WO2015109435A1 - 频点测量控制方法及基站、用户设备 - Google Patents

频点测量控制方法及基站、用户设备 Download PDF

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Publication number
WO2015109435A1
WO2015109435A1 PCT/CN2014/070953 CN2014070953W WO2015109435A1 WO 2015109435 A1 WO2015109435 A1 WO 2015109435A1 CN 2014070953 W CN2014070953 W CN 2014070953W WO 2015109435 A1 WO2015109435 A1 WO 2015109435A1
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Prior art keywords
measure
base station
frequency
frequency points
needs
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PCT/CN2014/070953
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English (en)
French (fr)
Inventor
张宇
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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.)
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Application filed by 华为技术有限公司 filed Critical 华为技术有限公司
Priority to PCT/CN2014/070953 priority Critical patent/WO2015109435A1/zh
Priority to CN201480000298.4A priority patent/CN104170437B/zh
Publication of WO2015109435A1 publication Critical patent/WO2015109435A1/zh

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    • 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
    • H04W36/0083—Determination of parameters used for hand-off, e.g. generation or modification of neighbour cell lists
    • H04W36/0085—Hand-off measurements
    • H04W36/0088—Scheduling hand-off measurements

Definitions

  • the invention belongs to the field of mobile communications, and in particular relates to a frequency point measurement control method, a base station and a user equipment.
  • UE user equipment is required in many cases (User Equipment, UE) measures multiple frequency points, such as the switching process.
  • a base station such as an evolved base station (Evolved)
  • the NodeB the eNB
  • the NodeB the eNB
  • the UE measures the multiple frequency points sent by the base station, and feeds the measurement result to the base station, and then the base station determines according to the measurement result and the preset algorithm.
  • the target cell to which the UE switches.
  • the base station can find more in multiple cells according to the measurement result and the situation of each cell.
  • the UE does not report the frequency measurement capability to the base station.
  • the base station sends the number of measurement frequency points to the UE according to the minimum requirements. Due to the large number of equipment manufacturers producing UEs, the frequency measurement capability of the UE is different. While meeting the minimum requirements stipulated by the protocol, some UEs may have higher frequency measurement capabilities than the above minimum requirements.
  • the existing mechanisms of the base station fail to fully utilize the frequency point measurement capabilities of these UEs, which is not conducive to the improvement of network performance.
  • the base station blindly increases the number of measured frequency points without knowing the frequency measurement capability of the UE, it is easy for the number of measured frequency points to be transmitted exceeds the frequency measurement capability of the UE, resulting in UE reconfiguration. Failure, even dropped calls, and then need to re-access, but the network performance is worse.
  • a frequency point measurement control method including:
  • a number of frequency points that the UE needs to measure according to a maximum value of the number of frequency points that the UE can measure, where the number of frequency points that the UE needs to measure is less than or equal to a frequency point that the UE can measure.
  • the base station sends a frequency point that the UE needs to measure.
  • the method further includes: the base station receiving preset information, The preset information is used to trigger the base station to determine the number of frequency points that the UE needs to measure.
  • the receiving, by the base station, the preset information, The preset event indicates that the signal quality of the serving cell received by the UE is less than a preset threshold or that the difference between the signal quality of the serving cell received by the UE and the signal quality of the received neighboring cell reaches a preset threshold.
  • the receiving, by the base station, the preset information includes: receiving, by the base station, a paging message sent by the core network.
  • a frequency point measurement control method including:
  • the user equipment UE reports to the base station a frequency point that the UE can measure and a maximum value of the number of frequency points that the UE can measure, so that the base station determines, according to the maximum value of the number of frequency points that the UE can measure. Determining the number of frequency points that the UE needs to measure, and determining the frequency points that the UE needs to measure according to the number of frequency points that the UE needs to measure and the frequency points that the UE can measure, and the frequency points that the UE needs to measure. The number is less than or equal to a maximum value of the number of frequency points that the UE can measure;
  • the UE performs measurement on a frequency point that the UE sends the UE to measure.
  • the UE reporting, to the base station, a frequency point that the UE can measure and a maximum value of the number of frequency points that the UE can measure include: The UE generates radio access capability information, where the radio access capability information includes a frequency point that the UE can measure and a maximum number of frequency points that the UE can measure; the UE is in the access phase to the The base station reports the radio access capability information.
  • the method further includes: the UE reporting a preset event to the base station, where the preset event indicates the UE The signal quality of the received serving cell is less than a preset threshold or indicates that the difference between the signal quality of the serving cell received by the UE and the signal quality of the received neighboring cell reaches a preset threshold, and is used to trigger the base station to determine the The number of frequency points that the UE needs to measure.
  • a base station including:
  • a receiving unit configured to receive a frequency point that the UE can report and a maximum value of the number of frequency points that the UE can measure
  • a determining unit configured to receive a maximum value of the number of frequency points that the UE can measure and a frequency point that the UE can measure, and determine, according to a maximum value of the number of frequency points that the UE can measure The number of frequency points that the UE needs to measure, and the number of frequency points that the UE needs to measure is less than or equal to the maximum value of the number of frequency points that the UE can measure;
  • a sending unit configured to receive a frequency point that the UE determines to be measured by the determining unit, and send a frequency point that the UE needs to measure.
  • the receiving unit is further configured to receive preset information, where the preset information is used to trigger the base station to determine a frequency that the UE needs to measure. Count the number.
  • the preset information includes: a preset event reported by the UE, where the preset event indicates The signal quality of the serving cell received by the UE is less than a preset threshold or indicates that the difference between the signal quality of the serving cell received by the UE and the signal quality of the received neighboring cell reaches a preset threshold.
  • the preset information includes: a paging message sent by a core network.
  • a fourth aspect provides a user equipment UE, including:
  • a sending unit configured to report, to the base station, a frequency point that the UE can measure and a maximum value of the number of frequency points that the UE can measure, so that the base station is configured according to a maximum number of frequency points that the UE can measure. Determining the number of frequency points that the UE needs to measure, and determining a frequency point that the UE needs to measure according to the number of frequency points that the UE needs to measure and the frequency point that the UE can measure, and the frequency that the UE needs to measure. The number of points is less than or equal to the maximum value of the number of frequency points that the UE can measure;
  • a receiving unit configured to receive a frequency point that the UE sends the UE to measure
  • a measuring unit configured to receive a frequency point that the UE needs to measure, and perform measurement on a frequency point that the UE sends the UE to measure.
  • the method further includes: a generating unit, configured to generate radio access capability information, where the radio access capability information includes a frequency point that the UE can measure The maximum number of frequency points that can be measured by the UE; the sending unit is specifically configured to receive the radio access capability information sent by the generating unit, and report the wireless connection to the base station in an access phase. Entry capability information.
  • a generating unit configured to generate radio access capability information, where the radio access capability information includes a frequency point that the UE can measure The maximum number of frequency points that can be measured by the UE
  • the sending unit is specifically configured to receive the radio access capability information sent by the generating unit, and report the wireless connection to the base station in an access phase. Entry capability information.
  • the sending unit is further configured to report a preset event to the base station, where the preset event is a serving cell that is received by the UE
  • the signal quality is less than the preset threshold or indicates that the difference between the signal quality of the serving cell received by the UE and the received signal quality of the neighboring cell reaches a preset threshold, and is used to trigger the base station to determine the frequency that the UE needs to measure. Count the number.
  • the UE reports the maximum number of frequency points that the UE can measure to the base station.
  • the base station sends the UE to measure according to the maximum number of frequency points that the UE can measure.
  • the frequency point makes full use of the UE's frequency point measurement capability, thereby reducing the probability of dropped calls during UE handover and improving network performance.
  • FIG. 1 is a flowchart of an implementation of a frequency point measurement control method according to an embodiment of the present invention
  • FIG. 2 is a flowchart of an implementation of a frequency point measurement control method according to another embodiment of the present invention.
  • step S201 of a frequency point measurement control method is a specific implementation flowchart of step S201 of a frequency point measurement control method according to another embodiment of the present invention.
  • FIG. 5 is an interaction flowchart of a frequency point measurement control method according to an embodiment of the present invention.
  • FIG. 6 is an interaction flowchart of a frequency point measurement control method according to another embodiment of the present invention.
  • FIG. 7 is a structural block diagram of a frequency point measurement control apparatus according to an embodiment of the present invention.
