WO2019138973A1 - Équipement d'utilisateur et dispositif de réseau - Google Patents

Équipement d'utilisateur et dispositif de réseau Download PDF

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Publication number
WO2019138973A1
WO2019138973A1 PCT/JP2019/000097 JP2019000097W WO2019138973A1 WO 2019138973 A1 WO2019138973 A1 WO 2019138973A1 JP 2019000097 W JP2019000097 W JP 2019000097W WO 2019138973 A1 WO2019138973 A1 WO 2019138973A1
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WIPO (PCT)
Prior art keywords
information
user
user apparatus
user device
signal
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PCT/JP2019/000097
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English (en)
Japanese (ja)
Inventor
倫己 丸小
真平 安川
理一 工藤
Original Assignee
株式会社Ｎｔｔドコモ
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Publication of WO2019138973A1 publication Critical patent/WO2019138973A1/fr

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W24/00—Supervisory, monitoring or testing arrangements
    • H04W24/02—Arrangements for optimising operational condition
    • 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]
    • H04W4/46—Services specially adapted for particular environments, situations or purposes for vehicles, e.g. vehicle-to-pedestrians [V2P] for vehicle-to-vehicle communication [V2V]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W40/00—Communication routing or communication path finding
    • H04W40/02—Communication route or path selection, e.g. power-based or shortest path routing
    • 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 network 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 the user apparatuses even when the base station apparatus becomes unable to communicate in a disaster or the like.
  • D2D is D2D discovery (also referred to as D2D discovery, also referred to as D2D discovery) for finding another user apparatus that can communicate, and D2D communication (for direct communication between D2D communication, end-to-end communication for direct communication between user apparatuses). It is also roughly divided into communication and so on. In the following, D2D communication, D2D discovery and the like are simply referred to as D2D when not distinguished from each other. Further, a signal transmitted / received by D2D is called a D2D signal.
  • D2D Downlink
  • sidelink the more general term D2D is used in this specification.
  • sidelink is also used as needed.
  • V2X Vehicle to Everything
  • eV2X enhanced V2X
  • V2X is a part of ITS (Intelligent Transport Systems), and means a form of communication performed between vehicles.
  • V2V Vehicle to Vehicle
  • RSU roadside unit
  • 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 the user apparatus.
  • 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.
  • Non-Patent Document 2 D2D at NR, it is assumed to use a wide range of frequencies from the low frequency band similar to LTE to a frequency band higher than LTE (millimeter wave band).
  • LTE millimeter wave band
  • the communication quality in direct communication may be degraded due to changes in the surrounding environment or the like.
  • no method has been established for improving the communication quality when the communication quality in direct communication is deteriorated.
  • the present invention has been made in view of the above points, and its object is to improve communication quality when communication quality in D2D is deteriorated.
  • a second user device that communicates with a first user device and a network device, the receiver configured to receive a wireless signal from the first user device, and the first user device.
  • a user apparatus comprising: terminal information including at least one of an identifier for identifying a packet
  • communication quality can be improved when communication quality in D2D deteriorates.
  • the existing technology is used as appropriate.
  • the existing technology is, for example, the existing LTE, but is not limited to the existing LTE.
  • LTE LTE
  • LTE-Advanced LTE-Advanced or later (e.g., NR) unless otherwise specified.
  • FIG. 1 is a diagram showing an example of a wireless communication system according to an embodiment of the present invention.
  • the wireless communication method in the embodiment of the present invention is performed by “communication via base station” or “direct communication between terminals”. It will be. Also, “communication via base station” and “direct communication between terminals” may be used in combination with communication between a certain terminal and another terminal.
  • the base station is also referred to as a base station apparatus 100 or an eNB (evolved NodeB), and the terminal is also referred to as a user apparatus 200 or a UE.
  • eNB evolved NodeB
  • a certain terminal transmits data to the base station via UL (Uplink), and a transmission destination terminal receives data from the base station via DL (Downlink).
  • a certain terminal transmits data to another terminal via SL (Sidelink).
  • V2X using LTE or NR cellular communication and inter-terminal communication is being studied.
  • V2X of LTE or NR it is assumed that examinations not limited to 3GPP specifications will also be advanced in the future. For example, securing interoperability, cost-efficiency through implementation of upper layer, multiple RAT (Radio Access Technology) combined use or switching method, regulation correspondence in each country, data acquisition, distribution, database management of V2X platform of LTE or NR It is assumed that usage will be considered.
