CN100440760C - A method for monitoring power control performance of WCDMA system - Google Patents
A method for monitoring power control performance of WCDMA system Download PDFInfo
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- CN100440760C CN100440760C CNB2003101230958A CN200310123095A CN100440760C CN 100440760 C CN100440760 C CN 100440760C CN B2003101230958 A CNB2003101230958 A CN B2003101230958A CN 200310123095 A CN200310123095 A CN 200310123095A CN 100440760 C CN100440760 C CN 100440760C
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- 238000012544 monitoring process Methods 0.000 title claims abstract description 68
- 238000000034 method Methods 0.000 title claims abstract description 28
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- 238000005259 measurement Methods 0.000 claims description 12
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Abstract
The present invention provides a method for monitoring the power control performance of a wideband code division multiple access system. A power control performance monitoring background is arranged at the side of Node B to make parameter curve information such as SIR/SIR <target> curves or BLER statistical result curves or down transmitting code domain power curves or RSSI curves which correspond to the power control and can only be observed at the side of RNC observed at the side of the Node B without the limitation of the RNC; simultaneously, the time accuracy of observed parameters can be accurate to any time slot, and the minimum unit of the parameter curves can be increased from the original second to 10 ms. In addition, a user can also observe monitoring results of up TPC and down TPC reported by the Node B so as to favorably track and position the problem of the WCDMA system.
Description
Technical field
The present invention relates to the wireless monitoring technology field, be meant a kind of method that monitors the broadband CDMA system power control performance especially.
Background technology
The control of Wideband Code Division Multiple Access (WCDMA) (WCDMA) system power comprises closed power control and exterior ring power control.The control of WCDMA closed power is signal interference ratio (SIR) measured value and the signal interference ratio thresholding (SIR by receiving
Target) compare, to determine transmitting power control (TPC) information, then TPC information is sent to transmitting terminal, regulate the size of transmitting power with this.WCDMA exterior ring power control technology then is by to receiving the calculating of Block Error Rate (BLER), determines the required SIR of closed power control
Target
In order effectively to monitor WCDMA system power control performance, must specify the key message for the treatment of monitoring user to the WCDMA system, as SIR, SIR
TargetBe used to control the up TPC of user terminal (UE) uplink transmission power, be used to control the descending TPC of base station (Node B) downlink transmission power, gross power (RTWP) and downlink dedicated channels sign indicating number territory transmitting power (TCP) etc. in BLER, the up receiving belt are carried out dynamic real-time and are observed.
In the WCDMA system, the existing method of designated user power control performance that monitors is that the backstage of safeguarding that radio network controller (RNC) side of application WCDMA provides monitors the power control performance of system.The specific implementation method is: safeguard that at RNC the backstage starts the designated user switching performance and follows the tracks of, RNC sends to Node B by Iub (Interface of RNC and Node B) interface and starts measuring command, require Node B with the sir measurement value, descending TCP, up RTWP reported by the Iub interface cycle, wherein, was 80ms according to the minimum report cycle of agreement regulation sir measurement value, RNC is local by RRM (RRM) module simultaneously, record SIR
Target, and BLER information.The backstage of safeguarding of RNC side is with global positioning system (GPS with the reporting information of Node B and the information translation of RNC local record, Global Positioning System) time is the figure of abscissa, in different windows, show, thereby the purpose of the power control performance of WCDMA system designated user is observed in realization.
Said method have a following shortcoming:
1) because field testing need be specified the sir measurement value of the every 10ms radio frames of channel to be measured or each time slot (a 10ms radio frames is divided into 15 time slots according to the time interval) usually, and the cycle of Node B by Iub interface SI reporting R measured value is 80ms, and the least unit of the abscissa of observed parameter curve is second, therefore, this scheme precision under a lot of occasions such as field testing is not enough;
2) must notify Node B to start the sir measurement reporting functions by RNC, otherwise Node B can SI reporting R measured value, is restricted thereby this programme is used;
3) because in the prior art, all information is gathered by the RRM module of RNC inside, therefore, the information of up TPC and descending TPC can't be extracted observation;
Each information of 4) being gathered is presented in the different window interfaces, uses inconvenient.
