CN1787502A - Method for enhancing detecting performance by transmitting style combined information of indicating words - Google Patents
Method for enhancing detecting performance by transmitting style combined information of indicating words Download PDFInfo
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- CN1787502A CN1787502A CN 200510111844 CN200510111844A CN1787502A CN 1787502 A CN1787502 A CN 1787502A CN 200510111844 CN200510111844 CN 200510111844 CN 200510111844 A CN200510111844 A CN 200510111844A CN 1787502 A CN1787502 A CN 1787502A
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Abstract
This invention relates to a method for increasing test performance with information of combined indication words of transmission format including the following steps: judging if the current CCTrCH of this target user contains TFCI codes, carrying out test to the activated code channels and shift training sequence of the first wireless frame in the transmission time interval, decoding TFCI, computing things on the local CCTrCH activated channel and effective shift training sequence of this target user and designing the test results of coherent code channels and the shift training sequence and outputting information of the effective shift training sequence and the activated code channel in the rest transmission time interval, which can avoid losing data in the first wireless frame.
Description
Technical field
The present invention relates to use in a kind of TD-SCDMA (TD SDMA) communication system the information of transformat combination directive (Transport Format Combination Indicator is called for short TFCI) to improve the method that detects performance; Specifically, the method that reduces of the performance that relates in the TD-SCDMA system to use the information of TFCI to be used to reduce to detect error to cause.
Background technology
In the receiving system of TD-SCDMA, transformat combination directive TFCI will indicate the information of receiving system physical coded combination transfers information, in case obtain the value of TFCI, just can decode accordingly to transmission channel.TFCI transmits on first radio frames on each Transmission Time Interval minimum code channel of (Transmission Time Interval is called for short TTI), and keeps constant in whole Transmission Time Interval.
System assignment does not always use full for all code channels of targeted customer.System increases power system capacity simultaneously for the interference that reduces between the user, the number of the channel code that system uses will change according to the actual needs of business, therefore need the actual operating position of targeted customer's channel code be detected, the code channel of this actual use is called as activated code channel, and this targeted customer's real data is handled.
For the situation of change of adaptive system business, during the code channel number that uses when system and system assignment inconsistent, need the code channel situation that activate be detected, in order to the activation situation of judgement code channel.Because the gain of the spread spectrum of system is lower, when using conventional algorithm to detect code channel, error rate is higher, therefore be easy to cause the situation of code channel omission and flase drop, especially in the time of the code channel omission, to cause system data to lose and cause the severe exacerbation of demodulation performance, under the kindred circumstances, flase drop also will cause the reduction of systematic function.
When the method for salary distribution of the movement training sequence of system is used default distributing mode (DEFAULTMODE), owing to there is relation one to one between the training sequence of system and the code channel, when mistake appears detecting in the distribution that movement training sequence occurs, also will cause the detection mistake of code channel, and finally cause the receptivity of system to descend.
Summary of the invention
The object of the present invention is to provide a kind of information to improve the method that detects performance with the transformat combination directive, utilize the TFCI accurately that calculates in first radio frames, determine the method that code channel detects and movement training sequence detects in the residue subframe except that first radio frames; This method can avoid just going out the situation of active valid data in first radio frames, improve the performance of receiving system.
For reaching above-mentioned purpose, the invention provides a kind of information and improve the method that detects performance with the transformat combination directive, it comprises 2 kinds of technical schemes:
A kind of method that in default distributing mode (DEFAULT MODE) or assigned distributing mode by user (UESPECFIC MODE), improves the detection performance with the information of transformat combination directive, it comprises following steps:
Step 1, judge whether this targeted customer's current physical coded combination transfers information (CCTrCH) contains the TFCI code word:
If contain TFCI code word, execution in step 2;
If do not contain the TFCI code word, then receiving system thinks that all resources that this channel distributed all take fully, does not need its shared activated code channel and effective movement training sequence are detected redirect execution in step 6;
The code word of step 3, TFCI is resolved: after receiving first radio frames, the code word of TFCI is decoded, obtain the value of the transmitted codewords in this Transmission Time Interval;
In the described step 2, at the sign indicating number detection-phase, can be by a detection threshold be set, the code channel that detects effective movement training sequence and be activated;
The setting principle of described detection threshold is: make as much as possible movement training sequence and code channel determined be effectively to activate; Avoid in first radio frames occurring the situation of losing, thereby avoid the detection of transformat combination directive to make mistakes, further avoid the severe exacerbation of systematic function owing to the effective information that omission causes;
Further, described detection threshold can be arranged to: measuring all movement training sequence and code channel all is effectively to activate.
