CN103220703A - Measuring method, measuring equipment and measuring system of radio resource management - Google Patents

Measuring method, measuring equipment and measuring system of radio resource management Download PDF

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CN103220703A
CN103220703A CN2012100189546A CN201210018954A CN103220703A CN 103220703 A CN103220703 A CN 103220703A CN 2012100189546 A CN2012100189546 A CN 2012100189546A CN 201210018954 A CN201210018954 A CN 201210018954A CN 103220703 A CN103220703 A CN 103220703A
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configuration information
measurement configuration
corresponding identification
information corresponding
measurement
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CN103220703B (en
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栗忠峰
刘菁
毕皓
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Huawei Technologies Co Ltd
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Huawei Technologies Co Ltd
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    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B17/00Monitoring; Testing
    • H04B17/10Monitoring; Testing of transmitters
    • H04B17/15Performance testing
    • H04B17/16Test equipment located at the transmitter

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Abstract

The invention discloses a measuring method, measuring equipment and a measuring system of radio resource management, and belongs to the field of communications. The measuring method includes that a network side confirms measurement configuration information used by user equipment (UE) when conducting measuring, wherein the measurement configuration information comprises one or the combination of the following information: an antenna port of channel state indication-radio station (CSI-RS), resource configuration, subframe configuration, physical cellular identification, power information, carrier wave identification and CSI-RS scrambling identification (ID); the network side sends the measurement configuration information and/ or corresponding identification of the measurement configuration information to the UE, and the UE conducts relevant measuring according to the measurement configuration information and/ or the corresponding identification of the measurement configuration information. The network side equipment comprises a confirmation module and a first sending module. The UE comprises a first receiving module and a measuring module. By means of the measuring method, the measuring equipment and the measuring system of radio resource management, the measurement of radio resource management (RRM) based on CSI-RS is introduced, and thus the network side can distinguish the quality of channels between each network node and the UE according to the CSI-RS measuring result reported by the UE.

Description

The method of measurement of RRM, equipment and system
Technical field
The present invention relates to the communications field, particularly a kind of method of measurement of RRM, equipment and system.
Background technology
In network traffic skewness, the characteristic of channel because of channel under the situation such as weak and interference fluctuations, for flexible allocation and the dynamic available resources of adjusting wireless transmission part and network, farthest improve the wireless frequency spectrum utilance, prevent network congestion and keep as far as possible little signaling traffic load, can being that wireless user terminal provides the quality of service guarantee in the network, at LTE (Long Term Evolution, Long Term Evolution) in the system, usually need to carry out the measurement of RRM (Radio Resource Management, RRM).
In the metering system of RRM in the existing LTE system, the RRM of UE (User Equipment, subscriber equipment) measures and is based on that CRS (Cell-specific Reference Signal, the reference signal that the sub-district is specific) carries out.Network side is that the object information (for example: measure frequency and measure bandwidth etc.) and the measurement that need to specify UE to measure report configuration information (for example: measure and report trigger event, measurement reported result type etc.) in the measurement configuration that issues of UE.
In realizing process of the present invention, the inventor finds that there is following shortcoming at least in prior art:
Under HetNet (heterogeneous network) scene, if disposed a plurality of RRH (Remote Radio Head in Macro (macrocell) coverage, the wireless contact of far-end), and these RRH use identical carrier frequency and PCI (Physical Cell Identifier with Macro, Physical Cell Identifier), therefore, the measurement mechanism that UE continues to use existing CRS reports, and network side can't be distinguished the channel quality of access link under each RRH node.
Summary of the invention
For in the measuring process of RRM, make network side can distinguish channel quality between each network node and UE, the embodiment of the invention provides a kind of method of measurement, equipment and system of RRM.Described technical scheme is as follows:
On the one hand, provide a kind of method of measurement of RRM, described method comprises:
Network equipment determines that user equipment (UE) measures the measurement configuration information of use, and described measurement configuration information comprises one of following or combination: the antenna port of channel state information reference signals CSI-RS, resource distribution, sub-frame configuration, Physical Cell Identifier, power information, carrier identification and CSI-RS scrambling sign;
Described measurement configuration information and/or described measurement configuration information corresponding identification are sent to described UE, described UE is measured accordingly according to described measurement configuration information and/or described measurement configuration information corresponding identification.
A kind of network equipment also is provided, and described equipment comprises:
Determination module, be used for determining that user equipment (UE) measures the measurement configuration information of use, described measurement configuration information comprises one of following or combination: the antenna port of channel state information reference signals CSI-RS, resource distribution, sub-frame configuration, Physical Cell Identifier, power information, carrier identification and CSI-RS scrambling sign;
First sending module, be used for measurement configuration information and/or described measurement configuration information corresponding identification that described determination module is determined are sent to described UE, described UE is measured accordingly according to described measurement configuration information and/or described measurement configuration information corresponding identification.
On the other hand, also provide a kind of subscriber equipment, described equipment comprises:
First receiver module, be used to receive measurement configuration information and/or described measurement configuration information corresponding identification that network equipment sends, described measurement configuration information comprises one of following or combination: the antenna port of channel state information reference signals CSI-RS, resource distribution, sub-frame configuration, Physical Cell Identifier, power information, carrier identification and CSI-RS scrambling sign;
Measurement module, the measurement configuration information and/or the measurement configuration information corresponding identification that are used for receiving according to described first receiver module are measured accordingly.
The beneficial effect of the technical scheme that the embodiment of the invention provides is:
By introducing measurement, make network side to distinguish channel quality between each network node and UE according to the CSI-RS measurement result that UE reports based on the RRM of CSI-RS.
Description of drawings
In order to be illustrated more clearly in the technical scheme in the embodiment of the invention, the accompanying drawing of required use is done to introduce simply in will describing embodiment below, apparently, accompanying drawing in describing below only is some embodiments of the present invention, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the network design schematic diagram under the HetNet scene that provides of the embodiment of the invention one;
Fig. 2 is the method for measurement flow chart of a kind of RRM of providing of the embodiment of the invention one;
Fig. 3 is the method for measurement flow chart of a kind of RRM of providing of the embodiment of the invention two;
Fig. 4 is the method for measurement flow chart of a kind of RRM of providing of the embodiment of the invention three;
Fig. 5 is the method for measurement flow chart of a kind of RRM of providing of the embodiment of the invention four;
Fig. 6 is the method for measurement flow chart of a kind of RRM of providing of the embodiment of the invention five;
Fig. 7 is the structural representation of a kind of network equipment of providing of the embodiment of the invention six;
Fig. 8 is the structural representation of first sending module that provides of the embodiment of the invention six;
Fig. 9 is the structural representation of another kind first sending module that provides of the embodiment of the invention six;
Figure 10 is the structural representation of the another kind of network equipment that provides of the embodiment of the invention six;
Figure 11 is the structural representation of the another kind of network equipment that provides of the embodiment of the invention six;
Figure 12 is the structural representation of the another kind of network equipment that provides of the embodiment of the invention six;
Figure 13 is the structural representation of the another kind of network equipment that provides of the embodiment of the invention six;
Figure 14 is the structural representation of a kind of subscriber equipment of providing of the embodiment of the invention seven;
Figure 15 is the structural representation of the another kind of subscriber equipment that provides of the embodiment of the invention seven;
Figure 16 is the structural representation of the another kind of subscriber equipment that provides of the embodiment of the invention seven;
Figure 17 is the structural representation of the another kind of subscriber equipment that provides of the embodiment of the invention seven;
Figure 18 is the measuring system structural representation of a kind of RRM of providing of the embodiment of the invention nine.
Embodiment
For making the purpose, technical solutions and advantages of the present invention clearer, embodiment of the present invention is described further in detail below in conjunction with accompanying drawing.
Embodiment one
Present embodiment provides a kind of method of measurement of RRM, before introducing the method that present embodiment provides, at first referring to the network design schematic diagram under the HetNet scene shown in Figure 1.Among Fig. 1, if disposed a plurality of RRH in Macro (macrocell) coverage, and these RRH use identical carrier frequency and PCI (Physical Cell Identifier with Macro, Physical Cell Identifier), if then the UE measurement mechanism of continuing to use existing CRS reports, network side can't be distinguished the channel quality of access link under each RRH node.To this, the method that present embodiment provides has taked to realize based on CSI-RS (Channel State Information Reference Signal, channel state information reference signals) measurement of RRM, and referring to Fig. 2, the method flow that present embodiment provides is specific as follows:
201: network equipment determines that UE measures the measurement configuration information of use, and this measurement configuration information comprises one of following or combination: the antenna port of CSI-RS, resource distribution, sub-frame configuration, Physical Cell Identifier, power information, carrier identification and CSI-RS scrambling sign;
202: measurement configuration information and/or measurement configuration information corresponding identification are sent to UE, UE is measured accordingly according to measurement configuration information and/or measurement configuration information corresponding identification.
