WO2017133646A1 - 设备到设备d2d资源的配置方法及装置 - Google Patents

设备到设备d2d资源的配置方法及装置 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)
French (fr)
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/zh

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    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W72/00Local resource management
    • H04W72/04Wireless resource allocation
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W72/00Local resource management
    • H04W72/20Control channels or signalling for resource management
    • H04W72/23Control channels or signalling for resource management in the downlink direction of a wireless link, i.e. towards a terminal
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W4/00Services specially adapted for wireless communication networks; Facilities therefor
    • H04W4/70Services for machine-to-machine communication [M2M] or machine type communication [MTC]
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W72/00Local resource management
    • H04W72/20Control channels or signalling for resource management
    • H04W72/27Control 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

本发明提供了一种设备到设备D2D资源的配置方法及装置,其中,该方法包括:主基站获取次基站的D2D相关信息;主基站根据D2D相关信息向用户设备UE发送D2D辅助信息,其中,D2D辅助信息用于指示UE使用次基站的D2D资源进行D2D操作,其中,D2D操作包括以下至少之一:D2D发现、D2D通信、D2D中继。通过本发明,解决了相关技术中双连接架构下UE的D2D资源配置的问题,使得D2D操作,如D2D发现和/或D2D通信和/或D2D中继操作能顺利进行。

Description

设备到设备D2D资源的配置方法及装置 技术领域
本发明涉及通信领域,具体而言,涉及一种设备到设备D2D资源的配置方法及装置。
背景技术
随着无线多媒体业务的发展,人们对高数据速率和用户体验的需求日益增长,从而对传统蜂窝网络的***容量和覆盖提出了较高要求。在传统LTE蜂窝网络中,宏基站作为唯一的接入侧网元为UE提供接入服务。而为了满足用户对较高数据速率的需求并提高蜂窝网络频谱效率,3GPP引入了低功率节点(Lower Power Node,简称为LPN)作为宏基站的补充为UE提供接入服务。LPN具有低成本,低功率,方便部署等特点,通常有热点部署和增强覆盖两种部署场景,能有效的提高室内或室外热点区域高速率数据业务的数据速率,改善边远地区或小区边缘覆盖。通常LPN也可称为小基站,包括家庭基站(Home eNode,简称为HeNB),微微基站(picocell),射频拉远单元/头(Radio Remote Unit,简称为RRU/Remote Radio Head,简称为RRH),中继节点(Relay Node,简称为RN)等。在热点部署场景下,为了达到较高的数据速率和频谱效率,需要在区域内密集大量部署小基站。但是,由于小基站下小小区(small cell)的覆盖范围较小,中高速移动UE穿过小基站时发生切换失败的概率增大,影响UE服务连续性。为了提升引入small cell后的UE移动性能,业内提出由某个基站(如,宏基站)保证基本覆盖,UE总是与该基站保持RRC连接,而small cell只做为传输节点(Transmission Point,简称为TP)以提供更高数据率并满足用户节电需求的方法。这种***架构下,UE至少与两个基站保持连接并使用两个基站下的无线资源,可以实现跨节点的无线资源聚合,这种架构通常称为双连接架构,图1是相关技术中双连接架构示意图,如图1所示,UE连接的两个基站中具有一定管理控制能力的通常称为主基站(master eNB,简称为MeNB),另一个基站则称为次基站(Secondary eNB,简称为SeNB)。当UE接入MeNB后,可以通过SeNB添加流程实现双连接,SeNB添加成功后可对该SeNB进行一系列的管理,如SeNB修改、SeNB删除,SeNB更改等。
另外,随着无线多媒体业务的发展,人们对高数据速率和用户体验的需求日益增长,从而对传统蜂窝网络的***容量和覆盖提出了较高要求。另一方面公共安全、社交网络、近距离数据共享、本地广告等应用场景使得人们对了解附近人或事物并与之通信邻近服务(Proximity Services,简称为PS)的需求逐渐增加。传统的以基站为中心的蜂窝网络在高数据速率以及邻近服务的支持方面存在明显的局限性,在这种需求背景下,代表未来通信技术发展新方向的设备到设备(Device-to-Device,简称为D2D)技术应运而生。D2D技术的应用,可以减轻蜂窝网络的负担、减少用户设备的电池功耗、提高数据速率,并改善网络基础设施的鲁棒性,很好地满足上述高数据速率业务和邻近服务的要求。
D2D技术通常包括D2D发现技术和D2D通信技术,其中,D2D发现技术是指用于判断/ 确定第一用户设备是否邻近第二用户设备的技术。通常,D2D用户设备间可通过发送或接收发现信号/信息来发现对方;D2D通信技术是指D2D用户设备之间部分或全部通信数据可以不通过网络基础设施而直接进行通信的技术。D2D技术可以工作在授权频段或非授权频段,允许多个支持D2D功能的用户设备即D2D用户设备(D2D User Equipment,简称为D2D UE)在有网络基础设施或无网络基础设施的情况下进行直接发现/直接通信。D2D的应用场景主要有三种:
1)UE1和UE2在蜂窝网络的覆盖下进行数据交互,用户面数据不经过网络基础设施,图2是相关技术中D2D技术应用模式示意图,如图2的模式1;
