WO2021017453A1 - Procédé de planification pour ressources multi-configuration - Google Patents

Procédé de planification pour ressources multi-configuration Download PDF

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Publication number
WO2021017453A1
WO2021017453A1 PCT/CN2020/073698 CN2020073698W WO2021017453A1 WO 2021017453 A1 WO2021017453 A1 WO 2021017453A1 CN 2020073698 W CN2020073698 W CN 2020073698W WO 2021017453 A1 WO2021017453 A1 WO 2021017453A1
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WIPO (PCT)
Prior art keywords
configuration
resources
priority
configuration resources
transmission duration
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PCT/CN2020/073698
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English (en)
Chinese (zh)
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焦慧颖
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中国信息通信研究院
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/50—Allocation or scheduling criteria for wireless resources
    • H04W72/56—Allocation or scheduling criteria for wireless resources based on priority criteria
    • H04W72/566—Allocation or scheduling criteria for wireless resources based on priority criteria of the information or information source or recipient
    • H04W72/569—Allocation or scheduling criteria for wireless resources based on priority criteria of the information or information source or recipient of the traffic information
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/12—Wireless traffic scheduling
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/20—Control channels or signalling for resource management
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/50—Allocation or scheduling criteria for wireless resources
    • H04W72/56—Allocation or scheduling criteria for wireless resources based on priority criteria