Summary of the invention
In view of this, the object of the present invention is to provide a kind of method that monitors the broadband CDMA system power control performance, make the information of supervision more accurate more comprehensively.
For achieving the above object, technical scheme of the present invention is achieved in that
A kind of method that monitors the broadband CDMA system power control performance, this method may further comprise the steps:
A, power control performance monitoring backstage is set in the operation maintaining background of wide-band CDMA base station Node B;
B, Node B gather the monitor message of appointment in the monitor command after receiving and starting the order of power control performance monitoring, and the information of being gathered to power control performance monitoring backstage periodic report;
C, power control performance monitoring backstage are presented at the information that the Node B that receives reports in the window interface.
Preferably, described step b further comprises: Node B judges at first whether this order is legal, if illegal after receiving startup power control performance monitoring order from power control performance monitoring backstage, report the error message prompting then directly for power control performance monitoring backstage, otherwise carry out subsequent step.
Preferably, described step c further comprises: subsequent step is carried out after the reporting information from NodeB that receives is preserved again in power control performance monitoring backstage.
Preferably, the described power control performance monitoring of step a backstage directly links to each other with Node B by near-end network interface or the far-end Internet protocol IP OA based on asynchronous transfer mode.
Preferably, the order of the described power control performance monitoring of step b is directly sent by power control performance monitoring backstage, or is sent by Iub interface by radio network controller (RNC).
Preferably, comprise in the parameter of step b power control performance monitoring order: the call number of designated user, the abscissa of display graphics, and signal interference ratio sir measurement value and signal interference ratio thresholding SIR
TargetThe enabler flags that reports that reports enabler flags and/or block error rate BLER statistics message that reports gross power RTWP message in enabler flags, the received signal band that reports enabler flags, downlink code domain power TCP message that reports enabler flags, uplink transmission power control TPC and downlink transmission power control TPC message of value message.
Preferably, the monitor message of appointment comprises in the described monitor command of step b: signal interference ratio sir measurement value, signal interference ratio thresholding SIR
TargetGross power RTWP in value, uplink transmission power control TPC, downlink transmission power control TPC, block error rate BLER statistics, downlink code domain power TCP and the received signal band.
Preferably, for signal interference ratio sir measurement value and signal interference ratio thresholding SIR
TargetValue, the minimum value in described monitor message cycle is a time slot; For gross power RTWP in uplink transmission power control TPC, downlink transmission power control TPC, block error rate BLER statistics, downlink code domain power TCP and the received signal band, the minimum value in described monitor message cycle is the 10ms radio frames.
Preferably, the method of the described collection of step b is: by the base station according to the enabler flags in the order of power control performance monitoring, send acquisition for each correlation module in the baseband subsystems, by each correlation module in the baseband subsystems gather and with the information that collected by the canonical form framing after the cycle report power control performance monitoring backstage.
Preferably, the Information Monitoring of each correlation module in the described baseband subsystems is: descending power weightings module is gathered descending TCP information, up Digital Down Converter Module is gathered up RTWP information, and up demodulation module is gathered up TPC, descending TPC, up SIR and up SIR
TargetInformation, up decoding module is gathered up BLER information.
Preferably, this method further comprises: according to the enabler flags in the order of power control performance monitoring, send the order that stops to gather for each corresponding module in the baseband subsystems by the base station, each corresponding module in the notice baseband subsystems stops collection and reports.
What preferably, comprise 6 fixed positions that set in advance in the described window interface of step c is used to show the subwindow of measuring curve.
Use the present invention,, make and to control relevant parameter curve information with power in that the RNC side is observed, as SIR/SIR by power control performance monitoring backstage being set in Node B side
TargetCurve, perhaps BLER statistics curve, perhaps downlink code domain power curve, perhaps RSSI curve, all can observe, and not be subjected to the restriction of RNC, simultaneously in Node B side, the time precision of observed parameter can be accurate to any time slot, the parameter curve least unit second can rise to 10ms by original.In addition, the user can also observe up TPC that Node B reports and the monitoring result of descending TPC, thereby helps more that the WCDMA system problem is followed the tracks of and the location.