2)在弱/无覆盖区域的UE中继传输,如图2中的模式2,允许信号质量较差的UE4通过附近有网络覆盖的UE3与网络进行通信,能帮助运营商扩展覆盖、提高容量;
3)在发生地震或紧急情况,蜂窝网络不能正常工作的情况下,允许设备间直接通信,如图2中的模式3,UE5,UE6和UE7间控制面和用户面都不经过网络基础设施而进行一跳或多跳的数据通信。
基于双连接以及D2D技术的以上特点和优势,在双连接架构支持D2D的场景时,UE只与MeNB进行RRC信令交互,若UE所接入的MeNB没有D2D资源,而SeNB配置有D2D资源,则UE难以被配置D2D资源。针对相关技术中双连接架构下UE的D2D资源配置的问题,目前尚未存在有效的解决方案。
发明内容
本发明提供了一种设备到设备D2D资源的配置方法及装置,以至少解决相关技术中相关技术中双连接架构下UE的D2D资源配置的问题。
根据本发明的一个方面,提供了一种设备到设备D2D资源的配置方法,包括:主基站获取次基站的D2D相关信息;所述主基站根据所述D2D相关信息向用户设备UE发送D2D辅助信息,其中,所述D2D辅助信息用于指示所述UE使用所述次基站的D2D资源进行D2D操作,其中,所述D2D操作包括:D2D发现和/或D2D通信和/或D2D中继。
可选地,所述主基站通过以下方式获取次基站的D2D相关信息:所述主基站通过X2接***互获取所述次基站的所述D2D相关信息;或者,所述主基站通过S1接***互获取所述次基站的所述D2D相关信息;或者,所述主基站通过所述UE空口上报获取所述次基站的所述D2D相关信息;或者,所述主基站通过操作管理维护OAM配置的方式获取所述次基站的所述D2D相关信息。
可选地,所述UE空口上报的所述D2D相关信息通过所述UE接收所述次基站的***消息获得。
可选地,所述D2D相关信息包括以下至少之一:是否支持D2D发现和/或D2D通信和/或D2D中继的信息;D2D发现和/或D2D通信和/或D2D中继资源所属载频信息;D2D发现 和/或D2D通信和/或D2D中继资源所属公共陆地移动网络PLMN信息;D2D发现和/或D2D通信和/或D2D中继资源池和/或同步配置信息;所述次基站为所述UE分配的D2D发现和/或D2D通信和/或D2D中继资源池信息;所述次基站为所述UE分配的D2D发现和/或D2D通信和/或D2D中继配置信息;所述次基站为所述UE分配的同步配置信息。
可选地,所述主基站通过X2接***互获取所述次基站的D2D相关信息的方式包括以下至少之一:所述主基站通过X2建立请求或X2建立响应消息获取所述次基站的D2D相关信息;所述主基站通过X2接口的基站配置更新消息获取所述次基站的D2D相关信息;所述主基站通过次基站添加确认消息或次基站修改请求确认消息获取所述次基站的D2D相关信息。
可选地,所述主基站通过所述S1接***互获取所述次基站的D2D相关信息包括:所述主基站通过所述S1接口的MME配置传输消息获取所述次基站的D2D相关信息。
可选地,所述主基站通过所述UE空口上报获取所述次基站的D2D相关信息包括:所述主基站通过所述UE空口的RRC测量报告消息或sidelinkUEinformation从UE获取所述次基站的D2D相关信息。
可选地,在所述主基站通过所述X2接***互获取所述次基站的D2D相关信息之前,所述方法还包括:所述主基站通过X2接口将从所述UE接收的sidelinkUEinformation发送给所述次基站。
可选地,所述主基站通过以下方式将所述sidelinkUEinformation发送给所述次基站:所述主基站通过X2接口的次基站添加请求消息或次基站修改请求消息发送所述sidelinkUEinformation给所述次基站。
可选地,所述主基站根据所述D2D相关信息向用户设备UE发送D2D辅助信息包括以下至少之一:所述主基站根据所述D2D相关信息通过RRC重配置消息向所述UE发送所述D2D辅助信息;所述主基站根据所述D2D相关信息通过***消息向所述UE发送所述D2D辅助信息。
可选地,所述D2D辅助信息包括以下至少之一:支持D2D发现和/或D2D通信和/或D2D中继的小区标识列表;邻区的D2D发现和/或D2D通信和/或D2D中继资源池信息及相应的小区标识信息列表;用于指示UE所接入的SCG小区支持D2D发现和/或D2D通信和/或D2D中继的指示信息;所述次基站下小区的D2D发现和/或D2D通信和/或D2D中继资源池和/或同步配置信息;所述次基站为所述UE分配的D2D发现和/或D2D通信和/或D2D中继资源池信息;所述次基站为所述UE分配的D2D发现和/或D2D通信和/或D2D中继资源及配置信息;所述次基站为所述UE分配的同步配置信息。
根据本发明的另一个方面,提供了一种设备到设备D2D资源的配置方法,包括:用户设备UE接收主基站根据D2D相关信息发送的D2D辅助信息,其中,所述D2D相关信息为次基站的D2D相关信息;所述UE根据所述D2D辅助信息使用所述次基站的D2D资源进行D2D操作,其中,所述D2D操作包括:D2D发现和/或D2D通信和/或D2D中继。
可选地,所述UE根据所述D2D辅助信息使用所述次基站的D2D资源进行D2D操作包括:在所述D2D辅助信息中包含支持D2D发现和/或D2D通信和/或D2D中继的小区标识列表情况下,所述UE可根据小区标识信息自行检测与所述小区标识信息对应的小区并获取与所述小区标识信息对应的小区的***消息;在所述UE所检测到的***消息中包含D2D资源池信息时,所述UE使用所述D2D资源池进行D2D发现和/或D2D通信和/或D2D中继;或者,在所述UE所检测到的***消息中不包含D2D资源池信息,且被检测到的小区为次基站下的小区时,所述UE向所述主基站发送用于请求D2D资源配置的sidelink UE信息。
可选地,所述UE根据所述D2D辅助信息使用所述次基站的D2D资源进行D2D操作包括:在所述D2D辅助信息中包含邻区的D2D发现和/或D2D通信和/或D2D中继资源池的信息及对应的小区标识信息列表情况下,所述UE可根据小区标识信息自行检测与所述小区标识信息对应的小区;在所述UE检测到自身位于所述小区标识信息对应的小区覆盖内时,所述UE使用与所述小区标识信息对应的小区的D2D发现和/或D2D通信和/或D2D中继资源池进行D2D操作。
可选地,所述UE根据所述D2D辅助信息使用所述次基站的D2D资源进行D2D操作包括:在所述D2D辅助信息中包含用于指示所述UE所接入的SCG小区支持D2D发现和/或D2D通信和/或D2D中继的指示信息情况下,所述UE自行检测并接收所述次基站下小区的***消息;在所述***消息中包含D2D资源池信息时,所述UE使用所述D2D资源池进行D2D发现和/或D2D通信和/或D2D中继;或者,所述UE向所述主基站发送用于请求D2D资源配置的sidelink UE信息。