  • RAT Radio Access Technology
  • the duplex method may be TDD (Time Division Duplex) method, FDD (Frequency Division Duplex) method, or the other (for example, Flexible Duplex etc.). May be used.
  • transmitting a signal using a transmission beam may be transmitting a signal multiplied by a precoding vector (precoded by a precoding vector).
  • receiving a signal using a receive beam may be to multiply the received signal by a predetermined weight vector.
  • transmitting a signal using a transmit beam may be referred to as transmitting a signal at a particular antenna port.
  • receiving a signal using a receive beam may be referred to as receiving a signal at a particular antenna port.
  • the antenna port refers to a logical antenna port or a physical antenna port defined in the 3GPP standard.
  • the method of forming the transmit beam and the receive beam is not limited to the method described above.
  • a method of changing the angle of each antenna may be used, or a method combining the method of using precoding vector and the method of changing the antenna angle
  • different antenna panels may be switched and used, a method of combining and using a plurality of antenna panels may be used, or other methods may be used.
  • a plurality of different transmit beams may be used.
  • the use of multiple transmission beams is called multi-beam operation, and the use of one transmission beam is called single-beam operation.
  • FIG. 2 is a view for explaining the situation of direct communication in the embodiment of the present invention.
  • communication quality largely changes depending on the surrounding environment.
  • FIG. 3 is a diagram showing an example of a wireless communication system in the embodiment of the present invention.
  • the communication quality of direct communication is deteriorated, either (1) parameter change of direct communication, (2) use of communication via base station, or a combination thereof is applied to V2X in order to improve communication quality.
  • a database regarding communication quality of direct communication is constructed in a network including the base station apparatus 100, and a vehicle is managed or controlled from the network based on the database, the above (1) or the above A method of performing (2) can be considered. Therefore, it is important for the user apparatus 200 performing direct communication to notify the network of effective information contributing to the improvement of the reliability of the direct communication.
  • the user apparatus 200 which is a vehicle, directly communicates with other vehicles to collect information on communication quality.
  • the information on the communication quality may be, for example, the state of reception of radio waves by the terrain or nearby buildings, or the state of reception of radio waves in consideration of the influence of shielding by surrounding vehicles, or the state of traffic It may be in the reception state of the radio wave according to.
  • the user apparatus 200 that has collected the information notifies the base station apparatus 100 of valid information.
  • the base station apparatus 100 instructs the user apparatus 200 to instruct a communication method such as changing a wireless parameter to improve the quality of direct communication or switching the direct communication to communication via a base station based on the notified valid information. Notice.
  • the base station apparatus 100 changes radio parameters to improve the quality of direct communication based on the valid information notified from the user apparatus 200, or switches the direct communication to communication via the base station, etc.
  • the base station apparatus 100 may be replaced with a general network apparatus.
  • the network device may be another server device or the like, or may be the base station device 100.
  • FIG. 4 is a diagram showing a state (1) of direct communication in the embodiment of the present invention.
  • the information notified from the user apparatus 200 to the base station apparatus 100 described below may be any one information, a plurality of information, or all information.
  • the situation of direct communication shown in FIG. 4 is that direct transmission can be received from the transmitting UE at the UE where the line of sight is secured, and a building is present along the road, and the line of sight from the transmitting UE is secured It shows the situation where it is not possible to receive direct communication in the incapable UE.
  • the user apparatus 200 that has transmitted the direct communication signal notifies the base station apparatus 100 of its own UE ID and its own position information.
  • the UE ID is an ID for identifying the user apparatus 200.
  • the user apparatus 200 that has received the signal of direct communication notifies the base station apparatus 100 of the UE ID of the user apparatus 200 that has transmitted the signal detected from the received signal and its own position information.
  • the user apparatus 200 that has transmitted the signal of direct communication notifies the base station apparatus 100 of the packet ID identifying the transmission packet and the packet transmission time or position information of itself.
  • the user apparatus 200 that has received the direct communication signal notifies the base station apparatus 100 of the packet ID and the packet reception time detected from the received signal.
  • the packet ID may be used to identify the user device 200.
  • the user apparatus 200 that has transmitted the signal of direct communication notifies the base station apparatus 100 of the radio resource and the position information used for the transmission.
  • the user apparatus 200 that has received the direct communication signal notifies the base station apparatus 100 of the radio resource of the received signal and its own position information.
  • the radio resources may be identified in the frequency domain, in the time domain, or in the frequency domain and the time domain. The radio resources may be used to identify the user device 200.
  • the user apparatus 200 transmitting the signal notifies the base station apparatus 100 of its own position information.
  • the user apparatus 200 that receives the signal notifies the base station apparatus 100 of its position information.
