CN102457300A - Joint detection method and device - Google Patents

Joint detection method and device Download PDF

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Publication number
CN102457300A
CN102457300A CN2010105173189A CN201010517318A CN102457300A CN 102457300 A CN102457300 A CN 102457300A CN 2010105173189 A CN2010105173189 A CN 2010105173189A CN 201010517318 A CN201010517318 A CN 201010517318A CN 102457300 A CN102457300 A CN 102457300A
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interference user
targeted customer
channel estimating
interference
estimating power
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CN102457300B (en
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马帅
江海涛
杨东
赵立君
肖善鹏
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China Mobile Communications Group Co Ltd
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China Mobile Communications Group Co Ltd
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Abstract

The invention discloses a joint detection method and a joint detection device. The joint detection method comprises the following steps of: according to a channel estimation result of each disturbance user of a target user, determining the channel estimation power of the disturbance user; determining a correlation factor between each disturbance user and the target user; for each disturbance user, according to the determined correlation factor between the disturbance user and the target user, adjusting the channel estimation power of the disturbance user; selecting the disturbance user of which the adjusted channel estimation power meets a first preset condition; and according to the channel estimation result of the selected disturbance user, performing joint detection. By adoption of the technical scheme of the invention, the problem of lower accuracy of the joint detection in the prior art is solved.

Description

Associated detecting method and device
Technical field
The application relates to communication technical field, relates in particular to a kind of associated detecting method and device.
Background technology
At TD SDMA (TD-SCDMA; Time Division-Synchronous CodeDivision Multiple Access) in the system; Can adopt associated detection technique to eliminate interference; Wherein single community associated detection technique can be eliminated in the sub-district and disturb, and the multi-plot joint detection technique not only can be eliminated in the sub-district and disturb, and also can eliminate presence of intercell interference.
As shown in Figure 1, be single cell joint detection method flow chart, its concrete processing procedure is following:
Step 11; At first all users in the sub-district (being this sub-district) at targeted customer place are carried out channel estimating; Obtain this targeted customer's the channel estimation results and the channel estimation results of each interference user; Wherein the targeted customer belongs to the user of all except that the targeted customer in the sub-district, can regard targeted customer's interference user as;
Step 12 according to the channel estimation results of each interference user that obtains, is calculated the channel estimating power of each interference user;
Step 13 according to the descending order of performance number, sorts to the channel estimating power of each interference user;
Step 14, the corresponding interference user of top n channel estimating power after selecting to sort;
Step 15, the channel estimation results according to this targeted customer's channel estimation results and each interference user of selecting carries out the community associated detection of list.
As shown in Figure 2, be the multi-cell joint detection method flow chart, its concrete processing procedure is following:
Step 21; At first the targeted customer is belonged to the sub-district and carries out channel estimating with all users that the targeted customer belongs in the adjacent co-frequency cell in sub-district; Obtain this targeted customer's the channel estimation results and the channel estimation results of each interference user; Wherein the targeted customer belongs to the user of all except that the targeted customer in the sub-district, and belongs to all users in the adjacent co-frequency cell in sub-district with the targeted customer, can regard targeted customer's interference user as;
Step 22 according to the channel estimation results of each interference user that obtains, is calculated the channel estimating power of each interference user;
Step 23 according to the descending order of performance number, sorts to the channel estimating power of each interference user;
Step 24, the corresponding interference user of top n channel estimating power after selecting to sort;
Step 25, the channel estimation results according to this targeted customer's channel estimation results and each interference user of selecting carries out multi-plot joint and detects.
Can know by said process; Each targeted customer is when carrying out the detection of community associated detection of list or multi-plot joint; All will in all interference users, select the more prominent interference users of channel estimating and bring in the joint-detection, but interference user is not only relevant with channel estimating power to targeted customer's interference, also relevant with correlation; Though for example the channel estimating power of some interference user is smaller; But bigger with targeted customer's correlation, then just maybe be more intense to this targeted customer's interference, though these interference users are interference user; But do not comprise these interference users in the interference user that prior art is selected, this has just reduced the accuracy of joint-detection.
Summary of the invention
The application embodiment provides a kind of associated detecting method and device, in order to solve the lower problem of accuracy of the joint-detection that exists in the prior art.
