WO2017148339A1 - Procédé et dispositif de commande de connexion de réseau - Google Patents

Procédé et dispositif de commande de connexion de réseau Download PDF

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Publication number
WO2017148339A1
WO2017148339A1 PCT/CN2017/074935 CN2017074935W WO2017148339A1 WO 2017148339 A1 WO2017148339 A1 WO 2017148339A1 CN 2017074935 W CN2017074935 W CN 2017074935W WO 2017148339 A1 WO2017148339 A1 WO 2017148339A1
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WIPO (PCT)
Prior art keywords
mobile terminal
cell
access device
location information
signaling
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PCT/CN2017/074935
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English (en)
Chinese (zh)
Inventor
王三新
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深圳市金立通信设备有限公司
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Publication of WO2017148339A1 publication Critical patent/WO2017148339A1/fr

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W36/00—Hand-off or reselection arrangements
    • H04W36/08—Reselecting an access point
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W36/00—Hand-off or reselection arrangements
    • H04W36/0005—Control or signalling for completing the hand-off
    • H04W36/0055—Transmission or use of information for re-establishing the radio link
    • H04W36/0061—Transmission or use of information for re-establishing the radio link of neighbour cell information
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W36/00—Hand-off or reselection arrangements
    • H04W36/24—Reselection being triggered by specific parameters
    • H04W36/32—Reselection being triggered by specific parameters by location or mobility data, e.g. speed data
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W36/00—Hand-off or reselection arrangements
    • H04W36/0005—Control or signalling for completing the hand-off
    • H04W36/0055—Transmission or use of information for re-establishing the radio link
    • H04W36/0077—Transmission or use of information for re-establishing the radio link of access information of target access point
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W36/00—Hand-off or reselection arrangements
    • H04W36/24—Reselection being triggered by specific parameters
    • H04W36/32—Reselection being triggered by specific parameters by location or mobility data, e.g. speed data
    • H04W36/322—Reselection being triggered by specific parameters by location or mobility data, e.g. speed data by location data
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W76/00—Connection management
    • H04W76/20—Manipulation of established connections

Definitions

  • the present invention relates to the field of wireless communication technologies, and in particular, to a network connection control method and device.
  • LTE Long Term Evolution
  • the application device can establish a connection with the application server by establishing a Radio Resource Control (RRC) connection with the LTE network.
  • RRC Radio Resource Control
  • the data exchange, and the process of establishing the RRC connection that is, the process that the UE changes from the idle (IDLE) state to the CONNECTED state, generates a large amount of signaling, including: RRC, radio link control (Radio Link Control) , RLC), medium access control (MAC), and physical downlink control channel (PDCCH) signaling.
  • the application server of each application actively pushes information to the UE through the LTE network more frequently, which may result in a more frequent paging process, thereby generating more paging signaling. Therefore, frequent RRC connection setup and paging procedures can cause severe signaling load on the LTE network.
  • the LTE network may configure a long discontinuous reception (DRX) period to keep the UE in a connected state for as long as possible.
  • DRX discontinuous reception
  • the UE under DRX stops monitoring the PDCCH for a period of time.
  • 3GPP Third Generation Partnership Project
  • IDLE DRX is a discontinuous reception when the UE is in the IDLE state. Since there is no RRC connection and the user's proprietary resources when in the IDLE state, this is mainly to monitor the call channel and the broadcast channel, as long as the definition is fixed. The DRX cycle can achieve the purpose of discontinuous reception. If the UE wants to listen to the user data channel, it needs to enter the connection state from the IDLE state first.
  • the active DRX (ACTIVE DRX), that is, the DRX in the RRC-CONNECTED state of the UE.
  • the UE does not need to constantly monitor the downlink data and related processing for a period of time, and there is still an RRC connection.
  • the DRX with the aforementioned configuration may be ACTIVE DRX.
  • the LTE network is configured with a longer DRX period for the UE, which causes the UE to be in a connected state for a long time.
  • the UE in the connected state needs to perform cell handover when moving between cells, which may result in signaling requirements for a large number of cell handovers.
  • the interaction of UE context information In particular, the interaction of UE context information. Therefore, the scheme for reducing signaling in the above scheme is not ideal, and the load of communication network signaling is still heavy.
  • Embodiments of the present invention provide a network connection control method and device, which are used to reduce the load of communication network signaling.
  • the present invention provides a paging control method for a mobile terminal, including:
  • the connection state is maintained, the cell measurement is performed, then the cell reselection is performed according to the result of the cell measurement, and the cell handover is not initiated;
  • the mobile terminal After the cell reselection is completed, the mobile terminal sends the current location information of the mobile terminal to the management device of the access device corresponding to the cell where the mobile terminal is currently located.
  • the mobile terminal in the connected state maintains the connected state after completing data transmission and reception, including:
  • the mobile terminal in the connected state keeps monitoring the physical downlink control signal after completing data transmission and reception. Or; extending the period of the discontinuous reception of the activity, so that the mobile terminal in the connected state maintains the connected state after completing the data transmission and reception.
  • the sending, by the management device of the access device corresponding to the cell where the mobile terminal is currently located, the current location information of the mobile terminal includes:
  • the uplink signaling includes:
  • Physical layer signaling Physical layer signaling, medium access control layer signaling, or radio resource control layer signaling.
  • the method before the sending the current location information of the mobile terminal to the management device of the access device corresponding to the cell where the mobile terminal is currently located, the method further includes:
  • the cell reselection is counted, and if the cell reselection times reaches the threshold, the management device that performs the access device corresponding to the cell currently in which the mobile terminal is currently located is sent the current location information of the mobile terminal.
