CN100429956C - Method for realizing public-measurement in multi-frequency point system - Google Patents
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Abstract
The method comprises: adding the information about the frequency point to be measured into the public measurement initiation request message; the drift radio network controller (DRNC) makes measurement at the frequency point appointed by the serving radio network controller (SRNC) through the public measurement initiation request message, and returns the measurement result to the SRNC. Or, with the public measurement initiation request message in current protocol, after DRNC with the multi frequency points receives the message, it makes measurement on all frequency point; and then adding the supplement carrier measurement result information into the public measurement initiation response message and the public measurement report message, and returning it to the SRNC.
Description
Technical field
The present invention relates to the mobile communication technology field, be specifically related to a kind of method that realizes public-measurement in multi-frequency point system.
Background technology
TD-SCDMA (Time Division-Synchronous Code Division Multiple Access) system a kind ofly carries out standardized 3-G (Generation Three mobile communication system) in 3GPP (third generation partner program) tissue, its system architecture as shown in Figure 1:
System is made up of UE (subscriber equipment), UTRAN (wireless access network) part and CN (core net) part.Wherein wireless access network is made up of one or more RNS (RNS), and each RNS comprises that a RNC (radio network controller) and one or more Node B (base station) form.Interface between RNC and the core net is the Iu interface, and the interface between Node B and the RNC is an Iub interface, and the interface that communicates between the RNC is the Iur interface, and the agreement of communicating by letter between above-mentioned interface and the interface thereof all defines in the 3GPP related specifications.
In the initial related specifications, each Node B is defined in a sub-district and only supports a carrier wave, yet because the telephone traffic that single carrier wave can be supported is limited, can not satisfy growing mobile communication requirement.For this reason, introduced the notion of multicarrier in the TD-SCDMA system, promptly a plurality of carrier waves are all supported in each sub-district under Node B, so just can improve the capacity of TD-SCDMA system widely.Yet, because initial system does not predict the influence that brings after this multicarrier is introduced when carrying out system design, therefore when the interacting message that relates between network entity, original agreement and method for message interaction just can not satisfy the demand of multi-carrier TD-SCDMA system.
For example, in present TD-SCDMA system, if when SRNC (Serving RNC) wishes the public resource of DRNC (Drift Radio Network Controller) measured, can initiate the public-measurement initialization procedure at the Iur interface, the message interaction process of this process as shown in Figure 2.SRNC sends COMMON MEASUREMENT INITIATION REQUEST (public-measurement initialization request) message to DRNC as required, and DRNC will initiate corresponding the measurement according to parameter given in the message after receiving this message; If DRNC can initiate the measurement by the SRNC request, it will return COMMONMEASUREMENT INITIATION RESPONSE (public-measurement initialization response) message, otherwise it will return COMMON MEASUREMENT INITIATION FAILURE (public-measurement initialization failure) message.
Because present Iur interface scheme is only at the single-frequency dot system, like this, under the multi-carrier frequency system situation, just can't on assistant carrier frequency, carry out the public-measurement process, make SRNC can't know the resource operating position on the DRNC assistant carrier frequency, influenced corresponding resource allocation scheduling etc., make resource allocation unreasonable with control, can not make full use of the assistant carrier frequency resource of sub-district that DRNC administers, even may cause main carrier frequency resource anxiety and extreme case that the assistant carrier frequency resource is not used, can not give full play to the advantage of multi-carrier frequency system aspect capacity and communication quality.
Summary of the invention
The purpose of this invention is to provide a kind of method that realizes public-measurement in multi-frequency point system, to overcome in the prior art since the Iur interface scheme only at the single-frequency dot system, can't satisfy shortcoming to the measurement of a plurality of carrier frequency resources, in multiple frequency point system, realize striding the demand of RNC public-measurement, the resource of reasonable distribution multi-carrier frequency system is given full play to the advantage of multi-carrier frequency system aspect capacity and communication quality.
For this reason, the invention provides following technical scheme:
A kind of method that realizes public-measurement in multi-frequency point system, described method comprises step:
A, the frequency point information that increase need be measured in public-measurement initialization request message;
B, when needs carry out public-measurement, the public-measurement initialization request message that will be had the frequency point information that needs measure by service wireless network controller SRNC sends to floating radio network controller DRNC;
C, DRNC measure the measurement frequency of appointment, and to SRNC return measurement result.
