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WO2019072216A1 - Procédé de gestion de mobilité de dispositif à dispositif (d2d) et dispositif de stockage - Google Patents

Procédé de gestion de mobilité de dispositif à dispositif (d2d) et dispositif de stockage Download PDF

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Publication number
WO2019072216A1
WO2019072216A1 PCT/CN2018/109916 CN2018109916W WO2019072216A1 WO 2019072216 A1 WO2019072216 A1 WO 2019072216A1 CN 2018109916 W CN2018109916 W CN 2018109916W WO 2019072216 A1 WO2019072216 A1 WO 2019072216A1
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WIPO (PCT)
Prior art keywords
cluster
mobile
user equipment
information
user equipments
Prior art date
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Ceased
Application number
PCT/CN2018/109916
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English (en)
Chinese (zh)
Inventor
唐彦波
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JRD Communication Shenzhen Ltd
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JRD Communication Shenzhen Ltd
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Publication of WO2019072216A1 publication Critical patent/WO2019072216A1/fr
Anticipated expiration legal-status Critical
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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/003—Arrangements for allocating sub-channels of the transmission path
    • H04L5/0053—Allocation of signalling, i.e. of overhead other than pilot signals
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L67/00—Network arrangements or protocols for supporting network services or applications
    • H04L67/50—Network services
    • H04L67/51—Discovery or management thereof, e.g. service location protocol [SLP] or web services
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L67/00—Network arrangements or protocols for supporting network services or applications
    • H04L67/50—Network services
    • H04L67/56—Provisioning of proxy services
    • H04L67/563—Data redirection of data network streams

Definitions

  • the embodiment of the present invention relates to the field of communications technologies, and in particular, to a D2D-based mobility management method and a storage device.
  • a base station and a user equipment form a star network topology.
  • the mobility is mainly It is used to solve the fast and smooth handover problem across cells.
  • Mobile Direct Technology (Device To Device Communication (D2D) enables the UE to directly communicate with other UEs without going through the base station, provide services for other UEs, and/or use services provided by other UEs to improve spectrum efficiency and extend communication applications.
  • UEs that use the same D2D service can form a cluster.
  • the embodiment of the present invention provides a D2D-based mobility management method and a storage device, which can reduce the signaling overhead caused by frequent handover caused by the introduction of D2D.
  • the embodiment of the present application provides a D2D-based mobility management method, including: acquiring transfer data between multiple service clusters; and calculating transition probabilities between different service clusters according to the transfer data; Dividing a plurality of service clusters into at least one virtual cluster group, wherein a transition probability between each service cluster in the same virtual cluster group and the other at least one service cluster is greater than a preset probability threshold; sending the virtual cluster to which the service cluster is located Group information to control that all service clusters in the same virtual cluster group share the same cluster ID.
  • the cluster identifier is used to distinguish at least one of a synchronization signal, a broadcast channel, and a cluster reference signal.
  • the dividing the multiple service clusters into at least one virtual cluster group according to the transition probability includes:
  • the service clusters having a signal strength higher than a predetermined strength are combined to form a plurality of virtual cluster groups.
  • the embodiment of the present application further provides a D2D-based mobility management method, where the method includes: confirming information about a mobile cluster, where the mobile cluster includes at least two user equipments, and mobility of all user equipments in the same mobile cluster.
  • the information belongs to the same range, and one user equipment in the mobile cluster is a cluster head; control signaling interaction is performed by the cluster head and all user equipments in the mobile cluster.
  • the cluster head is selected from the user equipments of the mobile cluster in a manner of contention, polling, and base station designation.
  • the information for confirming the mobile cluster includes:
  • the method when the mobile cluster is divided according to mobility information of the user equipment, and the cluster head is selected from user equipments of the mobile cluster in a competitive manner , the method includes:
  • the mobile cluster information is sent to all user equipments in the mobile cluster to select the cluster heads in a competitive manner.
  • the method when the mobile cluster is divided according to the mobility information of the user equipment, and the cluster head is selected from the user equipment of the mobile cluster in a polling manner.
  • the method includes:
  • the responding user equipment is taken as the cluster head.
  • the method when the mobile cluster is divided according to mobility information of the user equipment, and the cluster head is selected from user equipments of the mobile cluster in a specified manner , the method includes:
  • the method when the information about the mobile cluster reported by the user equipment is received, and the cluster head is selected from the user equipments of the mobile cluster in a competitive manner, The method includes:
  • multiple user equipments periodically broadcast their own capability indicators and mobility information using the side link channel, and receive capability indicators and mobility information of other user equipments;
  • the user equipment with the highest capability indicator identifies itself as the cluster head and broadcasts the notification as the cluster head. If other user equipments that receive the notification agree to join the mobile cluster and the mobility information And matching with the cluster head, sending a response message to the cluster head, so that the cluster head confirms all user equipments in the mobile cluster and reports to the base station.
