WO2021163858A1 - 一种进程选择方法及终端设备 - Google Patents

一种进程选择方法及终端设备 Download PDF

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Publication number
WO2021163858A1
WO2021163858A1 PCT/CN2020/075597 CN2020075597W WO2021163858A1 WO 2021163858 A1 WO2021163858 A1 WO 2021163858A1 CN 2020075597 W CN2020075597 W CN 2020075597W WO 2021163858 A1 WO2021163858 A1 WO 2021163858A1
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Prior art keywords
harq process
harq
priority
terminal device
data
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PCT/CN2020/075597
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English (en)
French (fr)
Inventor
石聪
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Oppo广东移动通信有限公司
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Application filed by Oppo广东移动通信有限公司 filed Critical Oppo广东移动通信有限公司
Priority to CN202080086492.4A priority Critical patent/CN114830574A/zh
Priority to PCT/CN2020/075597 priority patent/WO2021163858A1/zh
Publication of WO2021163858A1 publication Critical patent/WO2021163858A1/zh

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/12—Arrangements for detecting or preventing errors in the information received by using return channel
    • H04L1/16—Arrangements for detecting or preventing errors in the information received by using return channel in which the return channel carries supervisory signals, e.g. repetition request signals
    • H04L1/18—Automatic repetition systems, e.g. Van Duuren systems

Definitions

  • the present invention relates to the field of communications, and in particular to a process selection method, terminal equipment, chip, computer readable storage medium, computer program product and computer program.
  • the terminal device when available uplink transmission, such as configured grant (CG, configured grant) resources are used for transmission, the terminal device will select the HARQ process according to the implementation to transmit the newly transmitted data.
  • the terminal device in actual processing, the terminal device is likely to have cached data, such as due to CGRT (CG retransmission timer) timeout and need to retransmit a HARQ process or due to the failure of listening and avoiding (LBT, Listen before talk)
  • CGRT CG retransmission timer
  • LBT Listen before talk
  • embodiments of the present invention provide a process selection method, terminal device, chip, computer-readable storage medium, computer program product, and computer program.
  • a process selection method including:
  • the terminal device determines the first hybrid automatic repeat request HARQ process, and associates the first HARQ with the uplink transmission configured with the uplink grant;
  • the first HARQ process is the one with the highest priority among at least one HARQ process; the at least one HARQ process includes the HARQ process in the pending state, and/or, the first HARQ process is the one that needs to be retransmitted At least one of the HARQ process and/or the HARQ process of newly transmitted data.
  • a terminal device including:
  • the processing unit determines the HARQ process of the first hybrid automatic repeat request
  • a communication unit which associates the first HARQ with an uplink transmission configured with an uplink grant
  • the first HARQ process is the one with the highest priority among at least one HARQ process; the at least one HARQ process includes the HARQ process in the pending state, and/or, the first HARQ process is the one that needs to be retransmitted At least one of the HARQ process and/or the HARQ process of newly transmitted data.
  • a terminal device including: a processor and a memory for storing a computer program that can run on the processor,
  • the memory is used to store a computer program
  • the processor is used to call and run the computer program stored in the memory to execute the steps of the aforementioned method.
  • a chip including a processor, configured to call and run a computer program from a memory, so that a device installed with the chip executes the aforementioned method.
  • a computer-readable storage medium is provided, the computer-readable storage medium is used to store a computer program, and the computer program causes a computer to execute the steps of the aforementioned method.
  • a computer program product including computer program instructions, which cause a computer to execute the aforementioned method.
  • a computer program which causes a computer to execute the aforementioned method.
  • FIG. 1 is a schematic diagram 1 of a communication system architecture provided by an embodiment of the present application.
  • FIG. 2 is a schematic flowchart of a process selection method provided by an embodiment of the present application.
  • Figures 3 to 8 are schematic diagrams of various HARQ process selection scenarios provided by embodiments of the present application.
  • FIG. 9 is a schematic diagram of the structure of a terminal device provided by an embodiment of the present application.
  • FIG. 10 is a schematic diagram of the composition structure of a communication device according to an embodiment of the present invention.
  • FIG. 11 is a schematic block diagram of a chip provided by an embodiment of the present application.
  • FIG. 12 is a second schematic diagram of a communication system architecture provided by an embodiment of the present application.
  • GSM Global System of Mobile Communication
  • CDMA Code Division Multiple Access
  • WCDMA Wideband Code Division Multiple Access
  • GSM Global System of Mobile Communication
  • GPRS General Packet Radio Service
  • LTE Long Term Evolution
  • FDD Frequency Division Duplex
  • TDD Time Division Duplex
  • UMTS Universal Mobile Telecommunication System
  • WiMAX Worldwide Interoperability for Microwave Access
  • the communication system 100 applied in the embodiment of the present application may be as shown in FIG. 1.
  • the communication system 100 may include a network device 110, and the network device 110 may be a device that communicates with a UE 120 (or referred to as a communication terminal device or a terminal device).
  • the network device 110 may provide communication coverage for a specific geographic area, and may communicate with UEs located in the coverage area.
  • the network equipment 110 may be a network equipment (Base Transceiver Station, BTS) in a GSM system or a CDMA system, a network equipment (NodeB, NB) in a WCDMA system, or an evolution in an LTE system Type network equipment (Evolutional Node B, eNB or eNodeB), or a wireless controller in the Cloud Radio Access Network (CRAN), or the network equipment may be a mobile switching center, a relay station, an access point, In-vehicle devices, wearable devices, hubs, switches, bridges, routers, network-side devices in 5G networks, or network devices in the future evolution of the Public Land Mobile Network (PLMN), etc.
  • BTS Base Transceiver Station
  • NodeB NodeB
  • NB network equipment
  • Evolutional Node B eNodeB
  • eNodeB LTE system Type network equipment
  • CRAN Cloud Radio Access Network
  • the network equipment may be a mobile switching center, a relay station, an access point, In-
  • the communication system 100 further includes at least one UE 120 located within the coverage area of the network device 110.
  • UE as used herein includes but is not limited to connection via wired lines, such as via public switched telephone networks (PSTN), digital subscriber line (Digital Subscriber Line, DSL), digital cable, and direct cable connection; And/or another data connection/network; and/or via a wireless interface, such as for cellular networks, wireless local area networks (WLAN), digital TV networks such as DVB-H networks, satellite networks, AM-FM Broadcast transmitter; and/or another UE's device configured to receive/send communication signals; and/or Internet of Things (IoT) equipment.
  • a UE set to communicate through a wireless interface may be referred to as a "wireless communication terminal device", a “wireless terminal device” or a "mobile terminal device”.
  • the 3GPP RAN working group agreed to the establishment of the NR unlicensed working method (WID RP-182878).
  • the goal of the project is to make New Radio (NR, New Radio) work in unlicensed frequency bands, including the following work Scenes:
  • Scenario A Carrier aggregation scenario, the primary cell (PCell) is a licensed spectrum, and secondary cells (SCell) working on unlicensed spectrum are aggregated through carrier aggregation;
  • PCell primary cell
  • SCell secondary cells
  • Scenario B dual-connection working scenario
  • PCell is LTE licensed spectrum
  • PScell is NR unlicensed spectrum
  • Scenario C Independent work scenario, NR works as an independent cell in an unlicensed spectrum
  • Scenario D NR single-cell scenario, the uplink (UL) works in the licensed spectrum, and the downlink (DL) works in the unlicensed spectrum;
  • Scenario E Dual-connection working scenario, PCell is NR licensed spectrum, and PScell is NR unlicensed spectrum.
  • the working frequency band (Band) of NR-U is 5GHz unlicensed spectrum and 6GHz unlicensed spectrum.
  • the design of NR-U should ensure fairness with other systems that are already working on these unlicensed spectrums, such as WiFi.
  • the principle of fairness is that the impact of NR-U on systems that have been deployed on unlicensed spectrum (such as WiFi) cannot exceed the impact between these systems.
  • the general energy detection mechanism is a listen before talk (LBT) mechanism.
  • LBT listen before talk
  • the basic principle of the mechanism is that a base station or terminal (transmission terminal) needs to listen for a period of time according to regulations before transmitting data on an unlicensed spectrum. If the listening result indicates that the channel is idle, the transmitting end can transmit data to the receiving end. If the listening result indicates that the channel is in an occupied state, the transmitting end needs to back off for a period of time according to the regulations before continuing to listen to the channel, knowing that the channel listening result is in an idle state, before transmitting data to the receiving end.
  • NR-U Four channel access mechanisms (category) are defined in NR-U, refer to TR 38.889:
  • Category 1 Direct transmission mechanism: This mechanism is used on the TX side to quickly transmit after the switching gap in the COT; Switching gap refers to the conversion time of the received transmission, and the typical value is no more than 16 us.
  • Category 2 LBT mechanism without random back-off. This mechanism means that the time for the UE to listen to the channel is determined, which is generally short, such as 25us.
  • Random back-off LBT mechanism fixed contention window.
  • the transmission side randomly selects a random value in the contention window to determine the time to listen to the channel.
  • Random back-off LBT mechanism (the contention window is not fixed). In the LBT process, the transmission side randomly selects a random value in the contention window to determine the time to listen to the channel, and the contention window is variable.
  • CW min,p and CW max,p are related to the random listening channel time in the channel access process. Specifically, when the base station listens to the channel for Td time and is idle, it needs to listen to the channel again N times, each with a duration of 9 us. Where N is a random number from 0 to CW p , and CW min,p ⁇ CW p ⁇ CW max,p .
  • T mcot,p is the longest time that the base station occupies the channel after it seizes the channel. It is related to the channel priority adopted by the base station. For example, if the priority is 1, the channel will be occupied at most 2ms after the channel is successfully listened to.
  • the base station needs to transmit data to the terminal within the MCOT time. If the base station does not seize the channel, that is, outside the MCOT time, the terminal will not receive the scheduling data from the base station to the terminal.
  • NR supports two types of configured grant (CG), CG type1 and CG type2:
  • PUSCH Physical uplink shared channel
  • Configured grant Type 1 configured by the network RRC, including time domain resources, frequency domain resources, period of time domain resources, MCS, number of repetitions, frequency hopping, HARQ All transmission resources and transmission parameters including the number of processes.
  • the terminal After receiving the RRC configuration, the terminal can immediately use the configured transmission parameters to perform PUSCH transmission on the configured time-frequency resources.
  • the PUSCH transmission based on the second type of configuration grant adopts a two-step resource configuration method: First, the network RRC configures the period of time domain resources, the number of repetitions, the frequency hopping, the number of HARQ processes, etc. Transmission resources and transmission parameters; then the second type of PUSCH transmission based on configuration authorization is activated by the PDCCH scrambled using CS-RNTI, and other transmission resources and transmission parameters including time domain resources, frequency domain resources, MCS, etc. are configured at the same time .
  • the UE receives the RRC configuration parameters, it cannot immediately use the resources and parameters configured by the configuration parameters for PUSCH transmission, but must wait for the corresponding PDCCH to be activated and configure other resources and parameters before PUSCH transmission can be performed.
  • the network can configure a ConfiguredGrantTimer (CGT, configured grant timer) in ConfiguredGrantConfig (CG configuration) through RRC signaling.
  • the CG timer is an integer multiple of the configured CG resource period.