  • the method before counting the cell reselection, the method further includes:
  • the access device is a long-term evolution type base station
  • the management device is a mobility management entity
  • the second embodiment of the present invention further provides a paging control method for a mobile terminal, including:
  • the management device of the access device receives the location information of the mobile terminal; the location information is kept in a connected state after the data is transmitted and received by the mobile terminal in the connected state, performs cell measurement, and then performs cell reselection according to the result of the cell measurement and does not initiate cell handover. And the mobile terminal is sent by the calibration access device after the cell reselection is completed; the calibration access device is an access device corresponding to the cell where the mobile terminal is currently located;
  • the management device After the management device determines that the mobile terminal needs to be paged, it sends paging signaling to the calibration access device.
  • the method before the management device receives the location information of the mobile terminal, the method further includes:
  • the sending the paging signaling to the calibration access device includes:
  • Paging signaling is sent to an access device that is within range of the set threshold from the calibration access device.
  • the method before sending the configuration information to the mobile terminal, the method further includes:
  • the threshold value is determined according to the moving speed of the mobile terminal, the number of signaling required by the mobile terminal to transmit the location information, and the number of paging signaling that can be reduced due to the sending of the location information.
  • the third embodiment of the present invention further provides another paging control method for a mobile terminal, including:
  • the access device establishes a connection with the mobile terminal, and completes data transmission and reception with the mobile terminal;
  • the access device receives the current location information of the mobile terminal, and forwards the location information to the management device of the access device; the location information is maintained by the mobile terminal in the connected state after the data is transmitted and received. Performing cell measurement and then performing cell reselection according to the result of the cell measurement, and does not initiate cell handover, and is sent after the mobile terminal completes cell reselection.
  • the method before the access device receives the current location information of the mobile terminal, the method further includes:
  • the threshold is used to indicate that the mobile terminal sends the current location information of the mobile terminal after the number of cell reselections reaches the threshold.
  • the fourth embodiment of the present invention further provides a mobile terminal, including:
  • connection control unit configured to control a mobile terminal in a connected state to maintain a connection state after completing data transmission and reception
  • a measuring unit configured to perform cell measurement when the mobile terminal remains in a connected state, and then perform cell reselection according to a result of the cell measurement
  • a reselecting unit configured to perform cell reselection in an idle state according to a result of cell measurement by the measuring unit
  • a handover control unit configured to control not to initiate a cell handover when the reselection unit performs cell reselection
  • connection control unit is specifically configured to keep monitoring the physical downlink control channel after the data terminal in the connected state completes data transmission and reception; or extend the period of active discontinuous reception, so that the The mobile terminal in the connected state keeps the connection state after completing the data transmission and reception.
  • the information sending unit is specifically configured to send uplink signaling to an access device corresponding to the cell where the mobile terminal is currently located, where the uplink signaling is used to trigger the current location of the mobile terminal.
  • the access device corresponding to the cell sends the cell where the mobile terminal is currently located to the management device.
  • the mobile terminal further includes:
  • a counting unit configured to count cell reselection
  • the information sending unit is configured to: if the cell reselection times counted by the counting unit reaches a threshold, perform the sending to the management device of the access device corresponding to the cell where the mobile terminal is currently located The current location information of the terminal.
  • the mobile terminal further includes:
  • a configuration receiving unit configured to receive configuration information sent by the management device, where the threshold value is specified in the configuration information.
  • the fifth embodiment of the present invention further provides a management device for an access device, including:
  • the information receiving unit is configured to receive location information of the mobile terminal; the location information is kept in a connected state after the data is transmitted and received by the mobile terminal in the connected state, performs cell measurement, and then performs cell reselection according to the result of the cell measurement, and does not initiate cell handover. And the mobile terminal is sent by the calibration access device after the cell reselection is completed; the calibration access device is an access device corresponding to the cell where the mobile terminal is currently located;
  • a paging determining unit configured to determine whether the mobile terminal needs to be paged
  • a paging sending unit configured to send paging signaling to the calibration access device after the paging determining unit determines that the mobile terminal needs to be paged.
  • the management device further includes:
  • a configuration sending unit configured to send configuration information to the mobile terminal, and specify a threshold value in the configuration information
  • the paging sending unit is configured to range the set threshold value from the calibration access device The access device within the station sends paging signaling.
  • the management device further includes:
  • a threshold determining unit configured to determine the gate according to a moving speed of the mobile terminal, a quantity of signaling required by the mobile terminal to send the location information, and a quantity of paging signaling that can be reduced due to sending the location information Limit.
  • the sixth embodiment of the present invention further provides an access device, including:
  • a first communication unit configured to: after receiving a connection with the mobile terminal, complete data transmission and reception with the mobile terminal; receive current location information of the mobile terminal; and the location information is completed by the mobile terminal in the connected state. After the sending and receiving, the connection state is maintained, the cell measurement is performed, then the cell reselection is performed according to the result of the cell measurement, and the cell handover is not initiated, and is sent after the mobile terminal completes the cell reselection;
  • a second communication unit configured to forward the location information to a management device of the access device.
  • the second communication unit is further configured to: before the first communication unit receives current location information of the mobile terminal, receive configuration information sent by the management device, where the configuration Specify a threshold value in the information;
  • the first communication unit is further configured to forward the configuration information to the mobile terminal, where the threshold is used to indicate that the mobile terminal sends the mobile terminal after the number of cell reselections reaches the threshold Current location information.
  • the embodiment of the present invention has the following advantages: the mobile terminal informs the management device of the location information of the mobile terminal, so when the management device needs to find the mobile terminal, it does not need to access all the access devices in the tracking area.
  • Sending paging signaling does not require all base stations in the tracking area to broadcast paging signaling to find the mobile terminal, so paging signaling can be reduced; in addition, the mobile terminal can remain in the connected state for a long time, and can Less switching between the idle state and the connected state reduces the signaling overhead required for state switching; in addition, the mobile terminal performs cell measurement and reselection in an idle state during the process of maintaining the connection state, which will not result in The cell handover procedure is triggered, so the signaling overhead required for cell handover is not added.
