WO2011150656A1 - 异频测量配置下发方法和装置 - Google Patents

异频测量配置下发方法和装置 Download PDF

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Publication number
WO2011150656A1
WO2011150656A1 PCT/CN2010/080649 CN2010080649W WO2011150656A1 WO 2011150656 A1 WO2011150656 A1 WO 2011150656A1 CN 2010080649 W CN2010080649 W CN 2010080649W WO 2011150656 A1 WO2011150656 A1 WO 2011150656A1
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WIPO (PCT)
Prior art keywords
measurement configuration
enb
inter
frequency
measurement
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PCT/CN2010/080649
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English (en)
French (fr)
Inventor
王鑫岗
游佳莹
景晓玺
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中兴通讯股份有限公司
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Application filed by 中兴通讯股份有限公司 filed Critical 中兴通讯股份有限公司
Priority to US13/582,879 priority Critical patent/US8477657B2/en
Priority to AU2010354497A priority patent/AU2010354497B2/en
Priority to EP10852451.3A priority patent/EP2536206B1/en
Priority to JP2012557382A priority patent/JP5459690B2/ja
Priority to CA2793051A priority patent/CA2793051C/en
Publication of WO2011150656A1 publication Critical patent/WO2011150656A1/zh

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Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W36/00Hand-off or reselection arrangements
    • H04W36/0005Control or signalling for completing the hand-off
    • H04W36/0083Determination of parameters used for hand-off, e.g. generation or modification of neighbour cell lists
    • H04W36/0085Hand-off measurements
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W36/00Hand-off or reselection arrangements
    • H04W36/0005Control or signalling for completing the hand-off
    • H04W36/0055Transmission or use of information for re-establishing the radio link
    • H04W36/0058Transmission of hand-off measurement information, e.g. measurement reports

Definitions

  • the present invention relates to the field of Long Term Evolution (LTE), and in particular, to an inter-frequency measurement configuration delivery method and apparatus.
  • LTE Long Term Evolution
  • the UE when the User Equipment (UE) receives a Radio Resource Control (RRC) connection reconfiguration (RRC Connection Reconfiguration) message, the mobility control information is included and the inter-frequency handover or the inter-frequency RRC is performed.
  • RRC Radio Resource Control
  • RRC Connection Reconfiguration Radio Resource Control
  • the measldld connected to the measld is the carrier frequency of the source side cell (referred to as the S side cell);
  • the measld is connected to the measObjectld corresponding to the D-side cell carrier frequency;
  • measld is connected to the measObjectld corresponding to the S-side cell carrier frequency
  • the received RRC connection reconfiguration message includes measConfig; 2> perform measurement configuration in the RRC connection reconfiguration message; This action is referred to herein as a Swap action. It is known by the protocol that it is a mandatory action for the UE to perform inter-frequency handover and re-establishment of the inter-frequency RRC connection. Table 1 and Table 2 show examples of measurement configurations before the UE performs the Swap action and after the Swap action.
  • the first cell and the second cell are inter-frequency neighboring cells, and the UE initially accesses the first cell, and the measurement configuration of the UE is the same as the measurement configuration of the first cell.
  • the UE When performing inter-frequency handover or inter-frequency RRC connection re-establishment, the UE performs the above Swap action.
  • the second cell side performs the Swap action and saves the measurement configuration of the first cell, so that the measurement configuration of the UE is consistent with the measurement configuration of the second cell, and the measurement configuration is not sent in the RRC connection reconfiguration message.
  • Table 1 Example of measurement configuration saved by the UE before inter-frequency handover and inter-frequency RRC connection re-establishment
  • the above method can reduce the XI port signaling and improve the system efficiency, but it does not consider the D-side cell self-configuration. Therefore, problems may occur in the following cases: Assuming that there are three cells, cell_0 will be cell-1, cell – 2 is the neighboring area, and the frequency of the three neighboring areas is different. The UE initially accesses the cell—0, and the inter-frequency handover/inter-frequency RRC connection is re-established to the cell-1. If cell-1 does not use cell_0 as a neighboring cell, the frequency of the cell_0 cell is not configured as a different frequency point.
  • the cell O does not support the Inter Cell Interference Coordination (ICIC) function.
  • the cell-1 supports the ICIC function and needs to send ICIC-related measurement events to all UEs accessing the cell to solve the same-frequency interference problem. Since the cell-0 does not configure the ICIC-related measurement event for the UE, after the handover or RRC connection re-establishment, the UE will not have the ICIC-related measurement event, and the cell-1 will not send the ICIC to prevent the same-frequency interference to all UEs accessing the cell. the goal of. After the above-mentioned four scenarios can cause the inter-frequency handover or the inter-frequency RRC connection to be re-established, the UE lacks the measurement configuration or the measurement configuration is unavailable. The base station and the UE-like SWAP action can only resolve the configuration consistency, and cannot guarantee the measurement configuration. The correctness.
  • An object of the present invention is to provide a method and apparatus for transmitting an inter-frequency measurement configuration, which can correctly deliver an inter-frequency measurement configuration, and better solve the problem that the UE lacks a measurement configuration or a measurement configuration is unavailable.
  • an inter-frequency measurement configuration issuance method includes: an evolved node (eNB) performs a Swap action on a measurement configuration replica formed according to a measurement configuration to obtain a first measurement configuration;
  • the configuration and user terminal (UE) capability generates a second measurement configuration and compares with the first measurement configuration; when the first measurement configuration is the same as the second measurement configuration, the measurement configuration is not filled in the control message; when the first measurement configuration is When measuring the part of the configuration, the measurement message will have more measurements on the target side.
  • eNB evolved node
  • UE user terminal
  • the configuration is placed in the increase list; when the first measurement configuration is different from the second measurement configuration, the first measurement configuration is placed in the deletion list in the control message, and the second measurement configuration is placed in the increase list; and the eNB according to the control message
  • the UE sends a radio resource control (RRC) connection reconfiguration message.
  • the inter-frequency measurement configuration is an inter-frequency handover measurement configuration or an inter-frequency RRC connection re-establishment measurement configuration.
  • the method further includes: before the step of performing the first measurement configuration by the eNB to perform the Swap action on the measurement configuration copy formed by the measurement configuration, when the inter-frequency measurement configuration is sent to the inter-frequency handover measurement configuration in the eNB, the method further includes: The eNB receives the measurement report reported by the UE, determines that the inter-frequency handover is performed according to the measurement report, and copies the measurement configuration into a measurement configuration copy to save;
  • the control message is an RRC connection reconfiguration message.
  • the measurement configuration delivery mode is the intra-eNB handover delivery mode.
  • the method includes: The side eNB receives the measurement report reported by the UE, and determines that the inter-frequency handover is performed, and the decision-making inter-frequency handover mode X2 or S1; the step of the eNB performing the Swap action on the measurement configuration replica formed according to the measurement configuration to obtain the first measurement configuration includes: The current measurement configuration is formed into a measurement configuration copy and transmitted to the target side eNB; the target side eNB performs a Swa action on the source side measurement configuration copy to obtain a first measurement configuration; the control message is a handover command; The step of generating the second measurement configuration by the eNB includes: the target eNB generates the second measurement configuration according to the configuration and the user terminal (UE) capability, and saves the eNB connection reconfiguration message to the UE according to the control message
  • the source side eNB generates and delivers an RRC connection reconfiguration message according to the handover command, and the measurement configuration delivery mode is an X2 handover delivery mode and an S1 handover delivery mode.
  • the eNB performs a Swap action on the measurement configuration replica formed according to the measurement configuration to obtain the first measurement configuration, where the UE sends the inter-frequency RRC connection re-establishment to the eNB.
  • the eNB performs a Swap action on the saved source side measurement configuration copy to obtain a first measurement configuration; the control command is an RRC connection reconfiguration message.
  • the measurement configuration delivery mode is an inter-frequency RRC connection reestablishment delivery mode.