  • the main purpose is to prevent the
  • the data transmitted by the CG resource corresponding to a certain HARQ process covers the data transmitted by the uplink resource of the same HARQ process (the uplink resource can be CG, dynamic scheduling grant); at the same time, when the CG timer times out, the UE can Use CG resources to transmit new data, that is, it is considered that the data of the HARQ process corresponding to the CG timer is successfully transmitted, as described in the agreement:
  • the MAC entity For each serving cell and each configured uplink grant, if configured and activated, the MAC entity shall:
  • One of the conditions is that when the terminal device receives an uplink grant (uplink grant) scheduled by a C-RNTI scrambled PDCCH, and the HARQ process corresponding to the uplink grant is also configured to the CG, the UE needs to receive the PDCCH Start or restart the CG timer, so that during the running of the timer, even if there are CG resources later, and the HARQ process corresponding to the CG resource is the same as the HARQ process corresponding to the scheduling grant, the subsequent CG resources will not cover the uplink grant of the PDCCH dynamic scheduling Data transferred:
  • the uplink grant is for MAC entity's C-RNTI and if the previous uplink grant delivered to the HARQ entity for the same HARQ process was either an uplink grant received either an uplink grant received for the MAC uplink grant received
  • the link grant is for the C-RNTI of the MAC entity, and if the previous uplink grant was delivered to the HARQ entity for the same HARQ process, is it the uplink grant received for the CS-RNTI of the MAC entity, or Uplink license configured):
  • uplink grant is for MAC entity's C-RNTI, and the identified HARQ process is configured for a configured uplink grant: (If the uplink authorization is for the C-RNTI of the MAC entity, and the identified HARQ process has been configured as Configured uplink authorization):
  • Another condition is that when the UE receives a CS-RNTI scrambled PDCCH scheduling uplink grant, the uplink grant is used to schedule CG retransmission data.
  • the purpose of the start condition is consistent with the above conditions:
  • uplink grant is a configured uplink grant (if the uplink grant is the configured uplink grant);
  • RAN2's conclusions include:
  • CG retransmission timer a new timer
  • the UE can Automatic retransmission is initiated on grant.
  • the reason for introducing a new timer is mainly to consider that in NR-U, when the UE initiates data transmission on the configured grant, the UE cannot distinguish whether the network has received the data correctly, that is, it cannot distinguish whether the network has received the data correctly. The data is still not received correctly by the network and the UE needs to be scheduled for retransmission.
  • the network does not give any feedback to the UE.
  • the network needs to dynamically schedule the retransmission of the data.
  • NR-U it is possible that the network cannot obtain the channel and therefore the dynamic schedule cannot be sent to the UE.
  • NR-U introduces display feedback, that is, DFI (Downlink feedback indication), that is, the network needs to display to inform the UE whether the data is correctly received.
  • DFI can indicate ACK or NACK.
  • the network can also implicitly indicate that the data is not received correctly by dynamically scheduling data retransmission, or dynamically scheduling data newly transmitted to implicitly indicate that the data is received correctly, that is, as described in the agreement.
  • DFI Downlink feedback
  • the UE needs to stop the CG retransmission timer. The reason is that the network has already instructed the UE whether to receive the data correctly, and the timer does not need to continue running to trigger the UE's automatic retransmission on the CG.
  • the configured grant configured on the authorized spectrum in R15 and its configured grant timer is also retained.
  • the main purpose is to prevent the configured grant data from overwriting the dynamically scheduled data, resulting in data loss. That is, the CG timer will be started or restarted when receiving the dynamic scheduling or transmitting data on the dynamically scheduled PUSCH.
  • an embodiment of the present invention provides a process selection method, as shown in FIG. 2, including:
  • Step 21 The terminal device determines the first Hybrid Automatic Repeat reQuest (HARQ, Hybrid Automatic Repeat reQuest) process, and associates the first HARQ with the uplink transmission configured with the uplink authorization;
  • HARQ Hybrid Automatic Repeat reQuest
  • the first HARQ process is the one with the highest priority among at least one HARQ process; the at least one HARQ process includes the HARQ process in the pending state, and/or, the first HARQ process is the one that needs to be retransmitted At least one of the HARQ process and/or the HARQ process of newly transmitted data.
  • the uplink transmission may be: Physical UpLink Shared Channel (PUSCH, Physical UpLink Share Channel).
  • PUSCH Physical UpLink Shared Channel
  • the HARQ process in the pending Pending state is: the HARQ process in which data transmission is blocked in the case of LBT failure.
  • the "HARQ process in the pending Pending state" (or called the HARQ process of the pending Pending) was introduced, which is caused when the transmission is blocked due to LBT failure.
  • the HARQ process is considered hung.
  • the terminal device selects the same HARQ process for transmission, it will be regarded as a retransmission.
  • the HARQ process in the Pending state is still different from the HARQ process that needs to be retransmitted due to the CGRT timeout.
  • the way to confirm whether the HARQ process is in the pending state may include:
  • the HARQ process is considered to be in a non-Pending state (consider the identified HARQ process as not pending).
  • the HARQ process that needs to be retransmitted is: a HARQ process that is in a non-suspended Pending state, and its corresponding CG retransmission timer is not running, and the corresponding CG timer is in a running state.
  • the method for determining the first HARQ process in this embodiment may be: the terminal device selects the first HARQ process from at least one HARQ process according to a priority rule.
  • the priorities of different types of HARQ processes are respectively set; in the second case, the priorities are determined based on the data in the HARQ process.
  • the HARQ process in the Pending state has a higher priority than the HARQ process transmitting new data; and/or,
  • the priority of the HARQ process that needs to be retransmitted is higher than the HARQ process in the Pending state; and/or,
  • the priority of the HARQ process that needs to be retransmitted is higher than the HARQ process of the newly transmitted data.
  • a priority rule is preset in the terminal device.
  • the rule can be in the order of priority from high to low, from top to bottom as follows:
  • the terminal device When the terminal device has a HARQ process in the pending pending state and there is no HARQ process that needs to be retransmitted, the terminal device regards the HARQ process in the pending pending state as the first HARQ process.
  • a "suspended HARQ process" is introduced, that is, when the transmission is blocked due to an LBT failure, the related HARQ process is regarded as a suspended state.
  • the UE selects the same HARQ process for transmission, it should be regarded as a retransmission, that is, there is no new transmission for this HARQ process.
  • the determination method of the Pending suspended HARQ process is as described above, and will not be repeated here.
  • the terminal device When the terminal device has buffered data in one or some HARQ processes due to LBT failure, the terminal device preferentially selects these HARQ processes to transmit pending data. For the suspended HARQ process, it should take precedence over the new transmission initiated on the CG resource.
  • the HARQ process in the suspended state is also one of the retransmitted HARQ processes; the retransmitted HARQ process has a higher priority than the initial transmission (or newly transmitted data).
  • priority should be given to the initial transmission (or newly transmitted data), which is the main processing provided in this scenario.
  • the UE selects the HARQ process based on implementation to transmit new data.
  • HPID HARQ process identifier
  • the CGRT timer ends After the new CG resource arrives, this CG resource can also be in other CG configurations.
  • the terminal device selects the first HARQ process from the multiple HARQ processes in the pending pending state process.
  • the HARQ process in the Pending state can be selected according to the priority rule.
  • the method of selecting the first HARQ process from the plurality of HARQ processes in the pending Pending state includes:
  • Manner 1 Select one HARQ process from the plurality of HARQ processes in the pending Pending state as the first HARQ process; in this manner, randomly select one HARQ process from the plurality of HARQ processes in the pending Pending state
  • the HARQ process serves as the first HARQ process. That is, the terminal device selects any one of the two or more HARQ processes in the suspended state as the first HARQ process, and retains the identity of the original HARQ process.
  • HPIDs in the suspended state are 0, 1, and 2 respectively; when a new CG arrives, HPID1 can be randomly selected for transmission in the new CG.
  • Manner 2 Select the HARQ process with the highest data priority as the first HARQ process from the data buffered by the multiple HARQ processes in the pending Pending state.
  • the suspended HARQ process with the highest data priority is selected as the first HARQ process.
  • the premise of this method is the above-mentioned example "when the terminal device has a HARQ process in the pending state and there is no HARQ process that needs to be retransmitted", in other words, in this method , There are at most two HARQ processes, one is the HRAQ process in a suspended state, and the other is the HARQ process for newly transmitted data.
  • the priority of the HARQ process in the pending state is higher than that of the HARQ process transmitting new data, and multiple HARQ processes in the suspended state are selected, and then a plurality of HARQ processes in the pending state are selected.
  • the HARQ process with the highest data priority is selected as the first HARQ process.
  • the data priority corresponding to the HARQ process is determined according to the logical channel priority corresponding to the SDU contained in the MAC PDU buffered by the HARQ process; that is, the priority of the logical channel with the highest priority is selected as the priority of the data MAC PDU .
  • the data priority corresponding to the HARQ process is stipulated by the agreement;
  • the data priority corresponding to the HARQ process is configured by the network device.
  • protocol provisions or network device configuration can be understood as different types of designated data priorities, which will not be repeated here.
  • the determination of the logical channel priority corresponding to the SDU contained in the MAC PDU buffered by the HARQ process includes: selecting the highest logical channel priority from the logical channel priority corresponding to the SDU contained in the MAC PDU buffered by the HARQ process As the data priority of the HARQ process.
  • the currently suspended HARQ process HPIDs are 0, 1, and 2 respectively; when a new CG arrives, the HPID 0 with the highest data priority can be selected for transmission in the new CG.
  • the terminal device uses the HARQ process that needs to be retransmitted as the first HARQ process.
  • the priority of the HARQ process that needs to be retransmitted is higher than the HARQ process in the pending state; and/or,
  • the priority of the HARQ process that needs to be retransmitted is higher than the HARQ process of the newly transmitted data.
  • there may be at least one HARQ process including: the HARQ process that needs to be retransmitted and the HARQ process that is in the pending state;
  • it may include the HARQ process that needs to be retransmitted and the HARQ process of newly transmitted data;
  • the HARQ process that needs to be retransmitted includes: the HARQ process that needs to be retransmitted, the HARQ process in the pending state, and the HARQ process of newly transmitted data.
  • the solution of this scenario is: because the corresponding CGRT (CG retransmission timer, configured grant retransmission timer) has timed out and the corresponding CGT is running, when a HARQ process needs to be retransmitted, when faced with an available CG In the case of resources, the HARQ process associated with the CGRT is preferentially selected for retransmission. Even at this time, there may be one or more HARQ processes in the pending state.
  • CGRT CG retransmission timer, configured grant retransmission timer
  • the priority rule is the HARQ process with the highest priority for transmitting the HARQ process data first.
  • At least one HARQ process existing in the terminal device includes at least one of the HARQ process in the pending state, the HARQ process that needs to be retransmitted, and the newly transmitted data.
  • the terminal device When the terminal device has at least one of the HARQ process in the pending state, the HARQ process that needs to be retransmitted, and the HARQ process of newly transmitted data,
  • the terminal device selects the HARQ process with the highest data priority as the first HARQ process from at least one of the multiple suspended HARQ processes, HARQ processes that need to be retransmitted, and HARQ processes for newly transmitted data.
  • Example 2 The difference from Example 1 above is that this example does not set the priority of any type of HARQ process, but only uses the data buffered in the HARQ process and/or the corresponding new transmitted data to determine the data priority, according to the judgment result The HARQ process with the highest data priority is selected as the first HARQ process transmitted in the CG resource.
  • the data priority corresponding to the HARQ process is determined according to the logical channel priority corresponding to the SDU contained in the MAC PDU buffered by the HARQ process; that is, the priority of the logical channel with the highest priority is selected as the priority of the data MAC PDU .
  • the data priority corresponding to the HARQ process is stipulated by the agreement;
  • the data priority corresponding to the HARQ process is configured by the network device.
  • protocol provisions or network device configuration can be understood as different types of designated data priorities, which will not be repeated here.
  • the determination of the logical channel priority corresponding to the SDU contained in the MAC PDU buffered by the HARQ process includes: selecting the highest logical channel priority from the logical channel priority corresponding to the SDU contained in the MAC PDU buffered by the HARQ process As the data priority of the HARQ process.