The application embodiment technical scheme is following:
A kind of associated detecting method, the method comprising the steps of: according to the channel estimation results of each interference user of targeted customer, confirm the channel estimating power of this interference user; Confirm the correlation factors between each interference user and the said targeted customer; To each interference user,, the channel estimating power of this interference user is adjusted according to the correlation factors between this interference user determined and the said targeted customer; Select adjusted channel estimating power to satisfy the first pre-conditioned interference user; Channel estimation results according to the interference user of selecting carries out joint-detection.
A kind of joint-detection device comprises: first confirms the unit, is used for the channel estimation results according to each interference user of targeted customer, confirms the channel estimating power of this interference user; Second confirms the unit, is used for confirming the correlation factors between each interference user and the said targeted customer; Adjustment unit is used for to each interference user, confirms this interference user that the unit is determined and the correlation factors between the said targeted customer according to second, and the channel estimating power of this interference user is adjusted; Selected cell is used to select the adjusted channel estimating power of adjustment unit to satisfy the first pre-conditioned interference user; The joint-detection unit, the channel estimation results of the interference user that is used for selecting according to selected cell carries out joint-detection.
In the application embodiment technical scheme; Need to confirm targeted customer's each interference user and the correlation factors between this targeted customer, then to each interference user, according to the correlation factors between this interference user determined and the said targeted customer; Channel estimating power to this interference user is adjusted; Select adjusted channel estimating power again and satisfy the first pre-conditioned interference user, last channel estimation results according to the interference user of selecting carries out joint-detection, this shows; The targeted customer is when carrying out joint-detection; No longer be that the maximum interference user of selective channel estimating power is brought in the joint-detection, but considered the correlation between interference user and the targeted customer, this just makes that channel estimating power is little; But the interference user to this targeted customer's interference is more intense also can be brought in the joint-detection, thereby has improved the accuracy of joint-detection effectively.
Description of drawings
Fig. 1 is in the prior art, single cell joint detection method schematic flow sheet;
Fig. 2 is in the prior art, the multi-cell joint detection method schematic flow sheet;
Fig. 3 is among the application embodiment, the associated detecting method schematic flow sheet;
Fig. 4 is among the application embodiment, the concrete realization flow sketch map of single cell joint detection method;
Fig. 5 is among the application embodiment, the concrete realization flow sketch map of multi-cell joint detection method;
Fig. 6 is among the application embodiment, joint-detection apparatus structure sketch map.
Embodiment
At length set forth to the main realization principle of the application embodiment technical scheme, embodiment and to the beneficial effect that should be able to reach below in conjunction with each accompanying drawing.
As shown in Figure 3, be associated detecting method flow chart among the application embodiment, its concrete processing procedure is following:
Step 31 according to the channel estimation results of each interference user of targeted customer, is confirmed the channel estimating power of this interference user;
When carrying out the community associated detection of list, targeted customer's interference user belongs to the user of all except that the targeted customer in the sub-district for this targeted customer;
When carrying out the multi-plot joint detection, targeted customer's interference user belongs to the user of all except that the targeted customer in the sub-district for this targeted customer, and belongs to all users in the adjacent co-frequency cell in sub-district with the targeted customer.
At first need obtain the channel estimation results of each interference user of targeted customer; Then to each interference user; According to channel estimation results that obtain, this interference user, calculate the channel estimating power of this interference user, detailed process can but be not limited to following:
The channel estimation results of targeted customer's i interference user is H i, the channel estimating power of i interference user is P i, H iBe a sequence of complex numbers, comprise a plurality of footpaths, at first calculate the channel estimating power in each footpath, to k footpath H I, k, H wherein I, k=a k+ b kJ, then the channel estimating power in k footpath is P I, k=a 2+ b 2, at H iAll footpaths in, the value of selecting maximum P is (P>=1) directly, with this P channel estimating power sum directly, as the channel estimating power P of i interference user i
Because when carrying out joint-detection; The channel estimation results that not only needs each interference user; Therefore the channel estimation results that also needs this targeted customer self will obtain this targeted customer's channel estimation results, and wherein this targeted customer's channel estimation results can obtain with the channel estimation results of interference user; Also can before the channel estimation results that obtains interference user, obtain, can certainly after the channel estimation results that obtains interference user, obtain.
Step 32 is confirmed the correlation factors between each interference user and the said targeted customer;
To belonging to each interference user in the adjacent co-frequency cell in sub-district with this targeted customer; Confirm that the correlation factors between this interference user and the said targeted customer is specially: the correlation factors between this interference user and this targeted customer is confirmed as first defined threshold, can but be not limited to first defined threshold and be set to 1.
