WO2019155632A1 - Dispositif utilisateur et dispositif de station de base - Google Patents

Dispositif utilisateur et dispositif de station de base Download PDF

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Publication number
WO2019155632A1
WO2019155632A1 PCT/JP2018/004715 JP2018004715W WO2019155632A1 WO 2019155632 A1 WO2019155632 A1 WO 2019155632A1 JP 2018004715 W JP2018004715 W JP 2018004715W WO 2019155632 A1 WO2019155632 A1 WO 2019155632A1
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Prior art keywords
communication
terminal
communication quality
user
terminal type
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PCT/JP2018/004715
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English (en)
Japanese (ja)
Inventor
真平 安川
倫己 丸小
理一 工藤
Original Assignee
株式会社Ｎｔｔドコモ
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Priority to PCT/JP2018/004715 priority Critical patent/WO2019155632A1/fr
Publication of WO2019155632A1 publication Critical patent/WO2019155632A1/fr

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W24/00—Supervisory, monitoring or testing arrangements
    • H04W24/10—Scheduling measurement reports ; Arrangements for measurement reports
    • 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
    • H04W92/00—Interfaces specially adapted for wireless communication networks
    • H04W92/16—Interfaces between hierarchically similar devices
    • H04W92/18—Interfaces between hierarchically similar devices between terminal devices

Definitions

  • the present invention relates to a user apparatus and a base station apparatus in a wireless communication system.
  • LTE Long Term Evolution
  • LTE-A Long Term Evolution Advanced
  • NR New Radio
  • 5G New Radio
  • D2D Device-to-Device
  • D2D reduces the traffic between the user apparatus and the base station apparatus, and enables communication between user apparatuses even when the base station apparatus becomes unable to communicate during a disaster or the like.
  • D2D includes D2D discovery (D2D discovery, also referred to as D2D discovery) for finding other user devices that can communicate, and D2D communication (D2D direct communication, D2D communication, direct communication between terminals) for direct communication between user devices. It is also broadly classified as communication).
  • D2D discovery also referred to as D2D discovery
  • D2D communication D2D direct communication, D2D communication, direct communication between terminals
  • D2D is referred to as “sidelink” (for example, Non-Patent Document 1), but in this specification, D2D, which is a more general term, is used. However, in the description of the embodiment described later, side links are also used as necessary.
  • the present invention has been made in view of the above points, and an object of the present invention is to report communication quality reflecting an environment unique to a communication terminal from the communication terminal to the network.
  • the communication unit directly communicates with other user apparatuses, and reports the communication quality related to the direct communication and the terminal type related to the direct communication to the network, and based on the communication quality and the terminal type
  • a communication unit that performs communication to which radio control is applied, and the terminal type includes a user device including information indicating a classification of the other user device and information indicating a classification of the user device.
  • the disclosed technology it is possible to report the communication quality reflecting the environment unique to the communication terminal from the communication terminal to the network.
  • V2X It is a figure for demonstrating a communication quality report. It is a sequence diagram for demonstrating the procedure of the control which concerns on the communication quality in embodiment of this invention. It is a figure for demonstrating the terminal classification (1) in embodiment of this invention. It is a figure for demonstrating the terminal classification (2) in embodiment of this invention. It is a figure for demonstrating the report procedure (1) of the communication quality for every terminal classification in embodiment of this invention. It is a figure for demonstrating the report procedure (2) of the communication quality for every terminal classification in embodiment of this invention. It is a figure for demonstrating the report procedure (3) of the communication quality for every terminal classification in embodiment of this invention. It is a figure for demonstrating the radio
  • LTE Long Term Evolution
  • LTE-Advanced LTE-Advanced and subsequent schemes (eg, NR).
  • the Duplex method may be a TDD (Time Division Division Duplex) method, an FDD (Frequency Division Duplex) method, or other (for example, Flexible Duplex).
  • This method may be used.
  • transmitting a signal using a transmission beam may be transmitting a signal multiplied by a precoding vector (precoded with a precoding vector).
  • receiving a signal using a receive beam may be multiplying the received signal by a predetermined weight vector.
  • transmitting a signal using a transmission beam may be expressed as transmitting a signal through a specific antenna port.
  • receiving a signal using a receive beam may be expressed as receiving a signal at a specific antenna port.
  • An antenna port refers to a logical antenna port or a physical antenna port defined in the 3GPP standard.
  • the method of forming the transmission beam and the reception beam is not limited to the above method.
  • a method of changing the angle of each antenna may be used, or a method of combining a method of using a precoding vector and a method of changing the angle of an antenna is used.
  • different antenna panels may be switched and used, or a method of combining a plurality of antenna panels may be used, or other methods may be used.
