WO2022152205A1 - Contention resolution method and apparatus, device, and storage medium - Google Patents

Contention resolution method and apparatus, device, and storage medium Download PDF

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Publication number
WO2022152205A1
WO2022152205A1 PCT/CN2022/071783 CN2022071783W WO2022152205A1 WO 2022152205 A1 WO2022152205 A1 WO 2022152205A1 CN 2022071783 W CN2022071783 W CN 2022071783W WO 2022152205 A1 WO2022152205 A1 WO 2022152205A1
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WO
WIPO (PCT)
Prior art keywords
terminal
contention resolution
rnti
pdsch
target
Prior art date
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PCT/CN2022/071783
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French (fr)
Chinese (zh)
Inventor
吴凯
鲍炜
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维沃移动通信有限公司
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Publication of WO2022152205A1 publication Critical patent/WO2022152205A1/en

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    • 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
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W74/00Wireless channel access
    • H04W74/08Non-scheduled access, e.g. ALOHA
    • 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
    • H04W74/0841Random access procedures, e.g. with 4-step access with collision treatment
    • H04W74/085Random access procedures, e.g. with 4-step access with collision treatment collision avoidance

Definitions

  • the present application belongs to the field of communication technologies, and specifically relates to a method, apparatus, device and storage medium for resolving competition.
  • different terminals randomly select the random access preamble preamble for transmission, so that different terminals may select the same preamble on the same resource to send, triggering the competitive random access process.
  • the network can only solve the PUSCH sent by one terminal on a message Message 3 Physical Uplink Shared Channel (PUSCH) scheduling resource, and the network will use the Message 4 Physical Downlink Shared Channel (Physical Downlink Shared Channel, PDSCH) ) contains the contention resolution identity (Identity, ID) and the common control channel service data unit (Common Control Channel service Data Unit, CCCH SDU) sent by the terminal in the Message 3 PUSCH match, then the terminal considers that the competition resolution is successful, and will The temporary cell radio network temporary identifier (Temporary Cell Radio Network Temporary Identifier, TC-RNTI) is used as the cell radio network temporary identifier (Cell Radio Network Temporary Identifier, C-RNTI) of the terminal. If there is no match, the contention resolution is considered unsuccessful. However, when this kind of contention solution is used for PUSCH repeated transmission, the terminal access delay may be increased.
  • TC-RNTI Temporary Cell Radio Network Temporary Identifier
  • the purpose of the embodiments of the present application is to provide a contention resolution method, apparatus, device, and storage medium, which can achieve successful contention resolution for at least one terminal at the same time, and reduce access delay.
  • a contention resolution method includes: a terminal determines that contention resolution is successful based on a first PDSCH sent by a network side; the first PDSCH includes: at least one terminal contention resolution ID, the at least one terminal The contention resolution ID includes the target terminal contention resolution ID of the terminal.
  • a contention resolution method includes: the network side sends a first PDSCH; the shown first PDSCH is used for the terminal to determine that the contention resolution is successful; the first PDSCH includes: at least one terminal contention resolution ID, The at least one terminal contention resolution ID includes a target terminal contention resolution ID of the terminal.
  • a contention resolution apparatus includes: a first determination module configured to determine success of contention resolution based on a first PDSCH sent by a network side; the first PDSCH includes: at least one terminal contention resolution ID , the at least one terminal contention resolution ID includes a target terminal contention resolution ID of the terminal.
  • a contention resolution apparatus in a fourth aspect, includes: a first sending module, configured to send a first PDSCH; the shown first PDSCH is used for a terminal to determine that the contention resolution is successful; the first PDSCH includes: at least one A terminal contention resolution ID, the at least one terminal contention resolution ID includes a target terminal contention resolution ID of the terminal.
  • a terminal device in a fifth aspect, includes a processor, a memory, and a program or instruction stored on the memory and executable on the processor, the program or instruction being executed by the processor When executed, the steps of the method as described in the first aspect are implemented.
  • a network side device in a sixth aspect, includes a processor, a memory, and a program or instruction stored on the memory and executable on the processor, the program or instruction being executed by the The processor implements the steps of the method as described in the second aspect when executed.
  • a readable storage medium is provided, and a program or an instruction is stored on the readable storage medium, and when the program or instruction is executed by a processor, the steps of the method described in the first aspect, or the The steps of the method of the second aspect.
  • a chip in an eighth aspect, includes a processor and a communication interface, the communication interface is coupled to the processor, and the processor is configured to run a device program or instruction to implement the first aspect method, or implementing the method as described in the second aspect.
  • the terminal determines that the contention resolution is successful by receiving the target terminal contention resolution ID in at least one terminal contention resolution ID sent by the network side; at least one terminal contention resolution ID can be implemented; At least one terminal corresponding to the ID determines that the contention is successfully resolved, so that the at least one terminal can successfully resolve the contention at the same time, thereby reducing the access delay.
  • FIG. 1 is a block diagram of a wireless communication system to which an embodiment of the present application can be applied;
  • FIG. 2 is one of the schematic flowcharts of the competition resolution method provided by the embodiment of the present application.
  • FIG. 3 is one of the schematic diagrams of the media access control layer sub-protocol data unit (Media Access Control Sub Protocol Data Unit, MAC sub PDU) format provided by an embodiment of the present application;
  • media access control layer sub-protocol data unit Media Access Control Sub Protocol Data Unit, MAC sub PDU
  • FIG. 5 is the third schematic diagram of the MAC sub PDU format provided by the embodiment of the present application.
  • FIG. 6 is the second schematic flowchart of the competition resolution method provided by the embodiment of the present application.
  • FIG. 7 is one of the schematic structural diagrams of the contention resolution apparatus provided by the embodiment of the present application.
  • FIG. 8 is a second schematic structural diagram of a contention resolution apparatus provided by an embodiment of the present application.
  • FIG. 9 is a schematic structural diagram of a communication device provided by an embodiment of the present application.
  • FIG. 10 is a schematic diagram of a hardware structure of a terminal device provided by an embodiment of the present application.
  • FIG. 11 is a schematic diagram of a hardware structure of a network side device provided by an embodiment of the present application.
  • first, second and the like in the description and claims of the present application are used to distinguish similar objects, and are not used to describe a specific order or sequence. It is to be understood that the terms so used are interchangeable under appropriate circumstances so that the embodiments of the present application can be practiced in sequences other than those illustrated or described herein, and that "first”, “second” distinguishes Usually it is a class, and the number of objects is not limited.
  • the first object may be one or multiple.
  • “and/or” in the description and claims indicates at least one of the connected objects, and the character “/" generally indicates that the associated objects are in an "or” relationship.
  • LTE Long Term Evolution
  • LTE-Advanced LTE-Advanced
  • LTE-A Long Term Evolution
  • CDMA Code Division Multiple Access
  • TDMA Time Division Multiple Access
  • FDMA Frequency Division Multiple Access
  • OFDMA Orthogonal Frequency Division Multiple Access
  • SC-FDMA Single-carrier Frequency-Division Multiple Access
  • system and “network” in the embodiments of the present application are often used interchangeably, and the described technology can be used not only for the above-mentioned systems and radio technologies, but also for other systems and radio technologies.
  • NR New Radio
  • the following description describes a New Radio (NR) system for example purposes, and uses NR terminology in most of the description below, but these techniques can also be applied to applications other than NR system applications, such as 6th Generation (6th Generation) , 6G) communication system.
  • 6th Generation 6th Generation
  • 6G 6th Generation
  • FIG. 1 is a block diagram of a wireless communication system to which an embodiment of the present application can be applied.
  • the wireless communication system includes a terminal 11 and a network-side device 12 .
  • the terminal 11 may also be called a terminal device or a user terminal (User Equipment, UE), and the terminal 11 may be a mobile phone, a tablet computer (Tablet Personal Computer), a laptop computer (Laptop Computer) or a notebook computer, a personal digital computer Assistant (Personal Digital Assistant, PDA), handheld computer, netbook, ultra-mobile personal computer (ultra-mobile personal computer, UMPC), mobile Internet device (Mobile Internet Device, MID), wearable device (Wearable Device) or vehicle-mounted device (VUE), pedestrian terminal (PUE) and other terminal-side devices, wearable devices include: bracelets, headphones, glasses, etc.
  • the network side device 12 may be a base station or a core network, wherein the base station may be referred to as a Node B, an evolved Node B, an access point, a Base Transceiver Station (BTS), a radio base station, a radio transceiver, a basic service Set (Basic Service Set, BSS), Extended Service Set (Extended Service Set, ESS), Node B, Evolved Node B (eNB), Home Node B, Home Evolved Node B, WLAN Access Point, WiFi Node, Send Transmitting Receiving Point (TRP) or some other suitable term in the field, as long as the same technical effect is achieved, the base station is not limited to specific technical terms.
  • the base station in the NR system is taken as an example, but the specific type of the base station is not limited.
  • FIG. 2 is one of the schematic flowcharts of the contention resolution method provided by the embodiment of the present application. As shown in FIG. 2 , the method includes the following steps:
  • Step 200 the terminal determines that the contention is successfully resolved based on the first PDSCH sent by the network side;
  • the first PDSCH includes: at least one terminal contention resolution ID, and the at least one terminal contention resolution ID includes a target terminal contention resolution ID of the terminal.
  • different terminals randomly select the preamble for transmission, so that different terminals may select the same preamble on the same resource to send, triggering the competitive random access process.
  • This situation can be understood as a preamble conflict of the terminal.
  • different terminals can receive the same random access response (Random Access Response, RAR), then different terminals will respond to uplink grant resources (RAR Uplink Grant, RAR UL Grant) according to the random access at this time.
  • RAR Random Access Response
  • RAR Uplink Grant RAR Uplink Grant
  • the terminal can perform repeated transmission of PUSCH on multiple occasions, and the network side can solve the Message 3 sent by multiple terminals. PUSCH.
  • one or more terminal contention resolution IDs can be sent to the terminal through the network side, so that one or more available contention resolutions are successful at the same time. Avoid the situation that the terminal that has not successfully resolved the contention can only try a new Random Access Channel (RACH), thereby reducing the power consumption and access delay of the terminal, and avoiding more RACH resources. occupancy.
  • RACH Random Access Channel
  • the terminal may receive the first PDSCH sent by the network side, obtain the target terminal contention resolution ID corresponding to the terminal in at least one terminal contention resolution ID included in the first PDSCH, and determine that the contention resolution is successful.
  • multiple terminals may receive the first PDSCH sent by the network side, and obtain target terminal contention resolution IDs corresponding to the multiple terminals in the at least one terminal contention resolution ID included in the first PDSCH.
  • Competitive resolution can be determined to be successful.
  • the terminal determines that the contention resolution is successful by receiving the target terminal contention resolution ID in at least one terminal contention resolution ID sent by the network side; at least one terminal contention resolution ID can be implemented; At least one terminal corresponding to the ID determines that the contention is successfully resolved, so that the at least one terminal can successfully resolve the contention at the same time, thereby reducing the access delay.
  • the first PDSCH includes: the PDSCH scheduled by the PDCCH scrambled by the TC-RNTI of the terminal.
  • the first PDSCH received by the terminal from the network side may be the PDSCH scheduled by the PDCCH scrambled by the terminal's TC-RNTI.
  • the first PDSCH received by the terminal from the network side may be Message 4.
  • the terminal contention resolution ID is included in the MAC sub PDU.
  • the terminal contention resolution ID may be included in the MAC sub PDU for transmission.
  • the information contained in different MAC sub PDUs may be different.
  • determining that the contention is successfully resolved based on the first PDSCH sent by the network side includes:
  • the target sub-protocol data unit (Sub Protocol Data Unit, sub PDU) of the first PDSCH includes the target terminal contention resolution ID of the terminal, it is determined that the terminal contention is successfully resolved;
  • the target terminal contention resolution ID matches the CCCH SDU of the terminal in Message 3.
  • the network side may include the terminal contention resolution ID in the first PDSCH such as Message 4 PDSCH, if the terminal receiving the first PDSCH determines that it contains the target terminal contention resolution ID corresponding to the terminal, that is, it contains the target terminal contention resolution ID corresponding to the terminal.
  • the terminal contention resolution ID such as Message 4 PDSCH
  • the terminal receiving the first PDSCH determines that it contains the target terminal contention resolution ID corresponding to the terminal, that is, it contains the target terminal contention resolution ID corresponding to the terminal.
  • the terminal can consider that the contention resolution is successful. If there is no matching terminal contention resolution ID, the terminal may consider the contention resolution unsuccessful.
  • the sub PDU containing the target contention resolution ID of the terminal is the target sub PDU of the terminal, that is, the target sub PDU has a corresponding relationship with the terminal.
  • the target terminal contention resolution ID of the terminal may be the terminal contention resolution ID matched by the terminal in the CCCH SDU of Message 3; that is, the target terminal contention resolution ID and the terminal are in one-to-one correspondence. .
  • a Message 4 PDSCH can contain multiple MAC sub PDUs, corresponding to the relevant information used by different terminals to determine contention resolution, and the terminal can decode multiple MAC sub PDUs.
  • the terminal contention resolution ID matched by the CCCH SDU is considered to be successful, that is, the network can send the contention resolution ID to multiple users in one Message 4 PDSCH.
  • the control layer protocol data unit Media Access Control sub Protocol Data Unit, MAC PDU
  • each terminal can obtain its own corresponding target terminal contention resolution ID from its own corresponding target sub PDU, and then determine the successful contention resolution, thereby helping multiple terminals to achieve successful contention resolution at the same time.
  • the first PDSCH further includes: first C-RNTI related information and/or first hybrid automatic repeat request acknowledgment (Hybrid Automatic Repeat request-Acknowledgement, HARQ-Ack) transmission resource related information;
  • first C-RNTI related information and/or first hybrid automatic repeat request acknowledgment (Hybrid Automatic Repeat request-Acknowledgement, HARQ-Ack) transmission resource related information Hybrid Automatic Repeat request-Acknowledgement, HARQ-Ack) transmission resource related information
  • the first C-RNTI related information and/or the first HARQ-Ack transmission resource related information is included in the MAC sub PDU.
  • the first PDSCH may further include: first C-RNTI related information, which is used by the terminal to determine its C-RNTI.
  • the first PDSCH may further include: a first HARQ-Ack transmission resource; for the terminal to determine its C-RNTI, that is, for the terminal to determine its corresponding target physical uplink control channel for transmitting the HARQ-Ack of the first PDSCH (Physical Uplink Control Channel, PUCCH) transmission resources.
  • a first HARQ-Ack transmission resource for the terminal to determine its C-RNTI, that is, for the terminal to determine its corresponding target physical uplink control channel for transmitting the HARQ-Ack of the first PDSCH (Physical Uplink Control Channel, PUCCH) transmission resources.
  • PUCCH Physical Uplink Control Channel
  • the first HARQ-Ack transmission resource related information may include: HARQ-Ack transmission resources, and/or HARQ-Ack feedback time offset K1.
  • the first C-RNTI related information and/or the first HARQ-Ack transmission resource related information may be included in the MAC sub PDU together with the terminal contention resolution ID.
  • the first C-RNTI related information may directly be all information of the C-RNTI, for example, 16-bit information, or may be indication information indicating the C-RNTI.
  • the information related to the first HARQ-Ack transmission resource may directly be a target PUCCH transmission resource or a resource index value corresponding to the terminal for transmitting the HARQ-Ack of the first PDSCH.
  • FIG. 3 is one of the schematic diagrams of the MAC sub PDU format provided by the embodiment of the present application, as shown in Fig. 3, Fig. 3 shows a format of the MAC sub PDU of a kind of Message 4, which includes A MAC subheader sub header and a 48-bit terminal contention resolution ID field contain a total terminal contention resolution ID.
  • FIG. 4 is the MAC sub PDU format provided by the embodiment of the present application.
  • the second schematic diagram, as shown in Figure 4, on the basis of the MAC sub PDU format of Figure 3, may further include the first C-RNTI related information, the first HARQ-Ack transmission resource related information, and TA indication information, or Some of the above information.
  • different logical channel IDs can be used to distinguish.
  • all or part of the information contained in one of said MAC sub PDUs is associated.
  • the information included in the same MAC sub PDU may be: associated.
  • the first C-RNTI related information and the terminal contention resolution ID may both correspond to the same terminal.
  • the first HARQ-Ack transmission resource-related information and the terminal contention resolution ID may both correspond to the same terminal.
  • the first HARQ-Ack transmission resource related information and the first C-RNTI related information and the terminal contention resolution ID may correspond to the same terminal.
  • the method further includes:
  • the terminal may further determine the C-RNTI of the terminal.
  • the determining the C-RNTI of the terminal includes:
  • the C-RNTI of the terminal is determined based on the order of the MAC-PDU in the first PDSCH where the target sub PDU is located.
  • the C-RNTI of the terminal may be determined based on the order of the target sub PDUs of the terminal in the first PDSCH in the PDSCH.
  • the target sub PDU includes or does not include the first C-RNTI related information.
  • the C-RNTI of the terminal may be determined based on the order of the MAC-PDU in the first PDSCH where the target sub PDU is located.
  • C-RNTI Cell-Radio Network Temporary Identifier
  • the C-RNTI uniquely identifies the terminal under the air interface of a cell, and the C-RNTI is valid only for the terminal in the connected state.
  • the order of the MAC-PDUs where the target sub PDUs corresponding to at least one terminal are located is also different. Therefore, the terminal is determined based on the order of the MAC-PDUs where the target sub PDUs are located.
  • different terminals can determine different C-RNTIs in one-to-one correspondence based on the sequence of different target sub PDUs, which ensures the uniqueness of the C-RNTIs of the terminals.
  • the determining the C-RNTI of the terminal based on the order of the MAC-PDU where the target sub PDU is located in the first PDSCH includes:
  • the target sub PDU is the first MAC sub PDU in the first PDSCH, determine the TC-RNTI of the terminal as the C-RNTI of the terminal.
  • the existing TC-RNTI of the terminal can be used as the terminal's TC-RNTI. C-RNTI.
  • the determining the C-RNTI of the terminal based on the order of the MAC-PDU where the target sub PDU is located in the first PDSCH includes:
  • the C-RNTI of the terminal is determined based on X; where X is greater than or equal to 1 and X is an integer.
  • the C-RNTI of the terminal can be determined based on X.
  • the determining the C-RNTI of the terminal based on X includes:
  • Y may be determined based on X, and then the existing TC-RNTI of the terminal may be calculated based on Y to obtain the C-RNTI of the terminal.
  • Y can be equal to X
  • Y may be equal to X plus 1;
  • Y and X are in one-to-one correspondence, one X value does not correspond to multiple Ys, and one Y value does not correspond to multiple Xs, so as to ensure the uniqueness of the calculated C-RNTI of the terminal.
  • calculating the TC-RNTI of the terminal based on Y to obtain the C-RNTI of the terminal including:
  • the decimal number corresponding to the TC-RNTI of the terminal is added to Y to obtain the decimal number corresponding to the C-RNTI of the terminal.
  • the decimal number corresponding to the existing TC-RNTI of the terminal may be added to Y, and then converted into a binary bit sequence, which is used as the C-RNTI of the terminal.
  • calculating the TC-RNTI of the terminal based on Y to obtain the C-RNTI of the terminal including:
  • Y-bit rotation may be performed on the existing TC-RNTI of the terminal to obtain the C-RNTI of the terminal.
  • the determining the C-RNTI of the terminal includes:
  • the C-RNTI of the terminal is determined.
  • the C-RNTI of the terminal may be determined based on the first C-RNTI related information in the target sub PDU.
  • the terminal can discard the existing TC-RNTI if the C-RNTI of the terminal can be determined only based on the first C-RNTI related information.
  • the determining the C-RNTI of the terminal includes:
  • the C-RNTI of the terminal is determined.
  • the first C-RNTI related information may include the second C-RNTI related information in the MAC sub header in the target sub PDU, which may be based on The second C-RNTI related information in the MAC sub header in the target sub PDU determines the C-RNTI of the terminal;
  • the C-RNTI related information of the terminal can be determined directly based on the second C-RNTI related information in the MAC sub header in the target sub PDU. -RNTI.
  • the second C-RNTI related information includes at least one of the following:
  • MAC sub header length information media access control layer service data unit (Media Access Control service Data Unit)
  • MAC SDU length information media access control layer control information (Media Access Control Element, MAC-CE) length information
  • MAC-CE media access control Control Element
  • the second C-RNTI related information may include but is not limited to at least one of the following:
  • the method further includes:
  • the terminal may further determine the target PUCCH transmission resource corresponding to the terminal for transmitting the HARQ-Ack of the first PDSCH.
  • the determining the target PUCCH transmission resource corresponding to the terminal for transmitting the HARQ-Ack of the first PDSCH includes:
  • the target PUCCH transmission resource is determined based on the order of the MAC-PDU in the first PDSCH where the target sub PDU is located.
  • the target sub PDU of the terminal in the first PDSCH may be determined based on the order of the terminal's target sub PDU in the PDSCH.
  • the target PUCCH transmission resource for transmitting the HARQ-Ack of the first PDSCH may be determined based on the order of the terminal's target sub PDU in the PDSCH.
  • the HARQ corresponding to the terminal for transmitting the first PDSCH may be determined based on the order of the MAC-PDU in the first PDSCH where the target sub PDU is located. - Target PUCCH transmission resource for Ack.
  • the order of the MAC-PDUs where the target sub PDUs corresponding to at least one terminal are located is also different. Therefore, based on the order of the MAC-PDUs where the target sub PDUs are located, the target When PUCCH transmission resources are used, different terminals can determine different target PUCCH transmission resources corresponding to each other based on the sequence of different target sub PDUs, which ensures the uniqueness of the target PUCCH transmission resources and can be correlated with the C-RNTI of the terminal. correspond.
  • determining the target PUCCH transmission resource based on the order of the MAC-PDU where the target sub PDU is located in the first PDSCH includes:
  • the target sub PDU is the first MAC sub PDU in the first PDSCH, it is determined that the PUCCH resource indicated by the PDCCH scrambled by the TC-RNTI of the terminal is the target PUCCH transmission resource.
  • the terminal determines that its corresponding target sub PDU is the 1st MAC sub PDU in the first PDSCH it receives, it can be indicated by the PDCCH scrambled by the TC-RNTI of the terminal.
  • the PUCCH resource is used as the target PUCCH transmission resource corresponding to the terminal.
  • determining the target PUCCH transmission resource based on the order of the MAC-PDU where the target sub PDU is located in the first PDSCH includes:
  • the target PUCCH transmission resource is determined based on Z; wherein, Z is greater than or equal to 1 and Z is an integer.
  • the target PUCCH transmission resource corresponding to the terminal may be determined based on Z.
  • the target PUCCH transmission resource corresponding to the terminal based on Z it may be preferred to obtain the index value of the target PUCCH transmission resource corresponding to the terminal based on Z, and then obtain the target PUCCH transmission resource corresponding to the terminal.
  • the determining the target PUCCH transmission resource based on Z includes:
  • the target PUCCH transmission resource is obtained by calculating the PUCCH resource indicated by the PDCCH scrambled by the TC-RNTI of the terminal based on Z.
  • the PUCCH resource indicated by the PDCCH scrambled by the TC-RNTI of the terminal may be calculated based on Z to obtain the index value of the target PUCCH transmission resource corresponding to the terminal, and then obtain the target PUCCH transmission resource corresponding to the terminal.
  • calculating the PUCCH resource indicated by the PDCCH scrambled by the TC-RNTI of the terminal based on Z to obtain the target PUCCH transmission resource includes:
  • the target PUCCH transmission resource is obtained by adding the index value of the PUCCH resource indicated by the PDCCH scrambled by the TC-RNTI of the terminal to Z.
  • the index value of the PUCCH resource indicated by the PDCCH scrambled by the TC-RNTI of the terminal may be added to Z to obtain the index value of the target PUCCH transmission resource corresponding to the terminal, and then the target PUCCH transmission resource corresponding to the terminal may be obtained.
  • calculating the PUCCH resource indicated by the PDCCH scrambled by the TC-RNTI of the terminal based on Z to obtain the target PUCCH transmission resource includes:
  • the target PUCCH transmission resource is determined based on the remainder after the index value of the PUCCH resource indicated by the PDCCH scrambled by the TC-RNTI of the terminal is added to Z and divided by the first preset value, and the target PUCCH transmission resource is determined;
  • the settings are either preconfigured or predefined by the protocol.
  • the index value of the PUCCH resource indicated by the PDCCH scrambled by the TC-RNTI of the terminal can be added to Z, and then the remainder after division with the first preset value can be used as the target PUCCH transmission resource corresponding to the terminal. to obtain the target PUCCH transmission resource corresponding to the terminal.
  • the first preset value may be 16.
  • the value range of the first preset value may be a positive integer greater than 1;
  • the value range of the first preset value may be that the first preset value is greater than or equal to 2, the first preset value is less than or equal to 16, and the first preset value is a positive integer.
  • the determining the target PUCCH transmission resource corresponding to the terminal for transmitting the HARQ-Ack of the first PDSCH includes:
  • the target PUCCH transmission resource is determined based on the first HARQ-Ack transmission resource related information in the target sub PDU.
  • the target PUCCH transmission resource corresponding to the terminal may be determined based on the information related to the first HARQ-Ack transmission resource in the target sub PDU.
  • the determining the target PUCCH transmission resource of the terminal includes:
  • the target PUCCH transmission resource is determined based on the second HARQ-Ack transmission resource related information in the MAC sub header in the target sub PDU.
  • the first HARQ-Ack transmission resource related information may include the second HARQ-Ack transmission in the MAC sub header in the target sub PDU Resource-related information
  • the terminal can determine the target PUCCH transmission resource corresponding to the terminal based on the second HARQ-Ack transmission resource-related information in the MAC sub header in the target sub PDU;
  • the terminal may directly base on the second HARQ-Ack transmission resource in the MAC sub header in the target sub PDU.
  • the relevant information is used to determine the target PUCCH transmission resource corresponding to the terminal.
  • the second HARQ-Ack transmission resource related information includes at least one of the following:
  • the information related to the second HARQ-Ack transmission resource may include, but is not limited to, at least one of the following:
  • the first PDSCH further includes:
  • the third indication information is used to instruct to continue to receive at least one MAC sub PDU that subsequently contains the MAC SDU.
  • the first PDSCH may further include third indication information, and the terminal may determine, based on the third indication information, to continue to receive at least one subsequent MAC sub PDU containing the MAC SDU.
  • the first PDSCH may further include third indication information, and the terminal may determine, based on the third indication information, not to continue to receive the subsequent at least one MAC sub PDU containing the MAC SDU.
  • the terminal continues to receive by default or by default does not continue to receive at least one MAC sub PDU that subsequently contains the MAC SDU.
  • the method further includes:
  • the second indication information is preconfigured or sent by the network side.
  • the network side instructs Message 3 to perform repeated transmission through the second indication information, it may be determined that the contention resolution is successful based on the first PDSCH sent by the network side.
  • any of the foregoing method embodiments or a combination of any of the foregoing method embodiments may be performed.
  • the second indication information is transmitted by the network side through the PDCCH or system information scrambled by the RAR UL grant or the TC-RNTI.
  • the second indication information may be transmitted by the network side through the PDCCH or system information scrambled by the RAR UL grant or the TC-RNTI.
  • the method further includes: in the case that the preamble of Message 3 sent by the terminal satisfies the first preset condition, determining that the contention is successfully resolved based on the first PDSCH sent by the network side.
  • the preamble of Message 3 sent by the terminal satisfies the first preset condition, it can be determined that the contention resolution is successful based on the first PDSCH sent by the network side.
  • any of the foregoing method embodiments or a combination of any of the foregoing method embodiments may be performed.
  • the first preset condition includes at least one of the following:
  • the reference signal received power (Reference Signal Receiving Power, RSRP) value corresponding to the group to which the Preamble belongs is lower than a preset threshold;
  • the number of bits corresponding to Message 3 in the group to which the Preamble belongs is greater than the second preset value, and the second preset value is preconfigured;
  • the Message 3 corresponding to the grouping to which the Preamble belongs is repeatedly transmitted;
  • the group to which the Preamble belongs is associated with a first time domain resource allocation (Time domain resource allocation, TDRA) table, and the first TDRA table corresponds to the scheduling of the Message 3, and/or, the first TDRA table contains all the Describe the number of repeated transmissions of Message 3;
  • TDRA Time domain resource allocation
  • the group to which the Preamble belongs corresponds to the capability of the terminal.
  • the first preset condition may include but is not limited to at least one of the following:
  • the RSRP value corresponding to the group to which the Preamble belongs is lower than the preset threshold
  • the number of bits corresponding to Message 3 in the group to which the Preamble belongs is greater than the second preset value, and the second preset value is preconfigured;
  • the Message 3 corresponding to the grouping to which the Preamble belongs is repeatedly transmitted;
  • the group to which the Preamble belongs is associated with the first TDRA table, and the first TDRA table corresponds to the scheduling of the Message 3, and/or, the first TDRA table includes the repeated transmission times of the Message 3;
  • the group to which the Preamble belongs corresponds to the capability of the terminal.
