WO2017133592A1 - 资源申请、分配方法，ue、网络控制单元和存储介质 - Google Patents

资源申请、分配方法，ue、网络控制单元和存储介质 Download PDF

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Publication number
WO2017133592A1
WO2017133592A1 PCT/CN2017/072472 CN2017072472W WO2017133592A1 WO 2017133592 A1 WO2017133592 A1 WO 2017133592A1 CN 2017072472 W CN2017072472 W CN 2017072472W WO 2017133592 A1 WO2017133592 A1 WO 2017133592A1
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Prior art keywords
information
resource
low
latency service
user equipment
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PCT/CN2017/072472
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English (en)
French (fr)
Inventor
罗薇
陈琳
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中兴通讯股份有限公司
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Priority to US16/075,118 priority Critical patent/US11818747B2/en
Publication of WO2017133592A1 publication Critical patent/WO2017133592A1/zh
Priority to US18/491,454 priority patent/US20240049274A1/en

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L67/00—Network arrangements or protocols for supporting network services or applications
    • H04L67/01—Protocols
    • H04L67/12—Protocols specially adapted for proprietary or special-purpose networking environments, e.g. medical networks, sensor networks, networks in vehicles or remote metering networks
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/50—Allocation or scheduling criteria for wireless resources
    • H04W72/56—Allocation or scheduling criteria for wireless resources based on priority criteria
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
    • H04W4/30—Services specially adapted for particular environments, situations or purposes
    • H04W4/40—Services specially adapted for particular environments, situations or purposes for vehicles, e.g. vehicle-to-pedestrians [V2P]
    • H04W4/44—Services specially adapted for particular environments, situations or purposes for vehicles, e.g. vehicle-to-pedestrians [V2P] for communication between vehicles and infrastructures, e.g. vehicle-to-cloud [V2C] or vehicle-to-home [V2H]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
    • H04W4/02—Services making use of location information
    • H04W4/021—Services related to particular areas, e.g. point of interest [POI] services, venue services or geofences
    • H04W4/022—Services related to particular areas, e.g. point of interest [POI] services, venue services or geofences with dynamic range variability
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
    • H04W4/02—Services making use of location information
    • H04W4/025—Services making use of location information using location based information parameters
    • H04W4/027—Services making use of location information using location based information parameters using movement velocity, acceleration information
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
    • H04W4/30—Services specially adapted for particular environments, situations or purposes
    • H04W4/40—Services specially adapted for particular environments, situations or purposes for vehicles, e.g. vehicle-to-pedestrians [V2P]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/04—Wireless resource allocation
    • H04W72/044—Wireless resource allocation based on the type of the allocated resource
    • H04W72/0446—Resources in time domain, e.g. slots or frames
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/20—Control channels or signalling for resource management
    • H04W72/23—Control channels or signalling for resource management in the downlink direction of a wireless link, i.e. towards a terminal
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/50—Allocation or scheduling criteria for wireless resources
    • H04W72/51—Allocation or scheduling criteria for wireless resources based on terminal or device properties
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/50—Allocation or scheduling criteria for wireless resources
    • H04W72/535—Allocation or scheduling criteria for wireless resources based on resource usage policies
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/20—Control channels or signalling for resource management
    • H04W72/21—Control channels or signalling for resource management in the uplink direction of a wireless link, i.e. towards the network

Definitions

  • the present invention relates to resource application and allocation technologies in the communication field, and in particular, to a resource application, an allocation method, a user equipment (UE, User Equipment), a network control unit, and a storage medium.
  • UE user equipment
  • the communication-based collision warning system realizes real-time information interaction between the vehicle, the vehicle and the roadside infrastructure by using advanced wireless communication technology and a new generation of information processing technology, and informs each other of the current state (including the position and speed of the vehicle). Acceleration, driving route) and learned road environment information, collaboratively aware of road hazard conditions, timely providing a variety of collision warning information to prevent road traffic safety accidents, and become a new way for countries to solve road traffic safety problems. .
  • V2X Vehicle-to-Everything Communications
  • V2V Vehicle-to-Vehicle
  • Communication Vehicle-to-Pedestrian Communications
  • V2P Vehicle-to-Infrastructure Communications
  • Vehicle and Network Vehicle-to-Infrastructure/Network Communications
  • the V2X service is a communication service that transmits through 3GPP with the participation of the transmitting or receiving UE using the V2V application. Based on the other party participating in the communication, the V2X service can be further divided into a V2V service, a V2I service, a V2P service, and a V2N service.
  • the V2P service refers to a service that uses V2P application communication between UEs.
  • the V2N service refers to a service in which a UE and a serving entity communicate with each other through an LTE network entity using a V2N application.
  • the V2I service refers to a service in which a UE and a Roadside Unit (RSU) use V2I applications to interact.
  • the RSU is an entity that supports V2I services, and can send V2I services to UEs that use V2I applications, or can receive V2I services from UEs that use V2I services.
  • the RSU can be implemented by a base station (eNB) or a stationary UE. If the RSU is implemented by a base station, it is called an eNB type RSU. If the RSU is implemented by the UE, it is called a UE type RSU.
  • a V2V service refers to a service that uses V2V application communication between UEs.
  • the V2V includes the V2V-related application information that is directly exchanged between the UEs, or the V2V-related application information is exchanged between the UEs through the infrastructure (for example, the RSU, the application server, and the like) that supports the V2X service.
  • the infrastructure for example, the RSU, the application server, and the like
  • Scenario 1 this scenario supports V2V communication based only on the PC5 interface.
  • the UE sends a V2X message to multiple UEs in the local area through the PC5 interface.
  • this scenario supports V2V communication based only on the Uu port.
  • the UE uplinks the V2X message to the E-UTRAN (E-UTRAN), and the E-UTRAN broadcasts the V2X message to the UEs in the local area.
  • E-UTRAN E-UTRAN
  • the E-UTRAN broadcasts the V2X message to the UEs in the local area.
  • scenario 3 can be further divided into scenario 3a and scenario 3b, which supports V2V communication using Uu and PC5 interfaces.
  • the UE sends a V2X message to the other UE through the PC5 interface.
  • the remote subscriber unit receives the V2X message from the PC5 interface and then transmits the V2X message to the E-UTRAN.
  • E-UTRAN will be remote from the terminal type
  • the V2X message received at the subscriber unit is downlink broadcasted to a plurality of UEs in the local area. Alternatively, the UE uplinks the V2X message to the E-UTRAN.
  • the E-UTRAN After receiving the V2X message from the Uu port, the E-UTRAN transmits the V2X message to one or more terminal type remote subscriber units, and the terminal type remote subscriber unit will be from the E-UTRAN.
  • the received V2X message is sent to multiple UEs in the local area through the PC5 interface.
  • the delay requirement of most V2V/V2I/V2P services is 100 milliseconds or even 20 milliseconds, and the delay requirement may not be satisfied by using the existing uplink cellular and resource allocation modes of the PC5 interface. Especially for scenario 3, the delay requirement cannot be met according to the existing resource allocation method.
  • the resource application, the allocation method, the UE, the network control unit, and the storage medium that the embodiment of the present invention is expected to provide at least partially solve the above problem.
  • a first aspect of the embodiments of the present invention provides a resource application method, where the method includes:
  • the resource allocation information is received, and the resource allocation information is formed by the network control unit performing resource allocation based on the low latency service information.
  • a second aspect of the embodiments of the present invention provides a resource allocation method, where the method includes:
  • the resource allocation information is sent to the user equipment based on the result of the resource allocation.
  • a third aspect of the embodiment of the present invention provides a user equipment UE, where the user equipment includes:
  • a first sending unit configured to send low-latency service information to the network control unit
  • the first receiving unit is configured to receive resource allocation information, where the resource allocation information is formed by the network control unit performing resource allocation based on the low latency service information.
  • a fourth aspect of the embodiments of the present invention provides a network control unit, where the network control unit includes:
  • a second receiving unit configured to receive low-latency service information sent by the user equipment
  • An allocating unit configured to perform resource allocation according to the low latency service information
  • a second sending unit configured to send resource allocation information to the user equipment based on a result of resource allocation.
  • a fifth aspect of the embodiments of the present invention provides a computer storage medium, where the computer storage medium stores computer executable instructions, and the computer executable instructions are used to execute the resource application method.
  • the UE sends low-latency service information to the network control unit, so that the network control unit allocates resources according to the low time.
  • the network control unit allocates resources according to the low time.
  • FIG. 1 is a schematic diagram of an application scenario of a V2X according to an embodiment of the present invention
  • FIG. 2 is a schematic flowchart diagram of a method for applying a first resource according to an embodiment of the present invention
  • FIG. 3 is a schematic flowchart diagram of a method for applying a second resource according to an embodiment of the present invention
  • FIG. 4 is a schematic structural diagram of a UE according to an embodiment of the present disclosure.
  • FIG. 5 is a schematic structural diagram of a network control unit according to an embodiment of the present disclosure.
  • FIG. 6 is a schematic flowchart diagram of a method for applying a third resource according to an embodiment of the present invention.
  • FIG. 7 and FIG. 8 are schematic diagrams of signaling formats of a MAC CE according to an embodiment of the present invention.
  • FIG. 9 is a schematic flowchart diagram of a fourth resource application method according to an embodiment of the present invention.
  • FIG. 10 is a schematic flowchart diagram of a fifth resource application method according to an embodiment of the present invention.
  • FIG. 11 and FIG. 12 are schematic diagrams of signaling formats of a MAC CE according to an embodiment of the present invention.
  • Embodiment 1 is a diagrammatic representation of Embodiment 1:
  • this embodiment provides a resource application method, where the method includes:
  • Step S110 Send low delay service information to the network control unit.
  • Step S120 Receive resource allocation information, where the resource allocation information is formed by the network control unit performing resource allocation based on the low latency service information.
  • the execution subject of the resource application method described in this embodiment may be various user equipments, for example, various in-vehicle devices.
  • the low-latency service information may include related information of various low-latency services, and may be used to provide a network control unit with a basis for delaying resource allocation.
  • the low-latency service information may indicate a low-latency service, and then the network control unit determines a delay requirement of the low-latency service; or the low-latency service information may directly represent the low-latency service Business delay requirements.
  • the low-latency service may include the V2X service corresponding to the low-latency service information, including the car and any communication device V2X service.
  • the network control unit may include a base station, a roadside unit, a relay, or a terminal capable of resource allocation.
  • the resource allocation information transmitted by the network control unit will be received in step S120.
  • the user equipment may learn, according to the resource allocation information, that the current There are various parameters that are allocated to communication resources for transmitting the low-latency service information, the number and type of communication resources to be allocated, and the like.
  • the communication resource types herein may include various resources such as time-frequency resources and code resources.
  • the code resources herein may include various sequence resources such as scrambling resources.
  • the number of communication resources may include various time slots, bandwidth of frequency resources, number of scrambling codes, and the like. In this way, the user equipment can subsequently send the service content of the first delay service on the corresponding communication resource according to the resource allocation information.
  • the user equipment when the user equipment requests the resource allocation, the user equipment does not send only one resource allocation request to the network control unit, and sends low-latency service information to the network control unit, so that the network control is performed.
  • the unit can perform resource allocation according to the requirement of resource allocation characterized by low-latency service information, and meet the low-latency requirement of the low-latency service as much as possible when performing resource allocation. In this way, the low-latency service can allocate communication resources faster than other common delay services or long-delay services, and use communication resources in a timely manner to communicate, thereby achieving low latency.
