WO2015196431A1 - Procédé et dispositif de mesure de temps de commutation de srvcc - Google Patents

Procédé et dispositif de mesure de temps de commutation de srvcc Download PDF

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Publication number
WO2015196431A1
WO2015196431A1 PCT/CN2014/080875 CN2014080875W WO2015196431A1 WO 2015196431 A1 WO2015196431 A1 WO 2015196431A1 CN 2014080875 W CN2014080875 W CN 2014080875W WO 2015196431 A1 WO2015196431 A1 WO 2015196431A1
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WO
WIPO (PCT)
Prior art keywords
time
handover
terminal
access network
voice
Prior art date
Application number
PCT/CN2014/080875
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English (en)
Chinese (zh)
Inventor
范维光
张凯
Original Assignee
华为技术有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 华为技术有限公司 filed Critical 华为技术有限公司
Priority to CN201480032231.9A priority Critical patent/CN105393578B/zh
Priority to PCT/CN2014/080875 priority patent/WO2015196431A1/fr
Publication of WO2015196431A1 publication Critical patent/WO2015196431A1/fr

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W24/00—Supervisory, monitoring or testing arrangements
    • H04W24/02—Arrangements for optimising operational condition

Definitions

  • the present invention relates to the field of communications technologies, and in particular, to a method and a device for measuring SRVCC switching time. Background technique
  • LTE Long Term Evolution
  • PS Packet Switch
  • CS Circuit Switch Domain
  • IMS Internet Protocol Multimedia Subsystem
  • VoLTE IMS-based voice service
  • services such as voice/video telephones originally carried in the PS domain are switched to the CS domain of 2G/3G, and SRVCC (Single Radio Voice Call Continuity) , single radio voice service continuity) is to solve the technology of single radio terminal switching between services such as voice/video telephony of IM S and voice/video telephony of CS, including PS TO CS SRVCC (from PS domain to CS) SRVCC of the domain) and CS TO PS SRVCC (SRVCC from the CS domain to the PS domain).
  • the single radio terminal refers to a user terminal that can only transmit and receive data on one access network at a time.
  • the embodiment of the invention provides a method and a device for measuring the switching time of the SRVCC, which are used to solve the technical problem that the interruption time of the SRVCC switching process cannot be measured in the prior art.
  • a first aspect of the present invention provides a method for measuring a single radio frequency voice service continuity SRVCC switching time, including: Determining, by the terminal, a start time of the voice interruption in the service switching in the SRVCC handover, and starting timing from the start time;
  • the timing duration is an interruption duration of the SRVCC handover.
  • the starting moment of the voice interruption in the service switching is: a moment when the terminal cannot acquire downlink data, or the terminal cannot send The time of the upstream data.
  • the start time is a time when the terminal cannot obtain downlink data
  • the start time Specifically, the time when the downlink voice packet data transmission of the terminal is interrupted, or the time when the downlink data cannot be decoded.
  • the start time is a time when the terminal cannot send uplink data
  • the start time Specifically, the time when the uplink voice packet data transmission of the terminal is interrupted.
  • the completion time of the voice interruption in the service switching is: the time when the uplink data service and the downlink data service of the terminal are restored.
  • the method further includes: sending, by the terminal, the time duration to the target base station subsystem BSS or the target wireless network subsystem RNS, to send the time duration to the network management system by using the target BSS or the target RNS
  • the target BSS is a BSS to which the terminal switches after the SRVCC handover
  • the target RNS is an RNS to which the terminal switches after the SRVCC handover.
  • the that the terminal sends the time duration to the target BSS or the target RNS includes: The terminal sends the timing duration to the target BSS or the target RNS in the handover complete message, where the handover complete message is used to indicate that the radio access network handover in the SRVCC handover is completed.
  • a second aspect of the present invention provides a method for measuring a handover time of an SRVCC, which is applied to a terminal, a network management system, or a mobile switching server, MSC Server, and includes:
  • a start time of the voice interruption in the service switching is a time when the terminal cannot obtain downlink data, or the terminal cannot send uplink data.
  • the start time of the voice interruption in the radio access network handover is the time when the terminal receives the handover command; wherein the handover command is used to indicate that the radio access network handover is performed.
  • a start time of the voice interruption in the service switching is a time when the terminal cannot obtain downlink data
  • the start time of the voice interruption in the service switching is specifically: a moment when the downlink voice packet data transmission of the terminal is interrupted, or a moment when the downlink data cannot be decoded; if the voice interruption is started in the service switching
  • the time at which the terminal cannot send the uplink data the start time of the voice interruption in the service switching is specifically: the time when the uplink voice packet data transmission of the terminal is interrupted;
  • the start time of the voice interruption in the radio access network handover is the time when the terminal receives the handover command
  • the start time of the voice interruption in the radio access network handover is specifically: the terminal receives the The moment of the handover command sent by the evolved universal terrestrial radio access network E-UTRAN.
  • the completion time of the voice interruption in the service switching is a time when the uplink data service and the downlink data service of the terminal are restored, and the radio access network is switched.
  • the completion time of the voice interruption is the moment when the terminal receives the handover complete message; where the handover complete message is used to indicate that the radio access network handover is completed.
  • the method is applied to the terminal, and after the obtaining the time duration, the method further includes: sending the time duration to the target BSS or the target RNS, to send the time duration to the network management by using the target BSS or the target RNS system.
  • the sending the time duration to the target BSS or the target RNS includes: loading the time duration in the handover
  • the completion message is sent to the target BSS or the target RNS.
  • the handover complete message is used to indicate that the radio access network handover is complete.
  • a start time of the voice interruption in the service switching is a time when the access transfer control function ATCF sends an ATGW message to the access transfer gateway ATGW
  • the start time of the voice interruption in the radio access network handover is a time when the E-UTRA sends a handover command to the terminal, where the handover command is used to indicate that the radio access network is switched;
  • the start time of the voice interruption in the service switching is a time when the service centralization and continuity application server SCC AS sends an update message to the opposite terminal, and the start time of the voice interruption in the radio access network handover is evolved.
  • the information update is used by the peer terminal to maintain a communication connection with the terminal, the handover command is used to instruct to start the radio access network handover, and the peer terminal is in voice communication with the terminal. terminal.
  • the start time of the voice interruption in the service switching is sent by the SCC AS to the peer terminal The time when the message is updated
  • the start time of the voice interruption in the service switching is specifically: the SCC AS sends the update message to the peer terminal plus the SCC AS and the peer terminal The time after a one-way delay.
  • the start time of the voice interruption in the service switching is ATCF direction
  • the time at which the ATGW sends the ATGW message, and the start time of the voice interruption in the radio access network handover is the time when the E-UTRAN sends the handover command to the terminal
  • the completion time of the voice interruption in the service handover a time at which the ATGW sends an ATGW response message to the ATCF, where the completion time of the voice interruption in the radio access network handover is a time when the target BSS or the target RNS receives the handover complete message sent by the terminal
  • the handover complete message is used to indicate that the radio access network handover is completed; or
  • the handover command is sent to At the time of the terminal, the completion time of the voice interruption in the service switching is a time when the ATCF sends a session transfer response message to the MSC Server, and the completion time of the voice interruption in the radio access network switching is And a time when the target BSS or the target RNS receives the handover complete message sent by the terminal, where the session transfer response message is used to determine that the session transfer is initiated during the service handover of the SRVCC handover.
  • a start time of the voice interruption in the service switching is a time when the MSC server sends a start session transfer message to the ATCF, where the wireless
  • the start time of the voice interruption in the access network handover is the time when the MSC Server sends the PS handover to the CS response message to the source MME.
  • the session transfer message is used to indicate that the service is started during the service handover of the SRVCC handover.
  • the source MME is an MME that is accessed by the terminal before performing the SRVCC handover, and the PS handover to CS response message is used to determine to perform the radio access network handover.
  • the completion time of the voice interruption in the service switching is the ATCF to the MSC a moment when the server sends the session transfer response message, and a time when the completion of the voice interruption in the radio access network handover is a time when the target MSC sends a handover complete message to the MSC server; where the session transfer response message is used to determine The session transfer is initiated in the service switching process of the SRVCC handover, where the handover complete message is used to indicate that the radio access network handover is completed.
