WO2015032188A1 - 小区的切换方法、终端和网络设备 - Google Patents

小区的切换方法、终端和网络设备 Download PDF

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Publication number
WO2015032188A1
WO2015032188A1 PCT/CN2014/072647 CN2014072647W WO2015032188A1 WO 2015032188 A1 WO2015032188 A1 WO 2015032188A1 CN 2014072647 W CN2014072647 W CN 2014072647W WO 2015032188 A1 WO2015032188 A1 WO 2015032188A1
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WO
WIPO (PCT)
Prior art keywords
cell
terminal
network device
candidate
handover
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Application number
PCT/CN2014/072647
Other languages
English (en)
French (fr)
Inventor
徐小英
陈东
舒兵
杨映红
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 EP14842835.2A priority Critical patent/EP3035736B1/en
Priority to RU2016113567A priority patent/RU2625165C1/ru
Priority to BR112016005185-8A priority patent/BR112016005185B1/pt
Priority to CN201480000149.8A priority patent/CN104662960B/zh
Priority to MX2016003076A priority patent/MX357716B/es
Priority to EP18183937.4A priority patent/EP3442263B1/en
Publication of WO2015032188A1 publication Critical patent/WO2015032188A1/zh
Priority to US15/064,409 priority patent/US10075889B2/en
Priority to US16/101,171 priority patent/US10863406B2/en

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    • 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
    • H04W36/24—Reselection being triggered by specific parameters
    • H04W36/30—Reselection being triggered by specific parameters by measured or perceived connection quality data
    • H04W36/304—Reselection being triggered by specific parameters by measured or perceived connection quality data due to measured or perceived resources with higher communication quality
    • 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

Definitions

  • the present invention relates to the field of wireless communication technologies, and in particular, to a cell handover method, and to a terminal and a network device.
  • the terminal in order to improve the utilization of radio resources and the network capacity of the entire system, the terminal can switch between multiple cells.
  • the network controls the serving cell to send a handover command to the terminal, so that the terminal switches to another cell with the best communication quality in the active set.
  • An active set is a collection of cells that establish a connection with a terminal. Data transfer between the user and the network takes place through the cells in the active set.
  • the terminal since the communication quality of the serving cell is already poor, when the serving cell sends a handover command to the terminal, the terminal is likely to fail to receive, resulting in a low handover command transmission success rate.
  • the pre-configured resources may include The message type of the service cell change completion, the transaction identifier used by the serving cell completion message, whether the serving cell change resets the service indication information of the MAC layer entity, the identifier of the UE in the provisioned cell, and the serving cell of the high-speed downlink shared channel HS-DSCH
  • the configuration information of the serving cell of the dedicated channel E-DCH wherein the configuration information of the HS-DSCH serving cell refers to a resource such as a channel used by the UE after serving the serving cell, and the configuration information of the serving cell of the E-DCH is The value becomes resource information such as a channel
  • the cell handover is triggered according to the 1D event in the intra-frequency measurement control.
  • the network controls the pre-configured cell to send a handover command to the terminal, and the terminal completes the serving cell handover process according to the handover command.
  • This process is also referred to as "enhanced serving cell switching.”
  • US 2011/0014917 A1 discloses an improved configuration of an HS-DSCH serving cell change in which a stronger neighbor is detected when a neighboring cell stronger than the current serving cell is detected (equivalent to triggering a 1D event). The cell sends a handover command to the terminal.
  • the inventor of the present application found in the long-term research and development that the prior art only considers 1D events when performing enhanced serving cell handover, but does not consider other non-1D events in the same frequency measurement control, and the non-1D events include 1A. , 1B, 1C, 1E and 1F events.
  • the serving cell or other cell triggers the 1B, 1C, or 1F event
  • the prior art has two problems: 1.
  • the network cannot determine whether the terminal needs to perform the serving cell handover; 2. Even if the network can determine that the terminal needs to perform the serving cell handover, It is also impossible to determine the cell information of the target cell performing the serving cell handover, since there may be more than one cell in the active set that is stronger than the serving cell. Therefore, when a non-1D event is triggered, if the network determines that a serving cell handover is required, the serving cell will still be controlled to send a handover command, resulting in a handover command transmission success rate still being low.
  • the pilot signal strength of the cell that does not belong to the active set becomes high, and enters a reporting range of the relative active set quality.
  • the pilot signal strength of a cell outside the active set is higher than the pilot signal strength of the worst cell in the active set.
  • 1D event The pilot signal strength of the active set cell (not the serving cell) is higher than the pilot signal strength of the current serving cell.
  • 1E event The pilot signal strength of a cell exceeds an absolute threshold.
  • 1F event The pilot signal strength of a cell is below an absolute threshold.
  • the technical problem to be solved by the present invention is to provide a cell handover method, a terminal, and a network device, which can solve the problem that the transmission success rate of the handover command cannot be improved when triggering other intra-frequency measurement events other than the 1D event.
  • a first aspect of the present invention provides a method for switching a cell, where the method includes: receiving, by the terminal, a measurement control message sent by the network device, and measuring a channel measurement value of each cell, where the cell to be tested indicated in the measurement control message is obtained, where The cell to be tested includes at least one candidate cell in the active set, and the candidate cell is at least one, and the candidate cell is a terminal provisioning resource; if the terminal determines, according to the channel measurement value of each cell, that any candidate cell triggers a 1D event, determining that the 1D event is triggered The candidate cell is the target cell, reports the measurement report to the network device, and monitors the target cell, so that the network device determines, according to the measurement report, the candidate cell that triggers the 1D event as the target cell, and controls the target cell to send a handover command to the terminal; The channel measurement value of the cell determines that any cell triggers the same-frequency measurement event except the 1D event, selects the designated cell from the candidate cell whose channel measurement value is higher than
  • the designated cell is one, and the measurement report includes the cell information of the designated cell, so that the network device determines the designated cell as the target cell according to the cell information of the designated cell. .
  • the designated cell is one
  • the measurement report includes the channel measurement value of each cell, so that the network device is higher than the service from the channel according to the preset rule.
  • the target cell is determined in the candidate cell of the cell.
  • the specified cell is at least two
  • the measurement report includes channel measurement values of the at least two specified cells, so that the network device is from the at least two designated cells. Determine the target cell.
  • the measurement report further includes a handover request, so that the network device determines, according to the handover request, whether The control target cell sends a handover command to the terminal.
  • the preset rule is that the designated cell is the candidate cell with the highest channel measurement value or joins. The candidate cell with the longest set time is activated.
  • the preset rule requires the designated cell to be in the measurement report.
  • the preset rule is that the designated cell is the candidate cell with the highest channel measurement value that is first or last appearing in the measurement report. .
  • the terminal determines, according to the channel measurement value of each cell, that any cell triggers other intra-frequency measurement events other than the 1D event, the terminal is in the measurement report.
  • a trigger identifier of the 1D event is configured, so that the network device determines that the specified cell triggers the 1D event according to the trigger identifier.
  • the reporting, by the network device, the capability information is reported to the network device, Whether a terminal supports a serving cell handover or a target cell provisioning resource when a cell triggers other intra-frequency measurement events other than the 1D event.
  • the terminal receiving the handover command from the target cell, and using the resource of the target cell to perform the serving cell handover according to the handover command includes: determining, by the terminal, whether the terminal is The handover command is received within the predetermined time; if the handover command is received within the predetermined time, the resource of the target cell is used to perform the serving cell handover according to the handover command.
  • the terminal receives the handover command from the target cell, and uses the pre-configured resource of the target cell to the target cell according to the handover command.
  • the performing the serving cell handover further includes: if the handover command is not received within the predetermined time, the terminal stops listening to the designated cell.
  • the handover method before the receiving the handover command, the handover method further includes: if the terminal determines any cell within a predetermined time When the intra-frequency measurement event is triggered, the terminal reports the measurement report to the network device.
  • the handover method further includes: the terminal receiving the active set update message from the network device, and selecting the serving cell from the active set before the handover according to the active set update message Deleted inside.
  • a second aspect of the present invention provides a handover method of a cell, where the handover method includes: the network device generates a measurement control message, and sends a measurement control message to the terminal, so that the cell to be tested indicated in the terminal measurement measurement control message obtains each a channel measurement value of the cell, where the cell to be tested includes at least one candidate cell in the active set, the candidate cell is at least one, and the candidate cell is a terminal provisioning resource; the network device receives the measurement report reported by the terminal; The channel measurement value of each cell is determined to be generated after any candidate cell triggers a 1D event, and the network device determines, according to the measurement report, that the candidate cell that triggers the 1D event is the target cell, and controls the target cell to send a handover command to the terminal, so that the terminal according to the handover command The serving cell handover is performed by using the resource of the target cell to the target cell; if the measurement report is generated by the terminal according to the channel measurement value of each cell, and any other intra-frequency measurement event other than
  • the method further includes: before the network receiving the measurement report reported by the terminal, the network device receives the capability information reported by the terminal; and the network device according to the capability information Determining whether the terminal supports the serving cell handover or the target cell provisioning resource when the other channel triggers the same frequency measurement event except the 1D event; if the network device determines that the terminal supports the serving cell handover or supports the target cell provisioning resource, The step of determining, by the network device, the target cell from the channel measurement value higher than the candidate cell of the serving cell according to the measurement report.
  • the handover method further includes: if the network device receives the measurement report reported by the terminal before the control target cell sends the handover command to the terminal, the network device performs the measurement according to the measurement The report determines a new target cell from the candidate cells whose channel measurement value is higher than the serving cell, and controls the new target cell to send a handover command to the terminal.
  • the handover method further includes: the network device sending an activation set update message to the terminal, so that the terminal sends the serving cell before the handover according to the active set update message. Activate the deletion within the set.
  • a third aspect of the present invention provides a terminal, where the terminal includes a receiving module, a measuring module, a monitoring module, a reporting module, and a switching module, where the receiving module is configured to receive a measurement control message sent by the network device, and the measurement module is configured to measure and measure.
  • the cell to be tested indicated in the control message obtains the channel measurement value of each cell, and determines, according to the channel measurement value of each cell, whether any candidate cell triggers a 1D event or whether any cell triggers other co-frequency other than the 1D event.
  • the measurement event wherein the cell to be tested includes at least one candidate cell in the active set, the candidate cell is at least one, and the candidate cell is a terminal provisioning resource; the monitoring module is configured to monitor when the measurement module determines that any candidate cell triggers a 1D event. a candidate cell that triggers a 1D event, and is used to select a designated cell from a candidate cell whose channel measurement value is higher than a serving cell according to a preset rule when the measurement module determines that any cell triggers other intra-frequency measurement events other than the 1D event.
  • the reporting module is used to determine any candidate cell in the measurement module
  • the measurement report is reported to the network device, so that the network device determines, according to the measurement report, that the candidate cell that triggers the 1D event is the target cell and controls the target cell to send a handover command to the terminal, and is used to determine that any cell triggers in the measurement module.
  • the measurement report is reported to the network device, so that the network device determines, according to the measurement report, a target cell from the candidate cell whose channel measurement value is higher than the serving cell, and controls the target cell to send the handover to the terminal.
  • the receiving module is further configured to receive a handover command from the target cell, where the handover module is configured to use the resource of the target cell to perform a serving cell handover according to the handover command, where the designated cell is one or more, and the target cell is specified.
  • the designated cell is one or more, and the target cell is specified.
  • the designated cell is one, and the measurement report includes the cell information of the specified cell, so that the network device determines the designated cell as the target cell according to the cell information of the designated cell. .
  • the designated cell is one
  • the measurement report includes the channel measurement value of each cell, so that the network device is higher than the service from the channel according to the preset rule.
  • the target cell is determined in the candidate cell of the cell.
  • the specified cell is at least two
  • the measurement report includes channel measurement values of the at least two specified cells, so that the network device is from the at least two designated cells. Determine the target cell.
  • the measurement report further includes a handover request, so that the network device determines, according to the handover request, whether The control target cell sends a handover command to the terminal.
  • the preset rule requires the designated cell to be the candidate cell with the highest channel measurement value or join The candidate cell with the longest set time is activated.
  • the preset rule requires the specified cell to be in the measurement report.
  • the preset rule is that the designated cell is the candidate cell with the highest channel measurement value that appears first or last in the measurement report. .
  • the reporting module is further configured to construct a 1D event in the measurement report.
  • the triggering identifier is such that the network device determines that the designated cell triggers the 1D event according to the trigger identifier.
  • the reporting module is further configured to report the capability information to the network device at the same time as or before reporting the measurement report to the network device, so that the network device performs the capability information according to the capability information. It is determined whether the terminal supports the serving cell handover or whether the target cell provisioning resource is supported when any cell triggers other intra-frequency measurement events other than the 1D event.
  • the switching module is specifically configured to determine whether a handover command is received within a predetermined time, and determine that the handover command is received within a predetermined time, according to the handover command
  • the serving cell handover is performed by using the resources of the target cell to the target cell.
  • the monitoring module is further configured to stop when the switching module determines that the switching command is not received within a predetermined time Listen to the specified cell.
  • the switching module receives the handover command, the measurement module determines, in the predetermined time, that any cell triggers the same The frequency measurement event, the reporting module is also used to report the measurement report to the network device.
  • the receiving module is further configured to receive an activation set update message from the network; the terminal further includes an update module, configured to: before the switch according to the active set update message The serving cell is removed from the active set.
  • a fourth aspect of the present invention provides a network device, where the network device includes a sending module, a receiving module, and a processing module, where the sending module is configured to send a measurement control message to the terminal, so that the terminal measures the measured indication in the measurement control message.
  • the cell obtains a channel measurement value of each cell, where the cell to be tested includes at least one candidate cell in the active set, the candidate cell is at least one, and the candidate cell is a terminal provisioning resource; and the receiving module is configured to receive the measurement report reported by the terminal; If the measurement report is generated by the terminal according to the channel measurement value of each cell, it is determined that any candidate cell triggers the 1D event, and the processing module is configured to determine, according to the measurement report, the candidate cell that triggers the 1D event as the target cell, and control the target cell to send the handover to the terminal.
  • processing module for measurement report Determining channel measurement candidate cell is higher than a serving cell of the target cell, the target cell and controls the handover command sent to the terminal, so that the terminal based on resource handover command with the target cell to a target cell for serving cell switching.
  • the network device further includes a determining module, where the receiving module is configured to receive the capability information reported by the terminal at the same time as or before receiving the measurement report reported by the terminal
  • the determining module is configured to determine, according to the capability information, whether the terminal supports the serving cell handover or the target cell pre-provisioning resource when the other intra-frequency measurement event other than the 1D event is triggered in any cell;
  • the processing module is further configured to determine the terminal in the determining module When the serving cell handover or the target cell provisioning resource is supported, the target cell is determined from the candidate cells whose channel measurement value is higher than the serving cell according to the measurement report.
  • the processing module is further used to The receiving module receives the measurement report, and determines a new target cell from the candidate cells whose channel measurement value is higher than the serving cell according to the measurement report, and controls the new target cell to send a handover command to the terminal.
  • the network device further includes an update command module, where the update command module is configured to generate an active set update message, and the sending module is configured to send the active set update message to the terminal So that the terminal deletes the serving cell before the handover from the active set according to the active set update message.
  • a fifth aspect of the present invention provides a terminal, where the terminal includes a processor, a receiver, and a transmitter, where the receiver is configured to receive a measurement control message sent by the network device, and the processor is configured to measure the indication in the measurement control message.
  • the cell to be tested obtains the channel measurement value of each cell, and determines whether any candidate cell triggers a 1D event or whether any cell triggers other intra-frequency measurement events other than the 1D event according to the channel measurement value of each cell, where
  • the cell to be tested includes at least one candidate cell in the active set, the candidate cell is at least one, and the candidate cell is a terminal provisioning resource; the processor is further configured to: when any candidate cell triggers a 1D event, listen to the candidate cell that triggers the 1D event.
  • the transmitter when determining that any cell triggers other intra-frequency measurement events other than the 1D event, selecting a designated cell from the candidate cell whose channel measurement value is higher than the serving cell according to a preset rule, and listening to the designated cell; the transmitter, When the processor determines that any candidate cell triggers a 1D event, reports a measurement report to the network device to enable the network to The candidate cell that triggers the 1D event is determined to be the target cell according to the measurement report, and the target cell is controlled to send a handover command to the terminal, and is used for the network device when the processor determines that any cell triggers other intra-frequency measurement events other than the 1D event.
  • the network device determines, according to the measurement report, a target cell from the candidate cell whose channel measurement value is higher than the serving cell, and controls the target cell to send a handover command to the terminal;
  • the receiver is further configured to receive the handover command from the target cell;
  • the processor is further configured to use the resource of the target cell to perform serving cell handover according to the handover command, where the designated cell is one or more, and the target cell is one of the designated cell or the designated cell.
  • the designated cell is one, and the measurement report includes the cell information of the designated cell, so that the network device determines the designated cell as the target cell according to the cell information of the designated cell. .
  • the designated cell is one
  • the measurement report includes the channel measurement value of each cell, so that the network device is higher than the service from the channel according to the preset rule.
  • the target cell is determined in the candidate cell of the cell.
  • the specified cell is at least two
  • the measurement report includes channel measurement values of the at least two specified cells, so that the network device is from the at least two designated cells. Determine the target cell.
  • the measurement report further includes a handover request, so that the network device determines, according to the handover request Whether to control the target cell to send a handover command to the terminal.
  • the preset rule requires the designated cell to be the candidate cell with the highest channel measurement value or join The candidate cell with the longest set time is activated.
  • the preset rule requires the designated cell to be in the measurement report.
  • the preset rule is that the designated cell is the candidate cell with the highest channel measurement value that is first or last appearing in the measurement report. .
  • the transmitter is further configured to construct a 1D in the measurement report.
  • the triggering identifier of the event so that the network device determines that the specified cell triggers the 1D event according to the trigger identifier.
  • the transmitter is further configured to report the capability information to the network device at the same time as or before reporting the measurement report to the network device, so that the network device according to the capability The information determines whether the terminal supports the serving cell handover or whether the target cell provisioning resource is supported when any cell triggers other intra-frequency measurement events other than the 1D event.
  • the processor is specifically configured to determine whether a handover command is received within a predetermined time, and determine that the handover command is received within a predetermined time, according to the handover command
  • the serving cell handover is performed by using the resources of the target cell to the target cell.
  • the processor is further configured to stop the monitoring designation when the receiver does not receive the switching command within a predetermined time Community.
  • the processor determines, in the predetermined time, that any cell triggers the same The frequency measurement event, the transmitter is also used to report the measurement report to the network device.
  • the receiver is further configured to receive an active set update message from the network device, and the processor is further configured to: before the switching according to the active set update message The serving cell is removed from the active set.
  • a sixth aspect of the present invention provides a network device, where the network device includes a transmitter, a receiver, and a processor, where the transmitter is configured to send a measurement control message to the terminal, so that the terminal measures the indication to be indicated in the measurement control message.
  • the measured cell obtains a channel measurement value of each cell, where the cell to be tested includes a candidate cell in the active set, the candidate cell is at least one, and the candidate cell is a terminal provisioning resource; and the receiver is configured to receive the measurement report reported by the terminal.
  • the processor is configured to determine, according to the measurement report, the candidate cell that triggers the 1D event as the target cell, and control the target cell to send the handover to the terminal. a command, so that the terminal uses the resource of the target cell to perform the serving cell handover according to the handover command; if the measurement report is determined by the terminal according to the channel measurement value of each cell, any cell triggers other intra-frequency measurement events other than the 1D event.
  • the processor is used to measure from the channel according to the measurement report Determining a candidate serving cell a cell in a target cell, target cell and controls the handover command sent to the terminal, so that the terminal based on resource handover command with the target cell to a target cell for serving cell switching.
  • the receiver is further configured to receive the capability information reported by the terminal, and the processor is further configured to: according to the capability information, trigger the triggering of the 1D event in any cell. Whether the terminal supports the serving cell handover or the target cell provisioning resource when other intra-frequency measurement events are used; and is also used when the terminal supports the serving cell handover or supports the target cell provisioning resource, and the measured value from the channel is high according to the measurement report.
  • the target cell is determined in the candidate cell of the serving cell.
  • the processor is further used to Receiving a measurement report from the receiver, and determining a new target cell from the candidate cells whose channel measurement values are higher than the serving cell according to the measurement report, and controlling the new target cell to send a handover command to the terminal.
  • the processor is further configured to generate an activation set update message
  • the sender is further configured to send an activation set update message to the terminal, so that the terminal is configured according to the The active set update message deletes the serving cell before the handover from the active set.
  • the terminal when the cell handover method, the terminal, and the network device of the present invention determine that any cell triggers other intra-frequency measurement events other than the 1D event, the terminal will take the channel measurement value from the serving cell according to the preset rule. Determining the designated cell and listening to the designated cell, the network device determines the target cell from the candidate cell whose channel measurement value is higher than the serving cell, and the target cell is one of the designated cell or the designated cell, and the candidate cell is triggered in any cell.
  • the terminal Before the other frequency measurement events except the 1D event, the terminal is pre-configured with resources, so that the terminal can receive a handover command from the target cell to use the resource of the target cell to perform the serving cell handover according to the handover command, because the designated cell
  • the channel measurement value is higher than the channel measurement value of the serving cell, and the transmission success rate of the handover command can be significantly improved, thereby solving the problem that the transmission success rate of the handover command cannot be improved when triggering other intra-frequency measurement events other than the 1D event, and Since the target cell has already provisioned resources, the signaling overhead can be reduced, so that Service cell handover procedure can be performed quickly.
