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WO2017091980A1 - 无线资源调度的方法、装置和系统 - Google Patents

无线资源调度的方法、装置和系统 Download PDF

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Publication number
WO2017091980A1
WO2017091980A1 PCT/CN2015/096139 CN2015096139W WO2017091980A1 WO 2017091980 A1 WO2017091980 A1 WO 2017091980A1 CN 2015096139 W CN2015096139 W CN 2015096139W WO 2017091980 A1 WO2017091980 A1 WO 2017091980A1
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Prior art keywords
type
resource
terminal device
information
terminal
Prior art date
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PCT/CN2015/096139
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English (en)
French (fr)
Inventor
曾元清
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Guangdong Oppo Mobile Telecommunications Corp Ltd
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Guangdong Oppo Mobile Telecommunications Corp Ltd
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First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=58796140&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=WO2017091980(A1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Guangdong Oppo Mobile Telecommunications Corp Ltd filed Critical Guangdong Oppo Mobile Telecommunications Corp Ltd
Priority to CN201580081098.0A priority Critical patent/CN107710845B/zh
Priority to EP15909497.8A priority patent/EP3301985B1/en
Priority to PCT/CN2015/096139 priority patent/WO2017091980A1/zh
Priority to JP2018502389A priority patent/JP6786586B2/ja
Priority to US15/739,885 priority patent/US10624115B2/en
Priority to KR1020187001797A priority patent/KR20180088364A/ko
Publication of WO2017091980A1 publication Critical patent/WO2017091980A1/zh
Anticipated expiration legal-status Critical
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    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W72/00Local resource management
    • H04W72/20Control channels or signalling for resource management
    • H04W72/25Control channels or signalling for resource management between terminals via a wireless link, e.g. sidelink
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W4/00Services specially adapted for wireless communication networks; Facilities therefor
    • H04W4/30Services specially adapted for particular environments, situations or purposes
    • H04W4/40Services specially adapted for particular environments, situations or purposes for vehicles, e.g. vehicle-to-pedestrians [V2P]
    • H04W4/46Services specially adapted for particular environments, situations or purposes for vehicles, e.g. vehicle-to-pedestrians [V2P] for vehicle-to-vehicle communication [V2V]
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W72/00Local resource management
    • H04W72/02Selection of wireless resources by user or terminal
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W72/00Local resource management
    • H04W72/04Wireless resource allocation
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W72/00Local resource management
    • H04W72/20Control channels or signalling for resource management
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W72/00Local resource management
    • H04W72/20Control channels or signalling for resource management
    • H04W72/23Control channels or signalling for resource management in the downlink direction of a wireless link, i.e. towards a terminal
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W76/00Connection management
    • H04W76/10Connection setup
    • H04W76/14Direct-mode setup
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W92/00Interfaces specially adapted for wireless communication networks
    • H04W92/04Interfaces between hierarchically different network devices
    • H04W92/10Interfaces between hierarchically different network devices between terminal device and access point, i.e. wireless air interface
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W92/00Interfaces specially adapted for wireless communication networks
    • H04W92/16Interfaces between hierarchically similar devices
    • H04W92/18Interfaces between hierarchically similar devices between terminal devices
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W88/00Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
    • H04W88/02Terminal devices
    • H04W88/04Terminal devices adapted for relaying to or from another terminal or user

Definitions

  • Embodiments of the present invention relate to the field of mobile communications, and more particularly, to a method, apparatus, and system for wireless resource scheduling.
  • V2X Vehicle-to-Vehicle (V2V) communication, Vehicle to Infr-astructure (V2I)).
  • V2P Vehicle to Infr-astructure
  • V2V communication is the core of V2X communication technology.
  • V2V can share the sensor information (such as Sensor Sharing) between the vehicle and the vehicle through the wireless communication between the vehicle and the vehicle, and extend the range of the vehicle from tens of meters and line of sight to hundreds of meters. Non-line-of-sight range, which greatly improves the driving safety of vehicles and effectively achieves assisted driving and automatic driving.
  • the V2V communication system is a complex wireless communication system and faces many technical challenges.
  • One of the technical challenges is that it needs to support hundreds of vehicles simultaneously transmitting sensors to share information within hundreds of meters while maintaining very low latency and very High data transmission reliability, therefore, it is necessary to adopt a V2V resource scheduling technique that can effectively suppress inter-terminal interference.
  • the existing V2V technology IEEE 802.11p can only adopt the simple point-to-point (Ad-Hoc) networking and scheduling mode because there is no cooperation of the cellular network.
  • Ad-Hoc point-to-point
  • this scheduling mode is inefficient. As the number of terminals increases, the delay of V2V communication will gradually increase, and the transmission success rate will gradually decrease.
  • Centralized Scheduling greatly improves V2V transmission efficiency, reduces V2V transmission delay, and improves transmission success rate.
  • the LTE V2V system is composed of an LTE network and an On Board Unit (OBU).
  • Figure 1 shows a deployment scenario of the existing V2V system:
  • the base station In a scenario with LTE base station coverage (called an In Coverage scenario), the base station first The OBU terminal allocates a secondary link (Sidelink) resource required for V2V transmission, and then the terminal uses the resource allocated by the base station to transmit the Sidelink data and its transmission parameters;
  • Sidelink secondary link
  • the base station cannot allocate the Sidelink resource to the terminal in real time or dynamically, and the base station periodically broadcasts a semi-static resource pool (Resource Pool).
  • Resource Pool a semi-static resource pool
  • the Sidelink resource can be randomly selected to transmit V2V data and its transmission parameters in a pre-configured resource pool that is statically stored in the terminal.
  • the invention provides a method, a device and a system for wireless resource scheduling, which can improve the success rate of V2V communication, reduce the transmission delay, and expand the communication capacity of the V2V system.
  • the first aspect provides a method for scheduling a radio resource, including: determining, by a first type of terminal device, whether to send resource scheduling request information to a base station and/or a second type of terminal device, where the first type of terminal device Said base station communicates through a first type of interface, said first type ending The end device communicates with the second type of terminal device through a second type of interface, the second type of terminal device communicates with the base station through a first type of interface, and the second type of terminal device has a resource scheduling function; The first type terminal device determines link resources for communicating with other first type terminal devices according to the determined result.
  • a second aspect provides a method for scheduling a radio resource, comprising: receiving, by a terminal device of a second type, resource scheduling request information sent by a terminal device of a first type, wherein the terminal device of the second type passes the first type of interface and the base station Communicating, the first type of terminal device communicates with the base station through a first type of interface, the second type of terminal device communicates with the first type of terminal device through a second type of interface; the second type of terminal device And transmitting resource allocation information to the first type of terminal device, so that the first type of terminal device determines, according to the resource allocation information, a link resource that communicates with other first type of terminal devices.
  • a third aspect provides a method for scheduling a radio resource, where the base station sends cell-level resource pool information to a first type of terminal device and a second type of terminal device, where the base station passes the first type of interface and the first A type of terminal device communicates, the base station communicates with the second type of terminal device through a first type of interface, and the first type of terminal device communicates with the second type of terminal device through a second type of interface; Receiving, by the base station, a resource scheduling request sent by the first type of terminal device, where the base station sends resource allocation information to the first type of terminal device according to the resource scheduling request, so that the first type of terminal device is configured according to the The resource allocation information determines link resources for communicating with other first type of terminal devices.
  • a fourth aspect provides an apparatus, including: a resource configuration module, configured to determine whether to send resource scheduling request information to a base station and/or a second type of terminal device, where the device and the base station pass the first type interface Communicating, the device communicating with the second type of terminal device via a second type of interface, the second type of terminal device communicating with the base station via a first type of interface, the second type of terminal device having resources a scheduling function; the resource configuration module is further configured to determine, according to the determined result, a link resource used for communicating with another device.
  • an apparatus including: a receiving module, configured to receive resource scheduling request information sent by a first type of terminal device, where the device communicates with a base station by using a first type interface, the first type The terminal device communicates with the base station by using the first type of interface, the device communicates with the first type of terminal device by using the second type of interface, and the sending module is configured to send resource allocation information to the first type of terminal device, so that The link resources of the first type terminal device are determined to communicate with other first type terminal devices according to the resource allocation information.
  • an apparatus including: a sending module, configured to send cell level resource pool information to a first type of terminal device and a second type of terminal device, where the device passes the first type of interface and the Communicating with a type of terminal device, the device communicating with the second type of terminal device via a first type of interface, the first type of terminal device communicating with the second type of terminal device by using a second type of interface; receiving a module, configured to receive a resource scheduling request sent by the first type of terminal device, and a resource scheduling module, configured to determine resource allocation information according to the resource scheduling request, where the sending module is further configured to be used by the first type terminal The device sends the resource allocation information, so that the first type terminal device determines, according to the resource allocation information, link resources for communicating with other first type terminal devices.
  • a system for wireless resource scheduling comprising: the device of the fourth aspect, the device of the fifth aspect, and the device of the sixth aspect.
  • the first type terminal device may select to send a resource scheduling request to the base station or the second type terminal device having the resource scheduling function. Therefore, the base station and/or the second type terminal device can schedule the first type of terminal device, thereby avoiding inter-terminal interference, improving transmission success rate, reducing transmission delay, ensuring performance and reliability of the V2V system, and expanding Communication capacity of the V2V system.
  • FIG. 1 is a schematic diagram of a deployment scenario of an LTE V2V system in the prior art
  • FIG. 2 is a schematic diagram of a deployment scenario of an LTE V2V system according to an embodiment of the present invention
  • FIG. 3 is a schematic diagram of a system architecture in accordance with an embodiment of the present invention.
  • FIG. 4 is a schematic flowchart of a method for radio resource scheduling according to an embodiment of the present invention.
  • FIG. 5 is a schematic diagram of a scenario of resource allocation and resource pool division conflict according to an embodiment of the present invention.
  • FIG. 6 is a schematic flowchart of a method for radio resource scheduling according to an embodiment of the present invention.
  • FIG. 7 is a schematic flowchart of a method for a terminal device of a first type to perform a resource selection according to an embodiment of the present invention
  • FIG. 8 is a schematic flowchart of a method for radio resource scheduling according to another embodiment of the present invention.
  • FIG. 9 is a schematic diagram of a resource pool division method according to an embodiment of the present invention.
  • FIG. 10 is a schematic diagram of a resource pool division method according to another embodiment of the present invention.
  • FIG. 11 is a schematic flowchart of a method for radio resource scheduling according to another specific embodiment of the present invention.
  • FIG. 12 is a schematic flowchart of a method for radio resource scheduling according to still another embodiment of the present invention.
  • Figure 13 is a schematic block diagram of an apparatus in accordance with an embodiment of the present invention.
  • Figure 14 is another schematic block diagram of an apparatus in accordance with an embodiment of the present invention.
  • Figure 15 is still another schematic block diagram of an apparatus in accordance with an embodiment of the present invention.
  • Figure 16 is a schematic block diagram of an apparatus in accordance with another embodiment of the present invention.
  • FIG. 17 is a schematic block diagram of an apparatus in accordance with still another embodiment of the present invention.
  • Figure 18 is another schematic block diagram of an apparatus in accordance with still another embodiment of the present invention.
  • Figure 19 is a schematic block diagram of an apparatus in accordance with still another embodiment of the present invention.
  • Figure 20 is a schematic block diagram of an apparatus in accordance with still another embodiment of the present invention.
  • Figure 21 is a schematic block diagram of an apparatus in accordance with still another embodiment of the present invention.
  • FIG. 2 is a schematic diagram of a deployment scenario of an LTE V2V system according to an embodiment of the present invention.
  • an on-board unit (“On Board Unit” (abbreviated as "OBU") and a roadside unit (Road Side Unit, abbreviated as "RSU”) can communicate.
  • the RSU is an intelligent traffic light, a traffic sign, and the like having a V2X terminal function, and can provide intelligent traffic information for the OBU to improve the traffic efficiency of the vehicle in which the OBU is installed.
  • the RSU is always installed on the roadside, which can form a good coverage for the vehicle, make up for the coverage area of the mobile base station, and does not need to return the network. It does not depend on the telecom operator, and can be deployed at low cost by the traffic control department.
  • the RSU has the function of being able to send and receive V2X signals and the functions scheduled by the base station, and has the function of scheduling the OBU, and can replace the base station in the OBU terminal without the base station coverage (Out of Coverage) scenario.
  • Secondary link in a static/semi-static resource pool The (Sidelink) resource random selection mode is converted into the Sidelink resource scheduling mode, which is equivalent to converting the Out of Coverage scene of the base station into the coverage (In Coverage) scenario of the RSU.
  • FIG. 3 is a schematic diagram of a system architecture in accordance with an embodiment of the present invention.
  • the system can be composed of a base station and two types of terminals (or terminal devices) that communicate with each other through two air interfaces.
  • the first type of interface is an air interface (which may be abbreviated as AI1) between the base station and the terminal.
  • AI1 air interface
  • the first type of interface may be a Uu interface in the cellular mobile communication system.
  • the two interfaces are an air interface (referred to as AI2) between the terminal and the terminal.
  • AI2 air interface
  • the second interface may be a Sidelink air interface, for example, a V2V interface, a V2I interface, or the like.
  • the base station can communicate with the two terminals at least through the AI1, and can receive the Sidelink resource scheduling request of the terminal from the AI1, and send the corresponding resource allocation information to the terminal through the AI1, so that the terminal configures the transmitting AI2 data and the transmission according to the resource allocation information.
  • the resource of the parameter can communicate with the two terminals at least through the AI1, and can receive the Sidelink resource scheduling request of the terminal from the AI1, and send the corresponding resource allocation information to the terminal through the AI1, so that the terminal configures the transmitting AI2 data and the transmission according to the resource allocation information.
  • the resource of the parameter can communicate with the two terminals at least through the AI1, and can receive the Sidelink resource scheduling request of the terminal from the AI1, and send the corresponding resource allocation information to the terminal through the AI1, so that the terminal configures the transmitting AI2 data and the transmission according to the resource allocation information.
  • the resource of the parameter can communicate with the two terminals at least through the AI1, and can receive the Sidelink resource scheduling request of the terminal from the AI1, and send the
  • the type 1 terminal can initiate an AI2 resource scheduling request (Scheduling Request) to the base station through AI1, and initiate an AI2 resource scheduling request to the type 2 terminal through the AI2, and receive the AI2 resource allocation (Resource Grant) information and the cell level AI2 resource pool (Resource) sent by the base station.
  • AI2 resource scheduling request Scheduling Request
  • AI2 resource scheduling request to the type 2 terminal through the AI2
  • the pool selects the AI2 resource by itself, sends the data and its transmission parameters to other types of terminals, and can receive the AI2 data and its transmission parameters transmitted by another terminal (which may be a type 1 terminal or a type 2 terminal).