  • the method when the information about the mobile cluster reported by the user equipment is received, and the cluster head is selected from the user equipment of the mobile cluster in a polling manner, the method includes:
  • Multiple user equipments periodically broadcast their own mobility information using a side link channel, and receive mobility information of other user equipments;
  • the user equipment determines whether another user equipment matching the mobility information of the user is found, and if found, sends a join message to the first broadcast among the other user equipments that match the mobility information of the user, indicating that they are willing to join the first a mobile cluster in which the broadcast user equipment is located, so that the first broadcasted user equipment determines all the devices in the mobile cluster and reports to the base station;
  • the responding user equipment is taken as the cluster head.
  • the method when receiving the information of the mobile cluster reported by the user equipment, and the cluster head is selected from the user equipment of the mobile cluster in a specified manner, The method includes:
  • Multiple user equipments periodically broadcast their own mobility information using a side link channel, and receive mobility information of other user equipments;
  • the user equipment determines whether another user equipment matching the mobility information of the user is found, and if found, sends a join message to the first broadcast among the other user equipments that match the mobility information of the user, indicating that they are willing to join the first a mobile cluster in which the broadcast user equipment is located, so that the first broadcasted user equipment determines all the devices in the mobile cluster and reports to the base station;
  • the embodiment of the present application further provides a storage device, where the storage device stores program data, and the program data can be executed to implement the following steps:
  • transition probabilities include a transfer probability, a transfer probability, a sum of the transfer probability and the transfer probability, a transfer probability, and a transfer probability Any of the products of the sum, the probability of transition, and the probability of transition;
  • the cluster identifier is used to distinguish at least one of a synchronization signal, a broadcast channel, and a cluster reference signal.
  • the step of dividing the plurality of the service clusters into at least one virtual cluster group according to the transition probability includes:
  • the service clusters having a signal strength higher than a predetermined strength are combined to form a plurality of virtual cluster groups.
  • program data can also be executed to implement the following steps:
  • the base station confirms the information of the mobile cluster, where the mobile cluster includes at least two user equipments, and the mobility information of all the user equipments in the same mobile cluster belongs to the same range, and one of the mobile clusters Cluster head;
  • the base station performs control signaling interaction with all the user equipments in the mobile cluster through the cluster head.
  • the cluster head is selected from the user equipments of the mobile cluster in a manner of contention, polling, and base station designation.
  • the step of implementing the information that the base station confirms the mobile cluster includes:
  • the base station receives information about the mobile cluster reported by the user equipment.
  • program data can also be executed to implement the following steps:
  • Confirming information of a mobile cluster in which the user equipment is located the mobile cluster includes at least two user equipments, and mobility information of all the user equipments in the same mobile cluster belongs to the same range, and one of the mobile clusters
  • the user equipment is a cluster head
  • the step of implementing the information of confirming the mobile cluster in which the user equipment is located includes:
  • the mobile cluster After successfully negotiating with the other user equipments, the mobile cluster is formed and the information of the mobile cluster is confirmed.
  • the D2D-based mobility management method and the storage device of the present application form a virtual cluster group by combining service clusters whose transition probability is greater than a predetermined probability threshold, so that the coverage of the cluster becomes wider for the user equipment. , thereby reducing the frequency of handover and thus reducing the signaling overhead during handover.
  • the control signaling interaction between the cluster head and all user equipments in the mobile cluster is implemented, thereby realizing group switching and reducing signaling interaction.
  • FIG. 1 is a flowchart of a D2D-based mobility management method provided by a first embodiment of the present application
  • FIG. 2 is a schematic diagram of a specific embodiment of a virtual cluster group in the mobility management method shown in FIG. 1;
  • FIG. 3 is a flowchart of a D2D-based mobility management method according to a second embodiment of the present application.
  • FIG. 4 is a schematic diagram of a specific embodiment of a mobile cluster in the mobility management method shown in FIG. 3;
  • FIG. 5 is a flowchart of a D2D-based mobility management method according to a third embodiment of the present application.
  • FIG. 6 is a schematic structural diagram of a D2D-based mobility management apparatus according to an embodiment of the present application.
  • FIG. 7 is a schematic structural diagram of a storage device according to an embodiment of the present application.
