CN101127749A - A relevant measurement method for same frequency and different frequency in multi-carrier wireless communication system - Google Patents
A relevant measurement method for same frequency and different frequency in multi-carrier wireless communication system Download PDFInfo
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Abstract
The utility model discloses a measurement method for same frequency and pilot frequency in a multi-carrier wave wireless communication system, comprising the following steps: a new measure series are added in the measure control information, in the measure series, a plurality of measure cells are identified by the main carrier frequency and the Cell Parameter ID. The measure series comprises a P-CCPCH RSCP measurement entity and a ISCP measurement entity of a user terminal based on the neighborhood relation. The utility model has advantages of providing a measurement method for a multi-carrier frequency system serving cell and neighborhood P-CCPCH RSCP and ISCP, eliminating the polysemy of the prior same frequency or pilot frequency, meanwhile furthest being compatible with the content of 3GPP and CCSA on protocol and concept definition.
Description
Technical field
The present invention relates to wireless communication technology field, be specifically related in the multi-carrier wireless communications system with frequency and alien frequencies relevant measurement method.
Background technology
At carrier time division one synchronous code division multiple access (TD-SCDMA, Time-DivisionSynchronization Code Division Multiple Access) in the system, the definition and the single-frequency dot system of common frequency measurement (Intra-frequency Measurements) and different-frequency measure (Inter-frequencyMeasurements) have a great difference.In single-carrier system, carrier wave and sub-district are one to one, and the carrier of the main body of communication resource actual bearer and measurement resource is all at same carrier frequency like this.The difference of same frequency and alien frequencies is not only based on cell level, and frequency is mutual exclusion with alien-frequency district together, that is to say that the sub-district in the co-frequency cell will not belong to alien-frequency district.Therefore, co-frequency cell and alien-frequency district can not cause and obscure in the single-carrier system.
Introduced the notion of main carrier (primary carrier), auxilliary carrier wave (secondary carrier) in the multi-carrier TD-SCDMA, regulation is only carried Primary Common Control Physical Channel (P-CCPCH on main carrier simultaneously, Primary Common Control Physical Channel), make relevant measuring amount be fixed on this cell main carrier.This regulation is limited in P-CCPCH received signal code power (RSCP, Received Signal Code Power) on the main carrier of this sub-district.Simultaneously, multicarrier designing requirement according to the CCSA V1 of CCSA, user terminal UE is at same frequency receiving and transmitting signal, in this case, a large amount of UE carry out the transmitting-receiving of signal on the auxilliary carrier wave of Serving cell, and measure main body (RSCP) with the different main carrier of working frequency points on, like this as long as carry out the measurement of being correlated with, will have the relation of alien frequencies in this sub-district.Further be, if it is according to air protocol, this definite based on the main carrier of measuring this sub-district of main body and adjacent area with frequency and alien frequencies relation; On the other hand, according to communication mechanism, described relation is determined based on operating frequency and measuring frequency.Above-mentioned two kinds of different definite modes will cause confusion.For example, be operated in situation on the auxilliary carrier wave when user terminal.If from the main body of communication should be that the current working frequency points and the frequency of adjacent area carry out.So, have the same frequency alien frequencies relation of two kinds of different implications between unified physically Serving cell and the adjacent area.Typically, be with relation frequently as: the main carrier of Serving cell and adjacent area, must be working frequency points and the adjacent area main carrier alien frequencies of user terminal UE at Serving cell; Otherwise the main carrier of Serving cell and adjacent area is the alien frequencies relation, and user terminal UE may be with frequently at the working frequency points and the adjacent area main carrier of Serving cell.Obviously the frequency proximity relations has ambiguity.Be unfavorable for like this with frequently and the different-frequency measure understanding one actual realization of making peace.Insert (MC-HSDPA in the multi carrier wave high-speed downlink grouped data, MultiCarrier-High Speed DownloadPacket Access) in the TD-SCDMA system, user terminal UE can have a plurality of working frequency points, existing based on single-carrier system same frequency and different-frequency measure can't adaptive system new variation.