Wherein, measurement configuration information and/or measurement configuration information corresponding identification are sent to UE, specifically comprise:
In measuring configuration, set up new measuring object, comprise measurement configuration information and/or measurement configuration information corresponding identification in the new measuring object, and will measure to dispose and send to UE.
Alternatively, measurement configuration information and/or measurement configuration information corresponding identification are sent to UE, specifically comprise:
Increase measurement configuration information and/or measurement configuration information corresponding identification in original measuring object in measuring configuration, and will measure to dispose and send to UE.
Further, the measurement configuration information corresponding identification is sent to before the UE, also comprises:
Network equipment and UE store measurement configuration information and measurement configuration information corresponding identification separately;
Measurement configuration information and/or measurement configuration information corresponding identification are sent to UE, UE are measured accordingly according to measurement configuration information and/or measurement configuration information corresponding identification, specifically comprise:
After the measurement configuration information corresponding identification sent to UE, UE obtains corresponding measurement configuration information according to the measurement configuration information corresponding identification, and carries out the measurement of Reference Signal Received Power RSRP and/or Reference Signal Received Quality RSRQ according to the measurement configuration information that gets access to.
Alternatively, the measurement configuration information corresponding identification is sent to before the user equipment (UE), also comprises:
By system broadcast message or RRC message measurement configuration information and measurement configuration information corresponding identification are sent to UE;
Measurement configuration information and/or measurement configuration information corresponding identification are sent to UE, UE are measured accordingly according to measurement configuration information and/or measurement configuration information corresponding identification, specifically comprise:
After the measurement configuration information corresponding identification sent to UE, UE obtains corresponding measurement configuration information according to the measurement configuration information corresponding identification, and carries out the measurement of Reference Signal Received Power RSRP and/or Reference Signal Received Quality RSRQ according to the measurement configuration information that gets access to.
Further, when measurement configuration information comprises the measurement configuration information of this sub-district and/or adjacent sub-district,
Network equipment determines that UE measures before the measurement configuration information of adjacent sub-district of use, also comprises:
Obtain the measurement configuration information that use adjacent sub-district by X2 interface.
Further, also comprise PCI parameter and/or offset parameter in the measurement configuration information; Perhaps, measurement configuration information can also be carried out corresponding one by one with PCI parameter and/or offset parameter.
Further, measurement configuration information and/or measurement configuration information corresponding identification are sent to after the UE, also comprise:
Receive measurement configuration information and corresponding measurement result that UE reports;
Perhaps, receive measurement configuration information corresponding identification and the corresponding measurement result that UE reports.
Particularly, measurement configuration information is sent to after the UE, receives measurement configuration information corresponding identification and corresponding measurement result that UE reports, specifically comprise:
Receive UE and carry out the measurement of Reference Signal Received Power RSRP and/or Reference Signal Received Quality RSRQ, and obtain measurement configuration information corresponding identification and the corresponding measurement result that reports after the measurement configuration information corresponding identification according to measurement configuration information.
The method that present embodiment provides, by introducing measurement based on the RRM of CSI-RS, even the carrier frequency of Macro and RRH is all identical with PCI, UE is thought same sub-district, but Macro uses different CSI-RS configurations with RRH, then UE measures according to the configuration of CSI-RS and reports, thereby network equipment can obtain the channel quality between each network node and UE, thereby the leg gusset of decision UE is selected or the coordination of network side node sends.
The method that provides for more detailed elaboration present embodiment, below, in conjunction with foregoing, by the content of the following examples two to embodiment five, the method that present embodiment is provided specifically describes, and sees following embodiment two to embodiment five for details:
Embodiment two
Present embodiment provides a kind of method of measurement of RRM, content in conjunction with the foregoing description one, for convenience of explanation, present embodiment did not obtain or do not store in advance CSI-RS in advance with UE measurement configuration information is an example, and the method for measurement of the RRM that present embodiment is provided is illustrated.Referring to Fig. 3, the method flow that present embodiment provides is specific as follows:
301:eNB sets up new measuring object in measuring configuration, comprise measurement configuration information in this new measuring object;
At this step, measure and report based on the RRM of CSI-RS, be that UE can measure and reports the configuration of a plurality of CSI-RS, measurement configuration information can comprise one of following or combination: the antenna port of CSI-RS, resource distribution, sub-frame configuration, Physical Cell Identifier, power information, carrier identification and CSI-RS scrambling ID.Wherein, a carrier identification can corresponding a kind of carrier frequency.
Present embodiment does not limit concrete measurement configuration, during specific implementation, can adopt the measurement configuration of being adopted when measuring based on the RRM of CRS, and be that RRM based on CSI-RS measures and defines a new measuring object in measuring configuration, for example: MeasObjectEUTRA-CSI-RS IE, in this IE and the current mechanism based on the RRM measuring object of CRS (for example: MeasObjectEUTRA etc.) separate.The configuration of the measuring object that this is new can be as follows:
Further, the measuring object of redetermination in measuring configuration needs to comprise following information at least:
1, the carrier frequency of measuring object correspondence
2, measure bandwidth
3, frequency offset
4, the configuration information of CSI-RS
That is:
Wherein, carrierFreq is a carrier frequency, and allowedMeasBandwidth is for measuring bandwidth, and offsetFreq is a frequency offset, csi-rsConfigList is the measurement configuration information of CSI-RS, and CSI-RSConfig IE needs to comprise following one or more elements at least:
1, the antenna port configuration of CSI-RS transmission
2, the resource distribution of CSI-RS transmission
3, the sub-frame configuration of CSI-RS transmission
That is:
Figure BDA0000132895790000062
Alternatively, except the mode that adopts the new measuring object of above-mentioned foundation is notified the mode of UE measurement configuration information, can also increase the mode of the measurement configuration information of CSI-RS in the original measuring object in measuring configuration, at this kind mode, measuring object is as follows:
Figure BDA0000132895790000063
Figure BDA0000132895790000071
Wherein, the definition of CSI-RSConfig IE can repeat no more referring to foregoing herein.
The measurement configuration that 302:eNB will comprise new measuring object sends to UE;
At this step, present embodiment does not send the mode of measuring configuration to eNB and limits, the send mode that is adopted in can measuring with reference to existing RRM based on CRS.
303:UE receives and measures configuration, obtains measurement configuration information according to this measurement configuration, and measures accordingly according to measurement configuration information;
Wherein, present embodiment does not receive the mode of measuring configuration to UE and limits, the receive mode that is adopted in can measuring with reference to existing RRM based on CRS.In addition, because eNB has set up new measuring object in measuring configuration, and comprise measurement configuration information in this new measuring object, therefore, UE is after receiving the measurement configuration, can obtain measurement configuration information by resolving this measurement configuration, measure thereby carry out RRM according to the measurement configuration information that gets access to.Carry out the mode that RRM measures for UE according to the measurement configuration information that gets access to, present embodiment is not done concrete qualification equally.
So far, RRM based on CSI-RS measures the flow process end, can know channel quality between each network node and UE in order to make eNB, thereby the leg gusset of decision UE is selected or the coordination of network side node sends, UE is after carrying out the RRM measurement, the method that present embodiment provides can also comprise follow-up reporting measurement result's process, sees following steps 304 for details.
304:UE is to eNB reporting measurement configuration information and corresponding measurement result.
At this step, UE is to the eNB reporting measurement as a result the time, and for the measurement result that the clear and definite UE of eNB is reported is corresponding which kind of measurement configuration information, then UE as a result the time, also needs the reporting measurement measurement configuration information of correspondence as a result at reporting measurement.
