CN103458458A - Carrier wave measuring method and device - Google Patents
Carrier wave measuring method and device Download PDFInfo
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- CN103458458A CN103458458A CN2012101832612A CN201210183261A CN103458458A CN 103458458 A CN103458458 A CN 103458458A CN 2012101832612 A CN2012101832612 A CN 2012101832612A CN 201210183261 A CN201210183261 A CN 201210183261A CN 103458458 A CN103458458 A CN 103458458A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W24/00—Supervisory, monitoring or testing arrangements
- H04W24/10—Scheduling measurement reports ; Arrangements for measurement reports
Abstract
The invention discloses a carrier wave measuring method and device and relates to the communication field. The carrier wave measuring method and device aim to solve the problem that according to the prior art, new types of carrier waves can not be measured. The method comprises the steps that a base station confirms that specified carrier waves exist in the base station or in an adjacent base station, wherein the specified carrier waves at least comprise the new types of carrier waves or ordinary carrier waves; the base station assigns a measurement task to a user terminal to instruct the user terminal to measure the specified carrier waves, wherein the measurement task comprises the reference signals or types of the specified carrier waves; the base station receives a measurement report presented by the user terminal, wherein the measurement report comprises measurement results obtained after the user terminal measures the specified carrier waves according to the measurement task. The carrier wave measuring method and device are suitable for the communication field to measure the new types of carrier waves.
Description
Technical field
The present invention relates to the communications field, relate in particular to a kind of carrier wave method of measurement and device.
Background technology
Fast development along with mobile communication system, in order to keep 3GPP (the 3rd generation partnership project, third generation partner program) competitive advantage, the standard formulation work of LTE-A (long term evolution-advanced, the follow-up evolution of Long Term Evolution project) is carried out.In order further to improve spectrum efficiency and the user throughput of communication system, introduced CA (carrier gggregation in the Release-10 of LTE-A version, carrier aggregation) technology, this technology can make UE (user equipment, subscriber equipment) use a plurality of common carrier waves to carry out uplink and downlink communication simultaneously, thereby support high speed data transfer.In a plurality of common carrier wave used at UE, can select a carrier wave for example, as main carrier (: selecting first carrier wave that described UE is used is main carrier, but is not limited to this), all the other carrier waves are as auxiliary carrier wave.
In the Release-11 version, 3GPP has proposed a kind of new carrier type-NCT (new carrier yype, newtype carrier wave).NCT is considered as a kind of carrier wave of non-backward compatible, can be by revising existing mechanism to strengthen carrier performance, such as: strengthen spectrum efficiency, improve the heterogeneous network support, energy-conservation etc.In order to realize the lifting of above-mentioned performance, most of company tends to remove on time-frequency domain or subframe or reduction CRS (cell reference signaling, cell reference signals), retain CSI-RS (channel-state information reference signal, channel state information reference signals).
In communication process, base station need to be measured each carrier wave, determines the signal strength information of community, and then determines whether be that UE increases community as associative operations such as Serving cells.Along with the development of 3GPP, gradually the carrier wave of other types can be proposed in the 3GPP of highest version agreement, to promote the development of the communication technology.
The inventor finds that carrier wave measurement scheme of the prior art is measured common carrier wave, and when base station also has the other types carrier wave simultaneously, how to different carrier, measurement is the problem that needs solve.
Summary of the invention
Embodiments of the invention provide a kind of carrier wave method of measurement and device, can solve when base station has common carrier wave and other types carrier wave simultaneously the problem that different carrier is measured.
For achieving the above object, embodiments of the invention adopt following technical scheme:
On the one hand, the embodiment of the present invention provides a kind of carrier wave method of measurement, comprising:
Base station determines that the adjacent base station of described base station or described base station has designated carrier, and described designated carrier at least comprises newtype carrier wave or common carrier wave;
Described base station, to user terminal sending measuring task, is measured described designated carrier to indicate described user terminal, and described measurement task comprises the reference signal of described designated carrier or the carrier type of described designated carrier;
Described base station receives the measurement report of described user terminal to send up, and described measurement report comprises that described user terminal measures according to described measurement task the measurement result that described designated carrier obtains.
On the other hand, the embodiment of the present invention provides a kind of carrier wave method of measurement, comprising:
User terminal receives the measurement task that base station issues, and described measurement task is used to indicate described user terminal designated carrier is measured, and described measurement task comprises the reference signal of described designated carrier or the carrier type of described designated carrier;
Described user terminal is determined and is needed the reference signal of measuring according to described measurement task, and this reference signal is measured, and obtains the measurement result of described designated carrier, and described measurement result is carried in measurement report and is sent to described base station.
On the one hand, the embodiment of the present invention also provides a kind of carrier wave method of measurement, comprising again:
User terminal receives the measurement task that base station sends;
Described user terminal determines that according to described measurement task carrier wave to be measured comprises newtype carrier wave and common carrier wave;
The cell reference signals CRS of the described common carrier wave of described user terminal measurement and the channel state information reference signals CSI-RS of described newtype carrier wave, and obtain CRS measurement result and CSI-RS measurement result;
When the signal quality of described CSI-RS is better than the signal quality of described CRS, described user terminal is sent to described base station by described CSI-RS measurement result;
When the signal quality of described CRS is better than the signal quality of described CSI-RS, described user terminal is sent to described base station by described CRS measurement result.
Another aspect, the embodiment of the present invention also provides a kind of base station, comprising:
Determining unit, have designated carrier for the adjacent base station of determining described base station or described base station, and described designated carrier at least comprises newtype carrier wave or common carrier wave;
Transmitting element, for the described designated carrier of determining according to described determining unit, to user terminal sending measuring task, to indicate described user terminal, described designated carrier to be measured, described measurement task comprises the reference signal of described designated carrier or the carrier type of described designated carrier;
Receiving element, for receiving the measurement report of described user terminal to send up, described measurement report comprises that described user terminal measures according to described measurement task the measurement result that described designated carrier obtains.