Definitions

  • This application relates to the field of mobile communication technology, and in particular to a scheduling method for multiple configuration resources.
  • the configuration of the high-level parameter ConfiguredGrantConfig includes time domain resources, frequency domain resources, demodulation reference signal (DM RS), open loop power control, modulation and coding scheme (Modulation and Coding Scheme, That is, all transmission resources and transmission parameters including MCS, waveform, redundancy version (RV), number of repetitions, frequency hopping, HARQ process number, etc.
  • DM RS demodulation reference signal
  • RV redundancy version
  • the UE can immediately use the configured transmission parameters to perform uplink data transmission on the configured time-frequency resources.
  • the traffic models of these two types of services can be abstracted as half-period behaviors. For example, the period is constant, but the packet size changes rapidly, or both the packet size and period change so that it can be divided into multiple periods. It also facilitates quick activation and deactivation of certain configurations to better adapt to traffic conditions.
  • the parameters of multiple different configurations such as MCS and transmission length, are different, or because the arrival time and arrival period of the data stream are also different, so the period or data transmission length is also Different, use this method to meet the business quality requirements of different business flows.
  • the MAC layer when the configured and scheduled resources conflict with the dynamically scheduled resources, the MAC layer always prioritizes the dynamically scheduled resources, provided that the terminal has enough time to process the dynamic scheduling. In order to avoid the situation that the terminal does not have enough time to process the dynamic scheduling, the physical layer further defines that the terminal will not be scheduled for effective uplink configuration scheduling transmission timing before the dynamic scheduling is processed.
  • the configured resources may overlap in time. For example, when eMBB and URLLC are scheduled separately, it is difficult to find the time and time for short-period URLLC services. Non-overlapping resources for eMBB services are configured. Therefore, when time resource conflicts should be considered, how does the terminal know which kind of service is allowed to be sent, that is, which configuration exempt scheduling resources can be used for sending.
  • This application proposes a multi-configuration resource scheduling method to solve the problem of multi-configuration scheduling resource conflict.
  • the embodiment of the present application provides a multi-configuration resource scheduling method, which is used for service scheduling when N unauthorized resources are configured, including the following steps:
  • the configuration information includes a configuration identification identifier, which indicates the sending priority of N configurations;
  • At least two configured resource periods are the same, use at least one parameter (or a combination of parameters) among the transmission duration, start time, and MCS level of the two configured resources to determine the priority;
  • the order in which the at least two configuration resources send services is determined according to the priority indicated by the configuration identification identifier.
  • the order of sending services of the at least two configuration resources is such that a shorter period has a higher priority.
  • the order of sending services of the at least two configuration resources determines the priority according to the transmission duration, and the priority of the short data transmission duration is higher.
  • the order of sending services of the at least two configuration resources determines the priority according to the data start time, and the earlier start time has priority High-level.
  • the order of sending services of the at least 2 configuration resources determines the priority according to the MCS level. High priority.
  • the order of sending services of the at least 2 configuration resources is determined according to the configuration identification identifier. .
  • the MAC layer first distinguishes the priorities; when the MAC layer cannot distinguish the priorities, the N scheduling resources are respectively generated into N corresponding PDUs, and then according to the aforementioned at least one embodiment Method to determine priority.
  • the upper layer configures N independent resources, and the content of the configuration includes N configuration identification identifiers (IDs), which indicate the transmission priority of the N configurations.
  • IDs N configuration identification identifiers
  • the MAC layer distinguishes priority.
  • the nth configuration resource is set to be sent with the highest priority
  • the MAC layer When the MAC layer cannot distinguish the priority of N configuration resources, the MAC layer generates N corresponding PDUs for the N configuration resources, and the physical layer distinguishes them according to the configuration period of the N configuration resources. The shorter period has a higher priority;
  • the period and the transmission duration are the same, it is distinguished according to the data start time of the N configuration resources, and the start time of the configuration resource has a higher priority;
  • the period, transmission duration, start time, and MCS level are the same, they are distinguished according to the configuration identification identifiers of the N configuration resources. For example, a smaller configuration identification identifier has a higher priority.
  • Figure 1 is a schematic diagram of MAC layer prioritization
  • Figure 2 is a schematic diagram of the MAC layer cannot distinguish priority
  • Fig. 3 is a schematic diagram of the physical layer selecting a scheduling resource with a short period to send uplink data
  • Figure 4 shows that the physical layer selects a scheduling resource with a short sending duration to send uplink data
  • Figure 5 shows that the physical layer selects the scheduling resource with an early start symbol to send uplink data
  • Figure 6 shows that the physical layer selects scheduling resources with a low MCS level to send uplink data
  • Figure 7 shows that the physical layer selects and configures an ID with a small priority value to send uplink data.
  • the main idea of the present invention is to configure authorized scheduling ID information and priority information when configuring N authorized scheduling at a higher level.
  • the terminal receives N authorized scheduling configuration parameters, how to choose a high priority if there are sometimes domain resource conflicts
  • the authorized scheduling resource for uplink data transmission solves the problem of multiple configuration scheduling resource conflicts.
  • the embodiment of the application provides a multi-configuration resource scheduling method, which is used for service scheduling when N unauthorized resources are configured.
  • the configuration information includes a configuration identification identifier, which indicates the transmission priority of the N configurations; the scheduling can be configured for the N configurations by a higher layer