In the described step 4, can calculate the rate information of the business of this targeted customer on this CCTrCH, thereby calculate targeted customer's's this moment the activated code channel and the information of effective movement training sequence according to the regulation of 3GPPTS 25.222 agreements.
In the described step 5, in remaining Transmission Time Interval, do not carry out the detection of movement training sequence and activated code channel, and according to effective activation situation of movement training sequence in first radio frames in the Transmission Time Interval that calculates in the step 4 and code channel, the result that direct corresponding setting detects, the i.e. activation value of movement training sequence and code channel among the targeted customer.
A kind of method that in public distributing mode (COMMON MODE), improves the detection performance with the information of transformat combination directive, it comprises following steps:
Step 1, judge whether this targeted customer's current physical coded combination transfers information (CCTrCH) contains the TFCI code word:
If contain TFCI code word, execution in step 2;
If do not contain the TFCI code word, then receiving system thinks that all resources that this channel distributed all take fully, does not need its shared activated code channel and effective movement training sequence are detected redirect execution in step 6;
The code word of step 3, TFCI is resolved: after receiving first radio frames, the code word of TFCI is decoded, obtain the value of the transmitted codewords in this Transmission Time Interval;
In the described step 2, at the sign indicating number detection-phase, can be by a detection threshold be set, the code channel that detects effective movement training sequence and be activated;
The setting principle of described detection threshold is: make as much as possible movement training sequence and code channel determined be effectively to activate; Avoid in first radio frames occurring the situation of losing, thereby avoid the detection of transformat combination directive to make mistakes, further avoid the severe exacerbation of systematic function owing to the effective information that omission causes;
Further, described detection threshold can be arranged to: measuring all movement training sequence and code channel all is effectively to activate.
In the described step 4, can calculate the rate information of the business of this targeted customer on this CCTrCH, thereby calculate the information of targeted customer's's this moment activated code channel according to the regulation of 3GPP TS 25.222 agreements.
In the described step 5, in remaining Transmission Time Interval, do not carry out the detection of activated code channel, and according to effective activation situation of movement training sequence in first radio frames in the Transmission Time Interval that calculates in the step 4 and code channel, the result that direct corresponding setting detects, the i.e. activation value of code channel among the targeted customer.
Information with the transformat combination directive provided by the invention improves the method that detects performance, can overcome significantly because the movement training sequence of system and active coding detect the decline of the systematic function that error caused, can reduce simultaneously the operand of the detection algorithm of system, improve the performance of receiving system.
Description of drawings
Fig. 1 for the present invention under default distributing mode and assigned distributing mode by user, improve the flow chart of the method that detects performance with the information of TFCI;
Fig. 2 for the present invention at public distributing mode, improve the flow chart of the method that detects performance with the information of TFCI.
Embodiment
Below by Fig. 1 and Fig. 2, introduce specific embodiments of the invention in detail, so that further understand content of the present invention.