  • the above technical solution can reduce the load of communication network signaling.
  • FIG. 1 is a schematic structural diagram of a system according to an embodiment of the present invention.
  • FIG. 2 is a schematic flowchart of a method according to an embodiment of the present invention.
  • FIG. 3 is a schematic flowchart of a method according to an embodiment of the present invention.
  • FIG. 4 is a schematic flowchart of a method according to an embodiment of the present invention.
  • FIG. 5 is a schematic structural diagram of a mobile terminal according to an embodiment of the present invention.
  • FIG. 6 is a schematic structural diagram of a mobile terminal according to an embodiment of the present invention.
  • FIG. 7 is a schematic structural diagram of a mobile terminal according to an embodiment of the present invention.
  • FIG. 8 is a schematic structural diagram of a management device according to an embodiment of the present invention.
  • FIG. 9 is a schematic structural diagram of a management device according to an embodiment of the present invention.
  • FIG. 10 is a schematic structural diagram of a management device according to an embodiment of the present invention.
  • FIG. 11 is a schematic structural diagram of a mobile terminal according to an embodiment of the present invention.
  • FIG. 12 is a schematic structural diagram of a management device according to an embodiment of the present invention.
  • FIG. 13 is a schematic diagram of an access device according to an embodiment of the present invention.
  • FIG. 14 is a schematic structural diagram of an access device according to an embodiment of the present invention.
  • UE User Equipment
  • RRC_IDLE this state contains the following characteristics:
  • PLMN Public Land Mobile Network
  • DRX configured by the non-access stratum (NonAccess Stadium, NAS);
  • the eNB side does not store the RRC context of the UE
  • the UE has an Evolved Universal Terrestrial Radio Access Network RRC (E-UTRAN-RRC) connection.
  • E-UTRAN-RRC Evolved Universal Terrestrial Radio Access Network
  • the UE has a context in the E-UTRAN
  • E-UTRAN knows which cell the UE belongs to
  • the network can receive and send data to and from the UE
  • the UE can receive and send data to and from the network.
  • the UE detects control signaling for the shared data channel.
  • the paging function can notify the UE in the IDLE state to establish a connection with the network and become a CONNECTED state to receive data.
  • MME Mobility Management Entity
  • the Mobility Management Entity (MME) of the LTE core network needs to send paging (Paging) signaling to all base stations in the Tracking Area (TA) where the UE is located, and then these base stations pass through the air interface.
  • the RRC message broadcasts the paging signal to find the UE in an idle state. After receiving the paging message sent by the base station, the UE starts to establish a connection with the network and enters the connection state.
  • the UE can be kept in the CONNECTED Status, even if the UE has no data to send and receive for a period of time, it remains in the CONNECTED state.
  • the UE performs cell reselection
  • a large amount of handover signaling is generated, so that the UE without the service and in the CONNECTED state can follow the IDLE during the mobile process.
  • the state of the cell measurement and reselection mechanism for mobility management does not trigger the handover process.
  • the MME and the base station do not know which cell the UE is in. Therefore, the MME needs to send paging signaling to all base stations in the tracking area where the UE that is always in the CONNECTED state and has no service.
  • the present invention proposes a method for reducing paging signaling generation for a non-serving UE that is always in the CONNECTED state. After the UE's service transmission is completed for a period of time, the UE remains in the CONNECTED state, but refers to the IDLE state cell reselection mechanism when moving (does not trigger the handover procedure). After completing the cell reselection, the UE sends an uplink signaling to notify the current cell of its own existence, and the uplink signaling may be physical layer signaling or higher layer signaling.
  • the LTE Evolved Base Station After receiving the uplink signaling sent by the UE, the LTE Evolved Base Station (eNB) informs the MME of the serving cell where the UE is located through the S1 interface, so that the MME can accurately send the paging signaling subsequently.
  • the LTE eNB may perform one uplink signaling transmission after the UE is reselected N times, so that the UE can prevent the UE from transmitting uplink signaling frequently during the mobile process.
  • the numerical value of N can comprehensively consider the moving speed of the UE, the overhead generated by the reporting of the UE, and the reduction of the paging signaling caused by the improved location accuracy of the UE, thereby making a compromise, and the N can be determined and informed by the MME.
  • the LTE eNB connected thereto, the LTE eNB then configures the value to the UE by using broadcast RRC signaling or unicast RRC signaling.
  • the MME may send the paging signaling only to the LTE eNB that last reported the location information and the LTE eNB around the N-circle, without sending to the LTE eNB in the entire tracking area (TA).
  • TA tracking area
  • FIG. 1 19 base stations are sequentially numbered as base station #1 to base station #19; it is assumed that base station #1 is the last reported UE.
  • FIG. 1 is an example, based on the schematic diagram of the system structure shown in FIG. 1 above, and the specific process is as follows:
  • Step 1 At time T1, the UE in the CONNECTED state performs data communication with the base station #1.
  • Step 2 At time T2, the UE in the CONNECTED state completes the data transmission and reception, and the CONNECTED state continues for a certain period of time, and the UE performs mobility management according to the cell measurement and reselection mechanism of the IDLE state during the mobile process.
  • Step 3 At time T3, the UE moves to the boundary between base station #1 and base station #2, and reselects the serving cell as base station #2 after performing cell measurement. After the cell reselection is completed, UE#1 has just performed a cell reselection at this time, and has not reached 2 times, so it does not send an uplink signal to the base station #2 to inform the MME of its existence.
  • Step 5 After receiving the paging message sent by the base station #2, the UE starts to receive data through the base station #2.