  • the logical channel priority LCP which is arranged from top to bottom in the order of priority from high to low, it may include:
  • -C-RNTI MAC CE or data from UL-CCCH that is, C-RNTI MAC CE or data from UL-CCCH;
  • BSR MAC CE for BSR, with exception of BSR included for padding, that is, BSR MAC CE except for the BSR that includes padding;
  • BSR MAC CE for BSR included for padding that is, BSR MAC CE included in the padding.
  • LCP can also be understood as specified by the protocol or configured by network equipment.
  • ordering of LCPs here is only an example, and there may be more content or different ordering methods. This method is not exhaustive. .
  • the currently suspended HARQ process HPIDs are 1, 2, and 3, and the HARQ process HPID that needs to be retransmitted is 0; when a new CG arrives, it is determined to be in the suspended state according to the data priority.
  • the embodiment of the present invention also provides a terminal device, as shown in FIG. 9, including:
  • the processing unit 31 determines a first hybrid automatic repeat request (HARQ, Hybrid Automatic Repeat reQuest) process
  • the communication unit 32 associates the first HARQ with the uplink transmission configured with the uplink grant;
  • the first HARQ process is the one with the highest priority among at least one HARQ process; the at least one HARQ process includes the HARQ process in the pending state, and/or, the first HARQ process is the one that needs to be retransmitted At least one of the HARQ process and/or the HARQ process of newly transmitted data.
  • the uplink transmission may be: Physical UpLink Shared Channel (PUSCH, Physical UpLink Share Channel).
  • PUSCH Physical UpLink Shared Channel
  • the HARQ process in the pending Pending state is: the HARQ process in which data transmission is blocked in the case of LBT failure.
  • processing unit 31 confirming whether the HARQ process is in the pending state may include:
  • the HARQ process is considered to be in a non-Pending state (consider the identified HARQ process as not pending).
  • the HARQ process that needs to be retransmitted is: a HARQ process that is in a non-suspended Pending state, and its corresponding CG retransmission timer is not running, and the corresponding CG timer is in a running state.
  • the method for selecting the first HARQ process in this embodiment may be: the terminal device selects the first HARQ process from at least one HARQ process according to a priority rule.
  • the priorities of different types of HARQ processes are respectively set; in the second case, the priorities are determined based on the data in the HARQ process.
  • the HARQ process in the Pending state has a higher priority than the HARQ process transmitting new data; and/or,
  • the priority of the HARQ process that needs to be retransmitted is higher than the HARQ process in the Pending state; and/or,
  • the priority of the HARQ process that needs to be retransmitted is higher than the HARQ process of the newly transmitted data.
  • a priority rule is preset in the terminal device.
  • the rule can be in the order of priority from high to low, from top to bottom as follows:
  • the processing unit 31 when there is a HARQ process in the pending state and there is no HARQ process that needs to be retransmitted, the terminal device regards the suspended HARQ process as the first HARQ process.
  • the processing unit 31 preferentially selects these HARQ processes to transmit pending pending data. For the suspended HARQ process, it should take precedence over the new transmission initiated on the CG resource.
  • the processing unit 31 when there are multiple HARQ processes in the pending Pending state and there is no HARQ process that needs to be retransmitted, the terminal device selects the first HARQ process from the multiple HARQ processes in the pending pending state. HARQ process.
  • the HARQ process in the Pending state can be selected according to the priority rule.
  • the processing unit 31 selects the first HARQ process from the multiple HARQ processes in the pending state, including:
  • Manner 1 One HARQ process is selected as the first HARQ process from the multiple HARQ processes in the pending state.
  • Manner 2 Select the HARQ process with the highest data priority as the first HARQ process from the data buffered by the multiple HARQ processes in the pending Pending state.
  • the HARQ process in the suspended state with the highest data priority is selected as the first HARQ process.
  • the processing unit 31, the method for determining the priority of the data may include:
  • the data priority corresponding to the HARQ process is determined according to the logical channel priority corresponding to the SDU contained in the MAC PDU buffered by the HARQ process; that is, the priority of the logical channel with the highest priority is selected as the priority of the data MAC PDU .
  • the data priority corresponding to the HARQ process is stipulated by the agreement;
  • the data priority corresponding to the HARQ process is configured by the network device.
  • protocol provisions or network device configuration can be understood as different types of designated data priorities, which will not be repeated here.
  • the determination of the logical channel priority corresponding to the SDU contained in the MAC PDU buffered by the HARQ process includes: selecting the highest logical channel priority from the logical channel priority corresponding to the SDU contained in the MAC PDU buffered by the HARQ process As the data priority of the HARQ process.
  • the currently suspended HARQ process HPIDs are 0, 1, and 2 respectively; when a new CG arrives, the HPID 0 with the highest data priority can be selected for transmission in the new CG.
  • the processing unit 31 when there is a HARQ process that needs to be retransmitted, the terminal device uses the HARQ process that needs to be retransmitted as the first HARQ process.
  • the priority of the HARQ process that needs to be retransmitted is higher than the HARQ process in the pending state; and/or,
  • the priority of the HARQ process that needs to be retransmitted is higher than the HARQ process of the newly transmitted data.
  • the solution of this scenario is: because the corresponding CGRT (CG retransmission timer, configured grant retransmission timer) has timed out and the corresponding CGT is running, when a HARQ process needs to be retransmitted, an available CG resource At this time, the HARQ process associated with the CGRT is preferentially selected for retransmission. Even at this time, there may be one or more HARQ processes in the pending state.
  • CGRT CG retransmission timer, configured grant retransmission timer
  • the priority rule is the HARQ process with the highest priority for transmitting the HARQ process data first.
  • At least one HARQ process existing in the terminal device includes at least one of the HARQ process in the pending state, the HARQ process that needs to be retransmitted, and the newly transmitted data.
  • the processing unit 31 when there is at least one of the HARQ process that is in the pending state, the HARQ process that needs to be retransmitted, and the HARQ process for newly transmitted data,
  • the HARQ process with the highest data priority is selected as the first HARQ process.
  • Example 2 The difference from Example 1 above is that this example does not set the priority of any type of HARQ process, but only uses the data buffered in the HARQ process to determine the data priority, and selects the HARQ process with the highest data priority as the result of the judgment.
  • the first HARQ process transmitted in CG resources.
  • the data priority corresponding to the HARQ process is determined according to the logical channel priority corresponding to the SDU contained in the MAC PDU buffered by the HARQ process; that is, the priority of the logical channel with the highest priority is selected as the priority of the data MAC PDU .
  • the data priority corresponding to the HARQ process is stipulated by the agreement;
  • the data priority corresponding to the HARQ process is configured by the network device.
  • protocol provisions or network device configuration can be understood as different types of designated data priorities, which will not be repeated here.
  • determining the logical channel priority corresponding to the SDU contained in the MAC PDU buffered by the HARQ process includes: selecting the highest logical channel priority from the logical channel priority corresponding to the SDU contained in the MAC PDU buffered by the HARQ process As the data priority of the HARQ process.
  • the logical channel priority LCP which is arranged from top to bottom in the order of priority from high to low, it may include:
  • -C-RNTI MAC CE or data from UL-CCCH that is, C-RNTI MAC CE or data from UL-CCCH;
  • BSR MAC CE for BSR, with exception of BSR included for padding, that is, BSR MAC CE except for the BSR that includes padding;
  • BSR MAC CE for BSR included for padding that is, BSR MAC CE included in the padding.
  • LCP can also be understood as specified by the protocol or configured by network equipment.
  • ordering of LCPs here is only an example, and there may be more content or different ordering methods. This method is not exhaustive. .
  • FIG. 10 is a schematic structural diagram of a communication device 1400 according to an embodiment of the present invention.
  • the communication device in this embodiment may be specifically a terminal device or a network device in the foregoing embodiment.
  • the communication device 1400 shown in FIG. 10 includes a processor 1410, and the processor 1410 can call and run a computer program from the memory to implement the method in the embodiment of the present invention.
  • the communication device 1400 may further include a memory 1420.
  • the processor 1410 can call and run a computer program from the memory 1420 to implement the method in the embodiment of the present invention.
  • the memory 1420 may be a separate device independent of the processor 1410, or may be integrated in the processor 1410.
  • the communication device 1400 may further include a transceiver 1430, and the processor 1410 may control the transceiver 1430 to communicate with other devices. Specifically, it may send information or data to other devices, or receive other devices. Information or data sent by the device.
  • the transceiver 1430 may include a transmitter and a receiver.
  • the transceiver 1430 may further include an antenna, and the number of antennas may be one or more.
  • the communication device 1400 may specifically be a corresponding process implemented by a terminal device or a network device in the embodiment of the present invention, and for the sake of brevity, details are not described herein again.
  • Fig. 11 is a schematic structural diagram of a chip according to an embodiment of the present invention.
  • the chip 1500 shown in FIG. 11 includes a processor 1510, and the processor 1510 can call and run a computer program from the memory to implement the method in the embodiment of the present invention.
  • the chip 1500 may further include a memory 1520.
  • the processor 1510 can call and run a computer program from the memory 1520 to implement the method in the embodiment of the present invention.
  • the memory 1520 may be a separate device independent of the processor 1510, or may be integrated in the processor 1510.
  • the chip 1500 may further include an input interface 1530.
  • the processor 1510 can control the input interface 1530 to communicate with other devices or chips, and specifically, can obtain information or data sent by other devices or chips.
  • the chip 1500 may further include an output interface 1540.
  • the processor 1510 can control the output interface 1540 to communicate with other devices or chips, and specifically, can output information or data to other devices or chips.
  • the chip can be applied to the corresponding process implemented by the terminal device or the network device in the embodiment of the present invention, and for the sake of brevity, it will not be repeated here.
  • the chip mentioned in the embodiment of the present invention may also be referred to as a system-on-chip, a system-on-chip, a system-on-chip, or a system-on-chip, etc.
  • the processor in the embodiment of the present invention may be an integrated circuit chip with signal processing capability.
  • the steps of the foregoing method embodiments may be completed by hardware integrated logic circuits in the processor or instructions in the form of software.
  • the above-mentioned processor may be a general-purpose processor, a digital signal processor (Digital Signal Processor, DSP), an application specific integrated circuit (ASIC), a ready-made programmable gate array (Field Programmable Gate Array, FPGA) or other Programming logic devices, discrete gates or transistor logic devices, discrete hardware components.
  • the memory in the embodiment of the present invention may be a volatile memory or a non-volatile memory, or may include both volatile and non-volatile memory. It should be noted that the memories of the systems and methods described herein are intended to include, but are not limited to, these and any other suitable types of memories.
  • the memory in the embodiment of the present invention may also be static random access memory (static RAM, SRAM), dynamic random access memory (dynamic RAM, DRAM), Synchronous dynamic random access memory (synchronous DRAM, SDRAM), double data rate synchronous dynamic random access memory (double data rate SDRAM, DDR SDRAM), enhanced synchronous dynamic random access memory (enhanced SDRAM, ESDRAM), synchronous connection Dynamic random access memory (synch link DRAM, SLDRAM) and direct memory bus random access memory (Direct Rambus RAM, DR RAM) and so on. That is, the memory in the embodiment of the present invention is intended to include, but is not limited to, these and any other suitable types of memory.
  • FIG. 12 is a schematic block diagram of a communication system 1600 according to an embodiment of the present application. As shown in FIG. 12, the communication system 1600 includes a network device 1610 and a terminal 1620.
  • the network device 1610 may be used to implement the corresponding functions implemented by the communication device in the foregoing method
  • the terminal 1620 may be used to implement the corresponding functions implemented by the terminal in the foregoing method.
  • details are not described herein again.
  • the embodiment of the present invention also provides a computer-readable storage medium for storing computer programs.
  • the computer-readable storage medium can be applied to the network device or satellite or terminal device in the embodiment of the present invention, and the computer program causes the computer to execute the corresponding process implemented by the network device in each method of the embodiment of the present invention, For the sake of brevity, I will not repeat them here.