  • an inter-frequency measurement configuration issuance device comprising: a Swap action unit, configured to: perform a Swap action on a source side measurement configuration copy, generate a first measurement configuration, and a measurement configuration is sent to the measurement configuration comparison unit connected thereto; the measurement configuration generation unit is configured to generate a second measurement configuration according to the relevant configuration of the eNB and the UE capability, and send the second measurement configuration to the measurement configuration connected thereto a comparison unit; a measurement configuration comparison unit configured to: receive and compare the first measurement configuration and the second measurement configuration, fill in the control message according to the comparison result, and transmit the control message to the measurement configuration sending unit connected thereto; When a measurement configuration is the same as the second measurement configuration, the measurement configuration is not filled in the control message; when the first measurement configuration is part of the second measurement configuration, the measurement configuration of the target side is placed in the increase list in the control message; When the first measurement configuration is different from the second measurement configuration, the first measurement configuration is included in the control message Delete list into the second list of the
  • the inter-frequency measurement configuration is an inter-frequency handover measurement configuration or an inter-frequency RRC connection re-establishment measurement configuration.
  • the Swap action unit is further configured to: the eNB receives the measurement report reported by the UE, determines that the inter-frequency handover is performed according to the measurement report, and The measurement configuration is copied into a measurement configuration copy;
  • the control message is an RRC connection reconfiguration message.
  • the measurement configuration sending unit sends an RRC connection reconfiguration message to the UE
  • the measurement configuration delivery mode is the intra-eNB handover delivery mode.
  • the Swap action unit is further configured to: the source-side eNB receives the measurement report reported by the UE, and determines that the inter-frequency handover is performed, and the decision-making is different. Frequency switching mode X2 or S1; the Swap action unit is configured to perform a Swap action on a measurement configuration copy formed according to the measurement configuration to obtain a first measurement configuration: when the device is on the source side eNB, the current measurement is performed.
  • the measurement configuration generation unit is configured to generate a second measurement configuration according to the self configuration and the UE capability in the following manner: when the device is in the target side eNB, generate a second measurement configuration according to the self configuration and the UE capability, and save the measurement configuration;
  • the sending unit is configured to send an RRC connection reconfiguration message to the UE according to the control message as follows: when the measurement configuration sending unit is in the target side eNB The handover command transferred to the source eNB side, the measurement configuration when the eNB source side transmission unit, and delivers the generated RRC connection reconfiguration message according to the handover command.
  • the Swap action unit is configured to perform a Swap action on the measurement configuration replica formed according to the measurement configuration to obtain a first measurement configuration: After the inter-frequency RRC connection re-establishment request is sent and the response is received, the saved source-side measurement configuration copy is swapped to obtain the first measurement configuration;
  • the control command is an RRC connection reconfiguration message.
  • the measurement configuration sending unit is configured to send an RRC connection reconfiguration message by using an inter-frequency RRC connection reestablishment manner.
  • the method and the device of the present invention can make the measurement configuration of the cell where the UE is located after the inter-frequency handover or the inter-frequency RRC connection is re-established, and is consistent with the measurement configuration of the UE, in some scenarios. It can also reduce XI port signaling.
  • FIG. 1 is a process flow diagram of an intra-eNB inter-frequency handover measurement configuration according to an embodiment of the present invention
  • FIG. 2 is a flowchart of processing an inter-eNB X2 inter-frequency handover measurement configuration according to an embodiment of the present invention
  • FIG. 4 is a flowchart of a process for performing an inter-eNB S1 inter-frequency handover measurement configuration according to an embodiment of the present invention
  • FIG. 4 is a flowchart of a process for performing an inter-frequency RRC connection reestablishment measurement configuration according to an embodiment of the present invention
  • FIG. 6 is a schematic diagram of a method for transmitting an inter-frequency measurement configuration according to the present invention.
  • the method for transmitting an inter-frequency measurement configuration of the present invention includes: an evolved node (eNB) performs a Swap action on a measurement configuration replica formed according to a measurement configuration to obtain a first measurement configuration;
  • the user equipment (UE) capability generates a second measurement configuration and compares with the first measurement configuration; when the first measurement configuration is the same as the second measurement configuration, the measurement configuration is not filled in the control message; when the first measurement configuration is the second
  • the measurement configuration of the target side is placed in the increase list in the control message; when the first measurement configuration is different from the second measurement configuration, the control message will be The first measurement configuration is placed in the deletion list, and the second measurement configuration is placed in the increase list; and the eNB sends a radio resource control (RRC)
  • RRC radio resource control
  • the inter-frequency measurement configuration is an inter-frequency handover measurement configuration or an inter-frequency RRC connection re-establishment measurement configuration.
  • the eNB performs the SWAP action on the measurement configuration replica formed according to the measurement configuration to obtain the first measurement configuration, and the method further The method includes: the eNB receives the measurement report reported by the UE, determines that the inter-frequency handover is performed according to the measurement report, and copies the measurement configuration into a measurement configuration copy to save;
  • the control message is an RRC connection reconfiguration message.
  • the eNB sends an RRC connection reconfiguration message to the UE, and the measurement configuration delivery mode is an intra-eNB handover delivery mode.
  • the eNB When the inter-frequency measurement configuration is sent to the inter-eNB inter-frequency handover measurement configuration, the eNB includes a step of performing a SWap action on the measurement configuration replica formed according to the measurement configuration to obtain a first measurement configuration, where the method includes The source side eNB receives the measurement report reported by the UE, and determines that the inter-frequency handover is performed, and the decision-making inter-frequency handover mode X2 or S1; the step of the eNB performing the Swap action on the measurement configuration replica formed according to the measurement configuration to obtain the first measurement configuration includes: The side eNB forms a measurement configuration copy and transmits the measurement configuration to the target side eNB; the target side eNB performs a Swa action on the source side measurement configuration copy to obtain a first measurement configuration; the control message is a handover command;
  • the step of the eNB generating the second measurement configuration according to the self-configuration and the UE capability includes: the target
  • the second measurement configuration is configured and saved.
  • the step of the eNB transmitting the RRC connection reconfiguration message to the UE according to the control message includes: Go to the source eNB side, the eNB generates a source side and delivers the RRC connection reconfiguration message according to the handover command.
  • the source side eNB generates and delivers an RRC connection reconfiguration message according to the handover command, and measures
  • the configuration mode is the delivery mode of the X2 switch and the delivery mode of the S1 switch.
  • the eNB After the connection reestablishment request is received and the response is received, the eNB performs a Swap action on the saved source side measurement configuration copy to obtain a first measurement configuration; the control command is an RRC connection reconfiguration message.
  • the eNB sends the RRC connection reconfiguration message, and the measurement configuration delivery mode is the inter-frequency RRC connection re-establishment delivery mode.
  • the method for transmitting the inter-frequency measurement configuration is applied to the inter-frequency handover measurement configuration in the inter-frequency measurement configuration, and the inter-frequency measurement configuration is sent to the inter-eNB.
  • the inter-frequency handover measurement configuration is delivered, and the inter-frequency measurement configuration is sent to the RRC connection re-establishment measurement configuration delivery process.
  • 1 is a process flow of an intra-eNB inter-frequency handover measurement configuration according to an embodiment of the present invention. As shown in FIG. 1 , the steps are as follows: The eNB receives a measurement report reported by the UE, and determines an inter-frequency handover according to the measurement report.
  • the current measurement configuration sent from the side cell is copied to the measurement configuration copy; the eNB performs the Swa action on the measurement configuration copy to obtain the first measurement configuration after the Swap; the eNB is configured according to its own configuration, such as the frequency point and the ICIC function, and the UE capability is supported.
  • the second measurement configuration is generated by the frequency band and the different frequency difference system, and compared with the first measurement configuration; when the first measurement configuration is the same as the second measurement configuration, the measurement configuration is not filled in the RRC connection reconfiguration message; When the configuration is part of the second measurement configuration, the measurement configuration of the target side is placed in the increase list in the RRC connection reconfiguration message; when the first measurement configuration is different from the second measurement configuration (including completely different, and the same part is different) In the RRC connection reconfiguration message, the first measurement configuration is placed in the deletion list, and the second measurement configuration is placed in the addition list; The eNB sends an RRC connection reconfiguration message to the UE.