  • FIG. 8 is a block diagram showing the hardware structure of a frequency point measurement control apparatus according to an embodiment of the present invention.
  • the UE reports the maximum number of frequency points that can be measured by the UE to the base station.
  • the base station needs to send the UE according to the maximum number of frequency points that the UE can measure.
  • the measured frequency points make full use of the UE's frequency point measurement capability, thereby reducing the probability of dropped calls during UE handover and improving network performance.
  • FIG. 1 is a flowchart of an implementation of a frequency point measurement control method according to an embodiment of the present invention.
  • the execution body of the process is a base station, including but not limited to a base station type such as an eNB, and the implementation process is as follows:
  • step S101 the base station receives the frequency point that the UE can report and the maximum number of frequency points that the UE can measure.
  • the base station performs frequency point measurement control on the UE to determine the frequency point that the UE needs to measure.
  • the base station determines that the frequency point that the UE needs to measure is based on the performance of the UE itself.
  • the minimum value of the number of frequency points that the UE can measure is specified in Specification, TS) 36.133.
  • This parameter is the minimum requirement for the measurement capability of the UE frequency point in the measurement of the different system or the measurement of the inter-frequency system, and is produced by each terminal equipment manufacturer. The UE must meet this minimum requirement.
  • the base station can know the minimum value without reporting the UE, but the protocol does not specify the maximum number of frequency points that the UE can measure. Since the UEs produced by the terminal equipment manufacturers have different performances, some UEs can The number of measured frequency points may be greater than the minimum value. In order to fully utilize the frequency point measurement capability of the UE, the base station needs to know the maximum number of frequency points that the UE can measure.
  • FDD Frequency Division Duplexing
  • TDD Time Division Duplexing
  • protocol TS25.101 Universal Mobile Telecommunications (Universal Mobile Telecommunications) System, UMTS) has frequency band 1 (upstream 1920MHz-1980 MHz and downlink 2110 MHz -2170 MHz), band 8 (upstream 880 MHz) -915 MHz and downlink 925 MHz -960 MHz), etc.; protocol TS36.101 specifies that there is band 18 in the FDD of LTE (upstream 815 MHz -830) MHz and downlink 860 MHz -875 MHz), etc., there is band 42 in the TDD of LTE (3400 MHz -3600 MHz) and so on.
  • FDD Frequency Division
  • TDD Time Division Duplexing
  • the frequency points that can be measured by the UE should fall within part or all of the frequency bands specified by the protocol.
  • the base station receives the maximum value of the number of frequency points that the UE can measure, and receives the frequency point that the UE can measure.
  • the base station determines, according to the maximum value and the frequency point that the UE can measure, the frequency point that the UE needs to measure from the plurality of frequency points pre-configured by the UE.
  • the specific configuration process and the reporting process of the frequency point that can be measured by the UE and the maximum number of frequency points that can be measured are detailed in the following embodiments, and details are not described herein again.
  • the UE needs to perform frequency point measurement, and the base station performs frequency point measurement control on the UE after receiving information sent by other devices in the network.
  • the base station receives the preset information, where the preset information is used to trigger the base station to determine the number of frequency points that the UE needs to measure.
  • the UE needs to perform multiple frequency point measurements.
  • the preset information received by the base station will be different, and the body that sends the preset information to the base station will also be different.
  • the entity that sends the preset information to the base station is the UE, and the preset information reported by the UE is an event related thereto.
  • the base station receives a preset event reported by the UE, where the preset event indicates that the signal quality of the serving cell received by the UE is less than a preset threshold or indicates that the UE receives the event. The difference between the signal quality of the serving cell and the received signal quality of the neighboring cell reaches a preset threshold.
  • the signal quality of the serving cell to which it belongs is always measured.
  • the parameters that characterize the signal quality include but are not limited to the reference signal receiving power. (Reference Signal Receiving Power, RSRP) and Reference Signal Receiving (Reference Signal Receiving) Quality, RSRQ), etc.
  • RSRP Reference Signal Receiving Power
  • RSRQ Reference Signal Receiving Quality
  • the quality of the signal is less than the preset threshold, it indicates that the serving cell is unable to provide good service for the UE.
  • the throughput of the UE is low or there is a possibility of dropped calls, and the UE needs to switch to another cell.
  • the case is reported to the base station, which is also referred to as reporting the A2 event.
  • the base station performs frequency point measurement control on the UE according to the A2 event reported by the UE to find a suitable target cell for handover.
  • the signal quality of the UE is required to be reported to the base station. For example, when the difference between the signal quality of the serving cell and the signal quality of the neighboring cell is less than the preset threshold, the UE reports the A3 to the base station. For the event, the base station performs frequency point measurement control on the UE according to the A3 event reported by the UE, and details are not described herein.
  • the entity that sends the preset information to the base station is the core network.
  • the base station receives a paging message sent by a core network.
  • LTE uses full packet switching (Packet Switch, PS) domain network structure, no traditional circuit switching for carrying voice services (Circuit Switch, CS) domain.
  • a UE in an LTE network performs voice services, it must find a suitable second generation (the 2nd generation, 2G) / third generation (the 3rd)
  • the Generation, 3G) network carries the voice service on the CS domain of the 2G/3G network.
  • circuit-switched domain fallback (Circuit Switched) Fallback, CSFB) voice service solution after receiving the paging request from the calling UE, the core network passes the mobility management entity (Mobility Management).
  • Entity MME
  • MME sends a paging message to the base station, and after receiving the paging message sent by the core network, the base station forwards the paging message to the called UE under it, and performs frequency point measurement control on the UE to find a suitable 2G.
  • the /3G network carries the voice service of the called UE.
  • step S102 the base station determines, according to the maximum value of the number of frequency points that the UE can measure, the number of frequency points that the UE needs to measure, and the number of frequency points that the UE needs to measure is less than or equal to the UE.
  • the maximum number of frequency points that can be measured is less than or equal to the UE.
  • the frequency points of multiple neighboring cells are configured in each base station, and the neighboring cells may be in the same frequency, the same frequency, the same system, and different systems as the base station.
  • the base station After receiving the preset information, the base station determines the number of frequency points that the UE needs to measure according to the maximum value of the number of frequency points that the UE can measure.
  • the base station after receiving the A2 event reported by the UE or the paging message sent by the core network, the base station reads the maximum number of frequency points that the UE can measure, and combines multiple neighboring areas configured by the base station. For the frequency point, the minimum value is taken as the number of frequency points that the UE needs to measure. For example, the maximum number of frequency points that the UE can measure is 10, and if the number of neighboring frequency points configured in the base station is 5, the number of frequency points that the UE needs to measure is 5; if the neighboring area configured in the base station The frequency point is 20, and the number of frequency points that the UE needs to measure is 10.
  • the method of determining the number of frequency points that the UE needs to measure is not specifically limited herein.
  • step S103 the base station determines a frequency point that the UE needs to measure according to the number of frequency points that the UE needs to measure and the frequency point that the UE can measure.
  • the frequency points to be measured are selected from the neighboring frequency points configured by the base station.
  • the selection process is specifically as follows: the neighbor frequency points configured in the base station are sorted according to rules, and the ordering rules are determined by the base station, and may be arranged according to the priority of the neighboring area from high to low, according to the number of times the UE has cut into the neighboring area. Arrange from far to small.
  • the base station selects the previous neighbor frequency points from the aligned neighbor frequency points as the frequency points that the UE needs to measure; if the base station receives the core network transmission search For the message, the base station selects the frequency points of the previous 2G/3G networks from the aligned neighbor frequency points, and the number of frequency points is determined by the above steps. If the neighboring frequency of the 2G/3G network is less than the number determined by the foregoing steps, the neighboring frequency of all 2G/3G networks is used as the frequency that the UE needs to measure.
  • the neighbor frequency selected by the above steps must fall within the capability of the UE frequency measurement.
  • the method for the base station to determine the frequency point that the UE needs to measure and the number of frequency points to be measured may also be various, and will not be further described herein.
  • the base station uses one of the maximum number of frequency points that the UE can measure as one of the parameters for determining the number of frequency points that the UE needs to measure, so that the final result determined is more than the prior art, and the number of frequency points is also larger.
  • the measurement capability of the UE is not exceeded, so that the measurement capability of the UE is fully utilized.
  • step S104 the base station sends a frequency point that the UE needs to measure.
  • the base station sends the frequency point that the UE needs to measure in the foregoing step to the UE.
  • the manner of the delivery is similar to that of the UE.
