CN103369583A - Different-frequency measuring method and device - Google Patents
Different-frequency measuring method and device Download PDFInfo
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- CN103369583A CN103369583A CN2012101044968A CN201210104496A CN103369583A CN 103369583 A CN103369583 A CN 103369583A CN 2012101044968 A CN2012101044968 A CN 2012101044968A CN 201210104496 A CN201210104496 A CN 201210104496A CN 103369583 A CN103369583 A CN 103369583A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W24/00—Supervisory, monitoring or testing arrangements
- H04W24/08—Testing, supervising or monitoring using real traffic
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W24/00—Supervisory, monitoring or testing arrangements
- H04W24/02—Arrangements for optimising operational condition
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W24/00—Supervisory, monitoring or testing arrangements
- H04W24/10—Scheduling measurement reports ; Arrangements for measurement reports
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- 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
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
- H04W88/08—Access point devices
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- 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
Abstract
The invention is applicable to the field of mobile communication and provides a different-frequency measuring method and a different-frequency measuring device. The method comprises the steps of transmitting a preset parameter to a micro eNB, wherein the preset parameter is used by the micro eNB for transmitting a finding signal at the working frequency of a macro eNB; transmitting the preset parameter to UE (User Equipment) served by the macro eNB, wherein the preset parameter is used by the UE for detecting the finding signal transmitted by the micro eNB; receiving signal quality information reported by the UE of the detected finding signal; and configuring carrier frequency for executing different-frequency measurement related to the micro eNB for the UE according to the signal quality information. By configuring corresponding finding signal parameters for the micro eNB through the macro eNB and informing the served UE of the configured finding signal parameters to enable the served UE to perform detection on the basis of the corresponding finding signal parameters and then perform different-frequency measurement according to the detection result, the micro cell finding accuracy and efficiency of the UE are improved and the electricity consumed by the UE is effectively saved.
Description
Technical field
The invention belongs to moving communicating field, relate in particular to a kind of different-frequency measuring method and device.
Background technology
Prior art adopts heterogeneous network (Heterogeneous Network usually, HetNet) increase the network coverage of mobile communication system, namely in macro base station (Macro eNB) coverage, access little base station (Micro eNB) by wired or wireless mode, such as femto base station (Pico eNB), Home eNodeB (Home eNB) or relay station (Relay) etc.In order further to improve the throughput of system of above-mentioned HetNet, can be by configuring a plurality of component carriers (Component Carrier at macro base station and each little base station, CC) pool one and have the more carrier wave of large transmission bandwidth, to support high data rate.
Under above-mentioned operation scene, as subscriber equipment (User Equipment, UE) when the frequency of macro base station is carried out work, it needs constantly to carry out the different-frequency measure about little base station in moving process, think to switch to little base station or select different CC to prepare.Yet, if UE in the situation that just do not carry out different-frequency measure near Microcell yet, can cause invalid measurement and the electric weight waste of UE.
Summary of the invention
The purpose of the embodiment of the invention is to provide a kind of different-frequency measuring method, is intended to reduce under the heterogeneous network operation scene UE electric weight waste that unnecessary different-frequency measure causes.
The embodiment of the invention is achieved in that a kind of different-frequency measuring method, comprising:
Send parameter preset to little base station, described parameter preset is used for launching discovery signals in the operating frequency of macro base station by described little base station;
UE to described macro base station service sends described parameter preset, and described parameter preset is used for the discovery signals of described little base station emission is detected by described UE;
Receive the signal quality information of the discovery signals that detects that described UE reports;
Be that described UE configuration is used for carrying out the carrier frequency about the different-frequency measure of little base station according to described signal quality information.
Another purpose of the embodiment of the invention is to provide a kind of different-frequency measuring method, comprising:
Obtain the parameter preset of emission discovery signals;
Launch discovery signals according to described parameter preset in the operating frequency of macro base station, the UE that described parameter preset is served by described macro base station is for detection of described discovery signals.
Another purpose of the embodiment of the invention is to provide a kind of different-frequency measuring method, comprising:
Obtain the parameter preset of little base station emission discovery signals;
Detect the described discovery signals of described little base station emission in the current service frequency of UE according to described parameter preset;
Send the signal quality information of the discovery signals that detects to described macro base station;
Be the carrier frequency of described UE configuration by described signal quality information according to described macro base station, carry out the different-frequency measure about little base station.
Another purpose of the embodiment of the invention is to provide a kind of different-frequency measure device, is positioned at macro base station, comprising:
The first parameter transmitting element is used for sending parameter preset to little base station, and described parameter preset is used for launching discovery signals in the operating frequency of macro base station by described little base station;
The second parameter transmitting element is used for sending described parameter preset to the UE of described macro base station service, and described parameter preset is used for the discovery signals of described little base station emission is detected by described UE;
The signal quality information receiving element is used for receiving the signal quality information of the discovery signals that detects that described UE reports;
Dispensing unit, being used for according to described signal quality information is that described UE configuration is used for carrying out the carrier frequency about the different-frequency measure of little base station.
Another purpose of the embodiment of the invention is to provide a kind of different-frequency measure device, is positioned at little base station, comprising:
The first parameter receiving element is used for obtaining the parameter preset of launching discovery signals;
Transmitter unit is used for launching discovery signals according to described parameter preset in the operating frequency of macro base station, and the UE that described parameter preset is served by described macro base station is for detection of described discovery signals.