In addition, in order to reduce the resource that the UE reporting measurement takies as a result the time, as preferred version, the method that present embodiment provides also supports to substitute with the measurement configuration information corresponding identification mode of reporting measurement configuration information, and promptly UE is to eNB reporting measurement configuration information corresponding identification and corresponding measurement result.Report mode at this kind, because eNB has only issued measurement configuration information to UE, and the measurement configuration information corresponding identification, be configuration or the transmission that CSI-RS ID does not need eNB, this moment, CSI-RS ID can be a rule generation of eNB and UE agreement, after then UE measured accordingly according to the measurement configuration information of eNB transmission, UE obtained CSI-RS ID according to this measurement configuration information, reports CSI-RS ID and corresponding measurement result to eNB more afterwards.For example, CSI-RS ID is the index of all CSI-RS configuration of issuing of eNB, perhaps, the order of the CSI-RS configuration that to be UE issue according to eNB, they are identified-be assignment ID (, being numbered from 0~31) according to ID such as having 32, UE gives the correct time last then, if agreement reports 8, in 8 of reporting, carry its CSI-RS ID.
Report in order to make UE substitute measurement configuration information with CSI-RS ID, make an appointment the CSI-RS ID by eNB and UE except adopting aforesaid way, the method that present embodiment provides is also supported other modes, for example, eNB is before sending measurement configuration information to UE, can also send measurement configuration information and measurement configuration information corresponding identification by system broadcast message or RRC message to UE earlier, after then UE measures according to the measurement configuration information of eNB transmission, from system broadcast message or RRC message, obtain the measurement configuration information corresponding identification, afterwards reporting measurement configuration information corresponding identification and corresponding measurement result again.
No matter UE adopts above-mentioned which kind of mode to obtain the measurement configuration information corresponding identification, when the measurement result of reporting measurement configuration information corresponding identification and correspondence, all can carry out reporting of CSI-RS measurement result.And if UE need report the measurement result based on CSI-RS, can measure redetermination MeasResultList-CSI-RS IE in the reporting message existing.
Figure BDA0000132895790000081
Wherein, MeasResultList-CSI-RS IE is used to report all CSI-RS measurement results of using on the measId respective frequencies, is defined as follows:
Figure BDA0000132895790000091
Alternatively, except adopting the above-mentioned mode that reports that on the basis of existing measurement reporting message, increases the CSI-RS measurement result, the method that can also define new measurement reporting message reports the CSI-RS measurement result, and at this kind mode, the measurement reporting message of redetermination is as follows:
Figure BDA0000132895790000092
Wherein, the definition of MeasResultList-CSI-RS IE is the same, and is no longer burdensome here.As can be seen from the above, the corresponding different measId of different frequency.That is to say that all the CSI-RS measurement results on the different frequency can report by different MeasResults or different MeasurementReport-CSI-RS message, CSI-RS measurement result that reports and Cell are irrelevant, and be only corresponding with frequency.In like manner, the CSI-RS measurement result that reports also can be relevant with Cell, and is no longer burdensome here.
The RRM that has more than discussed under the separate situation of the measurement configuration information of CSI-RS and Cell (sub-district) measures flow process, situation about being associated with Cell at the measurement configuration information of CSI-RS, the measurement configuration information of CSI-RS need with PCI (Physical Cell Identifier, Physical Cell Identifier) binds, for example: in above-mentioned CSI-RSConfig IE definition, increase the PCI parameter, as follows:
That is:
Figure BDA0000132895790000094
Figure BDA0000132895790000101
In addition, during existing RRM based on CRS measured, network side can be given the different offset parameter of different measuring cell configuration, so that UE can preferentially switch in these designated cell.The method that present embodiment provides is after introducing CSI-RS, identical at frequency, PCI is identical/and different nodes, also can carry out the preferential selection of CSI-RS configuration or port (port) or node according to the configuration of CSI-RS, for example: by the setting of IndividualOffset.
During specific implementation, network side is provided with different offset parameters need for different nodes, that is to say, in measuring configuration, IndividualOffset parameter and CSI-RS ID parameter can be bound, for example: increase the IndividualOffset parameter in the CSI-RSConfig IE definition, as follows:
That is:
Figure BDA0000132895790000102
In addition, the involved RRM measurement of present embodiment and subsequent embodiment includes but is not limited to RSRQ (Reference Signal Received Quality, Reference Signal Received Quality) measurement and/or RSRP (Reference Signal Received Power, Reference Signal Received Power) measure.The measurement configuration information that present embodiment and subsequent embodiment are involved, the CSI-RS configuration information that in comprising this sub-district, uses in this measurement configuration information, can also comprise the CSI-RS configuration information that uses in the adjacent sub-district, therefore, network equipment need obtain the measurement configuration information of adjacent sub-district by X2 interface when determining measurement configuration information.During specific implementation, can on X2 interface, obtain the CSI-RS configuration information that uses in the adjacent sub-district by ENB CONFIGURATION UPDATE message, that is to say, need be in ENB CONFIGURATION UPDATE message redetermination IE, be used to transmit the configuration information of CSI-RS, wherein can also comprise the CSI-RS configuration information of zero energy transmission.As follows:
Figure BDA0000132895790000104
Figure BDA0000132895790000111
Figure BDA0000132895790000121
Wherein, maxnoofCSI-RS IE is defined as follows:
Figure BDA0000132895790000122
The method that present embodiment provides, by introducing measurement based on the RRM of CSI-RS, even the carrier frequency of Macro and RRH is all identical with PCI, UE is thought same sub-district, but Macro uses different CSI-RS configurations with RRH, then UE measures according to the configuration of CSI-RS and reports, thereby network equipment can obtain the channel quality between each network node and UE, thereby the leg gusset of decision UE is selected or the coordination of network side node sends.
Embodiment three
Present embodiment provides a kind of method of measurement of RRM, content in conjunction with the foregoing description one, for convenience of explanation, present embodiment does not all obtain or does not store in advance measurement configuration information in advance with UE, eNB is an example by to UE transmitting system broadcast measurement configuration information and measurement configuration information corresponding identification being notified to UE, and the method for measurement of the RRM that present embodiment is provided is illustrated.Referring to Fig. 4, the method flow that present embodiment provides is specific as follows:
401:eNB sends to UE by system broadcast message with measurement configuration information and measurement configuration information corresponding identification;
At this step, measure and report based on the RRM of CSI-RS, be that UE can measure and reports the configuration of a plurality of CSI-RS, measurement configuration information can comprise one of following or combination: the antenna port of CSI-RS, resource distribution, sub-frame configuration, Physical Cell Identifier, power information, carrier identification and CSI-RS scrambling ID.Wherein, carrier identification can corresponding a kind of carrier frequency, in order to make UE at reporting measurement as a result the time, need not reporting measurement configuration information again, thereby saving resource, the method that present embodiment provides has been taked the element of CSI-RS measurement configuration information is made up the configuration index that obtains CSI-RS with a definite sequence, i.e. the mode of measurement configuration information corresponding identification CSI-RS ID.Each CSI-RS ID correspondence the measurement configuration information of a kind of CSI-RS, promptly corresponding a kind of combination of CSI-RS configuration element.
When definite CSI-RS ID, a kind of optimal way is that the measurement configuration information of CSI-RS only comprises antenna port number (AP), resource distribution (RC) and three elements of sub-frame configuration (SC).At these three kinds of elements following several situation can be arranged:
Case 1: antenna port is counted AP, resource distribution RC, sub-frame configuration SC;
Case 2: fixing AP, and the configuration of different CSI-RS is that RC is different with SC;
Case 3: fixing SC, and the configuration of different CSI-RS is that AP is different with RC;
Case 4: fixedly AP and SC, the configuration of different CSI-RS is the RC difference.
At every kind of situation, can define the maximum maxCSI-RS of CSI-RS ID.Below with case 4, and FDD is that example describes.Antenna port is counted AP and is fixed, for example: and 2 antenna ports, measure period of sub-frame SC and fix (for example: 10ms), under normal CP (Cyclic Prefix) scene, the value of maxCSI-RS is 32*10=320, shown in following table 1:
Table 1
CSI-RS ConfigList(1~maxCSI-RS) CSI-RS subframe offset FDD resourceConfig
1~32 0 0~31
33~64 1 0~31
...... ...... 0~31
289~320 9 0~31
In the measurement configuration information corresponding identification of determining each measurement configuration information correspondence, be after the CSI-RS ID, eNB in the Serving cell can pass through system broadcast message, the UE of the CSI-RS measurement configuration information announcement that the CSI-RS configuration information that uses in this sub-district and/or the adjacent sub-district is used, for example: by (the System Information Block of the 2nd SIB in the system broadcast message, system information block) message, i.e. SIB2 message.