Another aspect, the embodiment of the present invention also provides a kind of user terminal, comprising:
Receiving element, the measurement task issued for receiving base station, described measurement task is used to indicate described user terminal designated carrier is measured, and described measurement task comprises the reference signal of described designated carrier or the carrier type of described designated carrier;
Measuring unit, determine and need the reference signal of measuring for the measurement task received according to described the second receiving element, and this reference signal is measured, and obtains the measurement result of described designated carrier;
Transmitting element, be sent to described base station for described measurement result is carried on to measurement report.
Another aspect, the embodiment of the present invention also provides a kind of user terminal, comprising:
Receiving element, the measurement task sent for receiving base station;
Determining unit, determine that for the measurement task received according to described the 3rd receiving element carrier wave to be measured comprises newtype carrier wave and common carrier wave;
Measuring unit, for the cell reference signals CRS that measures described common carrier wave and the channel state information reference signals CSI-RS of described newtype carrier wave, and obtain CRS measurement result and CSI-RS measurement result;
Transmitting element, while for the signal quality of the described CSI-RS that measures when described the second measuring unit, being better than the signal quality of described CRS, be sent to described base station by described CSI-RS measurement result; And
When the signal quality of the described CRS measured when described the second measuring unit is better than the signal quality of described CSI-RS, described CRS measurement result is sent to described base station.
Carrier wave method of measurement and device that the embodiment of the present invention provides, when the carrier wave of needs measurement comprises common carrier wave and newtype carrier wave, can effectively realize the measurement to described common carrier wave and newtype carrier wave, make base station can obtain the measurement result of each carrier wave, be convenient to base station carrier wave is managed.
The accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, below will the accompanying drawing of required use in embodiment or description of the Prior Art be briefly described, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain according to these accompanying drawings other accompanying drawing.
The schematic flow sheet of the carrier wave method of measurement that Fig. 1 provides for the embodiment of the present invention one;
The schematic flow sheet of the carrier wave method of measurement that Fig. 2 provides for the embodiment of the present invention two;
The schematic flow sheet of the carrier wave method of measurement that Fig. 3 provides for the embodiment of the present invention three;
The schematic flow sheet of the carrier wave method of measurement that Fig. 4 provides for the embodiment of the present invention four;
The schematic flow sheet of the carrier wave method of measurement that Fig. 5 provides for the embodiment of the present invention five;
The structural representation of the base station that Fig. 6-8 provide for the embodiment of the present invention six;
The structural representation of the user terminal that Fig. 9 provides for the embodiment of the present invention seven;
The structural representation of the user terminal that Figure 10 provides for the embodiment of the present invention eight;
The structural representation of the base station that Figure 11 provides for the embodiment of the present invention nine;
The structural representation of the user terminal that Figure 12 provides for the embodiment of the present invention ten;
The structural representation of the user terminal that Figure 13 provides for the embodiment of the present invention 11.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is clearly and completely described, obviously, described embodiment is only the present invention's part embodiment, rather than whole embodiment.Embodiment based in the present invention, those of ordinary skills, not making under the creative work prerequisite the every other embodiment obtained, belong to the scope of protection of the invention.
In various embodiments of the present invention, designated carrier can be understood as that base station is determined and needs the different carrier of test, as common carrier wave, member carrier, newtype carrier wave, etc.
Embodiment mono-
The embodiment of the present invention provides a kind of carrier wave method of measurement, as shown in Figure 1, comprising:
101, base station determines that the adjacent base station of described base station or described base station has designated carrier, and described designated carrier at least comprises newtype carrier wave or common carrier wave.
What deserves to be explained is, described common carrier wave in the embodiment of the present invention is traditional backward compatibility carrier wave, the non-backward compatible carrier waves that described newtype carrier wave is enhancement mode, can be a kind of new carrier type-NCT (new carrier type, new carrier type) of the proposition of 3GPP in the Release-11 version.。NCT is considered as a kind of carrier wave of non-backward compatible, can be by revising existing mechanism to strengthen carrier performance, such as: strengthen spectrum efficiency, improve the heterogeneous network support, energy-conservation etc.In order to realize the lifting of above-mentioned performance, most of company tends to remove on time-frequency domain or subframe or reduction CRS (cell reference signaling, cell reference signals), retain CSI-RS (channel-state information reference signal, channel state information reference signals).
102, described base station, to user terminal sending measuring task, is measured designated carrier to indicate described user terminal, and described measurement task comprises the reference signal of described designated carrier or the carrier type of described designated carrier.
What deserves to be explained is, the method that the embodiment of the present invention provides can be passed through RRC (radio resource control, Radio Resource is controlled) message to user terminal sending measuring task by base station, but is not limited only to this.
Wherein, the reference signal that user terminal need to be measured comprises CRS (cell reference signaling, cell reference signals) or CSI-RS (channel-state information reference signal, channel state information reference signals) etc.
Concrete, when designated carrier is the newtype carrier wave, the CSI-RS of the described designated carrier of user terminal measurement; When designated carrier is common carrier wave, the CRS of the described designated carrier of user terminal measurement.
103, described base station receives the measurement report of described user terminal to send up, and described measurement report comprises that described user terminal measures according to described measurement task the measurement result that described designated carrier obtains.
Base station is after obtaining measurement report, can determine according to measurement result signal quality and the signal strength signal intensity of designated carrier, thereby being convenient to base station manages user terminal and this designated carrier, for example: whether base station determines is that this user terminal increases new carrier wave, perhaps this designated carrier is safeguarded, or the scene of decision minizone switching etc.
What deserves to be explained is, described newtype carrier wave also can be called expansion carrier wave (extensional carrier) or additional carrier (additional carrier).
The carrier wave method of measurement that the embodiment of the present invention provides, can effectively realize the carrier wave of common carrier wave and newtype carrier wave is measured, thereby be convenient to base station, according to the measurement result of carrier wave, carrier wave or active user's terminal managed to operation, guarantees communication quality.