  • the manner in which the UE reports is detailed in the following embodiments, and details are not described herein again.
  • FIG. 2 is a flowchart showing an implementation process of a frequency point measurement control method according to another embodiment of the present invention.
  • an execution body of the process is a UE, and the implementation process is as follows:
  • step S201 the user equipment UE reports to the base station the frequency point that the UE can measure and the maximum number of frequency points that the UE can measure, so that the base station can measure the number of frequency points according to the UE.
  • the maximum value determines the number of frequency points that the UE needs to measure, and determines the frequency point that the UE needs to measure according to the number of frequency points that the UE needs to measure and the frequency point that the UE can measure, and the UE needs
  • the number of measured frequency points is less than or equal to the maximum value of the number of frequency points that the UE can measure.
  • the UE may pass a control channel or an interactive signaling, such as an uplink uplink control channel (Physical uplink control). Channel, PUCCH), Radio Resource Control Protocol (Radio Resource Control, RRC) signaling, reporting the frequency point that can be measured and the maximum number of frequency points that can be measured to the base station.
  • a control channel or an interactive signaling such as an uplink uplink control channel (Physical uplink control). Channel, PUCCH), Radio Resource Control Protocol (Radio Resource Control, RRC) signaling, reporting the frequency point that can be measured and the maximum number of frequency points that can be measured to the base station.
  • RRC Radio Resource Control
  • the UE In S301, the UE generates radio access capability information, where the radio access capability information includes a frequency point that the UE can measure and a maximum value of the number of frequency points that the UE can measure.
  • the radio access capability information characterizes the radio access capability of the UE in the process of communicating with the base station, including but not limited to the UE type, whether to support the transmit antenna selection, and the frequency point that can be measured.
  • the UE configures its own radio access capability information, and fills in the above parameters in the UE-EUTRA-Capability of the RRC signaling UECapabilityInformation, where the FreqMonitorCap cell included in the UE-EUTRA-Capability indicates that the UE can The maximum number of measured frequency points.
  • the UE reports the radio access capability information to the base station in an access phase.
  • the UE reports the radio access capability information of the foregoing configuration to the base station through the RRC signaling UECapabilityInformation in the access phase, so that the base station can refer to and use in the subsequent communication process with the UE.
  • step S202 the UE receives a frequency point that the UE that is sent by the base station needs to measure.
  • the UE reports a preset event to the base station before the step S202.
  • the event indicates that the signal quality of the serving cell received by the UE is less than a preset threshold or that the difference between the signal quality of the serving cell received by the UE and the signal quality of the received neighboring cell reaches a preset threshold, and is used for triggering.
  • the base station determines the number of frequency points that the UE needs to measure.
  • the preset event may be an A2 event, an A3 event, or the like, and details are not described herein again.
  • the base station After receiving the preset event reported by the UE, the base station sends a frequency point to be measured by the UE.
  • the process in which the base station determines and delivers the frequency point that the UE needs to measure has been described in the foregoing embodiment, and details are not described herein again.
  • the UE receives the frequency points that need to be measured sent by the base station, and measures the frequency points in subsequent steps. The manner of receiving is similar to that of the UE, and is not described here.
  • step S203 the UE performs measurement on a frequency point that the UE that is sent by the base station needs to measure.
  • the UE performs measurement on the frequency point sent by the base station, and the measurement result includes but is not limited to the signal quality of the frequency points received by the UE and the corresponding cell identifier, and the signal quality may be RSRP, RSRQ or The combination is represented, and is not limited herein.
  • the base station is one of the parameters of the number of frequency points that the UE can measure, the frequency point measurement does not exceed the measurement capability of the UE, and the measurement result is compared with the prior art. More comprehensive than that.
  • step S203 specifically:
  • the UE returns a measurement result to the base station, where the measurement result is obtained by measuring a frequency point that the UE needs to measure.
  • the UE returns the measurement result obtained in the above step to the base station.
  • the UE receives a handover instruction sent by the base station, and the handover instruction is made by the base station according to the measurement result.
  • the UE if the UE reports the A2 event and performs frequency point measurement, the UE receives the handover instruction sent by the base station and the cell identifier of the target cell; if the core network sends the paging message to the base station, The frequency point measurement, the UE receives the voice service fallback command sent by the base station and the cell identifier of the target cell.
  • the UE performs the handover instruction sent by the base station.
  • the UE performs the received handover instruction. For example, if a handover command caused by a signal quality change is received, an access request is initiated to the target cell according to the received cell identifier, and the radio link with the original cell is released, and the handover process is completed; if the voice service is received, the voice service is dropped.
  • the handover command initiates an access request to the target cell according to the cell identifier, and carries the voice service on the CS domain of the target cell.
  • the base station performs the transmission switching instruction according to the frequency point measurement result of the UE, and the instruction made by the base station to the UE according to the more comprehensive measurement result is inevitably superior to the prior art, thereby It can reduce the probability of dropped calls during UE handover and improve network performance.
  • the UE reports the maximum number of frequency points that can be measured by the UE to the base station.
  • the base station needs to send the UE according to the maximum number of frequency points that the UE can measure.
  • the measured frequency points make full use of the UE's frequency point measurement capability, thereby reducing the probability of dropped calls during UE handover and improving network performance.
  • FIG. 5 is an example of an interaction process of a frequency point measurement control method according to an embodiment of the present invention, as shown in FIG.
  • the UE generates radio access capability information, where the radio access capability information includes a frequency point that the UE can measure and a maximum value of the number of frequency points that the UE can measure;
  • the UE reports the radio access capability information to the base station during the access phase
  • the UE reports the A2 event
  • the base station determines, according to the maximum value of the number of frequency points that the UE can measure, the number of frequency points that the UE needs to measure;
  • the base station determines, according to the number of frequency points that the UE needs to measure and the frequency point that the UE can measure, the frequency point that the UE needs to measure;
  • the base station sends the frequency point that the UE needs to measure
  • the UE measures the frequency of the UE that needs to be measured by the UE sent by the base station;
  • the UE returns a measurement result to the base station
  • the base station sends a handover instruction to the UE according to the measurement result
  • the UE switches to the target cell.
  • FIG. 6 is a flowchart of an interaction process of a frequency point measurement control method according to another embodiment of the present invention, which is shown in the following example, in which the core network sends a paging message to the base station and the UE performs the frequency point measurement.
  • the UE generates radio access capability information, where the radio access capability information includes a frequency point that the UE can measure and a maximum value of the number of frequency points that the UE can measure;
  • the UE reports the radio access capability information to the base station during the access phase
  • the core network sends a paging message to the base station
  • the base station After receiving the paging message, the base station determines, according to the maximum value of the number of frequency points that the UE can measure, the number of frequency points that the UE needs to measure;
  • the base station determines, according to the number of frequency points that the UE needs to measure and the frequency point that the UE can measure, the frequency point that the UE needs to measure;
  • the base station sends the frequency point that the UE needs to measure
  • the UE measures the frequency of the UE that needs to be measured by the UE sent by the base station;
  • the UE returns a measurement result to the base station
  • the base station sends a handover instruction of the voice service fallback to the UE according to the measurement result
  • the UE carries the language service to the target cell.
  • FIG. 7 is a structural block diagram of a frequency point measurement control apparatus according to an embodiment of the present invention, which is respectively located in a base station and a UE, and is used to operate the frequency point measurement control described in FIG. 1 to FIG. 4 of the embodiment of the present invention, respectively. method. For the convenience of explanation, only the parts related to the present embodiment are shown.
  • the device in the base station, the device includes:
  • the receiving unit 71 receives the frequency point that the UE can report and the maximum number of frequency points that the UE can measure.
  • the determining unit 72 is configured to receive, by the receiving unit 71, a maximum value of the number of frequency points that the UE can measure and a frequency point that the UE can measure, according to a maximum value of the number of frequency points that the UE can measure.
  • the number of frequency points that the UE needs to measure, and the number of frequency points that the UE needs to measure is less than or equal to the maximum value of the number of frequency points that the UE can measure.
  • the sending unit 73 receives the frequency point that the UE determines to be measured by the determining unit 72, and delivers the frequency point that the UE needs to measure.
  • the receiving unit 71 receives the preset information, where the preset information is used to trigger the base station to determine the number of frequency points that the UE needs to measure.
