WO2017143530A1 - 接口资源选择装置、方法以及通信系统 - Google Patents

接口资源选择装置、方法以及通信系统 Download PDF

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Publication number
WO2017143530A1
WO2017143530A1 PCT/CN2016/074430 CN2016074430W WO2017143530A1 WO 2017143530 A1 WO2017143530 A1 WO 2017143530A1 CN 2016074430 W CN2016074430 W CN 2016074430W WO 2017143530 A1 WO2017143530 A1 WO 2017143530A1
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WIPO (PCT)
Prior art keywords
information
resource
user equipment
interface resource
air interface
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PCT/CN2016/074430
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English (en)
French (fr)
Inventor
吴联海
徐海博
周华
Original Assignee
富士通株式会社
吴联海
徐海博
周华
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Application filed by 富士通株式会社, 吴联海, 徐海博, 周华 filed Critical 富士通株式会社
Priority to PCT/CN2016/074430 priority Critical patent/WO2017143530A1/zh
Publication of WO2017143530A1 publication Critical patent/WO2017143530A1/zh

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W36/00—Hand-off or reselection arrangements
    • H04W36/14—Reselecting a network or an air interface

Definitions

  • the present invention relates to the field of wireless communication technologies, and in particular, to an interface resource selection apparatus, method, and communication system.
  • V2X Vehicle-to-everything
  • FIG. 1 is a schematic diagram of a typical application scenario of vehicle networking communication.
  • the vehicle networking communication may include three typical application scenarios: vehicle-to-vehicle communication (V2V, Vehicle-to-Vehicle), which is applied to fast moving. Communication between vehicles (such as vehicle 1 and vehicle 2 shown in Figure 1); Vehicle-to-Pedestrian (V2P, Vehicle-to-Pedestrian), applied to fast moving vehicles and pedestrians of handheld user equipment (as shown in Figure 1) Communication between the vehicle 1 and the pedestrian); and V2I (Vehicle-to-Infrastructure), that is, communication between the vehicle and the infrastructure (such as the vehicle 1 and the base station shown in FIG. 1).
  • V2V Vehicle-to-vehicle communication
  • V2P Vehicle-to-Pedestrian
  • FIG. 1 is a schematic diagram of a typical application scenario of vehicle networking communication.
  • the vehicle networking communication may include three typical application scenarios: vehicle-to-vehicle communication (V2V, Vehicle-to-Vehi
  • the V2V scenario can be used to transmit V2V information after the user equipment (UE, User Equipment) with similar distances is authorized by the Evolved Universal Terrestrial Radio Access Network (E-UTRAN).
  • the V2V information may include location information, terminal attribute information, etc.; the size of the V2V information should also be variable.
  • the sidelink communication method means that the data packet does not need to pass through the core network and the base station, and the user equipment UE1 and UE2 can directly establish a communication link to perform communication.
  • Side link communication can also be referred to as device to device (D2D) communication.
  • the edge link discovery process is generally performed before the sidelink communication is performed. For example, before UE1 sends information to UE2 through side-link communication, it is first found whether UE2 is nearby.
  • FIG. 2 is a schematic diagram of side link communication, showing two cases in which UEs (UE1 and UE2) under the coverage of a base station (eg, eNB) perform edge link discovery or establish side link communication.
  • 3 is another schematic diagram of side link communication, showing one UE (UE1) under base station coverage and another UE (UE2) not under base station coverage When performing edge link discovery or establishing side link communication.
  • 4 is another schematic diagram of side link communication, showing two cases in which UEs (UE1 and UE2) that are not covered by the base station perform edge link discovery or establish side link communication.
  • the user equipment may be configured with a resource pool before the user equipment performs side link transmission.
  • the SA (Scheduling Assignment) pool in the resource pool can be used to transmit a Physical Side Link Control Channel (PSCCH).
  • PSCCH Physical Side Link Control Channel
  • the PSCCH carries the Sidelink Control Information (SCI) format 0 information.
  • SCI format 0 information is repeatedly transmitted twice in two different subframes in the SA resource pool.
  • V2V information can be transmitted by means of direct transmission between UEs, that is, V2V information is transmitted through an edge link interface (or PC5 interface in some scenarios) without any infrastructure.
  • V2V information can be transmitted through an edge link interface (or PC5 interface in some scenarios) without any infrastructure.
  • the transmission of V2V information through indirect transmission that is, the transmission of V2V information through air interface resources.
  • the user equipment cannot change the transmission V2X information (for example, V2V).
  • the interface resource of the information causes the transmission quality of the V2X information to be degraded or even the transmission to be interrupted.
  • Embodiments of the present invention provide an interface resource selection apparatus, method, and communication system.
  • the user equipment changes the interface resource for transmitting the V2X information when the preset condition is met, thereby ensuring the transmission quality of the V2X information.
  • a method for selecting an interface resource includes:
  • the user equipment uses the air interface resource or the edge link resource to transmit the V2X information, it is determined whether the preset condition is met;
  • the air interface resource transmits the V2X information.
  • an interface resource selection apparatus configured on a user equipment.
  • the interface resource selection device includes:
  • condition determining unit configured to determine whether a preset condition is met when the user equipment uses the air interface resource or the edge link resource to transmit the V2X information
  • a resource change unit that changes from transmitting the V2X information using the air interface resource to transmitting the V2X information using the edge link resource, or from using the side link, if the preset condition is met
  • the resource transmitting the V2X information is changed to use the air interface resource to transmit the V2X information.
  • a method for selecting an interface resource includes:
  • the base station configures, for the user equipment, an air interface resource or an edge link resource for transmitting V2X information
  • Pre-configuring or reconfiguring the interface resource for the user equipment causing the user equipment to change from using the air interface resource to transmit the V2X information to use the side link resource to transmit, if the preset condition is met V2X information, or changing from transmitting the V2X information using the edge link resource to transmitting the V2X information using the air interface resource.
  • an interface resource selection apparatus includes:
  • a first configuration unit configured to configure, by the user equipment, an air interface resource or an edge link resource for transmitting V2X information
  • a second configuration unit configured to pre-configure or reconfigure an interface resource for the user equipment, and to enable the user equipment to change the V2X information from using the air interface resource to use the edge if a preset condition is met
  • the link resource transmits the V2X information, or changes from transmitting the V2X information using the edge link resource to using the air interface resource to transmit the V2X information.
  • a communication system comprising:
  • the base station is configured with the interface resource selecting apparatus according to the fourth aspect.
  • the user equipment changes the interface resource for transmitting the V2X information when the preset condition is met, thereby ensuring the transmission quality of the V2X information or ensuring that the transmission of the V2X information is not interrupted.
  • FIG. 1 is a schematic diagram of a typical application scenario of car network communication
  • FIG. 3 is another schematic diagram of side link communication
  • FIG. 5 is a schematic diagram of a method for selecting an interface resource according to Embodiment 1 of the present invention.
  • FIG. 6 is another schematic diagram of an interface resource selection method according to Embodiment 1 of the present invention.
  • FIG. 7 is another schematic diagram of an interface resource selection method according to Embodiment 1 of the present invention.
  • FIG. 8 is another schematic diagram of an interface resource selection method according to Embodiment 1 of the present invention.
  • FIG. 9 is a schematic diagram of a method for selecting an interface resource according to Embodiment 2 of the present invention.
  • FIG. 10 is another schematic diagram of an interface resource selection method according to Embodiment 2 of the present invention.
  • FIG. 11 is another schematic diagram of an interface resource selection method according to Embodiment 2 of the present invention.
  • FIG. 12 is a schematic diagram of an interface resource selection apparatus according to Embodiment 3 of the present invention.
  • FIG. 13 is another schematic diagram of an interface resource selection apparatus according to Embodiment 3 of the present invention.
  • FIG. 14 is another schematic diagram of an interface resource selection apparatus according to Embodiment 3 of the present invention.
  • FIG. 15 is a schematic diagram of a user equipment according to Embodiment 3 of the present invention.
  • FIG. 16 is a schematic diagram of an interface resource selection apparatus according to Embodiment 4 of the present invention.
  • FIG. 17 is another schematic diagram of an interface resource selection apparatus according to Embodiment 4 of the present invention.
  • FIG. 18 is a schematic diagram of a base station according to Embodiment 4 of the present invention.
  • Figure 19 is a diagram showing the communication system of Embodiment 5 of the present invention.
  • a base station may be referred to as an access point, a broadcast transmitter, a Node B, an evolved Node B (eNB), etc., and may include some or all of their functions.
  • the term “base station” will be used herein. Each base station provides communication coverage for a particular geographic area.
  • the term “cell” can refer to a base station and/or its coverage area, depending on the context in which the term is used.
  • a mobile station or device may be referred to as a "User Equipment” (UE).
  • UE User Equipment
  • a UE may be fixed or mobile and may also be referred to as a mobile station, terminal, access terminal, subscriber unit, station, and the like.
  • the UE may be a cellular telephone, a personal digital assistant (PDA), a wireless modem, a wireless communication device, a handheld device, a laptop computer, a cordless telephone, and the like.
  • PDA personal digital assistant
  • FIG. 5 is a schematic diagram of a method for selecting an interface resource according to an embodiment of the present invention. As shown in FIG. 5, the method for selecting an interface resource includes:
  • Step 501 When the user equipment uses the air interface resource or the edge link resource to transmit the V2X information, the user equipment determines whether the preset condition is met;
  • Step 502 The user equipment changes from using the air interface resource to transmit V2X information to use the side link resource to transmit V2X information, or from using the edge link resource to transmit V2X information to use the air interface resource to transmit V2X. information.
  • a certain user equipment may perform V2X information transmission with another device (for example, a base station or a user equipment).
