CN100531465C - Measuring combination control method for use between WCDMA system IF and between system - Google Patents
Measuring combination control method for use between WCDMA system IF and between system Download PDFInfo
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- CN100531465C CN100531465C CNB2005101093413A CN200510109341A CN100531465C CN 100531465 C CN100531465 C CN 100531465C CN B2005101093413 A CNB2005101093413 A CN B2005101093413A CN 200510109341 A CN200510109341 A CN 200510109341A CN 100531465 C CN100531465 C CN 100531465C
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Abstract
The invention discloses an inter-medium frequency and intersystem measurement combined controlling method in WCDMA system, comprising the steps of: according to user equipment activated adjacent region configuration contidions, wireless network controller determines whether to need to start up interfrequency measurement: if need be, determining measurement event at least comprises 2E event; if user equipment reports 2E event and different-frequency measurement is based on compression mode, wireless network controller sends interfrequency measurement control to close the interfrequency measurement and further determines whether to need to start up intersystem measurement: if need be, determining measurement event at least comprises 3B event; if user equipment reports 3B event and different-frequency measurement is based on compression mode, wireless network controller sends intersystem measurement control to close the intersystem measurement. And it can avoids invalid measurement and combine interfrequency and intersystem measurement, improving measuring validity and effectively improving the whole operating performance of the communication system.
Description
Technical field
The present invention relates to mobile communication system, especially relate between a kind of WCDMA (Wideband Code Division Multiple Access (WCDMA)) system intermediate frequency and system's measurements combination control method.
Background technology
The WCDMA system supports profuse measurement kind, wherein relevant with switching mainly contains three kinds, be respectively the measurement of co-frequency cell, the measurement of alien-frequency district and the measurement of different system cell, these measurements are in UE (subscriber equipment) carries out frequently, between frequency and the basis of switching between system.The WCDMA system, may adopt a plurality of carrier frequency to form multilayer and cover for improving power system capacity at the intensive hot zones of some users; Yet the WCDMA network but is difficult in the short time and built-inly is set as covering complete as the GSM network, therefore must utilize switching to gsm system to remedy the coverage hole of WCDMA system.
In the UE moving process, because the increase of number of users in the variation of surrounding environment or the current use carrier frequency, all might cause the communication quality of this UE to worsen, only can not satisfy the requirement of UE well to communication quality by frequently interior soft handover, therefore, need carry out between frequency switching between direct-cut operation or system and obtain better communication quality.Before between implementing frequently, switching between direct-cut operation or system, need carry out comprehensive assessment to the signal quality of each different carrier frequency, and these two kinds of measurements generally need just can be carried out by opening compact model, and the unlatching of compact model can increase the load of sub-district, and the capacity of sub-district is caused bad influence; Similarly, because UE is subject to volume and battery capacity, also be a very urgent problem so reduce the power consumption of UE.Do not influencing under the prerequisite that handoff functionality carries out, reducing all kinds of and the opening times of switching measurement of correlation as much as possible, all can play useful effect network and UE, especially should avoid to UE open simultaneously based on compact model frequently between and system's measurements.
Have the system's measurements of some WCDMA systems and the method for switching at present both at home and abroad, as Chinese patent specification " a kind of inter-system switching method " (application number: 01144933.0, Granted publication number: CN1168327C, Granted publication day: on September 22nd, 2004) disclose a kind of inter-system switching method, Chinese patent specification " a kind of frequency hard switchover judging method that is used for broadband CDMA system " (application number: 02136456.7, publication number: CN1474527A, open day: on February 11st, 2004) disclose the switching method between frequencies of a kind of WCDMA of being used for system, all be to determine opening and closing based between the frequency of compact model or system's measurements respectively by measuring current WCDMA district pilots quality of channel, but do not report situation to come closing of control survey control according to Target cell, invalid measurement may occur, reduce systematic function.United States Patent (USP) " Method of WCDMAcoverage based handover triggering " (publication number: 20020187784) and for example, description is based on covering a kind of method of switching, this method is to switch to gsm system by the transmitting power of up-downgoing Radio Link and uplink physical channel signal interference ratio (Signal Interference Rate is called for short SIR) are triggered the WCDMA system.But, no matter be transmitting power or physical channel SIR, all can not in time reflect the Target cell signal strength signal intensity.
Figure 1 shows that RNC (radio network controller) equipment adopts current use carrier frequency to offer the basic procedure that judgement sends inter-frequency measurement control qualitatively in the existing WCDMA system, comprise the steps:
Wherein, the definition of described each incident all comes from 3GPP TS 25.331 agreements, and now related each event definition that comes from this agreement in this specification is made description below: the best carrier frequency of 2A representations of events changes; 2B representations of events working carrier frequency quality is lower than a thresholding and inoperative carrier frequency quality is higher than a thresholding; 2C representations of events inoperative carrier frequency quality is higher than a thresholding; The quality of 2D representations of events work at present carrier frequency is lower than a thresholding; 2E representations of events inoperative carrier frequency quality is lower than a thresholding; The quality of 2F representations of events work at present carrier frequency is higher than a thresholding; The quality that the quality of the current UTRAN of 3A representations of events system is lower than a thresholding and other wireless systems is higher than a thresholding; The quality of other wireless systems of 3B representations of events is lower than a thresholding; The quality of other wireless systems of 3C representations of events is higher than a thresholding.