Described steps A is specially:
In described public-measurement initialization request message, increase and measure the frequency indication information element, in order to the frequency of indication measurement.
Alternatively, described frequency indication information element is an option.
When DRNC supported multifrequency point work, described step to SRNC return measurement result was specially:
Return public-measurement initialization response message or public-measurement report message to SRNC.
When DRNC only supported the work of single-frequency point, described step C comprised:
When not carrying the frequency indication information element in the public-measurement initialization request message, DRNC measures its main carrier frequency frequency, and to SRNC return measurement result;
Have the frequency indication information element in public-measurement initialization request message, and the frequency point information that comprises of frequency indication information element is when being the main carrier frequency frequency, DRNC measures its main carrier frequency frequency, and to SRNC return measurement result;
When having the frequency indication information element in the described public-measurement initialization request message, and the frequency point information that comprises of frequency indication information is when being the assistant carrier frequency frequency, and then DRNC returns failure response to SRNC.
A kind of method that realizes public-measurement in multi-frequency point system, described method comprises step:
A, when needs carry out public-measurement, service wireless network controller SRNC sends public-measurement initialization request message to floating radio network controller DRNC;
The measurement type that b, DRNC are asked according to described public-measurement initialization request message is carried out public-measurement on all carrier frequency of the sub-district of its administration;
C, return public-measurement initialization response message or public-measurement report message, increase the assistant carrier frequency measurement result of assistant carrier frequency measurement result cell in described public-measurement initialization response message or the public-measurement report message in order to indicating cell to SRNC.
By above technical scheme provided by the invention as can be seen, the present invention is by increasing the frequency point information that needs measurement in existing public-measurement initialization request message, this message is sent to corresponding D RNC by the Iur interface, and DRNC can finish measurement to this frequency according to the frequency point information of appointment in this message; Perhaps do not change existing public-measurement initialization request message, after DRNC receives this message, promptly on all carrier frequency of this sub-district, initiate public-measurement, and, the measurement result on all carrier frequency of this sub-district is returned to SRNC by in public-measurement initialization response message and measurement report message, increasing respective secondary carrier frequency measurement object information.As seen, the present invention has made full use of existing Iur interface scheme, for overcoming the shortcoming that existing Iur interface scheme is only applicable to the single-frequency dot system, respectively interactive messages in the public-measurement process is improved, can make the Iur of TD-SCDMA system interface both keep original single-frequency dot system configuration ability of work down, also has simultaneously the ability of under the multiple frequency point system configuration, working, thereby satisfy the demand that realizes striding the RNC public-measurement at multiple frequency point system, make DRNC can make full use of the assistant carrier frequency resource of the sub-district of administering, make the resource allocation of multi-carrier frequency system more reasonable, improved TD-SCDMA entire system performance.
Description of drawings
Fig. 1 is a TD-SCDMA system architecture schematic diagram;
Fig. 2 is that the Iur interface is initiated the initialized message interaction process of public-measurement;
Fig. 3 is the first embodiment realization flow figure of the inventive method;
Fig. 4 is the second embodiment realization flow figure of the inventive method.
Embodiment
Core of the present invention is for multi-carrier frequency system, utilize existing Iur interface, when needs carry out public-measurement, by in existing public-measurement initialization request message, increasing the frequency point information that needs measurement, this message is sent to corresponding D RNC by the Iur interface, DRNC specifies on the frequency in this message and initiates public-measurement, and measurement result is returned to SRNC by existing public-measurement initialization response message and public-measurement report message; Perhaps do not change existing public-measurement initialization request message, after DRNC receives this message, promptly on all carrier frequency of this sub-district, initiate public-measurement, and, the measurement result on all carrier frequency of this sub-district is returned to SRNC by in public-measurement initialization response message and measurement report message, increasing respective secondary carrier frequency measurement object information.
The present technique field personnel know, the RNC that keeps the Iu (interface between UTRAN and the CN) of mobile subscriber and core net to be connected is SRNC, be responsible for that data between core net and the user transmit and the passing on and receive of Iu interface RANAP (Radio Access Network Application Part) signaling, be responsible for carrying out Radio Resource control, be responsible for the data of air interface are carried out the processing of L2 (media access control MAC and Radio Link control RLC) layer, and carry out basic radio resource management operations, as switch decision, the parameter of exterior ring power control and RAB (RAB) is to the conversion of the transport channel parameters of eating dishes without rice or wine etc.DNRC is other RNC beyond the SRNC.They control the sub-district that this mobile subscriber uses, and if desired, DRNC can carry out grand diversity and merge.Unless this user uses Common transport channel, DRNC can not carry out the L2 layer of user face data to be handled, and just the route of passing through the Iur interface of Iub interface data transparency is passed to SNRC.When UE when cross-Iur interface switches, need initiate measurement by SNRC at every performance index of this UE, although make this UE not under the base station under own, SRNC still can carry out efficient radio resource management to it.