  • the MME and the LTE eNB can dynamically configure the reporting accuracy of the location information of the UE that is always in the connected state and has no service, that is, N.
  • the non-serving UE After the N-th cell reselection is completed, the non-serving UE sends an uplink signaling to inform the current cell of its own existence, that is, the location information.
  • the MME value needs to send the paging signaling to the LTE eNB that last reported the location information and the LTE eNB of the surrounding N-circle, and only the LTE eNB that receives the MME paging signaling will continue to deliver the paging signaling. The generation of paging signaling is greatly reduced.
  • an embodiment of the present invention provides a paging control method for a mobile terminal, as shown in FIG. 2, including:
  • the mobile terminal in the connected state keeps the connection state after performing data transmission and reception, and performs cell The measurement then performs cell reselection according to the result of the cell measurement, and does not initiate cell handover;
  • the mobile terminal After the mobile terminal completes the data transmission and reception, it refers to the state in which the mobile terminal performs data transmission and reception and data transmission and reception after the mobile terminal enters the connection state. In this state, there is no service data transmission and reception requirement, and the connection state is still in this state, and the mobile terminal may move in this state.
  • the cell handover may be caused, and the cell handover may not be initiated.
  • the cell handover may be performed by referring to the mobile terminal in the idle state, and the cell measurement and reselection may be performed in the idle state mode, so that the cell handover process will not be triggered, so the reselection process is not
  • the signaling overhead required for cell handover will be added.
  • Cell measurement and reselection in an idle state is an improvement based on compatibility with the 3GPP protocol.
  • the measurement of the cell may be specifically performed on the signal quality of the cell, and is used to determine which cell is more suitable for access. This is not specifically described in the 3GPP protocol.
  • the embodiment of the present invention further provides a specific implementation manner of maintaining the connection state, as follows: the mobile terminal in the connected state keeps the connection state after the data is transmitted and received, and the mobile terminal in the connected state keeps monitoring the physical downlink control channel after completing the data transmission and reception. Or, the period of discontinuous reception of the activity is extended, so that the mobile terminal in the connected state keeps the connection state after the data is transmitted and received.
  • the mobile terminal After the cell reselection is completed, the mobile terminal sends the current location information of the mobile terminal to the management device of the access device corresponding to the cell where the mobile terminal is currently located.
  • the mobile terminal informs the management device of the location information of the mobile terminal, so when the management device needs to find the mobile terminal, it does not need to send paging signaling to all base stations in the tracking area, and does not need to track the area. All base stations broadcast paging signaling to find the mobile terminal, so paging signaling can be reduced; in addition, the mobile terminal can remain in the connected state for a long time, and can be less switched between the idle state and the connected state. The signaling overhead required for the state switching is reduced. In addition, when the mobile terminal performs cell measurement and reselection in an idle state during the process of maintaining the connection state, the cell handover process will not be triggered, so no cell handover will be added. The required signaling overhead. In summary, the above technical solution can reduce the load of communication network signaling.
  • the location information may be reported by the mobile terminal itself, or only one uplink signaling may be sent to trigger the location information of the mobile terminal that is sent by the access device corresponding to the cell where the mobile terminal is currently located, and the location information may be
  • the identifier of the cell may also be any identifier that can be identified by the management device and the location of the mobile terminal, and is not limited by the embodiment of the present invention.
  • the mobile terminal may only send the information.
  • the uplink signaling is as follows: The sending the current location information of the mobile terminal to the management device of the access device corresponding to the cell where the mobile terminal is currently located includes:
  • the uplink signaling Sending, to the access device corresponding to the cell where the mobile terminal is currently located, the uplink signaling, where the uplink signaling is used to trigger the access device corresponding to the cell currently located by the mobile terminal to send the cell where the mobile terminal is currently located to the management device.
  • the foregoing uplink signaling includes:
  • MAC Medium Access Control
  • Radio Resource Control layer signaling if other signaling is used to communicate with the access device during the measurement and access process in the idle mode when the mobile terminal is in the connected state, other layer signaling may also be used, which is not used by the embodiment of the present invention. Uniqueness is limited.
  • the mobile terminal may report the location information every time the cell reselection, or may set the number of reselection times by the network side, so as to conveniently control the accuracy of reporting the location information of the mobile terminal without the service data, as follows: Before the management device of the access device corresponding to the cell currently located by the terminal sends the current location information of the mobile terminal, the method further includes:
  • the cell reselection is counted. If the cell reselection times reaches the threshold, the management device that performs the foregoing access device corresponding to the cell currently located by the mobile terminal is configured to send the current location information of the mobile terminal.
  • the threshold value may be preset, or may be set by the management device according to a predetermined rule, or may be adjusted, as follows:
  • the embodiment of the present invention may be applied to an LTE system, where the access device is a long-term evolution type base station, and the management device is a mobility management entity.
  • Another embodiment of the present invention provides a paging control method for a mobile terminal, as shown in FIG. 3, including:
  • the management device of the access device receives the location information of the mobile terminal.
  • the location information is maintained by the mobile terminal in the connected state after the data is sent and received, and the cell measurement is performed, and then the cell reselection is performed according to the result of the cell measurement, and the cell is not initiated.
  • the foregoing management device determines that the mobile terminal needs to be paged, and sends paging signaling to the calibration access device.
  • the mobile terminal informs the management device of the location information of the mobile terminal, so when the management device needs to find the mobile terminal, it does not need to send paging signaling to all base stations in the tracking area, and does not need to track the area. All base stations broadcast paging signaling to find the mobile terminal, so paging signaling can be reduced; in addition, the mobile terminal can remain in the connected state for a long time, and can be less switched between the idle state and the connected state. The signaling overhead required for the state switching is reduced. In addition, when the mobile terminal performs cell measurement and reselection in an idle state during the process of maintaining the connection state, the cell handover process will not be triggered, so no cell handover will be added. The required signaling overhead. In summary, the above technical solution can reduce the load of communication network signaling.