Figure 2 shows that RNC equipment adopts current use carrier frequency to offer the basic procedure of judgement transmitting system measurements control qualitatively in the existing WCDMA system, comprise the steps:
Know easily that from the above problems of the prior art are that the decision method of employing all reports situation to come closing of control survey control less than the measurement according to Target cell or goal systems, invalid measurement may occur, thereby reduces systematic function; And, frequently between and system's measurements control separate, may cause to subscriber equipment open simultaneously based on compact model frequently between and system's measurements, measure validity thereby reduce, the operation of whole communication system is produced harmful effect.
Summary of the invention
The technical issues that need to address of the present invention provide between a kind of WCDMA system intermediate frequency and system's measurements combination control method, adopt the present invention can avoid invalid measurement, and can will combine with system's measurements between frequency, avoid to subscriber equipment open simultaneously based on compact model frequently between and system's measurements, improve and measure validity, effectively improve the overall operation performance of communication system.
In order to solve the problems of the technologies described above, the invention provides between a kind of WCDMA system intermediate frequency and system's measurements combination control method, adopt Event triggered to report mode, this trigger event comprises that the quality that inoperative carrier frequency quality is lower than a thresholding (2E incident) and other wireless systems is lower than a thresholding (3B incident), it is characterized in that, comprise the steps:
(a1) the neighbor cell configuration situation that activates according to subscriber equipment, radio network controller judges whether to need to start inter-frequency measurement, if need, determine that then measurement event comprises the 2E incident at least, and the alien-frequency district quality monitored, and wait reporting measurement report by user equipment, otherwise execution in step (a3);
(a2) if user equipment to report 2E incident, and different-frequency measure is based on compact model, then radio network controller sends inter-frequency measurement control, close this inter-frequency measurement, and execution in step (a3), otherwise radio network controller carries out normal different-frequency measure reporting handling process;
(a3) the neighbor cell configuration situation that activates according to subscriber equipment, radio network controller judges whether to open system's measurements, if need, determine that then measurement event comprises the 3B incident at least, and different system cell quality monitored, and the wait reporting measurement report by user equipment, otherwise return step (a1);
(a4) if user equipment to report 3B incident, and isosystem measurement is based on compact model, then radio network controller transmitting system measurements control, close this system's measurements, and return step (a1), otherwise radio network controller carries out normal isosystem measurement report handling process.
Further, this method also has following characteristics: the determined measurement event of inter-frequency measurement comprises that also best carrier frequency changes (2A incident), the working carrier frequency quality is lower than a thresholding and inoperative carrier frequency quality is higher than a thresholding (2B incident) or inoperative carrier frequency quality is higher than a thresholding (2C incident) in the described step (a1), can carry out corresponding selection to 2A incident, 2B incident or 2C incident according to actual conditions.
Further, this method also has following characteristics: the determined measurement event of system's measurements comprises that also the quality that quality that the quality of current UTRAN system is lower than a thresholding and other wireless systems is higher than a thresholding (3A incident) or other wireless systems is higher than a thresholding (3C incident), can carry out corresponding selection to 3A incident or 3C incident according to actual conditions in the described step (a3).
Compared with prior art, the present invention has the following advantages:
A, this method are based on Target cell and goal systems reports situation to decide closing of measurement control, can avoid invalid measurement;
B, this method have realized between frequency and the Combination Control of system's measurements, can be in time at wireless environment variation, change measurement target, avoid to UE open simultaneously based on compact model frequently between and system's measurements, improve and measure validity, improve the overall operation performance of 3-G (Generation Three mobile communication system).
Description of drawings
Fig. 1 is that RNC equipment adopts current use carrier frequency quality uploading in the existing WCDMA system, and judgement sends the basic procedure schematic diagram of inter-frequency measurement control;
Fig. 2 is that RNC equipment adopts current use carrier frequency quality uploading in the existing WCDMA system, the basic procedure schematic diagram of judgement transmitting system measurements control;
Fig. 3 is according between WCDMA of the present invention system intermediate frequency and the schematic flow sheet of system's measurements combination control method.
Embodiment
For understanding the present invention in depth, the present invention is described in detail below in conjunction with drawings and the specific embodiments.
The present invention makes full use of between the frequency that the UE Event triggered reports in the WCDMA system and the measurements result of system, in RNC, reported event is in time controlled and adjudicated, thereby whether decision is necessary to close based between the frequency of compact model and system's measurements, thereby reduces the influence to systematic function.In the WCDMA system, use the method for the invention, require between UE equipment support frequently 3B incident between 2E incident and system.