Promptly
Figure BDA0000132895790000131
Figure BDA0000132895790000132
Wherein, CSI-RSConfig IE need comprise following one or more elements:
1, CSI-RS configuration index
2, the antenna port configuration of CSI-RS transmission
3, the resource distribution of CSI-RS transmission
4, the sub-frame configuration of CSI-RS transmission
That is:
Figure BDA0000132895790000141
Csi-rsId is the CSI-RS configuration index, i.e. the measurement configuration information corresponding identification.
402:UE receiving system broadcast, and obtain measurement configuration information and measurement configuration information corresponding identification according to this system broadcast message;
At this step, present embodiment does not limit the mode of UE receiving system broadcast, owing to comprise measurement configuration information and measurement configuration information corresponding identification in this system broadcast message, after then UE receives system broadcast message, can obtain measurement configuration information and measurement configuration information corresponding identification according to this system broadcast message.
Increase the measurement configuration information corresponding identification in original measuring object of 403:eNB in measuring configuration, and should measure to dispose and send to UE;
At this step,, therefore, when eNB carries out CSI-RS RRM measurement configuration to UE, only need specified measurement configuration information corresponding identification to get final product because UE is known measurement configuration information by system broadcast message.UE obtains corresponding measurement configuration information according to this measurement configuration information corresponding identification, measures thereby carry out corresponding C SI-RS.To UE sending measuring configuration information corresponding identification the time, present embodiment has taked to increase the measurement configuration information corresponding identification in original measuring object of measuring configuration, and will measure the mode that configuration sends to UE, then original measuring object is after increasing the measurement configuration information corresponding identification, and is as follows:
Figure BDA0000132895790000151
Wherein, csi-rsIdList IE is the corresponding measurement configuration information corresponding identification of CSI-RS configuration, adopts the bitmap form to represent.If that is: certain bit is changed to 0, illustrate that then network side requirement UE measures CSI-RS configuration the carrying out RRM of this index value correspondence; Otherwise, illustrate that UE does not need CSI-RS configuration the carrying out RRM of this index value correspondence is measured.
Alternatively, except passing through to increase the measurement configuration information corresponding identification in the original measuring object in measuring configuration, so that it is notified to outside the UE, the method that present embodiment provides also is supported in to measure in the configuration sets up new measuring object, comprises the measurement configuration information corresponding identification in this new measuring object.With existing the same based on the RRM metering system of CRS, the corresponding carrier frequency of measuring object.After introducing the CSI-RS measurement, may have the measurement configuration information of a plurality of CSI-RS on this carrier frequency, different CSI-RS measurement configuration information is corresponding with a configuration index value.Description according to above-mentioned steps 401, because eNB sends to UE by system broadcast message with measurement configuration information and measurement configuration information corresponding identification, then eNB only needs to notify this CSI-RS ID parameter of UE to get final product, and then new measuring object needs to comprise following information at least:
1, the carrier frequency of measuring object correspondence
2, measure bandwidth
3, frequency offset
4, the configuration index of CSI-RS tabulation
That is:
Measurement configuration information corresponding identification during 404:UE disposes according to measurement is obtained the measurement configuration information in the system broadcast message, and measures accordingly according to the measurement configuration information that gets access to;
Particularly, owing to measure in the original measuring object that disposes and increased the measurement configuration information corresponding identification, then UE can obtain the measurement configuration information corresponding identification according to this measurement configuration, again owing to increased measurement configuration information and measurement configuration information corresponding identification in the system broadcast message, therefore, UE can get access to corresponding measurement configuration information according to the measurement configuration information corresponding identification of measuring in the configuration, measures thereby carry out RRM according to the measurement configuration information that gets access to.Carry out the mode that RRM measures about UE, present embodiment is not done concrete qualification.
405:UE is to eNB reporting measurement configuration information corresponding identification and corresponding measurement result.
At this step, because the corresponding relation of UE and all clear and definite measurement configuration information of eNB and measurement configuration information sign, for the measurement result that the clear and definite UE of eNB is reported is according to which kind of measurement configuration information to measure, therefore, UE as a result the time, also needs the reporting measurement measurement configuration information corresponding identification of correspondence as a result to the eNB reporting measurement.Present embodiment does not limit to the mode of the measurement result of eNB reporting measurement configuration information corresponding identification and RRM measurement UE, in the practical application, can on the basis of existing measurement reporting message, increase reporting to the CSI-RS measurement result, perhaps, measurement reporting message MeasResults-CSI-RS of redetermination based on CSI-RS, concrete scheme can be described referring to the correspondence of implementing in two, and is no longer burdensome here.
The RRM that has more than discussed under the separate situation of the measurement configuration information of CSI-RS and Cell (sub-district) measures flow process, situation about being associated with Cell at the measurement configuration information of CSI-RS, need be with measurement configuration information and PCI (the Physical Cell Identifier of CSI-RS, Physical Cell Identifier) binds, concrete binding mode sees the description of step 304 in the foregoing description two for details, repeats no more herein.
In addition, during existing RRM based on CRS measured, network side can be given the different offset parameter of different measuring cell configuration, so that UE can preferentially switch in these designated cell.The method that present embodiment provides is after introducing CSI-RS, identical at frequency, PCI is identical/different nodes, also can carry out CSI-RS configuration or port (port) or node according to the configuration of CSI-RS preferentially selects, specifically can repeat no more referring to the description of step 304 in the foregoing description two herein.
The method that present embodiment provides, by introducing measurement based on the RRM of CSI-RS, even the carrier frequency of Macro and RRH is all identical with PCI, UE is thought same sub-district, but Macro uses different CSI-RS configurations with RRH, then UE measures according to the configuration of CSI-RS and reports, thereby network equipment can obtain the channel quality between each network node and UE, thereby the leg gusset of decision UE is selected or the coordination of network side node sends.
Embodiment four
Present embodiment provides a kind of method of measurement of RRM, content in conjunction with the foregoing description one, for convenience of explanation, present embodiment does not obtain or stores in advance measurement configuration information in advance with UE, measurement configuration information and measurement configuration information corresponding identification are notified to UE is example to eNB by send RRC message to UE, and the method for measurement of the RRM that present embodiment is provided is illustrated.Referring to Fig. 5, the method flow that present embodiment provides is specific as follows:
501:eNB sends to UE by RRC message with measurement configuration information and measurement configuration information corresponding identification;
At this step, measure and report based on the RRM of CSI-RS, be that UE can measure and reports the configuration of a plurality of CSI-RS, measurement configuration information can comprise one of following or combination: the antenna port of CSI-RS, resource distribution, sub-frame configuration, Physical Cell Identifier, power information, carrier identification and CSI-RS scrambling ID.Wherein, carrier identification can corresponding a kind of carrier frequency, in order to make UE at reporting measurement as a result the time, need not reporting measurement configuration information again, thereby save resource, the method that present embodiment provides, taked the element of CSI-RS measurement configuration information is made up the configuration index that obtains CSI-RS with a definite sequence, be the mode of measurement configuration information corresponding identification CSI-RS ID, specifically see the description of three kinds of steps 401 of the foregoing description for details, repeat no more herein.
Determining the measurement configuration information corresponding identification of each measurement configuration information correspondence, promptly after the CSI-RS ID, the eNB in the Serving cell can pass through RRC message, with the UE of the CSI-RS configuration information announcement that uses in this sub-district and/or the adjacent sub-district.For example: RRCConnectionReconfiguration message etc.
Figure BDA0000132895790000171
Wherein, the RRCConnectionReconfiguration-v10x0-IEs of redetermination mainly comprises the measurement configuration information of CSI-RS, this measurement configuration information can be the CSI-RS configuration information that uses in this sub-district, and/or the CSI-RS configuration information that uses in the adjacent sub-district, is defined as follows:
Wherein, the definition of CSI-RSConfig IE can repeat no more referring to the description in the foregoing description three herein.
502:UE receives RRC message, and obtains measurement configuration information and measurement configuration information corresponding identification according to this RRC message;
At this step, present embodiment does not limit the mode of UE reception RRC message, owing to comprise measurement configuration information and measurement configuration information corresponding identification in this RRC message, after then UE receives RRC message, can obtain measurement configuration information and measurement configuration information corresponding identification according to this RRC message.
Increase the measurement configuration information corresponding identification in original measuring object of 503:eNB in measuring configuration, and should measure to dispose and send to UE;
The implementation of this step can repeat no more referring to step 403 in the foregoing description three herein.