  • the type 2 terminal is capable of receiving an AI2 resource scheduling request (Scheduling request) from the type 1 terminal, and scheduling the AI2 resource for the type 1 terminal, and transmitting the corresponding resource allocation (Resource grant) information to the type 1 terminal through the AI2; And receiving the cell-level AI2 resource pool information from the base station by using the AI1, classifying the type 2 terminal-level AI2 resource pool according to the cell-level AI2 resource pool information, and transmitting the resource pool information to the type 1 terminal by using the AI2.
  • AI2 resource scheduling request Scheduling request
  • Resource grant resource allocation
  • the cell-level resource pool is configured by the base station, and the cell-level resource pool information is information that the base station sends to the terminal to indicate resources that can be used when the terminal is not in the coverage of the base station.
  • the terminal-level resource pool is a resource that is allocated from a cell-level resource pool by a terminal having a scheduling resource function, and is a resource that can be used when the terminal is in a partial coverage scenario of the terminal having the scheduling function, and the terminal-level resource pool information has a scheduling function.
  • the terminal sends to the terminal to indicate that when the terminal is in the partial coverage scene of the terminal having the scheduling function, Information about the resources used.
  • FIG. 4 is a schematic flowchart of a method for radio resource scheduling according to an embodiment of the present invention. As shown in FIG. 4, the method 100 includes:
  • the first type terminal device determines whether to send resource scheduling request information to the base station and/or the second type terminal device, where the first type terminal device communicates with the base station by using a first type interface, where the first The type terminal device communicates with the second type terminal device through a second type of interface, the second type terminal device communicates with the base station through a first type interface, and the second type terminal device has a resource scheduling function;
  • the first type terminal device determines, according to the determined result, a link resource used for communicating with other first type terminal devices.
  • the first type terminal device may select to send a resource scheduling request to the base station or the second type terminal device having the resource scheduling function. Therefore, the base station and/or the second type terminal device can schedule the first type of terminal device, thereby avoiding inter-terminal interference, improving transmission success rate, reducing transmission delay, ensuring performance and reliability of the V2V system, and expanding Communication capacity of the V2V system.
  • the second type of terminal device does not use a radio resource control (Radio Resource Control, referred to as "RRC”) connection mode in the radio resource scheduling process, and uses media access control (Media Access Control, referred to as "MAC” for short).
  • RRC Radio Resource Control
  • MAC Media Access Control
  • the direct transmission mode of the layer does not occupy a limited physical downlink control channel (Physical Downlink Control Channel, referred to as "PDCCH”) and a physical uplink control channel (Physical Upwn Link Control Channel, "PUCCH”), and can form with a base station.
  • PDCH Physical Downlink Control Channel
  • PUCCH Physical Upwn Link Control Channel
  • Multi-layer scheduling and cooperative scheduling therefore, even when the first type of terminal equipment is in a scene without base station coverage or partial coverage of the base station, interference between terminals can be avoided, the transmission success rate is improved, and the transmission delay is reduced.
  • the first type of terminal device may be the OBU above, and the second type of terminal device may be the RSU above.
  • the first type of interface corresponds to the first type of interface
  • the first type of interface may be a Uu interface
  • the second type of interface corresponds to the second type of the interface
  • the second type of interface may be a V2V interface or a V2I interface.
  • the first type terminal device may determine whether to send resource scheduling request information to the base station and/or the second type terminal device according to at least one of the following information: whether the first type terminal device is in the base station and/or Or within the coverage of the second type of terminal device and having an effective connection, The motion speed of the first type terminal device, the signal coverage of the base station, and the signal coverage of the second type terminal device.
  • the first type of terminal device selects to send scheduling request information to the base station; or, when the first type The terminal device of the type is both within the coverage of the base station and within the coverage of the terminal device of the second type.
  • the terminal device of the first type may select one of the transmission resource scheduling request information with better coverage.
  • the terminal device of the first type may select to send resource scheduling request information to the base station when the motion speed is slow, and request the base station to allocate link resources for the base station; the signal coverage strength of the first type terminal device may be lower than the base station.
  • the resource scheduling request information is sent to the second type of terminal device, and the second type terminal device is requested to allocate the link resource.
  • the first type terminal device may select neither to send the resource scheduling request information to the base station nor to the second type.
  • the type terminal device sends the resource scheduling request information, but determines the required link resources according to the resource pool information.
  • the first type terminal device may send the resource scheduling request information to the base station and the resource scheduling request information to the second type terminal device, and receive the resource allocation information and the second type that are sent by the base station for the resource scheduling request information.
  • the resource allocation information sent by the terminal device for the resource scheduling request information and then determining the link resource according to the resource allocation information respectively sent by the base station and the second type terminal device. For example, if the effective resource allocation information sent by the base station and the second type terminal device is received, the first type terminal device may determine the required link resource according to the resource allocation information sent by the second type terminal device, or according to the base station.
  • the resource allocation information that is sent determines the required link resources, which is not limited by the present invention.
  • the first type terminal device may receive the cell level resource pool information sent by the base station; and receive the terminal level resource pool information sent by the second type terminal device.
  • the first type of terminal device sends the first resource scheduling request information to the base station when determining to send the resource scheduling request information to the base station;
  • the resource indicated by the resource allocation information sent by the base station is determined as the link resource, or
  • the link resource is determined according to the cell level resource pool information and/or the terminal level resource pool information.
  • the first type of terminal device may determine whether the resource allocation information is valid, and determine the resource indicated by the resource allocation information as a link resource when the determining is valid.
  • the resource allocation information is valid.
  • the resource indicated by the resource allocation information is in the pre-configured resource pool but not in the cell-level resource pool, but the present invention is not limited thereto.
  • the first type of terminal device does not receive the resource allocation information sent by the base station, and may be understood that the first type of terminal device does not successfully receive the resource sent by the base station within a preset time after sending the resource scheduling request information to the base station.
  • the information may be allocated.
  • the first type of terminal device sends the resource scheduling request information to the base station N times, but the resource allocation information sent by the base station is not received.
  • the preset time may be set according to actual needs, and the value of N is set. It can also be set according to actual needs, which is not limited by the present invention.
  • the first type terminal device sends the second resource scheduling request information to the second type terminal device when determining to send the resource scheduling request to the second type terminal device;
  • the link resource is determined according to the cell level resource pool information and/or the terminal level resource pool information.
  • the resource indicated by the resource allocation information sent by the terminal device of the second type is in the resource indicated by the cell-level resource pool information, and the resource indicated by the resource allocation information sent by the terminal device of the second type is not in the terminal-level resource pool.
  • the resource allocation information may be considered as valid resource allocation information.
  • the resource indicated by the resource allocation information sent by the second type of terminal device is not in the resource indicated by the cell level resource pool information, or the resource indicated by the resource allocation information sent by the second type terminal device is in the terminal level resource pool information indication
  • the resource allocation information can be considered as invalid resource allocation information.
  • the invention is not limited to this.
  • the cell level resource pool information and the terminal may be used.
  • the resource pool information of the level is selected by the priority resource pool, and the link resource is determined from the priority resource pool.
  • the terminal device of the first type can select the preferred resource pool according to the configuration of the base station, and the priority resource is used.
  • the link resources are determined in the pool.
  • the first type of device may select the preferred resource pool according to standard or default rules.
  • the base station may send the configuration of the base station to the first type of terminal device by using RRC signaling.
  • the first type of terminal device mentioned above may select a preferentially used resource pool, and determine a link resource from the preferentially used resource pool.
  • the resource may be selected according to the following rules:
  • the first type of terminal device may select a preferentially used resource pool according to a default rule or a configuration of the base station, and if it is determined that the cell-level resource pool is preferentially used, determine whether a valid cell-level resource pool information is received, and if it is valid. If the cell-level resource pool information is used, the resource is selected from the cell-level resource pool. If the cell-level resource pool information is not received, it is determined whether a valid terminal-level resource pool information is received, and if a valid terminal level is received. The resource pool information is selected from the terminal level resource pool. If no valid terminal level resource pool information is received, the resource is selected from the pre-configured resource pool.
  • the terminal-level resource pool is preferentially used, it is determined whether a valid terminal-level resource pool information is received, and if valid terminal-level resource pool information is received, the resource is selected from the terminal-level resource pool, if a valid terminal-level is not received.
  • the resource pool information is used to determine whether the valid cell-level resource pool information is received. If the valid cell-level resource pool information is received, the resource is selected from the cell-level resource pool. If no valid cell-level resource pool information is received, Then select a resource from the pre-configured resource pool.
  • the first type terminal device may determine, as the link, the resource indicated by the terminal level resource pool information and some or all resources in the common part of the resource indicated by the cell level resource pool. Resources.
  • the first type of terminal device can be in the end The intersection of the end-level resource pool and the cell-level resource pool selects the resource transmission data and its transmission parameters.
  • the terminal-level resource pool information is valid.
  • the terminal-level resource pool indicated by the terminal-level resource pool information is in the cell-level resource pool indicated by the cell-level resource pool information, and the resource pool indicated by the terminal-level resource pool is partially or completely absent.
  • the terminal-level resource pool information is invalid.
  • the cell-level resource pool information is valid.
  • the first-type terminal device successfully receives the cell-level resource pool information, but the present invention And limited to this.
  • the first-type terminal device may select resources from the cell-level resource pool directly or according to the configuration of the base station. Or, even if it is determined that the cell-level resource pool is preferentially used, and the cell-level resource pool information is valid, the first-type terminal device may select the resource from the terminal-level resource pool directly or according to the configuration of the base station.
  • the first type terminal can actively avoid using the potentially conflicting resources to avoid system performance degradation.
  • the coverage of the RSU is exactly at the junction of two adjacent cells, and it may occur that “the RSU is located in the coverage of the cell A, and some terminals in the coverage of the RSU are located in the coverage of the cell B. "Case.
  • the scheduling information and the terminal-level resource pool information sent by the RSU to the terminal are based on the cell-level resource pool selection and division of the A-cell, and may be in conflict with the cell-level resource pool of the B-cell where the terminal is located.
  • the terminal still uses the scheduling and resource pool of the A cell arbitrarily, which may interfere with the scheduling or resource pool division of the B cell.
  • the terminal when the RSU scheduling and the terminal-level resource pool division conflict with the base station, the terminal only uses the resource scheduling and resource pool that does not conflict with the base station to transmit data and transmission parameters thereof. To avoid system performance degradation.
  • FIG. 6 is a diagram of a radio resource scheduling method according to a specific embodiment of the present invention. It should be noted that this example is only intended to help those skilled in the art to better understand the embodiments of the present invention, and not to limit the scope of the embodiments of the present invention.
  • the method of FIG. 6 is performed by a Type 1 terminal (corresponding to the first type of terminal device in the above). As shown in FIG. 6, the method 200 includes:
  • S201 Receive, by using AI1, cell-level AI2 resource pool information sent by the base station.
  • AI1 is the interface between the base station and the type 1 terminal.
  • S202 Receive, by using AI2, type 2 terminal level AI2 resource pool information sent by the type 2 terminal.
  • AI2 is the interface between type 2 and type 1 terminals.
  • the type 1 terminal selects whether to initiate an AI2 resource scheduling request to the base station, or initiate an AI2 resource scheduling request to the type 2 terminal;
  • the type 1 terminal sends the AI2 resource scheduling request to the base station by using AI1.
  • the type 1 terminal determines whether valid AI2 resource allocation information is received from the base station.
  • the Type 1 terminal receives the valid AI2 resource allocation information from the base station, the resource indicated by the resource allocation information is used to send the AI2 data and its transmission parameters to other Type 1 terminals. If the valid AI2 resource allocation information from the base station is not received, returning to S203, reselecting to whom to initiate the AI2 resource scheduling request;
  • the type 1 terminal sends the AI2 resource scheduling request to the type 2 terminal through AI2.
  • the type 1 terminal determines whether valid AI2 resource allocation information is received from the type 2 terminal.
  • the Type 1 terminal receives the valid AI2 resource allocation information from the Type 2 terminal, the resource indicated by the resource allocation information is used to send the AI2 data and its transmission parameters to other Type 1 terminals. If the valid AI2 resource allocation information from the type 2 terminal is not received, then return to S203 to re-select the AI2 resource scheduling request to whom;
  • the Type 1 terminal decides to no longer initiate an AI2 resource scheduling request to the base station or the Type 2 terminal, the AI2 resource pool selects the resource by itself, and sends the AI2 data and its transmission parameters.
  • the type 1 terminal may perform resource selection according to the method shown in FIG. 7.
  • S210 specifically includes:
  • the type 1 terminal selects whether to use the cell level resource pool preferentially or the type 2 terminal level resource pool preferentially;
  • the Type 1 terminal may select which resource pool to preferentially adopt according to the method described above.
  • the information is from the cell level resource pool. Select a resource to send the AI2 signal;
  • the resource is selected from the Type 2 terminal level AI2 resource pool to send the AI2 signal.
  • the resource is selected from the type 2 terminal level resource pool to send the AI2 signal.
  • the resource is selected from the cell level AI2 resource pool to send the AI2 signal.
  • the type 1 terminal corresponds to the first type terminal device in the foregoing
  • the type 2 terminal corresponds to the second type terminal device in the foregoing
  • AI1 corresponds to the first type interface in the foregoing text
  • AI2 corresponds to the second type interface in the foregoing text
  • the cell The level AI2 resource pool corresponds to the cell level resource pool in the previous context
  • the type 2 terminal level AI2 resource pool corresponds to the terminal level resource pool in the foregoing.
  • the first type terminal device may select to send a resource scheduling request to the base station or the second type terminal device having the resource scheduling function. Therefore, the base station and/or the second type terminal device can schedule the first type of terminal device, thereby avoiding inter-terminal interference, improving transmission success rate, reducing transmission delay, ensuring performance and reliability of the V2V system, and expanding Communication capacity of the V2V system.
  • a method for radio resource scheduling according to an embodiment of the present invention is described in detail above with reference to FIG. 4 to FIG. 7 in detail.
  • the following is a detailed description of the second type terminal device side according to the present invention with reference to FIG. 8 to FIG. A method of radio resource scheduling in an embodiment.
  • the first type The interaction and related features, functions, and the like of the second type of terminal device and the first type of terminal device described on the terminal device side correspond to the description of the second type terminal device side. For the sake of brevity, duplicate descriptions are omitted as appropriate.
  • FIG. 8 illustrates a method for wireless resource scheduling according to another embodiment of the present invention. As shown in FIG. 8, the method 300 includes:
  • the second type terminal device receives the resource scheduling request information sent by the first type terminal device, where the second type terminal device communicates with the base station by using the first type interface, where the first type terminal device passes the first type The interface communicates with the base station, and the second type of terminal device communicates with the first type of terminal device by using the second type of interface;
  • the second type terminal device sends resource allocation information to the first type terminal device, so that the first type terminal device determines, according to the resource allocation information, a link that communicates with other first type terminal devices. Resources.