In present TD-SCDMA system, if when SRNC wishes the public resource of DRNC measured, need initiate the public-measurement initialization procedure at the Iur interface, the present invention realizes that multiple frequency point system strides the public-measurement of RNC promptly on this basis.
In order to make those skilled in the art person understand the present invention program better, the present invention is described in further detail below in conjunction with drawings and embodiments.
With reference to Fig. 3, Fig. 3 shows the first embodiment realization flow of the inventive method, may further comprise the steps:
Step 301: in public-measurement initialization request message, increase the frequency point information that needs measurement.
At present, the COMMON MEASUREMENT INITIATIONREQUEST message structure of 3GPP TS25.423 regulation is as shown in table 1:
Table 1:
| IE/Group Name | Presence | IE Type and Reference |
| Message Type | M | 9.2.1.40 |
| ... | ... | ... |
| CHOICE Common Measurement Object Type | M | |
| ... | ... | ... |
| ＞＞Neighbouring Cell Measurement Information | ... | ... |
| Common Measurement Type | M | 9.2.1.12C |
| ... | ... | ... |
| Common Measurement Accuracy | O | 9.2.1.12A |
Wherein, " " cell is used for illustrating this type of message to Message Type;
The explanation of " CHOICE Common Measurement Object Type " cell needs to select the public-measurement object type;
" Neighbouring Cell Measurement Information " cell has illustrated the metrical information of adjacent sub-district;
" Common Measurement Type " cell has illustrated the public-measurement type;
" Common Measurement Accuracy " illustrated the accuracy of public-measurement.
Because present Iur interface scheme only at the single-frequency dot system, does not therefore indicate the frequency point information that needs measurement in this message.
In the present invention, in this message, increase the frequency point information that needs measurement,, indicate DRNC and should on which frequency, initiate to measure such as by increasing new cell (frequency indication information element).After DRNC receives this message, can initiate the public-measurement on the indicated frequency of this cell.
For example, be the UARFCN cell with the cell setup that increases newly, then amended message is as shown in table 2 below:
Table 2:
| IE/Group Name | Presence | IE Type and Reference |
| Message Type | M | 9.2.1.40 |
| ... | ... | |
| CHOICE Common Measurement Object Type | M | |
| ... | ... | ... |
| ＞＞Neighbouring Cell Measurement Information | ||
| ＞＞UARFCN | O | 9.2.1.66 |
| Common Measurement Type | M | 9.2.1.12C |
| ... | ... | ... |
| Common Measurement Accuracy | O | 9.2.1.12A |
Identical in each table 1 of definition of other cells in the table 2, be not described in detail in this.
In order to make the Iur interface both keep original single-frequency dot system configuration ability of work down, have the ability of under the multiple frequency point system configuration, working simultaneously again, can be option with the UARFCN cell setup.Be not with this cell in this message, think that then SRNC only supports the single-frequency point.
Step 302: when needs carried out public-measurement, the public-measurement initialization request message that will be had the frequency point information of needs measurement by SRNC sent to DRNC.
Step 303:DRNC measures the measurement frequency of appointment, and to SRNC return measurement result.
If in public-measurement initialization request message, comprised the UARFCN cell, and DRNC only supports under the situation of single-frequency point, if the frequency point information that comprises is the main carrier frequency frequency of sub-district, and the then DRNC response of succeeding, if the frequency point information that comprises is the assistant carrier frequency frequency, then DRNC does failure response.
The present technique field personnel know, if the cell " ReportCharacteristics " in the public-measurement initialization request message (this element definitions the mode of measurement report) is arranged to " On Demand " (once request immediate-response mode) or " On Modification " (alter mode), then need DRNC to report institute's information requested at once, in COMMON MEASUREMENT INITIATION RESPONSE (public-measurement initialization response) message, carry corresponding measurement result; Otherwise need in COMMONMEASUREMENT REPORT (public-measurement report message), carry measurement result.