Description of drawings
Figure 1 shows that power control performance monitoring backstage that the present invention is provided with and the connection diagram between the Node B;
Figure 2 shows that the schematic diagram of using observation power control performance window of the present invention.
Embodiment
Below in conjunction with drawings and the specific embodiments the present invention is described in further detail again.
Thinking of the present invention is: power control performance monitoring backstage is set in the operation maintaining background of Node B; After Node B receives and starts the order of power control performance monitoring, the monitor message of appointment in the acquisition monitoring order, and the information of being gathered to power control performance monitoring backstage periodic report; Power control performance monitoring backstage is presented at the information that the Node B that receives reports in the window interface.Concrete implementation procedure is as follows:
Safeguard at the WCDMA base station operation power control performance monitoring backstage is set in the backstage, this power control performance monitoring backstage is the executable program module on backstage, WCDMA base station, and operate in the WCDMA base station operation and safeguard on the background computer, this WCDMA base station operation safeguards that background computer passes through the near-end network interface or far-end IP OA (Internet Protocol over ATM) links to each other with the base station of WCDMA, as shown in Figure 1.
In the time need monitoring to the power control performance of designated user, at first obtain the call number UserId that waits to observe power control performance user, safeguard that by base station operation the power control performance monitoring backstage in the backstage directly sends the order that starts the power control performance monitoring to Node B again, or send the order that starts the power control performance monitoring by Iub interface to NodeB by RNC, parameter and value implication thereof in this order are as shown in table 1:
| The command parameter title | The value implication |
| The call number UserId of designated user | User index number |
| SIR/SIR targetThe information reporting enabler flags | Enable or do not enable |
| The descending TPC information reporting of up TPC/ enabler flags | Enable or do not enable |
| Descending TCP information reporting enabler flags | Enable or do not enable |
| RTWP reports enabler flags | Enable or do not enable |
| BLER statistics information reporting enabler flags | Enable or do not enable |
| The requirement of drawing abscissa | Gps time or BFN |
Table 1
The least unit of the Node B frame number (BFN) in the table 1 is to be 10ms, but for the ease of observing, gets 100ms usually.
After Node B receives the order of " starting the power control performance monitoring ", judge whether the parameter in this order is legal, if it is illegal, then directly report the error message prompting to power control performance monitoring backstage, otherwise notify the corresponding module in the baseband subsystems in it to carry out information gathering according to the parameter that enables of indicating in the monitor command, and be the timestamp that the information of being gathered is stamped GPS or BFN, the module of carrying out Information Monitoring with the information that collected according to the mode standard framing after, report to power control performance monitoring backstage according to the predefined cycle.For SIR/SIR
Target, its minimum value that preestablishes the cycle can be a time slot, and for other Information Monitoring, its predefined minimum period is the 10ms radio frames.
The corresponding relation of the correlation module in the baseband subsystems and institute's Information Monitoring is as shown in table 2:
| Module in the baseband subsystems | Information Monitoring |
| Descending power weightings module | Descending TCP |
| Up Digital Down Converter Module | Up RTWP |
| Up demodulation module | The up SIR of the up SIR of the descending TPC of up TPC target |
| Up decoding module | Up BLER |
Table 2
For example, if the SIR/SIR in the order of power control performance monitoring
TargetMessage, the descending TPC message of up TPC/ and BLER message to report the enabler flags that reports in the enabler flags parameter be " enabling ", and abscissa is drawn and is required to be BFN, the corresponding module of the Information Monitoring in the baseband subsystems then, be uplink demodulation module and up decoding module, with the information that has the BFN timestamp that collected according to the mode standard framing after, according to the predefined cycle,, report to power control performance monitoring backstage as every 100ms radio frames.
The reporting message from Node B that power control performance monitoring backstage will receive at first is kept at this locality, and the form that then the message parameter content is converted to the graphical display requirement is presented in the rectangular coordinate system.For example, it is 100ms that power control performance monitoring backstage is plotted in BFN the Information Monitoring that receives for abscissa unit, with the measuring amount is in the rectangular coordinate system of ordinate, and the figure of all measured values all is presented in predefined the same window interface of being made up of an above subwindow.
