WO2017034324A1 - 무선 통신 시스템에서 단말의 v2x 신호의 송수신 방법 및 상기 방법을 이용하는 단말 - Google Patents
무선 통신 시스템에서 단말의 v2x 신호의 송수신 방법 및 상기 방법을 이용하는 단말 Download PDFInfo
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- WO2017034324A1 WO2017034324A1 PCT/KR2016/009398 KR2016009398W WO2017034324A1 WO 2017034324 A1 WO2017034324 A1 WO 2017034324A1 KR 2016009398 W KR2016009398 W KR 2016009398W WO 2017034324 A1 WO2017034324 A1 WO 2017034324A1
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/04—Wireless resource allocation
- H04W72/044—Wireless resource allocation based on the type of the allocated resource
- H04W72/0453—Resources in frequency domain, e.g. a carrier in FDMA
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/50—Allocation or scheduling criteria for wireless resources
- H04W72/51—Allocation or scheduling criteria for wireless resources based on terminal or device properties
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L5/00—Arrangements affording multiple use of the transmission path
- H04L5/003—Arrangements for allocating sub-channels of the transmission path
- H04L5/0058—Allocation criteria
- H04L5/0069—Allocation based on distance or geographical location
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L5/00—Arrangements affording multiple use of the transmission path
- H04L5/0091—Signaling for the administration of the divided path
- H04L5/0094—Indication of how sub-channels of the path are allocated
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W28/00—Network traffic management; Network resource management
- H04W28/02—Traffic management, e.g. flow control or congestion control
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- 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]
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/04—Wireless resource allocation
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/12—Wireless traffic scheduling
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/50—Allocation or scheduling criteria for wireless resources
- H04W72/56—Allocation or scheduling criteria for wireless resources based on priority criteria
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L5/00—Arrangements affording multiple use of the transmission path
- H04L5/0001—Arrangements for dividing the transmission path
- H04L5/0003—Two-dimensional division
- H04L5/0005—Time-frequency
- H04L5/0007—Time-frequency the frequencies being orthogonal, e.g. OFDM(A), DMT
Definitions
- the present invention relates to wireless communication, and more particularly, to a V2X signal transmission and reception method of a terminal in a wireless communication system and a terminal using the method.
- ITU-R International Telecommunication Union Radio communication sector
- IP Internet Protocol
- 3rd Generation Partnership Project is a system standard that meets the requirements of IMT-Advanced.
- Long Term Evolution is based on Orthogonal Frequency Division Multiple Access (OFDMA) / Single Carrier-Frequency Division Multiple Access (SC-FDMA) transmission.
- OFDMA Orthogonal Frequency Division Multiple Access
- SC-FDMA Single Carrier-Frequency Division Multiple Access
- LTE-A LTE-Advanced
- LTE-A is one of the potential candidates for IMT-Advanced.
- D2D Device-to-Device
- D2D is drawing attention as a communication technology for a public safety network.
- Commercial communication networks are rapidly changing to LTE, but current public safety networks are mainly based on 2G technology in terms of cost and conflict with existing communication standards. This gap in technology and the need for improved services have led to efforts to improve public safety networks.
- Public safety networks have higher service requirements (reliability and security) than commercial communication networks, and require direct signal transmission and reception, or D2D operation, between devices, especially when cellular coverage is not available or available. .
- the D2D operation may have various advantages in that it transmits and receives signals between adjacent devices.
- the D2D user equipment has a high data rate and low delay and can perform data communication.
- the D2D operation may distribute traffic congested at the base station, and may also serve to extend the coverage of the base station if the D2D terminal serves as a relay.
- V2X vehicle-to-everything
- V2X collectively refers to communication technology via the vehicle and all interfaces. Implementations of V2X may vary, for example, from vehicle-to-vehicle (V2V), vehicle-to-infrastructure (V2I), vehicle-to-person (V2P), vehicle-to-network (V2N), and the like.
- Such V2X communication may be performed in a single carrier, but may be performed in a plurality of carriers.
- a plurality of carriers different from each other in adjacent areas may be configured for V2X communication.
- the UE performs V2X communication in the first area and enters the second area, since the set carrier is changed, a transmission chain or reception chain of a signal is transmitted to transmit and receive a signal on the corresponding carrier. You may need to switch. Switching the signal transmission / reception chain (or carrier switching) takes a certain amount of time, which can cause problems in the continuity of V2X communications.
- the technical problem to be solved by the present invention is to provide a method of transmitting and receiving a V2X signal of a terminal in a wireless communication system and a terminal using the method.
- a method of transmitting and receiving a vehicle-to-everything (V2X) signal of a terminal in a wireless communication system transmits and receives a V2X control signal through a first carrier set in common in a first region and a second region, and transmits V2X data through a second carrier set in the first region or a third carrier set in the second region. Characterized in that the transmission and reception.
- V2X vehicle-to-everything
- the first area and the second area may be adjacent to different geographic areas.
- the first carrier may be a carrier file configured to allow transmission and reception of V2X control signals and transmission and reception of V2X data.
- Each of the second carrier and the third carrier may be a carrier file configured to allow only transmission and reception of V2X data.
- the terminal may be a terminal located at a boundary between the first area and the second area.
- the terminal may be a terminal of limited capability having a smaller number of transmit chains or receive chains than the number of carriers set in the first region and the second region.
- the V2X signal may be transmitted through the third carrier.
- the terminal When the terminal receives a message for setting to receive V2X signals simultaneously through the first carrier and the third carrier, after receiving the V2X signal through the first carrier, and changes the reception chain, The V2X signal may be received through the third carrier.
- the terminal may further receive a message instructing another carrier to perform a V2X signal transmission operation.
- the terminal Upon receipt of the message, the terminal can perform a V2X signal transmission operation on the other carrier.
- the carrier may receive the higher priority V2X signal.
- a terminal for transmitting and receiving a vehicle-to-everything (V2X) signal includes a radio frequency (RF) unit for transmitting and receiving a radio signal and a processor operating in combination with the RF unit, wherein the processor includes: Transmitting / receiving V2X control signals through a first carrier set in common in a first area and a second area, and transmitting and receiving V2X data through a second carrier set in the first area or a third carrier set in the second area.