可选地,所述UE根据所述D2D辅助信息使用所述次基站的D2D资源进行D2D操作包括:在所述D2D辅助信息为所述次基站下小区的D2D发现和/或D2D通信和/或D2D中继资源池和/或同步配置信息;或,所述次基站为所述UE分配的D2D发现和/或D2D通信和/或D2D中继资源池信息;或,所述次基站为所述UE分配的D2D发现和/或D2D通信和/或D2D中继资源及配置信息;或,所述次基站为所述UE分配的同步配置信息时,所述UE使用从所述主基站接收的D2D辅助信息中所述次基站的D2D资源配置信息或D2D资源池配置信息或同步配置信息进行D2D操作。
可选地,在所述UE向所述主基站发送sidelink UE信息请求D2D资源配置之后,所述方法还包括:所述UE接收所述主基站通过空口RRC消息发送的D2D资源或资源池配置信息,其中,所述D2D资源或资源池配置信息为,在所述主基站将从UE接收的sidelink UE信息通过X2接口消息发送给所述次基站后,所述次基站根据所述sidelink UE信息为UE进行D2D资源或资源池配置的信息。
根据本发明的再一个方面,提供了一种设备到设备D2D资源的配置装置,应用于主基站侧,包括:获取模块,设置为获取次基站的D2D相关信息;第一发送模块,设置为根据所述D2D相关信息向用户设备UE发送D2D辅助信息,其中,所述D2D辅助信息用于指示所述UE使用所述次基站的D2D资源进行D2D操作,其中,所述D2D操作包括:D2D发现和/或D2D通信和/或D2D中继。
根据本发明的又一个方面,提供了一种设备到设备D2D资源的配置装置,应用于用户设备UE侧,包括:接收模块,设置为接收主基站根据D2D相关信息发送的D2D辅助信息,其中,所述D2D相关信息为次基站的D2D相关信息;处理模块,设置为根据所述D2D辅助信息使用所述次基站的D2D资源进行D2D操作,其中,所述D2D操作包括:D2D发现和/或D2D通信和/或D2D中继。
本发明另一实施例提供了一种存储介质,所述存储介质存储有执行指令,所述执行指令用于执行上述方法实施例中的步骤之一或其组合。
在本发明中,主基站首先获取次基站的D2D相关信息,进而在根据该D2D相关信息向用户设备UE发送D2D辅助信息以指示UE使用次基站的D2D资源进行D2D操作,也就是说,可以先获取次基站配置的D2D资源,即D2D相关信息,再依据该D2D相关信息发送指示UE使用次基站的D2D资源进行D2D操作的D2D辅助信息,从而解决了相关技术中双连接架构下UE的D2D资源配置的问题,使得D2D操作,如D2D发现和/或D2D通信和/或D2D中继操作能顺利进行。
附图说明
此处所说明的附图用来提供对本发明的进一步理解,构成本申请的一部分,本发明的示意性实施例及其说明用于解释本发明,并不构成对本发明的不当限定。在附图中:
图1是相关技术中双连接架构示意图;
图2是相关技术中D2D技术应用模式示意图;
图3是根据本发明实施例的设备到设备D2D资源的配置方法的流程图一;
图4是根据本发明实施例的设备到设备D2D资源的配置方法的流程图二;
图5是根据本发明实施例的设备到设备D2D资源的配置装置的结构框图一;
图6是根据本发明实施例的设备到设备D2D资源的配置装置的结构框图二;
图7是根据本可选实施例一的方法流程图;
图8是根据本可选实施例二的方法流程图;
图9是根据本可选实施例三的方法流程图;
图10是根据本可选实施例四的方法流程图;
图11是根据本可选实施例五的方法流程图。
具体实施方式
下文中将参考附图并结合实施例来详细说明本发明。需要说明的是,在不冲突的情况下, 本申请中的实施例及实施例中的特征可以相互组合。
需要说明的是,本发明的说明书和权利要求书及上述附图中的术语“第一”、“第二”等是用于区别类似的对象,而不必用于描述特定的顺序或先后次序。
在本实施例中提供了一种设备到设备D2D资源的配置方法,图3是根据本发明实施例的设备到设备D2D资源的配置方法的流程图一,如图3所示,该流程包括如下步骤:
步骤S302:主基站获取次基站的D2D相关信息;
其中,该相关信息为次基站配置的D2D资源的D2D相关信息,下述涉及到到相关信息时也是类似的。
步骤S304:主基站根据D2D相关信息向用户设备UE发送D2D辅助信息,其中,D2D辅助信息用于指示UE使用次基站的D2D资源进行D2D操作。
通过上述步骤S302和步骤304可知,主基站首选获取次基站的D2D相关信息,进而在根据该D2D相关信息向用户设备UE发送D2D辅助信息以指示UE使用次基站的D2D资源进行D2D操作,也就是说,在双连接架构支持D2D的场景时,可以先获取次基站配置的D2D资源,即D2D相关信息,再依据该D2D相关信息发送指示UE使用次基站的D2D资源进行D2D操作的D2D辅助信息,从而解决了相关技术中双连接架构下UE的D2D资源配置的问题,使得D2D操作,如D2D发现和/或D2D通信和/或D2D中继操作能顺利进行。
在本实施例的可选实施方式中,对于步骤S302中涉及到的主基站通过以下方式获取次基站的D2D相关信息的方式,可以通过如下方式来实现:主基站通过X2接***互获取次基站的D2D相关信息;或者,主基站通过S1接***互获取次基站的D2D相关信息;或者,主基站通过UE空口上报获取次基站的D2D相关信息;或者,主基站通过操作管理维护OAM配置的方式获取次基站的D2D相关信息。
需要说明的是,上述涉及到的UE空口上报的D2D相关信息携带在次基站向UE发送的***消息中。
另外,对于上述涉及到的主基站通过X2接***互获取次基站的D2D相关信息的方式包括以下至少之一:主基站通过X2接口建立请求或X2接口建立响应消息获取次基站的D2D相关信息;主基站通过基站配置更新消息获取次基站的D2D相关信息;主基站通过次基站添加确认消息或次基站修改请求确认消息获取次基站的D2D相关信息。
在该主基站通过S1接***互获取次基站的D2D相关信息时,在本实施例的可选实施方方式中,可以通过该以下方式来实现:主基站通过S1接口的MME配置传输消息获取次基站的D2D相关信息。在具体的应用场景中,该方式可以是主基站通过UE空口的RRC测量报告消息或sidelink UE信息消息从UE获取次基站的D2D相关信息。
可选地,在主基站通过X2接***互获取次基站的D2D相关信息之前,本实施例的方法还可以包括:主基站通过X2接口将从UE接收的sidelink UE信息发送给次基站。其中,在具 体的应用场景中,主基站通过以下方式将sidelink UE信息发送给次基站:主基站通过X2接口的次基站添加请求消息或次基站修改请求消息发送sidelink UE信息给次基站。
此外,在本实施例的另一个可选实施方式中,本实施例中涉及到的D2D相关信息可以包括以下至少之一:是否支持D2D发现和/或D2D通信和/或D2D中继的信息;D2D发现和/或D2D通信和/或D2D中继资源所属载频信息;D2D发现和/或D2D通信和/或D2D中继资源所属公共陆地移动网络PLMN信息;D2D发现和/或D2D通信和/或D2D中继资源池和/或同步配置信息;次基站为UE分配的D2D发现和/或D2D通信和/或D2D中继资源池信息;次基站为UE分配的D2D发现和/或D2D通信和/或D2D中继配置信息;次基站为UE分配的同步配置信息。