  • FIG. 8 is a schematic structural diagram of a user equipment according to an embodiment of the present application.
  • FIG. 1 is a flowchart of a D2D-based mobility management method provided by a first embodiment of the present application.
  • the execution body of the first embodiment of the mobile management method of the present application may be a user equipment, and the user equipment is mobile, which may be a cellular phone, a personal digital assistant (PDA), a wireless modem, a tablet computer, a notebook computer, a cordless telephone, etc.;
  • the main body may also be a base station, and the base station connects to the core network and performs wireless communication with the user equipment to provide communication coverage for the corresponding geographical area.
  • the base station may be a macro base station, a micro base station, a pico base station, or a femtocell.
  • a base station may also be referred to as a radio base station, an access point, a Node B, an evolved Node B (eNodeB, eNB), gNB, or other suitable terminology.
  • the method includes the steps of:
  • Step S101 Acquire transfer data between a plurality of service clusters.
  • Step S102 Statistics of transition probabilities between different service clusters according to the transfer data.
  • the transition probability between the service clusters may be a transition probability, may be a turn-off probability, or may be a sum of the transfer probability and the roll-out probability or a weighted sum, and may also be a transfer probability and a transfer probability.
  • both A and B are service clusters. It is assumed that among all the transferred data, a total of A00 UEs are transferred (or switched) from the A service cluster to other service clusters, among which A ib UEs are transferred from the A service cluster to the B service cluster, and there are a total of A j0 UEs.
  • the other service clusters are transferred to the A service cluster, where A jb UEs are transferred from the B service cluster to the A service cluster, and for the A service cluster, the transfer probability between the service cluster and the B service cluster is A ib /A i0 The probability of transfer is A jb /A j0 .
  • Step S103 Divide the plurality of service clusters into at least one virtual cluster group according to the transition probability, wherein a transition probability between each service cluster in the same virtual cluster group and the other at least one service cluster is greater than a preset probability threshold.
  • the step of dividing the plurality of service clusters into at least one virtual cluster group according to the transition probability may be: acquiring a plurality of service clusters whose transition probability is higher than a predetermined probability threshold to form a service cluster group, The signal strengths of the plurality of service clusters adjacent to each service cluster are respectively acquired in the service cluster group; the service clusters whose signal strength is higher than the predetermined strength are combined to form a plurality of virtual cluster groups.
  • the virtual cluster may be formed in other manners as long as the transition probability between each service cluster and the other at least one service cluster in the same virtual cluster group is greater than a preset probability threshold.
  • Step S104 Send information of the virtual cluster group in which the service cluster is located to control that all service clusters in the same virtual cluster group share the same cluster identifier.
  • step S104 the virtual cluster group shares the same cluster mark, wherein the cluster identifier is used to distinguish at least one of a synchronization signal, a broadcast channel, and a cluster reference signal.
  • the intra-cell handover by the user equipment through multiple virtual cluster groups refers specifically to the same cell, and the user equipment is transferred from the service of several user equipments in a virtual service cluster group to the direct service by the base station or by one.
  • the user equipment performs inter-cell handover through multiple virtual cluster groups, which means that the user equipment is directly served by a certain base station or is transferred by several user equipment services in the virtual service cluster group under the jurisdiction of the base station to be directly served by the new base station or newly The process of several user equipment services in a virtual service cluster group under the base station.
  • FIG. 2 is a schematic diagram of a specific embodiment of a virtual cluster group in the mobility management method shown in FIG. 1.
  • UE1, UE2, and UE3 are user equipments.
  • UE1 and UE2 form a service cluster C1
  • UE1 and UE3 form a service cluster C2
  • service cluster C1 and service cluster C2 form a virtual cluster group C.
  • UE1 moves from service cluster C1 to service cluster C2 since service cluster C1 and service cluster C2 have the same cluster identifier in the same virtual cluster group C, intra-cell handover is not required, thereby reducing signaling. Interaction.
  • the UE1 when the UE1 moves from the service cluster C1 to the service cluster C2, the UE1 needs to switch the relay through the UE2 and the base station A to the relay through the UE3 and the base station A, thereby increasing the signaling interaction. .
  • FIG. 3 is a flowchart of a D2D-based mobility management method according to a second embodiment of the present application.
  • the execution entity of the second embodiment of the mobility management method of the present application is a base station. As shown in FIG. 2, the method includes the following steps:
  • Step S201 Confirming the information of the mobile cluster, the mobile cluster includes at least two user equipments, and the mobility information of all the user equipments in the same mobile cluster belongs to the same range, and one user equipment in the mobile cluster is the cluster head.