And in multicarrier system, no matter user terminal UE is operated in the still auxilliary carrier wave of main carrier, and the information of Serving cell all fills in the common frequency measurement list object, up to the present still adopts this method.
When UE is operated in auxilliary carrier wave,, so according to the method, service cell information is filled up in the common frequency measurement list object, in the hope of the RSCP on the UE energy measurement Serving cell dominant frequency point if network terminal needs UE to measure the RSCP value of Serving cell.But, the information that is used for the discriminating measurement object in the common frequency measurement list object has only parameter ID, because in multicarrier system, identical situation may appear in parameter ID in the common frequency measurement list object, adding does not have frequency point information, therefore may cause UE to can not determine the problem of measuring object information.Even UE can determine measuring object by other approach, what in fact carry out also is different-frequency measure, therefore causes with frequency, different-frequency measure and distinguishes unsharp problem.
Summary of the invention
In view of this, the object of the present invention is to provide in a kind of multi-carrier wireless communications system with frequently and the alien frequencies relevant measurement method, eliminating with frequently or the ambiguity that concerns of alien frequencies, thus the new variation of adaptive system.
According to comprising with frequency and alien frequencies relevant measurement method in a kind of multi-carrier wireless communications system provided by the invention:
In measuring control MEASUREMENT CONTROL message, increase new measurement series, and measure in the series, with main carrier frequency and cell ID Cell Parameter ID discriminating measurement sub-district at this.
Described measurement series comprises that P-CCPCH RSCP and the ISCP based on the user terminal of neighboring BS relationship measures entity.
For Serving cell working frequency points or the adjacent area carrier frequency measurement ISCP identical with the Serving cell frequency.
Comprise in the described measurement series:
Multicarrier measuring object tabulation Multi-carrier measurement objects list, multicarrier measuring amount Multi-carrier measurement quantity, multicarrier measurement report criterion Multi-carrier measurement reporting criteria.
Described multicarrier measuring object tabulation Multi-carrier measurement objects list is that multicarrier is measured cell information tabulation Multi-carrier cell info list, determines to measure the sub-district by sub-district main carrier frequency and cell parameter ID in this tabulation.
Described multicarrier measuring amount Multi-carrier measurement quantity comprises: sub-district main carrier frequency RSCP, Pathloss, Timeslot ISCP.
The measurement of described increase series event report criterion comprises: multicarrier incident Multi-carrierevent identity is Event Oa-Event Of and Oh, Oi incident.
Ground preferably, described all local area/nearby region measurements, cycle and event report report by different-frequency measure reporting mechanism tissue.
In sum, the present invention is by on 3GPP and the original Fundamentals of Measurement of eating dishes without rice or wine of CCSA, measuring the new measurement series amount of control (MEASUREMENT CONTROL) message and Measurement and Control System information (Measurementcontrol system information) increase respectively, in this measurement series, with main carrier frequency and cell ID Cell Parameter ID discriminating measurement sub-district, do not distinguishing with realizing with frequency and different-frequency measure frequently or under the situation of alien frequencies neighboring BS relationship.The invention provides the P-CCPCH RSCP and the ISCP measurement mechanism of multi-carrier frequency system Serving cell and adjacent area, eliminated original in frequently or the ambiguity of alien frequencies relation, the content of at utmost compatible 3GPP and CCSA on agreement and concept definition simultaneously.
Description of drawings
Fig. 1 (a) and 1 (b) are for measuring control basic process schematic diagram.
Embodiment
Core concept of the present invention is in view of having ambiguity with frequency with different-frequency measure under the existing multicarrier situation, according to main carrier frequency and cell ID (Cell Parameter ID) Differentiated Services sub-district and neighbor cell thereof, by on 3GPP and the original Fundamentals of Measurement of eating dishes without rice or wine of CCSA, measuring the new measurement series amount of control (MEASUREMENT CONTROL) message and Measurement and Control System information (Measurement controlsystem information) increase respectively, in this measurement series, with main carrier frequency and cell ID Cell Parameter ID discriminating measurement sub-district, do not distinguishing with realizing with frequency and different-frequency measure frequently or under the situation of alien frequencies neighboring BS relationship.