  • FIG. 1 is a schematic flow chart of a first embodiment of a method for handover of a cell according to the present invention
  • FIG. 2 is a schematic flowchart of a second embodiment of a method for handover of a cell according to the present invention
  • FIG. 3 is a schematic signaling diagram of an application scenario of a handover method of a cell shown in FIG. 2;
  • FIG. 4 is a schematic flowchart diagram of a third embodiment of a method for handover of a cell according to the present invention.
  • Figure 5 is a schematic structural view of a first embodiment of the terminal of the present invention.
  • FIG. 6 is a schematic structural view of a second embodiment of the terminal of the present invention.
  • FIG. 7 is a schematic structural diagram of a first embodiment of a network device according to the present invention.
  • Figure 8 is a schematic structural view of a third embodiment of the terminal of the present invention.
  • FIG. 9 is a schematic structural diagram of a second embodiment of a network device according to the present invention.
  • FIG. 1 is a schematic flowchart diagram of a first embodiment of a method for handover of a cell according to the present invention.
  • the terminal receives the measurement control message sent by the network device, and the measured cell in the measurement control message obtains the channel measurement value of each cell, where the cell to be tested includes at least the candidate cell in the active set, and the candidate cell is at least One, and the candidate cell is a terminal provisioning resource.
  • the channel measurement value may be RSCP of the pilot signal strength (Received Signal Code) Power, received signal code power value) or Ec/No (Received energy per chip divided by the power density in The band, the received energy per chip and the power density ratio of the broadband), may also be the RSCP value or the Ec/No value of the pilot channel strength and the CIO (CELL Individual) Offset, the cumulative value of the cell offset value, the pilot signal is the signal transmitted within the telecommunications network for the purpose of measurement or monitoring.
  • RSCP pilot signal strength
  • received signal code power value received signal code power value
  • Ec/No Receiveived energy per chip divided by the power density in The band, the received energy per chip and the power density ratio of the broadband
  • CIO Cell Individual
  • the active set includes a serving cell and a candidate cell, and the serving cell provides the terminal with HS-DSCH (High Speed Downlink Shared Channel, High Speed Downlink Shared Channel) or E-DCH (Enhanced Dedicated Channel, enhanced dedicated channel) serving cell, the candidate cell is a cell that does not provide HS-DSCH or E-DCH service for the terminal but establishes a link with the terminal, or provides HS-DSCH or E-DCH service for the terminal but serves as a service Cooperative cell of the cell.
  • the cells outside the active set may be cells in a set such as a monitoring set or a detection set.
  • the resources pre-configured by the candidate cell include at least channel resources and air interfaces (radio) Interface) Resources, etc.
  • the activation set contains at least one candidate cell.
  • the terminal determines that the candidate cell triggers the 1D event according to the channel measurement value of each cell, determines that the candidate cell that triggers the 1D event is the target cell, reports the measurement report to the network device, and listens to the target cell, so that the network device performs the measurement report according to the measurement report.
  • the candidate cell that triggers the 1D event is determined to be the target cell, and the target cell is controlled to send a handover command to the terminal.
  • the terminal determines, according to the channel measurement value of each cell, that any cell triggers other intra-frequency measurement events other than the 1D event, and selects the designated cell from the candidate cell whose channel measurement value is higher than the serving cell according to the preset rule, to the network.
  • the device reports the measurement report and listens to the designated cell, so that the network device determines a target cell from the candidate cell whose channel measurement value is higher than the serving cell according to the measurement report, and controls the target cell to send a handover command to the terminal.
  • other intra-frequency measurement events other than 1D events are non-1D events. Since the designated cell is selected from the candidate cells whose channel measurement value is higher than the serving cell, whether the serving cell or the candidate cell triggers a non-1D event indicates that the channel measurement value of the serving cell is not the highest.
  • the serving cell when the serving cell triggers a 1B event or a 1F event, it indicates that the channel measurement value of the serving cell has fallen below a certain threshold and is maintained for a period of time, such as the terminal is getting farther and farther from the serving cell.
  • the measurement control message gives a threshold T and a time t, which may be a channel measurement value of a candidate cell in the active set, or may be a preset channel measurement value, as long as the serving cell
  • the channel measurement value is less than T, and for the time t1, the trigger condition of the 1B event or the 1F event is satisfied, and t is generally 640 ms.
  • the event may indicate that the channel measurement value of the serving cell is lower than a certain threshold with respect to the candidate cell with the highest channel measurement value in the active centralized channel. If the candidate cell triggers a 1B or 1F event, it indicates that the channel measurement value of the serving cell is higher than this candidate cell, but will still be lower than some other candidate cells.
  • the serving cell triggers the 1C event
  • the serving cell is the cell with the lowest channel measurement value in the active set, and the channel measurement value of one cell outside the active set is higher than the channel measurement value of the serving cell, which is maintained for a period of time. This time is usually also taken as 320ms. If the candidate cell triggers the 1C event, it indicates that the candidate cell is the cell with the lowest channel measurement value in the active set, but the serving cell at this time is not the cell with the highest channel measurement value in the active set.
  • the candidate cell in the active set or the cell outside the active set triggers the 1E event
  • the channel measurement value of the candidate cell is higher than the serving cell
  • the cell that triggers the non-1D event is not the target cell of the serving cell change.
  • the target cell that triggers the 1B event is the cell to be deleted.
  • the target cell that triggers the 1C event is to be replaced.
  • the target cell may also not be a candidate cell that is higher than the signal measurement value of the serving cell.
  • This embodiment preferably triggers a 1B, 1C or 1F event for the serving cell.
  • S14 The terminal receives the handover command from the target cell, and uses the resource of the target cell to perform the serving cell handover according to the handover command, where the designated cell is one or more, and the target cell is one of the designated cell or the designated cell.
  • the target cell that is monitored by the terminal necessarily includes the target cell, so that the handover command can be received from the target cell, because the target cell is one of the designated cell or the designated cell.
  • the terminal After the terminal reports the measurement report, the terminal does not immediately receive the handover command, but listens to the target cell after reporting the measurement report, and waits for the target cell to send a handover command.
  • the handover command is sent through the physical layer, for example, the handover command is HS-SCCH (High Speed Shared Control Channel, Order.
  • the target cell does not need to reserve the resource for the terminal. Therefore, the terminal does not need to request the target cell to send the configuration resource information, and only needs to receive the handover command, so that the serving cell handover can be completed quickly.
  • the candidate cell in the active set is a terminal provisioning resource. If any cell triggers other intra-frequency measurement events other than the 1D event, the terminal slave channel measurement value is higher than the candidate of the serving cell. Determining a designated cell in the cell and listening to the designated cell, the network device determines a target cell from the candidate cell whose channel measurement value is higher than the serving cell, and controls the target cell to send a handover command, where the target cell is one of the designated cell or the designated cell, the designated cell The channel measurement value is higher than the channel measurement value of the serving cell, and the target cell has already provisioned resources for the terminal, thereby solving the problem that the transmission success rate of the handover command cannot be improved when triggering other intra-frequency measurement events other than the 1D event.
  • the signaling overhead can be reduced, so that the serving cell handover process can be performed quickly.
  • FIG. 2 is a schematic flowchart of a second embodiment of a method for handover of a cell according to the present invention.
  • the terminal receives the measurement control message sent by the network device, and the measured cell in the measurement control message obtains the channel measurement value of each cell, where the cell to be tested includes at least the candidate cell in the active set, and the candidate cell is at least One, and the candidate cell is a terminal provisioning resource.
  • S22 If the terminal determines that the candidate cell triggers the 1D event according to the channel measurement value of each cell, determines that the candidate cell that triggers the 1D event is the target cell, reports the measurement report to the network device, and monitors the target cell, so that the network device according to the measurement report The candidate cell that triggers the 1D event is determined to be the target cell, and the target cell is controlled to send a handover command to the terminal.
  • the terminal determines, according to the channel measurement value of each cell, that any cell triggers other intra-frequency measurement events other than the 1D event, selects the designated cell from the candidate cell whose channel measurement value is higher than the serving cell according to the preset rule, and sends the specified cell to the network.
  • the device reports the measurement report and listens to the designated cell, so that the network device determines a target cell from the candidate cell whose channel measurement value is higher than the serving cell according to the measurement report, and controls the target cell to send a handover command to the terminal.
  • the present embodiment preferably triggers a 1B, 1C or 1F event for the serving cell.
  • the network device determines that the target cell of the serving cell handover has multiple implementation manners, which will be described in detail below:
  • the designated cell is one.
  • the measurement report at this time includes cell information of the designated cell, so that the network device determines the designated cell as the target cell according to the cell information of the designated cell. That is, when the terminal determines the designated cell, the network device does not know which candidate cell the terminal determines as the designated cell, so the terminal needs to report the cell information of the specified cell to the network device in the measurement report.
  • the cell information may be a cell scrambling code or a cell identity of a designated cell.
  • the terminal determines another implementation manner of the designated cell according to the predetermined rule, that is, selecting a candidate cell that is higher than the signal measurement value of the serving cell as the designated cell.
  • the designated cell is one.
  • the measurement report includes channel measurement values of each cell, so that the network device determines the target cell from the candidate cells whose channel measurement values are higher than the serving cell according to a preset rule. Since the terminal obtains the channel measurement value of each candidate cell, it can be known which channel measurement values of the candidate cells are higher than the channel measurement value of the serving cell, so that the designated cell can be determined according to a preset rule.
  • the terminal determines another implementation manner of the designated cell according to the predetermined rule, that is, selecting a cell that is higher than the signal measurement value of the serving cell and the highest measured value in the candidate cell is the designated cell.
  • the network side determines the target cell according to the rule, and can ensure that the specified cell determined by the UE and the target cell determined by the network are consistent.
  • the measurement report also includes channel measurement values for each of the designated cells to cause the network device to determine the target cell from the at least two designated cells.
  • the target cell determined by the network device may be any one of the designated cells. Since the channel measurement value of the designated cell is higher than the channel measurement value of the serving cell, the channel measurement value of the target cell is necessarily higher than the channel measurement value of the serving cell. Since the target cell is one of the designated cells, the terminal must listen to all the designated cells, and the terminal will inevitably listen to the target cell.
  • the measurement report may also include the comparison result of the channel measurement values.
  • the measurement report only includes the comparison result of the channel measurement values of each cell, instead of Carrying the channel measurement value of each cell, and the comparison result is, for example, a descending order relationship of channel measurement values of all cells, then the network device can directly know from the comparison result which channel measurement values of the candidate cells are larger than the channel of the serving cell. The measured value is high and which candidate cell has the highest channel measurement value.
  • the preset rule may require the designated cell to be the candidate cell with the channel measurement value higher than the candidate cell of the serving cell, and the candidate cell with the channel measurement value higher than the serving cell to join the active set time.
  • the long candidate cell or channel measurement value is higher than the candidate cell that is the first to join the active set among the candidate cells of the serving cell.
  • the preset rule may require the designated cell to be determined by the cell order in the measurement report.
  • the candidate cell with the highest measured value of the Nth channel in the measurement result list is a designated cell. Where 1 ⁇ N ⁇ m, m is the number of active set cells.
  • the designated cell may be the candidate cell with the highest channel measurement value, and the measurement result of the candidate cell first appears or finally appears in the measurement result list.
  • the channel measurement value of the designated cell must be higher than the channel measurement value of the serving cell, and the designated cell determined by the terminal at least includes the target cell determined by the network. Since the measurement report contains channel measurement values for each cell, the network device can determine the target cell according to the same preset rules as the terminal.
  • the terminal when the terminal reports the measurement report to the network device, the terminal also reports the capability information to the network device, so that the network device determines, according to the capability information, that the terminal triggers other intra-frequency measurement events other than the 1D event. Whether to support the serving cell handover or whether to support the target cell provisioning resource, that is, "enhanced serving cell handover". If the terminal does not support it, the network device may not proceed to the next step after receiving the measurement report.
  • the network device may know that the terminal requests to perform the serving cell handover by using the content in the measurement report, and the content may be one of the following:
  • the serving cell triggers a non-1D event
  • the channel measurement value of the serving cell is the lowest in the active set
  • the serving cell handover request is used by the network device to determine whether to control the target cell to send a handover command to the terminal;
  • a special 1D event may be constructed, that is, a trigger for constructing a 1D event in the measurement report is constructed.
  • the identifier is used by the network device to determine that the specified cell triggers a 1D event.
  • a special 1D event means that the specified cell does not actually trigger a 1D event, which is a 1D event falsified by the terminal.
  • the triggering identifier may also be a special value agreed by the terminal and the network device, or may be a value of the measurement identifier of the 1D event delivered by the network device.
  • S24 The terminal determines whether the handover command is received within the predetermined time. If the handover command is received within the predetermined time, the process proceeds to S24. If the handover command is not received within the predetermined time, the process proceeds to S27.
  • the target cell is a designated cell that is monitored by the terminal. Therefore, when the target cell sends a handover command, it can be received by the terminal.
  • the terminal can carry the activation time offset value when reporting the measurement report, and the predetermined time is the current CFN when the measurement report is reported. Number, the connection frame number) plus the activation time offset value.
  • the network device In wireless communication, especially in the air interface synchronization configuration command, the network device generally needs to carry an activation time offset value in the signaling, and the activation time offset value indicates a frame number in which the configuration that causes the terminal to change in the synchronization configuration command is valid.
  • the activation time offset value indicates the length of time that the terminal listens to the designated cell.
  • the terminal can use the timer to determine whether the predetermined time is exceeded.
  • S25 The serving cell handover is performed by using the resource of the target cell to the target cell according to the handover command.
  • the terminal does not need to request the target cell to send the configuration resource information, and the terminal only needs to receive the handover command to quickly complete the serving cell handover and reduce the number of the information when the terminal performs the serving cell handover. Make the cost. If the terminal monitors multiple designated cells, the terminal can stop listening for all the specified cells after receiving the handover command from the specified cell.
  • the designated cell that sends the handover command is the target cell.
  • S26 The terminal sends a handover complete message to the network device in response to the handover command, so that the network device confirms that the terminal completes the serving cell handover according to the handover complete message.
  • the terminal informs the terminal of the cell information of the candidate cell of the resource.
  • the network device sends a pre-configured information list to the terminal.
  • the pre-configured information list may include at least one of the following information: a message type that is sent to the target cell after the serving cell handover is used to indicate the completion of the handover, and the serving cell is completed.
  • the handover complete message is obtained from the message type in the above list.
  • S27 The terminal receives the active set update message from the network device, and deletes the serving cell before the handover from the active set according to the active set update message.
  • the activation set update information is used to instruct the terminal to delete the original serving cell from the active set. If the original serving cell triggers a 1C event, the activation set update information is used to instruct the terminal to delete the original serving cell from the active set, and add a cell outside the active set that is higher than the channel measurement value of the original serving cell. Enter the active set.
  • the terminal may add the cell to the active set according to the active set update message. If the capacity of the active set has reached the upper limit, the terminal may delete the candidate cell with the lowest channel measurement value in the active set according to the active set update message, and add the cell outside the active set to the active set. It should be noted that, since the terminal has completed the serving cell handover, the original serving cell becomes the candidate cell, so the candidate cell with the lowest channel measurement value may be the original serving cell.
  • S28 The terminal stops listening to the designated cell.
  • the terminal performs the intra-frequency measurement control generally. If the terminal does not exceed the predetermined time before receiving the handover command, the terminal determines that any cell triggers the same-frequency measurement event, that is, any cell triggers 1A, 1B, If any one of the events of the 1C, 1D, 1E, and 1F events, the terminal reports the measurement report to the network device and recalculates the time of monitoring the designated cell, so that the network device re-determines the target cell according to the measurement report.
  • the event triggered by the terminal has a sequence. For example, after transmitting the measurement report of the 1B event, if the terminal does not receive the handover command and triggers the 1D event, the terminal may send a measurement report of the 1D event to the network device.
  • the terminal may not report the measurement report to the network device. Instead of recalculating the time to listen to the designated cell, it continues to wait to receive the handover command.
  • the designated cell corresponding to the second time before and after the terminal sends the measurement report changes, for example, the designated cell determined twice before and after the terminal is the candidate cell with the highest channel measurement value, but the candidate with the highest channel measurement value twice before and after If the cell is not the same candidate cell, the terminal will report the measurement report to the network device again, so that the network device re-determines the target cell according to the measurement report. The manner in which the target cell is determined will not be described again.
  • the terminal will simultaneously monitor the designated cell determined twice before and after the network device, and the network device necessarily selects one of the designated cells determined two times before and after as the target. Community.
  • FIG. 3 is a schematic diagram of signaling of an application scenario of a handover method of a cell shown in FIG. 2.
  • the activation set only indicates that two candidate cells are included, and the signaling process is as follows.
  • S301 The network device controls two candidate cells as terminal provisioning resources.
  • S302 The network device sends a list of provisioning information about the two candidate cells to the terminal.
  • the pre-configuration information list indicates that the two candidate cells have completed the provisioning resources for the terminal.
  • S303 A measurement control message sent by the network device to the terminal.
  • the cell to be tested is indicated in the measurement control message, and the cell to be tested includes at least a candidate cell in the active set, and may also include a cell outside the active set, where the candidate cell is a terminal provisioning resource.
  • S304 The terminal measures a channel measurement value of the cell to be tested, and determines that any cell triggers a 1C event.
  • the 1C event indicates that the channel measurement value of the serving cell is smaller than the channel measurement value of the two candidate cells, and is also smaller than the channel measurement value of a certain cell outside the active set.
  • S305 The terminal selects the candidate cell with the highest channel measurement value as the designated cell, sends a measurement report to the network device, and listens to the designated cell.
  • the measurement report indicates that the terminal requests to perform a serving cell handover.
  • the measurement report includes an enhanced request for serving cell handover, cell information of a designated cell, capability information supporting enhanced serving cell handover, capability information supporting a target cell provisioning resource, or activation time for calculating a time for monitoring a designated cell. Offset value.
  • the network device determines the target cell according to the measurement report, and controls the target cell to send a handover command to the terminal.
  • the network device determines, according to the measurement report, that the candidate cell with the highest channel measurement value or the designated cell in the measurement report is the target cell. That is to say, the target cell and the designated cell are the same candidate cell.
  • S307 The target cell sends a handover command to the terminal.
  • S308 The terminal determines that the time for listening to the designated cell does not exceed the predetermined time, and receives the handover command.
  • the predetermined time may be timed by the terminal through a timer, and the predetermined length of time may be implemented by the terminal carrying the activation time offset value in the measurement report.
  • S309 The terminal performs a serving cell handover according to the handover command to the target cell.
  • S310 The terminal sends a handover complete message to the network device according to the content in the provisioning information list to the network device.
  • the pre-configuration information list includes the resource information of the target cell, so that the terminal can quickly feed back the network device after completing the service small handover, indicating that the serving cell handover has been completed.
  • S311 The network device confirms that the terminal completes the serving cell handover, and notifies the serving cell terminal before the handover to complete the serving cell handover.
  • S312 The network device sends an activation set update message to the terminal.
  • S313 The terminal deletes the serving cell from the active set according to the active set update message, and adds the cell outside the active set to the active set.
  • the channel measurement value of the cell added to the active set is higher than the channel measurement value of the serving cell.
  • FIG. 4 is a schematic flowchart diagram of a third embodiment of a cell handover method according to the present invention.
  • the network device generates a measurement control message, and sends a measurement control message to the terminal, so that the measured cell indicated by the terminal measurement measurement control message obtains a channel measurement value of each cell, where the to-be-tested cell includes at least an active set.
  • the candidate cell has at least one candidate cell, and the candidate cell is a terminal provisioning resource.
  • the channel measurement value may be an RSCP value or an Ec/No value of the pilot signal strength, or may be an RSCP value of the pilot channel strength or an accumulated value of the Ec/No value and the CIO value, and the pilot signal refers to the telecommunication network.
  • the serving cell in the active set is a cell that provides the HS-DSCH or E-DCH service for the terminal, and the candidate cell is a cell that does not provide the HS-DSCH or E-DCH service for the terminal but establishes a link with the terminal, or provides the terminal with the HS. - DSCH or E-DCH service but as a cooperating cell of the serving cell.
  • the cells outside the active set may be cells in a set such as a monitoring set or a detection set.
  • S42 The network device receives the measurement report reported by the terminal.
  • the network device determines that the candidate cell triggering the 1D event is the target cell, and controls the target cell to send the handover to the terminal.
  • the command is configured to enable the terminal to use the resource of the target cell to perform the serving cell handover according to the handover command.
  • the network device uses the measured value from the channel to be higher than the candidate cell of the serving cell according to the measurement report. Determining a target cell, and controlling the target cell to send a handover command to the terminal, so that the terminal uses the resource of the target cell to perform handover of the serving cell to the target cell according to the handover command.
  • the terminal determines whether the cell triggers the 1A event, the 1B event, the 1C event, the 1E event, or the 1F event according to the channel measurement value of each cell. If the determination is yes, the terminal reports the measurement report to the network device. The network device needs to determine the target cell of the serving cell handover according to the content included in the measurement report. This embodiment preferably triggers a 1B, 1C or 1F event for the serving cell.