  • step S201 the step of confirming the information of the mobile cluster includes: dividing the mobile cluster according to the mobility information of the user equipment or receiving the information of the mobile cluster reported by the user equipment.
  • the mobile cluster includes at least two user equipments, and the mobility information of all user equipments in the same mobile cluster belongs to the same range.
  • the mobility information of the user equipment is at least one of a motion speed and a motion direction of the user equipment.
  • one user equipment in the mobile cluster is a cluster head, wherein the cluster head is selected from the user equipments of the mobile cluster in a manner of competition, polling, and base station designation.
  • the formation mode of the mobile cluster and the selection method of the cluster head it can be divided into six different operation modes:
  • the operation when the base station divides the mobile cluster according to the mobility information of the user equipment, and the cluster head is selected from the user equipment of the mobile cluster in a competitive manner, the operation includes:
  • the base station divides the mobile cluster according to the mobility information of the user equipment, where the mobility information may be reported by the user equipment, or may be calculated by the base station according to the location record of the user equipment, and then the base station sends the information of the mobile cluster to the mobile cluster. All user equipments select the cluster heads in a competitive manner.
  • multiple user equipments periodically broadcast their own capability indicators and mobility information using a sidelink channel.
  • the capability indicators include maximum transmit power, coverage, measured signal quality from the base station, and remaining At least one of the power levels, and receiving capability indicators and mobility information of other user equipments; after the end of the competition period, a user equipment having the largest capability indicator identifies itself as a cluster head and reports to the base station, and then broadcasts a notification as a cluster head or The other user equipments in the mobile cluster are notified by the base station.
  • the operation specifically includes:
  • the base station divides the mobile cluster according to the mobility information of the user equipment, where the mobility information may be reported by the user equipment, or may be calculated by the base station according to the location record of the user equipment.
  • the base station sends the information of the mobile cluster to all user equipments in the mobile cluster, and in turn queries whether each user equipment in the mobile cluster is willing to act as a cluster head until receiving a response from a user equipment, and then the user equipment is used as a cluster. first.
  • the operation when the base station divides the mobile cluster according to the mobility information of the user equipment, and the cluster head is selected from the user equipment of the mobile cluster in a manner specified by the base station, the operation includes:
  • the base station divides the mobile cluster according to the mobility information of the user equipment, where the mobility information may be reported by the user equipment, or may be calculated by the base station according to the location record of the user equipment.
  • the base station sends the information of the mobile cluster to all user equipments in the mobile cluster, and directly designates one user equipment as the cluster head.
  • the user equipment designated as the cluster head may be the user equipment with the best signal quality received by the base station, or the user equipment with the most interaction with the base station, and the like.
  • the operations include:
  • the capability indicators include the maximum transmit power, coverage, measured signal quality from the base station, and remaining power level. At least one of, and receive capability indicators and mobility information of other user equipments.
  • the user equipment with the highest capability index identifies itself as the cluster head and broadcasts the notification as the cluster head. If other user equipments receiving the notification agree to join the mobile cluster and the mobility information matches the cluster head, A response message is sent to the cluster head, and then the cluster head can confirm which user equipments are in the mobile cluster and notify the base station.
  • the operation specifically includes:
  • a plurality of user equipments periodically broadcast their own mobility information using a side link channel and receive mobility information of other user equipments.
  • the user equipment determines whether other user equipments that match its own mobility information are found, and if found, sends a join message to one of the other user equipments that match its own mobility information, indicating that it is willing to join the cluster.
  • the user equipment that is broadcast first determines the user equipments in the mobile cluster and notifies the base station after receiving the response message.
  • the user equipment that is first broadcasted is the user equipment whose channel resource is the highest or the first to compete for the channel resource.
  • the base station in turn queries whether each user equipment in the mobile cluster is willing to act as a cluster head until receiving a response from a certain user equipment, and then the user equipment is used as a cluster head.
  • the operation specifically includes:
  • a plurality of user equipments periodically broadcast their own mobility information using a side link channel and receive mobility information of other user equipments.
  • the user equipment determines whether other user equipments that match its own mobility information are found, and if found, sends a join message to one of the other user equipments that match its own mobility information, indicating that it is willing to join the cluster.
  • the user equipment that is broadcast first determines the user equipments in the mobile cluster and notifies the base station after receiving the response message.
  • the user equipment that is first broadcasted is the user equipment whose channel resource is the highest or the first to compete for the channel resource.
  • the base station sends the information of the mobile cluster to all user equipments in the mobile cluster, and directly designates one user equipment as the cluster head.