  • the method further includes: sending the time duration to the network management system through a northbound interface.
  • a third aspect of the present invention provides a terminal, including:
  • a first determining module configured to determine a start time of a voice interruption in a service switching in the SRVCC handover, and start timing from the starting moment
  • a second determining module configured to determine a completion time of the voice interruption in the service switching, and stop timing at the completion time to obtain a timing duration; the timing duration is an interruption duration of the SRVCC handover.
  • the starting moment of the voice interruption in the service switching is: a moment when the terminal cannot obtain downlink data, or the terminal cannot send The time of the upstream data.
  • the start time is a time when the terminal cannot obtain downlink data
  • the start time Specifically, the time when the downlink voice packet data transmission of the terminal is interrupted, or the time when the downlink data cannot be decoded.
  • the start time is a time when the terminal cannot send uplink data
  • the start time Specifically, the time when the uplink voice packet data transmission of the terminal is interrupted.
  • the completion time of the voice interruption in the service switching is: the uplink data service of the terminal and the next The moment when the data service is restored.
  • the terminal further includes a sending module, configured to: after obtaining the time duration, send the time duration to the target BSS or the target RNS, to send the time duration to the network management system by using the target BSS or the target RNS
  • the target BSS is a BSS to which the terminal performs handover after the SRVCC handover
  • the target RNS is an RNS to which the terminal switches after the SRVCC handover.
  • the sending module is specifically configured to: send the timing duration bearer in a handover complete message to the The target BSS or the target RNS; wherein the handover complete message is used to indicate that the radio access network handover in the SRVCC handover is completed.
  • a device for measuring SRVCC switching time includes: an operation module, configured to perform a SRVCC handover, a start time of a voice interruption in a service handover, and a voice interruption in a radio access network handover The timing of the first arrival in the starting time starts, and the acquiring module is configured to stop timing when the completion time of the voice interruption in the service switching and the arrival time of the completion time of the voice interruption in the switching of the radio access network And obtaining a timing duration, wherein the timing duration is an interruption duration of the SRVCC handover.
  • a start time of the voice interruption in the service switching is a time when the terminal cannot obtain downlink data, or a time when the terminal cannot send uplink data;
  • the start time of the voice interruption in the radio access network handover is the time when the terminal receives the handover command; wherein the handover command is used to indicate that the radio access network handover is performed.
  • a start time of the voice interruption in the service switching is a time when the terminal cannot obtain downlink data
  • the start time of the voice interruption in the service switching is specifically: a time when the downlink voice packet data transmission of the terminal is interrupted, or a time when the downlink data cannot be decoded; If the start time of the voice interruption in the service switching is the time when the terminal cannot send the uplink data, the starting time of the voice interruption in the service switching is specifically: the time when the uplink voice packet data transmission of the terminal is interrupted ;
  • the start time of the voice interruption in the radio access network handover is the time when the terminal receives the handover command
  • the start time of the voice interruption in the radio access network handover is specifically: the terminal receives the The moment of the handover command sent by the evolved universal terrestrial radio access network E-UTRAN.
  • the completion time of the voice interruption in the service switching is And a moment when the uplink data service and the downlink data service of the terminal are restored, where the completion time of the voice interruption in the radio access network handover is a time when the terminal receives the handover complete message, where the handover complete message is used to indicate The radio access network handover is completed.
  • the device is a terminal, and the device further includes a sending module, configured to: after obtaining the timing duration, send the timing duration to a target BSS or a target RNS to perform the timing by using the target BSS or the target RNS The duration is sent to the network management system.
  • the sending module is specifically configured to: send the timing duration bearer in a handover complete message to the The target BSS or the target RNS; wherein the handover complete message is used to indicate that the radio access network handover is completed.
  • a start time of the voice interruption in the service switching is a time when the access transfer control function ATCF sends an ATGW message to the access transfer gateway ATGW
  • the start time of the voice interruption in the radio access network handover is the time when the E-UTRAN sends a handover command to the terminal; wherein the handover command is used to indicate that the radio access network is switched; or
  • the starting moment of the voice interruption in the service switching is a service centralization and continuity application server.
  • the time when the SCC AS sends the update message to the peer terminal, and the start time of the voice interruption in the radio access network handover is the evolved universal mobile communication system terrestrial radio access E-UTRAN sends a handover command to the terminal
  • the update message is used to indicate that the peer terminal performs information update in a service switching process of the SRVCC handover, where the information update is used by the peer terminal to maintain a communication connection with the terminal, where
  • the handover command is used to instruct to start the radio access network handover, and the peer terminal is a terminal that performs voice communication with the terminal.
  • the start time of the voice interruption in the service switching is that the SCC AS sends an update message to the peer terminal
  • the start time of the voice interruption in the service switching is specifically: the SCC AS sends the update message to the opposite terminal, and the one-way extension between the SCC AS and the opposite terminal The moment after the moment.
  • the start time of the voice interruption in the service switching is ATCF direction
  • the time at which the ATGW sends the ATGW message, and the start time of the voice interruption in the radio access network handover is the time when the E-UTRAN sends the handover command to the terminal
  • the completion time of the voice interruption in the service handover a time at which the ATGW sends an ATGW response message to the ATCF, where the completion time of the voice interruption in the radio access network handover is a time when the target BSS or the target RNS receives the handover complete message sent by the terminal
  • the handover complete message is used to indicate that the radio access network handover is completed; or
  • the handover command is sent to At the time of the terminal, the completion time of the voice interruption in the service switching is a time when the ATCF sends a session transfer response message to the MSC Server, and the completion time of the voice interruption in the radio access network switching is And a time when the target BSS or the target RNS receives the handover complete message sent by the terminal, where the session transfer response message is used to determine that the session transfer is initiated during the service handover of the SRVCC handover.
  • the service switching The start time of the medium voice interruption is the time when the MSC Server sends a start session transfer message to the ATCF
  • the start time of the voice interruption in the radio access network handover is that the MSC Server sends a PS switch to the CS response to the source MME.
  • the session transfer message is used to indicate that the session transfer is initiated during the service switching process of the SRVCC handover
  • the source MME is the MME that the terminal accesses before performing the SRVCC handover
  • the PS handover to CS response message is used to determine to perform the radio access network handover.
  • the completion time of the voice interruption in the service switching is that the ATCF sends a session transfer response to the MSC server a moment of the message, and a completion time of the voice interruption in the radio access network handover is a moment when the target MSC sends a handover complete message to the MSC server; where the session transfer response message is used to determine the handover in the SRVCC The session transfer is initiated during the service switching, and the handover complete message is used to indicate that the radio access network handover is completed.
  • the device if the device is an MSC Server, the device further includes And a sending module, configured to: after obtaining the time duration, send the time duration to the network management system through a northbound interface.
  • a fifth aspect of the present invention provides a terminal, including:
  • a memory for storing instructions
  • a processor configured to execute the instruction, determine a start time of a voice interruption in a service switching in the SRVCC handover, and start timing from the start time; determine a completion time of the voice interruption in the service switching, and The timing is stopped at the completion time, and the timing duration is obtained; the timing duration is the interruption duration of the SRVCC handover.
  • the starting moment of the voice interruption in the service switching is: a moment when the terminal cannot acquire downlink data, or the terminal cannot send The time of the upstream data.
  • the starting time is a time when the terminal cannot obtain downlink data
  • the start time is specifically: a time when the downlink voice packet data transmission of the terminal is interrupted, or a time when the downlink data cannot be decoded.
  • the start time is a time when the terminal cannot send uplink data
  • the start time Specifically, the time when the uplink voice packet data transmission of the terminal is interrupted.
  • the completion time of the voice interruption in the service switching is: the time when the uplink data service and the downlink data service of the terminal are restored.
  • the terminal further includes a transmitter, configured to: after obtaining the timing duration, send the timing duration to a target BSS or a target RNS, to send the timing duration to the network management system by using the target BSS or the target RNS
  • the target BSS is a BSS to which the terminal is switched after the SRVCC handover
  • the target RNS is an RNS to which the terminal switches after the SRVCC handover.
