WO2022062856A1 - Procédé et appareil de gestion de ressources - Google Patents

Procédé et appareil de gestion de ressources Download PDF

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Publication number
WO2022062856A1
WO2022062856A1 PCT/CN2021/115599 CN2021115599W WO2022062856A1 WO 2022062856 A1 WO2022062856 A1 WO 2022062856A1 CN 2021115599 W CN2021115599 W CN 2021115599W WO 2022062856 A1 WO2022062856 A1 WO 2022062856A1
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WIPO (PCT)
Prior art keywords
management node
communication
message
domain
information
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PCT/CN2021/115599
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English (en)
Chinese (zh)
Inventor
范慧芳
顾祥新
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北京紫光展锐通信技术有限公司
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Publication of WO2022062856A1 publication Critical patent/WO2022062856A1/fr

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/0001—Arrangements for dividing the transmission path
    • H04L5/0003—Two-dimensional division
    • H04L5/0005—Time-frequency
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/003—Arrangements for allocating sub-channels of the transmission path
    • H04L5/0058—Allocation criteria
    • H04L5/0064—Rate requirement of the data, e.g. scalable bandwidth, data priority
    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W76/00—Connection management
    • H04W76/30—Connection release
    • H04W76/34—Selective release of ongoing connections
    • H04W76/36—Selective release of ongoing connections for reassigning the resources associated with the released connections