  • the network device needs to compare each channel measurement, or if the measurement report includes channel measurements that do not include each cell, only the ratio of channel measurements for each cell is included. For the result, such as the descending ordering relationship of the channel measurement values of each cell, the network device does not need to compare each channel measurement value.
  • the network device determines the target cell according to the same preset rule as the terminal.
  • the preset rule may require the target cell to be a candidate cell with the channel measurement value higher than the candidate cell of the serving cell, and the candidate cell with the channel measurement value higher than the candidate cell of the serving cell to join the active set time or channel measurement. The value is higher than the candidate cell that is the first to join the active set among the candidate cells of the serving cell.
  • the candidate cell is the designated cell determined by the terminal according to the preset rule, and the network device directly determines the candidate cell as the target cell.
  • the network device receives the measurement report reported by the terminal at the same time or before, and further includes: receiving the capability information reported by the terminal; and determining, according to the capability information, whether the terminal triggers other intra-frequency measurement events other than the 1D event in any cell.
  • Supporting enhanced serving cell handover or supporting target cell provisioning resources if it is determined that the terminal supports enhanced serving cell handover or supporting target cell provisioning resources, the network device performs a channel measurement value higher than the serving cell candidate according to the measurement report.
  • the step of determining the target cell in the cell That is to say, the network device needs to determine that the terminal can perform enhanced serving cell handover, and then the target cell is determined.
  • the capability information reported by the terminal to support the serving cell handover may also be included in the measurement report.
  • the method when the network device receives the measurement report reported by the terminal, the method further includes: receiving the capability information reported by the terminal; determining, according to the capability information, whether the terminal is a single receiver terminal or a dual receiver, and triggering in any cell. Whether the terminal supports enhanced serving cell handover or whether to support target cell provisioning resources when other intra-frequency measurement events are outside the 1D event; if it is determined that the terminal is a single receiver terminal and supports enhanced serving cell handover or supports target cell provisioning resources And performing the step of determining, by the network device, the target cell from the candidate cell whose channel measurement value is higher than the serving cell according to the measurement report.
  • S45 The network device receives a handover complete message of the response handover command sent by the terminal, and confirms that the terminal completes the serving cell handover according to the handover complete message.
  • S46 The network device sends an activation set update message to the terminal, so that the terminal deletes the serving cell before the handover from the active set according to the active set update message.
  • the active set update information is used to instruct the terminal to delete the original serving cell from the active set. If the original serving cell triggers a 1C event, the activation set update information is used to instruct the terminal to delete the original serving cell from the active set, and add a cell outside the active set that is higher than the channel measurement value of the original serving cell to the active set. .
  • the network device determines, according to the measurement report, a new target cell from the candidate cell whose channel measurement value is higher than the serving cell, and controls the new one.
  • the target cell sends a handover command to the terminal.
  • the terminal performs the intra-frequency measurement control periodically. Therefore, before the target cell sends the handover command, it may receive the measurement report reported by the terminal again, indicating that any cell triggers any intra-frequency measurement event. The terminal may trigger the switching of the serving cell after reporting the 1B and 1D events, and trigger the 1D event before the switching command is received after the 1B event is reported.
  • the network device determines, according to the measurement report, a new target cell from a candidate cell whose channel measurement value is higher than the serving cell. It is determined that the new target cell may be the same as the target cell determined according to the last measurement report.
  • the handover method of the cell may include only S41, S42, S43, and S44, and does not include S45, S46, and S47.
  • the network device determines the target cell according to the measurement report reported by the terminal, and controls the target cell to send a handover command to the terminal, and the measurement report is used to indicate that any cell triggers other than the 1D event.
  • the same frequency measurement event, and the channel measurement value of the target cell is higher than the channel measurement value of the serving cell, thereby solving the problem that the transmission success rate of the handover command is not improved when triggering other intra-frequency measurement events other than the 1D event, and Since the target cell has already provisioned the radio resource for the terminal, the signaling overhead can be reduced, so that the serving cell handover process is fast.
  • the terminal includes a receiving module 51, a measuring module 52, a monitoring module 53, a reporting module 54, and a switching module 55.
  • the receiving module 51, the measuring module 52, the monitoring module 53, the reporting module 54, and the switching module 55 can be connected to each other.
  • the receiving module 51 is configured to receive a measurement control message sent by the network device.
  • the measurement module 52 is configured to measure the channel measurement value of each cell that is detected by the cell to be tested indicated in the measurement control message, and determine, according to the channel measurement value of each cell, whether any candidate cell triggers a 1D event or whether any cell triggers the division. Other co-frequency measurement events other than the 1D event, wherein the cell to be tested includes at least one candidate cell in the active set, the candidate cell is at least one, and the candidate cell is a terminal provisioning resource.
  • the channel measurement value may be an RSCP value or an Ec/No value of the pilot signal strength, or may be an RSCP value of the pilot channel strength or an accumulated value of the Ec/No value and the CIO value, and the pilot signal is referred to in the telecommunication network.
  • the active set includes a serving cell and a candidate cell
  • the serving cell is a cell that provides an HS-DSCH or E-DCH service for the terminal
  • the candidate cell is a cell that does not provide an HS-DSCH or E-DCH service for the terminal but establishes a link with the terminal.
  • it is a cooperative cell that provides HS-DSCH or E-DCH services for the terminal but serves as a serving cell.
  • the cells outside the active set may be cells in a set such as a monitoring set or a detection set.
  • the resources pre-configured by the candidate cell include at least channel resources, air interface resources, and the like.
  • the monitoring module 53 is configured to determine, when the measurement module 52 determines that any candidate cell triggers a 1D event, the candidate cell that triggers the 1D event is the target cell, listens to the target cell, and is used to determine, in the measurement module, that any cell triggers the 1D event.
  • the designated cell is selected from the candidate cells whose channel measurement values are higher than the serving cell according to a preset rule, and the designated cell is monitored. Among them, other intra-frequency measurement events other than 1D events are non-1D events. Since the designated cell is selected from the candidate cells whose channel measurement value is higher than the serving cell, whether the serving cell or the candidate cell triggers a non-1D event indicates that the channel measurement value of the serving cell is not the highest.
  • the serving cell when the serving cell triggers a 1B event or a 1F event, it indicates that the channel measurement value of the serving cell has fallen below a certain threshold and is maintained for a period of time, such as the terminal is getting farther and farther from the serving cell.
  • the activation set is set with a threshold T and a time t, which may be a channel measurement value of a candidate cell in the active set, or may be a preset channel measurement value, as long as the channel of the serving cell If the measured value is less than T and continues for time t1, the trigger condition of the 1B event or the 1F event is satisfied, and t is generally taken as 640 ms.
  • the candidate cell triggers a 1B or 1F event, it indicates that the channel measurement value of the serving cell is higher than this candidate cell, but will still be lower than some other candidate cells.
  • the serving cell triggers the 1C event, the serving cell is the cell with the lowest channel measurement value in the active set, and the channel measurement value of one cell outside the active set is higher than the channel measurement value of the serving cell, which is maintained for a period of time. This time is usually also taken as 640ms.
  • the candidate cell triggers the 1C event, it indicates that the candidate cell is the cell with the lowest channel measurement value in the active set, but the serving cell at this time is not the cell with the highest channel measurement value in the active set.
  • the candidate cell in the active set or the cell outside the active set triggers the 1E event, there may also be a case where the channel measurement value of the candidate cell is higher than the serving cell.
  • the reporting module 54 is configured to report the measurement report to the network device when the measurement module 52 determines that any candidate cell triggers the 1D event, so that the network device determines, according to the measurement report, the candidate cell that triggers the 1D event as the target cell, and controls the target cell to the terminal.
  • Sending a handover command and when the measurement module determines that any cell triggers other intra-frequency measurement events other than the 1D event, reports the measurement report to the network device, so that the network device measures the channel from the channel according to the measurement report.
  • a target cell is determined in the candidate cell, and the target cell is controlled to send a handover command to the terminal.
  • the target cell is the candidate cell with the highest communication quality.
  • the measurement report may include channel measurement values for each cell, then the network device needs to compare each channel measurement value, or the measurement report includes channel measurement values not including each cell, and only includes comparison of channel measurement values of each cell. As a result, such as a descending ordering relationship of channel measurements for each cell, the network device does not need to compare each channel measurement.
  • the designated cell determined by the intercepting module 53 may be one or multiple, but the target cell is one. If the designated cell is one, the target cell and the designated cell are the same candidate cell. If the designated cell is multiple, the target cell is one of the designated cells.
  • the receiving module 51 is further configured to receive a handover command from the target cell.
  • the switching module 55 is configured to perform serving cell handover by using a resource of the target cell to the target cell according to the handover command, where the designated cell is one or more, and the target cell is one of the designated cell or the designated cell.
  • the cell monitored by the listening module 53 necessarily includes the target cell, so that the handover module 55 can receive the handover command from the target cell.
  • the switching module 55 cannot immediately receive the handover command, but the monitoring module 53 needs to listen to the target cell to wait for the target cell to send a handover command.
  • the handover command is sent through the physical layer, for example, the handover command is HS-SCCH. Order.
  • the candidate cell in the active set is a terminal provisioning resource. If any cell triggers other intra-frequency measurement events other than the 1D event, the terminal determines that the channel measurement value is higher than the candidate cell of the serving cell. Specifying a cell and listening to the designated cell, the network device determines the target cell from the candidate cell whose channel measurement value is higher than the serving cell, and controls the target cell to send a handover command. Since the target cell is one of the designated cell or the designated cell, the channel measurement of the designated cell is performed.
  • the value is higher than the channel measurement value of the serving cell, and the target cell has already provisioned resources for the terminal, thereby solving the problem that the transmission success rate of the handover command cannot be improved when triggering other intra-frequency measurement events other than the 1D event, and the letter can be reduced.
  • the overhead is made so that the serving cell handover process can be performed quickly.
  • the terminal includes a receiving module 61, a measuring module 62, a listening module 63, a reporting module 64, a switching module 65, and an updating module 66.
  • the receiving module 61, the measuring module 62, the monitoring module 63, the reporting module 64, the switching module 65, and the updating module 66 can be connected to each other.
  • the receiving module 61 is configured to receive a measurement control message sent by the network device.
  • the measurement module 62 is configured to measure the channel measurement value of each cell that is detected by the cell to be tested indicated in the measurement control message, and determine, according to the channel measurement value of each cell, whether any candidate cell triggers a 1D event or whether any cell triggers the division. Other co-frequency measurement events other than the 1D event, wherein the cell to be tested includes at least one candidate cell in the active set, the candidate cell is at least one, and the candidate cell is a terminal provisioning resource.
  • the monitoring module 63 is configured to determine, when the measurement module 62 determines that any candidate cell triggers a 1D event, the candidate cell that triggers the 1D event is the target cell, listens to the target cell, and is used to determine, in the measurement module, that any cell triggers the 1D event.
  • the designated cell is selected from the candidate cells whose channel measurement values are higher than the serving cell according to a preset rule, and the designated cell is monitored.
  • the reporting module 64 is configured to report the measurement report to the network device when the measurement module 62 determines that any candidate cell triggers the 1D event, so that the network device determines, according to the measurement report, that the candidate cell that triggers the 1D event is the target cell and controls the target cell to send the target cell to the terminal.
  • the switching command is used to report the measurement report to the network device when the measurement module 62 determines that any cell triggers other intra-frequency measurement events other than the 1D event, so that the network device measures the channel from the channel according to the measurement report.
  • a target cell is determined in the candidate cell and the target cell is controlled to send a handover command to the terminal.
  • the reporting module 64 is further configured to report the capability information to the network device at the same time as or before reporting the measurement report to the network device, so that the network device determines, according to the capability information, whether the terminal triggers other intra-frequency measurement events other than the 1D event in any cell. Supports serving cell handover or whether to support target cell provisioning resources.
  • the handover module 65 is configured to receive a handover command from the target cell, and use the resource of the target cell to perform a serving cell handover according to the handover command, where the designated cell is one or more, and the target cell is one of the designated cell or the designated cell. .
  • the handover module 65 is further configured to: after completing the serving cell handover, send a handover complete message of the response handover command to the network device, so that the network device confirms that the terminal completes the serving cell handover according to the handover complete message.
  • the receiving module 61 is further configured to receive an activation set update message from the network device.
  • the update module 66 is configured to delete the serving cell before the handover from the active set according to the active set update message. If the original serving cell, that is, the serving cell before the serving cell handover, triggers the 1B event, the activation set update information is used to instruct the update module 66 to delete the original serving cell from the active set. If the original serving cell triggers a 1C event, the activation set update information is used to instruct the update module 66 to delete the original serving cell from the active set, and add a cell outside the active set that is higher than the channel measurement value of the original serving cell. Activate the set.
  • the update module 66 may add the cell to the active set according to the active set update message. If the capacity of the active set has reached an upper limit, the update module 66 may delete the candidate cell with the lowest channel measurement value in the active set according to the active set update message and add the cell outside the active set to the active set.
  • the network device determines that the target cell has multiple implementation manners, which will be described in detail below.
  • the designated cell is one.
  • the measurement report at this time includes cell information of the designated cell, so that the network device determines the designated cell as the target cell according to the cell information of the designated cell. That is to say, when the monitoring module 63 determines the designated cell, the network device does not know which candidate cell the listening module 63 determines as the designated cell, so the reporting module 64 needs to report the cell information of the designated cell to the network device in the measurement report.
  • the cell information may be a cell scrambling code or a cell identity of a designated cell.
  • the designated cell is one.
  • the measurement report includes channel measurement values of each cell, so that the network device determines the target cell from the candidate cells whose channel measurement values are higher than the serving cell according to a preset rule. Since the measurement module 62 obtains the channel measurement value of each candidate cell, it can be known which channel measurement values of the candidate cells are higher than the channel measurement values of the serving cell, so that the listening module 63 can determine the designated cell according to a preset rule.
  • the measurement report also includes channel measurement values for each of the designated cells to cause the network device to determine the target cell from the at least two designated cells.
  • the network device determines that the target cell may be any one of the designated cells. Since the channel measurement value of the designated cell is higher than the channel measurement value of the serving cell, the channel measurement value of the target cell is necessarily higher than the channel measurement value of the serving cell. Since the target cell is one of the designated cells, the listening module 63 must listen to all the designated cells, and the target cell will be inevitably monitored.
  • the measurement report may also include the comparison result of the channel measurement values.
  • the measurement report only includes the comparison result of the channel measurement values of each cell, and The channel measurement value of each cell is not carried, and the comparison result is, for example, a descending order relationship of channel measurement values of all cells, so the network device can directly know from the comparison result which channel measurement values of the candidate cells are smaller than the serving cell. The channel measurement is high and which candidate cell has the highest channel measurement.
  • the preset rule may require the designated cell to be the candidate cell with the channel measurement value higher than the candidate cell of the serving cell, and the candidate cell with the channel measurement value higher than the serving cell to join the active set time.
  • the long candidate cell or channel measurement value is higher than the candidate cell that is the first to join the active set among the candidate cells of the serving cell.
  • the preset rule may require the designated cell to be determined by the cell order in the measurement report.
  • the candidate cell with the highest measured value of the Nth channel in the measurement result list is a designated cell. Where 1 ⁇ N ⁇ m, m is the number of active set cells.
  • the designated cell may be the candidate cell with the highest channel measurement value, and the measurement result of the candidate cell first appears or finally appears in the measurement result list. Regardless of how the preset rules change, the channel measurement value of the designated cell must be higher than the channel measurement value of the serving cell. Since the measurement report contains channel measurements for each cell, the network device can determine the target cell according to the same preset rules as the listening module 63.
  • the measurement report further includes a handover request, where the handover request is used to cause the network device to determine whether to control the target cell to send a handover command to the terminal.
  • the measurement module 62 determines that any cell triggers other intra-frequency measurement events other than the 1D event
  • the reporting module 64 is further configured to construct a trigger identifier of the 1D event in the measurement report, so that the network device according to the trigger identifier The designated cell is determined to trigger a 1D event.
  • the switching module 65 is specifically configured to determine whether a handover command is received within a predetermined time, and determine that a handover command is received within a predetermined time, and use the resource of the target cell to perform handover of the serving cell according to the handover command. .
  • the monitoring module 63 is further configured to stop listening to the designated cell when the switching module 65 determines that the handover command is not received within a predetermined time.
  • the reporting module 64 can carry the activation time offset value when reporting the measurement report, and then the predetermined time is the current CFN plus activation time offset value when reporting the measurement report.
  • the network device In wireless communication, especially in the air interface synchronization configuration command, the network device generally needs to carry an activation time offset value in the signaling, and the activation time offset value indicates a frame number in which the configuration that causes the terminal to change in the synchronization configuration command is valid.
  • the activation time offset value indicates the length of time that the listening module 63 listens to the designated cell. If the measurement report does not carry an activation time offset value, the listening module 63 can determine whether the predetermined time is exceeded by timer timing.
  • the reporting module 64 is further configured to report the measurement report to the network device. Further, if the target cell determined by the network device according to the measurement report is the candidate cell with the highest channel measurement value in the active set, and the reporting unit 64 changes the candidate cell with the highest channel measurement value when reporting the measurement report to the network device, the network device changes. The target cell will be re-determined.
  • FIG. 7 is a schematic structural diagram of a first embodiment of a network device according to the present invention.
  • the network device includes a sending module 71, a receiving module 72, a processing module 73, an update command module 74, and a determining module 75.
  • the sending module 71, the receiving module 72, the processing module 73, the update command module 74, and the determining module 75 can mutually connection.
  • the network device is an RNC (Radio). Network Controller, Wireless Network Controller).
  • the sending module 71 is configured to send a measurement control message to the terminal, so that the measured cell indicated by the terminal measurement measurement control message obtains a channel measurement value of each cell, where the cell to be tested includes at least a candidate cell in the active set, and the candidate The cell is at least one, and the candidate cell is a terminal provisioning resource.
  • the receiving module 72 is configured to receive the measurement report reported by the terminal and the capability information reported by the terminal, where the measurement report is determined by the terminal according to the channel measurement value of each cell, and any candidate cell triggers a 1D event to generate or determine any cell trigger except 1D. Generated after other intra-frequency measurement events outside the event.
  • the channel measurement value may be an RSCP value or an Ec/No value of the pilot signal strength, or may be an RSCP value of the pilot channel strength or an accumulated value of the Ec/No value and the CIO value, and the pilot signal is referred to in the telecommunication network.
  • the active set includes a serving cell and a candidate cell
  • the serving cell is a cell that provides an HS-DSCH or E-DCH service for the terminal
  • the candidate cell is a cell that does not provide an HS-DSCH or E-DCH service for the terminal but establishes a link with the terminal.
  • it is a cooperative cell that provides HS-DSCH or E-DCH services for the terminal but serves as a serving cell.
  • the cells outside the active set may be cells in a set such as a monitoring set or a detection set.
  • the receiving module 72 may receive the capability information reported by the terminal before receiving the measurement report reported by the terminal.
  • the determining module 75 is configured to determine, according to the capability information, whether the terminal supports the serving cell handover or whether the target cell provisioning resource, that is, the enhanced serving cell handover, is supported when any of the cells triggers other intra-frequency measurement events other than the 1D event.
  • the processing module 73 is configured to: when the terminal determines, according to the channel measurement value of each cell, that the candidate cell triggers the 1D event, determines that the candidate cell that triggers the 1D event is the target cell according to the measurement report, and controls the target cell to send the target cell to the terminal. And switching the command, so that the terminal uses the resource of the target cell to perform the serving cell handover according to the handover command, and is used for the measurement report, and the terminal determines, according to the channel measurement value of each cell, that any cell triggers the same frequency except the 1D event.
  • the determining module 75 determines that the terminal supports the serving cell handover or supports the target cell provisioning resource, determining a target cell from the candidate cell whose channel measurement value is higher than the serving cell according to the measurement report, and controlling the target cell to the terminal And transmitting a handover command, so that the terminal uses the resource of the target cell to perform handover of the serving cell to the target cell according to the handover command.
  • the processing module 73 needs to determine the target cell according to the content included in the measurement report.
  • the processing module 73 needs to compare the result of the comparison of each channel measurement value, and then determines the target cell according to the preset rule; if the measurement report includes only the cell information of one candidate cell, The processing module 73 directly determines the candidate cell as the target cell.
  • the target cell is a candidate cell with the highest channel measurement value.
  • the receiving module 72 is further configured to receive a handover complete message of the response handover command sent by the terminal.
  • the processing module 73 is further configured to confirm that the terminal completes the serving cell handover according to the handover complete message.
  • the update command module 74 is configured to generate an activation set update message after the processing module 73 confirms that the terminal completes the serving cell handover.
  • the sending module is configured to send an activation set update message to the terminal, so that the terminal deletes the serving cell before the handover from the active set according to the active set update message.
  • the processing module 73 is further configured to receive the measurement report from the receiving module 72 again, and according to the measurement.
  • the report determines a new target cell from the candidate cells whose channel measurement value is higher than the serving cell, and controls the new target cell to send a handover command to the terminal.
  • the network device includes only the transmitting module 71, the receiving module 72, and the processing module 73.