  • the transmitter is specifically configured to: send the timing duration bearer in a handover complete message to the The target BSS or the target RNS; wherein the handover complete message is used to indicate that the radio access network handover in the SRVCC handover is completed.
  • a sixth aspect of the present invention provides a SRVCC switching time measuring apparatus, including: a memory, configured to store an instruction;
  • a processor configured to execute the instruction, when performing SRVCC handover, starting time in a start time of a voice interruption in a service handover and a time of arrival in a voice interruption in a radio access network handover, start timing;
  • the time of completion of the voice interruption in the service switching and the time of arrival in the completion time of the voice interruption in the switching of the radio access network stop, and the timing is obtained, and the timing is the interruption duration of the SRVCC handover.
  • a start time of the voice interruption in the service switching is a time when the terminal cannot obtain downlink data, or a time when the terminal cannot send uplink data;
  • the start time of the voice interruption in the radio access network handover is the time when the terminal receives the handover command; wherein the handover command is used to indicate that the radio access network handover is performed.
  • a start time of the voice interruption in the service switching is a time when the terminal cannot obtain downlink data
  • the start time of the voice interruption in the service switching is specifically: a moment when the downlink voice packet data transmission of the terminal is interrupted, or a moment when the downlink data cannot be decoded; if the voice interruption is started in the service switching
  • the time at which the terminal cannot send the uplink data the start time of the voice interruption in the service switching is specifically: the time when the uplink voice packet data transmission of the terminal is interrupted;
  • the start time of the voice interruption in the radio access network handover is the time when the terminal receives the handover command
  • the start time of the voice interruption in the radio access network handover is specifically: the terminal receives the The moment of the handover command sent by the evolved universal terrestrial radio access network E-UTRAN.
  • the completion time of the voice interruption in the service switching is And a moment when the uplink data service and the downlink data service of the terminal are restored, where the completion time of the voice interruption in the radio access network handover is a time when the terminal receives the handover complete message, where the handover complete message is used to indicate The radio access network handover is completed.
  • the device is a terminal, and the device further includes a transmitter, configured to: after obtaining the timing duration, send the timing duration to a target BSS or a target RNS to be used by the target BSS or the target RNS The timing is sent to the network management system.
  • the transmitter is specifically configured to: send the timing duration in a handover complete message to the target BSS or a target RNS; where the handover complete message is used to indicate the radio access network handover carry out.
  • a start time of the voice interruption in the service switching is a time when the access transfer control function ATCF sends an ATGW message to the access transfer gateway ATGW
  • the start time of the voice interruption in the radio access network handover is the time when the E-UTRAN sends a handover command to the terminal; wherein the handover command is used to indicate that the radio access network is switched; or
  • the start time of the voice interruption in the service switching is a time when the service centralization and continuity application server SCC AS sends an update message to the opposite terminal, and the start time of the voice interruption in the radio access network handover is evolved.
  • the information update is used by the peer terminal to maintain a communication connection with the terminal, the handover command is used to instruct to start the radio access network handover, and the peer terminal is in voice communication with the terminal. terminal.
  • the start time of the voice interruption in the service switching is that the SCC AS sends the update message to the peer terminal At the moment, the start time of the voice interruption in the service switching is specifically: the SCC AS sends the update message to the opposite terminal, and the one-way extension between the SCC AS and the opposite terminal The moment after the moment.
  • the start time of the voice interruption in the service switching is ATCF direction
  • the time at which the ATGW sends the ATGW message, and the start time of the voice interruption in the radio access network handover is the time when the E-UTRAN sends the handover command to the terminal
  • the completion time of the voice interruption in the service handover a time at which the ATGW sends an ATGW response message to the ATCF, where the completion time of the voice interruption in the radio access network handover is a time when the target BSS or the target RNS receives the handover complete message sent by the terminal
  • the handover complete message Used to indicate that the radio access network handover is completed; or
  • the handover command is sent to At the time of the terminal, the completion time of the voice interruption in the service switching is a time when the ATCF sends a session transfer response message to the MSC Server, and the completion time of the voice interruption in the radio access network switching is And a time when the target BSS or the target RNS receives the handover complete message sent by the terminal, where the session transfer response message is used to determine that the session transfer is initiated during the service handover of the SRVCC handover.
  • a start time of the voice interruption in the service switching is a time when the MSC Server sends a start session transfer message to the ATCF, where the wireless access
  • the start time of the voice interruption in the network switching is the time when the MSC Server sends the PS handover to the CS response message to the source MME.
  • the session transfer message is used to indicate that the session transfer is initiated during the service switching process of the SRVCC handover.
  • the source MME is an MME that is accessed by the terminal before performing the SRVCC handover, and the PS handover to CS response message is used to determine to perform the radio access network handover.
  • the completion time of the voice interruption in the service switching is that the ATCF sends a session transfer response to the MSC server a moment of the message, and a completion time of the voice interruption in the radio access network handover is a moment when the target MSC sends a handover complete message to the MSC server; where the session transfer response message is used to determine the handover in the SRVCC The session transfer is initiated during the service switching, and the handover complete message is used to indicate that the radio access network handover is completed.
  • the device if the device is an MSC Server, the device further includes And a transmitter, configured to: after obtaining the timing duration, send the timing duration to the network management system through a northbound interface.
  • the terminal may start timing at the start time of the voice interruption in the service switching, and stop timing at the completion time of the voice interruption in the service switching,
  • the interrupt duration of the SRVCC handover can be obtained, which solves the technical problem that cannot be solved in the prior art, and the operation mode is relatively simple and easy to implement.
  • FIG. 1 is a flowchart of ATGW anchoring when performing SRVCC handover according to an embodiment of the present invention
  • FIG. 2 is a flowchart of an ATGW not anchored when SRVCC handover is performed according to an embodiment of the present invention
  • FIG. 4 is a main flowchart of another method for measuring the switching time of the SRVCC according to the embodiment of the present invention
  • FIG. 5 is a schematic structural diagram of a main structure of a terminal according to an embodiment of the present invention.
  • FIG. 6 is a main structural block diagram of a measuring apparatus for SRVCC switching time according to an embodiment of the present invention
  • FIG. 7 is a schematic structural diagram of a terminal according to an embodiment of the present invention.
  • FIG. 8 is a schematic diagram showing the main structure of an apparatus for measuring SRVCC switching time according to an embodiment of the present invention. detailed description
  • An embodiment of the present invention provides a method for measuring a handover time of an SRVCC, where the method may include: determining, by a terminal, a start time of a voice interruption in a service handover in the SRVCC handover, and starting timing from the start time; The terminal determines a completion time of the voice interruption in the service switching, and stops timing at the completion time to obtain a timing duration; the timing duration is an interruption duration of the SRVCC handover.
  • the terminal may start timing at the start time of the voice interruption in the service switching, and stop timing at the completion time of the voice interruption in the service switching, so that the SRVCC can be obtained.
  • the interruption time of the handover solves the technical problem that cannot be solved in the prior art, and the operation mode is relatively simple and easy to implement.
  • GSM Global System for Mobile communications
  • Code Division Multiple Access Code Division Multiple Access
  • CDMA Code Division Multiple Access
  • TDMA Time Division Multiple Access
  • WCDMA Wideband Code Division Multiple Access Wireless
  • FDMA Frequency Division Multiple Addressing
  • OFDMA Orthogonal Frequency Orthogonal Frequency-Division Multiple Access
  • SC-FDMA single carrier FDMA
  • GPRS General Packet Radio Service
  • LTE Long Term Evolution
  • system and “network” are used interchangeably herein.
  • the term “and/or” in this context is merely an association describing the associated object, indicating that there can be three relationships, for example, A and / or B, which can mean: A exists separately, and both A and B exist separately. B these three situations.
  • the character "/" in this article generally indicates that the contextual object is an "or" relationship.
  • Figure 1 shows the handover process when the ATGW (access transfer gateway) is anchored.
