WO2017133646A1 - Procédé et dispositif de configuration de ressources de dispositif à dispositif (d2d) - Google Patents

Procédé et dispositif de configuration de ressources de dispositif à dispositif (d2d) Download PDF

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Publication number
WO2017133646A1
WO2017133646A1 PCT/CN2017/072774 CN2017072774W WO2017133646A1 WO 2017133646 A1 WO2017133646 A1 WO 2017133646A1 CN 2017072774 W CN2017072774 W CN 2017072774W WO 2017133646 A1 WO2017133646 A1 WO 2017133646A1
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Prior art keywords
base station
information
secondary base
discovery
communication
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PCT/CN2017/072774
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English (en)
Chinese (zh)
Inventor
黄莹
高音
陈琳
汪梦珍
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中兴通讯股份有限公司
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Publication of WO2017133646A1 publication Critical patent/WO2017133646A1/fr

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/04—Wireless resource allocation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/20—Control channels or signalling for resource management
    • H04W72/23—Control channels or signalling for resource management in the downlink direction of a wireless link, i.e. towards a terminal
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
    • H04W4/70—Services for machine-to-machine communication [M2M] or machine type communication [MTC]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • 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 the field of communications, and in particular, to a device-to-device D2D resource configuration method and apparatus.
  • the macro base station serves as the only access side network element to provide access services for the UE.
  • the 3GPP introduces a low power node (LPN) as a supplement to the macro base station to provide access services for the UE.
  • LPN low power node
  • the LPN has the features of low-cost, low-power, and easy-to-deploy. It usually has two deployment scenarios: hotspot deployment and enhanced coverage.
  • the LPN may also be referred to as a small base station, including a Home eNode (HeNB), a picocell, and a Radio Remote Unit (RRH). , Relay Node (referred to as RN) and so on.
  • HeNB Home eNode
  • RRH Radio Remote Unit
  • RN Relay Node
  • a hotspot deployment scenario in order to achieve high data rates and spectrum efficiency, a large number of small base stations need to be deployed intensively in the area. However, since the coverage of the small cell under the small base station is small, the probability of a handover failure occurs when the medium and high speed mobile UE passes through the small base station, which affects the service continuity of the UE.
  • a basic base station eg, a macro base station
  • the UE always maintains an RRC connection with the base station, and the small cell only serves as a transmission node (Transmission Point, referred to as For TP) to provide a higher data rate and meet the user's power saving needs.
  • TP Transmission Point
  • the UE maintains a connection with at least two base stations and uses radio resources under the two base stations to implement wireless resource aggregation across nodes.
  • This architecture is generally referred to as a dual connectivity architecture
  • FIG. 1 is a related art.
  • a primary base station (master eNB, abbreviated as MeNB), and a second base station (secondary base station (Secondary eNB) Is SeNB).
  • MeNB master eNB
  • second base station secondary base station
  • SeNB SeNB
  • SeNB can perform a series of management, such as SeNB modification, SeNB deletion, and SeNB modification.
  • D2D Device-to-Device
  • D2D technology usually includes D2D discovery technology and D2D communication technology, wherein D2D discovery technology refers to judgment/ A technique of determining whether the first user equipment is adjacent to the second user equipment.
  • D2D user equipment can discover each other by transmitting or receiving discovery signals/information;
  • D2D communication technology refers to a technology in which some or all communication data between D2D user equipments can communicate directly without using a network infrastructure.
  • the D2D technology can work in the licensed band or the unlicensed band, allowing multiple D2D user equipments (D2D User Equipment, D2D UEs) to be directly connected to the network infrastructure or without network infrastructure.
  • Discovery / direct communication There are three main application scenarios for D2D:
  • FIG. 2 is a schematic diagram of a D2D technology application mode in the related art, as shown in FIG. 2;
  • UE relay transmission in the weak/uncovered area allows UE4 with poor signal quality to communicate with the network through UE3 with network coverage nearby, which can help operators expand coverage and increase capacity. ;
  • the UE when the dual connectivity architecture supports the D2D scenario, the UE only performs RRC signaling interaction with the MeNB. If the MeNB accessed by the UE does not have D2D resources, and the SeNB is configured with D2D resources, Therefore, it is difficult for the UE to be configured with D2D resources. In view of the problem of D2D resource configuration of UEs in the dual connectivity architecture in the related art, there is currently no effective solution.
  • the present invention provides a device-to-device D2D resource configuration method and apparatus, to at least solve the problem of D2D resource configuration of a UE in a dual connectivity architecture in the related art in the related art.
  • a device-to-device D2D resource configuration method including: a primary base station acquiring D2D related information of a secondary base station; and the primary base station transmitting D2D auxiliary information to a user equipment UE according to the D2D related information.
  • the D2D assistance information is used to instruct the UE to perform D2D operation using D2D resources of the secondary base station, where the D2D operation includes: D2D discovery and/or D2D communication and/or D2D relay.
  • the primary base station acquires the D2D-related information of the secondary base station by: the primary base station acquires the D2D-related information of the secondary base station by using an X2 interface; or the primary base station acquires the information through the S1 interface.
  • the D2D-related information of the secondary base station; or the primary base station acquires the D2D-related information of the secondary base station by using the air interface of the UE; or the primary base station acquires the OAM configuration by using the operation management and maintenance The D2D related information of the secondary base station.
  • the D2D related information reported by the UE air interface is obtained by the UE receiving a system message of the secondary base station.