- RF radio frequency
- V2X communication Since carriers capable of transmitting and receiving V2X control signals in two adjacent areas are shared and carriers capable of transmitting and receiving V2X data are independently set, the continuity of V2X communication may be guaranteed even if the UE moves in the two areas. Can be. In addition, since the carrier of the second region may be used instead of the carrier of the first region where the degree of congestion or collision occurs, the performance of V2X communication may be improved.
- 1 shows a wireless communication system.
- FIG. 2 is a block diagram illustrating a radio protocol architecture for a user plane.
- FIG. 3 is a block diagram illustrating a radio protocol structure for a control plane.
- 5 shows examples of arrangement of terminals and cell coverage that perform a D2D operation.
- FIG. 7 shows a V2X signal transmission and reception method of a terminal according to an embodiment of the present invention.
- FIG. 9 shows a V2X signal transmission and reception method of a terminal according to another embodiment of the present invention.
- FIG. 10 illustrates a method of operation when a V2X entity with limited capability receives a message for setting up to transmit and receive signals simultaneously on different carriers.
- FIG. 11 is a diagram comparing the operation of a limited capacity V2X entity with the operation of a V2X entity with multi-carrier transmit (/ receive) capability.
- FIG. 13 illustrates the resources by which the V2X entity of limited capability transmits a signal, according to the method of FIG. 12.
- FIG. 14 illustrates a method of operation of a V2X entity with limited reception capability.
- FIG. 15 illustrates a method of operation of a limited reception capability V2X entity when applying the method of FIG. 14.
- 16 is a block diagram illustrating a terminal in which an embodiment of the present invention is implemented.
- 1 shows a wireless communication system.
- the wireless communication system may be called, for example, an Evolved-UMTS Terrestrial Radio Access Network (E-UTRAN), or a Long Term Evolution (LTE) / LTE-A system.
- E-UTRAN Evolved-UMTS Terrestrial Radio Access Network
- LTE Long Term Evolution
- the E-UTRAN includes a base station (BS) 20 that provides a control plane and a user plane to a user equipment (UE).
- the terminal 10 may be fixed or mobile and may be called by other terms such as a mobile station (MS), a user terminal (UT), a subscriber station (SS), a mobile terminal (MT), a wireless device (Wireless Device), and the like.
- the base station 20 refers to a fixed station communicating with the terminal 10, and may be referred to by other terms such as an evolved-NodeB (eNB), a base transceiver system (BTS), an access point, and the like.
- eNB evolved-NodeB
- BTS base transceiver system
- access point and the like.
- the base stations 20 may be connected to each other through an X2 interface.
- the base station 20 is connected to a Serving Gateway (S-GW) through an MME (Mobility Management Entity) and an S1-U through an Evolved Packet Core (EPC) 30, more specifically, an S1-MME through an S1 interface.
- S-GW Serving Gateway
- MME Mobility Management Entity
- EPC Evolved Packet Core
- EPC 30 is composed of MME, S-GW and P-GW (Packet Data Network-Gateway).
- the MME has information about the access information of the terminal or the capability of the terminal, and this information is mainly used for mobility management of the terminal.
- S-GW is a gateway having an E-UTRAN as an endpoint
- P-GW is a gateway having a PDN as an endpoint.
- Layers of the Radio Interface Protocol between the terminal and the network are based on the lower three layers of the Open System Interconnection (OSI) reference model, which is widely known in communication systems.
- L2 second layer
- L3 third layer
- the RRC Radio Resource Control
- the RRC layer located in the third layer plays a role of controlling radio resources between the terminal and the network. To this end, the RRC layer exchanges an RRC message between the terminal and the base station.
- FIG. 2 is a block diagram showing a radio protocol architecture for a user plane
- FIG. 3 is a block diagram showing a radio protocol architecture for a control plane.
- the user plane is a protocol stack for user data transmission
- the control plane is a protocol stack for control signal transmission.
- a physical layer (PHY) layer provides an information transfer service to a higher layer using a physical channel.
- the physical layer is connected to a medium access control (MAC) layer, which is an upper layer, through a transport channel. Data is moved between the MAC layer and the physical layer through the transport channel. Transport channels are classified according to how and with what characteristics data is transmitted over the air interface.
- MAC medium access control
- the physical channel may be modulated by an orthogonal frequency division multiplexing (OFDM) scheme and utilizes time and frequency as radio resources.
- OFDM orthogonal frequency division multiplexing
- the functions of the MAC layer include mapping between logical channels and transport channels and multiplexing / demultiplexing into transport blocks provided as physical channels on transport channels of MAC service data units (SDUs) belonging to the logical channels.
- the MAC layer provides a service to a Radio Link Control (RLC) layer through a logical channel.
- RLC Radio Link Control
- RLC layer Functions of the RLC layer include concatenation, segmentation, and reassembly of RLC SDUs.
- QoS Quality of Service
- the RLC layer has a transparent mode (TM), an unacknowledged mode (UM), and an acknowledged mode (Acknowledged Mode).
- TM transparent mode
- UM unacknowledged mode
- Acknowledged Mode acknowledged mode
- AM Three modes of operation (AM).
- AM RLC provides error correction through an automatic repeat request (ARQ).
- the RRC (Radio Resource Control) layer is defined only in the control plane.
- the RRC layer is responsible for the control of logical channels, transport channels, and physical channels in connection with configuration, re-configuration, and release of radio bearers.
- RB means a logical path provided by the first layer (PHY layer) and the second layer (MAC layer, RLC layer, PDCP layer) for data transmission between the terminal and the network.
- PDCP Packet Data Convergence Protocol
- Functions of the Packet Data Convergence Protocol (PDCP) layer in the user plane include delivery of user data, header compression, and ciphering.
- the functionality of the Packet Data Convergence Protocol (PDCP) layer in the control plane includes the transfer of control plane data and encryption / integrity protection.
- the establishment of the RB means a process of defining characteristics of a radio protocol layer and a channel to provide a specific service, and setting each specific parameter and operation method.
- RB can be further divided into SRB (Signaling RB) and DRB (Data RB).
- SRB is used as a path for transmitting RRC messages in the control plane
- DRB is used as a path for transmitting user data in the user plane.
- the UE If an RRC connection is established between the RRC layer of the UE and the RRC layer of the E-UTRAN, the UE is in an RRC connected state, otherwise it is in an RRC idle state.
- the downlink transmission channel for transmitting data from the network to the UE includes a BCH (Broadcast Channel) for transmitting system information and a downlink shared channel (SCH) for transmitting user traffic or control messages.