  • the sending module 71 is configured to send a measurement control message to the terminal, so that the measured cell indicated by the terminal measurement measurement control message obtains a channel measurement value of each cell, where the to-be-tested cell includes a candidate cell in the active set, and the candidate cell At least one, and the candidate cell is a terminal provisioning resource.
  • the receiving module 72 is configured to receive the measurement report reported by the terminal.
  • the processing module 73 is configured to: when the terminal determines, according to the channel measurement value of each cell, that the candidate cell triggers the 1D event, determines that the candidate cell that triggers the 1D event is the target cell according to the measurement report, and controls the target cell to send the target cell to the terminal. And switching the command, so that the terminal uses the resource of the target cell to perform the serving cell handover according to the handover command; and is used for the measurement report, and the terminal determines, according to the channel measurement value of each cell, that any cell triggers the same frequency except the 1D event.
  • a target cell is determined from the candidate cell whose channel measurement value is higher than the serving cell according to the measurement report, and the target cell is controlled to send a handover command to the terminal, so that the terminal uses the resource of the target cell to the target cell according to the handover command. Perform service cell handover.
  • FIG 8 there is shown a schematic structural view of a third embodiment of the terminal of the present invention.
  • the terminal includes a processor 81, a receiver 82, an emitter 83, a random access memory (RAM) 84, a read only memory (ROM) 85, and a bus 86. And a Network Interface Unit 87.
  • processor 81 passes through bus 86
  • the receiver 82, the transmitter 83, the random access memory 84, the read only memory 85, and the network interface unit 87 are coupled, respectively.
  • BIOS Basic input/output system
  • BIOS Basic input/output system
  • the loader boots the system to start, and the terminal is put into normal operation. After the terminal enters the normal running state, the application is run in the random access memory 84 (Application) Programs and operating system (OS), making:
  • the receiver 82 is configured to receive a measurement control message sent by the network device.
  • the processor 81 is configured to measure the channel measurement value of each cell that is detected by the cell to be tested indicated in the measurement control message, and determine, according to the channel measurement value of each cell, whether any candidate cell triggers a 1D event or whether any cell triggers the division. Other co-frequency measurement events other than the 1D event, wherein the cell to be tested includes at least one candidate cell in the active set, the candidate cell is at least one, and the candidate cell is a terminal provisioning resource.
  • the processor 81 is further configured to: when any candidate cell triggers a 1D event, determine that the candidate cell that triggers the 1D event is the target cell, the target cell is monitored, and the same frequency measurement event is used to determine that any cell triggers the 1D event. And selecting a designated cell from the candidate cells whose channel measurement values are higher than the serving cell according to a preset rule, and listening to the designated cell.
  • the preset rule requires that the designated cell be the candidate cell with the highest channel measurement value or the candidate cell with the longest active set time. If the channel measurement value of the cell in the active set is the highest and the same cell is at least two, the preset rule may require the designated cell to be determined by the cell order in the measurement report.
  • the candidate cell with the highest measured value of the Nth channel in the measurement result list is a designated cell.
  • m is the number of active set cells.
  • the designated cell may be the candidate cell with the highest channel measurement value, and the measurement result of the candidate cell first appears or finally appears in the measurement result list.
  • the transmitter 83 is configured to report the measurement report to the network device when the processor 81 determines that any candidate cell triggers the 1D event, so that the network device determines, according to the measurement report, that the candidate cell that triggers the 1D event is the target cell and controls the target cell to send the target cell to the terminal.
  • a switching command and when the processor 81 determines that any cell triggers other intra-frequency measurement events other than the 1D event, reports the measurement report to the network device, so that the network device measures the channel value from the serving cell according to the measurement report.
  • a target cell is determined in the candidate cell and the target cell is controlled to send a handover command to the terminal.
  • Receiver 82 is operative to receive a handover command from a target cell.
  • the processor 81 is further configured to use the resource of the target cell to perform serving cell handover according to the handover command. Specifically, the processor 81 is configured to determine whether a handover command is received within a predetermined time, and determine that a handover command is received within a predetermined time, and use the resource of the target cell to perform handover of the serving cell according to the handover command. The processor 81 is further configured to stop listening to the designated cell when the receiver 82 does not receive the handover command within a predetermined time. Further, if the processor 81 determines that any cell triggers the intra-frequency measurement event within a predetermined time before the receiver 82 receives the handover command, the transmitter 83 is further configured to report the measurement report to the network device.
  • the designated cell is one.
  • the measurement report includes the cell information of the designated cell, so that the network device determines the designated cell as the target cell according to the cell information of the designated cell, or the measurement report includes the channel measurement value of each cell, so that the network device follows the preset rule from the channel. The measured value is higher than the determined target cell in the candidate cell of the serving cell.
  • the designated cells are at least two, and the measurement report includes channel measurements of at least two designated cells to cause the network device to determine the target cell from the at least two designated cells.
  • the measurement report may further include a handover request, so that the network device determines, according to the handover request, whether to control the target cell to send a handover command to the terminal.
  • the transmitter 83 is further configured to: when the processor 81 determines that any cell triggers other intra-frequency measurement events other than the 1D event, construct a trigger identifier of the 1D event in the measurement report, so that the network device is triggered according to the trigger.
  • the identifier identifies that the designated cell triggers a 1D event.
  • the transmitter 83 is further configured to report the capability information to the network device at the same time as or before reporting the measurement report to the network device, so that the network device determines, according to the capability information, triggers other intra-frequency measurement events other than the 1D event in any cell. Whether the terminal supports the serving cell handover or whether the target cell provisioning resource is supported.
  • the receiver 82 is also operative to receive an active set update message from a network device.
  • the processor 81 is further configured to delete the serving cell before the handover from the active set according to the active set update message.
  • FIG. 9 is a schematic structural diagram of a second embodiment of a network device according to the present invention.
  • the network device includes a processor 91, a receiver 92, an emitter 93, a random access memory (RAM) 94, a read only memory (ROM) 95, and a bus 96. And Network Interface Unit 97.
  • the processor 91 passes the bus 96
  • the receiver 92, the transmitter 93, the random access memory 94, the read only memory 95, and the network interface unit 97 are coupled respectively.
  • the network device needs to be run, it is cured in the read only memory 95.
  • BIOS Basic input/output system
  • BIOS Basic input/output system
  • the loader boots the system to boot and boots the network device into normal operation. After the network device enters the normal running state, the application is run in the random access memory 94 (Application) Programs and operating system (OS), making:
  • the processor 91 generates a measurement control message.
  • the transmitter 93 is configured to send a measurement control message to the terminal, so that the measured cell indicated by the terminal measurement measurement control message obtains a channel measurement value of each cell, where the to-be-tested cell includes a candidate cell in the active set, and the candidate cell At least one, and the candidate cell is a terminal provisioning resource.
  • the receiver 92 is configured to receive a measurement report reported by the terminal.
  • the processor 91 is configured to determine, according to the measurement report, the candidate cell that triggers the 1D event as the target cell, and control the target cell to send to the terminal. And switching the command, so that the terminal uses the resource of the target cell to perform the serving cell handover according to the handover command; if the measurement report is used by the terminal, according to the channel measurement value of each cell, it is determined that any cell triggers the same-frequency measurement event except the 1D event.
  • the processor 91 is configured to determine, according to the measurement report, a target cell from the candidate cell whose channel measurement value is higher than the serving cell, and control the target cell to send a handover command to the terminal, so that the terminal uses the resource of the target cell according to the handover command to The target cell performs a serving cell handover.
  • the receiver 92 is further configured to receive capability information reported by the terminal.