  • ATGWanchored means that the ATGW will save the user plane connection relationship at both ends of the transceiver.
  • the signaling gateway in Figure 1 refers to the SGW (signaling gateway), and the packet data network gateway refers to the PGW (packet gateway).
  • the flow part of the digital serial number refers to the radio access network (RAN) level handover, for example, from LTE to GSM (Global System for Mobile Communications) / UMTS (Universal Mobile)
  • RAN radio access network
  • GSM Global System for Mobile Communications
  • UMTS Universal Mobile
  • the switching of the Telecommunications System Universal Mobile Communication System
  • the part of the alphabetic number refers to a handover at the service level, for example, from IMS VoIP (voice on internet protocol)
  • the handover of the CS domain core network is referred to as service switching in the embodiment of the present invention.
  • the SRVCC handover mainly includes two handover procedures: the radio access network handover and the service handover, when the radio access network handover and the service handover are both completed, indicating that the SRVCC handover is completed. .
  • Step 1 UE1 sends a measurement report to the Evolved Universal Mobile Telecommunications System Terrestrial Radio Access Network (Evolved Universal Mobile Telecommunications System Terrestrial Radio Access Network).
  • Evolved Universal Mobile Telecommunications System Terrestrial Radio Access Network Evolved Universal Mobile Telecommunications System Terrestrial Radio Access Network
  • the UE1 is referred to as a terminal
  • the UE2 is referred to as a peer terminal
  • the UE1 and the UE2 are two terminals that can perform voice communication with each other, and the SRVCC handover is directed to the UE1.
  • Step 2 the E-UTRAN decides to trigger an SRVCC handover to the GSM/UMTS. That is, the E-UTRAN determines the handover.
  • Step 3 The E-UTRAN sends a Handover Required to the source MME (Mobility Management Entity), where the E-UTRAN indicates that the SRVCC Handover is an SRVCC Handover. .
  • MME Mobility Management Entity
  • Step 4 The MME separates the voice bearer from the non-voice bearer, and then initiates the PS to CS SRVCC switch of the voice bearer only to the MSC Server (Mobile Switching Center Server).
  • MSC Server Mobile Switching Center Server
  • Step 5 The MME sends an SRVCC PS to CS Request message of the SRVCC to the CS domain to the MSC Server.
  • Step 6 The MSC Server initiates interaction with a target MSC (Target MSC), a target BSS (Target BSS), or a target RNS (Target RNS), and is CS voice pre-determined in the target MSC, the target BSS, or the target RNS. Keep resources. And, if it is accompanied by PS switching, it still needs Forwarding data between the MME, the target SGSN (Serving General Packet Radio Service Support Node), and the target BSS or the target RNS, and forwarding the data of the handover user to the The target BSS or the target RNS.
  • target MSC target MSC
  • target BSS target BSS
  • target RNS target RNS
  • Step 7 Establish a circuit connection between the target MSC and the MGW (Media Gate Way).
  • Step 8 The MSC Server sends an SRVCC PS to CS Response message of the SRVCC to the CS domain to the MME.
  • Step 9 The MME sends a Handover Command message to the E-UTRAN, where the handover command message is used to indicate that the radio access network is switched.
  • Step 10 The E-UTRAN sends a Handover from E-UTRAN Command message to the UE1, where the handover command message from the E-UTRAN is used to indicate that the radio access network is handed over.
  • Step 11 After the air interface switching is completed, the UE1 sends a Handover Complete message to the target BSS or the target RNS, where the handover complete message is used to indicate that the radio access network handover is completed.
  • Step 12 The target BSS or the target RNS sends a Relocation Complete message or a Handover Complete message to the target MSC.
  • the relocation complete message or handover complete message is used to indicate that the radio access network handover is complete.
  • Step 13 The target MSC sends a Handover Complete message to the MSC Server.
  • the handover complete message is used to indicate that the radio access network handover is complete.
  • Step 14 Deal with PS HO of suspend, release E-UTRAN resource, TMSI Rellocation and Update Location, that is, processing related resources accompanying the PS handover, releasing relevant resources of the 4G system.
  • Step A The MSC Server sends an ISUP (Integrated Services Digital Network User Part) IAM (Initial Address Message) to the ATCF (Access Transfer Control Function). Session Transfer process.
  • IAM Integrated Services Digital Network User Part
  • ATCF Access Transfer Control Function
  • Step B After receiving the ISUP IAM message, the ATCF sends a Configure ATGW message to the ATGW (Access Transfer Gateway) to update the original PS media path information in the ATGW to the CS media path information. That is, the configuration ATGW message is used to instruct to update the original PS media path information in the ATGW to CS media path information.
  • the ATGW Access Transfer Gateway
  • Step C The ATGW sends a Configure ATGW Ack (Configure ATGW Acknowledgement) message to the ATCF.
  • the configuration ATGW confirms that the ATGW receives the response message that is replied after the ATGW message is configured, and may also be used to indicate that the ATGW configuration is complete.
  • Step D The ATCF sends a Session Transfer esponse message to the MSC Server.
  • the service level that is, the core network layer, has been switched from the PS domain to the CS domain.
  • the session transfer response message is used to determine to initiate a session transfer during a service handover of the SRVCC handover.
  • Step E The ATCF sends an Access Transfer Update message to the SCC AS (Service Centralization and Continuity Application Server) to update between the SCC AS and the ATCF. Dialogue.
  • the service call session control function in the figure refers to an S-CSCF (Serving Call Session Control Function).
  • Step F The SCC AS sends an acknowledgement message of the Access Transfer Update to the ATCF. That is, access transfer update confirmation.
  • Step G The ATCF forwards SSI (Session State Information) to the MSC Server.
  • SSI Session State Information
  • Step H If the number of active or inactive speech sessions (voice sessions) included in the SSI received by the MSC Server is more than one, the MSC Server may trigger a session of the other session to the SCC AS. Transfer.
  • Step I The Gm reference point in the process of handling the PS Handover is reserved, and the reference point is not retained if there is no other voice media stream in the IMS session.
  • the steps of the alphabetic number sequence occur after the step 6, after the step 6, the step 7 and the step A do not have a sequential relationship, and the step of the numerical serial number and the step of the alphabetic number after the step can be paralleled. , can also be done in any order.
  • FIG. 2 is a handover process of PS to CS SRVCC in the prior art
  • FIG. 2 is a handover process when the ATGW is not anchored.
  • the ATGW not anchored means that the ATGW does not save the user plane connection relationship at both ends of the transceiver.
  • the flow part of the digital sequence number refers to the handover at the radio access network level, for example, the handover from LTE to GSM/UMTS;
  • the part of the alphabetic sequence refers to the handover at the service level, for example, from IMS VoIP to CS. Switching of the domain core network.
  • Step A The MSC Server starts the Sessiong Transfer process by sending an ISUP IAM message to the ATCF.
  • Step B The ATCF forwards the ISUP IAM message used to start the session transfer process to the SCC AS because the media session is not anchored to the ATGW.
  • Step C The SCC AS sends an offer (update message) to the UE2, and notifies the UE2 that the session is updated.
  • the UE 2 can be referred to as a target terminal.
  • Step D The UE2 sends a response message to the SCC AS.
  • Step E The SDD AS sends a Sessiong Transfer Response message to the ATCF.
  • Step F The ATCF forwards the Sessiong Transfer Response message to the MSC Server.
  • Step G If the number of active or inactive speech sessions included in the SSI received by the MSC Server is more than one, the MSC Server may trigger other sessions to the SCC AS.
  • Step H The Gm reference point in the process of handling the PS Handover is reserved, and the reference point is not retained if there is no other voice media stream in the IMS session.
  • the steps of the alphabetic number sequence occur after the step 6, after the step 6, the step 7 and the step A do not have a sequential relationship, and the step of the numerical serial number and the step of the alphabetic number after the step can be paralleled. , can also be done in any order.
  • an embodiment of the present invention provides a method for measuring a handover time of an SRVCC, and a main process of the method is described as follows.
  • Step 301 When performing the SRVCC handover, the terminal determines a start time of the voice interruption in the service switching in the SRVCC handover, and starts timing from the start time.