  • the base station apparatus 100 can acquire the reception state of radio waves of direct communication between the user apparatuses 200 by terrain or surrounding buildings or the like.
  • FIG. 5 is a diagram showing a state (2) of direct communication in the embodiment of the present invention.
  • a procedure for notifying the reception state of radio waves to which the influence of shielding by surrounding vehicles is added will be described with reference to FIG.
  • the information notified from the user apparatus 200 to the base station apparatus 100 described below may be any one information, a plurality of information, or all information.
  • the situation of direct communication shown in FIG. 5 shows a situation where shielding occurs when a large vehicle such as a truck is located between the transmitting UE and the receiving UE, and the receiving UE can not receive the direct communication. . Also, the track shows a situation where direct communication can be received from the transmitting UE.
  • the user apparatus 200 that has transmitted the direct communication signal notifies the base station apparatus 100 of its own UE ID and its own position information.
  • the user apparatus 200 that has received the direct communication signal notifies the base station apparatus 100 of the UE ID of the user apparatus 200 that has transmitted the signal detected from the received signal, the position information of itself, and the information indicating the vehicle type of itself.
  • the vehicle type may be indicated, for example, in the category of large vehicles, ordinary vehicles, small vehicles, two-wheeled vehicles, etc., or in more detailed segments such as trucks, buses, trailers, etc.
  • the user apparatus 200 that has transmitted the signal of direct communication notifies the base station apparatus 100 of the packet ID identifying the transmission packet and the position information of itself or the packet transmission time.
  • the user apparatus 200 that has received the signal of direct communication notifies the base station apparatus 100 of the packet ID detected from the received signal, information indicating the vehicle type of itself, and packet reception time or position information.
  • the user apparatus 200 that has transmitted the signal of direct communication notifies the base station apparatus 100 of the radio resource and the position information used for the transmission.
  • the user apparatus 200 that has received the direct communication signal notifies the base station apparatus 100 of the radio resource of the received signal, the position information of itself, and the information indicating the vehicle type of itself.
  • the radio resources may be identified in the frequency domain, in the time domain, or in the frequency domain and the time domain.
  • the user apparatus 200 transmitting the signal notifies the base station apparatus 100 of its own position information.
  • the user device 200 that receives the signal notifies the base station device 100 of its own position information and information indicating the type of vehicle.
  • the base station device 100 can acquire the reception state of the radio wave of the direct communication between the user devices 200 to which the influence of the shielding by the vehicle is added.
  • FIG. 6 is a diagram showing a state (3) of direct communication in the embodiment of the present invention.
  • a procedure for notifying of the reception state of radio waves according to the state of traffic will be described with reference to FIG.
  • the information notified from the user apparatus 200 to the base station apparatus 100 described below may be any one information, a plurality of information, or all information.
  • the state of direct communication shown in FIG. 6 is also moving with the transmitting UE and the receiving UE, and indicates a state in which the reception state by the direct communication changes.
  • the user apparatus 200 that has transmitted the direct communication signal notifies the base station apparatus 100 of its own UE ID and its own position information.
  • the user apparatus 200 that has received the signal of direct communication receives the UE ID of the user apparatus 200 that has transmitted the signal detected from the received signal, its own location information, and the same user who performed averaging for a predetermined period.
  • the base station apparatus 100 is notified of a received signal strength indicator (RSSI), a reference signal received power (RSRP) of a signal received from the apparatus 200, or a block error rate (BLER) which is a packet error rate.
  • RSSI received signal strength indicator
  • RSRP reference signal received power
  • BLER block error rate
  • the user apparatus 200 that has transmitted the signal of direct communication notifies the base station apparatus 100 of the packet ID identifying the transmission packet and the packet transmission time or position information of itself.
  • the user apparatus 200 that has received the direct communication signal receives the packet ID and the packet reception time detected from the received signal or the position information of itself and the received signal from the same user apparatus 200 that has been averaged for a predetermined period.
  • the base station apparatus 100 is notified of the RSSI, RSRP or BLER of
  • the user apparatus 200 that has transmitted the signal of direct communication notifies the base station apparatus 100 of the radio resource and the position information used for the transmission.
  • the user apparatus 200 that has received the signal of direct communication receives the radio resource of the received signal and its own location information, and the RSSI, RSRP or BLER of the received signal from the same user apparatus 200 that has been averaged in a predetermined period. Is notified to the base station apparatus 100.
  • the radio resources may be identified in the frequency domain, in the time domain, or in the frequency domain and the time domain. A plurality of combinations of RSSI, RSRP and BLER may be notified.