  • a plurality of different transmission beams may be used in the high frequency band. The use of multiple transmission beams is called multi-beam operation, and the use of one transmission beam is called single beam operation.
  • FIG. 1 is a diagram for explaining V2X.
  • V2X Vehicle Everything
  • eV2X enhanced V2X
  • FIG. 1 V2X is a part of ITS (Intelligent Transport Systems), meaning V2V (Vehicle Transport Vehicle), which is a communication mode performed between vehicles, and the roadside installed on the side of the vehicle and the road.
  • V2I Vehicle to Infrastructure
  • V2N Vehicle to Nomadic device
  • V2P Vehicle to Pedestrian
  • Mode 3 and Mode 4 are defined for resource allocation for V2X communication to user apparatuses.
  • transmission resources are dynamically allocated by DCI (Downlink Control Information) sent from the base station apparatus to the user apparatus.
  • DCI Downlink Control Information
  • SPS Semi-Persistent-Scheduling
  • the user apparatus autonomously selects transmission resources from the resource pool.
  • V2X using LTE or NR cellular communication and inter-terminal communication is being studied. It is envisaged that studies not limited to the 3GPP specifications will be advanced in the future for LTE or NR V2X. For example, ensuring interoperability, cost efficiency by implementing higher layers, using or switching multiple RATs (Radio Access Technology), regulation support in each country, data acquisition, distribution, database management of LTE or NR V2X platform It is assumed that usage methods will be considered.
  • RATs Radio Access Technology
  • FIG. 2 is a diagram for explaining a communication quality report in the embodiment of the present invention.
  • the user device when determining a wireless interface used for a specific service or a wireless parameter to be applied to the wireless interface based on communication quality reported from the user device 200, the user device according to the type of the user device 200 or the like It is conceivable that an inappropriate radio interface or radio parameter is determined due to the communication quality difference inherent in 200.
  • an inappropriate radio interface or radio parameter is similarly determined. It is possible.
  • FIG. 2 shows an example in which the network controls the distribution of the radio interface, radio parameters, or communication quality used by the user apparatus 200 for each position grid indicating the geographical position.
  • the position grid is an example of a quadrangle, but may be a polygon such as a hexagon, and the size of the position grid may be several meters to several hundred meters.
  • the network collects the communication quality of the user apparatus 200 for each position grid.
  • the report from the user apparatus 200 to the network or the distribution from the network to the user apparatus 200 may be executed by collecting a plurality of position grids.
  • the size of the position grid may be a network operation that is set to be small in a city and large in a suburb.
  • the user device 200 includes, for example, a type based on the type of movement of a vehicle terminal, a motorcycle terminal, a pedestrian terminal, etc., a type related to antenna performance such as a rooftop antenna attached to the vehicle, an in-vehicle terminal, a handset
  • the classification is based on the type based on the communication role of the terminal, roadside device, etc., and the type based on the terminal capability.
  • the quality difference specific to the user apparatus 200 in the V2X service is, for example, a difference in link quality due to antenna gain, shielding loss, or the geographical position of the user apparatus 200 for each terminal, Depending on the type, the quality difference unique to the user apparatus 200 may be defined or classified.
  • the link quality is, for example, a path loss, a reception level, or the like.
  • the radio interface in the V2X service is, for example, DSRC (Dedicated Short Range Communications), LTE, 5G, wireless LAN, and communication via the base station apparatus 100 and direct communication between the user apparatuses 200.
  • DSRC Dedicated Short Range Communications
  • LTE Long Term Evolution
  • 5G Fifth Generation
  • wireless LAN Wireless Local Area Network
  • the network may notify the user apparatus 200 that the quality of direct communication is insufficient, or communication via the base station apparatus 100 may be validated. .
  • a wireless interface such as a pedestrian terminal, that is, a normal smartphone
  • a human body shielding loss due to a handgrip or the like is considered.
  • the network makes a determination assuming a higher quality than the actual quality. For this reason, the pedestrian terminal may overestimate the communication range of direct communication and execute direct communication.
  • pedestrian terminals since pedestrian terminals may be operated without receiving direct communication, the quality of direct communication may not be grasped based on reports from other pedestrian terminals. For example, as a pedestrian terminal, a direct communication terminal that omits the reception function has been studied.
  • the terminal type is a type for classifying the above-mentioned user device 200, and relates to antenna performance such as a type based on the type of movement such as a vehicle terminal, a motorcycle terminal, a pedestrian terminal, and a rooftop antenna mounted on the vehicle.
  • Type type based on the role of in-vehicle terminal, handset terminal or roadside unit, etc., type by terminal capability, terminal type of transmitting terminal that has transmitted a radio signal related to communication quality, and terminal type of receiving terminal that has received the radio signal including. Further, the offset value defined for each terminal type is applied to the communication quality.