  • the V2X information is, for example, information transmitted between devices that perform vehicle networking communication, and may be, for example, V2V information, V2P information, V2I information, V2N (Vehicle-to-Network) information, I2V information, P2V. Information, N2V information, etc.; however, the invention is not limited thereto.
  • the user equipment may change resources for transmitting V2X information under the control of the base station.
  • the base station may be a macro base station (for example, an eNB), and a macro cell (for example, a Macro cell) generated by the macro base station may be used.
  • the user equipment is provided with a service; or the base station may also be a micro base station, and a micro cell (for example, a Pico cell or a small cell) generated by the micro base station may provide a service for the user equipment.
  • the user equipment can change to use the side link resource (for example, the PC5 interface resource) to transmit the V2X information when the preset condition is met, so that the user equipment can be switched even when the user equipment is switched. Ensure that the transmission of V2X information is not interrupted;
  • the side link resource for example, the PC5 interface resource
  • the V2X information when the V2X information is transmitted by using the edge link resource, the V2X information is transmitted to use the air interface resource when the preset condition is met, so that the V2X information transmission can be ensured even when the utilization of the edge link resource is high. quality.
  • FIG. 6 is another schematic diagram of an interface resource selection method according to an embodiment of the present invention, which is described from a base station side and a user equipment side. As shown in FIG. 6, the interface resource selection method includes:
  • Step 601 The base station sends the indication information to the user equipment, where the indication information is used to indicate that the user equipment can use the air interface resource and/or the edge link resource to perform V2X information transmission.
  • the base station may indicate, by using the broadcast information, that the user equipment can perform V2X information transmission using one of the PC5 interface resource and the air interface resource, or can use the two interface resources to perform V2X information transmission.
  • the base station does not send the indication information to the user equipment (for example, there is no resource information indicating that the user equipment can be used), meaning that the base station does not support transmission of V2X information (for example, V2V information), the user equipment will not be able to transmit.
  • Request information for a resource requesting transmission of V2X information eg, V2V information.
  • Step 602 The user equipment sends resource request information to the base station when the V2X information needs to be transmitted.
  • the user equipment when receiving the indication information, may send resource request information to the base station when the V2X information needs to be transmitted.
  • the user equipment sends the resource request information to the base station.
  • the utilization of the edge link resource for example, the PC5 interface resource
  • the user equipment may include the utilization in the resource request information, and the base station refers to the resource when the resource is allocated.
  • the user equipment includes the utilization in the resource request information; if the utilization of the edge link resource does not exceed In the case of a preset threshold, the user equipment may not include the utilization in the resource request information.
  • Step 603 The base station, when receiving the resource request information, configure, for the user equipment, a resource for transmitting the V2X information.
  • the base station allocates a side link resource (for example, a PC5 interface resource) or an air interface resource to the user equipment according to the resource request information from the user equipment, and uses the load to allocate V2X information to the user equipment.
  • a side link resource for example, a PC5 interface resource
  • an air interface resource for example, a PC5 interface resource
  • the base station allocates the air interface resource for the user equipment; or if the load corresponding to the air interface resource is large, the base station allocates the edge link for the user equipment. Resources.
  • Step 604 The user equipment transmits the V2X information by using an interface resource allocated by the base station.
  • Step 605 The user equipment determines that the preset condition is met
  • the user equipment may determine whether the preset condition is met.
  • the base station may pre-configure or re-configure the interface resource for transmitting the V2X information; for example, it may be pre-configured through broadcast signaling or dedicated signaling, or may be re-configured after receiving the request information of the user equipment. For simplicity, this pre-configured or reconfigured step is not shown in Figure 6.
  • Step 606 The user equipment changes an interface resource that transmits the V2X information.
  • the base station may pre-configure the edge link resource for transmitting the V2X information; if the preset condition is met, the user equipment may change to the use side.
  • the link resource transmits V2X information.
  • the user equipment may request the base station to reconfigure the air interface resource for transmitting the V2X information.
  • the user equipment may be triggered to use the reported edge resource resource, and after the base station reconfigures the air interface resource for transmitting the V2X information, the user equipment is changed to use the air interface resource to transmit the V2X information.
  • the preset condition may be: the channel condition corresponding to the air interface resource that is transmitting the V2X information is abnormal, and the user equipment is pre-configured by the base station with the edge link resource for transmitting the V2X information; or, the pre- The condition may be that the utilization of the edge link resource that is transmitting the V2X information exceeds a preset threshold, and the user equipment is triggered to report the utilization of the link resource of the edge, and the base station is configured according to the edge link resource reported by the user equipment.
  • the utilization reconfigures the air interface resources used to transmit V2X information.
  • the present invention is not limited thereto, and may be other preset conditions; the following only describes the above preset conditions as an example.
  • FIG. 7 is another schematic diagram of an interface resource selection method according to an embodiment of the present invention, showing how to change interface resources from a user equipment side. As shown in FIG. 7, the interface resource selection method includes:
  • Step 701 The user equipment uses the air interface resource to transmit V2X information.
  • step 701 For the content before step 701, reference may be made to steps 601 to 603 above.
  • Step 702 The user equipment determines whether the channel condition corresponding to the air interface resource is abnormal. If yes, step 703 may be performed. Otherwise, step 701 may be performed to continue to use the air interface resource to perform V2X information transmission.
  • whether the channel condition is abnormal or not includes: any one of the following timers is running, T301, T310, T311, and T304.
  • timers T301, T310, T311, and T304 For details of the timers T301, T310, T311, and T304, reference may be made to the existing TS36.331 section 7.3, and the related content is shown in Table 1 below.
  • the above is only an example of whether the timer is running, and the abnormality of the channel condition is schematically illustrated.
  • the present invention is not limited to this, and the channel condition corresponding to the air interface resource may be determined by other methods. .
  • Step 703 The user equipment determines whether the edge link resource is configured by the base station to be used for transmitting V2X information. If yes, step 704 may be performed. Otherwise, step 701 may be performed to continue to use the air interface resource for V2X information transmission.
  • the base station may allocate the edge link resource (for example, the PC5 interface resource) to the user equipment in advance by using the broadcast signaling or the dedicated signaling; that is, when the base station has configured the air interface resource for the V2X information, It is also possible to configure side link resources for the V2X information in advance.
  • the edge link resource for example, the PC5 interface resource
  • Step 704 The user equipment transmits V2X information by using an edge link resource pre-configured by the base station.
  • the user equipment may change to use the side link resource (for example, the PC5 interface resource) to transmit the V2X information, so that the channel condition corresponding to the air interface resource is transmitted, if the preset condition is met.
  • the side link resource for example, the PC5 interface resource
  • the transmission of the V2X information can be ensured not to be interrupted.
  • FIG. 8 is another schematic diagram of an interface resource selection method according to an embodiment of the present invention, which is shown from the user equipment side. How to change interface resources. As shown in FIG. 8, the interface resource selection method includes:
  • Step 801 The user equipment uses the side link resource to transmit V2X information.
  • step 801 For the content before step 801, reference may be made to steps 601 to 603 above.
  • Step 802 The user equipment determines whether the utilization of the edge link resource exceeds a preset threshold. If yes, step 803 may be performed. Otherwise, step 801 may be performed to continue to use the edge link resource to perform V2X information transmission.
  • the preset threshold may be predetermined. For example, it may be pre-configured by the base station by using Radio Resource Control (RRC) signaling.
  • RRC Radio Resource Control
  • Step 803 The user equipment reports the utilization rate of the edge link resource to the base station.
  • the user equipment may be triggered to report the auxiliary information including the utilization of the edge link resource.
  • the base station may determine whether to reconfigure the air interface resource for transmitting the V2X information for the user equipment, based on the utilization of the edge link resource. For example, if the utilization of the link resource is high, and the load corresponding to the interface resource is small, the base station can reconfigure the air interface resource for the user equipment.
  • Step 804 The user equipment determines whether the air interface resource is reconfigured by the base station to transmit the V2X information. In the case of the case, step 805 may be performed. Otherwise, step 801 may be performed to continue to use the edge link resource to perform V2X information transmission.
  • Step 805 The user equipment uses the air interface resource reconfigured by the base station to transmit the V2X information.
  • the V2X information is transmitted by using the edge link resource, the V2X information is transmitted to use the air interface resource when the preset condition is met, so that the V2X information can be guaranteed even when the utilization of the edge link resource is high. Transmission quality.
  • FIGS. 6 to 8 only schematically illustrate the embodiments of the present invention, but the present invention is not limited thereto.
  • the order of execution between the various steps can be appropriately adjusted, and other steps can be added or some of the steps can be reduced.
  • Those skilled in the art can appropriately modify the above based on the above contents, and are not limited to the description of the above drawings.
  • the user equipment changes the interface resource for transmitting the V2X information when the preset condition is met, thereby ensuring the transmission quality of the V2X information or ensuring that the transmission of the V2X information is not interrupted.
  • the embodiment of the present invention provides a method for selecting an interface resource, which is applied to a base station; the same content of the embodiment of the present invention is not described herein.
  • FIG. 9 is a schematic diagram of a method for selecting an interface resource according to an embodiment of the present invention. As shown in FIG. 9, the method for selecting an interface resource includes:
  • Step 901 The base station configures, for the user equipment, an air interface resource or an edge link resource for transmitting V2X information;
  • Step 902 The base station pre-configures or reconfigures the interface resource for the user equipment, so that the user equipment changes the V2X information from using the air interface resource to use the edge link resource to transmit the V2X information, or Transmitting the V2X information from using the edge link resource changes to transmitting the V2X information using the air interface resource.
  • the preset condition may be: the channel condition corresponding to the air interface resource that is transmitting the V2X information is abnormal, and the user equipment is pre-configured by the base station with the edge link resource for transmitting the V2X information; or
  • the preset condition may be: the utilization of the edge link resource that is transmitting the V2X information exceeds a preset threshold, and the user equipment is triggered to report the utilization of the link resource of the edge, and the base station according to the edge reported by the user equipment
  • the utilization of link resources reconfigures the air interface resources used to transmit V2X information.
