WO2017155361A1 - V2x 통신을 위한 자원 할당 방법 및 장치 - Google Patents
V2x 통신을 위한 자원 할당 방법 및 장치 Download PDFInfo
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- WO2017155361A1 WO2017155361A1 PCT/KR2017/002650 KR2017002650W WO2017155361A1 WO 2017155361 A1 WO2017155361 A1 WO 2017155361A1 KR 2017002650 W KR2017002650 W KR 2017002650W WO 2017155361 A1 WO2017155361 A1 WO 2017155361A1
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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
- H04W72/50—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
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W28/00—Network traffic management; Network resource management
- H04W28/16—Central resource management; Negotiation of resources or communication parameters, e.g. negotiating bandwidth or QoS [Quality of Service]
- H04W28/26—Resource reservation
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W36/00—Hand-off or reselection arrangements
- H04W36/0005—Control or signalling for completing the hand-off
- H04W36/0055—Transmission or use of information for re-establishing the radio link
- H04W36/0072—Transmission or use of information for re-establishing the radio link of resource information of target access point
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
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- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/30—Services specially adapted for particular environments, situations or purposes
- H04W4/40—Services specially adapted for particular environments, situations or purposes for vehicles, e.g. vehicle-to-pedestrians [V2P]
- H04W4/44—Services specially adapted for particular environments, situations or purposes for vehicles, e.g. vehicle-to-pedestrians [V2P] for communication between vehicles and infrastructures, e.g. vehicle-to-cloud [V2C] or vehicle-to-home [V2H]
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- H04W72/20—Control channels or signalling for resource management
- H04W72/27—Control channels or signalling for resource management between access points
Definitions
- the present invention relates to a wireless communication system, and more particularly, to a method for allocating resources for V2X communication and a device supporting the same.
- 3GPP LTE long term evolution
- UMTS Universal Mobile Telecommunications System
- 3GPP LTE uses orthogonal frequency division multiple access (OFDMA) in downlink and single carrier-frequency division multiple access (SC-FDMA) in uplink.
- OFDMA orthogonal frequency division multiple access
- SC-FDMA single carrier-frequency division multiple access
- MIMO multiple input multiple output
- LTE-A 3GPP LTE-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.
- the terminal may semi-permanently schedule resources for V2X communication from the base station. That is, the base station may allocate a set of periodically occurring resources for sidelink scheduling assignment (SA) and / or data transmission.
- SA sidelink scheduling assignment
- the mobile station can change the base station, even if the base station allocates a set of periodically occurring resources, the set of periodically occurring resources allocated by the base station is determined by the movement of the neighboring base station. May not be provided by the modified base station). In this case, the terminal moving to the area of the neighboring base station may fail to perform V2X communication using the set of resources allocated by the base station. Therefore, a method of performing V2X communication and an apparatus supporting the same need to be proposed.
- a method of performing a V2X communication (vehicle to everything communication) by a base station in a wireless communication system includes allocating a first set of resources; Transmitting a UE Resource Reserve Request message including information on the allocated first resource set to a neighbor base station; Receiving a UE Resource Reserve Response message from the neighbor base station in response to the UE resource reservation request message; And transmitting the newly allocated second resource set to the terminal.
- the allocated first set of resources may not be serviced by the neighboring base station.
- the UE resource reservation response message may include information on the newly allocated second resource set.
- the second resource set may be newly allocated by the neighboring base station.
- the UE resource reservation response message may include an indicator indicating that the allocated first resource set cannot be serviced by the neighboring base station.
- the method may further include allocating the second resource set based on the indicator.
- the method may further include transmitting the allocated second resource set to the neighbor base station.
- the first resource set and the second resource set may be a sidelink scheduling assignment (SA) or a set of periodically occurring resources for data transmission.
- SA sidelink scheduling assignment
- the allocated first resource set may be plural. At least one resource set of the plurality of first resource sets may not be serviced by the neighboring base station.
- a method of performing a V2X communication (vehicle to everything communication) by a base station in a wireless communication system includes receiving a UE Resource Reserve Request message from the neighbor base station, the UE resource reservation request message comprising information about a first set of resources allocated by a neighbor base station; Determining whether the allocated first set of resources can be serviced by the base station; And transmitting a UE resource reservation response message to the neighboring base station in response to the UE resource reservation request message.
- the method may further include allocating a second resource set if it is determined that the allocated first resource set cannot be serviced by the base station.
- the UE resource reservation response message may include information on the allocated second resource set.
- the UE resource reservation response message may include an indicator indicating that the allocated first resource set cannot be serviced by the base station. Can be.
- a base station for performing V2X communication (vehicle to everything communication) in a wireless communication system.
- the base station includes a memory; Transceiver; And a processor connecting the memory and the transceiver, wherein the processor allocates a first resource set, and the transceiver includes a UE resource reservation request message including information on the allocated first resource set.
- UE resource reservation response message UE Resource Reserve Response message
- V2X communication can be performed smoothly.
- FIG. 1 shows a structure of an LTE system.
- FIG. 2 shows an air interface protocol of an LTE system for a control plane.
- FIG 3 shows an air interface protocol of an LTE system for a user plane.
- FIG. 5 is a diagram illustrating a V2X communication environment.
- FIG. 6 is a diagram illustrating a problem that may occur when a base station allocates a set of resources that occur periodically.
- FIG. 7 illustrates a method of allocating a resource set for V2X communication by a target base station according to an embodiment of the present invention.
- FIG. 8 illustrates a method of allocating a resource set for V2X communication by a source base station according to an embodiment of the present invention.
- FIG. 9 is a block diagram illustrating a method of performing a V2X communication by a base station according to an embodiment of the present invention.
- FIG. 10 is a block diagram illustrating a method for a base station to perform V2X communication according to an embodiment of the present invention.
- FIG. 11 is a block diagram of a wireless communication system in which an embodiment of the present invention is implemented.
- CDMA code division multiple access
- FDMA frequency division multiple access
- TDMA time division multiple access
- OFDMA orthogonal frequency division multiple access
- SC-FDMA single carrier frequency division multiple access
- CDMA may be implemented with a radio technology such as universal terrestrial radio access (UTRA) or CDMA2000.