  • the low latency service information includes one or more of the following various information:
  • low-latency service type information wherein the low-latency service type information is used to indicate a low-latency service type.
  • the low latency service type includes a V2X service.
  • the V2X service may include a V2V service, a V2I service, a V2P service, or a V2N service. Therefore, the low latency service type information in this embodiment may include one or more of the following:
  • Vehicle network service type information the vehicle network service type information here can be used to indicate at least the type of vehicle networking service
  • Vehicle-to-vehicle communication V2V service type information can be used to indicate at least V2V service type.
  • Vehicle and network communication V2I service type information can be used to indicate at least the V2I service type;
  • Vehicle-to-person communication V2P service type information here, vehicle-to-person communication V2P service type information, At least can be used to indicate the type of V2P service;
  • the vehicle communicates with the network infrastructure device V2N service type information; the vehicle-to-person communication V2N service type information herein can be used to indicate at least the V2N service type;
  • the event triggers the service type information; the event triggers the service type information, which can be used to indicate various low-latency service types triggered when the specified event occurs, for example, the V2X service type triggered when the specified event occurs.
  • Periodically transmitted business class information can be used to indicate various low-latency service types that are sent in a period, for example, a V2X service type that is sent periodically.
  • V2X services such as a car network service type and a V2V service type, are described.
  • first quality of service level QCI indication information wherein the first QCI indication information is used to indicate a delay and/or a reliability requirement level of the low latency service.
  • moving speed level indication information wherein the moving speed level indication information is used to indicate a moving speed level of the user equipment.
  • the fifth type the resource type indication information, where the resource type information is used to indicate the resource type required for the low-latency service; the resource type indication information may include the interface type resource indication information, where the interface resource type information may include Uu interface resource type indication information, and/or PC5 interface resource type indication information.
  • the Uu interface resource type indication information may be used to indicate at least a Uu interface resource
  • the PC5 interface resource type indication information may be used to indicate at least a PC5 interface resource.
  • resource period information wherein the resource period information is used to indicate a period of sending the low-latency service information that is periodically transmitted.
  • resource pattern information wherein the resource pattern information includes offset information indicating a subframe to be allocated.
  • resource quantity information wherein the resource quantity information is used to indicate the quantity of resources to be allocated.
  • the positioning information in this embodiment may include at least one of the following:
  • the geographic location information of the user equipment may be used to indicate the geographic location when the user equipment is ready to send the low latency service information.
  • the moving speed of the user equipment is the moving speed of the user equipment relative to the ground or relative to the network equipment capable of providing communication services.
  • the moving speed may be an absolute value of the moving speed, or may be information such as a level to which the moving speed belongs.
  • the motion track of the user equipment may be the motion track after the current time of the predicted moving speed.
  • the geographic location of the user equipment measures time.
  • the geographical location measurement time here is the time when the user equipment performs the foregoing geographical location information.
  • first logical channel identification information is used to indicate a logical channel or a logical channel group that uses resources.
  • the logical channel identifier herein may be a logical channel or a logical channel group of the indicated semi-persistent scheduling resources.
  • the eleventh the cache status report information; the cache status report information is used to indicate the cache status information of the low-latency service of the application resource.
  • the positioning information further includes:
  • Position identification information wherein the location identification information is determined based on a current geographic location of the user equipment, and geographic area range identifier mapping information; the geographic area range identifier mapping information is used to represent between the geographic area and the location identifier Mapping relations.
  • the base station divides the cells formed by its coverage into two, and divides the cells into multiple geographical areas, and sets the location identifiers for these geographical areas.
  • the location identifier information may be a location identifier in a cell where the user equipment is located. 1 said location identifier can represent 1 The geographical area.
  • the base station that is the network control unit receives the location identification information sent by the user equipment, it can determine which geographical area of the cell formed by the user equipment itself.
  • the method further includes receiving geographic area range identifier mapping information sent by the network control unit.
  • the network control unit sends the geographic area range identifier mapping information before receiving the low latency service information.
  • the network control unit sends the geographical area range identifier mapping information by broadcast or multicast.
  • the user equipment receives the geographic area range identifier mapping information by receiving a system message or a proprietary message sent by the network control unit.
  • the proprietary message may include a proprietary RRC message in this embodiment.
  • the geographic regions are divided according to the shape of the region, and may include a circular region and a rectangular region.
  • the geographic area range identifier mapping information includes at least one of the following: a central location list of the circular area, radius information, and a corresponding location identifier; location information of the three vertices of the rectangular area and a corresponding location identifier.
  • the user equipment detects the direct geographic location, compares the location information of the user with the central location of the circular area, and then determines which circle the user equipment is currently located according to the radius information of the circular area. After determining the circular area where the user equipment is located, the location identifier of the circular area is sent to the network control unit.
  • the location information of the user is compared with the location information of the three vertices of the rectangular area, and according to the comparison result, the rectangular area where the user equipment is located is determined, and then the network is controlled.
  • the unit sends the location identifier of the rectangular area.
  • step S110 may specifically include:
  • the low latency service information is sent by using a radio resource control RRC message.
  • the RRC message herein may include a side link user equipment information Sidelink UEInfomation message, a user equipment information response UEInformationResponse message, a low delay service indication message, or a car network service indication information. Therefore, the step S110 may specifically include: transmitting the low-latency service information by using at least one of an edge link user equipment information message, a user equipment information response message, a low delay indication information, and a car network service indication information. .
  • the step S110 may further include: sending, to the network control unit, the media intervention control unit MCE CE carrying the low latency service information.
  • the user equipment sends at least the low-latency service information to the network control unit when applying for the resource of the low-latency service, so that the network control unit can conveniently allocate the information according to the low-latency service information. Resources to meet the latency requirements for low-latency service information transmission.
  • Embodiment 2 is a diagrammatic representation of Embodiment 1:
  • this embodiment provides a resource allocation method, where the method includes:
  • Step S210 Receive low-latency service information sent by the user equipment.
  • Step S220 Perform resource allocation according to the low latency service information.
  • Step S230 Send resource allocation information to the user equipment based on the result of resource allocation.
  • the method in this embodiment is applied to a network control unit.
  • the network control unit may be a communication node capable of resource scheduling or allocation, such as a base station, a roadside unit, or a relay node.
  • the low latency service may include the foregoing V2X service.
  • the resource allocation is performed according to the low-latency service information. To meet the resource requirements of low-latency services as much as possible, for example, to meet the latency requirements of resources.
  • Resource allocation will be performed in step S220, and resource allocation information will be transmitted to the user equipment based on the result of the resource allocation in step S230. So convenient, the user equipment is divided according to the resources The information is sent, and the service content of the low-latency service is sent on the corresponding resource.
  • the network control unit in the embodiment will also receive low-latency service information when responding to the resource request, and the information is used to allocate the resource allocation basis for the network control unit. This makes it possible to distinguish between normal delay services and low latency requirements for low latency services.
  • the low-latency service information includes at least one of the following:
  • Low-latency service type information wherein the low-latency service type information is used to indicate a low-latency service type
  • the low-latency service priority is used to indicate a priority of a low-latency service type
  • First quality of service level QCI indication information wherein the first QCI indication information is used to indicate a delay and/or a reliability requirement level of the low latency service
  • Moving speed level indication information wherein the moving speed level indication information is used to indicate moving speed information of the user equipment; the moving speed information includes a moving speed and/or a moving speed level of the user equipment;
  • Resource type indication information wherein the resource type information is used to indicate a resource type required for a low latency service
  • Resource period information wherein the resource period information is used to indicate a period of sending the low-latency service information that is periodically transmitted;
  • Resource pattern information wherein the resource pattern information includes offset information indicating a subframe to be allocated
  • Resource quantity information wherein the resource quantity information is used to indicate the amount of resources to be allocated
  • Positioning information wherein the positioning information is used to determine location information of the user equipment.
  • the location information herein may include: geographic location information of the user equipment; the user a moving speed of the device; a motion trajectory of the user equipment; the user equipment determines a geographical location measurement time of the geographic location; of course, the positioning information further includes: location identification information; wherein the location identification information is based on the user equipment The current geographic location and the geographic area range identifier mapping information are determined; the geographic area range identifier mapping information is used to represent a mapping relationship between the geographic area and the location identifier;
  • First logical channel identification information is used to indicate a logical channel or a logical channel group using resources; for example, the first logical channel identification information may be used to indicate a semi-static resource logic that can be used Channel or logical channel identification.
  • Cache status report information is used to indicate cache status information of a low latency service requesting a resource.
  • the network control unit determines different resource allocation parameters according to the different low-latency service information.
  • the following describes the step S220, according to different information in the low-latency service information.
  • the step S220 may include at least one of the following:
  • the indication information can be used to indicate the QCI level of the semi-static resources that can be used;
  • the number of required resources is determined.
  • the method further includes:
  • the network unit sends the geographic area range identifier mapping information, so that the user equipment receives the geographic area range identifier mapping information and determines the geographic area where the user equipment is located.
  • the network control unit may send by using various broadcast messages or multicast messages, for example, sending the geographical area range identifier mapping information through a system message, such that within the coverage of the wireless signal of the network control unit.
  • the user equipment may receive the geographic area range identifier mapping information.
  • Determining the geographic location of the user equipment according to the location information in the step S220 may include:
  • the step S220 herein may further include: according to the ground The location is allocated to different user equipments of the two user equipments in the specified range to avoid co-channel interference and reduce retransmission to improve the response rate of the service.
  • the step S220 may include: performing resource allocation of the semi-static resource according to the low-latency service information.
  • the step S230 may include: transmitting resource allocation information of one or more semi-static resources.
  • the resource allocation performed by the network control unit is a resource allocation of a semi-static resource.
  • the semi-persistent scheduling configuration information includes at least one of the following:
  • the semi-static resource type information wherein the semi-static resource type information is used to indicate that the semi-static resource uses an interface type; the interface type herein may include a Uu interface or a PC5 interface.
  • the service type information of the semi-static resource is used to indicate the low-latency service type using the semi-static resource.
  • which services can be used can use the currently allocated semi-static resources.
  • the semi-static resources allocated by the V2V and V2N services in the V2X service may be specified by using the service type information of the semi-static resources.
  • the semi-persistent scheduling configuration information further includes at least one of the following:
  • the second QCI indication information is further used to indicate a QCI level of the service of the semi-static resource that can be used; the second logical channel information is used to indicate a logical channel or a logical channel group of the semi-static resource that can be used.
  • first and second have no special meaning, just to distinguish the transmitted QCI indication information or logical channel information and the like from different network elements.
  • the UE when performing resource allocation, can determine information such as a QCI level, a logical channel, or a logical channel group of the semi-static resources that can be used according to the second QCI indication information.
  • the resource allocation information of the semi-static resource is sent by using a radio resource control RRC message.
  • RRC elimination here The type of message specifically included in the information can be referred to the previous embodiment.
  • the resource allocation method in this embodiment will perform resource allocation by receiving low-latency service information, so that low latency requirements of low-latency services can be met.
  • Embodiment 3 is a diagrammatic representation of Embodiment 3
  • this embodiment provides a user equipment UE, where the user equipment includes:
  • the first sending unit 110 is configured to send low latency service information to the network control unit;
  • the first receiving unit 120 is configured to receive resource allocation information, where the resource allocation information is formed by the network control unit performing resource allocation based on the low latency service information.