  • an S field is included in the MAC sub PDU transmitted by the first PDSCH;
  • the S field is used to indicate whether the subsequent MAC sub PDU is a MAC sub PDU containing a MAC SDU.
  • the MAC sub PDU transmitted by the first PDSCH may include an S field, which is used to indicate whether the subsequent MAC sub PDU is a MAC sub PDU including a MAC SDU.
  • the method further includes: receiving a subsequent MAC sub PDU based on the S domain.
  • the subsequent MAC sub PDU indicated in the S field is a MAC sub PDU containing the MAC SDU
  • the subsequent MAC sub PDU includes radio resource control (Radio Resource Control, RRC) signaling;
  • RRC Radio Resource Control
  • the RRC signaling is associated with the first PDSCH containing the sub PDU of the S domain.
  • the subsequent MAC Sub PDU may include RRC signaling associated with the first PDSCH of the sub PDU corresponding to the S domain.
  • the first PDSCH further includes at least one of the following:
  • TA Power Control
  • TPC Transmit Power Control
  • the first PDSCH may also include but is not limited to at least one of the following:
  • the network includes UL grant information in the RAR to indicate the Message 3 PUSCH scheduling information, and includes RAPID (RACH preamble ID), TC-RNTI, TA and other information. If the network does not receive the Message 3 PUSCH, the retransmission of the Message 3 PUSCH can be scheduled in the PDCCH scrambled by the TC-RNTI.
  • RAPID RACH preamble ID
  • TC-RNTI TA and other information.
  • FIG. 5 is the third schematic diagram of the MAC sub PDU format provided by the embodiment of the present application.
  • the MAC sub PDU transmitted by the PDSCH of Message 4 can use this format; wherein, the S field can indicate the subsequent MAC sub PDU.
  • the terminal can receive subsequent MAC sub PDUs according to the indication.
  • the subsequent MAC sub PDU may contain RRC signaling, which is associated with the information of the Sub PDU containing the S domain, and is used to further issue RRC signaling while sending the relevant information for the terminal to determine contention resolution.
  • the terminal determines that the contention resolution is successful by receiving the target terminal contention resolution ID in at least one terminal contention resolution ID sent by the network side; at least one terminal contention resolution ID can be implemented; At least one terminal corresponding to the ID determines that the contention is successfully resolved, so that the at least one terminal can successfully resolve the contention at the same time, thereby reducing the access delay.
  • FIG. 6 is a second schematic flowchart of a contention resolution method provided by an embodiment of the present application. As shown in FIG. 6 , the method includes the following steps:
  • Step 600 the network side sends the first PDSCH
  • the shown first PDSCH is used for the terminal to determine that the contention is successfully resolved
  • the first PDSCH includes: at least one terminal contention resolution ID, and the at least one terminal contention resolution ID includes a target terminal contention resolution ID of the terminal.
  • one or more terminal contention resolution IDs can be sent to the terminal through the network side, so that one or more available contention resolutions are successful at the same time. It avoids the situation where the terminal that has not successfully resolved the contention can only make a new RACH attempt, thereby reducing the power consumption and access delay of the terminal, and also avoiding the occupation of more RACH resources.
  • the terminal may receive the first PDSCH sent by the network side, obtain the target terminal contention resolution ID corresponding to the terminal in at least one terminal contention resolution ID included in the first PDSCH, and determine that the contention resolution is successful.
  • multiple terminals may receive the first PDSCH sent by the network side, and obtain target terminal contention resolution IDs corresponding to the multiple terminals in the at least one terminal contention resolution ID included in the first PDSCH. It can be determined that the competition resolution was successful.
  • the network side determines that the contention resolution is successful by sending the target terminal contention resolution ID in at least one terminal contention resolution ID to the terminal; at least one terminal contention resolution ID can be implemented. If the corresponding at least one terminal determines that the contention is successfully resolved, it can be achieved that the at least one terminal has successfully resolved the contention at the same time, thereby reducing the access delay.
  • the method further includes:
  • the network side sends the first PDSCH to all the terminals.
  • the network side can retransmit the first PDSCH, such as retransmitting Message 4;
  • the network side may only include the MAC Sub PDU corresponding to the part of the terminal in the PDSCH.
  • the network side determines that the contention resolution is successful by sending the target terminal contention resolution ID in at least one terminal contention resolution ID to the terminal; at least one terminal contention resolution ID can be implemented. If the corresponding at least one terminal determines that the contention is successfully resolved, it can be achieved that the at least one terminal has successfully resolved the contention at the same time, thereby reducing the access delay.
  • the execution body may be a contention resolution apparatus, or a control module in the contention resolution apparatus for executing the contention resolution method.
  • the contention resolution apparatus provided by the embodiment of the present application is described by taking the contention resolution apparatus executing the contention resolution method as an example.
  • FIG. 7 is a schematic structural diagram of a contention resolution apparatus provided by an embodiment of the present application. As shown in FIG. 7 , the apparatus includes: a first determination module 710; wherein:
  • the first determining module 710 is used by the terminal to determine that the contention is successfully resolved based on the first PDSCH sent by the network side;
  • the first PDSCH includes: at least one terminal contention resolution ID, and the at least one terminal contention resolution ID includes a target terminal contention resolution ID of the terminal.
  • the contention resolution apparatus determines, through the first determination module 710, that the contention resolution is successful based on the target terminal contention resolution ID of the terminal included in at least one terminal contention resolution ID in the first PDSCH sent by the network side.
  • the terminal determines that the contention resolution is successful by receiving the target terminal contention resolution ID in at least one terminal contention resolution ID sent by the network side; at least one terminal contention resolution ID can be implemented; At least one terminal corresponding to the ID determines that the contention is successfully resolved, so that the at least one terminal can successfully resolve the contention at the same time, thereby reducing the access delay.
  • the first PDSCH includes: the PDSCH scheduled by the PDCCH scrambled by the TC-RNTI of the terminal.
  • the terminal contention resolution ID is included in the MAC sub PDU.
  • the first determining module is also used for:
  • the target sub PDU of the first PDSCH includes the target terminal contention resolution ID of the terminal, it is determined that the terminal contention resolution is successful;
  • the target terminal contention resolution ID matches the CCCH SDU of the terminal in Message 3.
  • the first PDSCH further includes: first C-RNTI related information and/or first HARQ-Ack transmission resource related information;
  • the first C-RNTI related information and/or the first HARQ-Ack transmission resource related information is included in the MAC sub PDU.
  • all or part of the information contained in one of said MAC sub PDUs is associated.
  • the apparatus further includes: a second determining module configured to determine the C-RNTI of the terminal.
  • the second determining module is specifically configured to: determine the C-RNTI of the terminal based on the order of the MAC-PDU in the first PDSCH where the target sub PDU is located.
  • the second determining module is specifically configured to: if the target sub PDU is the first MAC Sub PDU in the first PDSCH, determine the TC-RNTI of the terminal as the C-RNTI of the terminal.
  • the second determining module is specifically configured to: if the target sub PDU is the Xth MAC sub PDU in the first PDSCH, determine the C-RNTI of the terminal based on X; wherein X is greater than or equal to 1 and X is an integer.
  • the second determining module is specifically configured to: calculate the TC-RNTI of the terminal based on Y to obtain the C-RNTI of the terminal; wherein the Y is determined based on the X.
  • the second determining module is specifically configured to:
  • the decimal number corresponding to the TC-RNTI of the terminal is added to Y to obtain the decimal number corresponding to the C-RNTI of the terminal.
  • the second determining module is specifically configured to: perform a Y-bit position cyclic shift on the TC-RNTI of the terminal to obtain the C-RNTI of the terminal.
  • the second determining module is specifically configured to:
  • the C-RNTI of the terminal is determined.
  • the second determining module is specifically used for:
  • the C-RNTI of the terminal is determined.
  • the second C-RNTI related information includes at least one of the following:
  • the apparatus further includes: a third determination module, configured to determine a target PUCCH transmission resource corresponding to the terminal for transmitting the HARQ-Ack of the first PDSCH.
  • a third determination module configured to determine a target PUCCH transmission resource corresponding to the terminal for transmitting the HARQ-Ack of the first PDSCH.
  • the third determining module is specifically configured to: determine the target PUCCH transmission resource based on the order of the MAC-PDU in the first PDSCH where the target sub PDU is located.
  • the third determining module is specifically used for:
  • the target sub PDU is the first MAC Sub PDU in the first PDSCH, it is determined that the PUCCH resource indicated by the PDCCH scrambled by the TC-RNTI of the terminal is the target PUCCH transmission resource.
  • the third determining module is specifically configured to: if the target sub PDU is the Zth MAC Sub PDU in the first PDSCH, determine the target PUCCH transmission resource based on Z; wherein Z is greater than or is equal to 1 and Z is an integer.
  • the third determining module is specifically configured to: calculate the PUCCH resource indicated by the PDCCH scrambled by the TC-RNTI of the terminal based on Z, to obtain the target PUCCH transmission resource.
  • the third determining module is specifically configured to: add the index value of the PUCCH resource indicated by the PDCCH scrambled by the TC-RNTI of the terminal to Z to obtain the target PUCCH transmission resource.
  • the third determination module is specifically configured to: based on the index value of the PUCCH resource indicated by the PDCCH scrambled by the TC-RNTI of the terminal and Z, and then divided by the first preset value. The remainder is used to determine the target PUCCH transmission resource; the first preset value is preconfigured or predefined by a protocol.
  • the third determining module is specifically configured to: based on the first HARQ-Ack transmission resource in the target sub PDU The relevant information is used to determine the target PUCCH transmission resource.
  • the third determining module is specifically configured to: determine the target PUCCH transmission resource based on the second HARQ-Ack transmission resource related information in the MAC sub header in the target sub PDU.
  • the second HARQ-Ack transmission resource related information includes at least one of the following: format information; MAC sub header length information; MAC SDU length information; MAC-CE length information; and logical channel ID.
  • the first PDSCH further includes: third indication information, which is used to instruct to continue to receive at least one MAC sub PDU containing the MAC SDU subsequently.
  • the apparatus further includes: a fourth determination module, configured to determine the contention based on the first PDSCH sent by the network side in the case of preconfiguring the repeated transmission of Message 3 or determining the repeated transmission of Message 3 based on the second indication information. solve successfully;
  • the second indication information is preconfigured or sent by the network side.
  • the second indication information is transmitted by the network side through the PDCCH or system information scrambled by the RAR UL grant or the TC-RNTI.
  • the device further includes: a fifth determination module, configured to determine that the contention is successfully resolved based on the first PDSCH sent by the network side when the preamble of the Message 3 sent by the terminal meets the first preset condition .
  • a fifth determination module configured to determine that the contention is successfully resolved based on the first PDSCH sent by the network side when the preamble of the Message 3 sent by the terminal meets the first preset condition .
  • the first preset condition includes at least one of the following:
  • the RSRP value corresponding to the group to which the Preamble belongs is lower than the preset threshold
  • the number of bits corresponding to Message 3 in the group to which the Preamble belongs is greater than the second preset value, and the second preset value is preconfigured;
  • the Message 3 corresponding to the grouping to which the Preamble belongs is repeatedly transmitted;
  • the group to which the Preamble belongs is associated with the first TDRA table, and the first TDRA table corresponds to the scheduling of the Message 3, and/or, the first TDRA table includes the repeated transmission times of the Message 3; the Preamble The belonging group corresponds to the capability of the terminal.
  • the MAC sub PDU transmitted by the first PDSCH includes an S field; the S field is used to indicate whether the subsequent MAC sub PDU is a MAC sub PDU including a MAC SDU.
  • the apparatus further includes: a first receiving module, configured to receive subsequent MAC sub PDUs based on the S domain.
  • the subsequent MAC sub PDU includes RRC signaling
  • the RRC signaling is associated with the first PDSCH containing the sub PDU of the S domain.
  • the first PDSCH further includes at least one of the following: TA; power control command TPC; Channel access-CP extension indication.
  • the terminal determines that the contention resolution is successful by receiving the target terminal contention resolution ID in at least one terminal contention resolution ID sent by the network side; at least one terminal contention resolution ID can be implemented; At least one terminal corresponding to the ID determines that the contention is successfully resolved, so that the at least one terminal can successfully resolve the contention at the same time, thereby reducing the access delay.
  • the contention resolution apparatus in this embodiment of the present application may be an apparatus or electronic device having an operating system, or may be a component, an integrated circuit, or a chip in a terminal.
  • the electronic device may be a mobile terminal or a non-mobile terminal.
  • the mobile terminal may include, but is not limited to, the types of terminals 11 listed above, and the non-mobile terminal may be a server, a network attached storage (NAS), a personal computer (personal computer, PC), a television ( television, TV), teller machine, or self-service machine, etc., which are not specifically limited in the embodiments of the present application.
  • the contention resolution apparatus provided in the embodiments of the present application can implement each process implemented by the method embodiments in FIG. 2 to FIG. 5 , and achieve the same technical effect. To avoid repetition, details are not described here.
  • FIG. 8 is a second schematic structural diagram of a contention resolution apparatus provided by an embodiment of the present application.
  • the apparatus includes: a first sending module 810 ; wherein: the first sending module 810 is configured to send the first sending module 810 based on the network side.
  • One PDSCH it is determined that the contention resolution is successful; the first PDSCH includes: at least one terminal contention resolution ID, and the at least one terminal contention resolution ID includes the target terminal contention resolution ID of the terminal.
  • the contention resolution apparatus sends the first PDSCH through the first sending module 810, so that the terminal can determine that the contention resolution is successful based on the target terminal contention resolution ID of the terminal included in at least one terminal contention resolution ID in the first PDSCH.
  • the network side determines that the contention resolution is successful by sending the target terminal contention resolution ID in at least one terminal contention resolution ID to the terminal; at least one terminal contention resolution ID can be implemented. If the corresponding at least one terminal determines that the contention is successfully resolved, it can be achieved that the at least one terminal has successfully resolved the contention at the same time, thereby reducing the access delay.
  • the apparatus further includes: a second sending module, configured to re-send the first PDSCH to all the terminals or the part of the terminals when only the HARQ-Ack resources of some terminals are received; wherein, The all terminals are all terminals that have sent the first PDSCH from the network side.
  • a second sending module configured to re-send the first PDSCH to all the terminals or the part of the terminals when only the HARQ-Ack resources of some terminals are received; wherein, The all terminals are all terminals that have sent the first PDSCH from the network side.
  • the first PDSCH includes: the PDSCH scheduled by the PDCCH scrambled by the TC-RNTI of the terminal.
  • the terminal contention resolution ID is included in the MAC sub PDU.
  • the first PDSCH further includes: first C-RNTI related information and/or first HARQ-Ack transmission resource related information;
  • the first C-RNTI related information and/or the first HARQ-Ack transmission resource related information is included in the MAC sub PDU.
  • all or part of the information contained in one of said MAC sub PDUs is associated.
  • the first PDSCH further includes:
  • the third indication information is used to instruct to continue to receive at least one MAC sub PDU that subsequently contains the MAC SDU.
  • an S field is included in the MAC Sub PDU transmitted by the first PDSCH;
  • the S field is used to indicate whether the subsequent MAC Sub PDU is a MAC sub PDU containing a MAC SDU.
  • the subsequent MAC sub PDU includes RRC signaling
  • the RRC signaling is associated with the first PDSCH containing the sub PDU of the S domain.
  • the first PDSCH further includes at least one of the following:
  • the network side determines that the contention resolution is successful by sending the target terminal contention resolution ID in at least one terminal contention resolution ID to the terminal; at least one terminal contention resolution ID can be implemented. If the corresponding at least one terminal determines that the contention is successfully resolved, it can be achieved that the at least one terminal has successfully resolved the contention at the same time, thereby reducing the access delay.
  • the contention resolution apparatus in this embodiment of the present application may be an apparatus, or may be a component, an integrated circuit, or a chip in a terminal.
  • the device may be a mobile terminal or a non-mobile terminal.
  • the mobile terminal may include, but is not limited to, the types of terminals 11 listed above, and the non-mobile terminal may be a server, a network attached storage (NAS), a personal computer (personal computer, PC), a television ( television, TV), teller machine, or self-service machine, etc., which are not specifically limited in the embodiments of the present application.
  • the contention resolution device in this embodiment of the present application may be a device with an operating system.
  • the operating system may be an Android (Android) operating system, an ios operating system, or other possible operating systems, which are not specifically limited in the embodiments of the present application.
  • the contention resolution apparatus provided in the embodiment of the present application can implement each process implemented by the method embodiment in FIG. 6 , and achieve the same technical effect. To avoid repetition, details are not repeated here.
  • FIG. 9 is a schematic structural diagram of a communication device provided by an embodiment of the present application.
  • a communication device 900 includes a processor 901 and a memory 902 , which are stored in the memory 902 and can be stored in the processor 901
  • the communication device 900 is a terminal
  • the program or instruction is executed by the processor 901
  • each process of the above method embodiments can be implemented, and the same technical effect can be achieved.
  • the communication device 900 is a network-side device, when the program or instruction is executed by the processor 901, each process of the above method embodiment is implemented, and the same technical effect can be achieved. To avoid repetition, details are not described here.
  • FIG. 10 is a schematic diagram of a hardware structure of a terminal device provided by an embodiment of the present application.
  • the terminal 1000 includes but is not limited to: a radio frequency unit 1001, a network module 1002, an audio output unit 1003, an input unit 1004, a sensor 1005, a display unit 1006, a user input unit 1007, an interface unit 1008, a memory 1009, and a processor 1010, etc. at least part of the components.
  • the terminal 1000 may also include a power supply (such as a battery) for supplying power to various components, and the power supply may be logically connected to the processor 1010 through a power management system, so as to manage charging, discharging, and power consumption through the power management system management and other functions.
  • a power supply such as a battery
  • the terminal structure shown in FIG. 10 does not constitute a limitation on the terminal, and the terminal may include more or less components than shown, or combine some components, or arrange different components, which will not be repeated here.
  • the input unit 1004 may include a graphics processor (Graphics Processing Unit, GPU) 10041 and a microphone 10042. Such as camera) to obtain still pictures or video image data for processing.
  • the display unit 1006 may include a display panel 10061, which may be configured in the form of a liquid crystal display, an organic light emitting diode, or the like.
  • the user input unit 1007 includes a touch panel 6071 and other input devices 10072 .
  • the touch panel 10071 is also called a touch screen.
  • the touch panel 10071 may include two parts, a touch detection device and a touch controller.
  • Other input devices 10072 may include, but are not limited to, physical keyboards, function keys (such as volume control keys, switch keys, etc.), trackballs, mice, and joysticks, which will not be repeated here.
  • the radio frequency unit 1001 processes the information from the communication peer end after receiving the information; in addition, sends the information to be transmitted to the communication peer end.
  • the radio frequency unit 1001 includes, but is not limited to, an antenna, at least one amplifier, a transceiver, a coupler, a low noise amplifier, a duplexer, and the like.
  • Memory 1009 may be used to store software programs or instructions as well as various data.
  • the memory 1009 may mainly include a stored program or instruction area and a storage data area, wherein the stored program or instruction area may store an operating system, an application program or instruction required for at least one function (such as a sound playback function, an image playback function, etc.) and the like.
  • the memory 1009 may include a high-speed random access memory, and may also include a non-volatile memory, wherein the non-volatile memory may be a read-only memory (Read-Only Memory, ROM), a programmable read-only memory (Programmable ROM) , PROM), erasable programmable read-only memory (Erasable PROM, EPROM), electrically erasable programmable read-only memory (Electrically EPROM, EEPROM) or flash memory.
  • ROM Read-Only Memory
  • PROM programmable read-only memory
  • PROM erasable programmable read-only memory
  • Erasable PROM Erasable PROM
  • EPROM electrically erasable programmable read-only memory
  • EEPROM electrically erasable programmable read-only memory
  • flash memory for example at least one magnetic disk storage device, flash memory device, or other non-volatile solid state storage device.
  • the processor 1010 may include one or more processing units; optionally, the processor 1010 may integrate an application processor and a modem processor, wherein the application processor mainly processes the operating system, user interface, and application programs or instructions, etc. Modem processors mainly deal with wireless communications, such as baseband processors. It can be understood that, the above-mentioned modulation and demodulation processor may not be integrated into the processor 1010.
  • the processor 1010 is configured to: the terminal determines that the contention resolution is successful based on the first PDSCH sent by the network side; the first PDSCH includes: at least one terminal contention resolution ID, and the at least one terminal contention resolution ID includes the Target terminal contention resolution ID.
  • the terminal determines that the contention resolution is successful by receiving the target terminal contention resolution ID in at least one terminal contention resolution ID sent by the network side; at least one terminal contention resolution ID can be implemented; At least one terminal corresponding to the ID determines that the contention is successfully resolved, so that the at least one terminal can successfully resolve the contention at the same time, thereby reducing the access delay.
  • the first PDSCH includes: a PDSCH scheduled by a PDCCH scrambled by the TC-RNTI of the terminal.
  • the terminal contention resolution ID is included in the MAC sub PDU.
  • the processor 1010 is configured to: if the target sub PDU of the first PDSCH includes the target terminal contention resolution ID of the terminal, determine that the terminal contention resolution is successful; the target terminal contention resolution ID is the same as that of the terminal. CCCH SDU match in Message 3.
  • the first PDSCH further includes: first C-RNTI related information and/or first HARQ-Ack transmission resource related information;
  • the first C-RNTI related information and/or the first HARQ-Ack transmission resource related information is included in the MAC sub PDU.
  • all or part of the information contained in one of said MAC sub PDUs is associated.
  • the processor 1010 is configured to: determine the C-RNTI of the terminal.
  • the processor 1010 is configured to: determine the C-RNTI of the terminal based on the sequence of MAC-PDUs in the first PDSCH where the target sub PDU is located.
  • the processor 1010 is configured to: if the target sub PDU is the first MAC sub PDU in the first PDSCH, determine the TC-RNTI of the terminal as the C-RNTI of the terminal.
  • the processor 1010 is configured to: if the target sub PDU is the Xth MAC sub PDU in the first PDSCH, determine the C-RNTI of the terminal based on X; wherein X is greater than or equal to 1 and X is an integer.
  • the processor 1010 is configured to: calculate the TC-RNTI of the terminal based on Y to obtain the C-RNTI of the terminal;
  • the processor 1010 is configured to: add the decimal number corresponding to the TC-RNTI of the terminal and Y to obtain the decimal number corresponding to the C-RNTI of the terminal.
  • the processor 1010 is configured to: perform a Y-bit position cyclic shift on the TC-RNTI of the terminal to obtain the C-RNTI of the terminal.
  • the processor 1010 is configured to:
  • the C-RNTI of the terminal is determined.
  • the processor 1010 is configured to: determine the C-RNTI of the terminal based on the second C-RNTI related information in the MAC sub header in the target sub PDU.
  • the second C-RNTI related information includes at least one of the following: format information; MAC sub header length information; MAC SDU length information; MAC-CE length information; and a logical channel ID.
  • the processor 1010 is configured to: determine a target PUCCH transmission resource corresponding to the terminal for transmitting the HARQ-Ack of the first PDSCH.
  • the processor 1010 is configured to: determine the target PUCCH transmission resource based on the sequence of MAC-PDUs in which the target sub PDU is located in the first PDSCH.
  • the processor 1010 is configured to: if the target sub PDU is the first MAC sub PDU in the first PDSCH, determine that the PUCCH resource indicated by the PDCCH scrambled by the TC-RNTI of the terminal is the target PUCCH transmission resource.
  • the processor 1010 is configured to: if the target sub PDU is the Zth MAC Sub PDU in the first PDSCH, determine the target PUCCH transmission resource based on Z; wherein Z is greater than or equal to 1 and Z is Integer.
  • the processor 1010 is configured to: calculate the PUCCH resource indicated by the PDCCH scrambled by the TC-RNTI of the terminal based on Z, to obtain the target PUCCH transmission resource.
  • the processor 1010 is configured to: add the index value of the PUCCH resource indicated by the PDCCH scrambled by the TC-RNTI of the terminal to Z to obtain the target PUCCH transmission resource.
  • processor 1010 is used to:
  • the target PUCCH transmission resource is determined based on the remainder after the index value of the PUCCH resource indicated by the PDCCH scrambled by the TC-RNTI of the terminal is added to Z and divided by the first preset value, and the target PUCCH transmission resource is determined;
  • the settings are either preconfigured or predefined by the protocol.
  • the processor 1010 is configured to:
  • the target PUCCH transmission resource is determined based on the first HARQ-Ack transmission resource related information in the target sub PDU.
  • the processor 1010 is configured to: determine the target PUCCH transmission resource based on the second HARQ-Ack transmission resource related information in the MAC sub header in the target sub PDU.
  • the second HARQ-Ack transmission resource related information includes at least one of the following: format information; MAC sub header length information; MAC SDU length information; MAC-CE length information; and logical channel ID.
  • the first PDSCH further includes: third indication information, which is used to instruct to continue to receive at least one MAC sub PDU containing the MAC SDU subsequently.
  • the processor 1010 is configured to: determine that the contention is successfully resolved based on the first PDSCH sent by the network side in the case of preconfiguring the repeated transmission of Message 3 or determining the repeated transmission of Message 3 based on the second indication information;
  • the second indication information is preconfigured or sent by the network side.
  • the second indication information is transmitted by the network side through the PDCCH or system information scrambled by the RAR UL grant or the TC-RNTI.
  • processor 1010 is used to:
  • the first preset condition includes at least one of the following:
  • the RSRP value corresponding to the group to which the Preamble belongs is lower than the preset threshold
  • the number of bits corresponding to Message 3 in the group to which the Preamble belongs is greater than the second preset value, and the second preset value is preconfigured;
  • the Message 3 corresponding to the grouping to which the Preamble belongs is repeatedly transmitted;
  • the group to which the Preamble belongs is associated with the first TDRA table, and the first TDRA table corresponds to the scheduling of the Message 3, and/or, the first TDRA table includes the repeated transmission times of the Message 3;
  • the group to which the Preamble belongs corresponds to the capability of the terminal.
  • an S field is included in the MAC sub PDU transmitted by the first PDSCH;
  • the S field is used to indicate whether the subsequent MAC sub PDU is a MAC sub PDU containing a MAC SDU.
  • the processor 1010 is configured to: receive a subsequent MAC sub PDU based on the S domain.
  • the subsequent MAC sub PDU includes RRC signaling; the RRC signaling is associated with the first PDSCH of the sub PDU including the S domain.
  • the first PDSCH further includes at least one of the following: TA; power control command TPC; Channel access-CP extension indication.
  • the terminal determines that the contention resolution is successful by receiving the target terminal contention resolution ID in at least one terminal contention resolution ID sent by the network side; at least one terminal contention resolution ID can be implemented; At least one terminal corresponding to the ID determines that the contention is successfully resolved, so that the at least one terminal can successfully resolve the contention at the same time, thereby reducing the access delay.
  • terminal device embodiments in the embodiments of this application are product embodiments corresponding to the foregoing method embodiments, and all implementations in the foregoing method embodiments are applicable to the terminal device embodiments, and can also achieve the same or similar technical effects. Therefore, it will not be repeated here.
  • FIG. 11 is a schematic diagram of a hardware structure of a network side device provided by an embodiment of the present application.
  • the network side device 1100 includes: an antenna 1101 , a radio frequency device 1102 , and a baseband device 1103 .
  • the antenna 1101 is connected to the radio frequency device 1102 .
  • the radio frequency device 1102 receives information through the antenna 1101, and sends the received information to the baseband device 1103 for processing.
  • the baseband device 1103 processes the information to be sent and sends it to the radio frequency device 1102
  • the radio frequency device 1102 processes the received information and sends it out through the antenna 1101 .
  • the above-mentioned frequency band processing apparatus may be located in the baseband apparatus 1103 , and the method performed by the network side device in the above embodiments may be implemented in the baseband apparatus 1103 , and the baseband apparatus 1103 includes a processor 1104 and a memory 1105 .
  • the baseband device 1103 may include, for example, at least one baseband board on which multiple chips are arranged, as shown in FIG. 11 , one of the chips is, for example, the processor 1104 , which is connected to the memory 1105 to call the program in the memory 1105 to execute The network devices shown in the above method embodiments operate.
  • the baseband device 1103 may further include a network interface 1106 for exchanging information with the radio frequency device 1102, and the interface is, for example, a common public radio interface (CPRI for short).
  • CPRI common public radio interface
  • the network-side device in this embodiment of the present application further includes: instructions or programs that are stored in the memory 1105 and run on the processor 1104, and the processor 1104 invokes the instructions or programs in the memory 1105 to execute the modules shown in FIG. 8 .