  • the above measurement configuration, the first measurement configuration, and the second measurement configuration each include a measurement identifier (MeasID), a measurement object identifier (MeasObjectID), a measurement object (MeasObject), a notification configuration identifier (ReportConfigID), and a report configuration (ReportConfig).
  • a measurement identifier MeasID
  • MeasObjectID measurement object identifier
  • ReportConfigID a notification configuration identifier
  • ReportConfig report configuration
  • the measurement ⁇ report fills in the cell-1 neighboring area information
  • the eNB determines that the neighbor cell 1+1 reported by the UE is a cell in the local eNB, initiates intra-eNB handover, and the eNB copies the current measurement configuration into a measurement configuration copy, and performs a Swap action to generate a first measurement configuration;
  • the measurement configuration is the measurement configuration on the cell-0 side;
  • cell_l generates a second measurement configuration according to its related configuration and UE capability, and compares with the first measurement configuration
  • the measurement configuration is not filled in the RRC connection reconfiguration message
  • the eNB sends an RRC connection reconfiguration message to the UE.
  • the measurement configuration is identical, the measurement configuration is not required in the RRC connection reconfiguration message, and therefore, the signaling of the XI port is reduced.
  • 2 is a process flow of an inter-eNB X2 inter-frequency handover measurement configuration provided by an embodiment of the present invention
  • FIG. 3 is a flowchart showing a processing flow of an inter-eNB S1 inter-frequency handover measurement configuration according to an embodiment of the present invention, as shown in FIG. 2 and FIG. As shown, the two eNBs are the eNB-S on the source side and the eNB-D on the target side.
  • the inter-eNB handover procedure is as follows: The eNB-S receives the measurement report reported by the UE, and determines the inter-frequency handover mode X2 or S1. Passing the current source-side measurement configuration to form a measurement configuration copy to the eNB-D. If the S1 handover is performed, the eNB-D receives the source-side measurement configuration copy sent by the eNB-S through the Mobility Management Entity (MME); The eNB-D performs the Swap action on the source side measurement configuration copy to obtain the first measurement configuration. The eNB-D generates the second measurement configuration according to its own configuration, such as the frequency point and the ICIC function, and the UE capability, such as the supported frequency band and the different frequency system.
  • MME Mobility Management Entity
  • the handover command is forwarded to the eNB-S, and the eNB-S generates an RRC connection reconfiguration message according to the handover command, and is delivered to the UE through the XI port between the UE and the eNB-S.
  • the above measurement configuration, the first measurement configuration, and the second measurement configuration each include a measurement identifier (MeasID), a measurement object identifier (MeasObjectlD), a measurement object (MeasObject), a notification configuration identifier (ReportConfigID), and a report configuration (ReportConfig).
  • a measurement identifier MeasID
  • MeasObjectlD measurement object identifier
  • MeasObject measurement object identifier
  • ReportConfigID a notification configuration identifier
  • ReportConfig report configuration
  • the measurement ⁇ report fills in the cell-1 neighboring area information
  • the eNB-S judges that the neighboring cell cell-1 is a neighboring cell in the eNB-D, and initiates an X2 handover;
  • the eNB-S saves the current measurement configuration and copies it into a measurement configuration copy, and the measurement configuration copy is transmitted to the eNB-D along with the handover preparation request message; the eNB-D obtains the measurement configuration copy transmitted from the eNB-S as a Swap.
  • the first measurement configuration, and the self-configuration, such as the frequency point and the ICIC function, the UE capability, such as the supported frequency band and the different frequency system, generate a second measurement configuration, and compare the first measurement configuration and the second measurement configuration;
  • FIG. 4 is a flowchart showing the processing procedure of the inter-frequency RRC connection reestablishment measurement configuration provided by the embodiment of the present invention. As shown in FIG. 4, if the inter-frequency handover from cell 0 to cell-1 fails, the cell-1 is stored in the eNB-D. The UE context information including the measurement configuration information is used. At this time, the process of re-establishing the inter-frequency RRC connection is as follows:
  • the UE sends an RRC connection re-establishment request to the eNB-D; the eNB-D performs the Swap action to obtain the first measurement configuration; the eNB-D configures the frequency band and the ICIC function according to its own configuration, and the UE capability, such as the supported frequency band and the different Generating a second measurement configuration and storing the same; and comparing the first measurement configuration with the second measurement configuration, if the first measurement configuration and the second measurement configuration are the same, the measurement configuration is not filled in the RRC connection reconfiguration message, where the eNB -D saves the first measurement configuration; if the first measurement configuration is part of the second measurement configuration, the RRC connection reconfiguration message fills in the extra measurement configuration; if different, the first measurement configuration is placed in the RRC connection reconfiguration message Enter the delete list and place the second measurement configuration in the add list.
  • RRC connection re-establishment measurement configuration processing method it is assumed that there are two cells that are mutually different frequency neighbor cells, cell _ 0 and cell _ 1, the UE accesses cell _ 0, and cell _ 0 switches to cell _ 1 failure, cell — 1 Support ICIC function, RRC connection re-establishment measurement configuration process is as follows:
  • the UE sends an RRC connection re-establishment request to cell-1 and obtains a response of cell-1. At this time, cell-1 has saved the measurement configuration copy of cell-0;
  • cell_l obtains the first measurement configuration by performing the Swap measurement of the saved measurement configuration of the cell 0, and generates a second measurement configuration according to the configuration and the UE capability, and compares the first measurement configuration with the second measurement configuration;
  • cell_l supports the ICIC function
  • the second measurement configuration is the same as the first measurement configuration except for the ICIC measurement configuration
  • the ICIC measurement configuration is filled in the RRC connection reconfiguration message
  • the cell_l sends an RRC connection reconfiguration message.
  • the embodiment further provides an inter-frequency measurement configuration sending device, which includes: a Swap action unit, which is configured to: perform a Swap action on the source side measurement configuration copy, generate a first measurement configuration, and set the first The measurement configuration is sent to a measurement configuration comparison unit connected thereto; the measurement configuration generation unit is configured to generate a second measurement configuration according to the relevant configuration of the eNB and the UE capability, and send the second measurement configuration to the measurement configuration connected thereto a measurement configuration comparison unit configured to: receive and compare the first measurement configuration and the second measurement configuration, fill in a control message according to the comparison result, and transmit the control message to the measurement configuration sending unit connected thereto; wherein, when the first When the measurement configuration is the same as the second measurement configuration, the measurement configuration is not filled in the control message; when the first measurement configuration is part of the second measurement configuration, the measurement configuration of the target side is placed in the increase list in the control message; When a measurement configuration is different from the second measurement configuration, the first measurement
  • the inter-frequency measurement configuration is an inter-frequency handover measurement configuration or an inter-frequency RRC connection re-establishment measurement configuration.
  • the Swap action unit is further configured to: the eNB receives the measurement report reported by the UE, determines that the inter-frequency handover is performed according to the measurement report, and The measurement configuration is copied to the measurement configuration copy and saved; the control message is an RRC connection reconfiguration message.
  • the measurement configuration delivery mode is the intra-eNB handover delivery mode.
  • the Swap action unit is further configured to: the source-side eNB receives the measurement report reported by the UE, and determines that the inter-frequency handover is performed, and the decision-making is different. Frequency switching mode X2 or S1; the Swap action unit is configured to perform a Swap action on a measurement configuration copy formed according to the measurement configuration to obtain a first measurement configuration: when the device is on the source side eNB, the current measurement is performed.
  • the measurement configuration generation unit is configured to generate a second measurement configuration according to the self configuration and the UE capability in the following manner: when the device is in the target side eNB, generate the first according to the self configuration and the UE capability.
  • the measurement configuration sending unit is configured to send an RRC connection reconfiguration message to the UE according to the control message in the following manner: when the measurement configuration sending unit is in the target side eNB, the switching command is turned When the measurement configuration sending unit is in the source side eNB, the RRC connection reconfiguration message is generated and delivered according to the handover command.