  • the user apparatus 200 transmitting the signal notifies the base station apparatus 100 of its own position information.
  • the user apparatus 200 that receives the signal is the same user apparatus 200 that performed averaging with its own location information for a predetermined period.
  • the base station apparatus 100 is notified of the RSSI, RSRP or BLER of the received signal from the base station apparatus 100. A plurality of combinations of RSSI, RSRP and BLER may be notified.
  • the base station apparatus 100 may obtain a change in the reception state of radio waves of direct communication between the user apparatuses 200 according to the state of traffic. it can.
  • FIG. 7 is a diagram for explaining the sequence of updating the direct communication database in the embodiment of the present invention.
  • the terminal on the transmission side of direct communication is the user apparatus 200A
  • the terminal on the reception side of direct communication is the user apparatus 200B
  • the terminal on the transmission side and the reception side is the user apparatus 200 when it is not distinguished.
  • the notification of information from the user apparatus 200 to the base station apparatus 100 shown in FIG. 7 is transmitted to build or update a database on the network.
  • step S11 the user apparatus 200A transmits a direct communication signal, and the user apparatus 200B receives the signal. Subsequently, the user apparatus 200A transmits, to the base station apparatus 100, any one or a combination of the UE ID of the user apparatus 200A, the position information, the packet ID, and the packet transmission time (S12).
  • the user apparatus 200B performs user ID averaging of UE ID of the user apparatus 200A, position information of the user apparatus 200B, information indicating the vehicle type of the user apparatus 200B, packet ID, packet reception time, and a predetermined period. It transmits to the base station apparatus 100 any one or a combination of RSSI, RSRP and BLER of the received signal from 200A.
  • step S14 the base station apparatus 100 updates a database for controlling direct communication based on the information notified from the user apparatus 200 in steps S12 and S13.
  • the user device 200A may transmit information indicating the vehicle type of the user device 200B to the base station device 100. Further, regarding the notification from the user device 200A or the user device 200B to the base station device 100, the notification may be limited by the type of the user device 200B, or the notification frequency or the information to be notified may be changed. For example, the user device 200A or the user device 200B performs notification when the vehicle type of the user device 200B is a large vehicle, and does not notify when the vehicle type of the user device 200B is an ordinary vehicle It may be reduced than in the case. Note that the user device 200A may acquire information indicating the vehicle type of the user device 200B via the base station device 100.
  • the information to be notified reduces the frequency of being notified to the base station apparatus 100.
  • the packet ID notified in step S12 and step S13 may be an identifier included in the packet or an identifier generated based on the information included in the packet.
  • the user apparatus 200 may not necessarily immediately perform notification of terminal information after acquiring the terminal information.
  • the user device 200 may notify terminal information according to a specific area, a specific time zone, a predetermined time after transmission of direct communication, a congestion degree of a road, and the like.
  • the user apparatus 200 enters a road where there is a small amount of traffic when 10 minutes have passed since the direct communication transmission when the traffic volume of the vehicles is reduced.
  • the terminal information may be notified in the case such as.
  • the user apparatus 200 which transmits terminal information to the base station apparatus 100 may be selected based on a specific condition. For example, when the user device 200 exists in a specific area, when operating in a specific time zone, when it is a specific vehicle type, when the traffic volume of a passing road is a predetermined traffic volume, etc. , May be selected as the user apparatus 200 that transmits terminal information. In addition, for example, when the user device 200 travels in the vicinity of an intersection, when operating in the morning and evening commuting time zone where it is assumed that the traffic volume is relatively large, and when it is a large car, terminal information May be selected as the user apparatus 200 that transmits the
  • the condition that the user device 200 notifies terminal information such as a specific area, a specific time zone, a predetermined time after transmission of direct communication, the congestion degree of a road, or the content of the terminal information notified from the user device 200 May be preset or managed and instructed by a network.
  • the user apparatus 200 which transmits the notification timing of terminal information or terminal information may be preset, and may be managed and instructed by a network.
  • the terminal information is transmitted to the base station You may With this configuration, the user apparatus 200 can notify the base station apparatus 100 of terminal information from the user apparatus 200 according to the position information, the time zone, or the traffic volume.
  • the predetermined area may be a vicinity of an intersection or a predetermined area in which accidents frequently occur
  • the predetermined time zone may be a time zone in which the traffic volume is relatively large.
  • FIG. 8 is a diagram for explaining a sequence (1) for controlling direct communication in the embodiment of the present invention.