  • the D2D related information includes at least one of: whether to support D2D discovery and/or D2D communication and/or D2D relay information; D2D discovery and/or D2D communication and/or D2D relay resource carrier frequency Information; D2D discovery And/or public land mobile network PLMN information to which the D2D communication and/or D2D relay resources belong; D2D discovery and/or D2D communication and/or D2D relay resource pool and/or synchronization configuration information; the secondary base station is the UE Allocated D2D discovery and/or D2D communication and/or D2D relay resource pool information; D2D discovery and/or D2D communication and/or D2D relay configuration information allocated by the secondary base station to the UE; Synchronization configuration information allocated by the UE.
  • the manner in which the primary base station acquires the D2D-related information of the secondary base station by using the X2 interface includes at least one of the following: the primary base station acquires the D2D correlation of the secondary base station by using an X2 setup request or an X2 setup response message.
  • the primary base station acquires D2D related information of the secondary base station by using a base station configuration update message of the X2 interface; the primary base station acquires D2D related information of the secondary base station by using a secondary base station addition confirmation message or a secondary base station modification request acknowledgement message.
  • the primary base station acquires, by the primary base station, the D2D related information of the secondary base station by using the S1 interface, the primary base station acquiring the D2D related information of the secondary base station by using the MME configuration transmission message of the S1 interface.
  • the acquiring, by the primary base station, the D2D-related information of the secondary base station by using the air interface of the UE includes: obtaining, by the primary base station, the D2D of the secondary base station from the UE by using an RRC measurement report message of the UE air interface or a sidelink UEinformation Related Information.
  • the method further includes: sending, by the primary base station, the sidelink UEinformation received by the UE to the Said base station.
  • the primary base station sends the sidelink UEinformation to the secondary base station by: sending, by the primary base station, the sidelink UEinformation to the secondary base station by using a secondary base station addition request message or a secondary base station modification request message of an X2 interface .
  • the sending, by the primary base station, the D2D auxiliary information to the user equipment UE according to the D2D related information includes at least one of: the primary base station sending, according to the D2D related information, the RRC reconfiguration message to the UE D2D auxiliary information; the primary base station sends the D2D auxiliary information to the UE by using a system message according to the D2D related information.
  • the D2D auxiliary information comprises at least one of: a cell identity list supporting D2D discovery and/or D2D communication and/or D2D relay; D2D discovery and/or D2D communication and/or D2D relay of a neighboring cell; Resource pool information and corresponding cell identification information list; indication information indicating that the SCG cell accessed by the UE supports D2D discovery and/or D2D communication and/or D2D relay; D2D discovery of the cell under the secondary base station and/or Or D2D communication and/or D2D relay resource pool and/or synchronization configuration information; D2D discovery and/or D2D communication and/or D2D relay resource pool information allocated by the secondary base station to the UE; The D2D discovery and/or D2D communication and/or D2D relay resource and configuration information allocated by the UE; the synchronization configuration information allocated by the secondary base station to the UE.
  • a device-to-device D2D resource configuration method including: a user equipment UE receives D2D auxiliary information that is sent by a primary base station according to D2D related information, where the D2D related information is a secondary base station. D2D related information; the UE performs D2D operation according to the D2D auxiliary information by using the D2D resource of the secondary base station, where the D2D operation includes: D2D discovery and/or D2D communication and/or D2D relay.
  • the performing D2D operation by the UE according to the D2D auxiliary information by using the D2D resource of the secondary base station includes: including, in the D2D auxiliary information, a cell that supports D2D discovery and/or D2D communication and/or D2D relay.
  • the UE may automatically detect the cell corresponding to the cell identity information according to the cell identity information, and acquire a system message of the cell corresponding to the cell identity information; in the system message detected by the UE.
  • the D2D resource pool information is included, the UE uses the D2D resource pool for D2D discovery and/or D2D communication and/or D2D relay; or, the system message detected by the UE does not include D2D resource pool information.
  • the UE sends sidelink UE information for requesting D2D resource configuration to the primary base station.
  • the performing, by the UE, the D2D operation by using the D2D resource of the secondary base station according to the D2D auxiliary information including: performing D2D discovery and/or D2D communication and/or D2D relay of a neighboring area in the D2D auxiliary information.
  • the UE may detect the cell corresponding to the cell identity information according to the cell identity information; and the UE detects that the cell is located in the cell corresponding to the cell identity information.
  • the UE performs D2D operation using D2D discovery and/or D2D communication and/or D2D relay resource pool of the cell corresponding to the cell identification information.
  • the performing, by the UE, the D2D operation by using the D2D resource of the secondary base station according to the D2D auxiliary information including: in the D2D auxiliary information, indicating that the SCG cell accessed by the UE supports D2D discovery and
  • the UE detects and receives the system message of the cell under the secondary base station by itself; when the system message includes the D2D resource pool information, the UE uses The D2D resource pool performs D2D discovery and/or D2D communication and/or D2D relay; or the UE sends sidelink UE information for requesting D2D resource configuration to the primary base station.
  • the performing, by the UE, the D2D operation by using the D2D resource of the secondary base station according to the D2D auxiliary information where the D2D auxiliary information is D2D discovery and/or D2D communication of a cell under the secondary base station, and/or a D2D relay resource pool and/or synchronization configuration information; or, the secondary base station allocates D2D discovery and/or D2D communication and/or D2D relay resource pool information for the UE; or, the secondary base station is the UE allocated D2D discovery and/or D2D communication and/or D2D relay resource and configuration information; or, when the secondary base station allocates synchronization configuration information for the UE, the UE uses D2D received from the primary base station The D2D resource configuration information or the D2D resource pool configuration information or the synchronization configuration information of the secondary base station in the auxiliary information is subjected to D2D operation.