  • the network can grasp the communication quality for each terminal type by associating the communication quality with the terminal type and reporting from the user apparatus 200 to the network. Moreover, the communication quality normalized for every terminal classification can be estimated. Further, by using the terminal type, the network can grasp the communication quality corresponding to the sub-grid defined for each terminal type such as a roadway or a sidewalk in a certain grid.
  • the network can determine the radio interface or radio parameter based on the communication quality and the terminal type and notify the user apparatus 200 of it.
  • the network notifies the user apparatus 200 of information related to communication quality, and the user apparatus 200 determines a wireless interface or a wireless parameter based on the information, whereby a wireless interface or a wireless parameter adapted to the terminal type is determined.
  • the user device 200 can be selected.
  • FIG. 3 is a sequence diagram for illustrating a control procedure related to communication quality in the embodiment of the present invention.
  • the user apparatus 200 transmits a communication quality report to the base station apparatus 100.
  • the communication quality report includes, for example, communication quality, terminal type, and location information.
  • the communication quality is, for example, reception level, SINR (Signal-to-interference-plus-noise ratio), packet error rate, interference level, and congestion level.
  • SINR Signal-to-interference-plus-noise ratio
  • User apparatus 200 may report communication quality to base station apparatus 100 for each communication range, or report only communication quality within a certain communication range to base station apparatus 100. By performing the communication quality report depending on the communication range, the network can determine the magnitude of the propagation loss using the reception level or the packet error rate.
  • the position information is, for example, latitude and longitude, or a position grid index. Further, the location information may be a cell ID, a frequency, or an operator number to which the user apparatus 200 is located or connected.
  • the communication quality report may be transmitted to the base station apparatus 100 via higher layer signaling, or may be transmitted to a server on the network.
  • step S2 the base station apparatus 100 transmits to the user apparatus 200 the radio interface or radio parameter determined based on the communication quality report received in step S1. Moreover, the base station apparatus 100 transmits the communication quality collected based on the communication quality report received at step S1 to the user apparatus 200 as a communication quality distribution.
  • the user apparatus 200 uses an offset value that is specified in advance or notified from the network.
  • an offset value corresponding to the terminal type to be reported is applied, a communication quality database independent of the terminal type is constructed, and a communication quality database for other terminal types is constructed.
  • the network can estimate the communication quality for each terminal type.
  • the offset value corresponding to the terminal type used for the communication quality is an example, and may be multiplication of a predetermined coefficient, or another calculation method. A combination of an offset value, multiplication of a predetermined coefficient, and other calculation methods may be used.
  • step S3 the user apparatus 200 changes the radio communication setting by applying the radio interface or radio parameter received from the base station apparatus 100. Further, the user apparatus 200 may change the wireless communication setting by determining a wireless interface or a wireless parameter based on the communication quality distribution received from the base station apparatus 100.
  • FIG. 4A is a diagram for describing a terminal type (1) in the embodiment of the present invention.
  • FIG. 4B is a diagram for describing a terminal type (2) in the embodiment of the present invention.
  • a detailed terminal type which is information for classifying the attributes of the user apparatus 200, will be described.
  • the terminal type when direct communication is performed between the user apparatuses 200 is set to the transmission-side user apparatus 200 “Tx” or the reception-side user apparatus 200 “Rx”, and the movement type and The terminal type based on the role is included.
  • Examples of terminal types for further classifying the terminal type “Tx” include “vehicle (handset terminal)”, “vehicle (vehicle-mounted terminal)”, “pedestrian (handset terminal)”, and “roadside device”.
  • the handset terminal is a smartphone or the like used by the user, and the in-vehicle terminal is a communication device that is fixedly mounted on the vehicle.
  • examples of terminal types for further classifying the terminal type “Rx” include “vehicle (handset terminal)”, “vehicle (vehicle-mounted terminal)”, “pedestrian (handset terminal)”, and “roadside device”.
  • the direct communication radio signal transmitted from the user device 200 that is “Tx” and “vehicle (handset terminal)” is transmitted to the user device 200 that is “Rx” and “vehicle (vehicle terminal)”.
  • the terminal type associated with the communication quality is “vehicle (handset terminal)” as the transmission terminal, “vehicle (vehicle-mounted terminal)” as the reception terminal, and the communication quality is associated with the terminal type in the network. To be reported.
  • the reception quality is Different.
  • the reception quality is Different. That is, the communication quality differs depending on the transmitting terminal type and the receiving terminal type.