  • the notification of the communication scheme from the base station apparatus 100 to the user apparatus 200 shown in FIG. 8 is transmitted to control the communication scheme of the user apparatus 200 based on a database on the network.
  • step S21 the base station apparatus 100 notifies the user apparatus 200A that transmits direct communication of the communication scheme. Subsequently, the user apparatus 200A applies the communication method instructed to the network (S22).
  • Step S21 may be performed when the user apparatus 200A exists in a specific area.
  • the network may designate side link communication, that is, direct communication as a communication method to the user apparatus 200A existing on an expressway where direct communication is assumed to be a line-of-sight environment, or exists near an intersection.
  • side link communication that is, direct communication as a communication method to the user apparatus 200A existing on an expressway where direct communication is assumed to be a line-of-sight environment, or exists near an intersection.
  • UL / DL communication that is, communication via a base station may be specified as the communication method to the user apparatus 200A.
  • FIG. 9 is a diagram for describing a sequence (2) for controlling direct communication in the embodiment of the present invention.
  • the notification of terminal information from the user apparatus 200 to the base station apparatus 100 shown in FIG. 9 is transmitted to control the communication scheme of the user apparatus 200 based on a database on the network.
  • step S31 the user apparatus 200A notifies the base station apparatus 100 of geographical information. Subsequently, the base station apparatus 100 determines a communication scheme based on the notified geographical information (S32).
  • step S33 the base station apparatus 100 notifies the user apparatus 200A of the determined communication scheme. Subsequently, the user apparatus 200A applies the communication method instructed to the network (S34).
  • FIG. 10 is a diagram for explaining a sequence (3) for controlling direct communication in the embodiment of the present invention.
  • the notification of terminal information from the user apparatus 200 to the base station apparatus 100 shown in FIG. 10 is transmitted to control the communication scheme of the user apparatus 200 based on the database on the network.
  • step S41 the base station apparatus 100 requests geographical information from the user apparatus 200A in the coverage. Subsequently, the user apparatus 200A notifies the base station apparatus 100 of geographical information (S42). Subsequently, the base station apparatus 100 determines a communication scheme based on the notified geographical information (S43).
  • step S44 the base station apparatus 100 notifies the user apparatus 200A of the determined communication scheme. Subsequently, the user apparatus 200A applies the communication method instructed to the network (S45).
  • the user apparatus 200 can transmit the transmitting UE ID, the transmitting UE and the receiving UE location information in direct communication, the packet ID, the packet transmission / reception time, the receiving UE car type, RSSI, RSRP, BLER By notifying the base station apparatus 100, it is possible to cause the network to build or update the database. Also, the user apparatus 200 can improve communication quality by receiving from the base station apparatus 100 a notification of a parameter change instruction relating to direct communication or an instruction to switch to communication via a base station.
  • the communication quality in D2D deteriorates, the communication quality can be improved.
  • the base station apparatus 100 and the user apparatus 200 include functions to implement the above-described embodiment. However, each of the base station apparatus 100 and the user apparatus 200 may have only some of the functions in the embodiments.
  • FIG. 11 is a diagram showing 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 notification information processing unit 140.
  • the functional configuration shown in FIG. 11 is merely an example. As long as the operation according to the embodiment of the present invention can be performed, the names of the function divisions and the function parts may be arbitrary.
  • 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 receiving 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.
  • the transmission unit 110 has a function of transmitting NR-PSS, NR-SSS, NR-PBCH, DL / UL control signal and the like to the user apparatus 200. Also, for example, the transmitting unit 110 transmits a random access response to the user apparatus 200, and the receiving unit 120 receives a random access preamble from the user apparatus 200.
  • the setting information management unit 130 stores setting information set in advance and various setting information to be transmitted to the user device 200.
  • the content of the setting information is, for example, information related to transmission / reception parameters of D2D communication.
  • the notification information processing unit 140 performs the processing related to the communication setting in the user device 200 based on the information notified from the user device 200 described in the embodiment.
  • FIG. 12 is a diagram showing an example of a functional configuration of the user apparatus 200.
  • the user device 200 includes a transmission unit 210, a reception unit 220, a setting information management unit 230, and a notification information generation unit 240.
  • the functional configuration shown in FIG. 12 is merely an example. As long as the operation according to the embodiment of the present invention can be performed, the names of the function divisions and the function parts may be arbitrary.
  • the transmission unit 210 creates a transmission signal from transmission data, and wirelessly transmits the transmission signal.
  • 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 signal and the like transmitted from the base station apparatus 100.