Another purpose of the embodiment of the invention is to provide a kind of different-frequency measure device, it is characterized in that, is positioned at the UE of macro base station service, comprising:
The second parameter receiving element is used for obtaining the parameter preset that discovery signals is launched in little base station;
Detecting unit is used for detecting the discovery signals that launch described little base station according to described parameter preset in the current service frequency of described UE;
Signal quality information reports the unit, is used for sending to described macro base station the signal quality information of the discovery signals that detects;
The different-frequency measure unit, being used for according to described macro base station is the carrier frequency of described UE configuration by described signal quality information, carries out the different-frequency measure about little base station.
The embodiment of the invention is that little base station configures corresponding discovery signals parameter by macro base station, and notify UE to its service with the discovery signals parameter of configuration, so that the UE of its service detects based on corresponding discovery signals parameter, and then give testing result and carry out different-frequency measure, improve precision and the efficient of UE discovery Microcell, effectively saved the power consumption of UE.
Description of drawings
Fig. 1 is system's scene schematic diagram that different-frequency measuring method was suitable for that the embodiment of the invention provides;
Fig. 2 is the realization flow figure of the different-frequency measuring method macro base station that provides of the embodiment of the invention;
Fig. 3 is the realization flow figure of the little base station of different-frequency measuring method that provides of the embodiment of the invention;
Fig. 4 is the realization flow figure of the UE of the different-frequency measuring method macro base station service that provides of the embodiment of the invention;
Fig. 5 is the interaction diagrams of the different-frequency measuring method that provides of the embodiment of the invention;
Fig. 6 is the structured flowchart of the different-frequency measure device that provides of the embodiment of the invention.
Embodiment
In order to make purpose of the present invention, technical scheme and advantage clearer, below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the present invention, is not intended to limit the present invention.
The embodiment of the invention is come to configure corresponding discovery signals parameter for the little base station in its coverage by macro base station, and notify UE to its service with the discovery signals parameter of configuration, so that the UE of its service detects discovery signals based on corresponding discovery signals parameter, to judge the UE of its service and the position relationship of each Microcell according to testing result, thereby can carry out again different-frequency measure during near Microcell at UE, improve precision and the efficient of UE discovery Microcell, effectively saved the power consumption of UE.
Fig. 1 shows system's scene schematic diagram that different-frequency measuring method was suitable for that the embodiment of the invention provides, and for convenience of explanation, only shows the part relevant with the present embodiment.
With reference to Fig. 1, several little base stations 12 are placed by this system in the network coverage of macro base station 11, and this mobile communications network is accessed by wired or wireless mode in little base station 12, and wherein, little base station 12 can be Pico eNB, femto, Home eNB or Relay.At this moment, this system heap(ed) capacity that can obtain is macro base station 11 and the capacity sum of all little base stations 12.Under the said system scene, generally speaking, high-band frequency can be launched in little base station 12, low-frequency range, the wide frequency that covers can be launched at macro base station 11, when UE 13 moves in this coverage, near when one of them little base station 12, need to carry out different-frequency measure and communicate with the operating frequency that switches to this little base station.
The below is described in detail the different-frequency measuring method under system's scene shown in Figure 1:
Fig. 2 shows the realization flow of the different-frequency measuring method that the embodiment of the invention provides, and in the present embodiment, the executive agent of this flow process is macro base station 11 shown in Figure 1, and details are as follows:
In step S201, send parameter preset to little base station, described parameter preset is used for launching discovery signals in the operating frequency of macro base station by described little base station.
In the present embodiment, macro base station is notified each little base station by optical fiber or X2 interface, makes each little base station get access to it at the relevant parameter preset of the operating frequency emission discovery signals of macro base station.At this, parameter preset includes but not limited at least one in the time-frequency position of the time span of discovery signals emission in the emission cycle of discovery signals, described emission cycle and emission discovery signals, and it is can be according to existing protocol default or arrange according to actual operating environment.
As one embodiment of the present of invention, comprise the time-frequency position of little base station emission discovery signals when preset signals, for the transmission of time-frequency position following several send mode can be arranged:
1, by the time-frequency position of default each the little base station emission discovery signals of macro base station, perhaps, further, macro base station is correspondingly preset the time-frequency position of each little base station emission discovery signals for the different operating frequency of each little base station.
Under this mode, little base station can directly get access to the time-frequency position of its emission discovery signals.
2, macro base station sends all time-frequency positions that can launch discovery signals to each little base station, calculate by default rule according to himself sign or operating frequency each little base station, launches the time-frequency position of discovery signals to determine himself in all time-frequency positions.For example, each little base station obtains the time-frequency position that it launches discovery signals according to the ID of the Microcell of separately ID or this little base station based on following formula:
The time-frequency position of emission discovery signals=little base station IDs (or Microcell ID, or the Microcell operating frequency) mod (N), wherein, N comprises the array that all can launch the time-frequency position of discovery signals.
Under this mode, macro base station does not need to determine respectively the time-frequency position of each little base station emission discovery signals, unification sends the time-frequency position that all can launch discovery signals to each little base station, and self is obtained further by preset rules by each little base station for the definite of each time-frequency position, little base station.
As one embodiment of the present of invention, the parameter preset that the little base station of macro base station in its coverage sends can also comprise the power information of discovery signals, and for example maximum transmission power that discovery signals allows etc. is launched in transmitting power and the difference of the transmitting power on little base station work at present frequency, little base station of the transmitting power of the appointment of little base station emission discovery signals, little base station emission discovery signals.When the power information that configures for discovery signals was larger, UE can just detect in larger distance the discovery signals of little base station emission; When for the power information of discovery signals configuration hour, UE need to can detect in closer distance the discovery signals of little base station emission, therefore, by configuring above-mentioned power information for little base station, macro base station can be controlled the power bracket of little base station emission discovery signals, to adjust the promptness that UE finds Microcell according to reality operation needs.