Belong to each interference user in the sub-district to this targeted customer, confirm between this interference user and the said targeted customer correlation factors can but be not limited to comprise following three kinds of execution modes, be specially:
First kind of execution mode: at first confirm the main path position of this interference user and this targeted customer's main path position; Whether main path position and this targeted customer's the main path position of judging this interference user then is overlapping; If judged result is for being; Explain that this moment, this interference user did not cause interference to this targeted customer, therefore the correlation factors between this interference user and this targeted customer is confirmed as second defined threshold, otherwise the correlation factors between this interference user and this targeted customer is confirmed as first defined threshold; Wherein said second defined threshold is less than first defined threshold, can but be not limited to second defined threshold and be set to 0.5;
Second kind of execution mode: at first confirm with this targeted customer belong to all interference users in the adjacent co-frequency cell in sub-district channel estimating power with; With this targeted customer belong to all interference users in the sub-district channel estimating power and ratio; Judge then whether this ratio is not less than the 3rd defined threshold; If judged result is for being; Explain that this moment and the interference user that belongs in the adjacent co-frequency cell in sub-district of this targeted customer are stronger to the interference that the targeted customer causes; And this targeted customer belongs to a little less than the interference that the interference user in the sub-district causes the targeted customer, therefore the correlation factors between this interference user and this targeted customer is confirmed as second defined threshold, otherwise the correlation factors between this interference user and this targeted customer is confirmed as first defined threshold;
The third execution mode: at first confirm with this targeted customer belong to all interference users in the adjacent co-frequency cell in sub-district channel estimating power with; With this targeted customer belong to all interference users in the sub-district channel estimating power and ratio; Judge then whether this ratio is not less than the 3rd defined threshold, if judged result is for being then the correlation factors between this interference user and this targeted customer to be confirmed as second defined threshold; If judged result is for denying; Whether main path position and this targeted customer's the main path position that then continues to judge this interference user is overlapping, overlapping as if judging, and then the correlation factors between this interference user and this targeted customer confirmed as second defined threshold; Not overlapping as if judging, then the correlation factors between this interference user and this targeted customer is confirmed as first defined threshold.
To sum up can know; Belong to each interference user in the sub-district to this targeted customer; If this interference user satisfied second is pre-conditioned; Then the correlation factors between this interference user and this targeted customer is confirmed as second defined threshold, otherwise, the correlation factors between this interference user and this targeted customer is confirmed as first defined threshold.Above-mentioned second pre-conditionedly is: main path position and this targeted customer's main path position is overlapping; Or with this targeted customer belong to all interference users in the adjacent co-frequency cell in sub-district channel estimating power with, with this targeted customer belong to all interference users in the sub-district channel estimating power and ratio be not less than the 3rd defined threshold; Or with this targeted customer belong to all interference users in the adjacent co-frequency cell in sub-district channel estimating power with; With this targeted customer belong to all interference users in the sub-district channel estimating power and ratio less than the 3rd defined threshold, and main path position and this targeted customer's main path position is overlapping.
Wherein, above-mentioned first defined threshold, second defined threshold and the 3rd defined threshold can but be not limited to determine by emulation.
Step 33 to each interference user, according to the correlation factors between this interference user determined and the said targeted customer, is adjusted the channel estimating power of this interference user;
Wherein adjust channel estimating power detailed process can but be not limited to following:
To each interference user, with the correlation factors between this interference user and the said targeted customer, multiply by the channel estimating power of this interference user, obtain the adjusted channel estimating power of this interference user.
If the correlation factors of i the interference user that step 32 is determined is α i, the channel estimating power of this interference user before adjustment is P i, adjusted channel estimating power is W i, W then i=α i* P i
Step 34 selects adjusted channel estimating power to satisfy the first pre-conditioned interference user;
Among the application embodiment, first pre-conditioned can but be not limited to: adjusted channel estimating power is not less than the 4th defined threshold; Or after sorting by high order on earth according to adjusted channel estimating power, a preceding defined amount channel estimating power.
That is to say, can select the prominent Q of an adjusted channel estimating interference user, also can select the interference user of adjusted channel estimating power greater than the 4th defined threshold.
Step 35 is carried out joint-detection according to the channel estimation results of the interference user of selecting.