  • a voice interruption is caused.
  • UE1 and UE2 are performing voice communication, and when the SRVCC switching is performed on UE1, a voice interruption between UE1 and UE2 is caused.
  • the SRVCC handover includes the two procedures of the wireless access network handover and the service handover, and the voice interruption may start when the radio access network is handed over, or may also start when the service is switched.
  • the start time of the voice interruption in the service switching is: a time when the terminal cannot acquire downlink data, or a time when the terminal cannot send uplink data.
  • the terminal cannot obtain downlink data, which may be that the downlink voice packet data transmission of the terminal is interrupted, or the terminal may not decode the downlink data.
  • the terminal cannot send uplink data, which may refer to interruption of uplink voice packet data transmission of the terminal.
  • Step 302 The terminal determines a completion time of the voice interruption in the service switching, and stops timing at the completion time to obtain a timing duration; the timing duration is an interruption duration of the SRVCC handover.
  • the completion time of the voice interruption in the service switching is: a moment when the uplink data service and the downlink data service of the terminal are restored.
  • the method may further include: a target RNS (Radio Network Subsystem) to pass the target BSS or the target RNS
  • the timing is sent to the network management system.
  • the network management system here refers to the upper-layer network management system, which can uniformly manage the network elements in the network. Sending the timing duration to the network management system, and the network management system knows the SRVCC handover interruption time, and can also perform corresponding scheduling or processing according to the SRVCC handover interruption time.
  • the terminal sending the time duration to the target BSS or the target RNS may include: the terminal sending the time duration in a handover complete message to the terminal The target BSS or the target RNS, where the handover complete message is used to indicate that the radio access network handover in the SRVCC handover is completed.
  • the terminal may send the timing duration to the target BSS or the target RNS by using a special message, and the specific sending manner is not limited in the present invention.
  • an embodiment of the present invention provides another method for measuring a handover time of an SRVCC, where the method may be applied to the terminal, the network management system, or the MSC Server.
  • the main flow of the method is described below.
  • Step 401 When the SRVCC handover is performed, the timing is started when the start time of the voice interruption in the service switching and the time when the voice interruption starts in the wireless access network switching.
  • the method can be applied to three different devices, that is, the method can be performed by different devices.
  • the terminal When the SRVCC handover is performed, the terminal starts timing at the start time of the voice interruption in the service switching and the time of the first arrival in the voice interruption in the wireless access network switching; or
  • the network management system starts timing at the start time of the voice interruption in the service switching and the time when the voice interruption starts in the wireless access network handover, or when the SRVCC handover is performed, The beginning of the voice interruption of the MSC Server in the service switching The time is first and the time is reached first in the start time of the voice interruption in the wireless access network switching. The following is introduced separately.
  • the start time of the voice interruption in the service switching is a time when the terminal cannot obtain downlink data, or a time when the terminal cannot send uplink data;
  • the start time of the voice interruption is the time when the terminal receives the handover command.
  • the handover command that is, the Handover Command, is used to indicate that the radio access network is switched.
  • the terminal cannot obtain downlink data, which may be that the downlink voice packet data transmission of the terminal is interrupted, or the terminal may not decode the downlink data.
  • the terminal cannot send uplink data, which may refer to interruption of uplink voice packet data transmission of the terminal.
  • the starting time of the voice interruption in the service switching is specifically: The moment when the downlink voice packet data transmission of the terminal is interrupted, or the time when the downlink data cannot be decoded.
  • the starting time of the voice interruption in the service switching is specifically: The moment when the uplink voice packet data transmission of the terminal is interrupted.
  • the start time of the voice interruption in the radio access network handover is the moment when the terminal receives the handover command
  • the start of the voice interruption in the radio access network handover is specifically: the time when the terminal receives the handover command sent by the E-UTRAN. That is, the terminal determines the time at which the step 10 of Fig. 1 and Fig. 2 is completed as the start time of the voice interruption in the wireless access network switching.
  • the time is counted by the network management system.
  • the network management system here refers to the upper-level network management system as described above. There are multiple NEs in the network. There may be no unified clock standard between NEs, but the upper-layer NMS has a unified time. The clock standard can be timed by the network management system, and the timing result will be more accurate.
  • the start time of the voice interruption in the service switching is a time when the access transfer control function ATCF sends an ATGW message to the access transfer gateway ATGW, where the radio access network switches the voice.
  • the start time of the interrupt is the time when the E-UTRAN sends a handover command to the terminal; wherein the handover command is used to indicate that the radio access network handover is performed.
  • the network management system may determine the time when the step 10 in FIG. 1 starts to be executed as the start time of the voice interruption in the radio access network handover, and the network management system may start step B in FIG. The time of execution is determined as the starting time of the voice interruption in the service switching.
  • a start time of the voice interruption in the service switching is a time when the SCC AS sends an update message to the opposite terminal, and a voice interruption in the wireless access network switching
  • the start time is a time when the E-UTRAN sends a handover command to the terminal, where the update message is used to instruct the peer terminal to perform information update during the service switching process of the SRVCC handover, where the information is updated.
  • the peer terminal maintains a communication connection with the terminal, the handover command is used to instruct to start the radio access network handover, and the peer terminal is a terminal that performs voice communication with the terminal. That is, the terminal refers to UE1 in FIG. 1 and FIG. 2, and the peer terminal refers to UE2 in FIG. 1 and FIG.
  • the network management system may determine the time when the step 10 in FIG. 2 starts to be executed as the start time of the voice interruption in the radio access network handover, and the network management system may start step C in FIG. The time of execution is determined as the starting time of the voice interruption in the service switching.
  • the start time of the voice interruption in the service switching is the time when the SCC AS sends the update message to the peer terminal
  • the start time of the voice interruption in the service switching is specifically: And the time after the SCC AS sends the update message to the opposite terminal and adds a one-way delay between the SCC AS and the opposite terminal.
  • the one-way delay between the SCC AS and the target terminal may be a message between the two Send and receive historical estimates. For example, when the SCC AS sends a message to the target terminal is A, and the response message of the target terminal is B in the SCC AS, the single between the SCC AS and the target terminal The delay is (TB-TA)/2. Adding a one-way delay can make the determined result more accurate and more realistic.
  • a start time of the voice interruption in the service switching is a time when the MSC Server sends a session initiation message to the ATCF, where the voice interruption occurs in the radio access network switching
  • the start time is a time when the MSC Server sends a PS handover to the CS response message to the source MME.
  • the session transfer message is used to indicate that the session transfer is initiated during the service handover of the SRVCC handover, where the source MME is The MME accessed by the terminal before performing the SRVCC handover, and the PS handover to CS response message is used to determine to perform the radio access network handover.
  • the MSC Server may determine the time when the step 8 in FIG. 1 or FIG. 2 starts to be executed as the start time of the voice interruption in the radio access network handover, and the MSC Server may refer to FIG. 1 or FIG.
  • the time at which the step A in step 2 starts execution is determined as the start time of the voice interruption in the service switching.
  • the start time of the voice interruption in the service switching and the start time of the voice interruption in the radio access network switching may be The time of first arrival begins.
  • the start time of the voice interruption in the service switching is 13:00:15
  • the starting time of the voice interruption in the radio access network handover is 13:00:16
  • the meaning of the first arrival is only used to illustrate the first arrival, and does not represent the real moment.
  • the starting time of the voice interruption in the service switching and the starting moment of the voice interruption in the switching of the radio access network The time difference between them may be milliseconds or even smaller.
  • Step 402 Stop timing when the completion time of the voice interruption in the service switching and the arrival time of the completion time of the voice interruption in the switching of the radio access network, and obtain a time duration, where the time duration is the SRVCC The length of the interrupted switch.
  • the time duration is also obtained by the terminal; if it is timed by the network management system, the time duration is also obtained by the network management system; It is timed by the MSC Server, and the time duration is also obtained by the MSC Server.
  • the time duration is obtained by the terminal.