Embodiment bis-
The embodiment of the present invention provides a kind of carrier wave method of measurement, further using user terminal as executive agent, embodiment mono-is described, and as shown in Figure 2, comprising:
201, user terminal receives the measurement task that base station issues, described measurement task is used to indicate described user terminal designated carrier is measured, described measurement task comprises the reference signal of described designated carrier or the carrier type of described designated carrier, and described designated carrier at least comprises newtype carrier wave or common carrier wave.
Wherein, the reference signal that user terminal need to be measured comprises CRS (cell reference signaling, cell reference signals) or CSI-RS (channel-state information reference signal, channel state information reference signals).
202, described user terminal is determined and is needed the reference signal of measuring according to described measurement task, and this reference signal is measured, and obtains the measurement result of described designated carrier, and described measurement result is carried in measurement report and is sent to described base station.
Concrete, when designated carrier is the newtype carrier wave, the CSI-RS that the reference signal that described user terminal is determined needs measurement is designated carrier; When designated carrier is common carrier wave, the CRS that the reference signal that described user terminal is determined needs measurement is designated carrier.
The carrier wave method of measurement that the embodiment of the present invention provides, the measurement task that can issue according to base station realizes the measurement to common carrier wave and newtype carrier wave, measurement result is reported to base station, so that base station manages operation according to the measurement result of carrier wave to carrier wave or active user's terminal.
Embodiment tri-
The embodiment of the present invention provides a kind of carrier wave method of measurement, further embodiment mono-, two is described, and as shown in Figure 3, comprising:
The carrier type of the designated carrier of the described adjacent base station that 301, the base station receiving neighbor bs sends.
It is emphasized that the adjacent base station in the embodiment of the present invention at least comprises the base station be connected with described base station by X2 interface or S 1 interface.Concrete, when the interface between base station is set up, the carrier type of the designated carrier of the described adjacent base station that described base station sends by receiving neighbor bs, cell information with community under the mutual base station separately of adjacent base station, comprise: the information such as the carrier wave frequency range of community, community ID (identity, sign).What deserves to be explained is, in the present embodiment, the mutual cell information of current base station and adjacent base station also comprises the carrier type of community under base station separately, and described carrier type comprises common carrier wave and newtype carrier wave.
For example, base station 1 and base station 2 connect and are illustrated for example by X2 interface: the cell information of community, 2 times, base station and neighbor cell is carried in base station 2 in the X2setup request sent to base station 1 (X2 interface is set up request) message, and the cell information of community, 1 time, base station and neighbor cell is carried in base station 1 in the X2setup response sent to base station 2 (X2 interface is set up response) message.
On the other hand, when base station 1 and base station 2 connect by the S1 interface, can pass through MME (mobility management entity, mobile management entity) and carry out Signalling exchange, so that base station 1 and base station 2 obtain the cell information of base station separately and adjacent base station Xia Ge community.
What deserves to be explained is, the carrier type of described designated carrier at least comprises newtype carrier wave or common carrier wave.Wherein, the newtype carrier wave is a kind of new carrier type that 3GPP proposes in the Release-11 of LTE-A version, and such carrier wave has been removed CRS.According to current standard, the newtype carrier wave can not configure alone to UE (user equipment, user terminal) conduct service carrier wave, needs the associated carrier wave of configuration common carrier wave in base station as this newtype carrier wave.So while having the newtype carrier wave under described base station, also need the common carrier wave be associated with this newtype carrier wave to the adjacent base station indication, this common carrier wave can configure to UE as Serving cell alone.
Optionally, base station can be according to the frequency range of newtype carrier wave and common carrier wave, select the associated carrier wave of the common carrier wave comparatively approaching with newtype carrier wave frequency range of living in as this newtype carrier wave, also can require, for newtype carrier wave configuration association carrier wave, not do restriction herein according to other.
302, base station determines that the adjacent base station of described base station or described base station has designated carrier, and described designated carrier at least comprises newtype carrier wave or common carrier wave.
What deserves to be explained is, the described common carrier wave in the embodiment of the present invention is traditional backward compatibility carrier wave, and the non-backward compatible carrier waves that described newtype carrier wave is enhancement mode is included in the Release-11 version, a kind of new carrier type-NCT that 3GPP proposes.NCT is considered as a kind of carrier wave of non-backward compatible, can be by revising existing mechanism to strengthen carrier performance, such as: strengthen spectrum efficiency, improve the heterogeneous network support, energy-conservation etc.In order to realize the lifting of above-mentioned performance, most of company tends to remove on time-frequency domain or subframe or reduction CRS, retains CSI-RS.It is emphasized that described newtype carrier wave also can be called expansion carrier wave or additional carrier.
303, when described base station need to be measured designated carrier, generate the measurement task according to the carrier type of this designated carrier, described measurement task comprises the reference signal of described designated carrier or the carrier type of described designated carrier.
What deserves to be explained is, UE is based on CRS and realizes when common carrier wave is measured, and the CRS of UE by measuring common carrier wave is to obtain the measurement result of this common carrier wave.Owing in the newtype carrier wave, having removed CRS, so the CSI-RS of the present embodiment by measuring the newtype carrier wave is to be measured the newtype carrier wave.Wherein, with CRS, compare, the frequency of CSI-RS is lower, but also can be used in the signal quality of measuring the newtype carrier wave.
Concrete, when described designated carrier is the newtype carrier wave, the reference signal of the described newtype carrier wave that needs UE to measure is CSI-RS; When described designated carrier is common carrier wave, the reference signal of the described common carrier wave that needs UE to measure is CRS.
It should be noted that, each measurement task comprises measures entity information (measurement object) and report configuration information (report configuration), measure the described report configuration information of entity information and be used to indicate the designated carrier that needs UE to be measured, the report configuration information is for determining that triggering UE sends the configuration information of measurement report to base station.Wherein, measure entity information and report that configuration information is the cell message in the measurement task, base station can preferably be carried on and measure in entity information with reference to signal designation information, also can be carried in the report configuration information, does not do restriction herein.