Among the application embodiment, after selecting each interference user, carry out joint-detection according to the channel estimation results of each interference user of selecting and this targeted customer's channel estimation results.
The associated detecting method that the application embodiment provides can but be not limited to be applicable to the TD-SCDMA system.
Can know by above-mentioned processing procedure, in the application embodiment technical scheme, need to confirm targeted customer's each interference user and the correlation factors between this targeted customer; Then to each interference user; According to the correlation factors between this interference user determined and the said targeted customer, the channel estimating power of this interference user is adjusted, select adjusted channel estimating power again and satisfy the first pre-conditioned interference user; Last channel estimation results according to the interference user of selecting carries out joint-detection; This shows that the targeted customer no longer is that the maximum interference user of selective channel estimating power is brought in the joint-detection when carrying out joint-detection; But considered the correlation between interference user and the targeted customer; This just makes that channel estimating power is little, but the more intense interference user of this targeted customer's interference also can be brought in the joint-detection, thereby has improved the accuracy of joint-detection effectively.
Provide more detailed execution mode below.
As shown in Figure 4, in the application embodiment one, carry out the concrete realization flow figure of single cell joint detection method, its concrete processing procedure is following:
Step 41 obtains the channel estimation results that the targeted customer belongs to each interference user in the sub-district;
Step 42 to each interference user, according to the channel estimation results that obtains, is confirmed the channel estimating power of this interference user;
Step 43 to each interference user, is confirmed the main path position of this interference user and this targeted customer's main path position;
Step 44 judges whether main path position and this targeted customer's the main path position of this interference user is overlapping, if judged result for being, then goes to step 45, if judged result then goes to step 46 for denying;
Step 45 confirms as 0.5 with the correlation factors between this interference user and this targeted customer;
Step 46 confirms as 1 with the correlation factors between this interference user and this targeted customer;
Step 47 to each interference user, according to the correlation factors between this interference user determined and the said targeted customer, is adjusted the channel estimating power of this interference user;
Step 48 is selected the prominent Q of an adjusted channel estimating interference user;
Step 49 is carried out joint-detection according to the channel estimation results of the interference user of selecting.
As shown in Figure 5, in the application embodiment two, carry out the concrete realization flow figure of multi-cell joint detection method, its concrete processing procedure is following:
Step 51 obtains the targeted customer and belongs to the sub-district and belong to the channel estimation results of each interference user in the adjacent co-frequency cell in sub-district with the targeted customer;
Step 52 to each interference user, judges whether this interference user is that the targeted customer belongs to the interference user in the sub-district, if judged result for being, then goes to step 53, if judged result then goes to step 58 for not;
Step 53 according to the channel estimation results that obtains, is confirmed the channel estimating power of this interference user;
Step 54, confirm with this targeted customer belong to all interference users in the adjacent co-frequency cell in sub-district channel estimating power and P Int ra, with this targeted customer belong to all interference users in the sub-district channel estimating power and P LocalRatio;
Step 55 judges whether this ratio is not less than defined threshold β, if judged result for being, then goes to step 59, if judged result then goes to step 56 for not;
Step 56 is confirmed the main path position of this interference user and this targeted customer's main path position;
Step 57 judges whether main path position and this targeted customer's the main path position of this interference user is overlapping, if judged result for being, then goes to step 59, if judged result then goes to step 58 for denying;
Step 58 confirms as 1 with the correlation factors between this interference user and this targeted customer;
Step 59 confirms as 0.5 with the correlation factors between this interference user and this targeted customer;
Step 510 to each interference user, according to the correlation factors between this interference user determined and the said targeted customer, is adjusted the channel estimating power of this interference user;
Step 511 is selected the prominent Q of an adjusted channel estimating interference user;
Step 512 is carried out joint-detection according to the channel estimation results of the interference user of selecting.
Accordingly, the application embodiment also provides a kind of joint-detection device, and its structure is as shown in Figure 6, comprises that first confirms 61, second definite unit 62, unit, adjustment unit 63, selected cell 64 and joint-detection unit 65, wherein:
First confirms unit 61, is used for the channel estimation results according to each interference user of targeted customer, confirms the channel estimating power of this interference user;
Second confirms unit 62, is used for confirming the correlation factors between each interference user and the said targeted customer;
Adjustment unit 63 is used for to each interference user, confirms this interference user that unit 62 is determined and the correlation factors between the said targeted customer according to second, and the channel estimating power of this interference user is adjusted;
Selected cell 64 is used to select adjustment unit 63 adjusted channel estimating power to satisfy the first pre-conditioned interference user;
Joint-detection unit 65, the channel estimation results of the interference user that is used for selecting according to selected cell 64 carries out joint-detection.
