WO2015062011A1 - 一种测量配置方法、识别和测量方法、宏基站及ue - Google Patents

一种测量配置方法、识别和测量方法、宏基站及ue Download PDF

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Publication number
WO2015062011A1
WO2015062011A1 PCT/CN2013/086292 CN2013086292W WO2015062011A1 WO 2015062011 A1 WO2015062011 A1 WO 2015062011A1 CN 2013086292 W CN2013086292 W CN 2013086292W WO 2015062011 A1 WO2015062011 A1 WO 2015062011A1
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WIPO (PCT)
Prior art keywords
base station
measurement gap
signal
gap pattern
macro base
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PCT/CN2013/086292
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English (en)
French (fr)
Inventor
李安俭
肖登坤
李红
左辰
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华为技术有限公司
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Publication date
Application filed by 华为技术有限公司 filed Critical 华为技术有限公司
Priority to CN201380001589.0A priority Critical patent/CN105264941A/zh
Priority to PCT/CN2013/086292 priority patent/WO2015062011A1/zh
Priority to EP13896593.4A priority patent/EP3065443B1/en
Publication of WO2015062011A1 publication Critical patent/WO2015062011A1/zh
Priority to US15/142,757 priority patent/US20160248533A1/en

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J11/00—Orthogonal multiplex systems, e.g. using WALSH codes
    • H04J11/0069—Cell search, i.e. determining cell identity [cell-ID]
    • H04J11/0086—Search parameters, e.g. search strategy, accumulation length, range of search, thresholds
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W24/00—Supervisory, monitoring or testing arrangements
    • H04W24/10—Scheduling measurement reports ; Arrangements for measurement reports
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J11/00—Orthogonal multiplex systems, e.g. using WALSH codes
    • H04J11/0069—Cell search, i.e. determining cell identity [cell-ID]
    • H04J11/0073—Acquisition of primary synchronisation channel, e.g. detection of cell-ID within cell-ID group
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J11/00—Orthogonal multiplex systems, e.g. using WALSH codes
    • H04J11/0069—Cell search, i.e. determining cell identity [cell-ID]
    • H04J11/0076—Acquisition of secondary synchronisation channel, e.g. detection of cell-ID group
    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W48/00—Access restriction; Network selection; Access point selection
    • H04W48/08—Access restriction or access information delivery, e.g. discovery data delivery
    • H04W48/10—Access restriction or access information delivery, e.g. discovery data delivery using broadcasted information
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
    • H04W52/02—Power saving arrangements
    • H04W52/0209—Power saving arrangements in terminal devices
    • H04W52/0212—Power saving arrangements in terminal devices managed by the network, e.g. network or access point is master and terminal is slave
    • H04W52/0216—Power saving arrangements in terminal devices managed by the network, e.g. network or access point is master and terminal is slave using a pre-established activity schedule, e.g. traffic indication frame
    • 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
    • H04W36/0094—Definition of hand-off measurement parameters
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W36/00—Hand-off or reselection arrangements
    • H04W36/04—Reselecting a cell layer in multi-layered cells
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W84/00—Network topologies
    • H04W84/02—Hierarchically pre-organised networks, e.g. paging networks, cellular networks, WLAN [Wireless Local Area Network] or WLL [Wireless Local Loop]
    • H04W84/04—Large scale networks; Deep hierarchical networks
    • H04W84/042—Public Land Mobile systems, e.g. cellular systems
    • H04W84/045—Public Land Mobile systems, e.g. cellular systems using private Base Stations, e.g. femto Base Stations, home Node B
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
    • Y02D30/00—Reducing energy consumption in communication networks
    • Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks

Definitions

  • the embodiments of the present invention relate to the field of communications technologies, and in particular, to a measurement configuration method, an identification and measurement method, a macro base station, and a UE.
  • the small base station and the macro base station are deployed at the same time, in order to play the function of the small base station to assist the macro base station to share the load, when the user equipment (User Equipment, UE) is close to the small base station, the UE can identify the small base station in time, and Radio resource management (RRM) measurement is performed on the small base station, and then the measurement result is sent to the macro base station.
  • RRM Radio resource management
  • the macro base station integrates the measurement results of the UE and other input conditions, such as network load, user service priority, etc., to finally determine whether to handover the UE to the small cell of the small base station, and the small cell of the small base station continues to provide services for the user. .
  • the identification and measurement of the inter-frequency cell is generally implemented by configuring a measurement gap for the UE.
  • the measurement gap is that the serving cell suspends data transmission and reception to some or some UEs according to a certain period. During this pause time, these UEs can tune its frequency to other frequency points and try to use other frequency points.
  • the cell is identified and the identified cell is measured.
  • F1 is a macro base station and F2 is a small base station, which have different frequency points.
  • small base stations are typically deployed in high frequency bands, such as 3.5 GHz, while macro base stations are typically deployed in lower frequency bands, such as 2 GHz.
  • the F1 suspension service is required, and the UE tunes to the frequency point of the F2, identifies and measures the cell that may exist on the F2, and then, if the measurement result satisfies the preset condition, The measurement result is reported to the serving base station F1.
  • the measurement gap pattern configured by the macro base station for the UE is generally fixed, as shown in Table 1.
  • an example of time calculation for identifying a small cell in a continuous signal receiving mode of the UE is as follows: Assume that there are three networks under current coverage, such as a global system for mobile communications (GSM), LTE, and a universal mobile communication system. (Universal Mobile Telecommunications System, UMTS) Overlap coverage, N Freq is equal to 3.
  • GSM global system for mobile communications
  • LTE Long Term Evolution
  • UMTS Universal Mobile Telecommunications System
  • the UE uses the measurement gap pattern 1 to identify a small cell of a small base station, and the time required is:
  • the UE When the UE is far away from the small base station, the chance of the UE switching to the small base station and providing the service by the small base station is small.
  • the UE needs to perform identification and measurement according to the pre-configured measurement gap pattern, for example, according to the measurement gap pattern 1 .
  • the measurement frequency is high, at the cost of affecting the current macro base station throughput, and at the same time, the UE is highly frequency-dependent.
  • the identification and measurement of small cells will also lead to unnecessary waste of power consumption of the UE.
  • the UE When the UE is relatively close to the small cell, the probability that the UE switches to the small base station and is served by the small base station is large. Similarly, the UE also uses the preset measurement gap pattern to perform the measurement, that is, the measurement gap measurement 1 is also performed, which may result in the cell search time being too long. As a result, the UE cannot identify the small cell of the small base station in time. In this way, the UE cannot access the small cell of the small base station in time, and thus the purpose of sharing the load by the small cell cannot be realized in time.
  • the present invention provides a measurement configuration method, a method for identifying and measuring, a macro base station, and a UE, which can reduce unnecessary power consumption for the UE, and can achieve the purpose of sharing the load in a timely manner by using a small cell.
  • the measurement configuration method provided by the first aspect of the embodiments of the present invention includes: the macro base station is a user equipment
  • the UE configures a first measurement gap pattern, where the first measurement gap pattern refers to a data format set by the macro base station to suspend data transmission with the UE when the UE identifies and measures a small base station. ;
  • the macro base station receives the indication information sent by the UE, where the indication information is used to indicate that the quality of the signal radiated by the small base station received by the UE is greater than or equal to a preset signal quality threshold, and the small base station radiates
  • the signal quality is measured by the UE according to the first measurement gap pattern; the macro base station configures a second measurement gap pattern for the UE, and the 'J amount gap period in the second measurement gap pattern is smaller than the The 'J amount gap period in the first measurement gap pattern.
  • the quality of the signal refers to the received signal. Power or signal to interference and noise ratio.
  • a second aspect of the embodiments of the present invention provides an identification and measurement method, where the method includes: receiving, by a user equipment, a signal radiated by a small base station according to a first measurement gap pattern configured by a macro base station, and measuring a quality of the signal, and Identifying and measuring a small cell of the small base station based on the signal;
  • the UE determines that the quality of the signal is greater than or equal to a preset signal quality threshold
  • the UE sends the indication information to the macro base station, where the indication information is used to request the macro base station to configure a second measurement gap pattern for the UE, where a measurement gap period in the second measurement gap pattern is smaller than the first Measuring the gap period in the gap pattern;
  • the signal identifies and measures the small cell of the small base station.
  • the method further includes: receiving, by the UE, frequency point information of the small base station that is sent by the macro base station, receiving time window information of the small base station radiation signal, and a physical layer cell identifier list.
  • the UE performs the first measurement gap pattern according to the configuration of the macro base station. Before receiving the signal radiated by the small base station, the method further includes: the UE switching to the signal continuous receiving mode.
  • the method further includes: the UE activating an idle radio frequency link, configured to identify and measure the small cell of the small base station.
  • the signal is a primary synchronization signal PSS or a secondary synchronization signal SSS or other pilot signals.
  • the quality of the signal refers to a power of a signal or a signal to interference and noise ratio.
  • the signal quality threshold is set by the macro base station, by broadcast or by radio resource control
  • the RRC dedicated message is notified to the UE or is set by the UE itself.
  • a third aspect of the embodiments of the present invention provides a macro base station, where the macro base station includes: a configuration unit, configured to configure a first measurement gap pattern for the user equipment UE, where the first measurement gap pattern refers to - a data format set by the macro base station to suspend data transmission with the UE when the UE identifies and measures a small base station;
  • a receiving unit configured to receive indication information sent by the UE, where the indication information is used to indicate that a quality of a signal radiated by the small base station received by the UE is greater than or equal to a preset signal quality threshold, the small base station The signal quality of the radiance is measured by the UE according to the first measurement gap pattern; the configuration unit is further configured to: after the receiving unit receives the indication information sent by the UE, configure the UE The second measurement gap pattern, wherein the measurement gap period in the second measurement gap pattern is smaller than the 'J amount gap period in the first measurement gap pattern.
  • the macro base station further includes: a sending unit, configured to send, to the UE, a frequency of the small base station Point information, the receiving time window information of the small base station radiated signal and the physical layer cell identifier list.
  • the quality of the signal refers to the received signal. Power or signal to interference and noise ratio.
  • a fourth aspect of the embodiments of the present invention provides a user equipment UE, where the UE includes: a receiving unit, configured to receive a signal radiated by a small base station according to a first measurement gap pattern configured by a macro base station; and a processing unit, configured to measure Determining a quality of the signal received by the receiving unit, and identifying and measuring a small cell of the small base station based on the signal received by the receiving unit;
  • a sending unit configured to send, to the macro base station, indication information, when the processing unit determines that the quality of the signal is greater than or equal to a preset signal quality threshold, where the indication information is used to request the macro base station to be
  • the UE is configured with a second measurement gap pattern, where a measurement gap period in the second measurement gap pattern is smaller than a 'J amount gap period in the first measurement gap pattern;
  • the receiving unit is further configured to receive a second measurement gap pattern configured by the macro base station, and receive a signal radiated by the small base station according to the second measurement gap pattern;
  • the processing unit is further configured to identify and measure the small cell of the small base station based on the signal received by the receiving unit according to the second measurement gap pattern.
  • the receiving unit before receiving the signal radiated by the small base station according to the first measurement gap pattern configured by the macro base station, And the method is: receiving frequency information of the small base station that is sent by the macro base station, where - a reception time window information of the small base station radiation signal and a physical layer cell identification list.
  • the UE further includes: a link activation unit, configured to activate an idle radio frequency link for the small size of the small base station before the receiving unit receives the signal radiated by the small base station according to the first measurement gap pattern configured by the macro base station The cell is identified and measured.
  • a link activation unit configured to activate an idle radio frequency link for the small size of the small base station before the receiving unit receives the signal radiated by the small base station according to the first measurement gap pattern configured by the macro base station The cell is identified and measured.
  • the signal is a primary synchronization signal PSS or a secondary synchronization signal SSS or other pilot signals.
  • the quality of the signal refers to a power of a signal or a signal to interference and noise ratio.
  • the signal quality threshold is set by the macro base station, by broadcast or by radio resource control
  • the RRC dedicated message informs the UE or is set by the UE itself.
  • a fifth aspect of the embodiments of the present invention provides another macro base station, where the macro base station includes: a first processor, configured to configure a first measurement gap pattern for the user equipment UE, where the first measurement gap pattern refers to The data format set by the macro base station to suspend data transmission with the UE when the UE identifies and measures a small base station;
  • a first receiver configured to receive indication information that is sent by the UE, where the indication information is used to indicate that a quality of a signal radiated by the small base station received by the UE is greater than or equal to a preset signal quality threshold, The signal quality radiated by the small base station is measured by the UE according to the first measurement gap pattern Pay
  • the first processor is further configured to: after the first receiver receives the indication information sent by the UE, configure a second measurement gap pattern for the UE, where the second measurement gap pattern is The measurement gap period is less than the measurement gap period in the first measurement gap pattern.
  • the macro base station further includes: a first transmitter, configured to send the small base station to the UE The frequency point information, the receiving time window information of the small base station radiated signal, and the physical layer cell identifier list.
  • a sixth aspect of the present invention provides another UE, where the UE includes: a second receiver, configured to receive, according to a first measurement gap pattern configured by a macro base station, a signal radiated by a small base station;
  • a second processor configured to measure a quality of the signal received by the second receiver, and identify and measure a small cell of the small base station based on the signal received by the second receiver;
  • a transmitter configured to send, to the macro base station, indication information, when the second processor determines that the quality of the signal is greater than or equal to a preset signal quality threshold, where the indication information is used to request the macro base
  • the station configures a second measurement gap pattern for the UE, where a measurement gap period in the second measurement gap pattern is smaller than a measurement gap period in the first measurement gap pattern;
  • the second receiver is further configured to receive a second measurement gap pattern configured by the macro base station, and receive a signal radiated by the small base station according to the second measurement gap pattern;
  • the second processor is further configured to identify and measure the small cell of the small base station based on the signal received by the second receiver according to the second measurement gap pattern.
  • the second receiver is further configured to: receive a small base station in a first measurement gap pattern configured according to a macro base station Before receiving the signal, the frequency point information of the small base station sent by the macro base station, the receiving time window information of the small base station radiation signal, and the physical layer cell identifier list are received.
  • the second processor is further configured to: The second receiver switches to the signal continuous reception mode before receiving the signal radiated by the small base station according to the first measurement gap pattern configured by the macro base station.
  • First - the second processor is further configured to activate an idle radio frequency link for the small base station before the second receiver receives the signal radiated by the small base station according to the first measurement gap pattern configured by the macro base station The cell is identified and measured.
  • the embodiments of the present invention have the following advantages:
  • the macro base station configures a first measurement gap pattern for the UE, and the macro base station receives the quality of the signal sent by the UE to indicate that the small base station receives the signal received by the UE is greater than or equal to the preset signal quality.