  • the second type of terminal device has a resource scheduling function, and can dynamically schedule the transmission resource of the terminal instead of the base station when the terminal is in a scenario where the terminal is partially covered or not covered by the base station. Improve transmission success rate, reduce transmission delay, and ensure the performance and reliability of V2V system.
  • the scheduling of resources by the second type of terminal equipment shares the scheduling task of the base station on the first type of interface, reduces the network load of the PDCCH and the PUCCH of the cellular network, and can leave more control channel resources to the cellular communication service.
  • multiple frequency reuse regions can be formed by deploying multiple second type terminal devices within the coverage of the base station, and higher frequency utilization efficiency can be realized by more detailed frequency reuse.
  • the second type terminal device may determine whether to receive the cell level resource pool information sent by the base station, and when determining to receive the cell level resource pool information sent by the base station, according to the cell level resource pool information
  • the first type terminal device sends the terminal level resource pool information, and determines the resource allocation information according to the resource scheduling request information, the cell level resource pool information, and the terminal level resource pool information, and then sends the resource allocation to the first type terminal device. information.
  • part of the resources indicated by the cell level resource pool information may be determined as the terminal level resource pool, and the first type terminal device is used.
  • the second type terminal device may perform another division in the cell-level resource pool, and take a part of the resource in the cell-level resource pool for adjustment. Degree, the remaining as a terminal-level resource pool, from which the first type of terminal device selects the resource usage.
  • the second type terminal device may be at the cell level resource.
  • the cell-level resource pool indicated by the pool information is used to allocate a part of resources as a terminal-level resource pool, and the remaining part can be used for dynamic resource scheduling of the second-type terminal device to the first type of terminal device.
  • the second type terminal device sends configuration information to the base station, where the configuration information indicates a related configuration of the second type terminal device, so that the base station schedules the first type terminal device according to the configuration information.
  • the configuration information sent by the terminal device of the second type may include any one of the following information: terminal level resource pool information, location information of the second type terminal device, and signal coverage of the second type terminal device. Capability information.
  • the second type terminal device reports the configuration information of the base station to the base station, so that the coordinated scheduling between the base station and the second type terminal device can be implemented.
  • the terminal-level resource pool information is sent to the first-type terminal device according to the pre-configured resource pool;
  • the resource scheduling information, the pre-configured resource pool, and the terminal-level resource pool information are determined, resource allocation information is determined, and then the resource allocation information is sent to the first type terminal device.
  • the second type terminal device determines a part of resources in the pre-configured resource pool as a terminal level resource pool, and sends terminal level resource pool information indicating the terminal level resource pool to the first type terminal device.
  • the second type terminal device may be divided into a preset resource pool as a terminal-level resource pool, and the remaining resources may be used by the second type terminal device to schedule the first type of terminal device.
  • the first type interface is a Uu interface
  • the second type interface is a V2V interface or a V2I interface.
  • FIG. 11 is a diagram of a method for scheduling a radio resource according to another embodiment of the present invention. It should be noted that this example is only intended to help those skilled in the art to better understand the embodiments of the present invention, and not to limit the scope of the embodiments of the present invention.
  • the method of Figure 11 consists of a Type 2 terminal (corresponding to the second of the above)
  • the type terminal device is executed, as shown in FIG. 11, the method 400 includes:
  • S402 The type 2 terminal determines whether the cell level AI2 resource pool information sent by the base station is received.
  • S404 The type 2 terminal sends the type 2 terminal level resource pool information to the type 1 terminal by using AI2.
  • the type 2 terminal reports its configuration information to the base station through the AI1.
  • the Type 2 terminal continuously monitors the AI2 resource scheduling request from the Type 1 terminal on the AI2.
  • the Type 2 terminal determines whether an AI2 resource scheduling request from the Type 1 terminal is received.
  • the type 2 terminal receives the AI2 resource scheduling request from the type 1 terminal, scheduling the AI2 resource for the type 1 terminal based on the cell level AI2 resource pool and the type 2 terminal level AI2 resource pool, and configuring the corresponding AI2 resource.
  • Information is sent to the type 1 terminal through AI2;
  • the type 2 terminal level AI2 resource pool is divided according to the preconfigured AI2 resource pool;
  • S410 The type 2 terminal sends the type 2 terminal level resource pool information to the type 1 terminal by using AI2.
  • the type 2 terminal continuously monitors the AI2 resource scheduling request from the type 1 terminal on the AI2;
  • S412 The type 2 terminal determines whether an AI2 resource scheduling request from the type 1 terminal is received.
  • the type 2 terminal receives the AI2 resource scheduling request from the type 1 terminal, scheduling the AI2 resource for the type 1 terminal based on the preconfigured AI2 resource pool and the type 2 terminal level AI2 resource pool, and configuring the corresponding AI2 resource.
  • Information is sent to the Type 1 terminal via AI2.
  • the type 1 terminal corresponds to the first type terminal device in the foregoing
  • the type 2 terminal corresponds to the second type terminal device in the foregoing
  • the AI1 corresponds to the first type interface in the foregoing
  • the AI2 corresponds to the first type in the foregoing.
  • a type 2 interface, and S405 is an optional step, that is, the type 2 terminal may not report its own configuration information to the base station.
  • the second type of terminal device has a resource scheduling function, and can dynamically schedule the transmission resource of the terminal instead of the base station when the terminal is in a scenario where the terminal is partially covered or not covered by the base station. Improve transmission success rate, reduce transmission delay, and ensure the performance and reliability of V2V system.
  • the method 400 includes:
  • the base station sends cell-level resource pool information to the first type of terminal device and the second type of terminal device, where the base station communicates with the first type of terminal device by using a first type of interface, and the base station is connected to the first type.
  • the interface communicates with the second type of terminal device, and the first type of terminal device communicates with the second type of terminal device by using a second type of interface;
  • the base station receives a resource scheduling request sent by the first type terminal device.
  • the base station sends resource allocation information to the first type of terminal device according to the resource scheduling request, so that the first type terminal device determines, according to the resource allocation information, that it is used to perform with other first type terminal devices.
  • Link resources for communication
  • the base station may send the cell-level resource pool information to the second type of terminal device, and the second type of terminal device has the resource scheduling function, and therefore, the terminal device is in the coverage of the base station.
  • the terminal device may be scheduled by the base station.
  • the terminal type device may dynamically schedule the transmission resource of the terminal. Thereby, the transmission success rate can be improved, the transmission delay can be reduced, and the performance and reliability of the V2V system can be ensured.
  • the base station may receive configuration information sent by the terminal device of the second type, where the configuration information indicates a related configuration of the terminal device of the second type, so that the base station is configured according to the configuration information.
  • the first type of terminal device performs scheduling.
  • the configuration information includes any one of the following information: terminal level resource pool information, location information of the second type terminal device, and signal of the second type terminal device. Coverage capability information.
  • the first type interface is a Uu interface
  • the second type interface is a V2V interface or a V2I interface.
  • the base station may send the cell-level resource pool information to the second type of terminal device, and the second type of terminal device has the resource scheduling function, and therefore, the terminal device is in the coverage of the base station.
  • the terminal device may be scheduled by the base station.
  • the terminal type device may dynamically schedule the transmission resource of the terminal. Thereby, the transmission success rate can be improved, the transmission delay can be reduced, and the performance and reliability of the V2V system can be ensured.
  • the apparatus 10 includes:
  • the resource configuration module 11 is configured to determine whether to send resource scheduling request information to the base station and/or the second type terminal device, where the device communicates with the base station by using a first type interface, the device and the second The type terminal device communicates through a second type of terminal device, the second type terminal device communicates with the base station through a first type of interface, and the second type of terminal device has a resource scheduling function;
  • the resource configuration module 11 is further configured to determine, according to the determined result, a link resource used for communicating with another device.
  • the apparatus of the embodiment of the present invention may select to send resource scheduling request information to a base station or a second type terminal device having a resource scheduling function. Therefore, the base station and/or the second type terminal device can schedule the first type of terminal device, thereby avoiding inter-terminal interference, improving transmission success rate, reducing transmission delay, ensuring performance and reliability of the V2V system, and expanding Communication capacity of the V2V system.
  • the apparatus further includes:
  • the receiving module 12 is configured to receive cell level resource pool information sent by the base station;
  • the receiving module 12 is further configured to receive terminal level resource pool information sent by the second type terminal device.
  • the apparatus further includes:
  • the sending module 13 is configured to: when the resource configuration module 11 determines to send the resource scheduling request information to the base station, send the first resource scheduling request information to the base station;
  • the resource configuration module 11 is configured to:
  • the receiving module 12 When the receiving module 12 receives the resource allocation information sent by the base station, the resource indicated by the resource allocation information sent by the base station is determined as the link resource, or
  • the receiving module 12 does not receive the resource allocation information sent by the base station, determining whether to send resource scheduling request information to the base station and/or the second type terminal device,
  • the link resource is determined according to the cell level resource pool information and/or the terminal level resource pool information.
  • the sending module 13 is configured to: when determining to send a resource scheduling request to the second type terminal device, send the second resource scheduling request information to the second type terminal device;
  • the resource configuration module 11 is configured to:
  • the receiving module 12 When the receiving module 12 receives the valid resource allocation information sent by the second type of terminal device, the resource indicated by the resource allocation information sent by the second type terminal device is determined as the link resource; or
  • the receiving module 12 When the receiving module 12 does not receive the valid resource allocation information sent by the second type terminal device, determining whether to send a resource scheduling request to the base station and/or the second type terminal device,
  • the link resource is determined according to the cell level resource pool information and/or the terminal level resource pool information.
  • the sending module 13 is configured to send, when the resource configuration module 11 determines to send the resource scheduling request information to the base station and the second type terminal device, Three resource scheduling request information, and sending fourth resource scheduling request information to the second type terminal device;
  • the receiving module 12 is configured to:
  • the resource configuration module 11 is configured to:
  • the resource configuration module 11 is further configured to:
  • the link resource is determined according to the cell level resource pool information and the terminal level resource pool information.
  • the resource configuration module 11 is specifically configured to:
  • the resource configuration module 11 is specifically configured to:
  • the resource configuration module 11 is further configured to:
  • the resource configuration module 11 is specifically configured to:
  • Determining whether to send resource scheduling request information to the base station and/or the second type of terminal device according to at least one of the following information: whether the device is in the coverage of the base station and/or the second type of terminal device There is an effective connection, a moving speed of the device, a signal coverage of the base station, and a signal coverage of the second type of terminal device.
  • the first type interface is a Uu interface
  • the second type interface is a V2V interface or a V2I interface.
  • the device is an onboard unit OBU, and/or the second type terminal device is a roadside unit RSU.
  • the resource configuration module 11 may be implemented by a processor
  • the receiving module 12 may be implemented by a receiver
  • the sending module 13 may be implemented by a transmitter.
  • the apparatus 100 may include a processor 101, a receiver 102, a transmitter 103, and a memory 104.
  • the memory 104 can be used to store code and the like executed by the processor 101.
  • bus system 105 which in addition to the data bus includes a power bus, a control bus, and a status signal bus.
  • the apparatus 10 shown in FIG. 13 to FIG. 15 or the apparatus 100 shown in FIG. 16 can implement the various processes implemented in the foregoing method embodiment of FIG. 4. To avoid repetition, details are not described herein again.
  • the apparatus 20 includes:
  • the receiving module 21 is configured to receive resource scheduling request information sent by the first type terminal device, where the device communicates with the base station by using a first type interface, where the first type terminal device communicates with the base station by using the first type interface The device communicates with the first class through a second type of interface Type terminal equipment for communication;
  • the sending module 22 is configured to send resource allocation information to the first type of terminal device, so that the first type of terminal device determines, according to the resource allocation information, a link resource that communicates with other first type terminal devices.
  • the device has a resource scheduling function, and can dynamically schedule the transmission resources of the terminal instead of the base station when the terminal is in a scenario where the terminal is partially covered or not covered by the base station, thereby improving the transmission success rate and reducing the transmission delay. To ensure the performance and reliability of the V2V system.
  • the device further includes:
  • the resource scheduling module 23 is configured to determine whether the receiving module receives the cell-level resource pool information sent by the base station;
  • the sending module 22 is specifically configured to: when the resource scheduling module determines that the receiving module receives the cell-level resource pool information sent by the base station, according to the cell-level resource pool information, to the first type
  • the terminal device sends terminal level resource pool information
  • the resource scheduling module 23 is further configured to determine the resource allocation information according to the resource scheduling request information, the cell level resource pool information, and the terminal level resource pool information;
  • the sending module 22 is further configured to send the resource allocation information to the first type of terminal device.
  • the resource scheduling module 23 is specifically configured to:
  • the sending module 22 is specifically configured to:
  • the sending module 22 is further configured to:
  • the base station sends configuration information, where the configuration information indicates a related configuration of the device, so that the base station performs scheduling on the first type of terminal device according to the configuration information.
  • the configuration information includes any one of the following information: terminal level resource pool information, location information of the device, and signal coverage capability information of the device.
  • the resource scheduling module 23 is configured to determine whether the receiving module receives the cell-level resource pool information sent by the base station.
  • the sending module 22 is specifically configured to: when the resource scheduling module 23 determines that the receiving module 21 does not receive the cell-level resource pool information sent by the base station, according to the pre-configured resource pool to the first type
  • the terminal device sends terminal level resource pool information
  • the resource scheduling module 23 is further configured to determine the resource allocation information according to the resource scheduling request information, the pre-configured resource pool, and the terminal-level resource pool information;
  • the sending module 22 is further configured to send the resource allocation information to the first type of terminal device.
  • the resource scheduling module 23 is specifically configured to:
  • the sending module 22 is specifically configured to:
  • the first type interface is a Uu interface
  • the second type interface is a V2V interface or a V2I interface.
  • the first type terminal device is an in-vehicle device OBU, and/or the device is a roadside unit RSU.
  • the receiving module 21 may be implemented by a receiver
  • the sending module 22 may be implemented by a transmitter
  • the resource configuration module 23 may be implemented by a processor.
  • apparatus 200 can include a processor 201, a receiver 202, a transmitter 203, and a memory 204.
  • the memory 204 can be used to store code and the like executed by the processor 201.
  • bus system 205 which in addition to the data bus includes a power bus, a control bus, and a status signal bus.
  • the apparatus 20 shown in FIG. 17 or FIG. 18 or the apparatus 200 shown in FIG. 19 can implement the various processes implemented in the foregoing method embodiment of FIG. 8. To avoid repetition, details are not described herein again.