  • the D2D auxiliary information is D2D discovery and/or D2D communication of a cell under the
  • the method further includes: receiving, by the UE, the D2D resource or resource pool configuration information that is sent by the primary base station by using an air interface RRC message.
  • the D2D resource or resource pool configuration information is: after the primary base station sends the sidelink UE information received from the UE to the secondary base station by using an X2 interface message, the secondary base station is configured according to the sidelink UE information.
  • the UE performs information about D2D resources or resource pool configuration.
  • a device-to-device D2D resource configuration apparatus which is applied to a primary base station side, and includes: an obtaining module configured to acquire D2D related information of a secondary base station; and a first sending module configured to The D2D related information is sent to the user equipment UE, where the D2D auxiliary information is used to indicate that the UE performs D2D operation by using the D2D resource of the secondary base station, where the D2D operation includes: D2D discovery and / or D2D communication and / or D2D relay.
  • a device-to-device D2D resource configuration apparatus which is applied to a user equipment UE side, and includes: a receiving module, configured to receive D2D auxiliary information that is sent by the primary base station according to D2D related information, where The D2D related information is D2D related information of the secondary base station; the processing module is configured to perform D2D operation according to the D2D auxiliary information according to the D2D resource of the secondary base station, where the D2D operation includes: D2D discovery and/or D2D Communication and / or D2D relay.
  • Another embodiment of the present invention provides a storage medium storing an execution instruction for performing one or a combination of the steps in the foregoing method embodiments.
  • the primary base station first acquires the D2D related information of the secondary base station, and then sends the D2D auxiliary information to the user equipment UE according to the D2D related information to instruct the UE to perform the D2D operation by using the D2D resource of the secondary base station, that is, the first Obtaining D2D resources of the secondary base station, that is, D2D related information, and then transmitting, according to the D2D related information, D2D auxiliary information indicating that the UE uses the D2D resource of the secondary base station to perform D2D operation, thereby solving the D2D resource of the UE in the dual connectivity architecture in the related art.
  • Configuration issues enable D2D operations such as D2D discovery and/or D2D communication and/or D2D relay operations to proceed smoothly.
  • FIG. 1 is a schematic diagram of a dual connectivity architecture in the related art
  • FIG. 2 is a schematic diagram of a D2D technology application mode in the related art
  • FIG. 3 is a flowchart 1 of a method for configuring a device to device D2D resource according to an embodiment of the present invention
  • FIG. 4 is a second flowchart of a method for configuring a device to device D2D resource according to an embodiment of the present invention
  • FIG. 5 is a structural block diagram 1 of a device to device D2D resource configuration apparatus according to an embodiment of the present invention.
  • FIG. 6 is a structural block diagram 2 of a device to device D2D resource configuration apparatus according to an embodiment of the present invention.
  • Figure 7 is a flowchart of a method according to the present alternative embodiment 1;
  • Figure 8 is a flowchart of a method according to the alternative embodiment 2;
  • Figure 10 is a flowchart of a method according to the fourth alternative embodiment.
  • FIG. 11 is a flow chart of a method in accordance with the fifth alternative embodiment.
  • FIG. 3 is a flowchart 1 of a device-to-device D2D resource configuration method according to an embodiment of the present invention. As shown in FIG. 3, the process includes the following steps. step:
  • Step S302 The primary base station acquires D2D related information of the secondary base station.
  • the related information is D2D related information of the D2D resource configured by the secondary base station, and the following relates to related information.
  • Step S304 The primary base station sends the D2D auxiliary information to the user equipment UE according to the D2D related information, where the D2D auxiliary information is used to instruct the UE to perform the D2D operation by using the D2D resource of the secondary base station.
  • the primary base station preferentially obtains the D2D related information of the secondary base station, and further sends the D2D auxiliary information to the user equipment UE according to the D2D related information to instruct the UE to perform the D2D operation by using the D2D resource of the secondary base station, that is, It is said that when the dual connectivity architecture supports the D2D scenario, the D2D resource configured by the secondary base station, that is, the D2D related information, may be obtained, and then the D2D auxiliary information indicating that the UE uses the D2D resource of the secondary base station to perform the D2D operation is sent according to the D2D related information.
  • D2D resource configuration of the UE in the dual connectivity architecture in the related art is solved, so that D2D operations such as D2D discovery and/or D2D communication and/or D2D relay operation can be smoothly performed.
  • the manner in which the primary base station involved in the step S302 obtains the D2D-related information of the secondary base station in the following manner may be implemented as follows: the primary base station acquires the secondary base station through the X2 interface. D2D-related information; or, the primary base station acquires the D2D-related information of the secondary base station through the S1 interface; or the primary base station obtains the D2D-related information of the secondary base station by reporting the air interface of the UE; or the primary base station obtains the time by operating the OAM configuration. D2D related information of the base station.
  • the D2D related information reported by the UE air interface mentioned above is carried in the system message sent by the secondary base station to the UE.
  • the manner in which the primary base station obtains the D2D-related information of the secondary base station by using the X2 interface includes the following: at least one of the following: the primary base station acquires the D2D-related information of the secondary base station by using an X2 interface setup request or an X2 interface setup response message; The base station acquires D2D related information of the secondary base station by using a base station configuration update message; the primary base station acquires D2D related information of the secondary base station by using the secondary base station addition confirmation message or the secondary base station modification request acknowledgement message.
  • the primary base station can obtain the secondary base station by using the MME configuration transmission message of the S1 interface.
  • D2D related information In a specific application scenario, the method may be that the primary base station acquires D2D related information of the secondary base station from the UE by using an RRC measurement report message or a sidelink UE information message of the UE air interface.