  • the macro base station configures a second measurement gap pattern for the UE, and the measurement gap period in the second measurement gap pattern is smaller than the measurement gap period in the first measurement gap pattern.
  • the macro base station changes the configured measurement gap pattern according to the quality of the radiation signal received by the UE; when the quality of the radiation signal received by the UE is less than the preset signal quality threshold, the UE may be far away from the small base station, and the Acer base The station configures a measurement gap pattern with a large measurement gap period (low measurement frequency) for the UE, which can reduce the impact on the throughput of the macro base station, and can reduce the power consumption for the identification and measurement of the inter-frequency cell for the UE; When the quality of the received radio signal is greater than or equal to the preset signal quality threshold, the UE may be close to the small cell, and the macro base station configures the measurement gap pattern with a small measurement gap period (high measurement frequency) for the UE. It is ensured that the UE can identify and access the small cell of the small base station in time, and realize the purpose of sharing the load in a timely manner by using the small cell.
  • FIG. 1 is a schematic diagram of an embodiment of a measurement configuration method according to an embodiment of the present invention.
  • FIG. 2 is a schematic diagram of another embodiment of a measurement configuration method according to an embodiment of the present invention.
  • FIG. 3 is a schematic diagram of an embodiment of a method for identifying and measuring according to an embodiment of the present invention
  • FIG. 4 is a schematic diagram of another embodiment of an identification and measurement method according to an embodiment of the present invention.
  • FIG. 5 is a schematic diagram of an embodiment of a macro base station according to an embodiment of the present invention.
  • FIG. 6 is a schematic diagram of another embodiment of a macro base station according to an embodiment of the present invention.
  • FIG. 7 is a schematic diagram of an embodiment of a UE according to an embodiment of the present invention.
  • FIG. 8 is a schematic diagram of another embodiment of a UE according to an embodiment of the present disclosure.
  • FIG. 9 is a schematic diagram of another embodiment of a macro base station according to an embodiment of the present invention.
  • FIG. 10 is a schematic diagram of another embodiment of a UE according to an embodiment of the present invention.
  • the embodiment of the present invention provides a measurement configuration method, an identification and measurement method, a macro base station, and a UE, which can reduce unnecessary power consumption for the UE, and can ensure that the UE accesses the small cell of the small base station in time.
  • an embodiment of a measurement configuration method in an embodiment of the present invention includes:
  • the macro base station configures a first measurement gap pattern for the user equipment UE.
  • the macro base station configures the first measurement gap pattern for the UE, so that the UE identifies and measures the small cell of the small base station and the small base station that may exist according to the first measurement gap pattern.
  • the first measurement gap pattern refers to a data format set by the macro base station to suspend data transmission with the UE when the UE identifies and measures the small base station.
  • the macro base station receives the indication information sent by the UE.
  • the UE When the measurement result of the UE meets the condition of reporting the macro base station, that is, the UE measures that the quality of the received signal of the small base station is greater than or equal to the preset signal quality threshold, the UE sends the indication information to the macro base station, and the macro base station receives the information sent by the UE. Instructions.
  • the indication information may be a simple command for the macro base station to configure the second measurement gap pattern for the UE; or the indication information includes the measurement result, and when the macro base station receives the indication information, the macro base station configures the UE The second measurement gap pattern.
  • the macro base station configures a second measurement gap pattern for the UE.
  • the macro base station When the macro base station receives the indication information sent by the UE, the UE may be close to the small base station and may receive the signal radiated by the small base station. Therefore, the macro base station configures the second measurement gap for the UE. pattern.
  • the measurement gap period in the second measurement gap pattern is smaller than the measurement gap period in the first measurement gap pattern, that is, the macro base station will configure the measurement gap pattern with a higher measurement frequency for the UE, so that the UE can quickly identify the small size.
  • a small cell of the base station is measured.
  • the second measurement gap pattern herein also refers to a data format set by the macro base station to suspend data transmission with the UE when the UE identifies and measures the small base station.
  • the macro base station changes the configured measurement gap pattern according to the quality of the signal radiated by the small base station received by the UE; when the quality of the received radiation signal of the UE is less than a preset signal quality threshold, the UE may be away from the small base station at this time.
  • the macro base station configures a measurement gap pattern with a large measurement gap period (low measurement frequency) for the UE, which can reduce the impact on the throughput of the macro base station, - capable of reducing power consumption for identification and measurement of inter-frequency cells for the UE; when the quality of the received radiation signal of the UE is greater than or equal to a preset signal quality threshold, the UE may already be close to the small cell, then the macro base station is The UE configures a measurement gap pattern with a small measurement gap period (high measurement frequency), which can ensure that the UE can identify and access the small cell of the small base station in time, and realize the purpose of sharing the load in a timely manner by using the small cell.
  • a small measurement gap period high measurement frequency
  • another embodiment of the measurement configuration method in the embodiment of the present invention includes:
  • the macro base station configures a first measurement gap pattern for the user equipment UE.
  • the UE When the UE is served by the macro base station, the UE is closer to the macro base station and is farther away from the small base station, and the macro base station configures the first measurement gap pattern for the UE, so that the UE can be small according to the first measurement gap pattern.
  • the small cells of the base station and the small base station perform identification and measurement.
  • the macro base station sends the frequency point information of the small base station to the UE, the receiving time window information of the small base station radiated signal, and the physical layer cell identifier list.
  • the macro base station sends the frequency point information of the small base station to the UE, the receiving time window information of the small base station radiated signal, and the physical layer cell identifier that the UE needs to identify (Physical Cell) Identity, PCI) list and other information.
  • Physical Cell Physical Cell
  • the frequency point information of the small base station is used to inform the UE of the current small base stations, and the receiving time window information of the small base station radiation signal includes the size of the receiving time window, the starting position, and the like, and is used to notify the UE to receive the small size.
  • the time period in which the base station radiates the signal; the physical layer cell identification list is used to inform the UE of the identity of the small cell of the small base station that needs to be identified.
  • the macro base station receives the indication information sent by the UE.
  • the UE tunes to the specified frequency point according to the frequency point information transmitted by the macro base station, and receives the radiation signal of the small base station according to the received time window information sent by the macro base station in a specified time period.
  • the UE measures the quality of the received signal.
  • the UE measures that the received radio signal quality of the small base station is greater than or equal to the preset signal quality threshold, the UE sends the indication information to the macro base station, and the macro base station receives the indication information sent by the UE.
  • the signal radiated by the small base station may be: Primary Synchronization Signal (PSS), Secondary Synchronization Signal (SSS) or other pilot signals.
  • PSS Primary Synchronization Signal
  • SSS Secondary Synchronization Signal
  • the quality of the signal refers to the power of the signal or the signal to noise. Ratio, that is, when the power or signal to noise ratio of the received radiation signal reaches the preset signal quality threshold, the UE sends an indication to the macro base station. - - Information.
  • the signal quality threshold can be preset by the macro base station and then controlled by broadcast or by radio resources.
  • the (Radio Resource Control, RRC) message is notified to the UE.
  • the signal quality threshold can also be set by the UE in advance.
  • the indication information sent by the UE to the macro base station may be a simple command for the macro base station to configure the second measurement gap pattern for the UE; or the indication information sent by the UE to the macro base station may include the measurement result, when the macro base station receives the When the indication information is received, the macro base station configures the second measurement gap pattern for the UE.
  • the macro base station configures a second measurement gap pattern for the UE.
  • the macro base station When the macro base station receives the indication information sent by the UE, the UE may be close to the small base station and may receive the signal radiated by the small base station. Therefore, the macro base station configures the second measurement gap for the UE. pattern.
  • the measurement gap period in the second measurement gap pattern is smaller than the measurement gap period in the first measurement gap pattern, that is, the macro base station will configure the measurement gap pattern with a higher measurement frequency for the UE, so that the UE can quickly identify the small gap. Small cell of the base station and measured.
  • the first measurement gap pattern and the second measurement gap pattern in this embodiment all refer to a data format set by the macro base station to suspend data transmission with the UE when the UE identifies and measures the small base station.
  • the macro base station when the UE is served by the macro base station, the macro base station sends related information of the small base station to the UE, and the macro base station changes the configured measurement gap pattern according to the quality of the signal radiated by the small base station received by the UE; The quality of the radiated signal received by the UE is smaller than the preset signal quality threshold.
  • the UE may be far away from the small base station, and the macro base station configures the measurement gap pattern with a large measurement gap period (low measurement frequency) for the UE, which can reduce the pair.
  • the impact of the throughput of the macro base station can reduce the power consumption for the identification and measurement of the inter-frequency cell for the UE; when the quality of the received radio signal is greater than or equal to the preset signal quality threshold, the UE may be close to For a small cell, the macro base station configures a measurement gap pattern with a small measurement gap period (high measurement frequency) for the UE, and ensures that the UE can identify and access the small cell of the small base station in time, thereby realizing the purpose of sharing the load in a small cell. .
  • an embodiment of a method for identifying and measuring an embodiment of the present invention includes:
  • the UE receives the signal radiated by the small base station according to the first measurement gap pattern configured by the macro base station, and - measuring the quality of the received signal and identifying and measuring small cells of the small base station based on the received signals;
  • the macro base station configures a first measurement gap pattern for the UE, where the first measurement gap pattern refers to the macro base station suspending data transmission between the UE and the UE when the UE identifies and measures the small base station. Set the data format.
  • the UE receives the signal radiated by the small base station according to the first measurement gap pattern configured by the macro base station, and identifies and measures the small base station that may exist based on the received signal.
  • the signal radiated by the small base station received here may be a PSS signal, an SSS signal or other pilot signals.
  • the UE determines that the quality of the received signal is greater than or equal to a preset signal quality threshold, the UE sends the indication information to the macro base station.
  • the UE After receiving the signal radiated by the small base station, the UE determines whether the quality of the received signal is greater than or equal to a preset signal quality threshold. If it is greater than or equal to, the UE is closer to the small base station and can receive the small base station well.
  • the radiated signal is expected to be served by a small base station.
  • the UE sends the indication information to the macro base station, where the indication information is used to request the macro base station to configure the second measurement gap pattern for the UE, and the indication information may be a simple command, where the command is used to request the macro base station to configure the second measurement gap pattern for the UE. Or the indication information includes the measurement result.
  • the macro base station receives the indication information, the macro base station configures the second measurement gap pattern for the UE.
  • the method for the UE to send the indication information to the macro base station may be: media access control (Media)
  • the Protocol Data Unit (PDU) of the Access Control, MAC) layer is implemented, or implemented by RRC signaling. It is better to report the indication information using the PDU of the MAC layer, because the indication information is reported in this manner faster than the RRC signaling.
  • PDU Protocol Data Unit
  • the UE receives the second measurement gap pattern configured by the macro base station, receives the signal radiated by the small base station according to the second measurement gap pattern, and identifies and measures the small cell of the small base station based on the received signal radiated by the small base station.
  • the macro base station After receiving the indication information sent by the UE, the macro base station configures a second measurement gap pattern for the UE, where the measurement gap period in the second measurement gap pattern is smaller than the measurement gap period in the first measurement gap pattern.
  • the UE receives, by the UE, a second measurement gap pattern configured by the macro base station, and receiving the second measurement gap pattern according to the second measurement gap pattern - a signal radiated by the type base station, and identifying and measuring small cells of the small base station based on the received signal.
  • the UE determines the quality of the signal radiated by the received small base station.
  • the UE sends the macro to the base.
  • FIG. 4 another embodiment of the identification and measurement method in the embodiment of the present invention includes:
  • the UE receives the frequency point information of the small base station sent by the macro base station, the receiving time window information of the small base station radiation signal, and the physical layer cell identifier list.
  • the macro base station When the UE enters the area covered by the macro base station and is served by the macro base station, the macro base station sends a small message to the UE in order to enable the UE to accurately identify and measure the small base station, thereby realizing the small base station to share the load for the macro base station.
  • the frequency information of the small base station is used to inform the UE which frequency points have small base stations, and the frequency of the small base station is higher than the frequency of the macro base station;
  • the receiving time window information of the small base station radiation signal includes receiving The size of the time window, the bit start, etc., are used to inform the UE of the time period for receiving the small base station radiation signal;
  • the physical layer cell identification list is used to inform the UE of the identity of the small cell of the small base station that needs to be identified.
  • the UE switches to a signal continuous receiving mode.
  • the UE does not need to constantly monitor the downlink data and perform related processing. Therefore, the UE is in the Discontinuous Reception (DRX) mode.
  • DRX Discontinuous Reception
  • the UE If the UE is in the signal discontinuous reception mode at this time, when the UE receives the frequency information of the small base station transmitted by the macro base station, the reception time window of the small base station radiation signal, and the physical layer cell identifier list, the UE can immediately The incoming signal continuous reception mode is switched to accelerate subsequent identification and measurement of small cells of the small base station.
  • the UE activates an idle radio frequency link.
  • the UE may activate an idle radio frequency link after switching to the signal continuous receiving mode, and is specifically used for identifying a small cell existing in the small base station. - - Do not measure, this will not interrupt the service of the current cell.
  • the UE receives the signal radiated by the small base station according to the first measurement gap pattern configured by the macro base station, measures the quality of the received signal, and identifies and measures the small cell of the small base station based on the received signal.
  • the macro base station interrupts the service of the current cell, and the UE receives the signal radiated by the d-type base station according to the first measurement gap pattern configured by the macro base station and measures the quality of the received signal.
  • the UE tunes to the specified frequency point (the frequency point where the small base station is located according to the frequency point information sent by the received macro base station), and then according to the receiving time window information sent by the macro base station at the designated starting position of the designated frequency point.
  • the signals radiated by the small base station can be: primary synchronization signal PSS, secondary synchronization signal SSS or other pilot signals.
  • the UE determines that the quality of the received signal is greater than a preset signal quality threshold
  • the UE sends the indication information to the macro base station, where the indication information is used to request the macro base station to configure the second measurement gap pattern for the UE; where the signal quality threshold is
  • the macro base station may be preset according to actual conditions, and then broadcast to the UE through the network, or notified to the UE by using an RRC dedicated message.
  • the signal power threshold here can also be preset by the UE itself.
  • the UE After the UE receives the PSS signal or the SSS signal or other pilots radiated by the small base station, it determines whether the quality of the received signal is greater than or equal to a preset signal quality threshold.
  • the signal quality here can refer to the power of the received signal, and can also refer to the signal to interference and noise ratio.
  • the UE determines that the quality of the received signal is greater than or equal to the preset signal quality threshold, it indicates that the UE is now close to the small base station as it moves, and the UE needs to quickly identify the small base station.