Definitions

  • the present application relates to the field of communication technologies, and in particular, to a resource management method and device.
  • vehicle short-range communication usually includes two types of communication domains, one is a high-level communication domain, and the other is a low-level communication domain.
  • the management node (Grant Node, G node) in the high-level communication domain is responsible for allocating the low-level communication domain. time-frequency resources.
  • the G node of the low-level communication domain also known as the general communication domain
  • the G node of the low-level communication domain can obtain the communication domain system message sent by the high-level communication domain G node to obtain the high-priority domain G node as the low-level communication domain
  • the configured transmission resources are convenient for the G node of the low-level communication domain to schedule the configured transmission resources to communicate with the terminal nodes (Terminal Node, T node) in its communication domain.
  • Embodiments of the present application provide a resource management method and apparatus, which are used to improve the utilization rate of communication resources.
  • an embodiment of the present application provides a resource management method, which is applied to a first management node, and the method includes:
  • a first message is sent, where the first message is used to request the second management node in the high-level communication domain to allocate communication resources, so The first management node is located in the low-level communication domain, and the first communication resources are all communication resources in the current low-level communication domain;
  • the occupancy rate of the second communication resource in the low-level communication domain is less than the second value
  • send a second message where the second message is used to request the second management node to release the allocation for the first management node
  • the second communication resource is all communication resources in the current low-level communication domain.
  • an embodiment of the present application provides a resource management apparatus, which is applied to a first management node, and the apparatus includes:
  • a communication unit configured to send a first message when the occupancy rate of the first communication resource in the low-level communication domain is greater than or equal to a first value, where the first message is used to request the second management node in the high-level communication domain Allocating communication resources, the first management node is located in the low-level communication domain, and the first communication resources are all current communication resources in the low-level communication domain;
  • the communication unit is further configured to send a second message when the occupancy rate of the second communication resource in the low-level communication domain is less than a second value, where the second message is used to request the second management node to release
  • the communication resources allocated to the first management node, and the second communication resources are all communication resources currently in the lower-level communication domain.
  • embodiments of the present application provide a management node, including a processor, a memory, a communication interface, and one or more programs, wherein the one or more programs are stored in the memory and configured to be processed by the above-mentioned processing
  • the above program includes instructions for executing the steps in the method described in the first aspect of the embodiments of the present application.
  • an embodiment of the present application provides a computer-readable storage medium, wherein the computer-readable storage medium stores a computer program for electronic data exchange, wherein the computer program causes a computer to execute the computer program as described in the first embodiment of the present application.
  • an embodiment of the present application provides a computer program product, wherein the computer program product includes a non-transitory computer-readable storage medium storing a computer program, and the computer program is operable to cause a computer to execute as implemented in the present application.
  • the computer program product may be a software installation package.
  • FIG. 1 is a schematic diagram of a framework of a vehicle-mounted short-range communication system provided by an embodiment of the present application
  • FIG. 2 is a schematic flowchart of a resource management method provided by an embodiment of the present application.
  • FIG. 3 is a schematic structural diagram of an electronic device provided by an embodiment of the present application.
  • FIG. 4 is a schematic structural diagram of a resource management apparatus provided by an embodiment of the present application.
  • FIG. 1 is a schematic diagram of the framework of an in-vehicle short-range communication system provided by an embodiment of the present application.
  • FIG. 1 includes a high-level communication domain and a low-level communication domain. Management node and multiple endpoints. It should be understood that the form and quantity of the high-level communication domain, the low-level communication domain, the management node, and the terminal shown in FIG. 1 are only for example, and do not constitute a limitation to the embodiments of the present application.
  • the G node of the high level communication domain (High Level Communication Domain) sends the communication resources used by the general communication domain.
  • the normal communication domain that is, the G node in the low-level communication domain receives the communication resources sent by the G node in the high-level communication domain, and generates the general communication domain according to the received communication resources.
  • the vehicle short-range communication system is currently a technology designed for in-vehicle scenarios, and can be extended to scenarios such as smart home and smart manufacturing in the future.
  • the vehicle short-range communication system can be applied to different network architectures, including but not limited to relay network architecture, dual-link architecture, Vehicle-to-Everything (vehicle-to-anything communication) architecture and other architectures.
  • the vehicle-mounted short-range communication system in the embodiment of the present application can be applied to a global system for mobile communication (CSM), a code division multiple access (CDMA) system, a wideband code division multiple access (wideband code division multiple access) system division multiple access (WCDMA) systems, worldwide interoperability for microwave access (WiMAX) systems, long term evolution (LTE) systems, 5G communication systems (such as new radio (NR)), A communication system in which multiple communication technologies are merged (for example, a communication system in which LTE technology and NR technology are merged), or a subsequent evolution communication system.
  • CSM global system for mobile communication
  • CDMA code division multiple access
  • WCDMA wideband code division multiple access
  • WiMAX worldwide interoperability for microwave access
  • LTE long term evolution
  • NR new radio
  • a communication system in which multiple communication technologies are merged for example, a communication system in which LTE technology and NR technology are merged
  • a subsequent evolution communication system for example, a communication system in which LTE technology
  • the terminal node in this embodiment of the application is a device with wireless communication function, which can be deployed on land, including indoor or outdoor, handheld, wearable, or vehicle-mounted; it can also be deployed on water (such as ships, etc.); or Deployed in the air (eg aircraft, balloons, satellites, etc.).
  • the terminal node may be a mobile phone (mobile phone), a tablet computer (pad), a computer with a wireless transceiver function, a virtual reality (VR) terminal device, an augmented reality (AR) terminal device, an industrial control (industrial) terminal wireless terminal in control), wireless terminal in self-driving, wireless terminal in remote medical, wireless terminal in smart grid, wireless terminal in smart home terminal etc.
  • the terminal device may also be a handheld device with wireless communication function, a vehicle-mounted device, a wearable device, a computer device, or other processing device connected to a wireless modem.
  • the management node in this embodiment of the present application is a device deployed in a wireless access network to provide a wireless communication function.
  • the equipment that provides the base station function in the 2G network includes the base transceiver station (English: base transceiver station, referred to as BTS), and the equipment that provides the base station function in the 3G network includes the Node B (NodeB), which provides the base station function in the 4G network.
  • BTS base transceiver station
  • NodeB Node B
  • the equipment includes evolved Node B (evolved NodeB, eNB), in wireless local area networks (wireless local area networks, referred to as WLAN), the device that provides the base station function is the access point (access point, referred to as AP), in 5G new wireless (New Radio, NR for short) is a device gNB that provides base station functions, and a node B (ng-eNB) that continues to evolve, in which the gNB and the terminal use NR technology for communication, and the ng-eNB and the terminal use E- UTRA (Evolved Universal Terrestrial Radio Access) technology for communication, both gNB and ng-eNB can be connected to the 5G core network.