  • the processor 91 is further configured to determine, according to the capability information, whether the terminal supports the serving cell handover or the target cell provisioning resource when the UE triggers the same frequency measurement event except the 1D event, and is further configured to determine that the terminal supports the serving cell.
  • the target cell pre-provisioning resource is switched or supported, the target cell is determined from the candidate cell whose channel measurement value is higher than the serving cell according to the measurement report.
  • the processor 91 is further configured to receive the measurement report from the receiver 91 again, and according to the measurement.
  • the report determines a new target cell from the candidate cells whose channel measurement value is higher than the serving cell, and controls the new target cell to send a handover command to the terminal.
  • the processor 91 is also used to generate an active set update message.
  • the transmitter 93 is further configured to send an activation set update message to the terminal, so that the terminal deletes the serving cell before the handover from the active set according to the active set update message.
  • the disclosed system, apparatus, and method may be implemented in other manners.
  • the device embodiments described above are merely illustrative.
  • the division of modules or units is only a logical function division.
  • there may be another division manner for example, multiple units or components may be combined or Can be integrated into another system, or some features can be ignored or not executed.
  • the mutual coupling or direct coupling or communication connection shown or discussed may be an indirect coupling or communication connection through some interface, device or unit, and may be in electrical, mechanical or other form.
  • the units described as separate components may or may not be physically separate, and the components displayed as units may or may not be physical units, that is, may be located in one place, or may be distributed to multiple network units. Some or all of the units may be selected according to actual needs to achieve the purpose of the solution of the embodiment.
  • each functional unit in each embodiment of the present application may be integrated into one processing unit, or each unit may exist physically separately, or two or more units may be integrated into one unit.
  • the above integrated unit can be implemented in the form of hardware or in the form of a software functional unit.
  • An integrated unit if implemented in the form of a software functional unit and sold or used as a standalone product, can be stored in a computer readable storage medium.
  • the instructions include a plurality of instructions for causing a computer device (which may be a personal computer, a management server, or a network device, etc.) or a processor to perform all or part of the steps of the methods described in various embodiments of the present application.
  • the foregoing storage medium includes: a U disk, a mobile hard disk, a read only memory (ROM, Read-Only) Memory, random access memory (RAM), disk or optical disk, and other media that can store program code.

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Abstract

本发明公开了一种小区的切换方法、终端和网络设备。小区的切换方法包括：终端接收网络设备发送的测量控制消息，测量测量控制消息中所指示的待测小区得到每个小区的信道测量值，其中，待测小区至少包括激活集内的候选小区，候选小区为至少一个，且候选小区为终端预配资源；若终端根据所述每个小区的信道测量值判断任一候选小区触发1D事件，向网络设备上报测量报告并监听触发1D事件的候选小区，以使网络设备根据测量报告确定触发1D事件的候选小区为目标小区，并控制目标小区向终端发送切换命令；若终端判断任一小区触发除1D事件外的其它同频测量事件，根据预设规则从信道测量值高于服务小区的候选小区中选择指定小区，向网络设备上报测量报告并监听指定小区，以使网络设备根据测量报告从信道测量值高于服务小区的候选小区中确定一个目标小区，并控制目标小区向终端发送切换命令；终端从目标小区接收切换命令，并根据切换命令利用目标小区的资源到目标小区进行服务小区切换，其中，指定小区为一个或多个，目标小区为指定小区或指定小区中的一个。实施本申请能够解决触发除1D事件外的其它同频测量事件时切换命令的接收成功率得不到改善的问题。

Description

小区的切换方法、终端和网络设备
【技术领域】
本发明涉及无线通信技术领域，特别是涉及一种小区的切换方法，还涉及一种终端和网络设备。
【背景技术】
现有的通信系统中，为了提高无线资源的利用率和整个系统的网络容量，终端可以在多个小区之间进行切换。当服务小区的通信质量越来越小时，网络就会控制服务小区向终端发送切换命令，使终端切换到激活集中的另一个通信质量最好的小区上。激活集是指与某个终端建立连接的小区的集合。用户和网络之间的数据传送通过激活集内的小区进行。
但是，由于服务小区的通信质量已经很差，导致服务小区向终端发送切换命令时，终端很可能接收不到，导致切换命令传输成功率变低。为了改善这种情况，目前一种较好的做法是，将激活集内除服务小区外的所有小区都作为预配小区，即预先为终端分配作为服务小区的资源，其中预配的资源可以包括服务小区变更完成的消息类型、服务小区完成消息使用的事务标识、服务小区变更是否复位MAC层实体的务指示信息，UE在预配小区的标识、预配高速下行共享信道HS-DSCH的服务小区的配置信息、增专用信道E-DCH的服务小区的配置信息，其中HS-DSCH服务小区的配置信息是指成为服务小区后UE所使用的信道等资源，E-DCH的服务小区的配置信息是值成为服务小区后UE所使用的信道等资源信息。然后根据同频测量控制中的1D事件来触发小区切换，当预配小区触发1D事件，网络控制该预配小区向终端发送切换命令，终端根据切换命令完成服务小区切换过程。这个过程也称为“增强的服务小区切换”。比如US2011/0014917A1公开了一种HS-DSCH服务小区变更改进的配置，该配置中在检测到比当前服务小区更强的相邻小区时（相当于触发1D事件），就通过该更强相邻小区向终端发送切换命令。
本申请的发明人在长期的研发中发现，现有技术在进行增强的服务小区切换时只考虑到1D事件，但是没有考虑到同频测量控制中的其它非1D事件，非1D事件包括有1A、1B、1C、1E和1F事件。而如果服务小区或其它小区触发1B、1C或1F事件时，现有技术存在两个问题：1、网络不能确定终端是否需要进行服务小区切换；2、即使网络能够确定终端需要进行服务小区切换，也无法确定进行服务小区切换的目标小区的小区信息，因为激活集内比服务小区更强的小区可能不止一个。因此，在触发非1D事件时，网络如果确定需要进行服务小区切换，将仍然控制服务小区来发送切换命令，导致切换命令传输成功率仍然很低。
同频测量控制的各事件的定义如下：
1A事件：不属于激活集中的小区导频信号强度变高，进入相对激活集质量的一个报告范围。
1B事件：激活集中的小区导频信号强度变差，离开相对激活集质量的一个报告范围。
1C事件：激活集外的某小区的导频信号强度高于激活集中最差的小区的导频信号强度。
1D事件：激活集中的小区（不是服务小区）的导频信号强度高于当前服务小区的导频信号强度。
1E事件：一个小区的导频信号强度超过一个绝对门限。
1F事件：一个小区的导频信号强度低于一个绝对门限。
【发明内容】
本发明主要解决的技术问题是提供一种小区的切换方法、终端和网络设备，能够解决触发除1D事件外的其它同频测量事件时切换命令的传输成功率得不到改善的问题。
本发明的第一方面提供一种小区的切换方法，切换方法包括：终端接收网络设备发送的测量控制消息，测量测量控制消息中所指示的待测小区得到每个小区的信道测量值，其中，待测小区至少包括激活集内的候选小区，候选小区为至少一个，且候选小区为终端预配资源；若终端根据每个小区的信道测量值判断任一候选小区触发1D事件，确定触发1D事件的候选小区为目标小区，向网络设备上报测量报告并监听目标小区，以使网络设备根据测量报告确定触发1D事件的候选小区为目标小区，并控制目标小区向终端发送切换命令；若终端根据每个小区的信道测量值判断任一小区触发除1D事件外的其它同频测量事件，根据预设规则从信道测量值高于服务小区的候选小区中选择指定小区，向网络设备上报测量报告并监听指定小区，以使网络设备根据测量报告从信道测量值高于服务小区的候选小区中确定一个目标小区，并控制目标小区向终端发送切换命令；终端从目标小区接收切换命令，并根据切换命令利用目标小区的资源到目标小区进行服务小区切换，其中，指定小区为一个或多个，目标小区为指定小区或指定小区中的一个。
结合第一方面，在第一方面的第一种可能的实现方式中，指定小区为一个，测量报告包括指定小区的小区信息，以使得网络设备根据指定小区的小区信息将指定小区确定为目标小区。
结合第一方面，在第一方面的第二种可能的实现方式中，指定小区为一个，测量报告包括每个小区的信道测量值，以使得网络设备根据预设规则从信道测量值高于服务小区的候选小区中确定目标小区。
结合第一方面，在第一方面的第三种可能的实现方式中，指定小区为至少两个，测量报告包括至少两个指定小区的信道测量值，以使得网络设备从至少两个指定小区中确定目标小区。
结合第一方面的第一种至第三种任一种可能的实现方式，在第一方面的第四种可能的实现方式中，测量报告还包括切换请求，以使网络设备根据切换请求判断是否控制目标小区向终端发送切换命令。
结合第一方面的第一种至第三种任一种可能的实现方式，在第一方面的第五种可能的实现方式中，预设规则要求指定小区为信道测量值最高的候选小区或者加入激活集时间最长的候选小区。
结合第一方面的第五种可能的实现方式，在第一方面的第六种可能的实现方式中，如果信道测量值最高的候选小区为至少两个，预设规则要求指定小区为测量报告中预定位置出现的信道测量值最高的候选小区。
结合第一方面的第六种可能的实现方式，在第一方面的第七种可能的实现方式中，预设规则要求指定小区为测量报告中首先出现或最后出现的信道测量值最高的候选小区。
结合第一方面，在第一方面的第八种可能的实现方式中，若终端根据每个小区的信道测量值判断任一小区触发除1D事件外的其它同频测量事件，则在测量报告中构造1D事件的触发标识，以使得网络设备根据触发标识认定指定小区触发1D事件。
结合第一方面，在第一方面的第九种可能的实现方式中，向网络设备上报测量报告的同时或之前，还包括：终端向网络设备上报能力信息，以使得网络设备根据能力信息判断在任一小区触发除1D事件外的其它同频测量事件时终端是否支持服务小区切换或是否支持目标小区预配资源。
结合第一方面，在第一方面的第十种可能的实现方式中，终端从目标小区接收切换命令，并根据切换命令利用目标小区的资源到目标小区进行服务小区切换的包括：终端判断是否在预定时间内接收到切换命令；如果在预定时间内接收到切换命令，根据切换命令利用目标小区的资源到目标小区进行服务小区切换。
结合第一方面的第十种可能的实现方式，在第一方面的第十一种可能的实现方式中，终端从目标小区接收切换命令，并根据切换命令利用目标小区的预配资源到目标小区进行服务小区切换的还包括：如果在预定时间内没有接收到切换命令，终端停止监听指定小区。
结合第一方面的第十种可能的实现方式，在第一方面的第十二种可能的实现方式中，在接收到切换命令之前，切换方法还包括：如果在预定时间内终端判断出任一小区触发同频测量事件，则进行终端向网络设备上报测量报告的。
结合第一方面，在第一方面的第十三种可能的实现方式中，切换方法还包括：终端从网络设备接收激活集更新消息，并根据激活集更新消息将切换前的服务小区从激活集内删除。
本发明的第二方面提供一种小区的切换方法，切换方法包括：网络设备生成测量控制消息，并向终端发送测量控制消息，以使得终端测量测量控制消息中所指示的待测小区得到每个小区的信道测量值，其中，待测小区至少包括激活集内的候选小区，候选小区为至少一个，且候选小区为终端预配资源；网络设备接收终端上报的测量报告；若测量报告由终端根据每个小区的信道测量值判断出任一候选小区触发1D事件后产生，网络设备根据测量报告确定触发1D事件的候选小区为目标小区，并控制目标小区向终端发送切换命令，以使得终端根据切换命令利用目标小区的资源到目标小区进行服务小区切换；若测量报告由终端根据每个小区的信道测量值判断出任一小区触发除1D事件外的其它同频测量事件后产生，网络设备根据测量报告从信道测量值高于服务小区的候选小区中确定一个目标小区，并控制目标小区向终端发送切换命令，以使得终端根据切换命令利用目标小区的资源到目标小区进行服务小区切换。
结合第二方面，在第二方面的第一种可能的实现方式中，网络接收终端上报的测量报告的同时或之前，切换方法还包括：网络设备接收终端上报的能力信息；网络设备根据能力信息判断在任一小区触发除1D事件外的其它同频测量事件时终端是否支持服务小区切换或是否支持目标小区预配资源；如果网络设备判断到终端支持服务小区切换或支持目标小区预配资源，进行网络设备根据测量报告从信道测量值高于服务小区的候选小区中确定目标小区的步骤。
结合第二方面，在第二方面的第二种可能的实现方式中，切换方法还包括：如果网络设备在控制目标小区向终端发送切换命令之前接收到终端上报的测量报告，则网络设备根据测量报告从信道测量值高于服务小区的候选小区中确定新的目标小区，并控制新的目标小区向终端发送切换命令。
结合第二方面，在第二方面的第三种可能的实现方式中，切换方法还包括：网络设备向终端下发激活集更新消息，以使得终端根据激活集更新消息将切换前的服务小区从激活集内删除。
本发明的第三方面提供一种终端，终端包括接收模块，测量模块、监听模块、上报模块和切换模块，其中，接收模块用于接收网络设备发送的测量控制消息；测量模块，用于测量测量控制消息中所指示的待测小区得到每个小区的信道测量值，并根据每个小区的信道测量值判断任一候选小区是否触发1D事件或任一小区是否触发除1D事件外的其它同频测量事件，其中，待测小区至少包括激活集内的候选小区，候选小区为至少一个，且候选小区为终端预配资源；监听模块用于在测量模块判断出任一候选小区触发1D事件时，监听触发1D事件的候选小区，以及用于在测量模块判断出任一小区触发除1D事件外的其它同频测量事件时，根据预设规则从信道测量值高于服务小区的候选小区中选择指定小区，并监听指定小区；上报模块用于在测量模块判断出任一候选小区触发1D事件时，向网络设备上报测量报告，以使网络设备根据测量报告确定触发1D事件的候选小区为目标小区并控制目标小区向终端发送切换命令，以及用于在测量模块判断出任一小区触发除1D事件外的其它同频测量事件时，向网络设备上报测量报告，以使网络设备根据测量报告从信道测量值高于服务小区的候选小区中确定一个目标小区并控制目标小区向终端发送切换命令；接收模块，还用于从目标小区接收切换命令；切换模块，用于根据切换命令利用目标小区的资源到目标小区进行服务小区切换，其中，指定小区为一个或多个，目标小区为指定小区或指定小区中的一个。
结合第三方面，在第三方面的第一种可能的实现方式中，指定小区为一个，测量报告包括指定小区的小区信息，以使得网络设备根据指定小区的小区信息将指定小区确定为目标小区。
结合第三方面，在第三方面的第二种可能的实现方式中，指定小区为一个，测量报告包括每个小区的信道测量值，以使得网络设备根据预设规则从信道测量值高于服务小区的候选小区中确定目标小区。
结合第三方面，在第三方面的第三种可能的实现方式中，指定小区为至少两个，测量报告包括至少两个指定小区的信道测量值，以使得网络设备从至少两个指定小区中确定目标小区。
结合第三方面的第一种至第三种任一种可能的实现方式，在第三方面的第四种可能的实现方式中，测量报告还包括切换请求，以使网络设备根据切换请求判断是否控制目标小区向终端发送切换命令。
结合第三方面的第一种至第三种任一种可能的实现方式，在第三方面的第五种可能的实现方式中，预设规则要求指定小区为信道测量值最高的候选小区或者加入激活集时间最长的候选小区。
结合第三方面的第五种可能的实现方式，在第三方面的第六种可能的实现方式中，如果信道测量值最高的候选小区为至少两个，预设规则要求指定小区为测量报告中预定位置出现的信道测量值最高的候选小区。
结合第三方面的第六种可能的实现方式，在第三方面的第七种可能的实现方式中，预设规则要求指定小区为测量报告中首先出现或最后出现的信道测量值最高的候选小区。
结合第三方面，在第三方面的第八种可能的实现方式中，若测量模块判断出任一小区触发除1D事件外的其它同频测量事件，上报模块还用于在测量报告中构造1D事件的触发标识，以使得网络设备根据触发标识认定指定小区触发1D事件。
结合第三方面，在第三方面的第九种可能的实现方式中，上报模块还用于在向网络设备上报测量报告的同时或之前，向网络设备上报能力信息，以使得网络设备根据能力信息判断在任一小区触发除1D事件外的其它同频测量事件时终端是否支持服务小区切换或是否支持目标小区预配资源。
结合第三方面，在第三方面的第十种可能的实现方式中，切换模块具体用于判断是否在预定时间内接收到切换命令，并判断到在预定时间内接收到切换命令，根据切换命令利用目标小区的资源到目标小区进行服务小区切换。
结合第三方面的第十种可能的实现方式，在第三方面的第十一种可能的实现方式中，监听模块还用于在切换模块判断到在预定时间内没有接收到切换命令时，停止监听指定小区。
结合第三方面的第十种可能的实现方式，在第三方面的第十二种可能的实现方式中，如果在切换模块接收到切换命令之前，测量模块在预定时间内判断出任一小区触发同频测量事件，则上报模块还用于向网络设备上报测量报告。
结合第三方面，在第三方面的第十三种可能的实现方式中，接收模块，还用于从网络接收激活集更新消息；终端还包括更新模块，用于根据激活集更新消息将切换前的服务小区从激活集内删除。
本发明的第四方面提供一种网络设备，网络设备包括发送模块、接收模块和处理模块，其中，发送模块用于向终端发送测量控制消息，以使得终端测量测量控制消息中所指示的待测小区得到每个小区的信道测量值，其中，待测小区至少包括激活集内的候选小区，候选小区为至少一个，且候选小区为终端预配资源；接收模块用于接收终端上报的测量报告；若测量报告由终端根据每个小区的信道测量值判断出任一候选小区触发1D事件后产生，处理模块用于根据测量报告确定触发1D事件的候选小区为目标小区，并控制目标小区向终端发送切换命令，以使得终端根据切换命令利用目标小区的资源到目标小区进行服务小区切换；若测量报告由终端根据每个小区的信道测量值判断出任一小区触发除1D事件外的其它同频测量事件后产生，处理模块用于根据测量报告从信道测量值高于服务小区的候选小区中确定一个目标小区，并控制目标小区向终端发送切换命令，以使得终端根据切换命令利用目标小区的资源到目标小区进行服务小区切换。
结合第四方面，在第四方面的第一种可能的实现方式中，网络设备还包括判断模块，其中，接收模块用于在接收终端上报的测量报告的同时或之前，接收终端上报的能力信息；判断模块用于根据能力信息判断在任一小区触发除1D事件外的其它同频测量事件时终端是否支持服务小区切换或是否支持目标小区预配资源；处理模块还用于在判断模块判断到终端支持服务小区切换或支持目标小区预配资源时，根据测量报告从信道测量值高于服务小区的候选小区中确定目标小区。
结合第四方面，在第四方面的第二种可能的实现方式中，如果在处理模块控制目标小区向终端发送切换命令之前，接收模块接收到终端上报的测量报告，处理模块还用于再次从接收模块接收测量报告，并根据测量报告从信道测量值高于服务小区的候选小区中确定一个新的目标小区，并控制新的目标小区向终端发送切换命令。
结合第四方面，在第四方面的第三种可能的实现方式中，网络设备还包括更新命令模块，更新命令模块用于生成激活集更新消息；发送模块用于向终端下发激活集更新消息，以使得终端根据激活集更新消息将切换前的服务小区从激活集内删除。
本发明的第五方面提供一种终端，终端包括处理器，接收器和发送器，其中，接收器，用于接收网络设备发送的测量控制消息；处理器，用于测量测量控制消息中所指示的待测小区得到每个小区的信道测量值，并根据每个小区的信道测量值判断任一候选小区是否触发1D事件或任一小区是否触发除1D事件外的其它同频测量事件，其中，待测小区至少包括激活集内的候选小区，候选小区为至少一个，且候选小区为终端预配资源；处理器，还用于判断出任一候选小区触发1D事件时，监听触发1D事件的候选小区，以及用于在判断出任一小区触发除1D事件外的其它同频测量事件时，根据预设规则从信道测量值高于服务小区的候选小区中选择指定小区，并监听指定小区；发送器，用于在处理器判断出任一候选小区触发1D事件时，向网络设备上报测量报告，以使网络设备根据测量报告确定触发1D事件的候选小区为目标小区并控制目标小区向终端发送切换命令，以及用于在处理器判断出任一小区触发除1D事件外的其它同频测量事件时，向网络设备上报测量报告，以使网络设备根据测量报告从信道测量值高于服务小区的候选小区中确定一个目标小区并控制目标小区向终端发送切换命令；接收器，还用于从目标小区接收切换命令；处理器，还用于根据切换命令利用目标小区的资源到目标小区进行服务小区切换，其中，指定小区为一个或多个，目标小区为指定小区或指定小区中的一个。
结合第五方面，在第五方面的第一种可能的实现方式中，指定小区为一个，测量报告包括指定小区的小区信息，以使得网络设备根据指定小区的小区信息将指定小区确定为目标小区。