  • the transmitting unit 210 transmits to another user apparatus 200 a Physical Sidelink Control Channel (PSCCH), a Physical Sidelink Shared Channel (PSSCH), a Physical Sidelink Discovery Channel (PSDCH), and a Physical Sidelink Broadcast Channel (PSBCH).
  • PSCH Physical Sidelink Control Channel
  • PSSCH Physical Sidelink Shared Channel
  • PSDCH Physical Sidelink Discovery Channel
  • PSBCH Physical Sidelink Broadcast Channel
  • Etc. and the receiving unit 120 receives PSCCH, PSSCH, PSDCH, PSBCH, etc. from another user apparatus 200.
  • 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 notification information generation unit 240 generates the information to be notified from the user apparatus 200 to the base station apparatus 100 described in the embodiment.
  • the functional unit related to signal transmission in the notification information generation unit 240 may be included in the transmission unit 210, and the functional unit related to signal reception in the notification information generation unit 240 may be included in the reception unit 220.
  • each functional block may be realized by one device physically and / or logically connected to a plurality of elements, or directly and two or more physically and / or logically separated devices. And / or indirectly (for example, wired and / or wirelessly) connected, and may be realized by the plurality of devices.
  • both the base station apparatus 100 and the user apparatus 200 in the embodiment of the present invention may function as a computer that performs the process according to the embodiment of the present invention.
  • FIG. 13 is a diagram showing an example of a hardware configuration of a wireless communication apparatus which is the base station apparatus 100 or the user apparatus 200 according to the embodiment of the present invention.
  • the above-described base station apparatus 100 and user apparatus 200 physically are each 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 "device” 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 more of the devices indicated by 1001 to 1006 shown in the figure, or may be configured without including some devices. It may be done.
  • Each function in base station apparatus 100 and user apparatus 200 causes processor 1001 to perform an operation by reading predetermined software (program) on hardware such as processor 1001, storage apparatus 1002, etc. 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 operates, for example, an operating system to control the entire computer.
  • the processor 1001 may be configured by a central processing unit (CPU: Central Processing Unit) including an interface with a peripheral device, a control device, an arithmetic device, a register, and the like.
  • CPU Central Processing Unit
  • the processor 1001 reads a program (program code), a software module or data from the auxiliary storage device 1003 and / or the communication device 1004 to the storage device 1002, and executes various processing according to these.
  • a program a 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 notification information processing unit 140 of the base station apparatus 100 illustrated in FIG. 11 are stored in the storage device 1002 and realized by a control program operated by the processor 1001.
  • control unit 210 stores the transmission unit 210, the reception unit 220, the setting information management unit 230, and the notification information generation unit 240 of the user apparatus 200 illustrated in FIG. It may be realized by The various processes described above have been described to be executed by one processor 1001, but may be executed simultaneously or sequentially by two or more processors 1001.
  • the processor 1001 may be implemented by one or more chips.
  • the program may be transmitted from the network via a telecommunication line.
  • the storage device 1002 is a computer readable recording medium, and is, for example, at least one of a ROM (Read Only Memory), an EPROM (Erasable Programmable ROM), an EEPROM (Electrically Erasable Programmable ROM), and a RAM (Random Access Memory). 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 process according to an embodiment of the present invention.
  • the auxiliary storage device 1003 is a computer-readable recording medium, and for example, an optical disk such as a CD-ROM (Compact Disc ROM), a hard disk drive, a flexible disk, a magneto-optical disk (for example, a compact disk, a digital versatile disk, Blu-ray disc) -Ray (R) disk), smart card, flash memory (for example, card, stick, key drive), floppy (R) disk, magnetic strip and the like.
  • 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 appropriate media.
  • the communication device 1004 is hardware (transmission / reception device) for performing communication between computers via a wired and / or wireless network, and is also called, for example, 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 apparatus 100 may be realized by the communication apparatus 1004.
  • the transmission unit 210 and the reception unit 220 of the user apparatus 200 may be realized by the communication apparatus 1004.
  • the input device 1005 is an input device (for example, a keyboard, a mouse, a microphone, a switch, a button, a sensor, and the like) that receives 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 be integrated (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 by a single bus or may be configured by different buses among the devices.
  • the base station apparatus 100 and the user apparatus 200 respectively 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
  • Hardware, and part or all of each functional block may be realized by the hardware.
  • processor 1001 may be implemented in at least one of these hardware.
  • the second user apparatus that communicates with the first user apparatus and the network apparatus receives the wireless signal from the first user apparatus.