Preferably, said interference user is: this targeted customer belongs to the interference user in the sub-district; Or belong to the interference user in the adjacent co-frequency cell in sub-district with this targeted customer.
More preferably, second confirms that the unit comprises that specifically first confirms subelement, judgment sub-unit, second definite subelement and the 3rd definite subelement, wherein:
First confirms subelement, is used for being directed against each interference user that belongs to the adjacent co-frequency cell in sub-district with this targeted customer, and the correlation factors between this interference user and this targeted customer is confirmed as first defined threshold;
Judgment sub-unit is used for belonging to each interference user of sub-district to this targeted customer, and it is second pre-conditioned to judge whether this interference user satisfies;
Second confirms subelement, is used in the judged result of judgment sub-unit the correlation factors between this interference user and this targeted customer being confirmed as second defined threshold when being;
The 3rd confirms subelement, is used in the judged result of judgment sub-unit the correlation factors between this interference user and this targeted customer being confirmed as first defined threshold for not the time, and wherein said second defined threshold is less than first defined threshold.
More preferably, said second pre-conditionedly is: main path position and this targeted customer's main path position is overlapping; Or with this targeted customer belong to all interference users in the adjacent co-frequency cell in sub-district channel estimating power with, with this targeted customer belong to all interference users in the sub-district channel estimating power and ratio be not less than the 3rd defined threshold; Or with this targeted customer belong to all interference users in the adjacent co-frequency cell in sub-district channel estimating power with; With this targeted customer belong to all interference users in the sub-district channel estimating power and ratio less than the 3rd defined threshold, and main path position and this targeted customer's main path position is overlapping.
Preferably; Said adjustment unit 63 is to each interference user; With second confirm that the unit is 62 that determine, correlation factors between this interference user and the said targeted customer, multiply by the channel estimating power of this interference user, obtain the adjusted channel estimating power of this interference user.
Preferably, said first pre-conditionedly is: adjusted channel estimating power is not less than the 4th defined threshold; Or after sorting by high order on earth according to adjusted channel estimating power, a preceding defined amount channel estimating power.
The joint-detection device that the application embodiment provides can place subscriber equipment, also can be independent of subscriber equipment, and in addition, this joint-detection device can also place the base station.
Obviously, those skilled in the art can carry out various changes and modification and the spirit and the scope that do not break away from the application to the application.Like this, belong within the scope of the application's claim and equivalent technologies thereof if these of the application are revised with modification, then the application also is intended to comprise these changes and modification interior.

Claims (12)

1. an associated detecting method is characterized in that, comprising:
According to the channel estimation results of each interference user of targeted customer, confirm the channel estimating power of this interference user;
Confirm the correlation factors between each interference user and the said targeted customer;
To each interference user,, the channel estimating power of this interference user is adjusted according to the correlation factors between this interference user determined and the said targeted customer;
Select adjusted channel estimating power to satisfy the first pre-conditioned interference user;
Channel estimation results according to the interference user of selecting carries out joint-detection.
2. associated detecting method as claimed in claim 1 is characterized in that, said interference user is:
This targeted customer belongs to the interference user in the sub-district; Or
Belong to the interference user in the adjacent co-frequency cell in sub-district with this targeted customer.
3. associated detecting method as claimed in claim 2 is characterized in that, confirms the correlation factors between each interference user and the said targeted customer, specifically comprises:
To belonging to each interference user in the adjacent co-frequency cell in sub-district, the correlation factors between this interference user and this targeted customer is confirmed as first defined threshold with this targeted customer;
Belong to each interference user in the sub-district to this targeted customer; If this interference user satisfied second is pre-conditioned; Then the correlation factors between this interference user and this targeted customer is confirmed as second defined threshold; Otherwise, the correlation factors between this interference user and this targeted customer is confirmed as first defined threshold, wherein said second defined threshold is less than first defined threshold.