As another embodiment of the present invention, the macro base station parameter preset can also be the mutually orthogonal needed relevant parameter of discovery signals of described little base station configuration and the discovery signals of other little base station emissions, discovery signals for example configures communicty preambel code (preamble) signal of macro base station or little base station, so that can be launched in identical time-frequency position in some different little base stations.The present embodiment is for a fairly large number of situation of Microcell, distinguish different little base stations by mutually orthogonal orthogonal code, can effectively reduce numerous little base stations resource occupation to the time-frequency position when the emission discovery signals, and effectively reduced the complexity of UE detection discovery signals, so that UE can get access to the relevant information of a plurality of discovery signals in one-time detection.
As another embodiment of the present invention, when macro base station had used a plurality of operating frequency, the parameter preset that macro base station sends to the little base station in its coverage also comprised the employed operating frequency of little base station emission discovery signals described in a plurality of operating frequencies.The present embodiment is applicable in a fairly large number of situation of Microcell, when macro base station has adopted a plurality of operating frequency, because too much Microcell has all adopted the same operating frequency of macro base station to launch discovery signals, increased the weight of undoubtedly the burden of this operating frequency of macro base station, need macro base station to close himself in the transfer of data of corresponding time-frequency position during simultaneously owing to Microcell emission discovery signals, therefore this operating frequency of macro base station is difficult to finish the communication process of macro base station self in this situation, therefore by different little base stations being specified the operating frequency of different discovery signals emissions, effectively alleviated the communications burden of macro base station.
Simultaneously, in a fairly large number of situation of Microcell, as another embodiment of the present invention, macro base station can be from the Microcell that a plurality of positions approach, select one or several Microcells to carry out the transmission of discovery signals, the Microcell of perhaps indicating several positions to approach carries out the transmission of discovery signals in turn, in this case, the position of appointed Microcell can be equal to the position of the Microcell that approaches with its position, approached one of them Microcell in case judge UE, can infer correspondingly that namely UE has approached other Microcells adjacent with this Microcell position, therefore the present embodiment has alleviated the communications burden of macro base station effectively, and be convenient to accelerate the detection procedure of UE, improved the efficient that Microcell is found.
In step S202, send described parameter preset to the UE of described macro base station service, described parameter preset is used for the discovery signals of described little base station emission is detected by described UE.
In the present embodiment, macro base station sends parameter preset corresponding to each little base station by system information or dedicated signaling to each UE of its service.For each UE that macro base station is served, based on the indicated corresponding parameter preset of macro base station, each UE all detects discovery signals on the current operating frequency of macro base station.
As one embodiment of the present of invention, when communicating under a plurality of carrier waves of UE at this macro base station that macro base station is served, in step S202, macro base station can also send relevant carrier information to UE further, is used for configuration UE and detects the employed carrier wave of discovery signals.
As one embodiment of the present of invention, when little base station emission discovery signals, macro base station need to be closed himself in the locational transfer of data of time-frequency corresponding to this discovery signals, so that discovery signals can successfully be launched in little base station, also so that UE can successfully detect the discovery signals of little base station emission.
In step S203, receive the signal quality information of the discovery signals that detects that described UE reports, described signal quality information comprises the signal quality of the discovery signals that detects.
In the present embodiment, each UE can send to macro base station the signal quality information of the discovery signals that detects after detecting discovery signals.In the present embodiment, when the discovery signals that detects when needs only had one, when for example little base station of access only had one, then macro base station can be known the relevant information of this discovery signals clearly, at this moment, UE only need to report the quality of its discovery signals that detects to get final product; And when more than one of the discovery signals that need to detect, the signal quality information that then reports this moment also needs to comprise the sign of the discovery signals that detects, described sign comprises the sign of little base station, Microcell or carrier frequency that the time-frequency station location marker of described discovery signals emission or described discovery signals are corresponding, so that macro base station can be determined according to the above-mentioned signal quality information of signal quality little base station of the discovery signals that emission UE detects.
As one embodiment of the present of invention, send the request that reports by macro base station to UE, report the action of the signal quality information of the discovery signals that detects to trigger UE.
In addition, in reporting request, can carry corresponding report condition, namely control the signal quality information that UE only reports the discovery signals that satisfies the certain predetermined condition.For example, pre-conditionedly just report can be higher than a predetermined threshold value for the signal quality when the discovery signals that detects the time, avoid thus unnecessary reporting information, reduce unnecessary signaling consumption.
In step S204, be that described UE configuration is used for carrying out the carrier frequency about the different-frequency measure of little base station according to described signal quality information.
In the present embodiment, macro base station is by determining little base station of this discovery signals of emission, namely can get access to the operating frequency of this little base station, and be that UE configures corresponding different-frequency measure according to this operating frequency, the specific implementation of configuration different-frequency measure can be determined according to agreement regulation or actual operating environment, the present embodiment is not done restriction to this, be not repeated herein.
The present embodiment comes to configure corresponding discovery signals parameter for the little base station in its coverage by macro base station, and notify UE to its service with the discovery signals parameter of configuration, so that the UE of its service detects based on corresponding discovery signals parameter, and then judge the position relationship of UE and each Microcell, thereby can carry out again different-frequency measure during near Microcell at UE, improve precision and the efficient of UE discovery Microcell, effectively saved the power consumption of UE.
Fig. 3 shows the realization flow of the different-frequency measuring method that the embodiment of the invention provides, and in the present embodiment, the executive agent of flow process is one of them the little base station 12 among Fig. 1, and details are as follows:
In step S301, obtain the parameter preset of emission discovery signals.