而对于本实施例中的步骤S304中涉及到的主基站根据D2D相关信息向用户设备UE发送D2D辅助信息的方式,在本实施例中可以通过以下至少之一的方式来实现:主基站根据D2D相关信息通过RRC重配置消息向UE发送D2D辅助信息;或,主基站根据D2D相关信息通过***消息向UE发送D2D辅助信息。
而对于本实施例中涉及到的D2D辅助信息可以包括以下至少之一:支持D2D发现和/或D2D通信和/或D2D中继的小区标识列表;邻区的D2D发现和/或D2D通信和/或D2D中继资源池信息及相应的小区标识信息列表;用于指示UE所接入的SCG小区支持D2D发现和/或D2D通信和/或D2D中继的指示信息;次基站下小区的D2D发现和/或D2D通信和/或D2D中继资源池和/或同步配置信息;次基站为UE分配的D2D发现和/或D2D通信和/或D2D中继资源池信息;次基站为UE分配的D2D发现和/或D2D通信和/或D2D中继资源及配置信息;次基站为UE分配的同步配置信息。
需要说明的是上述设备到设备D2D资源的配置方法是从主基站侧来描述的,而在用户设备UE,本发明还提供了一种设备到设备D2D资源的配置方法,图4是根据本发明实施例的设备到设备D2D资源的配置方法的流程图二,如图4所示,包括:
步骤S402:用户设备UE接收主基站根据D2D相关信息发送的D2D辅助信息,其中,D2D相关信息为次基站的D2D相关信息;
步骤S404:UE根据D2D辅助信息使用次基站的D2D资源进行D2D操作。
需要说明的是,在本实施例的上述步骤S404涉及到的UE根据D2D辅助信息使用次基站的D2D资源进行D2D操作的方式,可以通过如下方式来实现:
步骤S404-1:在D2D辅助信息中包含支持D2D发现和/或D2D通信和/或D2D中继的小区标识列表情况下,UE可根据小区标识信息自行检测与小区标识信息对应的小区并获取与小区标识信息对应的小区的***消息;
步骤S404-2:在UE所检测到的***消息中包含D2D资源池信息时,UE使用D2D资源池进行D2D发现和/或D2D通信和/或D2D中继;或者,在UE所检测到的***消息中不包含D2D资源池信息,且被检测到的小区为次基站下的小区时,UE向主基站发送用于请求D2D 资源配置的sidelink UE信息。
此外,在另一个可选实施方式中,本实施例中的步骤S404中涉及到的UE根据D2D辅助信息使用次基站的D2D资源进行D2D操作的方式,可以通过如下方式来实现:
步骤S404-3:在D2D辅助信息中包含邻区的D2D发现和/或D2D通信和/或D2D中继资源池的信息及对应的小区标识信息列表情况下,UE可根据小区标识信息自行检测与小区标识信息对应的小区;
步骤S304-4:在UE检测到自身位于小区标识信息对应的小区覆盖内时,UE使用与小区标识信息对应的小区的D2D发现和/或D2D通信和/或D2D中继资源池进行D2D操作。
在本实施例的又一个可选实施例中,本实施例中的步骤S404涉及到的UE根据D2D辅助信息使用次基站的D2D资源进行D2D操作的方式,可以通过如下方式来实现:
步骤S404-5:在D2D辅助信息中包含用于指示UE所接入的SCG小区支持D2D发现和/或D2D通信和/或D2D中继的指示信息情况下,UE自行检测并接收次基站下小区的***消息;
步骤S404-6:在***消息中包含D2D资源池信息时,UE使用D2D资源池进行D2D发现和/或D2D通信和/或D2D中继;或者,UE向主基站发送用于请求D2D资源配置的sidelink UE信息。
以及在本实施例的可选实施方式中,本实施例的步骤S304涉及到的UE根据D2D辅助信息使用次基站的D2D资源进行D2D操作的方式,还可以是:在D2D辅助信息为次基站下小区的D2D发现和/或D2D通信和/或D2D中继资源池和/或同步配置信息;或,次基站为UE分配的D2D发现和/或D2D通信和/或D2D中继资源池信息;或,次基站为UE分配的D2D发现和/或D2D通信和/或D2D中继资源及配置信息;或,次基站为UE分配的同步配置信息时,UE使用从主基站接收的D2D辅助信息中次基站的D2D资源配置信息或D2D资源池配置信息或同步配置信息进行D2D操作。
可选地,在本实施例中,在UE向主基站发送sidelink UE信息请求D2D资源配置之后,本实施例的方法还可以包括:UE接收主基站通过空口RRC消息发送的D2D资源或资源池配置信息,其中,D2D资源或资源池配置信息为,在主基站将从UE接收的sidelink UE信息通过X2接口消息发送给次基站后,次基站根据sidelink UE信息为UE进行D2D资源或资源池配置的信息。
通过以上的实施方式的描述,本领域的技术人员可以清楚地了解到根据上述实施例的方法可借助软件加必需的通用硬件平台的方式来实现,当然也可以通过硬件,但很多情况下前者是更佳的实施方式。基于这样的理解,本发明的技术方案本质上或者说对现有技术做出贡献的部分可以以软件产品的形式体现出来,该计算机软件产品存储在一个存储介质(如ROM/RAM、磁碟、光盘)中,包括若干指令用以使得一台终端设备(可以是手机,计算机,服务器,或者网络设备等)执行本发明各个实施例的方法。
在本实施例中还提供了一种设备到设备D2D资源的配置装置,该装置用于实现上述实施例及优选实施方式,已经进行过说明的不再赘述。如以下所使用的,术语“模块”可以实现预定功能的软件和/或硬件的组合。尽管以下实施例所描述的装置较佳地以软件来实现,但是硬件,或者软件和硬件的组合的实现也是可能并被构想的。
图5是根据本发明实施例的设备到设备D2D资源的配置装置的结构框图一,该装置应用于主基站侧,如图5所示,该装置包括:获取模块52,设置为获取次基站的D2D相关信息;第一发送模块54,与获取模块52耦合连接,设置为根据D2D相关信息向用户设备UE发送D2D辅助信息,其中,D2D辅助信息用于指示UE使用次基站的D2D资源进行D2D操作。
可选地,该获取模块52可以通过以下方式获取次基站的D2D相关信息:主基站通过X2接***互获取次基站的D2D相关信息;或者,主基站通过S1接***互获取次基站的D2D相关信息;或者,主基站通过UE空口上报获取次基站的D2D相关信息;或者,主基站通过操作管理维护OAM配置的方式获取次基站的D2D相关信息。
其中,上述涉及到的UE空口上报的D2D相关信息携带在次基站向UE发送的***消息中。
可选地,在本实施例中的获取模块42通过X2接***互获取次基站的D2D相关信息时,可以通过以下至少之一的方式来实现:
方式一:通过X2接口建立请求或X2接口建立响应消息获取次基站的D2D相关信息;
方式二:通过基站配置更新消息获取次基站的D2D相关信息;
方式三:通过次基站添加确认消息或次基站修改请求确认消息获取次基站的D2D相关信息。
可选地,在获取模块52通过S1接***互获取次基站的D2D相关信息时,该获取模块52通过S1接口的MME配置传输消息获取次基站的D2D相关信息。