Measurement configuration information corresponding identification during 504:UE disposes according to measurement is obtained the measurement configuration information in the RRC message, and measures accordingly according to the measurement configuration information that gets access to;
Particularly, owing to measure in the original measuring object that disposes and increased the measurement configuration information corresponding identification, then UE can obtain the measurement configuration information corresponding identification according to this measurement configuration, again owing to increased measurement configuration information and measurement configuration information corresponding identification in the RRC message, therefore, UE can get access to corresponding measurement configuration information according to the measurement configuration information corresponding identification of measuring in the configuration, measures thereby carry out RRM according to the measurement configuration information that gets access to.Carry out the mode that RRM measures about UE, present embodiment is not done concrete qualification.
505:UE is to eNB reporting measurement configuration information corresponding identification and corresponding measurement result.
The implementation of this step can repeat no more referring to step 405 in the foregoing description three herein.
The method that present embodiment provides, by introducing measurement based on the RRM of CSI-RS, even the carrier frequency of Macro and RRH is all identical with PCI, UE is thought same sub-district, but Macro uses different CSI-RS configurations with RRH, then UE measures according to the configuration of CSI-RS and reports, thereby network equipment can obtain the channel quality between each network node and UE, thereby the leg gusset of decision UE is selected or the coordination of network side node sends.
Embodiment five
Present embodiment provides a kind of method of measurement of RRM, content in conjunction with the foregoing description one, for convenience of explanation, present embodiment has all been stored measurement configuration information with network equipment eNB and UE, eNB is an example by sending the measurement configuration information corresponding identification to UE, and the method for measurement of the RRM that present embodiment is provided is illustrated.Referring to Fig. 6, the method flow that present embodiment provides is specific as follows:
601:eNB and UE store measurement configuration information and measurement configuration information corresponding identification separately in advance;
Measure and report based on the RRM of CSI-RS, be that UE can measure and reports the configuration of a plurality of CSI-RS, measurement configuration information can comprise one of following or combination: the antenna port of CSI-RS, resource distribution, sub-frame configuration, Physical Cell Identifier, power information, carrier identification and CSI-RS scrambling ID.Wherein, a carrier identification can corresponding a kind of carrier frequency.
Present embodiment does not limit the mode that eNB and UE store measurement configuration information and measurement configuration information corresponding identification separately in advance, for example, can measurement configuration information and measurement configuration information corresponding identification be stored on eNB and the UE by the mode of human configuration.
602:eNB sets up new measuring object in measuring configuration, comprise the measurement configuration information corresponding identification in this new measuring object;
Particularly, present embodiment does not limit concrete measurement configuration, during specific implementation, can adopt the measurement configuration of being adopted when measuring based on the RRM of CRS, and be that RRM based on CSI-RS measures and defines a new measuring object in measuring configuration, comprise the measurement configuration information corresponding identification in this new measuring object.For example: MeasObjectEUTRA-CSI-RS IE, in this IE and the current mechanism based on the RRM measuring object of CRS (for example: MeasObjectEUTRA etc.) separate.The configuration of the measuring object that this is new can be as follows:
With existing the same based on the metering system of CRS, in the method that present embodiment provides, the corresponding carrier frequency of measuring object.After introducing the CSI-RS measurement, may have the measurement configuration information of a plurality of CSI-RS on this carrier frequency, different CSI-RS measurement configuration information is corresponding with a configuration index value.Description by above-mentioned steps 601, CSI-RS ID and corresponding CSI-RS measurement configuration information thereof are stored in eNB and UE place in advance, then eNB only need notify this CSI-RS ID parameter of UE to get final product, and the new measuring object of setting up in measuring configuration then needs to comprise following information at least:
1, the carrier frequency of measuring object correspondence
2, measure bandwidth
3, frequency offset
4, the configuration index of CSI-RS tabulation
That is:
Figure BDA0000132895790000192
Figure BDA0000132895790000201
Alternatively, except the mode that adopts the new measuring object of above-mentioned foundation is notified the mode of UE measurement configuration information corresponding identification, can also in the original measuring object in measuring configuration, increase the measurement configuration information corresponding identification, at this kind mode, because CSI-RS ID and corresponding CSI-RS measurement configuration information thereof have been stored in eNB and UE place in advance, the measuring object that has then increased the measurement configuration information corresponding identification is as follows:
Figure BDA0000132895790000202
The measurement configuration that 603:eNB will establish new measuring object sends to UE;
At this step, present embodiment does not send the mode of measuring configuration to eNB and limits.
604:UE obtains the measurement configuration information of having stored according to the measurement configuration information corresponding identification in this measurement configuration, and measures accordingly according to the measurement configuration information that gets access to;
Particularly, owing to measure in the configuration and establish new measuring object, and comprise the measurement configuration information corresponding identification in this new measuring object, then UE can obtain the measurement configuration information corresponding identification according to this measurement configuration, again because UE has stored measurement configuration information and measurement configuration information corresponding identification in advance, therefore, UE can get access to the measurement configuration information of having stored according to the measurement configuration information corresponding identification of measuring in the configuration, measures thereby carry out RRM according to the measurement configuration information that gets access to.Carry out the mode that RRM measures about UE, present embodiment is not done concrete qualification.
605:UE is to eNB reporting measurement configuration information corresponding identification and corresponding measurement result.
The implementation of this step can repeat no more referring to step 405 in the foregoing description three herein.
The method that present embodiment provides, by introducing measurement based on the RRM of CSI-RS, even the carrier frequency of Macro and RRH is all identical with PCI, UE is thought same sub-district, but Macro uses different CSI-RS configurations with RRH, then UE measures according to the configuration of CSI-RS and reports, thereby network equipment can obtain the channel quality between each network node and UE, thereby the leg gusset of decision UE is selected or the coordination of network side node sends.
Embodiment six
Present embodiment provides a kind of network equipment, and this network equipment is used for carrying out the method that the foregoing description one to embodiment five network equipment is carried out, and referring to Fig. 7, this equipment comprises:
Determination module 701, be used for determining that UE measures the measurement configuration information of use, measurement configuration information comprises one of following or combination: the antenna port of CSI-RS, resource distribution, sub-frame configuration, Physical Cell Identifier, power information, carrier identification and CSI-RS scrambling ID;
First sending module 702 is used for measurement configuration information and/or measurement configuration information corresponding identification that determination module 701 is determined are sent to UE, and UE is measured accordingly according to measurement configuration information and/or measurement configuration information corresponding identification.
Referring to Fig. 8, first sending module 702 specifically comprises:
Set up unit 702a, be used for setting up new measuring object, comprise measurement configuration information and/or measurement configuration information corresponding identification in the new measuring object in the measurement configuration;
The first transmitting element 702b, the measurement configuration that is used for setting up after unit 702a handles sends to UE.
Alternatively, referring to Fig. 9, first sending module 702 specifically comprises:
Increase unit 702c, be used in original measuring object of measuring configuration, increasing measurement configuration information and/or measurement configuration information corresponding identification;
The second transmitting element 702d, the measurement configuration that is used for increasing after unit 702c handles sends to UE.
Further, referring to Figure 10, this equipment also comprises:
Memory module 703 is used to store measurement configuration information and measurement configuration information corresponding identification;
Correspondingly, first sending module 702, after specifically being used for the measurement configuration information corresponding identification sent to UE, UE obtains corresponding measurement configuration information according to the measurement configuration information corresponding identification, and carries out the measurement of RSRP and/or RSRQ according to the measurement configuration information that gets access to.
Further, referring to Figure 11, this equipment also comprises:
Second sending module 704 is used for by system broadcast message or RRC message measurement configuration information and measurement configuration information corresponding identification being sent to UE;
Correspondingly, first sending module 702, after specifically being used for the measurement configuration information corresponding identification sent to UE, UE obtains measurement configuration information in system broadcast message or the RRC message according to the measurement configuration information corresponding identification, and carries out the measurement of RSRP and/or RSRQ according to the measurement configuration information that gets access to.
Wherein, when determination module 701 definite measurement configuration information comprise the measurement configuration information of this sub-district and/or adjacent sub-district,
Further, referring to Figure 12, this equipment also comprises:
Acquisition module 705 is used for obtaining the measurement configuration information that use adjacent sub-district by X2 interface.