  • This embodiment provides a user equipment, which may be various terminal devices, for example, an in-vehicle terminal device.
  • the first transmitting unit 110 and the first receiving unit 120 both correspond to a communication interface.
  • the communication interface is usually a wireless interface.
  • a mobile antenna of an in-vehicle device or the like for example, a mobile antenna of an in-vehicle device or the like.
  • the first sending unit 110 when the user equipment requests a resource, not only sends a resource request, but also sends the low-latency service information, so that the network control unit facilitates the low-latency service information.
  • the allocated resources can meet the delay requirements of low-latency services.
  • Embodiment 1 The information content of the low-latency service information in this embodiment may be referred to in Embodiment 1 or Embodiment 2, and is not repeated here.
  • the first receiving unit 120 is further configured to receive the geographic area range identifier mapping information sent by the network control unit, where the first sending unit 110 is further configured to send the location identifier information in the low latency service information.
  • the location identifier information is determined based on the current geographic location of the user equipment and the geographic area range identifier mapping information; the geographic area range identifier mapping information is used to represent a mapping relationship between the geographic area and the location identifier.
  • the first receiving unit 120 of the user equipment identifies mapping information in the geographic area range, such that the user equipment is in the global positioning system (GPS, Global).
  • Positioning system such as a chip, and other positioning structures, after positioning its own current geographic location, various processing chips of the user equipment, such as a central processing unit, a microprocessor, or a digital signal processor, are identified according to the geographic area range.
  • the mapping information determines the location identifier of the geographic area corresponding to the location and sends the location identifier to the network control unit, and the network control unit knows the current location of the user equipment. This facilitates the network control unit to allocate resources according to the location of each user equipment, and avoids problems such as co-channel interference.
  • the user equipment in this embodiment may be used to implement one or more technical solutions of the resource application method in the first embodiment, and the network control unit may be caused to be low according to the low-latency service information.
  • the service information is delayed to allocate resources, thereby reducing the problem that the low-latency service is delayed due to the late allocation of resources and the late use of resources.
  • Embodiment 4 is a diagrammatic representation of Embodiment 4:
  • this embodiment provides a network control unit, where the network control unit includes:
  • the second receiving unit 210 is configured to receive low-latency service information sent by the user equipment
  • the allocating unit 220 is configured to perform resource allocation according to the low latency service information.
  • the second sending unit 230 is configured to send resource allocation information to the user equipment based on a result of resource allocation.
  • the network control unit in this embodiment may include various communication nodes capable of allocating resources, such as a base station, a relay node, or a roadside unit.
  • the second receiving unit 210 and the second sending unit 230 correspond to a communication interface, and the communication interface can perform information interaction with the user equipment.
  • the second receiving unit 210 receives low-latency service information, and the allocating unit 220 performs resource allocation based on low-latency service information when performing resource allocation.
  • the allocation unit 220 herein may correspond to various processors or processing circuits in the network control unit. The structure of the processor and the processing circuit herein can be referred to the corresponding description in the foregoing embodiment.
  • the second sending unit 230 is further configured to send the geographic area range identifier mapping information, etc., so that the user equipment determines the geographic area where the user is currently located according to the geographic area range identifier mapping information.
  • the network control unit in this embodiment may be used to implement one or more technical solutions of the resource allocation method in the second embodiment, and can receive the low-latency service information according to the low-latency service information. To allocate resources, thereby reducing the delay of the low-latency service due to the late allocation of resources and the delay in the use of resources.
  • the LTE network is connected to the LTE network, and the V2X service information is periodically sent to indicate the speed, the trajectory, and the like to the surrounding vehicles.
  • the V2X message needs to be sent to the network side. resource of.
  • the following steps may be taken to apply for a resource:
  • Step 1 The vehicle device A sends the V2X service information to the base station by using a proprietary RRC message, where the V2X service information includes: V2X service type information, service priority or QCI indication information, and resource type indication information, and/or speed information;
  • the service type information includes: the vehicle network service type information, the V2V service type information, the V2I service type information, the V2P service type information, the V2N service type information, the event-triggered service type information, and the periodic transmission type information.
  • the low latency service priority is used to indicate the priority of the service.
  • the QCI indication information is used to indicate a priority of the service and a delay requirement level.
  • the RRC message includes: an edge link user equipment information Sidelink UEInformation message, a user equipment information response UEInformationResponse message, a low latency service indication message, or a car network service indication message.
  • Step 2 The base station according to the V2X service type information or the service priority QCI indication letter Determine the amount of resources required and the resource cycle. If the V2X service information further includes speed level information, the base station also needs to determine the resource period of the required resource according to the speed information.
  • the base station determines, according to the resource type information, whether the vehicle device A applies for the PC5 resource or the Uu resource, thereby determining the range of the transmission resource pool for the vehicle, and allocates the time-frequency resource to the vehicle device A according to the resource quantity and the resource period.
  • Step 3 The base station sends the resource allocation information to the vehicle device A. Specifically, if the service type information reported by the vehicle device A indicates that the message is a periodically sent message, the base station sends one or more semi-persistent scheduling configuration information by using an RRC proprietary message.
  • the semi-persistent scheduling configuration information includes:
  • the resource type information of the semi-static resource; the semi-static resource used to indicate the scheduling is transmitted by the PC5 interface or the Uu interface.
  • the service type information of the semi-static resource is used to indicate the transmission of the service information, and the specific low-latency service type information.
  • the vehicle network service type information, the V2V service type information, the V2I service type information, the V2P service type information, the V2N service type information, the event-triggered service type information, and the periodic transmission type information includes: emergency vehicle warning information, road safety service information, and the like.
  • step 4 may further include: step 4: the vehicle device A receives the allocation information sent by the base station, and determines the sending resource according to the resource allocation information, and sends the V2X message on the sending resource.
  • the low latency service information sent by the vehicle device A may further include:
  • Resource type indication information information; resource period information; resource pattern information; resource quantity information;
  • the base station may determine according to the resource pattern information.
  • Vehicle A Vehicle device A requires an assigned sub-frame pattern.
  • the base station allocates resources according to the demand of the vehicle A vehicle device A such that the allocated subframe position is consistent with the time when the vehicle A vehicle device A generates the V2X message, for example, the vehicle A vehicle device A completes the V2X in the nth subframe according to the demand plan.
  • the message is generated and sent to the underlying layer, and the base station assigns the n+1th subframe to the vehicle A vehicle device A, thereby minimizing the transmission delay.
  • This example provides a resource allocation method, including:
  • Step 11 The vehicle device A carries the low-latency service Buffer Status Report (BSR) information through the MAC CE.
  • BSR Buffer Status Report
  • the MAC subheader corresponding to the MAC CE includes a dedicated logical channel identifier (LCID).
  • the low latency service BSR information includes a logical channel identifier V2X LCID of a low latency service and a cache size.
  • the cache size here can correspond to the cache size.
  • the low latency service BSR information includes a logical channel group identifier of a low latency service and a cache capacity.
  • the MAC CE shown in FIG. 7 includes 3 bytes, which are byte 1, byte 2, and byte 3, respectively; wherein each byte is composed of a logical channel identifier and a cache size.
  • the MAC CE shown in Figure 8 includes 4 bytes; these 4 bytes are byte 1, byte 2, byte 3, and byte 4, respectively.
  • Step 12 The base station determines, by using the proprietary LCID in the MAC Subheader corresponding to the MCE CE, that the MAC CE is used to indicate low-latency service BSR information. Therefore, it is determined that the vehicle equipment A applies for the resource for transmitting the low-latency service such as the V2X, and the priority is determined by the VLCID or the LCG ID, and the time-frequency resource is allocated according to the size of the application resource.
  • Step 13 The base station sends the resource allocation information to the vehicle device A. If the information indicated by the V2X LCID or the LCG ID in step 1 is a periodically transmitted message, the base station sends one or more semi-persistent scheduling configuration information by using an RRC proprietary message.
  • the semi-persistent scheduling configuration information includes:
  • the resource type information is used to indicate whether the semi-persistent scheduling resource is used for PC5 interface transmission or Uu interface transmission.
  • Service type information used to indicate which service information is used for the semi-persistent scheduling resource, including specific low-latency service type information.
  • the vehicle network service type information the V2V service type information, the V2I service type information, the V2P service type information, the V2N service type information, the event-triggered service type information, and the periodic transmission type information.
  • it includes: emergency vehicle warning information, road safety service information, and the like.
  • the base station uses the V2X-specific RNTI to scramble the resource allocation indication information, and sends the dynamically scheduled resource through the physical downlink control channel.
  • Step 14 The vehicle device A receives the low-latency service resource allocation information sent by the base station, and determines the transmission resource according to the resource allocation information, and sends a V2X message on the transmission resource.
  • the network control unit on the network side (the network control unit here may be a base station or a high-level network element, the high-level network element includes a V2X server, a V2X control function entity, a mobility management entity MME, a gateway, etc.) allocate different V2Xs for different V2X services.
  • LCID further according to different V2X services, according to event triggering, periodic transmission, different cycles, QCI requirements, etc., divided into different V2V LCGs.
  • the network side allocates different V2V LCG IDs for the event-triggered V2X service and the periodic transmission type V2X service, and further, for the event-triggered V2X message, according to different delay requirements, priority requirements, or The QCI needs to allocate different V2V LCG IDs.
  • different V2V LCG IDs are assigned according to different cycle requirements, priority requirements, or QCI requirements.
  • the method of the present example further includes the following steps.
  • Step 21 The network control unit sends a mapping relationship between the V2V LCID and the V2V LCG ID by using a system message.
  • Step 22 The vehicle device A indicates the low latency service BSR information through the MAC CE.
  • the MAC Subheader corresponding to the MAC CE includes a proprietary logical channel identifier (LCID).
  • Step 23 The network control unit determines, by using a proprietary LCID in the MAC sub-header corresponding to the MCE CE, that the MAC CE is used to indicate low-latency service BSR information. Therefore, it is determined that the vehicle equipment A applies for the resource for transmitting the low-latency service such as the V2X, and the priority is determined by the VLCID or the LCG ID, and the time-frequency resource is allocated according to the size of the application resource.
  • the step 23 may further include the step 24: the network control unit sends the resource allocation information to the vehicle device A. If the information indicated by the V2X LCID or the LCG ID in step 22 is a periodically sent message, the base station sends a message through the RRC proprietary message. Or a plurality of semi-persistent scheduling configuration information, where the semi-persistent scheduling configuration information includes:
  • the resource type information is used to indicate whether the semi-persistent scheduling resource is used for PC5 interface transmission or Uu interface transmission.
  • Service type information used to indicate which service information is used for the semi-persistent scheduling resource, including specific low-latency service type information.
  • the vehicle network service type information the V2V service type information, the V2I service type information, the V2P service type information, the V2N service type information, the event-triggered service type information, and the periodic transmission type information.
  • it includes: emergency vehicle warning information, road safety service information, and the like.
  • the radio network of the V2X service temporarily identifies the RNTI to scramble resource allocation information to improve information security.
  • Step 25 The vehicle device A receives the low-latency service resource allocation information sent by the network control unit, and determines the transmission resource according to the resource allocation information, and sends the V2X message on the transmission resource.