  • Terminal information including at least one of an identifier for identifying one user apparatus, information indicating a radio resource that has received the radio signal, and an identifier for identifying a packet received by the radio signal, and further the radio signal Terminal information that can include information indicating the reception status of the vehicle, information indicating the vehicle type of the second user device, or information indicating the reception time of the packet to the network device
  • the wireless that transmitted the wireless signal Terminal information including at least one of information indicating resources and an identifier
  • the user apparatus 200 can notify the network apparatus of the transmission side UE ID, the radio resource, the reception state, the reception side position information, the reception side vehicle type, the packet ID or the reception time of the packet.
  • direct communication control can be performed based on the information. That is, when the communication quality in D2D deteriorates, the communication quality can be improved.
  • the receiving unit may include a control unit that receives information on a communication scheme from the network device and changes the communication scheme based on the information on the communication scheme.
  • the user apparatus 200 can improve the communication quality by changing the communication scheme based on the communication scheme instructed from the network apparatus.
  • the information indicating the reception state of the wireless signal may include at least one of RSSI (Received Signal Strength Indicator), RSRP (Reference Signal Received Power) or BLER (Block Error Rate), and the information indicating the vehicle type is a large vehicle. , A small car or a two-wheeled vehicle.
  • the user device 200 can notify the network device of the details of the information indicating the RSSI, RSRP, BLER or vehicle type relating to the direct communication.
  • a report regarding a predetermined time or a predetermined area notified from the network device may be made.
  • the user apparatus 200 can make the resources required for the notification of information more efficient.
  • the user apparatus 200 can make the resources required for the notification of information more efficient.
  • a network apparatus for communicating with a first user apparatus and a second user apparatus, wherein the second user apparatus transmits a radio signal from the first user apparatus.
  • the second user apparatus transmits a radio signal from the first user apparatus.
  • it includes location information of the second user device, and an identifier for identifying the first user device, information indicating a radio resource for receiving the radio signal, or a packet received by the radio signal Terminal information including at least one of identifiers to be identified, and further including information indicating the reception state of the wireless signal, information indicating a vehicle type of the second user device, or information indicating a reception time of the packet Terminal information from the second user apparatus capable of transmitting the second information, and the second user apparatus transmits a radio signal to the first user apparatus; At least one of an identifier that includes position information of a user device and that identifies the second user device, information that indicates a radio resource that transmitted the wireless signal, or an identifier that identifies a packet that is transmitted by the wireless signal
  • a terminal unit information including the
  • the network apparatus relates to the communication system to the user apparatus 200 based on the transmission side UE ID, the radio resource, the reception state, the reception side position information, the reception side car type, the packet side or the packet reception time. Information can be notified, and direct communication control can be performed based on the information. That is, when the communication quality in D2D deteriorates, the communication quality can be improved.
  • the operations of multiple functional units may be physically performed by one component, or the operations of one functional unit may be physically performed by multiple components.
  • the order of processing may be changed as long as there is no contradiction.
  • the base station apparatus 100 and the user apparatus 200 are described using a functional block diagram for the convenience of the processing description, such an apparatus may be realized in 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, read 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.
  • RAM random access memory
  • ROM dedicated memory
  • EPROM EPROM
  • EEPROM electrically erasable programmable read-only memory
  • register hard disk
  • removable disk CD-ROM
  • database database
  • server server or any other suitable storage medium.
  • notification of information is not limited to the aspect / embodiment described herein, and may be performed by other methods.
  • notification of information may be physical layer signaling (for example, Downlink Control Information (DCI), Uplink Control Information (UCI)), upper layer signaling (for example, Radio Resource Control (RRC) signaling, Medium Access Control (MAC) signaling, It may be implemented by broadcast information (MIB (Master Information Block), SIB (System Information Block), other signals, or a combination thereof.
  • RRC signaling may be called an RRC message, for example, RRC It may be a connection setup (RRC Connection Setup) message, an RRC connection reconfiguration (RRC Connection Reconfiguration) message, or the like.
  • Each aspect / embodiment described in the present specification is LTE (Long Term Evolution), LTE-A (LTE-Advanced), SUPER 3G, IMT-Advanced, 4G, 5G, FRA (Future Radio Access), W-CDMA (Registered trademark), GSM (registered trademark), CDMA2000, UMB (Ultra Mobile Broadband), IEEE 802.11 (Wi-Fi), IEEE 802.16 (WiMAX), IEEE 802.20, UWB (Ultra-Wide Band),
  • the present invention may be applied to a system utilizing Bluetooth (registered trademark), other appropriate systems, and / or an advanced next-generation system based on these.