- Traffic or control messages of a downlink multicast or broadcast service may be transmitted through a downlink SCH or may be transmitted through a separate downlink multicast channel (MCH).
- the uplink transport channel for transmitting data from the terminal to the network includes a random access channel (RACH) for transmitting an initial control message and an uplink shared channel (SCH) for transmitting user traffic or control messages.
- RACH random access channel
- SCH uplink shared channel
- BCCH broadcast control channel
- PCCH paging control channel
- CCCH common control channel
- MCCH multicast control channel
- MTCH multicast traffic
- the physical channel is composed of several OFDM symbols in the time domain and several sub-carriers in the frequency domain.
- One sub-frame consists of a plurality of OFDM symbols in the time domain.
- the RB is a resource allocation unit and includes a plurality of OFDM symbols and a plurality of subcarriers.
- each subframe may use specific subcarriers of specific OFDM symbols (eg, the first OFDM symbol) of the corresponding subframe for the physical downlink control channel (PDCCH), that is, the L1 / L2 control channel.
- Transmission Time Interval is a unit time of subframe transmission.
- the RRC state refers to whether or not the RRC layer of the UE is in a logical connection with the RRC layer of the E-UTRAN.
- RRC_IDLE Since the UE in the RRC connected state has an RRC connection, the E-UTRAN can grasp the existence of the corresponding UE in a cell unit, and thus can effectively control the UE.
- the UE of the RRC idle state cannot be understood by the E-UTRAN, and is managed by the CN (core network) in units of a tracking area, which is a larger area unit than the cell. That is, the UE in the RRC idle state is identified only in a large area unit, and must move to the RRC connected state in order to receive a normal mobile communication service such as voice or data.
- the terminal When the user first powers on the terminal, the terminal first searches for an appropriate cell and then stays in an RRC idle state in the cell.
- the UE in the RRC idle state needs to establish an RRC connection, it establishes an RRC connection with the E-UTRAN through an RRC connection procedure and transitions to the RRC connected state.
- RRC connection procedure There are several cases in which the UE in RRC idle state needs to establish an RRC connection. For example, an uplink data transmission is necessary due to a user's call attempt, or a paging message is sent from E-UTRAN. If received, a response message may be sent.
- the non-access stratum (NAS) layer located above the RRC layer performs functions such as session management and mobility management.
- EMM-REGISTERED EPS Mobility Management-REGISTERED
- EMM-DEREGISTERED EMM-DEREGISTERED
- the initial terminal is in the EMM-DEREGISTERED state, and the terminal performs a process of registering with the corresponding network through an initial attach procedure to access the network. If the attach procedure is successfully performed, the UE and the MME are in the EMM-REGISTERED state.
- an EPS Connection Management (ECM) -IDLE state In order to manage a signaling connection between the UE and the EPC, two states are defined, an EPS Connection Management (ECM) -IDLE state and an ECM-CONNECTED state, and these two states are applied to the UE and the MME.
- ECM EPS Connection Management
- ECM-IDLE state When the UE in the ECM-IDLE state establishes an RRC connection with the E-UTRAN, the UE is in the ECM-CONNECTED state.
- the MME in the ECM-IDLE state becomes the ECM-CONNECTED state when it establishes an S1 connection with the E-UTRAN.
- the E-UTRAN does not have context information of the terminal.
- the UE in the ECM-IDLE state performs a terminal-based mobility related procedure such as cell selection or cell reselection without receiving a command from the network.
- a terminal-based mobility related procedure such as cell selection or cell reselection without receiving a command from the network.
- the terminal when the terminal is in the ECM-CONNECTED state, the mobility of the terminal is managed by the command of the network.
- the terminal In the ECM-IDLE state, if the position of the terminal is different from the position known by the network, the terminal informs the network of the corresponding position of the terminal through a tracking area update procedure.
- ProSe proximity based services
- ProSe includes ProSe direct communication and ProSe direct discovery.
- ProSe direct communication refers to communication performed between two or more neighboring terminals.
- the terminals may perform communication using a user plane protocol.
- ProSe-enabled UE refers to a terminal that supports a procedure related to the requirements of ProSe.
- ProSe capable terminals include both public safety UEs and non-public safety UEs.
- the public safety terminal is a terminal that supports both a public safety-specific function and a ProSe process.
- a non-public safety terminal is a terminal that supports a ProSe process but does not support a function specific to public safety.
- ProSe direct discovery is a process for ProSe capable terminals to discover other ProSe capable terminals that are adjacent to each other, using only the capabilities of the two ProSe capable terminals.
- EPC-level ProSe discovery refers to a process in which an EPC determines whether two ProSe capable terminals are in proximity and informs the two ProSe capable terminals of their proximity.
- ProSe direct communication may be referred to as D2D communication
- ProSe direct discovery may be referred to as D2D discovery.
- a reference structure for ProSe includes a plurality of terminals including an E-UTRAN, an EPC, a ProSe application program, a ProSe application server, and a ProSe function.
- EPC represents the E-UTRAN core network structure.
- the EPC may include MME, S-GW, P-GW, policy and charging rules function (PCRF), home subscriber server (HSS), and the like.
- PCRF policy and charging rules function
- HSS home subscriber server
- ProSe application server is a user of ProSe ability to create application functions.
- the ProSe application server may communicate with an application program in the terminal.
- An application program in the terminal may use the ProSe capability to create a coagulation function.
- the ProSe function may include at least one of the following, but is not necessarily limited thereto.
- PC1 This is a reference point between a ProSe application in a terminal and a ProSe application in a ProSe application server. This is used to define signaling requirements at the application level.
- PC2 Reference point between ProSe application server and ProSe function. This is used to define the interaction between the ProSe application server and ProSe functionality. An application data update of the ProSe database of the ProSe function may be an example of the interaction.
- PC3 Reference point between the terminal and the ProSe function. Used to define the interaction between the UE and the ProSe function.
- the setting for ProSe discovery and communication may be an example of the interaction.
- PC4 Reference point between the EPC and ProSe functions. It is used to define the interaction between the EPC and ProSe functions. The interaction may exemplify when establishing a path for 1: 1 communication between terminals, or when authenticating a ProSe service for real time session management or mobility management.
- PC5 Reference point for using the control / user plane for discovery and communication, relay, and 1: 1 communication between terminals.