  • the Swap action unit is configured to perform a Swap action on the measurement configuration replica formed according to the measurement configuration to obtain a first measurement configuration: After the inter-frequency RRC connection re-establishment request is sent and the response is received, the saved source-side measurement configuration copy is swapped to obtain the first measurement configuration;
  • the control command is an RRC connection reconfiguration message.
  • the measurement configuration sending unit is configured to send an RRC connection reconfiguration message by using an inter-frequency RRC connection reestablishment manner.
  • FIG. 5 is a block diagram of the device for transmitting the inter-frequency handover and the inter-frequency RRC connection reestablishment measurement according to the embodiment of the present invention, as shown in FIG. This device includes:
  • the Swap action unit is configured to: perform a Swa action on the source side measurement configuration copy sent by the source side or saved by itself, generate a first measurement configuration, and send the first measurement configuration into a measurement configuration comparison unit connected thereto; a generating unit, configured to: generate a second measurement configuration according to the eNB's own configuration, such as a frequency point and an ICIC function, a UE capability, such as a supported frequency band, and a different frequency system, generate a second measurement configuration, and send the second measurement configuration a measurement configuration comparison unit connected thereto; a measurement configuration comparison unit configured to: receive and compare the first measurement configuration and the second measurement configuration, fill in the comparison result in a handover command or an RRC connection reconfiguration message, and switch the command Pass to the measurement configuration sending unit connected to it.
  • a generating unit configured to: generate a second measurement configuration according to the eNB's own configuration, such as a frequency point and an ICIC function, a UE capability, such as a supported frequency band, and a different frequency
  • the measurement configuration is not filled in the change command or the RRC connection reconfiguration message; when the first measurement configuration is a subset of the second measurement configuration, the handover command or the RRC connection reconfiguration message fills in the measurement configuration of the target side;
  • the measurement configuration is different from the second measurement configuration, the first measurement configuration is placed in the deletion list in the handover command or the RRC connection reconfiguration message, and the second measurement configuration is placed in the addition list.
  • a measurement configuration sending unit configured to: send a handover command to the source side through the X2 port or the S1 interface, or send an RRC connection reconfiguration message to the UE through the XI interface.
  • the measurement configuration comparison result is filled in the RRC connection reconfiguration message, and the RRC connection reconfiguration message is sent to the UE through the XI port in the intra-eNB handover delivery mode;
  • the switchover is performed, the measurement configuration comparison result is filled in the switchover command, and the mode of sending the X2 switch is sent to the source through the X2 interface, or is sent to the source through the S1 interface in the S1 switch mode.
  • the measurement configuration comparison result is filled in the RRC connection reconfiguration message.
  • the RRC connection reconfiguration message is sent to the UE through the XI port.
  • the handover command is sent to the source side, and the source side generates an RRC connection reconfiguration message according to the handover command, and then sends the message to the UE through the XI port.