  • the processor 1104 is configured to: send the first PDSCH; the shown first PDSCH is used by the terminal to determine that the contention resolution is successful; the first PDSCH includes: at least one terminal contention resolution ID, and the at least one terminal contention resolution ID includes all The target terminal contention resolution ID of the terminal.
  • the network side determines that the contention resolution is successful by sending the target terminal contention resolution ID in at least one terminal contention resolution ID to the terminal; at least one terminal contention resolution ID can be implemented. If the corresponding at least one terminal determines that the contention is successfully resolved, it can be achieved that the at least one terminal has successfully resolved the contention at the same time, thereby reducing the access delay.
  • the processor 1104 is configured to: in the case of only receiving the HARQ-Ack resources of some terminals, re-send the first PDSCH to all or the part of the terminals; wherein, all the terminals are the network side All terminals that have transmitted the first PDSCH.
  • the first PDSCH includes: the PDSCH scheduled by the PDCCH scrambled by the TC-RNTI of the terminal.
  • the terminal contention resolution ID is included in the MAC sub PDU.
  • the first PDSCH further includes: first C-RNTI related information and/or first HARQ-Ack transmission resource related information;
  • the first C-RNTI related information and/or the first HARQ-Ack transmission resource related information is included in the MAC sub PDU.
  • all or part of the information contained in one of said MAC sub PDUs is associated.
  • the first PDSCH further includes: third indication information, which is used to instruct to continue to receive at least one MAC sub PDU containing the MAC SDU subsequently.
  • the MAC sub PDU transmitted by the first PDSCH includes an S field; the S field is used to indicate whether the subsequent MAC sub PDU is a MAC sub PDU including a MAC SDU.
  • the subsequent MAC sub PDU includes RRC signaling; the RRC signaling is associated with the first PDSCH of the sub PDU including the S domain.
  • the first PDSCH further includes at least one of the following: TA; power control command TPC; Channel access-CP extension indication.
  • the network side determines that the contention resolution is successful by sending the target terminal contention resolution ID in at least one terminal contention resolution ID to the terminal; at least one terminal contention resolution ID can be implemented. If the corresponding at least one terminal determines that the contention is successfully resolved, it can be achieved that the at least one terminal has successfully resolved the contention at the same time, thereby reducing the access delay.
  • the network-side device embodiments in the embodiments of the present application are product embodiments corresponding to the foregoing method embodiments, and all implementation manners in the foregoing method embodiments are applicable to the network-side device embodiments, and can also achieve the same or similar technologies effect, so it is not repeated here.
  • Embodiments of the present application further provide a readable storage medium, where a program or an instruction is stored on the readable storage medium, and when the program or instruction is executed by a processor, each process of the foregoing contention resolution method embodiment can be achieved, and can achieve the same In order to avoid repetition, the technical effect will not be repeated here.
  • the processor is the processor in the terminal described in the foregoing embodiment.
  • the readable storage medium includes a computer-readable storage medium, such as a computer read-only memory (Read-Only Memory, ROM), a random access memory (Random Access Memory, RAM), a magnetic disk or an optical disk, and the like.
  • An embodiment of the present application further provides a chip, where the chip includes a processor and a communication interface, the communication interface is coupled to the processor, and the processor is used to run a network-side device program or instruction to implement the above contention resolution method
  • the chip includes a processor and a communication interface
  • the communication interface is coupled to the processor
  • the processor is used to run a network-side device program or instruction to implement the above contention resolution method
  • the chip mentioned in the embodiments of the present application may also be referred to as a system-on-chip, a system-on-chip, a system-on-chip, or a system-on-a-chip, or the like.
  • the method of the above embodiment can be implemented by means of software plus a necessary general hardware platform, and of course can also be implemented by hardware, but in many cases the former is better implementation.
  • the technical solution of the present application can be embodied in the form of a software product in essence or in a part that contributes to the prior art, and the computer software product is stored in a storage medium (such as ROM/RAM, magnetic disk, CD-ROM), including several instructions to make a terminal (which may be a mobile phone, a computer, a server, or a network device, etc.) execute the methods described in the various embodiments of this application.
  • a storage medium such as ROM/RAM, magnetic disk, CD-ROM

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Abstract

The present application belongs to the field of communications. Disclosed are a contention resolution method and apparatus, a device, and a storage medium. Said method comprises: a terminal determining, on the basis of a first PDSCH sent by a network side, that contention resolution is successful, wherein the first PDSCH comprises at least one terminal contention resolution ID, and the at least one terminal contention resolution ID comprises a target terminal contention resolution ID of the terminal.

Description

竞争解决方法、装置、设备及存储介质Competitive Resolution Methods, Apparatus, Equipment and Storage Media
相关申请的交叉引用CROSS-REFERENCE TO RELATED APPLICATIONS
本申请主张在2021年01月14日在中国提交的中国专利申请号202110049718.X的优先权,其全部内容通过引用包含于此。This application claims priority to Chinese Patent Application No. 202110049718.X filed in China on Jan. 14, 2021, the entire contents of which are incorporated herein by reference.
技术领域technical field
本申请属于通信技术领域,具体涉及一种竞争解决方法、装置、设备及存储介质。The present application belongs to the field of communication technologies, and specifically relates to a method, apparatus, device and storage medium for resolving competition.
背景技术Background technique
对于竞争的随机接入过程,不同的终端随机选取随机接入前导码preamble进行传输,这样不同的终端可能在相同的资源上选取相同的preamble发送,触发竞争随机接入过程。For the competitive random access process, different terminals randomly select the random access preamble preamble for transmission, so that different terminals may select the same preamble on the same resource to send, triggering the competitive random access process.
相关技术中网络在一个消息Message 3物理上行共享信道(Physical Uplink Shared Channel,PUSCH)调度资源上只能解出一个终端发送的PUSCH,网络会在Message 4物理下行共享信道(Physical Downlink Shared Channel,PDSCH)中包含竞争解决的身份标识(Identity,ID)和终端在Message 3 PUSCH中发送的共同控制信道服务数据单元(Common Control Channel service Data Unit,CCCH SDU)匹配,则终端认为竞争解决成功,并将临时小区无线网络临时标识(Temporary Cell Radio Network Temporary Identifier,TC-RNTI)作为终端的小区无线网络临时标识(Cell Radio Network Temporary Identifier,C-RNTI)。如果不匹配,则认为竞争解决不成功。但此种竞争解决方案在用于PUSCH重复传输时,可能会增大终端接入时延。In the related art, the network can only solve the PUSCH sent by one terminal on a message Message 3 Physical Uplink Shared Channel (PUSCH) scheduling resource, and the network will use the Message 4 Physical Downlink Shared Channel (Physical Downlink Shared Channel, PDSCH) ) contains the contention resolution identity (Identity, ID) and the common control channel service data unit (Common Control Channel service Data Unit, CCCH SDU) sent by the terminal in the Message 3 PUSCH match, then the terminal considers that the competition resolution is successful, and will The temporary cell radio network temporary identifier (Temporary Cell Radio Network Temporary Identifier, TC-RNTI) is used as the cell radio network temporary identifier (Cell Radio Network Temporary Identifier, C-RNTI) of the terminal. If there is no match, the contention resolution is considered unsuccessful. However, when this kind of contention solution is used for PUSCH repeated transmission, the terminal access delay may be increased.
发明内容SUMMARY OF THE INVENTION
本申请实施例的目的是提供一种竞争解决方法、装置、设备及存储介质,能够实现至少一个终端同时竞争解决成功,减少了接入时延。The purpose of the embodiments of the present application is to provide a contention resolution method, apparatus, device, and storage medium, which can achieve successful contention resolution for at least one terminal at the same time, and reduce access delay.
第一方面,提供了一种竞争解决方法,该方法包括:终端基于网络侧发送的第一PDSCH,确定竞争解决成功;所述第一PDSCH包括:至少一个终端竞争解决ID,所述至少一个终端竞争解决ID包括所述终端的目标终端竞争解决ID。In a first aspect, a contention resolution method is provided. The method includes: a terminal determines that contention resolution is successful based on a first PDSCH sent by a network side; the first PDSCH includes: at least one terminal contention resolution ID, the at least one terminal The contention resolution ID includes the target terminal contention resolution ID of the terminal.
第二方面,提供了一种竞争解决方法,该方法包括:网络侧发送第一PDSCH;所示第一PDSCH用于终端确定竞争解决成功;所述第一PDSCH包括:至少一个终端竞争解决ID,所述至少一个终端竞争解决ID包括所述终端的目标终端竞争解决ID。In a second aspect, a contention resolution method is provided, the method includes: the network side sends a first PDSCH; the shown first PDSCH is used for the terminal to determine that the contention resolution is successful; the first PDSCH includes: at least one terminal contention resolution ID, The at least one terminal contention resolution ID includes a target terminal contention resolution ID of the terminal.
第三方面,提供了一种竞争解决装置,该装置包括:第一确定模块,用于基于网络侧发送的第一PDSCH,确定竞争解决成功;所述第一PDSCH包括:至少一个终端竞争解决ID,所述至少一个终端竞争解决ID包括所述终端的目标终端竞争解决ID。In a third aspect, a contention resolution apparatus is provided, the apparatus includes: a first determination module configured to determine success of contention resolution based on a first PDSCH sent by a network side; the first PDSCH includes: at least one terminal contention resolution ID , the at least one terminal contention resolution ID includes a target terminal contention resolution ID of the terminal.
第四方面,提供了一种竞争解决装置,该装置包括:第一发送模块,用于发送第一PDSCH;所示第一PDSCH用于终端确定竞争解决成功;所述第一PDSCH包括:至少一个终端竞争解决ID,所述至少一个终端竞争解决ID包括所述终端的目标终端竞争解决ID。In a fourth aspect, a contention resolution apparatus is provided, the apparatus includes: a first sending module, configured to send a first PDSCH; the shown first PDSCH is used for a terminal to determine that the contention resolution is successful; the first PDSCH includes: at least one A terminal contention resolution ID, the at least one terminal contention resolution ID includes a target terminal contention resolution ID of the terminal.
第五方面,提供了一种终端设备,该终端设备包括处理器、存储器及存储在所述存储器上并可在所述处理器上运行的程序或指令,所述程序或指令被所述处理器执行时实现如第一方面所述的方法的步骤。In a fifth aspect, a terminal device is provided, the terminal device includes a processor, a memory, and a program or instruction stored on the memory and executable on the processor, the program or instruction being executed by the processor When executed, the steps of the method as described in the first aspect are implemented.
第六方面,提供了一种网络侧设备,该网络侧设备包括处理器、存储器及存储在所述存储器上并可在所述处理器上运行的程序或指令,所述程序或指令被所述处理器执行时实现如第二方面所述的方法的步骤。In a sixth aspect, a network side device is provided, the network side device includes a processor, a memory, and a program or instruction stored on the memory and executable on the processor, the program or instruction being executed by the The processor implements the steps of the method as described in the second aspect when executed.
第七方面,提供了一种可读存储介质,所述可读存储介质上存储程序或指令,所述程序或指令被处理器执行时实现如第一方面所述的方法的步骤,或者实现如第二方面所述的方法的步骤。In a seventh aspect, a readable storage medium is provided, and a program or an instruction is stored on the readable storage medium, and when the program or instruction is executed by a processor, the steps of the method described in the first aspect, or the The steps of the method of the second aspect.
第八方面,提供了一种芯片,所述芯片包括处理器和通信接口,所述通信接口和所述处理器耦合,所述处理器用于运行设备程序或指令,实现如第一方面所述的方法,或实现如第二方面所述的方法。In an eighth aspect, a chip is provided, the chip includes a processor and a communication interface, the communication interface is coupled to the processor, and the processor is configured to run a device program or instruction to implement the first aspect method, or implementing the method as described in the second aspect.
在本申请实施例中,在支持Message 3重复传输的情况下,终端通过接收网络侧发送的至少一个终端竞争解决ID中的目标终端竞争解决ID,确定竞争解决成功;可以实现至少一个终端竞争解决ID对应的至少一个终端 确定竞争解决成功,可以实现至少一个终端同时竞争解决成功,减少了接入时延。In the embodiment of the present application, in the case of supporting the repeated transmission of Message 3, the terminal determines that the contention resolution is successful by receiving the target terminal contention resolution ID in at least one terminal contention resolution ID sent by the network side; at least one terminal contention resolution ID can be implemented; At least one terminal corresponding to the ID determines that the contention is successfully resolved, so that the at least one terminal can successfully resolve the contention at the same time, thereby reducing the access delay.
附图说明Description of drawings
图1是本申请实施例可应用的一种无线通信系统的框图;FIG. 1 is a block diagram of a wireless communication system to which an embodiment of the present application can be applied;
图2是本申请实施例提供的竞争解决方法的流程示意图之一;FIG. 2 is one of the schematic flowcharts of the competition resolution method provided by the embodiment of the present application;
图3是本申请实施例提供的媒体接入控制层子协议数据单元(Media Access Control Sub Protocol Data Unit,MAC sub PDU)格式的示意图之一;3 is one of the schematic diagrams of the media access control layer sub-protocol data unit (Media Access Control Sub Protocol Data Unit, MAC sub PDU) format provided by an embodiment of the present application;
图4是本申请实施例提供的MAC sub PDU格式的示意图之二;4 is the second schematic diagram of the MAC sub PDU format provided by the embodiment of the present application;
图5是本申请实施例提供的MAC sub PDU格式的示意图之三;5 is the third schematic diagram of the MAC sub PDU format provided by the embodiment of the present application;
图6是本申请实施例提供的竞争解决方法的流程示意图之二;FIG. 6 is the second schematic flowchart of the competition resolution method provided by the embodiment of the present application;
图7是本申请实施例提供的竞争解决装置的结构示意图之一;FIG. 7 is one of the schematic structural diagrams of the contention resolution apparatus provided by the embodiment of the present application;
图8是本申请实施例提供的竞争解决装置的结构示意图之二;FIG. 8 is a second schematic structural diagram of a contention resolution apparatus provided by an embodiment of the present application;
图9是本申请实施例提供的通信设备的结构示意图;9 is a schematic structural diagram of a communication device provided by an embodiment of the present application;
图10是本申请实施例提供的终端设备的硬件结构示意图;10 is a schematic diagram of a hardware structure of a terminal device provided by an embodiment of the present application;
图11是本申请实施例提供的网络侧设备的硬件结构示意图。FIG. 11 is a schematic diagram of a hardware structure of a network side device provided by an embodiment of the present application.
具体实施方式Detailed ways
下面将结合本申请实施例中的附图,对本申请实施例中的技术方案进行清楚地描述,显然,所描述的实施例是本申请一部分实施例,而不是全部的实施例。基于本申请中的实施例,本领域普通技术人员所获得的所有其他实施例,都属于本申请保护的范围。The technical solutions in the embodiments of the present application will be clearly described below with reference to the accompanying drawings in the embodiments of the present application. Obviously, the described embodiments are part of the embodiments of the present application, but not all of the embodiments. Based on the embodiments in this application, all other embodiments obtained by those of ordinary skill in the art fall within the protection scope of this application.
本申请的说明书和权利要求书中的术语“第一”、“第二”等是用于区别类似的对象,而不用于描述特定的顺序或先后次序。应该理解这样使用的术语在适当情况下可以互换,以便本申请的实施例能够以除了在这里图示或描述的那些以外的顺序实施,且“第一”、“第二”所区别的对象通常为一类,并不限定对象的个数,例如第一对象可以是一个,也可以是多个。此外,说明书以及权利要求中“和/或”表示所连接对象的至少其中之一,字符“/”一般表示前后关联对象是一种“或”的关系。The terms "first", "second" and the like in the description and claims of the present application are used to distinguish similar objects, and are not used to describe a specific order or sequence. It is to be understood that the terms so used are interchangeable under appropriate circumstances so that the embodiments of the present application can be practiced in sequences other than those illustrated or described herein, and that "first", "second" distinguishes Usually it is a class, and the number of objects is not limited. For example, the first object may be one or multiple. In addition, "and/or" in the description and claims indicates at least one of the connected objects, and the character "/" generally indicates that the associated objects are in an "or" relationship.
值得指出的是,本申请实施例所描述的技术不限于长期演进型(Long Term Evolution,LTE)/LTE的演进(LTE-Advanced,LTE-A)系统,还可用于其他无线通信系统,诸如码分多址(Code Division Multiple Access,CDMA)、时分多址(Time Division Multiple Access,TDMA)、频分多址(Frequency Division Multiple Access,FDMA)、正交频分多址(Orthogonal Frequency Division Multiple Access,OFDMA)、单载波频分多址(Single-carrier Frequency-Division Multiple Access,SC-FDMA)和其他系统。本申请实施例中的术语“系统”和“网络”常被可互换地使用,所描述的技术既可用于以上提及的系统和无线电技术,也可用于其他系统和无线电技术。以下描述出于示例目的描述了新空口(New Radio,NR)系统,并且在以下大部分描述中使用NR术语,但是这些技术也可应用于NR系统应用以外的应用,如第6代(6th Generation,6G)通信系统。It is worth noting that the technologies described in the embodiments of this application are not limited to Long Term Evolution (LTE)/LTE-Advanced (LTE-Advanced, LTE-A) systems, and can also be used in other wireless communication systems, such as code Division Multiple Access (Code Division Multiple Access, CDMA), Time Division Multiple Access (Time Division Multiple Access, TDMA), Frequency Division Multiple Access (Frequency Division Multiple Access, FDMA), Orthogonal Frequency Division Multiple Access (Orthogonal Frequency Division Multiple Access, OFDMA), Single-carrier Frequency-Division Multiple Access (SC-FDMA) and other systems. The terms "system" and "network" in the embodiments of the present application are often used interchangeably, and the described technology can be used not only for the above-mentioned systems and radio technologies, but also for other systems and radio technologies. The following description describes a New Radio (NR) system for example purposes, and uses NR terminology in most of the description below, but these techniques can also be applied to applications other than NR system applications, such as 6th Generation (6th Generation) , 6G) communication system.
图1是本申请实施例可应用的一种无线通信系统的框图。无线通信系统包括终端11和网络侧设备12。其中,终端11也可以称作终端设备或者用户终端(User Equipment,UE),终端11可以是手机、平板电脑(Tablet Personal Computer)、膝上型电脑(Laptop Computer)或称为笔记本电脑、个人数字助理(Personal Digital Assistant,PDA)、掌上电脑、上网本、超级移动个人计算机(ultra-mobile personal computer,UMPC)、移动上网装置(Mobile Internet Device,MID)、可穿戴式设备(Wearable Device)或车载设备(VUE)、行人终端(PUE)等终端侧设备,可穿戴式设备包括:手环、耳机、眼镜等。需要说明的是,在本申请实施例并不限定终端11的具体类型。网络侧设备12可以是基站或核心网,其中,基站可被称为节点B、演进节点B、接入点、基收发机站(Base Transceiver Station,BTS)、无线电基站、无线电收发机、基本服务集(Basic Service Set,BSS)、扩展服务集(Extended Service Set,ESS)、B节点、演进型B节点(eNB)、家用B节点、家用演进型B节点、WLAN接入点、WiFi节点、发送接收点(Transmitting Receiving Point,TRP)或所述领域中其他某个合适的术语,只要达到相同的技术效果,所述基站不限于特定技术词汇,需要说明的是,在本申请实施例中仅以NR系统中的基站为例,但是并不限定基站的具体类型。FIG. 1 is a block diagram of a wireless communication system to which an embodiment of the present application can be applied. The wireless communication system includes a terminal 11 and a network-side device 12 . The terminal 11 may also be called a terminal device or a user terminal (User Equipment, UE), and the terminal 11 may be a mobile phone, a tablet computer (Tablet Personal Computer), a laptop computer (Laptop Computer) or a notebook computer, a personal digital computer Assistant (Personal Digital Assistant, PDA), handheld computer, netbook, ultra-mobile personal computer (ultra-mobile personal computer, UMPC), mobile Internet device (Mobile Internet Device, MID), wearable device (Wearable Device) or vehicle-mounted device (VUE), pedestrian terminal (PUE) and other terminal-side devices, wearable devices include: bracelets, headphones, glasses, etc. It should be noted that, the embodiment of the present application does not limit the specific type of the terminal 11 . The network side device 12 may be a base station or a core network, wherein the base station may be referred to as a Node B, an evolved Node B, an access point, a Base Transceiver Station (BTS), a radio base station, a radio transceiver, a basic service Set (Basic Service Set, BSS), Extended Service Set (Extended Service Set, ESS), Node B, Evolved Node B (eNB), Home Node B, Home Evolved Node B, WLAN Access Point, WiFi Node, Send Transmitting Receiving Point (TRP) or some other suitable term in the field, as long as the same technical effect is achieved, the base station is not limited to specific technical terms. The base station in the NR system is taken as an example, but the specific type of the base station is not limited.
下面结合附图,通过一些实施例及其应用场景对本申请实施例提供的竞争解决方法进行详细地说明。The contention resolution method provided by the embodiments of the present application will be described in detail below through some embodiments and application scenarios with reference to the accompanying drawings.
图2是本申请实施例提供的竞争解决方法的流程示意图之一,如图2所示,该方法包括如下步骤:FIG. 2 is one of the schematic flowcharts of the contention resolution method provided by the embodiment of the present application. As shown in FIG. 2 , the method includes the following steps:
步骤200,终端基于网络侧发送的第一PDSCH,确定竞争解决成功; Step 200, the terminal determines that the contention is successfully resolved based on the first PDSCH sent by the network side;
所述第一PDSCH包括:至少一个终端竞争解决ID,所述至少一个终端竞争解决ID包括所述终端的目标终端竞争解决ID。The first PDSCH includes: at least one terminal contention resolution ID, and the at least one terminal contention resolution ID includes a target terminal contention resolution ID of the terminal.
可选地,对于竞争的随机接入过程,不同的终端随机选取preamble进行传输,这样不同的终端可能在相同的资源上选取相同的preamble发送,触发竞争随机接入过程。这种情况可以理解为终端的preamble冲突。这种情况下,不同的终端可以收到相同的随机接入响应(Random Access Response,RAR),则此时不同的终端会根据该随机接入响应上行授权资源(RAR Uplink Grant,RAR UL Grant)中的调度信息,进行Message 3 PUSCH的传输。Optionally, for the competitive random access process, different terminals randomly select the preamble for transmission, so that different terminals may select the same preamble on the same resource to send, triggering the competitive random access process. This situation can be understood as a preamble conflict of the terminal. In this case, different terminals can receive the same random access response (Random Access Response, RAR), then different terminals will respond to uplink grant resources (RAR Uplink Grant, RAR UL Grant) according to the random access at this time. The scheduling information in the message 3 PUSCH is transmitted.
可选地,如果支持Message 3重复传输,和/或,网络指示了Message 3 PUSCH重复传输,终端可以在多个时机occasion上进行PUSCH重复传输,则网络侧可以解出多个终端发送的Message 3 PUSCH。Optionally, if the repeated transmission of Message 3 is supported, and/or the network indicates the repeated transmission of Message 3 PUSCH, the terminal can perform repeated transmission of PUSCH on multiple occasions, and the network side can solve the Message 3 sent by multiple terminals. PUSCH.
可选地,在Message 3重复传输和/或Message 3 PUSCH重复传输的场景下,可以通过网络侧向终端发送一个或多个终端竞争解决ID,实现一个或多个可用的竞争解决同时成功。避免存在未竞争解决成功的终端只能进行新的随机接入信道(Random Access Channel,RACH)尝试的情况,进而降低了终端的功耗和接入时延,同时也避免了更多的RACH资源的占用。Optionally, in the scenario of repeated transmission of Message 3 and/or repeated transmission of Message 3 PUSCH, one or more terminal contention resolution IDs can be sent to the terminal through the network side, so that one or more available contention resolutions are successful at the same time. Avoid the situation that the terminal that has not successfully resolved the contention can only try a new Random Access Channel (RACH), thereby reducing the power consumption and access delay of the terminal, and avoiding more RACH resources. occupancy.
可选地,终端可以接收网络侧发送的第一PDSCH,获得第一PDSCH包括的至少一个终端竞争解决ID中的该终端对应的目标终端竞争解决ID,确定竞争解决成功。Optionally, the terminal may receive the first PDSCH sent by the network side, obtain the target terminal contention resolution ID corresponding to the terminal in at least one terminal contention resolution ID included in the first PDSCH, and determine that the contention resolution is successful.
可选地,多个终端可以接收网络侧发送的第一PDSCH,获得第一PDSCH包括的至少一个终端竞争解决ID中的这多个终端一一对应的目标终端竞争解决ID,进而这多个终端可以确定竞争解决成功。Optionally, multiple terminals may receive the first PDSCH sent by the network side, and obtain target terminal contention resolution IDs corresponding to the multiple terminals in the at least one terminal contention resolution ID included in the first PDSCH. Competitive resolution can be determined to be successful.
在本申请实施例中,在支持Message 3重复传输的情况下,终端通过接收网络侧发送的至少一个终端竞争解决ID中的目标终端竞争解决ID,确定竞争解决成功;可以实现至少一个终端竞争解决ID对应的至少一个终端确定竞争解决成功,可以实现至少一个终端同时竞争解决成功,减少了接入时延。In the embodiment of the present application, in the case of supporting the repeated transmission of Message 3, the terminal determines that the contention resolution is successful by receiving the target terminal contention resolution ID in at least one terminal contention resolution ID sent by the network side; at least one terminal contention resolution ID can be implemented; At least one terminal corresponding to the ID determines that the contention is successfully resolved, so that the at least one terminal can successfully resolve the contention at the same time, thereby reducing the access delay.
可选地,所述第一PDSCH包括:所述终端的TC-RNTI加扰的PDCCH调度的PDSCH。Optionally, the first PDSCH includes: the PDSCH scheduled by the PDCCH scrambled by the TC-RNTI of the terminal.
可选地,终端从网络侧接收的第一PDSCH可以是该终端的TC-RNTI加扰的PDCCH调度的PDSCH。Optionally, the first PDSCH received by the terminal from the network side may be the PDSCH scheduled by the PDCCH scrambled by the terminal's TC-RNTI.
可选地,终端从网络侧接收的第一PDSCH可以是Message 4。Optionally, the first PDSCH received by the terminal from the network side may be Message 4.
可选地,所述终端竞争解决ID包含在MAC sub PDU中。Optionally, the terminal contention resolution ID is included in the MAC sub PDU.
可选地,终端竞争解决ID可以包含在MAC sub PDU中进行传输。Optionally, the terminal contention resolution ID may be included in the MAC sub PDU for transmission.
可选地,不同的MAC sub PDU包含的信息可以不同。Optionally, the information contained in different MAC sub PDUs may be different.
可选地,所述基于网络侧发送的第一PDSCH,确定竞争解决成功,包括:Optionally, determining that the contention is successfully resolved based on the first PDSCH sent by the network side includes:
若第一PDSCH的目标子协议数据单元(Sub Protocol Data Unit,sub PDU)中包括所述终端的目标终端竞争解决ID,则确定所述终端竞争解决成功;If the target sub-protocol data unit (Sub Protocol Data Unit, sub PDU) of the first PDSCH includes the target terminal contention resolution ID of the terminal, it is determined that the terminal contention is successfully resolved;
所述目标终端竞争解决ID与所述终端在Message 3的CCCH SDU匹配。The target terminal contention resolution ID matches the CCCH SDU of the terminal in Message 3.
可选地,网络侧可以在第一PDSCH比如Message 4 PDSCH中包含终端竞争解决ID,若接收到第一PDSCH的终端确定其中包含该终端对应的目标终端竞争解决ID,即其中包含与该终端在Message 3 PUSCH中发送的CCCH SDU匹配的终端竞争解决ID,则该终端可以认为竞争解决成功。如果没有匹配的终端竞争解决ID,则终端可以认为竞争解决不成功。Optionally, the network side may include the terminal contention resolution ID in the first PDSCH such as Message 4 PDSCH, if the terminal receiving the first PDSCH determines that it contains the target terminal contention resolution ID corresponding to the terminal, that is, it contains the target terminal contention resolution ID corresponding to the terminal. Message 3 If the CCCH SDU sent in the PUSCH matches the terminal contention resolution ID, the terminal can consider that the contention resolution is successful. If there is no matching terminal contention resolution ID, the terminal may consider the contention resolution unsuccessful.
需要说明的是,对于某一个终端,包含有该终端的目标竞争解决ID的sub PDU即为该终端的目标sub PDU,即目标sub PDU与终端是对应关系。It should be noted that, for a certain terminal, the sub PDU containing the target contention resolution ID of the terminal is the target sub PDU of the terminal, that is, the target sub PDU has a corresponding relationship with the terminal.
需要说明的是,对于某一个终端,该终端的目标终端竞争解决ID可以是所述终端在Message 3的CCCH SDU相匹配的终端竞争解决ID;即目标终端竞争解决ID与终端是一一对应的。It should be noted that, for a certain terminal, the target terminal contention resolution ID of the terminal may be the terminal contention resolution ID matched by the terminal in the CCCH SDU of Message 3; that is, the target terminal contention resolution ID and the terminal are in one-to-one correspondence. .