As shown in Figure 1, for the present invention under default distributing mode and assigned distributing mode by user, improve the flow chart of the method that detects performance with the information of TFCI, it comprises following steps:
Step 1, judge whether this targeted customer's current C CTrCH contains the TFCI code word:
If contain TFCI code word, execution in step 2;
If do not contain the TFCI code word, then receiving system thinks that all resources that this channel distributed all take fully, does not need its shared activated code channel and effective movement training sequence are detected redirect execution in step 6;
At the sign indicating number detection-phase, can be by a detection threshold be set, the code channel that detects effective movement training sequence and be activated;
The setting principle of described detection threshold is: make as much as possible movement training sequence and code channel determined be effectively to activate; Avoid in first radio frames occurring the situation of losing, thereby avoid the detection of transformat combination directive to make mistakes, further avoid the severe exacerbation of systematic function owing to the effective information that omission causes;
Further, described detection threshold can be arranged to: measuring all movement training sequence and code channel all is effectively to activate;
The code word of step 3, TFCI is resolved: after receiving first radio frames, the code word of TFCI is decoded, obtain the value of the transmitted codewords in this Transmission Time Interval;
Can calculate the rate information of the business of this targeted customer on this CCTrCH according to the regulation of 3GPPTS 25.222 agreements, thereby calculate targeted customer's's this moment the activated code channel and the information of effective movement training sequence;
Promptly, in remaining Transmission Time Interval, do not carry out the detection of movement training sequence and activated code channel, and according to effective activation situation of movement training sequence in first radio frames in the Transmission Time Interval that calculates in the step 4 and code channel, the result that direct corresponding setting detects, the i.e. activation value of movement training sequence and code channel among the targeted customer;
As shown in Figure 2, for the present invention at public distributing mode, improve the flow chart of the method that detects performance with the information of TFCI, it comprises following steps:
Step 1, judge whether this targeted customer's current C CTrCH contains the TFCI code word:
If contain TFCI code word, execution in step 2;
If do not contain the TFCI code word, then receiving system thinks that all resources that this channel distributed all take fully, does not need its shared activated code channel and effective movement training sequence are detected redirect execution in step 6;
At the sign indicating number detection-phase, can be by a detection threshold be set, the code channel that detects effective movement training sequence and be activated;
The setting principle of described detection threshold is: make as much as possible movement training sequence and code channel determined be effectively to activate; Avoid in first radio frames occurring the situation of losing, thereby avoid the detection of transformat combination directive to make mistakes, further avoid the severe exacerbation of systematic function owing to the effective information that omission causes;
Further, described detection threshold can be arranged to: measuring all movement training sequence and code channel all is effectively to activate;
The code word of step 3, TFCI is resolved: after receiving first radio frames, the code word of TFCI is decoded, obtain the value of the transmitted codewords in this Transmission Time Interval;
Can calculate the rate information of the business of this targeted customer on this CCTrCH according to the regulation of 3GPPTS 25.222 agreements, thereby calculate the information of targeted customer's's this moment activated code channel;
Promptly, in remaining Transmission Time Interval, do not carry out the detection of activated code channel, and according to effective activation situation of movement training sequence in first radio frames in the Transmission Time Interval that calculates in the step 4 and code channel, the result that direct corresponding setting detects, the i.e. activation value of code channel among the targeted customer.
Information with the transformat combination directive provided by the invention improves the method that detects performance, can overcome significantly because the movement training sequence of system and active coding detect the decline of the systematic function that error caused, can reduce simultaneously the operand of the detection algorithm of system, improve the performance of receiving system.
Claims (18)
1. in default distributing mode, use the information of transformat combination directive to improve the method that detects performance for one kind, be characterised in that it comprises following steps:
Step 1, judge whether this targeted customer's current physical coded combination transfers information contains the transformat combination directive:
If contain transformat combination directive, execution in step 2;
If do not contain transformat combination directive, redirect execution in step 6;
Step 2, to first radio frames in each Transmission Time Interval of this targeted customer, carry out the detection of activated code channel and movement training sequence, be used to measure the effective movement training sequence that this targeted customer and other users may exist and the situation of activated code channel;
The code word of step 3, transformat combination directive is resolved: after receiving first radio frames, the code word of transformat combination directive is decoded, obtain the value of the transmitted codewords in this Transmission Time Interval;
Step 4, calculate this targeted customer in the activated code channel of this physical coded combination transfers information and the effective situation of movement training sequence;
Step 5, according to the result that step 4 obtains, in remaining Transmission Time Interval, the testing result of relevant code track and movement training sequence is set directly;
Step 6, effective movement training sequence of exporting this targeted customer and the information of activated code channel.
2. the method that in default distributing mode, improves the detection performance as claimed in claim 1 with the information of transformat combination directive, it is characterized in that, in the described step 2, at the sign indicating number detection-phase, can be by a detection threshold be set, the code channel that detects effective movement training sequence and be activated.
3. the method that improves the detection performance in default distributing mode with the information of transformat combination directive as claimed in claim 2 is characterized in that in the step 2, the setting principle of described detection threshold is:
Make as much as possible movement training sequence and code channel determined be effectively to activate.
4. the method that in default distributing mode, improves the detection performance as claimed in claim 3 with the information of transformat combination directive, it is characterized in that, in the step 2, described detection threshold can be arranged to: measuring all movement training sequence and code channel all is effectively to activate.