  • the UE sends indication information to the macro base station, where the indication information is used to request the macro base station to configure the second measurement gap pattern for the UE.
  • the measurement gap period in the second measurement gap pattern is smaller than the measurement gap period in the first measurement gap pattern, which increases the frequency of the measurement.
  • the indication information sent by the UE to the macro base station may be a simple command for the macro base station to configure the second measurement gap pattern for the UE; or the indication information sent by the UE to the macro base station may include the measurement result, when the macro base station receives the When the indication information is received, the macro base station configures the second measurement gap pattern for the UE.
  • the method for the specific UE to send the indication information to the macro base station may be: through media access control (Media - -
  • the Protocol Data Unit (PDU) of the Access Control, MAC) layer is implemented, or implemented by RRC signaling. It is better to report the indication information using the PDU of the MAC layer, because the indication information is reported in this manner faster than the RRC signaling.
  • PDU Protocol Data Unit
  • the UE receives the second measurement gap pattern configured by the macro base station, receives the signal radiated by the small base station according to the second measurement gap pattern, and identifies and measures the small cell of the small base station based on the received signal radiated by the small base station.
  • the process of the UE identifying and measuring the small cell of the small base station based on the received signal of the small base station is specifically: the UE obtains the physical layer cell identifier (ID, ID) by parsing the received PSS signal, and then obtains the SSS signal by analyzing the SSS signal.
  • ID physical layer cell identifier
  • the UE measures the reference signal receiving power (RSRP) of the identified small cell.
  • RSRP reference signal receiving power
  • the UE reports the identified small cell to the small cell.
  • the macro base station determines whether the UE is handed over to the cell by the macro base station.
  • the following is an example of a process in which the UE uses different measurement gap patterns to identify and measure small cells of a small base station.
  • Table 2 when the UE determines that the quality of the received signal is greater than or equal to a preset signal quality threshold, that is, the UE is close to For a small base station, the UE may use the measurement gap pattern A or B with a small measurement gap period in Table 2 to speed up the identification of the small cell; when the judgment result is that the quality of the received signal is less than the preset signal quality threshold, That is, when the UE is far away from the small base station, the UE can use the measurement gap pattern C or D with a large measurement gap period in Table 2 to save power consumption.
  • T Inter is the minimum available time for inter-frequency cell measurement within 480 milliseconds
  • N Freq is the number of network systems currently covered.
  • N Frc q is equal to 3.
  • the time required is:
  • the time required for the UE to identify the small cell existing in the small base station according to the fixed measurement gap pattern 1 is 23.04 seconds. Therefore, when the UE is close to the small base station, the method in this embodiment greatly reduces the recognition time and improves the recognition time. Identify efficiency. After the small cell of the small base station is identified by the UE, the small cell is measured, and the specific measurement time is related to the number of network systems currently covered by N Frcq . The measurement of the small cell is mainly to measure whether the RSRP of the small cell meets the reporting requirement. If yes, the UE reports the measurement result to the macro base station, and the macro base station determines whether to switch the UE.
  • steps 402 and 403 are optional steps. In an actual application, whether the steps 402 and 403 need to be enabled may be determined according to the actual situation of the UE, and steps 402 and 403 are simultaneously enabled. The order of steps 402 and 403 is not limited to the order provided by the embodiment.
  • the UE when the UE is served by the macro base station, the UE receives the related information of the small base station sent by the macro base station, switches to the continuous receiving mode, and activates the idle radio frequency link, which is used for identifying and measuring the small cell; Receiving, according to the first measurement gap pattern, the signal radiated by the small base station according to the information related to the small base station provided by the macro base station, and measuring the quality of the received signal, when determining that the quality of the received signal is greater than or equal to a preset signal quality threshold
  • the UE sends the indication information to the macro base station to request the macro base station to configure the second measurement gap pattern with a small measurement gap period for the UE, and then the UE identifies the small cell of the small base station according to the second measurement gap pattern with a small measurement gap period. And measurement, which can accelerate the identification and measurement of small cells, thereby realizing the purpose of sharing the load for the macro base station in time by using the small cell.
  • the macro base station according to the embodiment of the present invention for performing the foregoing measurement configuration method is described.
  • the basic logical structure of the embodiment is shown in FIG. 5.
  • One embodiment of the macro base station in the embodiment of the present invention includes: - a configuration unit 501, configured to configure a first measurement gap pattern for the user equipment UE, where the first measurement gap pattern refers to that when the UE identifies and measures the small base station, the macro base station pauses data transmission with the UE.
  • the receiving unit 502 is configured to receive the indication information sent by the UE, where the indication information is used to indicate that the quality of the signal radiated by the small base station received by the UE is greater than or equal to a preset signal quality threshold, where the signal quality of the small base station is controlled by the UE.
  • the first measurement gap pattern is measured;
  • FIG. 6 another embodiment of the macro base station in the embodiment of the present invention includes:
  • the configuration unit 601 is configured to configure a first measurement gap pattern for the user equipment UE, where the first measurement gap pattern refers to a macro base station configured to suspend data transmission between the UE and the UE when the UE identifies and measures the small base station.
  • Data Format
  • the sending unit 602 is configured to send to the UE, the frequency point information of the small base station, the receiving time window information of the small base station radiated signal, and the physical layer cell identifier list;
  • the receiving unit 603 is configured to receive the indication information sent by the UE, where the indication information is used to indicate that the quality of the signal radiated by the small base station received by the UE is greater than or equal to a preset signal quality threshold, where the signal quality of the small base station is controlled by the UE.
  • the first measurement gap pattern is measured, and the quality of the signal refers to the power of the signal or the signal to interference and noise ratio; -
  • the configuration unit 601 is further configured to: after the receiving unit 603 receives the indication information sent by the UE, configure a second measurement gap pattern for the UE, where the measurement gap period in the second measurement gap pattern is smaller than the measurement in the first measurement gap pattern Gap period.
  • the configuration unit configures the first measurement gap pattern for the UE, so that the UE follows the first measurement gap.
  • the pattern identifies and measures small cells of small base stations and small base stations that may exist to save power.
  • the transmitting unit sends the frequency point information of the small base station, the receiving time window information of the small base station radiated signal, and the physical layer cell identifier list to the UE.
  • the UE When the measurement result of the UE meets the condition of reporting the macro base station, that is, the UE measures that the quality of the received small base station radiation signal is greater than or equal to the preset signal quality threshold, the UE sends the indication information to the macro base station, and the receiving unit receives the information sent by the UE. Instructions.
  • the configuration unit configures the second measurement gap pattern for the UE.
  • the measurement gap period in the second measurement gap pattern is smaller than the measurement gap period in the first measurement gap pattern, that is, the configuration unit configures the measurement gap pattern with a higher measurement frequency for the UE, so that the UE can quickly identify the small gap. Small cell of the base station and measured.
  • the UE embodiment in the embodiment of the present invention includes:
  • the receiving unit 701 is configured to receive, according to the first measurement gap pattern configured by the macro base station, a signal radiated by the small base station;
  • the processing unit 702 is configured to measure a quality of the signal received by the receiving unit 701, and identify and measure a small cell of the small base station based on the signal received by the receiving unit 701;
  • the sending unit 703 is configured to: when the processing unit 702 determines that the quality of the received signal is greater than or equal to a preset signal quality threshold, send the indication information to the macro base station to request the macro base station to configure the second measurement gap pattern for the UE, and second The measurement gap period in the measurement gap pattern is smaller than the measurement gap period in the first measurement gap pattern;
  • the receiving unit 701 is further configured to receive a second measurement gap pattern configured by the macro base station, and receive a signal radiated by the small base station according to the second measurement gap pattern;
  • the processing unit 702 is further configured to identify and measure the small cell of the small base station based on the signal received by the receiving unit 701 according to the second measurement gap pattern.
  • the receiving unit configures according to the macro base station.
  • the first measurement gap pattern receives the signal radiated by the small base station
  • the processing unit measures the quality of the received signal, and identifies and measures the possible presence of the small base station based on the signal received by the receiving unit.
  • the sending unit sends the indication information to the macro base station, where the indication information is used to request the macro base station to configure the second measurement gap pattern for the UE, and the second measurement gap, when the processing unit determines that the quality of the received signal is greater than or equal to the preset signal quality threshold.
  • the measurement gap period in the pattern is smaller than the measurement gap period in the first measurement gap pattern.
  • the sending unit sending indication information may be implemented by a Protocol Data Unit (PDU) of a Media Access Control (MAC) layer, or by RRC signaling. It is better to use the PDU of the MAC layer to send the indication information, because the manner of reporting the indication information is faster than the RRC signaling.
  • PDU Protocol Data Unit
  • MAC Media Access Control
  • RRC Radio Resource Control
  • FIG. 8 another embodiment of the UE in the embodiment of the present invention includes:
  • the receiving unit 801 is configured to receive frequency point information of a small base station sent by the macro base station, receive time window information of the small base station radiation signal, a physical layer cell identifier list, and a signal radiated by the small base station;
  • a switching unit 802 configured to switch from a signal discontinuous reception mode to a signal continuous reception mode
  • a link activation unit 803 configured to activate an idle radio frequency link, for identifying and measuring a small cell existing in the small base station
  • the receiving unit 801 is further configured to receive, according to the first measurement gap pattern configured by the macro base station, a signal radiated by the small base station;
  • the processing unit 804 is configured to measure the quality of the signal received by the receiving unit 801, and identify and measure the small cell of the small base station based on the signal received by the receiving unit 801;
  • the sending unit 805 is configured to: when the processing unit 804 determines that the quality of the received signal is greater than or equal to the preset signal quality threshold, send the indication information to the macro base station to request the macro base station to configure the second measurement gap pattern for the UE, where the second measurement is performed.
  • the measurement gap period in the gap pattern is smaller than the measurement gap period in the first measurement gap pattern;
  • the receiving unit 801 is further configured to receive the second measurement gap pattern configured by the macro base station, and receive the signal radiated by the small base station according to the second measurement gap pattern.
  • the processing unit 804 is further configured to receive, according to the second measurement gap pattern, the receiving unit 801. Signals identify small cells of small base stations and - - Measurement.
  • the macro base station When the UE enters the area covered by the macro base station and is served by the macro base station, in order to enable the UE to accurately identify and measure the small cell of the small base station, the macro base station sends the frequency point information of the small base station to the UE, and the small base station radiates The receiving time window information of the signal, the physical layer cell identifier list, and the like, the receiving unit 801 receives the information transmitted by the macro base station.
  • the frequency information of the small base station is used to inform the UE which frequency points have small base stations, and the frequency of the small base station is higher than the frequency of the macro base station;
  • the receiving time window information of the small base station radiation signal includes receiving The size of the time window, the bit start, etc., are used to inform the UE of the time period for receiving the small base station radiation signal;
  • the physical layer cell identification list is used to inform the UE of the identity of the small cell of the small base station that needs to be identified.
  • the UE does not need to constantly monitor the downlink data and perform related processing. Therefore, the UE is in the Discontinuous Reception (DRX) mode.
  • DRX Discontinuous Reception
  • the receiving unit 801 receives the frequency information of the small base station transmitted by the macro base station, the receiving time window of the small base station radiation signal, and the physical layer cell identifier list, the information is switched.
  • Unit 802 can immediately switch to the incoming signal continuous receive mode to accelerate subsequent identification and measurement of small cells of the small base station.
  • the link activation unit 803 can activate the idle radio frequency link after the handover unit 802 switches to the signal continuous reception mode, and is used for identifying the small cell existing in the small base station. measuring. At this time, the macro base station does not interrupt the service of the current cell.
  • the macro base station may interrupt the service of the current cell, and the receiving unit 801 receives the signal radiated by the small base station according to the first measurement gap pattern configured by the macro base station.
  • Processing unit 804 measures the quality of the signals received by receiving unit 801.
  • the receiving unit 801 tunes to the specified frequency point (the frequency point where the small base station is located) according to the received frequency point information sent by the macro base station, and then specifies the starting point of the specified frequency point according to the receiving time window information sent by the macro base station.
  • the location receives a signal radiated by the small base station for a specified length of time, and the processing unit 804 measures the quality of the signal received by the receiving unit 801, and identifies and measures the small cell of the small base station based on the received signal.
  • the signal radiated by the small base station can be: primary synchronization signal PSS, auxiliary - - Synchronization signal sss or other pilot signals.
  • the processing unit 804 determines that the quality of the signal received by the receiving unit 801 is greater than or equal to the preset signal quality threshold, it indicates that the UE is now close to the small base station as the UE moves itself. At this time, the processing unit 804 needs to quickly recognize the signal. Small base station.
  • the sending unit 805 sends the indication information to the macro base station, where the indication information is used to request the macro base station to configure the second measurement gap pattern for the UE, and the measurement gap period in the second measurement gap pattern is smaller than the measurement gap period in the first measurement gap pattern.
  • the signal quality here can refer to the power of the received signal, and can also refer to the signal to interference and noise ratio.
  • the signal quality threshold herein may be preset by the macro base station according to actual conditions, then broadcasted to the processing unit 804 through the network, or notified to the processing unit 804 by an RRC dedicated message.
  • the signal power threshold herein may also be preset by the processing unit 804 itself.
  • the indication information sent by the sending unit 805 to the macro base station may be a simple command for requesting the macro base station to configure the second measurement gap pattern for the UE; or the indication information sent by the UE to the macro base station may include the measurement result, when the macro base station Upon receiving the indication information, the macro base station configures a second measurement gap pattern for the UE.
  • the sending unit 805 sends the indication information to the macro base station by using a Protocol Data Unit (PDU) of the Media Access Control (MAC) layer, or may be implemented by using RRC signaling. Sending instructions using the PDU at the MAC layer is faster.
  • PDU Protocol Data Unit
  • MAC Media Access Control
  • the receiving unit 801 receives the second measurement gap pattern configured by the macro base station, receives the signal radiated by the small base station according to the second measurement gap pattern, and the processing unit 804 is small based on the signal radiated by the small base station received by the receiving unit 801 according to the second measurement gap pattern.
  • the small cell of the base station performs identification and measurement.
  • the processing unit 804 identifies and measures the small cell of the small base station based on the received signal transmitted by the small base station.
  • the processing unit 804 obtains the physical layer cell identifier (Identity, ID) by parsing the received PSS signal, and then analyzes
  • the PCI of the cell is the same as the PCI in the PCI list sent by the macro base station, and the current cell is the small cell that the UE needs to identify.
  • the length of time that processing unit 804 identifies the small cell depends on the measurement gap period in the measurement gap pattern.