  • the vehicle device B has a positioning function that can acquire its own position in real time. Information and send the location information to the base station. Since the V2X message sent by the vehicle equipment B needs to be correctly received by the surrounding vehicles, and the surrounding vehicles may also need to transmit V2X messages, considering the influence of half-duplex (the terminal cannot receive information simultaneously in the same frequency band of the same subframe). And sending information), therefore, the base station needs to allocate different subframes for vehicles in geographical proximity.
  • the base station determines the location information when the terminal sends the V2X message according to the information of the reporting speed, the motion trajectory, and the location measurement time, and avoids allocating the same subframe resource to the vehicles in the range that are geographically adjacent and are expected to be received in the V2X message transmitted by each other. Specifically, see Figure 10:
  • Step 31 The base station sends the indication information by using the RRC message, where the indication information indicates that the terminal reports the location information.
  • Step 32 The vehicle device B sends the location information to the base station by using the measurement result information in the uplink RRC message, where the location information includes: geographic location information, a speed level indication, a motion track indication, and measurement time indication information.
  • Step 33 The base station calculates the current time position according to the geographical location information, the speed level indication, the motion track indication, and the measurement time indication information, and allocates resources to the vehicle device B, thereby ensuring that the vehicle device B and the surrounding vehicle are allocated different subframes. To avoid the effects of half-duplex.
  • the vehicle device B has a positioning function, which can acquire its own location information in real time and transmit the location information to the base station. Since the V2X message sent by the vehicle equipment B needs to be correctly received by the surrounding vehicles, and the surrounding vehicles may also need to transmit V2X messages, considering the influence of half-duplex (the terminal cannot receive information simultaneously in the same frequency band of the same subframe). And sending information), therefore, the base station needs to be geographically adjacent to the vehicle With different sub-frames.
  • the difference from the example 5 is that the vehicle device B in this example reports the location information through the MAC CE, which is more time-sensitive.
  • the required overhead is 48 bits.
  • the base station can cover each cell.
  • the area is further divided into small areas, and each small area is numbered.
  • the base station divides the cell into N small areas, and notifies the mapping relationship between the corresponding coordinates and the small area to the UE by broadcasting, and the UE only needs to judge.
  • the small area index of the location is reported to the base station, so that the overhead of reporting the geographical location information is greatly reduced. For example, when N is 64, only 6 bits are needed to indicate location information. Specific steps are as follows:
  • the base station sends the geographical area range identifier mapping information. Further, the base station sends the geographical area range identifier mapping information through the system message.
  • mapping methods can be included:
  • Method 1 Send a list of the central location information of the circular area and the radius information.
  • the list of central location information is as follows
  • the geographic area range corresponding to each index can be determined according to the geographical coordinates of the center position and the size of the radius.
  • Mode 2 Send location information of three points of a rectangular area.
  • the geographical area range corresponding to each index is determined according to the geographic coordinates of the three boundary positions.
  • the index1 to indexN information may not be sent, and the position can be obtained by sorting.
  • the vehicle device B After acquiring the location information of the vehicle, the vehicle device B determines, according to the geographic area range identifier mapping information, which area range it belongs to, thereby determining the location information identifier.
  • the vehicle device B sends the location information identifier to the base station, and the vehicle device B transmits the location information identifier and/or the speed level information to the base station via the MAC CE.
  • the UE sends the location information identifier indication information to the base station by using an uplink physical control channel.
  • the UE adds location information to the BSR MAC CE of the low latency service.
  • a BSR MAC CE format is shown in FIG. 11 and FIG. It should be noted that the BSR MAC CE designed by the present invention does not only include the format shown in FIG. 11 and FIG. 12, and any MACE CE including location information identifier, speed grade information, LCID or LCG ID, and buffer size are in the Within the scope of protection of the present invention.
  • the base station determines the location information of the terminal that transmits the low-latency service information according to the location identification information, and allocates resources to the vehicle device B, thereby ensuring that the vehicle device B allocates different subframes to the surrounding vehicles, thereby avoiding the influence of half-duplex.