  • the completion time of the voice interruption in the service switching is a time when the uplink data service and the downlink data service of the terminal are restored, and the completion time of the voice interruption in the switching of the wireless access network And a time when the terminal completes the handover completion message, where the handover complete message is used to indicate that the radio access network handover is complete.
  • the terminal determines that the SRVCC handover is completed. And, the terminal may determine, as the completion time of the voice interruption in the radio access network handover, the time when the step 11 in FIG. 1 or FIG. 2 is performed.
  • the time duration is obtained by the network management system.
  • a start time of the voice interruption in the service switching is a time when the ATCF sends an ATGW message to the ATGW
  • a start time of the voice interruption in the radio access network switching is E - a time when the UTRAN sends a handover command to the terminal
  • the completion time of the voice interruption in the service handover is a time when the ATGW sends an ATGW response message to the ATCF
  • the voice is switched in the radio access network
  • the completion time of the interruption is the time when the target BSS or the target NS receives the handover complete message sent by the terminal; where the handover complete message is used to indicate that the radio access network handover is completed.
  • the network management system may The time at which the step C starts to be executed is determined as the completion time of the voice interruption in the service switching, and the time when the step 11 in FIG. 1 is completed is determined as the completion time of the voice interruption in the wireless access network switching. .
  • a start time of the voice interruption in the service switching is a time when the SCC AS sends the update message to the target terminal, and a start of the voice interruption in the radio access network switching
  • the time when the E-UTRA sends the handover command to the terminal, and the completion time of the voice interruption in the service switching is the time when the ATCF sends the session transfer response message to the MSC Server
  • the wireless access The completion time of the voice interruption in the network switching is the time when the target BSS or the target RNS receives the handover complete message sent by the terminal, where the session transfer response message is used to determine the service switching process in the SRVCC handover. Start a session transfer.
  • the network management system determines the time when the step 10 in FIG. 2 starts to be executed as the start time of the voice interruption in the radio access network handover, and determines the time when the step C in FIG. 2 starts execution. For the start time of the voice interruption in the service switching, the network management system may determine the time when the step F in FIG. 2 starts to be executed as the completion time of the voice interruption in the service switching, and the time in FIG. 2 The time when the execution is completed is determined as the completion time of the voice interruption in the radio access network handover.
  • the time duration is obtained by the MSC Server.
  • the completion time of the voice interruption in the service switching is a time when the ATCF sends a session transfer response message to the MSC server, and the completion of the voice interruption in the radio access network switching The time when the target MSC sends a handover complete message to the MSC server, where the session transfer response message is used to determine that the session transfer is initiated during the service switching process of the SRVCC handover, where the handover complete message is used for indicating The radio access network handover is completed.
  • the MSC Server may determine the time when the step D in FIG. 1 or the step F in FIG. 2 starts to be executed as the completion time of the voice interruption in the service switching, and step 12 in FIG. 1 or FIG. The time when the execution is started is determined as the completion of the voice interruption in the radio access network handover Engraved.
  • the time duration is obtained by the terminal, the network management system or the MSC Server, both of the completion time of the voice interruption in the service switching and the completion of the voice interruption in the wireless access network switching
  • the completion time of the voice interruption in the service switching is 13:00:18
  • the completion time of the voice interruption in the radio access network handover is 13:00:19
  • the voice interruption will arrive later.
  • the network management system, or the MSC Server when the voice interruption is completed in the service switching, determining that the voice interruption in the wireless access network switching has not been completed, the time continues until The timing is stopped until the voice interruption is completed in the radio access network handover.
  • the terminal If the terminal counts, the terminal stops timing, and the time period is obtained by the terminal; if the network management system counts, the network management system stops timing, and the network is stopped. The network management system obtains the timing duration; if timed by the MSC Server, the MSC Server also stops timing, and the MSC Server obtains the timing duration.
  • the time duration is obtained by the terminal, after obtaining the time duration,
  • the network management system refers to the upper-layer network management system as described above, which can uniformly manage the network elements in the network.
  • the timing duration is sent to the network management system, and the network management system thus knows the SRVCC handover interruption time, and can also perform corresponding scheduling or processing according to the SRVCC handover interruption time.
  • the terminal sending the time duration to the target BSS or the target RNS may include: the terminal sending the time duration in a handover complete message to the target BSS or target RNS.
  • the terminal may send the time duration to the target BSS or the target RNS through a special message, and the specific sending manner is not limited in the present invention.
  • the method further includes: sending, by the MSC Server, the time duration to the Network management system.
  • the network management system here also refers to the upper-level network management system as described above, which can uniformly manage the network elements in the network. Sending the timing duration to the network management system, and the network management system knows the SRVCC handover interruption time, and can also perform corresponding scheduling or processing according to the SRVCC handover interruption time.
  • the time duration may be sent to the network management system, so that the network management system performs subsequent unified scheduling management. If the timing is obtained directly by the network management system, the step of transmitting the timing to the network management system is naturally omitted.
  • the SRVCC handover interruption time is determined in a relatively simple manner, and the obtained timing duration is sent to the network management system, so that the network management system can perform unified scheduling processing according to the timing duration,
  • the adverse effects caused by the voice interruption caused by the SRVCC handover are reduced, the network environment is optimized, and the network quality is improved.
  • an embodiment of the present invention provides a terminal, where the terminal may include a first determining module 501 and a second determining module 502.
  • the terminal in the embodiment of the present invention may refer to the terminal as described above.
  • the first determining module 501 is configured to determine a starting moment of a voice interruption in the service switching in the SRVCC handover, and start timing from the starting moment;
  • the second determining module 502 is configured to determine a completion time of the voice interruption in the service switching, and stop timing at the completion time to obtain a timing duration; the timing duration is an interruption duration of the SRVCC handover.
  • the start time of the voice interruption in the service switching is: a time when the terminal cannot acquire downlink data, or a time when the terminal cannot send uplink data.
  • the start time is a time when the terminal cannot obtain downlink data
  • the start time is specifically: the downlink voice packet data transmission interruption of the terminal The moment, or the moment when the downlink data cannot be decoded.
  • the start time is a time when the terminal cannot send the uplink data
  • the start time is specifically: a time when the uplink voice packet data transmission of the terminal is interrupted.
  • the completion time of the voice interruption in the service switching is: a moment when the uplink data service and the downlink data service of the terminal are restored.
  • the terminal may further include: a sending module, configured to: after obtaining the timing duration, send the timing duration to the target BSS or the target RNS to pass the target BSS or the The target RNS sends the time duration to the network management system, where the target BSS is the BSS to which the terminal switches after the SRVCC handover, and the target RNS is switched after the SRVCC switch is performed by the terminal.
  • a sending module configured to: after obtaining the timing duration, send the timing duration to the target BSS or the target RNS to pass the target BSS or the The target RNS sends the time duration to the network management system, where the target BSS is the BSS to which the terminal switches after the SRVCC handover, and the target RNS is switched after the SRVCC switch is performed by the terminal.
  • a sending module configured to: after obtaining the timing duration, send the timing duration to the target BSS or the target RNS to pass the target BSS or the The target RNS sends the time duration to the network management system, where the target B
  • the sending module is specifically configured to: send the timing duration to a target complete BSS or the target RNS according to a handover complete message;
  • the handover complete message is used to indicate that the radio access network handover in the SRVCC handover is completed.
  • an embodiment of the present invention provides a measurement apparatus for SRVCC handover time, and the apparatus may include an operation module 601 and an acquisition module 602.
  • the device in the embodiment of the present invention may refer to the terminal as described above, or may be the network management system as described above, or may be the MSC Server as described above.
  • the operation module 601 is configured to start timing when the SRVCC handover is performed, the time when the voice interruption starts in the service switching and the time when the voice interruption starts in the wireless access network switching, and the acquiring module 602 is used to The time of completion of the voice interruption in the service switching and the time of arrival in the completion time of the voice interruption in the switching of the radio access network stop, and the timing is obtained, and the timing is the interruption duration of the SRVCC handover.
  • the start time of the voice interruption in the service switching is a time when the terminal cannot obtain downlink data, or the terminal cannot send uplink data.