- PC6 Reference point for using features such as ProSe discovery among users belonging to different PLMNs.
- SGi can be used for application data and application level control information exchange.
- the D2D operation may be supported in both the case where the UE receives service within the coverage of the network (cell) or the case out of the coverage of the network.
- 5 shows examples of arrangement of terminals and cell coverage that perform a D2D operation.
- terminals A and B may be located outside cell coverage.
- UE A may be located within cell coverage and UE B may be located outside cell coverage.
- UEs A and B may both be located within a single cell coverage.
- UE A may be located within the coverage of the first cell and UE B may be located within the coverage of the second cell.
- the D2D operation may be performed between terminals located at various locations as shown in FIG. 5.
- Resource allocation for D2D communication may use at least one of the following two modes.
- Mode 1 is a mode for scheduling resources for ProSe direct communication from a base station.
- the UE In order to transmit data in mode 1, the UE must be in an RRC_CONNECTED state.
- the terminal requests the base station for transmission resources, and the base station schedules resources for scheduling allocation and data transmission.
- the terminal may transmit a scheduling request to the base station and may transmit a ProSe BSR (Buffer Status Report). Based on the ProSe BSR, the base station determines that the terminal has data for ProSe direct communication and needs resources for this transmission.
- ProSe BSR Buffer Status Report
- Mode 2 is a mode in which the terminal directly selects a resource.
- the terminal selects a resource for direct ProSe direct communication from a resource pool.
- the resource pool may be set or predetermined by the network.
- the terminal when the terminal has a serving cell, that is, the terminal is in the RRC_CONNECTED state with the base station or located in a specific cell in the RRC_IDLE state, the terminal is considered to be within the coverage of the base station.
- mode 2 may be applied. If the terminal is in coverage, mode 1 or mode 2 may be used depending on the configuration of the base station.
- the terminal may change the mode from mode 1 to mode 2 or from mode 2 to mode 1 only when the base station is configured.
- D2D discovery refers to a procedure used by a ProSe capable terminal to discover other ProSe capable terminals in proximity, and may also be referred to as ProSe direct discovery.
- Information used for ProSe direct discovery is referred to as discovery information hereinafter.
- the PC 5 interface can be used for D2D discovery.
- the PC 5 interface consists of the MAC layer, the PHY layer, and the higher layer, ProSe Protocol layer.
- the upper layer (ProSe Protocol) deals with the announcement of discovery information and permission for monitoring, and the content of discovery information is transparent to the access stratum (AS). )Do.
- the ProSe Protocol ensures that only valid discovery information is sent to the AS for the announcement.
- the MAC layer receives discovery information from a higher layer (ProSe Protocol).
- the IP layer is not used for sending discovery information.
- the MAC layer determines the resources used to announce the discovery information received from the upper layer.
- the MAC layer creates a MAC protocol data unit (PDU) that carries discovery information and sends it to the physical layer. The MAC header is not added.
- PDU MAC protocol data unit
- the base station provides the UEs with a resource pool configuration for discovery information announcement.
- This configuration may be included in a system information block (SIB) and signaled in a broadcast manner.
- SIB system information block
- the configuration may be provided included in a terminal specific RRC message.
- the configuration may be broadcast signaling or terminal specific signaling of another layer besides the RRC message.
- the terminal selects a resource from the indicated resource pool by itself and announces the discovery information using the selected resource.
- the terminal may announce the discovery information through a randomly selected resource during each discovery period.
- the UE in the RRC_CONNECTED state may request a resource for discovery signal announcement from the base station through the RRC signal.
- the base station may allocate resources for discovery signal announcement with the RRC signal.
- the UE may be allocated a resource for monitoring the discovery signal within the configured resource pool.
- the base station 1) may inform the SIB of the type 1 resource pool for discovery signal announcement.
- ProSe direct UEs are allowed to use the Type 1 resource pool for discovery information announcement in the RRC_IDLE state.
- the base station may indicate that the base station supports ProSe direct discovery through 2) SIB, but may not provide a resource for discovery information announcement. In this case, the terminal must enter the RRC_CONNECTED state for the discovery information announcement.
- the base station may set whether the terminal uses a type 1 resource pool or type 2 resource for discovery information announcement through an RRC signal.
- V2X VEHICLE-TO-EVERYTHIHG
- the plurality of carriers may be preset or signaled to a terminal.
- V2X may apply the above-described D2D operation in terms of communication between terminals.
- V2X may mean a pedestrian.
- V2X may be expressed as V2P, and may mean communication between a vehicle (or a device installed in the vehicle) and a device possessed by a pedestrian.
- the pedestrian is not necessarily limited to a person walking on foot, and may include a person riding a bicycle, a driver or a passenger (less than a certain speed) of a vehicle.
- V2X may be denoted as V2V, and may mean communication between vehicles.
- 'X' may be infrastructure / network.
- V2X may be referred to as V2I or V2N and may mean communication between a vehicle and a roadside unit (RSU) or a vehicle and a network.
- the roadside device may be a traffic related infrastructure, for example, a device for indicating speed.
- the roadside device may be implemented in a base station or a fixed terminal.
- a V2P communication related device possessed by a pedestrian (or person) is called a 'P-UE'
- a V2X communication related device installed in a vehicle is called a 'V-UE'
- the term 'ENTITY' may be interpreted as at least one of P-UE, V-UE, RSU, network, and infrastructure.
- 'carrier / cell' may be interpreted as a 'resource pool' which is previously set or signaled for V2X control / data message transmission (TX) and / or reception (RX).
- V2X control by predefined or signaled 'regions' to mitigate the decrease in reliability associated with V2X control / data message reception / transmission due to V2X control / COLLISION / CONGESTION, etc.
- Carriers / cells related to data message transmission / reception may be set differently.
- the term 'area' may be interpreted as at least one of (1) a geographically divided area and (2) an area divided by communication coverage of a V2V entity (for example, a base station (or terminal) type RSU).
- a V2V entity for example, a base station (or terminal) type RSU.
- region #A region #A
- region #B region #A and B are adjacent to each other.
- the carrier / cell related to V2X control / data message transmission / reception for each region may be set as follows.
- the carrier / cell related to V2X control / data message transmission / reception is the primary carrier (/ cell) #A (denoted as P-carrier (/ cell) #A), the secondary carrier (/ cell) #B, (S-carrier) Suppose a situation is composed of (/ cell) #B), secondary carrier (/ cell) #C, and secondary carrier (/ cell) #D.