As shown in Figure 3, between WCDMA of the present invention system intermediate frequency and system's measurements combination control method, may further comprise the steps:
In sum, the 3B incident that the present invention utilizes 2E incident that inter-frequency measurement reports and system's measurements to report, will based between the frequency of compact model and system measurements method in conjunction with to realize Combination Control, guarantee the validity that UE equipment is measured based on compact model, the wireless performance index when having guaranteed the 3-G (Generation Three mobile communication system) operation.
In addition, the present invention is equally applicable in the 3-G (Generation Three mobile communication system) between all frequencies that relate to compact model and the various flow processs of system's measurements, and guarantees the correctness of relevant miscellaneous service flow process, has improved the overall operation performance of 3-G (Generation Three mobile communication system).
Above embodiment only is used to illustrate the present invention, but not is used to limit the present invention.
Claims (6)
1, between a kind of WCDMA system intermediate frequency and system's measurements combination control method, adopt Event triggered to report mode, this trigger event comprises that the quality that inoperative carrier frequency quality is lower than a thresholding and other wireless systems is lower than a thresholding, it is characterized in that, comprises the steps:
The neighbor cell configuration situation that a1 activates according to subscriber equipment, radio network controller judges whether to need to start inter-frequency measurement, if need, determine that then measurement event comprises that at least inoperative carrier frequency quality is lower than a thresholding, and the alien-frequency district quality monitored, and the wait reporting measurement report by user equipment is received execution in step a2 behind the reporting measurement report by user equipment, if do not need to start inter-frequency measurement execution in step a3;
If a2 user equipment to report inoperative carrier frequency quality is lower than a thresholding, and different-frequency measure is based on compact model, then radio network controller sends inter-frequency measurement control, close this inter-frequency measurement, and execution in step a3, otherwise radio network controller carries out normal different-frequency measure reporting handling process;
The neighbor cell configuration situation that a3 activates according to subscriber equipment, radio network controller judges whether to open system's measurements, if need, determine that then measurement event comprises that at least the quality of other wireless systems is lower than a thresholding, and different system cell quality monitored, and the wait reporting measurement report by user equipment is received execution in step a4 behind the reporting measurement report by user equipment, if do not need the start-up system measurements to return step a1;
If the quality of other wireless systems of a4 user equipment to report is lower than a thresholding, and isosystem measurement is based on compact model, then radio network controller transmitting system measurements control, close this system's measurements, and return step a1, otherwise radio network controller carries out normal isosystem measurement report handling process.
2, between WCDMA according to claim 1 system intermediate frequency and system's measurements combination control method, it is characterized in that: the determined measurement event of inter-frequency measurement comprises that also best carrier frequency changes among the described step a1.
3, between WCDMA according to claim 1 system intermediate frequency and system's measurements combination control method, it is characterized in that: the determined measurement event of inter-frequency measurement comprises that also the working carrier frequency quality is lower than the thresholding that a thresholding and inoperative carrier frequency quality are higher than the 2B incident among the described step a1, and wherein the 2B incident is followed the definition in 3GPP TS 25.331 agreements.
4, between WCDMA according to claim 1 system intermediate frequency and system's measurements combination control method, it is characterized in that: the determined measurement event of inter-frequency measurement also includes the thresholding that inoperative carrier frequency quality is higher than the 2C incident among the described step a1, and wherein the 2C incident is followed the definition in 3GPPTS 25.331 agreements.
5, between WCDMA according to claim 1 system intermediate frequency and system's measurements combination control method, it is characterized in that: the determined measurement event of system's measurements comprises that also quality that the quality of current UTRAN system is lower than a thresholding and other wireless systems is higher than the thresholding of 3A incident among the described step a3, and wherein the 3A incident is followed the definition in 3GPP TS 25.331 agreements.
6, between WCDMA according to claim 1 system intermediate frequency and system's measurements combination control method, it is characterized in that: the determined measurement event of system's measurements comprises that also the quality of other wireless systems is higher than the thresholding of 3A incident among the described step a3, and wherein the 3A incident is followed the definition in 3GPP TS 25.331 agreements.
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CA2915864C (en) * | 2008-07-17 | 2017-08-15 | Zte Microelectronics Technology Co. Ltd | A method for measuring adjacent areas |
US9398502B2 (en) | 2008-07-17 | 2016-07-19 | Zte Corporation | Method for measuring adjacent areas |
WO2010096968A1 (en) * | 2009-02-27 | 2010-09-02 | 华为技术有限公司 | Method, device and system for configuring and measuring compression mode parameters |
CN102695196B (en) * | 2012-06-07 | 2016-04-06 | 鼎桥通信技术有限公司 | The control method of measurement task |
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