  • the preset information includes: a preset event reported by the UE, where the preset event indicates that the signal quality of the serving cell received by the UE is less than a preset threshold or indicates that the UE receives the serving cell. The difference between the signal quality and the received signal quality of the neighboring cell reaches a preset threshold.
  • the preset information includes:
  • the paging message sent by the core network is a paging message sent by the core network.
  • the device includes:
  • the sending unit 74 is configured to report, to the base station, a frequency point that the UE can measure and a maximum value of the number of frequency points that the UE can measure, so that the base station determines, according to the maximum value of the number of frequency points that the UE can measure.
  • the number is less than or equal to the maximum number of frequency points that the UE can measure.
  • the receiving unit 75 receives the frequency point that the UE that is sent by the base station needs to measure.
  • the measuring unit 76 receives the frequency point that the UE needs to measure measured by the receiving unit 75, and performs measurement on the frequency point that the UE sends the UE to measure.
  • it also includes:
  • the generating unit generates radio access capability information, where the radio access capability information includes a frequency point that the UE can measure and a maximum value of the number of frequency points that the UE can measure.
  • the sending unit 74 receives the radio access capability information transmitted by the generating unit, and reports the radio access capability information to the base station in an access phase.
  • the sending sub-unit 74 reports a preset event to the base station, where the preset event indicates that the signal quality of the serving cell received by the UE is less than a preset threshold or indicates the signal quality and reception of the serving cell received by the UE.
  • the difference between the signal quality of the neighboring cell reaches a preset threshold, and is used to trigger the base station to determine the number of frequency points that the UE needs to measure.
  • the device further includes:
  • the measurement result returning unit receives the measurement result sent by the measurement unit 76, and returns a measurement result to the base station, where the measurement result is obtained by measuring a frequency point that the UE needs to measure.
  • an instruction receiving unit configured to receive a handover instruction sent by the base station, where the handover instruction is made by the base station according to the measurement result.
  • the instruction execution unit receives the preset instruction sent by the instruction receiving unit, and executes the switching instruction sent by the base station.
  • the UE reports the maximum number of frequency points that can be measured by the UE to the base station.
  • the base station needs to send the UE according to the maximum number of frequency points that the UE can measure.
  • the measured frequency points make full use of the UE's frequency point measurement capability, thereby reducing the probability of dropped calls during UE handover and improving network performance.
  • FIG. 8 is a block diagram showing the hardware structure of a frequency point measurement control apparatus according to an embodiment of the present invention.
  • the device is located in the base station and the UE, respectively, for running the frequency point measurement control method described in FIG. 1 to FIG. 4 of the embodiment of the present invention. For the convenience of explanation, only the parts related to the present embodiment are shown.
  • the apparatus includes a processor 811, a memory 812, a bus 813, and an antenna 814.
  • the processor 811, the memory 812, and the antenna 814 communicate with each other through the bus 813;
  • the memory 812 is configured to store a program
  • the processor 811 is configured to execute a program stored in the memory 812;
  • the antenna 814 is configured to receive, by the UE, a frequency point that the UE can measure and a maximum value of the number of frequency points that the UE can measure;
  • Determining a frequency point that the UE needs to measure according to the number of frequency points that the UE needs to measure and the frequency point that the UE can measure;
  • the antenna 814 is further configured to send a frequency point that the UE needs to measure.