  • the resource (referred to as "configuration resource" in this application) configuration ID information corresponds to the corresponding priority. The smaller the ID value, the higher the priority. For example, in the high-level configuration ConfiguredGrantConfig to increase the ID parameter, the defined value is INTEGER (1..N), the smaller the ID value, the higher the priority.
  • Figure 1 is a schematic diagram of MAC layer prioritization.
  • Embodiment 1 the MAC layer distinguishes priority.
  • the base station is configured with a maximum of 8 authorized scheduling, and 8 sets of high-level parameters are configured for authorized scheduling.
  • the terminal device sends uplink data on the resources corresponding to the two sets of parameters. When the two sets of resources conflict in time, the terminal device The MAC layer priority is used to determine the specific resource to send uplink data.
  • the LCP of the MAC layer distinguishes priority.
  • the terminal device maps different services to different logical channels, and configures different priorities of the logical channels to distinguish.
  • LCP1 is mapped to URLLC data transmitted based on mini-slot scheduling
  • LCP2 is used to map to eMBB data scheduled with time slot, so that priorities can be distinguished.
  • the two shaded parts in the time slot in Figure 1 represent two types of scheduled resources.
  • configuration resource For clarity of description, this application uses the abbreviation "configuration resource” to indicate configured scheduling resources, that is, resources that can be used to schedule uplink data after configuration.
  • Figure 2 is a schematic diagram of the MAC layer being unable to distinguish priorities.
  • the terminal device using the physical layer distinction method, when at least two configuration resources among the N configuration resources conflict: first use the periods of the at least two configuration resources to determine the priority, and the at least two configuration resource periods Similarly, at least one parameter (or a combination of parameters) among the transmission duration, start time, and MCS level of the at least two configuration resources is used to determine the priority; when the at least one parameter (or parameter When the combination) has the same value, the order in which the at least two configuration resources send services is determined according to the priority indicated by the configuration identification identifier.
  • Fig. 3 is a schematic diagram of the physical layer selecting a scheduling resource with a short period to send uplink data.
  • Embodiment 2 When the MAC layer cannot distinguish the priority, the N scheduling resources are respectively generated N corresponding PDUs, and the physical layer distinguishes according to the configuration period of the N configuration resources, and the shorter period has a higher priority.
  • the specific value of N is configured by the base station, and may be 8, 2, or 16, for example.
  • the terminal device sends uplink data on the resources corresponding to the two sets of parameters.
  • the terminal device judges the priority according to the configured period, and selects the resource with the higher priority to send uplink data.
  • the resource period of the first configuration scheduling is short. When the resources of the two configuration scheduling conflicts, the resources scheduled by the first configuration are sent first, because the period is shorter than the resources scheduled by the second configuration.
  • Figure 4 shows that the physical layer selects the configuration resource with a short sending duration to send uplink data.
  • Embodiment 3 When at least two of the N configuration resources have the same period, the order of sending services of the at least two configuration resources determines the priority according to the transmission duration, and the priority of the short data transmission duration is higher.
  • Figure 4 shows that under the same period, the physical layer selects the configured resource with a short transmission duration to transmit uplink data.
  • the base station is configured with up to 8 authorized schedules, and 8 sets of high-level parameters are configured for authorized scheduling.
  • the terminal device sends uplink data on the resources corresponding to the two sets of parameters.
  • the terminal device judges the priority according to the configured uplink transmission duration, and selects the resource with the higher priority to send uplink data.
  • the resource duration of the second configuration scheduling is short.
  • the at least one parameter refers to the transmission duration.
  • the at least one parameter may also be the data start time and MCS level.
  • Figure 5 shows that the physical layer selects the configuration resource with an early start symbol to send uplink data.
  • Embodiment 4 When at least 2 of the N configuration resources have the same period and transmission duration, the order of sending services of the at least 2 configuration resources determines the priority according to the data start time, and the one with the earlier start time High priority.
  • Fig. 5 shows that when the period and the transmission duration are the same, the physical layer selects the configuration resource with the start symbol in front to transmit the uplink data.
  • the base station is configured with up to 8 authorized schedules, and 8 sets of high-level parameters are configured for authorized scheduling.
  • the terminal device sends uplink data on the resources corresponding to the two sets of parameters.
  • the MAC layer When the two sets of resources conflict in time, the MAC layer When the priority of the two sets of resources cannot be distinguished, and the period of configuring the two sets of resources is the same, the duration of the uplink transmission for configuring the two sets of resources is also the same.
  • the terminal device determines the priority according to the configured start symbol of the uplink transmission, and selects The resources with the first start symbol send uplink data. As shown in the figure, the resource scheduled by the first configuration sends the start symbol earlier. When the resources scheduled by the two configurations conflict, the resource scheduled by the first configuration is sent first, because the start symbol time is relative to the second configuration. The scheduled resources are high.
  • the combination of the at least one parameter refers to a combination of two parameters: transmission duration and data start time.
  • the priority is first determined by the transmission duration, and then the priority is determined by the data start time.
  • Figure 6 shows that the physical layer selects a configuration resource with a low MCS level to send uplink data.
  • Embodiment 5 When at least 2 of the N configuration resources have the same period, transmission duration, and start time, the order of sending services of the at least 2 configuration resources determines the priority according to the MCS level, and the MCS level is low The priority is high.
  • Fig. 6 shows that when the period and the transmission duration are the same, the physical layer selects a configuration resource with a low MCS level to transmit uplink data.
  • the base station is configured with up to 8 authorized schedules, and 8 sets of high-level parameters are configured for authorized scheduling.
  • the terminal device sends uplink data on the resources corresponding to the two sets of parameters.
  • the MAC layer When the two sets of resources conflict in time, the MAC layer When the priority of the two sets of resources cannot be distinguished, and the period of configuring the two sets of resources is the same, the duration of uplink transmission for configuring the two sets of resources is also the same, and the start symbol time is also the same.