  • the method in this embodiment may further include: the primary base station sends the sidelink UE information received by the UE to the secondary base station by using an X2 interface.
  • the primary base station sends the sidelink UE information to the secondary base station in the following manner: the primary base station sends the sidelink UE information to the secondary base station through the secondary base station addition request message or the secondary base station modification request message of the X2 interface.
  • the D2D related information involved in this embodiment may include at least one of: whether to support D2D discovery and/or D2D communication and/or D2D relay information; D2D discovery and/or carrier information of D2D communication and/or D2D relay resources; D2D discovery and/or D2D communication and/or public land mobile network PLMN information to which D2D relay resources belong; D2D discovery and/or D2D communication and/or Or D2D relay resource pool and/or synchronization configuration information; D2D discovery and/or D2D communication and/or D2D relay resource pool information allocated by the secondary base station to the UE; D2D discovery and/or D2D communication and allocation of the secondary base station to the UE / or D2D relay configuration information; synchronization configuration information assigned by the secondary base station to the UE.
  • the manner in which the primary base station in the step S304 in the embodiment sends the D2D auxiliary information to the user equipment UE according to the D2D related information may be implemented in at least one of the following manners: the primary base station according to the D2D The related information sends the D2D auxiliary information to the UE through the RRC reconfiguration message; or the primary base station sends the D2D auxiliary information to the UE through the system message according to the D2D related information.
  • a cell identifier list supporting D2D discovery and/or D2D communication and/or D2D relay D2D discovery of the neighboring area and/or D2D communication and/or Or D2D relay resource pool information and corresponding cell identification information list; indication information indicating that the SCG cell accessed by the UE supports D2D discovery and/or D2D communication and/or D2D relay; D2D discovery of the cell under the secondary base station And/or D2D communication and/or D2D relay resource pool and/or synchronization configuration information; D2D discovery and/or D2D communication and/or D2D relay resource pool information allocated by the secondary base station to the UE; D2D allocated by the secondary base station to the UE Discovery and/or D2D communication and/or D2D relay resources and configuration information; synchronization configuration information assigned by the secondary base station to the UE.
  • FIG. 4 is a method according to the present invention.
  • Flowchart 2 of the device-to-device D2D resource configuration method of the embodiment, as shown in FIG. 4, includes:
  • Step S402 The user equipment UE receives the D2D auxiliary information that is sent by the primary base station according to the D2D related information, where the D2D related information is the D2D related information of the secondary base station;
  • Step S404 The UE performs D2D operation by using D2D resources of the secondary base station according to the D2D auxiliary information.
  • step S404 of the present embodiment performs the D2D operation by using the D2D resources of the secondary base station according to the D2D auxiliary information
  • D2D auxiliary information may be implemented as follows:
  • Step S404-1 In the case that the D2D auxiliary information includes a cell identity list supporting D2D discovery and/or D2D communication and/or D2D relay, the UE may automatically detect the cell corresponding to the cell identity information according to the cell identity information, and obtain and a system message of a cell corresponding to the cell identity information;
  • Step S404-2 When the D2D resource pool information is included in the system message detected by the UE, the UE performs D2D discovery and/or D2D communication and/or D2D relay using the D2D resource pool; or, the system detected by the UE When the message does not include D2D resource pool information, and the detected cell is a cell under the secondary base station, the UE sends a request to the primary base station for requesting D2D.
  • the sidelink UE information of the resource configuration When the message does not include D2D resource pool information, and the detected cell is a cell under the secondary base station, the UE sends a request to the primary base station for requesting D2D.
  • the manner in which the UE involved in step S404 in the embodiment performs the D2D operation by using the D2D resource of the secondary base station according to the D2D auxiliary information may be implemented as follows:
  • Step S404-3 In the case that the D2D auxiliary information includes the D2D discovery of the neighboring cell and/or the information of the D2D communication and/or the D2D relay resource pool and the corresponding cell identity information list, the UE may detect and detect according to the cell identity information. a cell corresponding to the cell identification information;
  • Step S304-4 When the UE detects that it is located within the cell coverage corresponding to the cell identity information, the UE performs D2D operation by using D2D discovery and/or D2D communication and/or D2D relay resource pool of the cell corresponding to the cell identity information.
  • the manner in which the UE in step S404 in the embodiment performs the D2D operation by using the D2D resource of the secondary base station according to the D2D auxiliary information may be implemented as follows:
  • Step S404-5 In the case that the D2D auxiliary information includes indication information indicating that the SCG cell accessed by the UE supports D2D discovery and/or D2D communication and/or D2D relay, the UE detects and receives the cell under the secondary base station by itself.
  • Step S404-6 When the D2D resource pool information is included in the system message, the UE uses the D2D resource pool for D2D discovery and/or D2D communication and/or D2D relay; or, the UE sends a request for requesting D2D resource configuration to the primary base station. Sidelink UE information.
  • the step S304 of the embodiment is related to the manner in which the UE performs the D2D operation by using the D2D resource of the secondary base station according to the D2D auxiliary information, and may also be: the D2D auxiliary information is the secondary base station.
  • D2D discovery and/or D2D communication resource pool and/or synchronization configuration information of the cell or D2D discovery and/or D2D communication and/or D2D relay resource pool information allocated by the secondary base station to the UE; or The D2D discovery and/or D2D communication and/or D2D relay resource and configuration information allocated by the secondary base station to the UE; or, when the secondary base station allocates synchronization configuration information for the UE, the UE uses the D2D auxiliary information received from the primary base station.