  • the embodiment of the present invention also provides a computer program product, including computer program instructions.
  • the computer program product can be applied to the network device or satellite or terminal device in the embodiment of the present invention, and the computer program instructions cause the computer to execute the corresponding process implemented by the network device in each method of the embodiment of the present invention, for It's concise, so I won't repeat it here.
  • the embodiment of the present invention also provides a computer program.
  • the computer program can be applied to the network device or satellite or terminal device in the embodiment of the present invention.
  • the computer program runs on the computer, the computer can execute the network device implementation of each method in the embodiment of the present invention. For the sake of brevity, the corresponding process will not be repeated here.
  • the disclosed system, device, and method may be implemented in other ways.
  • the units described as separate components may or may not be physically separated, and the components displayed as units may or may not be physical units, that is, they may be located in one place, or they may be distributed on multiple network units. Some or all of the units may be selected according to actual needs to achieve the objectives of the solutions of the embodiments.
  • the functional units in the various embodiments of the present invention may be integrated into one processing unit, or each unit may exist alone physically, or two or more units may be integrated into one unit.
  • the function is implemented in the form of a software functional unit and sold or used as an independent product, it can be stored in a computer readable storage medium.
  • the technical solution of the present invention essentially or the part that contributes to the prior art or the part of the technical solution can be embodied in the form of a software product, and the computer software product is stored in a storage medium, including Several instructions are used to make a computer device (which may be a personal computer, a server, or a network device, etc.) execute all or part of the steps of the methods described in the various embodiments of the present invention.
  • the aforementioned storage media include: U disk, mobile hard disk, read-only memory (Read-Only Memory,) ROM, random access memory (Random Access Memory, RAM), magnetic disks or optical disks and other media that can store program codes. .

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Abstract

一种进程选择方法、终端设备、芯片、计算机可读存储介质、计算机程序产品以及计算机程序，所述方法包括：终端设备确定第一混合自动重传请求(HARQ)进程，将所述第一HARQ关联到配置上行授权的上行传输上；其中，所述第一HARQ进程为至少一个HARQ进程中优先级最高的；所述至少一个HARQ进程包括处于挂起Pending状态的HARQ进程、和/或、所述第一HARQ进程为需要重传的HARQ进程、和/或、新传数据的HARQ进程至少之一。

Description

一种进程选择方法及终端设备 技术领域
本发明涉及通信领域，尤其涉及一种进程选择方法、终端设备、芯片、计算机可读存储介质、计算机程序产品以及计算机程序。
背景技术
在相关技术中，在可用的上行传输，比如配置授权(CG，configured grant)资源进行传输的时候，终端设备会根据实现选择HARQ进程来传输新传数据。然而，在实际处理中，终端设备很有可能会存在缓存数据，比如由于CGRT(CG重传定时器)超时需要对某个HARQ进程重传或者由于监听避让(LBT，Listen before talk)失败而存在的未发出的HARQ进程等等，这样，就可能会出现在可用上行传输中总是传输新传数据的HARQ进程所导致的缓存的数据无法发出而带来的额外延时的问题。
发明内容
为解决上述技术问题，本发明实施例提供了一种进程选择方法、终端设备、芯片、计算机可读存储介质、计算机程序产品以及计算机程序。
第一方面，提供了一种进程选择方法，包括：
终端设备确定第一混合自动重传请求HARQ进程，将所述第一HARQ关联到配置上行授权的上行传输上；
其中，所述第一HARQ进程为至少一个HARQ进程中优先级最高的；所述至少一个HARQ进程包括处于挂起Pending状态的HARQ进程、和/或、所述第一HARQ进程为需要重传的HARQ进程、和/或、新传数据的HARQ进程至少之一。
第二方面，提供了一种终端设备，包括：
处理单元，确定第一混合自动重传请求HARQ进程；
通信单元，将所述第一HARQ关联到配置上行授权的上行传输上；
其中，所述第一HARQ进程为至少一个HARQ进程中优先级最高的；所述至少一个HARQ进程包括处于挂起Pending状态的HARQ进程、和/或、所述第一HARQ进程为需要重传的HARQ进程、和/或、新传数据的HARQ进程至少之一。
第三方面，提供了一种终端设备，包括：处理器和用于存储能够在处理器上运行的计算机程序的存储器，
其中，该存储器用于存储计算机程序，所述处理器用于调用并运行所述存储器中存储的计算机程序，执行如前述方法的步骤。
第四方面，提供了一种芯片，包括：处理器，用于从存储器中调用并运行计算机程序，使得安装有所述芯片的设备执行如前述方法。
第五方面，提供了一种计算机可读存储介质，所述计算机可读存储介质用于存储计算机程序，所述计算机程序使得计算机执行如前述方法的步骤。
第六方面，提供了一种计算机程序产品，包括计算机程序指令，该计算机程序指令使得计算机执行如前述方法。
第七方面，提供了一种计算机程序，所述计算机程序使得计算机执行如前述的方法。
通过采用本实施例提供的方案，就能够在传输HARQ进程的时候，根据优先选取优先级最高的一个HARQ进程来传输，从而，保证了优先级最高的HARQ进程优先发送， 避免了在可用上行传输中总是传输新传数据的HARQ进程，所导致的缓存的数据无法发出而带来的额外延时的问题。
附图说明
图1是本申请实施例提供的一种通信系统架构的示意性图一；
图2是本申请实施例提供的一种进程选择方法流程示意图；
图3～图8是本申请实施例提供的多种HARQ进程选择的场景示意图；
图9是本申请实施例提供的一种终端设备组成结构示意图；
图10为本发明实施例提供的一种通信设备组成结构示意图；
图11是本申请实施例提供的一种芯片的示意性框图；
图12是本申请实施例提供的一种通信系统架构的示意性图二。
具体实施方式
为了能够更加详尽地了解本发明实施例的特点与技术内容，下面结合附图对本发明实施例的实现进行详细阐述，所附附图仅供参考说明之用，并非用来限定本发明实施例。
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在没有做出创造性劳动前提下所获得的所有其他实施例，都属于本申请保护的范围。
本申请实施例的技术方案可以应用于各种通信系统，例如：全球移动通讯(Global System of Mobile communication，GSM)系统、码分多址(Code Division Multiple Access，CDMA)系统、宽带码分多址(Wideband Code Division Multiple Access，WCDMA)系统、通用分组无线业务(General Packet Radio Service，GPRS)、长期演进(Long Term Evolution，LTE)系统、LTE频分双工(Frequency Division Duplex，FDD)系统、LTE时分双工(Time Division Duplex，TDD)、通用移动通信系统(Universal Mobile Telecommunication System，UMTS)、全球互联微波接入(Worldwide Interoperability for Microwave Access，WiMAX)通信系统或5G系统等。
示例性的，本申请实施例应用的通信系统100可以如图1所示。该通信系统100可以包括网络设备110，网络设备110可以是与UE120(或称为通信终端设备、终端设备)通信的设备。网络设备110可以为特定的地理区域提供通信覆盖，并且可以与位于该覆盖区域内的UE进行通信。可选地，该网络设备110可以是GSM系统或CDMA系统中的网络设备(Base Transceiver Station，BTS)，也可以是WCDMA系统中的网络设备(NodeB，NB)，还可以是LTE系统中的演进型网络设备(Evolutional Node B，eNB或eNodeB)，或者是云无线接入网络(Cloud Radio Access Network，CRAN)中的无线控制器，或者该网络设备可以为移动交换中心、中继站、接入点、车载设备、可穿戴设备、集线器、交换机、网桥、路由器、5G网络中的网络侧设备或者未来演进的公共陆地移动网络(Public Land Mobile Network，PLMN)中的网络设备等。
该通信系统100还包括位于网络设备110覆盖范围内的至少一个UE120。作为在此使用的“UE”包括但不限于经由有线线路连接，如经由公共交换电话网络(Public Switched Telephone Networks，PSTN)、数字用户线路(Digital Subscriber Line，DSL)、数字电缆、直接电缆连接；和/或另一数据连接/网络；和/或经由无线接口，如，针对蜂窝网络、无线局域网(Wireless Local Area Network，WLAN)、诸如DVB-H网络的数字电视网络、卫星网络、AM-FM广播发送器；和/或另一UE的被设置成接收/发送通信信号的装置； 和/或物联网(Internet of Things，IoT)设备。被设置成通过无线接口通信的UE可以被称为“无线通信终端设备”、“无线终端设备”或“移动终端设备”。
3GPP RAN工作组在2018年12月份同意了NR非授权工作方式的立项(WID RP-182878)，该项目的目标是使得新无线(NR，New Radio)工作在非授权频段，包括如下几种工作场景：
场景A：载波聚合场景，主小区(PCell)为授权频谱，通过载波聚合方式聚合工作在非授权频谱上的辅小区(SCell)；
场景B：双连接工作场景，PCell为LTE授权频谱，PScell为NR非授权频谱；