Figure 2 shows that the schematic diagram of using observation power control performance window of the present invention.This window of observing the power control performance is made up of 6 sub-windows, each subwindow is used to show different monitor curves, and the position of each subwindow is according in advance the relative fixed that is provided with, as shown in Figure 2, subwindow 1 is used to show the BLER curve, and subwindow 2 is used to show up TPC curve, subwindow 3 is used to show descending TPC curve, subwindow 4 is used to show the RTWP curve, and subwindow 5 is used to show descending TCP curve, and subwindow 6 is used to show SIR and SIR
TargetCurve, more than the abscissa of all subwindows can all be GPS or all be BFN according to the requirement of monitor command.
With reference to the example of front, if only require to monitor SIR, SIR in the monitor command
Target, up TPC, descending TPC and BLER information, then observe in the window of power control performance at this, have only in the subwindow 1,2,3,6 curve display arranged, and in subwindow 4,5, do not show any content.
According to shown power control performance monitoring curve, system can analyze the power control performance of designated user, and monitors the communication quality of the used channel of this user.If Node B is a report cycle with each time slot, the sir measurement value of each time slot that system is preserved according to power control performance monitoring backstage, can also carry out the post processing operations operation, as accurately calculate sir measurement average and variance etc., thereby realize the purpose of the power control performance of further analytical system institute monitoring user.
The above only is preferred embodiment of the present invention, and is in order to restriction the present invention, within the spirit and principles in the present invention not all, any modification of being done, is equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (12)
1, a kind of method that monitors the broadband CDMA system power control performance is characterized in that, this method may further comprise the steps:
A, power control performance monitoring backstage is set in the operation maintaining background of wide-band CDMA base station Node B;
B, Node B gather the monitor message of appointment in the monitor command after receiving and starting the order of power control performance monitoring, and the information of being gathered to power control performance monitoring backstage periodic report;
C, power control performance monitoring backstage are presented at the information that the Node B that receives reports in the window interface.
2, method according to claim 1, it is characterized in that, described step b further comprises: after Node B receives startup power control performance monitoring order from power control performance monitoring backstage, judge at first whether this order is legal, if it is illegal, report the error message prompting then directly for power control performance monitoring backstage, otherwise carry out subsequent step.
3, method according to claim 1 is characterized in that, described step c further comprises: subsequent step is carried out after the reporting information from Node B that receives is preserved again in power control performance monitoring backstage.
According to claim 1,2 or 3 described methods, it is characterized in that 4, the described power control performance monitoring of step a backstage directly links to each other with NodeB by near-end network interface or the far-end Internet protocol IP OA based on asynchronous transfer mode.
According to claim 1,2 or 3 described methods, it is characterized in that 5, the order of the described power control performance monitoring of step b is directly sent by power control performance monitoring backstage, or is sent by Iub interface by radio network controller (RNC).
6, according to claim 1,2 or 3 described methods, it is characterized in that, comprise in the parameter of step b power control performance monitoring order: the call number of designated user, the abscissa of display graphics, and signal interference ratio sir measurement value and signal interference ratio thresholding SIR
TargetThe enabler flags that reports that reports enabler flags and/or block error rate BLER statistics message that reports gross power RTWP message in enabler flags, the received signal band that reports enabler flags, downlink code domain power TCP message that reports enabler flags, uplink transmission power control TPC and downlink transmission power control TPC message of value message.
According to claim 1,2 or 3 described methods, it is characterized in that 7, the monitor message of appointment comprises in the described monitor command of step b: signal interference ratio sir measurement value, signal interference ratio thresholding SIR
TargetGross power RTWP in value, uplink transmission power control TPC, downlink transmission power control TPC, block error rate BLER statistics, downlink code domain power TCP and the received signal band.
8, method according to claim 7 is characterized in that, for signal interference ratio sir measurement value and signal interference ratio thresholding SIR
TargetValue, the minimum value in described monitor message cycle is a time slot; For gross power RTWP in uplink transmission power control TPC, downlink transmission power control TPC, block error rate BLER statistics, downlink code domain power TCP and the received signal band, the minimum value in described monitor message cycle is the 10ms radio frames.
