US20110300896A1 - Method, apparatus, and system for detecting a radio network problem - Google Patents

Method, apparatus, and system for detecting a radio network problem Download PDF

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Publication number
US20110300896A1
US20110300896A1 US13/213,944 US201113213944A US2011300896A1 US 20110300896 A1 US20110300896 A1 US 20110300896A1 US 201113213944 A US201113213944 A US 201113213944A US 2011300896 A1 US2011300896 A1 US 2011300896A1
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Prior art keywords
cell
radio network
information
occurs
hof
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English (en)
Inventor
Jun Wang
Ying Huang
Xuelong Wang
Peter Legg
Johan Johansson
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Huawei Technologies Co Ltd
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Huawei Technologies Co Ltd
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Assigned to HUAWEI TECHNOLOGIES CO., LTD. reassignment HUAWEI TECHNOLOGIES CO., LTD. ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: JOHANSSON, JOHAN, WANG, XUELONG, HUANG, YING, LEGG, PETER, WANG, JUN
Priority to US13/252,902 priority Critical patent/US9838919B2/en
Publication of US20110300896A1 publication Critical patent/US20110300896A1/en
Priority to US14/202,953 priority patent/US9838920B2/en
Priority to US15/829,313 priority patent/US10986546B2/en
Abandoned legal-status Critical Current

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W24/00—Supervisory, monitoring or testing arrangements
    • H04W24/10—Scheduling measurement reports ; Arrangements for measurement reports
    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L41/00—Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
    • H04L41/06—Management of faults, events, alarms or notifications
    • H04L41/0604—Management of faults, events, alarms or notifications using filtering, e.g. reduction of information by using priority, element types, position or time
    • H04L41/0613—Management of faults, events, alarms or notifications using filtering, e.g. reduction of information by using priority, element types, position or time based on the type or category of the network elements
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L43/00—Arrangements for monitoring or testing data switching networks
    • H04L43/06—Generation of reports
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W24/00—Supervisory, monitoring or testing arrangements
    • H04W24/02—Arrangements for optimising operational condition
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W24/00—Supervisory, monitoring or testing arrangements
    • H04W24/08—Testing, supervising or monitoring using real traffic
    • 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
    • H04W36/0058—Transmission of hand-off measurement information, e.g. measurement reports
    • 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
    • H04W36/0079—Transmission or use of information for re-establishing the radio link in case of hand-off failure or rejection
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W76/00—Connection management
    • H04W76/10—Connection setup
    • H04W76/18—Management of setup rejection or failure
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W24/00—Supervisory, monitoring or testing arrangements
    • H04W24/04—Arrangements for maintaining operational condition

Definitions

  • Radio Link Failure Radio Link Failure
  • HOF Handover Failure
  • Handover Too Early Handover Too Late
  • ping-pong handover There may be various radio network problems occur during the access of a user equipment (UE) to a radio network, for example, radio link failure (Radio Link Failure, RLF) or handover failure (Hand Over Failure, HOF), Handover Too Early, Handover Too Late, ping-pong handover.
  • RLF Radio Link Failure
  • HOF Handover Failure
  • Handover Too Early Handover Too Late
  • ping-pong handover ping-pong handover.
  • the UE When an RLF occurs on the UE, the UE re-establishes a radio resource control (Radio Resource Control, RRC) within a specified time; if the re-establishment fails within the specified time, the UE may initiate an RRC establishment request subsequently; when the UE receives a handover command and fails to perform a handover within the specified time, that is, an HOF occurs, the UE may perform an RRC re-establishment procedure within a specified time. Similarly, if the re-establishment fails within the specified time, the UE may also initiate an RRC establishment request.
  • RRC Radio Resource Control
  • a cell where the UE camps before the RLF occurs is referred to as a previous cell (P-Cell), and other cells are uniformly referred to as new cell (N-Cell).
  • P-Cell a previous cell
  • N-Cell new cell
  • S-Cell source cell
  • T-Cell target cell
  • OF-Cell other cell
  • FIG. 1 a procedure of RRC re-establishment or establishment is shown in FIG. 1 .
  • the procedure includes the following steps.
  • An RLF occurs on the UE.
  • the UE initiates an RRC connection re-establishment or establishment procedure.
  • the UE may perform the RRC connection re-establishment in the P-Cell or the N-Cell; or after the RRC re-establishment fails, the UE may initiate a subsequent RRC establishment procedure in the P-Cell or the N-Cell.
  • FIG. 2 is a schematic diagram of an RRC re-establishment or establishment procedure when a UE performs a handover and an HOF occurs.
  • the procedure includes the following steps.
  • a source cell performs measurement configuration on the UE.
  • the UE performs corresponding measurement.
  • the UE reports a measurement report to the S-Cell.
  • the S-Cell decides to hand over the UE to a target cell (T-Cell) according to the measurement report reported by the UE.
  • the S-Cell sends a handover request message to the T-Cell.
  • the T-Cell returns a handover response message to the T-Cell.
  • the S-Cell sends a handover command to the UE.
  • the UE may not hand over to the T-Cell within a specified time.
  • an HOF occurs on the UE.
  • the UE may initiate an RRC connection re-establishment procedure.
  • the UE may perform the RRC connection re-establishment procedure in an S-Cell or a T-Cell or an O-Cell of a previous handover, where the O-Cell is a cell other than the S-Cell and the T-Cell; or after the RRC connection re-establishment fails, the UE initiates a subsequent RRC connection establishment procedure.
  • the RRC connection establishment procedure may also be performed in the S-Cell, the T-Cell or the O-Cell.
  • the present invention provides a method for detecting a radio network problem.