- TDMA may be implemented with wireless technologies such as global system for mobile communications (GSM) / general packet radio service (GPRS) / enhanced data rates for GSM evolution (EDGE).
- GSM global system for mobile communications
- GPRS general packet radio service
- EDGE enhanced data rates for GSM evolution
- OFDMA may be implemented by wireless technologies such as Institute of Electrical and Electronics Engineers (IEEE) 802.11 (Wi-Fi), IEEE 802.16 (WiMAX), IEEE 802-20, evolved UTRA (E-UTRA), and the like.
- IEEE 802.16m is an evolution of IEEE 802.16e and provides backward compatibility with systems based on IEEE 802.16e.
- UTRA is part of a universal mobile telecommunications system (UMTS).
- 3rd generation partnership project (3GPP) long term evolution (LTE) is part of evolved UMTS (E-UMTS) using evolved-UMTS terrestrial radio access (E-UTRA), which employs OFDMA in downlink and SC in uplink -FDMA is adopted.
- LTE-A (advanced) is the evolution of 3GPP LTE.
- FIG. 1 shows a structure of an LTE system.
- Communication networks are widely deployed to provide various communication services such as IMS and Voice over internet protocol (VoIP) over packet data.
- VoIP Voice over internet protocol
- an LTE system structure includes one or more UEs 10, an evolved-UMTS terrestrial radio access network (E-UTRAN), and an evolved packet core (EPC).
- the terminal 10 is a communication device moved by a user.
- 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), and a wireless device.
- MS mobile station
- UT user terminal
- SS subscriber station
- wireless device a wireless device.
- the E-UTRAN may include one or more evolved node-eB (eNB) 20, and a plurality of terminals may exist in one cell.
- the eNB 20 provides an end point of a control plane and a user plane to the terminal.
- the eNB 20 generally refers to a fixed station communicating with the terminal 10, and may be referred to in other terms such as a base station (BS), a base transceiver system (BTS), an access point, and the like.
- BS base station
- BTS base transceiver system
- One eNB 20 may be arranged per cell. There may be one or more cells within the coverage of the eNB 20.
- One cell may be configured to have one of bandwidths such as 1.25, 2.5, 5, 10, and 20 MHz to provide downlink (DL) or uplink (UL) transmission service to various terminals. In this case, different cells may be configured to provide different bandwidths.
- DL means communication from the eNB 20 to the terminal 10
- UL means communication from the terminal 10 to the eNB 20.
- the transmitter may be part of the eNB 20 and the receiver may be part of the terminal 10.
- the transmitter may be part of the terminal 10 and the receiver may be part of the eNB 20.
- the EPC may include a mobility management entity (MME) that serves as a control plane, and a system architecture evolution (SAE) gateway (S-GW) that serves as a user plane.
- MME mobility management entity
- SAE system architecture evolution gateway
- S-GW gateway
- the MME / S-GW 30 may be located at the end of the network and is connected to an external network.
- the MME has information about the access information of the terminal or the capability of the terminal, and this information may be mainly used for mobility management of the terminal.
- S-GW is a gateway having an E-UTRAN as an endpoint.
- the MME / S-GW 30 provides the terminal 10 with the endpoint of the session and the mobility management function.
- the EPC may further include a packet data network (PDN) -gateway (GW).
- PDN-GW is a gateway with PDN as an endpoint.
- the MME includes non-access stratum (NAS) signaling to the eNB 20, NAS signaling security, access stratum (AS) security control, inter CN (node network) signaling for mobility between 3GPP access networks, idle mode terminal reachability ( Control and execution of paging retransmission), tracking area list management (for terminals in idle mode and active mode), P-GW and S-GW selection, MME selection for handover with MME change, 2G or 3G 3GPP access Bearer management, including roaming, authentication, and dedicated bearer settings, SGSN (serving GPRS support node) for handover to the network, public warning system (ETWS) and commercial mobile alarm system (PWS) It provides various functions such as CMAS) and message transmission support.
- NAS non-access stratum
- AS access stratum
- inter CN node network
- MME selection for handover with MME change
- 2G or 3G 3GPP access Bearer management including roaming, authentication, and dedicated bearer settings
- SGSN serving GPRS support no
- S-GW hosts can be based on per-user packet filtering (eg, through deep packet inspection), legal blocking, terminal IP (Internet protocol) address assignment, transport level packing marking in DL, UL / DL service level charging, gating and It provides various functions of class enforcement, DL class enforcement based on APN-AMBR.
- MME / S-GW 30 is simply represented as a "gateway", which may include both MME and S-GW.
- An interface for user traffic transmission or control traffic transmission may be used.
- the terminal 10 and the eNB 20 may be connected by the Uu interface.
- the eNBs 20 may be interconnected by an X2 interface. Neighboring eNBs 20 may have a mesh network structure by the X2 interface.
- the eNBs 20 may be connected with the EPC by the S1 interface.
- the eNBs 20 may be connected to the EPC by the S1-MME interface and may be connected to the S-GW by the S1-U interface.
- the S1 interface supports a many-to-many-relation between eNB 20 and MME / S-GW 30.
- the eNB 20 may select for the gateway 30, routing to the gateway 30 during radio resource control (RRC) activation, scheduling and transmission of paging messages, scheduling channel information (BCH), and the like.
- RRC radio resource control
- BCH scheduling channel information
- the gateway 30 may perform paging initiation, LTE idle state management, user plane encryption, SAE bearer control, and encryption and integrity protection functions of NAS signaling in the EPC.
- FIG. 2 shows an air interface protocol of an LTE system for a control plane.
- 3 shows an air interface protocol of an LTE system for a user plane.
- the layer of the air interface protocol between the UE and the E-UTRAN is based on the lower three layers of the open system interconnection (OSI) model, which is well known in communication systems, and includes L1 (first layer), L2 (second layer), and L3 (third layer). Hierarchical).
- the air interface protocol between the UE and the E-UTRAN may be horizontally divided into a physical layer, a data link layer, and a network layer, and vertically a protocol stack for transmitting control signals.