9, according to claim 1,2 or 3 described methods, it is characterized in that, the method of the described collection of step b is: by the base station according to the enabler flags in the order of power control performance monitoring, send acquisition for each correlation module in the baseband subsystems, by each correlation module in the baseband subsystems gather and with the information that collected by the canonical form framing after the cycle report power control performance monitoring backstage.
10, method according to claim 9, it is characterized in that, the Information Monitoring of each correlation module in the described baseband subsystems is: descending power weightings module is gathered descending TCP information, up Digital Down Converter Module is gathered up RTWP information, and up demodulation module is gathered up TPC, descending TPC, up SIR and up SIR
TargetInformation, up decoding module is gathered up BLER information.
11, method according to claim 9, it is characterized in that, this method further comprises: by the base station according to the enabler flags in the order of power control performance monitoring, send the order that stops to gather for each corresponding module in the baseband subsystems, each corresponding module in the notice baseband subsystems stops collection and reports.
12, method according to claim 1 is characterized in that, what comprise 6 fixed positions that set in advance in the described window interface of step c is used to show the subwindow of measuring curve.
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| CN101719801B (en) * | 2009-11-25 | 2013-01-16 | 中兴通讯股份有限公司 | Method and system for realizing power detection |
| WO2011074008A1 (en) * | 2009-12-16 | 2011-06-23 | Nsg Networks Private Limited | Integrated monitoring and control system |
| CN103974305A (en) * | 2013-01-25 | 2014-08-06 | 中兴通讯股份有限公司 | Method, system and base station for tracking user information |
| US10474216B2 (en) * | 2015-12-16 | 2019-11-12 | Intel Corporation | Method and apparatus for providing power state information using in-band signaling |
| CN107343290B (en) * | 2017-07-04 | 2019-12-03 | 中国联合网络通信集团有限公司 | The expansion method and device of RRU cascade cell |
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| US6094585A (en) * | 1997-11-14 | 2000-07-25 | Lucent Technologies Inc. | CDMA forward link power overload control in a base station |
| US6144861A (en) * | 1998-04-07 | 2000-11-07 | Telefonaktiebolaget Lm Ericsson | Downlink power control in a cellular mobile radio communications system |
| CN1321015A (en) * | 2000-04-25 | 2001-11-07 | 日本电气株式会社 | Code division multiple access mobile communication system and its transmission power control method |
| CN1387333A (en) * | 2001-05-17 | 2002-12-25 | 深圳市中兴通讯股份有限公司 | Method for measuring power control bit in CDMA system |
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| US6094585A (en) * | 1997-11-14 | 2000-07-25 | Lucent Technologies Inc. | CDMA forward link power overload control in a base station |
| US6144861A (en) * | 1998-04-07 | 2000-11-07 | Telefonaktiebolaget Lm Ericsson | Downlink power control in a cellular mobile radio communications system |
| CN1321015A (en) * | 2000-04-25 | 2001-11-07 | 日本电气株式会社 | Code division multiple access mobile communication system and its transmission power control method |
| CN1387333A (en) * | 2001-05-17 | 2002-12-25 | 深圳市中兴通讯股份有限公司 | Method for measuring power control bit in CDMA system |
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Effective date of registration: 20200813 Address after: 518000 Baoan District Xin'an street, Shenzhen, Guangdong, No. 625, No. 625, Nuo platinum Plaza, Patentee after: SHENZHEN SHANGGE INTELLECTUAL PROPERTY SERVICE Co.,Ltd. Address before: 518129 Bantian HUAWEI headquarters office building, Longgang District, Guangdong, Shenzhen Patentee before: HUAWEI TECHNOLOGIES Co.,Ltd. Effective date of registration: 20200813 Address after: 215600 No. 2 Binhe Road, Yangshe Town, Zhangjiagang City, Suzhou City, Jiangsu Province (East China International Building) B405 Zhangjiagang Zhiying Electronic Technology Co., Ltd. Patentee after: ZHANGJIAGANG ZHIYING ELECTRONIC TECHNOLOGY Co.,Ltd. Address before: 518000 Baoan District Xin'an street, Shenzhen, Guangdong, No. 625, No. 625, Nuo platinum Plaza, Patentee before: SHENZHEN SHANGGE INTELLECTUAL PROPERTY SERVICE Co.,Ltd. |
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