  • the D2D resource configuration information of the base station or the D2D resource pool configuration information or the synchronization configuration information is subjected to D2D operation.
  • the method in this embodiment may further include: the UE receiving the D2D resource or resource pool configuration that is sent by the primary base station by using the air interface RRC message.
  • the information, where the D2D resource or the resource pool configuration information is: after the primary base station sends the sidelink UE information received from the UE to the secondary base station by using the X2 interface message, the secondary base station configures the D2D resource or the resource pool for the UE according to the sidelink UE information. information.
  • the method according to the above embodiment can be implemented by means of software plus a necessary general hardware platform, and of course, by hardware, but in many cases, the former is A better implementation.
  • the technical solution of the present invention which is essential or contributes to the prior art, may be embodied in the form of a software product stored in a storage medium (such as ROM/RAM, disk,
  • the optical disc includes a number of instructions for causing a terminal device (which may be a cell phone, a computer, a server, or a network device, etc.) to perform the methods of various embodiments of the present invention.
  • a device-to-device D2D resource configuration device is also provided, which is used to implement the above-mentioned embodiments and preferred embodiments, and has not been described again.
  • the term “module” may implement a combination of software and/or hardware of a predetermined function.
  • the apparatus described in the following embodiments is preferably implemented in software, hardware, or a combination of software and hardware, is also possible and contemplated.
  • FIG. 5 is a structural block diagram of a device-to-device D2D resource configuration apparatus according to an embodiment of the present invention.
  • the device is applied to a primary base station side.
  • the apparatus includes: an obtaining module 52, configured to acquire a secondary base station.
  • the D2D-related information is coupled to the acquisition module 52, and is configured to send the D2D auxiliary information to the user equipment UE according to the D2D related information, where the D2D auxiliary information is used to instruct the UE to perform the D2D operation by using the D2D resource of the secondary base station. .
  • the acquiring module 52 may obtain the D2D related information of the secondary base station by using the following manner: the primary base station acquires the D2D related information of the secondary base station through the X2 interface, or the primary base station acquires the D2D related information of the secondary base station through the S1 interface. Alternatively, the primary base station obtains the D2D-related information of the secondary base station by reporting the air interface of the UE; or the primary base station acquires the D2D-related information of the secondary base station by operating the OAM configuration.
  • the D2D related information reported by the UE on the air interface is carried in a system message sent by the secondary base station to the UE.
  • the obtaining module 42 in the embodiment obtains the D2D related information of the secondary base station through the X2 interface
  • the obtaining module 42 may implement the method by at least one of the following:
  • Manner 1 Obtain D2D related information of the secondary base station by using an X2 interface setup request or an X2 interface setup response message.
  • Manner 2 obtaining D2D related information of the secondary base station by using a base station configuration update message
  • Manner 3 Obtain D2D related information of the secondary base station by adding a confirmation message or a secondary base station modification request acknowledgement message.
  • the acquiring module 52 obtains the D2D related information of the secondary base station by using the MME configuration transmission message of the S1 interface.
  • the acquiring module 42 acquires the D2D related information of the secondary base station from the UE by using the RRC measurement report message or the sidelink UE information message of the UE air interface.
  • the apparatus in this embodiment may further include: a second sending module, configured to send the sidelink UE information received from the UE to the secondary through the X2 interface.
  • the second sending module sends the sidelink UE information to the secondary base station by sending the sidelink UE information to the secondary base station through the secondary base station add request message or the secondary base station modification request message of the X2 interface.
  • the D2D related information involved in this embodiment includes at least one of whether to support D2D discovery and/or D2D communication and/or D2D relay information; D2D discovery and/or D2D communication and/or D2D. Carrier frequency information to which the relay resource belongs; D2D discovery and/or D2D communication and/or public land mobile network PLMN information to which the D2D relay resource belongs; D2D discovery and/or D2D communication and/or D2D relay resource pool and/or synchronization configuration Information; D2D assigned by the secondary base station to the UE Discovery and/or D2D communication and/or D2D relay resource pool information; D2D discovery and/or D2D communication and/or D2D relay configuration information allocated by the secondary base station to the UE; synchronization configuration information allocated by the secondary base station to the UE.
  • the first sending module 54 in this embodiment may further include: a first sending unit, configured to send D2D auxiliary information to the UE by using an RRC reconfiguration message according to the D2D related information; or, the second sending unit is configured to The D2D auxiliary information is sent to the UE through the system message according to the D2D related information.
  • a first sending unit configured to send D2D auxiliary information to the UE by using an RRC reconfiguration message according to the D2D related information
  • the second sending unit is configured to The D2D auxiliary information is sent to the UE through the system message according to the D2D related information.
  • the D2D auxiliary information involved in this embodiment may include at least one of: a cell identity list supporting D2D discovery and/or D2D communication and/or D2D relay; D2D discovery and/or D2D communication and/or D2D of a neighboring cell; a relay resource pool information and a corresponding cell identification information list; an indication information indicating that the SCG cell accessed by the UE supports D2D discovery and/or D2D communication and/or D2D relay; and D2D discovery of the cell under the secondary base station and/or Or D2D communication and/or D2D relay resource pool and/or synchronization configuration information; D2D discovery and/or D2D communication and/or D2D relay resource pool information allocated by the secondary base station to the UE; D2D discovery and allocation allocated by the secondary base station to the UE / or D2D communication and / or D2D relay resources and configuration information; synchronization configuration information assigned by the secondary base station to the UE.
  • FIG. 6 is a structural block diagram 2 of a device to device D2D resource configuration apparatus according to an embodiment of the present invention.
  • the device is applied to a user equipment UE side.