5. the method that in default distributing mode, improves the detection performance as claimed in claim 1 with the information of transformat combination directive, it is characterized in that, in the described step 4, can be according to the regulation of 3GPP TS 25.222 agreements, calculate the rate information of the business of this targeted customer on this physical coded combination transfers information, thereby calculate targeted customer's's this moment the activated code channel and the information of effective movement training sequence.
6. the method that in default distributing mode, improves the detection performance as claimed in claim 1 with the information of transformat combination directive, it is characterized in that, in the described step 5, in remaining Transmission Time Interval, do not carry out the detection of movement training sequence and activated code channel, direct effective activation situation according to movement training sequence in first radio frames in the Transmission Time Interval that calculates in the step 4 and code channel, the result that corresponding setting detects, the i.e. activation value of movement training sequence and code channel among the targeted customer.
7. in assigned distributing mode by user, use the information of transformat combination directive to improve the method that detects performance for one kind, be characterised in that it comprises following steps:
Step 1, judge whether this targeted customer's current physical coded combination transfers information contains the transformat combination directive:
If contain transformat combination directive, execution in step 2;
If do not contain transformat combination directive, redirect execution in step 6;
Step 2, to first radio frames in each Transmission Time Interval of this targeted customer, carry out the detection of activated code channel and movement training sequence, be used to measure the effective movement training sequence that this targeted customer and other users may exist and the situation of activated code channel;
The code word of step 3, transformat combination directive is resolved: after receiving first radio frames, the code word of transformat combination directive is decoded, obtain the value of the transmitted codewords in this Transmission Time Interval;
Step 4, calculate this targeted customer in the activated code channel of this physical coded combination transfers information and the effective situation of movement training sequence;
Step 5, according to the result that step 4 obtains, in remaining Transmission Time Interval, the testing result of relevant code track and movement training sequence is set directly;
Step 6, effective movement training sequence of exporting this targeted customer and the information of activated code channel.
8. the method that in assigned distributing mode by user, improves the detection performance as claimed in claim 7 with the information of transformat combination directive, it is characterized in that, in the described step 2, at the sign indicating number detection-phase, can be by a detection threshold be set, the code channel that detects effective movement training sequence and be activated.
9. the method that in assigned distributing mode by user, improves the detection performance as claimed in claim 8 with the information of transformat combination directive, it is characterized in that, in the step 2, the setting principle of described detection threshold is: make as much as possible movement training sequence and code channel determined be effectively to activate.
10. the method that in assigned distributing mode by user, improves the detection performance as claimed in claim 9 with the information of transformat combination directive, it is characterized in that, in the step 2, described detection threshold can be arranged to: measuring all movement training sequence and code channel all is effectively to activate.
11. the method that in assigned distributing mode by user, improves the detection performance as claimed in claim 7 with the information of transformat combination directive, it is characterized in that, in the described step 4, can be according to the regulation of 3GPP TS25.222 agreement, calculate the rate information of the business of this targeted customer on this physical coded combination transfers information, thereby calculate targeted customer's's this moment the activated code channel and the information of effective movement training sequence.
12. the method that in assigned distributing mode by user, improves the detection performance as claimed in claim 7 with the information of transformat combination directive, it is characterized in that, in the described step 5, in remaining Transmission Time Interval, do not carry out the detection of movement training sequence and activated code channel, direct effective activation situation according to movement training sequence in first radio frames in the Transmission Time Interval that calculates in the step 4 and code channel, the result that corresponding setting detects, the i.e. activation value of movement training sequence and code channel among the targeted customer.
13. a method that improves the detection performance in public distributing mode with the information of transformat combination directive is characterised in that it comprises following steps:
Step 1, judge whether this targeted customer's current physical coded combination transfers information contains the transformat combination directive:
If contain transformat combination directive, execution in step 2;
If do not contain transformat combination directive, redirect execution in step 6;
Step 2, to first radio frames in each Transmission Time Interval of this targeted customer, carry out the detection of activated code channel and movement training sequence, be used to measure the effective movement training sequence that this targeted customer and other users may exist and the situation of activated code channel;
The code word of step 3, transformat combination directive is resolved: after receiving first radio frames, the code word of transformat combination directive is decoded, obtain the value of the transmitted codewords in this Transmission Time Interval;
Step 4, calculate the activation situation of this targeted customer at the code channel of this physical coded combination transfers information;
Step 5, according to the result that step 4 obtains, in remaining Transmission Time Interval, the testing result of relevant code track and movement training sequence is set directly;
Step 6, export the information of this targeted customer's activated code channel.