For making technical scheme of the present invention and characteristic clearer, the present invention is further described below in conjunction with relevant form.
The purpose of measuring control procedure is a measurement among foundation, modification or the release UE, measures control basic process shown in Fig. 1 (a) and l (b):
UTRAN can and/or send MEASUREMENT CONTROL message by system message broadcasting and control measurement among the UE.
Following information is used for controlling UE and measures and measurement report:
1. measure sign: the Ref. No. that UTRAN need use when foundation, modification or release are measured, and the Ref. No. that UE need use in measurement report.
2. measuring command: one of three kinds of different measuring command.
-set up: set up a new measurement.
-revise: revise a measurement of previous definition, such as, change the report rule.
-discharge: stop one and measure and remove all information relevant among the UE with this measurement.
3. measurement type: a kind of in the following multiple measurement type, measure type specification UE what should be measured.
Whether the appearance of following control information depends on the measurement type.
4. which object measuring object: UE should measure measuring amount at, and measuring object information.
5. the amount that should measure of measuring amount: UE about measuring object.It also comprises the screening of measurement.
6. report amount: except those the amounts that must report at particular event, the amount that UE also should comprise in report.
7. measurement report rule: the triggering mode of measurement report, such as the report of periodic report or Event triggered.
8. measurement validity: it is effective having defined UE this measurement under which state.
9. measurement report pattern: it has described UE should or should transmit this measurement report with UM RLC with AM RLC.
10. the additional sign of measuring: the reference of a series of other measurements.When this measurement triggering a measurement report, UE also should comprise this additional report amount of measuring the measurement of sign institute reference.
All these measurement parameters depend on the measurement type, and various measurement type is:
-common frequency measurement: to the measurement of the down physical channel of current area same frequency.A measuring object is corresponding to a sub-district.
-different-frequency measure: to the current area different frequency on the measurement of down physical channel.A measuring object is corresponding to a sub-district.
-RAT measurements: to the measurement of the down physical channel that belongs to non-UTRAN (such as GSM) wireless access technology.A measuring object is corresponding to a sub-district.
-measuring business volume: to the measurement of uplink traffic.A measuring object is corresponding to a sub-district.
-mass measurement: to the measurement of downlink quality parameter, such as, the downlink transmission block Block Error Rate.A measuring object is corresponding to the BLER on the transmission channel.Measuring object is corresponding to the SIR of a time slot.
-UE internal measurement: to the measurement of " UE transmitting power and UE received signal level ".
-UE location survey: to the measurement of UE position.
Overloading is measured frequently: come the discriminating measurement object with sub-district main carrier frequency and cell parameter ID in such is measured, and defined measuring amount and the measurement report criterion (reference table 2) corresponding with such measurement.The class that scheme provided by the invention increases newly is measured.
Define indefinite problem in order to solve in the multi-carrier frequency system with frequency, alien frequencies, technical scheme provided by the invention increases the new measurement series-Multi-Carrier measurement (grey color part in the table 1) of a class in measuring control (MEASUREMENT CONTROL), in this measurement series, with main carrier frequency and Cell Parameter ID discriminating measurement sub-district, new measurement control messages is as shown in table 1: MEASUREMENT CONTROL (table 1)
Table 1
| Information Element/ Group name | Need | Multi | Type and reference | Semantics description |
| Message Type | MP | Message Type | ||
| UE information elements | ||||
| RRC transaction identifier | MP | RRC transaction identifier 10.3.3.36 | ||
| Integrity check info | CH | Integrity check info 10.3.3.16 | ||
| Measurement Information elements | ||||
| Measurement Identity | MP | Measurement Identity 10.3.7.48 |
The cited multicarrier of table 2 is measured each information element (IE among the serial Multi-Carrier measurement, Information Element) particular content, the information element IE that coats grey is the newly-increased IE of Multi-Carrier measurement correspondence, in order to save the description length, other parts IE directly quotes the section number in " 2GHz TD-SCDMA digital mobile cellular telecommunication net height speed downlink grouped inserts the specification requirement of (HSDPA)-Uu interface rrc layer ", the implication of corresponding IE and describe and this is consistent.