- Layers of the radio interface protocol may exist in pairs in the UE and the E-UTRAN, which may be responsible for data transmission of the Uu interface.
- the physical layer belongs to L1.
- the physical layer provides an information transmission service to a higher layer through a physical channel.
- the physical layer is connected to a higher layer of a media access control (MAC) layer through a transport channel.
- Physical channels are mapped to transport channels.
- Data may be transmitted between the MAC layer and the physical layer through a transport channel.
- Data between different physical layers, that is, between the physical layer of the transmitter and the physical layer of the receiver may be transmitted using radio resources through a physical channel.
- the physical layer may be modulated using an orthogonal frequency division multiplexing (OFDM) scheme, and utilizes time and frequency as radio resources.
- OFDM orthogonal frequency division multiplexing
- the physical layer uses several physical control channels.
- a physical downlink control channel (PDCCH) reports resource allocation of a paging channel (PCH) and a downlink shared channel (DL-SCH), and hybrid automatic repeat request (HARQ) information related to the DL-SCH to the UE.
- the PDCCH may carry an uplink grant to report to the UE regarding resource allocation of uplink transmission.
- the physical control format indicator channel (PCFICH) informs the UE of the number of OFDM symbols used for the PDCCH and is transmitted every subframe.
- a physical hybrid ARQ indicator channel (PHICH) carries a HARQ ACK (non-acknowledgement) / NACK (non-acknowledgement) signal for UL-SCH transmission.
- a physical uplink control channel (PUCCH) carries UL control information such as HARQ ACK / NACK, a scheduling request, and a CQI for downlink transmission.
- the physical uplink shared channel (PUSCH) carries an uplink shared channel (UL-SCH).
- the physical channel includes a plurality of subframes in the time domain and a plurality of subcarriers in the frequency domain.
- One subframe consists of a plurality of symbols in the time domain.
- One subframe consists of a plurality of resource blocks (RBs).
- One resource block is composed of a plurality of symbols and a plurality of subcarriers.
- each subframe may use specific subcarriers of specific symbols of the corresponding subframe for the PDCCH.
- the first symbol of the subframe may be used for the PDCCH.
- the PDCCH may carry dynamically allocated resources, such as a physical resource block (PRB) and modulation and coding schemes (MCS).
- a transmission time interval (TTI) which is a unit time at which data is transmitted, may be equal to the length of one subframe.
- One subframe may have a length of 1 ms.
- a DL transport channel for transmitting data from a network to a UE includes a broadcast channel (BCH) for transmitting system information, a paging channel (PCH) for transmitting a paging message, and a DL-SCH for transmitting user traffic or control signals. And the like.
- BCH broadcast channel
- PCH paging channel
- DL-SCH supports dynamic link adaptation and dynamic / semi-static resource allocation by varying HARQ, modulation, coding and transmit power.
- the DL-SCH may enable the use of broadcast and beamforming throughout the cell.
- System information carries one or more system information blocks. All system information blocks can be transmitted in the same period. Traffic or control signals of a multimedia broadcast / multicast service (MBMS) are transmitted through a multicast channel (MCH).
- MCH multicast channel
- the UL transport channel for transmitting data from the terminal to the network includes a random access channel (RAC) for transmitting an initial control message, a UL-SCH for transmitting user traffic or a control signal, and the like.
- the UL-SCH can support dynamic link adaptation due to HARQ and transmit power and potential changes in modulation and coding.
- the UL-SCH may enable the use of beamforming.
- RACH is generally used for initial connection to a cell.
- the MAC layer belonging to L2 provides a service to a radio link control (RLC) layer, which is a higher layer, through a logical channel.
- RLC radio link control
- the MAC layer provides a mapping function from a plurality of logical channels to a plurality of transport channels.
- the MAC layer also provides a logical channel multiplexing function by mapping from multiple logical channels to a single transport channel.
- the MAC sublayer provides data transfer services on logical channels.
- the logical channel may be divided into a control channel for information transmission in the control plane and a traffic channel for information transmission in the user plane according to the type of information to be transmitted. That is, a set of logical channel types is defined for other data transfer services provided by the MAC layer.
- the logical channel is located above the transport channel and mapped to the transport channel.
- the control channel is used only for conveying information in the control plane.
- the control channel provided by the MAC layer includes a broadcast control channel (BCCH), a paging control channel (PCCH), a common control channel (CCCH), a multicast control channel (MCCH), and a dedicated control channel (DCCH).
- BCCH is a downlink channel for broadcasting system control information.
- PCCH is a downlink channel used for transmitting paging information and paging a terminal whose cell-level location is not known to the network.
- CCCH is used by the terminal when there is no RRC connection with the network.
- MCCH is a one-to-many downlink channel used to transmit MBMS control information from the network to the terminal.
- DCCH is a one-to-one bidirectional channel used by the terminal for transmitting dedicated control information between the terminal and the network in an RRC connection state.
- the traffic channel is used only for conveying information in the user plane.
- the traffic channel provided by the MAC layer includes a dedicated traffic channel (DTCH) and a multicast traffic channel (MTCH).
- DTCH is used for transmission of user information of one UE in a one-to-one channel and may exist in both uplink and downlink.
- MTCH is a one-to-many downlink channel for transmitting traffic data from the network to the terminal.
- the uplink connection between the logical channel and the transport channel includes a DCCH that can be mapped to the UL-SCH, a DTCH that can be mapped to the UL-SCH, and a CCCH that can be mapped to the UL-SCH.
- the downlink connection between the logical channel and the transport channel is a BCCH that can be mapped to a BCH or DL-SCH, a PCCH that can be mapped to a PCH, a DCCH that can be mapped to a DL-SCH, a DTCH that can be mapped to a DL-SCH, MCCH that can be mapped to MCH and MTCH that can be mapped to MCH.
- the RLC layer belongs to L2.
- the function of the RLC layer includes adjusting the size of the data by segmentation / concatenation of the data received from the upper layer in the radio section such that the lower layer is suitable for transmitting data.
- the RLC layer is divided into three modes: transparent mode (TM), unacknowledged mode (UM) and acknowledged mode (AM). Provides three modes of operation.