  • the present invention is not limited thereto, and may be other preset conditions, for example.
  • FIG. 10 is another schematic diagram of an interface resource selection method according to an embodiment of the present invention. As shown in FIG. 10, the interface resource selection method includes:
  • Step 1001 The base station sends, to the user equipment, indication information indicating that the user equipment can use the air interface resource and/or the edge link resource to perform V2X information transmission.
  • Step 1002 The base station receives resource request information sent by the user equipment.
  • Step 1003 The base station configures, for the user equipment, an air interface resource for transmitting V2X information.
  • the base station may configure an air interface resource for the user equipment according to the load request information, and the user equipment may first use the air interface resource to perform the V2X information transmission.
  • Step 1004 The base station pre-configures, for the user equipment, edge link resources for transmitting V2X information.
  • the base station may allocate the edge link resource (for example, the PC5 interface resource) to the user equipment in advance through the broadcast signaling or the dedicated signaling; that is, in the case that the base station has configured the air interface resource for the V2X information,
  • the V2X information configures edge link resources.
  • the user equipment can change the interface resource for transmitting the V2X information by itself, for example, using the side link resources pre-configured by the base station to transmit the V2X information.
  • FIG. 11 is another schematic diagram of an interface resource selection method according to an embodiment of the present invention. As shown in FIG. 11, the interface resource selection method includes:
  • Step 1101 The base station sends, to the user equipment, indication information indicating that the user equipment can use the air interface resource and/or the edge link resource to perform V2X information transmission.
  • Step 1102 The base station receives resource request information sent by the user equipment.
  • Step 1103 The base station configures, for the user equipment, edge link resources for transmitting V2X information.
  • the base station may configure an edge link resource (for example, a PC5 interface resource) for the user equipment according to the resource request information, and the user equipment may first use the edge link resource to perform the V2X information transmission.
  • an edge link resource for example, a PC5 interface resource
  • Step 1104 The base station receives the utilization rate of the edge link resource reported by the user equipment.
  • the user equipment may be triggered to send the utilization rate of the edge link resource to the base station if the utilization of the link resource exceeds a preset threshold.
  • Step 1105 The base station determines whether to reconfigure the air interface resource for transmitting the V2X information for the user equipment; if yes, step 1106 is performed, and if no, the process ends.
  • Step 1106 The base station reconfigures the air interface resource for transmitting the V2X information for the user equipment.
  • the user equipment can use the reconfigured air interface resource to transmit the V2X information.
  • the user equipment changes the interface resource for transmitting the V2X information when the preset condition is met, thereby ensuring the transmission quality of the V2X information or ensuring that the transmission of the V2X information is not interrupted.
  • the embodiment of the invention provides an interface resource selection device, which is configured in a user equipment.
  • the embodiment of the present invention corresponds to the interface resource selection method in Embodiment 1, and the same content as Embodiment 1 is not described herein.
  • FIG. 12 is a schematic diagram of an interface resource selection apparatus according to an embodiment of the present invention. As shown in FIG. 12, the interface resource selection apparatus 1200 includes:
  • the condition determining unit 1201 determines whether the preset condition is met when the user equipment uses the air interface resource or the edge link resource to transmit the V2X information.
  • the resource changing unit 1202 when the V2X information is transmitted by using the air interface resource, is changed to use the side link resource to transmit the V2X information, or the V2X information is changed from using the side link resource to use The air interface resource transmits the V2X information.
  • the preset condition may be: the channel condition corresponding to the air interface resource that is transmitting the V2X information is abnormal, and the user equipment is configured by the base station with the edge link resource for transmitting the V2X information; or
  • the preset condition may be that the utilization of the edge link resource that is transmitting the V2X information exceeds a preset threshold, and the user equipment is triggered to report the utilization of the link resource of the edge, and the base station is configured according to the edge link resource reported by the user equipment.
  • the utilization reconfigures the air interface resources used to transmit V2X information.
  • FIG. 13 is another schematic diagram of an interface resource selection apparatus according to an embodiment of the present invention.
  • the interface resource selection apparatus 1300 includes a condition determination unit 1201 and a resource change unit 1202, as described above.
  • the interface resource selection apparatus 1300 may further include:
  • the indication receiving unit 1301 receives the indication information sent by the base station to indicate that the user equipment can use the air interface resource and/or the edge link resource to perform V2X information transmission.
  • the interface resource selection apparatus 1300 may further include:
  • a request sending unit 1302 where the indication receiving unit 1301 receives the indication information, transmitting resource request information to the base station when the transmission of the V2X information needs to be performed;
  • the information transmission unit 1303 transmits V2X information using air interface resources allocated by the base station or side link resources.
  • the resource request information may include the utilization rate of the edge link resources.
  • the interface resource selection apparatus 1300 may further include:
  • a timer determining unit 1304 when the user equipment uses the air interface resource to transmit the V2X information, determining whether any one of the following timers is running: T301, T310, T311, and T304;
  • the condition determining unit 1201 is specifically configured to: when any one of the timers is running and the user equipment has the side link resources pre-configured by the base station to transmit the V2X information, determine that the preset condition is met.
  • the resource change unit 1202 is specifically configured to: when the preset condition is met when the user equipment uses the air interface resource to transmit the V2X information, use the side link resource pre-configured by the base station to transmit the V2X information.
  • FIG. 14 is another schematic diagram of an interface resource selection apparatus according to an embodiment of the present invention.
  • the interface resource selection apparatus 1400 includes: a condition determination unit 1201 and a resource change unit 1202, and an indication receipt form.
  • the interface resource selection apparatus 1400 may further include:
  • a utilization determining unit 1401 when the user equipment uses the side link resource to transmit the V2X information, determining whether the utilization of the edge link resource exceeds a preset threshold;
  • the utilization reporting unit 1402 reports the utilization rate of the edge link resource to the base station if the utilization of the link resource exceeds the preset threshold.
  • the interface resource selection apparatus 1400 may further include:
  • the condition determining unit 1201 is specifically configured to: when the utilization of the link resource of the edge exceeds a preset threshold, the user equipment is triggered to report the utilization of the edge link resource, and the base station re-based the utilization of the edge link resource. In the case of configuring an air interface resource for transmitting the V2X information, it is determined that the preset condition is satisfied.
  • the resource changing unit 1202 is specifically configured to: when the preset condition is met when the user equipment uses the side link resource to transmit the V2X information, use the air interface resource reconfigured by the base station to transmit the V2X information.
  • the embodiment of the invention further provides a user equipment, which is configured with the interface resource selection device 1200, 1300 or 1400 described above.
  • FIG. 15 is a schematic diagram of a user equipment according to an embodiment of the present invention.
  • the user device 1500 can include a central processing unit 100 and a memory 140; the memory 140 is coupled to the central processing unit 100.
  • the figure is exemplary; other types of structures may be used in addition to or in place of the structure to implement telecommunications functions or other functions.
  • interface resource selection device 1200, 1300 or 1400 may be integrated into central processor 100.
  • the central processing unit 100 can be configured to implement the interface resource selection method described in Embodiment 1.
  • the central processing unit 100 may be configured to perform the following control: when the user equipment uses the air interface resource or the side link resource to transmit the V2X information, determine whether the preset condition is met; if the preset condition is met, the slave device is used.
  • the air interface resource transmits the V2X information to use the side link resource to transmit the V2X information, or the use of the side link resource to transmit the V2X information to use the air interface resource to transmit the V2X information.
  • the interface resource selection device 1200, 1300 or 1400 can be configured separately from the central processing unit 100, for example, the interface resource selection device 1200, 1300 or 1400 can be configured to be centrally
  • the chip connected to the processor 100 implements the functions of the interface resource selection device 1200, 1300 or 1400 by the control of the central processing unit 100.
  • the user equipment 1500 may further include: a communication module 110, an input unit 120, a display 160, and a power source 170.
  • the functions of the above components are similar to those of the prior art, and are not described herein again. It should be noted that the user equipment 1500 does not have to include all the components shown in FIG. 15, and the above components are not required; in addition, the user equipment 1500 may further include components not shown in FIG. There are technologies.
  • the user equipment changes the interface resource for transmitting the V2X information when the preset condition is met, thereby ensuring the transmission quality of the V2X information or ensuring that the transmission of the V2X information is not interrupted.
  • the embodiment of the invention provides an interface resource selection device, which is configured in a base station.
  • the embodiment of the present invention corresponds to the interface resource selection method of Embodiment 2, and the same content as Embodiment 1 or 2 will not be described again.
  • FIG. 16 is a schematic diagram of an interface resource selection apparatus according to an embodiment of the present invention. As shown in FIG. 16, the interface resource selection apparatus 1600 includes:
  • a first configuration unit 1601 configured to configure, by the user equipment, an air interface resource or an edge link resource for transmitting V2X information
  • a second configuration unit 1602 configured to pre-configure or reconfigure the interface resource for the user equipment, so that the user equipment changes the V2X information from using the air interface resource to the V2X information using the edge link resource, or the user equipment meets the preset condition, or The V2X information is transmitted from the use of the edge link resource to the V2X information transmission using the air interface resource.
  • the preset condition may be: an abnormality occurs in a channel condition corresponding to an air interface resource that is transmitting V2X information, and the user equipment is configured by the base station to have an edge link resource for transmitting V2X information; or, the pre- The condition may be that the utilization of the edge link resource that is transmitting the V2X information exceeds a preset threshold, and the user equipment is triggered to report the utilization of the link resource of the edge, and the base station is configured according to the edge link resource reported by the user equipment.
  • the utilization reconfigures the air interface resources used to transmit V2X information.
  • the present invention is not limited thereto, and may be other preset conditions.