可选地,一个Message 4 PDSCH中,可以包含多个MAC sub PDU,对应于不同终端确定竞争解决所用到的相关信息,终端可以对多个MAC sub PDU进行解码,如果解到和自身发送的Message 3 CCCH SDU匹配的终端竞争解决ID,则认为竞争解决成功,即网络可以在一个Message 4 PDSCH中通给给多个用户发送竞争解决ID,多个用户如果都正确接收了Message 4 PDSCH的媒体接入控制层协议数据单元(Media Access Control sub  Protocol Data Unit,MAC PDU),则可以同时竞争解决成功。Optionally, a Message 4 PDSCH can contain multiple MAC sub PDUs, corresponding to the relevant information used by different terminals to determine contention resolution, and the terminal can decode multiple MAC sub PDUs. 3 The terminal contention resolution ID matched by the CCCH SDU is considered to be successful, that is, the network can send the contention resolution ID to multiple users in one Message 4 PDSCH. Into the control layer protocol data unit (Media Access Control sub Protocol Data Unit, MAC PDU), the contention can be resolved successfully at the same time.
本申请实施例中,每个终端可以在自身对应的目标sub PDU获取自身对应的目标终端竞争解决ID,进而确定竞争解决成功,以此帮助实现多个终端同时竞争解决成功。In the embodiment of the present application, each terminal can obtain its own corresponding target terminal contention resolution ID from its own corresponding target sub PDU, and then determine the successful contention resolution, thereby helping multiple terminals to achieve successful contention resolution at the same time.
可选地,所述第一PDSCH还包括:第一C-RNTI相关信息和/或第一混合自动重传请求确认(Hybrid Automatic Repeat request-Acknowledgement,HARQ-Ack)传输资源相关信息;Optionally, the first PDSCH further includes: first C-RNTI related information and/or first hybrid automatic repeat request acknowledgment (Hybrid Automatic Repeat request-Acknowledgement, HARQ-Ack) transmission resource related information;
其中,所述第一C-RNTI相关信息和/或第一混合自动重传请求确认HARQ-Ack传输资源相关信息包含在MAC sub PDU中。Wherein, the first C-RNTI related information and/or the first HARQ-Ack transmission resource related information is included in the MAC sub PDU.
可选地,第一PDSCH还可以包括:第一C-RNTI相关信息,用于终端确定其的C-RNTI。Optionally, the first PDSCH may further include: first C-RNTI related information, which is used by the terminal to determine its C-RNTI.
可选地,第一PDSCH还可以包括:第一HARQ-Ack传输资源;用于终端确定其C-RNTI,即用于终端确定其对应的传输第一PDSCH的HARQ-Ack的目标物理上行控制信道(Physical Uplink Control Channel,PUCCH)传输资源。Optionally, the first PDSCH may further include: a first HARQ-Ack transmission resource; for the terminal to determine its C-RNTI, that is, for the terminal to determine its corresponding target physical uplink control channel for transmitting the HARQ-Ack of the first PDSCH (Physical Uplink Control Channel, PUCCH) transmission resources.
可选地,第一HARQ-Ack传输资源相关信息可以包括:HARQ-Ack传输资源,和/或,HARQ-Ack反馈时间偏移K1。Optionally, the first HARQ-Ack transmission resource related information may include: HARQ-Ack transmission resources, and/or HARQ-Ack feedback time offset K1.
可选地,第一C-RNTI相关信息和/或第一HARQ-Ack传输资源相关信息可以和终端竞争解决ID一起包含在MAC sub PDU中。Optionally, the first C-RNTI related information and/or the first HARQ-Ack transmission resource related information may be included in the MAC sub PDU together with the terminal contention resolution ID.
可选地,第一C-RNTI相关信息可以直接是C-RNTI的全部信息,例如16比特信息,也可以是指示C-RNTI的指示信息。Optionally, the first C-RNTI related information may directly be all information of the C-RNTI, for example, 16-bit information, or may be indication information indicating the C-RNTI.
可选地,第一HARQ-Ack传输资源相关信息可以直接是终端对应的传输第一PDSCH的HARQ-Ack的目标PUCCH传输资源或资源索引值。Optionally, the information related to the first HARQ-Ack transmission resource may directly be a target PUCCH transmission resource or a resource index value corresponding to the terminal for transmitting the HARQ-Ack of the first PDSCH.
以第一PDSCH为Message 4,图3是本申请实施例提供的MAC sub PDU格式的示意图之一,如图3所示,图3示出了一种Message 4的MAC sub PDU的格式,其中包括一个MAC子报头sub header和48比特的终端竞争解决ID域,共包含一个终端竞争解决ID。Taking the first PDSCH as Message 4, Fig. 3 is one of the schematic diagrams of the MAC sub PDU format provided by the embodiment of the present application, as shown in Fig. 3, Fig. 3 shows a format of the MAC sub PDU of a kind of Message 4, which includes A MAC subheader sub header and a 48-bit terminal contention resolution ID field contain a total terminal contention resolution ID.
如果需要在MAC sub PDU中包含其他信息,则需要扩展MAC sub PDU的格式。以第一PDSCH包括第一C-RNTI相关信息、第一HARQ-Ack传输资源相关信息、和定时提前(Timing Advance,TA)指示信息为例,图4是本申请实施例提供的MAC sub PDU格式的示意图之二,如图4所示,在图3的MAC sub PDU格式的基础上,可进一步包含第一C-RNTI相关信息、第一HARQ-Ack传输资源相关信息、和TA指示信息,或者上述信息中的部分信息。If additional information needs to be included in the MAC sub PDU, the format of the MAC sub PDU needs to be extended. Taking the first PDSCH including the first C-RNTI related information, the first HARQ-Ack transmission resource related information, and the timing advance (Timing Advance, TA) indication information as an example, FIG. 4 is the MAC sub PDU format provided by the embodiment of the present application. The second schematic diagram, as shown in Figure 4, on the basis of the MAC sub PDU format of Figure 3, may further include the first C-RNTI related information, the first HARQ-Ack transmission resource related information, and TA indication information, or Some of the above information.
可选地,对于不同的MAC sub PDU格式,可以使用不同的逻辑信道ID进行区分。Optionally, for different MAC sub PDU formats, different logical channel IDs can be used to distinguish.
可选地,包含在一个所述MAC sub PDU中的所有或部分信息相关联。Optionally, all or part of the information contained in one of said MAC sub PDUs is associated.
可选地,第一C-RNTI相关信息和/或第一HARQ-Ack传输资源相关信息可以和终端竞争解决ID一起包含在MAC sub PDU中时,包含在同一个MAC sub PDU中的信息可以是相关联的。Optionally, when the first C-RNTI related information and/or the first HARQ-Ack transmission resource related information may be included in the MAC sub PDU together with the terminal contention resolution ID, the information included in the same MAC sub PDU may be: associated.
可选地,第一C-RNTI相关信息和终端竞争解决ID一起包含在MAC sub PDU中时,该第一C-RNTI相关信息和该终端竞争解决ID可以均与同一个终端对应。Optionally, when the first C-RNTI related information and the terminal contention resolution ID are included in the MAC sub PDU together, the first C-RNTI related information and the terminal contention resolution ID may both correspond to the same terminal.
可选地,第一HARQ-Ack传输资源相关信息和终端竞争解决ID一起包含在MAC sub PDU中时,该第一HARQ-Ack传输资源相关信息和该终端竞争解决ID可以均与同一个终端对应。Optionally, when the first HARQ-Ack transmission resource-related information and the terminal contention resolution ID are included in the MAC sub PDU together, the first HARQ-Ack transmission resource-related information and the terminal contention resolution ID may both correspond to the same terminal. .
可选地,第一HARQ-Ack传输资源相关信息和第一C-RNTI相关信息和终端竞争解决ID一起包含在MAC sub PDU中时,该第一HARQ-Ack传输资源相关信息和第一C-RNTI相关信息和终端竞争解决ID可以均与同一个终端对应。Optionally, when the first HARQ-Ack transmission resource related information and the first C-RNTI related information and the terminal contention resolution ID are included in the MAC sub PDU together, the first HARQ-Ack transmission resource related information and the first C- Both the RNTI related information and the terminal contention resolution ID may correspond to the same terminal.
可选地,所述方法还包括:Optionally, the method further includes:
确定终端的C-RNTI。Determine the C-RNTI of the terminal.
可选地,终端基于其对应的目标终端竞争解决ID确定竞争解决后,可以进一步确定终端的C-RNTI。Optionally, after the terminal determines the contention resolution based on the contention resolution ID of the corresponding target terminal, the terminal may further determine the C-RNTI of the terminal.
可选地,所述确定终端的C-RNTI,包括:Optionally, the determining the C-RNTI of the terminal includes:
基于第一PDSCH中所述目标sub PDU所在MAC-PDU的顺序,确定所述终端的C-RNTI。The C-RNTI of the terminal is determined based on the order of the MAC-PDU in the first PDSCH where the target sub PDU is located.
可选地,在确定终端的C-RNTI时,可以基于第一PDSCH中该终端的目标sub PDU在PDSCH中的顺序, 确定所述终端的C-RNTI。Optionally, when determining the C-RNTI of the terminal, the C-RNTI of the terminal may be determined based on the order of the target sub PDUs of the terminal in the first PDSCH in the PDSCH.
可选地,在未定义第一PDSCH中包含第一C-RNTI相关信息的情况下,或在定义第一PDSCH中包含第一C-RNTI相关信息,且所述目标sub PDU包括或不包括第一C-RNTI相关信息的情况下,均可以基于第一PDSCH中所述目标sub PDU所在MAC-PDU的顺序,确定所述终端的C-RNTI。Optionally, if the first PDSCH is not defined to include the first C-RNTI related information, or the first PDSCH is defined to include the first C-RNTI related information, and the target sub PDU includes or does not include the first C-RNTI related information. In the case of a C-RNTI related information, the C-RNTI of the terminal may be determined based on the order of the MAC-PDU in the first PDSCH where the target sub PDU is located.
需要说明的是,小区无线网络临时标识(Cell–Radio Network Temporary Identifier,C-RNTI),是由基站分配给终端的动态标识。C-RNTI唯一标识了一个小区空口下的终端,且只有处于连接态下的终端,C-RNTI才有效。It should be noted that the Cell-Radio Network Temporary Identifier (C-RNTI) is a dynamic identifier allocated by the base station to the terminal. The C-RNTI uniquely identifies the terminal under the air interface of a cell, and the C-RNTI is valid only for the terminal in the connected state.
本申请实施例中,由于至少一个终端的目标sub PDU不同,则至少一个终端对应的目标sub PDU所在MAC-PDU的顺序也不同,因此基于目标sub PDU所在MAC-PDU的顺序,确定所述终端的C-RNTI时,不同的终端可以基于不同的目标sub PDU的顺序确定出各自一一对应的不同的C-RNTI,保证了终端的C-RNTI的唯一性。In the embodiment of the present application, since the target sub PDUs of at least one terminal are different, the order of the MAC-PDUs where the target sub PDUs corresponding to at least one terminal are located is also different. Therefore, the terminal is determined based on the order of the MAC-PDUs where the target sub PDUs are located. When different C-RNTIs are assigned, different terminals can determine different C-RNTIs in one-to-one correspondence based on the sequence of different target sub PDUs, which ensures the uniqueness of the C-RNTIs of the terminals.
可选地,所述基于第一PDSCH中所述目标sub PDU所在MAC-PDU的顺序,确定所述终端的C-RNTI,包括:Optionally, the determining the C-RNTI of the terminal based on the order of the MAC-PDU where the target sub PDU is located in the first PDSCH includes:
若所述目标sub PDU为第一PDSCH中的第1个MAC sub PDU,则确定终端的TC-RNTI作为终端的C-RNTI。If the target sub PDU is the first MAC sub PDU in the first PDSCH, determine the TC-RNTI of the terminal as the C-RNTI of the terminal.
可选地,对于一个终端,如果该终端确定其对应的目标sub PDU为其收到的第一PDSCH中的第1个MAC sub PDU,则可以将该终端已有的TC-RNTI作为该终端的C-RNTI。Optionally, for a terminal, if the terminal determines that its corresponding target sub PDU is the first MAC sub PDU in the first PDSCH it receives, the existing TC-RNTI of the terminal can be used as the terminal's TC-RNTI. C-RNTI.
可选地,所述基于第一PDSCH中所述目标sub PDU所在MAC-PDU的顺序,确定所述终端的C-RNTI,包括:Optionally, the determining the C-RNTI of the terminal based on the order of the MAC-PDU where the target sub PDU is located in the first PDSCH includes:
若所述目标sub PDU为第一PDSCH中的第X个MAC sub PDU,则基于X确定所述终端的C-RNTI;其中,X大于或等于1且X为整数。If the target sub PDU is the X th MAC sub PDU in the first PDSCH, the C-RNTI of the terminal is determined based on X; where X is greater than or equal to 1 and X is an integer.
可选地,对于一个终端,如果该终端确定其对应的目标sub PDU为其收到的第一PDSCH中的第X个MAC sub PDU,则可以基于X确定该终端的C-RNTI。Optionally, for a terminal, if the terminal determines that its corresponding target sub PDU is the Xth MAC sub PDU in the first PDSCH it receives, the C-RNTI of the terminal can be determined based on X.
可选地,所述基于X确定所述终端的C-RNTI,包括:Optionally, the determining the C-RNTI of the terminal based on X includes:
基于Y对所述终端的TC-RNTI进行计算,获得所述终端的C-RNTI;Calculate the TC-RNTI of the terminal based on Y to obtain the C-RNTI of the terminal;
其中,所述Y基于所述X确定。wherein the Y is determined based on the X.
可选地,可以基于X确定Y,再基于Y对终端已有的TC-RNTI进行计算,获得该终端的C-RNTI。Optionally, Y may be determined based on X, and then the existing TC-RNTI of the terminal may be calculated based on Y to obtain the C-RNTI of the terminal.
可选地,Y可以与X相等;Optionally, Y can be equal to X;
可选地,Y可以等于X加1;Optionally, Y may be equal to X plus 1;
需要说明的是,Y与X是一一对应的,一个X值不与多个Y对应,一个Y值也不与多个X对应,以此保证计算获得的终端的C-RNTI的唯一性。It should be noted that Y and X are in one-to-one correspondence, one X value does not correspond to multiple Ys, and one Y value does not correspond to multiple Xs, so as to ensure the uniqueness of the calculated C-RNTI of the terminal.
可选地,所述基于Y对所述终端的TC-RNTI进行计算,获得所述终端的C-RNTI,包括:Optionally, calculating the TC-RNTI of the terminal based on Y to obtain the C-RNTI of the terminal, including:
将所述终端的TC-RNTI对应的十进制数与Y相加,获得所述终端的C-RNTI对应的十进制数。The decimal number corresponding to the TC-RNTI of the terminal is added to Y to obtain the decimal number corresponding to the C-RNTI of the terminal.
可选地,可以将终端已有的TC-RNTI对应的十进制数与Y相加,再转换为2进制比特序列,作为该终端的C-RNTI。可选地,所述基于Y对所述终端的TC-RNTI进行计算,获得所述终端的C-RNTI,包括:Optionally, the decimal number corresponding to the existing TC-RNTI of the terminal may be added to Y, and then converted into a binary bit sequence, which is used as the C-RNTI of the terminal. Optionally, calculating the TC-RNTI of the terminal based on Y to obtain the C-RNTI of the terminal, including:
对所述终端的TC-RNTI进行Y位位置循环位移,获得所述终端的C-RNTI。Perform a Y-bit position cyclic shift on the TC-RNTI of the terminal to obtain the C-RNTI of the terminal.
可选地,可以对终端已有的TC-RNTI进行Y位循环,获得终端的C-RNTI。Optionally, Y-bit rotation may be performed on the existing TC-RNTI of the terminal to obtain the C-RNTI of the terminal.
可选地,在所述目标sub PDU包括第一C-RNTI相关信息的情况下,所述确定终端的C-RNTI,包括:Optionally, in the case that the target sub PDU includes the first C-RNTI related information, the determining the C-RNTI of the terminal includes:
基于所述目标sub PDU中的第一C-RNTI相关信息,确定终端的C-RNTI。Based on the first C-RNTI related information in the target sub PDU, the C-RNTI of the terminal is determined.
可选地,在所述目标sub PDU包括第一C-RNTI相关信息的情况下,可以基于目标sub PDU中的第一C-RNTI相关信息,确定终端的C-RNTI。Optionally, in the case that the target sub PDU includes the first C-RNTI related information, the C-RNTI of the terminal may be determined based on the first C-RNTI related information in the target sub PDU.
可选地,若可以仅基于第一C-RNTI相关信息,确定终端的C-RNTI,则终端可以丢弃已有的TC-RNTI。Optionally, if the C-RNTI of the terminal can be determined only based on the first C-RNTI related information, the terminal can discard the existing TC-RNTI.
可选地,所述确定终端的C-RNTI,包括:Optionally, the determining the C-RNTI of the terminal includes:
基于所述目标sub PDU中MAC sub header中的第二C-RNTI相关信息,确定终端的C-RNTI。Based on the second C-RNTI related information in the MAC sub header in the target sub PDU, the C-RNTI of the terminal is determined.
可选地,在所述目标sub PDU包括第一C-RNTI相关信息的情况下,第一C-RNTI相关信息可以包括目标sub PDU中MAC sub header中的第二C-RNTI相关信息,可以基于所述目标sub PDU中MAC sub header中的第二 C-RNTI相关信息,确定终端的C-RNTI;Optionally, in the case where the target sub PDU includes the first C-RNTI related information, the first C-RNTI related information may include the second C-RNTI related information in the MAC sub header in the target sub PDU, which may be based on The second C-RNTI related information in the MAC sub header in the target sub PDU determines the C-RNTI of the terminal;
可选地,在所述目标sub PDU不包括或未定义第一C-RNTI相关信息的情况下,可以直接基于目标sub PDU中MAC sub header中的第二C-RNTI相关信息,确定终端的C-RNTI。Optionally, when the target sub PDU does not include or does not define the first C-RNTI related information, the C-RNTI related information of the terminal can be determined directly based on the second C-RNTI related information in the MAC sub header in the target sub PDU. -RNTI.
可选地,所述第二C-RNTI相关信息包括以下至少一项:Optionally, the second C-RNTI related information includes at least one of the following:
格式format信息;MAC sub header长度信息;媒体接入控制层服务数据单元(Media Access Control service Data Unit)MAC SDU长度信息;媒体接入控制层控制信息(Media Access Control Control Element,MAC-CE)的长度信息;和逻辑信道ID。format information; MAC sub header length information; media access control layer service data unit (Media Access Control service Data Unit) MAC SDU length information; media access control layer control information (Media Access Control Control Element, MAC-CE) length information; and a logical channel ID.
可选地,第二C-RNTI相关信息可以包括但不限于以下至少一项:Optionally, the second C-RNTI related information may include but is not limited to at least one of the following:
format信息;format information;
MAC sub header长度信息;MAC sub header length information;
MAC SDU长度信息;MAC SDU length information;
MAC-CE长度信息;MAC-CE length information;
逻辑信道ID。Logical channel ID.
可选地,所述方法还包括:Optionally, the method further includes:
确定所述终端对应的传输所述第一PDSCH的HARQ-Ack的目标PUCCH传输资源。Determine the target PUCCH transmission resource corresponding to the terminal for transmitting the HARQ-Ack of the first PDSCH.
可选地,终端基于其对应的目标终端竞争解决ID确定竞争解决后,可以进一步确定终端对应的传输所述第一PDSCH的HARQ-Ack的目标PUCCH传输资源。Optionally, after the terminal determines the contention resolution based on its corresponding target terminal contention resolution ID, the terminal may further determine the target PUCCH transmission resource corresponding to the terminal for transmitting the HARQ-Ack of the first PDSCH.
可选地,所述确定所述终端对应的传输所述第一PDSCH的HARQ-Ack的目标PUCCH传输资源,包括:Optionally, the determining the target PUCCH transmission resource corresponding to the terminal for transmitting the HARQ-Ack of the first PDSCH includes:
基于第一PDSCH中所述目标sub PDU所在MAC-PDU的顺序,确定所述目标PUCCH传输资源。The target PUCCH transmission resource is determined based on the order of the MAC-PDU in the first PDSCH where the target sub PDU is located.
可选地,在确定终端对应的传输所述第一PDSCH的HARQ-Ack的目标PUCCH传输资源时,可以基于第一PDSCH中该终端的目标sub PDU在PDSCH中的顺序,确定所述终端对应的传输所述第一PDSCH的HARQ-Ack的目标PUCCH传输资源。Optionally, when determining the target PUCCH transmission resource corresponding to the terminal for transmitting the HARQ-Ack of the first PDSCH, the target sub PDU of the terminal in the first PDSCH may be determined based on the order of the terminal's target sub PDU in the PDSCH. The target PUCCH transmission resource for transmitting the HARQ-Ack of the first PDSCH.
可选地,在未定义第一PDSCH中包含第一HARQ-Ack传输资源相关信息的情况下,或在定义第一PDSCH中包含第一HARQ-Ack传输资源相关信息,且在所述目标sub PDU包括或不包括第一HARQ-Ack传输资源相关信息的情况下,均可以基于第一PDSCH中所述目标sub PDU所在MAC-PDU的顺序,确定所述终端对应的传输所述第一PDSCH的HARQ-Ack的目标PUCCH传输资源。Optionally, in the case where the first PDSCH is not defined to include the first HARQ-Ack transmission resource related information, or the first PDSCH is defined to include the first HARQ-Ack transmission resource related information, and in the target sub PDU In the case of including or not including the information related to the first HARQ-Ack transmission resource, the HARQ corresponding to the terminal for transmitting the first PDSCH may be determined based on the order of the MAC-PDU in the first PDSCH where the target sub PDU is located. - Target PUCCH transmission resource for Ack.
本申请实施例中,由于至少一个终端的目标sub PDU不同,则至少一个终端对应的目标sub PDU所在MAC-PDU的顺序也不同,因此基于目标sub PDU所在MAC-PDU的顺序,确定所述目标PUCCH传输资源时,不同的终端可以基于不同的目标sub PDU的顺序确定出各自一一对应的不同的目标PUCCH传输资源,保证了目标PUCCH传输资源的唯一性,以及可以与终端的C-RNTI相对应。In the embodiment of the present application, since the target sub PDUs of at least one terminal are different, the order of the MAC-PDUs where the target sub PDUs corresponding to at least one terminal are located is also different. Therefore, based on the order of the MAC-PDUs where the target sub PDUs are located, the target When PUCCH transmission resources are used, different terminals can determine different target PUCCH transmission resources corresponding to each other based on the sequence of different target sub PDUs, which ensures the uniqueness of the target PUCCH transmission resources and can be correlated with the C-RNTI of the terminal. correspond.
可选地,所述基于第一PDSCH中所述目标sub PDU所在MAC-PDU的顺序,确定所述目标PUCCH传输资源,包括:Optionally, determining the target PUCCH transmission resource based on the order of the MAC-PDU where the target sub PDU is located in the first PDSCH includes:
若所述目标sub PDU为第一PDSCH中的第1个MAC sub PDU,则确定终端的TC-RNTI加扰的PDCCH指示的PUCCH资源为所述目标PUCCH传输资源。If the target sub PDU is the first MAC sub PDU in the first PDSCH, it is determined that the PUCCH resource indicated by the PDCCH scrambled by the TC-RNTI of the terminal is the target PUCCH transmission resource.
可选地,对于一个终端,如果该终端确定其对应的目标sub PDU为其收到的第一PDSCH中的第1个MAC sub PDU,则可以将该终端的TC-RNTI加扰的PDCCH指示的PUCCH资源作为该终端对应的目标PUCCH传输资源。Optionally, for a terminal, if the terminal determines that its corresponding target sub PDU is the 1st MAC sub PDU in the first PDSCH it receives, it can be indicated by the PDCCH scrambled by the TC-RNTI of the terminal. The PUCCH resource is used as the target PUCCH transmission resource corresponding to the terminal.
可选地,所述基于第一PDSCH中所述目标sub PDU所在MAC-PDU的顺序,确定所述目标PUCCH传输资源,包括:Optionally, determining the target PUCCH transmission resource based on the order of the MAC-PDU where the target sub PDU is located in the first PDSCH includes:
若所述目标sub PDU为第一PDSCH中的第Z个MAC sub PDU,则基于Z确定所述目标PUCCH传输资源;其中,Z大于或等于1且Z为整数。If the target sub PDU is the Z-th MAC sub PDU in the first PDSCH, the target PUCCH transmission resource is determined based on Z; wherein, Z is greater than or equal to 1 and Z is an integer.
可选地,对于一个终端,如果该终端确定其对应的目标sub PDU为其收到的第一PDSCH中的第X个MAC sub PDU,则可以基于Z确定该终端对应的目标PUCCH传输资源。Optionally, for a terminal, if the terminal determines that its corresponding target sub PDU is the X-th MAC sub PDU in the first PDSCH it receives, the target PUCCH transmission resource corresponding to the terminal may be determined based on Z.
可选地,基于Z确定该终端对应的目标PUCCH传输资源时,可以首选基于Z获得该终端对应的目标PUCCH传输资源的索引值,进而获得该终端对应的目标PUCCH传输资源。Optionally, when determining the target PUCCH transmission resource corresponding to the terminal based on Z, it may be preferred to obtain the index value of the target PUCCH transmission resource corresponding to the terminal based on Z, and then obtain the target PUCCH transmission resource corresponding to the terminal.
可选地,所述基于Z确定所述目标PUCCH传输资源,包括:Optionally, the determining the target PUCCH transmission resource based on Z includes:
基于Z对所述终端的TC-RNTI加扰的PDCCH指示的PUCCH资源进行计算,获得所述目标PUCCH传输资源。The target PUCCH transmission resource is obtained by calculating the PUCCH resource indicated by the PDCCH scrambled by the TC-RNTI of the terminal based on Z.
可选地,可以基于Z对终端的TC-RNTI加扰的PDCCH指示的PUCCH资源进行计算,获得该终端对应的目标PUCCH传输资源的索引值,进而获得该终端对应的目标PUCCH传输资源。Optionally, the PUCCH resource indicated by the PDCCH scrambled by the TC-RNTI of the terminal may be calculated based on Z to obtain the index value of the target PUCCH transmission resource corresponding to the terminal, and then obtain the target PUCCH transmission resource corresponding to the terminal.
可选地,所述基于Z对所述终端的TC-RNTI加扰的PDCCH指示的PUCCH资源进行计算,获得所述目标PUCCH传输资源,包括:Optionally, calculating the PUCCH resource indicated by the PDCCH scrambled by the TC-RNTI of the terminal based on Z to obtain the target PUCCH transmission resource includes:
将所述终端的TC-RNTI加扰的PDCCH指示的PUCCH资源的索引值与Z相加,获得所述目标PUCCH传输资源。The target PUCCH transmission resource is obtained by adding the index value of the PUCCH resource indicated by the PDCCH scrambled by the TC-RNTI of the terminal to Z.
可选地,可以将终端的TC-RNTI加扰的PDCCH指示的PUCCH资源的索引值与Z相加,获得该终端对应的目标PUCCH传输资源的索引值,进而获得该终端对应的目标PUCCH传输资源。Optionally, the index value of the PUCCH resource indicated by the PDCCH scrambled by the TC-RNTI of the terminal may be added to Z to obtain the index value of the target PUCCH transmission resource corresponding to the terminal, and then the target PUCCH transmission resource corresponding to the terminal may be obtained. .
可选地,所述基于Z对所述终端的TC-RNTI加扰的PDCCH指示的PUCCH资源进行计算,获得所述目标PUCCH传输资源,包括:Optionally, calculating the PUCCH resource indicated by the PDCCH scrambled by the TC-RNTI of the terminal based on Z to obtain the target PUCCH transmission resource includes:
基于所述终端的TC-RNTI加扰的PDCCH指示的PUCCH资源的索引值与Z相加后与第一预设值作除法运算后的余数,确定所述目标PUCCH传输资源;所述第一预设值是预配置的或者协议预定义的。The target PUCCH transmission resource is determined based on the remainder after the index value of the PUCCH resource indicated by the PDCCH scrambled by the TC-RNTI of the terminal is added to Z and divided by the first preset value, and the target PUCCH transmission resource is determined; The settings are either preconfigured or predefined by the protocol.
可选地,可以将终端的TC-RNTI加扰的PDCCH指示的PUCCH资源的索引值与Z相加,然后与第一预设值作除法运算后的余数,作为该终端对应的目标PUCCH传输资源的索引值,进而获得该终端对应的目标PUCCH传输资源。Optionally, the index value of the PUCCH resource indicated by the PDCCH scrambled by the TC-RNTI of the terminal can be added to Z, and then the remainder after division with the first preset value can be used as the target PUCCH transmission resource corresponding to the terminal. to obtain the target PUCCH transmission resource corresponding to the terminal.