Further, also comprise PCI parameter and/or offset parameter in the measurement configuration information that determination module 701 is determined; Perhaps, determination module 701 definite measurement configuration information are carried out corresponding with PCI parameter and/or offset parameter.
Further, referring to Figure 13, this equipment also comprises:
Receiver module 706 is used to receive measurement configuration information and the corresponding measurement result that UE reports, and perhaps, receives measurement configuration information corresponding identification and corresponding measurement result that UE reports.
Particularly, receiver module 706, specifically be used for after first sending module 702 sends to UE with measurement configuration information, receive UE and carry out the measurement of RSRP and/or RSRQ according to measurement configuration information, and after obtaining the measurement configuration information corresponding identification, measurement configuration information corresponding identification that reports and corresponding measurement result.
The network equipment that present embodiment provides, by introducing measurement based on the RRM of CSI-RS, even the carrier frequency of Macro and RRH is all identical with PCI, UE is thought same sub-district, but Macro uses different CSI-RS configurations with RRH, then UE measures according to the configuration of CSI-RS and reports, thereby network equipment can obtain the channel quality between each network node and UE, thereby the leg gusset of decision UE is selected or the coordination of network side node sends.
Embodiment seven
Present embodiment provides a kind of subscriber equipment, and this subscriber equipment is used for carrying out the foregoing description one to embodiment five performed method of subscriber equipment, and referring to Figure 14, this equipment comprises:
First receiver module 1401, be used to receive measurement configuration information and/or measurement configuration information corresponding identification that measurement that network equipment sends is used, measurement configuration information comprises one of following or combination: the antenna port of CSI-RS, resource distribution, sub-frame configuration, Physical Cell Identifier, power information, carrier identification and CSI-RS scrambling ID;
Measurement module 1402, the measurement configuration information and/or the measurement configuration information corresponding identification that are used for receiving according to first receiver module 1401 are measured accordingly.
Wherein, first receiver module 1401 specifically is used to receive the measurement configuration that network equipment sends, and measures in the configuration and establishes new measuring object, comprises measurement configuration information and/or measurement configuration information corresponding identification in the new measuring object.
Alternatively, first receiver module 1401 specifically is used to receive the measurement configuration that network equipment sends, and measures in the original measuring object in the configuration to comprise measurement configuration information and/or measurement configuration information corresponding identification.
Further, referring to Figure 15, this equipment also comprises:
Memory module 1403 is used to store measurement configuration information and measurement configuration information corresponding identification;
Correspondingly, first receiver module 1401 specifically is used to receive the measurement configuration information corresponding identification that network equipment sends;
Measurement module 1402 specifically is used for obtaining according to the measurement configuration information corresponding identification that first receiver module 1401 receives the measurement configuration information of memory module 1403 storages, and carries out the measurement of RSRP and/or RSRQ according to the measurement configuration information that gets access to.
Further, referring to Figure 16, this equipment also comprises:
Second receiver module 1404 is used to receive measurement configuration information and the measurement configuration information corresponding identification that network equipment sends by system broadcast message or RRC message;
First receiver module 1401 specifically is used to receive the measurement configuration information corresponding identification that network equipment sends;
Measurement module 1402, specifically be used for obtaining the measurement configuration information that second receiver module 1404 receives, and carry out the measurement of RSRP and/or RSRQ according to the measurement configuration information that gets access to according to the measurement configuration information corresponding identification that first receiver module 1401 receives.
Further, also comprise PCI parameter and/or offset parameter in the measurement configuration information that first receiver module 1401 receives; Perhaps, the measurement configuration information that receives of first receiver module 1401 is carried out corresponding with PCI parameter and/or offset parameter.
Further, referring to Figure 17, this equipment also comprises:
Reporting module 1405 is used for to network equipment reporting measurement configuration information and corresponding measurement result, perhaps, and to network equipment reporting measurement configuration information corresponding identification and corresponding measurement result.
Receive the measurement configuration information that network equipment sends at first receiver module 1401, after measurement module 1402 carries out the measurement of RSRP and/or RSRQ according to measurement configuration information, reporting module 1405, specifically be used to obtain the measurement configuration information corresponding identification, and to the sign of network equipment reporting measurement configuration information and the measurement result of correspondence.
The subscriber equipment that present embodiment provides, by introducing measurement based on the RRM of CSI-RS, even the carrier frequency of Macro and RRH is all identical with PCI, UE is thought same sub-district, but Macro uses different CSI-RS configurations with RRH, then UE measures according to the configuration of CSI-RS and reports, thereby network equipment can obtain the channel quality between each network node and UE, thereby the leg gusset of decision UE is selected or the coordination of network side node sends.
Embodiment eight
Present embodiment provides a kind of method of measurement of RRM, and this method specifically comprises:
Receive the measurement configuration information and/or the measurement configuration information corresponding identification of the measurement use of network equipment transmission, measurement configuration information comprises one of following or combination: the antenna port of channel state information reference signals CSI-RS, resource distribution, sub-frame configuration, Physical Cell Identifier, power information, carrier identification and CSI-RS scrambling sign;
Measure accordingly according to measurement configuration information that receives and/or measurement configuration information corresponding identification.
Wherein, receive the measurement configuration information and/or the measurement configuration information corresponding identification of the measurement use of network equipment transmission, specifically comprise:
Receive the measurement configuration that network equipment sends, measure in the configuration and establish new measuring object, comprise measurement configuration information and/or measurement configuration information corresponding identification in the new measuring object.
Alternatively, receive the measurement configuration information and/or the measurement configuration information corresponding identification of the measurement use of network equipment transmission, specifically comprise:
Receive the measurement configuration that network equipment sends, comprise measurement configuration information and/or measurement configuration information corresponding identification in the original measuring object in the measurement configuration.
Further, method also comprises:
Storage measurement configuration information and measurement configuration information corresponding identification;
Receive the measurement configuration information and/or the measurement configuration information corresponding identification of the measurement use of network equipment transmission, specifically comprise:
Receive the measurement configuration information corresponding identification that network equipment sends;
Measure accordingly according to measurement configuration information that receives and/or measurement configuration information corresponding identification, specifically comprise:
Obtain the measurement configuration information of the correspondence of storage according to the measurement configuration information corresponding identification that receives, and carry out the measurement of Reference Signal Received Power RSRP and/or Reference Signal Received Quality RSRQ according to the measurement configuration information that gets access to.
Further, method also comprises:
Receive measurement configuration information and measurement configuration information corresponding identification that network equipment sends by system broadcast message or radio resource control RRC message;
Receive the measurement configuration information and/or the measurement configuration information corresponding identification of the measurement use of network equipment transmission, specifically comprise:
Receive the measurement configuration information corresponding identification that network equipment sends;
Measure accordingly according to measurement configuration information that receives and/or measurement configuration information corresponding identification, specifically comprise:
Obtain corresponding measurement configuration information according to the measurement configuration information corresponding identification that receives, and carry out the measurement of Reference Signal Received Power RSRP and/or Reference Signal Received Quality RSRQ according to the measurement configuration information that gets access to.
Wherein, further, also comprise Physical Cell Identifier PCI parameter and/or offset parameter in the measurement configuration information; Perhaps,
Measurement configuration information is carried out corresponding with PCI parameter and/or offset parameter.
Further, method also comprises:
To network equipment reporting measurement configuration information and corresponding measurement result, perhaps, to network equipment reporting measurement configuration information corresponding identification and corresponding measurement result.
Wherein, to network equipment reporting measurement configuration information corresponding identification and corresponding measurement result, specifically comprise:
Carry out the measurement of Reference Signal Received Power RSRP and/or Reference Signal Received Quality RSRQ according to measurement configuration information, and after obtaining the measurement configuration information corresponding identification, reporting measurement configuration information corresponding identification and corresponding measurement result.
The method that present embodiment provides, by introducing measurement based on the RRM of CSI-RS, even the carrier frequency of Macro and RRH is all identical with PCI, UE is thought same sub-district, but Macro uses different CSI-RS configurations with RRH, then UE measures according to the configuration of CSI-RS and reports, thereby network equipment can obtain the channel quality between each network node and UE, thereby the leg gusset of decision UE is selected or the coordination of network side node sends.
Embodiment nine
Present embodiment provides a kind of measuring system of RRM, and this system is used to carry out the foregoing description one to embodiment five, and the method that provides of embodiment eight, and referring to Figure 18, this system comprises: network equipment 1801 and subscriber equipment 1802;
Wherein, the network equipment that network equipment 1801 as above-mentioned embodiment six provide, the subscriber equipment that subscriber equipment 1802 as above-mentioned embodiment seven provide sees the foregoing description six and embodiment seven for details, repeats no more herein.