  • the antenna 814 is configured to receive preset information, where the preset information is used to trigger the base station to determine the number of frequency points that the UE needs to measure.
  • the preset information includes: a preset event reported by the UE, where the preset event indicates that the signal quality of the serving cell received by the UE is less than a preset threshold or indicates that the UE receives the serving cell. The difference between the signal quality and the received signal quality of the neighboring cell reaches a preset threshold.
  • the preset information includes: a paging message sent by the core network.
  • the apparatus includes a processor 821, a memory 822, a bus 823, and an antenna 824, wherein the processor 821, the memory 822, and the antenna 824 communicate with each other through the bus 823;
  • the memory 822 is configured to store a program
  • the processor 821 is configured to execute a program stored in the memory 822;
  • the antenna 824 is configured to report, to the base station, a frequency point that the UE can measure and a maximum value of the number of frequency points that the UE can measure, so that the base station can determine the maximum number of frequency points that can be measured by the UE.
  • the value determines the number of frequency points that the UE needs to measure, and determines the frequency point that the UE needs to measure according to the number of frequency points that the UE needs to measure and the frequency point that the UE can measure, and the UE needs to measure.
  • the number of frequency points is less than or equal to a maximum value of the number of frequency points that the UE can measure;
  • the antenna 824 is further configured to receive a frequency point that the UE sends the UE to measure;
  • the frequency point that the UE sends the UE to measure is measured.
  • the antenna 824 is configured to report, to the base station, a frequency point that the UE can measure and a maximum value of the number of frequency points that the UE can measure, including:
  • the program is also used to:
  • radio access capability information includes a frequency point that the UE can measure and a maximum value of the number of frequency points that the UE can measure;
  • the antenna is configured to report the radio access capability information to the base station during an access phase.
  • the antenna 824 is further configured to report a preset event to the base station, where the preset event indicates that the signal quality of the serving cell received by the UE is less than a preset threshold or indicates that the UE receives the service.
  • the difference between the signal quality of the cell and the received signal quality of the neighboring cell reaches a preset threshold, and is used to trigger the base station to determine the number of frequency points that the UE needs to measure.
  • the antenna 824 is further configured to:
  • the measurement result is obtained by measuring a frequency point that the UE needs to measure
  • the program is also used to:
  • the UE reports the maximum number of frequency points that can be measured by the UE to the base station.
  • the base station needs to send the UE according to the maximum number of frequency points that the UE can measure.
  • the measured frequency points make full use of the UE's frequency point measurement capability, thereby reducing the probability of dropped calls during UE handover and improving network performance.

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Abstract

本发明适用于移动通信领域，提供了一种频点测量控制方法及基站、用户设备，包括：基站接收用户设备UE上报的所述UE能够测量的频点和所述UE能够测量的频点个数的最大值；根据所述UE能够测量的频点个数的最大值确定所述UE需要测量的频点个数；根据所述UE需要测量的频点个数和所述UE能够测量的频点确定所述UE需要测量的频点；下发所述UE需要测量的频点。本发明中，UE向基站上报自身能够测量的频点个数的最大值，当需要UE测量多个频点吋，基站根据UE能够测量的频点个数的最大值下发UE需要测量的频点，充分利用了UE的频点测量能力，进而降低UE切换吋的掉话概率，提升了网络性能。

Description

频点测量控制方法及基站、用户设备 技术领域
本发明属于移动通信领域，尤其涉及一种频点测量控制方法及基站、用户设备。
 背景技术
在长期演进（Long Term Evolution，LTE）通信系统中，许多情况下需要用户设备（User Equipment，UE）测量多个频点，例如切换过程。在切换过程中，基站，如演进型基站（Evolved NodeB，eNB），给UE下发多个不同小区的频点，UE对基站下发的多个频点进行测量，并把测量结果反馈给基站，然后由基站根据测量结果和预设的算法决定UE切换的目标小区。UE能够测量的频点个数越多，表示UE的频点测量能力越强，给基站反馈的测量信息越全面，基站就能够根据测量结果和各个小区的情况，在多个小区中找到更为适合该UE切换的目标小区。
在现有的基站和UE交互的过程中，UE并没有向基站上报自身频点测量能力，基站仅根据现有协议的规定，按最低要求给UE下发测量频点的个数。由于生产UE的设备厂商众多，UE的频点测量能力各不相同，在满足协议规定的最低要求的同时，可能有些UE的频点测量能力还会高于上述的最低要求。基站现有的机制没能充分利用这些UE的频点测量能力，不利于网络性能的提升。
如果基站在没有得知UE的频点测量能力的情况下盲目增大下发的测量频点个数，则容易造成下发的测量频点个数超过UE的频点测量能力，导致UE重配置失败，甚至掉话，进而需要重新接入，反而使网络性能变差。
 技术问题
本发明的目的在于提供一种频点测量控制方法，旨在解决不能充分利用UE的频点测量能力的问题。
 技术解决方案
第一方面，提供一种频点测量控制方法，包括：
基站接收用户设备UE上报的所述UE能够测量的频点和所述UE能够测量的频点个数的最大值；
所述基站根据所述UE能够测量的频点个数的最大值确定所述UE需要测量的频点个数，所述UE需要测量的频点个数小于或者等于所述UE能够测量的频点个数的最大值；