304, described base station, to UE sending measuring task, is measured described designated carrier to indicate described UE, and described measurement task comprises the reference signal of described designated carrier or the carrier type of described designated carrier.
305, UE receives described measurement task, according to described measurement task, determines and needs the reference signal of measuring.
Concrete, when designated carrier is the newtype carrier wave, the CSI-RS that the reference signal that UE determines needs measurement is described designated carrier; Perhaps, when designated carrier is common carrier wave, the CRS that the reference signal that UE determines needs measurement is described designated carrier.
Optionally, except above-mentioned UE directly determines the method for the reference signal that needs measurement according to the measurement task, UE can also determine by the measurement task carrier type of described designated carrier, and then determines and need the reference signal of measuring according to definite carrier type, specific as follows:
When the carrier type of described designated carrier is described newtype carrier wave or described common carrier wave, described UE determines that according to the carrier type of described designated carrier needing the reference signal of measuring is described CSI-RS or described CRS.
What deserves to be explained is, adopt UE directly to determine the method for the reference signal that needs measurement according to the measurement task, can reduce the complexity of UE, reduce the trigger delay of measurement report
306, UE is measured the described reference signal of measuring that needs, and obtains measurement result, and described measurement result comprises CSI-RS measurement result or CRS measurement result.
307, meet the report configuration information in the measurement task and while triggering reporting measurement reports, send measurement report to base station when measurement result that UE obtains, described measurement report comprises that the reference signal that UE measures needs completes the measurement result obtained after measurement.
308, base station receives the measurement report that UE reports, and obtains the measurement result of designated carrier.
Base station is after obtaining the measurement result of designated carrier, can determine according to measurement result signal quality and the signal strength signal intensity of designated carrier, and then UE and this designated carrier are managed, for example: determine whether be that UE increases new carrier wave, perhaps this designated carrier is safeguarded, or the scene of decision minizone switching etc.
The carrier wave method of measurement that the embodiment of the present invention provides, can realize the measurement to common carrier wave and newtype carrier wave, thereby be convenient to base station, according to carrier wave measurement result carrier wave or active user's terminal, manages operation; The reference signal that needs UE to measure can be determined in base station in the present embodiment simultaneously, can reduce the complexity of UE, reduces the trigger delay of measurement report.
Embodiment tetra-
The embodiment of the present invention provides a kind of carrier wave method of measurement, from the UE side, above-described embodiment is described, and as shown in Figure 4, described method comprises:
401, UE receives the measurement task that base station sends.
Wherein, described measurement task is used to indicate described UE and determines carrier wave to be measured.
402, described UE determines that according to described measurement task carrier wave to be measured comprises newtype carrier wave and common carrier wave.
Wherein, described common carrier wave is traditional backward compatibility carrier wave, the non-backward compatible carrier waves that described newtype carrier wave is enhancement mode, described newtype carrier wave is a kind of new carrier type that 3GPP proposes in the Release-11 of LTE-A version, be considered as a kind of carrier wave of non-backward compatible, can be by revising existing mechanism to strengthen carrier performance, such as: strengthen spectrum efficiency, improve the heterogeneous network support, energy-conservation etc.In order to realize the lifting of above-mentioned performance, most of company tends to remove on time-frequency domain or subframe or reduction CRS, retains CSI-RS.
403, described UE measures the CRS of described common carrier wave and the CSI-RS of described newtype carrier wave, and obtains CRS measurement result and CSI-RS measurement result.
404,, when the signal quality of described CSI-RS is better than the signal quality of described CRS, described UE is sent to described base station by described CSI-RS measurement result; When the signal quality of described CRS is better than the signal quality of described CSI-RS, described UE is sent to described base station by described CRS measurement result.
What deserves to be explained is, because the newtype carrier wave has been removed CRS, so, when the designated carrier that needs to measure is the newtype carrier wave, the CSI-RS measurement result that UE obtains is better, the CRS measurement result is poor.
The carrier wave method of measurement that the embodiment of the present invention provides, when receiving the measurement task that base station issues, determine and need the designated carrier of measuring according to the measurement task, and then CRS and the CSI-RS of this carrier wave measured respectively, selection signal quality reference signal preferably also reports base station by the measurement result of this reference signal, so that base station manages operation to described designated carrier.
Embodiment five
The embodiment of the present invention provides a kind of carrier wave method of measurement, is the detailed description to embodiment tetra-, as shown in Figure 5, comprising:
501, UE receives the measurement task that base station sends, and described measurement task is used to indicate described UE and determines carrier wave to be measured.
502, described UE determines that according to described measurement task carrier wave to be measured comprises newtype carrier wave and common carrier wave.
Wherein, described common carrier wave is traditional backward compatibility carrier wave, the non-backward compatible carrier waves that described newtype carrier wave is enhancement mode, described newtype carrier wave is a kind of new carrier type that 3GPP proposes in the Release-11 of LTE-A version, be considered as a kind of carrier wave of non-backward compatible, can be by revising existing mechanism to strengthen carrier performance, such as: strengthen spectrum efficiency, improve the heterogeneous network support, energy-conservation etc.In order to realize the lifting of above-mentioned performance, most of company tends to remove on time-frequency domain or subframe or reduction CRS, retains CSI-RS.
What deserves to be explained is, UE in the present embodiment supports the Release-11 version of LTE-A, and UE can be usingd the newtype carrier wave and communicated as Serving cell.
503, described UE measures the CRS of described common carrier wave and the CSI-RS of described newtype carrier wave, and obtains CRS measurement result and CSI-RS measurement result.
504, described UE compares described CRS measurement result and CSI-RS measurement result, select signal quality preferably measurement result as the measurement result of described carrier wave to be measured, determine the reference signal of described carrier wave to be measured or the carrier type of described carrier wave to be measured according to this measurement result, generate measurement report, described measurement report is sent to described base station.