DRNC measures on the frequency of appointment, by public-measurement initialization response message or public-measurement report message the measurement result of the frequency of indication is returned to SRNC according to the indication in the public-measurement initialization request message.
As seen, this embodiment only needs to increase optional frequency indication information element in public-measurement initialization request message, indicates DRNC and should initiate to measure on which frequency, can realize striding the public-measurement of RNC in multiple frequency point system.This scheme realizes simple, and compatible single-frequency dot system and multiple frequency point system.
With reference to Fig. 4, Fig. 4 shows the second embodiment realization flow of the inventive method, may further comprise the steps:
Step 401: when needs carried out public-measurement, SRNC sent public-measurement initialization request message to DRNC.
In this embodiment, use existing public-measurement initialization request message.
The measurement type that step 402:DRNC is asked according to public-measurement initialization request message is carried out public-measurement on all carrier frequency of this sub-district.
Because present Iur interface scheme only at the single-frequency dot system, does not indicate the frequency point information that needs measurement in this message.For multi-carrier frequency system, comprise main carrier frequency and one or more assistant carrier frequency that does not carry Primary Common Control Physical Channel of a carrying Primary Common Control Physical Channel.To supporting the sub-district of multifrequency point, there is and has only a main carrier frequency.In order reasonably to carry out RRM, make full use of the assistant carrier frequency resource of sub-district that DRNC administers, SRNC not only will be known the resource operating position on the DRNC main carrier frequency, also needs to understand the resource operating position on the DRNC assistant carrier frequency.
Therefore, in the present invention,, after DRNC receives this message, it is defaulted as and need initiates public-measurement on all carrier frequency of this sub-district for multiple frequency point system.At ask to measure type, promptly " Common Measurement Type " specified information of cell in the message is initiated public-measurement on all carrier frequency of this sub-district.
Step 403: to SRNC return measurement result.
The COMMON MEASUREMENT INITIATIONRESPONSE message structure of 3GPP TS25.423 regulation is as shown in table 3 at present:
Table 3:
| IE/Group Name | Presence | IE Type and Reference |
| Message Type | M | 9.2.1.40 |
| ... | ... | ... |
| CHOICE Common Measurement Object Type | O | |
| ... | ... | ... |
| ＞＞Common Measurement value | M | |
| SFN | O | 9.2.1.52A |
| ... | ... | ... |
| Common Measurement Achieved Accuracy | O | 9.2.1.12A |
Wherein, " SFN " cell has illustrated the time reference of public-measurement;
" Common Measurement value " cell has illustrated public-measurement numerical value;
" Common Measurement Achieved Accuracy " cell has illustrated the accuracy that public-measurement reaches.
The COMMON MEASUREMENT REPORT message structure of 3GPP TS25.423 regulation is as shown in table 4 at present:
In this embodiment, with the measurement result of " Common Measurement ValueInformation " cell note in above-mentioned two kinds of return messages for expression sub-district main carrier frequency.For the public metrical information with the assistant carrier frequency of sub-district feeds back to SRNC, in these two kinds of message, increase assistant carrier frequency measurement result information simultaneously.Such as, increase " Common Measurement value for Secondary frequencies " cell, make this cell comprise the measurement result of all minor carriers.
Table 5 shows amended COMMON MEASUREMENT INITIATIONRESPONSE message format:
Table 5:
Table 6 shows amended COMMON MEASUREMENT REPORT message format:
Table 6:
| IE/Group Name | Presence | IE Type and Reference |
| Message Type | M | 9.2.1.40 |
| ... | ... | ... |
| CHOICE Common Measurement Object Type | M | |
| ... | ... | ... |
| ＞＞Common Measurement value | M | 9.2.1.12D Note1 |
| ＞＞Common Measurement value for Secondary frequencies | Note2 | |
| ＞＞Common Measurement value | M | 9.2.1.12D Note3 |
| SFN | O | 9.2.1.52A |
Wherein,
Note1: at the public measured value of main carrier frequency.
Note2: be applied in the multi-carrier frequency system of 1.28Mcps TDD and the public-measurement type of request and do not comprise " the UTRAN GPS sub-district frame in the UE location regularly " or " SFN is to the observed time difference of SFN ".
Note3: at the public measured value of minor carrier.