  • Rx is “pedestrian (handset terminal)”
  • Tx is directly from “vehicle (handset terminal)”, “vehicle (vehicle-mounted terminal)”, or “pedestrian (handset terminal)”. Since there is a possibility that the communication signal is not received, the communication quality of transmission / reception in the terminal type may be unknown.
  • the terminal type when communication is performed between the base station apparatus 100 and the user apparatus 200 is the base station apparatus 100 “Tx” on the transmission side or the user apparatus 200 “Rx” on the reception side. Furthermore, the terminal type based on the type and role of movement is included. Examples of terminal types for further classifying the terminal type “Rx” include “vehicle (handset terminal)”, “vehicle (vehicle-mounted terminal)”, “pedestrian (handset terminal)”, and “roadside device”.
  • the communication quality differs depending on the transmission-side terminal type or the reception-side terminal type
  • the communication quality and the terminal type are reported, so that in accordance with the terminal type in the transmission / reception environment of the user apparatus 200 in addition to the communication quality.
  • the network or the user apparatus 200 can grasp the communication quality independent of the terminal type by defining the offset value according to the terminal type for the communication quality.
  • FIG. 5A is a diagram for explaining a communication quality reporting procedure (1) for each terminal type in the embodiment of the present invention.
  • FIG. 5B is a diagram for explaining a communication quality reporting procedure (2) for each terminal type in the embodiment of the present invention.
  • FIG. 5C is a diagram for describing a communication quality reporting procedure (3) for each terminal type in the embodiment of the present invention.
  • the detailed procedure when the user apparatus 200 that has received the direct communication radio signal reports the communication quality to the network for each terminal type will be described in three ways in which the processing of the receiving-side user apparatus 200 is different. To do.
  • FIG. 5A is an example in which the transmission-side terminal type is determined in the upper layer of the reception-side user device 200.
  • the measurement result acquired in layer 1 and layer 2 of the receiving-side user apparatus 200 and the corresponding received packet are sent to the upper layer.
  • the source terminal type is recognized based on the payload of the received packet. Since the upper layer of the receiving-side user apparatus 200 recognizes the terminal type of its own apparatus, the measurement result, the transmitting-side terminal type, and the receiving-side terminal type are reported to the network. Therefore, the network can collect the communication quality for each transmission terminal type, reception terminal type, or transmission terminal type and reception terminal type.
  • FIG. 5B is an example in which the transmission-side terminal type is determined by layer 1 / layer 2 of the reception-side user device 200.
  • the measurement result and the transmission-side terminal type acquired in layer 1 and layer 2 of the reception-side user device 200 are transmitted to the upper layer.
  • Layer 1 and layer 2 determine the transmission-side terminal type based on the resource position where the radio signal is received or the layer 1 / layer 2 control signal. Since the upper layer of the receiving-side user device 200 recognizes the terminal type of its own device, the measurement result, the transmitting-side terminal type, and the receiving-side terminal type are reported to the network. Therefore, the network can collect the communication quality for each transmission terminal type, reception terminal type, or transmission terminal type and reception terminal type.
  • FIG. 5C is an example in which the transmission-side terminal type is not determined by the reception-side user device 200.
  • the measurement results acquired in layer 1 and layer 2 of the receiving-side user apparatus 200 are sent to the upper layer. Since the upper layer of the receiving-side user device 200 recognizes the terminal type of its own device, the measurement result and the receiving-side terminal type are reported to the network. Therefore, the network can collect the communication quality for each receiving terminal type.
  • reporting procedure shown in FIG. 5A, FIG. 5B, or FIG. 5C may be executed when the transmitting side is the base station apparatus 100.
  • FIG. 6A is a diagram for describing wireless control (1) related to the position grid in the embodiment of the present invention.
  • FIG. 6B is a diagram for describing the wireless control (2) according to the position grid in the embodiment of the present invention.
  • FIG. 6A shows a state in which the user device 200 belongs to a certain position grid.
  • radio control that is, determination of a radio interface or a radio parameter may be performed. That is, the network may perform radio control of the user apparatus 200 based on the terminal type and communication quality related to transmission / reception in the position grid to which the user apparatus 200 currently belongs, collected during a predetermined period.
  • the network may perform radio control of the user apparatus 200 based on the terminal type and communication quality related to transmission / reception reported by the user apparatus 200, and the user apparatus 200 collected in a predetermined period
  • the user apparatus 200 may be wirelessly controlled in consideration of the terminal type and communication quality related to transmission / reception in the position grid to which the user belongs.
  • the radio control determined by the user device 200 may be performed based on information included in the communication quality distribution transmitted from the network to the user device 200.
  • FIG. 6B shows a state in which the user apparatus 200 belongs to a certain position grid, and a plurality of adjacent position grids are shaded.