4. associated detecting method as claimed in claim 3 is characterized in that, said second pre-conditionedly is:
Main path position and this targeted customer's main path position is overlapping; Or
With this targeted customer belong to all interference users in the adjacent co-frequency cell in sub-district channel estimating power with, with this targeted customer belong to all interference users in the sub-district channel estimating power and ratio be not less than the 3rd defined threshold; Or
With this targeted customer belong to all interference users in the adjacent co-frequency cell in sub-district channel estimating power with; With this targeted customer belong to all interference users in the sub-district channel estimating power and ratio less than the 3rd defined threshold, and main path position and this targeted customer's main path position is overlapping.
5. associated detecting method as claimed in claim 1 is characterized in that, according to the correlation factors between this interference user determined and the said targeted customer, the channel estimating power of this interference user is adjusted, and specifically comprises:
With the correlation factors between this interference user and the said targeted customer, multiply by the channel estimating power of this interference user, obtain the adjusted channel estimating power of this interference user.
6. associated detecting method as claimed in claim 1 is characterized in that, said first pre-conditionedly is:
Adjusted channel estimating power is not less than the 4th defined threshold; Or
After sorting by high order on earth according to adjusted channel estimating power, a preceding defined amount channel estimating power.
7. a joint-detection device is characterized in that, comprising:
First confirms the unit, is used for the channel estimation results according to each interference user of targeted customer, confirms the channel estimating power of this interference user;
Second confirms the unit, is used for confirming the correlation factors between each interference user and the said targeted customer;
Adjustment unit is used for to each interference user, confirms this interference user that the unit is determined and the correlation factors between the said targeted customer according to second, and the channel estimating power of this interference user is adjusted;
Selected cell is used to select the adjusted channel estimating power of adjustment unit to satisfy the first pre-conditioned interference user;
The joint-detection unit, the channel estimation results of the interference user that is used for selecting according to selected cell carries out joint-detection.
8. joint-detection device as claimed in claim 7 is characterized in that, said interference user is:
This targeted customer belongs to the interference user in the sub-district; Or
Belong to the interference user in the adjacent co-frequency cell in sub-district with this targeted customer.
9. joint-detection device as claimed in claim 8 is characterized in that, second confirms that the unit specifically comprises:
First confirms subelement, is used for being directed against each interference user that belongs to the adjacent co-frequency cell in sub-district with this targeted customer, and the correlation factors between this interference user and this targeted customer is confirmed as first defined threshold;
Judgment sub-unit is used for belonging to each interference user of sub-district to this targeted customer, and it is second pre-conditioned to judge whether this interference user satisfies;
Second confirms subelement, is used in the judged result of judgment sub-unit the correlation factors between this interference user and this targeted customer being confirmed as second defined threshold when being;
The 3rd confirms subelement, is used in the judged result of judgment sub-unit the correlation factors between this interference user and this targeted customer being confirmed as first defined threshold for not the time, and wherein said second defined threshold is less than first defined threshold.
10. joint-detection device as claimed in claim 9 is characterized in that, said second pre-conditionedly is:
Main path position and this targeted customer's main path position is overlapping; Or
With this targeted customer belong to all interference users in the adjacent co-frequency cell in sub-district channel estimating power with, with this targeted customer belong to all interference users in the sub-district channel estimating power and ratio be not less than the 3rd defined threshold; Or
With this targeted customer belong to all interference users in the adjacent co-frequency cell in sub-district channel estimating power with; With this targeted customer belong to all interference users in the sub-district channel estimating power and ratio less than the 3rd defined threshold, and main path position and this targeted customer's main path position is overlapping.
11. joint-detection device as claimed in claim 7; It is characterized in that; Said adjustment unit is to each interference user; With second correlation factors confirmed between that the unit is determined, this interference user and the said targeted customer, multiply by the channel estimating power of this interference user, obtain the adjusted channel estimating power of this interference user.
12. joint-detection device as claimed in claim 7 is characterized in that, said first pre-conditionedly is:
Adjusted channel estimating power is not less than the 4th defined threshold; Or
After sorting by high order on earth according to adjusted channel estimating power, a preceding defined amount channel estimating power.
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CN110932800A (en) * 2019-11-29 2020-03-27 北京邮电大学 Joint detection method and device for broadband multi-user scene
CN110932800B (en) * 2019-11-29 2020-09-18 北京邮电大学 Joint detection method and device for broadband multi-user scene
CN115941117A (en) * 2022-11-18 2023-04-07 哲库科技(北京)有限公司 Detection method, baseband chip, communication equipment and detection device
CN115941117B (en) * 2022-11-18 2024-05-31 哲库科技(北京)有限公司 Detection method, baseband chip, communication equipment and detection device

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