- TM transparent mode
- UM unacknowledged mode
- AM acknowledged mode
- AM RLC provides retransmission through automatic repeat request (ARQ) for reliable data transmission.
- ARQ automatic repeat request
- the function of the RLC layer may be implemented as a functional block inside the MAC layer, in which case the RLC layer may not exist.
- the packet data convergence protocol (PDCP) layer belongs to L2.
- the PDCP layer introduces an IP packet, such as IPv4 or IPv6, over a relatively low bandwidth air interface to provide header compression that reduces unnecessary control information so that the transmitted data is transmitted efficiently. Header compression improves transmission efficiency in the wireless section by transmitting only the information necessary for the header of the data.
- the PDCP layer provides security. Security functions include encryption to prevent third party inspection and integrity protection to prevent third party data manipulation.
- the radio resource control (RRC) layer belongs to L3.
- the RRC layer at the bottom of L3 is defined only in the control plane.
- the RRC layer serves to control radio resources between the terminal and the network.
- the UE and the network exchange RRC messages through the RRC layer.
- the RRC layer is responsible for the control of logical channels, transport channels and physical channels in connection with the configuration, re-configuration and release of RBs.
- RB is a logical path provided by L1 and L2 for data transmission between the terminal and the network. That is, RB means a service provided by L2 for data transmission between the UE and the E-UTRAN. Setting up an RB means defining the characteristics of the radio protocol layer and channel to provide a particular service, and determining each specific parameter and method of operation.
- RBs may be classified into two types: signaling RBs (SRBs) and data RBs (DRBs).
- SRBs signaling RBs
- DRBs data RBs
- the non-access stratum (NAS) layer located above the RRC layer performs functions such as session management and mobility management.
- the RLC and MAC layers may perform functions such as scheduling, ARQ and HARQ.
- the RRC layer (ended at the eNB at the network side) may perform functions such as broadcast, paging, RRC connection management, RB control, mobility function, and UE measurement report / control.
- the NAS control protocol (terminated at the gateway's MME at the network side) may perform functions such as SAE bearer management, authentication, LTE_IDLE mobility handling, paging initiation at LTE_IDLE, and security control for signaling between the terminal and the gateway.
- the RLC and MAC layer may perform the same function as the function in the control plane.
- the PDCP layer may perform user plane functions such as header compression, integrity protection and encryption.
- the RRC state indicates whether the RRC layer of the UE is logically connected with the RRC layer of the E-UTRAN.
- the RRC state may be divided into two types, such as an RRC connected state (RRC_CONNECTED) and an RRC idle state (RRC_IDLE).
- RRC_CONNECTED RRC connected state
- RRC_IDLE RRC idle state
- the E-UTRAN cannot grasp the terminal of the RRC_IDLE, and manages the terminal in units of a tracking area in which a core network (CN) is larger than a cell. That is, the terminal of the RRC_IDLE is only identified as a unit of a larger area, and in order to receive a normal mobile communication service such as voice or data communication, the terminal must transition to RRC_CONNECTED.
- CN core network
- the terminal may receive a broadcast of system information and paging information.
- the terminal may be assigned an identification (ID) that uniquely designates the terminal in the tracking area, and perform public land mobile network (PLMN) selection and cell reselection.
- ID an identification
- PLMN public land mobile network
- the UE may have an E-UTRAN RRC connection and an RRC context in the E-UTRAN to transmit data to the eNB and / or receive data from the eNB.
- the terminal may report channel quality information and feedback information to the eNB.
- the E-UTRAN may know the cell to which the UE belongs. Therefore, the network may transmit data to the terminal and / or receive data from the terminal, and the network may inter-RAT with a GSM EDGE radio access network (GERAN) through mobility of the terminal (handover and network assisted cell change (NACC)). radio access technology (cell change indication), and the network may perform cell measurement for a neighboring cell.
- GSM EDGE radio access network GERAN
- NACC network assisted cell change
- the UE designates a paging DRX cycle.
- the UE monitors a paging signal at a specific paging occasion for each UE specific paging DRX cycle.
- Paging opportunity is the time interval during which the paging signal is transmitted.
- the terminal has its own paging opportunity.
- the paging message is sent across all cells belonging to the same tracking area. If the terminal moves from one tracking area to another tracking area, the terminal sends a tracking area update (TAU) message to the network to update the location.
- TAU tracking area update
- the terminal When the user first turns on the power of the terminal, the terminal first searches for an appropriate cell and then stays in RRC_IDLE in that cell. When it is necessary to establish an RRC connection, the terminal staying in the RRC_IDLE may make an RRC connection with the RRC of the E-UTRAN through the RRC connection procedure and may transition to the RRC_CONNECTED. The UE staying in RRC_IDLE needs to establish an RRC connection with the E-UTRAN when uplink data transmission is necessary due to a user's call attempt or when a paging message is received from the E-UTRAN and a response message is required. Can be.
- 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 the 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 is an equivalent concept to D2D operation, and ProSe may be mixed with D2D operation.
- ProSe is described.
- ProSe has ProSe 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.
- ProSe capable terminal may use the following two modes for resource allocation for ProSe direct communication.
- Mode 1 A mode in which resources for ProSe direct communication are scheduled 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 A mode in which a 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. If the terminal is out of coverage, only 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. If there is no other exceptional condition, 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.
- 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 an MME, S-GW, P-GW, policy and charging rules function (PCRF), home subscriber server (HSS), and the like.
- 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 a ProSe capability for creating an application 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.
- ProSe direct communication is a communication mode in which two public safety terminals can communicate directly through a PC5 interface. This communication mode may be supported both in the case where the terminal receives service within the coverage of the E-UTRAN or in the case of leaving the coverage of the E-UTRAN.
- V2X vehicle to everything
- FIG. 5 is a diagram illustrating a V2X communication environment.
- V2X is a technology that adds mobility to D2D technology, allowing vehicles to continue to communicate with road infrastructure and other vehicles as they drive, exchanging and sharing useful information such as traffic conditions.