  • the network may perform radio control of the user apparatus 200 based on the communication quality collected in the multiple position grid.
  • the multiple position grid may be defined by a position grid within a predetermined distance from the position grid to which the user apparatus 200 currently belongs, or is a position grid included in a group of predefined position grids. Also good. Further, for example, when the communication quality collected in the position grid indicated by hatching in FIG. 6B is the worst compared to other position grids indicated by hatching, the communication quality of the position grid indicated by hatching is shaded. You may use in common with other position grids shown by. That is, when radio control is performed based on the communication quality of the multi-position grid, the radio control may be performed using the communication quality of the grid having the worst communication quality.
  • the wireless control may be performed based on the terminal capability of the user apparatus 200, the state of the battery, or the power source.
  • the transmission parameter or the reception parameter determined in the radio control may be defined as an independent multiple position grid. For example, by making the multi-position grid corresponding to the reception parameter wider than the multi-position grid corresponding to the transmission parameter, it is possible to perform reception adapted to the transmission control of the peripheral user device 200. That is, when a wireless interface different from the user apparatus 200 is used for transmission in the peripheral position grid, the user apparatus existing in the peripheral position grid is controlled by controlling the user apparatus 200 to use the wireless interface. Monitoring for starting direct communication with 200 becomes possible.
  • a plurality of terminal types may be assumed, and transmission control or reception control may be performed using the worst communication quality among the terminal types. For example, when the terminal type assumed as the transmission-side user device 200 is “vehicle (vehicle-mounted terminal)” or “pedestrian (handset terminal)”, wireless control is performed based on the terminal type having worse communication quality. May be. Further, in wireless control, a plurality of terminal types may be assumed, and reception on a wireless interface used by one of the terminal types for transmission may be validated. By enabling the wireless interface, monitoring for starting direct communication becomes possible.
  • the wireless control for the user apparatus 200 may be performed by being notified from the base station apparatus 100 or a server on the network, or may be performed by the user apparatus 200 that performs transmission / reception.
  • the user apparatus 200 may be notified by broadcast or may be notified individually.
  • the user apparatus 200 can report the communication quality and the terminal type associated with the communication quality to the network.
  • the network can grasp
  • the communication quality normalized for every terminal classification can be estimated.
  • the network can grasp the communication quality corresponding to the sub-grid defined for each terminal type such as a roadway or a sidewalk in a certain grid. Further, the network can determine a radio interface or a radio parameter based on the communication quality and the terminal type and notify the user apparatus 200 of the radio interface or radio parameter.
  • the network notifies the user apparatus 200 of information related to communication quality, and the user apparatus 200 determines a wireless interface or a wireless parameter based on the information, whereby a wireless interface or a wireless parameter adapted to the terminal type is determined.
  • the user device 200 can be selected.
  • the communication quality reflecting the environment unique to the communication terminal can be reported from the communication terminal to the network.
  • the base station apparatus 100 and the user apparatus 200 include functions for implementing the above-described embodiments. However, each of the base station apparatus 100 and the user apparatus 200 may have only some functions in the embodiments.
  • FIG. 7 is a diagram illustrating an example of a functional configuration of the base station apparatus 100.
  • the base station apparatus 100 includes a transmission unit 110, a reception unit 120, a setting information management unit 130, and a communication quality control unit 140.
  • the functional configuration shown in FIG. 7 is merely an example. As long as the operation
  • the transmission unit 110 includes a function of generating a signal to be transmitted to the user apparatus 200 and transmitting the signal wirelessly.
  • the reception unit 120 includes a function of receiving various signals transmitted from the user apparatus 200 and acquiring, for example, higher layer information from the received signals. Further, the transmission unit 110 has a function of transmitting NR-PSS, NR-SSS, NR-PBCH, DL / UL control signals, and the like to the user apparatus 200. For example, the transmission unit 110 transmits information indicating that another terminal is close to the user device 200, and the reception unit 120 receives terminal information from the user device 200.
  • the setting information management unit 130 stores setting information set in advance and various setting information to be transmitted to the user apparatus 200.
  • the content of the setting information is, for example, information related to transmission / reception parameters of D2D communication.
  • the communication quality control unit 140 performs processing for notifying the user device 200 of communication quality information and information related to wireless communication settings based on the communication quality information notified from the user device 200. .
  • FIG. 8 is a diagram illustrating an example of a functional configuration of the user device 200.
  • the user device 200 includes a transmission unit 210, a reception unit 220, a setting information management unit 230, and a communication quality processing unit 240.
  • the functional configuration shown in FIG. 8 is only an example. As long as the operation
  • the transmission unit 210 creates a transmission signal from the transmission data and transmits the transmission signal wirelessly.