  • the apparatus 30 includes:
  • the sending module 31 is configured to send the cell-level resource pool information to the first type of terminal device and the second type of terminal device, where the device communicates with the first type of terminal device by using the first type of interface, where the device is The first type of interface communicates with the second type of terminal device, and the first type of terminal device communicates with the second type of terminal device by using a second type of interface;
  • the receiving module 32 is configured to receive a resource scheduling request sent by the first type terminal device
  • the resource scheduling module 33 is configured to determine resource allocation information according to the scheduling request of the resource;
  • the sending module 31 is further configured to send the resource allocation information to the first type of terminal device, so that the first type of terminal device determines, according to the resource allocation information, that it is used to perform with other first type terminal devices.
  • Link resources for communication
  • the apparatus according to the embodiment of the present invention may send the cell-level resource pool information to the second type of terminal device, and the second type of terminal device has the resource scheduling function. Therefore, both the device and the second type of terminal device may transmit to the terminal. Resources are dynamically scheduled. Thereby, the transmission success rate can be improved, the transmission delay can be reduced, and the performance and reliability of the V2V system can be ensured.
  • the receiving module 32 is further configured to:
  • the configuration information indicating a related configuration of the terminal device of the second type, so that the device schedules the terminal device of the first type according to the configuration information.
  • the configuration information includes any one of the following information: terminal level resource pool information, location information of the second type terminal device, and signal of the second type terminal device. Coverage capability information.
  • the first type interface is a Uu interface
  • the second type interface is a V2V interface or a V2I interface.
  • the device is a base station, and/or the first type of terminal device is an onboard unit OBU, and/or the second type of terminal device is a roadside unit RSU.
  • the sending module 31 may be implemented by a transmitter
  • the receiving module 32 may be implemented by a receiver
  • the resource scheduling module 33 may be implemented by the processor 301.
  • apparatus 300 can include a processor 301, a receiver 302, a transmitter 303, and a memory 304.
  • the memory 304 can be used to store code and the like executed by the processor 301.
  • bus system 305 which in addition to the data bus includes a power bus, a control bus, and a status signal bus.
  • the apparatus 30 shown in FIG. 20 or the apparatus 300 shown in FIG. 21 can implement the various processes implemented in the foregoing method embodiment of FIG. 12. To avoid repetition, details are not described herein again.
  • the embodiment of the present invention further provides a system for scheduling wireless resources, including the device 10 shown in any of the foregoing FIGS. 13 to 15, the device 20 shown in the foregoing FIG. 17 or FIG. 18, and the device in FIG. The device 30 is shown.
  • the disclosed systems, devices, and methods may be implemented in other manners.
  • the device embodiments described above are merely illustrative.
  • the division of the unit is only a logical function division.
  • there may be another division manner for example, multiple units or components may be combined or Can be integrated into another system, or some features can be ignored or not executed.
  • the mutual coupling or direct coupling or communication connection shown or discussed may be an indirect coupling or communication connection through some interface, device or unit, and may be in an electrical, mechanical or other form.
  • 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, 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 of the embodiment.
  • each functional unit in each embodiment of the present invention may be integrated into one processing unit, or each unit may exist physically separately, or two or more units may be integrated into one unit.
  • the functions may be stored in a computer readable storage medium if implemented in the form of a software functional unit and sold or used as a standalone product.
  • the technical solution of the present invention which is essential or contributes to the prior art, or a part of the technical solution, may be embodied in the form of a software product, which is stored in a storage medium, including
  • the instructions are used to cause a computer device (which may be a personal computer, server, or network device, etc.) to perform all or part of the steps of the methods described in various embodiments of the present invention.
  • the foregoing storage medium includes: a U disk, a mobile hard disk, a read-only memory (ROM), a random access memory (RAM), a magnetic disk, or an optical disk, and the like. .

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Abstract

本发明提供一种无线资源调度的方法、装置和系统,该方法包括:第一类型终端设备确定是否向基站和/或第二类型终端设备发送资源调度请求信息,其中,第一类型终端设备与基站通过第一类型接口进行通信,第一类型终端设备与第二类型终端设备通过第二类型接口进行通信,第二类型终端设备与基站通过第一类型接口进行通信,第二类型终端设备具有资源调度功能;第一类型终端设备根据确定的结果,确定用于与其他第一类型终端设备进行通信的链路资源。由此,基站和/或第二类型终端设备可以对第一类型终端设备进行调度,因此,能够避免终端间干扰,提高传输成功率、降低传输时延,保证V2V系统的性能和可靠性,扩大V2V系统的通信容量。

Description

无线资源调度的方法、装置和系统 技术领域
本发明实施例涉及移动通信领域,并且更具体地,涉及无线资源调度的方法、装置及系统。
背景技术
车联网已经成为无线通信技术发展的热门领域,其中V2X(包括车-车(Vehicle-to-Vehicle,简称为“V2V”)通信、车-路(Vehicle to Infr-astructure,简称为“V2I”)通信和车-行人(Vehicle-to-Pedestrian,简称为“V2P”)通信等)通信是车联网领域对无线传输技术影响最大的技术,而V2V通信又是V2X通信技术的核心。V2V可通过车与车之间的无线通信,在车辆之间共享车载雷达、摄像头等传感信息(即Sensor Sharing),将车辆的感知范围从数十米、视距范围扩展到数百米、非视距范围,从而大大提高车辆的驾驶安全,有效实现辅助驾驶和自动驾驶。
但V2V通信系统是一个复杂的无线通信系统,面临很多技术挑战,其中一个技术挑战是:需要在数百米范围内同时支持数百辆车辆发送传感器共享信息,同时保持很低的时延和很高的数据传输可靠性,因此需要采用能有效抑制终端间干扰的V2V资源调度技术。
现有的V2V技术IEEE 802.11p由于没有蜂窝网络的配合,只能采用单纯的点对点(Ad-Hoc)组网和调度方式。但这种调度方式效率较低,随着终端数量的增加,V2V通信的时延会逐渐增大,传输成功率会逐渐降低。
3GPP正在研究和标准化的基于长期演进(Long Term Evolution,简称为“LTE”)的V2X技术有望实现比IEEE 802.11p更好的V2V传输性能,因为其可以借助LTE蜂窝网络的基站对V2V终端进行中心调度(Centralized Scheduling),大幅提高V2V传输效率,降低V2V传输时延,提高传输成功率。
这种基站中心调度和Ad Hoc自组织调度相结合的调度技术已经在LTE D2D标准中采用,因此现有的LTE V2X技术方案主要就是借鉴LTE D2D的设计。LTE V2V系统由LTE网络和车载单元(On board Unit,简称为“OBU”)组成,图1是现有V2V系统的一种部署场景:
在有LTE基站覆盖的场景(称为In Coverage场景)中,首先由基站为 OBU终端分配V2V传输所需的副链路(Sidelink)资源,然后终端使用基站分配的资源进行Sidelink数据及其传输参数的传输;
如果LTE基站覆盖不稳定,信号时有时无时(可称为Partial coverage场景),基站无法实时、动态的为终端分配Sidelink资源,则由基站周期性的广播一个半静态资源池(Resource Pool)的信息,只要OBU终端在有覆盖的时候收到了这个资源池信息,就可以在失去覆盖时,从该资源池中随机选择Sidelink资源发送V2V数据及其传输参数。
在完全没有LTE基站覆盖的场景(称为Out of Coverage场景)中,OBU终端连偶尔收到基站广播消息中的资源池信息也不可能。这种情况下只能在静态存储在终端内的预配置资源池中随机选择Sidelink资源发送V2V数据及其传输参数。