- P-carrier (/ cell) #A may be commonly set for V2X control / data message transmission / reception in areas #A and areas #B which are adjacent areas.
- S-carrier (/ cell) #B and S-carrier (/ cell) #C may be independently set for V2X data / control message transmission / reception in areas #A and #B. This may be interpreted as some carriers / cells related to V2X control / data message transmission / reception between different (or adjacent) areas are set independently (or differently).
- both 'V2X control message transmission / reception' and 'V2X data message transmission / reception' are set to allow, and S-carrier (/ cell) #B and S-carrier (/ On the cell) #C, only 'V2X data message transmission / reception' may be set to be allowed.
- the V2X control message transmitted or received on the P-carrier (/ cell) may be in the form of informing scheduling information about the V2X data message transmitted / received on the S-carrier (/ cell).
- P-carrier #A and S-carrier #B may be set in region #A.
- P-carrier #A and S-carrier #C may be set in the area #B.
- the transmission and reception of the V2X control signal and the V2X data are allowed through the P-carrier #A, and the transmission and reception of the V2X data is allowed through the S-carrier #B and the S-carrier #C.
- P-carrier #A, S-carrier #B, S-carrier #C may be carriers of different bands. In FIG. 6, only the carrier is indicated for convenience, but the carrier may also be displayed as a cell.
- FIG. 7 shows a V2X signal transmission and reception method of a terminal according to an embodiment of the present invention.
- the terminal transmits and receives a V2X control signal (and / or V2X data) through a first carrier set in common in the first region and the second region (S110).
- the terminal transmits and receives V2X data through a second carrier set in the first region or a third carrier set in the second region (S120).
- the terminal transmits and receives a V2X control signal (and / or V2X data) through a carrier set in common to region #A and region #B, that is, P-carrier #A.
- V2X data can be transmitted and received through the S-carrier #B set in #A or the S-carrier #C set in the area #B.
- V2X entities such as V-UE, P-UE are 'periodically' or 'preferentially' P-carrier (/ cell) #A 'depending on a predefined or signaled period value'.
- V2X entities such as V-UE, P-UE are 'periodically' or 'preferentially' P-carrier (/ cell) #A 'depending on a predefined or signaled period value'.
- P-carrier (/ cell) #A area #A
- S-carrier (/ cell) #C area #B
- P-carrier (/ cell) #A area #A
- S-carrier (/ cell) #C area #B
- P-carrier #A and S-carrier #B may be set in region #A.
- S-carrier #C and S-carrier #D may be set in the area #B.
- the area #A is set to allow both the transmission and reception of the V2X control signal and the V2X data through the P-carrier #A, and the area #B transmits and receives the V2X control signal and the V2X data only through the S-carrier #C. All can be set to allow.
- the S-carrier #B and the S-carrier #D may be configured to allow only transmission and reception of V2X data.
- P-carrier #A, S-carrier #B, S-carrier #C, S-carrier #D may be carriers of different bands. In FIG. 8, only the carrier is indicated for convenience, but the carrier may also be displayed as a cell.
- a V2X entity such as V-UE and P-UE may be a carrier (/ cell) related to V2X control / data message reception / transmission of a region to which it belongs (eg, P-carrier (/ Cell) #A and / or S-carrier (/ cell) #B (area #A), S-carrier (/ cell) #C (and / or S-carrier (/ cell) #D) (area #B) ) Can be monitored 'periodically' or 'priority' according to a predefined or signaled period value P-carrier (/ cell) #A.
- a carrier (/ cell) #A related to V2X control / data message reception / transmission of a region to which it belongs (eg, P-carrier (/ Cell) #A and / or S-carrier (/ cell) #B (area #A), S-carrier (/ cell) #C (and / or S-carrier (/ cell) #D) (area #B)
- V2X control / data message transmission / reception carrier When a V2X transmitting entity is at the boundary of a different (or contiguous) region or when crossing a boundary of a different (or contiguous) region related to the (existing) region to which it belongs (V2X control / data message transmission / reception carrier ) May be configured to perform a V2X (control / data) message transmission operation on adjacent (or different) region related (V2X control / data message transmission / reception) carriers (/ cells).
- a V2X receiving entity may be configured to allow a V2X receiving entity to receive carriers (/ cells) associated with its area (V2X control / data message reception / transmission), as well as adjacent (or different) area-related (V2X control / data message reception /
- the carrier (/ cell) may also be configured to monitor 'periodically according to a predefined or signaled period value'.
- FIG. 9 shows a V2X signal transmission and reception method of a terminal according to another embodiment of the present invention.
- the terminal determines whether it is located at the boundary between the first area and the second area (S210).
- the terminal transmits and receives a V2X signal using a carrier set in another region other than the region to which the terminal belongs (S220).
- V2X control / data message transmission / reception related carriers / cells are all set independently (or differently) between different (or adjacent) areas, the V2X communication (s) related to different (or adjacent) areas ) Can be performed continuously or efficiently.
- a V2X entity e.g., V-UE, P-UE causes a V2X control / data message related to its area.
- Receive a relatively high-priority V2X control / data message (named 'HP_RXMSG') previously defined or signaled on the receiving carrier (/ cell) (or V2X control / data message transmission carrier associated with its area) If a relatively high priority V2X control / data message (named 'HP_TXMSG') is being sent on the cell), the adjacent (or different) region-related V2X control / data message receiving carrier (/ Receive (or transmit) a relatively low priority V2X control / data message (or a relatively low priority V2X control / data message) on a cell) (rather than HP_RXMSG (or HP_TXMSG)). (Or transmission) may be set not to perform the "receive chain switching (
- V2X receiving (/ transmitting) entities whose number of carriers / cells configured for V2X control / data message receiving (/ transmitting) is greater than their 'receive chain capability' (or 'transmit chain capability'). It may be set to.
- such an entity may be referred to as a 'limited capability V2X entity', more specifically, a 'limited reception capability V2X entity' or a 'limited transmission capability V2X entity'.
- V2X control (/ data) message of priority is being received (or transmitted)
- Do not perform message reception (or transmission) operation or 'RX chain switching' (or 'TX chain switching') operation to receive (or send) a relatively low priority V2X control (/ data) message). It can also be interpreted as not.