所述基站根据所述UE需要测量的频点个数和所述UE能够测量的频点确定所述UE需要测量的频点；
所述基站下发所述UE需要测量的频点。
结合第一方面，在第一方面的第一种可能的实现方式中，在所述基站接收UE上报的所述UE能够测量的频点和所述UE能够测量的频点个数的最大值之后，在所述所述基站根据所述UE能够测量的频点个数的最大值确定所述UE需要测量的频点个数之前，所述方法还包括：所述基站接收预设信息，所述预设信息用于触发所述基站确定所述UE需要测量的频点个数。
结合第一方面的第一种可能的实现方式，在第一方面的第二种可能的实现方式中，所述基站接收预设信息包括：所述基站接收所述UE上报的预设事件，所述预设事件表示所述UE接收到的服务小区的信号质量小于预设阈值或者表示所述UE接收到的服务小区的信号质量与接收到的邻区的信号质量之差达到预设阈值。
结合第一方面的第一种可能的实现方式，在第一方面的第三种可能的实现方式中，所述基站接收预设信息包括：所述基站接收核心网发送的寻呼消息。
第二方面，提供一种频点测量控制方法，包括：
用户设备UE向基站上报所述UE能够测量的频点和所述UE能够测量的频点个数的最大值，以使所述基站根据所述UE能够测量的频点个数的最大值确定所述UE需要测量的频点个数，并根据所述UE需要测量的频点个数和所述UE能够测量的频点确定所述UE需要测量的频点，所述UE需要测量的频点个数小于或者等于所述UE能够测量的频点个数的最大值；
所述UE接收所述基站下发的所述UE需要测量的频点；
所述UE对所述基站下发的所述UE需要测量的频点进行测量。
结合第二方面，在第二方面的第一种可能的实现方式中，所述UE向基站上报所述UE能够测量的频点和所述UE能够测量的频点个数的最大值包括：所述UE生成无线接入能力信息，所述无线接入能力信息包括所述UE能够测量的频点和所述UE能够测量的频点个数的最大值；所述UE在接入阶段向所述基站上报所述无线接入能力信息。
结合第二方面，在第二方面的第二种可能的实现方式中，在所述UE向基站上报所述UE能够测量的频点和所述UE能够测量的频点个数的最大值之后，在所述所述UE接收所述基站下发的所述UE需要测量的频点之前，所述方法还包括：所述UE向所述基站上报预设事件，所述预设事件表示所述UE接收到的服务小区的信号质量小于预设阈值或者表示所述UE接收到的服务小区的信号质量与接收到的邻区的信号质量之差达到预设阈值，用于触发所述基站确定所述UE需要测量的频点个数。
第三方面，提供一种基站，包括：
接收单元，用于接收UE上报的所述UE能够测量的频点和所述UE能够测量的频点个数的最大值；
确定单元，用于接收所述接收单元传送的所述UE能够测量的频点个数的最大值和所述UE能够测量的频点，根据所述UE能够测量的频点个数的最大值确定所述UE需要测量的频点个数，所述UE需要测量的频点个数小于或者等于所述UE能够测量的频点个数的最大值；
且根据所述UE需要测量的频点个数和所述UE能够测量的频点确定所述UE需要测量的频点；
发送单元，用于接收所述确定单元确定的所述UE需要测量的频点，下发所述UE需要测量的频点。
结合第三方面，在第三方面的第一种可能的实现方式中，所述接收单元还用于接收预设信息，所述预设信息用于触发所述基站确定所述UE需要测量的频点个数。
结合第三方面的第一种可能的实现方式，在第三方面的第二种可能的实现方式中，所述预设信息包括：所述UE上报的预设事件，所述预设事件表示所述UE接收到的服务小区的信号质量小于预设阈值或者表示所述UE接收到的服务小区的信号质量与接收到的邻区的信号质量之差达到预设阈值。
结合第三方面的第一种可能的实现方式，在第三方面的第三种可能的实现方式中，所述预设信息包括：核心网发送的寻呼消息。
第四方面，提供一种用户设备UE，包括：
发送单元，用于向基站上报所述UE能够测量的频点和所述UE能够测量的频点个数的最大值，以使所述基站根据所述UE能够测量的频点个数的最大值确定所述UE需要测量的频点个数，并根据所述UE需要测量的频点个数和所述UE能够测量的频点确定所述UE需要测量的频点，所述UE需要测量的频点个数小于或者等于所述UE能够测量的频点个数的最大值；
接收单元，用于接收所述基站下发的所述UE需要测量的频点；
测量单元，用于接收所述接收单元传送的所述UE需要测量的频点，对所述基站下发的所述UE需要测量的频点进行测量。
结合第四方面，在第四方面的第一种可能的实现方式中，还包括：生成单元，用于生成无线接入能力信息，所述无线接入能力信息包括所述UE能够测量的频点和所述UE能够测量的频点个数的最大值；所述发送单元具体用于接收所述生成单元发送的所述无线接入能力信息，在接入阶段向所述基站上报所述无线接入能力信息。
结合第四方面，在第四方面的第二种可能的实现方式中，所述发送单元，还用于向所述基站上报预设事件，所述预设事件表示所述UE接收到的服务小区的信号质量小于预设阈值或者表示所述UE接收到的服务小区的信号质量与接收到的邻区的信号质量之差达到预设阈值，用于触发所述基站确定所述UE需要测量的频点个数。
 有益效果
在本发明中，UE向基站上报自身能够测量的频点个数的最大值，当需要UE测量多个频点时，基站根据UE能够测量的频点个数的最大值下发UE需要测量的频点，充分利用了UE的频点测量能力，进而降低UE切换时的掉话概率，提升了网络性能。
 附图说明
图1是本发明实施例提供的频点测量控制方法的实现流程图；
图2是本发明另一实施例提供的频点测量控制方法的实现流程图；
图3是本发明另一实施例提供的频点测量控制方法步骤S201的具体实现流程图；
图4是本发明另一实施例提供的频点测量控制方法步骤S203之后的具体实现流程图；
图5是本发明实施例提供的频点测量控制方法的交互流程图；
图6是本发明另一实施例提供的频点测量控制方法的交互流程图；
图7是本发明实施例提供的频点测量控制装置的结构框图；
图8是本发明实施例提供的频点测量控制装置的硬件结构框图。
 本发明的实施方式
为了使本发明的目的、技术方案及优点更加清楚明白，以下结合附图及实施例，对本发明进行进一步详细说明。应当理解，此处所描述的具体实施例仅仅用以解释本发明，并不用于限定本发明。
在本发明实施例中，UE向基站上报自身能够测量的频点个数的最大值，当需要UE测量多个频点时，基站根据UE能够测量的频点个数的最大值下发UE需要测量的频点，充分利用了UE的频点测量能力，进而降低UE切换时的掉话概率，提升了网络性能。
图1示出了本发明实施例提供的频点测量控制方法的实现流程图，在本实施例中，流程的执行主体为基站，包括但不限于eNB等基站类型，实现流程详述如下：
在步骤S101中，基站接收用户设备UE上报的所述UE能够测量的频点和所述UE能够测量的频点个数的最大值。
通信系统中，存在多种情况需要UE测量多个频点。例如，由于UE接收到的服务小区的信号质量变差引起的切换、由于UE进行语音业务引起的切换等。无论是哪一种情况，均由基站对UE进行频点测量控制，决定需要UE测量的频点。基站确定UE需要测量的频点其中的一个依据是参考UE自身的性能。
在现有的第三代合作伙伴计划（the 3rd Generation Partnership Project，3GPP）的技术规范（Technical Specification，TS）36.133中规定了UE能够测量的频点个数的最小值，该参数是在异系统测量或者异频同系统测量时对UE频点测量能力的最小要求，各终端设备厂商生产的UE必须达到这一最小要求。基站根据协议约定，不需UE上报即可得知该最小值，但是协议并没有规定UE能够测量的频点个数的最大值，由于各终端设备厂商生产的UE性能各不相同，有些UE能够测量的频点个数可能大于该最小值。为了充分利用UE的频点测量能力，基站需要知道UE能够测量的频点个数的最大值。
每种制式的通信系统都存在多种工作频段，其中，又以频分双工（Frequency Division Duplexing，FDD）和时分双工（Time Division Duplexing，TDD）进行划分，如协议TS25.101中规定了通用移动通信系统（Universal Mobile Telecommunications System，UMTS）的FDD中有频段1（上行1920MHz-1980 MHz和下行2110 MHz -2170 MHz）、频段8（上行880 MHz -915 MHz和下行925 MHz -960 MHz）等等；协议TS36.101中规定了LTE的FDD中有频段18（上行815 MHz -830 MHz和下行860 MHz -875 MHz）等，LTE的TDD中有频段42（3400 MHz -3600 MHz）等。UE上报的能够测量的频点应该落在协议规定的部分或者全部频段内。在本发明实施例中，基站接收UE上报的该UE能够测量的频点个数的最大值，同时接收该UE能够测量的频点。在后续步骤中，基站根据上述最大值和UE能够测量的频点，从其预先配置的多个频点中确定该UE需要测量的频点。UE能够测量的频点和能够测量的频点个数的最大值的具体配置过程和上报过程在后续实施例中详述，在此不再赘述。
无论是哪一种情况需要UE进行频点测量，基站均是在收到网络中其他设备发送的信息后，对UE进行频点测量控制。在步骤S101之后，所述基站接收预设信息，所述预设信息用于触发所述基站确定所述UE需要测量的频点个数对。
不同原因引起的需要UE进行多个频点测量，基站接收的预设信息会不同，向基站发送预设信息的主体也会不同。当UE接收到的服务小区的信号质量变差时，向基站发送预设信息的主体为UE，UE上报的预设信息为与此相关的事件。作为本发明的一个实施例，所述基站接收所述UE上报的预设事件，所述预设事件表示所述UE接收到的服务小区的信号质量小于预设阈值或者表示所述UE接收到的服务小区的信号质量与接收到的邻区的信号质量之差达到预设阈值。
UE与服务小区连接时会一直测量其所属服务小区的信号质量，表征信号质量的参数包括但不限于参考信号接收功率 （Reference Signal Receiving Power， RSRP）和参考信号接收质量（Reference Signal Receiving Quality，RSRQ）等。当该信号质量小于预设阈值时，表示该服务小区已不能较好地为该UE提供服务，该UE的吞吐率较低或者有掉话的可能，需要切换到其他小区中去，UE将这种情况上报基站，也称为上报A2事件，基站根据UE上报的A2事件对UE进行频点测量控制，以寻找合适的目标小区进行切换。
由于UE接收到的信号质量变化进而需要向基站上报的情况还有很多种，例如，UE接收到的服务小区的信号质量与邻区的信号质量之差小于预设阈值时，UE向基站上报A3事件，基站根据UE上报的A3事件对UE进行频点测量控制，在此不在一一赘述。
当UE进行语音业务时，向基站发送预设信息的主体为核心网。作为本发明的另一实施例，所述基站接收核心网发送的寻呼消息。