  • a moment when the start of the voice interruption in the radio access network handover is the terminal And a time when the handover command is received; where the handover command is used to indicate that the radio access network handover is performed.
  • the device is the terminal, then:
  • the starting time of the voice interruption in the service switching is specifically: the time when the downlink voice packet data transmission of the terminal is interrupted , or, the time at which the downlink data cannot be decoded;
  • the starting time of the voice interruption in the service switching is specifically: the time when the uplink voice packet data transmission of the terminal is interrupted ;
  • the start time of the voice interruption in the radio access network handover is the time when the terminal receives the handover command
  • the start time of the voice interruption in the radio access network handover is specifically: the terminal receives the The moment of the handover command sent by the evolved universal terrestrial radio access network E-UTRAN.
  • the completion time of the voice interruption in the service switching is a time when the uplink data service and the downlink data service of the terminal are restored, the wireless connection
  • the completion time of the voice interruption in the network switching is the time when the terminal receives the handover complete message; wherein the handover complete message is used to indicate that the radio access network handover is completed.
  • the device further includes: a sending module, configured to: after obtaining the time duration, send the time duration to the target BSS or the target RNS, The timing duration is sent to the network management system by the target BSS or the target RNS.
  • a sending module configured to: after obtaining the time duration, send the time duration to the target BSS or the target RNS, The timing duration is sent to the network management system by the target BSS or the target RNS.
  • the sending module is specifically configured to: send the time duration duration in a handover complete message to the target BSS or a target RNS;
  • the handover complete message is used to indicate that the radio access network handover is completed.
  • the device is the network management system
  • the start time of the voice interruption in the service switching is a time when the access transfer control function ATCF sends an ATGW message to the access transfer gateway ATGW, where the radio access network switches the voice.
  • a change command is used to indicate that the radio access network is switched;
  • the starting moment of the voice interruption in the service switching is a service centralization and continuity application server.
  • the time when the SCC AS sends the update message to the peer terminal, and the start time of the voice interruption in the radio access network handover is the evolved universal mobile communication system terrestrial radio access E-UTRAN sends a handover command to the terminal
  • the update message is used to indicate that the peer terminal performs information update in a service switching process of the SRVCC handover, where the information update is used by the peer terminal to maintain a communication connection with the terminal, where The handover command is used to instruct to start the radio access network handover, and the peer terminal is a terminal that performs voice communication with the terminal.
  • the start time of the voice interruption in the service switching is a time when the SCC AS sends an update message to the opposite terminal
  • the start time of the voice interruption in the service switching is specifically: the time after the SCC AS sends the update message to the opposite terminal and adds a one-way delay between the SCC AS and the opposite terminal.
  • the device is the network management system, then:
  • the start time of the voice interruption in the service switching is the time when the ATCF sends the ATGW message to the ATGW, and the start time of the voice interruption in the radio access network handover is E-UTRA
  • the handover command is sent to the terminal.
  • the completion time of the voice interruption in the service switching is the time when the ATGW sends the ATGW response message to the ATCF
  • the completion time of the voice interruption in the radio access network handover is the target BSS or the target RNS.
  • the handover command is sent to At the time of the terminal, the completion time of the voice interruption in the service switching is a time when the ATCF sends a session transfer response message to the MSC Server, and the completion time of the voice interruption in the radio access network switching is And a time when the target BSS or the target RNS receives the handover complete message sent by the terminal, where the session transfer response message is used to determine that Session transfer is initiated during the service switching of the SRVCC handover.
  • the start time of the voice interruption in the service switching is a time when the MSC Server sends a session initiation message to the ATCF, where The start time of the voice interruption in the radio access network handover is the time when the MSC Server sends the PS handover to the CS response message to the source MME.
  • the session transfer message is used to indicate the service handover process in the SRVCC handover.
  • the source MME is an MME accessed by the terminal before performing the SRVCC handover, and the PS handover to CS response message is used to determine to perform the radio access network handover.
  • the completion time of the voice interruption in the service switching is a time when the ATCF sends a session transfer response message to the MSC Server
  • the completion time of the voice interruption in the radio access network handover is a time when the target MSC sends a handover complete message to the MSC server, where the session transfer response message is used to determine that the service is started during the service handover of the SRVCC handover. Session transfer, the handover complete message is used to indicate that the radio access network handover is completed.
  • the device may further include: a sending module, configured to: after obtaining the time duration, send the time duration to the northbound interface The network management system.
  • a sending module configured to: after obtaining the time duration, send the time duration to the northbound interface The network management system.
  • an embodiment of the present invention provides a terminal, where the terminal includes: a bus 730, and a processor 710 and a memory 720 connected to the bus 730.
  • the memory 720 is used to store instructions.
  • the processor 710 is configured to execute the instruction, determine a start time of a voice interruption in the service switching in the SRVCC handover, and start timing from the start time; determine a completion time of the voice interruption in the service switching, and The timing is stopped at the completion time, and the timing duration is obtained; the timing duration is the interruption duration of the SRVCC handover.
  • the terminal in the embodiment of the present invention may be a terminal as described above.
  • the start time of the voice interruption in the service switching is: a time when the terminal cannot acquire downlink data, or a time when the terminal cannot send uplink data.
  • the starting time is that the terminal cannot obtain the downlink number
  • the starting time is specifically: a time when the downlink voice packet data transmission of the terminal is interrupted, or a time when the downlink data cannot be decoded.
  • the start time is a time when the terminal cannot send the uplink data
  • the start time is specifically: a time when the uplink voice packet data transmission of the terminal is interrupted.
  • the completion time of the voice interruption in the service switching is: a moment when the uplink data service and the downlink data service of the terminal are restored.
  • the terminal may further include a transmitter connected to the bus 630, configured to send the timing duration to the target BSS or the target RNS after obtaining the timing duration, where
  • the target BSS is a BSS to which the terminal is switched after the SRVCC handover
  • the target RNS is an RNS to which the terminal switches after the SRVCC handover.
  • the transmitter is specifically configured to send the timing duration in a handover complete message to the target BSS or the target RNS; where the handover is completed.
  • the message is used to indicate that the radio access network handover in the SRVCC handover is completed.
  • an embodiment of the present invention provides a measuring apparatus for SRVCC switching time.
  • the apparatus includes: a bus 830, and a processor 810 and a memory 820 coupled to the bus 830.
  • the memory 820 is used to store instructions.
  • the processor 810 is configured to execute the instruction, when the SRVCC handover is performed, start timing in a start time of the voice interruption in the service switching and a start time in the start time of the voice interruption in the radio access network switching, and acquire the module; And stopping, in the completion time of the voice interruption in the service switching, and the time of arrival in the completion time of the voice interruption in the radio access network switching, and obtaining a time duration, wherein the time duration is the SRVCC The length of the interrupted switch.
  • the device in the embodiment of the present invention may be the terminal as described above, or may be the network management system as described above, or may be the MSC Server as described above.
  • the start time of the voice interruption in the service switching is a time when the terminal cannot obtain downlink data, or the terminal cannot send the terminal.
  • the time at which the uplink data is sent; the start time of the voice interruption in the radio access network handover is the time when the terminal receives the handover command; wherein the handover command is used to indicate that the radio access network handover is performed.
  • the device is the terminal, then:
  • the starting time of the voice interruption in the service switching is specifically: the time when the downlink voice packet data transmission of the terminal is interrupted , or, the time at which the downlink data cannot be decoded;
  • the starting time of the voice interruption in the service switching is specifically: the time when the uplink voice packet data transmission of the terminal is interrupted ;
  • the start time of the voice interruption in the radio access network handover is the time when the terminal receives the handover command
  • the start time of the voice interruption in the radio access network handover is specifically: the terminal receives the The moment of the handover command sent by the evolved universal terrestrial radio access network E-UTRAN.
  • the completion time of the voice interruption in the service switching is a time when the uplink data service and the downlink data service of the terminal are restored, the wireless connection
  • the completion time of the voice interruption in the network switching is the time when the terminal receives the handover complete message; wherein the handover complete message is used to indicate that the radio access network handover is completed.