  • the user equipment designated as the cluster head may be the user equipment with the best signal quality received by the base station, or the user equipment with the most interaction with the base station, and the like.
  • the cluster head in the mobile cluster serves as a relay of communication between other user equipments and the base station, and is responsible for control signaling and user data transmission between other user equipments and the base station.
  • at least two user equipments in the mobile cluster may be mutually relayed and closely connected. For example, if the mobile cluster includes the user equipment UE1 and the user equipment UE2, the UE1 and the UE2 are mutually relayed, that is, the UE1 communicates with the base station through the UE2, and the UE2 communicates with the base station through the UE1.
  • Step S202 Perform control signaling interaction with all user equipments in the mobile cluster through the cluster head.
  • step S201 the base station performs control signaling interaction with all user equipments in the mobile cluster through the cluster head.
  • the user equipment in all other mobile clusters of the cluster head agent performs signaling interaction with the base station, so that the process of signaling interaction between each user equipment and the base station in the handover process of the prior art can be avoided.
  • each user equipment in the mobile cluster needs to perform signaling interaction with the base station currently communicating and the base station to be communicated, and in the present application, a cluster head and a mobile cluster are selected.
  • the base stations interact to implement group switching, thereby reducing signaling interaction.
  • FIG. 4 is a schematic diagram of a specific embodiment of a mobile cluster in the mobility management method shown in FIG.
  • UE1, UE2, and UE3 are user equipments.
  • the moving directions of UE1 and UE2 are the same to form a mobile cluster D.
  • UE2 is the cluster head of mobile cluster D.
  • user equipments UE1 and UE2 in mobile cluster D only need UE2 and two base stations, ie, base station A and base station B, and UE1 saves interaction with two base stations. Process.
  • FIG. 5 is a flowchart of a D2D-based mobility management method according to a third embodiment of the present application.
  • the execution body of the third embodiment of the mobile management method of the present application is a user equipment. As shown in FIG. 5, the method includes the following steps:
  • Step S301 Confirm the information of the mobile cluster in which the mobile cluster includes at least two user equipments, and the mobility information of all the user equipments in the same mobile cluster belongs to the same range, and one user equipment in the mobile cluster is the cluster head.
  • step S301 confirming the information of the mobile cluster in which the mobile cluster is located includes: receiving information from the mobile cluster of the base station or the cluster head; or forming information about the mobile cluster and confirming the mobile cluster after successfully negotiating with other user equipments.
  • the mobile cluster includes at least two user equipments, and the mobility information of all user equipments in the same mobile cluster belongs to the same range.
  • the mobility information of the user equipment is at least one of a motion speed and a motion direction of the user equipment.
  • one user equipment in the mobile cluster is a cluster head, wherein the cluster head is selected from the user equipments of the mobile cluster in a manner of competition, polling, and base station designation.
  • the mobile cluster is formed and the manner in which the cluster head is selected, it may be specifically divided into six different operation modes, which are the same as the six in the step S201 in the second embodiment shown in FIG. 2 .
  • the operation is the same, for the sake of simplicity, it will not be repeated here.
  • Step S302 Perform control signaling interaction with the base station by using the cluster head.
  • step S302 if the execution subject of the embodiment is not a cluster head, the control signaling is sent to the cluster head, and then the control signaling is forwarded by the cluster head to the base station, and/or the control from the base station is received by the cluster head. Signaling, so as to implement signaling interaction with the base station through the cluster head; if the execution body of the embodiment is a cluster head, it can directly perform control signaling interaction with the base station. In addition, if the execution subject of the embodiment is a cluster head, all other user equipments in the cluster cluster as the cluster head proxy perform control signaling interaction with the base station.
  • FIG. 6 is a schematic structural diagram of a D2D-based mobility management apparatus according to an embodiment of the present application.
  • the apparatus includes a processor 301 coupled to a communication circuit 302, a communication circuit 302 for transmitting and receiving data, and a processor 301 for transmitting and receiving data according to the communication circuit 301. Processing is performed and the D2D-based mobility management method set forth in the above embodiments is implemented.
  • FIG. 7 is a schematic structural diagram of a storage device according to an embodiment of the present disclosure. As shown in FIG. 7, the storage device 400 stores program data 401, which can be executed to implement the following steps:
  • transition probabilities include a transfer probability, a transfer probability, a sum of the transfer probability and the transfer probability, a transfer probability, and a transfer probability Any of the products of the sum, the probability of transition, and the probability of transition;
  • the cluster identifier is used to distinguish at least one of a synchronization signal, a broadcast channel, and a cluster reference signal.