  • the method includes: when a radio network problem occurs on a UE, a first base station controlling a cell that an RRC connection established with the UE receives problem information about the radio network problem sent by the UE, in a procedure of re-establishing or establishing an RRC connection by the UE or after an RRC connection has been established, and sends the problem information to a second base station controlling a cell where the radio network problem occurs.
  • the present invention provides an apparatus for detecting a radio network problem.
  • the apparatus includes a problem information receiving unit configured to: when a radio network problem occurs on a UE, receive problem information about the radio network problem sent by the UE, in a procedure of re-establishing or establishing an RRC connection by the UE or after an RRC connection has been established, and send the problem information to a server or a cell where the radio network problem occurs.
  • the present invention provides a method for reporting a radio network problem.
  • the method includes: when a radio network problem occurs on a UE, sending problem information about the radio network problem to a first base station controlling a cell that an RRC connection established with the UE, in a procedure of re-establishing or establishing an RRC connection or after establishing an RRC connection, where the problem information includes signal quality and the signal quality includes reference signal received power (RSRP) and/or reference signal received quality (RSRQ).
  • RSRP reference signal received power
  • RSRQ reference signal received quality
  • the present invention provides a UE.
  • the UE includes a sending unit configured to: when a radio network problem occurs on the UE, send problem information about the radio network problem to a first base station controlling a cell that an RRC connection established, in a procedure of establishing or re-establishing an RRC connection by the UE or after the UE establishes an RRC connection, where the problem information includes signal quality and the signal quality includes reference signal received power (RSRP) and/or reference signal received quality (RSRQ).
  • RSRP reference signal received power
  • RSRQ reference signal received quality
  • the present invention provides a radio network system.
  • the system includes the preceding apparatus at network side and the preceding UE.
  • a cell that an RRC connection established receives problem information about the radio network problem sent by the UE, and forwards the problem information to a server or a cell where the radio network problem occurs.
  • the network side can automatically identify and detect the radio network problem which occurs on the UE, so that the network can perform self-adjustment and optimization, therefore improving the network performance and satisfying use requirements of users.
  • FIG. 1 is a schematic diagram of a procedure of RRC re-establishment or establishment when an RLF occurs on a UE in the prior art
  • FIG. 2 is a schematic diagram of a procedure of RRC re-establishment or establishment when an HOF occurs on a UE in the prior art
  • FIG. 3 is a schematic flowchart of a method according to Embodiment 1 of the present invention.
  • FIG. 4 is a schematic structure diagram of an apparatus according to Embodiment 2 of the present invention.
  • FIG. 5 is a schematic structure diagram of a system according to Embodiment 3 of the present invention.
  • FIG. 6 is a schematic diagram of signaling interactions in a specific instance according to Embodiment 4 of the present invention.
  • FIG. 7 is a schematic diagram of signaling interactions in a specific instance according to Embodiment 5 of the present invention.
  • FIG. 8 is a schematic diagram of signaling interactions in a specific instance according to Embodiment 6 of the present invention.
  • FIG. 9 is a schematic diagram of signaling interactions in a specific instance according to Embodiment 7 of the present invention.
  • FIG. 10 is a schematic diagram of signaling interactions in a specific instance according to Embodiment 8 of the present invention.
  • FIG. 11 is a schematic diagram of signaling interactions in a specific instance according to Embodiment 9 of the present invention.
  • FIG. 12 is a schematic diagram of signaling interactions in a specific instance according to Embodiment 10 of the present invention.
  • Embodiments of the present invention provide a method, an apparatus, and a system for detecting a radio network problem, so that the network side can automatically identify and detect the radio network problem which occurs on the UE.
  • the network can perform self-adjustment and optimization, therefore improving the network performance and satisfying use requirements of users.
  • An embodiment of the present invention provides a method for detecting a radio network problem.
  • the method is as follows: when a radio network problem occurs on a UE, in a procedure of establishing an RRC connection by the UE or after an RRC connection is established, the network side receives problem information about the radio network problem sent by the UE. In this way, the network side can detect the radio network problem after receiving the problem information about the radio network problem, which provides a basis for the network side to optimize parameters and solve the radio network problem.
  • FIG. 3 is a schematic flowchart of a method for detecting a radio network problem according to Embodiment 1 of the present invention. The method includes the following content.
  • the network side receives the problem information about the radio network problem sent by the UE.
  • the network side may be a cell that the RRC connection established or other network device.
  • the radio network problem may be a radio link failure (RLF) problem, handover failure (HOF) problem, Handover Too Early, Handover Too Late or ping-pong handover.
  • RLF radio link failure
  • HAF handover failure
  • the problem information may be carried in an RRC re-establishment message or an RRC establishment message in a procedure of RRC re-establishment or establishment, or be carried in other messages after the procedure of RRC re-establishment or establishment is completed, for example, the problem information may be carried in a user-defined message.
  • the problem information about the RLF may include one or more of the following: information of an error cause, identity information of an S-Cell in the case of the RLF, identity information of a tracking area (TA) of the S-Cell in the case of the RLF, identity information of the UE, and time information from the time when the RLF occurs to the time when the RRC re-establishment or establishment succeeds.
  • the problem information about the HOF may include one or more of the following: information of an error cause, both identity information of an S-Cell and a T-Cell in the case of the HOF, identity information of a tracking area of the S-Cell in the case of the HOF, identity information of the UE, and time information from the time when a handover command is received to the time when the RRC re-establishment or establishment succeeds.
  • step 31 the network side can automatically identify and detect the radio network problem which occurs on the UE, so that the network can perform self-adjustment and optimization, therefore improving the network performance and satisfying use requirements of users.