但是,从资源池中随机选择Sidelink资源发送V2V数据及其传输参数,不可避免会产生OBU终端之间的资源冲突和干扰,造成V2V数据的传输成功率下降。如果采用多次重传来提高传输成功率,则又会造成传输时延增大。要同时实现高成功率和低时延,就必须限制同一覆盖范围内同时发送V2V信号的车的数量,难以实现大车流量的V2V通信。
因此,要想减小OBU终端之间的干扰,提高V2V通信效率,就必须尽可能提高In coverage场景的比例,减小Out of Coverage场景的比例。而电信运营商的基站覆盖和容量是根据传统类型终端(如手机)的密度分布来规划的,难以保证对OBU终端实现很好的覆盖。更严重的是,如果电信运营商考虑成本问题,不愿意进行基站升级和网络优化,以支持V2V业务,OBU终端可能完全处于Out of Coverage场景,此时LTE V2V技术也只能采用资源池随机选择或IEEE 802.11p所采用的“对话前监听”,其性能也很难优于IEEE 802.11p。
发明内容
本发明提供一种无线资源调度的方法、装置及系统,能够提高V2V通信的成功率、降低传输时延、扩大V2V系统的通信容量。
第一方面,提供了一种无线资源调度的方法,包括:第一类型终端设备确定是否向基站和/或第二类型终端设备发送资源调度请求信息,其中,所述第一类型终端设备与所述基站通过第一类型接口进行通信,所述第一类型终 端设备与所述第二类型终端设备通过第二类型接口进行通信,所述第二类型终端设备与所述基站通过第一类型接口进行通信,所述第二类型终端设备具有资源调度功能;所述第一类型终端设备根据确定的结果,确定用于与其他第一类型终端设备进行通信的链路资源。
第二方面,提供了一种无线资源调度的方法,包括:第二类型终端设备接收第一类型终端设备发送的资源调度请求信息,其中,所述第二类型终端设备通过第一类型接口与基站进行通信,所述第一类型终端设备通过第一类型接口与基站进行通信,所述第二类型终端设备通过第二类型接口与所述第一类型终端设备进行通信;所述第二类型终端设备向所述第一类型终端设备发送资源分配信息,以便于所述第一类型终端设备根据所述资源分配信息确定与其他第一类型终端设备进行通信的链路资源。
第三方面,提供了一种无线资源调度的方法,包括:基站向第一类型终端设备和第二类型终端设备发送小区级资源池信息,其中,所述基站通过第一类型接口与所述第一类型终端设备进行通信,所述基站通第一类型接口与所述第二类型终端设备进行通信,所述第一类型终端设备与所述第二类型终端设备通过第二类型接口进行通信;所述基站接收所述第一类型终端设备发送的资源调度请求;所述基站根据所述资源调度请求向所述第一类型终端设备发送资源分配信息,以便于所述第一类型终端设备根据所述资源分配信息确定用于与其他第一类终端设备进行通信的链路资源。
第四方面,提供了一种装置,包括:资源配置模块,用于确定是否向基站和/或第二类型终端设备发送资源调度请求信息,其中,所述装置与所述基站通过第一类型接口进行通信,所述装置与所述第二类型终端设备通过第二类型接口进行通信,所述第二类型终端设备与所述基站通过第一类型接口进行通信,所述第二类型终端设备具有资源调度功能;所述资源配置模块,还用于根据确定的结果,确定用于与其他装置进行通信的链路资源。
第五方面,提供了一种装置,包括:接收模块,用于接收第一类型终端设备发送的资源调度请求信息,其中,所述装置通过第一类型接口与基站进行通信,所述第一类型终端设备通过第一类型接口与基站进行通信,所述装置通过第二类型接口与所述第一类型终端设备进行通信;发送模块,用于向所述第一类型终端设备发送资源分配信息,以便于所述第一类型终端设备根据所述资源分配信息确定与其他第一类型终端设备进行通信的链路资源。
第六方面,提供了一种装置,包括:发送模块,用于向第一类型终端设备和第二类型终端设备发送小区级资源池信息,其中,所述装置通过第一类型接口与所述第一类型终端设备进行通信,所述装置通第一类型接口与所述第二类型终端设备进行通信,所述第一类型终端设备与所述第二类型终端设备通过第二类型接口进行通信;接收模块,用于接收所述第一类型终端设备发送的资源调度请求;资源调度模块,用于根据所述资源调度请求确定资源分配信息,所述发送模块,还用于向所述第一类型终端设备发送所述资源分配信息,以便于所述第一类型终端设备根据所述资源分配信息确定用于与其他第一类终端设备进行通信的链路资源
第七方面,提供了一种无线资源调度的系统,包括:第四方面的装置、第五方面的装置和第六面的装置。
基于本发明实施例的上述技术特征,第一类型终端设备可以选择向基站或具有资源调度功能的第二类型终端设备发送资源调度请求。由此,基站和/或第二类型终端设备可以对第一类型终端设备进行调度,因此,能够避免终端间干扰,提高传输成功率、降低传输时延,保证V2V系统的性能和可靠性,扩大V2V系统的通信容量。
附图说明
为了更清楚地说明本发明实施例的技术方案,下面将对本发明实施例中所需要使用的附图作简单地介绍,显而易见地,下面所描述的附图仅仅是本发明的一些实施例,对于本领域普通技术人员来讲,在不付出创造性劳动的前提下,还可以根据这些附图获得其他的附图。
图1是现有技术中LTE V2V系统的一种部署场景的示意图;
图2是本发明实施例的LTE V2V系统的一种部署场景的示意图;
图3是根据本发明实施例的系统架构的示意图;
图4是根据本发明实施例的无线资源调度的方法的示意性流程图;
图5是根据本发明实施例的资源分配和资源池划分冲突的场景示意图;
图6是根据本发明一个具体实施例的无线资源调度的方法的示意性流程图;
图7是根据本发明实施例的第一类型终端设备执行选择资源的方法的示意性流程图;
图8是根据本发明另一实施例的无线资源调度的方法的示意性流程图;
图9是根据本发明实施例的资源池划分方法的示意图;
图10是根据本发明另一实施例的资源池划分方法的示意图;
图11是根据本发明另一个具体的实施例的无线资源调度的方法的示意性流程图;
图12是根据本发明再一实施例的无线资源调度的方法的示意性流程图;
图13是根据本发明实施例的装置的示意性框图;
图14是根据本发明实施例的装置的另一示意性框图;
图15是根据本发明实施例的装置的再一示意性框图;
图16是根据本发明另一实施例的装置的示意性框图;
图17是根据本发明再一实施例的装置的示意性框图;
图18是根据本发明再一实施例的装置的另一示意性框图;
图19是根据本发明再一实施例的装置的示意性框图;
图20是根据本发明再一实施例的装置的示意性框图;
图21是根据本发明再一实施例的装置的示意性框图。
具体实施方式
下面将结合本发明实施例中的附图,对本发明实施例中的技术方案进行清楚、完整地描述,显然,所描述的实施例是本发明的一部分实施例,而不是全部实施例。基于本发明中的实施例,本领域普通技术人员在没有做出创造性劳动的前提下所获得的所有其他实施例,都应属于本发明保护的范围。
图2是根据本发明实施例的LTE V2V系统的一种部署场景的示意图。图2中,车载单元(On board Unit,简称为“OBU”)与路侧单元(Road Side Unit,简称为“RSU”)之间能够进行通信。可选地,RSU是具有V2X终端功能的智能交通灯、交通告示牌等设备,可以为OBU提供智能交通信息,以提高安装OBU的车辆的交通效率。RSU总是安装于路旁,可以对车辆形成良好覆盖,弥补移动基站的覆盖盲区,且无需回传网络,不依赖电信运营商,可由交管部门低成本密集部署。
在本发明实施例中,RSU除了具有能够收发V2X信号的功能及被基站调度的功能外,还具有调度OBU的功能,可以在OBU终端处于没有基站覆盖(Out of Coverage)场景中代替基站,将静态/半静态资源池内的副链路 (Sidelink)资源随机选择方式转化为Sidelink资源调度方式,相当于将基站的Out of Coverage场景转化为RSU的覆盖(In Coverage)场景。
图3是根据本发明实施例的系统架构的示意图。如图3所示,该系统可以由基站与两种类型的终端(或称为:终端设备)构成,他们相互之间通过两种空中接口相互通信。
在图3所示的系统中,第一种接口为基站与终端之间的空中接口(可以简称为AI1),可选地,该第一种接口可以是蜂窝移动通信系统中的Uu接口,第二种接口为终端与终端之间的空中接口(简称为AI2),可选地,该第二种接口可以为Sidelink空中接口,例如可以是V2V接口、V2I接口等。
基站至少可以通过AI1与两种终端进行通信,能够从AI1接收终端的Sidelink资源调度请求,并且通过AI1向终端发送相应的资源分配信息,以便于终端根据资源分配信息配置其发射AI2数据及其传输参数的资源。
类型1终端可以通过AI1向基站发起AI2资源调度请求(Scheduling Request),通过AI2向类型2终端发起AI2资源调度请求,接收基站发送的AI2资源分配(Resource Grant)信息及小区级AI2资源池(Resource Pool)信息,从AI2接收来自类型2终端的AI2资源分配(Resource Grant)信息及类型2终端级AI2资源池信息;并能够在小区级AI2资源池、类型2终端级AI2资源池或预配置资源池中自行选择AI2资源,向其他类型1终端发送数据及其传输参数;并能够接收另一个终端(可以是类型1终端也可以是类型2终端)发射的AI2数据及其传输参数。
类型2终端,能够通过AI2接收来自类型1终端的AI2资源调度请求(Scheduling request),为类型1终端调度AI2资源,并通过AI2将相应的资源分配(Resource grant)信息发送给该类型1终端;并且能够通过AI1接收来自基站的小区级AI2资源池信息,根据该小区级AI2资源池信息划分类型2终端级AI2资源池,并通过AI2将该资源池信息发送给类型1终端。
需要说明的是,在本发明实施例中,小区级资源池是基站配置的,小区级资源池信息是基站向终端发送的用于指示当终端不在基站的覆盖范围内时能够使用的资源的信息。终端级资源池是具有调度资源功能的终端从小区级资源池中划分出来的,是终端在该具有调度功能的终端的部分覆盖场景中时能够使用的资源,终端级资源池信息是具有调度功能的终端向终端发送的,用于指示当该终端在该具有调度功能的终端的部分覆盖场景中时能够使 用的资源的信息。
图4是根据本发明实施例的无线资源调度的方法的示意性流程图,如图4所示,方法100包括:
S110,第一类型终端设备确定是否向基站和/或第二类型终端设备发送资源调度请求信息,其中,所述第一类型终端设备与所述基站通过第一类型接口进行通信,所述第一类型终端设备与所述第二类型终端设备通过第二类型接口进行通信,所述第二类型终端设备与所述基站通过第一类型接口进行通信,所述第二类型终端设备具有资源调度功能;
S120,所述第一类型终端设备根据确定的结果,确定用于与其他第一类型终端设备进行通信的链路资源。
因此,根据本发明实施例的无线资源调度的方法,第一类型终端设备可以选择向基站或具有资源调度功能的第二类型终端设备发送资源调度请求。由此,基站和/或第二类型终端设备可以对第一类型终端设备进行调度,因此,能够避免终端间干扰,提高传输成功率、降低传输时延,保证V2V系统的性能和可靠性,扩大V2V系统的通信容量。
并且,进一步地,第二类型终端设备在无线资源调度过程中不采用无线资源控制(Radio Resource Control,简称为“RRC”)连接方式,而采用介质访问控制(Media Access Control,简称为“MAC”)层直接传输的方式,不占用有限的物理下行控制信道(Physical Downlink Control Channel,简称为“PDCCH”)和物理上行控制信道(Physical Upwnlink Control Channel,简称为“PUCCH”),并且能够与基站形成多层调度和协同调度,因此,即使在第一类型终端设备处于没有基站覆盖或者基站部分覆盖的场景中时,也能够避免终端间的干扰,提高传输成功率及降低传输时延。
作为一个例子,第一类型终端设备可以是上文中的OBU,第二类型终端设备可以是上文中的RSU。
作为一个例子,第一类型接口对应上文中的第一种接口,第一类型接口可以为Uu接口,第二类型接口对应上文中的第二种接口,第二类型接口可以为V2V接口或V2I接口。
可选地,第一类型终端设备可以根据下列信息中的至少一种确定是否向基站和/或第二类型终端设备发送资源调度请求信息:所述第一类型终端设备是否处于所述基站和/或所述第二类型终端设备覆盖范围内并有有效连接、所 述第一类型终端设备的运动速度、所述基站的信号覆盖情况和所述第二类型终端设备的信号覆盖情况。
例如,第一类型终端设备处于基站的覆盖范围但不在第二类型终端设备的覆盖范围内,并与基站有有效连接,则第一类型终端设备选择向基站发送调度请求信息;或,当第一类型终端设备既处于基站的覆盖范围内,又处于第二类型终端设备的覆盖范围内,第一类型终端设备可以选择向两者中覆盖强度较好的一个发送资源调度请求信息。又例如,第一类型终端设备可以在运动速度较慢的时候可以选择向基站发送资源调度请求信息,请求基站为其分配链路资源;第一类型终端设备可以在基站的信号覆盖强度低于一定阈值时,选择向第二类型终端设备发送资源调度请求信息,请求第二类型终端设备为其分配链路资源。
需要说明的是,即使第一类型终端设备处于基站或第二类型终端设备的覆盖范围内并有有效连接,第一类型终端设备也可以选择既不向基站发送资源调度请求信息也不向第二类型终端设备发送资源调度请求信息,而是根据资源池信息确定所需要的链路资源。
并且,进一步地,第一类型终端设备可以既向基站发送资源调度请求信息又向第二类型终端设备发送资源调度请求信息,并且接收基站发送的针对资源调度请求信息的资源分配信息以及第二类型终端设备发送的针对资源调度请求信息的资源分配信息,之后根据基站和第二类型终端设备分别发送的资源分配信息确定链路资源。例如,如果同时接收到了基站和第二类型终端设备分别发送的有效的资源分配信息,第一类型终端设备可以根据第二类型终端设备发送的资源分配信息确定所需要的链路资源,或者根据基站发送的资源分配信息确定所需要的链路资源,本发明对此不作限定。
在本发明实施例中,可选地,第一类型终端设备可以接收基站发送的小区级资源池信息;以及接收第二类型终端设备发送的终端级资源池信息。
并且,进一步可选地,第一类终端设备在确定向基站发送资源调度请求信息时,向基站发送第一资源调度请求信息;
在接收到基站发送的资源分配信息时,将基站发送的资源分配信息指示的资源确定为所述链路资源,或,
在未接收到基站发送的资源分配信息时,确定是否向基站和/或第二类型终端设备发送资源调度请求信息,在确定不向基站和第二类型终端设备发送 资源调度请求信息时,根据小区级资源池信息和/或终端级资源池信息确定链路资源。
需要说明的是,第一类型终端设备还可以在接收到基站发送的资源分配信息时,确定该资源分配信息是否有效,在确定有效时将该资源分配信息指示的资源确定为链路资源。其中,资源分配信息有效可以理解为该资源分配信息指示的资源在预配置资源池内但是不在小区级资源池内,但本发明并不限于此。
可选地,第一类型终端设备未接收到基站发送的资源分配信息,可以理解为第一类型终端设备在向基站发送一次资源调度请求信息之后的预设时间内没有成功接收到基站发送的资源分配信息;或者,可以理解为第一类型终端设备向基站发送N次资源调度请求信息,但始终未接收到基站发送的资源分配信息,其中,预设时间可以根据实际需要设置,N的取值也可以根据实际需要设置,本发明对此不作限定。
在本发明实施例中,可选地,第一类型终端设备在确定向所述第二类型终端设备发送资源调度请求时,向所述第二类型终端设备发送第二资源调度请求信息;
在接收到所述第二类型终端设备发送的有效的资源分配信息时,将所述第二类型终端设备发送的资源分配信息指示的资源确定为所述链路资源;
在未接收到所述第二类型终端设备发送的有效的资源分配信息时,确定是否向所述基站和/或所述第二类型终端设备发送资源调度请求,
在确定不向所述基站和所述第二类型终端设备发送资源调度请求时,根据所述小区级资源池信息和/或所述终端级资源池信息确定所述链路资源。
可选地,在第二类型终端设备发送的资源分配信息指示的资源在所述小区级资源池信息指示的资源中,且第二类型终端设备发送的资源分配信息指示的资源不在终端级资源池信息指示的资源中时,可以认为该资源分配信息为有效的资源分配信息。在第二类型终端设备发送的资源分配信息指示的资源全部或部分不在小区级资源池信息指示的资源中时,或者第二类型终端设备发送的资源分配信息指示的资源在终端级资源池信息指示的资源中时,可以认为该资源分配信息为无效的资源分配信息。但本发明并不限于此。