Network equipment 1801 is specifically as follows eNB, or other network equipments, and present embodiment is not done concrete qualification to this.
The system that present embodiment provides, by introducing measurement based on the RRM of CSI-RS, even the carrier frequency of Macro and RRH is all identical with PCI, UE is thought same sub-district, but Macro uses different CSI-RS configurations with RRH, then UE measures according to the configuration of CSI-RS and reports, thereby network equipment can obtain the channel quality between each network node and UE, thereby the leg gusset of decision UE is selected or the coordination of network side node sends.
Need to prove: measure and be corresponding to two measuring object MeasObjectEUTRA IE independently based on the RRM measurement of CRS based on the RRM of CSI-RS, therefore, it can be only to measure or only measure based on CSI-RS based on CRS that the RRM of UE measures, can be that both exist simultaneously, above-mentioned each present embodiment not all be done concrete qualification to this yet.In addition, the network equipment that the foregoing description provides, subscriber equipment are when carrying out the measurement of RRM, only the division with above-mentioned each functional module is illustrated, in the practical application, can as required the above-mentioned functions distribution be finished by different functional modules, the internal structure of the equipment of being about to is divided into different functional modules, to finish all or part of function described above.In addition, the measuring system of the network equipment that the foregoing description provides, subscriber equipment, RRM and the method for measurement embodiment of RRM belong to same design, and its specific implementation process sees method embodiment for details, repeats no more here.
The all or part of step that one of ordinary skill in the art will appreciate that realization the foregoing description can be finished by hardware, also can instruct relevant hardware to finish by program, described program can be stored in a kind of computer-readable recording medium, the above-mentioned storage medium of mentioning can be a read-only memory, disk or CD etc.
The above only is preferred embodiment of the present invention, and is in order to restriction the present invention, within the spirit and principles in the present invention not all, any modification of being done, is equal to replacement, improvement etc., all should be included within protection scope of the present invention.

Claims (35)

1. the method for measurement of a RRM is characterized in that, comprising:
Network equipment determines that user equipment (UE) measures the measurement configuration information of use, described measurement configuration information comprises one of following or combination: the antenna port of channel state information reference signals CSI-RS, resource distribution, sub-frame configuration, Physical Cell Identifier, power information, carrier identification and CSI-RS scrambling sign;
Described measurement configuration information and/or described measurement configuration information corresponding identification are sent to described UE, described UE is measured accordingly according to described measurement configuration information and/or described measurement configuration information corresponding identification.
2. method according to claim 1 is characterized in that, described described measurement configuration information and/or described measurement configuration information corresponding identification is sent to described UE, specifically comprises:
In measuring configuration, set up new measuring object, comprise described measurement configuration information and/or described measurement configuration information corresponding identification in the described new measuring object, and described measurement configuration is sent to described UE.
3. method according to claim 1 is characterized in that, described described measurement configuration information and/or described measurement configuration information corresponding identification is sent to described UE, specifically comprises:
Increase described measurement configuration information and/or described measurement configuration information corresponding identification in original measuring object in measuring configuration, and described measurement configuration is sent to described UE.
4. according to claim 2 or 3 described methods, it is characterized in that, described described measurement configuration information corresponding identification sent to before the described UE, also comprise:
Described network equipment and described UE store described measurement configuration information and described measurement configuration information corresponding identification separately;
Described described measurement configuration information and/or described measurement configuration information corresponding identification are sent to described UE, described UE are measured accordingly according to described measurement configuration information and/or described measurement configuration information corresponding identification, specifically comprise:
After described measurement configuration information corresponding identification sent to described UE, described UE obtains corresponding measurement configuration information according to described measurement configuration information corresponding identification, and carries out the measurement of Reference Signal Received Power RSRP and/or Reference Signal Received Quality RSRQ according to the measurement configuration information that gets access to.
5. according to claim 2 or 3 described methods, it is characterized in that, described described measurement configuration information corresponding identification sent to before the described UE, also comprise:
By system broadcast message or radio resource control RRC message described measurement configuration information and described measurement configuration information corresponding identification are sent to described UE;
Described described measurement configuration information and/or described measurement configuration information corresponding identification are sent to described UE, described UE are measured accordingly according to described measurement configuration information and/or described measurement configuration information corresponding identification, specifically comprise:
After described measurement configuration information corresponding identification sent to described UE, described UE obtains corresponding measurement configuration information measurement configuration information according to described measurement configuration information corresponding identification, and carries out the measurement of Reference Signal Received Power RSRP and/or Reference Signal Received Quality RSRQ according to the measurement configuration information that gets access to.
6. method according to claim 1 is characterized in that, when described measurement configuration information comprises the measurement configuration information of this sub-district and/or adjacent sub-district,
Described network equipment determines that described UE measures before the measurement configuration information of adjacent sub-district of use, also comprises:
Obtain the described measurement configuration information that use described adjacent sub-district by X2 interface.
7. according to the described method of arbitrary claim in the claim 1 to 6, it is characterized in that, also comprise Physical Cell Identifier PCI parameter and/or offset parameter in the described measurement configuration information;
Perhaps, described measurement configuration information is carried out corresponding with Physical Cell Identifier PCI parameter and/or offset parameter.
8. according to the described method of arbitrary claim in the claim 1 to 7, it is characterized in that, described described measurement configuration information and/or described measurement configuration information corresponding identification sent to after the described UE, also comprise:
Receive described measurement configuration information and corresponding measurement result that described UE reports;
Perhaps, receive described measurement configuration information corresponding identification and the corresponding measurement result that described UE reports.
9. method according to claim 8 is characterized in that, described described measurement configuration is sent to after the described UE, receives described measurement configuration information corresponding identification and corresponding measurement result that described UE reports, specifically comprises:
Receive described UE and carry out the measurement of Reference Signal Received Power RSRP and/or Reference Signal Received Quality RSRQ, and obtain described measurement configuration information corresponding identification and the corresponding measurement result that reports after the described measurement configuration information corresponding identification according to described measurement configuration information.
10. a network equipment is characterized in that, described equipment comprises:
Determination module, be used for definite user equipment (UE) and measure the measurement configuration information of use, described measurement configuration information comprises one of following or combination: the antenna port of channel state information reference signals CSI-RS, resource distribution, sub-frame configuration, Physical Cell Identifier, power information, carrier identification and CSI-RS scrambling sign;
First sending module, be used for measurement configuration information and/or described measurement configuration information corresponding identification that described determination module is determined are sent to described UE, described UE is measured accordingly according to described measurement configuration information and/or described measurement configuration information corresponding identification.
11. equipment according to claim 10 is characterized in that, described first sending module specifically comprises:
Set up the unit, be used for setting up new measuring object, comprise described measurement configuration information and/or described measurement configuration information corresponding identification in the described new measuring object in the measurement configuration;
First transmitting element is used for described measurement configuration of setting up after the cell processing is sent to described UE.
12. equipment according to claim 10 is characterized in that, described first sending module specifically comprises:
Increase the unit, be used in original measuring object of measuring configuration, increasing described measurement configuration information and/or described measurement configuration information corresponding identification;
Second transmitting element is used for the configuration of the measurement after the described increase cell processing is sent to described UE.
13., it is characterized in that described equipment also comprises according to claim 11 or 12 described equipment:
Memory module is used to store described measurement configuration information and described measurement configuration information corresponding identification;
Described first sending module, after specifically being used for described measurement configuration information corresponding identification sent to described UE, described UE obtains corresponding measurement configuration information according to described measurement configuration information corresponding identification, and carries out the measurement of Reference Signal Received Power RSRP and/or Reference Signal Received Quality RSRQ according to the measurement configuration information that gets access to.
14., it is characterized in that described equipment also comprises according to claim 11 or 12 described equipment:
Second sending module is used for by system broadcast message or radio resource control RRC message described measurement configuration information and described measurement configuration information corresponding identification being sent to described UE;
Described first sending module, after specifically being used for described measurement configuration information corresponding identification sent to described UE, described UE obtains measurement configuration information in described system broadcast message or the RRC message according to described measurement configuration information corresponding identification, and carries out the measurement of Reference Signal Received Power RSRP and/or Reference Signal Received Quality RSRQ according to the measurement configuration information that gets access to.