场景C：独立工作场景，NR作为一个独立小区工作在非授权频谱；
场景D：NR单小区场景，上行链路(UL)工作在授权频谱，下行链路(DL)工作在非授权频谱；
场景E：双连接工作场景，PCell为NR授权频谱，PScell为NR非授权频谱。
一般来说，NR-U的工作频带(Band)为5GHz非授权频谱和6GHz非授权频谱。在非授权频谱上，NR-U的设计应该保证与其他已经工作在这些非授权频谱上的系统之间的公平性，比如WiFi等。公平性的原则是，NR-U对于已经部署在非授权频谱上的系统(比如WiFi)的影响不能超过这些系统之间的影响。
为了保证在非授权频谱上各系统之间的公平性共存，能量检测已经被同意作为一个基本的共存机制。一般的能量检测机制为监听避让(LBT，Listen before talk)机制，该机制的基本原理为：基站或者终端(传输端)在非授权频谱上传输数据之前，需要先按照规定侦听一段时间。如果侦听的结果表示该信道为空闲状态，则传输端可以给接收端传输数据。如果侦听的结果表示该信道为占用状态，则传输端需要根据规定回退一段时间再继续侦听信道，知道信道侦听结果为空闲状态，才能向接收端传输数据。
在NR-U中定了四种信道接入机制(category)，参考TR 38.889：
Category 1：直接传输机制：这种机制用于TX侧可以在COT内的switching gap之后迅速传输；Switching gap是指接收到传输的转换时间，典型值为不超过16us。
Category 2：不需要随机back-off的LBT机制。这种机制是指UE侦听信道的时间是确定的，一般比较短，比如25us。
Category 3：随机back-off的LBT机制(竞争窗口固定)，在LBT流程中，传输侧随机的在竞争窗口中去一个随机值来决定侦听信道的时间。
Category 4：随机back-off的LBT机制(竞争窗口不固定)，在LBT流程中，传输侧随机的在竞争窗口中取一个随机值来决定侦听信道的时间，竞争窗口是可变的。
对于category 4，又有如下信道接入的优先级，如下表所示：
Figure PCTCN2020075597-appb-000001
其中：
m p与执行信道接入的侦听信道时间有关系。具体的，基站需要先执行Td时间的信道侦听，其中Td＝16us+m p×9us。
CW min,p和CW max,p与信道接入过程中的随机侦听信道时间有关系。具体的，在基站侦听Td时间信道为空闲时，需要再侦听N次信道，每次时长为9us。其中N为一个从0到CW p之间的随机数，而CW min,p≤CW p≤CW max,p。
T mcot,p为基站抢占到信道之后，占用信道的最长时间，它与基站采用的信道优先级有关系，比如优先级为1，则信道侦听成功之后，最多占用信道2ms。
综上，对于终端而言，基站给终端传输数据需要在MCOT时间之内，如果基站没有抢占到信道，也就是在MCOT时间之外，终端是不会收到基站给该终端的调度数据的。
NR支持两种类型的configured grant(CG)，分别是CG type1和CG type2：
基于第一类配置授权(configured grant Type 1)的物理上行共享信道(PUSCH)传输：由网络RRC配置包括时域资源，频域资源，时域资源的周期，MCS，重复次数，跳频，HARQ进程数等在内的全部传输资源和传输参数。终端接收到该RRC配置后，可立即使用所配置的传输参数在配置的时频资源上进行PUSCH传输。
基于第二类配置授权(configured grant Type 2)的PUSCH传输，采用两步资源配置的方式：首先，由网络RRC配置包括时域资源的周期，重复次数，跳频，HARQ进程数等在内的传输资源和传输参数；然后由使用CS-RNTI加扰的PDCCH激活第二类基于配置授权的PUSCH传输，并同时配置包括时域资源，频域资源，MCS等在内的其他传输资源和传输参数。UE在接收到RRC配置参数时，不能立即使用该配参数配置的资源和参数进行PUSCH传输，而必须等接收到相应的PDCCH激活并配置其他资源和参数后，才能进行PUSCH传输。
对于CG，网络可以通过RRC信令在ConfiguredGrantConfig(CG配置)中配置一个ConfiguredGrantTimer(CGT，配置授权定时器)，该CG timer为配置的CG资源周期的整数倍，主要目的是防止在timer期间内，对应于某一个HARQ进程的CG资源所传输的数据覆盖同一个HARQ进程的上行资源(该上行资源可以是CG，dynamic scheduling grant)所传输的数据；同时，在当该CG timer超时时，UE可以使用CG资源传输新数据，即认为该CG timer对应的HARQ进程的数据成功传输，具体如协议所述：
对于每个服务小区和每个已配置的上行链路许可，如果已配置和激活，则MAC实体应：
1>if the PUSCH duration of the configured uplink grant does not overlap with the PUSCH duration of an uplink grant received on the PDCCH or in a Random Access Response for this Serving Cell:(如果配置的上行链路授权的PUSCH持续时间，与在PDCCH上、或在此服务小区的随机接入响应中接收的上行链路授权的PUSCH持续时间不重叠)：
2>set the HARQ Process ID to the HARQ Process ID associated with this PUSCH duration；(将HARQ进程ID设置为与此PUSCH持续时间关联的HARQ进程ID)；
2>if the configuredGrantTimer for the corresponding HARQ process is not running:(如果对应的HARQ进程的configureGrantTimer没有运行)：
3>consider the NDI bit for the corresponding HARQ process to have been toggled；(考虑相应的HARQ进程的NDI bit已切换)；
3>deliver the configured uplink grant and the associated HARQ information to the HARQ entity.(向HARQ实体下发配置的上行授权和关联的HARQ信息。)
为了达到上述目的，协议中规定了CG timer的几个启动条件：
其中一个条件为，当终端设备收到一个C-RNTI加扰的PDCCH调度的uplink grant(上行授权)，同时该uplink grant对应的HARQ process也配置给了CG，则UE需要在 收到该PDCCH时启动或者重启CG timer，这样在该timer运行期间，即便后面有CG资源，且CG资源对应的HARQ进程与该调度grant对应的HARQ进程一样，后续的CG资源也不会覆盖PDCCH动态调度的uplink grant所传输的数据：
1>if an uplink grant for this Serving Cell has been received on the PDCCH for the MAC entity's C-RNTI or Temporary C-RNTI(如果已经在PDCCH上收到针对MAC实体的C-RNTI或临时C-RNTI的该服务小区的上行链路许可)；or
1>if an uplink grant has been received in a Random Access Response(如果在随机接入响应中已收到上行链路许可):
2>if the uplink grant is for MAC entity's C-RNTI and if the previous uplink grant delivered to the HARQ entity for the same HARQ process was either an uplink grant received for the MAC entity's CS-RNTI or a configured uplink grant(如果上行链路许可是针对MAC实体的C-RNTI的，并且如果先前的上行链路许可是针对同一HARQ流程交付给HARQ实体的，则它是为MAC实体的CS-RNTI接收的上行链路许可，还是已配置的上行链路许可):
3>consider the NDI to have been toggled for the corresponding HARQ process regardless of the value of the NDI.不管NDI值如何，都认为NDI已针对相应的HARQ进程进行了切换。
2>if the uplink grant is for MAC entity's C-RNTI,and the identified HARQ process is configured for a configured uplink grant:(如果上行链路授权是针对MAC实体的C-RNTI，并且标识的HARQ进程已配置为已配置的上行链路授权)：
3>start or restart the configuredGrantTimer for the correponding HARQ process,if configured.(启动或重新启动用于相应的HARQ进程的configureGrantTimer(如果已配置))。
2>deliver the uplink grant and the associated HARQ information to the HARQ entity.(向HARQ实体下发上行授权和关联的HARQ信息。)
另外一个条件是，当UE收到一个CS-RNTI加扰的PDCCH调度的uplink grant，该uplink grant用于调度CG重传数据。该启动条件的目的与上述条件一致：
1>else if an uplink grant for this PDCCH occasion has been received for this Serving Cell on the PDCCH for the MAC entity's CS-RNTI:(否则，如果已经在PDCCH上为该MAC实体的CS-RNTI的该服务小区接收到针对该PDCCH事件的上行链路许可)：
2>if the NDI in the received HARQ information is 1:(如果接收到的HARQ信息中的NDI为1)：
3>consider the NDI for the corresponding HARQ process not to have been toggled；(考虑未切换对应的HARQ过程的NDI；)
3>start or restart the configuredGrantTimer for the corresponding HARQ process,if configured；(为相应的HARQ进程启动或重新启动configureGrantTimer(如果已配置)；)
3>deliver the uplink grant and the associated HARQ information to the HARQ entity.(向HARQ实体下发上行授权和关联的HARQ信息。)
另外几个条件是当新数据传输时(可以是CG资源上，也可以是dynamic scheduling资源上)，需要启动或者重启CG timer：
4>if the uplink grant is addressed to CS-RNTI；(如果上行链路许可寻址到CS-RNTI)or
4>if the uplink grant is a configured uplink grant(如果上行链路授权是已配置的上行链路授权)；or
4>if the uplink grant is addressed to C-RNTI,and the identified HARQ process is configured for a configured uplink grant(如果将上行链路授权寻址到C-RNTI，并且为配 置的上行链路授权配置了所标识的HARQ进程):
5>start or restart the configuredGrantTimer,if configured,for the corresponding HARQ process when the transmission is performed(在执行传输时，为相应的HARQ进程启动或重新启动configureGrantTimer(如果已配置))。
或者是重传是数据发生时：
4>if the uplink grant is addressed to CS-RNTI(如果上行链路许可寻址到CS-RNTI)；or
4>if the uplink grant is addressed to C-RNTI,and the identified HARQ process is configured for a configured uplink grant(如果将上行链路授权寻址到C-RNTI，并且为配置的上行链路授权配置了所标识的HARQ进程):
5>start or restart the configuredGrantTimer,if configured,for the corresponding HARQ process when the transmission is performed.(在执行传输时，为相应的HARQ进程启动或重新启动configureGrantTimer(如果已配置))。
关于NR-U中的configured grant，RAN2的结论包括：