结合第五方面，在第五方面的第二种可能的实现方式中，指定小区为一个，测量报告包括每个小区的信道测量值，以使得网络设备根据预设规则从信道测量值高于服务小区的候选小区中确定目标小区。
结合第五方面，在第五方面的第三种可能的实现方式中，指定小区为至少两个，测量报告包括至少两个指定小区的信道测量值，以使得网络设备从至少两个指定小区中确定目标小区。
结合第五方面的第一种至第三种任一种的可能的实现方式，在第五方面的第四种可能的实现方式中，测量报告还包括切换请求，以使网络设备根据切换请求判断是否控制目标小区向终端发送切换命令。
结合第五方面的第一种至第三种任一种可能的实现方式，在第三方面的第五种可能的实现方式中，预设规则要求指定小区为信道测量值最高的候选小区或者加入激活集时间最长的候选小区。
结合第五方面的第五种可能的实现方式，在第三方面的第六种可能的实现方式中，如果信道测量值最高的候选小区为至少两个，预设规则要求指定小区为测量报告中预定位置出现的信道测量值最高的候选小区。
结合第五方面的第六种可能的实现方式，在第三方面的第七种可能的实现方式中，预设规则要求指定小区为测量报告中首先出现或最后出现的信道测量值最高的候选小区。
结合第五方面，在第五方面的第八种可能的实现方式中，若处理器判断出任一小区触发除1D事件外的其它同频测量事件，发送器，还用于在测量报告中构造1D事件的触发标识，以使得网络设备根据触发标识认定指定小区触发1D事件。
结合第五方面，在第五方面的第九种可能的实现方式中，发送器，还用于在向网络设备上报测量报告的同时或之前，向网络设备上报能力信息，以使得网络设备根据能力信息判断在任一小区触发除1D事件外的其它同频测量事件时终端是否支持服务小区切换或是否支持目标小区预配资源。
结合第五方面，在第五方面的第十种可能的实现方式中，处理器具体用于判断是否在预定时间内接收到切换命令，并判断到在预定时间内接收到切换命令，根据切换命令利用目标小区的资源到目标小区进行服务小区切换。
结合第五方面的第十种可能的实现方式，在第五方面的第十一种可能的实现方式中，处理器还用于在接收器在预定时间内没有接收到切换命令时，停止监听指定小区。
结合第五方面的第十种可能的实现方式，在第五方面的第十二种可能的实现方式中，如果在接收器接收到切换命令之前，处理器在预定时间内判断出任一小区触发同频测量事件，则发送器还用于向网络设备上报测量报告。
结合第五方面，在第五方面的第十三种可能的实现方式中，接收器，还用于从网络设备接收激活集更新消息；处理器，还用于根据激活集更新消息将切换前的服务小区从激活集内删除。
本发明的第六方面提供一种网络设备，网络设备包括发送器、接收器和处理器，其中，发送器，用于向终端发送测量控制消息，以使得终端测量测量控制消息中所指示的待测小区得到每个小区的信道测量值，其中，待测小区包括激活集内的候选小区，候选小区为至少一个，且候选小区为终端预配资源；接收器，用于接收终端上报的测量报告；若测量报告由终端根据每个小区的信道测量值判断出任一候选小区触发1D事件后产生，处理器用于根据测量报告确定触发1D事件的候选小区为目标小区，并控制目标小区向终端发送切换命令，以使得终端根据切换命令利用目标小区的资源到目标小区进行服务小区切换；若测量报告由终端根据每个小区的信道测量值判断出任一小区触发除1D事件外的其它同频测量事件后产生，处理器用于根据测量报告从信道测量值高于服务小区的候选小区中确定一个目标小区，并控制目标小区向终端发送切换命令，以使得终端根据切换命令利用目标小区的资源到目标小区进行服务小区切换。
结合第六方面，在第六方面的第一种可能的实现方式中，接收器，还用于接收终端上报的能力信息；处理器，还用于根据能力信息判断在任一小区触发除1D事件外的其它同频测量事件时终端是否支持服务小区切换或是否支持目标小区预配资源；还用于在判断到终端支持服务小区切换或支持目标小区预配资源时，根据测量报告从信道测量值高于服务小区的候选小区中确定目标小区。
结合第六方面，在第六方面的第二种可能的实现方式中，如果在处理器控制目标小区向终端发送切换命令之前，接收器接收到终端上报的测量报告，处理器，还用于再次从接收器接收测量报告，并根据测量报告从信道测量值高于服务小区的候选小区中确定一个新的目标小区，并控制新的目标小区向终端发送切换命令。
结合第六方面，在第六方面的第三种可能的实现方式中，处理器，还用于生成激活集更新消息；发送器，还用于向终端下发激活集更新消息，以使得终端根据激活集更新消息将切换前的服务小区从激活集内删除。
综上所述，本发明的小区的切换方法、终端和网络设备在判断到任一小区触发除1D事件外的其它同频测量事件时，终端将根据预设规则从信道测量值高于服务小区的候选小区中确定指定小区并监听指定小区，网络设备从信道测量值高于服务小区的候选小区中确定出目标小区，且目标小区为指定小区或指定小区中的一个，候选小区在任一小区触发除1D事件外的其它同频测量事件之前就为终端预配资源，从而终端可以从目标小区接收到切换命令，以根据切换命令利用目标小区的资源到目标小区进行服务小区切换，由于指定小区的信道测量值高于服务小区的信道测量值，能够显著改善切换命令的传输成功率，从而解决触发除1D事件外的其它同频测量事件时切换命令的传输成功率得不到改善的问题，并且由于目标小区已经预配资源，能够减少信令开销，使得服务小区切换过程能够快速进行。
上述说明仅是本发明技术方案的概述，为了能够更清楚了解本发明的技术手段，而可依照说明书的内容予以实施，并且为了让本发明的上述和其他目的、特征和优点能够更明显易懂，以下特举较佳实施例，并配合附图，详细说明如下。
【附图说明】
图1是本发明的小区的切换方法第一实施例的流程示意图；
图2是本发明的小区的切换方法第二实施例的流程示意图；
图3是图2所示的小区的切换方法一种应用场景的信令示意图；
图4是本发明的小区的切换方法第三实施例的流程示意图；
图5是本发明的终端第一实施例的结构示意图；
图6是本发明的终端第二实施例的结构示意图；
图7是本发明的网络设备第一实施例的结构示意图；
图8是本发明的终端第三实施例的结构示意图；
图9是本发明的网络设备第二实施例的结构示意图。
【具体实施方式】
下面将结合本发明实施例中的附图，对本发明实施例中的技术方案进行清楚、完整地描述，显然，所描述的实施例仅仅是本发明一部分实施例，而不是全部的实施例。基于本发明中的实施例，本领域普通技术人员在没有做出创造性劳动前提下所获得的所有其他实施例，均属于本发明保护的范围。
参见图1，是本发明的小区的切换方法第一实施例的流程示意图。
S11：终端接收网络设备发送的测量控制消息，测量测量控制消息中所指示的待测小区得到每个小区的信道测量值，其中，待测小区至少包括激活集内的候选小区，候选小区为至少一个，且候选小区为终端预配资源。
其中，信道测量值可以为导频信号强度的RSCP（Received Signal Code Power，接收信号码功率值）值或Ec/No（Received energy per chip divided by the power density in the band，每码片的接收能量和宽带的功率密度比）值，还可以是导频信道强度的RSCP值或Ec/No值与CIO（CELL Individual Offset，小区偏移量）值的累加值，导频信号是指在电信网内为测量或监控的目的而发送的信号。激活集中包含服务小区和候选小区，服务小区是为终端提供HS-DSCH（High Speed Downlink Shared Channel，高速下行链路共享信道）或E-DCH（Enhanced Dedicated Channel，增强专用信道）服务的小区，候选小区是没有为终端提供HS-DSCH或E-DCH服务但是与终端建立链路的小区，或者是为终端提供HS-DSCH或E-DCH服务但是作为服务小区的协作小区。激活集外的小区可以是监测集或检测集等集合中的小区。
候选小区预配的资源至少包括信道资源、空中接口（radio interface）资源等。激活集中最少包含一个候选小区。
S12：若终端根据每个小区的信道测量值判断任一候选小区触发1D事件，确定触发1D事件的候选小区为目标小区，向网络设备上报测量报告并监听目标小区，以使网络设备根据测量报告确定触发1D事件的候选小区为目标小区，并控制目标小区向终端发送切换命令。
S13：若终端根据每个小区的信道测量值判断任一小区触发除1D事件外的其它同频测量事件，根据预设规则从信道测量值高于服务小区的候选小区中选择指定小区，向网络设备上报测量报告并监听指定小区，以使网络设备根据测量报告从信道测量值高于服务小区的候选小区中确定一个目标小区，并控制目标小区向终端发送切换命令。
其中，除1D事件外的其它同频测量事件就是非1D事件。由于指定小区从信道测量值高于服务小区的候选小区中选择，那么无论是服务小区还是候选小区触发非1D事件，都说明服务小区的信道测量值不是最高的。
举例来说，当服务小区触发1B事件或1F事件，说明服务小区的信道测量值已经低于某个阈值，并保持了一段时间，比如终端离服务小区越来越远。举例来说，测量控制消息给出了一个门限T以及时间t，该门限T可以是激活集内某个候选小区的信道测量值，也可以是预先设定的某个信道测量值，只要服务小区的信道测量值小于T，并且持续了时间t1，则满足1B事件或1F事件的触发条件，t一般取值为640ms。此外，该事件可以表示服务小区的信道测量值相对激活集中信道测量值最高的候选小区低于一定门限。如果候选小区触发1B或1F事件，说明服务小区的信道测量值高于这个候选小区，但是仍然会低于其它某些候选小区。
如果服务小区触发1C事件，说明服务小区是激活集内信道测量值最低的小区，并且激活集外的一个小区的信道测量值要高于服务小区的信道测量值，这种情况保持了一段时间，该时间通常也取值为320ms。如果候选小区触发1C事件，说明该候选小区是激活集内信道测量值最低的小区，但是此时的服务小区却并不是激活集内信道测量值最高的小区。
此外，当激活集内的候选小区或激活集外的小区触发1E事件时，也会存在候选小区的信道测量值高于服务小区的情况。
其中，在UE触发非1D事件时，一般来说，触发非1D事件的小区不是服务小区变更的目标小区。比如触发1B事件时，触发1B事件的目标小区是要被删除的小区，触发1C事件时，触发1C事件的目标小区是要给替换的小区。另外，目标小区也可能不是比服务小区的信号测量值高的候选小区。
本实施例优选为服务小区触发1B、1C或1F事件。
S14：终端从目标小区接收切换命令，并根据切换命令利用目标小区的资源到目标小区进行服务小区切换，其中，指定小区为一个或多个，目标小区为指定小区或指定小区中的一个。
其中，由于目标小区目标小区为指定小区或指定小区中的一个，则终端监听的指定小区必然包括目标小区，从而可以从目标小区接收切换命令。终端上报测量报告后，并不是能够立刻接收到切换命令，而是在上报测量报告后监听目标小区，以等待目标小区发送切换命令。在本实施例中，切换命令通过物理层发送，例如切换命令是HS-SCCH（High Speed Shared Control Channel，高速下行共享控制信道）Order。
终端在进行服务小区切换时，由于目标小区已经为终端预配资源，所以终端不需要请求目标小区发送配置资源的信息，只需要接收切换命令，就可以快速完成服务小区切换。
本发明实施例的小区的切换方法中，激活集内的候选小区为终端预配资源，如果任一小区触发除1D事件外的其它同频测量事件，终端从信道测量值高于服务小区的候选小区中确定指定小区并监听指定小区，网络设备从信道测量值高于服务小区的候选小区中确定目标小区并控制目标小区发送切换命令，由于目标小区为指定小区或指定小区中的一个，指定小区的信道测量值高于服务小区的信道测量值，并且目标小区已经为终端预配资源，从而解决触发除1D事件外的其它同频测量事件时切换命令的传输成功率得不到改善的问题，能够减少信令开销，使得服务小区切换过程能够快速进行。
参见图2，是本发明的小区的切换方法第二实施例的流程示意图。
S21：终端接收网络设备发送的测量控制消息，测量测量控制消息中所指示的待测小区得到每个小区的信道测量值，其中，待测小区至少包括激活集内的候选小区，候选小区为至少一个，且候选小区为终端预配资源。
其中，S21请参照第一实施例的S11，此处不再详述。
S22：若终端根据每个小区的信道测量值判断任一候选小区触发1D事件，确定触发1D事件的候选小区为目标小区，向网络设备上报测量报告并监听目标小区，以使网络设备根据测量报告确定触发1D事件的候选小区为目标小区，并控制目标小区向终端发送切换命令。
S23：若终端根据每个小区的信道测量值判断任一小区触发除1D事件外的其它同频测量事件，根据预设规则从信道测量值高于服务小区的候选小区中选择指定小区，向网络设备上报测量报告并监听指定小区，以使网络设备根据测量报告从信道测量值高于服务小区的候选小区中确定一个目标小区，并控制目标小区向终端发送切换命令。
其中，本实施例优选为服务小区触发1B、1C或1F事件。网络设备确定服务小区切换的目标小区具有多种实现方式，下面将分情况详细说明：
第一种情况，指定小区为一个。此时测量报告包括指定小区的小区信息，以使得网络设备根据指定小区的小区信息将指定小区确定为目标小区。也就是说，终端确定指定小区时，网络设备并不知道终端将哪个候选小区确定为指定小区，所以终端需要在测量报告中将指定小区的小区信息上报给网络设备。小区信息可以是指定小区的小区扰码或小区标识。
终端根据预定规则确定指定小区的另一种实施方式，是选择任意高于服务小区的信号测量值的候选小区为指定小区。
第二种情况，指定小区为一个。此时测量报告包括每个小区的信道测量值，以使得网络设备根据预设规则从信道测量值高于服务小区的候选小区中确定目标小区。由于终端得到每个候选小区的信道测量值，所以可以知道哪些候选小区的信道测量值高于服务小区的信道测量值，从而可以按照预设规则确定指定小区。
终端根据预定规则确定指定小区的另一种实施方式，是选择比服务小区的信号测量值高且是候选小区中测量值最高的小区为指定小区。同样的，网络侧根据这个规则确定目标小区，可以确保UE确定的指定小区和网络确定的目标小区是一致的。
第三种情况，指定小区为两个以上。此时测量报告也包括每个指定小区的信道测量值，以使得网络设备从至少两个指定小区中确定目标小区。网络设备确定的目标小区可以是指定小区中的任意一个，由于指定小区的信道测量值高于服务小区的信道测量值，那么目标小区的信道测量值必然高于服务小区的信道测量值。由于目标小区是指定小区中的一个，所以终端必须监听所有的指定小区，终端也就必然会监听到目标小区。
在上述第二种和第三种情况中，测量报告也可以包括信道测量值的比对结果，例如第二种情况中，测量报告只包括每个小区的信道测量值的比对结果，而不携带每个小区的信道测量值，比对结果例如是所有小区的按照信道测量值的降序排序关系，那么网络设备就可以直接从比对结果中知道哪些候选小区的信道测量值比服务小区的信道测量值高，以及哪个候选小区的信道测量值最高。
在上述三种情况中，预设规则可以要求指定小区为信道测量值高于服务小区的候选小区中信道测量值最高的候选小区、信道测量值高于服务小区的候选小区中加入激活集时间最长的候选小区或者信道测量值高于服务小区的候选小区中最先加入激活集的候选小区。若激活集合中的小区的信道测量值最高且相同的小区为至少两个，那么预设规则可以要求指定小区由测量报告中的小区顺序来确定。比如，规定测量结果列表中第N个信道测量值最高的候选小区为指定小区, 其中，1≤N≤m，m为激活集小区数。优选的，指定小区可以为第一个信道测量值最高的候选小区，且这个候选小区的测量结果首先出现或最后出现在测量结果列表中。无论预设规则如何改变，指定小区的信道测量值都必须高于服务小区的信道测量值，且终端确定的指定小区至少要包含网络确定的目标小区。由于测量报告包含每个小区的信道测量值，网络设备可以按照与终端同样的预设规则确定目标小区。
在本实施例中，终端向网络设备上报测量报告同时或之前，终端还向网络设备上报能力信息，以使得网络设备根据能力信息判断在任一小区触发除1D事件外的其它同频测量事件时终端是否支持服务小区切换或是否支持目标小区预配资源，也就是“增强的服务小区切换”。如果终端不支持，那么网络设备接收到测量报告后可能不会进行下一步操作。
在本实施例中，终端在发送非1D事件的测量报告后，网络设备可以通过测量报告中的内容知道终端请求进行服务小区切换，这些内容可以是如下之一：
1、服务小区触发非1D事件；
2、服务小区的信道测量值是激活集内最低的；
3、没有触发非1D事件的候选小区的小区信息或指定小区的小区信息；
4、服务小区切换请求，切换请求用于网络设备判断是否控制目标小区向终端发送切换命令；
5、支持增强的服务小区切换的能力信息；
6、用于计算监听指定小区的激活时间的时长的激活时间偏移值；
7、用于指示监听指定小区的激活时间的时长；
8、支持目标小区预配资源的能力信息。
在本实施例中，当终端根据每个小区的信道测量值判断任一小区触发除1D事件外的其它同频测量事件时，可构造一个特殊1D事件，即在测量报告中构造1D事件的触发标识，该触发标识用于网络设备认定指定小区触发1D事件。特殊1D事件是指指定小区实际并没有触发1D事件，是终端虚构出的1D事件。触发标识还可以是终端与网络设备共同约定的一个特殊的值，也可以是网络设备下发的1D事件的测量标识的值。网络设备可以根据该根据触发标识认定指定小区触发1D事件后，就会进行增强的服务小区切换的过程。
S24：终端判断是否在预定时间内接收到切换命令，如果在预定时间内接收到切换命令，进行S24，如果在预定时间内没有接收到切换命令，进行S27。
其中，由于目标小区为终端所监听的指定小区，所以目标小区发送切换命令时，能够被终端接收。
终端可以在上报测量报告时携带激活时间偏移值，那么预定时间就为上报测量报告时的当前CFN（Connection Frame Number，连接帧号）加激活时间偏移值。在无线通信中，特别是在空口同步配置指令中，网络设备一般需要在信令中携带激活时间偏移值，激活时间偏移值指明了同步配置指令中引起终端改变的配置生效的帧号。这里，激活时间偏移值表明终端监听指定小区的时间长度。
如果测量报告没有携带激活时间偏移值，终端可以通过定时器计时来确定是否超过预定时间。
S25：根据切换命令利用目标小区的资源到目标小区进行服务小区切换。
其中，终端在进行服务小区切换时，由于目标小区已经为终端预配资源，所以终端不需要请求目标小区发送配置资源的信息，只需要接收切换命令，就可以快速完成服务小区切换，减少了信令开销。如果终端监听多个指定小区，那么当终端从某个指定小区接收到切换命令后，即可停止所有指定小区的监听，此时发送切换命令的指定小区即为目标小区。
S26：终端向网络设备发送响应切换命令的切换完成消息，以使得网络设备根据切换完成消息确认终端完成服务小区切换。
其中，候选小区为终端预配资源时，会告知终端预配资源的候选小区的小区信息。举例来说，网络设备会向终端发送预配信息列表，预配信息列表中可以至少包含以下信息之一：完成服务小区切换后向目标小区发送的用于指示切换完成的消息类型、完成服务小区切换时使用的事物标识、完成服务小区切换时MAC（Media Access Control，媒体访问控制）层是否复位的指示信息、服务小区切换过程中所使用的空口标识、服务小区为终端提供HS-DSCH服务时HS-DSCH资源的相关配置信息、服务小区为终端提供E-DCH服务时E-DCH资源的相关配置信息。切换完成消息由上述列表中的消息类型得到。
S27：终端从网络设备接收激活集更新消息，并根据激活集更新消息将切换前的服务小区从激活集内删除。
其中，如果原服务小区，即进行服务小区切换之前的服务小区，触发的是1B事件，那么激活集更新信息用于指示终端将原服务小区从激活集内删除。如果原服务小区触发的是1C事件，那么激活集更新信息用于指示终端将原服务小区从激活集内删除，并将激活集外的比原服务小区的信道测量值高的1C事件的小区添加进激活集。
进一步，如果是激活集外的小区触发1E事件，并且激活集的容量未达上限，那么终端可根据激活集更新消息将该小区添加到激活集内。如果激活集的容量已达上限，那么终端可根据激活集更新消息将激活集内信道测量值最低的候选小区删除，并将激活集外的该小区添加到激活集内。需要说明的是，由于终端已经完成服务小区切换，那么原服务小区就成为候选小区，所以信道测量值最低的候选小区有可能是原服务小区。
S28：终端停止监听指定小区。
S29：如果在预定时间内终端判断出任一小区触发同频测量事件，则进行终端向网络设备上报测量报告的步骤。
其中，终端进行同频测量控制时一般会周期性进行，如果在接收到切换命令之前，并且没有超出预定时间，终端就判断出任一小区触发同频测量事件，即任一小区触发1A、1B、1C、1D、1E、1F事件中的任一事件，，则终端向网络设备上报测量报告并重新计算监听指定小区的时间，以使得网络设备重新根据测量报告确定出目标小区。
其中，终端触发的事件存在先后顺序，比如，终端在发送1B事件的测量报告后，若未接收到切换命令而又触发1D事件，则可向网络设备发送1D事件的测量报告。
在其它实施例中，在终端第一次发送测量报告后，并在等待接收切换命令的预定时间内，终端判断出任一小区触发同频测量事件时，可以不向网络设备上报测量报告，也可以不重新计算监听指定小区的时间，而是继续等待接收切换命令。
进一步地，终端前后2次发送测量报告时所对应的指定小区发生改变，比如，终端前后2次确定的指定小区都是信道测量值最高的候选小区，但是前后2次的信道测量值最高的候选小区不是同一个候选小区，那么终端将再次向网络设备上报测量报告，以使得网络设备根据测量报告重新确定出目标小区。确定目标小区的方式不再赘述。
进一步地，终端前后2次发送测量报告所对应的指定小区如果不一致，那么终端将同时监听前后2次所确定的指定小区，网络设备必然会从前后2次确定的指定小区中选定一个作为目标小区。
参见图3，是图2所示的小区的切换方法一种应用场景的信令示意图。在本应用场景中，激活集仅示意包括两个候选小区，信令过程如下。
S301：网络设备控制两个候选小区为终端预配资源。
S302：网络设备向终端发送关于两个候选小区的预配信息列表。
其中，预配信息列表表明两个候选小区已经完成为终端预配资源。
S303：网络设备向终端发送的测量控制消息。
其中，测量控制消息中指示了待测小区，待测小区至少包括激活集内的候选小区，还可以包含激活集外的小区，候选小区为终端预配资源。
S304：终端测量待测小区的信道测量值，并判断出任一小区触发1C事件。
其中，1C事件表明服务小区的信道测量值小于两个候选小区的信道测量值，并且还小于激活集外的某个小区的信道测量值。
S305：终端选择信道测量值最高的候选小区作为指定小区，向网络设备发送测量报告并监听指定小区。
其中，测量报告表明终端请求进行服务小区切换。比如，测量报告包含增强的服务小区切换的请求、指定小区的小区信息、支持增强的服务小区切换的能力信息、支持目标小区预配资源的能力信息或用于计算监听指定小区的时间的激活时间偏移值。
S306：网络设备根据测量报告确定目标小区，并控制目标小区向终端发送切换命令。
具体的包括，网络设备根据测量报告确定信道测量值最高的候选小区或测量报告中的指定小区为目标小区。也就是说，目标小区和指定小区为同一候选小区。
S307：目标小区向终端发送切换命令。
S308：终端判断出监听指定小区的时间没有超过预定时间，并接收切换命令。
其中，预定时间可以由终端通过定时器计时，预定时间长度可以由终端在测量报告中携带激活时间偏移值实现。
S309：终端根据切换命令到目标小区进行服务小区切换。
S310：终端向网络设备按照预配信息列表中的内容向网络设备发送切换完成消息。
其中，由于预配信息列表包含有目标小区的资源信息，所以终端完成服务小切换就可以快速反馈网络设备，表明已经完成服务小区切换。
S311：网络设备确认终端完成服务小区切换，并通知切换前的服务小区终端完成服务小区切换。
S312：网络设备向终端发送激活集更新消息。
S313：终端根据激活集更新消息将服务小区从激活集内删除，并将激活集外的小区添加进激活集。
其中，添加进激活集内的小区的信道测量值高于服务小区的信道测量值。
参见图4，是本发明的小区的切换方法第三实施例的流程示意图。
S41：网络设备生成测量控制消息，并向终端发送测量控制消息，以使得终端测量测量控制消息中所指示的待测小区得到每个小区的信道测量值，其中，待测小区至少包括激活集内的候选小区，候选小区为至少一个，且候选小区为终端预配资源。
其中，信道测量值可以为导频信号强度的RSCP值或Ec/No值，还可以是导频信道强度的RSCP值或Ec/No值与CIO值的累加值，导频信号是指在电信网内为测量或监控的目的而发送的信号。激活集中的服务小区是为终端提供HS-DSCH或E-DCH服务的小区，候选小区是没有为终端提供HS-DSCH或E-DCH服务但是与终端建立链路的小区，或者是为终端提供HS-DSCH或E-DCH服务但是作为服务小区的协作小区。激活集外的小区可以是监测集或检测集等集合中的小区。
S42：网络设备接收终端上报的测量报告。
S43：若测量报告由终端根据每个小区的信道测量值判断出任一候选小区触发1D事件后产生，网络设备根据测量报告确定触发1D事件的候选小区为目标小区，并控制目标小区向终端发送切换命令，以使得终端根据切换命令利用目标小区的资源到目标小区进行服务小区切换。
S44：若测量报告由终端根据每个小区的信道测量值判断出任一小区触发除1D事件外的其它同频测量事件后产生，网络设备根据测量报告从信道测量值高于服务小区的候选小区中确定一个目标小区，并控制目标小区向终端发送切换命令，以使得终端根据切换命令利用目标小区的资源到目标小区进行服务小区切换。
其中，终端将根据每个小区的信道测量值判断任一小区是否触发1A事件、1B事件、1C事件、1E事件或1F事件，如果判断为是，则终端将向网络设备上报测量报告。网络设备需要根据测量报告中包含的内容来确定服务小区切换的目标小区。本实施例优选为服务小区触发1B、1C或1F事件。