可选地,在获取模块52通过UE空口上报获取次基站的D2D相关信息时,该获取模块42通过UE空口的RRC测量报告消息或sidelink UE信息消息从UE获取次基站的D2D相关信息。
可选地,在主基站通过X2接***互获取次基站的D2D相关信息之前,本实施例的装置还可以包括:第二发送模块,设置为通过X2接口将从UE接收的sidelink UE信息发送给次基站。在具体的应用场景中,该第二发送模块通过以下方式将sidelink UE信息发送给次基站:通过X2接口的次基站添加请求消息或次基站修改请求消息发送sidelink UE信息给次基站。
需要说明的是,本实施例中涉及到的D2D相关信息包括以下至少之一:是否支持D2D发现和/或D2D通信和/或D2D中继的信息;D2D发现和/或D2D通信和/或D2D中继资源所属载频信息;D2D发现和/或D2D通信和/或D2D中继资源所属公共陆地移动网络PLMN信息;D2D发现和/或D2D通信和/或D2D中继资源池和/或同步配置信息;次基站为UE分配的D2D 发现和/或D2D通信和/或D2D中继资源池信息;次基站为UE分配的D2D发现和/或D2D通信和/或D2D中继配置信息;次基站为UE分配的同步配置信息。
可选地,本实施例中的第一发送模块54还可以包括:第一发送单元,设置为根据D2D相关信息通过RRC重配置消息向UE发送D2D辅助信息;或,第二发送单元,设置为根据D2D相关信息通过***消息向UE发送D2D辅助信息。
本实施例中涉及到的D2D辅助信息可以包括以下至少之一:支持D2D发现和/或D2D通信和/或D2D中继的小区标识列表;邻区的D2D发现和/或D2D通信和/或D2D中继资源池信息及相应的小区标识信息列表;用于指示UE所接入的SCG小区支持D2D发现和/或D2D通信和/或D2D中继的指示信息;次基站下小区的D2D发现和/或D2D通信和/或D2D中继资源池和/或同步配置信息;次基站为UE分配的D2D发现和/或D2D通信和/或D2D中继资源池信息;次基站为UE分配的D2D发现和/或D2D通信和/或D2D中继资源及配置信息;次基站为UE分配的同步配置信息。
图6是根据本发明实施例的设备到设备D2D资源的配置装置的结构框图二,该装置应用于用户设备UE侧,如图6所示,该装置包括:接收模块62,设置为接收主基站根据D2D相关信息发送的D2D辅助信息,其中,该D2D相关信息为次基站的D2D相关信息;处理模块64,与接收模块62耦合连接,设置为根据D2D辅助信息使用次基站的D2D资源进行D2D操作。
可选地,该处理模块64在本实施例的可选实施方式中包括:第一处理单元,设置为在D2D辅助信息中包含支持D2D发现和/或D2D通信和/或D2D中继的小区标识列表情况下,可根据小区标识信息自行检测与小区标识信息对应的小区并获取与小区标识信息对应的小区的***消息;第二处理单元,设置为在UE所检测到的***消息中包含D2D资源池信息时,UE使用D2D资源池进行D2D发现和/或D2D通信和/或D2D中继;或者,在UE所检测到的***消息中不包含D2D资源池信息,且被检测到的小区为次基站下的小区时,向主基站发送用于请求D2D资源配置的sidelink UE信息。
可选地,该处理模块64在本实施例的可选实施方式中还可以包括:第三处理单元,设置为在D2D辅助信息中包含邻区的D2D发现和/或D2D通信和/或D2D中继资源池的信息及对应的小区标识信息列表情况下,可根据小区标识信息自行检测与小区标识信息对应的小区;第四处理单元,设置为在UE检测到自身位于小区标识信息对应的小区覆盖内时,使用与小区标识信息对应的小区的D2D发现和/或D2D通信和/或D2D中继资源池进行D2D操作。
可选地,该处理模块64在本实施例的可选实施方式中还可以包括:第五处理单元,设置为在D2D辅助信息中包含用于指示UE所接入的SCG小区支持D2D发现和/或D2D通信和/或D2D中继的指示信息情况下,自行检测并接收次基站下小区的***消息;第六处理单元,设置为在***消息中包含D2D资源池信息时,使用D2D资源池进行D2D发现和/或D2D通信和/或D2D中继;或者,向主基站发送用于请求D2D资源配置的sidelink UE信息。
可选地,该处理模块64在本实施例的可选实施方式中还可以包括:第七处理单元,设置 为在D2D辅助信息为次基站下小区的D2D发现和/或D2D通信和/或D2D中继资源池和/或同步配置信息;或,次基站为UE分配的D2D发现和/或D2D通信和/或D2D中继资源池信息;或,次基站为UE分配的D2D发现和/或D2D通信和/或D2D中继资源及配置信息;或,次基站为UE分配的同步配置信息时,使用从主基站接收的D2D辅助信息中次基站的D2D资源配置信息或D2D资源池配置信息或同步配置信息进行D2D操作。
可选地,在UE向主基站发送sidelink UE信息请求D2D资源配置之后,本实施例的装置还可以包括:第二接收模块,设置为接收主基站通过空口RRC消息发送的D2D资源或资源池配置信息,其中,D2D资源或资源池配置信息为,在主基站将从UE接收的sidelink UE信息通过X2接口消息发送给次基站后,次基站根据sidelink UE信息为UE进行D2D资源或资源池配置的信息。
需要说明的是,上述各个模块是可以通过软件或硬件来实现的,对于后者,可以通过以下方式实现,但不限于此:上述模块均位于同一处理器中;或者,上述模块分别位于多个处理器中。
下面结合本发明的可选实施例对本发明进行举例说明;
实施例一
本可选实施例描述的是UE通过从MeNB获得SeNB下小区D2D资源池信息的方法。图7是根据本可选实施例一的方法流程图,如图7所示,本可选实施例方法的步骤包括:
步骤S701,MeNB通过X2交互获得SeNB的D2D相关信息;
其中,MeNB可通过X2接***互获得附近或其覆盖内的小基站(其中包括UE的SeNB)下小区的***消息中D2D相关信息;
其中,该D2D相关信息可包含以下至少之一:
是否支持D2D发现和/或D2D通信和/或D2D中继;
D2D发现和/或D2D通信和/或D2D中继资源所属载频信息;
D2D发现和/或D2D通信和/或D2D中继资源所属PLMN信息;
D2D发现和/或D2D通信和/或D2D中继资源池和/或同步配置信息;
或者,MeNB可通过S1接***互或OAM配置的方式获得附近或其覆盖内的小基站(其中包括UE的SeNB)下小区的***消息中D2D相关信息。
步骤S702,UE从MeNB小区接收相邻小区或SeNB小区D2D资源池信息;
其中,若MeNB获得相邻基站的D2D资源池配置信息,则MeNB可广播相邻基站的D2D资源池配置信息及相应的小区标识列表。若UE已经通过双连接接入,且MeNB已经获得SeNB的D2D资源池配置信息,则MeNB可通过***消息广播SeNB的D2D资源池配置信息。MeNB 还可以通过RRC专有信令(例如,RRC重配置消息)向UE发送SeNB小区的D2D资源池配置信息。
步骤S703,UE使用从MeNB获得的相邻小区或SeNB小区D2D资源池;