  • An embodiment of the present invention provides a computer storage medium, where the computer storage medium stores computer executable instructions, and the computer executable instructions are used to execute the resource application method provided by any one of the foregoing technical solutions, for example, The method shown in any one of FIGS. 2, 3, 6, 9, and 10 is performed.
  • the computer storage medium may include various storage media such as a random storage medium, a read-only storage medium, a flash memory, an optical disk, or a DVD, and may be a non-transitory storage medium.
  • the disclosed device and party The law can be implemented in other ways.
  • 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 such as: multiple units or components may be combined, or Can be integrated into another system, or some features can be ignored or not executed.
  • the coupling, or direct coupling, or communication connection of the components shown or discussed may be indirect coupling or communication connection through some interfaces, devices or units, and may be electrical, mechanical or other forms. of.
  • the units described above as separate components may or may not be physically separated, and the components displayed as the unit may or may not be physical units, that is, may be located in one place or 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 module, or each unit may be separately used as one unit, or two or more units may be integrated into one unit; the above integration
  • the unit can be implemented in the form of hardware or in the form of hardware plus software functional units.
  • the foregoing program may be stored in a computer readable storage medium, and the program is executed when executed.
  • the foregoing storage device includes the following steps: the foregoing storage medium includes: a mobile storage device, a read-only memory (ROM), a random access memory (RAM), a magnetic disk, or an optical disk.
  • ROM read-only memory
  • RAM random access memory
  • magnetic disk or an optical disk.
  • optical disk A medium that can store program code.

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Abstract

本发明实施例公开了一种资源申请方法及装置，所述方法包括：向网络控制单元发送低时延业务信息；接收资源分配信息，所述资源分配信息由网络控制单元基于所述低时延业务信息进行资源分配形成的。本发明实施例提供一种计算机存储介质。

Description

资源申请、分配方法，UE、网络控制单元和存储介质 技术领域
本发明涉及通信领域的资源申请、分配技术，尤其涉及一种资源申请、分配方法、用户设备(UE，User Equipment)、网络控制单元和存储介质。
背景技术
随着车辆的增多，如何减少交通事故及发生交通事故之后，如何及时救援和协调现场交通，是现有交通中需要解决的问题。随着通信技术和电子技术的发展，在车辆上配置车载设备，通过车载设备进行各种信息交互，例如进行事故预警信息，交通状况提示信息等。基于通信的碰撞预警系统，通过利用先进的无线通信技术和新一代信息处理技术，实现车与车、车与路侧基础设施间的实时信息交互，告知彼此目前的状态(包括车辆的位置、速度、加速度、行驶路径)及获知的道路环境信息，协作感知道路危险状况，及时提供多种碰撞预警信息，防止道路交通安全事故的发生，成为当前各国试图解决道路交通安全问题的一种新的思路。
车联网通信(V2X，Vehicle-to-Everything Communications)是指通过装载在车辆上的传感器、车载终端及电子标签提供车辆信息，采用各种通信技术实现车与车通信(V2V，Vehicle-to-Vehicle Communication)、车与人通信(V2P，Vehicle-to-Pedestrian Communications)、车与网络基础设施通信(V2I，Vehicle-to-Infrastructure Communications)，车与网络(V2I/V2N，Vehicle-to-Infrastructure/Network Communications)通信，并在信息网络平台上对信息进行提取、共享等有效利用，对车辆进行有效的管控和提供综合服务。
目前，第三代合作伙伴项(3GPP，the 3rd Generation Partnership Project) 正在讨论基于长期演进(LTE，Long Term Evolution)的V2X。根据当前3GPP的定义，V2X业务是一种有使用V2V应用的发送或接收UE参与的通过3GPP传输的通信业务。基于参与到通信的另一方，V2X业务可以进一步分为V2V业务、V2I业务、V2P业务和V2N业务。V2P业务是指UE之间使用V2P应用通信的业务。V2N业务是指UE和服务实体使用V2N应用通过LTE网络实体进行相互通信的业务。V2I业务是指UE和路边单元(RSU，Road Side Unit)使用V2I应用进行交互的业务。RSU是支持V2I业务的实体，可以发送V2I业务到使用V2I应用的UE，也可以从使用V2I业务的UE接收V2I业务。RSU可以通过基站(eNB)或者静止的UE实现。如果RSU是通过基站实现的，即称为eNB type RSU。如果RSU是通过UE实现的，即称为UE type RSU。V2V业务是指UE之间使用V2V应用通信的业务。V2V包括UE之间直接交互V2V相关应用信息，或者由于V2V直接通信范围的限制，UE之间通过支持V2X业务的基础设施(例如RSU，应用服务器等)进行V2V相关应用信息交互。
此外，3GPP还讨论了V2V的三种场景，如图1A至图1D所示：
场景1，该场景支持仅仅基于PC5接口的V2V通信。UE通过PC5接口发送V2X消息给局部区域的多个UE。
场景2，该场景支持仅仅基于Uu口的V2V通信。UE上行传输V2X消息到无线接入网(E-UTRAN，enhancements for Evolved Universal Terrestrial Radio Access Network)，E-UTRAN再将该V2X消息下行广播给局部区域的多个UE。
场景3，场景3又可分为场景3a和场景3b，该场景支持使用Uu和PC5接口的V2V通信。UE通过PC5接口发送V2X消息给其他UE，终端类型远程用户单元(RSU，Remote Subscriber Unite)从PC5接口接收到V2X消息后将该V2X消息上行传输给E-UTRAN。E-UTRAN将从终端类型远程 用户单元处接收到的V2X消息下行广播给局部区域的多个UE。或者，UE上行传输V2X消息到E-UTRAN，E-UTRAN从Uu口接收到V2X消息后将该V2X消息传输到一个或者多个终端类型远程用户单元，终端类型远程用户单元将从E-UTRAN处接收到的V2X消息通过PC5接口发送给局部区域的多个UE。
一方面，根据当前的讨论，大部分V2V/V2I/V2P业务的延迟需求是100毫秒甚至20毫秒，而使用现有的上行蜂窝以及PC5接口的资源分配方式，该延时需求不一定能够满足，尤其对于场景3，根据现有的资源分配方式是无法满足时延需求的。
另一方面，当使用PC5接口进行通信时，由于半双工的影响，如果收发双方使用相同的频带进行通信，两者如果在相同的子帧位置发送消息，则两者无法同时接收到彼此的消息，从而导致漏听来自其他终端消息，即使采用重传的方案也不能完全避免这种情况的方案，如果重传次数过多，则会带来过大的延时，从而超过延迟需求。
发明内容
有鉴于此，本发明实施例期望提供的一种资源申请、分配方法、UE、网络控制单元和存储介质，至少部分解决上述问题。
本发明的技术方案是这样实现的：
本发明实施例第一方面提供一种资源申请方法，所述方法包括：
向网络控制单元发送低时延业务信息；
接收资源分配信息，所述资源分配信息由网络控制单元基于所述低时延业务信息进行资源分配形成的。
本发明实施例第二方面提供一种资源分配方法，所述方法包括：
接收用户设备发送的低时延业务信息；
根据所述低时延业务信息进行资源分配；
基于资源分配的结果向所述用户设备发送资源分配信息。
本发明实施例第三方面提供一种用户设备UE，所述用户设备包括：
第一发送单元，用于向网络控制单元发送低时延业务信息；
第一接收单元，用于接收资源分配信息，所述资源分配信息由网络控制单元基于所述低时延业务信息进行资源分配形成的。
本发明实施例第四方面提供一种网络控制单元，所述网络控制单元包括：
第二接收单元，用于接收用户设备发送的低时延业务信息；
分配单元，用于根据所述低时延业务信息进行资源分配；
第二发送单元，用于基于资源分配的结果，向所述用户设备发送资源分配信息。
本发明实施例第五方面提供一种计算机存储介质，所述计算机存储介质中存储有计算机可执行指令，所述计算机可执行指令用于执行上述资源申请方法。
本发明实施例提供的资源申请、分配方法、UE、网络控制单元和计算机存储介质，UE会向网络控制单元发送低时延业务信息，这样网络控制单元在分配资源时，将依据所述低时延业务信息，这样分配的资源，就能够满足低时延业务的低时延需求。
附图说明
图1A至图1D为本发明实施例提供的V2X的应用场景示意图；
图2为本发明实施例提供第一种资源申请方法的流程示意图；
图3为本发明实施例提供第二种资源申请方法的流程示意图；
图4为本发明实施例提供的UE的结构示意图；
图5为本发明实施例提供的网络控制单元的结构示意图；
图6为本发明实施例提供第三种资源申请方法的流程示意图；
图7和图8为本发明实施例提供的MAC CE的信令格式图；
图9为本发明实施例提供第四种资源申请方法的流程示意图；
图10为本发明实施例提供第五种资源申请方法的流程示意图；
图11和图12为本发明实施例提供的MAC CE的信令格式图。
具体实施方式
以下结合说明书附图及具体实施例对本发明的技术方案做进一步的详细阐述，应当理解，以下所说明的优选实施例仅用于说明和解释本发明，并不用于限定本发明。
实施例一：
如图2所示，本实施例提供一种资源申请方法，所述方法包括：
步骤S110：向网络控制单元发送低时延业务信息；
步骤S120：接收资源分配信息，所述资源分配信息由网络控制单元基于所述低时延业务信息进行资源分配形成的。
执行本实施例所述资源申请方法的执行主体，可为各种用户设备，例如，各种车载设备。
在本实施例中所述低时延业务信息可包括各种低时延业务的相关信息，可用于为网络控制单元提供资源分配的时延性的依据。所述低时延业务信息可指示出低时延业务，再有网络控制单元，确定出该低时延业务的时延要求；或所述低时延业务信息可直接表征出所述低时延业务的时延要求。在本实施例中所述低时延业务可包括V2X所述低时延业务信息对应的业务包括车与任意通信设备V2X业务。
在本实施例中所述网络控制单元可包括基站、路边单元、中继或能够进行资源分配的终端。
在步骤S120中将接收网络控制单元发送的资源分配信息。用户设备在接收到所述资源分配信息后，就可以根据所述资源分配信息获知到当前是 否有被分配到用于传输所述低时延业务信息的通信资源，被分配的通信资源的数量、种类等各种参数。这里的通信资源类型可包括时频资源、码资源等各种资源。这里的码资源可包括扰码资源等各种序列资源等。这里的通信资源的数量，可包括多少个时隙、频率资源的带宽，扰码的个数等各种信息。这样，用户设备后续就可以根据所述资源分配信息，在对应的通信资源上发送所述第时延业务的业务内容。