  • the processing unit 804 After identifying the small cell, the processing unit 804 measures the reference signal reception of the identified small cell. - Reference Signal Receiving Power (RSRP), when the RSRP of the identified small cell reaches a certain threshold, the sending unit 805 reports the identified small cell to the macro base station, and then the macro base station determines whether to switch the UE to The cell.
  • RSRP Reference Signal Receiving Power
  • the length of time that a small cell is measured depends on the number of network systems currently covered, N Freq .
  • the receiving unit receives the related information of the small base station sent by the macro base station, and the switching unit switches to the signal continuous receiving mode, and the link activation unit activates the idle radio frequency link, which is used exclusively for the UE.
  • the receiving unit receives the signal radiated by the small base station according to the first measurement gap pattern configured by the macro base station, and the processing unit measures the quality of the received signal, when determining that the quality of the received signal is greater than or equal to
  • the sending unit sends the indication information to the macro base station, where the indication information is used to request the macro base station to configure the second measurement gap pattern with a small measurement gap period for the UE, and then the processing unit follows the measurement gap period.
  • the second measurement gap pattern identifies and measures the small cell of the small base station, so that the identification and measurement of the small cell can be accelerated, thereby realizing the purpose of using the small cell to share the load in time for the macro base station.
  • FIG. 9 another embodiment of the macro base station in the embodiment of the present invention includes:
  • the first processor 901 is configured to configure a first measurement gap pattern for the user equipment UE, where the first measurement gap pattern refers to that when the UE identifies and measures the small base station, the macro base station pauses data transmission with the UE.
  • the first measurement gap pattern refers to that when the UE identifies and measures the small base station, the macro base station pauses data transmission with the UE.
  • the first transmitter 902 is configured to send to the UE, the frequency point information of the small base station, the receiving time window information of the small base station radiation signal, and the physical layer cell identifier list;
  • the first receiver 903 is configured to receive the indication information sent by the UE, where the indication information is used to indicate that the quality of the signal radiated by the small base station received by the UE is greater than or equal to a preset signal quality threshold, and the signal quality of the small base station is controlled by the UE.
  • the first measurement gap pattern is measured;
  • the first processor 901 is further configured to: after the first receiver 903 receives the indication information sent by the UE, configure a second measurement gap pattern for the UE, where a measurement gap period in the second measurement gap pattern is smaller than the first measurement gap. The 'J amount gap period in the pattern.
  • the above signal refers to a PSS signal, an SSS signal or other pilot signals, and the quality of the signal refers to the power of the received signal or the signal to interference and noise ratio.
  • another embodiment of the UE in the embodiment of the present invention includes: a second receiver 1001, configured to receive a signal radiated by the small base station according to the first measurement gap pattern configured by the macro base station;
  • the second processor 1002 is configured to measure a quality of a signal received by the second receiver 1001, and identify and measure a small cell of the small base station based on the signal received by the second receiver 1001;
  • the second transmitter 1003 is configured to: when the second processor 1002 determines that the quality of the received signal is greater than or equal to a preset signal quality threshold, send the indication information to the macro base station, where the indication information is used to request the macro base station to be the UE. Configuring a second measurement gap pattern, where a measurement gap period in the second measurement gap pattern is smaller than a measurement gap period in the first measurement gap pattern;
  • the second receiver 1001 is further configured to receive a second measurement gap pattern configured by the macro base station, and receive a signal radiated by the d-type base station according to the second measurement gap pattern;
  • the second processor 1002 is further configured to identify and measure a small cell of the small base station based on the signal received by the second receiver 1001 according to the second measurement gap pattern.
  • the second receiver 1001 in this embodiment is further configured to: before receiving the signal radiated by the small base station according to the first measurement gap pattern configured by the macro base station, receive the frequency point information of the small base station sent by the macro base station, the small base station Receive time window information of the radiated signal and a list of physical layer cell identifiers.
  • the second processor 1002 is further configured to switch to a signal continuous receiving mode and activate an idle radio frequency link before the second receiver 1001 receives the signal radiated by the small base station according to the first measurement gap pattern configured by the macro base station, The small cell of the small base station performs identification and measurement.
  • the signal radiated by the received small base station in this embodiment is a primary synchronization signal PSS or a secondary synchronization signal SSS or other pilot signals; the quality of the signal refers to the power of the signal or the signal to interference and noise ratio; the signal quality threshold may be determined by the macro base station.
  • the setting is notified to the UE by broadcasting or by using a radio resource to control the RRC dedicated message, or is set by the UE itself.
  • the disclosed system, apparatus, and method may be implemented in other manners.
  • the device embodiments described above are merely illustrative.
  • the division of the unit is only a logical function division.
  • there may be another division manner for example, multiple units or components may be combined or Can be integrated into another system, or some features can be ignored, or not executed.
  • the coupling or communication connection may be an indirect coupling or communication connection through some interface, device or unit, and may be in electrical, mechanical or other form.