As one embodiment of the present of invention, parameter preset can obtain as receiving the parameter preset that macro base station sends by little base station as described in the step S201, comprises at least one in the time-frequency position of the time span of discovery signals emission in the emission cycle of discovery signals, described emission cycle or emission discovery signals.
As another embodiment of the present invention, when described parameter preset comprises the time-frequency position of launching discovery signals, little base station also can be stipulated according to agreement, by Microcell sign or the little Base Station Identification time-frequency position of determining its emission discovery signals of oneself, namely can not receive the indication of macro base station and the time-frequency position of determining to launch voluntarily discovery signals.For example, adopt following formula to get access to its corresponding time-frequency position:
Formula 1: the time-frequency position=little base station IDs of emission discovery signals (or Microcell ID, or Microcell operating frequency) mod (N), wherein, N is the number of the Resource Unit that can send discovery signals on certain operating frequency of macro base station;
When macro base station has adopted a plurality of carrier wave work, thereby the carrier wave that sends discovery signals also can be determined according to the relative carrier wave number of its ID delivery in little base station:
Formula 2: the carrier wave of emission discovery signals=little base station IDs (or Microcell ID) mod (the carrier wave number of macro base station).
In step S302, launch discovery signals according to described parameter preset in the operating frequency of macro base station, the UE that described parameter preset is served by described macro base station is for detection of described discovery signals.
In the present embodiment, for the limited little base station of RF capabilities, when needs emission discovery signals, can carry out the radio frequency switching by the communication process that suspends on its current certain operating frequency, launch with the operating frequency at macro base station; And for the not limited little base station of RF capabilities, then can in each the operating frequency emission of himself, adopt other radio frequencies to launch in the frequency of macro base station.Therefore, as one embodiment of the present of invention, between step S301 and step S302, can also comprise the steps:
Described parameter preset is sent to other UE of described little base station service, so that other UE of described little base station service stop at the communication behavior on the operating frequency of described little base station in the discovery signals emission.
Fig. 4 shows the realization flow of the different-frequency measuring method that the embodiment of the invention provides, in the present embodiment, the executive agent of flow process is the UE 13 among Fig. 1, owing to the realization principle of the present embodiment and embodiment of the invention correlation step shown in Figure 2 is consistent, no longer its related realization principle is repeated to set forth at this:
In step S401, obtain the parameter preset of little base station emission discovery signals.
As one embodiment of the present of invention, parameter preset comprises at least one in the time-frequency position of the time span of discovery signals emission in the emission cycle of discovery signals, described emission cycle or emission discovery signals, can be sent by described macro base station, also can be obtained according to the regulation of communication protocol by UE.
As another embodiment of the present invention, get access to the same principle of the time-frequency position of emission discovery signals according to agreement based on little base station among the step S201, when described parameter preset comprises the time-frequency position of launching discovery signals, can be calculated by the formula of mentioning among UE use and the step S201 time-frequency position of little base station emission discovery signals.Therefore, UE need to obtain little Base Station Identification, Microcell sign or operating frequency, the little Base Station Identification corresponding according to described little base station, Microcell sign or operating frequency are by the time-frequency position of the described little base station emission discovery signals of default Rule, perhaps UE need to obtain a plurality of time-frequencies position that little base station can send discovery signals from macro base station, and obtain little Base Station Identification, Microcell sign or operating frequency, the little Base Station Identification corresponding according to described little base station, Microcell sign or operating frequency can send the time-frequency position that obtains described little base station emission discovery signals in a plurality of time-frequencies position of discovery signals by default rule in described little base station.
As another embodiment of the present invention, the parameter preset that obtains also comprises the power information that described little base station emission discovery signals uses, and described power information comprises the transmitting power of appointment or the maximum transmission power of permission.
As another embodiment of the present invention, the parameter preset that obtains also comprises the carrier information that receives described macro base station transmission, and described carrier information is used for configuring described UE and detects the employed carrier wave of discovery signals.
In step S402, detect the discovery signals of described little base station emission in the current service frequency of described UE according to described parameter preset.
In step S403, send the signal quality information of the discovery signals that detects to described macro base station.
In the present embodiment, during more than one of the discovery signals that detects when needs, the signal quality information that then reports this moment also needs to comprise the sign of the discovery signals that detects, described sign comprises the sign of little base station, Microcell or carrier frequency that the time-frequency station location marker of described discovery signals emission or described discovery signals are corresponding, so that macro base station can be determined according to the above-mentioned signal quality information of signal quality little base station of the discovery signals that emission UE detects.
As one embodiment of the present of invention, UE can be higher than to the signal quality that macro base station sends the discovery signals detect the signal quality information of the discovery signals of the first predetermined threshold value, reduce thus unnecessary discovery signals measurement and report, avoid when UE is not enough near a Microcell, producing unnecessary signaling consumption.
As another embodiment of the present invention, UE also can be lower than to the signal quality that macro base station sends the discovery signals detect the signal quality information of the discovery signals of the second predetermined threshold value, the present embodiment is applicable to after macro base station has configured different-frequency measure to UE, when the signal quality of the discovery signals that detects is lower than the second predetermined threshold value, again send the signal quality information of the discovery signals that detects to macro base station, so that finding this UE as far as possible in advance, macro base station carried out the Microcell of different-frequency measure away from it, thereby cancellation UE is to the different-frequency measure behavior of this Microcell, to reduce the measurement power consumption of UE.