本实施例中所述用户设备在为低时延业务，请求资源分配时，不再是仅向网络控制单元发送一个资源分配请求，而且会向网络控制单元发送低时延业务信息，这样网络控制单元可以根据低时延业务信息表征的资源分配的要求，来进行资源分配，在进行资源分配时尽可能满足低时延业务实现低时延要求。这样的话，低时延业务相对于其他普通时延业务或长时延业务，能够更快的分配到通信资源，且更及时的使用到通信资源，来进行通信，从而实现低时延。
进一步地，所述低时延业务信息包括以下各种信息中的一个或多个：
第一：低时延业务类型信息；其中，所述低时延业务类型信息用于指示低时延业务类型。所述低时延业务类型包括V2X业务。所述V2X业务可包括V2V业务、V2I业务、V2P业务或V2N业务等。故在本实施例中所述低时延业务类型信息可包括以下的一个或多个：
车联网业务类型信息；这里的车联网业务类型信息，至少可用于指示车联网业务类型；
车与车通信V2V业务类型信息；这里的车与车通信V2V业务类型信息，至少可用于指示V2V业务类型。
车与网络通信V2I业务类型信息；这里的车与网络通信V2I业务类型信息，至少可用于指示V2I业务类型；
车与人通信V2P业务类型信息；这里的车与人通信V2P业务类型信息， 至少可用于指示V2P业务类型；
车与网络基础设备通信V2N业务类型信息；这里的车与人通信V2N业务类型信息，至少可用于指示V2N业务类型；
事件触发业务类型信息；这里的事件触发业务类型信息，可用于指示各种在指定事件发生时触发的低时延业务类型，例如在指定事件发生时触发的V2X业务类型。
周期发送式业务类信息。这里的周期式发业务类型信息，可用于指示各种在周期发送的低时延业务类型，例如在周期发送的V2X业务类型。
在本实施例中所述车联网业务类型、V2V业务类型等各种V2X业务。
第二：低时延业务优先级；其中，所述低时延业务优先级用于指示低时延业务类型的优先级。
第三：第一服务质量等级QCI指示信息；其中，所述第一QCI指示信息用于指示低时延业务的时延和/或可靠性需求等级。
第四：移动速度等级指示信息；其中，所述移动速度等级指示信息，用于指示用户设备的移动速度等级。
第五：资源类型指示信息；其中，所述资源类型信息用于指示低时延业务所需的资源类型；所述资源类型指示信息可包括接口类型资源指示信息，这里的接口资源类型信息可包括Uu接口资源类型指示信息，和/或，PC5接口资源类型指示信息。所述Uu接口资源类型指示信息，至少可用于指示Uu接口资源；所述PC5接口资源类型指示信息，至少可用于指示PC5接口资源。
第六：资源周期信息；其中，资源周期信息用于指示周期式发送的低延时业务信息的发送周期。
第七：资源图样信息；其中，所述资源图样信息包括指示期望分配的子帧的偏移信息。
第八：资源数量信息；其中，所述资源数量信息用于指示所需分配的资源数量。
第九：定位信息；其中，所述定位信息用于确定所述用户设备的位置信息。在本实施例中所述定位信息，可包括以下至少其中之一：
所述用户设备的地理位置信息；此处的用户设备的地理位置信息，可用于指示用户设备预备发送所述低时延业务信息时的地理位置。
所述用户设备的移动速度；这里的移动速度为用户设备相对地面或相对于能够提供通信服务的网络设备的移动速度。所述移动速度可以为移动速度的绝对值，也可以是移动速度所归属的等级等信息。
所述用户设备的运动轨迹；这里的移动速度的运动轨迹可为预测的移动速度当前时刻以后的运动轨迹。
所述用户设备的地理位置测量时间。这里的地理位置测量时间，为用户设备在进行前述地理位置信息的时间。
第十：第一逻辑信道标识信息；所述第一逻辑信道标识信息用于指示使用资源的逻辑信道或逻辑信道组。这里的逻辑信道标识可为指示的半静态调度资源的逻辑信道或逻辑信道组。
第十一：缓存状态报告信息；所述缓存状态报告信息用于指示申请资源的低时延业务的缓存状态信息。
在具体实现时，所述定位信息还包括：
位置标识信息；其中，所述位置标识信息为基于用户设备的当前所在地理位置，及地理区域范围标识映射信息确定的；所述地理区域范围标识映射信息用于表征地理区域与位置标识之间的映射关系。
例如，基站将其覆盖形成的小区进行再次划分，将小区划分为多个地理区域，并给这些地理区域设置的位置标识。在本实施例中所述位置标识信息可为用户设备所在的小区内的位置标识。1个所述位置标识能够表示1 个所述地理区域。这样的话，若作为网络控制单元的基站接收到用户设备发送的位置标识信息之后，就能够确定出用户设备在自身覆盖形成的小区的哪一个地理区域。
所述方法还包括：接收网络控制单元发送的地理区域范围标识映射信息。
在本实施例中所述网络控制单元，在接收所述低时延业务信息之前，会发送所述地理区域范围标识映射信息。例如，网络控制单元通过广播或组播方式发送所述地理区域范围标识映射信息。再例如，所述用户设备通过接收网络控制单元发送的系统消息或者专有消息，接收所述地理区域范围标识映射信息。在本实施例中所述专有消息可包括专有RRC消息。
在具体实现过程中，所述地理区域有很多种，在本实施例中所述地理区域根据区域的形状划分，可包括圆形区域和矩形区域。此时，所述地理区域范围标识映射信息包括以下至少其中之一；圆形区域的中心位置列表、半径信息及对应的位置标识；矩形区域的三个顶点的位置信息及对应的位置标识。
对应于圆形区域，当用户设备检测到直接的地理位置之后，将自身的位置信息与圆形区域的中心位置进行比较，再根据圆形区域的半径信息，确定出用户设备当前位于哪一个圆形区域内，确定了用户设备所在的圆形区域之后，向网络控制单元发送该圆形区域的位置标识。
对于矩形区域，当用户设备检测到直接的地理位置之后，将自身的位置信息与矩形区域的三个顶点的位置信息进行比较，根据比较结果，确定出用户设备所在的矩形区域之后，向网络控制单元发送该矩形区域的位置标识。
在本实施例中，所述步骤S110具体可包括：
利用无线资源控制RRC消息发送所述低时延业务信息。
这里的RRC消息可包括边链路用户设备信息SidelinkUEInfomation消息、用户设备信息响应UEInformationResponse消息、低时延业务指示消息或车联网业务指示信息等消息。故，所述步骤S110具体又可包括：利用边链路用户设备信息消息、用户设备信息响应消息、低时延指示信息及车联网业务指示信息的至少其中之一发送所述低时延业务信息。
当然在本实施例中，所述步骤S110还可包括：将携带有所述低时延业务信息的媒体介入控制单元MCE CE发送给所述网络控制单元。
总之，在本实施例中所述用户设备在进行低时延业务的资源申请时，至少会向网络控制单元发送低时延业务信息，这样方便网络控制单元根据低时延业务信息，对应的分配资源，从而满足低时延业务信息传输的时延要求。
实施例二：
如图3所示，本实施例提供一种资源分配方法，所述方法包括：
步骤S210：接收用户设备发送的低时延业务信息；
步骤S220：根据所述低时延业务信息进行资源分配；
步骤S230：基于资源分配的结果，向所述用户设备发送资源分配信息。
本实施例所述的方法为应用于网络控制单元中的方法，在本实施例中所述网络控制单元可为基站、路边单元或中继节点等各种能够进行资源调度或分配的通信节点。在本实施例中所述低时延业务可包括前述的V2X业务。
本实施例中接收的所述网络控制节点在响应资源请求，分配资源时，将根据所述低时延业务信息来进行资源分配。以尽可能的满足低时延业务的资源需求，例如，满足资源的时延性要求。
在步骤S220中将进行资源分配，在步骤S230中将基于资源分配的结果，向用户设备发送资源分配信息。这样方便，用户设备根据所述资源分 配信息，在对应的资源上发送所述低时延业务的业务内容。
总之，本实施例中所述网络控制单元在响应资源请求时，还将会接收到低时延业务信息，这些信息为网络控制单元分配资源的分配依据。这样就能够区分于普通时延业务，以满足低时延业务的低时延需求。
以下具体介绍一下所述低时延业务的信息内容；所述低时延业务信息包括以下至少其中之一：
低时延业务类型信息；其中，所述低时延业务类型信息用于指示低时延业务类型；
低时延业务优先级；其中，所述低时延业务优先级用于指示低时延业务类型的优先级；
第一服务质量等级QCI指示信息；其中，所述第一QCI指示信息用于指示低时延业务的时延和/或可靠性需求等级；
移动速度等级指示信息；其中，所述移动速度等级指示信息，用于指示用户设备的移动速度信息；所述移动速度信息包括用户设备的移动速度和/或移动速度等级；
资源类型指示信息；其中，所述资源类型信息用于指示低时延业务所需的资源类型；
资源周期信息；其中，资源周期信息用于指示周期式发送的低延时业务信息的发送周期；
资源图样信息；其中，所述资源图样信息包括指示期望分配的子帧的偏移信息；
资源数量信息；其中，所述资源数量信息用于指示所需分配的资源数量；
定位信息；其中，所述定位信息用于确定所述用户设备的位置信息。这里的所述定位信息，可包括：所述用户设备的地理位置信息；所述用户 设备的移动速度；所述用户设备的运动轨迹；所述用户设备确定地理位置的地理位置测量时间；当然所述定位信息还包括：位置标识信息；其中，所述位置标识信息为基于用户设备的当前所在地理位置，及地理区域范围标识映射信息确定的；所述地理区域范围标识映射信息用于表征地理区域与位置标识之间的映射关系；
第一逻辑信道标识信息；所述第一逻辑信道标识信息用于指示使用资源的逻辑信道或逻辑信道组；例如，所述第一逻辑信道标识信息可以用于指示能够使用的半静态资源的逻辑信道或逻辑信道标识。
缓存状态报告信息；所述缓存状态报告信息用于指示申请资源的低时延业务的缓存状态信息。
在进行资源分配时，网络控制单元根据不同给的低时延业务信息，将确定出不同的资源分配参数；以下介绍所述步骤S220中，根据低时延业务信息中的不同的信息，进行的资源分配的操作。所述步骤S220可包括以下至少其中之一：
根据所述低时延业务类型信息确定所需分配的资源数量、资源周期和延时需求；
根据所述低时延业务信息及所述低时延业务优先级或第一QCI指示信息，确定所需分配的资源数量、资源周期及延期需求等级；例如，本实施例中所述第一QCI指示信息可以用于指示可以使用的半静态资源的QCI等级；
根据所述定位信息，确定预测所述用户设备在发送所述低时延业务时的地理位置；基于所述地理位置，确定出距离在指定范围内的两个用户设备分配不同的子帧资源；
根据所述资源类型指示信息，确定所需分配的资源类型并根据所述资源类型进行资源分配；
根据所述资源周期信息，确定所需分配资源的发送周期，并按所述发送周期分配资源；
根据所述资源图样信息，确定所分配子帧的偏移信息；根据所述偏移信息分配子帧资源；
根据所述资源数量，确定所需分配的资源数量，并按照所述资源数量进行资源分配；
根据所述第一逻辑信道标识信息，确定所分配资源的逻辑信道标识或逻辑信道标识组；为申请资源的低时延业务分配对应于所述逻辑信道标识或所述逻辑信道标识组的资源；
根据所述缓存容量信息，确定所需资源的数量。
当所述低时延业务信息包括定位信息时，则所述方法还包括：
发送所述地理区域范围标识映射信息。
在本实施例中所述网络单元会发送所述地理区域范围标识映射信息，方便用户设备在接收到所述地理区域范围标识映射信息，确定用户设备所在的地理区域。
例如，所述网络控制单元可通过各种广播消息或组播消息发送，例如，通过系统消息发送所述地理区域范围标识映射信息，这样的话，在所述网络控制单元的无线信号的覆盖范围内的用户设备都可能接收到所述地理区域范围标识映射信息。
所述步骤S220中的根据所述定位信息，确定用户设备的地理位置，可包括：
根据所述用户设备的地理位置信息，与所述用户设备的移动速度、所述用户设备的运动轨迹及所述用户设备确定地理位置的地理位置测量时间的至少其中之一，预测所述用户设备在发送所述低时延业务时的地理位置。作为本实施例的进一步改进，此处的所述步骤S220还可包括：根据所述地 理位置，向距离在指定范围内的两个用户设备分配不同的子帧资源，避免同频干扰、减少重传，以提升业务的响应速率。
所述步骤S220可包括：根据所述低时延业务信息进行半静态资源的资源分配。所述步骤S230可包括：发送一个或多个半静态资源的资源分配信息。在本实施例中所述网络控制单元进行的资源分配是半静态资源的资源分配。
具体地，所述半静态调度配置信息包括以下至少其中之一：
半静态资源类型信息，其中，所述半静态资源类型信息，用于指示所述半静态资源使用接口类型；这里的接口类型可包括Uu接口或PC5接口。
使用半静态资源的业务类型信息，其中，所述使用半静态资源的业务类型信息，用于指示使用所述半静态资源的低时延业务类型。在本实施例中可以通过哪些业务可以使用当前分配的半静态资源。例如，可以通过所述使用半静态资源的业务类型信息，来指定V2X业务中的V2V和V2N业务使用分配的半静态资源。
在本实施例中，所述半静态调度配置信息还包括以下至少其中之一：
所述第二QCI指示信息，还用于指示能够使用的所述半静态资源的业务的QCI等级；第二逻辑信道信息，用于指示能够使用的半静态资源的逻辑信道或逻辑信道组
在本申请实施例中“第一”和“第二”并没有特别的含义，只是为了区别来自不同网元的发送的QCI指示信息或逻辑信道信息等。
这样的话，在进行资源分配时，所述UE能够根据所述第二QCI指示信息，确定可以使用的半静态资源的QCI等级、逻辑信道或逻辑信道组等信息。
在发送所述发送一个或多个半静态资源的资源分配信息时，通过无线资源控制RRC消息发送所述半静态资源的资源分配信息。这里的RRC消 息具体包括的消息类型可以参见前一实施例。
总之，本实施例中所述资源分配方法，将通过接收低时延业务信息来进行资源分配，这样就能够满足低时延业务的低时延要求
实施例三：
如图4所示，本实施例提供一种用户设备UE，所述用户设备包括：