  • the apparatus includes: a receiving module 62 configured to receive a primary base station.
  • the D2D auxiliary information is sent according to the D2D related information, where the D2D related information is D2D related information of the secondary base station;
  • the processing module 64 is coupled to the receiving module 62, and is configured to perform D2D operation by using the D2D resource of the secondary base station according to the D2D auxiliary information.
  • the processing module 64 includes, in an optional implementation manner of this embodiment, a first processing unit, configured to include, in the D2D auxiliary information, a cell identifier that supports D2D discovery and/or D2D communication and/or D2D relay.
  • a cell identifier that supports D2D discovery and/or D2D communication and/or D2D relay.
  • the cell corresponding to the cell identity information may be self-detected according to the cell identity information, and the system message of the cell corresponding to the cell identity information may be acquired.
  • the second processing unit is configured to include the D2D resource in the system message detected by the UE.
  • the UE uses the D2D resource pool for D2D discovery and/or D2D communication and/or D2D relay; or, the system message detected by the UE does not include the D2D resource pool information, and the detected cell is the second.
  • the cell under the base station transmits the sidelink UE information for requesting D2D resource configuration to the primary base station.
  • the processing module 64 may further include: in an optional implementation manner of this embodiment, the third processing unit is configured to include D2D discovery and/or D2D communication and/or D2D in the neighboring area in the D2D auxiliary information.
  • the cell corresponding to the cell identification information may be self-detected according to the cell identity information; and the fourth processing unit is configured to detect, in the UE, the cell coverage corresponding to the cell identity information.
  • D2D operation is performed using D2D discovery and/or D2D communication and/or D2D relay resource pool of the cell corresponding to the cell identification information.
  • the processing module 64 may further include: a fifth processing unit, configured to include, in the D2D auxiliary information, the SCG cell that is used by the UE to support the D2D discovery and/or Or, in the case of the indication information of the D2D communication and/or the D2D relay, the system message of the cell under the secondary base station is detected and received by itself; the sixth processing unit is configured to use the D2D resource pool when the system message includes the D2D resource pool information. D2D discovery and/or D2D communication and/or D2D relay; or sending sidelink UE information for requesting D2D resource configuration to the primary base station.
  • a fifth processing unit configured to include, in the D2D auxiliary information, the SCG cell that is used by the UE to support the D2D discovery and/or Or, in the case of the indication information of the D2D communication and/or the D2D relay, the system message of the cell under the secondary base station is detected and received by itself
  • the sixth processing unit is configured to use the D2D resource
  • the processing module 64 may further include: a seventh processing unit, configured in the optional implementation manner of this embodiment.
  • a seventh processing unit configured in the optional implementation manner of this embodiment.
  • the secondary base station For D2D discovery and/or D2D communication and/or D2D relay resource pool and/or synchronization configuration information of the cell under the D2D auxiliary information; or, the secondary base station allocates D2D discovery and/or D2D communication for the UE and/or Or D2D relay resource pool information; or D2D discovery and/or D2D communication and/or D2D relay resource and configuration information allocated by the secondary base station to the UE; or, when the secondary base station allocates synchronization configuration information for the UE, the slave master is used.
  • the D2D resource configuration information or the D2D resource pool configuration information or the synchronization configuration information of the secondary base station in the D2D auxiliary information received by the base station performs D2D operation.
  • the apparatus in this embodiment may further include: a second receiving module, configured to receive the D2D resource or resource pool configuration that is sent by the primary base station by using the air interface RRC message.
  • the information, where the D2D resource or the resource pool configuration information is: after the primary base station sends the sidelink UE information received from the UE to the secondary base station by using the X2 interface message, the secondary base station configures the D2D resource or the resource pool for the UE according to the sidelink UE information. information.
  • each of the above modules may be implemented by software or hardware.
  • the foregoing may be implemented by, but not limited to, the foregoing modules are all located in the same processor; or, the modules are located in multiple In the processor.
  • FIG. 7 is a flowchart of a method according to the present optional embodiment. As shown in FIG. 7, the steps of the method in this alternative embodiment include:
  • Step S701 the MeNB obtains D2D related information of the SeNB through X2 interaction;
  • the MeNB may perform the D2D related information in the system message of the cell in the vicinity of the small base station (including the SeNB of the UE) in the vicinity or in the coverage through the X2 interface.
  • the D2D related information may include at least one of the following:
  • the MeNB may obtain D2D related information in a system message of a cell in the vicinity of the small base station (including the SeNB of the UE) in the vicinity or its coverage by means of S1 interface interaction or OAM configuration.
  • Step S702 the UE receives the D2D resource pool information of the neighboring cell or the SeNB cell from the MeNB cell.
  • the MeNB may broadcast the D2D resource pool configuration information of the neighboring base station and the corresponding cell identifier list. If the UE has obtained the D2D resource pool configuration information of the SeNB, and the MeNB has obtained the D2D resource pool configuration information of the SeNB, the MeNB may broadcast the D2D resource pool configuration information of the SeNB through the system message. MeNB The D2D resource pool configuration information of the SeNB cell may also be sent to the UE through RRC dedicated signaling (eg, RRC reconfiguration message).
  • RRC dedicated signaling eg, RRC reconfiguration message
  • Step S703 the UE uses a neighboring cell or a SeNB cell D2D resource pool obtained from the MeNB;
  • the UE may use the D2D resource pool for D2D operation (D2D discovery and/or D2D communication and/or D2D relay).
  • D2D discovery and/or D2D communication and/or D2D relay the D2D resource pool for D2D operation
  • the UE may detect the neighboring cell by itself, and if the UE detects that it is in the coverage of a neighboring cell, the UE may use the The corresponding D2D resource pool of the cell performs D2D operation.