可选地,第一预设值可以是16。Optionally, the first preset value may be 16.
可选地,第一预设值的取值范围可以是大于1的正整数;Optionally, the value range of the first preset value may be a positive integer greater than 1;
可选地,第一预设值的取值范围可以是第一预设值大于或等于2,且第一预设值小于或等于16,且第一预设值为正整数。Optionally, the value range of the first preset value may be that the first preset value is greater than or equal to 2, the first preset value is less than or equal to 16, and the first preset value is a positive integer.
可选地,在所述目标sub PDU包括第一HARQ-Ack传输资源相关信息的情况下,所述确定所述终端对应的传输所述第一PDSCH的HARQ-Ack的目标PUCCH传输资源,包括:Optionally, in the case that the target sub PDU includes information related to the first HARQ-Ack transmission resource, the determining the target PUCCH transmission resource corresponding to the terminal for transmitting the HARQ-Ack of the first PDSCH includes:
基于所述目标sub PDU中的第一HARQ-Ack传输资源相关信息,确定所述目标PUCCH传输资源。The target PUCCH transmission resource is determined based on the first HARQ-Ack transmission resource related information in the target sub PDU.
可选地,在所述目标sub PDU包括第一HARQ-Ack传输资源相关信息的情况下,可以基于目标sub PDU中的第一HARQ-Ack传输资源相关信息,确定该终端对应的目标PUCCH传输资源。Optionally, in the case that the target sub PDU includes information related to the first HARQ-Ack transmission resource, the target PUCCH transmission resource corresponding to the terminal may be determined based on the information related to the first HARQ-Ack transmission resource in the target sub PDU. .
可选地,所述确定终端的目标PUCCH传输资源,包括:Optionally, the determining the target PUCCH transmission resource of the terminal includes:
基于所述目标sub PDU中MAC sub header中的第二HARQ-Ack传输资源相关信息,确定所述目标PUCCH传输资源。The target PUCCH transmission resource is determined based on the second HARQ-Ack transmission resource related information in the MAC sub header in the target sub PDU.
可选地,在所述目标sub PDU包括第一HARQ-Ack传输资源相关信息的情况下,第一HARQ-Ack传输资源相关信息可以包括目标sub PDU中MAC sub header中的第二HARQ-Ack传输资源相关信息,终端可以基于所述目标sub PDU中MAC sub header中的第二HARQ-Ack传输资源相关信息,确定该终端对应的目标PUCCH传输资源;Optionally, when the target sub PDU includes the first HARQ-Ack transmission resource related information, the first HARQ-Ack transmission resource related information may include the second HARQ-Ack transmission in the MAC sub header in the target sub PDU Resource-related information, the terminal can determine the target PUCCH transmission resource corresponding to the terminal based on the second HARQ-Ack transmission resource-related information in the MAC sub header in the target sub PDU;
可选地,在所述目标sub PDU不包括第一HARQ-Ack传输资源相关信息或未定义的情况下,终端可以直接基于所述目标sub PDU中MAC sub header中的第二HARQ-Ack传输资源相关信息,确定该终端对应的目标PUCCH传输资源。Optionally, in the case that the target sub PDU does not include the information related to the first HARQ-Ack transmission resource or is undefined, the terminal may directly base on the second HARQ-Ack transmission resource in the MAC sub header in the target sub PDU. The relevant information is used to determine the target PUCCH transmission resource corresponding to the terminal.
可选地,所述第二HARQ-Ack传输资源相关信息包括以下至少一项:Optionally, the second HARQ-Ack transmission resource related information includes at least one of the following:
format信息;MAC sub header长度信息;MAC SDU长度信息;MAC-CE的长度信息;和逻辑信道ID。format information; MAC sub header length information; MAC SDU length information; MAC-CE length information; and logical channel ID.
可选地,第二HARQ-Ack传输资源相关信息可以包括但不限于以下至少一项:Optionally, the information related to the second HARQ-Ack transmission resource may include, but is not limited to, at least one of the following:
format信息;format information;
MAC sub header长度信息;MAC sub header length information;
MAC SDU长度信息;MAC SDU length information;
MAC-CE的长度信息;MAC-CE length information;
逻辑信道ID。Logical channel ID.
可选地,所述第一PDSCH还包括:Optionally, the first PDSCH further includes:
第三指示信息,用于指示继续接收后续包含MAC SDU的至少一个MAC sub PDU。The third indication information is used to instruct to continue to receive at least one MAC sub PDU that subsequently contains the MAC SDU.
可选地,第一PDSCH还可以包括第三指示信息,终端可以基于第三指示信息确定继续接收后续包含MAC SDU的至少一个MAC sub PDU。Optionally, the first PDSCH may further include third indication information, and the terminal may determine, based on the third indication information, to continue to receive at least one subsequent MAC sub PDU containing the MAC SDU.
可选地,第一PDSCH还可以包括第三指示信息,终端可以基于第三指示信息确定不继续接收后续包含MAC SDU的至少一个MAC sub PDU。Optionally, the first PDSCH may further include third indication information, and the terminal may determine, based on the third indication information, not to continue to receive the subsequent at least one MAC sub PDU containing the MAC SDU.
可选地,可以在第一PDSCH中不包括第三指示信息时,终端默认继续接收或者默认不继续接收后续包含MAC SDU的至少一个MAC sub PDU。Optionally, when the third indication information is not included in the first PDSCH, the terminal continues to receive by default or by default does not continue to receive at least one MAC sub PDU that subsequently contains the MAC SDU.
可选地,所述方法还包括:Optionally, the method further includes:
在预配置重复传输Message 3或基于第二指示信息确定重复传输Message 3的情况下,基于网络侧发送的第一PDSCH,确定竞争解决成功;In the case of preconfiguring the repeated transmission of Message 3 or determining the repeated transmission of Message 3 based on the second indication information, based on the first PDSCH sent by the network side, it is determined that the contention is successfully resolved;
所述第二指示信息为预配置的或网络侧发送的。The second indication information is preconfigured or sent by the network side.
可选地,在预先配置或网络侧通过第二指示信息指示Message 3进行重复传输的情况下,可以基于网络侧发送的第一PDSCH,确定竞争解决成功。Optionally, in the case of pre-configuration or the network side instructs Message 3 to perform repeated transmission through the second indication information, it may be determined that the contention resolution is successful based on the first PDSCH sent by the network side.
可选地,在预先配置或网络侧通过第二指示信息指示Message 3进行重复传输的情况下,可以执行前述任意方法实施例或任意方法实施例的组合。Optionally, in the case of pre-configuration or the network side instructs Message 3 to perform repeated transmission through the second indication information, any of the foregoing method embodiments or a combination of any of the foregoing method embodiments may be performed.
可选地,所述第二指示信息是网络侧通过RAR UL grant或者TC-RNTI加扰的PDCCH或者系统信息传输的。Optionally, the second indication information is transmitted by the network side through the PDCCH or system information scrambled by the RAR UL grant or the TC-RNTI.
可选地,第二指示信息可以是网络侧通过RAR UL grant或者TC-RNTI加扰的PDCCH或者系统信息传输的。Optionally, the second indication information may be transmitted by the network side through the PDCCH or system information scrambled by the RAR UL grant or the TC-RNTI.
可选地,所述方法还包括:在所述终端发送的Message 3的preamble满足第一预设条件的情况下,基于网络侧发送的第一PDSCH,确定竞争解决成功。Optionally, the method further includes: in the case that the preamble of Message 3 sent by the terminal satisfies the first preset condition, determining that the contention is successfully resolved based on the first PDSCH sent by the network side.
可选地,在所述终端发送的Message 3的preamble满足第一预设条件的情况下,可以基于网络侧发送的第一PDSCH,确定竞争解决成功。Optionally, in the case that the preamble of Message 3 sent by the terminal satisfies the first preset condition, it can be determined that the contention resolution is successful based on the first PDSCH sent by the network side.
可选地,在所述终端发送的Message 3的preamble满足第一预设条件的情况下,可以执行前述任意方法实施例或任意方法实施例的组合。Optionally, in the case that the preamble of Message 3 sent by the terminal satisfies the first preset condition, any of the foregoing method embodiments or a combination of any of the foregoing method embodiments may be performed.
可选地,所述第一预设条件包括以下至少一项:Optionally, the first preset condition includes at least one of the following:
所述Preamble所属分组对应的参考信号接收功率(Reference Signal Receiving Power,RSRP)值低于预设门限;The reference signal received power (Reference Signal Receiving Power, RSRP) value corresponding to the group to which the Preamble belongs is lower than a preset threshold;
所述Preamble所属分组对应于Message 3的比特数大于第二预设值,所述第二预设值是预配置的;The number of bits corresponding to Message 3 in the group to which the Preamble belongs is greater than the second preset value, and the second preset value is preconfigured;
所述Preamble所属分组对应的Message 3重复传输;The Message 3 corresponding to the grouping to which the Preamble belongs is repeatedly transmitted;
所述Preamble所属分组关联第一时域资源分配(Time domain resource allocation,TDRA)表格,所述第一TDRA表格对应于所述Message 3的调度,和/或,所述第一TDRA表格中包含所述Message 3的重复传输次数;The group to which the Preamble belongs is associated with a first time domain resource allocation (Time domain resource allocation, TDRA) table, and the first TDRA table corresponds to the scheduling of the Message 3, and/or, the first TDRA table contains all the Describe the number of repeated transmissions of Message 3;
所述Preamble所属分组与所述终端的能力对应。The group to which the Preamble belongs corresponds to the capability of the terminal.
可选地,第一预设条件可以包括但不限于以下至少一项:Optionally, the first preset condition may include but is not limited to at least one of the following:
所述Preamble所属分组对应的RSRP值低于预设门限;The RSRP value corresponding to the group to which the Preamble belongs is lower than the preset threshold;
所述Preamble所属分组对应于Message 3的比特数大于第二预设值,所述第二预设值是预配置的;The number of bits corresponding to Message 3 in the group to which the Preamble belongs is greater than the second preset value, and the second preset value is preconfigured;
所述Preamble所属分组对应的Message 3重复传输;The Message 3 corresponding to the grouping to which the Preamble belongs is repeatedly transmitted;
所述Preamble所属分组关联第一TDRA表格,所述第一TDRA表格对应于所述Message 3的调度,和/或,所述第一TDRA表格中包含所述Message 3的重复传输次数;The group to which the Preamble belongs is associated with the first TDRA table, and the first TDRA table corresponds to the scheduling of the Message 3, and/or, the first TDRA table includes the repeated transmission times of the Message 3;
所述Preamble所属分组与所述终端的能力对应。The group to which the Preamble belongs corresponds to the capability of the terminal.
可选地,所述第一PDSCH传输的MAC sub PDU中包括S域;Optionally, an S field is included in the MAC sub PDU transmitted by the first PDSCH;
所述S域用于指示后续的MAC sub PDU是否为包含MAC SDU的MAC sub PDU。The S field is used to indicate whether the subsequent MAC sub PDU is a MAC sub PDU containing a MAC SDU.
可选地,第一PDSCH传输的MAC sub PDU中可以包括S域,用于指示后续的MAC sub PDU是否为包含MAC SDU的MAC sub PDU。Optionally, the MAC sub PDU transmitted by the first PDSCH may include an S field, which is used to indicate whether the subsequent MAC sub PDU is a MAC sub PDU including a MAC SDU.
可选地,所述方法还包括:基于所述S域接收后续的MAC sub PDU。Optionally, the method further includes: receiving a subsequent MAC sub PDU based on the S domain.
可选地,在S域中指示的后续的MAC sub PDU为包含MAC SDU的MAC sub PDU的情况下,确定接收后续的MAC sub PDU。Optionally, in the case that the subsequent MAC sub PDU indicated in the S field is a MAC sub PDU containing the MAC SDU, it is determined to receive the subsequent MAC sub PDU.
可选地,所述后续的MAC sub PDU包含无线资源控制(Radio Resource Control,RRC)信令;Optionally, the subsequent MAC sub PDU includes radio resource control (Radio Resource Control, RRC) signaling;
所述RRC信令和包含所述S域的sub PDU的第一PDSCH相关联。The RRC signaling is associated with the first PDSCH containing the sub PDU of the S domain.
可选地,后续的MAC Sub PDU可以包含和S域对应的sub PDU的第一PDSCH相关联的RRC信令。Optionally, the subsequent MAC Sub PDU may include RRC signaling associated with the first PDSCH of the sub PDU corresponding to the S domain.
可选地,所述第一PDSCH还包括以下至少一项:Optionally, the first PDSCH further includes at least one of the following:
TA;功率控制(Transmit Power Control,TPC)命令command;信道接入-循环前缀扩展Channel access-CP extention指示。TA; Power Control (Transmit Power Control, TPC) command command; Channel access-Cyclic prefix extension Channel access-CP extension indication.
可选地,所述第一PDSCH还可以包括但不限于以下至少一项:Optionally, the first PDSCH may also include but is not limited to at least one of the following:
TA;TPC;Channel access-CP extention指示。TA; TPC; Channel access-CP extension indication.
可选地,网络在RAR中包含UL grant信息用于指示Message 3 PUSCH调度信息,并且包含RAPID(RACH preamble ID),TC-RNTI,TA等信息。如果网络没有接收到Message 3 PUSCH,可以在TC-RNTI加扰的PDCCH中调度Message 3 PUSCH的重传。Optionally, the network includes UL grant information in the RAR to indicate the Message 3 PUSCH scheduling information, and includes RAPID (RACH preamble ID), TC-RNTI, TA and other information. If the network does not receive the Message 3 PUSCH, the retransmission of the Message 3 PUSCH can be scheduled in the PDCCH scrambled by the TC-RNTI.
图5是本申请实施例提供的MAC sub PDU格式的示意图之三,如图5所示,Message 4的PDSCH传输的MAC sub PDU可以使用此种格式;其中,S域可以指示后续的MAC sub PDU为包含MAC SDU的MAC sub PDU。终端可以根据该指示接收后续的MAC sub PDU。该后续的MAC sub PDU可以包含RRC信令,和包含S域的Sub PDU的信息是关联的,用于在发送用于终端确定竞争解决的相关信息的同时,进一步下发RRC信令。在本申请实施例中,在支持Message 3重复传输的情况下,终端通过接收网络侧发送的至少一个终端竞争解决ID中的目标终端竞争解决ID,确定竞争解决成功;可以实现至少一个终端竞争解决ID对应的至少一个终端确定竞争解决成功,可以实现至少一个终端同时竞争解决成功,减少了接入时延。Figure 5 is the third schematic diagram of the MAC sub PDU format provided by the embodiment of the present application. As shown in Figure 5, the MAC sub PDU transmitted by the PDSCH of Message 4 can use this format; wherein, the S field can indicate the subsequent MAC sub PDU. is a MAC sub PDU containing a MAC SDU. The terminal can receive subsequent MAC sub PDUs according to the indication. The subsequent MAC sub PDU may contain RRC signaling, which is associated with the information of the Sub PDU containing the S domain, and is used to further issue RRC signaling while sending the relevant information for the terminal to determine contention resolution. In the embodiment of the present application, in the case of supporting the repeated transmission of Message 3, the terminal determines that the contention resolution is successful by receiving the target terminal contention resolution ID in at least one terminal contention resolution ID sent by the network side; at least one terminal contention resolution ID can be implemented; At least one terminal corresponding to the ID determines that the contention is successfully resolved, so that the at least one terminal can successfully resolve the contention at the same time, thereby reducing the access delay.
图6是本申请实施例提供的竞争解决方法的流程示意图之二,如图6所示,该方法包括如下步骤:FIG. 6 is a second schematic flowchart of a contention resolution method provided by an embodiment of the present application. As shown in FIG. 6 , the method includes the following steps:
步骤600,网络侧发送第一PDSCH; Step 600, the network side sends the first PDSCH;
所示第一PDSCH用于终端确定竞争解决成功;The shown first PDSCH is used for the terminal to determine that the contention is successfully resolved;
所述第一PDSCH包括:至少一个终端竞争解决ID,所述至少一个终端竞争解决ID包括所述终端的目标终端竞争解决ID。The first PDSCH includes: at least one terminal contention resolution ID, and the at least one terminal contention resolution ID includes a target terminal contention resolution ID of the terminal.
可选地,在Message 3重复传输和/或Message 3 PUSCH重复传输的场景下,可以通过网络侧向终端发送一个或多个终端竞争解决ID,实现一个或多个可用的竞争解决同时成功。避免存在未竞争解决成功的终端只能进行新的RACH尝试的情况,进而降低了终端的功耗和接入时延,同时也避免了更多的RACH资源的占用。Optionally, in the scenario of repeated transmission of Message 3 and/or repeated transmission of Message 3 PUSCH, one or more terminal contention resolution IDs can be sent to the terminal through the network side, so that one or more available contention resolutions are successful at the same time. It avoids the situation where the terminal that has not successfully resolved the contention can only make a new RACH attempt, thereby reducing the power consumption and access delay of the terminal, and also avoiding the occupation of more RACH resources.
可选地,终端可以接收网络侧发送的第一PDSCH,获得第一PDSCH包括的至少一个终端竞争解决ID中的该终端对应的目标终端竞争解决ID,确定竞争解决成功。Optionally, the terminal may receive the first PDSCH sent by the network side, obtain the target terminal contention resolution ID corresponding to the terminal in at least one terminal contention resolution ID included in the first PDSCH, and determine that the contention resolution is successful.
可选地,多个终端可以接收网络侧发送的第一PDSCH,获得第一PDSCH包括的至少一个终端竞争解决ID中的这多个终端一一对应的目标终端竞争解决ID,进而这多个终端可以确定竞争解决成功。Optionally, multiple terminals may receive the first PDSCH sent by the network side, and obtain target terminal contention resolution IDs corresponding to the multiple terminals in the at least one terminal contention resolution ID included in the first PDSCH. It can be determined that the competition resolution was successful.
在本申请实施例中,在支持Message 3重复传输的情况下,网络侧通过向终端发送至少一个终端竞争解决ID中的目标终端竞争解决ID,确定竞争解决成功;可以实现至少一个终端竞争解决ID对应的至少一个终端确定竞争解决成功,可以实现至少一个终端同时竞争解决成功,减少了接入时延。In the embodiment of the present application, in the case of supporting the repeated transmission of Message 3, the network side determines that the contention resolution is successful by sending the target terminal contention resolution ID in at least one terminal contention resolution ID to the terminal; at least one terminal contention resolution ID can be implemented. If the corresponding at least one terminal determines that the contention is successfully resolved, it can be achieved that the at least one terminal has successfully resolved the contention at the same time, thereby reducing the access delay.
可选地,所述方法还包括:Optionally, the method further includes:
在仅收到部分终端的HARQ-Ack资源的情况下,重新向全部终端或所述部分终端发送所述第一PDSCH;In the case of receiving only the HARQ-Ack resources of some terminals, re-send the first PDSCH to all terminals or the part of terminals;
其中,网络侧向所述全部终端发送了第一PDSCH。Wherein, the network side sends the first PDSCH to all the terminals.
可选地,网络侧如果只收到其中部分终端的HARQ-Ack资源,则可以重发第一PDSCH,比如重发Message 4;Optionally, if the network side only receives the HARQ-Ack resources of some of the terminals, it can retransmit the first PDSCH, such as retransmitting Message 4;
可选地,网络侧可以只在PDSCH中包含该部分终端对应的MAC Sub PDU。Optionally, the network side may only include the MAC Sub PDU corresponding to the part of the terminal in the PDSCH.
在本申请实施例中,在支持Message 3重复传输的情况下,网络侧通过向终端发送至少一个终端竞争解决ID中的目标终端竞争解决ID,确定竞争解决成功;可以实现至少一个终端竞争解决ID对应的至少一个终端确定竞争解决成功,可以实现至少一个终端同时竞争解决成功,减少了接入时延。In the embodiment of the present application, in the case of supporting the repeated transmission of Message 3, the network side determines that the contention resolution is successful by sending the target terminal contention resolution ID in at least one terminal contention resolution ID to the terminal; at least one terminal contention resolution ID can be implemented. If the corresponding at least one terminal determines that the contention is successfully resolved, it can be achieved that the at least one terminal has successfully resolved the contention at the same time, thereby reducing the access delay.
需要说明的是,本申请实施例提供的竞争解决方法,执行主体可以为竞争解决装置,或者,该竞争解决装置中的用于执行竞争解决方法的控制模块。本申请实施例中以竞争解决装置执行竞争解决方法为例,说明本申请实施例提供的竞争解决装置。It should be noted that, in the contention resolution method provided by the embodiments of the present application, the execution body may be a contention resolution apparatus, or a control module in the contention resolution apparatus for executing the contention resolution method. In the embodiment of the present application, the contention resolution apparatus provided by the embodiment of the present application is described by taking the contention resolution apparatus executing the contention resolution method as an example.
图7是本申请实施例提供的竞争解决装置的结构示意图之一,如图7所示,所述装置包括:第一确定模块710;其中:FIG. 7 is a schematic structural diagram of a contention resolution apparatus provided by an embodiment of the present application. As shown in FIG. 7 , the apparatus includes: a first determination module 710; wherein:
第一确定模块710用于终端基于网络侧发送的第一PDSCH,确定竞争解决成功;The first determining module 710 is used by the terminal to determine that the contention is successfully resolved based on the first PDSCH sent by the network side;
所述第一PDSCH包括:至少一个终端竞争解决ID,所述至少一个终端竞争解决ID包括所述终端的目标终端竞争解决ID。The first PDSCH includes: at least one terminal contention resolution ID, and the at least one terminal contention resolution ID includes a target terminal contention resolution ID of the terminal.
可选地,竞争解决装置通过第一确定模块710基于网络侧发送的第一PDSCH中至少一个终端竞争解决ID包括的终端的目标终端竞争解决ID,确定竞争解决成功。Optionally, the contention resolution apparatus determines, through the first determination module 710, that the contention resolution is successful based on the target terminal contention resolution ID of the terminal included in at least one terminal contention resolution ID in the first PDSCH sent by the network side.
在此需要说明的是,本申请实施例提供的上述装置,能够实现上述方法实施例所实现的所有方法步骤,且能够达到相同的技术效果,在此不再对本实施例中与方法实施例相同的部分及有益效果进行具体赘述。It should be noted here that the above-mentioned device provided in the embodiment of the present application can realize all the method steps realized by the above-mentioned method embodiment, and can achieve the same technical effect, which is not the same as the method embodiment in this embodiment. The parts and beneficial effects will be described in detail.
在本申请实施例中,在支持Message 3重复传输的情况下,终端通过接收网络侧发送的至少一个终端竞争解决ID中的目标终端竞争解决ID,确定竞争解决成功;可以实现至少一个终端竞争解决ID对应的至少一个终端确定竞争解决成功,可以实现至少一个终端同时竞争解决成功,减少了接入时延。In the embodiment of the present application, in the case of supporting the repeated transmission of Message 3, the terminal determines that the contention resolution is successful by receiving the target terminal contention resolution ID in at least one terminal contention resolution ID sent by the network side; at least one terminal contention resolution ID can be implemented; At least one terminal corresponding to the ID determines that the contention is successfully resolved, so that the at least one terminal can successfully resolve the contention at the same time, thereby reducing the access delay.
可选地,所述第一PDSCH包括:所述终端的TC-RNTI加扰的PDCCH调度的PDSCH。Optionally, the first PDSCH includes: the PDSCH scheduled by the PDCCH scrambled by the TC-RNTI of the terminal.
可选地,所述终端竞争解决ID包含在MAC sub PDU中。Optionally, the terminal contention resolution ID is included in the MAC sub PDU.
可选地,所述第一确定模块还用于:Optionally, the first determining module is also used for:
若第一PDSCH的目标sub PDU中包括所述终端的目标终端竞争解决ID,则确定所述终端竞争解决成功;If the target sub PDU of the first PDSCH includes the target terminal contention resolution ID of the terminal, it is determined that the terminal contention resolution is successful;
所述目标终端竞争解决ID与所述终端在Message 3的CCCH SDU匹配。The target terminal contention resolution ID matches the CCCH SDU of the terminal in Message 3.
可选地,所述第一PDSCH还包括:第一C-RNTI相关信息和/或第一HARQ-Ack传输资源相关信息;Optionally, the first PDSCH further includes: first C-RNTI related information and/or first HARQ-Ack transmission resource related information;
其中,所述第一C-RNTI相关信息和/或第一HARQ-Ack传输资源相关信息包含在MAC sub PDU中。Wherein, the first C-RNTI related information and/or the first HARQ-Ack transmission resource related information is included in the MAC sub PDU.
可选地,包含在一个所述MAC sub PDU中的所有或部分信息相关联。Optionally, all or part of the information contained in one of said MAC sub PDUs is associated.
可选地,所述装置还包括:第二确定模块,用于确定终端的C-RNTI。Optionally, the apparatus further includes: a second determining module configured to determine the C-RNTI of the terminal.
可选地,所述第二确定模块,具体用于:基于第一PDSCH中所述目标sub PDU所在MAC-PDU的顺序,确定所述终端的C-RNTI。Optionally, the second determining module is specifically configured to: determine the C-RNTI of the terminal based on the order of the MAC-PDU in the first PDSCH where the target sub PDU is located.
可选地,所述第二确定模块,具体用于:若所述目标sub PDU为第一PDSCH中的第1个MAC Sub PDU,则确定终端的TC-RNTI作为终端的C-RNTI。Optionally, the second determining module is specifically configured to: if the target sub PDU is the first MAC Sub PDU in the first PDSCH, determine the TC-RNTI of the terminal as the C-RNTI of the terminal.
可选地,所述第二确定模块,具体用于:若所述目标sub PDU为第一PDSCH中的第X个MAC sub PDU,则基于X确定所述终端的C-RNTI;其中,X大于或等于1且X为整数。Optionally, the second determining module is specifically configured to: if the target sub PDU is the Xth MAC sub PDU in the first PDSCH, determine the C-RNTI of the terminal based on X; wherein X is greater than or equal to 1 and X is an integer.
可选地,所述第二确定模块,具体用于:基于Y对所述终端的TC-RNTI进行计算,获得所述终端的C-RNTI;其中,所述Y基于所述X确定。Optionally, the second determining module is specifically configured to: calculate the TC-RNTI of the terminal based on Y to obtain the C-RNTI of the terminal; wherein the Y is determined based on the X.
可选地,所述第二确定模块,具体用于:Optionally, the second determining module is specifically configured to:
将所述终端的TC-RNTI对应的十进制数与Y相加,获得所述终端的C-RNTI对应的十进制数。The decimal number corresponding to the TC-RNTI of the terminal is added to Y to obtain the decimal number corresponding to the C-RNTI of the terminal.
可选地,所述第二确定模块,具体用于:对所述终端的TC-RNTI进行Y位位置循环位移,获得所述终端的C-RNTI。Optionally, the second determining module is specifically configured to: perform a Y-bit position cyclic shift on the TC-RNTI of the terminal to obtain the C-RNTI of the terminal.
可选地,在所述目标sub PDU包括第一C-RNTI相关信息的情况下,所述第二确定模块,具体用于:Optionally, in the case that the target sub PDU includes the first C-RNTI related information, the second determining module is specifically configured to:
基于所述目标sub PDU中的第一C-RNTI相关信息,确定终端的C-RNTI。Based on the first C-RNTI related information in the target sub PDU, the C-RNTI of the terminal is determined.
可选地,所述第二确定模块,具体用于:Optionally, the second determining module is specifically used for:
基于所述目标sub PDU中MAC sub header中的第二C-RNTI相关信息,确定终端的C-RNTI。Based on the second C-RNTI related information in the MAC sub header in the target sub PDU, the C-RNTI of the terminal is determined.
可选地,所述第二C-RNTI相关信息包括以下至少一项:Optionally, the second C-RNTI related information includes at least one of the following:
format信息;MAC sub header长度信息;MAC SDU长度信息;MAC-CE的长度信息;和逻辑信道ID。format information; MAC sub header length information; MAC SDU length information; MAC-CE length information; and logical channel ID.
可选地,所述装置还包括:第三确定模块,用于确定所述终端对应的传输所述第一PDSCH的HARQ-Ack的目标PUCCH传输资源。Optionally, the apparatus further includes: a third determination module, configured to determine a target PUCCH transmission resource corresponding to the terminal for transmitting the HARQ-Ack of the first PDSCH.
可选地,所述第三确定模块,具体用于:基于第一PDSCH中所述目标sub PDU所在MAC-PDU的顺序,确定所述目标PUCCH传输资源。Optionally, the third determining module is specifically configured to: determine the target PUCCH transmission resource based on the order of the MAC-PDU in the first PDSCH where the target sub PDU is located.