  • step 32 may be further executed.
  • the cell directly performs a problem analysis on the received problem information and optimizes parameters to solve the radio network problem.
  • the network side may also forward the received problem information through the cell that an RRC connection established with the UE to a cell where the radio network problem occurs, and the cell where the radio network problem occurs performs a problem analysis on the received problem information and optimizes parameters to solve the radio network problem.
  • the received problem information may be forwarded to the cell where the radio network problem occurs through an inter-base station interface or through transference of a network element, where the network element may be a mobility management entity (MME) in the core network, an element management system (EMS) or a network management system (NMS).
  • MME mobility management entity
  • EMS element management system
  • NMS network management system
  • the network side may also upload the received problem information to a special server through the cell that an RRC connection established, and then the server performs analysis and processing on the received problem information.
  • the problem may be analyzed and processed on a centralized basis.
  • the received problem information may be forwarded to the element management system (EMS) through a southbound interface (Itf-S); or the received problem information may be forwarded to the network management system (NMS) server through a northbound interface Itf-N for centralized analysis and processing.
  • EMS element management system
  • Itf-S southbound interface
  • NMS network management system
  • the network side may adopt different processing modes according to different radio network problems which occur on the UE. Specifically, when a radio network problem occurs on the UE is a radio link failure (RLF), if the cell that an RRC connection established with the UE is a P-Cell where the RLF occurs, the P-Cell may directly perform a problem analysis on the received problem information and optimize parameters to solve the radio network problem.
  • RLF radio link failure
  • the N-Cell may send the received problem information to a P-Cell where the RLF occurs.
  • the N-Cell may forward the received problem information to the P-Cell where the RLF occurs through an inter-base station interface or through transference of a network element; the P-Cell performs a problem analysis on the received problem information and optimizes parameters to solve the radio network problem.
  • the radio network problem occurs on the UE is a handover failure (HOF)
  • the S-Cell or the P-Cell may directly perform a problem analysis on the received problem information and optimize parameters to solve the radio network problem.
  • HAF handover failure
  • the T-Cell forwards the received problem information to an S-Cell where the HOF occurs, and the S-Cell performs a problem analysis on the received problem information and optimizes parameters to solve the radio network problem.
  • the O-Cell forwards the received problem information to an S-Cell where an HOF occurs or a T-Cell where an HOF occurs, and the S-Cell or the T-Cell performs a problem analysis on the received problem information and optimizes parameters to solve the radio network problem.
  • the problem information about the radio network problem that the network side receives from the UE may further include information such as the frequency of an old/source cell, a physical cell identity (PCI), a cell global identity (CGI), IP, a public land mobile network (PLMN) ID, and signal quality (for example, Reference Signal Received Power (RSRP), Reference Signal Received Quality (RSRQ)).
  • PCI physical cell identity
  • CGI cell global identity
  • IP Internet Protocol
  • PLMN public land mobile network
  • signal quality for example, Reference Signal Received Power (RSRP), Reference Signal Received Quality (RSRQ)
  • the access control base station of an N-Cell/T-Cell may add a new cell adjacency relationship or trigger an establishment of an X2 interface according to the preceding information, therefore solving a radio network problem (for example, the RLF) due to weak coverage.
  • RLF radio network problem
  • This embodiment provides a method for detecting a radio network problem by the network side and further provides a method for solving the network problem according to the network problem information.
  • the network can detect the network problem which occurs on the UE in time, perform a problem analysis on the problem information, find the problem causes, and optimize parameters to solve the radio network problem.
  • Embodiment 2 of the present invention provides an apparatus at network side for detecting a radio network problem.
  • FIG. 4 is a schematic structure diagram of the apparatus according to the Embodiment 2 of the present invention. As shown in FIG. 4 , the apparatus includes a problem information receiving unit 41 .
  • the problem information receiving unit 41 is configured to: when a radio network problem occurs on the UE, in a procedure of establishing an RRC connection by the UE or after an RRC connection is established, receive problem information about the radio network problem sent by the UE.
  • receive problem information about the radio network problem sent by the UE For the specific receiving method, refer to the description of the Embodiment 1.
  • the apparatus may further include a problem processing unit 42 configured to perform a problem analysis according to the problem information received by the problem information receiving unit, and optimize parameters to solve the radio network problem.
  • a problem processing unit 42 configured to perform a problem analysis according to the problem information received by the problem information receiving unit, and optimize parameters to solve the radio network problem. The specific analysis and processing method has been described in the Embodiment 1.
  • the apparatus at network side for detecting a radio network problem can detect a radio network problem which occurs on the UE in time, and know problem information about the radio network problem, which provides a basis for the network side to solve the radio network problem. In this way, the network side can further perform a problem analysis and optimize parameters to solve the radio network problem.
  • Embodiment 3 of the present invention provides a system for detecting a radio network problem.
  • FIG. 5 is a schematic structure diagram of the system according to the Embodiment 3 of the present invention.
  • the system includes a network side 51 configured to: when a radio network problem occurs on the UE, in a procedure of establishing an RRC connection or after an RRC connection is established, receive problem information about the radio network problem sent by the UE.
  • the network 51 is further configured to perform a problem analysis according to the received problem information and optimize parameters to solve the radio network problem.
  • a problem analysis and processing method refer to the description of the method Embodiment 1.
  • the network can detect a radio network problem which occurs on the UE in time, and know the problem information about the radio network problem, which provides a basis for the network side to solve the radio network problem. In this way, the network side can perform a problem analysis and optimize parameters to solve the radio network problem.
  • each unit is divided only according to the function logics.