在本发明实施例中,可选地,在第一类型终端设备根据小区级资源池信息和终端级资源池信息确定链路资源时,可以根据小区级资源池信息和终端 级资源池信息,自行选择优先采用的资源池,从优先采用的资源池中确定链路资源;或者,第一类型终端设备可以根据基站的配置选择优先采用的资源池,从该优先采用的资源池中确定链路资源。
可选地,第一类型设备可以根据标准规定的或者默认的规则自行选择优先采用的资源池。基站可以通过RRC信令将该基站的配置发送给第一类型终端设备。
可选地,作为一个实施例,上文中提到的第一类型终端设备可以自行选择优先采用的资源池,从优先采用的资源池中确定链路资源,具体可以为按照以下规则自行选择资源:
在确定所述终端级资源池信息有效时,将所述终端级资源池信息指示的资源中的部分或全部资源确定为所述链路资源;或,
在确定所述终端级资源池信息无效且所述小区级资源池信息有效时,将所述小区级资源池信息指示的资源中的部分或全部资源确定为所述链路资源;或,
在确定所述终端级资源池信息无效且所述小区级资源池信息无效时,将预配置资源池中的部分或全部资源确定为所述链路资源。
具体来说,第一类型终端设备可以根据默认规则或者基站的配置选择优先采用的资源池,如果确定优先采用小区级资源池,则确定是否接收到有效的小区级资源池信息,如果接收到有效地小区级资源池信息,则从小区级资源池中自行选择资源,如果没有接收到有效地小区级资源池信息,则确定是否接收到有效的终端级资源池信息,如果接收到有效的终端级资源池信息,则从终端级资源池中选择资源,如果没有接收到有效的终端级资源池信息,则从预配置资源池中选择资源。如果确定优先采用终端级资源池,则确定是否接收到有效的终端级资源池信息,如果接收到有效的终端级资源池信息则从终端级资源池中选择资源,如果没有接收到有效的终端级资源池信息,则确定是否接收到有效的小区级资源池信息,如果接收到有效的小区级资源池信息,则从小区级资源池中选择资源,如果没有接收到有效的小区级资源池信息,则从预配置资源池中选择资源。
并且,进一步的,在终端级资源池信息无效时,第一类型终端设备可以将终端级资源池信息指示的资源与小区级资源池指示的资源的公共部分中的部分或全部资源确定为链路资源。也就是说,第一类型终端设备可以在终 端级资源池和小区级资源池的交集中选择资源发射数据及其传输参数。
可选地,终端级资源池信息有效可以理解为终端级资源池信息指示的终端级资源池在小区级资源池信息指示的小区级资源池内,在终端级资源池指示的资源池部分或全部不在小区级资源池信息指示的小区级资源池内时,可以认为该终端级资源池信息无效,小区级资源池信息有效可以理解为第一类型终端设备成功接收到该小区级资源池信息,但本发明并限于此。
可选地,作为一个例子,即使在确定优先采用终端级资源池,且终端级资源池信息有效时,第一类型终端设备也可以直接自行或者根据基站的配置从小区级资源池中选择资源,或者即使在确定优先采用小区级资源池,且小区级资源池信息有效时,第一类型终端设备也可以直接自行或者根据基站的配置从终端级资源池中选择资源。
因此,采用本发明实施例的资源调度的方法,即使发生如图5所示的资源调度及资源池划分的冲突时,第一类型终端可以主动回避使用可能冲突的资源,避免系统性能的下降。
具体来说,在图5中,RSU的覆盖范围正好介于两个相邻小区的结合部,可能出现“RSU位于小区A的覆盖内,而RSU覆盖范围内的某些终端位于小区B覆盖内”的情况。此时RSU发给该终端的调度信息及终端级资源池信息是基于A小区的小区级资源池选择和划分的,可能和终端所处的B小区的小区级资源池有所冲突,此时如果终端仍随意使用A小区的调度和资源池,则可能干扰B小区的调度或资源池划分。而采用本发明实施例的资源调度的方法,在RSU的调度和终端级资源池划分与基站发生冲突时,终端只采用与基站不冲突的资源调度和资源池来进行数据及其传输参数的发射,避免系统性能的下降。
图6是根据本发明一个具体的实施例的无线资源调度的方法,应注意,这个例子只是为了帮助本领域技术人员更好地理解本发明实施例,而非限制本发明实施例的范围。图6的方法由类型1终端(对应上文中的第一类型终端设备)执行,如图6所示,方法200包括:
S201,通过AI1接收基站发送的小区级AI2资源池信息;
AI1为基站与类型1终端之间的接口。
S202,通过AI2接收类型2终端发送的类型2终端级AI2资源池信息;
AI2为类型2与类型1终端之间的接口。
S203,类型1终端选择是向基站发起AI2资源调度请求,还是向类型2终端发起AI2资源调度请求;
S204,如果决定向基站发起AI2资源调度请求,类型1终端通过AI1将AI2资源调度请求发送给基站;
S205,类型1终端判断是否从基站收到了有效的AI2资源分配信息;
S206,根据基站的资源分配信息,发送AI2信号;
具体地,如果类型1终端收到了来自基站的有效的AI2资源分配信息,则采用该资源分配信息指示的资源向其他的类型1终端发送AI2数据及其传输参数。如果没收到来自基站的有效的AI2资源分配信息,则回到S203,重新选择向谁发起AI2资源调度请求;
S207,如果决定向类型2终端发起AI2资源调度请求,类型1终端通过AI2将AI2资源调度请求发送给类型2终端;
S208,类型1终端判断是否从类型2终端收到了有效的AI2资源分配信息;
S209,根据类型2终端的资源分配信息,发送AI2信号;
具体地,如果类型1终端收到了来自类型2终端的有效的AI2资源分配信息,则采用该资源分配信息指示的资源向其他的类型1终端发送AI2数据及其传输参数。如果没收到来自类型2终端的有效的AI2资源分配信息,则回到S203,重新选择向谁发起AI2资源调度请求;
S210,如果在S203中,类型1终端决定不再向基站或类型2终端发起AI2资源调度请求,则从AI2资源池中自行选择资源,发送AI2数据及其传输参数。
可选地,在S210中,类型1终端可以按照如图7所示的方法进行资源的选择,如图7所示,S210具体包括:
S211,类型1终端选择优先采用小区级资源池还是优先采用类型2终端级资源池;
可选地,在S211中,类型1终端可以根据上文中描述的方法选择优先采用哪一个资源池。
S212,在类型1终端确定优先采用小区级资源池时,判断是否收到了有效的小区级AI2资源池信息;
S213,在确定收到有效的小区级AI2资源池信息时,从小区级资源池中 选择资源进行AI2信号的发送;
S214,在确定没有收到有效的小区级AI2资源池信息时,确定是否收到有效的类型2终端级AI2资源池信息;
S215,在S214中确定接收到有效的类型2终端级AI2资源池信息时,从类型2终端级AI2资源池中选择资源进行AI2信号的发送;
S216,在类型1终端确定优先采用类型2终端级资源池时,判断是否收到了有效的类型2终端级AI2资源池信息;
S217,在确定收到有效的类型2终端级AI2资源池信息时,从类型2终端级资源池中选择资源进行AI2信号的发送;
S218,在确定没有收到有效的类型2终端级AI2资源池信息时,确定是否收到有效的小区级AI2资源池信息;
S219,在S218中确定接收到有效的小区级AI2资源池信息时,从小区级级AI2资源池中选择资源进行AI2信号的发送;
S220,在S214中确定没有接收到有效的类型2终端级AI2资源池信息时,或者,在S219中确定没有接收到有效地小区级AI2资源池信息时,从预配置AI2资源池中选择资源进行AI2信号的发送。
应理解,上述各过程的序号的大小并不意味着执行顺序的先后,各过程的执行顺序应以其功能和内在逻辑确定,而不应对本发明实施例的实施过程构成任何限定。
方法200中类型1终端对应前文中的第一类型终端设备,类型2终端对应前文中的第二类型终端设备,AI1对应前文中的第一类型接口,AI2对应前文中的第二类型接口,小区级AI2资源池对应前文中的小区级资源池,类型2终端级AI2资源池对应于前文中的终端级资源池。
因此,根据本发明实施例的无线资源调度的方法,第一类型终端设备可以选择向基站或具有资源调度功能的第二类型终端设备发送资源调度请求。由此,基站和/或第二类型终端设备可以对第一类型终端设备进行调度,因此,能够避免终端间干扰,提高传输成功率、降低传输时延,保证V2V系统的性能和可靠性,扩大V2V系统的通信容量。
以上结合图4至图7从第一类型终端设备侧详细描述了根据本发明实施例的无线资源调度的方法,下面将结合图8至图11从第二类型终端设备侧详细描述根据本发明另一实施例的无线资源调度的方法。应理解,第一类型 终端设备侧描述的第二类型终端设备与第一类型终端设备的交互及相关特性、功能等与第二类型终端设备侧的描述相应,为了简洁,适当省略重复的描述。
图8示出了根据本发明另一实施例的无线资源调度的方法,如图8所示,该方法300包括:
S310,第二类型终端设备接收第一类型终端设备发送的资源调度请求信息,其中,所述第二类型终端设备通过第一类型接口与基站进行通信,所述第一类型终端设备通过第一类型接口与基站进行通信,所述第二类型终端设备通过第二类型接口与所述第一类型终端设备进行通信;
S320,所述第二类型终端设备向所述第一类型终端设备发送资源分配信息,以便于所述第一类型终端设备根据所述资源分配信息确定与其他第一类型终端设备进行通信的链路资源。
因此,根据本发明实施例的资源调度的方法,第二类型终端设备具有资源调度功能,能够在终端处于基站部分覆盖或者没有基站覆盖的场景中时,代替基站对终端的发射资源进行动态调度,提高传输成功率,降低传输时延,保证V2V系统的性能和可靠性。
并且进一步地,第二类型终端设备对资源的调度分担了基站在第一类型接口上的调度任务,减小蜂窝网络PDCCH和PUCCH的网络负荷,可以将更多控制信道资源留给蜂窝通信业务,并且可以通过在基站覆盖范围内部署多个第二类型终端设备,形成多个频率复用区域,通过更细化的频率复用,实现更高的频率利用效率。
在本发明实施例中,优选地,第二类型终端设备可以确定是否接收到基站发送的小区级资源池信息,在确定接收到基站发送的小区级资源池信息时,根据小区级资源池信息向第一类型终端设备发送终端级资源池信息,并根据资源调度请求信息、所述小区级资源池信息和所述终端级资源池信息,确定资源分配信息,之后向第一类型终端设备发送资源分配信息。
具体来说,在第二类型终端设备接收到基站发送的小区级资源池信息时,可以将小区级资源池信息指示的资源中的部分资源确定为终端级资源池,并向第一类型终端设备发送指示终端级资源池的终端级资源池信息。或者,换句话说,第二类型终端设备可以在接收到小区级资源池信息后,在小区级资源池中再进行一次划分,把小区级资源池中拿出一部分资源用于调 度,剩下的作为终端级资源池,由第一类型终端设备从中自行选择资源使用。
举例来说,如果第二类型终端设备接收到小区级资源池信息(第二类型终端设备处于基站的覆盖内(In Coverage场景),如图9所示,第二类型终端设备可以在小区级资源池信息指示的小区级资源池划分一部分资源作为终端级资源池,其余部分可以用于第二类型终端设备对第一类型终端设备的动态资源调度。
并且,进一步地,第二类型终端设备向基站发送配置信息,该配置信息指示该第二类型终端设备的相关配置,以便基站根据配置信息对第一类型终端设备进行调度。
具体来说,第二类型终端设备发送的配置信息可以包括下列信息中的任意一种:终端级资源池信息、所述第二类型终端设备的位置信息、所述第二类型终端设备的信号覆盖能力信息。
由此,通过第二类型终端设备向基站上报自身的配置信息,能够实现基站和第二类型终端设备之间的协同调度。
在本发明实施例中,可选地,在第二类型终端设备没有接收到基站发送的小区级资源池信息时,根据预配置资源池向第一类型终端设备发送终端级资源池信息;根据所述资源调调度求信息、所述预配置资源池和所述终端级资源池信息,确定资源分配信息,之后向第一类型终端设备发送资源分配信息。
具体地,第二类型终端设备将预配置资源池中的部分资源确定为终端级资源池,向第一类型终端设备发送指示终端级资源池的终端级资源池信息。
举例来说,如果第二类型终端设备没有接收到基站发送的小区级资源池信息(第二类型终端设备不再基站的覆盖范围内(Out of Coverage场景),如图10所示,第二类型终端设备可以在预置资源池中划分一部分作为终端级资源池,其余资源可以用于第二类型终端设备对第一类型终端设备进调度。
可选地,作为一个例子,所述第一类型接口为Uu接口,和/或,所述第二类型接口为V2V接口或V2I接口。
图11是根据本发明另一个具体的实施例的无线资源调度的方法,应注意,这个例子只是为了帮助本领域技术人员更好地理解本发明实施例,而非限制本发明实施例的范围。图11的方法由类型2终端(对应上文中的第二 类型终端设备)执行,如图11所示,方法400包括:
S401,通过AI1接收基站发送的小区级AI2资源池信息;
S402,类型2终端判断是否收到了基站发送的小区级AI2资源池信息;
S403,如果类型2终端收到了小区级AI2资源池信息,则基于该小区级AI2资源池信息划分类型2终端级资源池;
S404,类型2终端通过AI2将类型2终端级资源池信息发给类型1终端;
S405,类型2终端通过AI1将自己的配置信息上报给基站;
S406,类型2终端在AI2上持续监测来自类型1终端的AI2资源调度请求;
S407,类型2终端判断是否收到来自类型1终端的AI2资源调度请求;
S408,如果类型2终端收到来自类型1终端的AI2资源调度请求,则基于小区级AI2资源池和类型2终端级AI2资源池,为该类型1终端调度AI2资源,并将相应的AI2资源配置信息通过AI2发送给该类型1终端;
S409,如果类型2终端没有收到小区级AI2资源池信息,则基于预配置AI2资源池划分类型2终端级AI2资源池;
S410,类型2终端通过AI2将类型2终端级资源池信息发给类型1终端;
S411,类型2终端在AI2上持续监测来自类型1终端的AI2资源调度请求;
S412,类型2终端判断是否收到来自类型1终端的AI2资源调度请求;
S413,如果类型2终端收到来自类型1终端的AI2资源调度请求,则基于预配置AI2资源池和类型2终端级AI2资源池,为该类型1终端调度AI2资源,并将相应的AI2资源配置信息通过AI2发送给该类型1终端。
需要说明的是,方法400中类型1终端对应前文中的第一类型终端设备,类型2终端对应前文中的第二类型终端设备,AI1对应前文中的第一类型接口,AI2对应前文中的第二类型接口,并且S405是可选的步骤,也即类型2终端可以不向基站上报自己的配置信息。
因此,根据本发明实施例的无线资源调度的方法,第二类型终端设备具有资源调度功能,能够在终端处于基站部分覆盖或者没有基站覆盖的场景中时,代替基站对终端的发射资源进行动态调度,提高传输成功率,降低传输时延,保证V2V系统的性能和可靠性。
下面将结合图12从基站侧详细描述根据本发明实施例的无线资源调度 的方法,如图12所示,方法400包括:
S410,基站向第一类型终端设备和第二类型终端设备发送小区级资源池信息,其中,所述基站通过第一类型接口与所述第一类型终端设备进行通信,所述基站通第一类型接口与所述第二类型终端设备进行通信,所述第一类型终端设备与所述第二类型终端设备通过第二类型接口进行通信;
S420,所述基站接收所述第一类型终端设备发送的资源调度请求;
S430,所述基站根据所述资源调度请求向所述第一类型终端设备发送资源分配信息,以便于所述第一类型终端设备根据所述资源分配信息确定用于与其他第一类终端设备进行通信的链路资源。
因此,根据本发明实施例的无线资源调度的方法,基站可以向第二类型终端设备发送小区级资源池信息,并且第二类型终端设备具有资源调度功能,因此,在终端设备处于基站覆盖范围内时,可以通过基站对终端设备进行调度,在终端设备在终端处于基站部分覆盖或者没有基站覆盖的场景中时,可以通过第二类型终端设备对终端的发射资源进行动态调度。由此,能够提高传输成功率,降低传输时延,保证V2V系统的性能和可靠性。
在本发明实施例中,可选地,基站可以接收第二类型终端设备发送的配置信息,所述配置信息指示所述第二类型终端设备的相关配置,以便所述基站根据所述配置信息对所述第一类型终端设备进行调度。
在本发明实施例中,可选地,所述配置信息包括下列信息中的任意一种:终端级资源池信息、所述第二类型终端设备的位置信息、所述第二类型终端设备的信号覆盖能力信息。
可选地,作为一个例子,所述第一类型接口为Uu接口,和/或,所述第二类型接口为V2V接口或V2I接口。