对于配置在NR-U(NR非授权频带)上的configured grant(CG)，RAN2同意引入一个新的定时器，这里叫做“CG retransmission timer”，其作用是当定时器超时时，UE可以在configured grant上自动发起重传。之所以引入一个新的定时器，其目的主要是考虑在NR-U中，当UE在configured grant上发起数据传输时，UE无法区分网络是否正确收到该数据，即无法区分网络是正确收到了数据还是网络没有正确收到数据而需要给该UE调度重传。对于网络正确收到该数据，现有技术中，网络不会给UE进行任何反馈。对于网络未正确收到该数据，网络需要动态调度该数据重传，但是在NR-U中，有可能网络不能获取信道因此导致该动态调度不能发送给UE。
为了保证数据的正确传输，NR-U中引入显示反馈，即DFI(Downlink feedback indication)，即网络需要显示的通知UE是否正确接收到数据。DFI可以指示ACK或者NACK。当然网络也可以通过动态调度数据重传来隐式的指示数据未正确接收，或者动态调度数据新传来隐式指示数据正确接收，也就是如agreement中所述。当接收到HARQ feedback(DFI)或者dynamic grant for the HARQ process,UE需要停止该CG retransmission timer。其原因，网络已经指示UE是否正确接收数据，不需要该timer继续运行来触发UE在CG上的自动重传。
另外，在结论中也提到，R15中的在授权频谱上配置的configured grant，其configured grant timer的也保留下来。其目的主要是防止configured grant的数据覆盖动态调度的数据，导致数据丢失。也就是，CG timer会在收到动态调度或者在动态调度的PUSCH传输数据时启动或者重新启动。
应理解，本文中术语“系统”和“网络”在本文中常被可互换使用。本文中术语“和/或”，仅仅是一种描述关联对象的关联关系，表示可以存在三种关系，例如，A和/或B，可以表示：单独存在A，同时存在A和B，单独存在B这三种情况。另外，本文中字符“/”，一般表示前后关联对象是一种“或”的关系。
为了能够更加详尽地了解本发明实施例的特点与技术内容，下面结合附图对本发明实施例的实现进行详细阐述，所附附图仅供参考说明之用，并非用来限定本发明实施例。
基于此，本发明实施例提供一种进程选择方法，如图2所示，包括：
步骤21：终端设备确定第一混合自动重传请求(HARQ，Hybrid Automatic Repeat reQuest)进程，将所述第一HARQ关联到配置上行授权的上行传输上；
其中，所述第一HARQ进程为至少一个HARQ进程中优先级最高的；所述至少一个HARQ进程包括处于挂起Pending状态的HARQ进程、和/或、所述第一HARQ进程 为需要重传的HARQ进程、和/或、新传数据的HARQ进程至少之一。
其中，所述上行传输可以为：物理上行共享信道(PUSCH，Physical UpLink Share CHannel)。
所述处于挂起Pending状态的HARQ进程为：在LBT失败的情况下出现数据传输阻塞的HARQ进程。
具体来说，为了解决PDU覆写问题，引入了“处于挂起Pending状态的HARQ进程”(或称为挂起Pending的HARQ进程)，其产生是由于当传输因LBT故障而被阻塞时，相关的HARQ进程被视为挂起。
需要指出的是，在下次当终端设备选择相同的HARQ进程进行传输时，还会将其视为重传。但是Pending状态的HARQ进程与由于CGRT超时产生的需要重传的HARQ进程还是不同的。
再进一步地，确认HARQ进程是否处于pending状态的方式可以包括：
4>如果为标识的HARQ进程配置了cg-RetransmissionTimer(CGRT)(if cg-RetransmissionTimer is configured for the identified HARQ process)：
5>如果HARQ进程执行传输(if the transmission is performed):
6>认为所述HARQ进程为非Pending状态(consider the identified HARQ process as not pending)。
5>否则：
6>认为所述HARQ进程为Pending状态(consider the identified HARQ process as pending)
所述需要重传的HARQ进程为：处于非挂起Pending状态，并且其对应的CG重传定时器未运行状态，对应的CG定时器处于运行状态的HARQ进程。
基于前述说明，本实施例确定第一HARQ进程的方式，可以为：所述终端设备根据优先级规则从至少一个HARQ进程中选择第一HARQ进程。
关于所述优先级规则，可以有两种情况：
第一种情况中，分别设置不同类型的HARQ进程的优先级；第二种情况中，基于HARQ进程中的数据来确定优先级。
下面结合示例对上述两种情况进行说明：
示例1、
所述优先级规则，包括：
处于挂起Pending状态的HARQ进程的优先级高于传输新数据的HARQ进程；和/或，
所述需要重传的HARQ进程的优先级，高于处于挂起Pending状态的HARQ进程；和/或，
所述需要重传的HARQ进程的优先级，高于新传数据的HARQ进程。
本示例中，可以认为在终端设备预设了一种优先级规则，该规则可以按照优先级从高到低的顺序，从上到下分别为：
所述需要重传的HARQ进程；
处于挂起Pending状态的HARQ进程；
新传数据的HARQ进程。
进一步地，结合本示例的优先级规则，提供以下几种场景的处理：
第一种场景、
在终端设备存在一个处于挂起Pending状态的HARQ进程、且不存在需要重传的HARQ进程的情况下，所述终端设备将所述处于挂起Pending状态的HARQ进程作为第 一HARQ进程。
为了解决PDU覆写问题，引入了“挂起的HARQ进程”，即当传输因LBT故障而被阻塞时，相关的HARQ进程被视为挂起状态。当UE选择相同的HARQ进程进行传输时，应将其视为重传，即该HARQ进程无新的传输。通过采用挂起的HARQ进程来避免MAC PDU覆盖问题，关于Pending挂起状态的HARQ进程的确定方式如前所述，这里不再赘述。
在终端设备存在由于LBT失败，而在某个或者某些HARQ进程中有缓存数据时，终端设备优先选择这些HARQ进程来传输pending挂起的数据。针对挂起的HARQ进程，应优先于CG资源上发起的新传输。
关于挂起状态的HARQ进程，也为重传的HARQ进程中的一种；重传的HARQ进程优先级优高于初始传输(或新传数据)。对于挂起的HARQ过程也应优先于初始传输(或新传数据)是本场景提供的主要处理。通常来说，在UE的所有HARQ进程中，没有缓存数据时，UE基于实现选择HARQ进程来传输新数据。在规定了重传应优先于新传输的HARQ进程的情况下，也就是在如图3所示的情况下，HPID(HARQ进程标识)＝0为需要重传的HARQ进程，在CGRT定时器结束之后新的CG资源到来，这个CG资源也可以处于其他CG配置中，在该CG资源中，不传输新传数据的HARQ进程，即产生新的HPID的其他进程，而传输HPID＝0的HARQ进程。这是由于终端设备如果不优先重传，则终端设备将总是执行新的传输，从而导致存储在HARQ缓冲器中的那些PDU的额外延迟。
基于此，存在由于LBT失败产生而挂起的HARQ进程的情况下，假设该挂起的HARQ进程为HPID＝0。如图4所示，对于下一个可用的CG资源，挂起状态的HARQ进程优先于新传数据的HARQ进程，也就是优先传输挂起的HARQ进程HPID＝0。
第二种场景、
在终端设备存在多个处于挂起Pending状态的HARQ进程、且不存在需要重传的HARQ进程的情况下，所述终端设备从所述多个处于挂起Pending状态的HARQ进程中选取第一HARQ进程。
与上一种不同在于，上一种针对了存在一个Pending状态的HARQ进程以及新传数据的HARQ进程的场景中，根据优先级规则，确定选取该Pending状态的HARQ进程即可。
但是，在新的CG资源到来的时候，存在多个处于Pending状态的HARQ进程的情况下如何进行处理，为本场景关注的重点，具体的：
其中，从所述多个处于挂起Pending状态的HARQ进程中选取第一HARQ进程的方式，包括：
方式一、从所述多个处于挂起Pending状态的HARQ进程中选取一个HARQ进程作为所述第一HARQ进程；本方式中，可以为从多个处于挂起Pending状态的HARQ进程中随机选取一个HARQ进程作为第一HARQ进程。也就是说，终端设备从2个或更多的处于挂起状态的HARQ进程中选取任意一个作为第一HARQ进程，并且保留原HARQ进程的标识。
比如，结合图5，当前存在挂起状态的HARQ进程HPID分别为0、1、2；在新的CG到来时，可以随机选择HPID1在新的CG进行传输。
或者，
方式二、从所述多个处于挂起Pending状态的HARQ进程所缓存的数据中，选取数据优先级最高的HARQ进程作为第一HARQ进程。
也就是根据HARQ进程中缓存的数据对应的数据优先级，选择数据优先级最高的 挂起状态的HARQ进程作为第一HARQ进程。
需要理解的是，本方式的前提为本示例上述的“在终端设备存在一个处于挂起Pending状态的HARQ进程、且不存在需要重传的HARQ进程的情况下”，换句话说，这个方式中，最多存在两种HARQ进程，一种是处于挂起状态的HRAQ进程，一种是新传数据的HARQ进程。
进一步，先根据预设的优先级规则处于挂起Pending状态的HARQ进程的优先级高于传输新数据的HARQ进程，将多个处于挂起状态的HARQ进程选出来，再从多个处于挂起状态的中选择数据优先级最高的HARQ进程作为第一HARQ进程。
关于数据优先级的确定方式可以包括：
HARQ进程对应的数据优先级，根据HARQ进程缓存的MAC PDU中包含的SDU所对应的逻辑信道优先级确定；也即选择这些逻辑信道中优先级最高的那个优先级最为该数据MAC PDU的优先级。
或者，
HARQ进程对应的数据优先级，由协议规定；
或者，
HARQ进程对应的数据优先级，由网络设备配置。
其中，关于协议规定或网络设备配置，均可以理解为指定的不同类型的数据优先级，这里不再赘述。
其中，根据HARQ进程缓存的MAC PDU中包含的SDU所对应的逻辑信道优先级确定，包括：从HARQ进程缓存的MAC PDU中包含的SDU所对应的逻辑信道优先级中，选择最高逻辑信道优先级作为HARQ进程的数据优先级。
比如，结合图6，当前存在挂起状态的HARQ进程HPID分别为0、1、2；在新的CG到来时，可以选择数据优先级最高的HPID 0在新的CG进行传输。
第三种场景、
在终端设备存在需要重传的HARQ进程的情况下，所述终端设备将所述需要重传的HARQ进程作为所述第一HARQ进程。
对应优先级规则：所述需要重传的HARQ进程的优先级，高于处于挂起Pending状态的HARQ进程；和/或，
所述需要重传的HARQ进程的优先级，高于新传数据的HARQ进程。
本场景中，可以存在的至少一个HARQ进程，包括：所述需要重传的HARQ进程以及处于挂起Pending状态的HARQ进程；
或者，可以包括所述需要重传的HARQ进程以及新传数据的HARQ进程；
又或者，包括：所述需要重传的HARQ进程、处于挂起Pending状态的HARQ进程、和新传数据的HARQ进程。
需要理解的是，上述不同类型的HARQ进程的数量都可以为一个或多个。
也就是说，本场景的方案为：由于对应的CGRT(CG重传定时器，configured grant retransmission timer)超时且对应的CGT正在运行，需要对某个HARQ进程重传时，在面临一个可用的CG资源时，优先选择该CGRT关联的HARQ进程来进行重传。即便在这个时候，可能有一个或者多个HARQ进程处于pending状态。
结合图7来说，对于可用的CG资源(灰色)，将CGRT超时产生的重传数据对应的HARQ进程HID＝0优先处理，还是针对挂起的HARQ进程进行传输(例如HPID＝1到HPID＝n)，为本场景所要解决的问题。首先认为数据本身在重传的HARQ进程和未决的HARQ进程之间不具有任何优先级。由于对HPID＝0的HARQ进程的CGRT的过期，如果UE由于HPID#0的CGRT到期没有执行重传，则HPID#0的CGT将在没 有自主重传HPID#0的情况下到期。从这个角度来看，应该设置需要重传的HARQ进程优于挂起的HARQ进程，也就是图中所示，在新的CG资源中，优先传输HPID＝0的需要重传的HARQ进程。
示例2、
所述优先级规则为优先传输HARQ进程的数据优先级最高的HARQ进程。
可以认为终端设备存在的至少一个HARQ进程，包括处于挂起Pending状态的HARQ进程、需要重传的HARQ进程以及新传数据中至少之一。
具体来说：
在终端设备存在处于挂起Pending状态的HARQ进程、需要重传的HARQ进程以及新传数据的HARQ进程中至少之一的情况下，
所述终端设备从所述多个挂起的HARQ进程和需要重传的HARQ进程以及新传数据的HARQ进程的至少之一中，选取数据优先级最高的HARQ进程作为第一HARQ进程。
与前述示例1不同在于，本示例不设置任何类型的HARQ进程的优先级，而是仅利用HARQ进程中缓存的数据、和/或对应的新传数据来进行数据优先级的判断，根据判断结果选择最高数据优先级的HARQ进程作为在CG资源中传输的第一HARQ进程。
关于数据优先级的确定方式可以包括：
HARQ进程对应的数据优先级，根据HARQ进程缓存的MAC PDU中包含的SDU所对应的逻辑信道优先级确定；也即选择这些逻辑信道中优先级最高的那个优先级最为该数据MAC PDU的优先级。
或者，
HARQ进程对应的数据优先级，由协议规定；
或者，
HARQ进程对应的数据优先级，由网络设备配置。
其中，关于协议规定或网络设备配置，均可以理解为指定的不同类型的数据优先级，这里不再赘述。