  • the base station in the embodiment of the present application also includes a device that provides a base station function in a new communication system in the future, and the like.
  • FIG. 2 is a schematic flowchart of a resource management method provided by an embodiment of the present application, applied to a first management node, including the following steps:
  • Step 201 when the occupancy rate of the first communication resource in the low-level communication domain is greater than or equal to the first value, send a first message, where the first message is used to request the second management node in the high-level communication domain to allocate communication resources,
  • the first management node is located in the low-level communication domain, and the first communication resources are all current communication resources in the low-level communication domain.
  • the low-level communication domain and the high-level communication domain belong to the same vehicle short-range communication system.
  • the vehicle short-range communication system includes at least one high-level communication domain and at least one low-level communication domain.
  • the low-level communication domain determines the corresponding high-level communication domain through the ID in the system message of the high-level communication domain.
  • the communication resources in the low-level communication domain are allocated by the network devices in the high-priority, and after receiving the allocated communication resources, the network devices in the low-priority allocate the communication resources to the terminal devices in the same communication domain.
  • the communication resources are time-frequency resources.
  • the first value may be expressed in the form of a percentage or a decimal, for example, it may be 80% or 0.8, or may be other values.
  • Step 202 in the case that the occupancy rate of the second communication resource in the low-level communication domain is less than a second value, send a second message, the second message is used to request the second management node to release as the first
  • the communication resources allocated by the management node, and the second communication resources are all communication resources in the current lower-level communication domain.
  • the second value may be smaller than the first value.
  • the communication resources released by the second management node are part of the communication resources in the second communication resources.
  • the number of communication resources released by the second management node may be determined by the second value, and the smaller the second value, the more communication resources are released.
  • the communication resources released by the second management node may be determined by the second management node based on the priority of the communication resources, or determined by the second management node based on the received signal strength of the communication resources, or may be determined by the second management node based on the received signal strength of the communication resources.
  • the signal-to-interference-noise ratio can also be determined by the second management node itself.
  • the communication resources allocated by the second management node to the first management node include A, B, C, and D, and the second management node needs to release 2 communication resources, where the priority of A is 3, and the priority of B is 2.
  • the priority of C is 1 and the priority of D is 1.
  • the larger the value the smaller the priority, so A and B are released.
  • the second numerical value can be expressed in the form of a percentage or a decimal, which can be 50% or other numerical values.
  • the first management node when the occupancy rate of the first communication resource in the low-level communication domain is greater than or equal to the first value, the first management node sends the first message, and the first message is used to request the high-level communication
  • the second management node in the domain allocates communication resources, the first management node is located in the low-level communication domain, and the first communication resource is all the communication resources currently in the low-level communication domain, or the occupancy rate of the second communication resources in the low-level communication domain
  • a second message is sent, and the second message is used to request the second management node to release the communication resources allocated for the first management node, and the second communication resources are all communication resources in the current low-level communication domain.
  • the first management node requests or releases communication resources from the second management node in the high-level communication domain according to the usage of the communication resources in the low-level communication domain, the communication resources are ensured to be effectively utilized, which is beneficial to improve the utilization rate of the communication resources.
  • the high-level communication domain is the communication domain where the electronic device to which the communication resource is allocated is located
  • the low-level communication domain is the communication domain where the electronic device to which the communication resource is allocated is located.
  • the division of communication resources is realized by dividing the communication domain, which is beneficial to improve the resource utilization efficiency.
  • the first value and the second value are broadcast by the second management node to the first management node through a system message
  • the second management node is indicated by the first signaling.
  • the first message is carried by the first management node and sent to the second management node. 2.
  • the XRC signaling of the management node On the XRC signaling of the management node;
  • the first message includes the first information or the first message sent by the first management node to the second management node
  • the first information is used by the first management node to access the second management node through a contention random access procedure
  • the second information is used by the first management node through a non-contention random access process.
  • the ingress process accesses the second management node.
  • the first signaling may be XRC signaling, or may be other signaling with functions similar to XRC signaling.
  • the first connection may be an XRC connection, or may be a connection with other functions similar to radio resource control (Radio Resource Control, RRC) in 5G New Radio (New Radio, NR).
  • RRC Radio Resource Control
  • 5G New Radio New Radio, NR
  • the first signaling is used for the first management node to access the second management node through the first connection.
  • the function of XRC is similar to RRC in NR, so the target node for establishing an XRC connection can be in a connected state or a disconnected state.
  • the target node may enter the connected state by establishing an XRC connection, and enter the disconnected state by releasing the XRC connection.
  • the target node when the target node is in a disconnected state, the target node can obtain broadcast information and system messages of the communication domain.
  • the target node when the target node is in a connected state, the target node may have at least one of the following functions: acquiring broadcast information and system messages in the communication domain, monitoring the physical C-link control information channel, performing discontinuous reception, and performing unicast communication As well as providing channel measurements.
  • the target node may be a G node or a T node.
  • the G node in the low-level communication domain can establish an XRC connection with the G node in the high-level communication domain
  • the G node in the same communication domain can establish an XRC connection with the T node. Therefore, the vehicle short-range communication system includes at least one of the following XRC connections: different XRC connection between G nodes in the communication domain, XRC connection between G nodes and T nodes in the same communication domain.
  • the first information may be MSG3, and the second information may be MSGB.
  • MSG3 is sent during the contention random access process, and if the first management node accesses the second management node through the non-contention random access process The node sends MSGB in the process of non-contention random access.
  • the second message is carried by the first management node and sent to the second management node. 2. On the first signaling of the management node;
  • the second message includes the third information or the first message sent by the first management node to the second management node Among the four pieces of information, the third information is used by the first management node to access the second management node through a random access procedure, and the fourth information is used by the first management node through non-contention random access The procedure accesses the second management node.
  • MSG3 is sent during the contention random access process, and if the first management node accesses the second management node through the non-contention random access process The node sends MSGB in the process of non-contention random access.
  • the first management node sends a message in a different manner, which is beneficial to improve the performance of the network device.
  • the occupancy rate is determined based on all communication resources currently in the lower-level communication domain and currently occupied communication resources in the lower-level communication domain.