  • the mobile terminal may report the location information every time the cell reselects, or may set the number of reselection times by the network side, so as to conveniently control the accuracy of reporting the location information of the mobile terminal without the service data, as follows:
  • the foregoing method further includes:
  • the threshold value is used to specify that the mobile terminal cell handover time reaches the threshold value, and the location information is sent;
  • the foregoing sending the paging signaling to the calibration access device includes:
  • Paging signaling is sent to an access device that is within the above set threshold from the above-mentioned calibration access device.
  • the threshold value may be arbitrarily set, or may be calculated by considering a plurality of factors, as follows:
  • the threshold value is determined according to the moving speed of the mobile terminal, the number of signaling required by the mobile terminal to transmit the location information, and the number of paging signaling that can be reduced by transmitting the location information.
  • the above three factors can be comprehensively considered to achieve the minimum signaling requirement or the highest reporting accuracy of the location information; generally, the larger the moving speed is, the smaller the N is, the higher the precision is; the larger N is, the more the location information is required to be transmitted. The smaller the signaling requirement, the lower the accuracy.
  • Another embodiment of the present invention provides a paging control method for a mobile terminal, as shown in FIG. include:
  • the access device establishes a connection with the mobile terminal, and completes data transmission and reception with the mobile terminal.
  • the access device receives the current location information of the mobile terminal, and forwards the location information to the management device of the access device.
  • the location information is maintained by the mobile terminal in the connected state after the data is transmitted and received, and the cell is maintained.
  • the measurement then performs cell reselection based on the results of the cell measurement and does not initiate cell handover, and is transmitted after the mobile terminal is completed after cell reselection.
  • the mobile terminal informs the management device of the location information of the mobile terminal, so when the management device needs to find the mobile terminal, it does not need to send paging signaling to all base stations in the tracking area, and does not need to track the area. All base stations broadcast paging signaling to find the mobile terminal, so paging signaling can be reduced; in addition, the mobile terminal can remain in the connected state for a long time, and can be less switched between the idle state and the connected state. The signaling overhead required for the state switching is reduced. In addition, when the mobile terminal performs cell measurement and reselection in an idle state during the process of maintaining the connection state, the cell handover process will not be triggered, so no cell handover will be added. The required signaling overhead. In summary, the above technical solution can reduce the load of communication network signaling.
  • the mobile terminal may report the location information every time the cell reselection, or may set the number of reselection times by the network side, so as to conveniently control the accuracy of the location information reporting of the mobile terminal without the service data, as follows: Before the access device receives the current location information of the mobile terminal, the method further includes:
  • the embodiment of the invention further provides a mobile terminal, as shown in FIG. 4, comprising:
  • connection control unit 501 is configured to control the mobile terminal in the connected state to maintain the connected state after completing data transmission and reception;
  • the measuring unit 502 is configured to perform cell measurement and then perform cell reselection according to the result of the cell measurement when the mobile terminal remains in the connected state;
  • the reselection unit 503 is configured to perform cell reselection in an idle state according to the result of the cell measurement by the measurement unit 502.
  • the handover control unit 504 is configured to control not to initiate a cell handover when the reselection unit performs cell reselection;
  • the information sending unit 505 is configured to: after the cell reselection is completed by the reselecting unit 503, send the current location information of the mobile terminal to the management device of the access device corresponding to the cell where the mobile terminal is currently located.
  • the mobile terminal After the mobile terminal completes the data transmission and reception, it refers to the state in which the mobile terminal performs data transmission and reception and data transmission and reception after the mobile terminal enters the connection state. In this state, there is no service data transmission and reception requirement, and the connection state is still in this state, and the mobile terminal may move in this state.
  • the cell reselection will be performed, and the cell handover will not be initiated.
  • the cell handover can be performed by referring to the mobile terminal in the idle state, and the cell measurement and reselection in the idle state mode will not trigger the cell handover process, so the reselection process is The signaling overhead required for cell handover is not added.
  • Cell measurement and reselection in an idle state is an improvement based on compatibility with the 3GPP protocol.
  • the measurement of the cell may be specifically performed on the signal quality of the cell, and is used to determine which cell is more suitable for access. This is not specifically described in the 3GPP protocol.
  • the mobile terminal informs the management device of the location information of the mobile terminal, so when the management device needs to find the mobile terminal, it does not need to send paging signaling to all base stations in the tracking area, and does not need to track the area. All base stations broadcast paging signaling to find the mobile terminal, so paging signaling can be reduced; in addition, the mobile terminal can remain in the connected state for a long time, and can be less switched between the idle state and the connected state. The signaling overhead required for the state switching is reduced. In addition, when the mobile terminal performs cell measurement and reselection in an idle state during the process of maintaining the connection state, the cell handover process will not be triggered, so no cell handover will be added. The required signaling overhead. In summary, the above technical solution can reduce the load of communication network signaling.
  • connection control unit 501 is specifically configured to keep monitoring the physical downlink control channel after the data terminal in the connected state completes data transmission and reception; or The continuous receiving period enables the mobile terminal in the connected state to maintain the connected state after data transmission and reception.
  • the location information may be reported by the mobile terminal itself, or only one uplink signaling may be sent to trigger the location information of the mobile terminal that is sent by the access device corresponding to the cell where the mobile terminal is currently located, and the location information may be
  • the identity of the cell may also be any capability such as the identity of the access device.
  • the information that is recognized by the management device and determines the location of the mobile terminal is not limited by the embodiment of the present invention.