- the connectivity function is being applied mainly to some models, and vehicle-to-infrastructure (V2V), vehicle-to-infrastructure (V2I) communication, Research continues to support vehicle-to-pedestrian (V2P) and vehicle-to-network (V2N) communications.
- the vehicle continuously broadcasts information about its position, speed, direction, and the like.
- the surrounding vehicle that receives the broadcasted information recognizes the movement of the vehicles around itself and utilizes it for accident prevention.
- a specific type of terminal may be installed in each vehicle.
- the terminal installed in the vehicle is a device that receives the actual communication service in the communication network.
- a terminal installed in a vehicle may access a base station in an E-UTRAN and receive a communication service.
- RSU Raad Side Unit
- An entity supporting V2I communication and means an entity capable of transmitting to and receiving from a terminal by using a V2I application.
- the RSU may be implemented in a base station or a terminal (especially, a stationary terminal).
- a base station or terminal operating as an RSU collects information related to traffic safety (for example, traffic light information, traffic volume information, etc.) and / or information about surrounding vehicle movements, and transmits the information to other terminals that are subject to V2I communication. Send or receive information from other terminals.
- V2I communication A type of V2X communication, in which a terminal and a RSU using a V2I application are the subject of communication.
- V2N communication As a type of V2X communication, a terminal and a serving entity using a V2N application become a subject of communication, and the terminal and the serving entity communicate with each other through an LTE network entity.
- V2P communication A type of V2X communication, two terminals using a V2P application become the subject of communication.
- V2X communication A type of V2X communication, two terminals using a V2V application become the subject of communication. What is distinguished from V2P communication is that in V2P communication, any one terminal becomes a terminal of a pedestrian, whereas in V2V communication, either terminal becomes a terminal of a vehicle.
- Un interface means an interface between a relay node and a base station.
- MBSFN Multimedia Broadcast / Multicast Services
- MBSFN Single Frequency Network
- PC5 interface means an interface used for direct communication between two terminals, and is an interface used for communication between devices supporting ProSE (Proximity Service).
- D2D communication D2D direct communication
- V2X communication sidelink communication
- sidelink V2V communication sidelink V2V communication
- ProSe direct communication may be used in the same concept.
- the V2V communication for the convenience of description will be described, but the technical idea of the present invention is not limited to the V2V communication, it may be applied to various D2D communication having mobility.
- the sidelink V2V communication mode 1 may refer to a communication mode in which a terminal receives a resource for D2D direct communication from a base station. That is, the base station may allocate a set of periodically occurring resources for sidelink scheduling assignment (SA) and / or data transmission.
- SA sidelink scheduling assignment
- the mobile station can change the base station, when the base station allocates a set of resources that occur periodically, the following problems may occur. It demonstrates concretely below.
- FIG. 6 is a diagram illustrating a problem that may occur when a base station allocates a set of resources that occur periodically.
- eNB 2 may provide a set of periodically occurring resources allocated by eNB 2 to neighbor base stations such as eNB 1, eNB 3, eNB 7, and eNB 8. Therefore, even if the base station is changed, the terminal located in the eNB 2 can smoothly transmit the V2X message. However, if eNB 1 is unable to provide a set of resources received from eNB 2, problems may arise. If eNB 1 is unable to provide a set of resources received from eNB 2, if eNB 2 does not know this situation, the UE moved to the area of eNB 1 until the set of newly allocated resources is received by eNB 1. You may not be able to send V2X messages.
- eNB 2 if eNB 2 provided the first set of resources allocated by eNB 2 to eNB 1, which is a neighboring base station, but eNB 1 cannot provide the assigned first set of resources, it moves to the area of eNB 1. The terminal cannot transmit the V2X message using the first resource set.
- the target base station that has received the resource set for V2X communication from the source base station may determine whether the resource set can be serviced.
- the resource set may be a resource set for sidelink scheduling allocation and / or data transmission.
- the resource set may be a set of resources that occur periodically.
- the resource set may include only one resource set. Alternatively, the resource set may include a plurality of resource sets.
- the target base station may newly allocate a resource set for V2X communication.
- the target base station may inform the source base station of the newly allocated resource set.
- Information related to the newly allocated resource set may be known to the source base station by a new message, an existing message, a new IE included in a new message, or a new IE included in an existing message.
- the source base station may be a base station for allocating and providing the resource set
- the target base station may be a base station for receiving the resource set.
- the target base station may be a base station for allocating and providing a new resource set.
- FIG. 7 illustrates a method of allocating a resource set for V2X communication by a target base station according to an embodiment of the present invention.
- the source base station may allocate a resource set for the terminal.
- the resource set may be a set of periodically occurring resources.
- the resource set may include only one resource set.
- the resource set may include a plurality of resource sets.
- the source base station may transmit the resource set to the terminal.
- the source base station may transmit information related to the resource set to the target base station.
- the information related to the resource set may be transmitted in a UE resource reservation request message, an existing message, a new IE included in a new message, or a new IE included in an existing message.
- the target base station may determine whether the received resource set can be serviced by the target base station.
- the target base station may allocate a new resource set for the terminal. Or, if all of the received resource set cannot be serviced by the target base station, the target base station may allocate a new resource set for the terminal.
- the new resource set allocated by the target base station may include only one resource set. Alternatively, the new resource set allocated by the target base station may include a plurality of resource sets.
- the target base station may transmit information related to the new resource set allocated by the target base station to the source base station.
- Information related to the new resource set allocated by the target base station may be transmitted in a UE resource reservation response message, an existing message, a new IE included in a new message, or a new IE included in an existing message. have.
- step S760 when the source base station receives a message including information related to the new resource set allocated by the target base station, the source base station may transmit a new resource set received from the target base station to the terminal.
- the target base station notifies the source base station of the set of resources that can be serviced by the target base station, and the source base station notifies the terminal of the set of resources that can be serviced by the target base station, so that the terminal moves to the target base station.
- V2X communication can be performed without interruption.
- the target base station that has received the resource set for V2X communication from the source base station may determine whether the resource set can be serviced.
- the resource set may be a resource set for sidelink scheduling allocation and / or data transmission.
- the resource set may be a set of resources that occur periodically.