14. the method that in public distributing mode, improves the detection performance as claimed in claim 13 with the information of transformat combination directive, it is characterized in that, in the described step 2, at the sign indicating number detection-phase, can be by a detection threshold be set, the code channel that detects effective movement training sequence and be activated.
15. the method that in public distributing mode, improves the detection performance as claimed in claim 14 with the information of transformat combination directive, it is characterized in that, in the step 2, the setting principle of described detection threshold is: make as much as possible movement training sequence and code channel determined be effectively to activate.
16. the method that in public distributing mode, improves the detection performance as claimed in claim 15 with the information of transformat combination directive, it is characterized in that, in the step 2, described detection threshold can be arranged to: measuring all movement training sequence and code channel all is effectively to activate.
17. the method that in public distributing mode, improves the detection performance as claimed in claim 13 with the information of transformat combination directive, it is characterized in that, in the described step 4, can be according to the regulation of 3GPP TS 25.222 agreements, calculate the rate information of the business of this targeted customer on this physical coded combination transfers information, thereby calculate the information of targeted customer's's this moment activated code channel.
18. the method that in public distributing mode, improves the detection performance as claimed in claim 13 with the information of transformat combination directive, it is characterized in that, in the described step 5, in remaining Transmission Time Interval, do not carry out the detection of activated code channel, direct effective activation situation according to movement training sequence in first radio frames in the Transmission Time Interval that calculates in the step 4 and code channel, the result that corresponding setting detects, the i.e. activation value of code channel among the targeted customer.
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101860485A (en) * | 2010-06-02 | 2010-10-13 | 上海融亿信息技术有限公司 | Network message filtering engine chip |
| CN1819566B (en) * | 2006-03-02 | 2010-11-03 | 上海宣普实业有限有限公司 | Method and device for improving inspection performance in assigned distributing mode by user |
| CN102025443A (en) * | 2009-09-14 | 2011-04-20 | 中兴通讯股份有限公司 | Method and equipment for de-mapping physical channel |
| CN1819567B (en) * | 2006-03-02 | 2012-01-25 | 上海宣普实业有限公司 | Device for improving inspection performance in default distributing mode |
| CN101674130B (en) * | 2008-09-12 | 2012-10-24 | 普天信息技术研究院有限公司 | Method for acquiring control words based on uplink closed loop synchronous control |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| JP3399923B2 (en) * | 2000-11-29 | 2003-04-28 | 松下電器産業株式会社 | Communication terminal apparatus and decoding method in communication terminal apparatus |
| CN1599296A (en) * | 2003-09-18 | 2005-03-23 | 西门子（中国）有限公司 | Method for expanding detecting window in 1.28 Mcps TDD mobile communication system |
| CN1819567B (en) * | 2006-03-02 | 2012-01-25 | 上海宣普实业有限公司 | Device for improving inspection performance in default distributing mode |
| CN1819505B (en) * | 2006-03-02 | 2012-04-04 | 上海宣普实业有限公司 | Method and device for improving detection performance in public distribution mode |
| CN1819566B (en) * | 2006-03-02 | 2010-11-03 | 上海宣普实业有限有限公司 | Method and device for improving inspection performance in assigned distributing mode by user |
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2005
- 2005-12-22 CN CN 200510111844 patent/CN1787502B/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1819566B (en) * | 2006-03-02 | 2010-11-03 | 上海宣普实业有限有限公司 | Method and device for improving inspection performance in assigned distributing mode by user |
| CN1819567B (en) * | 2006-03-02 | 2012-01-25 | 上海宣普实业有限公司 | Device for improving inspection performance in default distributing mode |
| CN101674130B (en) * | 2008-09-12 | 2012-10-24 | 普天信息技术研究院有限公司 | Method for acquiring control words based on uplink closed loop synchronous control |
| CN102025443A (en) * | 2009-09-14 | 2011-04-20 | 中兴通讯股份有限公司 | Method and equipment for de-mapping physical channel |
| CN101860485A (en) * | 2010-06-02 | 2010-10-13 | 上海融亿信息技术有限公司 | Network message filtering engine chip |
| CN101860485B (en) * | 2010-06-02 | 2012-04-11 | 上海融亿信息技术有限公司 | Network message filtering engine chip |
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| CN1787502B (en) | 2010-09-29 |
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