  • the mobile terminal can only send the uplink signaling, as follows: Specifically, the method is used to send an uplink signaling to an access device corresponding to a cell where the mobile terminal is currently located, where the uplink signaling is used to trigger an access device corresponding to a cell currently located by the mobile terminal to send the current mobile terminal to the management device.
  • the foregoing uplink signaling includes:
  • MAC Medium Access Control
  • Radio Resource Control layer signaling if other signaling is used to communicate with the access device during the measurement and access process in the idle mode when the mobile terminal is in the connected state, other layer signaling may also be used, which is not used by the embodiment of the present invention. Uniqueness is limited.
  • the mobile terminal may report the location information every time the cell is reselected, or may set the number of reselection times by the network side, so as to conveniently control the accuracy of reporting the location information of the mobile terminal without the service data, as follows:
  • the above mobile terminal further includes:
  • a counting unit 601 configured to count cell reselection
  • the information sending unit 503 is specifically configured to: if the number of cell reselections counted by the counting unit 601 reaches a threshold value, perform the foregoing sending, to the management device of the access device corresponding to the cell currently located by the mobile terminal, the current mobile terminal location information.
  • the threshold value may be preset, or may be set by the management device according to a predetermined rule, or may be adjusted as follows. Further, as shown in FIG. 7, the mobile terminal further includes:
  • the configuration receiving unit 701 is configured to receive configuration information sent by the management device, where the threshold value is specified in the configuration information.
  • the embodiment of the present invention may be applied to an LTE system, where the access device is a long-term evolution type base station, and the management device is a mobility management entity.
  • the embodiment of the present invention further provides a management device for an access device, as shown in FIG.
  • the information receiving unit 801 is configured to receive location information of the mobile terminal.
  • the location information is kept in a connected state after the data is transmitted and received by the mobile terminal in the connected state, performs cell measurement, and then performs cell reselection according to the result of the cell measurement, and does not initiate cell handover. And transmitting, by the calibration access device, after the cell reselection is completed; the calibration access device is currently located by the mobile terminal The access device corresponding to the cell;
  • a paging determining unit 802 configured to determine whether the mobile terminal needs to be paged
  • the paging sending unit 803 is configured to send paging signaling to the calibration access device after the paging determining unit 802 determines that the mobile terminal needs to be paged.
  • the mobile terminal informs the management device of the location information of the mobile terminal, so when the management device needs to find the mobile terminal, it does not need to send paging signaling to all base stations in the tracking area, and does not need to track the area. All base stations broadcast paging signaling to find the mobile terminal, so paging signaling can be reduced; in addition, the mobile terminal can remain in the connected state for a long time, and can be less switched between the idle state and the connected state. The signaling overhead required for the state switching is reduced. In addition, when the mobile terminal performs cell measurement and reselection in an idle state during the process of maintaining the connection state, the cell handover process will not be triggered, so no cell handover will be added. The required signaling overhead. In summary, the above technical solution can reduce the load of communication network signaling.
  • the mobile terminal may report the location information every time the cell reselection, or may set the number of reselection times by the network side, so as to conveniently control the accuracy of reporting the location information of the mobile terminal without the service data, as follows:
  • the foregoing management device further includes:
  • the configuration sending unit 901 is configured to send configuration information to the mobile terminal, and specify a threshold value in the configuration information, where the threshold value is used to specify that the mobile terminal cell handover number reaches the threshold value, and the location information is sent;
  • the paging sending unit 803 is configured to send paging signaling to an access device that is within the set threshold value range from the calibration access device.
  • the threshold value may be arbitrarily set, or may be calculated by considering a plurality of factors, as follows: As shown in FIG. 10, the foregoing management device further includes:
  • the threshold determining unit 1001 is configured to determine the threshold according to the moving speed of the mobile terminal, the number of signaling required by the mobile terminal to send the location information, and the number of paging signaling that can be reduced due to the sending of the location information.
  • the above three factors can be comprehensively considered to achieve the minimum signaling requirement or the highest reporting accuracy of the location information; generally, the larger the moving speed is, the smaller the N is, the higher the precision is; the larger N is, the more the location information is required to be transmitted. The smaller the signaling requirement, the lower the accuracy.
  • An embodiment of the present invention further provides another mobile terminal, as shown in FIG. 11, comprising: a processor 1101 a user interface 1103, a network interface 1104, a memory 1105, and a communication bus 1102, wherein the communication bus 1102 is configured to implement connection communication between the processor 1101, the network interface 1104, and the memory 1105, and the processor 1101 executes the program stored in the memory 1105. Used to implement the following methods:
  • the cell measurement is performed in an idle state, and the cell reselection is performed according to the result of the cell measurement; after the mobile terminal cell reselection is completed, the mobile terminal is currently located
  • the management device of the access device corresponding to the cell sends the current location information of the mobile terminal.
  • the mobile terminal After the mobile terminal completes the data transmission and reception, it refers to the state in which the mobile terminal performs data transmission and reception and data transmission and reception after the mobile terminal enters the connection state. In this state, there is no service data transmission and reception requirement, and the connection state is still in this state, and the mobile terminal may move in this state.
  • the cell reselection will be performed, and the cell handover will not be initiated.
  • the cell handover can be performed by referring to the mobile terminal in the idle state, and the cell measurement and reselection in the idle state mode will not trigger the cell handover process, so the reselection process is The signaling overhead required for cell handover is not added.
  • Cell measurement and reselection in an idle state is an improvement based on compatibility with the 3GPP protocol.
  • the measurement of the cell may be specifically performed on the signal quality of the cell, and is used to determine which cell is more suitable for access. This is not specifically described in the 3GPP protocol.