As another embodiment of the present invention, UE also can receive that macro base station sends report request after, trigger immediately the behavior of the signal quality information that reports the discovery signals that detects, in the present embodiment, reporting of signal quality information need not to satisfy certain report condition, only need report according to the indication of macro base station to get final product.
In step S404, according to described macro base station by described signal quality information be described UE configuration carrier frequency, carry out the different-frequency measure about little base station.Different for the service frequency that the carrier frequency of the execution different-frequency measure of described UE configuration and described UE are current, namely be different from the operating frequency of macro base station.
Fig. 5 shows the interaction diagrams of the different-frequency measuring method that the embodiment of the invention provides, the executive agent that participates in this interaction flow comprises macro base station 11, one of them little base station 12 and the UE 13 among Fig. 1, the realization principle of this interaction flow is consistent with the realization principle of described each the executive agent side of Fig. 2 to Fig. 4, therefore only describe briefly this interaction flow, do not give unnecessary details:
1, macro base station sends parameter preset to the little base station in its coverage;
2, macro base station sends parameter preset corresponding to this little base station to the UE of its service;
3, macro base station is closed the transfer of data of corresponding time-frequency position, and little base station is launched discovery signals according to parameter preset in the operating frequency of macro base station simultaneously;
4, UE detects discovery signals based on the parameter preset that macro base station sends in UE current service frequency;
5, UE sends the signal quality information of the discovery signals that detects to macro base station;
6, macro base station is that UE configures corresponding different-frequency measure according to this signal quality information;
7, UE carries out corresponding different-frequency measure.
Fig. 6 shows the structured flowchart of the different-frequency measure device that the embodiment of the invention provides, and this device lays respectively among macro base station shown in Figure 1 11, one of them little base station 12 and the UE 13, and is used for realizing respectively the described different-frequency measuring method of Fig. 2 to Fig. 5 of the present invention.For convenience of explanation, only show the part relevant with the present embodiment.
With reference to Fig. 6, at macro base station, this device comprises:
The first parameter transmitting element 601 sends parameter preset to little base station, and described parameter preset is used for launching discovery signals in the operating frequency of macro base station by described little base station.
Wherein, described parameter preset comprises in the time-frequency position of the time span of discovery signals emission in the emission cycle of discovery signals, described emission cycle or emission discovery signals at least one.
When described parameter preset comprises the time-frequency position of launching discovery signals, described the first parameter transmitting element 601 is used for sending the time-frequency position that all can launch discovery signals to described little base station, so that described little base station is according to the time-frequency position of the emission discovery signals of default its correspondence of Rule.
As another embodiment of the present invention, described parameter preset also comprises the power information of discovery signals, and described power information comprises the transmitting power of appointment or the maximum transmission power of permission.
As another embodiment of the present invention, when described macro base station had used a plurality of operating frequency, described parameter preset also comprised: the employed operating frequency of little base station emission discovery signals described in a plurality of operating frequencies.
As another embodiment of the present invention, this device also comprises the orthogonal signalling dispensing unit, is used to the mutually orthogonal discovery signals of described little base station configuration and the discovery signals of other little base station emissions.
The second parameter transmitting element 602 sends described parameter preset to the UE of described macro base station service, and described parameter preset is used for the discovery signals of described little base station emission is detected by described UE.
In the present embodiment, this device that is positioned at macro base station has also comprised:
Transmission control unit when described little base station emission discovery signals, is closed described macro base station in the transfer of data of the time-frequency position of described little base station emission discovery signals.
The carrier information transmitting element sends carrier information to described UE, and described carrier information is used for configuring described UE and detects the employed carrier wave of discovery signals.
Report request transmitting unit, send the request that reports to described UE, described reporting asks to be used to indicate the signal quality information that UE reports the discovery signals that detects.
Signal quality information receiving element 603 receives the signal quality information of the discovery signals that detects that described UE reports.
As one embodiment of the present of invention, signal quality information also comprises the sign of the discovery signals that detects, and described sign comprises the sign of little base station, Microcell or carrier frequency that the time-frequency station location marker of described discovery signals emission or described discovery signals are corresponding.
In little base station, this device comprises:
The first parameter receiving element 605 obtains the parameter preset of launching discovery signals.
As one embodiment of the present of invention, the first parameter receiving element 605 is used for receiving the parameter preset that described macro base station sends, and described parameter preset comprises at least one in the time-frequency position of the time span of discovery signals emission in the emission cycle of discovery signals, described emission cycle or emission discovery signals.
As another embodiment of the present invention, when described parameter preset comprised the time-frequency position of launching discovery signals, described the first parameter receiving element was used for according to little Base Station Identification corresponding to described little base station, Microcell sign or the operating frequency time-frequency position by default Rule emission discovery signals.
Also comprise:
The UE notification unit sends to described parameter preset other UE of described little base station service, stops at the communication behavior on the operating frequency of described little base station within the time of discovery signals emission with other UE that notify described little base station service.
On the UE of macro base station service, this device comprises:
The second parameter receiving element 607 obtains the parameter preset that discovery signals is launched in little base station.
Described parameter preset comprises at least one among the time span that the interior discovery signals of emission cycle, each emission cycle of discovery signals is launched or the time-frequency position of the launching discovery signals, can be sent by macro base station, also can obtain according to the communication protocol regulation.
As one embodiment of the present of invention, described the second parameter receiving element 607 comprises:
The first running time-frequency resource acquisition of information subelement obtains little Base Station Identification corresponding to described little base station, Microcell sign or operating frequency.
The second time-frequency position acquisition subelement is according to little Base Station Identification corresponding to described little base station, Microcell sign or the operating frequency time-frequency position by the described little base station emission discovery signals of default Rule.