- V2X control (/ data) message is sent (/ received) related to the area (area #A) to which the 'limited transmit (/ receive) capability V2X entity' belongs.
- V2X control (/ data) messages (concurrent) not only on carrier (/ cell) but also on adjacent (or different) area (area #B) related V2X control (/ data) messages. If it is necessary to transmit (receive), it may be set to perform in the form of 'TDM' in consideration of the 'transmit (/ receive) chain switching time (or' carrier switching time ').
- FIG. 10 illustrates a method of operation when a V2X entity with limited capability receives a message for setting up to transmit and receive signals simultaneously on different carriers.
- a V2X entity having limited capability located in a first area receives a message for setting simultaneous transmission / reception of signals through a first carrier set in a first area and a second carrier set in a second area. It may be (S310).
- the V2X entity with limited capability performs transmission / reception chain switching after performing transmission / reception of signals on the first carrier set in the first region (S320).
- the V2X entity with limited capability performs signal transmission / reception on the second carrier set in the second region (S330).
- the V2X transmitting (/ receiving) entity with 'multi-V2X transmitting (/ receiving) carrier transmitting / receiving capability' belongs to the area (area # A) V2X control (/ data) related V2X control (/ data) messages as well as transmission (/ receive) carrier (/ cell) (named 'ORI_TXCC') as well as adjacent (or different) area (area #B) related V2X control (/ data) messages If a V2X control (/ data) message must be transmitted (/ received) even on a transmit (/ receive) carrier (/ cell) (named 'NEG_TXCC'), simultaneous transmission on ORI_TXCC and NEG_TXCC rather than 'TDM' It can be set to perform (/ receive).
- FIG. 11 is a diagram comparing the operation of a limited capacity V2X entity with the operation of a V2X entity with multi-carrier transmit (/ receive) capability.
- P-carrier (/ cell) #A and S-carrier (/ cell) #B related to V2X control (/ data) message transmission (/ reception) are set in area #A, and in area #B.
- S-carrier (/ cell) #C and S-carrier (/ cell) #D related to V2X control (/ data) message transmission (/ reception) may be set.
- the V2X entity with limited capability when receiving a message configured to simultaneously transmit V2X signals through a carrier (/ cell) in a region to which it belongs, and a carrier (/ cell) in another region, the V2X entity with limited capability operates in a TDM form.
- a V2X entity having carrier transmission (/ reception) capability may perform simultaneous transmission. That is, the limited capacity V2X entity transmits a signal in subframe # 2 of P-carrier (/ cell) #A and after carrier switching (assuming 1 ms, may be referred to as transmission chain switching), and then S-carrier (/ cell ) V2X signal is transmitted through subframe # 4 of #C.
- a V2X entity with multicarrier transmission (/ reception) capability transmits signals in subframe # 9 of P-carrier (/ cell) #A and at the same time subframe # 9 of S-carrier (/ cell) #C
- the V2X signal can be transmitted simultaneously. This operation is the same in terms of reception.
- the CONGEST_CC related 'congestion (/ load) level' the predefined (LTE) serving base station (or ITS (Internet Transaction Server) server or V2X function) may only use the V2X data (/ control) message transfer operation (for V2X data (/ control) message transfer). It may be instructed to move (/ switch) to another carrier (/ cell) that is set.
- LTE Long Term Evolution
- ITS Internet Transaction Server
- the carrier (/ cell) movement (/ switching) operation related to the V2X data (/ control) message transmission may be performed in advance after the V2X entity directly grasps the 'congestion (/ load) level' of the corresponding CONGEST_CC through an energy detection operation.
- a predefined or signaled carrier (/ cell) movement (/ switching) order when the identified 'congestion (/ load) level' is higher than the defined or signaled threshold it may be set to perform.
- 'V2X data message' transmission When only the operation of 'V2X data message' transmission is moved (/ switched) to another carrier (/ cell) (named 'DATASW_CC'), the control (/ scheduling) information is included in the 'V2X control message' transmitted on CONGEST_CC.
- a 'carrier (/ cell) indication field' indicating which carrier (/ cell) is associated with transmission of a 'V2X data message' may be included.
- the size of the 'Resource Allocation Field' of the 'V2X Control Message' transmitted on CONGEST_CC is one of the larger (or smaller) of 'System Bandwidth of CONGEST_CC' (V2X Communication) and 'System Bandwidth of DATASW_CC'. Can be set accordingly.
- P-UE (S) is a pre-defined indicator from the (LTE) serving base station (or RSU) of the area to which it belongs Receive V2X (control / data) messages related to the area to which they belong only when receiving (named 'NGMONI_INDI') Receive V2X (control / data) messages related to the carrier (/ cell) and / or adjacent (or different) areas Set up to perform V2X (control / data) message monitoring operation on the carrier (/ cell) (or periodically receive V2X (control / data) message related to the area to which it belongs according to a predefined or signaled period value And / or a V2X (data / data) message monitoring operation on an adjacent (or different) region-related V2X (control / data) message receiving carrier (/ cell).
- the predefined (LTE) serving base station or ITS server or V2X function
- V2X entity' V2X control / data
- V2X control / data the 'limited transmission capability V2X entity' (V2X control / data).
- V2X control / data In order to lower the 'congestion (/ load) level' (named 'HCG_CC') of a particular carrier (/ cell) set for message transmission purposes, only V2X data message transmission operations (in that HCG_CC) Control) may be directed to move (/ switch) to another carrier (/ cell) set for the purpose of message transmission.
- the carrier (/ cell) movement (/ switching) operation related to V2X data message transmission is a threshold that is previously defined or signaled after the V2X entity directly grasps the 'congestion (/ load) level' of the corresponding HCG_CC through an energy detection operation or the like. According to a predefined or signaled carrier (/ cell) movement (/ switching) order when the known 'congestion (/ load) level' is higher than the value, it may be set to perform.
- a message instructing to perform a V2X data message transmission operation from a serving base station through a carrier set in a region other than the region where the terminal is located may be received (S410).
- the terminal may perform transmission chain switching after transmitting the signal on the first carrier set in the first region (S420), and perform signal transmission on the second carrier set in the second region (S430).
- FIG. 13 illustrates the resources by which the V2X entity of limited capability transmits a signal, according to the method of FIG. 12.
- a V2X entity with limited transmission capability transmits a V2X signal in subframe # 2 of P-carrier (/ cell) #A, and then congestion / load of P-carrier (/ cell) #A from a serving cell.