- the resource set may include only one resource set. Alternatively, the resource set may include a plurality of resource sets.
- the target base station may transmit an indicator to the source base station indicating that the resource set cannot be serviced by the target base station.
- the source base station may newly allocate a resource set for V2X communication. Thereafter, the source base station may inform the target base station of the newly allocated resource set.
- the indicator may be known to the source base station by a new message, an existing message, a new IE included in a new message, or a new IE included in an existing message.
- Information related to the newly allocated resource set may be known to the target base station by a new message, an existing message, a new IE included in a new message, or a new IE included in an existing message.
- the source base station may mean a base station that allocates and provides the resource set
- the target base station may mean a base station that receives the resource set.
- the source base station may be a base station for allocating and providing a new set of resources.
- FIG. 8 illustrates a method of allocating a resource set for V2X communication by a source base station according to an embodiment of the present invention.
- the source base station may allocate a resource set for the terminal.
- the resource set may be a set of resources that occur periodically.
- the resource set may include only one resource set.
- the resource set may include a plurality of resource sets.
- the source base station may transmit the resource set to the terminal.
- the source base station may transmit information related to the resource set to the target base station.
- the information related to the resource set may be transmitted in a UE resource reservation request message, an existing message, a new IE included in a new message, or a new IE included in an existing message.
- the target base station may determine whether the received resource set can be serviced by the target base station.
- step S850 if the target base station determines that the received resource set cannot be serviced by the target base station, the target base station indicates to the source base station an indicator indicating that the received resource set cannot be provided by the target base station.
- Can transmit The indicator may be transmitted by being included in a UE Resource Reserve Response message, an existing message, a new IE included in a new message, or a new IE included in an existing message.
- the target base station determines that a specific resource set among the received resource sets cannot be serviced by the target base station, the target base station indicates an indicator indicating that the received resource set cannot be provided by the target base station and the target base station.
- a list of specific resource sets that can not be serviced by the UE may be transmitted to the source base station.
- the indicator and a list of a specific resource set may be transmitted in a UE resource reservation response message, an existing message, a new IE included in a new message, or a new IE included in an existing message.
- step S860 when the source base station receives a message including the indicator (additionally, a list of a specific resource set), the source base station may allocate a new resource set for the terminal.
- the new resource set allocated by the source base station may include only one resource set.
- the new resource set allocated by the source base station may include a plurality of resource sets.
- the source base station may allocate a new resource set for the terminal.
- the number of new resource sets allocated may be equal to the number of resource sets included in the list of the specific resource set.
- the source base station may transmit information related to the new resource set allocated by the source base station to the target base station.
- Information related to the new resource set allocated by the source base station may be transmitted in a UE resource reservation request message, an existing message, a new IE included in a new message, or a new IE included in an existing message. have.
- the source base station may transmit a new resource set allocated by the source base station to the terminal.
- the target base station notifies the source base station that the resource set allocated by the source base station cannot be provided, and the source base station allocates a new resource set for the terminal, thereby moving the terminal to the target base station.
- V2X communication can be performed without interruption.
- FIG. 9 is a block diagram illustrating a method of performing a V2X communication by a base station according to an embodiment of the present invention.
- the base station may allocate a first resource set.
- the allocated first resource set may not be serviced by the neighbor base station.
- the base station may transmit a UE resource reservation request message including information on the allocated first resource set to a neighbor base station.
- the base station may receive a UE resource reservation response message from the neighboring base station in response to the UE resource reservation request message.
- the UE resource reservation response message may include information on the newly allocated second resource set.
- the second resource set may be newly allocated by the neighboring base station.
- the UE resource reservation response message may include an indicator indicating that the allocated first resource set cannot be serviced by the neighboring base station.
- the base station may allocate the second resource set based on the indicator. Furthermore, the base station may transmit the allocated second resource set to the neighbor base station.
- the base station may transmit a newly allocated second resource set to the terminal.
- the first resource set and the second resource set may be a sidelink scheduling assignment (SA) or a set of periodically occurring resources for data transmission.
- SA sidelink scheduling assignment
- the allocated first resource set may be plural. At least one resource set of the plurality of first resource sets may not be serviced by the neighboring base station.
- FIG. 10 is a block diagram illustrating a method for a base station to perform V2X communication according to an embodiment of the present invention.
- the base station may receive a UE resource reservation request message from the neighbor base station including information on the first resource set allocated by the neighbor base station. .
- the base station may determine whether the allocated first set of resources can be serviced by the base station.
- the base station may transmit a UE resource reservation response message to the neighboring base station in response to the UE resource reservation request message.
- the base station may allocate a second set of resources.
- the UE resource reservation response message may include information on the allocated second resource set.
- the UE resource reservation response message indicates an indicator indicating that the allocated first resource set cannot be serviced by the base station. It may include.
- FIG. 11 is a block diagram of a wireless communication system in which an embodiment of the present invention is implemented.
- the base station 1100 includes a processor 1101, a memory 1102, and a transceiver 1103.
- the memory 1102 is connected to the processor 1101 and stores various information for driving the processor 1101.
- the transceiver 1103 is connected to the processor 1101 and transmits and / or receives a radio signal.
- the processor 1101 implements the proposed functions, processes and / or methods. In the above-described embodiment, the operation of the base station may be implemented by the processor 1101.
- the terminal 1110 includes a processor 1111, a memory 1112, and a transceiver 1113.
- the memory 1112 is connected to the processor 1111 and stores various information for driving the processor 1111.
- the transceiver 1113 is connected to the processor 1111 to transmit and / or receive a radio signal.
- Processor 1111 implements the proposed functions, processes, and / or methods. In the above-described embodiment, the operation of the terminal may be implemented by the processor 1111.
- 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 transceiver may include baseband circuitry for processing wireless signals.
- 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 (15)
- 무선 통신 시스템에서 기지국이 V2X 통신(vehicle to everything communication)을 수행하는 방법에 있어서,제 1 자원 집합을 할당하는 단계;상기 할당된 제 1 자원 집합에 대한 정보를 포함하는 UE 자원 예약 요청 메시지(UE Resource Reserve Request message)를 이웃 기지국으로 전송하는 단계;상기 UE 자원 예약 요청 메시지에 대한 응답으로 UE 자원 예약 응답 메시지(UE Resource Reserve Response message)를 상기 이웃 기지국으로부터 수신하는 단계;새롭게 할당된 제 2 자원 집합을 단말에게 전송하는 단계;를 포함하는 것을 특징으로 하는 방법.