As another embodiment of the present invention, described the second parameter receiving element 607 comprises:
Time-frequency position acquisition subelement, the little base station that obtains described macro base station transmission can send a plurality of time-frequencies position of discovery signals.
The second running time-frequency resource acquisition of information subelement obtains little Base Station Identification corresponding to described little base station, Microcell sign or operating frequency.
The second time-frequency position acquisition subelement, according to little Base Station Identification corresponding to described little base station, Microcell sign or operating frequency, can send the time-frequency position that obtains described little base station emission discovery signals in a plurality of time-frequencies position of discovery signals by default rule in described little base station.
As one embodiment of the present of invention, this device also comprises:
The power information receiving element, the power information that discovery signals uses is launched in the described little base station that receives described macro base station transmission, and described power information comprises the transmitting power of appointment or the maximum transmission power of permission.
As one embodiment of the present of invention, this device also comprises:
The carrier information receiving element is used for receiving the carrier information that described macro base station sends, and described carrier information is used for configuring described UE and detects the employed carrier wave of discovery signals.
Detecting unit 608 detects the discovery signals that launch described little base station according to described parameter preset in the current service frequency of described UE.
Signal quality information reports unit 609, sends the signal quality information of the discovery signals that detects to described macro base station.
As one embodiment of the present of invention, signal quality information also comprises the sign of the discovery signals that detects, and described sign comprises the sign of little base station, Microcell or carrier frequency that the time-frequency station location marker of described discovery signals emission or described discovery signals are corresponding.
As one embodiment of the present of invention, signal quality information reports unit 610 to be higher than the signal quality information of the discovery signals of the first predetermined threshold value for the signal quality that sends the discovery signals that detects to described macro base station.
As another embodiment of the present invention, signal quality information reports unit 610 also to be used for behind the different-frequency measure of carrying out about little base station, the signal quality that sends the discovery signals that detects to described macro base station is lower than the signal quality information of the discovery signals of the second predetermined threshold value, so that described macro base station during away from described little base station, stops described UE corresponding different-frequency measure according to this signal quality information at described UE.
As another embodiment of the present invention, signal quality information report unit 610 also be used for when receive that described macro base station sends report request after, the signal quality information of the discovery signals that detects to described macro base station transmission.
Different-frequency measure unit 610 is the carrier frequency of described UE configuration according to described macro base station by described signal quality information, carries out the different-frequency measure about little base station.
The embodiment of the invention is come to configure corresponding discovery signals parameter for the little base station in its coverage by macro base station, and notify UE to its service with the discovery signals parameter of configuration, so that the UE of its service detects discovery signals based on corresponding discovery signals parameter, to judge the UE of its service and the position relationship of each Microcell according to testing result, thereby can carry out again different-frequency measure during near Microcell at UE, improve precision and the efficient of UE discovery Microcell, effectively saved the power consumption of UE.
The above only is preferred embodiment of the present invention, not in order to limiting the present invention, all any modifications of doing within the spirit and principles in the present invention, is equal to and replaces and improvement etc., all should be included within protection scope of the present invention.
Claims (48)
1. a different-frequency measuring method is characterized in that, comprising:
Send parameter preset to little base station, described parameter preset is used for launching discovery signals in the operating frequency of macro base station by described little base station;
UE to described macro base station service sends described parameter preset, and described parameter preset is used for the discovery signals of described little base station emission is detected by described UE;
Receive the signal quality information of the discovery signals that detects that described UE reports;
Be that described UE configuration is used for carrying out the carrier frequency about the different-frequency measure of little base station according to described signal quality information.
2. the method for claim 1 is characterized in that, described parameter preset comprises at least one in the time-frequency position of the time span of discovery signals emission in the emission cycle of discovery signals, described emission cycle or emission discovery signals.
3. the method for claim 1 is characterized in that, also comprises:
When described little base station emission discovery signals, close described macro base station in the transfer of data of the time-frequency position of described little base station emission discovery signals.
4. method as claimed in claim 2 is characterized in that, described parameter preset also comprises the power information of described little base station emission discovery signals, and described power information comprises the transmitting power of appointment or the maximum transmission power of permission.
5. method as claimed in claim 2 is characterized in that, also comprises:
Be the mutually orthogonal described discovery signals of described little base station configuration and the discovery signals of other little base station emissions.
6. the method for claim 1 is characterized in that, when described macro base station has used a plurality of operating frequency, also comprises: send the employed operating frequency of little base station emission discovery signals described in a plurality of operating frequencies to described UE.
7. the method for claim 1 is characterized in that, also comprises:
Send carrier information to described UE, described carrier information is used for configuring described UE and detects the employed carrier wave of discovery signals.
8. the method for claim 1 is characterized in that, also comprises:
Send the request that reports to described UE, described reporting asks to be used to indicate the signal quality information that UE reports the discovery signals that detects.
9. the method for claim 1, it is characterized in that, described signal quality information also comprises the sign of the discovery signals that detects, and described sign comprises the sign of little base station, Microcell or carrier frequency that the time-frequency station location marker of described discovery signals emission or described discovery signals are corresponding.
10. a different-frequency measuring method is characterized in that, comprising:
Obtain the parameter preset of emission discovery signals;
Launch discovery signals according to described parameter preset in the operating frequency of macro base station, the UE that described parameter preset is served by described macro base station is for detection of described discovery signals.
11. method as claimed in claim 10 is characterized in that, the described parameter preset that obtains the emission discovery signals comprises:
Receive the parameter preset that described macro base station sends, described parameter preset comprises at least one in the time-frequency position of the time span of discovery signals emission in the emission cycle of discovery signals, described emission cycle or emission discovery signals.