可选地,所述第三确定模块,具体用于:Optionally, the third determining module is specifically used for:
若所述目标sub PDU为第一PDSCH中的第1个MAC Sub PDU,则确定终端的TC-RNTI加扰的PDCCH指示的PUCCH资源为所述目标PUCCH传输资源。If the target sub PDU is the first MAC Sub PDU in the first PDSCH, it is determined that the PUCCH resource indicated by the PDCCH scrambled by the TC-RNTI of the terminal is the target PUCCH transmission resource.
可选地,所述第三确定模块,具体用于:若所述目标sub PDU为第一PDSCH中的第Z个MAC Sub PDU,则基于Z确定所述目标PUCCH传输资源;其中,Z大于或等于1且Z为整数。Optionally, the third determining module is specifically configured to: if the target sub PDU is the Zth MAC Sub PDU in the first PDSCH, determine the target PUCCH transmission resource based on Z; wherein Z is greater than or is equal to 1 and Z is an integer.
可选地,所述第三确定模块,具体用于:基于Z对所述终端的TC-RNTI加扰的PDCCH指示的PUCCH资源进行计算,获得所述目标PUCCH传输资源。Optionally, the third determining module is specifically configured to: calculate the PUCCH resource indicated by the PDCCH scrambled by the TC-RNTI of the terminal based on Z, to obtain the target PUCCH transmission resource.
可选地,所述第三确定模块,具体用于:将所述终端的TC-RNTI加扰的PDCCH指示的PUCCH资源的索引值与Z相加,获得所述目标PUCCH传输资源。Optionally, the third determining module is specifically configured to: add the index value of the PUCCH resource indicated by the PDCCH scrambled by the TC-RNTI of the terminal to Z to obtain the target PUCCH transmission resource.
可选地,所述第三确定模块,具体用于:基于所述终端的TC-RNTI加扰的PDCCH指示的PUCCH资源的索引值与Z相加后与第一预设值作除法运算后的余数,确定所述目标PUCCH传输资源;所述第一预设值是预配置的或者协议预定义的。Optionally, the third determination module is specifically configured to: based on the index value of the PUCCH resource indicated by the PDCCH scrambled by the TC-RNTI of the terminal and Z, and then divided by the first preset value. The remainder is used to determine the target PUCCH transmission resource; the first preset value is preconfigured or predefined by a protocol.
可选地,在所述目标sub PDU包括第一HARQ-Ack传输资源相关信息的情况下,所述第三确定模块,具体用于:基于所述目标sub PDU中的第一HARQ-Ack传输资源相关信息,确定所述目标PUCCH传输资源。Optionally, when the target sub PDU includes information related to the first HARQ-Ack transmission resource, the third determining module is specifically configured to: based on the first HARQ-Ack transmission resource in the target sub PDU The relevant information is used to determine the target PUCCH transmission resource.
可选地,所述第三确定模块,具体用于:基于所述目标sub PDU中MAC sub header中的第二HARQ-Ack传输资源相关信息,确定所述目标PUCCH传输资源。Optionally, the third determining module is specifically configured to: determine the target PUCCH transmission resource based on the second HARQ-Ack transmission resource related information in the MAC sub header in the target sub PDU.
可选地,所述第二HARQ-Ack传输资源相关信息包括以下至少一项:format信息;MAC sub header长度信息;MAC SDU长度信息;MAC-CE的长度信息;和逻辑信道ID。Optionally, the second HARQ-Ack transmission resource related information includes at least one of the following: format information; MAC sub header length information; MAC SDU length information; MAC-CE length information; and logical channel ID.
可选地,所述第一PDSCH还包括:第三指示信息,用于指示继续接收后续包含MAC SDU的至少一个MAC sub PDU。Optionally, the first PDSCH further includes: third indication information, which is used to instruct to continue to receive at least one MAC sub PDU containing the MAC SDU subsequently.
可选地,所述装置还包括:第四确定模块,用于在预配置重复传输Message 3或基于第二指示信息确定重复传输Message 3的情况下,基于网络侧发送的第一PDSCH,确定竞争解决成功;Optionally, the apparatus further includes: a fourth determination module, configured to determine the contention based on the first PDSCH sent by the network side in the case of preconfiguring the repeated transmission of Message 3 or determining the repeated transmission of Message 3 based on the second indication information. solve successfully;
所述第二指示信息为预配置的或网络侧发送的。The second indication information is preconfigured or sent by the network side.
可选地,所述第二指示信息是网络侧通过RAR UL grant或者TC-RNTI加扰的PDCCH或者系统信息传输的。Optionally, the second indication information is transmitted by the network side through the PDCCH or system information scrambled by the RAR UL grant or the TC-RNTI.
可选地,所述装置还包括:第五确定模块,用于在所述终端发送的Message 3的preamble满足第一预设条件的情况下,基于网络侧发送的第一PDSCH,确定竞争解决成功。Optionally, the device further includes: a fifth determination module, configured to determine that the contention is successfully resolved based on the first PDSCH sent by the network side when the preamble of the Message 3 sent by the terminal meets the first preset condition .
可选地,所述第一预设条件包括以下至少一项:Optionally, the first preset condition includes at least one of the following:
所述Preamble所属分组对应的RSRP值低于预设门限;The RSRP value corresponding to the group to which the Preamble belongs is lower than the preset threshold;
所述Preamble所属分组对应于Message 3的比特数大于第二预设值,所述第二预设值是预配置的;The number of bits corresponding to Message 3 in the group to which the Preamble belongs is greater than the second preset value, and the second preset value is preconfigured;
所述Preamble所属分组对应的Message 3重复传输;The Message 3 corresponding to the grouping to which the Preamble belongs is repeatedly transmitted;
所述Preamble所属分组关联第一TDRA表格,所述第一TDRA表格对应于所述Message 3的调度,和/或,所述第一TDRA表格中包含所述Message 3的重复传输次数;所述Preamble所属分组与所述终端的能力对应。The group to which the Preamble belongs is associated with the first TDRA table, and the first TDRA table corresponds to the scheduling of the Message 3, and/or, the first TDRA table includes the repeated transmission times of the Message 3; the Preamble The belonging group corresponds to the capability of the terminal.
可选地,所述第一PDSCH传输的MAC sub PDU中包括S域;所述S域用于指示后续的MAC sub PDU是否为包含MAC SDU的MAC sub PDU。Optionally, the MAC sub PDU transmitted by the first PDSCH includes an S field; the S field is used to indicate whether the subsequent MAC sub PDU is a MAC sub PDU including a MAC SDU.
可选地,所述装置还包括:第一接收模块,用于基于所述S域接收后续的MAC sub PDU。Optionally, the apparatus further includes: a first receiving module, configured to receive subsequent MAC sub PDUs based on the S domain.
可选地,所述后续的MAC sub PDU包含RRC信令;Optionally, the subsequent MAC sub PDU includes RRC signaling;
所述RRC信令和包含所述S域的sub PDU的第一PDSCH相关联。The RRC signaling is associated with the first PDSCH containing the sub PDU of the S domain.
可选地,所述第一PDSCH还包括以下至少一项:TA;功率控制命令TPC;Channel access-CP extention指示。Optionally, the first PDSCH further includes at least one of the following: TA; power control command TPC; Channel access-CP extension indication.
在本申请实施例中,在支持Message 3重复传输的情况下,终端通过接收网络侧发送的至少一个终端竞争解决ID中的目标终端竞争解决ID,确定竞争解决成功;可以实现至少一个终端竞争解决ID对应的至少一个终端确定竞争解决成功,可以实现至少一个终端同时竞争解决成功,减少了接入时延。In the embodiment of the present application, in the case of supporting the repeated transmission of Message 3, the terminal determines that the contention resolution is successful by receiving the target terminal contention resolution ID in at least one terminal contention resolution ID sent by the network side; at least one terminal contention resolution ID can be implemented; At least one terminal corresponding to the ID determines that the contention is successfully resolved, so that the at least one terminal can successfully resolve the contention at the same time, thereby reducing the access delay.
本申请实施例中的竞争解决装置可以是具有操作系统的装置或电子设备,也可以是终端中的部件、集成电路、 或芯片。该电子设备可以是移动终端,也可以为非移动终端。示例性的,移动终端可以包括但不限于上述所列举的终端11的类型,非移动终端可以为服务器、网络附属存储器(Network Attached Storage,NAS)、个人计算机(personal computer,PC)、电视机(television,TV)、柜员机或者自助机等,本申请实施例不作具体限定。The contention resolution apparatus in this embodiment of the present application may be an apparatus or electronic device having an operating system, or may be a component, an integrated circuit, or a chip in a terminal. The electronic device may be a mobile terminal or a non-mobile terminal. Exemplarily, the mobile terminal may include, but is not limited to, the types of terminals 11 listed above, and the non-mobile terminal may be a server, a network attached storage (NAS), a personal computer (personal computer, PC), a television ( television, TV), teller machine, or self-service machine, etc., which are not specifically limited in the embodiments of the present application.
本申请实施例提供的竞争解决装置能够实现图2至图5的方法实施例实现的各个过程,并达到相同的技术效果,为避免重复,这里不再赘述。The contention resolution apparatus provided in the embodiments of the present application can implement each process implemented by the method embodiments in FIG. 2 to FIG. 5 , and achieve the same technical effect. To avoid repetition, details are not described here.
图8是本申请实施例提供的竞争解决装置的结构示意图之二,如图8所示,所述装置包括:第一发送模块810;其中:第一发送模块810用于基于网络侧发送的第一PDSCH,确定竞争解决成功;所述第一PDSCH包括:至少一个终端竞争解决ID,所述至少一个终端竞争解决ID包括所述终端的目标终端竞争解决ID。FIG. 8 is a second schematic structural diagram of a contention resolution apparatus provided by an embodiment of the present application. As shown in FIG. 8 , the apparatus includes: a first sending module 810 ; wherein: the first sending module 810 is configured to send the first sending module 810 based on the network side. One PDSCH, it is determined that the contention resolution is successful; the first PDSCH includes: at least one terminal contention resolution ID, and the at least one terminal contention resolution ID includes the target terminal contention resolution ID of the terminal.
可选地,竞争解决装置通过第一发送模块810发送第一PDSCH,以使终端可以基于第一PDSCH中至少一个终端竞争解决ID包括的终端的目标终端竞争解决ID,确定竞争解决成功。Optionally, the contention resolution apparatus sends the first PDSCH through the first sending module 810, so that the terminal can determine that the contention resolution is successful based on the target terminal contention resolution ID of the terminal included in at least one terminal contention resolution ID in the first PDSCH.
在此需要说明的是,本申请实施例提供的上述装置,能够实现上述方法实施例所实现的所有方法步骤,且能够达到相同的技术效果,在此不再对本实施例中与方法实施例相同的部分及有益效果进行具体赘述。It should be noted here that the above-mentioned device provided by the embodiment of the present application can realize all the method steps realized by the above-mentioned method embodiment, and can achieve the same technical effect, and the same as the method embodiment in this embodiment is not repeated here. The parts and beneficial effects will be described in detail.
在本申请实施例中,在支持Message 3重复传输的情况下,网络侧通过向终端发送至少一个终端竞争解决ID中的目标终端竞争解决ID,确定竞争解决成功;可以实现至少一个终端竞争解决ID对应的至少一个终端确定竞争解决成功,可以实现至少一个终端同时竞争解决成功,减少了接入时延。In the embodiment of the present application, in the case of supporting the repeated transmission of Message 3, the network side determines that the contention resolution is successful by sending the target terminal contention resolution ID in at least one terminal contention resolution ID to the terminal; at least one terminal contention resolution ID can be implemented. If the corresponding at least one terminal determines that the contention is successfully resolved, it can be achieved that the at least one terminal has successfully resolved the contention at the same time, thereby reducing the access delay.
可选地,所述装置还包括:第二发送模块,用于在仅收到部分终端的HARQ-Ack资源的情况下,重新向全部终端或所述部分终端发送所述第一PDSCH;其中,所述全部终端为网络侧发送了第一PDSCH的全部的终端。Optionally, the apparatus further includes: a second sending module, configured to re-send the first PDSCH to all the terminals or the part of the terminals when only the HARQ-Ack resources of some terminals are received; wherein, The all terminals are all terminals that have sent the first PDSCH from the network side.
可选地,所述第一PDSCH包括:所述终端的TC-RNTI加扰的PDCCH调度的PDSCH。Optionally, the first PDSCH includes: the PDSCH scheduled by the PDCCH scrambled by the TC-RNTI of the terminal.
可选地,所述终端竞争解决ID包含在MAC sub PDU中。Optionally, the terminal contention resolution ID is included in the MAC sub PDU.
可选地,所述第一PDSCH还包括:第一C-RNTI相关信息和/或第一HARQ-Ack传输资源相关信息;Optionally, the first PDSCH further includes: first C-RNTI related information and/or first HARQ-Ack transmission resource related information;
其中,所述第一C-RNTI相关信息和/或第一HARQ-Ack传输资源相关信息包含在MAC sub PDU中。Wherein, the first C-RNTI related information and/or the first HARQ-Ack transmission resource related information is included in the MAC sub PDU.
可选地,包含在一个所述MAC sub PDU中的所有或部分信息相关联。Optionally, all or part of the information contained in one of said MAC sub PDUs is associated.
可选地,所述第一PDSCH还包括:Optionally, the first PDSCH further includes:
第三指示信息,用于指示继续接收后续包含MAC SDU的至少一个MAC sub PDU。The third indication information is used to instruct to continue to receive at least one MAC sub PDU that subsequently contains the MAC SDU.
可选地,所述第一PDSCH传输的MAC Sub PDU中包括S域;Optionally, an S field is included in the MAC Sub PDU transmitted by the first PDSCH;
所述S域用于指示后续的MAC Sub PDU是否为包含MAC SDU的MAC sub PDU。The S field is used to indicate whether the subsequent MAC Sub PDU is a MAC sub PDU containing a MAC SDU.
可选地,所述后续的MAC sub PDU包含RRC信令;Optionally, the subsequent MAC sub PDU includes RRC signaling;
所述RRC信令和包含所述S域的sub PDU的第一PDSCH相关联。The RRC signaling is associated with the first PDSCH containing the sub PDU of the S domain.
可选地,所述第一PDSCH还包括以下至少一项:Optionally, the first PDSCH further includes at least one of the following:
TA;功率控制命令TPC;Channel access-CP extention指示。TA; Power Control Command TPC; Channel access-CP extension indication.
在本申请实施例中,在支持Message 3重复传输的情况下,网络侧通过向终端发送至少一个终端竞争解决ID中的目标终端竞争解决ID,确定竞争解决成功;可以实现至少一个终端竞争解决ID对应的至少一个终端确定竞争解决成功,可以实现至少一个终端同时竞争解决成功,减少了接入时延。In the embodiment of the present application, in the case of supporting the repeated transmission of Message 3, the network side determines that the contention resolution is successful by sending the target terminal contention resolution ID in at least one terminal contention resolution ID to the terminal; at least one terminal contention resolution ID can be implemented. If the corresponding at least one terminal determines that the contention is successfully resolved, it can be achieved that the at least one terminal has successfully resolved the contention at the same time, thereby reducing the access delay.
本申请实施例中的竞争解决装置可以是装置,也可以是终端中的部件、集成电路、或芯片。该装置可以是移动终端,也可以为非移动终端。示例性的,移动终端可以包括但不限于上述所列举的终端11的类型,非移动终端可以为服务器、网络附属存储器(Network Attached Storage,NAS)、个人计算机(personal computer,PC)、电视机(television,TV)、柜员机或者自助机等,本申请实施例不作具体限定。The contention resolution apparatus in this embodiment of the present application may be an apparatus, or may be a component, an integrated circuit, or a chip in a terminal. The device may be a mobile terminal or a non-mobile terminal. Exemplarily, the mobile terminal may include, but is not limited to, the types of terminals 11 listed above, and the non-mobile terminal may be a server, a network attached storage (NAS), a personal computer (personal computer, PC), a television ( television, TV), teller machine, or self-service machine, etc., which are not specifically limited in the embodiments of the present application.
本申请实施例中的竞争解决装置可以为具有操作系统的装置。该操作系统可以为安卓(Android)操作系统,可以为ios操作系统,还可以为其他可能的操作系统,本申请实施例不作具体限定。The contention resolution device in this embodiment of the present application may be a device with an operating system. The operating system may be an Android (Android) operating system, an ios operating system, or other possible operating systems, which are not specifically limited in the embodiments of the present application.
本申请实施例提供的竞争解决装置能够实现图6的方法实施例实现的各个过程,并达到相同的技术效果,为避免重复,这里不再赘述。The contention resolution apparatus provided in the embodiment of the present application can implement each process implemented by the method embodiment in FIG. 6 , and achieve the same technical effect. To avoid repetition, details are not repeated here.
可选的,图9是本申请实施例提供的通信设备的结构示意图,如图9所示,通信设备900,包括处理器901,存储器902,存储在存储器902上并可在所述处理器901上运行的程序或指令,例如,该通信设备900为终端时,该程序或指令被处理器901执行时实现上述方法实施例的各个过程,且能达到相同的技术效果。该通信设备900 为网络侧设备时,该程序或指令被处理器901执行时实现上述方法实施例的各个过程,且能达到相同的技术效果,为避免重复,这里不再赘述。Optionally, FIG. 9 is a schematic structural diagram of a communication device provided by an embodiment of the present application. As shown in FIG. 9 , a communication device 900 includes a processor 901 and a memory 902 , which are stored in the memory 902 and can be stored in the processor 901 For example, when the communication device 900 is a terminal, when the program or instruction is executed by the processor 901, each process of the above method embodiments can be implemented, and the same technical effect can be achieved. When the communication device 900 is a network-side device, when the program or instruction is executed by the processor 901, each process of the above method embodiment is implemented, and the same technical effect can be achieved. To avoid repetition, details are not described here.
图10是本申请实施例提供的终端设备的硬件结构示意图。FIG. 10 is a schematic diagram of a hardware structure of a terminal device provided by an embodiment of the present application.
该终端1000包括但不限于:射频单元1001、网络模块1002、音频输出单元1003、输入单元1004、传感器1005、显示单元1006、用户输入单元1007、接口单元1008、存储器1009、以及处理器1010等中的至少部分部件。The terminal 1000 includes but is not limited to: a radio frequency unit 1001, a network module 1002, an audio output unit 1003, an input unit 1004, a sensor 1005, a display unit 1006, a user input unit 1007, an interface unit 1008, a memory 1009, and a processor 1010, etc. at least part of the components.
本领域技术人员可以理解,终端1000还可以包括给各个部件供电的电源(比如电池),电源可以通过电源管理系统与处理器1010逻辑相连,从而通过电源管理系统实现管理充电、放电、以及功耗管理等功能。图10中示出的终端结构并不构成对终端的限定,终端可以包括比图示更多或更少的部件,或者组合某些部件,或者不同的部件布置,在此不再赘述。Those skilled in the art can understand that the terminal 1000 may also include a power supply (such as a battery) for supplying power to various components, and the power supply may be logically connected to the processor 1010 through a power management system, so as to manage charging, discharging, and power consumption through the power management system management and other functions. The terminal structure shown in FIG. 10 does not constitute a limitation on the terminal, and the terminal may include more or less components than shown, or combine some components, or arrange different components, which will not be repeated here.
应理解的是,本申请实施例中,输入单元1004可以包括图形处理器(Graphics Processing Unit,GPU)10041和麦克风10042,图形处理器10041对在视频捕获模式或图像捕获模式中由图像捕获装置(如摄像头)获得的静态图片或视频的图像数据进行处理。显示单元1006可包括显示面板10061,可以采用液晶显示器、有机发光二极管等形式来配置显示面板10061。用户输入单元1007包括触控面板6071以及其他输入设备10072。触控面板10071,也称为触摸屏。触控面板10071可包括触摸检测装置和触摸控制器两个部分。其他输入设备10072可以包括但不限于物理键盘、功能键(比如音量控制按键、开关按键等)、轨迹球、鼠标、操作杆,在此不再赘述。It should be understood that, in this embodiment of the present application, the input unit 1004 may include a graphics processor (Graphics Processing Unit, GPU) 10041 and a microphone 10042. Such as camera) to obtain still pictures or video image data for processing. The display unit 1006 may include a display panel 10061, which may be configured in the form of a liquid crystal display, an organic light emitting diode, or the like. The user input unit 1007 includes a touch panel 6071 and other input devices 10072 . The touch panel 10071 is also called a touch screen. The touch panel 10071 may include two parts, a touch detection device and a touch controller. Other input devices 10072 may include, but are not limited to, physical keyboards, function keys (such as volume control keys, switch keys, etc.), trackballs, mice, and joysticks, which will not be repeated here.
本申请实施例中,射频单元1001将来自通信对端的信息接收后,给处理器1010处理;另外,将待传输的信息发送给通信对端。通常,射频单元1001包括但不限于天线、至少一个放大器、收发信机、耦合器、低噪声放大器、双工器等。In the embodiment of the present application, the radio frequency unit 1001 processes the information from the communication peer end after receiving the information; in addition, sends the information to be transmitted to the communication peer end. Generally, the radio frequency unit 1001 includes, but is not limited to, an antenna, at least one amplifier, a transceiver, a coupler, a low noise amplifier, a duplexer, and the like.
存储器1009可用于存储软件程序或指令以及各种数据。存储器1009可主要包括存储程序或指令区和存储数据区,其中,存储程序或指令区可存储操作系统、至少一个功能所需的应用程序或指令(比如声音播放功能、图像播放功能等)等。此外,存储器1009可以包括高速随机存取存储器,还可以包括非易失性存储器,其中,非易失性存储器可以是只读存储器(Read-Only Memory,ROM)、可编程只读存储器(Programmable ROM,PROM)、可擦除可编程只读存储器(Erasable PROM,EPROM)、电可擦除可编程只读存储器(Electrically EPROM,EEPROM)或闪存。例如至少一个磁盘存储器件、闪存器件、或其他非易失性固态存储器件。 Memory 1009 may be used to store software programs or instructions as well as various data. The memory 1009 may mainly include a stored program or instruction area and a storage data area, wherein the stored program or instruction area may store an operating system, an application program or instruction required for at least one function (such as a sound playback function, an image playback function, etc.) and the like. In addition, the memory 1009 may include a high-speed random access memory, and may also include a non-volatile memory, wherein the non-volatile memory may be a read-only memory (Read-Only Memory, ROM), a programmable read-only memory (Programmable ROM) , PROM), erasable programmable read-only memory (Erasable PROM, EPROM), electrically erasable programmable read-only memory (Electrically EPROM, EEPROM) or flash memory. For example at least one magnetic disk storage device, flash memory device, or other non-volatile solid state storage device.
处理器1010可包括一个或多个处理单元;可选的,处理器1010可集成应用处理器和调制解调处理器,其中,应用处理器主要处理操作系统、用户界面和应用程序或指令等,调制解调处理器主要处理无线通信,如基带处理器。可以理解的是,上述调制解调处理器也可以不集成到处理器1010中。The processor 1010 may include one or more processing units; optionally, the processor 1010 may integrate an application processor and a modem processor, wherein the application processor mainly processes the operating system, user interface, and application programs or instructions, etc. Modem processors mainly deal with wireless communications, such as baseband processors. It can be understood that, the above-mentioned modulation and demodulation processor may not be integrated into the processor 1010.
其中,处理器1010用于:终端基于网络侧发送的第一PDSCH,确定竞争解决成功;所述第一PDSCH包括:至少一个终端竞争解决ID,所述至少一个终端竞争解决ID包括所述终端的目标终端竞争解决ID。The processor 1010 is configured to: the terminal determines that the contention resolution is successful based on the first PDSCH sent by the network side; the first PDSCH includes: at least one terminal contention resolution ID, and the at least one terminal contention resolution ID includes the Target terminal contention resolution ID.
在本申请实施例中,在支持Message 3重复传输的情况下,终端通过接收网络侧发送的至少一个终端竞争解决ID中的目标终端竞争解决ID,确定竞争解决成功;可以实现至少一个终端竞争解决ID对应的至少一个终端确定竞争解决成功,可以实现至少一个终端同时竞争解决成功,减少了接入时延。In the embodiment of the present application, in the case of supporting the repeated transmission of Message 3, the terminal determines that the contention resolution is successful by receiving the target terminal contention resolution ID in at least one terminal contention resolution ID sent by the network side; at least one terminal contention resolution ID can be implemented; At least one terminal corresponding to the ID determines that the contention is successfully resolved, so that the at least one terminal can successfully resolve the contention at the same time, thereby reducing the access delay.
可选地,所述第一PDSCH包括:所述终端的TC-RNTI加扰的PDCCH调度的PDSCH。Optionally, the first PDSCH includes: a PDSCH scheduled by a PDCCH scrambled by the TC-RNTI of the terminal.
可选地,所述终端竞争解决ID包含在MAC sub PDU中。Optionally, the terminal contention resolution ID is included in the MAC sub PDU.
可选地,处理器1010用于:若第一PDSCH的目标sub PDU中包括所述终端的目标终端竞争解决ID,则确定所述终端竞争解决成功;所述目标终端竞争解决ID与所述终端在Message 3的CCCH SDU匹配。Optionally, the processor 1010 is configured to: if the target sub PDU of the first PDSCH includes the target terminal contention resolution ID of the terminal, determine that the terminal contention resolution is successful; the target terminal contention resolution ID is the same as that of the terminal. CCCH SDU match in Message 3.
可选地,所述第一PDSCH还包括:第一C-RNTI相关信息和/或第一HARQ-Ack传输资源相关信息;Optionally, the first PDSCH further includes: first C-RNTI related information and/or first HARQ-Ack transmission resource related information;
其中,所述第一C-RNTI相关信息和/或第一HARQ-Ack传输资源相关信息包含在MAC sub PDU中。Wherein, the first C-RNTI related information and/or the first HARQ-Ack transmission resource related information is included in the MAC sub PDU.
可选地,包含在一个所述MAC sub PDU中的所有或部分信息相关联。Optionally, all or part of the information contained in one of said MAC sub PDUs is associated.
可选地,处理器1010用于:确定终端的C-RNTI。Optionally, the processor 1010 is configured to: determine the C-RNTI of the terminal.
可选地,处理器1010用于:基于第一PDSCH中所述目标sub PDU所在MAC-PDU的顺序,确定所述终端的C-RNTI。Optionally, the processor 1010 is configured to: determine the C-RNTI of the terminal based on the sequence of MAC-PDUs in the first PDSCH where the target sub PDU is located.
可选地,处理器1010用于:若所述目标sub PDU为第一PDSCH中的第1个MAC sub PDU,则确定终端的 TC-RNTI作为终端的C-RNTI。Optionally, the processor 1010 is configured to: if the target sub PDU is the first MAC sub PDU in the first PDSCH, determine the TC-RNTI of the terminal as the C-RNTI of the terminal.
可选地,处理器1010用于:若所述目标sub PDU为第一PDSCH中的第X个MAC sub PDU,则基于X确定所述终端的C-RNTI;其中,X大于或等于1且X为整数。Optionally, the processor 1010 is configured to: if the target sub PDU is the Xth MAC sub PDU in the first PDSCH, determine the C-RNTI of the terminal based on X; wherein X is greater than or equal to 1 and X is an integer.
可选地,处理器1010用于:基于Y对所述终端的TC-RNTI进行计算,获得所述终端的C-RNTI;Optionally, the processor 1010 is configured to: calculate the TC-RNTI of the terminal based on Y to obtain the C-RNTI of the terminal;
其中,所述Y基于所述X确定。wherein the Y is determined based on the X.
可选地,处理器1010用于:将所述终端的TC-RNTI对应的十进制数与Y相加,获得所述终端的C-RNTI对应的十进制数。Optionally, the processor 1010 is configured to: add the decimal number corresponding to the TC-RNTI of the terminal and Y to obtain the decimal number corresponding to the C-RNTI of the terminal.
可选地,处理器1010用于:对所述终端的TC-RNTI进行Y位位置循环位移,获得所述终端的C-RNTI。Optionally, the processor 1010 is configured to: perform a Y-bit position cyclic shift on the TC-RNTI of the terminal to obtain the C-RNTI of the terminal.
可选地,在所述目标sub PDU包括第一C-RNTI相关信息的情况下,处理器1010用于:Optionally, in the case that the target sub PDU includes the first C-RNTI related information, the processor 1010 is configured to:
基于所述目标sub PDU中的第一C-RNTI相关信息,确定终端的C-RNTI。Based on the first C-RNTI related information in the target sub PDU, the C-RNTI of the terminal is determined.
可选地,处理器1010用于:基于所述目标sub PDU中MAC sub header中的第二C-RNTI相关信息,确定终端的C-RNTI。Optionally, the processor 1010 is configured to: determine the C-RNTI of the terminal based on the second C-RNTI related information in the MAC sub header in the target sub PDU.
可选地,所述第二C-RNTI相关信息包括以下至少一项:format信息;MAC sub header长度信息;MAC SDU长度信息;MAC-CE的长度信息;和逻辑信道ID。Optionally, the second C-RNTI related information includes at least one of the following: format information; MAC sub header length information; MAC SDU length information; MAC-CE length information; and a logical channel ID.
