title
US20210377847A1 (en) Communication method, terminal device, and core network device
US20240171946A1 (en) Communication method and comunications apparatus
WO2018126801A1 (fr) Procédé et appareil d'envoi de données, procédé et appareil de réception de données
US20220286970A1 (en) Data sending method and apparatus, data receiving method and apparatus, first node, and second node
WO2019140629A1 (fr) Procédé de contrôle d'accès, dispositif, et support de stockage informatique
CN115245035B (zh) 随机接入方法、装置、终端、网络设备和存储介质
WO2019157956A1 (fr) Procédé d'indication de données pour liaison secondaire, et dispositif terminal
WO2021169684A1 (fr) Procédé et appareil de traitement d'informations, support de stockage, processeur, et appareil électronique
WO2018102966A1 (fr) Procédé d'accès aléatoire, dispositif de réseau et dispositif terminal
WO2019214452A1 (fr) Procédé de traitement basé sur bwp, dispositif, système, équipement associé et support de stockage
WO2020029933A1 (fr) Procédé de détermination d'un type de réseautage pris en charge par une cellule, et dispositif
WO2021228087A1 (fr) Procédé d'accès initial, terminal mobile et support de stockage lisible par ordinateur
CN112567873B (zh) 一种信息传输的方法、设备及计算机存储介质
WO2022116809A1 (fr) Procédé, appareil et système d'accès aléatoire
US11357058B2 (en) Method for transmitting random access preamble, and terminal device
CN112564751B (zh) 一种信道传输方法以及通信设备
CN113068274A (zh) 一种随机接入的方法、设备及计算机存储介质
EP4054224B1 (fr) Procédé et appareil reconnaissance de pseudo station de base, dispositif terminal et périphérique réseau
CN110708151B (zh) 一种载波聚合的方法及设备
CN111867019B (zh) 信息传输方法、装置、相关设备及存储介质
CN110519712B (zh) 信息处理方法及装置、网元及存储介质
WO2020168880A1 (fr) Procédé et appareil de communication d'accès aléatoire, dispositifs apparentés, et support de stockage
WO2020192387A1 (fr) Procédé de traitement de demande et appareil et système associés
US20230397265A1 (en) Relay connection establishment method, electronic device and storage medium
CN113950121A (zh) 一种上下文恢复方法及装置

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 20759395

Country of ref document: EP

Kind code of ref document: A1

NENP Non-entry into the national phase

Ref country code: DE

122 Ep: pct application non-entry in european phase

Ref document number: 20759395

Country of ref document: EP

Kind code of ref document: A1