由于LTE采用全分组交换（Packet Switch，PS）域网络结构，没有传统承载语音业务的电路交换（Circuit Switch，CS）域。当处于LTE网络下的UE进行语音业务时，必须寻找合适的第二代（the 2nd Generation，2G）/第三代（the 3rd Generation，3G）网络，将语音业务承载在该2G/3G网络的CS域上。例如，LTE中基于电路交换域回落（Circuit Switched Fallback，CSFB）的语音业务解决方案，核心网在收到主叫UE的寻呼请求后，通过移动管理实体（Mobility Management Entity，MME）向基站发送寻呼消息，基站在接收到核心网发送的寻呼消息后向其下的被叫UE转发该寻呼消息，并且对UE进行频点测量控制，以寻找合适的2G/3G网络承载该被叫UE的语音业务。
在步骤S102中，所述基站根据所述UE能够测量的频点个数的最大值确定所述UE需要测量的频点个数，所述UE需要测量的频点个数小于或者等于所述UE能够测量的频点个数的最大值。
在每个基站中都会配置多个邻区的频点，邻区可以为与该基站同频同系统、异频同系统、异系统等情况。基站接收到预设信息后，根据UE能够测量的频点个数的最大值确定所述UE需要测量的频点个数。
在本发明实施例中，在收到了UE上报的A2事件或者核心网发送的寻呼消息后，基站读取UE能够测量的频点个数的最大值，并结合自身配置的多个邻区的频点，取其中的最小值作为UE需要测量的频点个数。例如，UE能够测量的频点个数的最大值为10个，若基站中配置的邻区频点为5个，则UE需要测量的频点个数为5个；若基站中配置的邻区频点为20个，则UE需要测量的频点个数为10个。确定UE需要测量的频点个数的方法在此不做具体限定。
在步骤S103中，所述基站根据所述UE需要测量的频点个数和所述UE能够测量的频点确定所述UE需要测量的频点。
确定了UE需要测量的频点个数后，从基站配置的邻区频点中选出需要测量的频点。选择的过程具体为：将基站中配置的邻区频点按规则排序，排序的规则由基站自行决定，可以是按照邻区的优先级从高到低排列、按照UE曾经切入该邻区的次数从多到少排列等。若基站收到的是UE上报的A2事件，基站从排列好的邻区频点中选择前面若干个邻区频点作为该UE需要测量的频点；若基站收到的是核心网发送的寻呼消息，基站从排列好的邻区频点中选择前面若干个2G/3G网络的频点，频点个数由上述步骤确定。若2G/3G网络的邻区频点不足上述步骤确定的个数，则将全部2G/3G网络的邻区频点作为该UE需要测量的频点。
以上步骤选出的邻区频点必须落在UE频点测量的能力范围内。基站确定UE需要测量的频点和需要测量的频点个数的方法还可以有多种情况，在此不再一一赘述。
基站以UE能够测量的频点个数的最大值作为确定UE需要测量的频点个数的参数之一，使确定得到的最终结果与现有技术相比，频点个数更多，同时也不会超出UE的测量能力，从而充分利用了UE的测量能力。
在步骤S104中，所述基站下发所述UE需要测量的频点。
在本发明实施例中，基站向UE下发上述步骤中确定的UE需要测量的频点。下发的方式与UE上报的方式类似，UE上报的方式在后续实施例中详述，在此不再赘述。
图2示出了本发明另一实施例提供的频点测量控制方法的实现流程，在本实施例中，流程的执行主体为UE，其实现流程详述如下：
在步骤S201中，用户设备UE向基站上报所述UE能够测量的频点和所述UE能够测量的频点个数的最大值，以使所述基站根据所述UE能够测量的频点个数的最大值确定所述UE需要测量的频点个数，并根据所述UE需要测量的频点个数和所述UE能够测量的频点确定所述UE需要测量的频点，所述UE需要测量的频点个数小于或者等于所述UE能够测量的频点个数的最大值。
UE可以通过控制信道或者交互信令等，如上行物理控制信道（Physical uplink control channel，PUCCH）、无线资源控制协议（Radio Resource Control，RRC）信令，将其能够测量的频点和能够测量的频点个数的最大值上报给基站，作为本发明的一个实施例，UE通过RRC信令上报，如图3所示，步骤S201具体为：
在S301中，所述UE生成无线接入能力信息，所述无线接入能力信息包括所述UE能够测量的频点和所述UE能够测量的频点个数的最大值。
无线接入能力信息表征该UE在与基站通信过程中的无线接入能力，包括但不限于UE类型、是否支持发射天线选择和能够测量的频点等参数。在本发明实施例中，UE配置自身的无线接入能力信息，在RRC信令UECapabilityInformation的UE-EUTRA-Capability中填写上述参数，其中，UE-EUTRA-Capability中包含的FreqMonitorCap信元表示该UE能够测量的频点个数的最大值。
在S302中，所述UE在接入阶段向所述基站上报所述无线接入能力信息。
在本发明实施例中，UE在接入阶段将上述配置的无线接入能力信息通过RRC信令UECapabilityInformation上报给基站，以供基站在后续与该UE的通信过程中参考和使用。
在步骤S202中，所述UE接收所述基站下发的所述UE需要测量的频点。
由以基站为执行主体的实施例可知，如果UE需要测量多个频点是由其接收到的信号质量变化引起，在步骤S202之前，所述UE向所述基站上报预设事件，所述预设事件表示所述UE接收到的服务小区的信号质量小于预设阈值或者表示所述UE接收到的服务小区的信号质量与接收到的邻区的信号质量之差达到预设阈值，用于触发所述基站确定所述UE需要测量的频点个数。如上述实施例所述，预设事件可以为A2事件、A3事件等，在此不再赘述。
基站在接收到UE上报的预设事件后，会给UE下发需要测量的频点。基站确定并且下发UE需要测量的频点的过程已于上述实施例中阐述，在此不再赘述。在本发明实施例中，UE接收基站下发的需要测量的频点，并在后续步骤对这些频点进行测量。接收的方式与UE上报的方式类似，在此不再赘述。
在步骤S203中，所述UE对所述基站下发的所述UE需要测量的频点进行测量。
在本发明实施例中，UE对基站下发的频点进行测量，测量结果包括但不限于UE所在位置接收到的这些频点的信号质量和对应的小区标识，信号质量可以由RSRP、RSRQ或者其组合进行表示，在此不做限定。
由于基站是以UE能够测量的频点个数的最大值作为确定UE需要测量的频点个数的参数之一，使得频点测量不会超出UE的测量能力，同时测量结果与现有技术相比更全面。
UE完成频点测量后，如图4所示，步骤S203之后，具体为：
在S401中，所述UE向所述基站返回测量结果，所述测量结果是对所述UE需要测量的频点进行测量后得到。
在本发明实施例中，UE向基站返回上述步骤得到的测量结果。
在S402中，所述UE接收所述基站发送的切换指令，所述切换指令由所述基站根据所述测量结果做出。
在本发明实施例中，如果是由于UE上报了A2事件进而进行频点测量，则UE接收基站发送的切换指令和目标小区的小区标识；如果是由于核心网向基站发送了寻呼消息进而进行频点测量，则UE接收基站发送的语音业务回落指令和目标小区的小区标识。
在S403中，所述UE执行所述基站发送的所述切换指令。
在本发明实施例中，UE执行接收到的切换指令。例如，若接收到是信号质量变化引起的切换指令，则根据接收到的小区标识向目标小区发起接入请求，释放与原来小区的无线链路，完成切换过程；若接收到的是语音业务回落的切换指令，则根据小区标识向目标小区发起接入请求，将语音业务承载在目标小区的CS域上。
从上述步骤可知，基站是根据UE的频点测量结果而做出发送切换指令的，基站根据更全面的测量结果对UE做出的指令与现有技术相比，必然会更优的，由此能够降低UE切换时的掉话概率，提升网络性能。
在本发明实施例中，UE向基站上报自身能够测量的频点个数的最大值，当需要UE测量多个频点时，基站根据UE能够测量的频点个数的最大值下发UE需要测量的频点，充分利用了UE的频点测量能力，进而降低UE切换时的掉话概率，提升了网络性能。
图5以UE向基站上报A2事件进而进行频点测量为例，示出了本发明实施例提供的频点测量控制方法的交互流程图，详述如下：
1、UE生成无线接入能力信息，无线接入能力信息包括UE能够测量的频点和UE能够测量的频点个数的最大值；
2、UE在接入阶段向基站上报无线接入能力信息；
3、UE上报A2事件；
4、基站接收到A2事件后，根据UE能够测量的频点个数的最大值确定UE需要测量的频点个数；
5、基站根据UE需要测量的频点个数和UE能够测量的频点确定UE需要测量的频点；
6、基站下发UE需要测量的频点；
7、UE对基站下发的UE需要测量的频点进行测量；
8、UE向基站返回测量结果；
9、基站根据测量结果向UE发送切换指令；
10、UE切换到目标小区。
图6以核心网向基站发送寻呼消息进而UE进行频点测量为例，示出了本发明另一实施例提供的频点测量控制方法的交互流程图，详述如下：
1、UE生成无线接入能力信息，无线接入能力信息包括UE能够测量的频点和UE能够测量的频点个数的最大值；
2、UE在接入阶段向基站上报无线接入能力信息；
3、核心网向基站发送寻呼消息；
4、基站接收到寻呼消息后，根据UE能够测量的频点个数的最大值确定UE需要测量的频点个数；
5、基站根据UE需要测量的频点个数和UE能够测量的频点确定UE需要测量的频点；
6、基站下发UE需要测量的频点；
7、UE对基站下发的UE需要测量的频点进行测量；
8、UE向基站返回测量结果；
9、基站根据测量结果向所述UE发送语音业务回落的切换指令；
10、UE将语言业务承载到目标小区。
图7示出了本发明实施例提供的频点测量控制装置的结构框图，该装置分别位于基站和UE之中，分别用于运行本发明实施例图1至图4所述的频点测量控制方法。为了便于说明，仅示出与本实施例相关的部分。
如图7所示，在基站中，该装置包括：
接收单元71，接收UE上报的所述UE能够测量的频点和所述UE能够测量的频点个数的最大值。
确定单元72，接收所述接收单元71传送的所述UE能够测量的频点个数的最大值和所述UE能够测量的频点，根据所述UE能够测量的频点个数的最大值确定所述UE需要测量的频点个数，所述UE需要测量的频点个数小于或者等于所述UE能够测量的频点个数的最大值。
且根据所述UE需要测量的频点个数和所述UE能够测量的频点确定所述UE需要测量的频点。
发送单元73，接收所述确定单元72确定的所述UE需要测量的频点，下发所述UE需要测量的频点。
可选地，在基站中，
接收单元71，接收预设信息，所述预设信息用于触发所述基站确定所述UE需要测量的频点个数。
可选地，预设信息包括：所述UE上报的预设事件，所述预设事件表示所述UE接收到的服务小区的信号质量小于预设阈值或者表示所述UE接收到的服务小区的信号质量与接收到的邻区的信号质量之差达到预设阈值。
可选地，预设信息包括：
核心网发送的寻呼消息。
在UE中，该装置包括：