因此,根据本发明实施例的无线资源调度的方法,基站可以向第二类型终端设备发送小区级资源池信息,并且第二类型终端设备具有资源调度功能,因此,在终端设备处于基站覆盖范围内时,可以通过基站对终端设备进行调度,在在终端设备在终端处于基站部分覆盖或者没有基站覆盖的场景中时,可以通过第二类型终端设备对终端的发射资源进行动态调度。由此,能够提高传输成功率,降低传输时延,保证V2V系统的性能和可靠性。
下面将结合图13详细描述根据本发明实施例的装置,如图所示,装置10包括:
资源配置模块11,用于确定是否向基站和/或第二类型终端设备发送资源调度请求信息,其中,所述装置与所述基站通过第一类型接口进行通信,所述装置与所述第二类型终端设备通过第二类型接口进行通信,所述第二类型终端设备与所述基站通过第一类型接口进行通信,所述第二类型终端设备具有资源调度功能;
所述资源配置模块11,还用于根据确定的结果,确定用于与其他装置进行通信的链路资源。
因此,本发明实施例的装置可以选择向基站或具有资源调度功能的第二类型终端设备发送资源调度请求信息。由此,基站和/或第二类型终端设备可以对第一类型终端设备进行调度,因此,能够避免终端间干扰,提高传输成功率、降低传输时延,保证V2V系统的性能和可靠性,扩大V2V系统的通信容量。
可选地,如图14所示,所述装置还包括:
接收模块12,用于接收所述基站发送的小区级资源池信息;
所述接收模块12,还用于接收所述第二类型终端设备发送的终端级资源池信息。
可选地,如图15所示,所述装置还包括:
发送模块13,用于在所述资源配置模块11确定向所述基站发送资源调度请求信息时,向所述基站发送第一资源调度请求信息;
其中,所述资源配置模块11用于:
在所述接收模块12接收到所述基站发送的资源分配信息时,将所述基站发送的资源分配信息指示的资源确定为所述链路资源,或,
在所述接收模块12未接收到所述基站发送的资源分配信息时,确定是否向所述基站和/或所述第二类型终端设备发送资源调度请求信息,
在确定不向所述基站和所述第二类型终端设备发送资源调度请求信息时,根据所述小区级资源池信息和/或所述终端级资源池信息确定所述链路资源。
在本发明实施例中,可选地,发送模块13,用于在确定向所述第二类型终端设备发送资源调度请求时,向所述第二类型终端设备发送第二资源调度请求信息;
其中,所述资源配置模块11用于:
在所述接收模块12接收到所述第二类型终端设备发送的有效的资源分配信息时,将所述第二类型终端设备发送的资源分配信息指示的资源确定为所述链路资源;或,
在所述接收模块12未接收到所述第二类型终端设备发送的有效的资源分配信息时,确定是否向所述基站和/或所述第二类型终端设备发送资源调度请求,
在确定不向所述基站和所述第二类型终端设备发送资源调度请求时,根据所述小区级资源池信息和/或所述终端级资源池信息确定所述链路资源。
在本发明实施例中,可选地,发送模块13,用于在所述资源配置模块11确定向所述基站和所述第二类型终端设备发送资源调度请求信息时,向所述基站发送第三资源调度请求信息,且向所述第二类型终端设备发送第四资源调度请求信息;
其中,所述接收模块12用于:
接收所述基站发送的针对所述第三资源调度请求信息的资源分配信息;
接收所述第二类型终端设备发送的针对所述第四资源调度请求信息的资源分配信息;
其中,所述资源配置模块11用于:
根据所述针对所述第三资源调度请求信息的资源分配信息和所述针对所述第四资源调度请求信息的资源分配信息,确定所述链路资源。
在本发明实施例中,可选地,所述资源配置模块11还用于:
在确定不向所述基站和所述第二类型终端设备发送资源调度请求时,根据所述小区级资源池信息和所述终端级资源池信息,确定所述链路资源。
在本发明实施例中,可选地,所述资源配置模块11具体用于:
根据所述小区级资源池信息和所述终端级资源池信息,自行选择优先采用的资源池,
从所述优先采用的资源池中确定所述链路资源;或,
根据所述基站的配置选择优先采用的资源池,
从所述优先采用的资源池中确定所述链路资源。
在本发明实施例中,可选地,所述资源配置模块11具体用于:
在确定所述终端级资源池信息有效时,将所述终端级资源池信息指示的资源中的部分或全部资源确定为所述链路资源;或,
在确定所述终端级资源池信息无效且所述小区级资源池信息有效时,将所述小区级资源池信息指示的资源中的部分或全部资源确定为所述链路资源;或,
在确定所述终端级资源池信息无效且所述小区级资源池信息无效时,将预配置资源池中的部分或全部资源确定为所述链路资源。
在本发明实施例中,可选地,所述资源配置模块11还用于:
在确定所述终端级资源池信息无效时,将所述终端级资源池信息指示的资源与所述小区级资源池指示信息指示的资源的公共部分中的部分或全部资源确定为所述链路资源。
在本发明实施例中,可选地,所述资源配置模块11具体用于:
根据下列信息中的至少一种确定是否向所述基站和/或所述第二类型终端设备发送资源调度请求信息:所述装置是否处于所述基站和/或所述第二类型终端设备覆盖范围内并有有效连接、所述装置的运动速度、所述基站的信号覆盖情况和所述第二类型终端设备的信号覆盖情况。
在本发明实施例中,可选地,所述第一类型接口为Uu接口,和/或,所述第二类型接口为V2V接口或V2I接口。
在本发明实施例中,可选地,所述装置为车载单元OBU,和/或,所述第二类型终端设备为路侧单元RSU。
应注意,本发明实施例中,资源配置模块11可以由处理器实现,接收模块12可以由接收器实现,发送模块13可以由发送器实现。如图16所示,装置100可以包括处理器101、接收器102、发送器103和存储器104。其中,存储器104可以用于存储处理器101执行的代码等。
装置100中的各个组件通过总线系统105耦合在一起,其中总线系统105除包括数据总线之外,还包括电源总线、控制总线和状态信号总线。
图13至图15所示的装置10或图16所示的装置100能够实现前述图4的方法实施例中所实现的各个过程,为避免重复,这里不再赘述。
下面将结合图17详细描述根据本发明再一实施例的装置,如图17所示,装置20包括:
接收模块21,用于接收第一类型终端设备发送的资源调度请求信息,其中,所述装置通过第一类型接口与基站进行通信,所述第一类型终端设备通过第一类型接口与基站进行通信,所述装置通过第二类型接口与所述第一类 型终端设备进行通信;
发送模块22,用于向所述第一类型终端设备发送资源分配信息,以便于所述第一类型终端设备根据所述资源分配信息确定与其他第一类型终端设备进行通信的链路资源。
因此,根据本发明实施例的装置具有资源调度功能,能够在终端处于基站部分覆盖或者没有基站覆盖的场景中时,代替基站对终端的发射资源进行动态调度,提高传输成功率,降低传输时延,保证V2V系统的性能和可靠性。
在本发明实施例中,可选地,如图18所示,所述装置还包括:
资源调度模块23,用于确定所述接收模块是否接收到所述基站发送的小区级资源池信息;
其中,所述发送模块22具体用于:在所述资源调度模块确定所述接收模块收到所述基站发送的小区级资源池信息时,根据所述小区级资源池信息向所述第一类型终端设备发送终端级资源池信息;
所述资源调度模块23,还用于根据所述资源调度请求信息、所述小区级资源池信息和所述终端级资源池信息,确定所述资源分配信息;
所述发送模块22,还用于向所述第一类型终端设备发送所述资源分配信息。
在本发明实施例中,可选地,所述资源调度模块23具体用于:
将所述小区级资源池信息指示的资源中的部分资源确定为终端级资源池;
其中,所述发送模块22具体用于:
向所述第一类型终端设备发送指示所述终端级资源池的终端级资源池信息。
在本发明实施例中,可选地,所述发送模块22还用于:
所述基站发送配置信息,所述配置信息指示所述装置的相关配置,以便所述基站根据所述配置信息对所述第一类型终端设备进行调度。
在本发明实施例中,可选地,所述配置信息包括下列信息中的任意一种:终端级资源池信息、所述装置的位置信息、所述装置的信号覆盖能力信息。
在本发明实施例中,可选地,资源调度模块23,用于确定所述接收模块是否接收到所述基站发送的小区级资源池信息;
其中,所述发送模块22具体用于:在所述资源调度模块23确定所述接收模块21没有接收到所述基站发送的小区级资源池信息时,根据预配置资源池向所述第一类型终端设备发送终端级资源池信息;
所述资源调度模块23,还用于根据所述资源调度请求信息、所述预配置资源池和所述终端级资源池信息,确定所述资源分配信息;
所述发送模块22,还用于向所述第一类型终端设备发送所述资源分配信息。
在本发明实施例中,可选地,所述资源调度模块23具体用于:
将所述预配置资源池中的部分资源确定为终端级资源池;
其中,所述发送模块22具体用于:
向所述第一类型终端设备发送指示所述终端级资源池的终端级资源池信息。
在本发明实施例中,可选地,所述第一类型接口为Uu接口,和/或,所述第二类型接口为V2V接口或V2I接口。
在本发明实施例中,可选地,所述第一类型终端设备为车载设备OBU,和/或,所述装置为路侧单元RSU。
应注意,本发明实施例中,接收模块21可以由接收器实现,发送模块22可以由发送器实现,资源配置模块23可以由处理器实现。如图19所示,装置200可以包括处理器201、接收器202、发送器203和存储器204。其中,存储器204可以用于存储处理器201执行的代码等。
装置200中的各个组件通过总线系统205耦合在一起,其中总线系统205除包括数据总线之外,还包括电源总线、控制总线和状态信号总线。
图17或图18所示的装置20或图19所示的装置200能够实现前述图8的方法实施例中所实现的各个过程,为避免重复,这里不再赘述。
下面将结合图20详细描述根据本发明再一实施例的装置,如图20所示,该装置30包括:
发送模块31,用于向第一类型终端设备和第二类型终端设备发送小区级资源池信息,其中,所述装置通过第一类型接口与所述第一类型终端设备进行通信,所述装置通第一类型接口与所述第二类型终端设备进行通信,所述第一类型终端设备与所述第二类型终端设备通过第二类型接口进行通信;
接收模块32,用于接收所述第一类型终端设备发送的资源调度请求;
资源调度模块33,用于根据所述资源所述调度请求确定资源分配信息;
所述发送模块31,还用于向所述第一类型终端设备发送所述资源分配信息,以便于所述第一类型终端设备根据所述资源分配信息确定用于与其他第一类终端设备进行通信的链路资源。
因此,根据本发明实施例的装置可以向第二类型终端设备发送小区级资源池信息,并且第二类型终端设备具有资源调度功能,因此,该装置和第二类型终端设备均可以对终端的发射资源进行动态调度。由此,能够提高传输成功率,降低传输时延,保证V2V系统的性能和可靠性。
在本发明实施例中,可选地,所述接收模块32还用于:
接收所述第二类型终端设备发送的配置信息,所述配置信息指示所述第二类型终端设备的相关配置,以便所述装置根据所述配置信息对所述第一类型终端设备进行调度。
在本发明实施例中,可选地,所述配置信息包括下列信息中的任意一种:终端级资源池信息、所述第二类型终端设备的位置信息、所述第二类型终端设备的信号覆盖能力信息。
在本发明实施例中,可选地,所述第一类型接口为Uu接口,和/或,所述第二类型接口为V2V接口或V2I接口。
在本发明实施例中,可选地,所述装置为基站,和/或,所述第一类型终端设备为车载单元OBU,和/或所述第二类型终端设备为路侧单元RSU。
应注意,本发明实施例中,发送模块31可以由发送器实现,接收模块32可以由接收器实现,资源调度模块33可以由处理器301实现。如图21所示,装置300可以包括处理器301、接收器302、发送器303和存储器304。其中,存储器304可以用于存储处理器301执行的代码等。
装置300中的各个组件通过总线系统305耦合在一起,其中总线系统305除包括数据总线之外,还包括电源总线、控制总线和状态信号总线。
图20所示的装置30或图21所示的装置300能够实现前述图12的方法实施例中所实现的各个过程,为避免重复,这里不再赘述。
本发明实施例还提供了一种无线资源调度的系统,包括前述图13至图15中任一图所示的装置10、前述图17或图18中所示的装置20、以及图20中所示的装置30。
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。
在本申请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。例如,以上所描述的装置实施例仅仅是示意性的,例如,所述单元的划分,仅仅为一种逻辑功能划分,实际实现时可以有另外的划分方式,例如多个单元或组件可以结合或者可以集成到另一个系统,或一些特征可以忽略,或不执行。另一点,所显示或讨论的相互之间的耦合或直接耦合或通信连接可以是通过一些接口,装置或单元的间接耦合或通信连接,可以是电性,机械或其它的形式。
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(ROM,Read-Only Memory)、随机存取存储器(RAM,Random Access Memory)、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 (50)

  1. 一种无线资源调度的方法,其特征在于,所述方法包括:
    第一类型终端设备确定是否向基站和/或第二类型终端设备发送资源调度请求信息,其中,所述第一类型终端设备与所述基站通过第一类型接口进行通信,所述第一类型终端设备与所述第二类型终端设备通过第二类型接口进行通信,所述第二类型终端设备与所述基站通过第一类型接口进行通信,所述第二类型终端设备具有资源调度功能;
    所述第一类型终端设备根据确定的结果,确定用于与其他第一类型终端设备进行通信的链路资源。
  2. 根据权利要求1所述的方法,其特征在于,所述方法还包括:
    所述第一类型终端设备接收所述基站发送的小区级资源池信息;
    所述第一类型终端设备接收所述第二类型终端设备发送的终端级资源池信息。
  3. 根据权利要求2所述的方法,其特征在于,所述第一类型终端设备根据确定的结果,确定用于与其他第一类型终端设备进行通信的链路资源,包括:
    在确定向所述基站发送资源调度请求信息时,向所述基站发送第一资源调度请求信息;
    在接收到所述基站发送的资源分配信息时,将所述基站发送的资源分配信息指示的资源确定为所述链路资源,或,
    在未接收到所述基站发送的资源分配信息时,确定是否向所述基站和/或所述第二类型终端设备发送资源调度请求信息,
    在确定不向所述基站和所述第二类型终端设备发送资源调度请求信息时,根据所述小区级资源池信息和/或所述终端级资源池信息确定所述链路资源。
  4. 根据权利要求2所述的方法,其特征在于,所述第一类型终端设备根据确定的结果,确定用于与其他第一类型终端设备进行通信的链路资源,包括:
    在确定向所述第二类型终端设备发送资源调度请求时,向所述第二类型终端设备发送第二资源调度请求信息;或,
    在接收到所述第二类型终端设备发送的有效的资源分配信息时,将所述 第二类型终端设备发送的资源分配信息指示的资源确定为所述链路资源;
    在未接收到所述第二类型终端设备发送的有效的资源分配信息时,确定是否向所述基站和/或所述第二类型终端设备发送资源调度请求,
    在确定不向所述基站和所述第二类型终端设备发送资源调度请求时,根据所述小区级资源池信息和/或所述终端级资源池信息确定所述链路资源。
  5. 根据权利要求2所述的方法,其特征在于,所述第一类型终端设备根据确定的结果,确定用于与其他第一类型终端设备进行通信的链路资源,包括:
    在确定向所述基站和所述第二类型终端设备发送资源调度请求信息时,向所述基站发送第三资源调度请求信息,且向所述第二类型终端设备发送第四资源调度请求信息;
    接收所述基站发送的针对所述第三资源调度请求信息的资源分配信息;
    接收所述第二类型终端设备发送的针对所述第四资源调度请求信息的资源分配信息;
    根据所述针对所述第三资源调度请求信息的资源分配信息和所述针对所述第四资源调度请求信息的资源分配信息,确定所述链路资源。
  6. 根据权利要求2所述的方法,其特征在于,所述第一类型终端设备根据确定的结果,确定用于与其他第一类型终端设备进行通信的链路资源,包括:
    在确定不向所述基站和所述第二类型终端设备发送资源调度请求时,根据所述小区级资源池信息和所述终端级资源池信息,确定所述链路资源。
  7. 根据权利要求3或4或6所述的方法,其特征在于,所述根据所述小区级资源池信息和所述终端级资源池信息,确定所述链路资源,包括:
    根据所述小区级资源池信息和所述终端级资源池信息,自行选择优先采用的资源池,
    从所述优先采用的资源池中确定所述链路资源;或,
    根据所述基站的配置选择优先采用的资源池,
    从所述优先采用的资源池中确定所述链路资源。
  8. 根据权利要求7中所述的方法,其特征在于,所述自行选择优先采用的资源池,从所述优先采用的资源池中确定所述链路资源,包括:
    在确定所述终端级资源池信息有效时,将所述终端级资源池信息指示的 资源中的部分或全部资源确定为所述链路资源;或,
    在确定所述终端级资源池信息无效且所述小区级资源池信息有效时,将所述小区级资源池信息指示的资源中的部分或全部资源确定为所述链路资源;或,
    在确定所述终端级资源池信息无效且所述小区级资源池信息无效时,将预配置资源池中的部分或全部资源确定为所述链路资源。
  9. 根据权利要求7所述的方法,其特征在于,所述自行选择优先采用的资源池,从所述优先采用的资源池中确定所述链路资源,包括:
    在确定所述终端级资源池信息无效时,将所述终端级资源池信息指示的资源与所述小区级资源池指示信息指示的资源的公共部分中的部分或全部资源确定为所述链路资源。
  10. 根据权利要求1至9中任一项所述的方法,其特征在于,所述第一类型终端设备确定是否向所述基站和/或所述第二类型终端设备发送资源调度请求信息,包括:
    所述第一类型终端设备根据下列信息中的至少一种确定是否向所述基站和/或所述第二类型终端设备发送资源调度请求信息:所述第一类型终端设备是否处于所述基站和/或所述第二类型终端设备覆盖范围内并有有效连接、所述第一类型终端设备的运动速度、所述基站的信号覆盖情况和所述第二类型终端设备的信号覆盖情况。
  11. 根据权利要求1至10中任一项所述的方法,其特征在于,所述第一类型接口为Uu接口,和/或,所述第二类型接口为V2V接口或V2I接口。
  12. 一种无线资源调度方法,其特征在于,所述方法包括:
    第二类型终端设备接收第一类型终端设备发送的资源调度请求信息,其中,所述第二类型终端设备通过第一类型接口与基站进行通信,所述第一类型终端设备通过第一类型接口与基站进行通信,所述第二类型终端设备通过第二类型接口与所述第一类型终端设备进行通信;
    所述第二类型终端设备向所述第一类型终端设备发送资源分配信息,以便于所述第一类型终端设备根据所述资源分配信息确定与其他第一类型终端设备进行通信的链路资源。
  13. 根据权利要求12所述的方法,其特征在于,所述方法还包括:
    所述第二类型终端设备确定是否接收到所述基站发送的小区级资源池 信息;
    其中,所述第二类型终端设备向所述第一类型终端设备发送资源分配信息,包括:
    在确定收到所述基站发送的小区级资源池信息时,根据所述小区级资源池信息向所述第一类型终端设备发送终端级资源池信息;
    根据所述资源调度请求信息、所述小区级资源池信息和所述终端级资源池信息,确定所述资源分配信息;
    向所述第一类型终端设备发送所述资源分配信息。
  14. 根据权利要求13所述的方法,其特征在于,所述在确定收到所述基站发送的小区级资源池信息时,根据所述小区级资源池信息向所述第一类型终端设备发送终端级资源池信息,包括:
    将所述小区级资源池信息指示的资源中的部分资源确定为终端级资源池;
    向所述第一类型终端设备发送指示所述终端级资源池的终端级资源池信息。
  15. 根据权利要求14所述的方法,其特征在于,所述方法还包括:
    所述第二类型终端设备向所述基站发送配置信息,所述配置信息指示所述第二类型终端设备的相关配置,以便所述基站根据所述配置信息对所述第一类型终端设备进行调度。
  16. 根据权利要求15所述的方法,其特征在于,所述配置信息包括下列信息中的任意一种:终端级资源池信息、所述第二类型终端设备的位置信息、所述第二类型终端设备的信号覆盖能力信息。
  17. 根据权利要求12所述的方法,其特征在于,所述方法还包括:
    所述第二类型终端设备确定是否接收到所述基站发送的小区级资源池信息;
    其中,所述第二类型终端设备向所述第一类型终端设备发送资源分配信息,包括:
    在确定没有接收到所述基站发送的小区级资源池信息时,根据预配置资源池向所述第一类型终端设备发送终端级资源池信息;
    根据所述资源调度请求信息、所述预配置资源池和所述终端级资源池信息,确定所述资源分配信息;
    向所述第一类型终端设备发送所述资源分配信息。
  18. 根据权利要求17所述的方法,其特征在于,所述根据预配置资源池向所述第一类型终端设备发送终端级资源池信息,包括:
    将所述预配置资源池中的部分资源确定为终端级资源池;
    向所述第一类型终端设备发送指示所述终端级资源池的终端级资源池信息。
  19. 根据权利要求12至18中任一项所述的方法,其特征在于,所述第一类型接口为Uu接口,和/或,所述第二类型接口为V2V接口或V2I接口。
  20. 一种无线资源调度方法,其特征在于,所述方法包括:
    基站向第一类型终端设备和第二类型终端设备发送小区级资源池信息,其中,所述基站通过第一类型接口与所述第一类型终端设备进行通信,所述基站通第一类型接口与所述第二类型终端设备进行通信,所述第一类型终端设备与所述第二类型终端设备通过第二类型接口进行通信;
    所述基站接收所述第一类型终端设备发送的资源调度请求;
    所述基站根据所述资源调度请求向所述第一类型终端设备发送资源分配信息,以便于所述第一类型终端设备根据所述资源分配信息确定用于与其他第一类终端设备进行通信的链路资源。
  21. 根据权利要求20所述的方法,其特征在于,所述方法还包括:
    所述基站接收所述第二类型终端设备发送的配置信息,所述配置信息指示所述第二类型终端设备的相关配置,以便所述基站根据所述配置信息对所述第一类型终端设备进行调度。
  22. 根据权利要求21所述的方法,其特征在于,所述配置信息包括下列信息中的任意一种:终端级资源池信息、所述第二类型终端设备的位置信息、所述第二类型终端设备的信号覆盖能力信息。
  23. 根据权利要求20至22中任一项所述的方法,其特征在于,所述第一类型接口为Uu接口,和/或,所述第二类型接口为V2V接口或V2I接口。
  24. 一种装置,其特征在于,所述装置包括:
    资源配置模块,用于确定是否向基站和/或第二类型终端设备发送资源调度请求信息,其中,所述装置与所述基站通过第一类型接口进行通信,所述装置与所述第二类型终端设备通过第二类型接口进行通信,所述第二类型终端设备与所述基站通过第一类型接口进行通信,所述第二类型终端设备具有 资源调度功能;
    所述资源配置模块,还用于根据确定的结果,确定用于与其他装置进行通信的链路资源。
  25. 根据权利要求24所述的装置,其特征在于,所述装置还包括:
    接收模块,用于接收所述基站发送的小区级资源池信息;
    所述接收模块,还用于接收所述第二类型终端设备发送的终端级资源池信息。
  26. 根据权利要求25所述的装置,其特征在于,所述装置还包括:
    发送模块,用于在所述资源配置模块确定向所述基站发送资源调度请求信息时,向所述基站发送第一资源调度请求信息;
    其中,所述资源配置模块用于:
    在所述接收模块接收到所述基站发送的资源分配信息时,将所述基站发送的资源分配信息指示的资源确定为所述链路资源,或,
    在所述接收模块未接收到所述基站发送的资源分配信息时,确定是否向所述基站和/或所述第二类型终端设备发送资源调度请求信息,
    在确定不向所述基站和所述第二类型终端设备发送资源调度请求信息时,根据所述小区级资源池信息和/或所述终端级资源池信息确定所述链路资源。
  27. 根据权利要求25所述的装置,其特征在于,所述装置还包括:
    发送模块,用于在确定向所述第二类型终端设备发送资源调度请求时,向所述第二类型终端设备发送第二资源调度请求信息;
    其中,所述资源配置模块用于:
    在所述接收模块接收到所述第二类型终端设备发送的有效的资源分配信息时,将所述第二类型终端设备发送的资源分配信息指示的资源确定为所述链路资源;或,
    在所述接收模块未接收到所述第二类型终端设备发送的有效的资源分配信息时,确定是否向所述基站和/或所述第二类型终端设备发送资源调度请求,
    在确定不向所述基站和所述第二类型终端设备发送资源调度请求时,根据所述小区级资源池信息和/或所述终端级资源池信息确定所述链路资源。
  28. 根据权利要求25所述的装置,其特征在于,所述装置还包括:
    发送模块,用于在所述资源配置模块确定向所述基站和所述第二类型终端设备发送资源调度请求信息时,向所述基站发送第三资源调度请求信息,且向所述第二类型终端设备发送第四资源调度请求信息;
    其中,所述接收模块用于:
    接收所述基站发送的针对所述第三资源调度请求信息的资源分配信息;
    接收所述第二类型终端设备发送的针对所述第四资源调度请求信息的资源分配信息;
    其中,所述资源配置模块用于:
    根据所述针对所述第三资源调度请求信息的资源分配信息和所述针对所述第四资源调度请求信息的资源分配信息,确定所述链路资源。
  29. 根据权利要求25所述的装置,其特征在于,所述资源配置模块还用于:
    在确定不向所述基站和所述第二类型终端设备发送资源调度请求时,根据所述小区级资源池信息和所述终端级资源池信息,确定所述链路资源。
  30. 根据权利要求26或27或29所述的装置,其特征在于,所述资源配置模块具体用于:
    根据所述小区级资源池信息和所述终端级资源池信息,自行选择优先采用的资源池,
    从所述优先采用的资源池中确定所述链路资源;或,
    根据所述基站的配置选择优先采用的资源池,
    从所述优先采用的资源池中确定所述链路资源。
  31. 根据权利要求30所述的装置,其特征在于,所述资源配置模块具体用于:
    在确定所述终端级资源池信息有效时,将所述终端级资源池信息指示的资源中的部分或全部资源确定为所述链路资源;或,
    在确定所述终端级资源池信息无效且所述小区级资源池信息有效时,将所述小区级资源池信息指示的资源中的部分或全部资源确定为所述链路资源;或,
    在确定所述终端级资源池信息无效且所述小区级资源池信息无效时,将预配置资源池中的部分或全部资源确定为所述链路资源。
  32. 根据权利要求30所述的装置,其特征在于,所述资源配置模块还 用于:
    在确定所述终端级资源池信息无效时,将所述终端级资源池信息指示的资源与所述小区级资源池指示信息指示的资源的公共部分中的部分或全部资源确定为所述链路资源。
  33. 根据权利要求24至32中任一项所述的装置,其特征在于,所述资源配置模块具体用于:
    根据下列信息中的至少一种确定是否向所述基站和/或所述第二类型终端设备发送资源调度请求信息:所述装置是否处于所述基站和/或所述第二类型终端设备覆盖范围内并有有效连接、所述装置的运动速度、所述基站的信号覆盖情况和所述第二类型终端设备的信号覆盖情况。
  34. 根据权利要求24至33中任一项所述的装置,其特征在于,所述第一类型接口为Uu接口,和/或,所述第二类型接口为V2V接口或V2I接口。
  35. 根据权利要求24至34中任一项所述的装置,其特征在于,所述装置为车载单元OBU,和/或,所述第二类型终端设备为路侧单元RSU。
  36. 一种装置,其特征在于,所述装置包括:
    接收模块,用于接收第一类型终端设备发送的资源调度请求信息,其中,所述装置通过第一类型接口与基站进行通信,所述第一类型终端设备通过第一类型接口与基站进行通信,所述装置通过第二类型接口与所述第一类型终端设备进行通信;
    发送模块,用于向所述第一类型终端设备发送资源分配信息,以便于所述第一类型终端设备根据所述资源分配信息确定与其他第一类型终端设备进行通信的链路资源。
  37. 根据权利要求36所述的装置,其特征在于,所述装置还包括:
    资源调度模块,用于确定所述接收模块是否接收到所述基站发送的小区级资源池信息;
    其中,所述发送模块具体用于:在所述资源调度模块确定所述接收模块收到所述基站发送的小区级资源池信息时,根据所述小区级资源池信息向所述第一类型终端设备发送终端级资源池信息;
    所述资源调度模块,还用于根据所述资源调度请求信息、所述小区级资源池信息和所述终端级资源池信息,确定所述资源分配信息;
    所述发送模块,还用于向所述第一类型终端设备发送所述资源分配信 息。
  38. 根据权利要求37所述的装置,其特征在于,所述资源调度模块具体用于:
    将所述小区级资源池信息指示的资源中的部分资源确定为终端级资源池;
    其中,所述发送模块具体用于:
    向所述第一类型终端设备发送指示所述终端级资源池的终端级资源池信息。
  39. 根据权利要求38所述的装置,其特征在于,所述发送模块还用于:
    所述基站发送配置信息,所述配置信息指示所述装置的相关配置,以便所述基站根据所述配置信息对所述第一类型终端设备进行调度。
  40. 根据权利要求39所述的装置,其特征在于,所述配置信息包括下列信息中的任意一种:终端级资源池信息、所述装置的位置信息、所述装置的信号覆盖能力信息。
  41. 根据权利要求36所述的装置,其特征在于,所述装置还包括:
    资源调度模块,用于确定所述接收模块是否接收到所述基站发送的小区级资源池信息;
    其中,所述发送模块具体用于:在所述资源调度模块确定所述接收模块没有接收到所述基站发送的小区级资源池信息时,根据预配置资源池向所述第一类型终端设备发送终端级资源池信息;
    所述资源调度模块,还用于根据所述资源调度请求信息、所述预配置资源池和所述终端级资源池信息,确定所述资源分配信息;
    所述发送模块,还用于向所述第一类型终端设备发送所述资源分配信息。
  42. 根据权利要求42所述的装置,其特征在于,所述资源调度模块具体用于:
    将所述预配置资源池中的部分资源确定为终端级资源池;
    其中,所述发送模块具体用于:
    向所述第一类型终端设备发送指示所述终端级资源池的终端级资源池信息。
  43. 根据权利要求35至42中任一项所述的装置,其特征在于,所述第 一类型接口为Uu接口,和/或,所述第二类型接口为V2V接口或V2I接口。
  44. 根据权利要求35至43中任一项所述的装置,其特征在于,所述第一类型终端设备为车载设备OBU,和/或,所述装置为路侧单元RSU。
  45. 一种装置,其特征在于,所述装置包括:
    发送模块,用于向第一类型终端设备和第二类型终端设备发送小区级资源池信息,其中,所述装置通过第一类型接口与所述第一类型终端设备进行通信,所述装置通第一类型接口与所述第二类型终端设备进行通信,所述第一类型终端设备与所述第二类型终端设备通过第二类型接口进行通信;
    接收模块,用于接收所述第一类型终端设备发送的资源调度请求;
    资源调度模块,用于根据所述资源调度请求确定资源分配信息;
    所述发送模块,还用于向所述第一类型终端设备发送所述资源分配信息,以便于所述第一类型终端设备根据所述资源分配信息确定用于与其他第一类终端设备进行通信的链路资源。
  46. 根据权利要求45所述的装置,其特征在于,所述接收模块还用于:
    接收所述第二类型终端设备发送的配置信息,所述配置信息指示所述第二类型终端设备的相关配置,以便所述装置根据所述配置信息对所述第一类型终端设备进行调度。
  47. 根据权利要求46所述的装置,其特征在于,所述配置信息包括下列信息中的任意一种:终端级资源池信息、所述第二类型终端设备的位置信息、所述第二类型终端设备的信号覆盖能力信息。
  48. 根据权利要求45至47中任一项所述的装置,其特征在于,所述第一类型接口为Uu接口,和/或,所述第二类型接口为V2V接口或V2I接口。
  49. 根据权利要求45至48中任一项所述的装置,其特征在于,所述装置为基站,和/或,所述第一类型终端设备为车载单元OBU,和/或所述第二类型终端设备未路侧单元RSU。
  50. 一种无线资源调度的系统,其特征在于,所述系统包括权利要求24至35中任一项所述的装置、权利要求36至44中任一项所述的装置和权利要求45至49中任一项所述的装置。
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