  • the above measurement configuration, the first measurement configuration, and the second measurement configuration each include a measurement identifier (MeasID), a measurement object identifier (MeasObjectID), a measurement object (MeasObject), a notification configuration identifier (ReportConfigID), and a report configuration (ReportConfig).
  • the method and apparatus of the present invention it is possible to ensure the correctness of the measurement configuration of the target side after the inter-frequency switching, and the measurement configuration of the target side is consistent with the measurement configuration of the UE side, and the solution is solved.
  • the UE lacks the measurement configuration or the measurement configuration is not available, resulting in incorrect measurement configuration.
  • the XI port signaling can be reduced to improve system efficiency.

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Description

异频测量配置下发方法和装置
技术领域 本发明涉及长期演进 ( Long Term Evolution, LTE )领域, 尤其涉及一 种异频测量配置下发方法和装置。
背景技术
根据 36331协议, 当用户设备 ( User Equipment, UE )收到的无线资源 控制 ( Radio Resource Control , RRC ) 连接重配 ( RRC Connection Reconfiguration ) 消息中包括移动性控制信息且做异频切换或异频 RRC连接 重建时, UE会做如下动作:
1>如果 UE 侧保存的测量配置 ( VarMeasConfig ) 中测量对象标识列表 ( measObjectldList )信元存在一个对应于目标侧小区(简称为 D侧小区)频 点的测量对象标识( measObjectld ) ;
2>对于测量标识列表( measIdList )对应的每个测量标识( measld );
3>如果该 measld连接的 measObjectld是源侧小区 (简称为 S 侧小区)载频;
4>4巴该 measld连接到 D侧小区载频对应的 measObjectld;
3>如果该 measld连接的 measObjectld是 D侧小区载频;
4>4巴该 measld连接到 S侧小区载频对应的 measObjectld;
1>如杲 VarMeasConfig中 measObjectldList信元不存在对应于 D侧小区 频点的 measObjectld
2>删除所有连接到 S侧小区载频 measObjectld的 measld;
1>如果收到的 RRC连接重配消息中包含 measConfig; 2>执行 RRC连接重配消息中的测量配置; 这里称该动作为交换(Swap )动作, 由协议知, 它是 UE做异频切换和 异频 RRC连接重建立的的必选动作。 表 1和表 2显示了 UE做 Swap动作前 和 Swap动作后的测量配置示例。 第一小区和第二小区是异频邻区, UE初始 接入第一小区, 此时 UE的测量配置与第一小区的测量配置相同。 当进行异 频切换或异频 RRC连接重建时, UE做上述 Swap动作。 第二小区侧把第一 小区侧传来的测量配置做 Swap动作并保存, 这样就可以保证 UE的测量配 置与第二小区侧的测量配置一致, RRC连接重配消息中不下发测量配置, 从 而减少基站与 UE之间 XI口信令传输。
表 1 : 异频切换、 异频 RRC连接重建前 UE保存的测量配置示例
MeasID MeasObjectID ReportConfiglE
1 1 2 (A2、
2 1 4 (A R~
3 2 5 (A3)
4 3 5 (A3)
5 9 8 (B2: 表 2: 异频切换、 异频 RRC连接重建后 UE将测量配置做 Swap后的测量配 置示例
MeasID MeasObjectID ReportConfiglE
1 2 2 (A2、
2 2 4 (A R~
3 1 5 (A3)
4 3 5 (A3)
5 9 8 (B2:
上述方法可以减少 XI 口信令, 提高系统效率, 但它没有考虑 D侧小区 自身配置的情况, 因此, 在下述情况下会出现问题: 假设存在 3个小区, cell— 0将 cell— 1 , cell— 2作为邻区, 三个邻区的频 点各不相同, UE初始接入至 cell— 0,异频切换\异频 RRC连接重建立至 cell— 1。 如果 cell— 1不将 cell— 0作为邻区, 也不将 cell— 0小区的频点作为异频频 点配置。切换或 RRC连接重建立后,所有针对 cell— 0小区频点的异频测量事 件存在都不合理,因为 cell— 1未将 cell— 0作为异频邻区,理应不配置关于 cell— 0 频点的测量事件。 如果 cell— 0所在演进节点 B ( Evolved Node B, eNB )支持自动邻区关系 ( Automatic Neighbor Relation, ANR )功能, 并为之配置了测量事件; cell l 所在 eNB不支持 ANR功能,也没有为之配置测量事件; 切换或 RRC连接重 建立后, cell— 1的测量配置中会多出不支持的 ANR功能测量配置, 为 UE配 置本不应该存在的测量配置是不合理的。 如果 cell— 1不将 cell— 2作为邻区, 也不将 cell— 2的频点作为异频频点配 置。切换或 RRC连接重建立后, 所有针对 cell— 2频点的异频测量事件存在都 不合理。
^口果 cell O不支持小区间干扰协调 ( Inter Cell Interference Coordination, ICIC )功能, cell— 1支持 ICIC功能且需要对所有接入该小区的 UE下发 ICIC 相关测量事件以解决同频干扰问题, 由于 cell— 0没有为 UE配置 ICIC相关测 量事件, 切换或 RRC连接重建立后, UE将没有 ICIC相关的测量事件, 没 有达到 cell— 1对所有接入该小区的 UE下发 ICIC防止同频干扰的目的。 上述四种场景都会导致异频切换或异频 RRC连接重建立后, UE缺少测 量配置或测量配置不可用, 基站做和 UE—样的 SWAP动作只能解决配置的 一致性, 并不能保证测量配置的正确性。
发明内容 本发明的目的在于提供异频测量配置下发方法和装置, 能正确下发异频 测量配置, 更好地解决 UE缺少测量配置或测量配置不可用的问题。 根据本发明的一个方面, 一种异频测量配置下发方法, 该方法包括: 演进节点 (eNB )对根据测量配置形成的测量配置副本做交换(Swap ) 动作得到第一测量配置; eNB根据自身配置和用户终端(UE )能力生成第二测量配置, 并与第一 测量配置相比较; 当第一测量配置与第二测量配置相同时, 控制消息中不填写测量配置; 当第一测量配置是第二测量配置的部分时, 控制消息中将目标侧多出的测量 配置放入增加列表; 当第一测量配置与第二测量配置不同时, 控制消息中将 第一测量配置放入删除列表, 将第二测量配置放入增加列表; 以及 eNB根据所述控制消息向 UE下发无线资源控制( RRC )连接重配消息。 所述异频测量配置为异频切换测量配置或异频 RRC连接重建测量配置。 当所述异频测量配置下发为 eNB内的异频切换测量配置下发时, eNB对根据测量配置形成的测量配置副本做 Swap动作得到第一测量配 置的步骤之前, 所述方法还包括: eNB收到 UE上报测量报告, 根据测量报 告判断为异频切换, 并把测量配置复制成测量配置副本保存;
所述控制消息为 RRC连接重配消息。 eNB向 UE下发 RRC连接重配消息的步骤中,测量配置下发方式为 eNB 内切换下发方式。