  • the step of dividing the plurality of service clusters into at least one virtual cluster group according to the transition probability comprises:
  • the service clusters having a signal strength higher than a predetermined strength are combined to form a plurality of virtual cluster groups.
  • the program data 401 can also be executed to implement the following steps:
  • the base station confirms the information of the mobile cluster, where the mobile cluster includes at least two user equipments, and the mobility information of all the user equipments in the same mobile cluster belongs to the same range, and one of the mobile clusters Cluster head;
  • the base station performs control signaling interaction with all the user equipments in the mobile cluster through the cluster head.
  • the cluster head is selected from the user equipments of the mobile cluster in a manner of contention, polling, and base station designation.
  • the step of implementing the information that the base station confirms the mobile cluster includes:
  • the base station receives information about the mobile cluster reported by the user equipment.
  • the program data 401 can also be executed to implement the following steps:
  • Confirming information of a mobile cluster in which the user equipment is located the mobile cluster includes at least two user equipments, and mobility information of all the user equipments in the same mobile cluster belongs to the same range, and one of the mobile clusters
  • the user equipment is a cluster head
  • the step of implementing the information of confirming the mobile cluster in which the user equipment is located includes:
  • the mobile cluster After successfully negotiating with the other user equipments, the mobile cluster is formed and the information of the mobile cluster is confirmed.
  • FIG. 8 is a schematic structural diagram of a user equipment provided by an embodiment of the present application.
  • the user equipment may be used to implement the D2D-based mobility management method provided in the foregoing embodiment.
  • the user device 1200 can be a smartphone or a tablet.
  • the user equipment 1200 may include an RF (Radio Frequency) circuit 110, a memory 120 including one or more (only one shown) computer-readable storage medium, an input unit 130, and a display unit. 140, sensor 150, audio circuit 160, transmission module 170, including processor 180 having one or more processing cores (only one shown) and power supply 190 and the like.
  • RF Radio Frequency
  • the user equipment 1200 structure shown in FIG. 8 does not constitute a limitation to the user equipment 1200, and may include more or less components than those illustrated, or combine some components, or different components. Arrangement. among them:
  • the RF circuit 110 is configured to receive and transmit electromagnetic waves, and realize mutual conversion between electromagnetic waves and electrical signals, thereby communicating with a communication network or other devices.
  • the RF circuit 110 may include various existing circuit elements for performing these functions, such as an antenna, a radio frequency transceiver, a digital signal processor, an encryption/decryption chip, a Subscriber Identity Module (SIM) card, a memory, and the like.
  • SIM Subscriber Identity Module
  • the RF circuit 110 can communicate with various networks such as the Internet, an intranet, a wireless network, or communicate with other devices over a wireless network.
  • the wireless network described above may include a cellular telephone network, a wireless local area network, or a metropolitan area network.
  • the above wireless networks may use various communication standards, protocols and technologies, including but not limited to global mobile communication systems (Global System for Mobile Communication, GSM), Enhanced Mobile Communication Technology (Enhanced Data GSM Environment, EDGE), Wideband Code Division Multiple Access (Wideband Code) Division Multiple Access, WCDMA), Code Division Multiple Access (Code Division) Access, CDMA), Time Division Multiple Access (TDMA), Wireless Fidelity (Wireless Fidelity, Wi-Fi) (such as the Institute of Electrical and Electronics Engineers Standard IEEE 802.11a, IEEE 802.11b, IEEE 802.11g and / or IEEE 802.11n), VoIP (Voice) Over Internet Protocol, VoIP), Worldwide Interoperability for Microwave Access (Worldwide Interoperability for Microwave Access, Wi-Max, other protocols for mail, instant messaging, and short messages, as well as any other suitable communication protocol, may even include protocols that are not currently being developed.
  • GSM Global System for Mobile Communication
  • EDGE Enhanced Mobile Communication Technology
  • WCDMA Wideband Code Division Multiple Access
  • CDMA Code Division Multiple
  • the memory 120 can be used to store software programs and modules, such as the program instructions/modules corresponding to the D2D-based mobility management method in the above embodiment, and the processor 180 executes various functional applications by running software programs and modules stored in the memory 120. And the data processing, after the user equipment confirms the information of the mobile cluster, performs control signaling interaction between all the user equipments in the mobile cluster through the cluster head, thereby implementing group switching and reducing signaling interaction.