  • FIG. 17 is another schematic diagram of an interface resource selection apparatus according to an embodiment of the present invention.
  • the interface resource selection apparatus 1700 includes: a first configuration unit 1601 and a second configuration unit 1602; as described above.
  • the interface resource selection apparatus 1700 may further include:
  • the indication sending unit 1701 sends, to the user equipment, indication information indicating that the user equipment can perform V2X information transmission using air interface resources and/or side link resources.
  • the interface resource selection apparatus 1700 may further include:
  • a request receiving unit 1702 which receives resource request information sent by the user equipment
  • the first configuration unit 1601 is specifically configured to: when the request receiving unit 1702 receives the resource request information, configure the air interface resource or the edge link resource for transmitting the V2X information for the user equipment.
  • the second configuration unit 1602 is specifically configured to: when the user equipment uses the air interface resource to transmit the V2X information, pre-configure the user equipment for the edge link resource for transmitting the V2X information.
  • the interface resource selection device 1700 may further include:
  • the utilization receiving unit 1703 when the user equipment uses the side link resource to transmit the V2X information, receives the utilization rate of the side link resource reported by the user equipment;
  • the second configuration unit 1602 may be specifically configured to: when the utilization receiving unit 1703 receives the utilization of the edge link resource, reconfigure the air interface resource for transmitting the V2X information for the user equipment.
  • the embodiment of the invention further provides a base station, which is configured with the above interface resource selection device 1600 or 1700.
  • FIG. 18 is a schematic diagram of a structure of a base station according to an embodiment of the present invention.
  • base station 1800 can include a central processing unit (CPU) 200 and memory 210; and memory 210 is coupled to central processing unit 200.
  • the memory 210 can store various data; in addition, a program for information processing is stored, and the program is executed under the control of the central processing unit 200.
  • the central processing unit 200 can be configured to implement the interface resource selection method in Embodiment 2.
  • the central processing unit 100 may be configured to perform control of configuring an air interface resource or edge link resource for transmitting V2X information for the user equipment; and pre-configuring or reconfiguring the interface resource for the user equipment; When the preset condition is met, the V2X information is transmitted from the use of the air interface resource to the V2X information using the edge link resource, or the V2X information is transmitted from the use of the edge link resource to the V2X information using the air interface resource.
  • the base station 1800 may further include: a transceiver 220, an antenna 230, and the like; wherein the functions of the foregoing components are similar to those of the prior art, and details are not described herein again. It should be noted that the base station 1800 does not have to include all of the components shown in FIG. 18; in addition, the base station 1800 may also include components not shown in FIG. 18, and reference may be made to the prior art.
  • the user equipment changes the interface resource for transmitting the V2X information when the preset condition is met, thereby ensuring the transmission quality of the V2X information or ensuring that the transmission of the V2X information is not interrupted.
  • the embodiment of the present invention further provides a communication system, and the same contents as those of Embodiments 1 to 4 are not described herein.
  • the communication system 1900 can include a base station 1901 and a user equipment 1902.
  • the base station 1901 configures the user equipment 1902 for the air interface resource or the edge link resource for transmitting the V2X information, and pre-configures or reconfigures the interface resource for transmitting the V2X information for the user equipment 1902;
  • the V2X information When the user equipment 1902 transmits the V2X information by using the air interface resource or the edge link resource, if the preset condition is met, the V2X information is changed from using the air interface resource to the V2X information using the edge link resource, or the edge link is used. The resource transmission V2X information is changed to use the air interface resource to transmit V2X information.
  • the embodiment of the present invention further provides a computer readable program, wherein when the program is executed in a user equipment, the program causes a computer to execute the interface resource selection method described in Embodiment 1 in the user equipment.
  • An embodiment of the present invention further provides a storage medium storing a computer readable program, wherein the computer readable program causes a computer to execute the interface resource selection method described in Embodiment 1 in a user equipment.