  • the optional embodiment describes a method for the UE to obtain the cell D2D resource pool information under the SeNB by receiving the SeNB system message.
  • FIG. 8 is a flowchart of a method according to the second embodiment. As shown in FIG. 8, the method steps of the optional embodiment include:
  • Step S801 the MeNB obtains D2D related information of the SeNB through X2 interaction;
  • the MeNB may perform the D2D related information in the system message of the cell in the vicinity of the small base station (including the SeNB of the UE) in the vicinity or in the coverage through the X2 interface.
  • the D2D related information may include at least one of the following:
  • the manner of obtaining the D2D related information in the optional embodiment may be that the MeNB may obtain the small base station (including the SeNB of the UE) in the vicinity or its coverage by means of S1 interface interaction or OAM configuration. D2D related information in the system message of the cell.
  • Step S802 the MeNB sends the neighboring cell to support the D2D cell information or the SCG supports the D2D indication information to the UE;
  • the MeNB may broadcast and send a list of cell identification information supporting D2D in the neighboring cell in the system message.
  • the MeNB may indicate to the UE that the SCG cell to which it accesses supports D2D through RRC dedicated signaling (eg, RRC reconfiguration message).
  • Step S803 the UE receives D2D resource pool information in the SeNB cell system message.
  • the SCG cell accessed by the UE includes the cell identifier that supports the D2D sent by the MeNB.
  • the UE itself receives the system message of the SCG cell under the SeNB.
  • the MeNB broadcasts and transmits a cell identity information list supporting D2D in the neighboring cell in the system message, and the UE has not accessed through the dual connectivity mode, The UE may detect and receive the D2D-supported cell system message indicated by the MeNB. If the MeNB indicates to the UE that the SCG cell it accesses supports D2D, the UE itself receives the system message of the SCG cell under the SeNB.
  • Step S804 the UE uses the D2D resource pool in the SeNB cell system message.
  • the UE may use the D2D resource pool to perform D2D operation. Or, if the system message of the SCG cell of the neighboring cell or the accessed SeNB of the UE does not include the D2D resource pool information, the UE sends a sidelink UE inforamtion message to the MeNB to request the D2D resource;
  • FIG. 9 is a flowchart of a method according to the third embodiment. As shown in FIG. 9, the steps of the method in the optional embodiment include:
  • Step S901 the MeNB obtains D2D related information of the SeNB through X2 interaction;
  • the MeNB may perform the D2D related information in the system message of the cell in the vicinity of the small base station (including the SeNB of the UE) in the vicinity or in the coverage through the X2 interface.
  • the D2D related information may include at least one of the following:
  • the MeNB may obtain the D2D related information in the system message of the cell in the vicinity or the small cell in the coverage (including the SeNB of the UE) in the manner of the S1 interface interaction or the OAM configuration.
  • Step S902 the UE sends a sidelink UEinformation message to the MeNB.
  • the system message of the MeNB and the SeNB does not include the D2D resource pool information of the cell in the neighboring cell or the SeNB.
  • the system message of the MeNB includes only the cell identity information list supporting the D2D in the neighboring cell, or the MeNB passes the RRC.
  • the proprietary signaling eg, RRC reconfiguration message
  • the UE sends a sidelink UEinformation message to the MeNB to request the D2D resource.
  • Step S903 The MeNB has obtained the D2D resource pool information of the neighboring cell or the SeNB cell through the X2 interface interaction, and the MeNB may pass the D2D resource pool information of the neighboring cell or the SeNB cell by using an RRC message (for example, RRC connection reconfiguration or RRCConnectionReconfiguration). Send to the UE.
  • RRC message for example, RRC connection reconfiguration or RRCConnectionReconfiguration
  • FIG. 10 is a flowchart of a method according to the fourth embodiment. As shown in FIG. 10, the method steps of the optional embodiment include:
  • Step S1000 The MeNB may perform, by using an X2 interface, the D2D related information in the system message of the cell in the vicinity of the small base station (including the SeNB of the UE) in the vicinity or in the coverage;
  • the D2D related information may include at least one of the following:
  • Step S1001 The UE sends a side-link user information sidelink UEinformation message to the MeNB.
  • the system message of the MeNB and the SeNB does not include the D2D resource pool information of the cell in the neighboring cell or the SeNB.
  • the system message of the MeNB includes only the cell identity information list supporting the D2D in the neighboring cell, or the MeNB passes the RRC.
  • the proprietary signaling eg, RRC reconfiguration message
  • the UE sends a sidelink UEinformation message to the MeNB to request the D2D resource.
  • step S1002 the MeNB sends the information in the sidelink UEinformation message received by the UE to the SeNB.
  • Step S1003 The SeNB performs D2D resource configuration for the UE according to the sidelink UEinformation information received from the MeNB.
  • the SeNB sends the D2D resource pool and related configuration information allocated to the UE to the MeNB through the X2 interface message if the SeNB configures the UE with the contention of the UE's autonomously selected resource. If the SeNB configures the UE to use the dynamic scheduling The SeNB allocates the SL-RNTI to the UE, and the SC resource pool and related configuration information are sent to the MeNB through the X2 interface message.
  • Step S1004 The MeNB sends the resource configuration information received by the SeNB to the UE by using RRC dedicated signaling (for example, an RRC reconfiguration message);
  • RRC dedicated signaling for example, an RRC reconfiguration message
  • the resource configuration information may be a D2D resource pool and related configuration information that the SeNB will allocate for the UE, or an SL-RNTI, an SC resource pool, and related configuration information.