- the S-carrier (/ cell) #B may be instructed to perform a V2X signal transmission operation.
- the indication may include a field indicating S-carrier (/ cell) #B.
- the V2X entity may transmit a V2X signal in subframes # 4, 5, and 6 of S-carrier (/ cell) #B after carrier switching (transmission chain switching).
- a V2X control message is transmitted in subframe # 2 of P-carrier (/ cell) #A
- the corresponding V2X control message is (A) in subframe # 2 of P-carrier (/ cell) #A ( V2X data message transmitted with V2X control message) and (B) V2X data message transmitted in subframe # 4, subframe # 5 and subframe # 6 of S-carrier (/ cell) #B. It may include scheduling information. It is assumed that the 'transmit / receive chain switching time' (or 'carrier switching time') is '1 ms'.
- a V2X entity without receiving capability for S-carrier (/ cell) #B indicates 'only V2X control messages and V2X data messages transmitted in subframe # 2 of P-carrier (/ cell) #A'.
- a V2X entity having a reception capability for S-carrier (/ cell) #B is not only a V2X control message and a V2X data message transmitted in subframe # 2 of P-carrier (/ cell) #A.
- a 'V2X control message transmitted in subframe # 4, subframe # 5, and subframe # 6 of S-carrier (/ cell) #B' may also be received. That is, V2X message reception performance can be improved compared to a V2X entity having no reception capability for S-carrier (/ cell) #B.
- a specific carrier e.g. P-carrier
- V2X entity' for use in receiving V2X control / data messages.
- another carrier e.g., set to receive V2X control / data messages
- S-carrier If you notice (/ detect) that another V2X entity (V2X ENTITY # B) of higher priority on (cell) #B) sends a V2X message, then you can perform 'receive chain switching (or' carrier switching ') operation.
- it may be set to receive a V2X message sent by another V2X entity (V2X ENTITY # B) of relatively high priority.
- a relatively high priority V2X entity may have a higher priority of a predefined or signaled V2X message (eg, an 'emergency notification message' has a higher priority than a 'location information transmission message'.
- Periodic event e.g. CAM
- 'event triggered message e.g. DENM
- It may be set as a relatively high priority V2X entity (eg, 'RSU' may have a higher priority than 'V-UE').
- the proposal methods are based on a specific carrier (/ cell) (e.g., configured for V2X control / data message reception purposes) when the proposal rules (e.g. Rule #A, Rule #B) are applied. ) While receiving a specific V2X message on P-carrier (/ cell) #A), another carrier (/ cell) (set for V2X control / data message reception) (example) S-carrier (/ cell) #B If it is detected (/ detected) that another V2X message of relatively high priority is transmitted, then perform a 'receive chain switching (or' carrier switching ') operation and then perform another relatively high priority V2X message. It may be extended to the receiving form.
- FIG. 14 illustrates a method of operation of a V2X entity with limited reception capability.
- a V2X entity (terminal) having limited reception capability may receive a V2X message on a first carrier (S510).
- the V2X entity (terminal) having limited reception capability may detect that another V2X entity transmits a V2X message of higher priority on the second carrier (S520). After the V2X entity switches the reception chain, the V2X entity receives a V2X message transmitted by the other V2X entity on the second carrier (S530).
- FIG. 15 illustrates a method of operation of a limited reception capability V2X entity when applying the method of FIG. 14.
- subframe # 2 sub of a specific P-carrier (/ cell) #A (limited for receiving V2X control / data message) is set to 'restricted reception capability V2X entity (let V2X entity #C)'. While receiving 'relatively low priority V2X entity #A related V2X (control / data) message' on frame # 3, another S-carrier (/ cell) # (set for V2X control / data message reception) # P-carrier (/ cell) # indicates that another V2X entity #B of relatively high priority transmits a V2X (control / data) message on subframe # 5, subframe # 6 and subframe # 7 of B.
- the V2X entity #B transmits a V2X (control (/ data)) message to receive it.
- V2X entity #C the limited receive capability V2X entity
- V2X entity #C performs the 'receive chain switching (or' carrier switching ') operation (' transmit (/ receive) chain switching time '(or' carrier switching time ') is' 1ms'.
- V2X data (control)
- V2X entity #C the V2X message actually received by the limited reception capability V2X entity (V2X entity #C) is divided into subframe # 2, subframe # 3 and S-carrier (/ cell) #B of P-carrier (/ cell) #A. Subframe # 5, subframe # 6, subframe # 7. In subframe # 4 of P-carrier (/ cell) #A, V2X (control / data) messages related to V2X entity #A are not received due to transmission chain switching.
- V2X entity #A if a V2X entity of 'limited reception capability' but has a plurality of (e.g. 2) receive chains, in the context of FIG. 15, one (dedicated) receive chain may be used to P-carrier (/ cell).
- V2X message transmitted by V2X entity #A by assigning to #A (P-carrier (/ cell) #A subframe # 2, subframe # 3, subframe # 4, subframe # 5), V2X entity #B Receives the V2X message (P-carrier (/ cell) #A subframe # 3) (continuously) and sends the other receive chain (via RX chain switching (or carrier switching)) to the S-carrier.
- V2X message S-carrier (/ cell) #B subframe transmitted by V2X entity #B by assigning to (/ cell) #B (or remaining carrier (/ cell) set for receiving V2X control (/ data) message)) # 5, subframe # 6, subframe # 7) may be received.
- examples of the proposed scheme described above may also be regarded as a kind of proposed schemes as they may be included as one of the implementation methods of the present invention.
- the above-described proposal schemes may be independently implemented, some proposal schemes may be implemented in combination (or merge).
- the present invention has been described a proposal method based on the 3GPP LTE / LTE-A system for convenience of description, the scope of the system to which the proposed method is applied can be extended to other systems in addition to the 3GPP LTE system.
- the proposed schemes of the present invention can be extended and applied for D2D communication.
- D2D communication means that the terminal communicates directly with another terminal using a wireless channel, where, for example, the terminal means the user's terminal, but network equipment such as a base station is used for communication between the terminals. Therefore, when transmitting / receiving a signal, it can also be regarded as a kind of terminal.
- 16 is a block diagram illustrating a terminal in which an embodiment of the present invention is implemented.
- the terminal 1100 includes a processor 1110, a memory 1120, and an RF unit 1130.