  • the embodiment of the present invention further provides a computer readable program, wherein when the program is executed in a base station, the program causes a computer to execute the interface resource selection method described in Embodiment 2 in the base station.
  • the embodiment of the present invention further provides a storage medium storing a computer readable program, wherein the computer readable program causes a computer to execute the interface resource selection method described in Embodiment 2 in a base station.
  • the above apparatus and method of the present invention may be implemented by hardware or by hardware in combination with software.
  • the present invention relates to a computer readable program that, when executed by a logic component, enables the logic component to implement the apparatus or components described above, or to cause the logic component to implement the various methods described above Or steps.
  • the present invention also relates to a storage medium for storing the above program, such as a hard disk, a magnetic disk, an optical disk, a DVD, a flash memory, or the like.
  • the interface resource selection device and/or the interface resource selection method described in connection with the embodiments of the present invention may be directly embodied as hardware, a software module executed by a processor, or a combination of the two.
  • one or more of the functional block diagrams shown in FIG. 12 and/or one or more combinations of functional block diagrams may correspond to various software of a computer program flow.
  • Modules can also correspond to individual hardware modules. These software modules may correspond to the respective steps shown in FIG. 5, respectively.
  • These hardware modules can be used, for example, on site. Programmable Gate Arrays (FPGAs) implement these firmware blocks.
  • FPGAs Programmable Gate Arrays
  • the software module can reside in RAM memory, flash memory, ROM memory, EPROM memory, EEPROM memory, registers, hard disk, removable disk, CD-ROM, or any other form of storage medium known in the art.
  • a storage medium can be coupled to the processor to enable the processor to read information from, and write information to, the storage medium; or the storage medium can be an integral part of the processor.
  • the processor and the storage medium can be located in an ASIC.
  • the software module can be stored in the memory of the mobile terminal or in a memory card that can be inserted into the mobile terminal.
  • the software module can be stored in the MEGA-SIM card or a large-capacity flash memory device.
  • One or more of the functional blocks described in the figures and/or one or more combinations of functional blocks may be implemented as a general purpose processor, digital signal processor (DSP) for performing the functions described herein.
  • DSP digital signal processor
  • ASIC application specific integrated circuit
  • FPGA field programmable gate array
  • One or more of the functional blocks described with respect to the figures and/or one or more combinations of functional blocks may also be implemented as a combination of computing devices, eg, a combination of a DSP and a microprocessor, multiple microprocessors One or more microprocessors in conjunction with DSP communication or any other such configuration.

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Abstract

一种接口资源选择装置、方法以及通信系统。所述接口资源选择方法包括：在用户设备使用空口资源或者边链路资源传输V2X信息时，确定是否满足预设条件；在满足所述预设条件的情况下，从使用空口资源传输所述V2X信息的改变为使用边链路资源传输所述V2X信息，或者从使用边链路资源传输所述V2X信息改变为使用空口资源传输所述V2X信息。从而能够保证V2X信息的传输质量或者保证V2X信息的传输不被中断。

Description

接口资源选择装置、方法以及通信系统 技术领域
本发明涉及无线通信技术领域，特别涉及一种接口资源选择装置、方法以及通信系统。
背景技术
随着长期演进(LTE，Long Term Evolution)通信技术大范围和全球化的普及，基于该技术的应用得到越来越广泛的应用。其中，智能交通系统成为一个非常热门的应用方向。在3GPP近期的研究工作中，车联网(V2X，Vehicle-to-everything)通信作为一项重要研究被立项。
图1是车联网通信的典型应用场景的一示意图，如图1所示，车联网通信可以包括三种典型的应用场景：车车通信(V2V，Vehicle-to-Vehicle)，应用于快速移动的车辆(如图1所示的车辆1和车辆2)之间的通信；车人通信(V2P，Vehicle-to-Pedestrian)，应用于快速移动的车辆与手持用户设备的行人(如图1所示的车辆1和行人)之间的通信；以及V2I(Vehicle-to-Infrastructure)，即车辆与基础设施(如图1所示的车辆1和基站)之间的通信。
以V2V场景为例，对于两个距离比较近的用户设备(UE，User Equipment)，经过演进的通用陆地无线接入网(E-UTRAN，Evolved Universal Terrestrial Radio Access Network)授权后，可以传输V2V信息。该V2V信息可以包括位置信息、终端属性信息等；V2V信息的大小也应该是可变的。
另一方面，边链路(Sidelink)通信方式是指数据包无需通过核心网和基站，用户设备UE1和UE2之间可以直接建立通信链路而进行通信。边链路通信也可以称为设备到设备(D2D，Device to Device)通信。在进行边链路(Sidelink)通信前，一般会进行边链路发现过程。例如，UE1要通过边链路通信方式发送信息给UE2之前，先要发现UE2是否在附近。
图2是边链路通信的一示意图，示出了两个都在基站(例如eNB)覆盖下的UE(UE1和UE2)进行边链路发现或建立边链路通信的情况。图3是边链路通信的另一示意图，示出了一个UE(UE1)在基站覆盖下而另一个UE(UE2)不在基站覆盖下 时，进行边链路发现或建立边链路通信的情况。图4是边链路通信的另一示意图，示出了两个都不在基站覆盖下的UE(UE1和UE2)进行边链路发现或建立边链路通信的情况。
在用户设备进行边链路传输之前，该用户设备可以被配置有资源池。资源池中的SA(Scheduling Assignment)池可以用于传输物理边链路控制信道(PSCCH，Physical Sidelink Control Channel)。PSCCH会承载边链路控制信息(SCI，Sidelink Control Information)格式0信息。根据目前的协议，SCI格式0信息会在SA资源池中的两个不同的子帧重复发送两次。
应该注意，上面对技术背景的介绍只是为了方便对本发明的技术方案进行清楚、完整的说明，并方便本领域技术人员的理解而阐述的。不能仅仅因为这些方案在本发明的背景技术部分进行了阐述而认为上述技术方案为本领域技术人员所公知。
发明内容
发明人发现：目前可以通过UE之间直接传输的方式传输V2V信息，即不通过任何基础设施，而是通过边链路接口(或者在某些场景下也可以称为PC5接口)资源进行V2V信息的传输；或者也可以借助基础设施，通过间接传输的方式传输V2V信息，即通过空口资源进行V2V信息的传输。
但是，即使在信道条件异常或恶化(例如边链路资源的利用率过高，或者UE被切换而不能连续使用空口资源，等等)的情况下，用户设备也不能改变传输V2X信息(例如V2V信息)的接口资源，导致V2X信息的传输质量降低甚至传输被中断。
本发明实施例提供一种接口资源选择装置、方法以及通信系统。用户设备在满足预设条件的情况下改变传输V2X信息的接口资源，从而保证V2X信息的传输质量。