  • the division is not limited thereto so long as the unit can implement corresponding functions.
  • the specific name of each functional unit is only for the convenience of differentiation and is not intended to limit the protection scope of the present invention.
  • FIG. 6 is a schematic diagram of signaling interactions in a specific instance according to Embodiment 4 of the present invention.
  • the procedure includes the following content.
  • An RLF or an HOF occurs on the UE.
  • the cell that an RRC connection established with the UE receives problem information about the RLF or the HOF sent by the UE.
  • the problem information may be carried in an RRC establishment message (RRC Connection Request), an RRC re-establishment message (RRC Connection Re-establishment), or in a message extended after the UE establishes an RRC connection.
  • RRC Connection Request an RRC establishment message
  • RRC Connection Re-establishment an RRC re-establishment message
  • RRC Connection Re-establishment a message extended after the UE establishes an RRC connection.
  • the cell that an RRC connection established with the UE includes a P-Cell and an N-Cell; if an HOF occurs, the cell that an RRC connection established with the UE includes an S-Cell, a T-Cell, and an O-Cell.
  • the network side detects the radio network problem. Further, the procedure of performing a problem analysis and a parameter optimization by the server according to the problem information includes the following steps:
  • the server performs a problem analysis, for example, performing problem analysis according to the problem information measured within a period of time.
  • the network side can automatically identify and detect the radio network problem which occurs on the UE, so that the network can perform self-adjustment and optimization, therefore improving the network performance and satisfying use requirements of users.
  • Embodiment 5 is a solution instance after an RLF occurs on a UE.
  • a cell that receives the problem information may directly perform a problem analysis to achieve the purpose of parameter optimization.
  • FIG. 7 is a schematic diagram of signaling interactions in a specific instance according to the Embodiment 5 of the present invention. As shown in FIG. 7 , a procedure of RRC re-establishment or establishment when an RLF occurs on the UE includes the following content.
  • An RLF occurs on the UE.
  • the P-Cell receives problem information about the RLF reported by the UE, where the problem information about the RLF may be carried in an RRC establishment or re-establishment message, or be carried in a message extended after an RRC connection is established.
  • any combination of the following parameters may be carried in the RRC establishment or re-establishment message or in the extended message to describe the problem information about the RLF:
  • Identity of a P-Cell and/or an N-Cell when an RLF occurs on the UE is a related identity of a P-Cell and/or an O-Cell, for example, identity information such as frequency, Physical Cell Identity (PCI), Cell Global Identity (CGI), PLMN ID, signal quality (RSRP,RSRQ).
  • PCI Physical Cell Identity
  • CGI Cell Global Identity
  • PLMN ID signal quality
  • RSRP signal quality
  • C Identity information of a Tracking Area (TA) of the serving cell when an RLF occurs on the UE.
  • TA Tracking Area
  • D Unique identity information of the UE, for example, cell-radio network temporary identity (C-RNTI), temporary mobile subscriber identity (TMSI), and international mobile subscriber identity (IMSI).
  • C-RNTI cell-radio network temporary identity
  • TMSI temporary mobile subscriber identity
  • IMSI international mobile subscriber identity
  • (E) Time information from a time when the RLF occurs on the UE to a time when the RRC establishment or re-establishment succeeds.
  • Causes for the network problem may be inferred according to this parameter. For example, when the time value is small, it may be inferred that the problem is Handover Too Early or Handover Too Late due to improper parameter settings; when the time value is large, it may be inferred that the problem is caused by coverage holes.
  • step 1 to step 2 above the network side detects the radio network problem. Further, the process of analysis and parameter optimization performed by the P-Cell according to the problem information include step 3:
  • the P-Cell performs problem analysis according to the problem information fed back in step 2, for example, long-term measurement is performed directly and find out the root cause of the problem by performing an analysis, and then performing cell parameter optimization to solve the problem.
  • the network side can automatically identify and detect the radio network problem which occurs on the UE, so that the network can perform self-adjustment and optimization, therefore improving the network performance and satisfying use requirements of users.
  • Embodiment 6 is also a solution instance after an RLF occurs on a UE.
  • This embodiment is different from the Embodiment 5 in that: in this embodiment, after an RLF occurs on the UE, a procedure of RRC re-establishment or establishment is performed in an N-Cell.
  • FIG. 8 is a schematic diagram of signaling interactions in a specific instance according to the Embodiment 6. The procedure includes the following content.
  • An RLF occurs on the UE.
  • the N-Cell receives problem information about the RLF reported by the UE, where the problem information about the RLF may be carried in an RRC establishment or re-establishment message, or be carried in a message extended after the UE establishes an RRC connection.
  • the parameter information carried in the RRC establishment or re-establishment message, or the extended message is the same as the parameter information in the Embodiment 5 of the present invention.
  • the N-Cell forwards the problem information to a P-Cell where the RLF occurs.
  • the identity of the P-Cell may be found according to the cell identity information carried in the problem information about the RLF reported by the UE.
  • the network detects the radio network problem. Further, the process of analysis and parameter optimization performed by the P-Cell according to the problem information includes:
  • the P-Cell performs problem analysis according to the problem information fed back in step 3, for example, long-term measurement is performed and finding out the root cause of the problem by performing an analysis, and then performing parameter optimization to solve the problem.
  • the network side can automatically identify and detect the radio network problem which occurs on the UE, so that the network can perform self-adjustment and optimization, therefore improving the network performance and satisfying use requirements of users.
  • This Embodiment 7 is a solution instance after an HOF occurs on a UE.
  • a cell that receives the problem information may directly perform a problem analysis to achieve the purpose of parameter optimization.