可选地,处理器1010用于:确定所述终端对应的传输所述第一PDSCH的HARQ-Ack的目标PUCCH传输资源。Optionally, the processor 1010 is configured to: determine a target PUCCH transmission resource corresponding to the terminal for transmitting the HARQ-Ack of the first PDSCH.
可选地,处理器1010用于:基于第一PDSCH中所述目标sub PDU所在MAC-PDU的顺序,确定所述目标PUCCH传输资源。Optionally, the processor 1010 is configured to: determine the target PUCCH transmission resource based on the sequence of MAC-PDUs in which the target sub PDU is located in the first PDSCH.
可选地,处理器1010用于:若所述目标sub PDU为第一PDSCH中的第1个MAC sub PDU,则确定终端的TC-RNTI加扰的PDCCH指示的PUCCH资源为所述目标PUCCH传输资源。Optionally, the processor 1010 is configured to: if the target sub PDU is the first MAC sub PDU in the first PDSCH, determine that the PUCCH resource indicated by the PDCCH scrambled by the TC-RNTI of the terminal is the target PUCCH transmission resource.
可选地,处理器1010用于:若所述目标sub PDU为第一PDSCH中的第Z个MAC Sub PDU,则基于Z确定所述目标PUCCH传输资源;其中,Z大于或等于1且Z为整数。Optionally, the processor 1010 is configured to: if the target sub PDU is the Zth MAC Sub PDU in the first PDSCH, determine the target PUCCH transmission resource based on Z; wherein Z is greater than or equal to 1 and Z is Integer.
可选地,处理器1010用于:基于Z对所述终端的TC-RNTI加扰的PDCCH指示的PUCCH资源进行计算,获得所述目标PUCCH传输资源。Optionally, the processor 1010 is configured to: calculate the PUCCH resource indicated by the PDCCH scrambled by the TC-RNTI of the terminal based on Z, to obtain the target PUCCH transmission resource.
可选地,处理器1010用于:将所述终端的TC-RNTI加扰的PDCCH指示的PUCCH资源的索引值与Z相加,获得所述目标PUCCH传输资源。Optionally, the processor 1010 is configured to: add the index value of the PUCCH resource indicated by the PDCCH scrambled by the TC-RNTI of the terminal to Z to obtain the target PUCCH transmission resource.
可选地,处理器1010用于:Optionally, processor 1010 is used to:
基于所述终端的TC-RNTI加扰的PDCCH指示的PUCCH资源的索引值与Z相加后与第一预设值作除法运算后的余数,确定所述目标PUCCH传输资源;所述第一预设值是预配置的或者协议预定义的。The target PUCCH transmission resource is determined based on the remainder after the index value of the PUCCH resource indicated by the PDCCH scrambled by the TC-RNTI of the terminal is added to Z and divided by the first preset value, and the target PUCCH transmission resource is determined; The settings are either preconfigured or predefined by the protocol.
可选地,在所述目标sub PDU包括第一HARQ-Ack传输资源相关信息的情况下,处理器1010用于:Optionally, in the case that the target sub PDU includes information related to the first HARQ-Ack transmission resource, the processor 1010 is configured to:
基于所述目标sub PDU中的第一HARQ-Ack传输资源相关信息,确定所述目标PUCCH传输资源。The target PUCCH transmission resource is determined based on the first HARQ-Ack transmission resource related information in the target sub PDU.
可选地,处理器1010用于:基于所述目标sub PDU中MAC sub header中的第二HARQ-Ack传输资源相关信息,确定所述目标PUCCH传输资源。Optionally, the processor 1010 is configured to: determine the target PUCCH transmission resource based on the second HARQ-Ack transmission resource related information in the MAC sub header in the target sub PDU.
可选地,所述第二HARQ-Ack传输资源相关信息包括以下至少一项:format信息;MAC sub header长度信息;MAC SDU长度信息;MAC-CE的长度信息;和逻辑信道ID。Optionally, the second HARQ-Ack transmission resource related information includes at least one of the following: format information; MAC sub header length information; MAC SDU length information; MAC-CE length information; and logical channel ID.
可选地,所述第一PDSCH还包括:第三指示信息,用于指示继续接收后续包含MAC SDU的至少一个MAC sub PDU。Optionally, the first PDSCH further includes: third indication information, which is used to instruct to continue to receive at least one MAC sub PDU containing the MAC SDU subsequently.
可选地,处理器1010用于:在预配置重复传输Message 3或基于第二指示信息确定重复传输Message 3的情况下,基于网络侧发送的第一PDSCH,确定竞争解决成功;Optionally, the processor 1010 is configured to: determine that the contention is successfully resolved based on the first PDSCH sent by the network side in the case of preconfiguring the repeated transmission of Message 3 or determining the repeated transmission of Message 3 based on the second indication information;
所述第二指示信息为预配置的或网络侧发送的。The second indication information is preconfigured or sent by the network side.
可选地,所述第二指示信息是网络侧通过RAR UL grant或者TC-RNTI加扰的PDCCH或者系统信息传输的。Optionally, the second indication information is transmitted by the network side through the PDCCH or system information scrambled by the RAR UL grant or the TC-RNTI.
可选地,处理器1010用于:Optionally, processor 1010 is used to:
在所述终端发送的Message 3的preamble满足第一预设条件的情况下,基于网络侧发送的第一PDSCH,确定竞争解决成功。In the case that the preamble of Message 3 sent by the terminal satisfies the first preset condition, based on the first PDSCH sent by the network side, it is determined that the contention is successfully resolved.
可选地,所述第一预设条件包括以下至少一项:Optionally, the first preset condition includes at least one of the following:
所述Preamble所属分组对应的RSRP值低于预设门限;The RSRP value corresponding to the group to which the Preamble belongs is lower than the preset threshold;
所述Preamble所属分组对应于Message 3的比特数大于第二预设值,所述第二预设值是预配置的;The number of bits corresponding to Message 3 in the group to which the Preamble belongs is greater than the second preset value, and the second preset value is preconfigured;
所述Preamble所属分组对应的Message 3重复传输;The Message 3 corresponding to the grouping to which the Preamble belongs is repeatedly transmitted;
所述Preamble所属分组关联第一TDRA表格,所述第一TDRA表格对应于所述Message 3的调度,和/或,所述第一TDRA表格中包含所述Message 3的重复传输次数;The group to which the Preamble belongs is associated with the first TDRA table, and the first TDRA table corresponds to the scheduling of the Message 3, and/or, the first TDRA table includes the repeated transmission times of the Message 3;
所述Preamble所属分组与所述终端的能力对应。The group to which the Preamble belongs corresponds to the capability of the terminal.
可选地,所述第一PDSCH传输的MAC sub PDU中包括S域;Optionally, an S field is included in the MAC sub PDU transmitted by the first PDSCH;
所述S域用于指示后续的MAC sub PDU是否为包含MAC SDU的MAC sub PDU。The S field is used to indicate whether the subsequent MAC sub PDU is a MAC sub PDU containing a MAC SDU.
可选地,处理器1010用于:基于所述S域接收后续的MAC sub PDU。Optionally, the processor 1010 is configured to: receive a subsequent MAC sub PDU based on the S domain.
可选地,所述后续的MAC sub PDU包含RRC信令;所述RRC信令和包含所述S域的sub PDU的第一PDSCH相关联。Optionally, the subsequent MAC sub PDU includes RRC signaling; the RRC signaling is associated with the first PDSCH of the sub PDU including the S domain.
可选地,所述第一PDSCH还包括以下至少一项:TA;功率控制命令TPC;Channel access-CP extention指示。Optionally, the first PDSCH further includes at least one of the following: TA; power control command TPC; Channel access-CP extension indication.
在本申请实施例中,在支持Message 3重复传输的情况下,终端通过接收网络侧发送的至少一个终端竞争解决ID中的目标终端竞争解决ID,确定竞争解决成功;可以实现至少一个终端竞争解决ID对应的至少一个终端确定竞争解决成功,可以实现至少一个终端同时竞争解决成功,减少了接入时延。In the embodiment of the present application, in the case of supporting the repeated transmission of Message 3, the terminal determines that the contention resolution is successful by receiving the target terminal contention resolution ID in at least one terminal contention resolution ID sent by the network side; at least one terminal contention resolution ID can be implemented; At least one terminal corresponding to the ID determines that the contention is successfully resolved, so that the at least one terminal can successfully resolve the contention at the same time, thereby reducing the access delay.
本申请实施例中的终端设备实施例是与上述方法实施例对应的产品实施例,上述方法实施例中的所有实现方式均适用于该终端设备实施例,亦可达到相同或相似的技术效果,故在此不再赘述。The terminal device embodiments in the embodiments of this application are product embodiments corresponding to the foregoing method embodiments, and all implementations in the foregoing method embodiments are applicable to the terminal device embodiments, and can also achieve the same or similar technical effects. Therefore, it will not be repeated here.
图11是本申请实施例提供的网络侧设备的硬件结构示意图。FIG. 11 is a schematic diagram of a hardware structure of a network side device provided by an embodiment of the present application.
如图11所示,该网络侧设备1100包括:天线1101、射频装置1102、基带装置1103。天线1101与射频装置1102连接。在上行方向上,射频装置1102通过天线1101接收信息,将接收的信息发送给基带装置1103进行处理。在下行方向上,基带装置1103对要发送的信息进行处理,并发送给射频装置1102,射频装置1102对收到的信息进行处理后经过天线1101发送出去。As shown in FIG. 11 , the network side device 1100 includes: an antenna 1101 , a radio frequency device 1102 , and a baseband device 1103 . The antenna 1101 is connected to the radio frequency device 1102 . In the uplink direction, the radio frequency device 1102 receives information through the antenna 1101, and sends the received information to the baseband device 1103 for processing. In the downlink direction, the baseband device 1103 processes the information to be sent and sends it to the radio frequency device 1102 , and the radio frequency device 1102 processes the received information and sends it out through the antenna 1101 .
上述频带处理装置可以位于基带装置1103中,以上实施例中网络侧设备执行的方法可以在基带装置1103中实现,该基带装置1103包括处理器1104和存储器1105。The above-mentioned frequency band processing apparatus may be located in the baseband apparatus 1103 , and the method performed by the network side device in the above embodiments may be implemented in the baseband apparatus 1103 , and the baseband apparatus 1103 includes a processor 1104 and a memory 1105 .
基带装置1103例如可以包括至少一个基带板,该基带板上设置有多个芯片,如图11所示,其中一个芯片例如为处理器1104,与存储器1105连接,以调用存储器1105中的程序,执行以上方法实施例中所示的网络设备操作。The baseband device 1103 may include, for example, at least one baseband board on which multiple chips are arranged, as shown in FIG. 11 , one of the chips is, for example, the processor 1104 , which is connected to the memory 1105 to call the program in the memory 1105 to execute The network devices shown in the above method embodiments operate.
该基带装置1103还可以包括网络接口1106,用于与射频装置1102交互信息,该接口例如为通用公共无线接口(common public radio interface,简称CPRI)。The baseband device 1103 may further include a network interface 1106 for exchanging information with the radio frequency device 1102, and the interface is, for example, a common public radio interface (CPRI for short).
具体地,本申请实施例的网络侧设备还包括:存储在存储器1105上并可在处理器1104上运行的指令或程序,处理器1104调用存储器1105中的指令或程序执行图8所示各模块执行的方法,并达到相同的技术效果,为避免重复,故不在此赘述。Specifically, the network-side device in this embodiment of the present application further includes: instructions or programs that are stored in the memory 1105 and run on the processor 1104, and the processor 1104 invokes the instructions or programs in the memory 1105 to execute the modules shown in FIG. 8 . The implementation method and achieve the same technical effect, in order to avoid repetition, it is not repeated here.
其中,处理器1104用于:发送第一PDSCH;所示第一PDSCH用于终端确定竞争解决成功;所述第一PDSCH包括:至少一个终端竞争解决ID,所述至少一个终端竞争解决ID包括所述终端的目标终端竞争解决ID。The processor 1104 is configured to: send the first PDSCH; the shown first PDSCH is used by the terminal to determine that the contention resolution is successful; the first PDSCH includes: at least one terminal contention resolution ID, and the at least one terminal contention resolution ID includes all The target terminal contention resolution ID of the terminal.
在本申请实施例中,在支持Message 3重复传输的情况下,网络侧通过向终端发送至少一个终端竞争解决ID中的目标终端竞争解决ID,确定竞争解决成功;可以实现至少一个终端竞争解决ID对应的至少一个终端确定竞争解决成功,可以实现至少一个终端同时竞争解决成功,减少了接入时延。In the embodiment of the present application, in the case of supporting the repeated transmission of Message 3, the network side determines that the contention resolution is successful by sending the target terminal contention resolution ID in at least one terminal contention resolution ID to the terminal; at least one terminal contention resolution ID can be implemented. If the corresponding at least one terminal determines that the contention is successfully resolved, it can be achieved that the at least one terminal has successfully resolved the contention at the same time, thereby reducing the access delay.
可选地,处理器1104用于:在仅收到部分终端的HARQ-Ack资源的情况下,重新向全部终端或所述部分终端发送所述第一PDSCH;其中,所述全部终端为网络侧发送了第一PDSCH的全部的终端。可选地,所述第一PDSCH包括:所述终端的TC-RNTI加扰的PDCCH调度的PDSCH。Optionally, the processor 1104 is configured to: in the case of only receiving the HARQ-Ack resources of some terminals, re-send the first PDSCH to all or the part of the terminals; wherein, all the terminals are the network side All terminals that have transmitted the first PDSCH. Optionally, the first PDSCH includes: the PDSCH scheduled by the PDCCH scrambled by the TC-RNTI of the terminal.
可选地,所述终端竞争解决ID包含在MAC sub PDU中。Optionally, the terminal contention resolution ID is included in the MAC sub PDU.
可选地,所述第一PDSCH还包括:第一C-RNTI相关信息和/或第一HARQ-Ack传输资源相关信息;Optionally, the first PDSCH further includes: first C-RNTI related information and/or first HARQ-Ack transmission resource related information;
其中,所述第一C-RNTI相关信息和/或第一HARQ-Ack传输资源相关信息包含在MAC sub PDU中。Wherein, the first C-RNTI related information and/or the first HARQ-Ack transmission resource related information is included in the MAC sub PDU.
可选地,包含在一个所述MAC sub PDU中的所有或部分信息相关联。Optionally, all or part of the information contained in one of said MAC sub PDUs is associated.
可选地,所述第一PDSCH还包括:第三指示信息,用于指示继续接收后续包含MAC SDU的至少一个MAC sub PDU。Optionally, the first PDSCH further includes: third indication information, which is used to instruct to continue to receive at least one MAC sub PDU containing the MAC SDU subsequently.
可选地,所述第一PDSCH传输的MAC sub PDU中包括S域;所述S域用于指示后续的MAC sub PDU是否为包含MAC SDU的MAC sub PDU。Optionally, the MAC sub PDU transmitted by the first PDSCH includes an S field; the S field is used to indicate whether the subsequent MAC sub PDU is a MAC sub PDU including a MAC SDU.
可选地,所述后续的MAC sub PDU包含RRC信令;所述RRC信令和包含所述S域的sub PDU的第一PDSCH相关联。Optionally, the subsequent MAC sub PDU includes RRC signaling; the RRC signaling is associated with the first PDSCH of the sub PDU including the S domain.
可选地,所述第一PDSCH还包括以下至少一项:TA;功率控制命令TPC;Channel access-CP extention指示。Optionally, the first PDSCH further includes at least one of the following: TA; power control command TPC; Channel access-CP extension indication.
在本申请实施例中,在支持Message 3重复传输的情况下,网络侧通过向终端发送至少一个终端竞争解决ID中的目标终端竞争解决ID,确定竞争解决成功;可以实现至少一个终端竞争解决ID对应的至少一个终端确定竞争解决成功,可以实现至少一个终端同时竞争解决成功,减少了接入时延。In the embodiment of the present application, in the case of supporting the repeated transmission of Message 3, the network side determines that the contention resolution is successful by sending the target terminal contention resolution ID in at least one terminal contention resolution ID to the terminal; at least one terminal contention resolution ID can be implemented. If the corresponding at least one terminal determines that the contention is successfully resolved, it can be achieved that the at least one terminal has successfully resolved the contention at the same time, thereby reducing the access delay.
本申请实施例中的网络侧设备实施例是与上述方法实施例对应的产品实施例,上述方法实施例中的所有实现方式均适用于该网络侧设备实施例,亦可达到相同或相似的技术效果,故在此不再赘述。The network-side device embodiments in the embodiments of the present application are product embodiments corresponding to the foregoing method embodiments, and all implementation manners in the foregoing method embodiments are applicable to the network-side device embodiments, and can also achieve the same or similar technologies effect, so it is not repeated here.
本申请实施例还提供一种可读存储介质,所述可读存储介质上存储有程序或指令,该程序或指令被处理器执行时实现上述竞争解决方法实施例的各个过程,且能达到相同的技术效果,为避免重复,这里不再赘述。Embodiments of the present application further provide a readable storage medium, where a program or an instruction is stored on the readable storage medium, and when the program or instruction is executed by a processor, each process of the foregoing contention resolution method embodiment can be achieved, and can achieve the same In order to avoid repetition, the technical effect will not be repeated here.
其中,所述处理器为上述实施例中所述的终端中的处理器。所述可读存储介质,包括计算机可读存储介质,如计算机只读存储器(Read-Only Memory,ROM)、随机存取存储器(Random Access Memory,RAM)、磁碟或者光盘等。Wherein, the processor is the processor in the terminal described in the foregoing embodiment. The readable storage medium includes a computer-readable storage medium, such as a computer read-only memory (Read-Only Memory, ROM), a random access memory (Random Access Memory, RAM), a magnetic disk or an optical disk, and the like.
本申请实施例另提供了一种芯片,所述芯片包括处理器和通信接口,所述通信接口和所述处理器耦合,所述处理器用于运行网络侧设备程序或指令,实现上述竞争解决方法实施例的各个过程,且能达到相同的技术效果,为避免重复,这里不再赘述。An embodiment of the present application further provides a chip, where the chip includes a processor and a communication interface, the communication interface is coupled to the processor, and the processor is used to run a network-side device program or instruction to implement the above contention resolution method Each process of the embodiment can achieve the same technical effect, and to avoid repetition, it will not be repeated here.
应理解,本申请实施例提到的芯片还可以称为系统级芯片,系统芯片,芯片系统或片上系统芯片等。It should be understood that the chip mentioned in the embodiments of the present application may also be referred to as a system-on-chip, a system-on-chip, a system-on-chip, or a system-on-a-chip, or the like.
需要说明的是,在本文中,术语“包括”、“包含”或者其任何其他变体意在涵盖非排他性的包含,从而使得包括一系列要素的过程、方法、物品或者装置不仅包括那些要素,而且还包括没有明确列出的其他要素,或者是还包括为这种过程、方法、物品或者装置所固有的要素。在没有更多限制的情况下,由语句“包括一个……”限定的要素,并不排除在包括该要素的过程、方法、物品或者装置中还存在另外的要素。此外,需要指出的是,本申请实施方式中的方法和装置的范围不限按示出或讨论的顺序来执行功能,还可包括根据所涉及的功能按基本同时的方式或按相反的顺序来执行,例如,可以按不同于所描述的次序来执行所描述的方法,并且还可以添加、省去、或组合各种步骤。另外,参照某些示例所描述的特征可在其他示例中被组合。It should be noted that, herein, the terms "comprising", "comprising" or any other variation thereof are intended to encompass non-exclusive inclusion, such that a process, method, article or device comprising a series of elements includes not only those elements, It also includes other elements not expressly listed or inherent to such a process, method, article or apparatus. Without further limitation, an element qualified by the phrase "comprising a..." does not preclude the presence of additional elements in the process, method, article, or apparatus that includes the element. Furthermore, it should be noted that the scope of the methods and apparatus in the embodiments of the present application is not limited to performing the functions in the order shown or discussed, but may also include performing the functions in a substantially simultaneous manner or in the reverse order depending on the functions involved. To perform, for example, the described methods may be performed in an order different from that described, and various steps may also be added, omitted, or combined. Additionally, features described with reference to some examples may be combined in other examples.
通过以上的实施方式的描述,本领域的技术人员可以清楚地了解到上述实施例方法可借助软件加必需的通用硬件平台的方式来实现,当然也可以通过硬件,但很多情况下前者是更佳的实施方式。基于这样的理解,本申请的技术方案本质上或者说对现有技术做出贡献的部分可以以软件产品的形式体现出来,该计算机软件产品存储在一个存储介质(如ROM/RAM、磁碟、光盘)中,包括若干指令用以使得一台终端(可以是手机,计算机,服务器,或者网络设备等)执行本申请各个实施例所述的方法。From the description of the above embodiments, those skilled in the art can clearly understand that the method of the above embodiment can be implemented by means of software plus a necessary general hardware platform, and of course can also be implemented by hardware, but in many cases the former is better implementation. Based on this understanding, the technical solution of the present application can be embodied in the form of a software product in essence or in a part that contributes to the prior art, and the computer software product is stored in a storage medium (such as ROM/RAM, magnetic disk, CD-ROM), including several instructions to make a terminal (which may be a mobile phone, a computer, a server, or a network device, etc.) execute the methods described in the various embodiments of this application.
上面结合附图对本申请的实施例进行了描述,但是本申请并不局限于上述的具体实施方式,上述的具体实施方式仅仅是示意性的,而不是限制性的,本领域的普通技术人员在本申请的启示下,在不脱离本申请宗旨和权利要求所保护的范围情况下,还可做出很多形式,均属于本申请的保护之内。The embodiments of the present application have been described above in conjunction with the accompanying drawings, but the present application is not limited to the above-mentioned specific embodiments, which are merely illustrative rather than restrictive. Under the inspiration of this application, without departing from the scope of protection of the purpose of this application and the claims, many forms can be made, which all fall within the protection of this application.

Claims (68)

  1. 一种竞争解决方法,所述方法包括:A contention resolution method comprising:
    终端基于网络侧发送的第一物理下行共享信道PDSCH,确定竞争解决成功;The terminal determines that the contention is successfully resolved based on the first physical downlink shared channel PDSCH sent by the network side;
    所述第一PDSCH包括:至少一个终端竞争解决身份标识ID,所述至少一个终端竞争解决ID包括所述终端的目标终端竞争解决ID。The first PDSCH includes: at least one terminal contention resolution ID, and the at least one terminal contention resolution ID includes a target terminal contention resolution ID of the terminal.
  2. 根据权利要求1所述的竞争解决方法,其中,所述第一PDSCH包括:所述终端的临时小区无线网络临时标识TC-RNTI加扰的物理下行控制信道PDCCH调度的PDSCH。The contention resolution method according to claim 1, wherein the first PDSCH comprises: a PDSCH scheduled by a physical downlink control channel (PDCCH) scrambled by a temporary cell radio network of the terminal temporarily identified by a TC-RNTI.
  3. 根据权利要求1或2所述的竞争解决方法,其中,所述终端竞争解决ID包含在媒体接入控制层子协议数据单元MAC sub PDU中。The contention resolution method according to claim 1 or 2, wherein the terminal contention resolution ID is included in a medium access control layer sub-protocol data unit MAC sub PDU.
  4. 根据权利要求3所述的竞争解决方法,其中,所述基于网络侧发送的第一PDSCH,确定竞争解决成功,包括:The contention resolution method according to claim 3, wherein determining that the contention resolution is successful based on the first PDSCH sent by the network side comprises:
    若第一PDSCH的目标子协议数据单元sub PDU中包括所述终端的目标终端竞争解决ID,则确定所述终端竞争解决成功;If the target sub-protocol data unit sub PDU of the first PDSCH includes the target terminal contention resolution ID of the terminal, it is determined that the terminal contention is successfully resolved;
    所述目标终端竞争解决ID与所述终端在消息Message 3的共同控制信道服务数据单元CCCH SDU匹配。The target terminal contention resolution ID matches the common control channel service data unit CCCH SDU of the terminal in message Message 3.
  5. 根据权利要求1或2或4所述的竞争解决方法,其中,所述第一PDSCH还包括:第一小区无线网络临时标识C-RNTI相关信息和/或第一混合自动重传请求确认HARQ-Ack传输资源相关信息;The contention resolution method according to claim 1, 2 or 4, wherein the first PDSCH further comprises: first cell wireless network temporary identifier C-RNTI related information and/or first hybrid automatic repeat request acknowledgement HARQ- Ack transmits resource-related information;
    其中,所述第一C-RNTI相关信息和/或第一HARQ-Ack传输资源相关信息包含在MAC sub PDU中。Wherein, the first C-RNTI related information and/or the first HARQ-Ack transmission resource related information is included in the MAC sub PDU.
  6. 根据权利要求5所述的竞争解决方法,其中,包含在一个所述MAC sub PDU中的所有或部分信息相关联。The contention resolution method of claim 5, wherein all or part of the information contained in one of said MAC sub PDUs is associated.
  7. 根据权利要求4或6所述的竞争解决方法,其中,所述方法还包括:The contention resolution method according to claim 4 or 6, wherein the method further comprises:
    确定终端的C-RNTI。Determine the C-RNTI of the terminal.
  8. 根据权利要求7所述的竞争解决方法,其中,所述确定终端的C-RNTI,包括:The contention resolution method according to claim 7, wherein the determining the C-RNTI of the terminal comprises:
    基于第一PDSCH中所述目标sub PDU所在媒体接入控制层协议数据单元MAC-PDU的顺序,确定所述终端的C-RNTI。The C-RNTI of the terminal is determined based on the sequence of the medium access control layer protocol data unit MAC-PDU in the first PDSCH where the target sub PDU is located.
  9. 根据权利要求8所述的竞争解决方法,其中,所述基于第一PDSCH中所述目标sub PDU所在MAC-PDU的顺序,确定所述终端的C-RNTI,包括:The contention resolution method according to claim 8, wherein the determining the C-RNTI of the terminal based on the order of the MAC-PDU in which the target sub PDU is located in the first PDSCH comprises:
    若所述目标sub PDU为第一PDSCH中的第1个MAC sub PDU,则确定终端的TC-RNTI作为终端的C-RNTI。If the target sub PDU is the first MAC sub PDU in the first PDSCH, determine the TC-RNTI of the terminal as the C-RNTI of the terminal.
  10. 根据权利要求8所述的竞争解决方法,其中,所述基于第一PDSCH中所述目标sub PDU所在MAC-PDU的顺序,确定所述终端的C-RNTI,包括:The contention resolution method according to claim 8, wherein the determining the C-RNTI of the terminal based on the order of the MAC-PDU in which the target sub PDU is located in the first PDSCH comprises:
    若所述目标sub PDU为第一PDSCH中的第X个MAC sub PDU,则基于X确定所述终端的C-RNTI;其中,X大于或等于1且X为整数。If the target sub PDU is the X th MAC sub PDU in the first PDSCH, the C-RNTI of the terminal is determined based on X; where X is greater than or equal to 1 and X is an integer.
  11. 根据权利要求10所述的竞争解决方法,其中,所述基于X确定所述终端的C-RNTI,包括:The contention resolution method according to claim 10, wherein the determining the C-RNTI of the terminal based on X comprises:
    基于Y对所述终端的TC-RNTI进行计算,获得所述终端的C-RNTI;Calculate the TC-RNTI of the terminal based on Y to obtain the C-RNTI of the terminal;
    其中,所述Y基于所述X确定。wherein the Y is determined based on the X.
  12. 根据权利要求11所述的竞争解决方法,其中,所述基于Y对所述终端的TC-RNTI进行计算,获得所述终端的C-RNTI,包括:The contention resolution method according to claim 11, wherein the calculating the TC-RNTI of the terminal based on Y to obtain the C-RNTI of the terminal comprises:
    将所述终端的TC-RNTI对应的十进制数与Y相加,获得所述终端的C-RNTI对应的十进制数。The decimal number corresponding to the TC-RNTI of the terminal is added to Y to obtain the decimal number corresponding to the C-RNTI of the terminal.
  13. 根据权利要求11所述的竞争解决方法,其中,所述基于Y对所述终端的TC-RNTI进行计算,获得所述终端的C-RNTI,包括:The contention resolution method according to claim 11, wherein the calculating the TC-RNTI of the terminal based on Y to obtain the C-RNTI of the terminal comprises:
    对所述终端的TC-RNTI进行Y位位置循环位移,获得所述终端的C-RNTI。Perform a Y-bit position cyclic shift on the TC-RNTI of the terminal to obtain the C-RNTI of the terminal.
  14. 根据权利要求7所述的竞争解决方法,其中,在所述目标sub PDU包括第一C-RNTI相关信息的情况下,所述确定终端的C-RNTI,包括:The contention resolution method according to claim 7, wherein, in the case that the target sub PDU includes the first C-RNTI related information, the determining the C-RNTI of the terminal comprises:
    基于所述目标sub PDU中的第一C-RNTI相关信息,确定终端的C-RNTI。Based on the first C-RNTI related information in the target sub PDU, the C-RNTI of the terminal is determined.