其中,若UE已从MeNB获得所接入的SeNB下D2D资源池配置信息,则UE可使用该D2D资源池进行D2D操作(D2D发现和/或D2D通信和/或D2D中继)。或者,若UE从MeNB获得相邻基站的D2D资源池配置信息及相应的小区标识列表,则UE可自行检测相邻小区,若UE检测到其处于某相邻小区的覆盖内,则可使用该小区相应的D2D资源池进行D2D操作。
实施例二
本可选实施例描述的是UE通过接收SeNB***消息获得SeNB下小区D2D资源池信息的方法。图8是根据本可选实施例二的方法流程图,如图8所示,本可选实施例的方法步骤包括:
步骤S801,MeNB通过X2交互获得SeNB的D2D相关信息;
其中,MeNB可通过X2接***互获得附近或其覆盖内的小基站(其中包括UE的SeNB)下小区的***消息中D2D相关信息;
其中,该D2D相关信息可包含以下至少之一:
是否支持D2D发现和/或D2D通信和/或D2D中继;
D2D发现和/或D2D通信和/或D2D中继资源所属载频信息;
D2D发现和/或D2D通信和/或D2D中继资源所属PLMN信息;
D2D发现和/或D2D通信和/或D2D中继资源池和/或同步配置信息;
需要说明的是,在本可选实施例中获取D2D相关信息的方式还可以是:MeNB可通过S1接***互或OAM配置的方式获得附近或其覆盖内的小基站(其中包括UE的SeNB)下小区的***消息中D2D相关信息。
步骤S802,MeNB发送邻区支持D2D的小区信息或SCG支持D2D的指示信息到UE;
其中,MeNB可在***消息中广播发送相邻小区中支持D2D的小区标识信息列表。或者,UE已经通过双连接方式接入时,若UE接入的SCG小区支持D2D,则MeNB可通过RRC专有信令(例如,RRC重配置消息)向UE指示其接入的SCG小区支持D2D。
步骤S803,UE接收SeNB小区***消息中D2D资源池信息;
其中,若MeNB在***消息中广播发送相邻小区中支持D2D的小区标识信息列表,且UE已通过双连接方式接入SCG小区,UE接入的SCG小区包含在MeNB发送的支持D2D的小区标识信息列表中,则UE自行接收SeNB下SCG小区的***消息。若MeNB在***消息中广播发送相邻小区中支持D2D的小区标识信息列表,且UE尚未通过双连接方式接入,则 UE可自行检测并接收MeNB所指示的支持D2D的小区***消息。若MeNB向UE指示其接入的SCG小区支持D2D,则UE自行接收SeNB下SCG小区的***消息。
步骤S804,UE使用SeNB小区***消息中D2D资源池;
其中,若UE所接收的相邻小区或所接入的SeNB的SCG小区的***消息中包含D2D资源池信息,则UE可使用该D2D资源池进行D2D操作。或者,若UE所接收的相邻小区或所接入的SeNB的SCG小区的***消息中不包含D2D资源池信息,则UE向MeNB发送sidelink UE inforamtion消息,以请求D2D资源;
需要说明的是,本可选实施例中的具体资源请求方法可以参考本可选实施例三、实施例四及实施例五。
实施例三
本可选实施例描述的是UE无法从MeNB及SeNB的***消息获得SeNB下小区D2D资源池信息情况下,UE向MeNB请求D2D资源的方法之一。图9是根据本可选实施例三的方法流程图,如图9所示,本可选实施例方法的步骤包括:
步骤S901,MeNB通过X2交互获得SeNB的D2D相关信息;
其中,MeNB可通过X2接***互获得附近或其覆盖内的小基站(其中包括UE的SeNB)下小区的***消息中D2D相关信息;
其中,该D2D相关信息可包含以下至少之一:
是否支持D2D发现和/或D2D通信和/或D2D中继;
D2D发现和/或D2D通信和/或D2D中继资源所属载频信息;
D2D发现和/或D2D通信和/或D2D中继资源所属PLMN信息;
D2D发现和/或D2D通信和/或D2D中继资源池和/或同步配置信息;
需要说明的是,本步骤S901还可以是MeNB可通过S1接***互或OAM配置的方式获得附近或其覆盖内的小基站(其中包括UE的SeNB)下小区的***消息中D2D相关信息。
步骤S902,UE向MeNB发送sidelinkUEinformation消息;
其中,MeNB及SeNB的***消息中都不包含相邻小区或SeNB下小区的D2D资源池信息;例如,MeNB的***消息中仅包含相邻小区中支持D2D的小区标识信息列表,或者MeNB通过RRC专有信令(例如,RRC重配置消息)向UE指示其接入的SCG小区支持D2D。则UE向MeNB发送sidelinkUEinformation消息,以请求D2D资源。
步骤S903,MeNB已通过X2接***互获得相邻小区或SeNB小区的D2D资源池信息,则MeNB可将相邻小区或SeNB小区的D2D资源池信息通过RRC消息(例如,RRC连接重配或RRCConnectionReconfiguration)发送给UE。
实施例四
本可选实施例描述的是UE无法从MeNB及SeNB的***消息获得SeNB下小区D2D资源池信息情况下,UE向MeNB请求D2D资源的方法之二。图10是根据本可选实施例四的方法流程图,如图10所示,本可选实施例的方法步骤包括:
步骤S1000,MeNB可通过X2接***互获得附近或其覆盖内的小基站(其中包括UE的SeNB)下小区的***消息中D2D相关信息;
其中,该D2D相关信息可包含以下至少之一:
是否支持D2D发现和/或D2D通信和/或D2D中继;
D2D发现和/或D2D通信和/或D2D中继资源所属载频信息;
D2D发现和/或D2D通信和/或D2D中继资源所属PLMN信息;
D2D发现和/或D2D通信和/或D2D中继资源池和/或同步配置信息;
步骤S1001,UE向MeNB发送旁链用户信息sidelinkUEinformation消息;
其中,MeNB及SeNB的***消息中都不包含相邻小区或SeNB下小区的D2D资源池信息,例如,MeNB的***消息中仅包含相邻小区中支持D2D的小区标识信息列表,或者MeNB通过RRC专有信令(例如,RRC重配置消息)向UE指示其接入的SCG小区支持D2D。则UE向MeNB发送sidelinkUEinformation消息,以请求D2D资源。
步骤S1002,MeNB将从UE接收的sidelinkUEinformation消息中的信息发送给SeNB。
步骤S1003,SeNB根据从MeNB接收的sidelinkUEinformation信息为UE进行D2D资源配置。
其中,若SeNB为UE配置采用UE自主选择资源的竞争资源分配方式,则SeNB将为UE分配的D2D资源池及相关配置信息通过X2接口消息发送给MeNB;若SeNB为UE配置采用动态调度的非竞争资源分配方式,则SeNB将为UE分配的SL-RNTI,SC资源池及相关配置信息通过X2接口消息发送给MeNB。
步骤S1004,MeNB将从SeNB接收的资源配置信息通过RRC专有信令(例如,RRC重配置消息)发送给UE;
其中,资源配置信息可以为SeNB将为UE分配的D2D资源池及相关配置信息,或者,SL-RNTI,SC资源池及相关配置信息。