Wherein, described measurement report at least comprises measurement result and the reference signal of described carrier wave to be measured or the carrier type of described carrier wave to be measured of described carrier wave to be measured, determines the carrier type of described carrier wave to be measured for described base station.
Concrete, when the signal quality of described CSI-RS is better than the signal quality of described CRS, described user terminal sends measurement report to described base station, there is described CSI-RS measurement result in described measurement report, with following at least one information: the reference signal of (1) described newtype carrier wave, for for base station, according to this reference signal, determining that the carrier wave that UE measures is the newtype carrier wave; (2) carrier type of described newtype carrier wave, the carrier wave that is used to indicate base station UE measurement is the newtype carrier wave;
When the signal quality of described CRS is better than the signal quality of described CSI-RS, described user terminal sends measurement report to described base station, there is described CRS measurement result in described measurement report, with following at least one information: the reference signal of (1) described common carrier wave, for for base station, according to this reference signal, determining that the carrier wave that UE measures is common carrier wave; (2) carrier type of described common carrier wave, the carrier wave that is used to indicate base station UE measurement is common carrier wave.
505, base station receives the measurement report that UE reports, and obtains measurement result, determines the carrier type of the measured carrier wave of UE.
Optionally, in order to reduce the complexity of base station, the UE in the embodiment of the present invention can be chosen in the carrier type that directly carries the measured carrier wave of this UE in measurement report.
What deserves to be explained is, base station is after receiving the measurement report that UE reports, can access signal quality and the carrier type of the measured carrier wave of UE, and then this carrier wave is managed to operation, for example: determine whether be that UE increases new carrier wave, perhaps this carrier wave is safeguarded, or the scene of decision minizone switching etc.What deserves to be explained is, because the newtype carrier wave can not configure alone to UE as Serving cell, if determine that the carrier wave that UE measures is the newtype carrier wave, target main plot that can be using this carrier wave as switching.
The carrier wave method of measurement that the embodiment of the present invention provides, when UE receives the measurement task that base station issues, determine that base station requires the carrier wave of measuring, CRS and CSI-RS to this carrier wave are measured respectively, selection signal quality reference signal preferably also reports base station by the carrier type of the measurement result of this reference signal and the measured carrier wave of UE, so that the carrier type of the measured carrier wave of UE is determined in base station, be convenient to base station carrier wave is managed to operation.
Embodiment six
The embodiment of the present invention provides a kind of base station, can carry out the action of base station in said method embodiment, and as shown in Figure 6, described base station comprises:
Determining unit 61, have designated carrier for the adjacent base station of determining described base station or described base station, and described designated carrier at least comprises newtype carrier wave or common carrier wave.
Wherein, determining unit 61 can be for the step 101 of carrying out embodiment mono-and the step 301 in embodiment tri-;
Transmitting element 62, for the described designated carrier of determining according to described determining unit, to user terminal sending measuring task, to indicate described user terminal, described designated carrier to be measured, described measurement task comprises the reference signal of described designated carrier or the carrier type of described designated carrier;
Transmitting element wherein, can be for the step 102 of carrying out embodiment mono-and the step 304 in embodiment tri-;
Receiving element 63, for receiving the measurement report of described user terminal to send up, described measurement report comprises that described user terminal measures according to described measurement task the measurement result that described designated carrier obtains.
Receiving element 63, can be for the step 103 of carrying out embodiment mono-and the step 308 in embodiment tri-.
Further, this receiving element 63, also for the carrier type of the described designated carrier that receives the described adjacent base station that described adjacent base station sends.
Further, as shown in Figure 7, this base station also comprises indicating member 64, for when described base station has described newtype carrier wave, and the common carrier wave be associated with described newtype carrier wave to described adjacent base station indication.
Further, as shown in Figure 8, described base station also comprises determining unit 65, for:
When described designated carrier is described newtype carrier wave, the reference signal of determining described newtype carrier wave is channel state information reference signals CSI-RS;
When described designated carrier is common carrier wave, the reference signal of determining described common carrier wave is cell reference signals CRS.
Concrete, this determining unit 65, be further used for when the carrier type of described designated carrier is described newtype carrier wave or described common carrier wave, according to the carrier type of described designated carrier, determines that needing the reference signal of measuring is described CSI-RS or described CRS.
Optionally, the measurement task that in the embodiment of the present invention, base station issues has the entity information of measurement and report configuration information, described measurement entity information or described report configuration information are used to indicate the described designated carrier of measuring that needs, and described report configuration information is also for determining that triggering described user terminal sends the configuration information of measurement report to described base station.
Optionally, in the present embodiment, the non-backward compatible carrier waves that described newtype carrier wave is enhancement mode, described common carrier wave is traditional backward compatibility carrier wave.
In the present embodiment, above-mentioned determining unit 61 can be for the step 101 of carrying out embodiment mono-and the step 301 in embodiment tri-; Above-mentioned transmitting element 62, can be for the step 102 of carrying out embodiment mono-and the step 304 in embodiment tri-; Above-mentioned receiving element 63, can be for the step 103 of carrying out embodiment mono-and the step 308 in embodiment tri-.Therefore, the base station that the embodiment of the present invention provides, can effectively realize to newtype carrier wave and common carrier wave measurement, according to the measurement result of carrier wave, this carrier wave or active user's terminal are managed to operation thereby be convenient to base station; Base station in the present embodiment can determine that the carrier type of the designated carrier that needs measurement maybe needs the signal type of the reference signal of measurement simultaneously, thereby can reduce the complexity of UE, reduces the trigger delay of measurement report.