  15. 根据权利要求7所述的竞争解决方法,其中,所述确定终端的C-RNTI,包括:The contention resolution method according to claim 7, wherein the determining the C-RNTI of the terminal comprises:
    基于所述目标sub PDU中MAC子报头sub header中的第二C-RNTI相关信息,确定终端的C-RNTI。Based on the second C-RNTI related information in the MAC subheader subheader in the target sub PDU, the C-RNTI of the terminal is determined.
  16. 根据权利要求15所述的竞争解决方法,其中,所述第二C-RNTI相关信息包括以下至少一项:The contention resolution method according to claim 15, wherein the second C-RNTI related information includes at least one of the following:
    格式format信息;MAC sub header长度信息;媒体接入控制层服务数据单元MAC SDU长度信息;媒体接入控制层控制信息MAC-CE的长度信息;和逻辑信道ID。format information; MAC sub header length information; medium access control layer service data unit MAC SDU length information; medium access control layer control information MAC-CE length information; and logical channel ID.
  17. 根据权利要求4或6所述的竞争解决方法,其中,所述方法还包括:The contention resolution method according to claim 4 or 6, wherein the method further comprises:
    确定所述终端对应的传输所述第一PDSCH的HARQ-Ack的目标物理上行控制信道PUCCH传输资源。Determine the target physical uplink control channel PUCCH transmission resource corresponding to the terminal for transmitting the HARQ-Ack of the first PDSCH.
  18. 根据权利要求17所述的竞争解决方法,其中,所述确定所述终端对应的传输所述第一PDSCH的The contention resolution method according to claim 17, wherein the determining of the corresponding terminal for transmitting the first PDSCH
    HARQ-Ack的目标PUCCH传输资源,包括:The target PUCCH transmission resources of HARQ-Ack include:
    基于第一PDSCH中所述目标sub PDU所在MAC-PDU的顺序,确定所述目标PUCCH传输资源。The target PUCCH transmission resource is determined based on the order of the MAC-PDU in the first PDSCH where the target sub PDU is located.
  19. 根据权利要求18所述的竞争解决方法,其中,所述基于第一PDSCH中所述目标sub PDU所在MAC-PDU的顺序,确定所述目标PUCCH传输资源,包括:The contention resolution method according to claim 18, wherein the determining the target PUCCH transmission resource based on the order of the MAC-PDU in the first PDSCH where the target sub PDU is located comprises:
    若所述目标sub PDU为第一PDSCH中的第1个MAC sub PDU,则确定终端的TC-RNTI加扰的PDCCH指示的PUCCH资源为所述目标PUCCH传输资源。If the target sub PDU is the first MAC sub PDU in the first PDSCH, it is determined that the PUCCH resource indicated by the PDCCH scrambled by the TC-RNTI of the terminal is the target PUCCH transmission resource.
  20. 根据权利要求18所述的竞争解决方法,其中,所述基于第一PDSCH中所述目标sub PDU所在MAC-PDU的顺序,确定所述目标PUCCH传输资源,包括:The contention resolution method according to claim 18, wherein the determining the target PUCCH transmission resource based on the order of the MAC-PDU in the first PDSCH where the target sub PDU is located comprises:
    若所述目标sub PDU为第一PDSCH中的第Z个MAC sub PDU,则基于Z确定所述目标PUCCH传输资源;其中,Z大于或等于1且Z为整数。If the target sub PDU is the Z th MAC sub PDU in the first PDSCH, the target PUCCH transmission resource is determined based on Z; wherein Z is greater than or equal to 1 and Z is an integer.
  21. 根据权利要求20所述的竞争解决方法,其中,所述基于Z确定所述目标PUCCH传输资源,包括:The contention resolution method according to claim 20, wherein the determining the target PUCCH transmission resource based on Z comprises:
    基于Z对所述终端的TC-RNTI加扰的PDCCH指示的PUCCH资源进行计算,获得所述目标PUCCH传输资源。The target PUCCH transmission resource is obtained by calculating the PUCCH resource indicated by the PDCCH scrambled by the TC-RNTI of the terminal based on Z.
  22. 根据权利要求21所述的竞争解决方法,其中,所述基于Z对所述终端的TC-RNTI加扰的PDCCH指示的PUCCH资源进行计算,获得所述目标PUCCH传输资源,包括:The contention resolution method according to claim 21, wherein the calculation of the PUCCH resource indicated by the PDCCH scrambled by the TC-RNTI of the terminal based on Z to obtain the target PUCCH transmission resource comprises:
    将所述终端的TC-RNTI加扰的PDCCH指示的PUCCH资源的索引值与Z相加,获得所述目标PUCCH传输资源。The target PUCCH transmission resource is obtained by adding the index value of the PUCCH resource indicated by the PDCCH scrambled by the TC-RNTI of the terminal to Z.
  23. 根据权利要求21所述的竞争解决方法,其中,所述基于Z对所述终端的TC-RNTI加扰的PDCCH指示的PUCCH资源进行计算,获得所述目标PUCCH传输资源,包括:The contention resolution method according to claim 21, wherein the calculation of the PUCCH resource indicated by the PDCCH scrambled by the TC-RNTI of the terminal based on Z to obtain the target PUCCH transmission resource comprises:
    基于所述终端的TC-RNTI加扰的PDCCH指示的PUCCH资源的索引值与Z相加后与第一预设值作除法运算后的余数,确定所述目标PUCCH传输资源;所述第一预设值是预配置的或者协议预定义的。The target PUCCH transmission resource is determined based on the remainder after the index value of the PUCCH resource indicated by the PDCCH scrambled by the TC-RNTI of the terminal is added to Z and divided by the first preset value, and the target PUCCH transmission resource is determined; The settings are either preconfigured or predefined by the protocol.
  24. 根据权利要求17所述的竞争解决方法,其中,在所述目标sub PDU包括第一HARQ-Ack传输资源相关信息的情况下,所述确定所述终端对应的传输所述第一PDSCH的HARQ-Ack的目标PUCCH传输资源,包括:The contention resolution method according to claim 17, wherein in the case that the target sub PDU includes information related to the first HARQ-Ack transmission resource, the determining of the HARQ-Ack corresponding to the terminal for transmitting the first PDSCH is performed. Ack's target PUCCH transmission resources, including:
    基于所述目标sub PDU中的第一HARQ-Ack传输资源相关信息,确定所述目标PUCCH传输资源。The target PUCCH transmission resource is determined based on the first HARQ-Ack transmission resource related information in the target sub PDU.
  25. 根据权利要求17所述的竞争解决方法,其中,所述确定终端的目标PUCCH传输资源,包括:The contention resolution method according to claim 17, wherein the determining the target PUCCH transmission resource of the terminal comprises:
    基于所述目标sub PDU中MAC sub header中的第二HARQ-Ack传输资源相关信息,确定所述目标PUCCH传输资源。The target PUCCH transmission resource is determined based on the second HARQ-Ack transmission resource related information in the MAC sub header in the target sub PDU.
  26. 根据权利要求25所述的竞争解决方法,其中,所述第二HARQ-Ack传输资源相关信息包括以下至少一项:The contention resolution method according to claim 25, wherein the second HARQ-Ack transmission resource related information includes at least one of the following:
    format信息;MAC sub header长度信息;MAC SDU长度信息;MAC-CE的长度信息;和逻辑信道ID。format information; MAC sub header length information; MAC SDU length information; MAC-CE length information; and logical channel ID.
  27. 根据权利要求2或4或6或8至16任一项或18至26任一项所述的竞争解决方法,其中,所述第一PDSCH还包括:The contention resolution method according to any one of claims 2 or 4 or 6 or 8 to 16 or any one of 18 to 26, wherein the first PDSCH further comprises:
    第三指示信息,用于指示继续接收后续包含MAC SDU的至少一个MAC sub PDU。The third indication information is used to instruct to continue to receive at least one MAC sub PDU that subsequently contains the MAC SDU.
  28. 根据权利要求1或2或4或6或8至16任一项或18至26任一项所述的竞争解决方法,其中,所述方法还包括:The competition resolution method according to any one of claims 1 or 2 or 4 or 6 or any one of 8 to 16 or any one of 18 to 26, wherein the method further comprises:
    在预配置重复传输Message 3或基于第二指示信息确定重复传输Message 3的情况下,基于网络侧发送的第一PDSCH,确定竞争解决成功;In the case of preconfiguring the repeated transmission of Message 3 or determining the repeated transmission of Message 3 based on the second indication information, based on the first PDSCH sent by the network side, it is determined that the contention is successfully resolved;
    所述第二指示信息为预配置的或网络侧发送的。The second indication information is preconfigured or sent by the network side.
  29. 根据权利要求28所述的竞争解决方法,其中,所述第二指示信息是网络侧通过随机接入响应上行授权资源RAR UL grant或者TC-RNTI加扰的PDCCH或者系统信息传输的。The contention resolution method according to claim 28, wherein the second indication information is transmitted by the network side through the random access response uplink grant resource RAR UL grant or TC-RNTI scrambled PDCCH or system information.
  30. 根据权利要求1或2或4或6或8至16任一项或18至26任一项所述的竞争解决方法,其中,所述方法还包括:The competition resolution method according to any one of claims 1 or 2 or 4 or 6 or any one of 8 to 16 or any one of 18 to 26, wherein the method further comprises:
    在所述终端发送的Message 3的前导码preamble满足第一预设条件的情况下,基于网络侧发送的第一PDSCH,确定竞争解决成功。In the case that the preamble of Message 3 sent by the terminal satisfies the first preset condition, it is determined that the contention is successfully resolved based on the first PDSCH sent by the network side.
  31. 根据权利要求30所述的竞争解决方法,其中,所述第一预设条件包括以下至少一项:The contention resolution method according to claim 30, wherein the first preset condition includes at least one of the following:
    所述Preamble所属分组对应的参考信号接收功率RSRP值低于预设门限;The RSRP value of the reference signal received power corresponding to the group to which the Preamble belongs is lower than the preset threshold;
    所述Preamble所属分组对应于Message 3的比特数大于第二预设值,所述第二预设值是预配置的;The number of bits corresponding to Message 3 in the group to which the Preamble belongs is greater than the second preset value, and the second preset value is preconfigured;
    所述Preamble所属分组对应的Message 3重复传输;The Message 3 corresponding to the grouping to which the Preamble belongs is repeatedly transmitted;
    所述Preamble所属分组关联第一时域资源分配TDRA表格,所述第一TDRA表格对应于所述Message 3的调度,和/或,所述第一TDRA表格中包含所述Message 3的重复传输次数;The group to which the Preamble belongs is associated with a first time domain resource allocation TDRA table, and the first TDRA table corresponds to the scheduling of the Message 3, and/or, the first TDRA table includes the repeated transmission times of the Message 3 ;
    所述Preamble所属分组与所述终端的能力对应。The group to which the Preamble belongs corresponds to the capability of the terminal.
  32. 根据权利要求4或6或8至16任一项或18至26任一项所述的竞争解决方法,其中,所述第一PDSCH传输的MAC sub PDU中包括S域;The contention resolution method according to any one of claims 4 or 6 or 8 to 16 or any one of 18 to 26, wherein the MAC sub PDU of the first PDSCH transmission includes an S field;
    所述S域用于指示后续的MAC sub PDU是否为包含MAC SDU的MAC sub PDU。The S field is used to indicate whether the subsequent MAC sub PDU is a MAC sub PDU containing a MAC SDU.
  33. 根据权利要求32所述的竞争解决方法,其中,所述方法还包括:The contention resolution method of claim 32, wherein the method further comprises:
    基于所述S域接收后续的MAC sub PDU。Subsequent MAC sub PDUs are received based on the S domain.
  34. 根据权利要求33所述的竞争解决方法,其中,所述后续的MAC sub PDU包含无线资源控制RRC信令;The contention resolution method of claim 33, wherein the subsequent MAC sub PDU includes radio resource control RRC signaling;
    所述RRC信令和包含所述S域的sub PDU的第一PDSCH相关联。The RRC signaling is associated with the first PDSCH containing the sub PDU of the S domain.
  35. 根据权利要求5所述的竞争解决方法,其中,所述第一PDSCH还包括以下至少一项:The contention resolution method according to claim 5, wherein the first PDSCH further comprises at least one of the following:
    定时提前TA;功率控制命令TPC command;信道接入-循环前缀扩展Channel access-CP extention指示。Timing Advance TA; Power Control Command TPC Command; Channel Access-Cyclic Prefix Extension Channel Access-CP Extention Indication.
  36. 一种竞争解决方法,所述方法包括:A contention resolution method comprising:
    网络侧发送第一物理下行共享信道PDSCH;The network side sends the first physical downlink shared channel PDSCH;
    所示第一PDSCH用于终端确定竞争解决成功;The shown first PDSCH is used for the terminal to determine that the contention is successfully resolved;
    所述第一PDSCH包括:至少一个终端竞争解决身份标识ID,所述至少一个终端竞争解决ID包括所述终端的目标终端竞争解决ID。The first PDSCH includes: at least one terminal contention resolution ID, and the at least one terminal contention resolution ID includes a target terminal contention resolution ID of the terminal.
  37. 根据权利要求36所述的竞争解决方法,其中,所述方法还包括:The contention resolution method of claim 36, wherein the method further comprises:
    在仅收到部分终端的混合自动重传请求确认HARQ-Ack资源的情况下,重新向全部终端或所述部分终端发送所述第一PDSCH;In the case that the HARQ-Ack resource is confirmed by only receiving the HARQ-Ack resource from some terminals, retransmitting the first PDSCH to all the terminals or the part of the terminals;
    其中,所述全部终端为网络侧发送了第一PDSCH的全部的终端。Wherein, all the terminals are all the terminals that have sent the first PDSCH from the network side.
  38. 一种竞争解决装置,所述装置包括:A competition resolution device, the device includes:
    第一确定模块,用于基于网络侧发送的第一物理下行共享信道PDSCH,确定竞争解决成功;a first determining module, configured to determine that the contention is successfully resolved based on the first physical downlink shared channel PDSCH sent by the network side;
    所述第一PDSCH包括:至少一个终端竞争解决身份标识ID,所述至少一个终端竞争解决ID包括所述终端的目标终端竞争解决ID。The first PDSCH includes: at least one terminal contention resolution ID, and the at least one terminal contention resolution ID includes a target terminal contention resolution ID of the terminal.
  39. 根据权利要求38所述的竞争解决装置,其中,所述第一确定模块还用于:The contention resolution apparatus according to claim 38, wherein the first determining module is further configured to:
    若第一PDSCH的目标子协议数据单元sub PDU中包括所述终端的目标终端竞争解决ID,则确定所述终端竞争解决成功;If the target sub-protocol data unit sub PDU of the first PDSCH includes the target terminal contention resolution ID of the terminal, it is determined that the terminal contention is successfully resolved;
    所述目标终端竞争解决ID与所述终端在Message 3的共同控制信道服务数据单元CCCH SDU匹配。The target terminal contention resolution ID matches the common control channel service data unit CCCH SDU of the terminal in Message 3.
  40. 根据权利要求38所述的竞争解决装置,其中,所述装置还包括:The contention resolution apparatus of claim 38, wherein the apparatus further comprises:
    第二确定模块,用于确定终端的小区无线网络临时标识C-RNTI。The second determining module is configured to determine the cell radio network temporary identifier C-RNTI of the terminal.
  41. 根据权利要求40所述的竞争解决装置,其中,所述第二确定模块,具体用于:基于第一PDSCH中所述目标sub PDU所在媒体接入控制层协议数据单元MAC-PDU的顺序,确定所述终端的C-RNTI。The contention resolution apparatus according to claim 40, wherein the second determining module is specifically configured to: determine based on the order of the medium access control layer protocol data unit (MAC-PDU) where the target sub PDU in the first PDSCH is located, determine C-RNTI of the terminal.
  42. 根据权利要求41所述的竞争解决装置,其中,所述第二确定模块,具体用于:若所述目标sub PDU为 第一PDSCH中的第1个MAC sub PDU,则确定终端的临时小区无线网络临时标识TC-RNTI作为终端的C-RNTI。The contention resolution apparatus according to claim 41, wherein the second determining module is specifically configured to: if the target sub PDU is the first MAC sub PDU in the first PDSCH, determine the temporary cell radio of the terminal The network temporarily identifies the TC-RNTI as the C-RNTI of the terminal.
  43. 根据权利要求41所述的竞争解决装置,其中,所述第二确定模块,具体用于:The contention resolution apparatus according to claim 41, wherein the second determining module is specifically configured to:
    若所述目标sub PDU为第一PDSCH中的第X个MAC sub PDU,则基于X确定所述终端的C-RNTI;其中,X大于或等于1且X为整数。If the target sub PDU is the Xth MAC sub PDU in the first PDSCH, the C-RNTI of the terminal is determined based on X; where X is greater than or equal to 1 and X is an integer.
  44. 根据权利要求43所述的竞争解决装置,其中,所述第二确定模块,具体用于:The contention resolution apparatus according to claim 43, wherein the second determining module is specifically configured to:
    基于Y对所述终端的TC-RNTI进行计算,获得所述终端的C-RNTI;Calculate the TC-RNTI of the terminal based on Y to obtain the C-RNTI of the terminal;
    其中,所述Y基于所述X确定。wherein the Y is determined based on the X.
  45. 根据权利要求44所述的竞争解决装置,其中,所述第二确定模块,具体用于:The contention resolution apparatus according to claim 44, wherein the second determining module is specifically configured to:
    将所述终端的TC-RNTI对应的十进制数与Y相加,获得所述终端的C-RNTI对应的十进制数。The decimal number corresponding to the TC-RNTI of the terminal is added to Y to obtain the decimal number corresponding to the C-RNTI of the terminal.
  46. 根据权利要求44所述的竞争解决装置,其中,所述第二确定模块,具体用于:The contention resolution apparatus according to claim 44, wherein the second determining module is specifically configured to:
    对所述终端的TC-RNTI进行Y位位置循环位移,获得所述终端的C-RNTI。Perform a Y-bit position cyclic shift on the TC-RNTI of the terminal to obtain the C-RNTI of the terminal.
  47. 根据权利要求40所述的竞争解决装置,其中,在所述目标sub PDU包括第一C-RNTI相关信息的情况下,所述第二确定模块,具体用于:The contention resolution apparatus according to claim 40, wherein, in the case that the target sub PDU includes the first C-RNTI related information, the second determining module is specifically configured to:
    基于所述目标sub PDU中的第一C-RNTI相关信息,确定终端的C-RNTI。Based on the first C-RNTI related information in the target sub PDU, the C-RNTI of the terminal is determined.
  48. 根据权利要求40所述的竞争解决装置,其中,所述第二确定模块,具体用于:The contention resolution apparatus according to claim 40, wherein the second determining module is specifically configured to:
    基于所述目标sub PDU中MAC sub header中的第二C-RNTI相关信息,确定终端的C-RNTI。Based on the second C-RNTI related information in the MAC sub header in the target sub PDU, the C-RNTI of the terminal is determined.
  49. 根据权利要求38所述的竞争解决装置,其中,所述装置还包括:The contention resolution apparatus of claim 38, wherein the apparatus further comprises:
    第三确定模块,用于确定所述终端对应的传输所述第一PDSCH的混合自动重传请求确认HARQ-Ack的目标物理上行控制信道PUCCH传输资源。The third determining module is configured to determine the target physical uplink control channel PUCCH transmission resource corresponding to the terminal for transmitting the HARQ-Ack of the HARQ-Ack for transmitting the hybrid automatic repeat request of the first PDSCH.
  50. 根据权利要求49所述的竞争解决装置,其中,所述第三确定模块,具体用于:The contention resolution apparatus according to claim 49, wherein the third determining module is specifically configured to:
    基于第一PDSCH中所述目标sub PDU所在MAC-PDU的顺序,确定所述目标PUCCH传输资源。The target PUCCH transmission resource is determined based on the order of the MAC-PDU in the first PDSCH where the target sub PDU is located.
  51. 根据权利要求50所述的竞争解决装置,其中,所述第三确定模块,具体用于:The contention resolution apparatus according to claim 50, wherein the third determining module is specifically configured to:
    若所述目标sub PDU为第一PDSCH中的第1个MAC sub PDU,则确定终端的TC-RNTI加扰的PDCCH指示的PUCCH资源为所述目标PUCCH传输资源。If the target sub PDU is the first MAC sub PDU in the first PDSCH, it is determined that the PUCCH resource indicated by the PDCCH scrambled by the TC-RNTI of the terminal is the target PUCCH transmission resource.
  52. 根据权利要求50所述的竞争解决装置,其中,所述第三确定模块,具体用于:The contention resolution apparatus according to claim 50, wherein the third determining module is specifically configured to:
    若所述目标sub PDU为第一PDSCH中的第Z个MAC sub PDU,则基于Z确定所述目标PUCCH传输资源;其中,Z大于或等于1且Z为整数。If the target sub PDU is the Z th MAC sub PDU in the first PDSCH, the target PUCCH transmission resource is determined based on Z; wherein Z is greater than or equal to 1 and Z is an integer.
  53. 根据权利要求52所述的竞争解决装置,其中,所述第三确定模块,具体用于:The contention resolution apparatus according to claim 52, wherein the third determining module is specifically configured to:
    基于Z对所述终端的TC-RNTI加扰的PDCCH指示的PUCCH资源进行计算,获得所述目标PUCCH传输资源。Calculate the PUCCH resource indicated by the PDCCH scrambled by the TC-RNTI of the terminal based on Z, to obtain the target PUCCH transmission resource.
  54. 根据权利要求53所述的竞争解决装置,其中,所述第三确定模块,具体用于:The contention resolution apparatus according to claim 53, wherein the third determining module is specifically configured to:
    将所述终端的TC-RNTI加扰的PDCCH指示的PUCCH资源的索引值与Z相加,获得所述目标PUCCH传输资源。The target PUCCH transmission resource is obtained by adding the index value of the PUCCH resource indicated by the PDCCH scrambled by the TC-RNTI of the terminal to Z.
  55. 根据权利要求53所述的竞争解决装置,其中,所述第三确定模块,具体用于:The contention resolution apparatus according to claim 53, wherein the third determining module is specifically configured to:
    基于所述终端的TC-RNTI加扰的PDCCH指示的PUCCH资源的索引值与Z相加后与第一预设值作除法运算后的余数,确定所述目标PUCCH传输资源;所述第一预设值是预配置的或者协议预定义的。The target PUCCH transmission resource is determined based on the remainder after the index value of the PUCCH resource indicated by the PDCCH scrambled by the TC-RNTI of the terminal is added to Z and divided by the first preset value, and the target PUCCH transmission resource is determined; The settings are either preconfigured or predefined by the protocol.
  56. 根据权利要求49所述的竞争解决装置,其中,在所述目标sub PDU包括第一HARQ-Ack传输资源相关信息的情况下,所述第三确定模块,具体用于:The contention resolution apparatus according to claim 49, wherein, in the case that the target sub PDU includes the first HARQ-Ack transmission resource related information, the third determining module is specifically configured to:
    基于所述目标sub PDU中的第一HARQ-Ack传输资源相关信息,确定所述目标PUCCH传输资源。The target PUCCH transmission resource is determined based on the first HARQ-Ack transmission resource related information in the target sub PDU.
  57. 根据权利要求49所述的竞争解决装置,其中,所述第三确定模块,具体用于:The contention resolution apparatus according to claim 49, wherein the third determining module is specifically configured to:
    基于所述目标sub PDU中MAC sub header中的第二HARQ-Ack传输资源相关信息,确定所述目标PUCCH传输资源。The target PUCCH transmission resource is determined based on the second HARQ-Ack transmission resource related information in the MAC sub header in the target sub PDU.
  58. 根据权利要求38或39或41至48任一项或50至57任一项所述的竞争解决装置,其中,所述装置还包括:The contention resolution apparatus according to any one of claims 38 or 39 or 41 to 48 or any one of 50 to 57, wherein the apparatus further comprises:
    第四确定模块,用于在预配置重复传输Message 3或基于第二指示信息确定重复传输Message 3的情况下,基于网络侧发送的第一PDSCH,确定竞争解决成功;The fourth determination module is used to determine that the contention is successfully resolved based on the first PDSCH sent by the network side in the case of preconfiguring the repeated transmission Message 3 or determining the repeated transmission of the Message 3 based on the second indication information;
    所述第二指示信息为预配置的或网络侧发送的。The second indication information is preconfigured or sent by the network side.
  59. 根据权利要求38或39或41至48任一项或50至57所述的竞争解决装置,其中,所述装置还包括:The contention resolution apparatus of any one of claims 38 or 39 or 41 to 48 or 50 to 57, wherein the apparatus further comprises:
    第五确定模块,用于在所述终端发送的Message 3的前导码preamble满足第一预设条件的情况下,基于网络侧发送的第一PDSCH,确定竞争解决成功。The fifth determination module is configured to determine that the contention is successfully resolved based on the first PDSCH sent by the network side when the preamble of the Message 3 sent by the terminal meets the first preset condition.
  60. 一种竞争解决装置,所述装置包括:A competition resolution device, the device includes:
    第一发送模块,用于发送第一物理下行共享信道PDSCH;a first sending module, configured to send the first physical downlink shared channel PDSCH;
    所示第一PDSCH用于终端确定竞争解决成功;The shown first PDSCH is used for the terminal to determine that the contention is successfully resolved;
    所述第一PDSCH包括:至少一个终端竞争解决身份标识ID,所述至少一个终端竞争解决ID包括所述终端的目标终端竞争解决ID。The first PDSCH includes: at least one terminal contention resolution ID, and the at least one terminal contention resolution ID includes a target terminal contention resolution ID of the terminal.
  61. 根据权利要求60所述的竞争解决装置,其中,所述装置还包括:The contention resolution apparatus of claim 60, wherein the apparatus further comprises:
    第二发送模块,用于在仅收到部分终端的混合自动重传请求确认HARQ-Ack资源的情况下,重新向全部终端或所述部分终端发送所述第一PDSCH;a second sending module, configured to re-send the first PDSCH to all the terminals or the part of the terminals under the condition that only the HARQ-Ack resources are confirmed by the HARQ-Ack resources from some of the terminals;
    其中,所述全部终端为网络侧发送了第一PDSCH的全部的终端。Wherein, all the terminals are all the terminals that have sent the first PDSCH from the network side.
  62. 一种终端设备,包括处理器,存储器及存储在所述存储器上并可在所述处理器上运行的程序或指令,所述程序或指令被所述处理器执行时实现如权利要求1至35任一项所述的竞争解决方法的步骤。A terminal device, comprising a processor, a memory, and a program or instruction stored on the memory and executable on the processor, the program or instruction being executed by the processor as claimed in claims 1 to 35 The steps of any one of the contention resolution methods.
  63. 一种网络侧设备,包括处理器,存储器及存储在所述存储器上并可在所述处理器上运行的程序或指令,所述程序或指令被所述处理器执行时实现如权利要求36至37任一项所述的竞争解决方法的步骤。A network-side device, comprising a processor, a memory, and a program or instruction stored on the memory and executable on the processor, the program or instruction being executed by the processor to achieve as claimed in claim 36 to 37 The steps of any one of the contention resolution methods.
  64. 一种可读存储介质,所述可读存储介质上存储程序或指令,所述程序或指令被所述处理器执行时实现如权利要求1至37任一项所述的竞争解决方法的步骤。A readable storage medium on which programs or instructions are stored, the programs or instructions implementing the steps of the contention resolution method according to any one of claims 1 to 37 when executed by the processor.
  65. 一种计算机软件产品,所述计算机软件产品被至少一个处理器执行以实现如权利要求1至37中任一项所述的竞争解决方法。A computer software product executed by at least one processor to implement the contention resolution method of any one of claims 1 to 37.
  66. 一种终端设备,包括所述终端设备被配置成用于执行如权利要求1至35中任一项所述的竞争解决方法。A terminal device comprising the terminal device configured to perform the contention resolution method of any one of claims 1 to 35.
  67. 一种网络侧设备,包括所述网络侧设备被配置成用于执行如权利要求36或37所述的竞争解决方法。A network side device, comprising the network side device being configured to perform the contention resolution method as claimed in claim 36 or 37.
  68. 一种芯片,所述芯片包括处理器和通信接口,所述通信接口和所述处理器耦合,所述处理器用于运行程序或指令,实现如权利要求1至37中任一项所述的竞争解决方法。A chip comprising a processor and a communication interface, the communication interface being coupled to the processor, the processor for running a program or an instruction to implement the competition as claimed in any one of claims 1 to 37 Solution.
PCT/CN2022/071783 2021-01-14 2022-01-13 Contention resolution method and apparatus, device, and storage medium WO2022152205A1 (en)

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