  • the units described as separate components may or may not be physically separate, and the components displayed as the units may or may not be physical units, that is, may be located in one place, or may be distributed to multiple network units. Some or all of the units may be selected according to actual needs to achieve the objectives of the solution of the embodiment.
  • each functional unit in each embodiment of the present invention may be integrated into one processing unit, or each unit may exist physically separately, or two or more units may be integrated into one unit.
  • the above integrated unit can be implemented in the form of hardware or in the form of a software functional unit.
  • the integrated unit if implemented in the form of a software functional unit and sold or used as a standalone product, may be stored in a computer readable storage medium.
  • the technical solution of the present invention may contribute to the prior art or all or part of the technical solution may be embodied in the form of a software product stored in a storage medium.
  • a number of instructions are included to cause a computer device (which may be a personal computer, server, or network device, etc.) to perform all or part of the steps of the methods described in various embodiments of the present invention.
  • the foregoing storage medium includes: a U disk, a removable hard disk, a read-only memory (ROM), a random access memory (RAM), a magnetic disk or an optical disk, and the like, which can store program codes. .

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Abstract

本发明实施例公开了一种测量配置方法、识别和测量方法、宏基站及UE。本发明实施例所提供的测量配置方法包括：宏基站为UE配置第一测量间隙图样；宏基站接收UE发送的指示信息，指示信息用于表示UE接收到的小型基站辐射的信号的质量大于或等于预设的信号质量阈值；宏基站为UE配置第二测量间隙图样，第二测量间隙图样中的测量间隙周期小于第一测量间隙图样中的测量间隙周期。本发明实施例方法能够为UE减少不必要的电量消耗，且能够达到利用小型小区及时为宏基站分担负载的目的。

Description

一 一 一种测量配置方法、 识别和测量方法、 宏基站及 UE 技术领域
本发明实施例涉及通信技术领域， 尤其涉及一种测量配置方法、识别和测 量方法、 宏基站及 UE。
背景技术
在小型基站与宏基站同时部署的应用场景中，为了发挥小型基站协助宏基 站分担负载的功能， 需要当用户设备（User Equipment, UE )靠近小型基站时， UE 能够及时地识别出小型基站， 并对该小型基站进行无线资源管理（Radio Resource Management, RRM )的测量， 然后将测量结果上 给宏基站。 最后， 由宏基站综合 UE的测量结果及其他的输入条件， 例如网络负载， 用户业务优 先级等， 最终确定是否将 UE切换到小型基站的小型小区， 由小型基站的小型 小区继续为用户提供服务。 这些都需要研究 UE对于异频小区的识别和测量。
现有技术中， 对于异频小区的识别和测量， 一般是通过为 UE配置测量间 隙来实现的。 测量间隙就是服务小区按照一定的周期， 暂停其对某个或某些 UE的数据收发， 在此暂停时间内， 这些 UE可以将它的频点调谐到其他的频 点， 尝试对其他频点上的小区进行识别， 并对识别出的小区进行测量。
假定 F1为宏基站， F2为小型基站， 二者具有不同的频点。 典型地， 小型 基站一般部署在高频段， 例如 3.5GHz, 而宏基站一般部署在较低频段， 例如 2GHz等。 假定 UE当前由宏基站 F1的小区提供服务， 则需要 F1暂停服务， UE调谐到 F2的频点上， 对 F2上可能存在的小区进行识别、 测量， 然后在测 量结果满足预置条件的情况下将测量结果上报给服务基站 Fl。
现有技术中， 宏基站为 UE配置的测量间隙图样一般都是固定不变的， 例 ^口表 1所示。
表 1
测量间隙图 测量间隙长度 测量间隙周期 480毫秒内用于异频小区测量 样标识 (毫秒） (毫秒） 的最小可用时间 （毫秒） - - 当宏基站为 UE配置测量间隙图样标识为 1的测量间隙图样时， 即配置的 测量间隙周期为 80毫秒， 测量间隙长度为 6ms, 而 6ms内可用于测量的时间 为 5ms, 则 480ms 内用于异频小区测量的最小可用时间 T Inter = ( 480/80 ) *5ms=30ms。
当 UE处于连续接收模式时， UE对小型小区的识别时间与测量间隙图样 中的测量间隙周期相关， 具体的识别时间可利用如下公式计算：
τ ( A Q( /
L Identify-Inter一一 T 1 Basic-Identify-Inter ^ ^ ^O\J/ τ丄 inter ' * N 1ΛT| Freq
其中， T Basic-Identify-Inter 为固定值， 等于 480毫秒， T Inter为 480毫秒内用于 异频小区测量的最小可用时间， T Inter的大小取决于配置的测量间隙周期， N Freq 为当前覆盖的异频载波和异构系统网络的载波总数。
当 UE处于非连续接收模式时， UE对小型小区的识别时间与 UE当前的 非连续接收（Discontinuous Reception, DRX )周期相关， 因此， 此处只考虑 UE处于信号连续接收模式下的情况。
具体地， UE处于信号连续接收模式下识别小型小区的时间计算示例如下： 假设当前覆盖下的网络有 3个， 例如全球移动通信系统（ global system for mobile communications, GSM )、 LTE及通用移动通信系统 ( Universal Mobile Telecommunications System, UMTS ) 重叠覆盖, N Freq等于 3。
UE采用测量间隙图样 1识别小型基站的小型小区， 需要的时间为：
L Identify-Inter - T Basic-Identify-Inter* ( 480/ T Inter ) * N Freq =480* ( 480/30 ) *3
=23040毫秒 =23.04秒
当 UE距离小型基站比较远时， UE切换到小型基站并由小型基站提供服 务的几率很小。但是， UE需要按照预先配置的测量间隙图样进行识别和测量， 例如按照测量间隙图样 1进行测量， 相对来说， 测量频率偏高， 代价是影响当 前宏基站吞吐量， 同时， UE高频率地对于小型小区的识别和测量， 也将导致 UE耗电量的无谓浪费。
当 UE距离小型小区比较近时， UE切换到小型基站并由小型基站提供服 务的几率很大。 同样， UE还要使用预设的测量间隙图样进行测量， 也就是还 要按照测量间隙图样 1进行测量， 可能导致小区搜索时间过长， 结果是 UE无 法及时地识别出小型基站的小型小区。 这样一来， UE也就无法及时地接入到 小型基站的小型小区， 从而也就无法及时实现利用小型小区分担负载的目的。 - - 发明内容 本发明实施例提供了一种测量配置方法、识别和测量方法、宏基站及 UE, 能够为 UE减少不必要的电量消耗，且能够达到利用小型小区及时分担负载的 目的。
本发明实施例第一方面提供的测量配置方法， 包括： 宏基站为用户设备
UE配置第一测量间隙图样， 其中， 所述第一测量间隙图样指的是在所述 UE 识别和测量小型基站时所述宏基站为暂停与所述 UE之间的数据传输而设置的 数据格式；
所述宏基站接收所述 UE发送的指示信息， 所述指示信息用于表示所述 UE接收到的所述小型基站辐射的信号的质量大于或等于预设的信号质量阈 值，所述小型基站辐射的信号质量由所述 UE按照所述第一测量间隙图样测得； 所述宏基站为所述 UE配置第二测量间隙图样， 所述第二测量间隙图样中 的 'J量间隙周期小于所述第一测量间隙图样中的 'J量间隙周期。
结合本发明实施例的第一方面，在本发明实施例第一方面的第一种实施方 式中， 所述宏基站接收所述 UE发送的指示信息之前， 还包括： 所述宏基站 向所述 UE发送所述小型基站存在的频点信息，所述小型基站辐射信号的接收 时间窗信息以及物理层小区标识列表。
结合本发明实施例的第一方面， 或第一方面的第一种实施方式， 在本发明 实施例第一方面的第二种实施方式中，所述信号的质量指的是接收到的信号的 功率或者信干噪比。
本发明实施例的第二方面提供了一种识别和测量方法， 所述方法包括： 用 户设备 UE按照宏基站配置的第一测量间隙图样接收小型基站辐射的信号并测 量所述信号的质量，以及基于所述信号对所述小型基站的小型小区进行识别和 测量；
当所述 UE确定所述信号的质量大于或等于预设的信号质量阈值时， 所述
UE向所述宏基站发送指示信息， 其中， 所述指示信息用于请求所述宏基站为 所述 UE配置第二测量间隙图样，所述第二测量间隙图样中的测量间隙周期小 于所述第一测量间隙图样中的测量间隙周期；
所述 UE接收所述宏基站配置的第二测量间隙图样，按照所述第二测量间 隙图样接收所述小型基站辐射的信号，以及基于接收到的所述小型基站辐射的 - - 信号对所述小型基站的小型小区进行识别和测量。
结合本发明实施例的第二方面，在本发明实施例第二方面的第一种实施方 式中，所述 UE按照宏基站配置的第一测量间隙图样接收小型基站辐射的信号 之前， 所述方法还包括： 所述 UE接收所述宏基站发送的所述小型基站存在的 频点信息， 所述小型基站辐射信号的接收时间窗信息以及物理层小区标识列 表。
结合本发明实施例的第二方面， 或第二方面的第一种实施方式， 在本发明 实施例第二方面的第二种实施方式中，所述 UE按照宏基站配置的第一测量间 隙图样接收小型基站辐射的信号之前， 所述方法还包括： 所述 UE切换到信号 连续接收模式。
结合本发明实施例的第二方面， 或第二方面的第一种实施方式， 或第二方 面的第二种实施方式，在本发明实施例第二方面的第三种实施方式中，在所述
UE按照宏基站配置的第一测量间隙图样接收小型基站辐射的信号之前， 所述 方法还包括： 所述 UE激活空闲的射频链路， 用于对所述小型基站的小型小区 进行识别和测量。
结合本发明实施例的第二方面， 或第二方面的第一种实施方式， 或第二方 面的第二种实施方式， 或第二方面的第三种实施方式，在本发明实施例第二方 面的第四种实施方式中， 所述信号为主同步信号 PSS或辅同步信号 SSS或其 他导频信号。
结合本发明实施例的第二方面， 或第二方面的第一种实施方式， 或第二方 面的第二种实施方式， 或第二方面的第三种实施方式， 或第二方面的第四种实 施方式，在本发明实施例第二方面的第五种实施方式中， 所述信号的质量指的 是信号的功率或者信干噪比。
结合本发明实施例的第二方面， 或第二方面的第一种实施方式， 或第二方 面的第二种实施方式， 或第二方面的第三种实施方式， 或第二方面的第四种实 施方式， 或第二方面的第五种实施方式，在本发明实施例第二方面的第六种实 施方式中， 所述信号质量阈值由所述宏基站设置，通过广播或者通过无线资源 控制 RRC专用消息通知给所述 UE, 或者由所述 UE自行设置。
本发明实施例的第三方面提供了一种宏基站，所述宏基站包括：配置单元， 用于为用户设备 UE配置第一测量间隙图样， 其中， 所述第一测量间隙图样指 - - 的是在所述 UE识别和测量小型基站时所述宏基站为暂停与所述 UE之间的数 据传输而设置的数据格式；
接收单元， 用于接收所述 UE发送的指示信息， 所述指示信息用于表示所 述 UE接收到的所述小型基站辐射的信号的质量大于或等于预设的信号质量阈 值，所述小型基站辐射的信号质量由所述 UE按照所述第一测量间隙图样测得； 所述配置单元还用于，在所述接收单元接收到所述 UE发送的所述指示信 息之后， 为所述 UE配置第二测量间隙图样， 所述第二测量间隙图样中的测量 间隙周期小于所述第一测量间隙图样中的 'J量间隙周期。
结合本发明实施例的第三方面，在本发明实施例第三面的第一种实施方式 中， 所述宏基站还包括： 发送单元， 用于向所述 UE发送所述小型基站存在的 频点信息， 所述小型基站辐射信号的接收时间窗信息以及物理层小区标识列 表。
结合本发明实施例的第三方面， 或第三方面的第一种实施方式， 在本发明 实施例第三面的第二种实施方式中，所述信号的质量指的是接收到的信号的功 率或者信干噪比。
本发明实施例的第四方面提供了一种用户设备 UE, 所述 UE包括： 接收 单元， 用于按照宏基站配置的第一测量间隙图样接收小型基站辐射的信号； 处理单元， 用于测量所述接收单元接收的所述信号的质量， 以及基于所述 接收单元接收的所述信号对所述小型基站的小型小区进行识别和测量；
发送单元，用于当所述处理单元确定所述信号的质量大于或等于预设的信 号质量阈值时， 向所述宏基站发送指示信息， 其中， 所述指示信息用于请求所 述宏基站为所述 UE配置第二测量间隙图样，所述第二测量间隙图样中的测量 间隙周期小于所述第一测量间隙图样中的 'J量间隙周期；
所述接收单元还用于，接收所述宏基站配置的第二测量间隙图样，按照所 述第二测量间隙图样接收所述小型基站辐射的信号；
所述处理单元还用于，基于所述接收单元按照所述第二测量间隙图样接收 到的信号对所述小型基站的小型小区进行识别和测量。
结合本发明实施例的第四方面，在本发明实施例第四方面的第一种实施方 式中，所述接收单元在按照宏基站配置的第一测量间隙图样接收小型基站辐射 的信号之前， 还用于： 接收所述宏基站发送的所述小型基站存在的频点信息， - - 所述小型基站辐射信号的接收时间窗信息以及物理层小区标识列表。
结合本发明实施例的第四方面， 或第四方面的第一种实施方式， 在本发明 实施例第四方面的第二种实施方式中， 所述 UE还包括： 切换单元， 用于在所 述接收单元按照宏基站配置的第一测量间隙图样接收小型基站辐射的信号之 前， 从信号非连续接收模式切换到信号连续接收模式。
结合本发明实施例的第四方面， 或第四方面的第一种实施方式， 或第四方 面的第二种实施方式， 在本发明实施例第四方面的第三种实施方式中， 所述
UE还包括： 链路激活单元， 用于在所述接收单元按照宏基站配置的第一测量 间隙图样接收小型基站辐射的信号之前， 激活空闲的射频链路， 用于对所述小 型基站的小型小区进行识别和测量。
结合本发明实施例的第四方面， 或第四方面的第一种实施方式， 或第四方 面的第二种实施方式， 或第四方面的第三种实施方式，在本发明实施例第四方 面的第四种实施方式中， 所述信号为主同步信号 PSS或辅同步信号 SSS或其 他导频信号。
结合本发明实施例的第四方面， 或第四方面的第一种实施方式， 或第四方 面的第二种实施方式， 或第四方面的第三种实施方式， 或第四方面的第四种实 施方式，在本发明实施例第四方面的第五种实施方式中， 所述信号的质量指的 是信号的功率或者信干噪比。
结合本发明实施例的第四方面， 或第四方面的第一种实施方式， 或第四方 面的第二种实施方式， 或第四方面的第三种实施方式， 或第四方面的第四种实 施方式， 或第四方面的第五种实施方式，在本发明实施例第四方面的第六种实 施方式中， 所述信号质量阈值由所述宏基站设置，通过广播或者通过无线资源 控制 RRC专用消息通知所述 UE, 或者由所述 UE自行设置。