  • Memory 120 can include high speed random access memory, and can also include non-volatile memory, such as one or more magnetic storage devices, flash memory, or other non-volatile solid state memory. In some examples, memory 120 can further include memory remotely located relative to processor 180, which can be connected to user device 1200 over a network. Examples of such networks include, but are not limited to, the Internet, intranets, local area networks, mobile communication networks, and combinations thereof.
  • the input unit 130 can be configured to receive input numeric or character information and to generate keyboard, mouse, joystick, optical or trackball signal inputs related to user settings and function controls.
  • input unit 130 can include touch-sensitive surface 131 as well as other input devices 132.
  • Touch-sensitive surface 131 also referred to as a touch display or trackpad, can collect touch operations on or near the user (such as a user using a finger, stylus, etc., on any suitable object or accessory on touch-sensitive surface 131 or The operation near the touch-sensitive surface 131) and driving the corresponding connecting device according to a preset program.
  • the touch-sensitive surface 131 can include two portions of a touch detection device and a touch controller.
  • the touch detection device detects the touch orientation of the user, and detects a signal brought by the touch operation, and transmits the signal to the touch controller; the touch controller receives the touch information from the touch detection device, converts the touch information into contact coordinates, and sends the touch information.
  • the processor 180 is provided and can receive commands from the processor 180 and execute them.
  • the touch-sensitive surface 131 can be implemented in various types such as resistive, capacitive, infrared, and surface acoustic waves.
  • the input unit 130 can also include other input devices 132.
  • other input devices 132 may include, but are not limited to, one or more of a physical keyboard, function keys (such as volume control buttons, switch buttons, etc.), trackballs, mice, joysticks, and the like.
  • Display unit 140 can be used to display information entered by the user or information provided to the user as well as various graphical user interfaces of user device 1200, which can be composed of graphics, text, icons, video, and any combination thereof.
  • the display unit 140 may include a display panel 141, and optionally, an LCD (Liquid may be used)
  • the display panel 141 is configured in the form of a Crystal Display (LCD) or an OLED (Organic Light-Emitting Diode).
  • touch-sensitive surface 131 may cover the display panel 141, and when the touch-sensitive surface 131 detects a touch operation thereon or nearby, it is transmitted to the processor 180 to determine the type of the touch event, and then the processor 180 according to the touch event The type provides a corresponding visual output on display panel 141.
  • touch-sensitive surface 131 and display panel 141 are implemented as two separate components to implement input and output functions, in some embodiments, touch-sensitive surface 131 can be integrated with display panel 141 for input. And output function.
  • User device 1200 may also include at least one type of sensor 150, such as a light sensor, motion sensor, and other sensors.
  • the light sensor may include an ambient light sensor and a proximity sensor, wherein the ambient light sensor may adjust the brightness of the display panel 141 according to the brightness of the ambient light, and the proximity sensor may close the display panel 141 when the user device 1200 moves to the ear. And / or backlight.
  • the gravity acceleration sensor can detect the magnitude of acceleration in all directions (usually three axes). When it is stationary, it can detect the magnitude and direction of gravity.
  • the audio circuit 160, the speaker 161, and the microphone 162 can provide an audio interface between the user and the user device 1200.
  • the audio circuit 160 can transmit the converted electrical data of the received audio data to the speaker 161 for conversion to the sound signal output by the speaker 161; on the other hand, the microphone 162 converts the collected sound signal into an electrical signal by the audio circuit 160. After receiving, it is converted into audio data, and then processed by the audio data output processor 180, transmitted to the terminal, for example, via the RF circuit 110, or outputted to the memory 120 for further processing.
  • the audio circuit 160 may also include an earbud jack to provide communication of the peripheral earphones with the user device 1200.
  • the user equipment 1200 can help the user to send and receive emails, browse web pages, access streaming media, etc. through the transmission module 170 (eg, Wi-Fi module), which provides wireless broadband Internet access to the user.
  • the transmission module 170 eg, Wi-Fi module
  • FIG. 8 shows the transmission module 170, it can be understood that it does not belong to the essential configuration of the user equipment 1200, and may be omitted as needed within the scope of not changing the essence of the invention.
  • the processor 180 is the control center of the user device 1200, connecting various portions of the entire handset with various interfaces and lines, by running or executing software programs and/or modules stored in the memory 120, and recalling data stored in the memory 120.
  • the various functions and processing data of the user equipment 1200 are executed to perform overall monitoring of the mobile phone.
  • the processor 180 may include one or more processing cores; in some embodiments, the processor 180 may integrate an application processor and a modem processor, wherein the application processor mainly processes an operating system, a user interface, and For applications, etc., the modem processor primarily handles wireless communications. It can be understood that the above modem processor may not be integrated into the processor 180.