步骤S1005,UE向SeNB发送SR以请求BSR发送资源;
其中,若UE根据从MeNB接收的资源配置信息判断SeNB为UE配置的是动态调度的非竞争资源获取方式;UE从MeNB接收的SeNB为UE分配的资源配置信息为SL-RNTI,SC资源池及相关配置信息,则UE在D2D数据要发送时,若没有BSR资源,则向SeNB发送SR 以请求BSR发送资源。
步骤S1006,SeNB为UE分配用于发送D2D BSR的上行资源并发送给UE。
步骤S1007,UE向SeNB发送用于请求D2D发送资源的BSR。
步骤S1008,SeNB为UE进行D2D资源调度,并将分配的资源及相关配置信息发送通过该UE的SL-RNTI加扰的UL-grant发送给UE。
实施例五
本可选实施例描述的是采用单连接的UE无法从MeNB的***消息获得相邻小区D2D资源池信息情况下,UE向MeNB请求D2D资源的方法。图11是根据本可选实施例五的方法流程图,如图11所示,本可选实施例的方法步骤包括:
步骤S1101,MeNB可通过X2接***互获得附近或其覆盖内的小基站下小区的***消息中D2D相关信息;
其中,该D2D相关信息可包含以下至少之一:
是否支持D2D发现和/或D2D通信和/或D2D中继;
D2D发现和/或D2D通信和/或D2D中继资源所属载频信息;
D2D发现和/或D2D通信和/或D2D中继资源所属PLMN信息;
D2D发现和/或D2D通信和/或D2D中继资源池和/或同步配置信息;
步骤S1102,MeNB的***消息中不包含相邻小区D2D资源池信息,例如,MeNB的***消息中仅包含相邻小区中支持D2D的小区标识信息列表,则UE向MeNB发送sidelinkUEinformation消息,以请求D2D资源。
步骤S1103,MeNB接收UE发送的sidelinkUEinformation消息后,为UE配置针对相邻小区中支持D2D的小区的测量,并通过RRC重配置消息将测量配置信息发送给UE。
步骤S1104,UE根据MeNB配置的测量信息针对相邻小区中支持D2D的小区进行相应的RRM测量,并在满足测量上报条件时将测量报告通过RRC消息发送给MeNB。
步骤S1105,MeNB根据UE发送的测量报告确定适合充当UE的SeNB的基站,并向该候选SeNB发起SeNB添加过程,即发送SeNB添加请求消息给该候选SeNB。可选的,该消息中可包含MeNB从UE接收的sidelinkUEinformation消息。
步骤S1106,该候选SeNB接受SeNB添加过程,则回复SeNB添加确认消息给MeNB。可选的,该消息中可包含SeNB为UE分配的D2D资源配置信息。若SeNB为UE配置采用UE自主选择资源的竞争资源分配方式,则D2D资源配置信息包含SeNB为UE分配的D2D资源池及相关配置信息;若SeNB为UE配置采用动态调度的非竞争资源分配方式,则D2D资源配置信息包含SeNB为UE分配的SL-RNTI,SC资源池及相关配置信息。
步骤S1107,MeNB向UE发送RRC重配置消息,该消息中可包含MeNB从SeNB接收的SeNB为UE分配的D2D资源配置信息。
步骤S1108,UE向MeNB发送RRC重配置完成消息。
步骤S1109,MeNB收到UE发送的RRC重配置完成消息后,向SeNB发送SeNB重配置完成消息。
本发明的实施例还提供了一种存储介质。可选地,在本实施例中,上述存储介质可以被设置为存储用于执行以下步骤的程序代码:
S1:主基站获取次基站的D2D相关信息;
S2:主基站根据D2D相关信息向用户设备UE发送D2D辅助信息,其中,D2D辅助信息用于指示UE使用次基站的D2D资源进行D2D操作;
可选地,本实施例中的具体示例可以参考上述实施例及可选实施方式中所描述的示例,本实施例在此不再赘述。
显然,本领域的技术人员应该明白,上述的本发明的各模块或各步骤可以用通用的计算装置来实现,它们可以集中在单个的计算装置上,或者分布在多个计算装置所组成的网络上,可选地,它们可以用计算装置可执行的程序代码来实现,从而,可以将它们存储在存储装置中由计算装置来执行,并且在某些情况下,可以以不同于此处的顺序执行所示出或描述的步骤,或者将它们分别制作成各个集成电路模块,或者将它们中的多个模块或步骤制作成单个集成电路模块来实现。这样,本发明不限制于任何特定的硬件和软件结合。
以上所述仅为本发明的优选实施例而已,并不用于限制本发明,对于本领域的技术人员来说,本发明可以有各种更改和变化。凡在本发明的精神和原则之内,所作的任何修改、等同替换、改进等,均应包含在本发明的保护范围之内。
工业实用性
如上所述,本发明实施例提供的一种设备到设备D2D资源的配置方法及装置具有以下有益效果:解决了相关技术中双连接架构下UE的D2D资源配置的问题,使得D2D操作,如D2D发现和/或D2D通信和/或D2D中继操作能顺利进行。

Claims (19)

  1. 一种设备到设备D2D资源的配置方法,包括:
    主基站获取次基站的D2D相关信息;
    所述主基站根据所述D2D相关信息向用户设备UE发送D2D辅助信息,其中,所述D2D辅助信息用于指示所述UE使用所述次基站的D2D资源进行D2D操作,其中,所述D2D操作包括以下至少之一:D2D发现、D2D通信、D2D中继。
  2. 根据权利要求1所述的方法,其中,所述主基站通过以下方式获取次基站的D2D相关信息:
    所述主基站通过X2接***互获取所述次基站的所述D2D相关信息;或者,
    所述主基站通过S1接***互获取所述次基站的所述D2D相关信息;或者,
    所述主基站通过所述UE空口上报获取所述次基站的所述D2D相关信息;或者,
    所述主基站通过操作管理维护OAM配置的方式获取所述次基站的所述D2D相关信息。
  3. 根据权利要求2所述的方法,其中,所述UE空口上报的所述D2D相关信息通过所述UE接收所述次基站的***消息获得。
  4. 根据权利要求1所述的方法,其中,所述D2D相关信息包括以下至少之一:
    是否支持D2D发现和/或D2D通信和/或D2D中继的信息;
    D2D发现和/或D2D通信和/或D2D中继资源所属载频信息;
    D2D发现和/或D2D通信和/或D2D中继资源所属公共陆地移动网络PLMN信息;
    D2D发现和/或D2D通信和/或D2D中继资源池和/或同步配置信息;
    所述次基站为所述UE分配的D2D发现和/或D2D通信和/或D2D中继资源池信息;
    所述次基站为所述UE分配的D2D发现和/或D2D通信和/或D2D中继配置信息;
    所述次基站为所述UE分配的同步配置信息。
  5. 根据权利要求2所述的方法,其中,所述主基站通过X2接***互获取所述次基站的D2D相关信息的方式包括以下至少之一:
    所述主基站通过X2建立请求或X2建立响应消息获取所述次基站的D2D相关信息;
    所述主基站通过X2接口的基站配置更新消息获取所述次基站的D2D相关信息;