根据本发明实施例的第一个方面，提供一种接口资源选择方法，包括：
在用户设备使用空口资源或者边链路资源传输V2X信息时，确定是否满足预设条件；
在满足所述预设条件的情况下，从使用空口资源传输所述V2X信息改变为使用边链路资源传输所述V2X信息，或者从使用所述边链路资源传输所述V2X信息改变为使用所述空口资源传输所述V2X信息。
根据本发明实施例的第二个方面，提供一种接口资源选择装置，配置于用户设备 中，所述接口资源选择装置包括：
条件确定单元，其在所述用户设备使用空口资源或者边链路资源传输V2X信息时确定是否满足预设条件；
资源改变单元，其在满足所述预设条件的情况下，从使用所述空口资源传输所述V2X信息改变为使用所述边链路资源传输所述V2X信息，或者从使用所述边链路资源传输所述V2X信息改变为使用所述空口资源传输所述V2X信息。
根据本发明实施例的第三个方面，提供一种接口资源选择方法，包括：
基站为用户设备配置用于传输V2X信息的空口资源或者边链路资源；以及
为所述用户设备预先配置或者重新配置接口资源；使得所述用户设备在满足预设条件的情况下，从使用所述空口资源传输所述V2X信息改变为使用所述边链路资源传输所述V2X信息，或者从使用所述边链路资源传输所述V2X信息改变为使用所述空口资源传输所述V2X信息。
根据本发明实施例的第四个方面，提供一种接口资源选择装置，配置于基站中，所述接口资源选择装置包括：
第一配置单元，其为用户设备配置用于传输V2X信息的空口资源或者边链路资源；以及
第二配置单元，其为所述用户设备预先配置或者重新配置接口资源；使得所述用户设备在满足预设条件的情况下，从使用所述空口资源传输所述V2X信息改变为使用所述边链路资源传输所述V2X信息，或者从使用所述边链路资源传输所述V2X信息改变为使用所述空口资源传输所述V2X信息。
根据本发明实施例的第五个方面，提供一种通信系统，所述通信系统包括：
用户设备，配置有如上第二方面所述的接口资源选择装置；以及
基站，配置有如上第四方面所述的接口资源选择装置。
本发明实施例的有益效果在于：用户设备在满足预设条件的情况下改变传输V2X信息的接口资源，从而能够保证V2X信息的传输质量或者保证V2X信息的传输不被中断。
参照后文的说明和附图，详细公开了本发明的特定实施方式，指明了本发明的原理可以被采用的方式。应该理解，本发明的实施方式在范围上并不因而受到限制。在所附权利要求的精神和条款的范围内，本发明的实施方式包括许多改变、修改和等同。
针对一种实施方式描述和/或示出的特征可以以相同或类似的方式在一个或更多个其它实施方式中使用，与其它实施方式中的特征相组合，或替代其它实施方式中的特征。
应该强调，术语“包括/包含”在本文使用时指特征、整件、步骤或组件的存在，但并不排除一个或更多个其它特征、整件、步骤或组件的存在或附加。
附图说明
在本发明实施例的一个附图或一种实施方式中描述的元素和特征可以与一个或更多个其它附图或实施方式中示出的元素和特征相结合。此外，在附图中，类似的标号表示几个附图中对应的部件，并可用于指示多于一种实施方式中使用的对应部件。
图1是车联网通信的典型应用场景的一示意图；
图2是边链路通信的一示意图；
图3是边链路通信的另一示意图；
图4是边链路通信的另一示意图；
图5是本发明实施例1的接口资源选择方法的一示意图；
图6是本发明实施例1的接口资源选择方法的另一示意图；
图7是本发明实施例1的接口资源选择方法的另一示意图；
图8是本发明实施例1的接口资源选择方法的另一示意图；
图9是本发明实施例2的接口资源选择方法的一示意图；
图10是本发明实施例2的接口资源选择方法的另一示意图；
图11是本发明实施例2的接口资源选择方法的另一示意图；
图12是本发明实施例3的接口资源选择装置的一示意图；
图13是本发明实施例3的接口资源选择装置的另一示意图；
图14是本发明实施例3的接口资源选择装置的另一示意图；
图15是本发明实施例3的用户设备的一示意图；
图16是本发明实施例4的接口资源选择装置的一示意图；
图17是本发明实施例4的接口资源选择装置的另一示意图；
图18是本发明实施例4的基站的一示意图；
图19是本发明实施例5的通信系统的一示意图。
具体实施方式
参照附图，通过下面的说明书，本发明的前述以及其它特征将变得明显。在说明书和附图中，具体公开了本发明的特定实施方式，其表明了其中可以采用本发明的原则的部分实施方式，应了解的是，本发明不限于所描述的实施方式，相反，本发明包括落入所附权利要求的范围内的全部修改、变型以及等同物。
在本申请中，基站可以被称为接入点、广播发射机、节点B、演进节点B(eNB)等，并且可以包括它们的一些或所有功能。在文中将使用术语“基站”。每个基站对特定的地理区域提供通信覆盖。术语“小区”可以指的是基站和/或其覆盖区域，这取决于使用该术语的上下文。
在本申请中，移动站或设备可以被称为“用户设备”(UE，User Equipment)。UE可以是固定的或移动的，并且也可以称为移动台、终端、接入终端、用户单元、站等。UE可以是蜂窝电话、个人数字助理(PDA)、无线调制解调器、无线通信设备、手持设备、膝上型计算机、无绳电话等。
实施例1
本发明实施例提供一种接口资源选择方法，应用于用户设备中。图5是本发明实施例的接口资源选择方法的一示意图，如图5所示，所述接口资源选择方法包括：
步骤501，在用户设备使用空口资源或者边链路资源传输V2X信息时，该用户设备确定是否满足预设条件；
步骤502，该用户设备在满足预设条件的情况下，从使用空口资源传输V2X信息改变为使用边链路资源传输V2X信息，或者从使用边链路资源传输V2X信息改变为使用空口资源传输V2X信息。
在本实施例中，某一用户设备可以与另一设备(例如基站或者用户设备)进行V2X信息的传输。其中，该V2X信息例如是指进行车联网通信的各设备之间传输的信息，例如可以是V2V信息，也可以是V2P信息，V2I信息，V2N(Vehicle-to-Network)信息，I2V信息，P2V信息，N2V信息等；但本发明不限于此。
在本实施例中，该用户设备可以在基站的控制下改变传输V2X信息的资源。其中，该基站可以为宏基站(例如eNB)，该宏基站产生的宏小区(例如Macro cell)可 以为用户设备提供服务；或者该基站也可以为微基站，该微基站产生的微小区(例如Pico cell或small cell)可以为用户设备提供服务。
由此，用户设备可以在使用空口资源传输V2X信息时，在满足预设条件的情况下改变为使用边链路资源(例如PC5接口资源)传输V2X信息，从而即使在用户设备被切换时也能保证V2X信息的传输不被中断；
或者，在使用边链路资源传输V2X信息时，在满足预设条件的情况下改变为使用空口资源传输V2X信息，从而即使在边链路资源的利用率很高时也能保证V2X信息的传输质量。
图6是本发明实施例的接口资源选择方法的另一示意图，从基站侧和用户设备侧进行说明。如图6所示，所述接口资源选择方法包括：
步骤601，基站向用户设备发送指示信息，该指示信息用于指示该用户设备能够使用空口资源和/或边链路资源进行V2X信息传输。
例如，基站可以通过广播信息指示用户设备：能够使用PC5接口资源和空口资源中的一种进行V2X信息传输，或者能够使用这两种接口资源进行V2X信息传输。
此外，如果基站没有向该用户设备发送该指示信息(例如没有指示该用户设备可使用的资源信息)，意味着该基站不支持V2X信息(例如V2V信息)的传输，该用户设备将不能发送用于请求传输V2X信息(例如V2V信息)的资源的请求信息。
步骤602，用户设备在需要进行V2X信息的传输时，向基站发送资源请求信息；
在本实施例中，该用户设备在接收到该指示信息的情况下，在需要进行V2X信息的传输时，可以向该基站发送资源请求信息。
例如，一旦该用户设备的接入层被应用层触发，需要发送V2X信息时，用户设备将向基站发送资源请求信息。可选地，如果此时边链路资源(例如PC5接口资源)的利用率超过了预设阈值，则该用户设备可以将该利用率包含在该资源请求信息中，供基站在分配资源时参考。
在具体实施时，例如只有在边链路资源的利用率超过了预设阈值的情况下，该用户设备才将该利用率包含在该资源请求信息中；如果边链路资源的利用率没有超过预设阈值的情况下，该用户设备可以不将该利用率包含在该资源请求信息中。
步骤603，基站在接收到所述资源请求信息的情况下，为该用户设备配置用于传输该V2X信息的资源。
在本实施例中，基站根据来自该用户设备的资源请求信息，可以结合负载的情况，为该用户设备分配边链路资源(例如PC5接口资源)或者空口资源，用于该用户设备传输V2X信息。
例如，如果资源请求信息中包含的边链路资源的利用率较高，则基站为该用户设备分配空口资源；或者，如果空口资源对应的负载较大，则基站为该用户设备分配边链路资源。
步骤604，用户设备使用基站分配的接口资源传输该V2X信息。
步骤605，该用户设备确定满足预设条件；
在本实施例中，在用户设备使用空口资源或者边链路资源传输该V2X信息的期间，该用户设备可以确定是否满足预设条件。
在本实施例中，基站可以预先配置或者重新配置传输该V2X信息的接口资源；例如可以通过广播信令或专用信令预先配置，也可以在接收到用户设备的请求信息后再重新配置。为简单起见，该预先配置或者重新配置的步骤在附图6中没有示出。
步骤606，用户设备改变传输该V2X信息的接口资源。
在本实施例中，在用户设备使用空口资源传输V2X信息的情况下，基站可以预先配置用于传输V2X信息的边链路资源；在满足预设条件的情况下，用户设备可以改变为使用边链路资源传输V2X信息。
或者，在用户设备使用边链路资源传输V2X信息的情况下，用户设备可以请求基站重新配置用于传输V2X信息的空口资源。在满足预设条件的情况下，用户设备可以被触发上报边链路资源的利用率，并在基站重新配置用于传输V2X信息的空口资源后，改变为使用空口资源传输V2X信息。
在本实施例中，该预设条件可以为：正在传输V2X信息的空口资源所对应的信道条件发生异常，并且用户设备被基站预先配置有用于传输V2X信息的边链路资源；或者，该预设条件可以为：正在传输V2X信息的边链路资源的利用率超过预设阈值，由此用户设备被触发上报该边链路资源的利用率，并且基站根据用户设备上报的边链路资源的利用率重新配置用于传输V2X信息的空口资源。但本发明不限于此，还可以是其他的预设条件；以下仅以上述预设条件为例进行说明。
图7是本发明实施例的接口资源选择方法的另一示意图，从用户设备侧示出了如何改变接口资源。如图7所示，所述接口资源选择方法包括：
步骤701，用户设备使用空口资源传输V2X信息；
其中步骤701之前的内容可以参考上述步骤601至603。
步骤702，用户设备判断该空口资源所对应的信道条件是否发生异常；在是情况下可以执行步骤703，否则可以执行步骤701，继续使用空口资源进行V2X信息的传输。
例如，信道条件是否发生异常的情况包括：如下定时器中的任意一个正在运行，T301、T310、T311和T304。
关于定时器T301、T310、T311和T304的具体内容，可以参考现有的TS36.331第7.3节，下表1示出了相关的内容。
表1部分定时器的内容
Figure PCTCN2016074430-appb-000001
Figure PCTCN2016074430-appb-000002
值得注意的是，以上仅以定时器是否运行为例，示意性说明了信道条件发生异常的情况，但本发明不限于此，还可以通过其他的方式判断空口资源所对应的信道条件是否发生异常。
步骤703，用户设备判断是否已经有边链路资源被基站预先配置为用于传输V2X信息；在是情况下可以执行步骤704，否则可以执行步骤701，继续使用空口资源进行V2X信息的传输。
在本实施例中，基站可以通过广播信令或者专用信令提前将边链路资源(例如PC5接口资源)分配给该用户设备；即在基站已经为该V2X信息配置了空口资源的情况下，还可以预先为该V2X信息配置边链路资源。
步骤704，用户设备使用基站预先配置的边链路资源传输V2X信息。
由此，用户设备可以在使用空口资源传输V2X信息时，在满足预设条件的情况下改变为使用边链路资源(例如PC5接口资源)传输V2X信息，从而即使在该空口资源对应的信道条件异常时(例如用户设备被切换而需要进行RRC连接重建时)，也能保证V2X信息的传输不被中断。
图8是本发明实施例的接口资源选择方法的另一示意图，从用户设备侧示出了如 何改变接口资源。如图8所示，所述接口资源选择方法包括：
步骤801，用户设备使用边链路资源传输V2X信息；
其中步骤801之前的内容可以参考上述步骤601至603。