第一发送单元110，配置为向网络控制单元发送低时延业务信息；
第一接收单元120，配置为接收资源分配信息，所述资源分配信息由网络控制单元基于所述低时延业务信息进行资源分配形成的。
本实施例提供了一种用户设备，该用户设备可为各种终端设备，例如，车载终端设备。
所述第一发送单元110和所述第一接收单元120都对应于通信接口。在本实施例中所述通信接口通常为无线接口。例如，车载设备的移动天线等。
在本实施例中所述用户设备在请求资源时，所述第一发送单元110不仅会发送资源请求，还会发送所述低时延业务信息，这样就方便网络控制单元根据低时延业务信息，分配的资源，能够满足低时延业务的时延要求。
在本实施例中所述低时延业务信息的信息内容可以参见实施一或实施例二，在此就不重复了。
所述第一接收单元120，还配置为接收网络控制单元发送的地理区域范围标识映射信息；所述第一发送单元110，还用于发送的低时延业务信息中的位置标识信息；其中，所述位置标识信息为基于用户设备的当前所在地理位置，及地理区域范围标识映射信息确定的；所述地理区域范围标识映射信息用于表征地理区域与位置标识之间的映射关系。
在本实施例中所述用户设备的第一接收单元120会所述地理区域范围标识映射信息，这样所述用户设备在通过全球定位系统(GPS，Global  Position System)芯片等各种定位结构，定位出自身的当前地理位置之后，所述用户设备的如中央处理器、微处理器或数字信号处理器等各种处理芯片，根据所述地理区域范围标识映射信息确定出且其所在位置对应的地理区域的位置标识；将该位置标识发送给网络控制单元，则网络控制单元就知道用户设备当前所在的位置。这样就方便网络控制单元根据各个用户设备所在的位置进行资源的分配，避免同频干扰等问题。
总之，本实施例所述的用户设备可以用于实现实施例一中所述资源申请方法的一个或多个技术方案，能够通过低时延业务信息的发送，能够使得网络控制单元根据所述低时延业务信息来进行资源分配，从而减少低时延业务因分配资源迟，资源的使用时间迟导致的延时大等问题。
实施例四：
如图5所示，本实施例提供一种网络控制单元，所述网络控制单元包括：
第二接收单元210，配置为接收用户设备发送的低时延业务信息；
分配单元220，配置为根据所述低时延业务信息进行资源分配；
第二发送单元230，配置为基于资源分配的结果，向所述用户设备发送资源分配信息。
本实施例所述网络控制单元可包括基站、中继节点或路边单元等各种能够分配资源的通信节点。
所述第二接收单元210、第二发送单元230对应的为通信接口，通信接口能够与用户设备进行信息交互。
在本实施例中所述第二接收单元210会接收低时延业务信息，所述分配单元220在进行资源分配时，基于低时延业务信息来进行资源分配。这里的分配单元220可对应于网络控制单元中的各种处理器或处理电路。这里的处理器及处理电路的结构可以参见前述实施例中的对应描述。
在具体的实现过程中，所述第二发送单元230还用于发送地理区域范围标识映射信息等，这样方便用户设备根据所述地理区域范围标识映射信息确定自身当前所在的地理区域。
总之，本实施例所述的网络控制单元可以用于实现实施例二中所述资源分配方法的一个或多个技术方案，能够通过低时延业务信息的接收，根据所述低时延业务信息来进行资源分配，从而减少低时延业务因分配资源迟，资源的使用时间迟导致的延时大等问题。
以下结合上述任意一个示例提供几个具体应用示例：
示例一：
本示例中，车辆设备A启动后，接入LTE网络中，需要周期的发送V2X业务信息，用于向周边的车辆指示速度，运行轨迹等信息，为此，需要向网络侧申请发送该V2X消息的资源。本示例中基于前述资源申请和/或资源分配方法，如图6所示，可以采用如下步骤进行资源申请：
步骤1：车辆设备A通过专有RRC消息向基站发送V2X业务信息，V2X业务信息包括：V2X业务类型信息、者业务优先级或QCI指示信息以及资源类型指示信息，和/或速度信息；
其中，业务类型信息包括：车联网业务类型信息、V2V业务类型信息、V2I业务类型信息、V2P业务类型信息、V2N业务类型信息、事件触发式业务类型信息、周期发送式业务类型信息。
低时延业务优先级用于指示所述业务的优先级。
所述QCI指示信息用于指示所述业务的优先级以及时延需求等级。
所述RRC消息包括：边链路用户设备信息SidelinkUEInformation消息，用户设备信息响应UEInformationResponse消息，低时延业务指示消息，或者车联网业务指示消息。
步骤2：基站根据V2X业务类型信息或者业务优先级后QCI指示信 息确定所需资源的数量和资源周期。如果V2X业务信息中还包括速度等级信息，那么基站还需要根据速度信息确定所需资源的资源周期。
基站根据资源类型信息确定车辆设备A申请的是PC5资源还是Uu资源，从而为其确定发送资源池范围，结合资源数量和资源周期为车辆设备A分配时频资源。
步骤3：基站发送资源分配信息给车辆设备A，具体地，如果车辆设备A上报的业务类型信息指示该消息为周期发送的消息，基站通过RRC专有消息发送一个或者多个半静态调度配置信息，所述半静态调度配置信息包括：
半静态资源的资源类型信息；用于指示调度的所述半静态资源用PC5接口传输还是Uu口传输。
使用半静态资源的业务类型信息：用于指示所述半静态调度资源用于哪些业务信息的传输，包括具体的低时延业务类型信息。例如，车联网业务类型信息、V2V业务类型信息、V2I业务类型信息、V2P业务类型信息、V2N业务类型信息、事件触发式业务类型信息、周期发送式业务类型信息。或者更加具体地，包括：紧急车辆告警信息，道路安全服务信息等。
进一步的，步骤3之后还可以包括步骤4：车辆设备A接收基站发送的分配信息，并根据资源分配信息确定发送资源，并在所述发送资源上发送V2X消息。
示例二
本示例与示例1的区别在于：
在步骤1中，车辆设备A发送的低时延业务信息还可包括：
资源类型指示信息；资源周期信息；资源图样信息；资源数量信息；
在步骤2中，基站接收到上述信息后则可以根据资源图样信息确定 车辆A车辆设备A需要分配的子帧图样。基站根据车辆A车辆设备A的需求来分配资源，使得分配的子帧位置与车辆A车辆设备A生成V2X消息的时刻保持一致，例如，车辆A车辆设备A根据需求计划在第n个子帧完成V2X消息的生成并发送给底层，基站则将第n+1个子帧分配给车辆A车辆设备A，从而使得发送时延达到最小。
示例三：
本示例提供一种资源分配方法，包括：
步骤11：车辆设备A通过MAC CE来承载低时延业务缓存状态报告(BSR，Buffer Status Report)信息。所述MAC CE对应的MAC子头Subheader中包含专有的逻辑信道标识(LCID)。
参见图7，所述低时延业务BSR信息包括低时延业务的逻辑信道标识V2X LCID以及缓存尺寸。这里的缓存尺寸可对应于缓存容量。或者，参见图8，所述低时延业务BSR信息包括低时延业务的逻辑信道组标识以及缓存容量。在图7展示的MAC CE包括3个字节，这3个字节分别是字节1、字节2、及字节3；其中，每一个字节由逻辑信道标识及缓存尺寸两部分组成。在图8中展示的MAC CE包括4个字节；这4个字节分别是字节1、字节2、字节3及字节4。
步骤12：基站通过所述MCE CE对应的MAC Subheader中的专有LCID确定所述MAC CE用于指示低时延业务BSR信息。从而确定车辆设备A申请的是用于发送V2X等低时延业务的资源，并通过VLCID或者LCG ID判断其优先级，结合申请资源的大小为其分配时频资源。
步骤13：基站发送资源分配信息给车辆设备A，如果步骤1中V2X LCID或者LCG ID指示的信息为周期发送的消息，基站通过RRC专有消息发送一个或者多个半静态调度配置信息，所述半静态调度配置信息包括：
资源类型信息；用于指示所述半静态调度资源用于PC5接口传输还是Uu口传输。
业务类型信息：用于指示所述半静态调度资源用于哪些业务信息的传输，包括具体的低时延业务类型信息。例如，车联网业务类型信息、V2V业务类型信息、V2I业务类型信息、V2P业务类型信息、V2N业务类型信息、事件触发式业务类型信息、周期发送式业务类型信息。或者更加具体地，包括：紧急车辆告警信息，道路安全服务信息等。
如果步骤11中车辆设备A上报的业务类型信息指示该消息为事件触发式的发送消息，基站通过V2X专有的RNTI加扰资源分配指示信息，通过物理下行控制信道发送动态调度的资源。
步骤14：车辆设备A接收基站发送的低时延业务资源分配信息，并根据资源分配信息确定发送资源，并在所述发送资源上发送V2X消息。
示例四：
网络侧的网络控制单元(这里的网络控制单元可为基站或者高层网元，高层网元包括V2X服务器，V2X控制功能实体，移动管理实体MME,，网关等)为不同的V2X业务分配不同的V2X LCID；进一步的再根据不同的V2X业务根据事件触发式，周期发送式，不同的周期，QCI需求等，分成不同的V2V LCG。具体地：网络侧为事件触发式类型的V2X业务和周期发送式的V2X业务分配不同的V2V LCG ID，进一步地，对于事件触发式的V2X消息，根据不同的时延需求，优先级需求，或者QCI需求分配不同的V2V LCG ID,对于周期发送式的V2X消息，根据不同的周期需求，优先级需求，或者QCI需求分配不同的V2V LCG ID。如图9所示，本示例的方法还包括以下步骤。
步骤21：网络控制单元通过系统消息发送V2V LCID与V2V LCG ID的映射关系。
步骤22：车辆设备A通过MAC CE来指示低时延业务BSR信息。所述MAC CE对应的MAC Subheader中包含专有的逻辑信道标识(LCID)。
步骤23：网络控制单元通过所述MCE CE对应的MAC子头中的专有LCID确定所述MAC CE用于指示低时延业务BSR信息。从而确定车辆设备A申请的是用于发送V2X等低时延业务的资源，并通过VLCID或者LCG ID判断其优先级，结合申请资源的大小为其分配时频资源。
进一步的，步骤23之后还可以包括步骤24：网络控制单元发送资源分配信息给车辆设备A，如果步骤22中V2X LCID或者LCG ID指示的信息为周期发送的消息，基站通过RRC专有消息发送一个或者多个半静态调度配置信息，所述半静态调度配置信息包括：
资源类型信息；用于指示所述半静态调度资源用于PC5接口传输还是Uu口传输。
业务类型信息：用于指示所述半静态调度资源用于哪些业务信息的传输，包括具体的低时延业务类型信息。例如，车联网业务类型信息、V2V业务类型信息、V2I业务类型信息、V2P业务类型信息、V2N业务类型信息、事件触发式业务类型信息、周期发送式业务类型信息。或者更加具体地，包括：紧急车辆告警信息，道路安全服务信息等。
在具体实现过程中，通过V2X业务的无线网络临时标识RNTI加扰资源分配信息，以提高信息的安全性。
步骤25：车辆设备A接收网络控制单元发送的低时延业务资源分配信息，并根据资源分配信息确定发送资源，并在所述发送资源上发送V2X消息。
示例五：
在本示例中，车辆设备B具有定位功能，可以实时获取自己的位置 信息，并且将该位置信息发送给基站。由于车辆设备B发送的V2X消息需要能够被周围的车辆正确的接收，而周围的车辆也有可能需要发送V2X消息，考虑到半双工的影响(终端在同一个子帧同一个频带上不能同时接收信息和发送信息)，因此，基站需要为地理位置邻近的车辆分配不同的子帧。
由于终端是不断移动的，如果通过RRC消息上报地理位置，其时效性是存在问题的(40～60毫秒)，因此在上报地理位置的同时还要上报速度、运动轨迹以及位置测量时刻的信息。基站根据上报速度、运动轨迹以及位置测量时刻的信息确定终端发送V2X消息时的位置信息，避免为地理位置相邻且在彼此发送的V2X消息期望接收的范围的车辆分配相同的子帧资源。具体地，参见图10：
步骤31：基站通过RRC消息发送指示信息，所述指示置信息指示终端上报位置信息。
步骤32：车辆设备B通过上行RRC消息中的测量结果信息将位置信息发给基站，其中位置信息包括：地理位置信息，速度等级指示、运动轨迹指示以及测量时刻指示信息。
步骤33：基站根据地理位置信息，速度等级指示、运动轨迹指示以及测量时刻指示信息来计算出当前时刻的位置，为车辆设备B分配资源，从而确保车辆设备B与周围的车辆分配不同的子帧，避免半双工的影响。
示例六：
在本示例中，车辆设备B具有定位功能，可以实时获取自己的位置信息，并且将该位置信息发送给基站。由于车辆设备B发送的V2X消息需要能够被周围的车辆正确的接收，而周围的车辆也有可能需要发送V2X消息，考虑到半双工的影响(终端在同一个子帧同一个频带上不能同时接收信息和发送信息)，因此，基站需要为地理位置邻近的车辆分 配不同的子帧。
与示例五的区别在于，本示例中车辆设备B通过MAC CE上报位置信息，这种方式的时效性较强。
如果通过经纬度以及南北半球的指示方式来指示地理位置，根据现有技术中LTE的定义，需要的开销大小为48bits。但对于基站来说，它只需要保证一定区域内的终端不分配相同的子帧资源，也就是说它并不需要知道过于详细的位置信息，因此，为了节省开销，基站可以将各小区覆盖范围区域进一步的划分为小的区域，并给各小区域进行编号，例如基站将小区划分为N个小区域，并把相应坐标和小区域的映射关系通过广播的方式通知给UE，UE只需判断出自己所处的小区域位置，将相应的小区域索引上报给基站即可，这样上报地理位置信息的开销则大大的减小。例如，当N为64的时候，则只需要6bits来指示位置信息。具体步骤如下：
基站发送地理区域范围标识映射信息。进一步地，基站通过系统消息发送地理区域范围标识映射信息。
可包括以下两种映射方式：
方式1：发送圆形区域的中心位置信息列表以及半径信息。
例如，中心位置信息列表如下
索引1 中心位置信息1
索引2 中心位置信息2
索引3 中心位置信息3
…… ……
根据中心位置地理坐标以及半径的大小就可确定每个index对应的地理区域范围。
方式2：发送矩形区域的三个点的位置信息。