Multi-Carrier measurement (table 2)
Table 2
Multi-carrier cell info list (table 3)
Table 3
Multi-carrier measurement quantity (table 4)
Table 4
| Information Element/Group name | Need | Multi | Type and reference | Semantics description |
| Filter coefficient | MP | Filter coefficient 10.3.7.9 | ||
| CHOICE mode | MP | |||
| ＞FDD | ||||
| ＞＞Measurement quantity | MP | Enumerated( CPICH Ec/NO， CPICH RSCP， Pathloss) | ||
| ＞TDD | ||||
| ＞＞Measurement quantity list | MP | 1to 4 | ||
| ＞＞＞Measurement quantity | MP | Enumerated( Primary CCPCH RSCP， Pathloss， Timeslot ISCP) |
Multi-carrier measurement reporting criteria
Event Oa: the best cell based on main carrier frequency PCCPCH RSCP intensity changes (Change ofbest cell in TDD).
Event Ob: be lower than some thresholdings and other cell quality are higher than a thresholding based on the Serving cell quality of main carrier frequency PCCPCH RSCP intensity.(The estimated quality of thecurrently used frequency is below a certain threshold and theestimated quality of a non-used frequency is above a certainthreshold.)
Event Oc: the non-service cell quality based on main carrier frequency PCCPCH RSCP intensity is higher than some thresholdings.(The estimated quality of a non-used frequency is above a certainthreshold.)
Event Od: the Serving cell quality based on main carrier frequency PCCPCH RSCP intensity is lower than some thresholdings.(The estimated quality of the currently used frequency is belowa certain threshold.)
Event Oe: the non-service cell quality based on main carrier frequency PCCPCH RSCP intensity is lower than some thresholdings.(The estimated quality of a non-used frequency is below a certainthreshold.)
Event Of: the Serving cell quality based on main carrier frequency PCCPCH RSCP intensity is higher than some thresholdings.(The estimated quality of the currently used frequency is abovea certain threshold.)
Event Oh: time slot ISCP is lower than some thresholdings.(Timeslot ISCP below a certainthreshold(TDD only).)
Event Oi: time slot ISCP is higher than some thresholdings.(Timeslot ISCP above a certainthreshold(TDD only).)
Table 5
| Information Element/Group name | Need | Multi | Type and reference | Semantics description | Version |
| Parameters required for each event | OP | 1to 〈maxMe asEvent 〉 | |||
| ＞Multi-carrier event identity | MP | Multi-carri er event identity | |||
| ＞Threshold used cell | CV-clau se0 | Integer(-1 15..0) | Ranges used depend on measurement quantity. CPICH/Primary CCPCH RSCP-115..-25dBm | ||
| ＞DeltaThreshold used cell | CV-clau se3 | Integer(-5 ..-1) | If present，the actual value of Threshold used cell＝Threshold used cell+DeltaThreshold used cell | REL-5 | |
| ＞W used cell | CV-clau se2 | Real(0， 0.1..2.0 by step of 0.1) | |||
| ＞Hysteresis | MP | Real(0， 0.5..14.5 by step of 0.5) | In event Oa，Ob，Oc，Od， Oe，Of | ||
| ＞Time to trigger | MP | Time to trigger 10.3.7.64 | Indicates the period of time during which the event condition has to be satisfied，before sending a Measurement Report. Time in ms. | ||
| ＞Reporting cell status | OP | Reporting cell status 10.3.7.61 | |||
| ＞Parameters required for each non-used cell | OP | 1to 〈maxFr eq〉 | In this release，the first listed threshold and W parameter shall apply to all non-used cells | ||
| ＞＞Threshold non used cell | CV-clau se1 | Integer(-1 15..0) | Ranges used depend on measurement quantity. CPICH/Primary CCPCH RSCP-115..-25dBm. This IE is not needed if the IE″Multi-carrier event identity″is set to Oa. | ||
| ＞＞DeltaThreshold non used cell | CV-clau se4 | Integer(-5 ..-1) | If present，the actual value of Threshold non used frequency＝ Threshold non used cell +DeltaThreshold non used cell | REL-5 | |
| ＞＞W non-used cell | CV-claus e1 | Real(0， 0.1..2.0 |
| Information Element/Group name | Need | Multi | Type and reference | Semantics description | Version |