  • FIG. 9 is a schematic diagram of signaling interactions in a specific instance according to the Embodiment 7 of the present invention. As shown in FIG. 9 , a procedure of RRC re-establishment or establishment is performed in an S-Cell when an HOF occurs on the UE includes the following content.
  • An HOF occurs on the UE.
  • the S-Cell receives problem information about the HOF reported by the UE, where the problem information about the HOF may be carried in an RRC establishment or re-establishment message, or be carried in a message extended after the UE establishes an RRC connection.
  • the following parameters may be carried in the RRC establishment or re-establishment message or in the extended message to describe the following problem information about the HOF:
  • Identity information of the S-Cell and a T-Cell when an HOF occurs on the UE for example, a frequency, a physical cell identity (Physical Cell Identity, PCI), a cell global identity (Cell Global Identity, CGI), an IP, a PLMN ID, and signal quality (RSRP,RSRQ).
  • PCI Physical Cell Identity
  • CGI Cell Global Identity
  • IP IP
  • PLMN ID IP
  • PLMN ID Packet Control Protocol
  • RSRP,RSRQ signal quality
  • C Identity information of a tracking area (Tracking Area, TA) of the S-Cell when an HOF occurs on the UE.
  • TA Tracking Area
  • the network detects the radio network problem. Further, the process of analysis and parameter optimization performed by the S-Cell according to the problem information includes:
  • the S-Cell performs problem analysis according to the problem information fed back in step 2, for example, long-term measurement is performed and finding out the root cause of the problem by performing an analysis, and then performing parameter optimization to solve the problem.
  • the network side can automatically identify and detect the radio network problem which occurs on the UE, so that the network can perform self-adjustment and optimization, therefore improving the network performance and satisfying use requirements of users.
  • Embodiment 8 is also a solution instance after an HOF occurs on a UE.
  • the Embodiment 8 is different from the Embodiment 7 in that: in the Embodiment 8, after an HOF occurs on the UE, a procedure of RRC re-establishment or establishment is performed in a T-Cell.
  • FIG. 8 is a schematic diagram of signaling interactions in a specific instance according to the Embodiment 8. The procedure includes the following content.
  • An HOF occurs on the UE.
  • the T-Cell receives problem information about the HOF reported by the UE, where the problem information about the HOF may be carried in an establishment or re-establishment message, or be carried in a message extended after the UE establishes an RRC connection.
  • the parameter information carried in the establishment or re-establishment message or the extended message is the same as the parameter information in the Embodiment 7 of the present invention.
  • the T-Cell forwards the problem information to an S-Cell where the HOF occurs.
  • the identity information of the S-Cell is obtained according to cell identity information carried in the problem information about the HOF reported by the UE.
  • the network detects the radio network problem. Further, the procedure of analysis and parameter optimization performed by the S-Cell according to the problem information includes:
  • the S-Cell performs problem analysis according to the problem information fed back in step 3, for example, long-term measurement is performed and finding out the root cause of the problem by performing an analysis, and then performing parameter optimization to solve the problem.
  • a message between the T-Cell and the S-Cell may be transferred through an existing UE CONTEXT RELEASE message or a new user-defined message.
  • the network side can automatically identify and detect the radio network problem which occurs on the UE, so that the network can perform self-adjustment and optimization, therefore improving the network performance and satisfying use requirements of users.
  • Embodiment 9 is also a solution instance after an HOF occurs on a UE. After the HOF occurs, a procedure of RRC re-establishment or establishment is performed in a T-Cell.
  • This embodiment 9 is different from the Embodiment 8 in that: in this embodiment 9, the T-Cell directly performs corresponding problem analysis and processing.
  • FIG. 11 is a schematic diagram of signaling interactions in a specific instance according to the Embodiment 9 of the present invention. The procedure includes the following content.
  • An HOF occurs on the UE.
  • the T-Cell receives problem information about the HOF reported by the UE, where the problem information about the HOF may be carried in an RRC establishment or re-establishment message, or be carried in a message extended after the UE establishes an RRC connection.
  • the parameter information carried in the RRC establishment or re-establishment message or the extended message is the same as the parameter information in the Embodiment 7 of the present invention.
  • the network side detects the radio network problem. Further, the procedure of analysis and parameter optimization performed by the T-Cell according to the problem information includes:
  • the T-Cell performs problem analysis according to the problem information fed back in step 2, for example, long-term measurement is performed and finding out the root cause of the problem by performing an analysis, and then performing parameter optimization to solve the problem.
  • the network can automatically identify and detect the radio network problem which occurs on the UE, so that the network can perform self-adjustment and optimization, therefore improving the network performance and satisfying use requirements of users.
  • Embodiment 10 is also a solution instance after an HOF occurs on a UE.
  • the Embodiment 10 is different from the Embodiment 9 in that: in the Embodiment 9, after the HOF occurs, a procedure of RRC re-establishment or establishment is performed in an O-Cell.
  • FIG. 12 is a schematic diagram of signaling interactions in a specific instance according to the Embodiment 10. The procedure includes the following content.
  • An HOF occurs on the UE.
  • the O-Cell receives problem information about the HOF reported by the UE, where the problem information about the HOF may be carried in an RRC establishment or re-establishment message, or be carried in a message extended after the UE establishes an RRC connection.
  • the parameter information carried in the RRC establishment or re-establishment message or the extended message is the same as the parameter information in the Embodiment 7 of the present invention.
  • the O-Cell forwards the problem information to an S-Cell or a T-Cell where the HOF occurs.
  • the identity information of the S-Cell or the T-Cell may be obtained according to the cell identity information carried in the problem information about the HOF reported by the UE.