12. method as claimed in claim 11 is characterized in that, when described parameter preset comprised the time-frequency position of launching discovery signals, the described parameter preset that obtains the emission discovery signals comprised:
According to little Base Station Identification corresponding to described little base station, Microcell sign or the operating frequency time-frequency position by default Rule emission discovery signals.
13. method as claimed in claim 10 is characterized in that, also comprises:
Described parameter preset is sent to other UE of described little base station service, within the time of discovery signals emission, stop at the communication behavior on the operating frequency of described little base station with other UE that notify described little base station service.
14. a different-frequency measuring method is characterized in that, comprising:
Obtain the parameter preset of little base station emission discovery signals;
Detect the described discovery signals of described little base station emission in the current service frequency of UE according to described parameter preset;
Send the signal quality information of the discovery signals that detects to described macro base station;
Be the carrier frequency of described UE configuration by described signal quality information according to described macro base station, carry out the different-frequency measure about little base station.
15. method as claimed in claim 14 is characterized in that, described parameter preset comprises at least one among the time span that the interior discovery signals of emission cycle, each emission cycle of discovery signals is launched or the time-frequency position of the launching discovery signals.
16. method as claimed in claim 15 is characterized in that, described parameter preset is sent by macro base station.
17. method as claimed in claim 15 is characterized in that, the described parameter preset that obtains little base station transmit signals comprises:
Obtain little Base Station Identification corresponding to described little base station, Microcell sign or operating frequency;
According to little Base Station Identification corresponding to described little base station, Microcell sign or the operating frequency time-frequency position by the described little base station emission discovery signals of default Rule.
18. method as claimed in claim 15 is characterized in that, the described parameter preset that obtains little base station transmit signals comprises:
The little base station that obtains described macro base station transmission can send a plurality of time-frequencies position of discovery signals;
Obtain little Base Station Identification corresponding to described little base station, Microcell sign or operating frequency;
According to little Base Station Identification corresponding to described little base station, Microcell sign or operating frequency, can send the time-frequency position that obtains described little base station emission discovery signals in a plurality of time-frequencies position of discovery signals by default rule in described little base station.
19. method as claimed in claim 15 is characterized in that, also comprises the power information of the described little base station emission discovery signals use that receives described macro base station transmission, described power information comprises the transmitting power of appointment or the maximum transmission power of permission.
20. method as claimed in claim 15 is characterized in that, also comprises:
Receive the carrier information that described macro base station sends, described carrier information is used for configuring described UE and detects the employed carrier wave of discovery signals.
21. method as claimed in claim 14, it is characterized in that, described signal quality information also comprises the sign of the discovery signals that detects, and described sign comprises the sign of little base station, Microcell or carrier frequency that the time-frequency station location marker of described discovery signals emission or described discovery signals are corresponding.
22. method as claimed in claim 14 is characterized in that, the described signal quality information that sends the discovery signals that detects to described macro base station comprises:
When the signal quality of the discovery signals that detects is higher than the first predetermined threshold value, send the signal quality information of the discovery signals that detects to described macro base station.
23. method as claimed in claim 14 is characterized in that, behind the different-frequency measure of carrying out about little base station, also comprises:
When the signal quality of the discovery signals that detects is lower than the second predetermined threshold value, again send the signal quality information of the discovery signals that detects to described macro base station.
24. the described method of claim 14 is characterized in that, the described signal quality information that sends the discovery signals that detects to described macro base station comprises:
When receive that described macro base station sends report request after, send the signal quality information of the discovery signals that detects to described macro base station.
25. a different-frequency measure device is characterized in that, is positioned at macro base station, comprising:
The first parameter transmitting element is used for sending parameter preset to little base station, and described parameter preset is used for launching discovery signals in the operating frequency of macro base station by described little base station;
The second parameter transmitting element is used for sending described parameter preset to the UE of described macro base station service, and described parameter preset is used for the discovery signals of described little base station emission is detected by described UE;
The signal quality information receiving element is used for receiving the signal quality information of the discovery signals that detects that described UE reports;
Dispensing unit, being used for according to described signal quality information is that described UE configuration is used for carrying out the carrier frequency about the different-frequency measure of little base station.
26. device as claimed in claim 25 is characterized in that, described parameter preset comprises at least one in the time-frequency position of the time span of discovery signals emission in the emission cycle of discovery signals, described emission cycle or emission discovery signals.
27. device as claimed in claim 25 is characterized in that, also comprises:
Transmission control unit is used for closing described macro base station in the transfer of data of the time-frequency position of described little base station emission discovery signals when described little base station emission discovery signals.
28. device as claimed in claim 26 is characterized in that, described parameter preset also comprises the power information of described little base station emission discovery signals, and described power information comprises the transmitting power of appointment or the maximum transmission power of permission.
29. device as claimed in claim 26 is characterized in that, also comprises:
The orthogonal signalling dispensing unit is used to the mutually orthogonal described discovery signals of described little base station configuration and the discovery signals of other little base station emissions.
30. device as claimed in claim 25 is characterized in that, when described macro base station had used a plurality of operating frequency, described parameter preset also comprised: the employed operating frequency of little base station emission discovery signals described in a plurality of operating frequencies.
31. device as claimed in claim 25 is characterized in that, also comprises:
The carrier information transmitting element is used for sending carrier information to described UE, and described carrier information is used for configuring described UE and detects the employed carrier wave of discovery signals.
32. device as claimed in claim 25 is characterized in that, also comprises:
Report request transmitting unit, be used for sending the request that reports to described UE, described reporting asks to be used to indicate the signal quality information that UE reports the discovery signals that detects.