Embodiment seven
The embodiment of the present invention provides a kind of user terminal, can realize performing an action of UE in said method embodiment, and as shown in Figure 9, described user terminal comprises:
Receiving element 91, the measurement task issued for receiving base station, described measurement task is used to indicate described user terminal designated carrier is measured, and described measurement task comprises the reference signal of described designated carrier or the carrier type of described designated carrier;
Measuring unit 92, determine and need the reference signal of measuring for the measurement task received according to described receiving element, and this reference signal is measured, and obtains the measurement result of described designated carrier;
Transmitting element 93, be sent to described base station for described measurement result is carried on to measurement report.
Optionally, this user terminal also comprises determining unit 94, for when designated carrier is described newtype carrier wave, and the channel state information reference signals CSI-RS that the reference signal that determining needs measurement is described designated carrier; And, when described designated carrier is common carrier wave, the reference signal that the reference signal that determining needs measurement is described designated carrier is cell reference signals CRS.
Optionally, when described determining unit 94 also is described newtype carrier wave or described common carrier wave for the carrier type when described designated carrier, according to the carrier type of described designated carrier, determine that needing the reference signal of measuring is described CSI-RS or described CRS.。
Optionally, in the present embodiment, the non-backward compatible carrier waves that described newtype carrier wave is enhancement mode, described common carrier wave is traditional backward compatibility carrier wave.
Receiving element 91 in the present embodiment, can be for the step 201 of carrying out embodiment bis-and the step 305 in embodiment tri-.Therefore, the user terminal that the embodiment of the present invention provides, the measurement task that can issue according to base station realizes the measurement to newtype carrier wave and common carrier wave, thereby is convenient to the measurement result of base station according to carrier wave, and newtype carrier wave and common carrier wave or active user's terminal are managed to operation.
Embodiment eight
The embodiment of the present invention provides a kind of user terminal, can realize the method for UE in said method embodiment tetra-and embodiment five, and as shown in figure 10, described user terminal comprises:
Receiving element 101, the measurement task sent for receiving base station;
Determining unit 102, determine that for the measurement task received according to described the 3rd receiving element carrier wave to be measured comprises newtype carrier wave and common carrier wave;
Measuring unit 103, for the cell reference signals CRS that measures described common carrier wave and the channel state information reference signals CSI-RS of described newtype carrier wave, and obtain CRS measurement result and CSI-RS measurement result;
Transmitting element 104, for:
When the signal quality of the described CSI-RS measured when described the second measuring unit is better than the signal quality of described CRS, described CSI-RS measurement result is sent to described base station; And
When the signal quality of the described CRS measured when described the second measuring unit is better than the signal quality of described CSI-RS, described CRS measurement result is sent to described base station.
Wherein, above-mentioned receiving element 101, can be for carrying out step 501 in embodiment tetra-steps 401 and embodiment five.
Above-mentioned determining unit 102, can be for carrying out step 502 in embodiment tetra-steps 402 and embodiment five.
Above-mentioned measuring unit 103, can be for carrying out step 503 in embodiment tetra-steps 403 and embodiment five.
Above-mentioned transmitting element 104, can be for carrying out step 504 in embodiment tetra-steps 404 and embodiment five.
Preferably, described transmitting element 104, for send measurement report to described base station, has described CSI-RS measurement result in described measurement report, and at least one information as follows: the reference signal of (1) described newtype carrier wave; (2) carrier type of described newtype carrier wave;
Perhaps,
Described transmitting element 104, for send measurement report to described base station, has described CRS measurement result in described measurement report, and at least one information as follows: the reference signal of (1) described common carrier wave; (2) carrier type of described common carrier wave.
The user terminal that the embodiment of the present invention provides, when receiving the measurement task that base station issues, determine that base station requires the designated carrier of measuring, CRS and CSI-RS to this carrier wave are measured respectively, selection signal quality reference signal preferably also reports base station by the measurement result of this reference signal, so that the carrier type of the measured carrier wave of described user terminal is determined in base station, be convenient to base station described carrier wave is managed to operation.
Embodiment nine
The embodiment of the present invention provides a kind of base station, can realize the method for base station in embodiment mono-and embodiment tri-, and as shown in figure 11, described base station comprises:
Further, described receiver 113 is for the carrier type of the described designated carrier of the described adjacent base station that receives described adjacent base station and send.
Concrete, described transmitter 112, also for when described base station has described newtype carrier wave, is indicated the common carrier wave be associated with described newtype carrier wave to described adjacent base station.
Further, described processor 111 is also for determining described measurement task according to described designated carrier; Wherein, described measurement task is used for when described designated carrier is described newtype carrier wave, the channel state information reference signals CSI-RS that the reference signal of indicating described user terminal measurement is described newtype carrier wave; And
When described designated carrier is common carrier wave, the reference signal that the reference signal of indicating described user terminal measurement is described common carrier wave is cell reference signals CRS.
Optionally, when the definite measurement task of described processor 111 also is described newtype carrier wave or described common carrier wave for the carrier type when described designated carrier, indicate described user terminal to determine that according to the carrier type of described designated carrier needing the reference signal of measuring is described CSI-RS or described CRS.
Optionally, the definite measurement task of described processor 111 has the entity information of measurement and report configuration information, described measurement entity information or described report configuration information are used to indicate the described designated carrier of measuring that needs, and described report configuration information is also for determining that triggering described user terminal sends the configuration information of measurement report to described base station.
Optionally, in the present embodiment, the non-backward compatible carrier waves that described newtype carrier wave is enhancement mode, described common carrier wave is traditional backward compatibility carrier wave.
The base station that the embodiment of the present invention provides, can effectively realize to newtype carrier wave and common carrier wave measurement, according to the measurement result of carrier wave, this carrier wave or active user's terminal are managed to operation thereby be convenient to base station; Base station in the present embodiment can determine that the carrier type of the designated carrier that needs measurement maybe needs the signal type of the reference signal of measurement simultaneously, thereby can reduce the complexity of UE, reduces the trigger delay of measurement report.