如果测量报告包括每个小区的信道测量值，那么网络设备需要比对每个信道测量值，或者如果测量报告包括不包含每个小区的信道测量值，只包含每个小区的信道测量值的比对结果，比如每个小区的信道测量值的降序排序关系，那么网络设备不需要比对每个信道测量值，此时，网络设备根据与终端同样的预设规则确定目标小区。预设规则可以要求目标小区为信道测量值高于服务小区的候选小区中信道测量值最高的候选小区、信道测量值高于服务小区的候选小区中加入激活集时间最长的候选小区或者信道测量值高于服务小区的候选小区中最先加入激活集的候选小区。
如果测量报告仅包括一个信道测量值高于服务小区的候选小区的小区信息，该候选小区为终端根据预设规则确定的指定小区，网络设备则直接将该候选小区确定为目标小区。
在本实施例中，网络设备接收终端上报的测量报告的同时或之前，还包括：接收终端上报的能力信息；根据能力信息判断在任一小区触发除1D事件外的其它同频测量事件时终端是否支持增强的服务小区切换或是否支持目标小区预配资源；如果判断到终端支持增强的服务小区切换或支持目标小区预配资源，则进行网络设备根据测量报告从信道测量值高于服务小区的候选小区中确定目标小区的步骤。也就是说，网络设备需要确定终端能够进行增强的服务小区切换，才会确定出目标小区。此外，终端上报的支持服务小区切换的能力信息，还可以包含于测量报告中。
在其他实施例中，当网络设备接收终端上报的测量报告的同时或之前，还包括：接收终端上报的能力信息；根据能力信息判断终端为单接收机终端还是双接收机以及在任一小区触发除1D事件外的其它同频测量事件时终端是否支持增强的服务小区切换或是否支持目标小区预配资源；如果判断到终端是单接收机终端且支持增强的服务小区切换或支持目标小区预配资源，则进行网络设备根据测量报告从信道测量值高于服务小区的候选小区中确定目标小区的步骤。
S45：网络设备接收终端发送的响应切换命令的切换完成消息，并根据切换完成消息确认终端完成服务小区切换。
S46：网络设备向终端下发激活集更新消息，以使得终端根据激活集更新消息将切换前的服务小区从激活集内删除。
其中，如果原服务小区，即进行服务小区切换之前的服务小区触发的是1B或1F事件，那么激活集更新信息用于指示终端将原服务小区从激活集内删除。如果原服务小区触发的是1C事件，那么激活集更新信息用于指示终端将原服务小区从激活集内删除，并将激活集外的比原服务小区的信道测量值高的小区添加进激活集。
S47：如果在控制目标小区向终端发送切换命令之前接收到终端上报的测量报告，则网络设备根据测量报告从信道测量值高于服务小区的候选小区中确定一个新的目标小区，并控制新的目标小区向终端发送切换命令。
其中，终端会周期性进行进行同频测量控制，所以在目标小区发送切换命令之前，有可能再次接收到终端上报的测量报告，说明任一小区触发了任一同频测量事件。其中，终端可先后上报1B、1D事件后触发服务小区切换时，且在1B事件上报后还未收到切换命令前触发1D事件。
其中，网络设备根据测量报告从信道测量值高于服务小区的候选小区中确定新的目标小区。确定新的目标小区可以是和根据上次测量报告确定的目标小区相同。
在其它一些实施例中，小区的切换方法可以只包括S41、S42、S43和S44，而不包括S45、S46和S47。
本发明实施例的小区的切换方法中，网络设备根据终端上报的测量报告确定出目标小区，并控制目标小区向终端发送切换命令，而测量报告用于指示任一小区触发除1D事件外的其它同频测量事件，并且目标小区的信道测量值高于服务小区的信道测量值，从而解决了触发除1D事件外的其它同频测量事件时切换命令的传输成功率得不到改善的问题，又由于目标小区已经为终端预配无线资源，能够减少信令开销，使得服务小区切换过程快速进行。
参见图5，是本发明的终端第一实施例的结构示意图。终端包括接收模块51，测量模块52、监听模块53、上报模块54和切换模块55。接收模块51，测量模块52、监听模块53、上报模块54和切换模块55任意之间均可以相互连接。
接收模块51用于接收网络设备发送的测量控制消息。
测量模块52用于测量测量控制消息中所指示的待测小区得到每个小区的信道测量值，并根据每个小区的信道测量值判断任一候选小区是否触发1D事件或任一小区是否触发除1D事件外的其它同频测量事件，其中，待测小区至少包括激活集内的候选小区，候选小区为至少一个，且候选小区为终端预配资源。信道测量值可以为导频信号强度的RSCP值或Ec/No值，还可以是导频信道强度的RSCP值或Ec/No值与CIO值的累加值，导频信号是指在电信网内为测量或监控的目的而发送的信号。激活集中包含服务小区和候选小区，服务小区是为终端提供HS-DSCH或E-DCH服务的小区，候选小区是没有为终端提供HS-DSCH或E-DCH服务但是与终端建立链路的小区，或者是为终端提供HS-DSCH或E-DCH服务但是作为服务小区的协作小区。激活集外的小区可以是监测集或检测集等集合中的小区。候选小区预配的资源至少包括信道资源、空中接口资源等。
监听模块53用于在测量模块52判断出任一候选小区触发1D事件时，确定触发1D事件的候选小区为目标小区，监听目标小区，以及用于在测量模块判断出任一小区触发除1D事件外的其它同频测量事件时，根据预设规则从信道测量值高于服务小区的候选小区中选择指定小区，并监听指定小区。其中，除1D事件外的其它同频测量事件就是非1D事件。由于指定小区从信道测量值高于服务小区的候选小区中选择，那么无论是服务小区还是候选小区触发非1D事件，都说明服务小区的信道测量值不是最高的。举例来说，当服务小区触发1B事件或1F事件，说明服务小区的信道测量值已经低于某个阈值，并保持了一段时间，比如终端离服务小区越来越远。举例来说，激活集设置有一个门限T以及时间t，该门限T可以是激活集内某个候选小区的信道测量值，也可以是预先设定的某个信道测量值，只要服务小区的信道测量值小于T，并且持续了时间t1，则满足1B事件或1F事件的触发条件，t一般取值为640ms。如果候选小区触发1B或1F事件，说明服务小区的信道测量值高于这个候选小区，但是仍然会低于其它某些候选小区。如果服务小区触发1C事件，说明服务小区是激活集内信道测量值最低的小区，并且激活集外的一个小区的信道测量值要高于服务小区的信道测量值，这种情况保持了一段时间，该时间通常也取值为640ms。如果候选小区触发1C事件，说明该候选小区是激活集内信道测量值最低的小区，但是此时的服务小区却并不是激活集内信道测量值最高的小区。此外，当激活集内的候选小区或激活集外的小区触发1E事件时，也会存在候选小区的信道测量值高于服务小区的情况。
上报模块54用于在测量模块52判断出任一候选小区触发1D事件时，向网络设备上报测量报告，以使网络设备根据测量报告确定触发1D事件的候选小区为目标小区，并控制目标小区向终端发送切换命令，以及用于在测量模块判断出任一小区触发除1D事件外的其它同频测量事件时，向网络设备上报测量报告，以使网络设备根据测量报告从信道测量值高于服务小区的候选小区中确定一个目标小区，并控制目标小区向终端发送切换命令。在本实施例中，目标小区为通信质量最高的候选小区。测量报告可以包括每个小区的信道测量值，那么网络设备需要比对每个信道测量值，或者测量报告包括不包含每个小区的信道测量值，只包含每个小区的信道测量值的比对结果，比如每个小区的信道测量值的降序排序关系，那么网络设备不需要比对每个信道测量值。
在本实施例中，监听模块53确定的指定小区可以为一个，也可以为多个，但目标小区为一个。如果指定小区为一个，则目标小区和指定小区为同一候选小区。如果指定小区为多个，则目标小区为指定小区中的一个。
接收模块51还用于从目标小区接收切换命令。
切换模块55用于根据切换命令利用目标小区的资源到目标小区进行服务小区切换，其中，指定小区为一个或多个，目标小区为指定小区或指定小区中的一个。其中，由于目标小区为监听小区，则监听模块53监听的小区必然包括目标小区，从而切换模块55可以从目标小区接收切换命令。上报模块54上报测量报告后，切换模块55并不能立刻接收到切换命令，而需要监听模块53监听目标小区，以等待目标小区发送切换命令。在本实施例中，切换命令通过物理层发送，例如切换命令是HS-SCCH Order。切换模块55在进行服务小区切换时，由于目标小区已经为终端预配资源，所以切换模块55不需要请求目标小区发送配置资源的信息，只需要接收切换命令，就可以快速完成服务小区切换，减少了信令开销。
本发明实施例的终端中，激活集内的候选小区为终端预配资源，如果任一小区触发除1D事件外的其它同频测量事件，终端从信道测量值高于服务小区的候选小区中确定指定小区并监听指定小区，网络设备从信道测量值高于服务小区的候选小区中确定目标小区并控制目标小区发送切换命令，由于目标小区为指定小区或指定小区中的一个，指定小区的信道测量值高于服务小区的信道测量值，并且目标小区已经为终端预配资源，从而解决触发除1D事件外的其它同频测量事件时切换命令的传输成功率得不到改善的问题，能够减少信令开销，使得服务小区切换过程能够快速进行。
参见图6，是本发明的终端第二实施例的结构示意图。终端包括接收模块61、测量模块62、监听模块63、上报模块64、切换模块65和更新模块66。接收模块61、测量模块62、监听模块63、上报模块64、切换模块65和更新模块66任意之间均可以相互连接。
接收模块61用于接收网络设备发送的测量控制消息。
测量模块62用于测量测量控制消息中所指示的待测小区得到每个小区的信道测量值，并根据每个小区的信道测量值判断任一候选小区是否触发1D事件或任一小区是否触发除1D事件外的其它同频测量事件，其中，待测小区至少包括激活集内的候选小区，候选小区为至少一个，且候选小区为终端预配资源。
监听模块63用于用于在测量模块62判断出任一候选小区触发1D事件时，确定触发1D事件的候选小区为目标小区，监听目标小区，以及用于在测量模块判断出任一小区触发除1D事件外的其它同频测量事件时，根据预设规则从信道测量值高于服务小区的候选小区中选择指定小区，并监听指定小区。
上报模块64用于在测量模块62判断出任一候选小区触发1D事件时，向网络设备上报测量报告，以使网络设备根据测量报告确定触发1D事件的候选小区为目标小区并控制目标小区向终端发送切换命令，以及用于在测量模块62判断出任一小区触发除1D事件外的其它同频测量事件时，向网络设备上报测量报告，以使网络设备根据测量报告从信道测量值高于服务小区的候选小区中确定一个目标小区并控制目标小区向终端发送切换命令。上报模块64还用于在向网络设备上报测量报告的同时或之前，向网络设备上报能力信息，以使得网络设备根据能力信息判断在任一小区触发除1D事件外的其它同频测量事件时终端是否支持服务小区切换或是否支持目标小区预配资源。
切换模块65用于从目标小区接收切换命令，并根据切换命令利用目标小区的资源到目标小区进行服务小区切换，其中，指定小区为一个或多个，目标小区为指定小区或指定小区中的一个。切换模块65还用于在完成服务小区切换后，向网络设备发送响应切换命令的切换完成消息，以使得网络设备根据切换完成消息确认终端完成服务小区切换。
接收模块61还用于从网络设备接收激活集更新消息。
更新模块66用于根据激活集更新消息将切换前的服务小区从激活集内删除。如果原服务小区，即进行服务小区切换之前的服务小区，触发的是1B事件，那么激活集更新信息用于指示更新模块66将原服务小区从激活集内删除。如果原服务小区触发的是1C事件，那么激活集更新信息用于指示更新模块66将原服务小区从激活集内删除，并将激活集外的比原服务小区的信道测量值高的小区添加进激活集。如果是激活集外的小区触发1E事件，并且激活集的容量未达上限，那么更新模块66可根据激活集更新消息将该小区添加到激活集内。如果激活集的容量已达上限，那么更新模块66可根据激活集更新消息将激活集内信道测量值最低的候选小区删除，并将激活集外的该小区添加到激活集内。
具体地，网络设备确定目标小区具有多种实现方式，下面将分情况详细说明。
第一种情况，指定小区为一个。此时测量报告包括指定小区的小区信息，以使得网络设备根据指定小区的小区信息将指定小区确定为目标小区。也就是说，监听模块63确定指定小区时，网络设备并不知道监听模块63将哪个候选小区确定为指定小区，所以上报模块64需要在测量报告中将指定小区的小区信息上报给网络设备。小区信息可以是指定小区的小区扰码或小区标识。
第二种情况，指定小区为一个。此时测量报告包括每个小区的信道测量值，以使得网络设备根据预设规则从信道测量值高于服务小区的候选小区中确定目标小区。由于测量模块62得到每个候选小区的信道测量值，所以可以知道哪些候选小区的信道测量值高于服务小区的信道测量值，从而监听模块63可以按照预设规则确定指定小区。
第三种情况，指定小区为两个以上。此时测量报告也包括每个指定小区的信道测量值，以使得网络设备从至少两个指定小区中确定目标小区。网络设备确定目标小区可以是指定小区中的任意一个，由于指定小区的信道测量值高于服务小区的信道测量值，那么目标小区的信道测量值必然高于服务小区的信道测量值。由于目标小区是指定小区中的一个，所以监听模块63必须监听所有的指定小区，也就必然会监听到目标小区。
在上述第二种和第三种情况中，测量报告也可以包括信道测量值的比对结果，例如第二种情况中，测量报告只包括每个小区的信道测量值的比对结果，，而不携带每个小区的信道测量值，比对结果例如是所有小区的按照信道测量值的降序排序关系，那么网络设备就可以直接从比对结果中知道哪些候选小区的信道测量值比服务小区的信道测量值高，以及哪个候选小区的信道测量值最高。
在上述三种情况中，预设规则可以要求指定小区为信道测量值高于服务小区的候选小区中信道测量值最高的候选小区、信道测量值高于服务小区的候选小区中加入激活集时间最长的候选小区或者信道测量值高于服务小区的候选小区中最先加入激活集的候选小区。若激活集合中的小区的信道测量值最高且相同的小区为至少两个，那么预设规则可以要求指定小区由测量报告中的小区顺序来确定。比如，规定测量结果列表中第N个信道测量值最高的候选小区为指定小区, 其中，1≤N≤m，m为激活集小区数。优选的，指定小区可以为第一个信道测量值最高的候选小区，且这个候选小区的测量结果首先出现或最后出现在测量结果列表中。无论预设规则如何改变，指定小区的信道测量值都必须高于服务小区的信道测量值。由于测量报告包含每个小区的信道测量值，网络设备可以按照与监听模块63同样的预设规则确定目标小区。
在上述三种情况的基础上，测量报告还包括切换请求，切换请求用于使网络设备判断是否控制目标小区向终端发送切换命令。
在本实施例中，在测量模块62判断出任一小区触发除1D事件外的其它同频测量事件，上报模块64还用于在测量报告中构造1D事件的触发标识，以使得网络设备根据触发标识认定指定小区触发1D事件。
在本实施例中，切换模块65具体用于判断是否在预定时间内接收到切换命令，并判断到在预定时间内接收到切换命令，根据切换命令利用目标小区的资源到目标小区进行服务小区切换。监听模块63还用于在切换模块65判断到在预定时间内没有接收到切换命令时，停止监听指定小区。
上报模块64可以在上报测量报告时携带激活时间偏移值，那么预定时间就为上报测量报告时的当前CFN加激活时间偏移值。在无线通信中，特别是在空口同步配置指令中，网络设备一般需要在信令中携带激活时间偏移值，激活时间偏移值指明了同步配置指令中引起终端改变的配置生效的帧号。这里，激活时间偏移值表明监听模块63监听指定小区的时间长度。如果测量报告没有携带激活时间偏移值，监听模块63可以通过定时器计时来确定是否超过预定时间。
进一步地，如果测量模块62在预定时间内判断出任一小区触发同频测量事件，则上报模块64还用于向网络设备上报测量报告。进一步地，如果网络设备根据测量报告确定出的目标小区是激活集内信道测量值最高的候选小区，而上报模块64向网络设备上报测量报告时信道测量值最高的候选小区发生改变，那么网络设备将重新确定出目标小区。
参见图7，是本发明的网络设备第一实施例的结构示意图。网络设备包括发送模块71、接收模块72、处理模块73、更新命令模块74和判断模块75，发送模块71、接收模块72、处理模块73、更新命令模块74和判断模块75任意之间均可以相互连接。在本实施例中，网络设备为RNC（Radio Network Controller，无线网络控制器）。
发送模块71用于向终端发送测量控制消息，以使得终端测量测量控制消息中所指示的待测小区得到每个小区的信道测量值，其中，待测小区至少包括激活集内的候选小区，候选小区为至少一个，且候选小区为终端预配资源。
接收模块72用于接收终端上报的测量报告和终端上报的能力信息，其中，测量报告由终端根据每个小区的信道测量值判断出任一候选小区触发1D事件后产生或判断出任一小区触发除1D事件外的其它同频测量事件后产生。信道测量值可以为导频信号强度的RSCP值或Ec/No值，还可以是导频信道强度的RSCP值或Ec/No值与CIO值的累加值，导频信号是指在电信网内为测量或监控的目的而发送的信号。激活集中包含服务小区和候选小区，服务小区是为终端提供HS-DSCH或E-DCH服务的小区，候选小区是没有为终端提供HS-DSCH或E-DCH服务但是与终端建立链路的小区，或者是为终端提供HS-DSCH或E-DCH服务但是作为服务小区的协作小区。激活集外的小区可以是监测集或检测集等集合中的小区。在其它实施例中，接收模块72可以在接收终端上报的测量报告之前接收终端上报的能力信息。
判断模块75用于根据能力信息判断在任一小区触发除1D事件外的其它同频测量事件时终端是否支持服务小区切换或是否支持目标小区预配资源，即增强的服务小区切换。
处理模块73用于测量报告由终端根据每个小区的信道测量值判断出任一候选小区触发1D事件后产生时，根据测量报告确定触发1D事件的候选小区为目标小区，并控制目标小区向终端发送切换命令，以使得终端根据切换命令利用目标小区的资源到目标小区进行服务小区切换，以及用于测量报告由终端根据每个小区的信道测量值判断出任一小区触发除1D事件外的其它同频测量事件后产生并且判断模块75判断到终端支持服务小区切换或支持目标小区预配资源时，根据测量报告从信道测量值高于服务小区的候选小区中确定一个目标小区，并控制目标小区向终端发送切换命令，以使得终端根据切换命令利用目标小区的资源到目标小区进行服务小区切换。处理模块73需要根据测量报告中包含的内容来确定目标小区。如果测量报告包括每个小区的信道测量值，那么处理模块73需要比对每个信道测量值得到比对结果，再根据预设规则确定目标小区；如果测量报告仅包括一个候选小区的小区信息，处理模块73则直接将该候选小区确定为目标小区。在本实施例中，目标小区为信道测量值最高的候选小区。
接收模块72还用于接收终端发送的响应切换命令的切换完成消息。处理模块73还用于根据切换完成消息确认终端完成服务小区切换。
更新命令模块74用于在处理模块73确认终端完成服务小区切换后，生成激活集更新消息。发送模块用于向终端下发激活集更新消息，以使得终端根据激活集更新消息将切换前的服务小区从激活集内删除。
在本实施例中，如果在处理模块73控制目标小区向终端发送切换命令之前，接收模块72接收到终端上报的测量报告则处理模块73还用于再次从接收模块72接收测量报告，并根据测量报告从信道测量值高于服务小区的候选小区中确定一个新的目标小区，并控制新的目标小区向终端发送切换命令。
在其它一些实施例中，网络设备仅包括发送模块71、接收模块72和处理模块73。发送模块71用于向终端发送测量控制消息，以使得终端测量测量控制消息中所指示的待测小区得到每个小区的信道测量值，其中，待测小区包括激活集内的候选小区，候选小区为至少一个，且候选小区为终端预配资源。接收模块72用于接收终端上报的测量报告。处理模块73用于测量报告由终端根据每个小区的信道测量值判断出任一候选小区触发1D事件后产生时，根据测量报告确定触发1D事件的候选小区为目标小区，并控制目标小区向终端发送切换命令，以使得终端根据切换命令利用目标小区的资源到目标小区进行服务小区切换；以及用于测量报告由终端根据每个小区的信道测量值判断出任一小区触发除1D事件外的其它同频测量事件后产生时，根据测量报告从信道测量值高于服务小区的候选小区中确定一个目标小区，并控制目标小区向终端发送切换命令，以使得终端根据切换命令利用目标小区的资源到目标小区进行服务小区切换。
参见图8，是本发明的终端第三实施例的结构示意图。
终端包括处理器（processer）81、接收器（receiver）82、发送器（emitter）83、随机存取存储器（RAM）84、只读存储器（ROM）85、总线86 以及网络接口单元（Network Interface Unit）87。其中，处理器81 通过总线86 分别耦接接收器82、发送器83、随机存取存储器84、只读存储器85 以及网络接口单元87。其中，当需要运行终端时，通过固化在只读存储器85 中的基本输入输出系统（BIOS）或者嵌入式系统中的boot loader引导系统进行启动，引导终端进入正常运行状态。在终端进入正常运行状态后，在随机存取存储器84 中运行应用程序（Application Programs）和操作系统（OS），使得：
接收器82用于接收网络设备发送的测量控制消息。
处理器81用于测量测量控制消息中所指示的待测小区得到每个小区的信道测量值，并根据每个小区的信道测量值判断任一候选小区是否触发1D事件或任一小区是否触发除1D事件外的其它同频测量事件，其中，待测小区至少包括激活集内的候选小区，候选小区为至少一个，且候选小区为终端预配资源。
处理器81还用于判断出任一候选小区触发1D事件时，确定触发1D事件的候选小区为目标小区，监听目标小区，以及用于在判断出任一小区触发除1D事件外的其它同频测量事件时，根据预设规则从信道测量值高于服务小区的候选小区中选择指定小区，并监听指定小区。在本实施例中，预设规则要求指定小区为信道测量值最高的候选小区或者加入激活集时间最长的候选小区。若激活集合中的小区的信道测量值最高且相同的小区为至少两个，那么预设规则可以要求指定小区由测量报告中的小区顺序来确定。比如，规定测量结果列表中第N个信道测量值最高的候选小区为指定小区, 其中，1≤N≤m，m为激活集小区数。优选的，指定小区可以为第一个信道测量值最高的候选小区，且这个候选小区的测量结果首先出现或最后出现在测量结果列表中。
发送器83用于在处理器81判断出任一候选小区触发1D事件时，向网络设备上报测量报告，以使网络设备根据测量报告确定触发1D事件的候选小区为目标小区并控制目标小区向终端发送切换命令，以及用于在处理器81判断出任一小区触发除1D事件外的其它同频测量事件时，向网络设备上报测量报告，以使网络设备根据测量报告从信道测量值高于服务小区的候选小区中确定一个目标小区并控制目标小区向终端发送切换命令。
接收器82用于从目标小区接收切换命令。
处理器81还用于根据切换命令利用目标小区的资源到目标小区进行服务小区切换。具体地，处理器81用于判断是否在预定时间内接收到切换命令，并判断到在预定时间内接收到切换命令，根据切换命令利用目标小区的资源到目标小区进行服务小区切换。处理器81还用于在接收器82在预定时间内没有接收到切换命令时，停止监听指定小区。进一步地，如果在接收器82接收到切换命令之前，处理器81在预定时间内判断出任一小区触发同频测量事件，则发送器83还用于向网络设备上报测量报告。
在本实施例中，指定小区为一个。则测量报告包括指定小区的小区信息，以使得网络设备根据指定小区的小区信息将指定小区确定为目标小区，或者测量报告包括每个小区的信道测量值，以使得网络设备根据预设规则从信道测量值高于服务小区的候选小区中确定目标小区。在其它实施例中，指定小区为至少两个，则测量报告包括至少两个指定小区的信道测量值，以使得网络设备从至少两个指定小区中确定目标小区。此外，测量报告还可以包括切换请求，以使网络设备根据切换请求判断是否控制目标小区向终端发送切换命令。
在本实施例中，发送器83还用于在处理器81判断出任一小区触发除1D事件外的其它同频测量事件时，在测量报告中构造1D事件的触发标识，以使得网络设备根据触发标识认定指定小区触发1D事件。进一步地，发送器83还用于在向网络设备上报测量报告的同时或之前，向网络设备上报能力信息，以使得网络设备根据能力信息判断在任一小区触发除1D事件外的其它同频测量事件时终端是否支持服务小区切换或是否支持目标小区预配资源。
作为本实施例的一个延伸，接收器82还用于从网络设备接收激活集更新消息。处理器81还用于根据激活集更新消息将切换前的服务小区从激活集内删除。
处理器81、接收器82和发送器83的具体实现过程请参照前述实施例的小区的切换方法和终端，此处不再详述。
参见图9，是本发明的网络设备第二实施例的结构示意图。
网络设备包括处理器（processer）91、接收器（receiver）92、发送器（emitter）93、随机存取存储器（RAM）94、只读存储器（ROM）95、总线96 以及网络接口单元（Network Interface Unit）97。其中，处理器91 通过总线96 分别耦接接收器92、发送器93、随机存取存储器94、只读存储器95 以及网络接口单元97。其中，当需要运行网络设备时，通过固化在只读存储器95 中的基本输入输出系统（BIOS）或者嵌入式系统中的boot loader引导系统进行启动，引导网络设备进入正常运行状态。在网络设备进入正常运行状态后，在随机存取存储器94 中运行应用程序（Application Programs）和操作系统（OS），使得：
处理器91生成测量控制消息。
发送器93用于向终端发送测量控制消息，以使得终端测量测量控制消息中所指示的待测小区得到每个小区的信道测量值，其中，待测小区包括激活集内的候选小区，候选小区为至少一个，且候选小区为终端预配资源。