步骤802，用户设备判断该边链路资源的利用率是否超过预设阈值；在是的情况下可以执行步骤803，否则可以执行步骤801，继续使用边链路资源进行V2X信息的传输。
在本实施例中，该预设阈值可以是预先确定的。例如可以是由该基站通过无线资源控制(RRC，Radio Resource Control)信令预先配置的。
步骤803，用户设备向基站上报该边链路资源的利用率。
在本实施例中，在边链路资源的利用率超过预设阈值的情况下，用户设备可以被触发上报包括该边链路资源的利用率的辅助信息。
在本实施例中，基站基于该边链路资源的利用率，可以决定是否为该用户设备重新配置用于传输该V2X信息的空口资源。例如，如果该边链路资源的利用率较高，而此时接口资源所对应的负载较小，则基站可以为该用户设备重新配置空口资源。
步骤804，用户设备确定是否有空口资源被基站重新配置为用于传输该V2X信息；在是情况下可以执行步骤805，否则可以执行步骤801，继续使用边链路资源进行V2X信息的传输。
步骤805，用户设备使用基站重新配置的空口资源传输该V2X信息。
由此，在使用边链路资源传输V2X信息时，在满足预设条件的情况下改变为使用空口资源传输V2X信息，从而即使在边链路资源的利用率很高时也能保证V2X信息的传输质量。
值得注意的是，图6至8仅示意性地对本发明实施例进行了说明，但本发明不限于此。可以适当地调整各个步骤之间的执行顺序，此外还可以增加其他的一些步骤或者减少其中的某些步骤。本领域的技术人员可以根据上述内容进行适当地变型，而不仅限于上述附图的记载。
由上述实施例可知，用户设备在满足预设条件的情况下改变传输V2X信息的接口资源，从而能够保证V2X信息的传输质量或者保证V2X信息的传输不被中断。
实施例2
本发明实施例提供一种接口资源选择方法，应用于基站中；本发明实施例与实施例1相同的内容不再赘述。
图9是本发明实施例的接口资源选择方法的一示意图，如图9所示，所述接口资源选择方法包括：
步骤901，基站为用户设备配置用于传输V2X信息的空口资源或者边链路资源；以及
步骤902，基站为该用户设备预先配置或者重新配置接口资源；使得该用户设备在满足预设条件的情况下，从使用空口资源传输该V2X信息改变为使用边链路资源传输该V2X信息，或者从使用边链路资源传输该V2X信息改变为使用空口资源传输该V2X信息。
在本实施例中，所述预设条件可以为：正在传输V2X信息的空口资源所对应的信道条件发生异常，并且该用户设备被基站预先配置有用于传输该V2X信息的边链路资源；或者，该预设条件可以为：正在传输该V2X信息的边链路资源的利用率超过预设阈值，由此用户设备被触发上报该边链路资源的利用率，并且基站根据用户设备上报的边链路资源的利用率重新配置用于传输V2X信息的空口资源。但本发明不限于此，例如还可以是其他的预设条件。
图10是本发明实施例的接口资源选择方法的另一示意图，如图10所示，所述接口资源选择方法包括：
步骤1001，基站向用户设备发送用于指示该用户设备能够使用空口资源和/或边链路资源进行V2X信息传输的指示信息。
步骤1002，基站接收该用户设备发送的资源请求信息；
步骤1003，基站为该用户设备配置用于传输V2X信息的空口资源。
其中，基站可以基于所述资源请求信息，根据负载的情况为该用户设备配置空口资源，由此用户设备可以首先使用该空口资源进行该V2X信息的传输。
步骤1004，基站为该用户设备预先配置用于传输V2X信息的边链路资源。
其中，基站可以通过广播信令或者专用信令提前将边链路资源(例如PC5接口资源)分配给该用户设备；即在基站已经为该V2X信息配置了空口资源的情况下，还可以预先为该V2X信息配置边链路资源。
当用户设备传输该V2X信息的空口资源所对应的信道条件发生异常时，例如如 下定时器中的任意一个正在运行：T301、T310、T311和T304；用户设备可以自行改变传输该V2X信息的接口资源，例如使用基站预先配置的边链路资源来传输该V2X信息。
图11是本发明实施例的接口资源选择方法的另一示意图，如图11所示，所述接口资源选择方法包括：
步骤1101，基站向用户设备发送用于指示该用户设备能够使用空口资源和/或边链路资源进行V2X信息传输的指示信息。
步骤1102，基站接收该用户设备发送的资源请求信息；
步骤1103，基站为该用户设备配置用于传输V2X信息的边链路资源。
其中，基站可以基于所述资源请求信息，根据负载的情况为该用户设备配置边链路资源(例如PC5接口资源)，由此用户设备可以首先使用该边链路资源进行该V2X信息的传输。
步骤1104，基站接收该用户设备上报的该边链路资源的利用率；
其中，用户设备在该边链路资源的利用率超过预设阈值的情况下，可以被触发向该基站发送该边链路资源的利用率。
步骤1105，基站确定是否为该用户设备重新配置用于传输该V2X信息的空口资源；在是的情况下执行步骤1106，在否的情况下结束本过程。
步骤1106，基站为该用户设备重新配置用于传输该V2X信息的空口资源。
由此，用户设备可以使用该重新配置的空口资源传输该V2X信息。
由上述实施例可知，用户设备在满足预设条件的情况下改变传输V2X信息的接口资源，从而能够保证V2X信息的传输质量或者保证V2X信息的传输不被中断。
实施例3
本发明实施例提供一种接口资源选择装置，配置于用户设备中。本发明实施例对应于实施例1的接口资源选择方法，与实施例1相同的内容不再赘述。
图12是本发明实施例的接口资源选择装置的一示意图，如图12所示，接口资源选择装置1200包括：
条件确定单元1201，其在用户设备使用空口资源或者边链路资源传输V2X信息时，确定是否满足预设条件；
资源改变单元1202，其在满足该预设条件的情况下，从使用空口资源传输该V2X信息改变为使用边链路资源传输该V2X信息，或者从使用边链路资源传输该V2X信息改变为使用空口资源传输该V2X信息。
在本实施例中，所述预设条件可以为：正在传输V2X信息的空口资源所对应的信道条件发生异常，并且用户设备被基站配置有用于传输V2X信息的边链路资源；或者，所述预设条件可以为：正在传输V2X信息的边链路资源的利用率超过预设阈值，由此用户设备被触发上报该边链路资源的利用率，并且基站根据用户设备上报的边链路资源的利用率重新配置用于传输V2X信息的空口资源。
图13是本发明实施例的接口资源选择装置的另一示意图，如图13所示，接口资源选择装置1300包括：条件确定单元1201和资源改变单元1202，如上所述。
如图13所示，接口资源选择装置1300还可以包括：
指示接收单元1301，其接收基站发送的用于指示该用户设备能够使用空口资源和/或边链路资源进行V2X信息传输的指示信息。
如图13所示，接口资源选择装置1300还可以包括：
请求发送单元1302，其在指示接收单元1301接收到该指示信息的情况下，在需要进行V2X信息的传输时向基站发送资源请求信息；以及
信息传输单元1303，其使用基站分配的空口资源或者边链路资源传输V2X信息。
其中，该资源请求信息中可以包括边链路资源的利用率。
如图13所示，接口资源选择装置1300还可以包括：
定时器确定单元1304，其在该用户设备使用空口资源传输该V2X信息时，确定如下定时器中的任意一个是否正在运行：T301、T310、T311和T304；
资源确定单元1305，其确定该用户设备是否有边链路资源已经被基站预先配置为用于传输该V2X信息；以及
条件确定单元1201具体用于：在任意一个定时器正在运行且该用户设备已经有边链路资源被基站预先配置为用于传输V2X信息的情况下，确定预设条件被满足。资源改变单元1202具体用于：在该用户设备使用空口资源传输该V2X信息时预设条件被满足的情况下，使用基站预先配置的边链路资源来传输该V2X信息。
图14是本发明实施例的接口资源选择装置的另一示意图，如图14所示，接口资源选择装置1400包括：条件确定单元1201和资源改变单元1202，以及指示接收单 元1301、请求发送单元1302和信息传输单元1303；如上所述。
如图14所示，接口资源选择装置1400还可以包括：
利用率确定单元1401，其在用户设备使用边链路资源传输V2X信息时，确定该边链路资源的利用率是否超过预设阈值；以及
利用率上报单元1402，其在该边链路资源的利用率超过预设阈值的情况下，向基站上报该边链路资源的利用率。
如图14所示，接口资源选择装置1400还可以包括：
资源确定单元1403，其确定该用户设备是否有空口资源被基站重新配置为用于传输该V2X信息；以及
条件确定单元1201具体用于：在该边链路资源的利用率超过预设阈值，由此用户设备被触发上报该边链路资源的利用率，并且基站根据该边链路资源的利用率重新配置用于传输该V2X信息的空口资源的情况下，确定预设条件被满足。资源改变单元1202具体用于：在该用户设备使用边链路资源传输该V2X信息时预设条件被满足的情况下，使用基站重新配置的空口资源来传输该V2X信息。
本发明实施例还提供一种用户设备，配置有上述的接口资源选择装置1200、1300或者1400。
图15是本发明实施例的用户设备的一示意图。如图15所示，该用户设备1500可以包括中央处理器100和存储器140；存储器140耦合到中央处理器100。值得注意的是，该图是示例性的；还可以使用其他类型的结构，来补充或代替该结构，以实现电信功能或其他功能。
在一个实施方式中，接口资源选择装置1200、1300或者1400的功能可以被集成到中央处理器100中。其中，中央处理器100可以被配置为实现实施例1中所述的接口资源选择方法。
例如，中央处理器100可以被配置为进行如下的控制：在用户设备使用空口资源或者边链路资源传输V2X信息时，确定是否满足预设条件；在满足该预设条件的情况下，从使用空口资源传输该V2X信息改变为使用边链路资源传输该V2X信息，或者从使用边链路资源传输该V2X信息改变为使用空口资源传输该V2X信息。
在另一个实施方式中，接口资源选择装置1200、1300或者1400可以与中央处理器100分开配置，例如可以将接口资源选择装置1200、1300或者1400配置为与中央 处理器100连接的芯片，通过中央处理器100的控制来实现接口资源选择装置1200、1300或者1400的功能。
如图15所示，该用户设备1500还可以包括：通信模块110、输入单元120、显示器160、电源170。其中，上述部件的功能与现有技术类似，此处不再赘述。值得注意的是，用户设备1500也并不是必须要包括图15中所示的所有部件，上述部件并不是必需的；此外，用户设备1500还可以包括图15中没有示出的部件，可以参考现有技术。
由上述实施例可知，用户设备在满足预设条件的情况下改变传输V2X信息的接口资源，从而能够保证V2X信息的传输质量或者保证V2X信息的传输不被中断。
实施例4
本发明实施例提供一种接口资源选择装置，配置于基站中。本发明实施例对应于实施例2的接口资源选择方法，与实施例1或2相同的内容不再赘述。
图16是本发明实施例的接口资源选择装置的一示意图，如图16所示，接口资源选择装置1600包括：
第一配置单元1601，其为用户设备配置用于传输V2X信息的空口资源或者边链路资源；以及
第二配置单元1602，其为该用户设备预先配置或者重新配置接口资源；使得用户设备在满足预设条件的情况下，从使用空口资源传输V2X信息改变为使用边链路资源传输V2X信息，或者从使用边链路资源传输V2X信息改变为使用空口资源传输V2X信息。
在本实施例中，所述预设条件可以为：正在传输V2X信息的空口资源所对应的信道条件发生异常，并且用户设备被基站配置有用于传输V2X信息的边链路资源；或者，该预设条件可以为：正在传输V2X信息的边链路资源的利用率超过预设阈值，由此用户设备被触发上报该边链路资源的利用率，并且基站根据用户设备上报的边链路资源的利用率重新配置用于传输V2X信息的空口资源。但本发明不限于此，还可以是其他的预设条件。
图17是本发明实施例的接口资源选择装置的另一示意图，如图17所示，接口资源选择装置1700包括：第一配置单元1601和第二配置单元1602；如上所述。
如图17所示，接口资源选择装置1700还可以包括：
指示发送单元1701，其向用户设备发送用于指示该用户设备能够使用空口资源和/或边链路资源进行V2X信息传输的指示信息。
如图17所示，接口资源选择装置1700还可以包括：
请求接收单元1702，其接收该用户设备发送的资源请求信息；以及
第一配置单元1601具体用于：在请求接收单元1702接收到该资源请求信息的情况下，为该用户设备配置用于传输V2X信息的空口资源或者边链路资源。