- the processor 1110 implements the proposed functions, processes, and / or methods.
- the RF unit 1130 is connected to the processor 1110 to transmit and receive a radio signal.
- the processor may include application-specific integrated circuits (ASICs), other chipsets, logic circuits, and / or data processing devices.
- the memory may include read-only memory (ROM), random access memory (RAM), flash memory, memory card, storage medium and / or other storage device.
- the RF unit may include a baseband circuit for processing a radio signal.
- the above-described technique may be implemented as a module (process, function, etc.) for performing the above-described function.
- the module may be stored in memory and executed by a processor.
- the memory may be internal or external to the processor and may be coupled to the processor by various well known means.
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Abstract
Description
Claims (12)
- 무선 통신 시스템에서 단말의 V2X(vehicle-to-everything) 신호의 송수신 방법에 있어서,제1 영역 및 제2 영역에 공통적으로 설정된 제1 반송파를 통해 V2X 제어 신호를 송수신하고, 및상기 제1 영역에 설정된 제2 반송파 또는 상기 제2 영역에 설정된 제3 반송파를 통해 V2X 데이터를 송수신하는 것을 특징으로 하는 방법.
- 제 1 항에 있어서, 상기 제1 영역 및 상기 제2 영역은 인접한 서로 다른 지리적 영역인 것을 특징으로 하는 방법.
- 제 1 항에 있어서, 상기 제1 반송파는 V2X 제어 신호의 송수신 및 V2X 데이터의 송수신이 모두 허용되도록 설정된 반송파인 것을 특징으로 하는 방법.
- 제 3 항에 있어서, 상기 제2 반송파 및 상기 제 3 반송파 각각은, V2X 데이터의 송수신만 허용되도록 설정된 반송파인 것을 특징으로 하는 방법.
- 제 1 항에 있어서, 상기 단말은 상기 제1 영역과 상기 제2 영역의 경계에 위치하는 단말인 것을 특징으로 하는 방법.
- 제 1 항에 있어서, 상기 단말은 상기 제1 영역 및 상기 제2 영역에 설정된 반송파들의 개수보다 더 적은 개수의 송신 체인 또는 수신 체인을 구비한 제한된 능력의 단말인 것을 특징으로 하는 방법.
- 제 6 항에 있어서, 상기 단말이 상기 제1 반송파 및 상기 제3 반송파를 통해 V2X 신호들을 동시에 전송하도록 설정하는 메시지를 수신한 경우,상기 제1 반송파를 통해 V2X 신호를 전송한 후, 전송 체인의 변경을 수행하고,상기 제3 반송파를 통해 V2X 신호를 전송하는 것을 특징으로 하는 방법.
- 제 6 항에 있어서, 상기 단말이 상기 제1 반송파 및 상기 제3 반송파를 통해 V2X 신호들을 동시에 수신하도록 설정하는 메시지를 수신한 경우,상기 제1 반송파를 통해 V2X 신호를 수신한 후, 수신 체인의 변경을 수행하고,상기 제3 반송파를 통해 V2X 신호를 수신하는 것을 특징으로 하는 방법.
- 제 1 항에 있어서, 상기 단말이 V2X 신호의 전송 동작을 수행하는 반송파의 혼잡도가 임계값 이상인 경우 다른 반송파에서 V2X 신호의 전송 동작을 수행하도록 지시하는 메시지를 더 수신하는 것을 특징으로 하는 방법.
- 제 9 항에 있어서, 상기 메시지를 수신하면, 상기 단말은 상기 다른 반송파에서 V2X 신호의 전송 동작을 수행하는 것을 특징으로 하는 방법.
- 제 1 항에 있어서, 상기 단말이 특정 반송파에서 V2X 신호를 수신하고 있는 도중에, 다른 반송파에서 상기 특정 반송파의 V2X 신호보다 더 높은 우선 순위를 가지는 V2X 신호를 다른 단말이 전송하고 있음을 검출하면,수신 체인 스위칭 후, 상기 다른 반송파에서 상기 더 높은 우선 순위를 가지는 V2X 신호를 수신하는 것을 특징으로 하는 방법.
- V2X(vehicle-to-everything) 신호를 송수신하는 단말은,무선 신호를 송신 및 수신하는 RF(Radio Frequency) 부; 및상기 RF부와 결합하여 동작하는 프로세서;를 포함하되, 상기 프로세서는,제1 영역 및 제2 영역에 공통적으로 설정된 제1 반송파를 통해 V2X 제어 신호를 송수신하고, 및상기 제1 영역에 설정된 제2 반송파 또는 상기 제2 영역에 설정된 제3 반송파를 통해 V2X 데이터를 송수신하는 것을 특징으로 하는 단말.
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JP2018510381A JP6542469B2 (ja) | 2015-08-24 | 2016-08-24 | 無線通信システムにおける端末のV2X(vehicle−to−everything)信号の送受信方法及び前記方法を利用する端末 |
EP16839613.3A EP3343995B1 (en) | 2015-08-24 | 2016-08-24 | Method for transreceiving v2x signal of terminal in wireless communication system, and terminal using the method |
CN201680047691.8A CN107926030B (zh) | 2015-08-24 | 2016-08-24 | 无线通信系统中终端收发v2x信号的方法以及使用该方法的终端 |
US15/754,582 US10750512B2 (en) | 2015-08-24 | 2016-08-24 | Method for transreceiving V2X signal of terminal in wireless communication system, and terminal using the method |
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US201562209307P | 2015-08-24 | 2015-08-24 | |
US62/209,307 | 2015-08-24 |
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PCT/KR2016/009398 WO2017034324A1 (ko) | 2015-08-24 | 2016-08-24 | 무선 통신 시스템에서 단말의 v2x 신호의 송수신 방법 및 상기 방법을 이용하는 단말 |
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EP (1) | EP3343995B1 (ko) |
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WO (1) | WO2017034324A1 (ko) |
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US20180242302A1 (en) | 2018-08-23 |
US10750512B2 (en) | 2020-08-18 |
EP3343995A1 (en) | 2018-07-04 |
CN107926030B (zh) | 2021-06-04 |
JP6542469B2 (ja) | 2019-07-10 |
EP3343995A4 (en) | 2019-03-27 |
EP3343995B1 (en) | 2020-06-24 |
JP2018525938A (ja) | 2018-09-06 |
CN107926030A (zh) | 2018-04-17 |
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