接收器92用于接收终端上报的测量报告。
若测量报告由终端根据每个小区的信道测量值判断出任一候选小区触发1D事件后产生，处理器91用于根据测量报告确定触发1D事件的候选小区为目标小区，并控制目标小区向终端发送切换命令，以使得终端根据切换命令利用目标小区的资源到目标小区进行服务小区切换；若测量报告由终端根据每个小区的信道测量值判断出任一小区触发除1D事件外的其它同频测量事件后产生，处理器91用于根据测量报告从信道测量值高于服务小区的候选小区中确定一个目标小区，并控制目标小区向终端发送切换命令，以使得终端根据切换命令利用目标小区的资源到目标小区进行服务小区切换。
在本实施例中，接收器92还用于接收终端上报的能力信息。处理器91还用于根据能力信息判断在任一小区触发除1D事件外的其它同频测量事件时终端是否支持服务小区切换或是否支持目标小区预配资源；还用于在判断到终端支持服务小区切换或支持目标小区预配资源时，根据测量报告从信道测量值高于服务小区的候选小区中确定目标小区。
在本实施例中，如果在处理器91控制目标小区向终端发送切换命令之前，接收器92接收到终端上报的测量报告，处理器91还用于再次从接收器91接收测量报告，并根据测量报告从信道测量值高于服务小区的候选小区中确定一个新的目标小区，并控制新的目标小区向终端发送切换命令。
作为本实施例的一个延伸，处理器91还用于生成激活集更新消息。发送器93还用于向终端下发激活集更新消息，以使得终端根据激活集更新消息将切换前的服务小区从激活集内删除。
处理器91、接收器92和发送器93的具体实现过程请参照前述实施例的小区的切换方法和网络设备，此处不再详述。
在本申请所提供的几个实施例中，应该理解到，所揭露的系统，装置和方法，可以通过其它的方式实现。例如，以上所描述的装置实施例仅仅是示意性的，例如，模块或单元的划分，仅仅为一种逻辑功能划分，实际实现时可以有另外的划分方式，例如多个单元或组件可以结合或者可以集成到另一个系统，或一些特征可以忽略，或不执行。另一点，所显示或讨论的相互之间的耦合或直接耦合或通讯连接可以是通过一些接口，装置或单元的间接耦合或通讯连接，可以是电性，机械或其它的形式。
作为分离部件说明的单元可以是或者也可以不是物理上分开的，作为单元显示的部件可以是或者也可以不是物理单元，即可以位于一个地方，或者也可以分布到多个网络单元上。可以根据实际的需要选择其中的部分或者全部单元来实现本实施例方案的目的。
另外，在本申请各个实施例中的各功能单元可以集成在一个处理单元中，也可以是各个单元单独物理存在，也可以两个或两个以上单元集成在一个单元中。上述集成的单元既可以采用硬件的形式实现，也可以采用软件功能单元的形式实现。
集成的单元如果以软件功能单元的形式实现并作为独立的产品销售或使用时，可以存储在一个计算机可读取存储介质中。基于这样的理解，本申请的技术方案本质上或者说对现有技术做出贡献的部分或者该技术方案的全部或部分可以以软件产品的形式体现出来，该计算机软件产品存储在一个存储介质中，包括若干指令用以使得一台计算机设备（可以是个人计算机，管理服务器，或者网络设备等）或处理器（processor）执行本申请各个实施例所述方法的全部或部分步骤。而前述的存储介质包括：U盘、移动硬盘、只读存储器（ROM，Read-Only Memory）、随机存取存储器（RAM，Random Access Memory）、磁碟或者光盘等各种可以存储程序代码的介质。
以上所述仅为本发明的实施例，并非因此限制本发明的专利范围，凡是利用本发明说明书及附图内容所作的等效结构或等效流程变换，或直接或间接运用在其他相关的技术领域，均同理包括在本发明的专利保护范围内。

Claims (54)

  1. 一种小区的切换方法，其特征在于，所述切换方法包括：
    终端接收网络设备发送的测量控制消息，测量所述测量控制消息中所指示的待测小区得到每个小区的信道测量值，其中，所述待测小区至少包括激活集内的候选小区，所述候选小区为至少一个，且所述候选小区为所述终端预配资源；
    若所述终端根据所述每个小区的信道测量值判断任一候选小区触发1D事件，确定触发1D事件的候选小区为目标小区，向所述网络设备上报测量报告并监听所述目标小区，以使所述网络设备根据所述测量报告确定触发1D事件的候选小区为目标小区，并控制所述目标小区向所述终端发送切换命令；
    若所述终端根据所述每个小区的信道测量值判断任一小区触发除1D事件外的其它同频测量事件，根据预设规则从信道测量值高于服务小区的候选小区中选择指定小区，向所述网络设备上报测量报告并监听所述指定小区，以使所述网络设备根据所述测量报告从信道测量值高于所述服务小区的候选小区中确定一个目标小区，并控制所述目标小区向所述终端发送切换命令；
    所述终端从所述目标小区接收所述切换命令，并根据所述切换命令利用所述目标小区的资源到所述目标小区进行服务小区切换，其中，所述指定小区为一个或多个，所述目标小区为所述指定小区或所述指定小区中的一个。
  2. 根据权利要求1所述的切换方法，其特征在于，所述指定小区为一个，所述测量报告包括所述指定小区的小区信息，以使得所述网络设备根据所述指定小区的小区信息将所述指定小区确定为所述目标小区。
  3. 根据权利要求1所述的切换方法，其特征在于，所述指定小区为一个，所述测量报告包括所述每个小区的信道测量值，以使得所述网络设备根据所述预设规则从所述信道测量值高于所述服务小区的候选小区中确定所述目标小区。
  4. 根据权利要求1所述的切换方法，其特征在于，所述指定小区为至少两个，所述测量报告包括所述至少两个指定小区的信道测量值，以使得所述网络设备从所述至少两个指定小区中确定所述目标小区。
  5. 根据权利要求2至4任一项所述的切换方法，其特征在于，所述测量报告还包括切换请求，以使所述网络设备根据所述切换请求判断是否控制所述目标小区向所述终端发送切换命令。
  6. 根据权利要求2至4任一项所述的切换方法，其特征在于，所述预设规则要求所述指定小区为信道测量值最高的候选小区或者加入激活集时间最长的候选小区。
  7. 根据权利要求6所述的切换方法，其特征在于，如果所述信道测量值最高的候选小区为至少两个，所述预设规则要求所述指定小区为所述测量报告中预定位置出现的所述信道测量值最高的候选小区。
  8. 根据权利要求4所述的切换方法，其特征在于，所述预设规则要求所述指定小区为所述测量报告中首先出现或最后出现的所述信道测量值最高的候选小区。
  9. 根据权利要求1所述的切换方法，其特征在于，若所述终端根据所述每个小区的信道测量值判断任一小区触发除1D事件外的其它同频测量事件，则在所述测量报告中构造1D事件的触发标识，以使得所述网络设备根据所述触发标识认定所述指定小区触发1D事件。
  10. 根据权利要求1所述的切换方法，其特征在于，所述向所述网络设备上报测量报告的同时或之前，还包括：
    所述终端向所述网络设备上报能力信息，以使得所述网络设备根据所述能力信息判断在任一小区触发所述除1D事件外的其它同频测量事件时所述终端是否支持所述服务小区切换或是否支持所述目标小区预配资源。
  11. 根据权利要求1所述的切换方法，其特征在于，所述终端从所述目标小区接收所述切换命令，并根据所述切换命令利用所述目标小区的资源到所述目标小区进行服务小区切换的包括：
    所述终端判断是否在预定时间内接收到所述切换命令；
    如果在预定时间内接收到所述切换命令，根据所述切换命令利用所述目标小区的资源到所述目标小区进行服务小区切换。
  12. 根据权利要求11所述的切换方法，其特征在于，所述终端从所述目标小区接收所述切换命令，并根据所述切换命令利用所述目标小区的资源到所述目标小区进行服务小区切换的还包括：
    如果在预定时间内没有接收到所述切换命令，所述终端停止监听所述指定小区。
  13. 根据权利要求11所述的切换方法，其特征在于，在接收到所述切换命令之前，所述切换方法还包括：
    如果在所述预定时间内所述终端判断出任一小区触发同频测量事件，则进行所述终端向所述网络设备上报所述测量报告的。
  14. 根据权利要求1所述的切换方法，其特征在于，所述切换方法还包括：
    所述终端从所述网络设备接收激活集更新消息，并根据所述激活集更新消息将所述切换前的服务小区从所述激活集内删除。
  15. 一种小区的切换方法，其特征在于，所述切换方法包括：
    网络设备生成测量控制消息，并向终端发送所述测量控制消息，以使得所述终端测量所述测量控制消息中所指示的待测小区得到每个小区的信道测量值，其中，所述待测小区至少包括激活集内的候选小区，所述候选小区为至少一个，且所述候选小区为所述终端预配资源；
    所述网络设备接收所述终端上报的测量报告；
    若所述测量报告由所述终端根据所述每个小区的信道测量值判断出任一候选小区触发1D事件后产生，所述网络设备根据所述测量报告确定触发1D事件的候选小区为目标小区，并控制所述目标小区向所述终端发送切换命令，以使得所述终端根据所述切换命令利用所述目标小区的资源到所述目标小区进行服务小区切换；
    若所述测量报告由所述终端根据所述每个小区的信道测量值判断出任一小区触发除1D事件外的其它同频测量事件后产生，所述网络设备根据所述测量报告从信道测量值高于服务小区的候选小区中确定一个目标小区，并控制所述目标小区向所述终端发送切换命令，以使得所述终端根据所述切换命令利用所述目标小区的资源到所述目标小区进行服务小区切换。
  16. 根据权利要求15所述的切换方法，其特征在于，所述网络设备接收终端上报的测量报告的同时或之前，所述切换方法还包括：
    所述网络设备接收所述终端上报的能力信息；
    所述网络设备根据所述能力信息判断在任一小区触发所述除1D事件外的其它同频测量事件时所述终端是否支持所述服务小区切换或是否支持所述目标小区预配资源；
    如果所述网络设备判断到所述终端支持所述服务小区切换或支持所述目标小区预配资源，进行所述网络设备根据所述测量报告从信道测量值高于所述服务小区的候选小区中确定目标小区的步骤。
  17. 根据权利要求15所述的切换方法，其特征在于，所述切换方法还包括：
    如果所述网络设备在控制所述目标小区向所述终端发送切换命令之前接收到所述终端上报的测量报告，则所述网络设备根据所述测量报告从信道测量值高于所述服务小区的候选小区中确定新的目标小区，并控制所述新的目标小区向所述终端发送切换命令。
  18. 根据权利要求15所述的切换方法，其特征在于，所述切换方法还包括：
    所述网络设备向所述终端下发激活集更新消息，以使得所述终端根据所述激活集更新消息将所述切换前的服务小区从所述激活集内删除。
  19. 一种终端，其特征在于，所述终端包括接收模块，测量模块、监听模块、上报模块和切换模块，其中，
    所述接收模块用于接收网络设备发送的测量控制消息；
    所述测量模块，用于测量所述测量控制消息中所指示的待测小区得到每个小区的信道测量值，并根据所述每个小区的信道测量值判断任一候选小区是否触发1D事件或任一小区是否触发除1D事件外的其它同频测量事件，其中，所述待测小区至少包括激活集内的候选小区，所述候选小区为至少一个，且所述候选小区为所述终端预配资源；
    所述监听模块用于在所述测量模块判断出任一候选小区触发1D事件时，确定触发1D事件的候选小区为目标小区，监听所述目标小区，以及用于在所述测量模块判断出任一小区触发除1D事件外的其它同频测量事件时，根据预设规则从信道测量值高于服务小区的候选小区中选择指定小区，并监听所述指定小区；
    所述上报模块，用于在所述测量模块判断出任一候选小区触发1D事件时，向所述网络设备上报测量报告，以使所述网络设备根据所述测量报告确定触发1D事件的候选小区为目标小区并控制所述目标小区向所述终端发送切换命令，以及用于在所述测量模块判断出任一小区触发除1D事件外的其它同频测量事件时，向所述网络设备上报测量报告，以使所述网络设备根据所述测量报告从信道测量值高于所述服务小区的候选小区中确定一个目标小区并控制所述目标小区向所述终端发送切换命令；
    所述接收模块，还用于从所述目标小区接收所述切换命令；
    所述切换模块，用于根据所述切换命令利用所述目标小区的资源到所述目标小区进行服务小区切换，其中，所述指定小区为一个或多个，所述目标小区为所述指定小区或所述指定小区中的一个。
  20. 根据权利要求19所述的终端，其特征在于，所述指定小区为一个，所述测量报告包括所述指定小区的小区信息，以使得所述网络设备根据所述指定小区的小区信息将所述指定小区确定为所述目标小区。
  21. 根据权利要求19所述的终端，其特征在于，所述指定小区为一个，所述测量报告包括所述每个小区的信道测量值，以使得所述网络设备根据所述预设规则从所述信道测量值高于所述服务小区的候选小区中确定所述目标小区。
  22. 根据权利要求19所述的终端，其特征在于，所述指定小区为至少两个，所述测量报告包括所述至少两个指定小区的信道测量值，以使得所述网络设备从所述至少两个指定小区中确定所述目标小区。
  23. 根据权利要求20至22任一项所述的终端，其特征在于，所述测量报告还包括切换请求，以使所述网络设备根据所述切换请求判断是否控制所述目标小区向所述终端发送切换命令。
  24. 根据权利要求20至22任一项所述的终端，其特征在于，所述预设规则要求所述指定小区为信道测量值最高的候选小区或者加入激活集时间最长的候选小区。
  25. 根据权利要求24所述的终端，其特征在于，如果所述信道测量值最高的候选小区为至少两个，所述预设规则要求所述指定小区为所述测量报告中预定位置出现的所述信道测量值最高的候选小区。
  26. 根据权利要求25所述的终端，其特征在于，所述预设规则要求所述指定小区为所述测量报告中首先出现或最后出现的所述信道测量值最高的候选小区。
  27. 根据权利要求19所述的终端，其特征在于，若所述测量模块判断出任一小区触发除1D事件外的其它同频测量事件，所述上报模块还用于在所述测量报告中构造1D事件的触发标识，以使得所述网络设备根据所述触发标识认定所述指定小区触发1D事件。
  28. 根据权利要求19所述的终端，其特征在于，所述上报模块还用于在向所述网络设备上报测量报告的同时或之前，向所述网络设备上报能力信息，以使得所述网络设备根据所述能力信息判断在任一小区触发所述除1D事件外的其它同频测量事件时所述终端是否支持所述服务小区切换或是否支持目标小区预配资源。
  29. 根据权利要求19所述的终端，其特征在于，所述切换模块具体用于判断是否在预定时间内接收到所述切换命令，并判断到在预定时间内接收到所述切换命令，根据所述切换命令利用所述目标小区的资源到所述目标小区进行服务小区切换。
  30. 根据权利要求29所述的终端，其特征在于，所述监听模块还用于在所述切换模块判断到在预定时间内没有接收到所述切换命令时，停止监听所述指定小区。
  31. 根据权利要求29所述的终端，其特征在于，如果在所述切换模块接收到所述切换命令之前，所述测量模块在所述预定时间内判断出任一小区触发同频测量事件，则所述上报模块还用于向所述网络设备上报所述测量报告。
  32. 根据权利要求19所述的终端，其特征在于，
    所述接收模块，还用于从所述网络设备接收激活集更新消息；
    所述终端还包括更新模块，用于根据所述激活集更新消息将所述切换前的服务小区从所述激活集内删除。
  33. 一种网络设备，其特征在于，所述网络设备包括发送模块、接收模块和处理模块，其中，
    所述发送模块用于向终端发送测量控制消息，以使得所述终端测量所述测量控制消息中所指示的待测小区得到每个小区的信道测量值，其中，所述待测小区包括激活集内的候选小区，所述候选小区为至少一个，且所述候选小区为所述终端预配资源；
    所述接收模块用于接收所述终端上报的测量报告；
    若所述测量报告由所述终端根据所述每个小区的信道测量值判断出任一候选小区触发1D事件后产生，所述处理模块用于根据所述测量报告确定触发1D事件的候选小区为目标小区，并控制所述目标小区向所述终端发送切换命令，以使得所述终端根据所述切换命令利用所述目标小区的资源到所述目标小区进行服务小区切换；
    若所述测量报告由所述终端根据所述每个小区的信道测量值判断出任一小区触发除1D事件外的其它同频测量事件后产生，所述处理模块用于根据所述测量报告从信道测量值高于服务小区的候选小区中确定一个目标小区，并控制所述目标小区向所述终端发送切换命令，以使得所述终端根据所述切换命令利用所述目标小区的资源到所述目标小区进行服务小区切换。
  34. 根据权利要求33所述的网络设备，其特征在于，所述网络设备还包括判断模块，其中，
    所述接收模块用于在接收所述终端上报的测量报告的同时或之前，接收所述终端上报的能力信息；
    所述判断模块用于根据所述能力信息判断在任一小区触发所述除1D事件外的其它同频测量事件时所述终端是否支持所述服务小区切换或是否支持所述目标小区预配资源；
    所述处理模块还用于在所述判断模块判断到所述终端支持所述服务小区切换或支持所述目标小区预配资源时，根据所述测量报告从信道测量值高于所述服务小区的候选小区中确定目标小区。
  35. 根据权利要求33所述的网络设备，其特征在于，如果在所述处理模块控制所述目标小区向所述终端发送切换命令之前，所述接收模块接收到所述终端上报的测量报告，所述处理模块还用于再次从所述接收模块接收所述测量报告，并根据所述测量报告从信道测量值高于所述服务小区的候选小区中确定一个新的目标小区，并控制所述新的目标小区向所述终端发送切换命令。
  36. 根据权利要求33所述的网络设备，其特征在于，所述网络设备还包括更新命令模块，所述更新命令模块用于生成激活集更新消息；
    所述发送模块用于向所述终端下发所述激活集更新消息，以使得所述终端根据所述激活集更新消息将所述切换前的服务小区从所述激活集内删除。
  37. 一种终端，其特征在于，所述终端包括处理器，接收器和发送器，其中，
    所述接收器，用于接收网络设备发送的测量控制消息；
    所述处理器，用于测量所述测量控制消息中所指示的待测小区得到每个小区的信道测量值，并根据所述每个小区的信道测量值判断任一候选小区是否触发1D事件或任一小区是否触发除1D事件外的其它同频测量事件，其中，所述待测小区至少包括激活集内的候选小区，所述候选小区为至少一个，且所述候选小区为所述终端预配资源；
    所述处理器，还用于判断出任一候选小区触发1D事件时，确定触发1D事件的候选小区为目标小区，监听所述目标小区，以及用于在判断出任一小区触发除1D事件外的其它同频测量事件时，根据预设规则从信道测量值高于服务小区的候选小区中选择指定小区，并监听所述指定小区；
    所述发送器，用于在所述处理器判断出任一候选小区触发1D事件时，向所述网络设备上报测量报告，以使所述网络设备根据所述测量报告确定触发1D事件的候选小区为目标小区并控制所述目标小区向所述终端发送切换命令，以及用于在所述处理器判断出任一小区触发除1D事件外的其它同频测量事件时，向所述网络设备上报测量报告，以使所述网络设备根据所述测量报告从信道测量值高于所述服务小区的候选小区中确定一个目标小区并控制所述目标小区向所述终端发送切换命令；
    所述接收器，还用于从所述目标小区接收所述切换命令；
    所述处理器，还用于根据所述切换命令利用所述目标小区的资源到所述目标小区进行服务小区切换，其中，所述指定小区为一个或多个，所述目标小区为所述指定小区或所述指定小区中的一个。
  38. 根据权利要求37所述的终端，其特征在于，所述指定小区为一个，所述测量报告包括所述指定小区的小区信息，以使得所述网络设备根据所述指定小区的小区信息将所述指定小区确定为所述目标小区。
  39. 根据权利要求37所述的终端，其特征在于，所述指定小区为一个，所述测量报告包括所述每个小区的信道测量值，以使得所述网络设备根据所述预设规则从所述信道测量值高于所述服务小区的候选小区中确定所述目标小区。
  40. 根据权利要求37所述的终端，其特征在于，所述指定小区为至少两个，所述测量报告包括所述至少两个指定小区的信道测量值，以使得所述网络设备从所述至少两个指定小区中确定所述目标小区。
  41. 根据权利要求38至40任一项所述的终端，其特征在于，所述测量报告还包括切换请求，以使所述网络设备根据所述切换请求判断是否控制所述目标小区向所述终端发送切换命令。
  42. 根据权利要求38至40任一项所述的终端，其特征在于，所述预设规则要求所述指定小区为信道测量值最高的候选小区或者加入激活集时间最长的候选小区。
  43. 根据权利要求42所述的终端，其特征在于，如果所述信道测量值最高的候选小区为至少两个，所述预设规则要求所述指定小区为所述测量报告中预定位置出现的所述信道测量值最高的候选小区。
  44. 根据权利要求43所述的终端，其特征在于，所述预设规则要求所述指定小区为所述测量报告中首先出现或最后出现的所述信道测量值最高的候选小区。
  45. 根据权利要求37所述的终端，其特征在于，若所述处理器判断出任一小区触发除1D事件外的其它同频测量事件，所述发送器，还用于在所述测量报告中构造1D事件的触发标识，以使得所述网络设备根据所述触发标识认定所述指定小区触发1D事件。
  46. 根据权利要求37所述的终端，其特征在于，所述发送器，还用于在向所述网络设备上报测量报告的同时或之前，向所述网络设备上报能力信息，以使得所述网络设备根据所述能力信息判断在任一小区触发所述除1D事件外的其它同频测量事件时所述终端是否支持所述服务小区切换或是否支持目标小区预配资源。
  47. 根据权利要求37所述的终端，其特征在于，所述处理器具体用于判断是否在预定时间内接收到所述切换命令，并判断到在预定时间内接收到所述切换命令，根据所述切换命令利用所述目标小区的资源到所述目标小区进行服务小区切换。
  48. 根据权利要求47所述的终端，其特征在于，所述处理器还用于在所述接收器在预定时间内没有接收到所述切换命令时，停止监听所述指定小区。
  49. 根据权利要求47所述的终端，其特征在于，如果在所述接收器接收到所述切换命令之前，所述处理器在所述预定时间内判断出任一小区触发同频测量事件，则所述发送器还用于向所述网络设备上报所述测量报告。
  50. 根据权利要求37所述的终端，其特征在于，
    所述接收器，还用于从所述网络设备接收激活集更新消息；
    所述处理器，还用于根据所述激活集更新消息将所述切换前的服务小区从所述激活集内删除。
  51. 一种网络设备，其特征在于，所述网络设备包括发送器、接收器和处理器，其中，
    所述发送器，用于向终端发送测量控制消息，以使得所述终端测量所述测量控制消息中所指示的待测小区得到每个小区的信道测量值，其中，所述待测小区包括激活集内的候选小区，所述候选小区为至少一个，且所述候选小区为所述终端预配资源；
    所述接收器，用于接收所述终端上报的测量报告；
    若所述测量报告由所述终端根据所述每个小区的信道测量值判断出任一候选小区触发1D事件后产生，所述处理器用于根据所述测量报告确定触发1D事件的候选小区为目标小区，并控制所述目标小区向所述终端发送切换命令，以使得所述终端根据所述切换命令利用所述目标小区的资源到所述目标小区进行服务小区切换；
    若所述测量报告由所述终端根据所述每个小区的信道测量值判断出任一小区触发除1D事件外的其它同频测量事件后产生，所述处理器用于根据所述测量报告从信道测量值高于服务小区的候选小区中确定一个目标小区，并控制所述目标小区向所述终端发送切换命令，以使得所述终端根据所述切换命令利用所述目标小区的资源到所述目标小区进行服务小区切换。
  52. 根据权利要求51所述的网络设备，其特征在于，其中，
    所述接收器，还用于接收所述终端上报的能力信息；
    所述处理器，还用于根据所述能力信息判断在任一小区触发所述除1D事件外的其它同频测量事件时所述终端是否支持所述服务小区切换或是否支持所述目标小区预配资源；还用于在判断到所述终端支持所述服务小区切换或支持所述目标小区预配资源时，根据所述测量报告从信道测量值高于所述服务小区的候选小区中确定目标小区。
  53. 根据权利要求51所述的网络设备，其特征在于，如果在所述处理器控制所述目标小区向所述终端发送切换命令之前，所述接收器接收到所述终端上报的测量报告，所述处理器，还用于再次从所述接收器接收所述测量报告，并根据所述测量报告从信道测量值高于所述服务小区的候选小区中确定一个新的目标小区，并控制所述新的目标小区向所述终端发送切换命令。
  54. 根据权利要求51所述的网络设备，其特征在于，
    所述处理器，还用于生成激活集更新消息；
    所述发送器，还用于向所述终端下发所述激活集更新消息，以使得所述终端根据所述激活集更新消息将所述切换前的服务小区从所述激活集内删除。
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MX2016003076A (es) 2016-05-26
EP3035736A4 (en) 2016-09-07
WO2015032091A1 (zh) 2015-03-12
US20180352494A1 (en) 2018-12-06
CN104756550A (zh) 2015-07-01
US10075889B2 (en) 2018-09-11
RU2625165C1 (ru) 2017-07-12
BR112016005185B1 (pt) 2022-12-13
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