  • the mobile terminal informs the management device of the location information of the mobile terminal, so when the management device needs to find the mobile terminal, it does not need to send paging signaling to all base stations in the tracking area, and does not need to track the area. All base stations broadcast paging signaling to find the mobile terminal, so paging signaling can be reduced; in addition, the mobile terminal can remain in the connected state for a long time, and can be less switched between the idle state and the connected state. The signaling overhead required for the state switching is reduced. In addition, when the mobile terminal performs cell measurement and reselection in an idle state during the process of maintaining the connection state, the cell handover process will not be triggered, so no cell handover will be added. The required signaling overhead. In summary, the above technical solution can reduce the load of communication network signaling.
  • the location information may be reported by the mobile terminal itself, or only one uplink signaling may be sent to trigger the location information of the mobile terminal that is sent by the access device corresponding to the cell where the mobile terminal is currently located, and the location information may be
  • the identifier of the cell may also be any identifier that can be identified by the management device and the location of the mobile terminal, and is not limited by the embodiment of the present invention.
  • the mobile terminal may only send the information.
  • the uplink signaling is as follows: The sending the current location information of the mobile terminal to the management device of the access device corresponding to the cell where the mobile terminal is currently located includes:
  • the uplink signaling Sending, to the access device corresponding to the cell where the mobile terminal is currently located, the uplink signaling, where the uplink signaling is used to trigger the access device corresponding to the cell currently located by the mobile terminal to send the cell where the mobile terminal is currently located to the management device.
  • the foregoing uplink signaling includes:
  • MAC Medium Access Control
  • Radio Resource Control layer signaling if other signaling is used to communicate with the access device during the measurement and access process in the idle mode when the mobile terminal is in the connected state, other layer signaling may also be used, which is not used by the embodiment of the present invention. Uniqueness is limited.
  • the mobile terminal may report the location information every time the cell reselection, or may set the number of reselection times by the network side, so as to conveniently control the accuracy of the location information reporting of the mobile terminal without the service data, as follows: further, processing
  • the program 1101 is further configured to execute the program stored in the foregoing memory 1105, to implement: counting cell reselection before transmitting the current location information of the mobile terminal to the management device of the access device corresponding to the cell currently located by the mobile terminal. And if the cell reselection times reaches the threshold, performing the foregoing, to the management device of the access device corresponding to the cell currently located by the mobile terminal, sending the current location information of the mobile terminal.
  • processor 1101 is further configured to execute a program stored in the foregoing memory 1105 for implementing: before counting cell reselection,
  • the embodiment of the present invention may be applied to an LTE system, where the access device is a long-term evolution type base station, and the management device is a mobility management entity.
  • the embodiment of the present invention further provides another management device for an access device, as shown in FIG. 12, including: a processor 1201, a network interface 1204, a memory 1205, and a communication bus 1202, wherein the communication bus 1202 is configured to implement the foregoing processing.
  • the processor 1201, the network interface 1204, and the memory 1205 are connected to each other, and the processor 1201 executes the program stored in the above-described memory 1205 for implementing the following method:
  • the location information is maintained by the mobile terminal in the connected state after the data is transmitted and received, performing cell measurement, and then performing cell weight according to the result of the cell measurement.
  • the mobile terminal informs the management device of the location information of the mobile terminal, so when the management device needs to find the mobile terminal, it does not need to send paging signaling to all base stations in the tracking area, and does not need to track the area. All base stations broadcast paging signaling to find the mobile terminal, so paging signaling can be reduced; in addition, the mobile terminal can remain in the connected state for a long time, and can be less switched between the idle state and the connected state. The signaling overhead required for the state switching is reduced. In addition, when the mobile terminal performs cell measurement and reselection in an idle state during the process of maintaining the connection state, the cell handover process will not be triggered, so no cell handover will be added. The required signaling overhead. In summary, the above technical solution can reduce the load of communication network signaling.
  • the mobile terminal may report the location information every time the cell reselects, or may set the number of reselection times by the network side, so as to conveniently control the accuracy of the location information reporting of the mobile terminal without the service data, as follows:
  • the processor 1201 further
  • the program for executing the foregoing storage 1205 is configured to: before the management device receives the location information of the mobile terminal, send configuration information to the mobile terminal, and specify a threshold value in the configuration information; the threshold value is used for And transmitting the location information when the number of times the cell handover of the mobile terminal reaches the threshold value;
  • the foregoing sending the paging signaling to the calibration access device includes:
  • Paging signaling is sent to an access device that is within the above set threshold from the above-mentioned calibration access device.
  • the threshold value may be arbitrarily set, or may be calculated by considering various factors, as follows:
  • the processor 1201 is further configured to execute the program stored in the foregoing memory 1205 for use. Realizing: before transmitting the configuration information to the mobile terminal, determining the foregoing according to the moving speed of the mobile terminal, the number of signaling required by the mobile terminal to send the location information, and the number of paging signaling that can be reduced due to the sending of the location information. Threshold.
  • the above three factors can be comprehensively considered to achieve the minimum signaling requirement or the highest reporting accuracy of the location information; generally, the larger the moving speed is, the smaller the N is, the higher the precision is; the larger N is, the more the location information is required to be transmitted. The smaller the signaling requirement, the lower the accuracy.
  • An embodiment of the present invention further provides an access device, as shown in FIG. 13, including:
  • the first communication unit 1301 is configured to: after establishing a connection with the mobile terminal, complete data transmission and reception with the mobile terminal; receive current location information of the mobile terminal; and the location information is completed by the mobile terminal in the connected state after data transmission and reception Maintaining the connection state, performing cell measurement, then performing cell reselection according to the result of the cell measurement, and not initiating cell handover, and transmitting after the mobile terminal is completed after cell reselection;
  • the second communication unit 1302 is configured to forward the location information to the management device of the access device.