发送单元74，向基站上报所述UE能够测量的频点和所述UE能够测量的频点个数的最大值，以使所述基站根据所述UE能够测量的频点个数的最大值确定所述UE需要测量的频点个数，并根据所述UE需要测量的频点个数和所述UE能够测量的频点确定所述UE需要测量的频点，所述UE需要测量的频点个数小于或者等于所述UE能够测量的频点个数的最大值。
接收单元75，接收所述基站下发的所述UE需要测量的频点。
测量单元76，接收所述接收单元75传送的所述UE需要测量的频点，对所述基站下发的所述UE需要测量的频点进行测量。
可选地，还包括：
生成单元，生成无线接入能力信息，所述无线接入能力信息包括所述UE能够测量的频点和所述UE能够测量的频点个数的最大值。
发送单元74，接收所述生成单元传送的所述无线接入能力信息，在接入阶段向所述基站上报所述无线接入能力信息。
可选地，在UE中，
发送子单元74，向所述基站上报预设事件，所述预设事件表示所述UE接收到的服务小区的信号质量小于预设阈值或者表示所述UE接收到的服务小区的信号质量与接收到的邻区的信号质量之差达到预设阈值，用于触发所述基站确定所述UE需要测量的频点个数。
可选地，在UE中，该装置还包括：
测量结果返回单元，接收所述测量单元76发送的测量结果，向所述基站返回测量结果，所述测量结果是对所述UE需要测量的频点进行测量后得到。
指令接收单元，接收所述基站发送的切换指令，所述切换指令由所述基站根据所述测量结果做出。
指令执行单元，接收所述指令接收单元发送的所述预设指令，执行所述基站发送的所述切换指令。
在本发明实施例中，UE向基站上报自身能够测量的频点个数的最大值，当需要UE测量多个频点时，基站根据UE能够测量的频点个数的最大值下发UE需要测量的频点，充分利用了UE的频点测量能力，进而降低UE切换时的掉话概率，提升了网络性能。
图8示出了本发明实施例提供的频点测量控制装置的硬件结构框图。该装置分别位于基站和UE之中，用于运行本发明实施例图1至图4所述的频点测量控制方法。为了便于说明，仅示出与本实施例相关的部分。
如图8所示，在基站81中，该装置包括处理器811、存储器812、总线813和天线814。其中所述处理器811、所述存储器812和所述天线814通过所述总线813进行相互间的通信；
所述存储器812，用于存储程序；
所述处理器811用于执行所述存储器812中存储的程序；
所述天线814用于接收UE上报的所述UE能够测量的频点和所述UE能够测量的频点个数的最大值；
所述程序在被执行时，用于：
根据所述UE能够测量的频点个数的最大值确定所述UE需要测量的频点个数，所述UE需要测量的频点个数小于或者等于所述UE能够测量的频点个数的最大值；
根据所述UE需要测量的频点个数和所述UE能够测量的频点确定所述UE需要测量的频点；
所述天线814还用于下发所述UE需要测量的频点。
可选地，所述天线814用于接收预设信息，所述预设信息用于触发所述基站确定所述UE需要测量的频点个数。
可选地，预设信息包括：所述UE上报的预设事件，所述预设事件表示所述UE接收到的服务小区的信号质量小于预设阈值或者表示所述UE接收到的服务小区的信号质量与接收到的邻区的信号质量之差达到预设阈值。
可选地，预设信息包括：核心网发送的寻呼消息。
在UE82中，该装置包括处理器821、存储器822、总线823和天线824，其中所述处理器821、所述存储器822和所述天线824通过所述总线823进行相互间的通信；
所述存储器822，用于存储程序；
所述处理器821用于执行所述存储器822中存储的程序；
所述天线824用于向基站上报所述UE能够测量的频点和所述UE能够测量的频点个数的最大值，以使所述基站根据所述UE能够测量的频点个数的最大值确定所述UE需要测量的频点个数，并根据所述UE需要测量的频点个数和所述UE能够测量的频点确定所述UE需要测量的频点，所述UE需要测量的频点个数小于或者等于所述UE能够测量的频点个数的最大值；
所述天线824还用于接收所述基站下发的所述UE需要测量的频点；
所述程序在被执行时，用于：
对所述基站下发的所述UE需要测量的频点进行测量。
可选地，所述天线824用于向基站上报所述UE能够测量的频点和所述UE能够测量的频点个数的最大值包括：
所述程序还用于：
生成无线接入能力信息，所述无线接入能力信息包括所述UE能够测量的频点和所述UE能够测量的频点个数的最大值；
所述天线用于在接入阶段向所述基站上报所述无线接入能力信息。
可选地，所述天线824还用于向所述基站上报预设事件，所述预设事件表示所述UE接收到的服务小区的信号质量小于预设阈值或者表示所述UE接收到的服务小区的信号质量与接收到的邻区的信号质量之差达到预设阈值，用于触发所述基站确定所述UE需要测量的频点个数。
可选地，所述天线824还用于：
向所述基站返回测量结果，所述测量结果是对所述UE需要测量的频点进行测量后得到；
接收所述基站发送的切换指令，所述切换指令由所述基站根据所述测量结果做出；
所述程序还用于：
执行所述基站发送的所述切换指令。
在本发明实施例中，UE向基站上报自身能够测量的频点个数的最大值，当需要UE测量多个频点时，基站根据UE能够测量的频点个数的最大值下发UE需要测量的频点，充分利用了UE的频点测量能力，进而降低UE切换时的掉话概率，提升了网络性能。
以上所述仅为本发明的较佳实施例而已，并不用以限制本发明，凡在本发明的精神和原则之内所作的任何修改、等同替换和改进等，均应包含在本发明的保护范围之内。

Claims (14)

  1. 一种频点测量控制方法，其特征在于，包括：
    基站接收用户设备UE上报的所述UE能够测量的频点和所述UE能够测量的频点个数的最大值；
    所述基站根据所述UE能够测量的频点个数的最大值确定所述UE需要测量的频点个数，所述UE需要测量的频点个数小于或者等于所述UE能够测量的频点个数的最大值；
    所述基站根据所述UE需要测量的频点个数和所述UE能够测量的频点确定所述UE需要测量的频点；
    所述基站下发所述UE需要测量的频点。
  2. 如权利要求1所述的方法，其特征在于，在所述基站接收UE上报的所述UE能够测量的频点和所述UE能够测量的频点个数的最大值之后，在所述所述基站根据所述UE能够测量的频点个数的最大值确定所述UE需要测量的频点个数之前，所述方法还包括：
    所述基站接收预设信息，所述预设信息用于触发所述基站确定所述UE需要测量的频点个数。
  3. 如权利要求2所述的方法，其特征在于，所述基站接收预设信息包括：
    所述基站接收所述UE上报的预设事件，所述预设事件表示所述UE接收到的服务小区的信号质量小于预设阈值或者表示所述UE接收到的服务小区的信号质量与接收到的邻区的信号质量之差达到预设阈值。
  4. 如权利要求2所述的方法，其特征在于，所述基站接收预设信息包括：
    所述基站接收核心网发送的寻呼消息。
  5. 一种频点测量控制方法，其特征在于，包括：
    用户设备UE向基站上报所述UE能够测量的频点和所述UE能够测量的频点个数的最大值，以使所述基站根据所述UE能够测量的频点个数的最大值确定所述UE需要测量的频点个数，并根据所述UE需要测量的频点个数和所述UE能够测量的频点确定所述UE需要测量的频点，所述UE需要测量的频点个数小于或者等于所述UE能够测量的频点个数的最大值；
    所述UE接收所述基站下发的所述UE需要测量的频点；
    所述UE对所述基站下发的所述UE需要测量的频点进行测量。
  6. 如权利要求5所述的方法，其特征在于，所述UE向基站上报所述UE能够测量的频点和所述UE能够测量的频点个数的最大值包括：
    所述UE生成无线接入能力信息，所述无线接入能力信息包括所述UE能够测量的频点和所述UE能够测量的频点个数的最大值；
    所述UE在接入阶段向所述基站上报所述无线接入能力信息。
  7. 如权利要求5所述的方法，其特征在于，在所述UE向基站上报所述UE能够测量的频点和所述UE能够测量的频点个数的最大值之后，在所述所述UE接收所述基站下发的所述UE需要测量的频点之前，所述方法还包括：
    所述UE向所述基站上报预设事件，所述预设事件表示所述UE接收到的服务小区的信号质量小于预设阈值或者表示所述UE接收到的服务小区的信号质量与接收到的邻区的信号质量之差达到预设阈值，用于触发所述基站确定所述UE需要测量的频点个数。
  8. 一种基站，其特征在于，包括：
    接收单元，用于接收UE上报的所述UE能够测量的频点和所述UE能够测量的频点个数的最大值；
    确定单元，用于接收所述接收单元传送的所述UE能够测量的频点个数的最大值和所述UE能够测量的频点，根据所述UE能够测量的频点个数的最大值确定所述UE需要测量的频点个数，所述UE需要测量的频点个数小于或者等于所述UE能够测量的频点个数的最大值；且根据所述UE需要测量的频点个数和所述UE能够测量的频点确定所述UE需要测量的频点；
    发送单元，用于接收所述确定单元确定的所述UE需要测量的频点，下发所述UE需要测量的频点。
  9. 如权利要求8所述的基站，其特征在于，
    所述接收单元，还用于接收预设信息，所述预设信息用于触发所述基站确定所述UE需要测量的频点个数。
  10. 如权利要求9所述的基站，其特征在于，所述预设信息包括：所述UE上报的预设事件，所述预设事件表示所述UE接收到的服务小区的信号质量小于预设阈值或者表示所述UE接收到的服务小区的信号质量与接收到的邻区的信号质量之差达到预设阈值。
  11. 如权利要求9所述的基站，其特征在于，所述预设信息包括：
    核心网发送的寻呼消息。
  12. 一种用户设备UE，其特征在于，包括：
    发送单元，用于向基站上报所述UE能够测量的频点和所述UE能够测量的频点个数的最大值，以使所述基站根据所述UE能够测量的频点个数的最大值确定所述UE需要测量的频点个数，并根据所述UE需要测量的频点个数和所述UE能够测量的频点确定所述UE需要测量的频点，所述UE需要测量的频点个数小于或者等于所述UE能够测量的频点个数的最大值；
    接收单元，用于接收所述基站下发的所述UE需要测量的频点；
    测量单元，用于接收所述接收单元传送的所述UE需要测量的频点，对所述基站下发的所述UE需要测量的频点进行测量。
  13. 如权利要求12所述的UE，其特征在于，还包括：
    生成单元，用于生成无线接入能力信息，所述无线接入能力信息包括所述UE能够测量的频点和所述UE能够测量的频点个数的最大值；
    所述发送单元，具体用于接收所述生成单元传送的所述无线接入能力信息，在接入阶段向所述基站上报所述无线接入能力信息。
  14. 如权利要求12所述的UE，其特征在于，所述发送单元，还用于向所述基站上报预设事件，所述预设事件表示所述UE接收到的服务小区的信号质量小于预设阈值或者表示所述UE接收到的服务小区的信号质量与接收到的邻区的信号质量之差达到预设阈值，用于触发所述基站确定所述UE需要测量的频点个数。
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