- 제 1 항에 있어서,상기 할당된 제 1 자원 집합은 상기 이웃 기지국에 의해 서비스될 수 없는 것을 특징으로 하는 방법.
- 제 2 항에 있어서,상기 UE 자원 예약 응답 메시지는 상기 새롭게 할당된 제 2 자원 집합에 대한 정보를 포함하는 것을 특징으로 하는 방법.
- 제 3 항에 있어서,상기 제 2 자원 집합은 상기 이웃 기지국에 의해 새롭게 할당되는 것을 특징으로 하는 방법.
- 제 2 항에 있어서,상기 UE 자원 예약 응답 메시지는 상기 할당된 제 1 자원 집합이 상기 이웃 기지국에 의해 서비스될 수 없음을 지시하는 지시자를 포함하는 것을 특징으로 하는 방법.
- 제 5 항에 있어서,상기 지시자를 기반으로 상기 제 2 자원 집합을 할당하는 단계;를 더 포함하는 것을 특징으로 하는 방법.
- 제 6 항에 있어서,상기 할당된 제 2 자원 집합을 상기 이웃 기지국으로 전송하는 단계;를 더 포함하는 것을 특징으로 하는 방법.
- 제 1 항에 있어서,상기 제 1 자원 집합 및 상기 제 2 자원 집합은 사이드링크 스케줄링 할당(SA; scheduling assignment) 또는 데이터 전송을 위한 주기적으로 발생하는 자원의 집합(periodically occurring resources)인 것을 특징으로 하는 방법.
- 제 2 항에 있어서,상기 할당된 제 1 자원 집합은 복수인 것을 특징으로 하는 방법.
- 제 9 항에 있어서,상기 복수의 제 1 자원 집합 중 적어도 어느 하나의 자원 집합은 상기 이웃 기지국에 의해 서비스될 수 없는 것을 특징으로 하는 방법.
- 무선 통신 시스템에서 기지국이 V2X 통신(vehicle to everything communication)을 수행하는 방법에 있어서,이웃 기지국에 의해 할당된 제 1 자원 집합에 대한 정보를 포함하는 UE 자원 예약 요청 메시지(UE Resource Reserve Request message)를 상기 이웃 기지국으로부터 수신하는 단계;상기 할당된 제 1 자원 집합이 상기 기지국에 의해 서비스될 수 있는지 여부를 결정하는 단계;상기 UE 자원 예약 요청 메시지에 대한 응답으로 UE 자원 예약 응답 메시지(UE Resource Reserve Response message)를 상기 이웃 기지국으로 전송하는 단계;를 포함하는 것을 특징으로 하는 방법.
- 제 11 항에 있어서,상기 할당된 제 1 자원 집합이 상기 기지국에 의해 서비스될 수 없는 것으로 결정되면, 제 2 자원 집합을 할당하는 단계;를 더 포함하는 것을 특징으로 하는 방법.
- 제 12 항에 있어서,상기 UE 자원 예약 응답 메시지는 상기 할당된 제 2 자원 집합에 대한 정보를 포함하는 것을 특징으로 하는 방법.
- 제 11 항에 있어서,상기 할당된 제 1 자원 집합이 상기 기지국에 의해 서비스될 수 없는 것으로 결정되면, 상기 UE 자원 예약 응답 메시지는 상기 할당된 제 1 자원 집합이 상기 기지국에 의해 서비스될 수 없음을 지시하는 지시자를 포함하는 것을 특징으로 하는 방법.
- 무선 통신 시스템에서 V2X 통신(vehicle to everything communication)을 수행하는 기지국에 있어서,메모리; 송수신기; 및 상기 메모리와 상기 송수신기를 연결하는 프로세서를 포함하되, 상기 프로세서는제 1 자원 집합을 할당하고,상기 송수신기가 상기 할당된 제 1 자원 집합에 대한 정보를 포함하는 UE 자원 예약 요청 메시지(UE Resource Reserve Request message)를 이웃 기지국으로 전송하도록 제어하고,상기 송수신기가 상기 UE 자원 예약 요청 메시지에 대한 응답으로 UE 자원 예약 응답 메시지(UE Resource Reserve Response message)를 상기 이웃 기지국으로부터 수신하도록 제어하고,상기 송수신기가 새롭게 할당된 제 2 자원 집합을 단말에게 전송하는 것을 제어하도록 구성되는 것을 특징으로 하는 기지국.