33. device as claimed in claim 25, it is characterized in that, described signal quality information also comprises the sign of the discovery signals that detects, and described sign comprises the sign of little base station, Microcell or carrier frequency that the time-frequency station location marker of described discovery signals emission or described discovery signals are corresponding.
34. a different-frequency measure device is characterized in that, is positioned at little base station, comprising:
The first parameter receiving element is used for obtaining the parameter preset of launching discovery signals;
Transmitter unit is used for launching discovery signals according to described parameter preset in the operating frequency of macro base station, and the UE that described parameter preset is served by described macro base station is for detection of described discovery signals.
35. device as claimed in claim 34, it is characterized in that, described the first parameter receiving element is used for receiving the parameter preset that described macro base station sends, and described parameter preset comprises at least one in the time-frequency position of the time span of discovery signals emission in the emission cycle of discovery signals, described emission cycle or emission discovery signals.
36. device as claimed in claim 35, it is characterized in that, when described parameter preset comprised the time-frequency position of launching discovery signals, described the first parameter receiving element was used for according to little Base Station Identification corresponding to described little base station, Microcell sign or the operating frequency time-frequency position by default Rule emission discovery signals.
37. device as claimed in claim 34 is characterized in that, also comprises:
The UE notification unit is used for described parameter preset is sent to other UE of described little base station service, stops at the communication behavior on the operating frequency of described little base station within the time of discovery signals emission with other UE that notify described little base station service.
38. a different-frequency measure device is characterized in that, is positioned at the UE of macro base station service, comprising:
The second parameter receiving element is used for obtaining the parameter preset that discovery signals is launched in little base station;
Detecting unit is used for detecting the discovery signals that launch described little base station according to described parameter preset in the current service frequency of described UE;
Signal quality information reports the unit, is used for sending to described macro base station the signal quality information of the discovery signals that detects;
The different-frequency measure unit, being used for according to described macro base station is the carrier frequency of described UE configuration by described signal quality information, carries out the different-frequency measure about little base station.
39. device as claimed in claim 38 is characterized in that, described parameter preset comprises at least one among the time span that the interior discovery signals of emission cycle, each emission cycle of discovery signals is launched or the time-frequency position of the launching discovery signals.
40. device as claimed in claim 39 is characterized in that, described parameter preset is sent by macro base station.
41. device as claimed in claim 39 is characterized in that, described the second parameter receiving element comprises:
The first running time-frequency resource acquisition of information subelement is used for obtaining little Base Station Identification corresponding to described little base station, Microcell sign or operating frequency;
The first time-frequency position acquisition subelement is used for according to little Base Station Identification corresponding to described little base station, Microcell sign or the operating frequency time-frequency position by the described little base station emission discovery signals of default Rule.
42. device as claimed in claim 39 is characterized in that, described the second parameter receiving element comprises:
Time-frequency position acquisition subelement is used for obtaining a plurality of time-frequencies position that little base station that described macro base station sends can send discovery signals;
The second running time-frequency resource acquisition of information subelement is used for obtaining little Base Station Identification corresponding to described little base station, Microcell sign or operating frequency;
The second time-frequency position acquisition subelement, be used for according to little Base Station Identification corresponding to described little base station, Microcell sign or operating frequency, can send the time-frequency position that obtains described little base station emission discovery signals in a plurality of time-frequencies position of discovery signals by default rule in described little base station.
43. device as claimed in claim 39 is characterized in that, also comprises:
The power information receiving element, for the power information that the described little base station emission discovery signals that receives described macro base station transmission uses, described power information comprises the transmitting power of appointment or the maximum transmission power of permission.
44. device as claimed in claim 39 is characterized in that, also comprises:
The carrier information receiving element is used for receiving the carrier information that described macro base station sends, and described carrier information is used for configuring described UE and detects the employed carrier wave of discovery signals.
45. device as claimed in claim 38, it is characterized in that, described signal quality information also comprises the sign of the discovery signals that detects, and described sign comprises the sign of little base station, Microcell or carrier frequency that the time-frequency station location marker of described discovery signals emission or described discovery signals are corresponding.
46. device as claimed in claim 38 is characterized in that, described information reporting unit is used for sending the signal quality information of the discovery signals that detects to described macro base station when the signal quality of the discovery signals that detects is higher than the first predetermined threshold value.
47. device as claimed in claim 38, it is characterized in that, described information reporting unit is used for behind the different-frequency measure of carrying out about little base station, when the signal quality of the discovery signals that detects is lower than the second predetermined threshold value, again send the signal quality information of the discovery signals that detects to described macro base station.
48. device as claimed in claim 38 is characterized in that, described information reporting unit be used for when receive that described macro base station sends report request after, the signal quality information of the discovery signals that detects to described macro base station transmission.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210104496.8A CN103369583B (en) | 2012-04-11 | 2012-04-11 | A kind of different-frequency measuring method and device |
| PCT/CN2013/070167 WO2013152630A1 (en) | 2012-04-11 | 2013-01-07 | Inter-frequency measurement method and device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201210104496.8A CN103369583B (en) | 2012-04-11 | 2012-04-11 | A kind of different-frequency measuring method and device |
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| CN103369583A true CN103369583A (en) | 2013-10-23 |
| CN103369583B CN103369583B (en) | 2016-08-03 |
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| WO (1) | WO2013152630A1 (en) |
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| Publication number | Publication date |
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| WO2013152630A1 (en) | 2013-10-17 |
| CN103369583B (en) | 2016-08-03 |
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