  • the receiving unit 220 wirelessly receives various signals and acquires higher layer signals from the received physical layer signals.
  • the receiving unit 220 has a function of receiving NR-PSS, NR-SSS, NR-PBCH, DL / UL control signals and the like transmitted from the base station apparatus 100.
  • the transmission unit 210 transmits PSCCH (Physical Sidelink SharePSChannel), PSDCH (Physical Sidelink Discovery Channel), PSBCH (Physical Sidelink Broadcast Channel) to other user apparatuses 200 as D2D communication. ) And the like, and the receiving unit 120 receives PSCCH, PSSCH, PSDCH, PSBCH, and the like from the other user apparatus 200.
  • PSCCH Physical Sidelink SharePSChannel
  • PSDCH Physical Sidelink Discovery Channel
  • PSBCH Physical Sidelink Broadcast Channel
  • the setting information management unit 230 stores various setting information received from the base station apparatus 100 or the user apparatus 200 by the receiving unit 220.
  • the setting information management unit 230 also stores setting information set in advance.
  • the content of the setting information is, for example, information related to transmission / reception parameters of D2D communication.
  • the communication quality processing unit 240 generates information related to communication quality notified from the user apparatus 200 to the base station apparatus 100. Further, the communication quality processing unit 240 receives information related to wireless communication from the base station apparatus 100 and controls the wireless communication of the user apparatus 200 based on the information.
  • a function unit related to signal transmission in the communication quality processing unit 240 may be included in the transmission unit 210, and a function unit related to signal reception in the communication quality processing unit 240 may be included in the reception unit 220.
  • each functional block may be realized by one device in which a plurality of elements are physically and / or logically combined, or two or more devices physically and / or logically separated may be directly and directly. It may be realized by a plurality of these devices connected indirectly (for example, wired and / or wirelessly).
  • both the base station apparatus 100 and the user apparatus 200 according to the embodiment of the present invention may function as a computer that performs processing according to the embodiment of the present invention.
  • FIG. 9 is a diagram illustrating an example of a hardware configuration of a radio communication apparatus that is the base station apparatus 100 or the user apparatus 200 according to the embodiment of the present invention.
  • Each of the base station apparatus 100 and the user apparatus 200 described above is physically a computer apparatus including a processor 1001, a storage apparatus 1002, an auxiliary storage apparatus 1003, a communication apparatus 1004, an input apparatus 1005, an output apparatus 1006, a bus 1007, and the like. It may be configured.
  • the term “apparatus” can be read as a circuit, a device, a unit, or the like.
  • the hardware configuration of the base station apparatus 100 and the user apparatus 200 may be configured to include one or a plurality of apparatuses indicated by 1001 to 1006 shown in the figure, or may be configured not to include some apparatuses. May be.
  • Each function in the base station apparatus 100 and the user apparatus 200 is performed by causing the processor 1001 to perform computation by reading predetermined software (program) on hardware such as the processor 1001 and the storage device 1002, and the communication by the communication apparatus 1004. This is realized by controlling reading and / or writing of data in the storage device 1002 and the auxiliary storage device 1003.
  • the processor 1001 controls the entire computer by operating an operating system, for example.
  • the processor 1001 may be configured by a central processing unit (CPU) including an interface with peripheral devices, a control device, an arithmetic device, a register, and the like.
  • CPU central processing unit
  • the processor 1001 reads a program (program code), software module, or data from the auxiliary storage device 1003 and / or the communication device 1004 to the storage device 1002, and executes various processes according to these.
  • a program program that causes a computer to execute at least a part of the operations described in the above embodiments is used.
  • the transmission unit 110, the reception unit 120, the setting information management unit 130, and the communication quality control unit 140 of the base station apparatus 100 illustrated in FIG. 7 are realized by a control program stored in the storage device 1002 and operating on the processor 1001. May be.
  • the processor 1001 may be implemented by one or more chips. Note that the program may be transmitted from a network via a telecommunication line.
  • the storage device 1002 is a computer-readable recording medium.
  • the storage device 1002 is at least one of ROM (Read Only Memory), EPROM (Erasable Programmable ROM), EEPROM (Electrically Erasable Programmable ROM), RAM (Random Access Memory), and the like. It may be configured.
  • the storage device 1002 may be called a register, a cache, a main memory (main storage device), or the like.
  • the storage device 1002 can store a program (program code), a software module, and the like that can be executed to perform the processing according to the embodiment of the present invention.
  • the auxiliary storage device 1003 is a computer-readable recording medium, such as an optical disc such as a CD-ROM (Compact Disc) ROM, a hard disc drive, a flexible disc, a magneto-optical disc (eg, a compact disc, a digital versatile disc, a Blu-ray). -Ray (registered trademark) disk), smart card, flash memory (eg, card, stick, key drive), floppy (registered trademark) disk, magnetic strip, etc.