当所述异频测量配置下发为 eNB间的异频切换测量配置下发时, eNB对根据测量配置形成的测量配置副本做 Swap动作得到第一测量配 置的步骤之前, 所述方法包括: 源侧 eNB收到 UE上报的测量报告, 判断为 异频切换, 决策异频切换方式 X2或 S1 ; eNB对根据测量配置形成的测量配置副本做 Swap动作得到第一测量配 置的步骤包括: 源侧 eNB将当前的测量配置形成测量配置副本, 并传至目标 侧 eNB; 目标侧 eNB对源侧测量配置副本做 Swa 动作,得到第一测量配置; 所述控制消息为切换命令; eNB根据自身配置和 UE能力生成第二测量配置的步骤包括:目标侧 eNB 根据自身配置和用户终端 (UE ) 能力生成第二测量配置并保存; eNB根据所述控制消息向 UE下发 RRC连接重配消息的步骤包括: 目标 侧 eNB将切换命令转至源侧 eNB, 源侧 eNB根据切换命令生成并下发 RRC 连接重配消息。 源侧 eNB根据切换命令生成并下发 RRC连接重配消息的步骤中, 测量 配置下发方式为 X2切换下发方式和 S1切换下发方式。 当所述异频测量配置下发为 RRC连接重建测量配置下发时, eNB对根据测量配置形成的测量配置副本做 Swap动作得到第一测量配 置的步骤包括: UE向 eNB发送异频 RRC连接重建请求并收到响应后, eNB 把保存的源侧测量配置副本做 Swap动作得到第一测量配置; 所述控制命令为 RRC连接重配消息。 eNB下发 RRC连接重配消息的步骤中, 所述测量配置下发方式为异频 RRC连接重建下发方式。
根据本发明的一个方面, 一种异频测量配置下发装置, 其包括: 交换(Swap )动作单元, 其设置为: 把源侧测量配置副本做 Swap动作, 生成第一测量配置, 并把第一测量配置送入与其相连的测量配置比较单元; 测量配置生成单元, 其设置为; 根据 eNB自身相关配置和 UE能力, 生 成第二测量配置, 并把第二测量配置送入与其相连的测量配置比较单元; 测量配置比较单元, 其设置为: 接收并比较第一测量配置和第二测量配 置, 按照比较结果填写控制消息, 并把控制消息传至与其相连的测量配置发 送单元; 其中, 当第一测量配置与第二测量配置相同时, 控制消息中不填写 测量配置; 当第一测量配置是第二测量配置的部分时, 控制消息中将目标侧 多出的测量配置放入增加列表; 当第一测量配置与第二测量配置不同时, 控 制消息中将第一测量配置放入删除列表, 将第二测量配置放入增加列表; 以 及 测量配置发送单元, 其设置为: 根据所述控制消息向 UE下发无线资源 控制 (RRC )连接重配消息。 所述异频测量配置为异频切换测量配置或异频 RRC连接重建测量配置。 当所述异频测量配置下发为 eNB内的异频切换测量配置下发时, 所述 Swap动作单元还设置为: eNB收到 UE上报测量报告, 根据测量 报告判断为异频切换, 并把测量配置复制成测量配置副本保存; 所述控制消息为 RRC连接重配消息。 测量配置发送单元向 UE下发 RRC连接重配消息时,测量配置下发方式 为 eNB内切换下发方式。 当所述异频测量配置下发为 eNB间的异频切换测量配置下发时, 所述 Swap动作单元还设置为: 源侧 eNB收到 UE上报的测量报告, 判 断为异频切换, 决策异频切换方式 X2或 S1 ; 所述 Swap动作单元是设置为按如下方式对根据测量配置形成的测量配 置副本做 Swap动作得到第一测量配置: 当所述装置在源侧 eNB时, 将当前 的测量配置形成测量配置副本,并传至目标侧 eNB;当所述装置在目标侧 eNB 时, 对源侧测量配置副本 #文 Swap动作, 得到第一测量配置; 所述控制消息为切换命令; 所述测量配置生成单元是设置为按如下方式根据自身配置和 UE能力生 成第二测量配置: 当所述装置在目标侧 eNB时, 根据自身配置和 UE能力生 成第二测量配置并保存; 所述测量配置发送单元是设置为按如下方式根据所述控制消息向 UE下 发 RRC连接重配消息: 当所述测量配置发送单元在目标侧 eNB时, 将切换 命令转至源侧 eNB, 当所述测量配置发送单元在源侧 eNB时,根据切换命令 生成并下发 RRC连接重配消息。 当所述异频测量配置下发为 RRC连接重建测量配置下发时, 所述 Swap动作单元是设置为按如下方式对根据测量配置形成的测量配 置副本做 Swap动作得到第一测量配置: 向 eNB发送异频 RRC连接重建请 求并收到响应后, 把保存的源侧测量配置副本做 Swap动作得到第一测量配 置;
所述控制命令为 RRC连接重配消息。 所述测量配置发送单元是设置为通过异频 RRC 连接重建下发方式下发 RRC连接重配消息。 与现有技术相比较, 使用本发明所述的方法和装置可以使异频切换或异 频 RRC连接重建立后 UE所在小区的测量配置正确, 且与 UE的测量配置一 致, 在某些场景下还能减少 XI口信令。
附图概述 图 1是本发明实施例提供的 eNB内异频切换测量配置的处理流程图; 图 2是本发明实施例提供的 eNB间 X2异频切换测量配置的处理流程图; 图 3是本发明实施例提供的 eNB间 S1异频切换测量配置的处理流程图; 图 4是本发明实施例提供的异频 RRC连接重建测量配置的处理流程图; 图 5是本发明实施例提供的异频切换、异频 RRC连接重建测量配置正确 下发装置框图;
图 6是本发明一种异频测量配置下发方法的示意图。
本发明的较佳实施方式
以下结合附图对本发明的优选实施例进行详细说明, 应当理解, 以下所 说的优选实施例仅用于说明和解释本发明, 并不用于限定本发明。 需要说明 的是, 在不冲突的情况下, 本申请中的实施例及实施例中的特征可以相互任 意组合。 本发明的一种异频测量配置下发方法如图 6所示, 该方法包括: 演进节点 (eNB )对根据测量配置形成的测量配置副本做 Swap动作得 到第一测量配置; eNB根据自身配置和用户终端(UE )能力生成第二测量配置, 并与第一 测量配置相比较; 当第一测量配置与第二测量配置相同时, 控制消息中不填写测量配置; 当第一测量配置是第二测量配置的部分时, 控制消息中将目标侧多出的测量 配置放入增加列表; 当第一测量配置与第二测量配置不同时, 控制消息中将 第一测量配置放入删除列表, 将第二测量配置放入增加列表; 以及 eNB根据所述控制消息向 UE下发无线资源控制( RRC )连接重配消息。 所述异频测量配置为异频切换测量配置或异频 RRC连接重建测量配置。 其中, 当所述异频测量配置下发为 eNB内的异频切换测量配置下发时, eNB对根据测量配置形成的测量配置副本做 Swap动作得到第一测量配 置的步骤之前, 所述方法还包括: eNB收到 UE上报测量报告, 根据测量报 告判断为异频切换, 并把测量配置复制成测量配置副本保存;
所述控制消息为 RRC连接重配消息。 当所述异频测量配置下发为 eNB内的异频切换测量配置下发时, eNB向 UE下发 RRC连接重配消息的步骤中,测量配置下发方式为 eNB内切换下发 方式。
其中, 当所述异频测量配置下发为 eNB间的异频切换测量配置下发时, eNB对根据测量配置形成的测量配置副本做 Swap动作得到第一测量配 置的步骤之前, 所述方法包括: 源侧 eNB收到 UE上报的测量报告, 判断为 异频切换, 决策异频切换方式 X2或 S1 ; eNB对根据测量配置形成的测量配置副本做 Swap动作得到第一测量配 置的步骤包括: 源侧 eNB将当前的测量配置形成测量配置副本, 并传至目标 侧 eNB; 目标侧 eNB对源侧测量配置副本做 Swa 动作,得到第一测量配置; 所述控制消息为切换命令; 其中, 当所述异频测量配置下发为 eNB间的异频切换测量配置下发时, eNB根据自身配置和 UE能力生成第二测量配置的步骤包括: 目标侧 eNB根 据自身配置和用户终端 (UE ) 能力生成第二测量配置并保存; eNB根据所述控制消息向 UE下发 RRC连接重配消息的步骤包括: 目标 侧 eNB将切换命令转至源侧 eNB, 源侧 eNB根据切换命令生成并下发 RRC 连接重配消息。 源侧 eNB根据切换命令生成并下发 RRC连接重配消息的步骤中, 测量 配置下发方式为 X2切换下发方式和 S1切换下发方式。 其中, 当所述异频测量配置下发为 RRC连接重建测量配置下发时, eNB对根据测量配置形成的测量配置副本做 Swap动作得到第一测量配 置的步骤包括: UE向 eNB发送异频 RRC连接重建请求并收到响应后, eNB 把保存的源侧测量配置副本做 Swap动作得到第一测量配置; 所述控制命令为 RRC连接重配消息。 其中, 当所述异频测量配置下发为 RRC连接重建测量配置下发时, eNB 下发 RRC连接重配消息的步骤中, 所述测量配置下发方式为异频 RRC连接 重建下发方式。
下面通过实施例详细介绍当本发明的一种异频测量配置下发方法分别应 用于异频测量配置下发为 eNB内的异频切换测量配置下发过程,异频测量配 置下发为 eNB 间的异频切换测量配置下发过程, 以及异频测量配置下发为 RRC连接重建测量配置下发过程的情况。 图 1显示了本发明实施例提供的 eNB内异频切换测量配置的处理流程, 如图 1所示, 其步骤如下: eNB收到 UE上报测量报告, 并根据测量报告判断异频切换, 把源侧小 区传来的当前测量配置复制成测量配置副本保存; eNB把测量配置副本做 Swa 动作, 得到 Swap后的第一测量配置; eNB根据自身配置如频点和 ICIC功能等、 UE能力如支持的频段和异频 异系统等生成第二测量配置, 并与第一测量配置相比较; 当第一测量配置与第二测量配置相同时, RRC连接重配消息中不填写测 量配置; 当第一测量配置是第二测量配置的部分时, RRC连接重配消息中将 目标侧多出的测量配置放入增加列表; 当第一测量配置与第二测量配置不同 (包括完全不同, 和部分相同部分不同)时, RRC连接重配消息中将第一测 量配置放入删除列表, 将第二测量配置放入增加列表; eNB向 UE下发 RRC连接重配消息。 上述测量配置、第一测量配置、第二测量配置均包括测量标识( MeasID )、 测量对象标识 ( MeasObjectID ) 、 测量对象( MeasObject ) 、 告配置标识 ( ReportConfigID ) 、 以及报告配置 ( ReportConfig ) 。 根据上述 eNB内切换测量配置的处理方法,假设存在两个互为异频邻区 的小区 cell— 0和 cell— 1在同一 eNB内, UE接入 cell— 0 ,且 cell— 0下发同频切 换、 异频切换测量事件后, eNB内切换过程如下:
1. UE上 "^异频切换事件, 测量 ^艮告中填写 cell— 1邻区信息;
2. eNB判断 UE上报的邻区 cell— 1是本 eNB内小区, 发起 eNB内切换, eNB把当前测量配置复制成测量配置副本保存, 并将其做 Swap动作, 生成 第一测量配置; 上述保存的测量配置是 cell-0侧的测量配置;
3. cell_l根据自身相关配置和 UE能力生成第二测量配置,并与第一测量 配置比较;
4. 当第一测量配置与第二测量配置相同时, RRC连接重配消息中不填写 测量配置;
5. eNB向 UE下发 RRC连接重配消息。 当测量配置完全相同的情况下, RRC连接重配消息中不需要填写测量配 置, 因此, 减少了 XI口的信令。 图 2显示了本发明实施例提供的 eNB间 X2异频切换测量配置的处理流 程, 图 3显示了本发明实施例提供的 eNB间 S1异频切换测量配置的处理流 程, 如图 2和图 3所示, 两个 eNB分别是源侧的 eNB-S和目标侧的 eNB-D, eNB间异频切换步骤如下: eNB-S收到 UE上报的测量报告, 判断异频切换方式 X2或 S1 , 将当前 的源侧测量配置形成测量配置副本传至 eNB-D, 如果进行 S1切换, eNB-D 通过移动性管理实体 ( Mobility Management Entity, MME )接收 eNB-S发送 的源侧测量配置副本; eNB-D将源侧测量配置副本做 Swap动作, 得到第一测量配置; eNB-D根据自身配置如频点和 ICIC功能等、 UE能力如支持的频段和异 频异系统等生成第二测量配置并保存; 比较第一测量配置与第二测量配置, 当第一测量配置与第二测量配置相 同时, 切换命令中不填写测量配置; 当第一测量配置是第二测量配置的部分 时, 切换命令中将目标侧多出的测量配置放入增加列表; 当第一测量配置与 第二测量配置不同时, 切换命令中将第一测量配置放入删除列表, 将第二测 量配置放入增加列表。 将切换命令转至 eNB-S , eNB-S根据切换命令生成 RRC连接重配消息, 通过 UE和 eNB-S间的 XI口下发至 UE。 上述测量配置、第一测量配置、第二测量配置均包括测量标识( MeasID )、 测量对象标识 (MeasObjectlD ) 、 测量对象(MeasObject ) 、 告配置标识 ( ReportConfigID ) 、 以及报告配置 ( ReportConfig ) 。 根据上述 eNB间切换测量配置的处理方法,假设存在两个异频邻区的小 区 cell— 0和 cell— 1 , cell-0在 eNB-S内, cell-1在 eNB-D内,且 cell— 1不把 cell— 0 的频点作为异频频点配置, UE接入 cell— 0 , cell— 0下发 ICIC测量事件、 异频 切换测量事件后, 以 X2切换为例, eNB间切换过程如下:
1. UE上 "^异频切换事件, 测量 ^艮告中填写 cell— 1邻区信息;
2. eNB-S判断上报邻区 cell— 1是 eNB-D内的邻接小区, 发起 X2切换;
3. eNB-S保存当前的测量配置并将其复制成测量配置副本,测量配置副本 随切换准备请求消息传至 eNB-D; eNB-D将 eNB-S传来的测量配置副本做 Swap后得到第一测量配置, 并自身配置如频点和 ICIC功能等、 UE能力如 支持的频段和异频异系统等生成第二测量配置, 比较第一测量配置和第二测 量配置;
4.由于 cell— 1没有把 cell— 0频点作为测量的异频频点, 此时比较结果不 相同, 切换命令中把第一测量配置放入删除列表, 第二测量配置放入增加列 表; 5.将切换命令传至 eNB-S, eNB-S根据切换命令生成 RRC连接重配消息, 通过 UE和 eNB-S之间的 XI 口下发。 图 4显示了本发明实施例提供的异频 RRC连接重建测量配置的处理流 程,如图 4所示,如果从 cell— 0到 cell— 1的异频切换失败, cell— 1所在 eNB-D 保存了包括测量配置信息在内的 UE上下文信息,此时异频 RRC连接重建立 的流程如下:
UE向 eNB-D发送 RRC连接重建立请求; eNB-D将测量配置副本做 Swap动作得到第一测量配置; eNB-D根据自身配置如频点和 ICIC功能等、 UE能力如支持的频段和异 频异系统等生成第二测量配置并保存; 比较第一测量配置与第二测量配置, 如果第一测量配置和第二测量配置 相同, 则 RRC连接重配消息中不填写测量配置, 此时 eNB-D保存第一测量 配置;如果第一测量配置是第二测量配置的部分,则 RRC连接重配消息填写 多出的测量配置; 如果不同,则 RRC连接重配消息中将第一测量配置放入删 除列表, 将第二测量配置放入增加列表。 根据上述 RRC连接重建立测量配置处理方法,假设存在两个互为异频邻 区的小区 cell— 0和 cell— 1 , UE接入 cell— 0 ,且 cell— 0切换到 cell— 1失败, cell— 1 支持 ICIC功能, RRC连接重建立测量配置过程如下:
1. UE向 cell— 1发送 RRC连接重建立请求并得到 cell— 1的响应 ,此时 cell— 1 已经保存了 cell— 0的测量配置副本;
2. cell_l将保存的 cell— 0的测量配置副本做 Swap后得到第一测量配置, 并根据自身配置和 UE能力生成第二测量配置, 比较第一测量配置与第二测 量配置;
3. cell_l支持 ICIC功能,且除 ICIC测量配置外,第二测量配置与第一测 量配置相同, RRC连接重配消息中填写 ICIC测量配置;
4. cell_l下发 RRC连接重配消息。 本实施例还提供了一种异频测量配置下发装置, 其包括: 交换(Swap )动作单元, 其设置为: 把源侧测量配置副本做 Swap动作, 生成第一测量配置, 并把第一测量配置送入与其相连的测量配置比较单元; 测量配置生成单元, 其设置为; 根据 eNB自身相关配置和 UE能力, 生 成第二测量配置, 并把第二测量配置送入与其相连的测量配置比较单元; 测量配置比较单元, 其设置为: 接收并比较第一测量配置和第二测量配 置, 按照比较结果填写控制消息, 并把控制消息传至与其相连的测量配置发 送单元; 其中, 当第一测量配置与第二测量配置相同时, 控制消息中不填写 测量配置; 当第一测量配置是第二测量配置的部分时, 控制消息中将目标侧 多出的测量配置放入增加列表; 当第一测量配置与第二测量配置不同时, 控 制消息中将第一测量配置放入删除列表, 将第二测量配置放入增加列表; 以 及 测量配置发送单元, 其设置为: 根据所述控制消息向 UE下发无线资源 控制 (RRC )连接重配消息。 所述异频测量配置为异频切换测量配置或异频 RRC连接重建测量配置。 当所述异频测量配置下发为 eNB内的异频切换测量配置下发时, 所述 Swap动作单元还设置为: eNB收到 UE上报测量报告, 根据测量 报告判断为异频切换, 并把测量配置复制成测量配置副本保存; 所述控制消息为 RRC连接重配消息。 测量配置发送单元向 UE下发 RRC连接重配消息时,测量配置下发方式 为 eNB内切换下发方式。 当所述异频测量配置下发为 eNB间的异频切换测量配置下发时, 所述 Swap动作单元还设置为: 源侧 eNB收到 UE上报的测量报告, 判 断为异频切换, 决策异频切换方式 X2或 S1 ; 所述 Swap动作单元是设置为按如下方式对根据测量配置形成的测量配 置副本做 Swap动作得到第一测量配置: 当所述装置在源侧 eNB时, 将当前 的测量配置形成测量配置副本,并传至目标侧 eNB;当所述装置在目标侧 eNB 时, 对源侧测量配置副本 #文 Swap动作, 得到第一测量配置; 所述控制消息为切换命令; 所述测量配置生成单元是设置为按如下方式根据自身配置和 UE能力生 成第二测量配置: 当所述装置在目标侧 eNB时, 根据自身配置和 UE能力生 成第二测量配置并保存; 所述测量配置发送单元是设置为按如下方式根据所述控制消息向 UE下 发 RRC连接重配消息: 当所述测量配置发送单元在目标侧 eNB时, 将切换 命令转至源侧 eNB, 当所述测量配置发送单元在源侧 eNB时,根据切换命令 生成并下发 RRC连接重配消息。 当所述异频测量配置下发为 RRC连接重建测量配置下发时, 所述 Swap动作单元是设置为按如下方式对根据测量配置形成的测量配 置副本做 Swap动作得到第一测量配置: 向 eNB发送异频 RRC连接重建请 求并收到响应后, 把保存的源侧测量配置副本做 Swap动作得到第一测量配 置;
所述控制命令为 RRC连接重配消息。 所述测量配置发送单元是设置为通过异频 RRC 连接重建下发方式下发 RRC连接重配消息。 如上所述的装置在一应用实施例中如图 5所示, 图 5显示了本发明实施 例提供的异频切换、 异频 RRC连接重建测量配置正确下发装置框图, 如图 5 所示, 本装置包括:
Swap动作单元,其设置为:把源侧发送的或自身保存的源侧测量配置副 本做 Swa 动作, 生成第一测量配置, 并把第一测量配置送入与其相连的测 量配置比较单元; 测量配置生成单元, 其设置为: 根据 eNB 自身配置如频点和 ICIC功能 等、 UE 能力如支持的频段和异频异系统等生成第二测量配置, 生成第二测 量配置, 并把第二测量配置送入与其相连的测量配置比较单元; 测量配置比较单元, 其设置为: 接收并比较第一测量配置和第二测量配 置,把比较结果填写到切换命令或 RRC连接重配消息中,并把切换命令传至 与其相连的测量配置发送单元。 当第一测量配置与第二测量配置相同时, 切 换命令或 RRC连接重配消息中不填写测量配置;当第一测量配置是第二测量 配置的子集时, 切换命令或 RRC 连接重配消息中填写目标侧多出的测量配 置; 当第一测量配置与第二测量配置不同时,切换命令或 RRC连接重配消息 中将第一测量配置放入删除列表, 将第二测量配置放入增加列表。 以及 测量配置发送单元,其设置为:通过 X2口或 S1口向源侧发送切换命令, 或者通过 XI口向 UE发送 RRC连接重配消息。 当进行 eNB内异频切换时, 测量配置比较结果填写到 RRC连接重配消 息中, 在 eNB内切换下发方式下, 通过 XI 口把 RRC连接重配消息发送至 UE; 当进行 eNB 间异频切换时, 测量配置比较结果填写到切换命令中, 在 X2切换下发方式通过 X2口下发至源侧,或在 S1切换下发方式下通过 S1口 下发至源侧; 当进行异频 RRC连接重建时, 测量配置比较结果填写到 RRC 连接重配消息中, 在异频 RRC连接重建下发方式下, 通过 XI 口把 RRC连 接重配消息发送至 UE。 上述 eNB间异频切换, 切换命令发送至源侧后, 源侧根据切换命令生成 RRC连接重配消息, 然后再通过 XI口下发给 UE。 上述测量配置、第一测量配置、第二测量配置均包括测量标识( MeasID )、 测量对象标识 ( MeasObjectID ) 、 测量对象( MeasObject ) 、 告配置标识 ( ReportConfigID ) 、 以及报告配置 ( ReportConfig ) 。 尽管上文对本发明进行了详细说明, 但是本发明不限于此, 本技术领域 技术人员可以根据本发明的原理进行各种修改。 因此, 凡按照本发明原理所 作的修改, 都应当理解为落入本发明的保护范围。
工业实用性 综上所述, 通过釆用本发明的方法和装置, 可以保证在异频切换后, 目 标侧的测量配置的正确性, 以及目标侧测量配置与 UE侧测量配置的一致, 解决了 UE缺少测量配置或测量配置不可用导致的测量配置不正确的问题, 在特定场景下还能减少 XI口信令, 提高系统效率。

Claims

权 利 要 求 书
1、 一种异频测量配置下发方法, 该方法包括: 演进节点 (eNB )对根据测量配置形成的测量配置副本做交换(Swap ) 动作得到第一测量配置; eNB根据自身配置和用户终端(UE )能力生成第二测量配置, 并与第一 测量配置相比较; 当第一测量配置与第二测量配置相同时, 控制消息中不填写测量配置; 当第一测量配置是第二测量配置的部分时, 控制消息中将目标侧多出的测量 配置放入增加列表; 当第一测量配置与第二测量配置不同时, 控制消息中将 第一测量配置放入删除列表, 将第二测量配置放入增加列表; 以及 eNB根据所述控制消息向 UE下发无线资源控制( RRC )连接重配消息。
2、如权利要求 1所述的方法, 其中, 所述异频测量配置为异频切换测量 配置或异频 RRC连接重建测量配置。
3、 如权利要求 2所述的方法, 其中, 当所述异频测量配置下发为 eNB 内的异频切换测量配置下发时, eNB对根据测量配置形成的测量配置副本做 Swap动作得到第一测量配 置的步骤之前, 所述方法还包括: eNB收到 UE上报测量报告, 根据测量报 告判断为异频切换, 并把测量配置复制成测量配置副本保存;
所述控制消息为 RRC连接重配消息。
4、 如权利要求 3所述的方法, 其中, eNB向 UE下发 RRC连接重配消 息的步骤中, 测量配置下发方式为 eNB内切换下发方式。
5、 如权利要求 2所述的方法, 其中, 当所述异频测量配置下发为 eNB 间的异频切换测量配置下发时, eNB对根据测量配置形成的测量配置副本做 Swap动作得到第一测量配 置的步骤之前, 所述方法包括: 源侧 eNB收到 UE上报的测量报告, 判断为 异频切换, 决策异频切换方式 X2或 S1 ; eNB对根据测量配置形成的测量配置副本做 Swap动作得到第一测量配 置的步骤包括: 源侧 eNB将当前的测量配置形成测量配置副本, 并传至目标 侧 eNB; 目标侧 eNB对源侧测量配置副本做 Swa 动作,得到第一测量配置; 所述控制消息为切换命令; eNB根据自身配置和 UE能力生成第二测量配置的步骤包括:目标侧 eNB 根据自身配置和用户终端 (UE ) 能力生成第二测量配置并保存; eNB根据所述控制消息向 UE下发 RRC连接重配消息的步骤包括: 目标 侧 eNB将切换命令转至源侧 eNB, 源侧 eNB根据切换命令生成并下发 RRC 连接重配消息。
6、 如权利要求 5所述的方法, 其中, 源侧 eNB根据切换命令生成并下 发 RRC连接重配消息的步骤中, 测量配置下发方式为 X2切换下发方式和 S1切换下发方式。
7、 如权利要求 2所述的方法, 其中, 当所述异频测量配置下发为 RRC 连接重建测量配置下发时, eNB对根据测量配置形成的测量配置副本做 Swap动作得到第一测量配 置的步骤包括: UE向 eNB发送异频 RRC连接重建请求并收到响应后, eNB 把保存的源侧测量配置副本做 Swap动作得到第一测量配置; 所述控制命令为 RRC连接重配消息。
8、 如权利要求 7所述的方法, eNB下发 RRC连接重配消息的步骤中, 所述测量配置下发方式为异频 RRC连接重建下发方式。
9、 一种异频测量配置下发装置, 其包括: 交换(Swap )动作单元, 其设置为: 把源侧测量配置副本做 Swap动作, 生成第一测量配置, 并把第一测量配置送入与其相连的测量配置比较单元; 测量配置生成单元, 其设置为; 根据 eNB自身相关配置和 UE能力, 生 成第二测量配置, 并把第二测量配置送入与其相连的测量配置比较单元; 测量配置比较单元, 其设置为: 接收并比较第一测量配置和第二测量配 置, 按照比较结果填写控制消息, 并把控制消息传至与其相连的测量配置发 送单元; 其中, 当第一测量配置与第二测量配置相同时, 控制消息中不填写 测量配置; 当第一测量配置是第二测量配置的部分时, 控制消息中将目标侧 多出的测量配置放入增加列表; 当第一测量配置与第二测量配置不同时, 控 制消息中将第一测量配置放入删除列表, 将第二测量配置放入增加列表; 以 及 测量配置发送单元, 其设置为: 根据所述控制消息向 UE下发无线资源 控制 (RRC )连接重配消息。
10、 如权利要求 9所述的装置, 其中, 所述异频测量配置为异频切换测 量配置或异频 RRC连接重建测量配置。
11、如权利要求 10所述的装置, 其中, 当所述异频测量配置下发为 eNB 内的异频切换测量配置下发时, 所述 Swap动作单元还设置为: eNB收到 UE上报测量报告, 根据测量 报告判断为异频切换, 并把测量配置复制成测量配置副本保存; 所述控制消息为 RRC连接重配消息。
12、 如权利要求 11 所述的装置, 其中, 测量配置发送单元向 UE下发 RRC连接重配消息时, 测量配置下发方式为 eNB内切换下发方式。
13、如权利要求 10所述的装置, 其中, 当所述异频测量配置下发为 eNB 间的异频切换测量配置下发时, 所述 Swap动作单元还设置为: 源侧 eNB收到 UE上报的测量报告, 判 断为异频切换, 决策异频切换方式 X2或 S1 ; 所述 Swap动作单元是设置为按如下方式对根据测量配置形成的测量配 置副本做 Swap动作得到第一测量配置: 当所述装置在源侧 eNB时, 将当前 的测量配置形成测量配置副本,并传至目标侧 eNB;当所述装置在目标侧 eNB 时, 对源侧测量配置副本 #文 Swap动作, 得到第一测量配置; 所述控制消息为切换命令; 所述测量配置生成单元是设置为按如下方式根据自身配置和 UE能力生 成第二测量配置: 当所述装置在目标侧 eNB时, 根据自身配置和 UE能力生 成第二测量配置并保存; 所述测量配置发送单元是设置为按如下方式根据所述控制消息向 UE下 发 RRC连接重配消息: 当所述测量配置发送单元在目标侧 eNB时, 将切换 命令转至源侧 eNB, 当所述测量配置发送单元在源侧 eNB时,根据切换命令 生成并下发 RRC连接重配消息。
14、如权利要求 10所述的装置,其中, 当所述异频测量配置下发为 RRC 连接重建测量配置下发时, 所述 Swap动作单元是设置为按如下方式对根据测量配置形成的测量配 置副本做 Swap动作得到第一测量配置: 向 eNB发送异频 RRC连接重建请 求并收到响应后, 把保存的源侧测量配置副本做 Swap动作得到第一测量配 置;
所述控制命令为 RRC连接重配消息。
15、如权利要求 14所述的装置, 其中, 所述所述测量配置发送单元是设 置为通过异频 RRC连接重建下发方式下发 RRC连接重配消息。
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