| by step of 0.1) |
Table 6
| Condition | Explanation |
| Clause 0 | When " Multi-carrier event identity " is Ob, Od, during Of, this IE must occur, and need not use this IE under other situations. |
| Clause 1 | When " Multi-carrier event identity " is Oa, Ob, Oc, during Oe, this IE must occur, and need not use this IE under other situations. |
| Clause 2 | When " Multi-carrier event identity " is Oa, Ob, Od, during Of, this IE must occur, and need not use this IE under other situations. |
| Clause 3 | When " Multi-carrier event identity " is Ob, Od, Of and threshold value be lower than-and during 115dBm, this IE must occur, and need not use this IE under other situations. |
| Clause 4 | When " Multi-carrier event identity " is Oa, Ob, Oc, Oe and threshold value be lower than-and during 115dBm, this IE must occur, and need not use this IE under other situations |
Multi-carrier event identity
Table 7
| Information Element/ Group name | Need | Multi | Type and reference | Semantics description |
| Multi-carrier event identity | MP | Enumerated(Oa，Ob， Oc，Od，Oe Of，Oh，Oi) | Seven spare values are needed. |
More than enumerate multicarrier and measured the particular content of serial Multi-Carrier measurement, in addition, in system message is also to need corresponding adding multicarrier to measure serial Multi-Carriermeasurement (grey color part in the table 8) in the Measurement and Control System information (Measurement control systeminformation), as shown in table 8.
Measurement control system information
Table 8
Do not distinguish P-CCPCH RSCP, path loss Pathloss and the signal code power interference ISCP (Interferenceon Signal Code Power) that obtains UE with the metering system of frequency or alien frequencies neighboring BS relationship according to employing of the present invention.Step is as follows:
On 3GPP and the original Fundamentals of Measurement of eating dishes without rice or wine of CCSA, append a new measurement series: directly P-CCPCH RSCP and the ISCP based on the UE of neighboring BS relationship measures entity, adjacent area organizational form during this is measured, do not organize, but directly accept the physics adjacent area sequence that network sends with any same frequency or alien frequencies mode.Directly distinguish between the adjacent area with main carrier frequency frequency and sub-district Cell Parameter ID.
Measuring amount is applied to all sub-districts, comprises Serving cell and adjacent area, can measure P-CCPCHRSCP and path loss Pathloss; At Serving cell working frequency points or the adjacent area carrier frequency measurement ISCP identical,, allow to measure the Timeslot ISCP on each working frequency points if use a plurality of frequencies simultaneously with the Serving cell frequency.
New measurement series permission cycle and event report.The cycle operation of report is identical with present protocol form.Adopt identical type definition and the process of different-frequency measure 2A ~ 2F incident among present 3GPP and the CCSA for P-CCPCH RSCP event report form.Then adopt common frequency measurement 1H and similar type definition of 1I and process among present 3GPP and the CCSA for ISCP.
This measurement series suggestion removes and also can be used in other multi-carrier frequency systems in the TD-STDMA system.
Owing to can carry common frequency measurement amount and report amount in the different-frequency measure,, also all local area/nearby region measurements all can be sent with different-frequency measure control for this reason, each is measured the sub-district, use dominant frequency point and the unique differentiation of CellParameter ID.All cycle and event reports all report by different-frequency measure reporting.