本发明实施例的第五方面提供了另一种宏基站， 所述宏基站包括： 第一处 理器， 用于为用户设备 UE配置第一测量间隙图样， 其中， 所述第一测量间隙 图样指的是在所述 UE识别和测量小型基站时所述宏基站为暂停与所述 UE之 间的数据传输而设置的数据格式；
第一接收器， 用于接收所述 UE发送的指示信息， 所述指示信息用于表示 所述 UE接收到的所述小型基站辐射的信号的质量大于或等于预设的信号质量 阈值，所述小型基站辐射的信号质量由所述 UE按照所述第一测量间隙图样测 付；
所述第一处理器还用于，在所述第一接收器接收到所述 UE发送的所述指 示信息后， 为所述 UE配置第二测量间隙图样， 所述第二测量间隙图样中的测 量间隙周期小于所述第一测量间隙图样中的测量间隙周期。
结合本发明实施例的第五方面，在本发明实施例第五方面的第一种实施方 式中， 所述宏基站还包括： 第一发送器， 用于向所述 UE发送所述小型基站存 在的频点信息，所述小型基站辐射信号的接收时间窗信息以及物理层小区标识 列表。
本发明实施例的第六方面提供了另一种 UE, 所述 UE包括： 第二接收器， 用于按照宏基站配置的第一测量间隙图样接收小型基站辐射的信号；
第二处理器， 用于测量所述第二接收器接收的所述信号的质量， 以及基于 所述第二接收器接收的所述信号对所述小型基站的小型小区进行识别和测量； 第二发送器，用于当所述第二处理器确定所述信号的质量大于或等于预设 的信号质量阈值时， 向所述宏基站发送指示信息， 其中， 所述指示信息用于请 求所述宏基站为所述 UE配置第二测量间隙图样，所述第二测量间隙图样中的 测量间隙周期小于所述第一测量间隙图样中的测量间隙周期；
所述第二接收器还用于，接收所述宏基站配置的第二测量间隙图样，按照 所述第二测量间隙图样接收所述小型基站辐射的信号；
所述第二处理器还用于，基于所述第二接收器按照所述第二测量间隙图样 接收到的信号对所述小型基站的小型小区进行识别和测量。
结合本发明实施例的第六方面，在本发明实施例第六方面的第一种实施方 式中， 所述第二接收器还用于： 在按照宏基站配置的第一测量间隙图样接收小 型基站辐射的信号之前， 接收所述宏基站发送的所述小型基站存在的频点信 息， 所述小型基站辐射信号的接收时间窗信息以及物理层小区标识列表。
结合本发明实施例的第六方面， 或第六方面的第一种实施方式，在本发明 实施例第六方面的第二种实施方式中， 所述第二处理器还用于： 在所述第二接 收器按照宏基站配置的第一测量间隙图样接收小型基站辐射的信号之前，切换 到信号连续接收模式。
结合本发明实施例的第六方面， 或第六方面的第一种实施方式， 或第六方 面的第二种实施方式，在本发明实施例第六方面的第三种实施方式中， 所述第 - - 二处理器还用于：在所述第二接收器按照宏基站配置的第一测量间隙图样接收 小型基站辐射的信号之前， 激活空闲的射频链路， 用于对所述小型基站的小型 小区进行识别和测量。
从以上技术方案可以看出， 本发明实施例具有以下优点：
本发明实施例中， 初始时， 宏基站为 UE配置第一测量间隙图样， 当宏基 站接收到 UE发送的用于表示 UE接收到的小型基站辐射的信号的质量大于或 等于预设的信号质量阈值的指示信息时，宏基站为 UE配置第二测量间隙图样， 第二测量间隙图样中的测量间隙周期小于第一测量间隙图样中的测量间隙周 期。 也就是说， 宏基站会根据 UE接收到的辐射信号的质量改变配置的测量间 隙图样； 当 UE接收的辐射信号的质量小于预设的信号质量阈值， 此时 UE可 能距离小型基站比较远，宏基站为 UE配置测量间隙周期较大（测量频率较低 ) 的测量间隙图样， 这样能够降低对宏基站的吞吐量的影响， 同时能够为 UE降 低用于异频小区的识别和测量的功耗； 当 UE接收到的辐射信号的质量大于或 等于预设的信号质量阈值时， UE可能已经靠近小型小区， 则宏基站为 UE配 置测量间隙周期较小（测量频率较高）的测量间隙图样， 能够保证让 UE及时 识别并接入到小型基站的小型小区， 实现利用小型小区及时分担负载的目的。 附图说明
图 1为本发明实施例中测量配置方法一个实施例示意图；
图 2为本发明实施例中测量配置方法另一实施例示意图；
图 3为本发明实施例中识别和测量方法一个实施例示意图；
图 4为本发明实施例中识别和测量方法另一实施例示意图；
图 5为本发明实施例中宏基站一个实施例示意图；
图 6为本发明实施例中宏基站另一实施例示意图；
图 7为本发明实施例中 UE—个实施例示意图；
图 8为本发明实施例中 UE另一实施例示意图；
图 9为本发明实施例中宏基站另一实施例示意图；
图 10为本发明实施例中 UE另一实施例示意图。 具体实施方式 - - 本发明实施例提供了一种测量配置方法、识别和测量方法、宏基站及 UE, 能够为 UE减少不必要的电量消耗， 且能够保证让 UE及时地接入到小型基站 的小型小区。
请参阅图 1 , 本发明实施例中测量配置方法一个实施例包括：
101、 宏基站为用户设备 UE配置第一测量间隙图样；
当 UE由宏基站提供服务的时候， 宏基站为 UE配置第一测量间隙图样， 以使 UE按照第一测量间隙图样对可能存在的小型基站及小型基站的小型小区 进行识别和测量。
其中， 第一测量间隙图样指的是在 UE识别和测量小型基站时， 宏基站为 暂停与 UE之间的数据传输而设置的数据格式。
102、 宏基站接收 UE发送的指示信息；
当 UE的测量结果满足上报宏基站的条件， 即 UE测量到接收的小型基站 辐射的信号的质量大于或等于预设的信号质量阈值时， UE向宏基站发送指示 信息， 宏基站接收 UE发送的指示信息。
这个指示信息可以是一个单纯的命令，这个命令用于要求宏基站为 UE配 置第二测量间隙图样； 或者这个指示信息包含测量结果， 当宏基站接收到这个 指示信息时， 宏基站就为 UE配置第二测量间隙图样。
103、 宏基站为 UE配置第二测量间隙图样。
当宏基站接收到 UE发送的指示信息时， 说明可能随着 UE的移动， UE 当前距离小型基站较近， 可以很好地接收小型基站辐射的信号， 因此， 宏基站 为 UE配置第二测量间隙图样。第二测量间隙图样中的测量间隙周期小于第一 测量间隙图样中的测量间隙周期， 也就是说， 宏基站将为 UE配置测量频率较 高的测量间隙图样， 以使得 UE可以快速地识别出小型基站的小型小区并进行 测量。
此处的第二测量间隙图样同样指的是在 UE识别和测量小型基站时，宏基 站为暂停与 UE之间的数据传输而设置的数据格式。
本实施例中，宏基站会根据 UE接收到的小型基站辐射的信号的质量改变 配置的测量间隙图样；当 UE接收的辐射信号的质量小于预设的信号质量阈值， 此时 UE可能距离小型基站比较远， 宏基站为 UE配置测量间隙周期较大（测 量频率较低）的测量间隙图样， 这样能够降低对宏基站的吞吐量的影响， 同时 - - 能够为 UE降低用于异频小区的识别和测量的功耗； 当 UE接收到的辐射信号 的质量大于或等于预设的信号质量阈值时， UE可能已经靠近小型小区， 则宏 基站为 UE配置测量间隙周期较小（测量频率较高）的测量间隙图样， 能够保 证让 UE及时识别并接入到小型基站的小型小区， 实现利用小型小区及时分担 负载的目的。
为了便于理解，下面以一具体实例对本发明实施例中的测量配置方法进行 描述， 请参阅图 2, 本发明实施例中测量配置方法另一实施例包括：
201、 宏基站为用户设备 UE配置第一测量间隙图样；
当 UE由宏基站提供服务的时候， 此时 UE距离宏基站较近， 距离小型基 站较远， 宏基站为 UE配置第一测量间隙图样， 以使 UE按照第一测量间隙图 样对可能存在的小型基站及小型基站的小型小区进行识别和测量。
202、 宏基站向 UE发送小型基站存在的频点信息， 小型基站辐射信号的 接收时间窗信息以及物理层小区标识列表；
为了使 UE能够准确地识别并测量出小型基站的小型小区， 宏基站向 UE 发送小型基站存在的频点信息， 小型基站辐射信号的接收时间窗信息以及 UE 需要识别的物理层小区标识（Physical Cell Identity, PCI ) 列表等信息。
其中， 小型基站存在的频点信息用于告知 UE当前有哪些频点上存在小型 基站； 小型基站辐射信号的接收时间窗信息包括接收时间窗的大小、起始位置 等， 用于告知 UE接收小型基站辐射信号的时间段； 物理层小区标识列表用于 告知 UE需要识别的小型基站的小型小区的标识。
203、 宏基站接收 UE发送的指示信息；
UE根据宏基站发送的频点信息调谐到指定的频点， 根据宏基站发送的接 收时间窗信息在指定的时间段接收小型基站的辐射信号。 UE测量接收到的信 号的质量， 当 UE测量到接收的小型基站的辐射信号的质量大于或等于预设的 信号质量阈值时， UE向宏基站发送指示信息， 宏基站接收 UE发送的指示信 息。
这里小型基站辐射的信号可以为： 主同步信号 （Primary Synchronization Signal, PSS )、 辅同步信号 ( Secondary Synchronization Signal , SSS )或其他 导频信号， 信号的质量指的是信号的功率或者是信干噪比， 即 UE接收到的辐 射信号的功率或者信噪比达到预设的信号质量阈值时， UE向宏基站发送指示 - - 信息。
信号质量阈值可由宏基站预先设定，然后通过广播或者通过无线资源控制
( Radio Resource Control, RRC ) 消息通知给 UE, 当然， 信号质量阈值也可 由 UE预先自行设定。
UE向宏基站发送的指示信息可以是一个单纯的命令， 这个命令用于要求 宏基站为 UE配置第二测量间隙图样； 或者 UE向宏基站发送的指示信息可以 包含测量结果， 当宏基站接收到这个指示信息时， 宏基站就为 UE配置第二测 量间隙图样。
204、 宏基站为 UE配置第二测量间隙图样。
当宏基站接收到 UE发送的指示信息时， 说明可能随着 UE的移动， UE 当前距离小型基站较近， 可以很好地接收小型基站辐射的信号， 因此， 宏基站 为 UE配置第二测量间隙图样。第二测量间隙图样中的测量间隙周期小于第一 测量间隙图样中的测量间隙周期， 也就是说， 宏基站将为 UE配置测量频率较 高的测量间隙图样，以使得 UE可以快速地识别到小型基站的小型小区并测量。
本实施例中的第一测量间隙图样及第二测量间隙图样均指的是在 UE识别 和测量小型基站时， 宏基站为暂停与 UE之间的数据传输而设置的数据格式。
本实施例中， 当 UE由宏基站提供服务时， 宏基站就向 UE发送小型基站 的相关信息， 并且宏基站会根据 UE接收到的小型基站辐射的信号的质量改变 配置的测量间隙图样；当 UE接收的辐射信号的质量小于预设的信号质量阈值， 此时 UE可能距离小型基站比较远， 宏基站为 UE配置测量间隙周期较大（测 量频率较低）的测量间隙图样， 这样能够降低对宏基站的吞吐量的影响， 同时 能够为 UE降低用于异频小区的识别和测量的功耗； 当 UE接收到的辐射信号 的质量大于或等于预设的信号质量阈值时， UE可能已经靠近小型小区， 则宏 基站为 UE配置测量间隙周期较小（测量频率较高）的测量间隙图样， 能够保 证让 UE及时识别并接入到小型基站的小型小区， 实现利用小型小区及时分担 负载的目的。
上面两个实施例描述了宏基站为 UE 进行测量配置的方法， 下面将描述 UE对小型基站的小型小区进行识别和测量的方法。 首先， 请参阅图 3, 本发 明实施例识别和测量的方法一个实施例包括：
301、UE按照宏基站配置的第一测量间隙图样接收小型基站辐射的信号并 - - 测量接收到的信号的质量，以及基于接收到的信号对小型基站的小型小区进行 识别和测量；
当 UE由宏基站提供服务的时候， 宏基站为 UE配置第一测量间隙图样， 第一测量间隙图样指的是在 UE识别和测量小型基站时， 宏基站为暂停与 UE 之间的数据传输而设置的数据格式。
UE按照宏基站配置的第一测量间隙图样接收小型基站辐射的信号， 以及 基于接收到的信号对可能存在小型基站进行识别和测量。这里接收的小型基站 辐射的信号可以是 PSS信号、 SSS信号或者其他导频信号。
302、 当 UE确定接收到的信号的质量大于或等于预设的信号质量阈值时， UE向宏基站发送指示信息；
本实施例中，信号质量阈值可由宏基站预先设定， 然后通过广播或者通过 RRC消息通知给 UE, 或者信号质量阈值由 UE根据实际情况预先自行设定。
UE接收到小型基站辐射的信号后， 判断接收到的信号的质量是否大于或 等于预设的信号质量阈值，若大于或等于，则说明 UE当前距离小型基站较近， 可以很好地接收小型基站辐射的信号， 有望由小型基站提供服务。
UE向宏基站发送指示信息， 其中， 指示信息用于请求宏基站为 UE配置 第二测量间隙图样，指示信息可以是一个单纯的命令， 这个命令用于要求宏基 站为 UE配置第二测量间隙图样； 或者指示信息包含测量结果， 当宏基站接收 到这个指示信息时， 宏基站就为 UE配置第二测量间隙图样。
具体 UE向宏基站发送指示信息的方法可以为：通过媒体访问控制（ Media
Access Control, MAC )层的协议数据单元（ Protocol Data Unit, PDU )来实现， 或者通过 RRC信令来实现。 使用 MAC层的 PDU上报指示信息效果更好， 因 为这种方式上报指示信息的速度比 RRC信令快。
303、 UE接收宏基站配置的第二测量间隙图样，按照第二测量间隙图样接 收小型基站辐射的信号，以及基于接收到的小型基站辐射的信号对小型基站的 小型小区进行识别和测量。
当宏基站接收到 UE发送的指示信息后， 为 UE配置第二测量间隙图样， 第二测量间隙图样中的测量间隙周期小于第一测量间隙图样中的测量间隙周 期。
UE接收宏基站配置的第二测量间隙图样， 按照第二测量间隙图样接收小 - - 型基站辐射的信号，以及基于接收到的信号对小型基站的小型小区进行识别和 测量。 本实施例中， 当 UE由宏基站提供服务时， UE会判断接收到的小型基 站辐射的信号的质量，当确定接收到的信号的质量大于或等于预设的信号质量 阈值时， UE向宏基站发送指示信息， 指示信息用于请求宏基站为 UE配置测 量间隙周期较小的第二测量间隙图样，以加快对小型基站的小型小区的识别和 测量， 从而实现利用小型小区为宏基站及时分担负载的目的。
为了便于理解，下面以一具体实例对本发明实施例中的识别和测量方法进 行描述， 请参阅图 4, 本发明实施例中识别和测量方法另一实施例包括：
401、 UE接收宏基站发送的小型基站存在的频点信息， 小型基站辐射信号 的接收时间窗信息以及物理层小区标识列表；
当 UE进入到宏基站覆盖的区域， 由宏基站提供服务时， 为了使 UE能够准 确地识别和测量出小型基站， 从而实现由小型基站为宏基站分担负载的目的， 宏基站向 UE下发小型基站存在的频点信息， 小型基站辐射信号的接收时间窗 信息， 物理层小区标识 PCI列表等， UE接收宏基站发送的这些信息。
其中， 小型基站存在的频点信息用于告知 UE当前有哪些频点上存在小型 基站，一般小型基站所在的频点高于宏基站所在的频点； 小型基站辐射信号的 接收时间窗信息包括接收时间窗的大小、 位起始置等， 用于告知 UE接收小型 基站辐射信号的时间段； 物理层小区标识列表用于告知 UE需要识别的小型基 站的小型小区的标识。
402、 UE切换到信号连续接收模式；
为了节约功率， 在只有一些非实时应用的情况下， UE—般不需要不停地 监听下行数据及做相关处理， 因此， UE会处于信号非连续接收（Discontinuous Reception, DRX )模式。
如果此时 UE处于信号非连续接收模式， 那么当 UE接收到宏基站发送的小 型基站存在的频点信息，小型基站辐射信号的接收时间窗以及物理层小区标识 列表等这些信息后， UE可以立即切换进入信号连续接收模式， 以加速后续对 小型基站的小型小区的识别和测量。
403、 UE激活空闲的射频链路；
进一步地， 如果此时有空闲的射频链路， 则 UE可以在切换到信号连续接 收模式之后， 激活空闲的射频链路， 专用于对小型基站存在的小型小区进行识 - - 别和测量， 此时不会中断当前小区的服务。
404、 UE按照宏基站配置的第一测量间隙图样接收小型基站辐射的信号并 测量接收到的信号的质量，以及基于接收到的信号对小型基站的小型小区进行 识别和测量；
此时， 宏基站会中断当前小区的服务， UE按照宏基站配置的第一测量间 隙图样接收 d、型基站辐射的信号并测量接收到的信号的质量。
具体地， UE根据接收到的宏基站发送的频点信息调谐到指定的频点 （小 型基站所在的频点；)， 然后根据宏基站发送的接收时间窗信息在指定频点的指 定起始位置接收指定时间长度的小型基站辐射的信号并测量接收到的信号的 质量， 以及基于接收到的信号对小型基站的小型小区进行识别和测量。 小型基 站辐射的信号可以为： 主同步信号 PSS、 辅同步信号 SSS或其他导频信号。