  • the network side detects the radio network problem. Further, the process of analysis and parameter optimization performed by the S-Cell according to the problem information includes:
  • the S-Cell or the T-Cell performs problem analysis according to the problem information fed back in step 3, for example, long-term measurement is performed and finding out the root cause of the problem by performing an analysis, and then performing parameter optimization to solve the problem.
  • the network side can automatically identify and detect the radio network problem which occurs on the UE, so that the network can perform self-adjustment and optimization, therefore improving the network performance and satisfying use requirements of users.
  • the program may be stored in a computer readable storage medium, such as a read only memory, a magnetic disk, and a compact disk-read only memory (CD-ROM).
  • a computer readable storage medium such as a read only memory, a magnetic disk, and a compact disk-read only memory (CD-ROM).
  • the network side can automatically identify and detect the radio network problem which occurs on the UE, so that the network can perform self-adjustment and optimization, therefore improving the network performance and satisfying use requirements of users.

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  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
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Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20120021746A1 (en) * 2009-02-20 2012-01-26 Huawei Technologies Co., Ltd. Method, apparatus, and system for detecting a radio network problem
US20130183977A1 (en) * 2010-09-21 2013-07-18 Zte Corporation Method for processing handover failure, and user equipment
US20130260745A1 (en) * 2012-03-30 2013-10-03 Mediatek, Inc. Failure Event Report Extension for Inter-RAT Radio Link Failure
US20140295840A1 (en) * 2011-02-10 2014-10-02 Nokia Corporation Methods, apparatuses and computer program products for providing an improved hand over operation
US9100858B2 (en) 2010-10-04 2015-08-04 Kyocera Corporation Mobile communication method, radio terminal, and base station
US20150373599A1 (en) * 2013-01-25 2015-12-24 Samsung Electronics Co., Ltd. Method and apparatus for controlling mobility for cell having small cell service area in mobile communication system
US20160044518A1 (en) * 2013-04-05 2016-02-11 Telefonaktiebolaget L M Ericsson (Publ) Methods of operating radio access network base stations and related network nodes
US20180205450A1 (en) * 2014-12-19 2018-07-19 Furewei Technologies, Inc. System and Method for Radio Link Sharing
US10257723B2 (en) 2012-11-15 2019-04-09 Hfi Innovation Inc. Radio link failure report extensions in mobile communication networks
CN112087785A (zh) * 2019-06-13 2020-12-15 夏普株式会社 无线链路失败恢复方法以及用户设备
US11382160B2 (en) 2018-01-08 2022-07-05 Vivo Mobile Communication Co., Ltd. Method of processing radio link failure, user terminal and network device

Families Citing this family (42)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102413494B (zh) 2010-09-21 2016-06-01 北京三星通信技术研究有限公司 一种检测无线链路失败或切换失败原因的方法
CN102448079B (zh) * 2010-10-14 2015-05-20 中兴通讯股份有限公司 无线链路失败原因的确定方法和装置
CN101986586B (zh) * 2010-11-09 2015-08-12 中兴通讯股份有限公司 一种信道质量测量反馈方法及用户设备
CN102883361B (zh) * 2011-07-15 2016-04-06 华为技术有限公司 小区信息上报和小区移动性参数调整的方法及设备
CN102256318B (zh) * 2011-08-11 2014-01-08 新邮通信设备有限公司 一种切换参数的调整方法
EP2749064B1 (en) * 2011-09-30 2019-12-04 Nokia Solutions and Networks Oy Radio link failure report filtering
JP2013110728A (ja) * 2011-10-27 2013-06-06 Sumitomo Electric Ind Ltd 無線通信システム、無線基地局装置、通信制御方法および通信制御プログラム
CN103108351B (zh) * 2011-11-14 2015-07-08 华为技术有限公司 一种无线链路失败统计方法和相关装置及通信系统
JP5966337B2 (ja) * 2011-12-05 2016-08-10 住友電気工業株式会社 無線基地局装置、通信制御方法および通信制御プログラム
CN103918300B (zh) 2012-01-20 2018-05-25 富士通株式会社 分析链路失败原因的方法及其装置
KR20160124231A (ko) * 2012-01-20 2016-10-26 후지쯔 가부시끼가이샤 링크 실패의 원인을 분석하는 방법, 및 네트워크 최적화 방법 및 장치
CN103379517B (zh) 2012-04-13 2018-10-12 华为技术有限公司 无线链路失败报告处理方法、异常事件统计处理方法及设备和系统
CN103581961B (zh) * 2012-07-27 2017-09-01 电信科学技术研究院 无线链路失败的上报及处理方法和设备
KR101991761B1 (ko) * 2012-10-05 2019-06-21 삼성전자주식회사 셀 정전 검출 및 송신 전력 조절 방법 및 장치
GB2506917B (en) * 2012-10-12 2015-06-03 Samsung Electronics Co Ltd Re-establishment of a connection with a mobile terminal
WO2014067108A1 (zh) * 2012-10-31 2014-05-08 富士通株式会社 报告连接重建信息的方法、装置和系统
WO2014101054A1 (zh) 2012-12-27 2014-07-03 华为技术有限公司 确定扰码冲突的方法和确定扰码冲突的装置
US10631222B2 (en) 2013-01-18 2020-04-21 Telefonaktiebolaget Lm Ericsson (Publ) Adapting a mobile network
US9838921B2 (en) 2013-05-21 2017-12-05 Nokia Technologies Oy Call re-establishment in a multi-layer heterogeneous network
CN103428741A (zh) * 2013-08-07 2013-12-04 北京拓明科技有限公司 一种预防基站故障造成用户投诉的方法
CN104737578A (zh) * 2013-10-17 2015-06-24 华为技术有限公司 定位网络问题方法及设备
US9838901B2 (en) * 2013-10-23 2017-12-05 Lg Electronics Inc. Method for reporting a radio link problem and a device therefor
CN103607733B (zh) * 2013-11-22 2017-06-06 大唐移动通信设备有限公司 一种检测无线接入过程失败原因的方法、装置及系统
MX361838B (es) 2013-12-19 2018-12-18 Ericsson Telefon Ab L M Acceso de red a traves de una segunda red inalambrica.