  • the device further includes a transmitter connected to the bus 830, where the transmitter is configured to: after obtaining the timing duration, the timing The duration is sent to the target BSS or the target RNS to send the timing duration to the network management system through the target BSS or the target RNS.
  • the transmitter is configured to: send the time duration bearer in a handover complete message to the target BSS or target The handover completion message is used to indicate that the radio access network handover is completed.
  • the start time of the voice interruption in the service switching is a time when the access transfer control function ATCF sends an ATGW message to the access transfer gateway ATGW, where the voice change command in the radio access network handover is used to indicate the wireless Access network switching; or
  • the start time of the voice interruption in the service switching is a time when the service centralization and continuity application server SCC AS sends an update message to the opposite terminal, and the start time of the voice interruption in the radio access network handover is evolved.
  • the information update is used by the peer terminal to maintain a communication connection with the terminal, the handover command is used to instruct to start the radio access network handover, and the peer terminal is in voice communication with the terminal. terminal.
  • the start time of the voice interruption in the service switching is a time when the SCC AS sends an update message to the opposite terminal
  • the start time of the voice interruption in the service switching is specifically: the time after the SCC AS sends the update message to the opposite terminal and adds a one-way delay between the SCC AS and the opposite terminal.
  • the shell is:
  • the start time of the voice interruption in the service switching is the time when the ATCF sends the ATGW message to the ATGW, and the start time of the voice interruption in the radio access network handover is the E-UTRAN
  • the handover command is sent to the terminal.
  • the completion time of the voice interruption in the service switching is the time when the ATGW sends the ATGW response message to the ATCF
  • the completion time of the voice interruption in the radio access network handover is the target BSS or the target RNS.
  • the start time of the voice interruption in the service switching is the time when the SCC AS sends the update message to the target terminal, and the start time of the voice interruption in the radio access network handover is E-UTRAN
  • the handover command is sent to
  • the completion time of the voice interruption in the service switching is a time when the ATCF sends a session transfer response message to the MSC Server
  • the wireless connection The completion time of the voice interruption in the network switching is the time when the target BSS or the target RNS receives the handover complete message sent by the terminal, where the session transfer response message is used to determine the service switching process in the SRVCC handover. Start a session transfer.
  • the start time of the voice interruption in the service switching is a time when the MSC Server sends a session initiation message to the ATCF, where The start time of the voice interruption in the radio access network handover is the time when the MSC Server sends the PS handover to the CS response message to the source MME.
  • the session transfer message is used to indicate the service handover process in the SRVCC handover.
  • the source MME is an MME accessed by the terminal before performing the SRVCC handover, and the PS handover to CS response message is used to determine to perform the radio access network handover.
  • the device is the MSC Server
  • the moment of the industry response message, and the completion time of the voice interruption in the radio access network handover are the target MSC to the The time when the MSC Server sends the handover complete message, where the session transfer response message is used to determine that the session transfer is initiated during the service handover of the SRVCC handover, where the handover complete message is used to indicate the radio access network handover carry out.
  • the device may further include a transmitter connected to the bus 830, where the transmitter is configured to: after obtaining the time duration, The timing duration is sent to the network management system through a northbound interface.
  • An embodiment of the present invention provides a method for measuring a handover time of an SRVCC, where the method may include: determining, by a terminal, a start time of a voice interruption in a service handover in the SRVCC handover, and starting timing from the start time; The terminal determines a completion time of the voice interruption in the service switching, and stops timing at the completion time to obtain a timing duration; the timing duration is an interruption duration of the SRVCC handover.
  • the terminal may start timing at the start time of the voice interruption in the service switching, and stop timing at the completion time of the voice interruption in the service switching, so that the SRVCC can be obtained.
  • the interruption duration of the handover solves the technology that cannot be solved in the prior art. The problem, and the operation is simple and easy to implement.
  • the disclosed systems, devices, and methods may be implemented in other ways.
  • the device embodiments 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. Combined or can be integrated into another system, or some features can be ignored, or not executed.
  • the coupling or direct coupling or communication connection between the various components shown or discussed may be an indirect connection or communication connection through some interface, device or unit, and may be in electrical, mechanical or other form.
  • the components displayed for the unit may or may not be physical units, ie may be located in one place, or may be distributed over multiple network units. Some or all of the units may be selected according to actual needs to achieve the objectives of the solution of the 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 function 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.
  • the technical solution of the present application in essence or the contribution to the prior art, or all or part of the technical solution may be embodied in the form of a software product stored in a storage medium.
  • a computer device which may be a personal computer, a server, or a network device, etc.
  • a processor to perform the embodiments of the present application. All or part of the steps of the method.
  • the foregoing storage medium includes: a U disk, a removable hard disk, a read-only memory (ROM), a random access memory (RAM), a magnetic disk or an optical disk, and the like, which can store program codes. .

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

Abstract

La présente invention se rapporte au domaine technique des communications mobiles, et concerne, en particulier, un procédé et un dispositif de mesure de temps de commutation de SRVCC, utilisés pour résoudre le problème technique dans l'état de la technique d'incapacité à mesurer un temps d'interruption de commutation de SRVCC. Le terminal dans un mode de réalisation de la présente invention peut démarrer la temporisation au temps de début d'une interruption vocale durant une commutation de service, et arrêter la temporisation au temps de fin de l'interruption vocale durant la commutation de service, permettant ainsi d'obtenir la durée d'interruption de la commutation de SRVCC, et de résoudre le problème technique ne pouvant pas être résolu dans l'état de la technique ; en outre, l'opération est simple et facile à réaliser.
PCT/CN2014/080875 2014-06-26 2014-06-26 Procédé et dispositif de mesure de temps de commutation de srvcc WO2015196431A1 (fr)

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CN201480032231.9A CN105393578B (zh) 2014-06-26 2014-06-26 一种srvcc切换时间的测量方法及装置
PCT/CN2014/080875 WO2015196431A1 (fr) 2014-06-26 2014-06-26 Procédé et dispositif de mesure de temps de commutation de srvcc

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WO2021159365A1 (fr) 2020-02-13 2021-08-19 Qualcomm Incorporated Mesure d'interruption pour transfert intercellulaire actif à double pile de protocoles et transfert intercellulaire conditionnel
CN114073127A (zh) * 2019-07-10 2022-02-18 高通股份有限公司 服务中断测量

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CN101841836A (zh) * 2009-03-19 2010-09-22 华为技术有限公司 一种切换的优化方法、切换装置和系统
CN102244910A (zh) * 2010-05-10 2011-11-16 中兴通讯股份有限公司 一种增强单接入语音业务连续性的通信系统及方法
CN103404107A (zh) * 2013-06-05 2013-11-20 华为技术有限公司 信息传输方法、信息更改方法及装置

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CN101841836A (zh) * 2009-03-19 2010-09-22 华为技术有限公司 一种切换的优化方法、切换装置和系统
CN102244910A (zh) * 2010-05-10 2011-11-16 中兴通讯股份有限公司 一种增强单接入语音业务连续性的通信系统及方法
CN103404107A (zh) * 2013-06-05 2013-11-20 华为技术有限公司 信息传输方法、信息更改方法及装置

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Publication number Priority date Publication date Assignee Title
CN114073127A (zh) * 2019-07-10 2022-02-18 高通股份有限公司 服务中断测量
EP3997909A4 (fr) * 2019-07-10 2023-06-14 QUALCOMM Incorporated Mesure d'interruption de service
CN114073127B (zh) * 2019-07-10 2024-05-14 高通股份有限公司 服务中断测量
WO2021159365A1 (fr) 2020-02-13 2021-08-19 Qualcomm Incorporated Mesure d'interruption pour transfert intercellulaire actif à double pile de protocoles et transfert intercellulaire conditionnel
CN115053562A (zh) * 2020-02-13 2022-09-13 高通股份有限公司 针对双活动协议栈切换和条件性切换的中断测量
EP4104404A4 (fr) * 2020-02-13 2023-10-25 Qualcomm Incorporated Mesure d'interruption pour transfert intercellulaire actif à double pile de protocoles et transfert intercellulaire conditionnel

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