  • the auxiliary storage device 1003 may be referred to as an auxiliary storage device.
  • the above-described storage medium may be, for example, a database including the storage device 1002 and / or the auxiliary storage device 1003, a server, or other suitable medium.
  • the communication device 1004 is hardware (transmission / reception device) for performing communication between computers via a wired and / or wireless network, and is also referred to as a network device, a network controller, a network card, a communication module, or the like.
  • the transmission unit 110 and the reception unit 120 of the base station device 100 may be realized by the communication device 1004.
  • the transmission unit 210 and the reception unit 220 of the user device 200 may be realized by the communication device 1004.
  • the input device 1005 is an input device (for example, a keyboard, a mouse, a microphone, a switch, a button, a sensor, etc.) that accepts an input from the outside.
  • the output device 1006 is an output device (for example, a display, a speaker, an LED lamp, etc.) that performs output to the outside.
  • the input device 1005 and the output device 1006 may have an integrated configuration (for example, a touch panel).
  • each device such as the processor 1001 and the storage device 1002 is connected by a bus 1007 for communicating information.
  • the bus 1007 may be configured with a single bus or may be configured with different buses between apparatuses.
  • the base station apparatus 100 and the user apparatus 200 each include a microprocessor, a digital signal processor (DSP), an application specific integrated circuit (ASIC), a programmable logic device (PLD), a field programmable gate array (FPGA), and the like.
  • DSP digital signal processor
  • ASIC application specific integrated circuit
  • PLD programmable logic device
  • FPGA field programmable gate array
  • the hardware may be configured, and a part or all of each functional block may be realized by the hardware.
  • the processor 1001 may be implemented by at least one of these hardware.
  • a user apparatus that directly communicates with another user apparatus, wherein the communication quality related to the direct communication and the terminal type related to the direct communication are set in the network.
  • a processing unit that reports, and a communication unit that executes communication to which radio control based on the communication quality and the terminal type is applied, and the terminal type includes information indicating a classification of the other user device, and A user device including information indicating a classification of the user device is provided.
  • the user apparatus 200 can report the communication quality and the terminal type associated with the communication quality to the network. That is, the communication quality reflecting the environment specific to the communication terminal can be reported from the communication terminal to the network.
  • the information indicating the classification may include a movement type or a communication role.
  • the network or user apparatus 200 can grasp the communication quality for each terminal type based on the detailed information of the terminal type associated with the communication quality.
  • the radio control may be determined based on communication quality to which an offset value defined for each information indicating the classification is applied. With this configuration, the network or user device 200 can estimate the communication quality normalized for each terminal type.
  • the information indicating the classification of the other user equipment is specified based on information included in a payload of the received packet by the direct communication, or specified based on a resource position where the radio signal of the direct communication is received. May be.
  • the user device 200 on the receiving side of direct communication can acquire the terminal type of the transmitting-side user device 200 of direct communication and report it to the network.
  • the processing unit reports information indicating a geographical location of the user device to a network
  • the radio control may be determined based on communication quality and terminal type collected in a predetermined area to which the geographical location belongs.
  • the user apparatus 200 can execute wireless control based on communication quality and terminal type associated with the position grid.
  • a base station apparatus that controls a user apparatus that directly communicates with another user apparatus, wherein the communication quality related to the direct communication and the terminal type related to the direct communication are A receiving unit that receives from a user device; and a transmitting unit that transmits information for executing radio control based on the communication quality and the terminal type to the user device, wherein the terminal type is the other user device.
  • a base station apparatus including information indicating the classification of the user apparatus and information indicating the classification of the user apparatus.
  • the base station apparatus 100 can determine the radio interface or radio parameter based on the communication quality and the terminal type and notify the user apparatus 200 of it.
  • the operations of a plurality of functional units may be physically performed by one component, or the operations of one functional unit may be physically performed by a plurality of components.
  • the processing order may be changed as long as there is no contradiction.
  • the base station apparatus 100 and the user apparatus 200 have been described using functional block diagrams. However, such apparatuses may be realized by hardware, software, or a combination thereof.
  • the software operated by the processor of the base station apparatus 100 according to the embodiment of the present invention and the software operated by the processor of the user apparatus 200 according to the embodiment of the present invention are random access memory (RAM), flash memory, and reading, respectively. It may be stored in a dedicated memory (ROM), EPROM, EEPROM, register, hard disk (HDD), removable disk, CD-ROM, database, server or any other suitable storage medium.
  • notification of information is not limited to the aspect / embodiment described in the present specification, and may be performed by other methods.