Above-mentioned public-measurement initialization response message and the public-measurement report message that has the assistant carrier frequency measurement result sent to SRNC, SRNC can reasonably distribute the resource of multi-carrier frequency system according to these measurement results, make DRNC can make full use of the assistant carrier frequency resource of the sub-district of administering, thereby improve the multi-carrier frequency system overall performance.
Though described the present invention by embodiment, those of ordinary skills know, the present invention has many distortion and variation and do not break away from spirit of the present invention, wish that appended claim comprises these distortion and variation and do not break away from spirit of the present invention.
Claims (6)
1, a kind of method that realizes public-measurement in multi-frequency point system is characterized in that, described method comprises step:
A, the frequency point information that increase need be measured in public-measurement initialization request message;
B, when needs carry out public-measurement, the public-measurement initialization request message that will be had the frequency point information that needs measure by service wireless network controller SRNC sends to floating radio network controller DRNC;
C, DRNC measure the measurement frequency of appointment, and to SRNC return measurement result.
2, method according to claim 1 is characterized in that, described steps A is specially:
In described public-measurement initialization request message, increase and measure the frequency indication information element, in order to the frequency of indication measurement.
3, method according to claim 2 is characterized in that, described frequency indication information element is an option.
4, method according to claim 2 is characterized in that, when DRNC supported multifrequency point work, described step to SRNC return measurement result was specially:
Return public-measurement initialization response message or public-measurement report message to SRNC.
5, method according to claim 3 is characterized in that, when DRNC only supported the work of single-frequency point, described step C comprised:
When not carrying the frequency indication information element in the public-measurement initialization request message, DRNC measures its main carrier frequency frequency, and to SRNC return measurement result;
Have the frequency indication information element in public-measurement initialization request message, and the frequency point information that comprises of frequency indication information element is when being the main carrier frequency frequency, DRNC measures its main carrier frequency frequency, and to SRNC return measurement result;
When having the frequency indication information element in the described public-measurement initialization request message, and the frequency point information that comprises of frequency indication information is when being the assistant carrier frequency frequency, and then DRNC returns failure response to SRNC.
6, a kind of method that realizes public-measurement in multi-frequency point system is characterized in that, described method comprises step:
A, when needs carry out public-measurement, service wireless network controller SRNC sends public-measurement initialization request message to floating radio network controller DRNC;
The measurement type that b, DRNC are asked according to described public-measurement initialization request message is carried out public-measurement on all carrier frequency of the sub-district of its administration;
C, return public-measurement initialization response message or public-measurement report message, increase the assistant carrier frequency measurement result of assistant carrier frequency measurement result cell in described public-measurement initialization response message or the public-measurement report message in order to indicating cell to SRNC.
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| CN100442900C (en) * | 2005-08-01 | 2008-12-10 | 上海原动力通信科技有限公司 | Method for realizing public measuring of multi-frequency point |
| CN101188552B (en) * | 2007-03-21 | 2011-05-25 | 中兴通讯股份有限公司 | Method and device for reporting cell support capability for downlink high-rank modulation |
| CN101188551B (en) * | 2007-03-21 | 2010-12-08 | 中兴通讯股份有限公司 | Method and device for reporting cell non support for uplink high-rank modulation |
| WO2009079831A1 (en) * | 2007-12-18 | 2009-07-02 | Zte Corporation | Method for measuring angle of arrival of a user equipment |
| CN101790200B (en) | 2009-01-23 | 2013-04-24 | 华为技术有限公司 | Method, device and system for managing uplink carrier frequencies |
| CN104053181B (en) * | 2014-06-20 | 2017-10-03 | 大唐移动通信设备有限公司 | The report method and device of a kind of public-measurement report |
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| CN1531827A (en) * | 2001-05-17 | 2004-09-22 | ��˹��ŵ�� | Radio resource management optimization for jamming control of interfaces between wireless network controllers in mobile communication system |
| KR20040089937A (en) * | 2003-04-15 | 2004-10-22 | 삼성전자주식회사 | Method for renovating random access effectively in a mobile telecommunication system |
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Address after: 100083 No. 40, Haidian District, Beijing, Xueyuan Road Patentee after: CHINA ACADEMY OF TELECOMMUNICATIONS TECHNOLOGY Address before: 100083 No. 40, Haidian District, Beijing, Xueyuan Road Patentee before: CHINA ACADEMY OF TELECOMMUNICATIONS TECHNOLOGY |
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