Measure among the information element New cells IE of the multi-carrier district information list Multi-carrier cell info list among the serial Multi-Carrier measurement at multicarrier, provide a plurality of frequency point information of adjacent sub-district or this sub-district simultaneously, increase new IE " Frequency Number " (grey color part in the table 9) and can utilize this information to transmit once to finish a plurality of frequencies notices, to have accelerated processing speed, detailed modification sees Table 9.
Table 9
In addition, in the Mc-HSDPA system, also can according to some criterion determine working frequency points (such as with the working frequency points of following DCH as working frequency points), measure according to following agreement then:
1. in the alien frequencies tabulation, require in the measurement control messages P-CCPCHRSCP of all dominant frequency alien frequencies adjacent areas is measured.
2. in tabulation frequently, require in the measurement control messages P-CCPCHRSCP of all dominant frequency homogeneous-frequency adjacent-domains is measured and Path loss.
3. measure control messages according to the working frequency points order transmission of (or adding frequency point information) from low to high and require to measure Timeslot ISCP.
The above is preferred embodiment of the present invention only, is not to be used to limit protection scope of the present invention.All any modifications of being done within the spirit and principles in the present invention, be equal to replacement, improvement etc., all be included in protection scope of the present invention.
Claims (8)
- In the multi-carrier wireless communications system with frequently and the alien frequencies relevant measurement method, it is characterized in that, comprising:In measuring control MEASUREMENT CONTROL message, increase new measurement series, and measure in the series, with main carrier frequency and cell ID Cell Parameter ID discriminating measurement sub-district at this.
- 2. the method for claim 1 is characterized in that, described measurement series comprises that P-CCPCH RSCP and the ISCP based on the user terminal of neighboring BS relationship measures entity.
- 3. the method for claim 1 is characterized in that, for Serving cell working frequency points or the adjacent area carrier frequency measurement ISCP identical with the Serving cell frequency.
- 4. the method for claim 1 is characterized in that, comprises in the described measurement series:Multicarrier measuring object tabulation Multi-carrier measurement objects list, multicarrier measuring amount Multi-carrier measurement quantity, multicarrier measurement report criterion Multi-carrier measurement reporting criteria.
- 5. the method for claim 1 is characterized in that,Described multicarrier measuring object tabulation Multi-carrier measurement objects list is that multicarrier is measured cell information tabulation Multi-carrier cell info list, determines to measure the sub-district by sub-district main carrier frequency and cell parameter ID in this tabulation.
- 6. method as claimed in claim 4 is characterized in that,Described multicarrier measuring amount Multi-carrier measurement quantity comprises: sub-district main carrier frequency RSCP, Pathloss, Timeslot ISCP.
- 7. method as claimed in claim 4 is characterized in that,The measurement of described increase series event report criterion comprises: multicarrier incident Multi-carrierevent identity is Event Oa-Event Of and Oh, Oi incident.
- 8. the method for claim 1 is characterized in that, described all local area/nearby region measurements, cycle and event report report by different-frequency measure reporting mechanism tissue.
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| WO2012094964A1 (en) * | 2011-01-11 | 2012-07-19 | 华为技术有限公司 | Control method, device and system of multicarrier measurement |
| CN102595439A (en) * | 2011-01-11 | 2012-07-18 | 华为技术有限公司 | Multicarrier measurement control method, device and system |
| CN103313297A (en) * | 2012-03-06 | 2013-09-18 | 马维尔国际有限公司 | Measuring method and device for TD-SCDMA DLDC communication system |
| CN104137593A (en) * | 2012-07-10 | 2014-11-05 | 华为技术有限公司 | Inter-frequency measurement method, user equipment, and radio network controller |
| CN104137593B (en) * | 2012-07-10 | 2017-12-15 | 华为技术有限公司 | Method, user equipment and the radio network controller of different-frequency measure |
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