    所述主基站通过次基站添加确认消息或次基站修改请求确认消息获取所述次基站的D2D相关信息。
  6. 根据权利要求2所述的方法,其中,所述主基站通过所述S1接***互获取所述次基站的D2D相关信息包括:
    所述主基站通过所述S1接口的MME配置传输消息获取所述次基站的D2D相关信息。
  7. 根据权利要求2所述的方法,其中,所述主基站通过所述UE空口上报获取所述次基站的D2D相关信息包括:
    所述主基站通过所述UE空口的RRC测量报告消息或旁链用户信息sidelink UE information从UE获取所述次基站的D2D相关信息。
  8. 根据权利要求2所述的方法,其中,在所述主基站通过所述X2接***互获取所述次基站的D2D相关信息之前,所述方法还包括:
    所述主基站通过X2接口将从所述UE接收的sidelink UE information发送给所述次基站。
  9. 根据权利要求8所述的方法,其中,所述主基站通过以下方式将所述sidelink UE information发送给所述次基站:
    所述主基站通过X2接口的次基站添加请求消息或次基站修改请求消息发送所述sidelink UE information给所述次基站。
  10. 根据权利要求1所述的方法,其中,所述主基站根据所述D2D相关信息向用户设备UE发送D2D辅助信息包括以下至少之一:
    所述主基站根据所述D2D相关信息通过RRC重配置消息向所述UE发送所述D2D辅助信息;
    所述主基站根据所述D2D相关信息通过***消息向所述UE发送所述D2D辅助信息。
  11. 根据权利要求10所述的方法,其中,所述D2D辅助信息包括以下至少之一:
    支持D2D发现和/或D2D通信和/或D2D中继的小区标识列表;
    邻区的D2D发现和/或D2D通信和/或D2D中继资源池信息及相应的小区标识信息列表;
    用于指示UE所接入的SCG小区支持D2D发现和/或D2D通信和/或D2D中继的指示信息;
    所述次基站下小区的D2D发现和/或D2D通信和/或D2D中继资源池和/或同步配置信息;
    所述次基站为所述UE分配的D2D发现和/或D2D通信和/或D2D中继资源池信息;
    所述次基站为所述UE分配的D2D发现和/或D2D通信和/或D2D中继资源及配置信息;
    所述次基站为所述UE分配的同步配置信息。
  12. 一种设备到设备D2D资源的配置方法,包括:
    用户设备UE接收主基站根据D2D相关信息发送的D2D辅助信息,其中,所述D2D相关信息为次基站的D2D相关信息;
    所述UE根据所述D2D辅助信息使用所述次基站的D2D资源进行D2D操作,其中,所述D2D操作包括:D2D发现和/或D2D通信和/或D2D中继。
  13. 根据权利要求12所述的方法,其中,所述UE根据所述D2D辅助信息使用所述次基站的D2D资源进行D2D操作包括:
    在所述D2D辅助信息中包含支持D2D发现和/或D2D通信和/或D2D中继的小区标识列表情况下,所述UE可根据小区标识信息自行检测与所述小区标识信息对应的小区并获取与所述小区标识信息对应的小区的***消息;
    在所述UE所检测到的***消息中包含D2D资源池信息时,所述UE使用所述D2D资源池进行D2D发现和/或D2D通信和/或D2D中继;或者,在所述UE所检测到的***消息中不包含D2D资源池信息,且被检测到的小区为次基站下的小区时,所述UE向所述主基站发送用于请求D2D资源配置的sidelink UE信息。
  14. 根据权利要求12所述的方法,其中,所述UE根据所述D2D辅助信息使用所述次基站的D2D资源进行D2D操作包括:
    在所述D2D辅助信息中包含邻区的D2D发现和/或D2D通信和/或D2D中继资源池的信息及对应的小区标识信息列表情况下,所述UE可根据小区标识信息自行检测与所述小区标识信息对应的小区;
    在所述UE检测到自身位于所述小区标识信息对应的小区覆盖内时,所述UE使用与所述小区标识信息对应的小区的D2D发现和/或D2D通信和/或D2D中继资源池进行D2D操作。
  15. 根据权利要求12所述的方法,其中,所述UE根据所述D2D辅助信息使用所述次基站的D2D资源进行D2D操作包括:
    在所述D2D辅助信息中包含用于指示所述UE所接入的SCG小区支持D2D发现和/或D2D通信和/或D2D中继的指示信息情况下,所述UE自行检测并接收所述次基站下小区的***消息;
    在所述***消息中包含D2D资源池信息时,所述UE使用所述D2D资源池进行D2D发现和/或D2D通信和/或D2D中继;或者,所述UE向所述主基站发送用于请求D2D资 源配置的sidelink UE信息。
  16. 根据权利要求12所述的方法,其中,所述UE根据所述D2D辅助信息使用所述次基站的D2D资源进行D2D操作包括:
    在所述D2D辅助信息为所述次基站下小区的D2D发现和/或D2D通信和/或D2D中继资源池和/或同步配置信息;或,所述次基站为所述UE分配的D2D发现和/或D2D通信和/或D2D中继资源池信息;或,所述次基站为所述UE分配的D2D发现和/或D2D通信和/或D2D中继资源及配置信息;或,所述次基站为所述UE分配的同步配置信息时,
    所述UE使用从所述主基站接收的D2D辅助信息中所述次基站的D2D资源配置信息或D2D资源池配置信息或同步配置信息进行D2D操作。
  17. 根据权利要求13或15所述的方法,其中,在所述UE向所述主基站发送sidelink UE信息请求D2D资源配置之后,所述方法还包括:
    所述UE接收所述主基站通过空口RRC消息发送的D2D资源或资源池配置信息,其中,所述D2D资源或资源池配置信息为,在所述主基站将从UE接收的sidelink UE信息通过X2接口消息发送给所述次基站后,所述次基站根据所述sidelink UE信息为UE进行D2D资源或资源池配置的信息。
  18. 一种设备到设备D2D资源的配置装置,应用于主基站侧,包括:
    获取模块,设置为获取次基站的D2D相关信息;
    第一发送模块,设置为根据所述D2D相关信息向用户设备UE发送D2D辅助信息,其中,所述D2D辅助信息用于指示所述UE使用所述次基站的D2D资源进行D2D操作,其中,所述D2D操作包括:D2D发现和/或D2D通信和/或D2D中继。
  19. 一种设备到设备D2D资源的配置装置,应用于用户设备UE侧,包括:
    接收模块,设置为接收主基站根据D2D相关信息发送的D2D辅助信息,其中,所述D2D相关信息为次基站的D2D相关信息;
    处理模块,设置为根据所述D2D辅助信息使用所述次基站的D2D资源进行D2D操作,其中,所述D2D操作包括:D2D发现和/或D2D通信和/或D2D中继。
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