索引1 边界位置信息1-1,1-2,1-3
索引2 边界位置信息2-1,2-2,2-3
索引3 边界位置信息3-1,3-2,3-3
…… ……
根据三个边界位置地理坐标确定每个index对应的地理区域范围。
其中，index1～indexN信息可以不发送，通过排序的位置即可获得。
车辆设备B获取自己的位置信息后，根据所述地理区域范围标识映射信息确定自己属于哪个区域范围，从而确定位置信息标识。
车辆设备B将位置信息标识发给基站，包括，车辆设备B通过MAC CE将位置信息标识和/或速度等级信息发给基站。或者，UE通过上行物理控制信道将位置信息标识指示信息发送给基站。又或者，UE在低时延业务的BSR MAC CE中添加位置信息，一种BSR MAC CE格式见图11和图12。需要说明的是，本发明所设计的BSR MAC CE并不仅仅只是包含图11和图12所示的格式，任何包含位置信息标识，速度等级信息，LCID或者LCG ID以及缓冲大小的MACE CE都在本发明的保护范围之内。
基站根据位置标识信息，确定发送低时延业务信息的终端的位置信息，为车辆设备B分配资源，从而确保车辆设备B与周围的车辆分配不同的子帧，避免半双工的影响。
本发明实施例提供一种计算机存储介质，所述计算机存储介质中存储有计算机可执行指令，所述计算机可执行指令用于执行前述任意一个技术方案提供的所述资源申请方法，例如，可用于执行图2、图3、图6、图9及图10任意一个所示的方法。
所述计算机存储介质，可包括随机存储介质、只读存储介质、闪存、光盘或DVD等各种存储介质，可选为非瞬间存储介质。
在本申请所提供的几个实施例中，应该理解到，所揭露的设备和方 法，可以通过其它的方式实现。以上所描述的设备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，如：多个单元或组件可以结合，或可以集成到另一个系统，或一些特征可以忽略，或不执行。另外，所显示或讨论的各组成部分相互之间的耦合、或直接耦合、或通信连接可以是通过一些接口，设备或单元的间接耦合或通信连接，可以是电性的、机械的或其它形式的。
上述作为分离部件说明的单元可以是、或也可以不是物理上分开的，作为单元显示的部件可以是、或也可以不是物理单元，即可以位于一个地方，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全部单元来实现本实施例方案的目的。
另外，在本发明各实施例中的各功能单元可以全部集成在一个处理模块中，也可以是各单元分别单独作为一个单元，也可以两个或两个以上单元集成在一个单元中；上述集成的单元既可以采用硬件的形式实现，也可以采用硬件加软件功能单元的形式实现。
本领域普通技术人员可以理解：实现上述方法实施例的全部或部分步骤可以通过程序指令相关的硬件来完成，前述的程序可以存储于一计算机可读取存储介质中，该程序在执行时，执行包括上述方法实施例的步骤；而前述的存储介质包括：移动存储设备、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，凡按照本发明原理所作的修改，都应当理解为落入本发明的保护范围。

Claims (27)

  1. 一种资源申请方法，所述方法包括：
    向网络控制单元发送低时延业务信息；
    接收资源分配信息，所述资源分配信息由网络控制单元基于所述低时延业务信息进行资源分配形成的。
  2. 根据权利要求1所述的方法，其中，
    所述低时延业务信息包括以下至少其中之一：
    低时延业务类型信息；其中，所述低时延业务类型信息用于指示低时延业务类型；
    低时延业务优先级；其中，所述低时延业务优先级用于指示低时延业务类型的优先级；第一服务质量等级QCI指示信息；其中，所述第一QCI指示信息用于指示低时延业务的时延和/或可靠性需求等级；
    移动速度等级指示信息；其中，所述移动速度等级指示信息，用于指示用户设备的移动速度等级；
    资源类型指示信息；其中，所述资源类型信息用于指示低时延业务所需的资源类型；
    资源周期信息；其中，资源周期信息用于指示周期式发送的低延时业务信息的发送周期；
    资源图样信息；其中，所述资源图样信息包括指示期望分配的子帧的偏移信息；
    资源数量信息；其中，所述资源数量信息用于指示所需分配的资源数量；
    定位信息；其中，所述定位信息用于确定所述用户设备的位置信息；
    第一逻辑信道标识信息；所述第一逻辑信道标识信息用于指示使用资 源的逻辑信道或逻辑信道组；
    缓存状态报告信息；所述缓存状态报告信息用于指示申请资源的低时延业务的缓存状态信息。
  3. 根据权利要求2所述的方法，其中，
    所述低时延业务类型信息包括以下至少其中之一：
    车联网业务类型信息；
    车与车通信V2V业务类型信息；
    车与网络通信V2I业务类型信息；
    车与人通信V2P业务类型信息；
    车与网络基础设备通信V2N业务类型信息；
    事件触发业务类型信息；
    周期发送式业务类信息。
  4. 根据权利要求2所述的方法，其中，
    所述资源类型指示信息包括以下至少其中之一；
    Uu接口资源类型指示信息；
    PC5接口资源类型指示信息。
  5. 根据权利要求2所述的方法，其中，
    所述资源图样信息包括：期望分配的子帧的偏移信息。
  6. 根据权利要求2所述的方法，其中，
    所述定位信息，包括以下的一个或多个：
    所述用户设备的地理位置信息；
    所述用户设备的移动速度；
    所述用户设备的运动轨迹；
    所述用户设备的地理位置测量时间。
  7. 根据权利要求2所述的方法，其中，
    所述定位信息还包括：
    位置标识信息；其中，所述位置标识信息为基于用户设备的当前所在地理位置，及地理区域范围标识映射信息确定的；所述地理区域范围标识映射信息用于表征地理区域与位置标识之间的映射关系。
  8. 根据权利要求7所述的方法，其中，
    所述方法还包括：
    接收网络控制单元发送的地理区域范围标识映射信息。
  9. 根据权利要求8所述的方法，其中，
    所述接收网络控制单元发送的地理区域范围标识映射信息，包括：
    通过接收网络控制单元发送的系统消息，接收所述地理区域范围标识映射信息；
    或者,
    通过接收网络控制单元发送的专有消息，接收所述地理区域范围标识映射信息。
  10. 根据权利要求7所述的方法，其中，
    所述地理区域范围标识映射信息包括以下至少其中之一；
    圆形区域的中心位置列表、半径信息及对应的位置标识；
    矩形区域的三个顶点的位置信息及对应的位置标识；
    其中，所述圆形区域和所述矩形区域均为所述地理区域。
  11. 根据权利要求1至10任一项所述的方法，其中，
    所述向网络控制单元发送低时延业务信息，包括：
    利用无线资源控制RRC消息发送所述低时延业务信息。
  12. 根据权利要求11所述的方法，其中，
    所述通过无线资源控制RRC消息发送所述低时延业务信息，包括：
    利用边链路用户设备信息消息、用户设备信息响应消息、低时延指示 信息及车联网业务指示信息的至少其中之一发送所述低时延业务信息。
  13. 根据权利要求1所述的方法，其中，
    所述向网络控制单元发送低时延业务信息，包括：
    将携带有所述低时延业务信息的媒体介入控制单元MCE CE发送给所述网络控制单元。
  14. 一种资源分配方法，所述方法包括：
    接收用户设备发送的低时延业务信息；
    根据所述低时延业务信息进行资源分配；
    基于资源分配的结果向所述用户设备发送资源分配信息。
  15. 根据权利要求14所述的方法，其中，
    所述低时延业务信息包括以下至少其中之一：
    低时延业务类型信息；其中，所述低时延业务类型信息用于指示低时延业务类型；
    低时延业务优先级；其中，所述低时延业务优先级用于指示低时延业务类型的优先级；
    第一服务质量等级QCI指示信息；其中，所述第一QCI指示信息用于指示低时延业务的时延和/或可靠性需求等级；
    移动速度等级指示信息；其中，所述移动速度等级指示信息，用于指示用户设备的移动速度信息；所述移动速度信息包括用户设备的移动速度和/或移动速度等级；
    资源类型指示信息；其中，所述资源类型信息用于指示低时延业务所需的资源类型；
    资源周期信息；其中，资源周期信息用于指示周期式发送的低延时业务信息的发送周期；
    资源图样信息；其中，所述资源图样信息包括指示期望分配的子帧的 偏移信息；
    资源数量信息；其中，所述资源数量信息用于指示所需分配的资源数量；
    定位信息；其中，所述定位信息用于确定所述用户设备的位置信息；
    第一逻辑信道标识信息；所述第一逻辑信道标识信息用于指示使用资源的逻辑信道或逻辑信道组；
    缓存状态报告信息；所述缓存状态报告信息用于指示申请资源的低时延业务的缓存状态信息。
  16. 根据权利要求15所述的方法，其中，
    所述根据所述低时延业务信息进行资源分配，包括以下至少其中之一：
    根据所述低时延业务类型信息确定所需分配的资源数量、资源周期和延时需求；
    根据所述低时延业务信息及所述低时延业务优先级或第一QCI指示信息，确定所需分配的资源数量、资源周期及延期需求等级；
    根据所述定位信息，确定预测所述用户设备在发送所述低时延业务时的地理位置；基于所述地理位置，确定出距离在指定范围内的两个用户设备分配不同的子帧资源；
    根据所述资源类型指示信息，确定所需分配的资源类型并根据所述资源类型进行资源分配；
    根据所述资源周期信息，确定所需分配资源的发送周期，并按所述发送周期分配资源；
    根据所述资源图样信息，确定所分配子帧的偏移信息；根据所述偏移信息分配子帧资源；
    根据所述资源数量，确定所需分配的资源数量，并按照所述资源数量进行资源分配；
    根据所述第一逻辑信道标识信息，确定所分配资源的逻辑信道标识或逻辑信道标识组；为申请资源的低时延业务分配对应于所述逻辑信道标识或所述逻辑信道标识组的资源；
    根据所述缓存容量信息，确定所需资源的数量。
  17. 根据权利要求16所述的方法，其中，
    所述定位信息包括：
    所述用户设备的地理位置信息；
    所述用户设备的移动速度；
    所述用户设备的运动轨迹；
    所述用户设备确定地理位置的地理位置测量时间。
  18. 根据权利要求17所述的方法，其中，
    所述定位信息还包括：
    位置标识信息；其中，所述位置标识信息为基于用户设备的当前所在地理位置，及地理区域范围标识映射信息确定的；所述地理区域范围标识映射信息用于表征地理区域与位置标识之间的映射关系。
  19. 根据权利要求18所述的方法，其中，
    所述方法还包括：
    发送所述地理区域范围标识映射信息。
  20. 根据权利要求17所述的方法，其中，
    所述根据所述定位信息，确定用户设备的地理位置，包括：
    根据所述用户设备的地理位置信息，与所述用户设备的移动速度、所述用户设备的运动轨迹及所述用户设备确定地理位置的地理位置测量时间的至少其中之一，预测所述用户设备在发送所述低时延业务时的地理位置。
  21. 根据权利要求14所述的方法，其中，
    所述根据所述低时延业务信息进行资源分配，包括：
    根据所述低时延业务信息进行半静态资源的资源分配；
    所述基于资源分配的结果向所述用户设备发送资源分配信息，包括：
    发送一个或多个半静态资源的资源分配信息。
  22. 根据权利要求21所述的方法，其中，
    所述半静态调度配置信息包括以下至少其中之一：
    半静态资源类型信息，其中，所述半静态资源类型信息，用于指示所述半静态资源使用接口类型；
    使用半静态资源的业务类型信息，其中，所述使用半静态资源的业务类型信息，用于指示使用所述半静态资源的低时延业务类型；
    所述第二QCI指示信息，还用于指示能够使用的所述半静态资源的业务的QCI等级；
    第二逻辑信道信息，用于指示能够使用的半静态资源的逻辑信道或逻辑信道组。
  23. 根据权利要求21所述的方法，其中，
    所述发送一个或多个半静态资源的资源分配信息，包括：
    通过无线资源控制RRC消息发送一个或多个所述半静态资源的资源分配信息。
  24. 一种用户设备UE，所述用户设备包括：
    第一发送单元，配置为向网络控制单元发送低时延业务信息；
    第一接收单元，配置为接收资源分配信息，所述资源分配信息由网络控制单元基于所述低时延业务信息进行资源分配形成的。
  25. 根据权利要求24所述的UE，其中，
    所述第一接收单元，还配置为接收网络控制单元发送的地理区域范围标识映射信息；
    所述第一发送单元，还配置为发送的低时延业务信息中的位置标识信 息；其中，所述位置标识信息为基于用户设备的当前所在地理位置，及地理区域范围标识映射信息确定的；所述地理区域范围标识映射信息用于表征地理区域与位置标识之间的映射关系。
  26. 一种网络控制单元，
    所述网络控制单元包括：
    第二接收单元，配置为接收用户设备发送的低时延业务信息；
    分配单元，配置为根据所述低时延业务信息进行资源分配；
    第二发送单元，配置为基于资源分配的结果，向所述用户设备发送资源分配信息。
  27. 一种计算机存储介质，所述计算机存储介质中存储有计算机可执行指令，所述计算机可执行指令用于执行权利要求1至3任一项所述资源申请方法。
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