其中，根据HARQ进程缓存的MAC PDU中包含的SDU所对应的逻辑信道优先级确定，包括：从HARQ进程缓存的MAC PDU中包含的SDU所对应的逻辑信道优先级中，选择最高逻辑信道优先级作为HARQ进程的数据优先级。
关于逻辑信道优先级LCP中的一种示例，按照优先级从高到低的顺序从上到下排列，可以包括：
-C-RNTI MAC CE or data from UL-CCCH，即来自UL-CCCH的C-RNTI MAC CE或者数据；
-Configured Grant Confirmation MAC CE，即配置的传输资源确认MAC CE；
-MAC CE for BSR,with exception of BSR included for padding，即除包含Padding的BSR之外的BSR MAC CE；
-Single Entry PHR MAC CE or Multiple Entry PHR MAC CE，即一个或多个进入(Entry)PHR MAC CE；
-data from any Logical Channel,except data from UL-CCCH，即除UL-CCCH之外的逻辑信道的数据；
-MAC CE for Recommended bit rate query，指定比特率查询MAC CE；
-MAC CE for BSR included for padding，即包含在Padding的BSR MAC CE。
当然，LCP也可以理解为根据协议规定的或者网络设备配置的，另外，这里LCP的排序仅为一种示例，还可能存在其他更多的内容或者不同的排序方式，本方式中不进 行穷举。
比如，结合图8，当前存在挂起状态的HARQ进程HPID分别为1、2、3，需要重传的HARQ进程HPID为0；在新的CG到来时，根据数据优先级，确定处于挂起状态的HARQ进程2优先级最高，因此在CG中传输HPID＝2的HARQ进程。
又比如，当前存在挂起状态的HARQ进程HPID分别为1、2、3，需要重传的HARQ进程HPID为0；在新的CG到来时，根据数据优先级，新传数据的优先级最高，那么就根据终端设备实现为该新传数生成新的HARQ进程的标识，比如，可以为HPID＝4，然后在CG中传输该新传数据的HARQ进程。
可见，通过采用本实施例提供的方案，就能够在传输HARQ进程的时候，根据优先选取优先级最高的一个HARQ进程来传输，从而，保证了优先级最高的HARQ进程优先发送，避免了在可用上行传输中总是传输新传数据的HARQ进程，所导致的缓存的数据无法发出而带来的额外延时的问题。
本发明实施例还提供一种终端设备，如图9所示，包括：
处理单元31，确定第一混合自动重传请求(HARQ，Hybrid Automatic Repeat reQuest)进程；
通信单元32，将所述第一HARQ关联到配置上行授权的上行传输上；
其中，所述第一HARQ进程为至少一个HARQ进程中优先级最高的；所述至少一个HARQ进程包括处于挂起Pending状态的HARQ进程、和/或、所述第一HARQ进程为需要重传的HARQ进程、和/或、新传数据的HARQ进程至少之一。
其中，所述上行传输可以为：物理上行共享信道(PUSCH，Physical UpLink Share CHannel)。
所述处于挂起Pending状态的HARQ进程为：在LBT失败的情况下出现数据传输阻塞的HARQ进程。
再进一步地，处理单元31，确认HARQ进程是否处于pending状态的方式可以包括：
4>如果为标识的HARQ进程配置了cg-RetransmissionTimer(CGRT)(if cg-RetransmissionTimer is configured for the identified HARQ process)：
5>如果HARQ进程执行传输(if the transmission is performed):
6>认为所述HARQ进程为非Pending状态(consider the identified HARQ process as not pending)。
5>否则：
6>认为所述HARQ进程为Pending状态(consider the identified HARQ process as pending)
所述需要重传的HARQ进程为：处于非挂起Pending状态，并且其对应的CG重传定时器未运行状态，对应的CG定时器处于运行状态的HARQ进程。
基于前述说明，本实施例进行第一HARQ进程选取的方式，可以为：所述终端设备根据优先级规则从至少一个HARQ进程中选择第一HARQ进程。
关于所述优先级规则，可以有两种情况：
第一种情况中，分别设置不同类型的HARQ进程的优先级；第二种情况中，基于HARQ进程中的数据来确定优先级。
下面结合示例对上述两种情况进行说明：
示例1、
所述优先级规则，包括：
处于挂起Pending状态的HARQ进程的优先级高于传输新数据的HARQ进程；和/ 或，
所述需要重传的HARQ进程的优先级，高于处于挂起Pending状态的HARQ进程；和/或，
所述需要重传的HARQ进程的优先级，高于新传数据的HARQ进程。
本示例中，可以认为在终端设备预设了一种优先级规则，该规则可以按照优先级从高到低的顺序，从上到下分别为：
所述需要重传的HARQ进程；
处于挂起Pending状态的HARQ进程；
新传数据的HARQ进程。
进一步地，结合本示例的优先级规则，提供以下几种场景的处理：
第一种场景、
处理单元31，存在一个处于挂起Pending状态的HARQ进程、且不存在需要重传的HARQ进程的情况下，所述终端设备将所述挂起的HARQ进程作为第一HARQ进程。
也就是，在存在由于LBT失败，而在某个或者某些HARQ进程中有缓存数据时，处理单元31，优先选择这些HARQ进程来传输pending挂起的数据。针对挂起的HARQ进程，应优先于CG资源上发起的新传输。
第二种场景、
处理单元31，存在多个处于挂起Pending状态的HARQ进程、且不存在需要重传的HARQ进程的情况下，所述终端设备从所述多个处于挂起Pending状态的HARQ进程中选取第一HARQ进程。
与上一种不同在于，上一种针对了存在一个Pending状态的HARQ进程以及新传数据的HARQ进程的场景中，根据优先级规则，确定选取该Pending状态的HARQ进程即可。
但是，在新的CG资源到来的时候，存在多个处于Pending状态的HARQ进程的情况下如何进行处理，为本场景关注的重点，具体的：
其中，处理单元31，从所述多个处于挂起Pending状态的HARQ进程中选取第一HARQ进程的方式，包括：
方式一、从所述多个处于挂起Pending状态的HARQ进程中选取一个HARQ进程作为所述第一HARQ进程。
或者，
方式二、从所述多个处于挂起Pending状态的HARQ进程所缓存的数据中，选取数据优先级最高的HARQ进程作为第一HARQ进程。
也就是根据HARQ进程中缓存的数据对应的数据优先级，选择数据优先级最高的挂起状态的HARQ进程作为第一HARQ进程。
处理单元31，关于数据优先级的确定方式可以包括：
HARQ进程对应的数据优先级，根据HARQ进程缓存的MAC PDU中包含的SDU所对应的逻辑信道优先级确定；也即选择这些逻辑信道中优先级最高的那个优先级最为该数据MAC PDU的优先级。
或者，
HARQ进程对应的数据优先级，由协议规定；
或者，
HARQ进程对应的数据优先级，由网络设备配置。
其中，关于协议规定或网络设备配置，均可以理解为指定的不同类型的数据优先级，这里不再赘述。
其中，根据HARQ进程缓存的MAC PDU中包含的SDU所对应的逻辑信道优先级确定，包括：从HARQ进程缓存的MAC PDU中包含的SDU所对应的逻辑信道优先级中，选择最高逻辑信道优先级作为HARQ进程的数据优先级。
比如，结合图6，当前存在挂起状态的HARQ进程HPID分别为0、1、2；在新的CG到来时，可以选择数据优先级最高的HPID 0在新的CG进行传输。
第三种场景、
处理单元31，存在需要重传的HARQ进程的情况下，所述终端设备将所述需要重传的HARQ进程作为所述第一HARQ进程。
对应优先级规则：所述需要重传的HARQ进程的优先级，高于处于挂起Pending状态的HARQ进程；和/或，
所述需要重传的HARQ进程的优先级，高于新传数据的HARQ进程。
也就是说，本场景的方案为：由于对应的CGRT(CG重传定时器，configured grant retransmission timer)超时且对应的CGT正在运行，需要对某个HARQ进程重传时，在一个可用的CG资源时，优先选择该CGRT关联的HARQ进程来进行重传。即便在这个时候，可能有一个或者多个HARQ进程处于pending状态。
示例2、
所述优先级规则为优先传输HARQ进程的数据优先级最高的HARQ进程。
可以认为终端设备存在的至少一个HARQ进程，包括处于挂起Pending状态的HARQ进程、需要重传的HARQ进程以及新传数据中至少之一。
具体来说：
处理单元31，存在处于挂起Pending状态的HARQ进程、需要重传的HARQ进程以及新传数据的HARQ进程中至少之一的情况下，
从所述多个处于挂起Pending状态的HARQ进程和需要重传的HARQ进程以及新传数据的HARQ进程的至少之一中，选取数据优先级最高的HARQ进程作为第一HARQ进程。
与前述示例1不同在于，本示例不设置任何类型的HARQ进程的优先级，而是仅利用HARQ进程中缓存的数据来进行数据优先级的判断，根据判断结果选择最高数据优先级的HARQ进程作为在CG资源中传输的第一HARQ进程。
关于数据优先级的确定方式可以包括：
HARQ进程对应的数据优先级，根据HARQ进程缓存的MAC PDU中包含的SDU所对应的逻辑信道优先级确定；也即选择这些逻辑信道中优先级最高的那个优先级最为该数据MAC PDU的优先级。
或者，
HARQ进程对应的数据优先级，由协议规定；
或者，
HARQ进程对应的数据优先级，由网络设备配置。
其中，关于协议规定或网络设备配置，均可以理解为指定的不同类型的数据优先级，这里不再赘述。
其中，根据HARQ进程缓存的MAC PDU中包含的SDU所对应的逻辑信道优先级确定，包括：从HARQ进程缓存的MAC PDU中包含的SDU所对应的逻辑信道优先级中，选择最高逻辑信道优先级作为HARQ进程的数据优先级。
关于逻辑信道优先级LCP中的一种示例，按照优先级从高到低的顺序从上到下排列，可以包括：
-C-RNTI MAC CE or data from UL-CCCH，即来自UL-CCCH的C-RNTI MAC CE 或者数据；
-Configured Grant Confirmation MAC CE，即配置的传输资源确认MAC CE；
-MAC CE for BSR,with exception of BSR included for padding，即除包含Padding的BSR之外的BSR MAC CE；
-Single Entry PHR MAC CE or Multiple Entry PHR MAC CE，即一个或多个进入(Entry)PHR MAC CE；
-data from any Logical Channel,except data from UL-CCCH，即除UL-CCCH之外的逻辑信道的数据；
-MAC CE for Recommended bit rate query，指定比特率查询MAC CE；
-MAC CE for BSR included for padding，即包含在Padding的BSR MAC CE。
当然，LCP也可以理解为根据协议规定的或者网络设备配置的，另外，这里LCP的排序仅为一种示例，还可能存在其他更多的内容或者不同的排序方式，本方式中不进行穷举。
可见，通过采用本实施例提供的方案，就能够在传输HARQ进程的时候，根据优先选取优先级最高的一个HARQ进程来传输，从而，保证了优先级最高的HARQ进程优先发送，避免了在可用上行传输中总是传输新传数据的HARQ进程，所导致的缓存的数据无法发出而带来的额外延时的问题。
图10是本发明实施例提供的一种通信设备1400示意性结构图，本实施例中的通信设备可以具体为前述实施例中的终端设备或网络设备。图10所示的通信设备1400包括处理器1410，处理器1410可以从存储器中调用并运行计算机程序，以实现本发明实施例中的方法。
可选地，图10所示，通信设备1400还可以包括存储器1420。其中，处理器1410可以从存储器1420中调用并运行计算机程序，以实现本发明实施例中的方法。
其中，存储器1420可以是独立于处理器1410的一个单独的器件，也可以集成在处理器1410中。
可选地，如图10所示，通信设备1400还可以包括收发器1430，处理器1410可以控制该收发器1430与其他设备进行通信，具体地，可以向其他设备发送信息或数据，或接收其他设备发送的信息或数据。
其中，收发器1430可以包括发射机和接收机。收发器1430还可以进一步包括天线，天线的数量可以为一个或多个。
可选地，该通信设备1400具体可为本发明实施例的终端设备或网络设备实现的相应流程，为了简洁，在此不再赘述。
图11是本发明实施例的芯片的示意性结构图。图11所示的芯片1500包括处理器1510，处理器1510可以从存储器中调用并运行计算机程序，以实现本发明实施例中的方法。
可选地，如图11所示，芯片1500还可以包括存储器1520。其中，处理器1510可以从存储器1520中调用并运行计算机程序，以实现本发明实施例中的方法。
其中，存储器1520可以是独立于处理器1510的一个单独的器件，也可以集成在处理器1510中。
可选地，该芯片1500还可以包括输入接口1530。其中，处理器1510可以控制该输入接口1530与其他设备或芯片进行通信，具体地，可以获取其他设备或芯片发送的信息或数据。