  • the mobile terminal informs the management device of the location information of the mobile terminal, so when the management device needs to find the mobile terminal, it does not need to send paging signaling to all base stations in the tracking area, and does not need to track the area. All base stations broadcast paging signaling to find the mobile terminal, so paging signaling can be reduced; in addition, the mobile terminal can remain in the connected state for a long time, and can be less switched between the idle state and the connected state. The signaling overhead required for the state switching is reduced. In addition, when the mobile terminal performs cell measurement and reselection in an idle state during the process of maintaining the connection state, the cell handover process will not be triggered, so no cell handover will be added. The required signaling overhead. In summary, the above technical solution can reduce the load of communication network signaling.
  • the mobile terminal may report the location information every time the cell reselection, or may set the number of reselection times by the network side, so as to conveniently control the accuracy of the location information reporting of the mobile terminal without the service data, as follows:
  • the second communication unit 1302 is further configured to: before the first communication unit 1301 receives the current location information of the mobile terminal, receive configuration information sent by the management device, and specify a threshold value in the configuration information;
  • the first communication unit 1301 is further configured to forward the configuration information to the mobile terminal, where the threshold is used to instruct the mobile terminal to send current location information of the mobile terminal after the number of cell reselections reaches the threshold.
  • the embodiment of the present invention further provides another access device, as shown in FIG. 14, comprising: a processor 1401, a network interface 1404, a memory 1405, and a communication bus 1402, wherein the communication bus 1402 is used to implement the processor 1401.
  • the communication is connected between the network interface 1404 and the memory 1405, and the processor 1401 executes the program stored in the above-described memory 1405 for implementing the following method:
  • the above location information is kept in a connected state after the data is transmitted and received by the mobile terminal in the connected state, performs cell measurement, then performs cell reselection according to the result of the cell measurement, and does not initiate cell handover, and completes cell reselection at the mobile terminal. After sending.
  • the mobile terminal informs the management device of the location information of the mobile terminal, so when the management device needs to find the mobile terminal, it does not need to send paging signaling to all base stations in the tracking area, and does not need to track the area. All base stations broadcast paging signaling to find the mobile terminal, so paging signaling can be reduced; in addition, the mobile terminal can remain in the connected state for a long time, and can be less switched between the idle state and the connected state. The signaling overhead required for the state switching is reduced. In addition, when the mobile terminal performs cell measurement and reselection in an idle state during the process of maintaining the connection state, the cell handover process will not be triggered, so no cell handover will be added. The required signaling overhead. In summary, the above technical solution can reduce the load of communication network signaling.
  • the mobile terminal may report the location information every time the cell reselection, or may set the number of reselection times by the network side, so as to conveniently control the accuracy of the location information reporting of the mobile terminal without the service data, as follows: Before receiving the current location information of the mobile terminal, the method further includes: receiving configuration information sent by the management device, specifying a threshold in the configuration information, and forwarding the configuration information to the mobile terminal, where the threshold is used to indicate the mobile The terminal sends the current location information of the mobile terminal after the number of cell reselection reaches the threshold.
  • each unit included is only divided according to functional logic, but is not limited to the foregoing division, as long as the corresponding function can be implemented.
  • the specific names of the respective functional units are only for convenience of distinguishing from each other, and are not intended to limit the scope of protection of the present invention.
  • the storage medium may be a read only memory, a magnetic disk or an optical disk or the like.

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

Abstract

L'invention concerne un procédé et un dispositif de commande de connexion de réseau, la mise en œuvre du procédé, par exemple, consistant : à garder un état de connexion après qu'un terminal mobile dans l'état de connexion termine de transmettre et de recevoir des données; à réaliser une mesure de cellule puis à réaliser une resélection de cellule selon un résultat de la mesure de cellule, et ne pas initier de commutation de cellule; et après que le terminal mobile termine la resélection de cellule, à envoyer des informations de position actuelle concernant le terminal mobile à un dispositif de gestion d'un dispositif d'accès correspondant à une cellule dans laquelle le terminal mobile est actuellement situé. Lorsque le terminal mobile a besoin d'être trouvé, il est inutile d'envoyer une signalisation de radiomessagerie à tous les dispositifs d'accès dans une région de suivi, il est également inutile de diffuser la signalisation de radiomessagerie par toutes les stations de base dans la région de suivi, et par conséquent, la signalisation de radiomessagerie peut être réduite. En outre, les coûts de signalisation requis pour une commutation d'état peuvent être réduits, et les coûts de signalisation requis pour une commutation de cellule ne sont pas nouvellement accrus. En résumé, il peut être observé que la solution technique ci-dessus peut réduire les charges de signalisation d'un réseau de communication.
PCT/CN2017/074935 2016-03-02 2017-02-27 Procédé et dispositif de commande de connexion de réseau WO2017148339A1 (fr)

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EP3457805B1 (fr) * 2016-09-13 2022-11-02 Guangdong Oppo Mobile Telecommunications Corp., Ltd. Procédé de transmission de données, appareil de réseau d'accès et appareil terminal basé sur différents états du terminal
CN108377516B (zh) * 2016-10-11 2019-12-10 电信科学技术研究院 一种确定寻呼区域的方法、接入网节点及核心网节点
CN108024332A (zh) * 2016-11-02 2018-05-11 中兴通讯股份有限公司 一种寻呼优化的方法和装置
CN108616941B (zh) * 2017-01-04 2020-01-24 电信科学技术研究院 一种终端位置信息上报、下行传输方法及装置
CN109429174B (zh) * 2017-07-17 2021-05-25 维沃移动通信有限公司 一种寻呼方法、终端、基站及网络控制节点
CN109769299B (zh) * 2017-11-09 2021-01-15 中国移动通信有限公司研究院 一种寻呼消息发送方法、基站、网络设备及通信设备
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