US10172111B2 (en) * 2014-03-18 2019-01-01 Lg Electronics Inc. Method and apparatus for transmitting cause value related to small cell in wireless communication system
US9838945B2 (en) * 2014-04-14 2017-12-05 Htc Corporation Method of handling link failure and related communication device
US9838290B2 (en) * 2015-06-30 2017-12-05 Ciena Corporation Flexible ethernet operations, administration, and maintenance systems and methods
JP2016059073A (ja) * 2015-12-16 2016-04-21 富士通株式会社 リンク失敗原因を分析する方法及び装置
JP6194987B2 (ja) * 2016-07-06 2017-09-13 富士通株式会社 リンク失敗原因の分析方法、ネットワーク最適化方法及びその装置
CN107809780A (zh) * 2016-09-09 2018-03-16 中兴通讯股份有限公司 一种对用户设备接入失败的主动处理方法、装置及基站
CN107889133B (zh) 2016-09-30 2021-06-08 华为技术有限公司 无线链路检测和处理方法及装置
CN108605257B (zh) * 2016-12-14 2020-12-04 华为技术有限公司 网络故障处理方法及设备
CN108462981A (zh) * 2017-02-17 2018-08-28 中兴通讯股份有限公司 乒乓切换的检测方法及装置
CN107666414A (zh) * 2017-07-24 2018-02-06 平安科技（深圳）有限公司 一种网络性能优化方法、系统及计算机可读存储介质
GB2567845B (en) * 2017-10-26 2023-02-01 Focal Point Positioning Ltd A method and system for combining sensor data
CN115396927A (zh) * 2018-12-29 2022-11-25 华为技术有限公司 通信方法和装置
CN117412347A (zh) 2019-07-09 2024-01-16 荣耀终端有限公司 灾害期间的网络重选的方法、装置和系统
CN112399454B (zh) * 2019-08-14 2022-12-13 大唐移动通信设备有限公司 信息传输方法及装置
KR20210115460A (ko) * 2020-03-13 2021-09-27 삼성전자주식회사 무선 통신 시스템에 있어서 요소 관리 시스템의 기지국 관리 방법 및 장치
WO2021203365A1 (en) * 2020-04-09 2021-10-14 Lenovo (Beijing) Limited Method and apparatus for failure report
CN113840340B (zh) * 2020-06-24 2023-11-03 华为技术有限公司 无线链路信息获取、分析、指示方法、设备及介质
JP7574013B2 (ja) 2020-08-04 2024-10-28 日清紡マイクロデバイス株式会社 演算増幅器

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20080167041A1 (en) * 2007-01-04 2008-07-10 Interdigital Technology Corporation Method and apparatus for handover using a candidate set
US20100296415A1 (en) * 2008-01-28 2010-11-25 Telefonaktiebolaget L M Ericsson (Publ) Method and Apparatus for use in a Communications Network

Family Cites Families (26)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6845245B2 (en) * 2000-12-22 2005-01-18 Denso Corporation Access parameter adaptation and packet data resource management using detailed mobile status information
EP1696609B1 (en) 2003-12-17 2010-01-20 NEC Corporation Network, router device, route updating suppression method used for the same, and program thereof
US8620314B2 (en) 2005-03-10 2013-12-31 Qualcomm Incorporated Apparatus and methods for determining connection quality of a wireless device on a wireless communications network
CN100403837C (zh) * 2005-08-01 2008-07-16 华为技术有限公司 一种wcdma系统中小区更新故障的上报方法
CN100366120C (zh) * 2005-08-01 2008-01-30 华为技术有限公司 宽带码分多址系统中无线资源控制连接故障信息上报方法
KR20070098385A (ko) * 2006-03-29 2007-10-05 삼성전자주식회사 통신 시스템에서 핸드오버 시스템 및 방법
CA2651315C (en) * 2006-05-05 2013-07-02 Interdigital Technology Corporation Radio link failure detection procedures in long term evolution uplink and downlink and apparatus therefor
US7480504B2 (en) * 2006-05-31 2009-01-20 Motorola, Inc. Method and system to compensate for failed network access using disparate access technologies
US8396158B2 (en) * 2006-07-14 2013-03-12 Nokia Corporation Data processing method, data transmission method, data reception method, apparatus, codebook, computer program product, computer program distribution medium
WO2008016944A2 (en) * 2006-07-31 2008-02-07 Qualcomm Incorporated Determination of cell rf parameters and user equipment position based on measurements by user equipments
CN101132611B (zh) 2006-08-24 2012-04-04 华为技术有限公司 长期演进系统中控制连接重建的方法、终端
JP2008079311A (ja) 2006-09-21 2008-04-03 Asustek Computer Inc 無線通信システムにおいて無線リンク障害を検出する方法及び装置
JP5197963B2 (ja) * 2007-01-09 2013-05-15 株式会社エヌ・ティ・ティ・ドコモ 移動通信システムで使用される基地局装置、ユーザ装置及び方法
KR20080086416A (ko) 2007-03-21 2008-09-25 이노베이티브 소닉 리미티드 무선 통신 시스템에서 랜덤 액세스 프로시져를 핸들링하기위한 방법 및 장치
WO2008120159A2 (en) 2007-03-30 2008-10-09 Nokia Corporation System and method for self-optimization of interference coordination in communication systems
JP5159876B2 (ja) * 2007-04-23 2013-03-13 インターデイジタル テクノロジー コーポレーション 無線リンク障害およびハンドオーバ障害の処理
US8830818B2 (en) 2007-06-07 2014-09-09 Qualcomm Incorporated Forward handover under radio link failure
EP2180731A4 (en) 2007-08-16 2014-03-05 Nec Corp RADIO COMMUNICATION SYSTEM AND METHOD
US8369286B2 (en) * 2007-09-26 2013-02-05 Nec Corporation Radio communication system and method
WO2009060935A1 (ja) 2007-11-09 2009-05-14 Nec Corporation 無線通信システム及び方法並びにプログラム