  • the combination of the at least one parameter refers to a combination of three parameters: transmission duration, data start time, and MCS level.
  • the priority can be determined by the transmission duration first, then by the data start time, and finally by the MCS level.
  • Figure 7 shows that the physical layer selects and configures an ID with a small priority value to send uplink data.
  • Embodiment 6 When at least two of the N configuration resources have the same period, transmission duration, start time, and MCS level, the order of sending services of the at least two configuration resources determines the priority according to the configuration identifier .
  • Figure 7 When the cycle, transmission duration, start symbol and MCS level are the same, the physical layer selects and configures an ID with a small priority value to send uplink data.
  • the base station is configured with up to 8 authorized schedules, and 8 sets of high-level parameters are configured for authorized scheduling.
  • the terminal device sends uplink data on the resources corresponding to the two sets of parameters.
  • the MAC layer When the two sets of resources conflict in time, the MAC layer When the priority of the two groups of resources cannot be distinguished, and the period of configuring the two groups of resources is the same, the duration of the uplink transmission for configuring the two groups of resources is also the same, the start symbol time is also the same, the configured MCS level is the same, and the terminal equipment is configured To determine the priority, select a resource with a small priority ID to send uplink data. As shown in the figure, the priority ID of the first configuration scheduling resource is small, indicating that the priority is high. When the resources of the two configuration scheduling conflicts, the first configuration scheduling resource is sent first, because the priority ID is compared with the first configuration scheduling resource. 2. The resource value for configuration scheduling is small.
  • the combination of the at least one parameter refers to a combination of three parameters: transmission duration, data start time, and MCS level.
  • the priority can be determined by the transmission duration first, then by the data start time, and finally by the MCS level.
  • the order of sending services of the at least two configuration resources determines the priority according to the configuration identification identifier.
  • the upper layer configures N independent resources, and the content of the configuration includes N configuration identification (ID), which indicates the transmission priority of the N configuration.
  • ID N configuration identification
  • the priority selection of the at least two configuration resources is performed in the following order:
  • the MAC layer distinguishes priority.
  • the nth configuration scheduling resource is set to be sent with the highest priority
  • the MAC layer When the MAC layer cannot distinguish the priority of the at least two configuration resources, the MAC layer generates at least two corresponding PDUs for the at least two configuration resources respectively, and the physical layer distinguishes according to the configuration period of the at least two configuration resources , The priority of short cycle is high;
  • the periods are the same, they are distinguished according to the data transmission duration of the at least two configuration resources, and the priority of the short data transmission duration of the configuration resource is higher;
  • the period and the transmission duration are the same, they are distinguished according to the data start time of the at least two configuration resources, and the start time of the configuration resource has a higher priority;
  • the period, the transmission duration, and the start time are the same, they are distinguished according to the data MCS levels of the two configured resources, and the lower MCS level of the configured resources has a higher priority;
  • the transmission duration, the start time, and the MCS level are the same, they are distinguished according to the configuration identification identifiers of the at least two configuration resources. For example, a smaller configuration identification identifier has a higher priority.
  • the upper layer configures N independent resources.
  • the content of the configuration includes N configuration identification (ID), which indicates the transmission priority of the N configurations.
  • ID N configuration identification
  • the N configuration resources Priority selection is carried out in the following order:
  • the MAC layer distinguishes priority.
  • the nth configuration resource is set to be sent with the highest priority
  • the MAC layer When the MAC layer cannot distinguish the priority of N configuration resources, the MAC layer generates N corresponding PDUs from the N configuration resources, and the physical layer distinguishes them according to the configuration period of the N configuration resources. The shorter period has a higher priority;
  • the period and the transmission duration are the same, it is distinguished according to the data start time of the N configuration resources, and the start time of the configuration resource has a higher priority;
  • the period, transmission duration, start time, and MCS level are the same, they are distinguished according to the configuration identification identifiers of the N configuration resources. For example, a smaller configuration identification identifier has a higher priority.
  • the present invention can be implemented by means of software plus the necessary general hardware platform, and of course it can also be implemented by hardware, but in many cases the former is a better implementation. the way.
  • the technical solution of the present invention essentially or the part that contributes to the prior art can be embodied in the form of a software product.
  • the computer software product is stored in a storage medium and includes several instructions to make a A terminal device (which may be a mobile phone, a personal computer, a server, or a network device, etc.) executes the method described in each embodiment of the present invention.

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

Abstract

La présente invention concerne un procédé de planification pour des ressources multi-configuration utilisé pour la planification commerciale lorsque N ressources non autorisées sont configurées, et caractérisé en ce qu'il comprend les étapes suivantes : les informations de configuration comprenant des identifiants de configuration qui indiquent la priorité de transmission de N configurations ; lorsqu'au moins deux des N ressources de configuration sont en conflit, la configuration de la priorité des identifiants en fonction d'au moins un des paramètres tels que la période, la durée de transmission, le temps de démarrage et le niveau MCS. La présente invention peut résoudre le problème de ressources conflictuelles planifiées par de multiples configurations.
PCT/CN2020/073698 2019-07-30 2020-01-22 Procédé de planification pour ressources multi-configuration WO2021017453A1 (fr)

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CN201910696594.7A CN112312573B (zh) 2019-07-30 2019-07-30 一种多配置资源调度方法

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