Embodiment ten
The embodiment of the present invention provides a kind of user terminal, can realize the method for UE in embodiment bis-and embodiment tri-, and as shown in figure 12, described user terminal comprises:
Concrete, described processor 122 is for when described designated carrier is described newtype carrier wave, the channel state information reference signals CSI-RS that the reference signal that determining needs measurement is described designated carrier; And
When described designated carrier is common carrier wave, the reference signal that the reference signal that determining needs measurement is described designated carrier is cell reference signals CRS.
Optionally, when described processor 122 is described newtype carrier wave or described common carrier wave for the carrier type when described designated carrier, according to the carrier type of described designated carrier, determine that needing the reference signal of measuring is described CSI-RS or described CRS.
Optionally, in the present embodiment, the non-backward compatible carrier waves that described newtype carrier wave is enhancement mode, described common carrier wave is traditional backward compatibility carrier wave.
The user terminal that the embodiment of the present invention provides, the measurement task that can issue according to base station realizes the measurement to newtype carrier wave and common carrier wave, thereby be convenient to the measurement result of base station according to carrier wave, newtype carrier wave and common carrier wave or active user's terminal are managed to operation.
Embodiment 11
The embodiment of the present invention provides a kind of user terminal, can realize the method for UE in embodiment tetra-and embodiment five, as shown in figure 13, comprising:
Measure the cell reference signals CRS of described common carrier wave and the channel state information reference signals CSI-RS of described newtype carrier wave, and obtain CRS measurement result and CSI-RS measurement result;
When the signal quality of the described CRS measured when described processor 132 is better than the signal quality of described CSI-RS, described CRS measurement result is sent to described base station.
Concrete, described transmitter 133, for to described base station, sending measurement report, has described CSI-RS measurement result in described measurement report, and at least one information as follows: the reference signal of (1) described newtype carrier wave; (2) carrier type of described newtype carrier wave;
Perhaps,
Described transmitter 133, for send measurement report to described base station, has described CRS measurement result in described measurement report, and at least one information as follows: the reference signal of (1) described common carrier wave; (2) carrier type of described common carrier wave.
The user terminal that the embodiment of the present invention provides, when receiving the measurement task that base station issues, determine that base station requires the designated carrier of measuring, CRS and CSI-RS to this carrier wave are measured respectively, selection signal quality reference signal preferably also reports base station by the measurement result of this reference signal, so that the carrier type of the measured carrier wave of described user terminal is determined in base station, be convenient to base station described carrier wave is managed to operation.
Through the above description of the embodiments, the those skilled in the art can be well understood to the mode that the present invention can add essential common hardware by software and realize, can certainly pass through hardware, but in a lot of situation, the former is better execution mode.Understanding based on such, the part that technical scheme of the present invention contributes to prior art in essence in other words can embody with the form of software product, this computer software product is stored in the storage medium can read, floppy disk as computer, hard disk or CD etc., comprise some instructions with so that computer equipment (can be personal computer, server, or the network equipment etc.) carry out the described method of each embodiment of the present invention.
The above; be only the specific embodiment of the present invention, but protection scope of the present invention is not limited to this, anyly is familiar with those skilled in the art in the technical scope that the present invention discloses; can expect easily changing or replacing, within all should being encompassed in protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with the protection range of described claim.
Claims (23)
1. a carrier wave method of measurement, is characterized in that, comprising:
Base station determines that the adjacent base station of described base station or described base station has designated carrier, and described designated carrier at least comprises newtype carrier wave or common carrier wave;
Described base station, to user terminal sending measuring task, is measured described designated carrier to indicate described user terminal, and described measurement task comprises the reference signal of described designated carrier or the carrier type of described designated carrier;
Described base station receives the measurement report of described user terminal to send up, and described measurement report comprises that described user terminal measures according to described measurement task the measurement result that described designated carrier obtains.
2. method according to claim 1, is characterized in that, also comprises:
Described base station receives the carrier type of the described designated carrier of the described adjacent base station that described adjacent base station sends.
3. method according to claim 1 and 2, is characterized in that, also comprises:
When described base station has described newtype carrier wave, the common carrier wave that described base station is associated with described newtype carrier wave to described adjacent base station indication.
4. according to the described method of any one in claim 1-3, it is characterized in that:
When described designated carrier is described newtype carrier wave, the reference signal of described newtype carrier wave is channel state information reference signals CSI-RS;
When described designated carrier is common carrier wave, the reference signal of described common carrier wave is cell reference signals CRS.
5. method according to claim 4 is characterized in that:
The carrier type of described designated carrier is described newtype carrier wave or described common carrier wave, so that described user terminal determines that according to the carrier type of described designated carrier needing the reference signal of measuring is described CSI-RS or described CRS.
6. according to the described method of any one in claim 1-5, it is characterized in that:
Described measurement task has the entity information of measurement and report configuration information, described measurement entity information or described report configuration information are used to indicate the described designated carrier of measuring that needs, and described report configuration information is also for determining that triggering described user terminal sends the configuration information of measurement report to described base station.
7. according to the described method of claim 1-6 any one, it is characterized in that, the non-backward compatible carrier waves that described newtype carrier wave is enhancement mode, described common carrier wave is traditional backward compatibility carrier wave.
8. a carrier wave method of measurement, is characterized in that, comprising:
User terminal receives the measurement task that base station issues, and described measurement task is used to indicate described user terminal designated carrier is measured, and described measurement task comprises the reference signal of described designated carrier or the carrier type of described designated carrier;
Described user terminal is determined and is needed the reference signal of measuring according to described measurement task, and this reference signal is measured, and obtains the measurement result of described designated carrier, and described measurement result is carried in described measurement report and is sent to described base station;
Wherein, described designated carrier at least comprises newtype carrier wave or common carrier wave.
9. method according to claim 8 is characterized in that:
When described designated carrier is described newtype carrier wave, the channel state information reference signals CSI-RS that described user terminal is described newtype carrier wave according to the definite reference signal that need to measure of described measurement task;
When described designated carrier is common carrier wave, the cell reference signals CRS that described user terminal is described common carrier wave according to the definite reference signal that need to measure of described measurement task.