US8391906B2 (en) * 2007-11-16 2013-03-05 Qualcomm Incorporated Basing neighbor list updates on a radio link failure
WO2009084998A1 (en) * 2008-01-03 2009-07-09 Telefonaktiebolaget Lm Ericsson (Publ) Fast radio link recovery after handover failure
US20090227251A1 (en) * 2008-03-05 2009-09-10 Huawei Technologies Co., Inc. System and method for automatically monitoring and managing wireless network performance
WO2009123391A1 (en) * 2008-03-31 2009-10-08 Lg Electronics Inc. Reporting measurements from a mobile station to a network and associated handover control method
US9107133B2 (en) * 2009-01-06 2015-08-11 Qualcomm Incorporated Adaptation of handover parameters
CN101815314A (zh) * 2009-02-20 2010-08-25 华为技术有限公司 发现无线网络问题的方法、装置及系统

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20080167041A1 (en) * 2007-01-04 2008-07-10 Interdigital Technology Corporation Method and apparatus for handover using a candidate set
US20100296415A1 (en) * 2008-01-28 2010-11-25 Telefonaktiebolaget L M Ericsson (Publ) Method and Apparatus for use in a Communications Network

Cited By (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10986546B2 (en) 2009-02-20 2021-04-20 Huawei Technologies Co., Ltd. Method, apparatus, and system for detecting a radio network problem
US20120021746A1 (en) * 2009-02-20 2012-01-26 Huawei Technologies Co., Ltd. Method, apparatus, and system for detecting a radio network problem
US9838920B2 (en) 2009-02-20 2017-12-05 Huawei Technologies Co., Ltd. Method, apparatus, and system for detecting a radio network problem
US9838919B2 (en) * 2009-02-20 2017-12-05 Huawei Technologies Co., Ltd. Method, apparatus, and system for detecting a radio network problem
US20130183977A1 (en) * 2010-09-21 2013-07-18 Zte Corporation Method for processing handover failure, and user equipment
US9326192B2 (en) * 2010-09-21 2016-04-26 Zte Corporation Method for processing handover failure, and user equipment
US9961709B2 (en) 2010-10-04 2018-05-01 Kyocera Corporation Mobile communication method, radio terminal, and base station for transmittal failure information to a network
US9100858B2 (en) 2010-10-04 2015-08-04 Kyocera Corporation Mobile communication method, radio terminal, and base station
US9420621B2 (en) 2010-10-04 2016-08-16 Kyocera Corporation Mobile communication method, radio terminal, and base station
US20140295840A1 (en) * 2011-02-10 2014-10-02 Nokia Corporation Methods, apparatuses and computer program products for providing an improved hand over operation
US20130260745A1 (en) * 2012-03-30 2013-10-03 Mediatek, Inc. Failure Event Report Extension for Inter-RAT Radio Link Failure
US9661510B2 (en) * 2012-03-30 2017-05-23 Mediatek Inc. Failure event report extension for inter-RAT radio link failure
US10257723B2 (en) 2012-11-15 2019-04-09 Hfi Innovation Inc. Radio link failure report extensions in mobile communication networks
US10142897B2 (en) * 2013-01-25 2018-11-27 Samsung Electronics Co., Ltd. Method and apparatus for controlling mobility for cell having small cell service area in mobile communication system
US20150373599A1 (en) * 2013-01-25 2015-12-24 Samsung Electronics Co., Ltd. Method and apparatus for controlling mobility for cell having small cell service area in mobile communication system
US11051219B2 (en) 2013-01-25 2021-06-29 Samsung Electronics Co., Ltd. Method and apparatus for controlling mobility for cell having small cell service area in mobile communication system
US20160044518A1 (en) * 2013-04-05 2016-02-11 Telefonaktiebolaget L M Ericsson (Publ) Methods of operating radio access network base stations and related network nodes
US20180205450A1 (en) * 2014-12-19 2018-07-19 Furewei Technologies, Inc. System and Method for Radio Link Sharing
US11139887B2 (en) * 2014-12-19 2021-10-05 Futurewei Technologies, Inc. System and method for radio link sharing
US11382160B2 (en) 2018-01-08 2022-07-05 Vivo Mobile Communication Co., Ltd. Method of processing radio link failure, user terminal and network device
CN112087785A (zh) * 2019-06-13 2020-12-15 夏普株式会社 无线链路失败恢复方法以及用户设备

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CN109922496B (zh) 2023-11-10
EP2398280B1 (en) 2015-07-01
CN102685788B (zh) 2016-03-30
JP2015029324A (ja) 2015-02-12
WO2010094236A1 (zh) 2010-08-26
AU2010214982A1 (en) 2011-09-08

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