405、 当 UE确定接收到的信号的质量大于预设的信号质量阈值时， UE向 宏基站发送指示信息，指示信息用于请求宏基站为 UE配置第二测量间隙图样； 此处的信号质量阈值可由宏基站根据实际情况预先设定，然后通过网络广 播给 UE, 或者通过 RRC专用消息通知给 UE。 另外， 此处的信号功率阈值也可 由 UE自行预先设定。
当 UE接收到小型基站辐射的 PSS信号或 SSS信号或其他导频后， 判断接收 到的信号的质量是否大于或等于预设的信号质量阈值。此处的信号质量可以指 接收到的信号的功率， 也可以指信干噪比。
当 UE确定接收到的信号的质量大于或等于预设的信号质量阈值时， 说明 随着自身的移动， UE此时已靠近小型基站， 此时， UE需要迅速识别出小型基 站。
UE向宏基站发送指示信息， 指示信息用于请求宏基站为 UE配置第二测量 间隙图样。其中， 第二测量间隙图样中的测量间隙周期小于第一测量间隙图样 中的测量间隙周期， 这样会提高测量的频率。
UE向宏基站发送的指示信息可以是一个单纯的命令， 这个命令用于要求 宏基站为 UE配置第二测量间隙图样； 或者 UE向宏基站发送的指示信息可以包 含测量结果， 当宏基站接收到这个指示信息时， 宏基站就为 UE配置第二测量 间隙图样。
具体 UE向宏基站发送指示信息的方法可以为：通过媒体访问控制（ Media - -
Access Control, MAC )层的协议数据单元（ Protocol Data Unit, PDU )来实现， 或者通过 RRC信令来实现。 使用 MAC层的 PDU上报指示信息效果更好， 因 为这种方式上报指示信息的速度比 RRC信令快。
406、 UE接收宏基站配置的第二测量间隙图样， 按照第二测量间隙图样接 收小型基站辐射的信号，以及基于接收到的小型基站辐射的信号对小型基站的 小型小区进行识别和测量。
UE基于接收到的小型基站辐射的信号对小型基站的小型小区进行识别和 测量的过程具体为： UE通过解析接收的 PSS信号获得物理层小区标识（ Identity, ID ), 再通过解析 SSS信号可以获得小区的组 ID, 将二者组合就可以获得当前 小区的 PCI, 因每个组内有 3个小区 ID, 当前小区的 PCI =组 ID * 3 + 小区 ID, 如果计算出的当前小区的 PCI与宏基站发送的 PCI列表中的 PCI相同， 则当前小 区就为 UE需要识别出的小型小区。 识别出小型小区后， UE测量识别出的小型 小区的参考信号接收功率（ Reference Signal Receiving Power, RSRP ), 当识别 出的小型小区的 RSRP达到一定的阈值时， UE将识别出的小型小区上报给宏基 站， 然后由宏基站确定是否将 UE切换到该小区。
下面举例说明 UE使用不同的测量间隙图样识别和测量小型基站的小型小 区的过程， 如表 2所示， 当 UE确定所接收到的信号的质量大于或等于预设的信 号质量阈值， 即 UE靠近小型基站时， UE可用表 2中的测量间隙周期较小的测 量间隙图样 A或 B, 以加快对小型小区的识别； 当判断结果为所接收到的信号 的质量小于预设的信号质量阈值， 即 UE距离小型基站较远时， UE可用表 2中 的测量间隙周期较大的测量间隙图样 C或 D, 以节省功耗。
Figure imgf000017_0001
由背景技术可知， 当 UE处于信号连续接收状态时， UE识别小型小区的时 - - 间的计算公式如下：
L Identify—Inter - T Basic-Identify-Inter* ( 480/ X Inter ) * N Freq
其中， τ Basic-Identify-Inter 为固定值， 等于 480毫秒， T Inter为 480毫秒内用于 异频小区测量的最小可用时间， N Freq为当前覆盖的网络系统的数量。
假设， 当前覆盖下的网络系统仍为 3个， 即 N Frcq等于 3。
当 UE靠近小型基站时， 如果 UE采用测量间隙图样 A识别小型基站存在 的小型小区， 需要的时间为：
L Identify—Inter = T Basic-Identify-Inter* ( 480/ T Inter ) * N Freq =480* ( 480/240 ) *3
=2880毫秒 =2.88秒
而现有技术中 UE按照固定的测量间隙图样 1识别小型基站存在的小型小 区所需要的时间为 23.04秒， 因此， 当 UE靠近小型基站时， 本实施例的方法 大大减少了识别时间，提高了识别效率。当 UE识别出小型基站的小型小区后， 对小型小区进行测量， 具体的测量时间与当前覆盖的网络系统的数量 N Frcq相 关， 对小型小区的测量主要是测量该小型小区的 RSRP是否满足上报要求， 如 果满足，则 UE将测量结果上报给宏基站， 由宏基站决定是否对 UE进行切换。
另外， 需要说明的是， 本实施例中， 步骤 402及 403为可选步骤， 在实际 应用中， 可以根据 UE的实际情况决定是否需要启用步骤 402及 403, 且在需 要同时启用步骤 402及 403时，步骤 402及 403的先后顺序也并不仅仅限定为 本实施例所提供的顺序。
本实施例中， 当 UE由宏基站提供服务时， UE接收宏基站发送的小型基 站的相关信息，切换到连续接收模式并激活空闲的射频链路， 专用于对小型小 区的识别和测量； UE根据宏基站提供的与小型基站相关的信息按照第一测量 间隙图样接收小型基站辐射的信号并测量接收到的信号的质量，当确定接收到 的信号的质量大于或等于预设的信号质量阈值时，UE向宏基站发送指示信息， 以请求宏基站为 UE配置测量间隙周期较小的第二测量间隙图样， 然后 UE按 照测量间隙周期较小的第二测量间隙图样对小型基站的小型小区的识别和测 量， 这样可以加速对小型小区的识别和测量，从而实现利用小型小区为宏基站 及时分担负载的目的。
下面对用于执行上述测量配置方法的本发明实施例的宏基站进行说明，其 基本逻辑结构参考图 5, 本发明实施例中宏基站一个实施例包括： - - 配置单元 501 , 用于为用户设备 UE配置第一测量间隙图样， 其中， 第一 测量间隙图样指的是在 UE识别和测量小型基站时， 宏基站为暂停与 UE之间 的数据传输而设置的数据格式；
接收单元 502, 用于接收 UE发送的指示信息， 指示信息用于表示 UE接 收到的小型基站辐射的信号的质量大于或等于预设的信号质量阈值， 其中， 小 型基站辐射的信号质量由 UE按照第一测量间隙图样测得；
配置单元 501还用于在接收单元 502接收到 UE发送的指示信息之后， 为 UE配置第二测量间隙图样， 第二测量间隙图样中的测量间隙周期小于第一测 量间隙图样中的测量间隙周期，第二测量间隙图样同样指的是在 UE识别和测 量小型基站时， 宏基站为暂停与 UE之间的数据传输而设置的数据格式。
本实施例中，宏基站会根据 UE接收到的辐射信号的质量改变配置的测量 间隙图样。 当 UE接收的辐射信号的质量小于预设的信号质量阈值， 此时 UE 可能距离小型基站比较远， 配置单元为 UE配置测量间隙周期较大（测量频率 较低）的测量间隙图样， 这样能够降低对宏基站的吞吐量的影响， 同时能够为 UE降低用于异频小区的识别和测量的功耗； 当 UE接收到的辐射信号的质量 大于或等于预设的信号质量阈值时， UE可能已经靠近小型小区， 则配置单元 为 UE配置测量间隙周期较小 （测量频率较高）的测量间隙图样， 能够保证让 UE及时识别并接入到小型基站的小型小区， 实现利用小型小区及时分担负载 的目的。
为便于理解， 下面以一具体实例对本发明实施例中的宏基站进行描述，请 参阅图 6, 本发明实施例中宏基站另一实施例包括：
配置单元 601 , 用于为用户设备 UE配置第一测量间隙图样， 其中， 第一 测量间隙图样指的是在 UE识别和测量小型基站时， 宏基站为暂停与 UE之间 的数据传输而设置的数据格式；
发送单元 602, 用于向 UE发送小型基站存在的频点信息， 小型基站辐射 信号的接收时间窗信息以及物理层小区标识列表；
接收单元 603, 用于接收 UE发送的指示信息， 指示信息用于表示 UE接 收到的小型基站辐射的信号的质量大于或等于预设的信号质量阈值， 其中， 小 型基站辐射的信号质量由 UE按照第一测量间隙图样测得，信号的质量指的是 信号的功率或者是信干噪比； - - 配置单元 601还用于， 在接收单元 603接收到 UE发送的指示信息后， 为 UE配置第二测量间隙图样， 第二测量间隙图样中的测量间隙周期小于第一测 量间隙图样中的测量间隙周期。
本实施例中， 当 UE由宏基站提供服务的时候， 即此时 UE距离宏基站较 近， 距离小型基站较远， 配置单元为 UE配置第一测量间隙图样， 以使 UE按 照第一测量间隙图样对可能存在的小型基站及小型基站的小型小区进行识别 和测量， 以节省功耗。 同时， 为了使 UE能够准确地测量到小型基站的小型小 区， 发送单元向 UE发送小型基站存在的频点信息， 小型基站辐射信号的接收 时间窗信息以及物理层小区标识列表等信息。 当 UE的测量结果满足上报宏基 站的条件， 即 UE测量到接收的小型基站的辐射信号的质量大于或等于预设的 信号质量阈值时， UE向宏基站发送指示信息， 接收单元接收 UE发送的指示 信息。 配置单元为 UE配置第二测量间隙图样。 第二测量间隙图样中的测量间 隙周期小于第一测量间隙图样中的测量间隙周期， 也就是说， 配置单元将为 UE配置测量频率较高的测量间隙图样， 以使得 UE可以快速地识别到小型基 站的小型小区并测量。
下面对用于执行上述识别和测量方法的本发明实施例的用户设备 UE进行 说明， 其基本逻辑结构参考图 7, 本发明实施例中 UE—个实施例包括：
接收单元 701 , 用于按照宏基站配置的第一测量间隙图样接收小型基站辐 射的信号；
处理单元 702, 用于测量接收单元 701接收的信号的质量， 以及基于接收 单元 701接收的信号对小型基站的小型小区进行识别和测量；
发送单元 703, 用于在处理单元 702确定接收到的信号的质量大于或等于 预设的信号质量阈值时， 向宏基站发送指示信息， 以请求宏基站为 UE配置第 二测量间隙图样，第二测量间隙图样中的测量间隙周期小于第一测量间隙图样 中的测量间隙周期；
接收单元 701还用于， 接收宏基站配置的第二测量间隙图样， 按照第二 测量间隙图样接收小型基站辐射的信号；
处理单元 702还用于，基于接收单元 701按照第二测量间隙图样接收到的 信号对小型基站的小型小区进行识别和测量。
本实施例中， 当 UE由宏基站提供服务的时候， 接收单元按照宏基站配置 - - 的第一测量间隙图样接收小型基站辐射的信号，处理单元测量接收到的信号的 质量， 以及基于接收单元接收到的信号对可能存在小型基站进行识别和测量。 发送单元在处理单元确定接收到的信号的质量大于或等于预设的信号质量阈 值时， 向宏基站发送指示信息， 指示信息用于请求宏基站为 UE配置第二测量 间隙图样，第二测量间隙图样中的测量间隙周期小于第一测量间隙图样中的测 量间隙周期。 具体地， 发送单元发送指示信息可以通过媒体访问控制 （Media Access Control, MAC )层的协议数据单元（ Protocol Data Unit, PDU )来实现， 或者通过 RRC信令来实现。 使用 MAC层的 PDU发送指示信息效果更好， 因 为这种方式上报指示信息的速度比 RRC信令快。 当宏基站为 UE配置第二测 量间隙图样之后， 接收单元按照第二测量间隙图样接收小型基站辐射的信号， 处理单元基于接收到的信号对小型基站的小型小区进行识别和测量。
为便于理解， 下面以一具体实例对本发明实施例中的 UE进行描述， 请参 阅图 8, 本发明实施例中 UE另一实施例包括：
接收单元 801 , 用于接收宏基站发送的小型基站存在的频点信息， 小型基 站辐射信号的接收时间窗信息， 物理层小区标识列表以及小型基站辐射的信 号；
切换单元 802, 用于从信号非连续接收模式切换到信号连续接收模式； 链路激活单元 803, 用于激活空闲的射频链路， 用于对小型基站存在的小 型小区进行识别和测量；
接收单元 801还用于，按照宏基站配置的第一测量间隙图样接收小型基站 辐射的信号；
处理单元 804, 用于测量接收单元 801接收的信号的质量， 以及基于接 收单元 801接收的信号对小型基站的小型小区进行识别和测量；
发送单元 805, 用于在处理单元 804确定接收的信号的质量大于或等于预 设的信号质量阈值时， 向宏基站发送指示信息， 以请求宏基站为 UE配置第二 测量间隙图样，第二测量间隙图样中的测量间隙周期小于第一测量间隙图样中 的测量间隙周期；
接收单元 801还用于，接收宏基站配置的第二测量间隙图样，按照第二测 量间隙图样接收小型基站辐射的信号； 处理单元 804还用于， 基于接收单元 801 按照第二测量间隙图样接收到的信号对小型基站的小型小区进行识别和 - - 测量。
为便于理解， 下面以一个实际应用场景对本实施例中 UE的各单元之间的 交互方式进行描述。
当 UE进入到宏基站覆盖的区域， 由宏基站提供服务时， 为了使 UE能够 准确地识别和测量出小型基站的小型小区，宏基站向 UE下发小型基站存在的 频点信息， 小型基站辐射信号的接收时间窗信息， 物理层小区标识列表等， 接 收单元 801接收宏基站发送的这些信息。
其中， 小型基站存在的频点信息用于告知 UE当前有哪些频点上存在小型 基站，一般小型基站所在的频点高于宏基站所在的频点； 小型基站辐射信号的 接收时间窗信息包括接收时间窗的大小、 位起始置等， 用于告知 UE接收小型 基站辐射信号的时间段； 物理层小区标识列表用于告知 UE需要识别出的小型 基站的小型小区的标识。
为了节约功率， 在只有一些非实时应用的情况下， UE—般不需要不停地 监听下行数据及做相关处理， 因此， UE会处于信号非连续接收（Discontinuous Reception, DRX )模式。
如果此时 UE处于信号非连续接收模式，那么当接收单元 801接收到宏基 站发送的小型基站存在的频点信息，小型基站辐射信号的接收时间窗以及物理 层小区标识列表等这些信息后，切换单元 802可以立即切换进入信号连续接收 模式， 以加速后续对小型基站的小型小区的识别和测量。
进一步地，如果此时有空闲的射频链路， 则链路激活单元 803可以切换单 元 802切换到信号连续接收模式之后， 激活空闲的射频链路， 专用于对小型基 站存在的小型小区进行识别和测量。 此时， 宏基站不会中断当前小区的服务。
链路激活单元 803激活空闲的射频链路之后，宏基站可以中断当前小区的 服务，接收单元 801按照宏基站配置的第一测量间隙图样接收小型基站辐射的 信号。 处理单元 804测量接收单元 801接收到的信号的质量。
具体地，接收单元 801根据接收到的宏基站发送的频点信息调谐到指定的 频点 （小型基站所在的频点）， 然后根据宏基站发送的接收时间窗信息在指定 频点的指定起始位置接收指定时间长度的小型基站辐射的信号， 处理单元 804 测量接收单元 801接收到的信号的质量，以及基于接收到的信号对小型基站的 小型小区进行识别和测量。 小型基站辐射的信号可以为： 主同步信号 PSS、 辅 - - 同步信号 sss或其他导频信号。
当处理单元 804确定接收单元 801接收的信号的质量大于或等于预设的信 号质量阈值时， 说明随着 UE 自身的移动， UE此时已靠近小型基站， 此时， 处理单元 804需要迅速识别出小型基站。
发送单元 805向宏基站发送指示信息，指示信息用于请求宏基站为 UE配 置第二测量间隙图样，第二测量间隙图样中的测量间隙周期小于第一测量间隙 图样中的测量间隙周期。
此处的信号质量可以指接收到的信号的功率， 也可以指信干噪比。此处的 信号质量阈值可由宏基站根据实际情况预先设定，然后通过网络广播给处理单 元 804, 或者通过 RRC专用消息通知给处理单元 804。 另外， 此处的信号功率 阈值也可由处理单元 804自行预先设定。
发送单元 805向宏基站发送的指示信息可以是一个单纯的命令， 这个命令 用于要求宏基站为 UE配置第二测量间隙图样； 或者 UE向宏基站发送的指示信 息可以包含测量结果， 当宏基站接收到这个指示信息时， 宏基站就为 UE配置 第二测量间隙图样。
具体地， 发送单元 805 向宏基站发送指示信息可以通过媒体访问控制 ( Media Access Control, MAC )层的十办议数据单元 ( Protocol Data Unit, PDU ) 来实现， 也可以通过 RRC信令来实现。 使用 MAC层的 PDU发送指示信息速 度更快。
接收单元 801接收宏基站配置的第二测量间隙图样，按照第二测量间隙图 样接收小型基站辐射的信号，处理单元 804基于接收单元 801按照第二测量间 隙图样接收到的小型基站辐射的信号对小型基站的小型小区进行识别和测量。