10. method according to claim 9 is characterized in that:
When the carrier type of described designated carrier is described newtype carrier wave or described common carrier wave, described user terminal determines that according to the carrier type of described designated carrier needing the reference signal of measuring is described CSI-RS or described CRS.
11. method according to claim 10, is characterized in that, the non-backward compatible carrier waves that described newtype carrier wave is enhancement mode, and described common carrier wave is traditional backward compatibility carrier wave.
12. a carrier wave method of measurement, is characterized in that, comprising:
User terminal receives the measurement task that base station sends;
Described user terminal determines that according to described measurement task carrier wave to be measured comprises newtype carrier wave and common carrier wave;
The cell reference signals CRS of the described common carrier wave of described user terminal measurement and the channel state information reference signals CSI-RS of described newtype carrier wave, and obtain CRS measurement result and CSI-RS measurement result;
When the signal quality of described CSI-RS is better than the signal quality of described CRS, described user terminal is sent to described base station by described CSI-RS measurement result;
When the signal quality of described CRS is better than the signal quality of described CSI-RS, described user terminal is sent to described base station by described CRS measurement result.
13. method according to claim 12 is characterized in that:
Described user terminal is sent to described base station by described CSI-RS measurement result, comprising:
Described user terminal sends measurement report to described base station, have described CSI-RS measurement result in described measurement report, and at least one information as follows:
The reference signal of described newtype carrier wave;
The carrier type of described newtype carrier wave;
Described user terminal is sent to described base station by described CRS measurement result, comprising:
Described user terminal sends measurement report to described base station, have described CRS measurement result in described measurement report, and at least one information as follows:
The reference signal of described common carrier wave;
The carrier type of described common carrier wave.
14. a base station, is characterized in that, comprising:
Determining unit, have designated carrier for the adjacent base station of determining described base station or described base station, and described designated carrier at least comprises newtype carrier wave or common carrier wave;
Transmitting element, for the described designated carrier of determining according to described determining unit, to user terminal sending measuring task, to indicate described user terminal, described designated carrier to be measured, described measurement task comprises the reference signal of described designated carrier or the carrier type of described designated carrier;
Receiving element, for receiving the measurement report of described user terminal to send up, described measurement report comprises that described user terminal measures according to described measurement task the measurement result that described designated carrier obtains.
15. base station according to claim 14 is characterized in that:
Described receiving element is also for the carrier type of the described designated carrier that receives the described adjacent base station that described adjacent base station sends.
16. according to the described base station of claims 14 or 15, it is characterized in that, described base station also comprises: indicating member, for when described base station has described newtype carrier wave, the common carrier wave be associated with described newtype carrier wave to described adjacent base station indication.
17. according to the described base station of any one in right 14-16, it is characterized in that, also comprise:
Determining unit, for:
When described designated carrier is described newtype carrier wave, the reference signal of determining described newtype carrier wave is channel state information reference signals CSI-RS;
When described designated carrier is common carrier wave, the reference signal of determining described common carrier wave is cell reference signals CRS.
18. base station according to claim 17, is characterized in that, described determining unit is further used for:
When the carrier type of described designated carrier is described newtype carrier wave or described common carrier wave, according to the carrier type of described designated carrier, determine that needing the reference signal of measuring is described CSI-RS or described CRS.
19. a user terminal, is characterized in that, comprising:
Receiving element, the measurement task issued for receiving base station, described measurement task is used to indicate described user terminal designated carrier is measured, and described measurement task comprises the reference signal of described designated carrier or the carrier type of described designated carrier;
Measuring unit, determine and need the reference signal of measuring for the measurement task received according to described receiving element, and this reference signal is measured, and obtains the measurement result of described designated carrier;
Transmitting element, be sent to described base station for described measurement result is carried on to measurement report.
20. user terminal according to claim 19, is characterized in that, also comprises determining unit, for:
When described designated carrier is described newtype carrier wave, the channel state information reference signals CSI-RS that the reference signal that determining needs measurement is described newtype carrier wave; And
When described designated carrier is common carrier wave, the reference signal that the reference signal that determining needs measurement is described common carrier wave is cell reference signals CRS.
21. user terminal according to claim 20 is characterized in that:
When described determining unit also is described newtype carrier wave or described common carrier wave for the carrier type when described designated carrier, according to the carrier type of described designated carrier, determine that needing the reference signal of measuring is described CSI-RS or described CRS.
22. a user terminal, is characterized in that, comprising:
Receiving element, the measurement task sent for receiving base station;
Determining unit, determine that for the measurement task received according to described the 3rd receiving element carrier wave to be measured comprises newtype carrier wave and common carrier wave;
Measuring unit, for the cell reference signals CRS that measures described common carrier wave and the channel state information reference signals CSI-RS of described newtype carrier wave, and obtain CRS measurement result and CSI-RS measurement result;
Transmitting element, for:
When the signal quality of the described CSI-RS measured when described the second measuring unit is better than the signal quality of described CRS, described CSI-RS measurement result is sent to described base station; And
When the signal quality of the described CRS measured when described the second measuring unit is better than the signal quality of described CSI-RS, described CRS measurement result is sent to described base station.
23. user terminal according to claim 22, is characterized in that, described transmitting element is further used for:
Send measurement report to described base station, there is described CSI-RS measurement result in described measurement report, and at least one information as follows:
The reference signal of described newtype carrier wave;
The carrier type of described newtype carrier wave;
Perhaps,
Send measurement report to described base station, there is described CRS measurement result in described measurement report, and at least one information as follows:
The reference signal of described common carrier wave;
The carrier type of described common carrier wave.
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| PCT/CN2013/076293 WO2013182001A1 (en) | 2012-06-05 | 2013-05-28 | Carrier measurement method and device |
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| WO2013182001A1 (en) | 2013-12-12 |
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