可选地，该芯片1500还可以包括输出接口1540。其中，处理器1510可以控制该输出接口1540与其他设备或芯片进行通信，具体地，可以向其他设备或芯片输出信息或 数据。
可选地，该芯片可应用于本发明实施例中的终端设备或网络设备实现的相应流程，为了简洁，在此不再赘述。
应理解，本发明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。
应理解，本发明实施例的处理器可能是一种集成电路芯片，具有信号的处理能力。在实现过程中，上述方法实施例的各步骤可以通过处理器中的硬件的集成逻辑电路或者软件形式的指令完成。上述的处理器可以是通用处理器、数字信号处理器(Digital Signal Processor，DSP)、专用集成电路(Application Specific Integrated Circuit，ASIC)、现成可编程门阵列(Field Programmable Gate Array，FPGA)或者其他可编程逻辑器件、分立门或者晶体管逻辑器件、分立硬件组件。
可以理解，本发明实施例中的存储器可以是易失性存储器或非易失性存储器，或可包括易失性和非易失性存储器两者。应注意，本文描述的系统和方法的存储器旨在包括但不限于这些和任意其它适合类型的存储器。
应理解，上述存储器为示例性但不是限制性说明，例如，本发明实施例中的存储器还可以是静态随机存取存储器(static RAM，SRAM)、动态随机存取存储器(dynamic RAM，DRAM)、同步动态随机存取存储器(synchronous DRAM，SDRAM)、双倍数据速率同步动态随机存取存储器(double data rate SDRAM，DDR SDRAM)、增强型同步动态随机存取存储器(enhanced SDRAM，ESDRAM)、同步连接动态随机存取存储器(synch link DRAM，SLDRAM)以及直接内存总线随机存取存储器(Direct Rambus RAM，DR RAM)等等。也就是说，本发明实施例中的存储器旨在包括但不限于这些和任意其它适合类型的存储器。
图12是本申请实施例提供的一种通信系统1600的示意性框图。如图12所示，该通信系统1600包括网络设备1610和终端1620。
其中，该网络设备1610可以用于实现上述方法中由通信设备实现的相应的功能，以及该终端1620可以用于实现上述方法中由终端实现的相应的功能为了简洁，在此不再赘述。
本发明实施例还提供了一种计算机可读存储介质，用于存储计算机程序。
可选的，该计算机可读存储介质可应用于本发明实施例中的网络设备或卫星或终端设备，并且该计算机程序使得计算机执行本发明实施例的各个方法中由网络设备实现的相应流程，为了简洁，在此不再赘述。
本发明实施例还提供了一种计算机程序产品，包括计算机程序指令。
可选的，该计算机程序产品可应用于本发明实施例中的网络设备或卫星或终端设备，并且该计算机程序指令使得计算机执行本发明实施例的各个方法中由网络设备实现的相应流程，为了简洁，在此不再赘述。
本发明实施例还提供了一种计算机程序。
可选的，该计算机程序可应用于本发明实施例中的网络设备或卫星或终端设备，当该计算机程序在计算机上运行时，使得计算机执行本发明实施例的各个方法中由网络设备实现的相应流程，为了简洁，在此不再赘述。
本领域普通技术人员可以意识到，结合本文中所公开的实施例描述的各示例的单元及算法步骤，能够以电子硬件、或者计算机软件和电子硬件的结合来实现。这些功能究竟以硬件还是软件方式来执行，取决于技术方案的特定应用和设计约束条件。专业技术人员可以对每个特定的应用来使用不同方法来实现所描述的功能，但是这种实现不应认为超出本发明的范围。
所属领域的技术人员可以清楚地了解到，为描述的方便和简洁，上述描述的系统、装置和单元的具体工作过程，可以参考前述方法实施例中的对应过程，在此不再赘述。
在本发明所提供的几个实施例中，应该理解到，所揭露的系统、装置和方法，可以通过其它的方式实现。所述作为分离部件说明的单元可以是或者也可以不是物理上分开的，作为单元显示的部件可以是或者也可以不是物理单元，即可以位于一个地方，或者也可以分布到多个网络单元上。可以根据实际的需要选择其中的部分或者全部单元来实现本实施例方案的目的。
另外，在本发明各个实施例中的各功能单元可以集成在一个处理单元中，也可以是各个单元单独物理存在，也可以两个或两个以上单元集成在一个单元中。
所述功能如果以软件功能单元的形式实现并作为独立的产品销售或使用时，可以存储在一个计算机可读取存储介质中。基于这样的理解，本发明的技术方案本质上或者说对现有技术做出贡献的部分或者该技术方案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中，包括若干指令用以使得一台计算机设备(可以是个人计算机，服务器，或者网络设备等)执行本发明各个实施例所述方法的全部或部分步骤。而前述的存储介质包括：U盘、移动硬盘、只读存储器(Read-Only Memory，)ROM、随机存取存储器(Random Access Memory，RAM)、磁碟或者光盘等各种可以存储程序代码的介质。
以上所述，仅为本发明的具体实施方式，但本发明的保护范围并不局限于此，任何熟悉本技术领域的技术人员在本发明揭露的技术范围内，可轻易想到变化或替换，都应涵盖在本发明的保护范围之内。因此，本发明的保护范围应所述以权利要求的保护范围为准。

Claims (31)

  1. 一种进程选择方法，包括：
    终端设备确定第一混合自动重传请求HARQ进程，将所述第一HARQ关联到配置上行授权的上行传输上；
    其中，所述第一HARQ进程为至少一个HARQ进程中优先级最高的；所述至少一个HARQ进程包括处于挂起Pending状态的HARQ进程、和/或、所述第一HARQ进程为需要重传的HARQ进程、和/或、新传数据的HARQ进程至少之一。
  2. 根据权利要求1所述的方法，其中，所述方法还包括：
    所述终端设备根据优先级规则从至少一个HARQ进程中选择第一HARQ进程。
  3. 根据权利要求2所述的方法，其中，所述优先级规则，包括：
    处于挂起Pending状态的HARQ进程的优先级高于传输新数据的HARQ进程；和/或，
    所述需要重传的HARQ进程的优先级，高于处于挂起Pending状态的HARQ进程；和/或，
    所述需要重传的HARQ进程的优先级，高于新传数据的HARQ进程。
  4. 根据权利要求3所述的方法，其中，所述方法还包括：
    在终端设备存在处于挂起Pending状态的HARQ进程、且不存在需要重传的HARQ进程的情况下，所述终端设备将所述处于挂起Pending状态的HARQ进程作为第一HARQ进程。
  5. 根据权利要求4所述的方法，其中，所述方法还包括：
    在终端设备存在多个处于挂起Pending状态的HARQ进程、且不存在需要重传的HARQ进程的情况下，所述终端设备从所述多个处于挂起Pending状态的HARQ进程中选取第一HARQ进程。
  6. 根据权利要求5所述的方法，其中，从所述多个处于挂起Pending状态的HARQ进程中选取第一HARQ进程的方式，包括：
    从所述多个处于挂起Pending状态的HARQ进程中选取一个HARQ进程作为所述第一HARQ进程；
    或者，
    从所述多个处于挂起Pending状态的HARQ进程所缓存的数据中，选取数据优先级最高的HARQ进程作为第一HARQ进程。
  7. 根据权利要求3所述的方法，其中，所述方法还包括：
    在终端设备存在需要重传的HARQ进程的情况下，所述终端设备将所述需要重传的HARQ进程作为所述第一HARQ进程。
  8. 根据权利要求2所述的方法，其中，所述方法还包括：
    在终端设备存在处于挂起Pending状态的HARQ进程、需要重传的HARQ进程以及新传数据的HARQ进程中至少之一的情况下，
    所述终端设备从所述多个处于挂起Pending状态的HARQ进程和需要重传的HARQ进程以及新传数据的HARQ进程的至少之一中，选取数据优先级最高的HARQ进程作为第一HARQ进程。
  9. 根据权利要求6或8所述的方法，其中，
    HARQ进程对应的数据优先级，根据HARQ进程缓存的MAC PDU中包含的SDU所对应的逻辑信道优先级确定；
    或者，
    HARQ进程对应的数据优先级，由协议规定；
    或者，
    HARQ进程对应的数据优先级，由网络设备配置。
  10. 根据权利要求9所述的方法，其中，根据HARQ进程缓存的MAC PDU中包含的SDU所对应的逻辑信道优先级确定，包括：
    从HARQ进程缓存的MAC PDU中包含的SDU所对应的逻辑信道优先级中，选择最高逻辑信道优先级作为HARQ进程的数据优先级。
  11. 根据权利要求1-10任一项所述的方法，其中，所述处于挂起Pending状态的HARQ进程为：在LBT失败的情况下出现数据传输阻塞的HARQ进程。
  12. 根据权利要求1-11任一项所述的方法，其中，所述需要重传的HARQ进程为：处于非挂起Pending状态，并且其对应的CG重传定时器未运行状态，对应的CG定时器处于运行状态的HARQ进程。
  13. 根据权利要求1所述的方法，其中，所述上行传输，为物理上行共享信道PUSCH。
  14. 一种终端设备，包括：
    处理单元，确定第一混合自动重传请求HARQ进程；
    通信单元，将所述第一HARQ关联到配置上行授权的上行传输上；
    其中，所述第一HARQ进程为至少一个HARQ进程中优先级最高的；所述至少一个HARQ进程包括处于挂起Pending状态的HARQ进程、和/或、所述第一HARQ进程为需要重传的HARQ进程、和/或、新传数据的HARQ进程至少之一。
  15. 根据权利要求14所述的终端设备，其中，所述处理单元，根据优先级规则从至少一个HARQ进程中选择第一HARQ进程。
  16. 根据权利要求15所述的终端设备，其中，所述优先级规则，包括：
    处于挂起Pending状态的HARQ进程的优先级高于传输新数据的HARQ进程；和/或，
    所述需要重传的HARQ进程的优先级，高于处于挂起Pending状态的HARQ进程；和/或，
    所述需要重传的HARQ进程的优先级，高于新传数据的HARQ进程。
  17. 根据权利要求16所述的终端设备，其中，所述处理单元，存在处于挂起Pending状态的HARQ进程、且不存在需要重传的HARQ进程的情况下，所述终端设备将所述处于挂起Pending状态的HARQ进程作为第一HARQ进程。
  18. 根据权利要求17所述的方终端设备，其中，所述处理单元，存在多个处于挂起Pending状态的HARQ进程、且不存在需要重传的HARQ进程的情况下，所述终端设备从所述多个处于挂起Pending状态的HARQ进程中选取第一HARQ进程。
  19. 根据权利要求18所述的终端设备，其中，所述处理单元，从所述多个处于挂起Pending状态的HARQ进程中选取一个HARQ进程作为所述第一HARQ进程；
    或者，
    从所述多个处于挂起Pending状态的HARQ进程所缓存的数据中，选取数据优先级最高的HARQ进程作为第一HARQ进程。
  20. 根据权利要求16所述的终端设备，其中，所述处理单元，存在需要重传的HARQ进程的情况下，将所述需要重传的HARQ进程作为所述第一HARQ进程。
  21. 根据权利要求15所述的终端设备，其中，所述处理单元，存在处于挂起Pending状态的HARQ进程、需要重传的HARQ进程以及新传数据的HARQ进程中至少之一的情况下，
    从所述多个挂起的HARQ进程和需要重传的HARQ进程以及新传数据的HARQ进程的至少之一中，选取数据优先级最高的HARQ进程作为第一HARQ进程。
  22. 根据权利要求19或21所述的终端设备，其中，
    HARQ进程对应的数据优先级，根据HARQ进程缓存的MAC PDU中包含的SDU所对应的逻辑信道优先级确定；
    或者，
    HARQ进程对应的数据优先级，由协议规定；
    或者，
    HARQ进程对应的数据优先级，由网络设备配置。
  23. 根据权利要求22所述的终端设备，其中，所述处理单元，从HARQ进程缓存的MAC PDU中包含的SDU所对应的逻辑信道优先级中，选择最高逻辑信道优先级作为HARQ进程的数据优先级。
  24. 根据权利要求14-23任一项所述的终端设备，其中，所述处于挂起Pending状态的HARQ进程为：在LBT失败的情况下出现数据传输阻塞的HARQ进程。
  25. 根据权利要求14-23任一项所述的终端设备，其中，所述需要重传的HARQ进程为：处于非挂起Pending状态，并且其对应的CG重传定时器未运行状态，对应的CG定时器处于运行状态的HARQ进程。
  26. 根据权利要求14所述的终端设备，其中，所述上行传输，为物理上行共享信道PUSCH。
  27. 一种终端设备，包括：处理器和用于存储能够在处理器上运行的计算机程序的存储器，
    其中，该存储器用于存储计算机程序，所述处理器用于调用并运行所述存储器中存储的计算机程序，执行如权利要求1-13任一项所述方法的步骤。
  28. 一种芯片，包括：处理器，用于从存储器中调用并运行计算机程序，使得安装有所述芯片的设备执行如权利要求1-13中任一项所述的方法。
  29. 一种计算机可读存储介质，所述计算机可读存储介质用于存储计算机程序，所述计算机程序使得计算机执行如权利要求1-13任一项所述方法的步骤。
  30. 一种计算机程序产品，包括计算机程序指令，该计算机程序指令使得计算机执行如权利要求1-13中任一项所述的方法。
  31. 一种计算机程序，所述计算机程序使得计算机执行如权利要求1-13中任一项所述的方法。
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