  • User equipment 1200 also includes a power supply 190 (such as a battery) that powers the various components.
  • the power supply can be logically coupled to processor 180 through a power management system to manage charging, discharging, and power consumption through the power management system. Management and other functions.
  • Power supply 190 may also include any one or more of a DC or AC power source, a recharging system, a power failure detection circuit, a power converter or inverter, a power status indicator, and the like.
  • the user equipment 1200 may further include a camera (such as a front camera, a rear camera), a Bluetooth module, and the like, and details are not described herein.
  • the display unit 140 of the user equipment 1200 is a touch screen display
  • the user equipment 1200 further includes a memory 120, and one or more programs, wherein one or more programs are stored in the memory 120 and configured
  • Executing one or more programs by one or more processors 180 includes instructions for performing the following operations:
  • the cluster identifier is used to distinguish at least one of a synchronization signal, a broadcast channel, and a cluster reference signal.
  • the processor 180 is configured to perform the operation of dividing the multiple service clusters into at least one virtual cluster group according to the transition probability, including:
  • the service clusters having a signal strength higher than a predetermined strength are combined to form a plurality of virtual cluster groups.
  • the processor 180 is further configured to:
  • the device is a cluster head
  • the operation of the processor 180 for performing the information of the mobile cluster in which the confirmation is performed includes:
  • the mobile cluster After successfully negotiating with the other user equipments, the mobile cluster is formed and the information of the mobile cluster is confirmed.
  • the processor 180 is further configured to:
  • All other user equipments in the cluster cluster as the cluster head proxy perform control signaling interaction with the base station.
  • the D2D-based mobility management method and the storage device of the present application form a virtual cluster group by combining service clusters whose transition probability is greater than a predetermined probability threshold, so that the coverage of the cluster becomes wider for the user equipment. , thereby reducing the frequency of handover and thus reducing the signaling overhead during handover.
  • the control signaling interaction between the cluster head and all user equipments in the mobile cluster is implemented, thereby realizing group switching and reducing signaling interaction.
  • the disclosed system, apparatus, and method may be implemented in other manners.
  • the device implementations described above are merely illustrative.
  • the division of the modules or units is only a logical function division.
  • there may be another division manner for example, multiple units or components may be used. Combinations can be integrated into another system, or some features can be ignored or not executed.
  • the mutual coupling or direct coupling or communication connection shown or discussed may be an indirect coupling or communication connection through some interface, device or unit, and may be in an electrical, mechanical or other form.
  • the units described as separate components may or may not be physically separated, and the components displayed as units may or may not be physical units, that is, may be located in one place, or may be distributed to multiple network units. Some or all of the units may be selected according to actual needs to achieve the purpose of the solution of the present embodiment.
  • each functional unit in each embodiment of the present application may be integrated into one processing unit, or each unit may exist physically separately, or two or more units may be integrated into one unit.
  • the above integrated unit can be implemented in the form of hardware or in the form of a software functional unit.
  • the integrated unit if implemented in the form of a software functional unit and sold or used as a standalone product, may be stored in a computer readable storage medium.
  • a computer device which may be a personal computer, server, or network device, etc.
  • the foregoing storage medium includes: a U disk, a mobile hard disk, a read-only memory (ROM), and a random access memory (RAM, Random Access).
  • ROM read-only memory
  • RAM random access memory
  • the storage medium may be the storage device described in the embodiments of the present application.

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

Abstract

La présente invention concerne un procédé de gestion de mobilité de dispositif à dispositif (D2D) et un dispositif de stockage. Le procédé consiste à : acquérir des données de transfert parmi de multiples grappes de services ; calculer la probabilité de transfert entre différentes grappes de services en fonction des données de transfert ; regrouper les multiples grappes de services en au moins un groupe de grappes virtuel en fonction de la probabilité de transfert ; et envoyer, à chaque grappe de services, les informations du groupe de grappes virtuel dans lequel se trouve la grappe de services, de façon à commander l'ensemble des grappes de services dans le même groupe de grappes virtuel pour partager une même identification de grappe.
PCT/CN2018/109916 2017-10-11 2018-10-11 Procédé de gestion de mobilité de dispositif à dispositif (d2d) et dispositif de stockage Ceased WO2019072216A1 (fr)

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CN107820288B (zh) * 2017-10-11 2020-09-11 捷开通讯(深圳)有限公司 一种基于d2d的移动管理方法、装置及存储设备
WO2022188996A1 (fr) 2021-03-12 2022-09-15 Nokia Technologies Oy Appareil, procédé et programme informatique

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