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KR1020187026311A KR102151118B1 (ko) | 2016-03-11 | 2017-03-13 | V2x 통신을 위한 자원 할당 방법 및 장치 |
EP17763621.4A EP3429290B1 (en) | 2016-03-11 | 2017-03-13 | Resource allocation method and device for v2x communication |
US16/083,716 US10952221B2 (en) | 2016-03-11 | 2017-03-13 | Resource allocation method and device for V2X communication |
CN201780022997.2A CN109076530B (zh) | 2016-03-11 | 2017-03-13 | 用于v2x通信的资源分配方法和设备 |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2020001317A1 (zh) * | 2018-06-27 | 2020-01-02 | 华为技术有限公司 | V2x通信方法、装置及系统 |
CN111699743A (zh) * | 2019-01-11 | 2020-09-22 | 联发科技股份有限公司 | 新无线电车联网移动通信中存在带内发射时之资源分配 |
Families Citing this family (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US11570779B2 (en) * | 2018-11-30 | 2023-01-31 | Panasonic Intellectual Property Corporation Of America | Communication apparatuses and communication methods for 5G NR based V2X communications |
WO2020137130A1 (ja) * | 2018-12-26 | 2020-07-02 | ソニー株式会社 | 端末装置、基地局、方法及び記録媒体 |
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EP4133838A4 (en) * | 2020-04-08 | 2024-01-10 | Qualcomm Inc | SIDELINK PROCEDURE TO AVOID RESOURCE CONFLICT DURING RESOURCE ALLOCATION |
WO2022151104A1 (zh) * | 2021-01-13 | 2022-07-21 | 北京小米移动软件有限公司 | 广播多播业务数据接收方法及装置 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20140038653A1 (en) * | 2011-04-19 | 2014-02-06 | Telefonaktiebolaget L M Ericsson (Publ) | Radio base stations and methods therein for handling interference and scheduling radio resources accordingly |
US20150201401A1 (en) * | 2012-06-08 | 2015-07-16 | Nokia Solutions And Networks Oy | Radio resource reservation in framed communication system |
WO2015115983A1 (en) * | 2014-01-31 | 2015-08-06 | Telefonaktiebolaget L M Ericsson (Publ) | Methods and network nodes for enhanced radio resource deployment |
Family Cites Families (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8140077B2 (en) * | 2006-04-19 | 2012-03-20 | Nokia Corporation | Handover or location update for optimization for relay stations in a wireless network |
WO2008020718A1 (en) * | 2006-08-16 | 2008-02-21 | Samsung Electronics Co., Ltd. | Method and apparatus for sending state indication of voice packet by user equipment in a mobile communication system |
CN102783211B (zh) * | 2010-03-05 | 2015-10-14 | 诺基亚公司 | 直接对等通信的切换 |
WO2013012241A2 (ko) * | 2011-07-18 | 2013-01-24 | 엘지전자 주식회사 | 기기간 통신을 지원하는 무선접속시스템에서 기기간 직접 통신 유지 방법 및 이를 지원하는 장치 |
WO2013176466A1 (ko) * | 2012-05-21 | 2013-11-28 | 엘지전자 주식회사 | 다중 셀 무선 통신 시스템에서 무선 자원 정보 공유 방법 및 이를 위한 장치 |
EP2858435A4 (en) * | 2012-05-31 | 2015-06-10 | Fujitsu Ltd | WIRELESS COMMUNICATION SYSTEM, WIRELESS BASISSTATION DEVICE, FINAL DEVICE AND METHOD FOR ASSIGNING WIRELESS RESOURCES |
CN105165107B (zh) * | 2013-04-05 | 2018-10-26 | Lg电子株式会社 | 用于两个以上运营商之间的基于接近的服务的方法和设备 |
WO2015096845A1 (en) * | 2013-12-23 | 2015-07-02 | Huawei Technologies Duesseldorf Gmbh | A method for managing communications between a first mobile terminal and a second mobile terminal |
CN104812025B (zh) * | 2014-01-28 | 2019-12-31 | 中兴通讯股份有限公司 | 设备间发现及通信方法和系统 |
WO2015117092A1 (en) * | 2014-01-31 | 2015-08-06 | Futurewei Technologies, Inc. | System and method for signaling network assigned radio resources for proximity discovery |
CN104936164B (zh) * | 2014-03-17 | 2019-01-25 | 电信科学技术研究院 | 指示d2d相关信息和确定d2d发送资源的方法及装置 |
US9717092B2 (en) * | 2014-04-03 | 2017-07-25 | Innovative Sonic Corporation | Method and apparatus for allocating resources for device-to-device (D2D) communication in a wireless communication system |
US9961685B2 (en) * | 2015-05-04 | 2018-05-01 | Telefonaktiebolaget Lm Ericsson (Publ) | Progressive resource allocation for vehicular communication |
CN107925890B (zh) * | 2015-09-04 | 2022-03-25 | 索尼公司 | 无线通信系统 |
-
2017
- 2017-03-13 US US16/083,716 patent/US10952221B2/en active Active
- 2017-03-13 EP EP17763621.4A patent/EP3429290B1/en active Active
- 2017-03-13 WO PCT/KR2017/002650 patent/WO2017155361A1/ko active Application Filing
- 2017-03-13 CN CN201780022997.2A patent/CN109076530B/zh active Active
- 2017-03-13 KR KR1020187026311A patent/KR102151118B1/ko active IP Right Grant
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20140038653A1 (en) * | 2011-04-19 | 2014-02-06 | Telefonaktiebolaget L M Ericsson (Publ) | Radio base stations and methods therein for handling interference and scheduling radio resources accordingly |
US20150201401A1 (en) * | 2012-06-08 | 2015-07-16 | Nokia Solutions And Networks Oy | Radio resource reservation in framed communication system |
WO2015115983A1 (en) * | 2014-01-31 | 2015-08-06 | Telefonaktiebolaget L M Ericsson (Publ) | Methods and network nodes for enhanced radio resource deployment |
Non-Patent Citations (3)
Title |
---|
ERICSSON ET AL.: "Sidelink Resource Allocation in V2X", R2-161566, 3GPP TSG-RAN WG2 #93, 6 February 2016 (2016-02-06), Malta, XP051065846 * |
See also references of EP3429290A4 * |
ST. JULIAN'S: "Challenges and Potential Enhancements for Uu Based V2V", R2-161795, 3GPP TSG-RAN WG2 #93, 19 February 2016 (2016-02-19), Malta, XP051066166 * |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2020001317A1 (zh) * | 2018-06-27 | 2020-01-02 | 华为技术有限公司 | V2x通信方法、装置及系统 |
CN110650454A (zh) * | 2018-06-27 | 2020-01-03 | 华为技术有限公司 | V2x通信方法、装置及系统 |
CN110650454B (zh) * | 2018-06-27 | 2021-10-15 | 华为技术有限公司 | V2x通信方法、装置及系统 |
CN111699743A (zh) * | 2019-01-11 | 2020-09-22 | 联发科技股份有限公司 | 新无线电车联网移动通信中存在带内发射时之资源分配 |
CN111699743B (zh) * | 2019-01-11 | 2023-12-22 | 联发科技股份有限公司 | 新无线电车联网移动通信中存在带内发射时之资源分配 |
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KR20180104768A (ko) | 2018-09-21 |
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US20200196296A1 (en) | 2020-06-18 |
KR102151118B1 (ko) | 2020-09-02 |
US10952221B2 (en) | 2021-03-16 |
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