  • the occupancy rate is the quotient of the occupied communication resources in the current low-level communication domain and all the communication resources in the current low-level communication domain.
  • the occupancy rate is 50%.
  • the occupancy rate is determined by using all current communication resources and occupied communication resources, which is beneficial to improve the accuracy of the occupancy rate.
  • FIG. 3 is a network device provided by an embodiment of the present application, including: one or more processors, one or more memories, one or more communication interfaces, and one or more programs;
  • the one or more programs are stored in the memory and configured to be executed by the one or more processors;
  • the program includes instructions for performing the following steps:
  • a first message is sent, where the first message is used to request the second management node in the high-level communication domain to allocate communication resources, the first message A management node is located in the low-level communication domain, and the first communication resource is all communication resources in the current low-level communication domain;
  • the occupancy rate of the second communication resource in the low-level communication domain is less than the second value
  • send a second message where the second message is used to request the second management node to release the allocation for the first management node
  • the second communication resource is all communication resources in the current low-level communication domain.
  • the high-level communication domain is the communication domain where the electronic device to which the communication resource is allocated is located
  • the low-level communication domain is the communication domain where the electronic device to which the communication resource is allocated is located.
  • the first value and the second value are broadcast by the second management node to the first management node through a system message
  • the second management node is indicated by the first signaling.
  • the first message is carried by the first management node and sent to the second management node. 2.
  • the XRC signaling of the management node On the XRC signaling of the management node;
  • the first message includes the first information or the first message sent by the first management node to the second management node
  • the first information is used by the first management node to access the second management node through a contention random access procedure
  • the second information is used by the first management node through a non-contention random access process.
  • the ingress process accesses the second management node.
  • the second message is carried by the first management node and sent to the second management node. 2. On the first signaling of the management node;
  • the second message includes the third information or the first message sent by the first management node to the second management node Among the four pieces of information, the third information is used by the first management node to access the second management node through a random access procedure, and the fourth information is used by the first management node through non-contention random access The procedure accesses the second management node.
  • the occupancy rate is determined based on all communication resources currently in the lower-level communication domain and currently occupied communication resources in the lower-level communication domain.
  • FIG. 4 is a resource management apparatus provided by an embodiment of the present application, applied to a first management node, and the apparatus includes:
  • a communication unit configured to send a first message when the occupancy rate of the first communication resource in the low-level communication domain is greater than or equal to a first value, where the first message is used to request the second management node in the high-level communication domain Allocating communication resources, the first management node is located in the low-level communication domain, and the first communication resources are all current communication resources in the low-level communication domain;
  • the communication unit is further configured to send a second message when the occupancy rate of the second communication resource in the low-level communication domain is less than a second value, where the second message is used to request the second management node to release
  • the communication resources allocated to the first management node, and the second communication resources are all communication resources currently in the lower-level communication domain.
  • the high-level communication domain is the communication domain where the electronic device to which the communication resource is allocated is located
  • the low-level communication domain is the communication domain where the electronic device to which the communication resource is allocated is located.
  • the first value and the second value are broadcast by the second management node to the first management node through a system message
  • the second management node is indicated by the first signaling.
  • the first message is carried by the first management node and sent to the second management node. 2. On the first signaling of the management node;
  • the first message includes the first information or the first message sent by the first management node to the second management node
  • the first information is used by the first management node to access the second management node through a contention random access procedure
  • the second information is used by the first management node through a non-contention random access process.
  • the ingress process accesses the second management node.
  • the second message is carried by the first management node and sent to the second management node. 2. On the first signaling of the management node;
  • the second message includes the third information or the first message sent by the first management node to the second management node Among the four pieces of information, the third information is used by the first management node to access the second management node through a random access procedure, and the fourth information is used by the first management node through non-contention random access The procedure accesses the second management node.
  • the resource management apparatus further includes a processing unit, and the processing unit is configured to determine based on all communication resources in the current lower-level communication domain and the currently occupied communication resources in the lower-level communication domain Occupancy rate.
  • the communication unit 401 may be implemented by a communication interface
  • the processing unit 402 may be implemented by a processor.
  • Embodiments of the present application further provide a computer storage medium, wherein the computer storage medium stores a computer program for electronic data exchange, and the computer program causes the computer to execute part or all of the steps of any method described in the above method embodiments , the above computer includes user equipment.
  • Embodiments of the present application further provide a computer program product, where the computer program product includes a non-transitory computer-readable storage medium storing a computer program, and the computer program is operable to cause a computer to execute any one of the method embodiments described above. some or all of the steps of the method.
  • the computer program product may be a software installation package, and the computer includes user equipment.
  • the disclosed apparatus may be implemented in other manners.
  • the device embodiments described above are only illustrative.
  • the division of the above-mentioned units is only a logical function division.
  • multiple units or components may be combined or integrated. to another system, or some features can be ignored, or not implemented.
  • the shown or discussed mutual coupling or direct coupling or communication connection may be through some interfaces, indirect coupling or communication connection of devices or units, and may be in electrical or other forms.
  • the units described above as separate components may or may not be physically separated, and components shown as units may or may not be physical units, that is, may be located in one place, or may be distributed to multiple network units. Some or all of the units may be selected according to actual needs to achieve the purpose of the solution in this embodiment.
  • each functional unit in each embodiment of the present application may be integrated into one processing unit, or each unit may exist physically alone, or two or more units may be integrated into one unit.
  • the above-mentioned integrated units may be implemented in the form of hardware, or may be implemented in the form of software functional units.
  • the above-mentioned integrated units if implemented in the form of software functional units and sold or used as independent products, may be stored in a computer-readable memory.
  • the technical solution of the present application can be embodied in the form of a software product in essence, or the part that contributes to the prior art, or all or part of the technical solution, and the computer software product is stored in a memory.
  • a computer device which may be a personal computer, a server, or a network device, etc.
  • the aforementioned memory includes: U disk, read-only memory (ROM, Read-Only Memory), random access memory (RAM, Random Access Memory), mobile hard disk, magnetic disk or optical disk and other media that can store program codes.