处理单元 804基于接收到的小型基站辐射的信号对小型基站的小型小区进 行识别和测量的过程具体为： 处理单元 804通过解析接收的 PSS信号获得物理 层小区标识（Identity, ID ), 再通过解析 SSS信号可以获得小区的组 ID, 将二 者组合就可以获得当前小区的 PCI, 因每个组内有 3个小区 ID, 当前小区的 PCI =组 ID * 3 + 小区 ID,如果计算出的当前小区的 PCI与宏基站发送的 PCI列表中 的 PCI相同， 则当前小区就为 UE需要识别出的小型小区。 处理单元 804识别小 型小区的时间长短取决于测量间隙图样中的测量间隙周期。
识别出小型小区后， 处理单元 804测量识别出的小型小区的参考信号接收 - - 功率（ Reference Signal Receiving Power, RSRP ), 当识别出的小型小区的 RSRP 达到一定的阈值时， 发送单元 805将识别出的小型小区上报给宏基站， 然后由 宏基站确定是否将 UE切换到该小区。 小型小区的测量的时间长短取决于当前 覆盖的网络系统的数量 N Freq。
本实施例中， 当 UE由宏基站提供服务时， 接收单元接收宏基站发送的小 型基站的相关信息，切换单元切换到信号连续接收模式， 同时链路激活单元激 活空闲的射频链路， 专用于对小型小区的识别和测量； 然后接收单元按照宏基 站配置的第一次测量间隙图样接收小型基站辐射的信号，处理单元测量接收到 的信号的质量， 当确定接收到的信号的质量大于或等于预设的信号质量阈值 时， 发送单元向宏基站发送指示信息， 指示信息用于请求宏基站为 UE配置测 量间隙周期较小的第二测量间隙图样，然后处理单元按照测量间隙周期较小的 第二测量间隙图样对小型基站的小型小区的识别和测量，这样可以加速对小型 小区的识别和测量， 从而实现利用小型小区为宏基站及时分担负载的目的。
下面对本发明实施例中的宏基站进行进一步说明， 请参阅图 9, 本发明实 施例中宏基站另一实施例包括：
第一处理器 901 , 用于为用户设备 UE配置第一测量间隙图样， 其中， 第 一测量间隙图样指的是在 UE识别和测量小型基站时， 宏基站为暂停与 UE之 间的数据传输而设置的数据格式；
第一发送器 902, 用于向 UE发送小型基站存在的频点信息， 小型基站辐 射信号的接收时间窗信息以及物理层小区标识列表；
第一接收器 903, 用于接收 UE发送的指示信息， 指示信息用于表示 UE 接收到的小型基站辐射的信号的质量大于或等于预设的信号质量阈值，小型基 站辐射的信号质量由 UE按照所述第一测量间隙图样测得；
所述第一处理器 901还用于，在第一接收器 903接收到 UE发送的指示信 息后， 为 UE配置第二测量间隙图样， 第二测量间隙图样中的测量间隙周期小 于第一测量间隙图样中的 'J量间隙周期。
上述信号指的是 PSS信号、 SSS信号或者其他导频信号，信号的质量指的 是接收到的信号的功率或者信干噪比。
下面对本发明实施例中的 UE进行进一步说明，请参阅图 10,本发明实施 例中 UE另一实施例包括： - - 第二接收器 1001 , 用于按照宏基站配置的第一测量间隙图样接收小型基 站辐射的信号；
第二处理器 1002, 用于测量第二接收器 1001接收的信号的质量， 以及基 于第二接收器 1001接收的信号对小型基站的小型小区进行识别和测量；
第二发送器 1003 , 用于当第二处理器 1002确定接收到的信号的质量大于 或等于预设的信号质量阈值时， 向宏基站发送指示信息， 其中， 指示信息用于 请求宏基站为 UE配置第二测量间隙图样，第二测量间隙图样中的测量间隙周 期小于第一测量间隙图样中的测量间隙周期；
第二接收器 1001还用于， 接收宏基站配置的第二测量间隙图样， 按照第 二测量间隙图样接收 d、型基站辐射的信号；
所述第二处理器 1002还用于，基于第二接收器 1001按照第二测量间隙图 样接收到的信号对小型基站的小型小区进行识别和测量。
另外， 本实施例中的第二接收器 1001还用于， 在按照宏基站配置的第一 测量间隙图样接收小型基站辐射的信号之前，接收宏基站发送的小型基站存在 的频点信息， 小型基站辐射信号的接收时间窗信息以及物理层小区标识列表。
第二处理器 1002还用于在第二接收器 1001按照宏基站配置的第一测量间 隙图样接收小型基站辐射的信号之前，切换到信号连续接收模式及激活空闲的 射频链路， 用于对所述小型基站的小型小区进行识别和测量。
本实施例中的接收到的小型基站辐射的信号为主同步信号 PSS 或辅同步 信号 SSS 或其他导频信号； 信号的质量指的是信号的功率或者信干噪比； 信 号质量阈值可由宏基站设置， 通过广播或者通过无线资源控制 RRC专用消息 通知给 UE , 或者由 UE自行设置。
所属领域的技术人员可以清楚地了解到， 为描述的方便和筒洁， 上述描述 的系统，装置和单元的具体工作过程，可以参考前述方法实施例中的对应过程， 在此不再赘述。
在本申请所提供的几个实施例中， 应该理解到， 所揭露的系统， 装置和方 法， 可以通过其它的方式实现。 例如， 以上所描述的装置实施例仅仅是示意性 的， 例如， 所述单元的划分， 仅仅为一种逻辑功能划分， 实际实现时可以有另 外的划分方式， 例如多个单元或组件可以结合或者可以集成到另一个系统， 或 一些特征可以忽略， 或不执行。 另一点， 所显示或讨论的相互之间的耦合或直 - - 接耦合或通信连接可以是通过一些接口 , 装置或单元的间接耦合或通信连接， 可以是电性， 机械或其它的形式。
所述作为分离部件说明的单元可以是或者也可以不是物理上分开的，作为 单元显示的部件可以是或者也可以不是物理单元， 即可以位于一个地方， 或者 也可以分布到多个网络单元上。可以根据实际的需要选择其中的部分或者全部 单元来实现本实施例方案的目的。
另外， 在本发明各个实施例中的各功能单元可以集成在一个处理单元中， 也可以是各个单元单独物理存在，也可以两个或两个以上单元集成在一个单元 中。上述集成的单元既可以采用硬件的形式实现，也可以采用软件功能单元的 形式实现。
所述集成的单元如果以软件功能单元的形式实现并作为独立的产品销售 或使用时， 可以存储在一个计算机可读取存储介质中。基于这样的理解， 本发 明的技术方案本质上或者说对现有技术做出贡献的部分或者该技术方案的全 部或部分可以以软件产品的形式体现出来，该计算机软件产品存储在一个存储 介质中， 包括若干指令用以使得一台计算机设备（可以是个人计算机，服务器， 或者网络设备等）执行本发明各个实施例所述方法的全部或部分步骤。 而前述 的存储介质包括： U盘、 移动硬盘、 只读存储器（ROM, Read-Only Memory ), 随机存取存储器（RAM, Random Access Memory ), 磁碟或者光盘等各种可以 存储程序代码的介质。
以上所述， 以上实施例仅用以说明本发明的技术方案， 而非对其限制； 尽 管参照前述实施例对本发明进行了详细的说明，本领域的普通技术人员应当理 解： 其依然可以对前述各实施例所记载的技术方案进行修改， 或者对其中部分 技术特征进行等同替换； 而这些修改或者替换， 并不使相应技术方案的本质脱 离本发明各实施例技术方案的精神和范围。

Claims

权 利 要 求
1、 一种测量配置方法， 其特征在于， 包括：
宏基站为用户设备 UE配置第一测量间隙图样， 其中， 所述第一测量间隙 图样指的是在所述 UE识别和测量小型基站时所述宏基站为暂停与所述 UE之 间的数据传输而设置的数据格式；
所述宏基站接收所述 UE发送的指示信息， 所述指示信息用于表示所述 UE接收到的所述小型基站辐射的信号的质量大于或等于预设的信号质量阈 值，所述小型基站辐射的信号质量由所述 UE按照所述第一测量间隙图样测得； 所述宏基站为所述 UE配置第二测量间隙图样，所述第二测量间隙图样中 的测量间隙周期小于所述第一测量间隙图样中的测量间隙周期。
2、 如权利要求 1所述的方法， 其特征在于， 所述宏基站接收所述 UE发 送的指示信息之前， 还包括：
所述宏基站向所述 UE发送所述小型基站存在的频点信息，所述小型基站 辐射信号的接收时间窗信息以及物理层小区标识列表。
3、 如权利要求 1或 2所述的方法， 其特征在于， 所述信号的质量指的是 接收到的信号的功率或者信干噪比。
4、 一种识别和测量方法， 其特征在于， 包括：
用户设备 UE按照宏基站配置的第一测量间隙图样接收小型基站辐射的信 号并测量所述信号的质量，以及基于所述信号对所述小型基站的小型小区进行 识别和测量；
当所述 UE确定所述信号的质量大于或等于预设的信号质量阈值时，所述 UE向所述宏基站发送指示信息， 其中， 所述指示信息用于请求所述宏基站为 所述 UE配置第二测量间隙图样，所述第二测量间隙图样中的测量间隙周期小 于所述第一测量间隙图样中的测量间隙周期；
所述 UE接收所述宏基站配置的第二测量间隙图样，按照所述第二测量间 隙图样接收所述小型基站辐射的信号，以及基于接收到的所述小型基站辐射的 信号对所述小型基站的小型小区进行识别和测量。
5、 如权利要求 4所述的方法， 其特征在于， 所述 UE按照宏基站配置的 第一测量间隙图样接收小型基站辐射的信号之前， 所述方法还包括： 所述 UE接收所述宏基站发送的所述小型基站存在的频点信息，所述小型 基站辐射信号的接收时间窗信息以及物理层小区标识列表。
6、 如权利要求 4或 5所述的方法， 其特征在于， 所述 UE按照宏基站配 置的第一测量间隙图样接收小型基站辐射的信号之前， 所述方法还包括： 所述 UE切换到信号连续接收模式。
7、 如权利要求 4至 6任意一项所述的方法， 其特征在于， 在所述 UE按 照宏基站配置的第一测量间隙图样接收小型基站辐射的信号之前，所述方法还 包括：
所述 UE激活空闲的射频链路，用于对所述小型基站的小型小区进行识别 和测量。
8、 如权利要求 4至 7任意一项所述的方法， 其特征在于， 所述信号为主 同步信号 PSS或辅同步信号 SSS或其他导频信号。
9、 如权利要求 4至 8任意一项所述的方法， 其特征在于， 所述信号的质 量指的是信号的功率或者信干噪比。
10、 如权利要求 4至 9任意一项所述的方法， 其特征在于， 所述信号质 量阈值由所述宏基站设置， 通过广播或者通过无线资源控制 RRC专用消息通 知给所述 UE, 或者由所述 UE自行设置。
11、 一种宏基站， 其特征在于， 包括：
配置单元， 用于为用户设备 UE配置第一测量间隙图样， 其中， 所述第 一测量间隙图样指的是在所述 UE识别和测量小型基站时所述宏基站为暂停与 所述 UE之间的数据传输而设置的数据格式；
接收单元， 用于接收所述 UE发送的指示信息， 所述指示信息用于表示 所述 UE接收到的所述小型基站辐射的信号的质量大于或等于预设的信号质量 阈值，所述小型基站辐射的信号质量由所述 UE按照所述第一测量间隙图样测 得；
所述配置单元还用于， 在所述接收单元接收到所述 UE发送的所述指示 信息之后， 为所述 UE配置第二测量间隙图样， 所述第二测量间隙图样中的测 量间隙周期小于所述第一测量间隙图样中的测量间隙周期。
12、 如权利要求 11所述的宏基站， 其特征在于， 所述宏基站还包括： 发送单元， 用于向所述 UE发送所述小型基站存在的频点信息， 所述小型 基站辐射信号的接收时间窗信息以及物理层小区标识列表。
13、 如权利要求 11或 12所述的宏基站， 其特征在于， 所述信号的质量 指的是接收到的信号的功率或者信干噪比。
14、 一种用户设备 UE, 其特征在于， 包括：
接收单元， 用于按照宏基站配置的第一测量间隙图样接收小型基站辐射 的信号；
处理单元， 用于测量所述接收单元接收的所述信号的质量， 以及基于所 述接收单元接收的所述信号对所述小型基站的小型小区进行识别和测量； 发送单元， 用于当所述处理单元确定所述信号的质量大于或等于预设的 信号质量阈值时， 向所述宏基站发送指示信息， 其中， 所述指示信息用于请求 所述宏基站为所述 UE配置第二测量间隙图样，所述第二测量间隙图样中的测 量间隙周期小于所述第一测量间隙图样中的测量间隙周期；
所述接收单元还用于， 接收所述宏基站配置的第二测量间隙图样， 按照 所述第二测量间隙图样接收所述小型基站辐射的信号；
所述处理单元还用于， 基于所述接收单元按照所述第二测量间隙图样接 收到的信号对所述小型基站的小型小区进行识别和测量。
15、 如权利要求 14所述的 UE, 其特征在于， 所述接收单元在按照宏基 站配置的第一测量间隙图样接收小型基站辐射的信号之前， 还用于：
接收所述宏基站发送的所述小型基站存在的频点信息，所述小型基站辐射 信号的接收时间窗信息以及物理层小区标识列表。
16、 如权利要求 14或 15所述的 UE, 其特征在于， 所述 UE还包括： 切换单元，用于在所述接收单元按照宏基站配置的第一测量间隙图样接收 小型基站辐射的信号之前， 从信号非连续接收模式切换到信号连续接收模式。
17、 如权利要求 14至 16任意一项所述的 UE, 其特征在于， 所述 UE还 包括：
链路激活单元，用于在所述接收单元按照宏基站配置的第一测量间隙图样 接收小型基站辐射的信号之前， 激活空闲的射频链路， 用于对所述小型基站的 小型小区进行识别和测量。
18、如权利要求 14至 17任意一项所述的 UE, 其特征在于， 所述信号为 主同步信号 PSS或辅同步信号 SSS或其他导频信号。
19、如权利要求 14至 18任意一项所述的 UE, 其特征在于， 所述信号的 质量指的是信号的功率或者信干噪比。
20、如权利要求 14至 19任意一项所述的 UE, 其特征在于， 所述信号质 量阈值由所述宏基站设置， 通过广播或者通过无线资源控制 RRC专用消息通 知所述 UE, 或者由所述 UE自行设置。
21、 一种宏基站， 其特征在于， 包括：
第一处理器， 用于为用户设备 UE配置第一测量间隙图样， 其中， 所述第 一测量间隙图样指的是在所述 UE识别和测量小型基站时所述宏基站为暂停与 所述 UE之间的数据传输而设置的数据格式；
第一接收器， 用于接收所述 UE发送的指示信息， 所述指示信息用于表示 所述 UE接收到的所述小型基站辐射的信号的质量大于或等于预设的信号质量 阈值，所述小型基站辐射的信号质量由所述 UE按照所述第一测量间隙图样测 付；
所述第一处理器还用于，在所述第一接收器接收到所述 UE发送的所述指 示信息后， 为所述 UE配置第二测量间隙图样， 所述第二测量间隙图样中的测 量间隙周期小于所述第一测量间隙图样中的 'J量间隙周期。
22、 如权利要求 21所述的宏基站， 其特征在于， 还包括：
第一发送器， 用于向所述 UE发送所述小型基站存在的频点信息， 所述小 型基站辐射信号的接收时间窗信息以及物理层小区标识列表。
23、 一种用户设备 UE, 其特征在于， 包括：
第二接收器，用于按照宏基站配置的第一测量间隙图样接收小型基站辐射 的信号；
第二处理器， 用于测量所述第二接收器接收的所述信号的质量， 以及基于 所述第二接收器接收的所述信号对所述小型基站的小型小区进行识别和测量； 第二发送器，用于当所述第二处理器确定所述信号的质量大于或等于预设 的信号质量阈值时， 向所述宏基站发送指示信息， 其中， 所述指示信息用于请 求所述宏基站为所述 UE配置第二测量间隙图样，所述第二测量间隙图样中的 测量间隙周期小于所述第一测量间隙图样中的测量间隙周期；
所述第二接收器还用于，接收所述宏基站配置的第二测量间隙图样，按照 所述第二测量间隙图样接收所述小型基站辐射的信号； 所述第二处理器还用于，基于所述第二接收器按照所述第二测量间隙图样 接收到的信号对所述小型基站的小型小区进行识别和测量。
24、 如权利要求 23所述的 UE, 其特征在于， 所述第二接收器还用于： 在按照宏基站配置的第一测量间隙图样接收小型基站辐射的信号之前，接 收所述宏基站发送的所述小型基站存在的频点信息，所述小型基站辐射信号的 接收时间窗信息以及物理层 d、区标识列表。
25、 如权利要求 23或 24所述的 UE, 其特征在于， 所述第二处理器还用 于：
在所述第二接收器按照宏基站配置的第一测量间隙图样接收小型基站辐 射的信号之前， 切换到信号连续接收模式。
26、 如权利要求 23至 25任意一项所述的 UE, 其特征在于， 所述第二处 理器还用于：
在所述第二接收器按照宏基站配置的第一测量间隙图样接收小型基站辐 射的信号之前， 激活空闲的射频链路， 用于对所述小型基站的小型小区进行识 别和测量。
PCT/CN2013/086292 2013-10-31 2013-10-31 一种测量配置方法、识别和测量方法、宏基站及ue WO2015062011A1 (zh)

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