在一个实施方式中，第二配置单元1602具体可以用于：在用户设备使用空口资源传输V2X信息时，为该用户设备预先配置用于传输该V2X信息的边链路资源。
在另一个实施方式中，如图17所示，接口资源选择装置1700还可以包括：
利用率接收单元1703，其在用户设备使用边链路资源传输V2X信息时，接收用户设备上报的该边链路资源的利用率；以及
第二配置单元1602具体可以用于：在利用率接收单元1703接收到该边链路资源的利用率的情况下，为用户设备重新配置用于传输V2X信息的空口资源。
本发明实施例还提供一种基站，配置有上述的接口资源选择装置1600或1700。
图18是本发明实施例的基站的一构成示意图。如图18所示，基站1800可以包括：中央处理器(CPU)200和存储器210；存储器210耦合到中央处理器200。其中该存储器210可存储各种数据；此外还存储信息处理的程序，并且在中央处理器200的控制下执行该程序。
其中，中央处理器200可以被配置为实现实施例2中的接口资源选择方法。例如，中央处理器100可以被配置为进行如下的控制：为用户设备配置用于传输V2X信息的空口资源或者边链路资源；以及为该用户设备预先配置或者重新配置接口资源；使得用户设备在满足预设条件的情况下，从使用空口资源传输V2X信息改变为使用边链路资源传输V2X信息，或者从使用边链路资源传输V2X信息改变为使用空口资源传输V2X信息。
此外，如图18所示，基站1800还可以包括：收发机220和天线230等；其中，上述部件的功能与现有技术类似，此处不再赘述。值得注意的是，基站1800也并不是必须要包括图18中所示的所有部件；此外，基站1800还可以包括图18中没有示出的部件，可以参考现有技术。
由上述实施例可知，用户设备在满足预设条件的情况下改变传输V2X信息的接口资源，从而能够保证V2X信息的传输质量或者保证V2X信息的传输不被中断。
实施例5
本发明实施例还提供一种通信系统，与实施例1至4相同的内容不再赘述。
图19是本发明实施例的通信系统的一示意图，如图19所示，通信系统1900可以包括基站1901和用户设备1902。
基站1901为用户设备1902配置用于传输V2X信息的空口资源或者边链路资源，以及为用户设备1902预先配置或者重新配置用于传输该V2X信息的接口资源；
用户设备1902在使用空口资源或者边链路资源传输V2X信息时，在满足预设条件的情况下，从使用空口资源传输V2X信息改变为使用边链路资源传输V2X信息，或者从使用边链路资源传输V2X信息改变为使用空口资源传输V2X信息。
本发明实施例还提供一种计算机可读程序，其中当在用户设备中执行所述程序时，所述程序使得计算机在所述用户设备中执行实施例1所述的接口资源选择方法。
本发明实施例还提供一种存储有计算机可读程序的存储介质，其中所述计算机可读程序使得计算机在用户设备中执行实施例1所述的接口资源选择方法。
本发明实施例还提供一种计算机可读程序，其中当在基站中执行所述程序时，所述程序使得计算机在所述基站中执行实施例2所述的接口资源选择方法。
本发明实施例还提供一种存储有计算机可读程序的存储介质，其中所述计算机可读程序使得计算机在基站中执行实施例2所述的接口资源选择方法。
本发明以上的装置和方法可以由硬件实现，也可以由硬件结合软件实现。本发明涉及这样的计算机可读程序，当该程序被逻辑部件所执行时，能够使该逻辑部件实现上文所述的装置或构成部件，或使该逻辑部件实现上文所述的各种方法或步骤。本发明还涉及用于存储以上程序的存储介质，如硬盘、磁盘、光盘、DVD、flash存储器等。
结合本发明实施例描述的接口资源选择装置和/或接口资源选择方法，可直接体现为硬件、由处理器执行的软件模块或二者组合。例如，图12中所示的功能框图中的一个或多个和/或功能框图的一个或多个组合(例如，条件确定单元、资源改变单元等)，既可以对应于计算机程序流程的各个软件模块，亦可以对应于各个硬件模块。这些软件模块，可以分别对应于图5所示的各个步骤。这些硬件模块例如可利用现场 可编程门阵列(FPGA)将这些软件模块固化而实现。
软件模块可以位于RAM存储器、闪存、ROM存储器、EPROM存储器、EEPROM存储器、寄存器、硬盘、移动磁盘、CD-ROM或者本领域已知的任何其它形式的存储介质。可以将一种存储介质耦接至处理器，从而使处理器能够从该存储介质读取信息，且可向该存储介质写入信息；或者该存储介质可以是处理器的组成部分。处理器和存储介质可以位于ASIC中。该软件模块可以存储在移动终端的存储器中，也可以存储在可插入移动终端的存储卡中。例如，若设备(如移动终端)采用的是较大容量的MEGA-SIM卡或者大容量的闪存装置，则该软件模块可存储在该MEGA-SIM卡或者大容量的闪存装置中。
针对附图中描述的功能方框中的一个或多个和/或功能方框的一个或多个组合，可以实现为用于执行本申请所描述功能的通用处理器、数字信号处理器(DSP)、专用集成电路(ASIC)、现场可编程门阵列(FPGA)或者其它可编程逻辑器件、分立门或者晶体管逻辑器件、分立硬件组件或者其任意适当组合。针对附图描述的功能方框中的一个或多个和/或功能方框的一个或多个组合，还可以实现为计算设备的组合，例如，DSP和微处理器的组合、多个微处理器、与DSP通信结合的一个或多个微处理器或者任何其它这种配置。
以上结合具体的实施方式对本发明进行了描述，但本领域技术人员应该清楚，这些描述都是示例性的，并不是对本发明保护范围的限制。本领域技术人员可以根据本发明的精神和原理对本发明做出各种变型和修改，这些变型和修改也在本发明的范围内。

Claims (18)

  1. 一种接口资源选择装置，配置于用户设备中，所述接口资源选择装置包括：
    条件确定单元，其在所述用户设备使用空口资源或者边链路资源传输V2X信息时确定是否满足预设条件；
    资源改变单元，其在满足所述预设条件的情况下，从使用所述空口资源传输所述V2X信息改变为使用所述边链路资源传输所述V2X信息，或者从使用所述边链路资源传输所述V2X信息改变为使用所述空口资源传输所述V2X信息。
  2. 根据权利要求1所述的接口资源选择装置，其中，所述预设条件为：正在传输所述V2X信息的所述空口资源所对应的信道条件发生异常，并且所述用户设备已经被基站预先配置有用于传输所述V2X信息的所述边链路资源；
    或者，所述预设条件为：正在传输所述V2X信息的所述边链路资源的利用率超过预设阈值，由此所述用户设备被触发上报所述边链路资源的利用率，并且所述基站根据所述用户设备上报的所述边链路资源的利用率重新配置用于传输所述V2X信息的所述空口资源。
  3. 根据权利要求1所述的接口资源选择装置，其中，所述接口资源选择装置还包括：
    指示接收单元，其接收基站发送的用于指示所述用户设备能够使用所述空口资源和/或所述边链路资源进行所述V2X信息传输的指示信息。
  4. 根据权利要求3所述的接口资源选择装置，其中，所述接口资源选择装置还包括：
    请求发送单元，其在所述指示接收单元接收到所述指示信息的情况下，在需要进行所述V2X信息的传输时向所述基站发送资源请求信息；以及
    信息传输单元，其使用所述基站分配的所述空口资源或者所述边链路资源传输所述V2X信息。
  5. 根据权利要求4所述的接口资源选择装置，其中，在所述边链路资源的利用率超过预设阈值的情况下，所述资源请求信息中包括所述边链路资源的利用率。
  6. 根据权利要求1所述的接口资源选择装置，其中，所述接口资源选择装置还包括：
    定时器确定单元，其在所述用户设备使用所述空口资源传输所述V2X信息时，确定如下定时器中的任意一个是否正在运行：T301、T310、T311和T304；
    资源确定单元，其确定所述用户设备是否已经有边链路资源被基站预先配置为用于传输所述V2X信息；以及
    所述条件确定单元具体用于：在任意一个所述定时器正在运行且所述用户设备已经有边链路资源被所述基站预先配置为用于传输所述V2X信息的情况下，确定所述预设条件被满足。
  7. 根据权利要求6所述的接口资源选择装置，其中，所述资源改变单元具体用于：在所述用户设备使用所述空口资源传输所述V2X信息时，在所述预设条件被满足的情况下，使用所述基站预先配置的所述边链路资源来传输所述V2X信息。
  8. 根据权利要求1所述的接口资源选择装置，其中，所述接口资源选择装置还包括：
    利用率确定单元，其在所述用户设备使用所述边链路资源传输所述V2X信息时，确定所述边链路资源的利用率是否超过预设阈值；以及
    利用率上报单元，其在所述边链路资源的利用率超过所述预设阈值的情况下，向基站上报所述边链路资源的利用率。
  9. 根据权利要求8所述的接口资源选择装置，其中，所述接口资源选择装置还包括：
    资源确定单元，其确定所述用户设备是否有空口资源被所述基站重新配置为用于传输所述V2X信息；以及
    所述条件确定单元具体用于：在所述边链路资源的利用率超过所述预设阈值，由此所述用户设备被触发上报所述边链路资源的利用率，并且所述基站根据所述边链路资源的利用率为所述用户设备重新配置有用于传输所述V2X信息的空口资源的情况下，确定所述预设条件被满足。
  10. 根据权利要求9所述的接口资源选择装置，其中，所述资源改变单元具体用于：在所述用户设备使用所述边链路资源传输所述V2X信息时，在所述预设条件被满足的情况下，使用所述基站重新配置的所述空口资源来传输所述V2X信息。
  11. 一种接口资源选择装置，配置于基站中，所述接口资源选择装置包括：
    第一配置单元，其为用户设备配置用于传输V2X信息的空口资源或者边链路资 源；以及
    第二配置单元，其为所述用户设备预先配置或者重新配置接口资源，使得所述用户设备在满足预设条件的情况下，从使用所述空口资源传输所述V2X信息改变为使用所述边链路资源传输所述V2X信息，或者从使用所述边链路资源传输所述V2X信息改变为使用所述空口资源传输所述V2X信息。
  12. 根据权利要求11所述的接口资源选择装置，其中，所述预设条件为：正在传输所述V2X信息的所述空口资源所对应的信道条件发生异常，并且所述用户设备被基站配置有用于传输所述V2X信息的所述边链路资源；
    或者，所述预设条件为：正在传输所述V2X信息的所述边链路资源的利用率超过预设阈值，由此所述用户设备被触发上报所述边链路资源的利用率，并且所述基站根据所述用户设备上报的所述边链路资源的利用率重新配置用于传输所述V2X信息的所述空口资源。
  13. 根据权利要求11所述的接口资源选择装置，其中，所述接口资源选择装置还包括：
    指示发送单元，其向所述用户设备发送用于指示所述用户设备能够使用所述空口资源和/或所述边链路资源进行所述V2X信息传输的指示信息。
  14. 根据权利要求13所述的接口资源选择装置，其中，所述接口资源选择装置还包括：
    请求接收单元，其接收所述用户设备发送的资源请求信息；以及
    所述第一配置单元具体用于：在所述请求接收单元接收到所述资源请求信息的情况下，为所述用户设备配置用于传输所述V2X信息的所述空口资源或者所述边链路资源。
  15. 根据权利要求14所述的接口资源选择装置，其中，在所述边链路资源的利用率超过预设阈值的情况下，所述资源请求信息中包括所述边链路资源的利用率。
  16. 根据权利要求11所述的接口资源选择装置，其中，所述第二配置单元具体用于：在所述用户设备使用所述空口资源传输所述V2X信息时，为所述用户设备预先配置用于传输所述V2X信息的所述边链路资源。
  17. 根据权利要求11所述的接口资源选择装置，其中，所述接口资源选择装置还包括：
    利用率接收单元，其在所述用户设备使用所述边链路资源传输所述V2X信息时，接收所述用户设备上报的所述边链路资源的利用率；以及
    所述第二配置单元具体用于：在所述利用率接收单元接收到所述边链路资源的利用率的情况下，为所述用户设备重新配置用于传输所述V2X信息的所述空口资源。
  18. 一种通信系统，所述通信系统包括：
    基站，其为用户设备配置用于传输V2X信息的空口资源或者边链路资源，以及预先配置或者重新配置用于传输所述V2X信息的接口资源；
    用户设备，其在使用所述空口资源或者所述边链路资源传输所述V2X信息时，在满足预设条件的情况下，从使用所述空口资源传输所述V2X信息改变为使用所述边链路资源传输所述V2X信息，或者从使用所述边链路资源传输所述V2X信息改变为使用所述空口资源传输所述V2X信息。
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