  • notification of information includes physical layer signaling (for example, DCI (Downlink Control Information), UCI (Uplink Control Information)), upper layer signaling (for example, RRC (Radio Resource Control) signaling, MAC (Medium Access Control) signaling, It may be implemented by broadcast information (MIB (Master Information Block), SIB (System Information Block)), other signals, or a combination thereof, and RRC signaling may be referred to as an RRC message. It may be a connection setup (RRC Connection Setup) message, an RRC connection reconfiguration (RRC Connection Reconfiguration) message, or the like.
  • RRC Connection Setup RRC Connection Setup
  • RRC Connection Reconfiguration RRC Connection Reconfiguration
  • Each aspect / embodiment described herein includes LTE (Long Term Evolution), LTE-A (LTE-Advanced), SUPER 3G, IMT-Advanced 4G, 5G, FRA (Future Radio Access), W-CDMA.
  • LTE Long Term Evolution
  • LTE-A Long Term Evolution-Advanced
  • SUPER 3G IMT-Advanced 4G
  • 5G FRA (Future Radio Access)
  • W-CDMA Wideband
  • GSM registered trademark
  • CDMA2000 Code Division Multiple Access 2000
  • UMB User Mobile Broadband
  • IEEE 802.11 Wi-Fi
  • IEEE 802.16 WiMAX
  • IEEE 802.20 UWB (Ultra-WideBand
  • the present invention may be applied to a Bluetooth (registered trademark), a system using another appropriate system, and / or a next generation system extended based on the system.
  • the specific operation performed by the base station apparatus 100 may be performed by the upper node in some cases.
  • various operations performed for communication with the user apparatus 200 are other than the base station apparatus 100 and / or the base station apparatus 100.
  • it can be done by other network nodes (for example, but not limited to MME or S-GW).
  • MME Mobility Management Entity
  • S-GW Serving Mobility Management Entity
  • the user equipment 200 can be obtained by those skilled in the art from a subscriber station, mobile unit, subscriber unit, wireless unit, remote unit, mobile device, wireless device, wireless communication device, remote device, mobile subscriber station, access terminal, mobile terminal, It may also be referred to as a wireless terminal, remote terminal, handset, user agent, mobile client, client, or some other appropriate terminology.
  • Base station apparatus 100 may also be referred to by those skilled in the art as NB (NodeB), eNB (evolved NodeB), gNB, Base Station, or some other appropriate terminology.
  • NB NodeB
  • eNB evolved NodeB
  • gNB Base Station
  • determining may encompass a wide variety of actions.
  • “Judgment” and “determination” are, for example, judgment (judging), calculation (calculating), calculation (processing), processing (deriving), investigating (investigating), searching (looking up) (for example, table , Searching in a database or another data structure), considering ascertaining as “determining”, “deciding”, and the like.
  • “determination” and “determination” are reception (for example, receiving information), transmission (for example, transmitting information), input (input), output (output), and access. (Accessing) (eg, accessing data in a memory) may be considered as “determined” or “determined”.
  • determination and “determination” means that “resolving”, “selecting”, “choosing”, “establishing”, and “comparing” are regarded as “determining” and “determining”. May be included. In other words, “determination” and “determination” may include considering some operation as “determination” and “determination”.
  • the phrase “based on” does not mean “based only on”, unless expressly specified otherwise. In other words, the phrase “based on” means both “based only on” and “based at least on.”
  • the communication quality processing unit 240 is an example of a processing unit.
  • the transmission unit 210 or the reception unit 220 is an example of a communication unit.
  • the communication quality control unit 140 is an example of a control unit.
  • a vehicle terminal, a motorcycle terminal, or a pedestrian terminal is an example of the type of movement.
  • An in-vehicle terminal, a handset terminal, or a roadside device is an example of a role.
  • the predetermined area is an example of a position grid.

Landscapes

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

Abstract

La présente invention concerne un dispositif utilisateur comprenant : une unité de traitement pour établir une communication directe avec un autre dispositif utilisateur et pour notifier à un réseau la qualité de communication de la communication directe ainsi que des types de terminaux impliqués dans la communication directe ; et une unité de communication pour exécuter une communication à laquelle une commande radio est appliquée sur la base de la qualité de communication et des types de terminaux. Les types de terminaux comprennent des informations indiquant la catégorie de l'autre dispositif utilisateur et des informations indiquant la catégorie du dispositif utilisateur.
PCT/JP2018/004715 2018-02-09 2018-02-09 Dispositif utilisateur et dispositif de station de base WO2019155632A1 (fr)

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PCT/JP2018/004715 WO2019155632A1 (fr) 2018-02-09 2018-02-09 Dispositif utilisateur et dispositif de station de base

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