  • the specific operation to be performed by the base station apparatus 100 in this specification may be performed by a network apparatus such as its upper node or server.
  • a network consisting of one or more network nodes having the base station apparatus 100
  • various operations performed for communication with the user apparatus 200 may be performed other than the base station apparatus 100 and / or the base station apparatus 100. It will be appreciated that it may be performed by other network nodes (e.g., but not limited to, MME or S-GW etc).
  • MME Mobility Management Entity
  • the user equipment 200 may be a subscriber station, a mobile unit, a subscriber unit, a wireless unit, a remote unit, a mobile device, a wireless device, a wireless communication device, a remote device, a mobile subscriber station, an access terminal, a mobile terminal, by those skilled in the art. It may also be called a wireless terminal, a remote terminal, a handset, a user agent, a mobile client, a client, or some other suitable term.
  • Base station apparatus 100 may also be referred to by those skilled in the art with NB (Node B), eNB (evolved Node B), gNB, Base Station, or some other suitable term.
  • NB Node B
  • eNB evolved Node B
  • gNB Base Station
  • determining may encompass a wide variety of operations.
  • “Judgment”, “decision” are, for example, judging, calculating, calculating, processing, processing, deriving, investigating, looking up (for example, a table) (Searching in a database or another data structure), ascertaining may be regarded as “decision”, “decision” and the like.
  • “determination” and “determination” are receiving (e.g. receiving information), transmitting (e.g. transmitting information), input (input), output (output), access (Accessing) (for example, accessing data in a memory) may be regarded as “judged” or “decided”.
  • the phrase “based on” does not mean “based only on,” unless expressly stated otherwise. In other words, the phrase “based on” means both “based only on” and “based at least on.”
  • base station apparatus 100 is an example of a network apparatus.
  • the notification information generation unit 240 is an example of a notification unit or a control unit.
  • the notification information processing unit 140 is an example of a processing unit.
  • the UE ID is an example of an identifier for identifying the user apparatus 200.

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

Abstract

L'invention concerne un équipement d'utilisateur comprenant une unité de notification qui, lorsqu'un signal sans fil a été reçu d'un autre équipement d'utilisateur, transmet, à un dispositif de réseau, des informations de terminal qui peuvent comprendre des informations d'emplacement sur l'équipement d'utilisateur et au moins un élément parmi un identifiant pour identifier l'autre équipement d'utilisateur, des informations pour indiquer une ressource sans fil reçue ou un identifiant pour identifier un paquet reçu et qui peut en outre comprendre des informations pour indiquer un état de réception, des informations pour indiquer un type de véhicule de l'équipement d'utilisateur ou des informations pour indiquer le temps de réception du paquet. De plus, lorsqu'un signal sans fil a été transmis à l'autre équipement d'utilisateur, l'unité de notification transmet, au dispositif de réseau, des informations de terminal qui peuvent comprendre des informations d'emplacement sur l'équipement d'utilisateur et au moins un élément parmi un identifiant pour identifier l'équipement d'utilisateur, des informations pour indiquer une ressource sans fil transmise ou un identifiant pour identifier un paquet transmis et qui peut en outre comprendre des informations pour indiquer un temps de transmission du paquet.
PCT/JP2019/000097 2018-01-10 2019-01-07 Équipement d'utilisateur et dispositif de réseau WO2019138973A1 (fr)

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JP2018-002258 2018-01-10
JP2018002258A JP2021057622A (ja) 2018-01-10 2018-01-10 ユーザ装置及びネットワーク装置

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WO2021189186A1 (fr) * 2020-03-23 2021-09-30 Oppo广东移动通信有限公司 Procédé de commande de communication et son dispositif associé
JP2022544953A (ja) * 2019-08-14 2022-10-24 フラウンホファー ゲセルシャフト ツール フェールデルンク ダー アンゲヴァンテン フォルシュンク エー．ファオ． 少なくとも１つの通信サービスに条件付きで参加するためのトランシーバ

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CN107438258A (zh) * 2017-06-05 2017-12-05 北京邮电大学深圳研究院 一种基于用户移动性管理的通信模式切换方法及装置

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2022544953A (ja) * 2019-08-14 2022-10-24 フラウンホファー ゲセルシャフト ツール フェールデルンク ダー アンゲヴァンテン フォルシュンク エー．ファオ． 少なくとも１つの通信サービスに条件付きで参加するためのトランシーバ
WO2021189186A1 (fr) * 2020-03-23 2021-09-30 Oppo广东移动通信有限公司 Procédé de commande de communication et son dispositif associé

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