  • Step S1005 The UE sends an SR to the SeNB to request the BSR to send the resource.
  • the UE determines, according to the resource configuration information received from the MeNB, that the SeNB is configured for the UE, the non-contention resource acquisition mode is dynamically scheduled; the resource configuration information that the SeNB receives from the MeNB for the UE is the SL-RNTI, the SC resource pool and Related configuration information, when the UE wants to send D2D data, if there is no BSR resource, the UE sends the SR to the SeNB.
  • the resource is requested to be sent by the BSR.
  • step S1006 the SeNB allocates an uplink resource for transmitting the D2D BSR to the UE and sends the uplink resource to the UE.
  • Step S1007 The UE sends a BSR for requesting D2D to send a resource to the SeNB.
  • Step S1008 The SeNB performs D2D resource scheduling for the UE, and sends the allocated resource and related configuration information to the UE by using the SL-RNTI scrambled UL-grant of the UE.
  • FIG. 11 is a flowchart of a method according to the fifth embodiment. As shown in Figure 11, the method steps of the alternative embodiment include:
  • Step S1101 The MeNB may perform, by using an X2 interface, the D2D related information in the system message of the cell under the small base station in the vicinity or the coverage thereof.
  • the D2D related information may include at least one of the following:
  • the system message of the MeNB does not include the D2D resource pool information of the neighboring cell. For example, if the system message of the MeNB includes only the cell identity information list supporting the D2D in the neighboring cell, the UE sends a sidelink UEinformation message to the MeNB to request the D2D. Resources.
  • Step S1103 After receiving the sidelink UEinformation message sent by the UE, the MeNB configures, for the UE, measurement for the D2D-capable cell in the neighboring cell, and sends the measurement configuration information to the UE by using an RRC reconfiguration message.
  • Step S1104 The UE performs corresponding RRM measurement on the D2D-capable cell in the neighboring cell according to the measurement information configured by the MeNB, and sends the measurement report to the MeNB by using an RRC message when the measurement reporting condition is met.
  • Step S1105 The MeNB determines, according to the measurement report sent by the UE, the base station that is suitable to serve as the SeNB of the UE, and initiates an SeNB adding process to the candidate SeNB, that is, sends an SeNB Add Request message to the candidate SeNB.
  • the message may include a sidelink UEinformation message received by the MeNB from the UE.
  • Step S1106 The candidate SeNB accepts the SeNB adding process, and then returns an SeNB to add an acknowledgement message to the MeNB.
  • the message may include D2D resource configuration information allocated by the SeNB for the UE. If the SeNB configures the UE with the UE's autonomous resource selection mode, the D2D resource configuration information includes the D2D resource pool allocated by the SeNB for the UE and related configuration information; if the SeNB configures the UE to use the dynamically scheduled non-competitive resource allocation mode, The D2D resource configuration information includes the SL-RNTI allocated by the SeNB for the UE, the SC resource pool, and related configuration information.
  • step S1107 the MeNB sends an RRC reconfiguration message to the UE, where the message may include D2D resource configuration information that the SeNB receives from the SeNB for the UE.
  • Step S1108 The UE sends an RRC reconfiguration complete message to the MeNB.
  • Step S1109 After receiving the RRC reconfiguration complete message sent by the UE, the MeNB sends an SeNB reconfiguration complete message to the SeNB.
  • Embodiments of the present invention also provide a storage medium.
  • the foregoing storage medium may be configured to store program code for performing the following steps:
  • the primary base station acquires D2D related information of the secondary base station
  • the primary base station sends the D2D auxiliary information to the user equipment UE according to the D2D related information, where the D2D auxiliary information is used to instruct the UE to perform the D2D operation by using the D2D resource of the secondary base station;
  • modules or steps of the present invention described above can be implemented by a general-purpose computing device that can be centralized on a single computing device or distributed across a network of multiple computing devices. Alternatively, they may be implemented by program code executable by the computing device such that they may be stored in the storage device by the computing device and, in some cases, may be different from the order herein.
  • the steps shown or described are performed, or they are separately fabricated into individual integrated circuit modules, or a plurality of modules or steps thereof are fabricated as a single integrated circuit module.
  • the invention is not limited to any specific combination of hardware and software.
  • the device-to-device D2D resource configuration method and apparatus have the following beneficial effects: the problem of D2D resource configuration of the UE in the dual-connection architecture in the related art is solved, so that D2D operations, such as D2D, are implemented. Discovery and/or D2D communication and/or D2D relay operations can proceed smoothly.

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Abstract

La présente invention concerne un procédé et un dispositif pour configurer des ressources de dispositif à dispositif (D2D). Le procédé comprend les étapes suivantes : une station de base principale obtient des informations D2D d'une station de base secondaire ; la station de base principale envoie des informations auxiliaires D2D à un équipement utilisateur (UE) selon les informations D2D, les informations auxiliaires D2D étant utilisées pour commander à l'UE d'exécuter une opération D2D en utilisant des ressources D2D de la station de base secondaire, l'opération D2D comprenant la découverte D2D et/ou la communication D2D et/ou le relais D2D. La présente invention résout le problème dans l'état de la technique connexe sur la configuration de ressources D2D d'un UE dans une architecture de connexion double, de sorte qu'une opération D2D, telle que la découverte D2D, la communication D2D et/ou une opération de relais D2D, s'effectue en douceur.
PCT/CN2017/072774 2016-02-04 2017-01-26 Procédé et dispositif de configuration de ressources de dispositif à dispositif (d2d) WO2017133646A1 (fr)

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