15. equipment according to claim 10 is characterized in that, when the definite measurement configuration information of described determination module comprises the measurement configuration information of this sub-district and/or adjacent sub-district,
Described equipment also comprises:
Acquisition module is used for obtaining the described measurement configuration information that use described adjacent sub-district by X2 interface.
16. according to the described equipment of arbitrary claim in the claim 10 to 15, it is characterized in that, also comprise Physical Cell Identifier PCI parameter and/or offset parameter in the measurement configuration information that described determination module is determined;
Perhaps, the definite measurement configuration information of described determination module is carried out corresponding with described PCI parameter and/or offset parameter.
17., it is characterized in that described equipment also comprises according to the described equipment of arbitrary claim in the claim 10 to 16:
Receiver module is used to receive described measurement configuration information and the corresponding measurement result that described UE reports, and perhaps, receives described measurement configuration information corresponding identification and corresponding measurement result that described UE reports.
18. equipment according to claim 17, it is characterized in that, described receiver module, specifically be used for after described first sending module sends to described UE with described measurement configuration information, receive described UE carries out Reference Signal Received Power RSRP and/or Reference Signal Received Quality RSRQ according to described measurement configuration information measurement, and after obtaining described measurement configuration information corresponding identification, described measurement configuration information corresponding identification that reports and corresponding measurement result.
19. a subscriber equipment is characterized in that, described equipment comprises:
First receiver module, be used to receive measurement configuration information and/or described measurement configuration information corresponding identification that measurement that network equipment sends is used, described measurement configuration information comprises one of following or combination: the antenna port of channel state information reference signals CSI-RS, resource distribution, sub-frame configuration, Physical Cell Identifier, power information, carrier identification and CSI-RS scrambling sign;
Measurement module, the measurement configuration information and/or the described measurement configuration information corresponding identification that are used for receiving according to described first receiver module are measured accordingly.
20. equipment according to claim 19, it is characterized in that, described first receiver module, specifically be used to receive the measurement configuration that described network equipment sends, establish new measuring object in the described measurement configuration, comprise described measurement configuration information and/or described measurement configuration information corresponding identification in the described new measuring object.
21. equipment according to claim 19, it is characterized in that, described first receiver module, specifically be used to receive the measurement configuration that described network equipment sends, comprise described measurement configuration information and/or described measurement configuration information corresponding identification in the original measuring object in the described measurement configuration.
22., it is characterized in that described equipment also comprises according to claim 20 or 21 described equipment:
Memory module is used to store described measurement configuration information and described measurement configuration information corresponding identification;
Described first receiver module specifically is used to receive the described measurement configuration information corresponding identification that described network equipment sends;
Described measurement module, specifically be used for obtaining the measurement configuration information of described memory module storage, and carry out the measurement of Reference Signal Received Power RSRP and/or Reference Signal Received Quality RSRQ according to the measurement configuration information that gets access to according to the measurement configuration information corresponding identification that described first receiver module receives.
23., it is characterized in that described equipment also comprises according to claim 20 or 21 described equipment:
Second receiver module is used to receive described measurement configuration information and the described measurement configuration information corresponding identification that described network equipment sends by system broadcast message or radio resource control RRC message;
Described first receiver module specifically is used to receive the described measurement configuration information corresponding identification that described network equipment sends;
Described measurement module, specifically be used for obtaining the measurement configuration information that described second receiver module receives, and carry out the measurement of Reference Signal Received Power RSRP and/or Reference Signal Received Quality RSRQ according to the measurement configuration information that gets access to according to the measurement configuration information corresponding identification that described first receiver module receives.
24. according to the described equipment of arbitrary claim in the claim 19 to 23, it is characterized in that, also comprise Physical Cell Identifier PCI parameter and/or offset parameter in the measurement configuration information that described first receiver module receives;
Perhaps, the measurement configuration information that receives of described first receiver module is carried out corresponding with described PCI parameter and/or described offset parameter.
25., it is characterized in that described equipment also comprises according to the described equipment of arbitrary claim in the claim 19 to 24:
Reporting module is used for reporting described measurement configuration information and corresponding measurement result to described network equipment, perhaps, reports described measurement configuration information corresponding identification and corresponding measurement result to described network equipment.
26. equipment according to claim 25, it is characterized in that, receive the measurement configuration information that described network equipment sends at described first receiver module, after described measurement module carries out the measurement of Reference Signal Received Power RSRP and/or Reference Signal Received Quality RSRQ according to described measurement configuration information, described reporting module, specifically be used to obtain described measurement configuration information corresponding identification, and report the sign and the corresponding measurement result of described measurement configuration information to described network equipment.
27. the method for measurement of a RRM is characterized in that, comprising:
Receive the measurement configuration information and/or the described measurement configuration information corresponding identification of the measurement use of network equipment transmission, described measurement configuration information comprises one of following or combination: the antenna port of channel state information reference signals CSI-RS, resource distribution, sub-frame configuration, Physical Cell Identifier, power information, carrier identification and CSI-RS scrambling sign;
Measure accordingly according to measurement configuration information that receives and/or described measurement configuration information corresponding identification.
28. method according to claim 27 is characterized in that, measurement configuration information and/or described measurement configuration information corresponding identification that the measurement that described reception network equipment sends is used specifically comprise:
Receive the measurement configuration that described network equipment sends, establish new measuring object in the described measurement configuration, comprise described measurement configuration information and/or described measurement configuration information corresponding identification in the described new measuring object.
29. method according to claim 27 is characterized in that, measurement configuration information and/or described measurement configuration information corresponding identification that the measurement that described reception network equipment sends is used specifically comprise:
Receive the measurement configuration that described network equipment sends, comprise described measurement configuration information and/or described measurement configuration information corresponding identification in the original measuring object in the described measurement configuration.
30., it is characterized in that described method also comprises according to claim 28 or 29 described methods:
Store described measurement configuration information and described measurement configuration information corresponding identification;
Measurement configuration information and/or described measurement configuration information corresponding identification that the measurement that described reception network equipment sends is used specifically comprise:
Receive the described measurement configuration information corresponding identification that described network equipment sends;
Measurement configuration information that described basis receives and/or described measurement configuration information corresponding identification are measured accordingly, specifically comprise:
Obtain the measurement configuration information of storage according to the measurement configuration information corresponding identification that receives, and carry out the measurement of Reference Signal Received Power RSRP and/or Reference Signal Received Quality RSRQ according to the measurement configuration information that gets access to.
31., it is characterized in that described method also comprises according to claim 28 or 29 described methods:
Receive described measurement configuration information and described measurement configuration information corresponding identification that described network equipment sends by system broadcast message or radio resource control RRC message;
Measurement configuration information and/or described measurement configuration information corresponding identification that the measurement that described reception network equipment sends is used specifically comprise:
Receive the described measurement configuration information corresponding identification that described network equipment sends;
Measurement configuration information that described basis receives and/or described measurement configuration information corresponding identification are measured accordingly, specifically comprise:
Obtain corresponding measurement configuration information according to the measurement configuration information corresponding identification that receives, and carry out the measurement of Reference Signal Received Power RSRP and/or Reference Signal Received Quality RSRQ according to the measurement configuration information that gets access to.
32. according to each described method among the claim 27-31, it is characterized in that,
Also comprise Physical Cell Identifier PCI parameter and/or offset parameter in the described measurement configuration information; Perhaps,
Described measurement configuration information is carried out corresponding with described PCI parameter and/or described offset parameter.
33., it is characterized in that described method also comprises according to each described method among the claim 27-32:
Report described measurement configuration information and corresponding measurement result to described network equipment, perhaps, report described measurement configuration information corresponding identification and corresponding measurement result to described network equipment.
34. method according to claim 33 is characterized in that, describedly reports described measurement configuration information corresponding identification and corresponding measurement result to described network equipment, specifically comprises:
Carry out the measurement of Reference Signal Received Power RSRP and/or Reference Signal Received Quality RSRQ according to described measurement configuration information, and after obtaining described measurement configuration information corresponding identification, report described measurement configuration information corresponding identification and corresponding measurement result.
35. the measuring system of a RRM is characterized in that, described system comprises: network equipment and subscriber equipment;
Described network equipment is the described equipment of arbitrary claim in the claim 10 to 18 as described;
Described subscriber equipment is the described equipment of arbitrary claim in the claim 19 to 26 as described.
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