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

Abstract

La présente invention concerne un procédé et un appareil de gestion de ressources. Le procédé comprend: lorsque le taux d'occupation d'une première ressource de communication dans un domaine de communication à faible niveau est supérieur ou égal à une première valeur numérique, l'envoi d'un premier message, le premier message étant utilisé pour demander à un second nœud d'octroi dans un domaine de communication de haut niveau d'attribuer une ressource de communication; et lorsque le taux d'occupation d'une seconde ressource de communication dans le domaine de communication à faible niveau est inférieur à une seconde valeur numérique, l'envoi d'un second message, le second message étant utilisé pour demander au second nœud d'autorisation de libérer la ressource de communication attribuée à un premier nœud d'octroi. Au moyen des modes de réalisation de la présente demande, le taux d'utilisation d'une ressource de communication peut être amélioré.
PCT/CN2021/115599 2020-09-23 2021-08-31 Procédé et appareil de gestion de ressources WO2022062856A1 (fr)

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WO2019186235A1 (fr) * 2018-03-28 2019-10-03 Nokia Technologies Oy Politique d'ordonnancement optimisée d'urllc de connectivité multi-nœuds avec duplication de données

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Publication number Priority date Publication date Assignee Title
CN105101430A (zh) * 2014-05-08 2015-11-25 中兴通讯股份有限公司 D2d资源的配置、分配方法及装置
CN104461740A (zh) * 2014-12-12 2015-03-25 国家电网公司 一种跨域集群计算资源聚合和分配的方法
CN106817701A (zh) * 2015-11-30 2017-06-09 中兴通讯股份有限公司 资源分配方法及装置
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