CN101989963A - Method, system and device for detecting baseband data transmission - Google Patents
Method, system and device for detecting baseband data transmission Download PDFInfo
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- CN101989963A CN101989963A CN2009100903695A CN200910090369A CN101989963A CN 101989963 A CN101989963 A CN 101989963A CN 2009100903695 A CN2009100903695 A CN 2009100903695A CN 200910090369 A CN200910090369 A CN 200910090369A CN 101989963 A CN101989963 A CN 101989963A
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Abstract
The invention provides a method, a system and a device for detecting baseband data transmission. The method comprises the steps of using a baseband processor to receive baseband detection data sent by an interface device; and leading the baseband processor to judge the correctness of a baseband data path according to the baseband detection data. The method, the system and the device for detecting the baseband data transmission can accurately detect the reliability information of baseband data link transmission.
Description
Technical field
The present invention relates to communication technical field, relate more specifically to the detection of base band data transmission.
Background technology
In the base band data transmission of base station system, usually need be at DSP (Digital SignalProcessing, Digital Signal Processing), FPGA (Field Programmable Gate Array, field programmable gate array) or between other device transmit reliably, there is the risk of transmission reliability variation in actual product.At TD-SCDMA (Time Division-Synchronous CodeDivision Multiple Access; the code division multiple access that time-division is synchronous) in the system; after the distributed baseband extension radio frequency unit application; speed height, the intermediate conveyor link of the transmission of base band data and reception transmission are many; and the mechanism that existing base station system also is not in operation and detects in real time is difficult to the problem of screening apace and targetedly it is done necessary safeguard measure.Therefore, along with the integrated level of TD-SCDMA base-band digital integrated circuit board is more and more higher, guarantee that correctness, the reliability of high-speed figure transmission is more and more very important, it is very necessary to detect the base-band digital transmission in real time.
The method of existing detection base-band digital transmission is to check the radio-frequency channel as the antenna period regulation main purpose of being initiated by baseband processor, does not detect the base band data transmission problem pointedly, more exactly the position of decision problem appearance; And at some application scenarios, antenna period regulation function does not have.That is to say that under some scene, the correctness information of base-band digital transmission is unknowable.
The shortcoming of the antenna period regulation of being initiated by baseband processor is that the signal that receives is subject to the interference of extraneous close frequencies signal, cause the result very unreliable, in addition, after detecting unusually, be difficult to accurately judge be base band data transmission link problem, middle radio-frequency devices problem or be the site operation problem, usually need be with reference to other relevant information of whole system.
Therefore, need a kind of scheme that detects the base band data path reliably in real time step by step at present.
Summary of the invention
In order one of to address the above problem, the present invention proposes a kind of method that detects base band data transmission, comprising: the baseband-detection data that baseband processor receiving interface equipment sends; Described baseband processor is judged the correctness of described base band data path according to described baseband-detection data.
According to embodiments of the invention, the step of the baseband-detection data that described baseband processor receiving interface equipment sends comprises: described baseband processor receives the described baseband-detection data that described interface equipment periodically sends.
According to embodiments of the invention, the step of the baseband-detection data that described baseband processor receiving interface equipment sends comprises: described baseband processor sends the baseband-detection order to described interface equipment; Described baseband processor receives the described baseband-detection data that described interface equipment sends after receiving described baseband-detection order.
According to embodiments of the invention, described baseband processor judges that according to described baseband-detection data the step of the correctness of described base band data path comprises: if the described baseband-detection data that described baseband processor receives and the baseband-detection data consistent of expection judge that then described base band data path is correct; If the baseband-detection data of described baseband-detection data that described baseband processor receives and described expection are inconsistent, judge that then described base band data path is incorrect, and trigger reprocessing flow process resume data transmission.
According to embodiments of the invention, the step of the baseband-detection data that described baseband processor receiving interface equipment sends comprises: described baseband processor receives the described baseband-detection data of described interface equipment in the protection interval location transmission of time slot.
According to embodiments of the invention, described baseband processor sends the baseband-detection order to described interface equipment and comprises: described baseband processor sends described baseband-detection order at the protection interval location of time slot to described interface equipment.
According to embodiments of the invention, the protection interval location of described time slot comprises the protection interval location of carrier wave time slot and/or the protection interval location of pilot tone.
According to embodiments of the invention, described baseband-detection data are fixed data.
According to embodiments of the invention, described interface equipment comprises one of interface processor of interface on-site programmable gate array FPGA, base station inner joint integrated circuit board and baseband extension radio frequency unit.
According to embodiments of the invention, the step of the baseband-detection data that described baseband processor receiving interface equipment sends comprises: described baseband processor receives the baseband-detection data that described base station inner joint integrated circuit board sends, and wherein said baseband-detection data are the baseband-detection data that the described baseband extension radio frequency unit of described base station inner joint integrated circuit board reception sends.
According to embodiments of the invention, the step of the baseband-detection data that described baseband processor receiving interface equipment sends comprises: described baseband processor receives the second baseband-detection data that described base station inner joint integrated circuit board sends, and the wherein said second baseband-detection data are resolved and detected after the described baseband-detection data that the interface processor that receives described baseband extension radio frequency unit sends by described base station inner joint integrated circuit board and obtain.
The invention allows for a kind of system that detects base band data transmission, comprise interface equipment and baseband processor.Wherein, described interface equipment is used for sending the baseband-detection data to baseband processor; Described baseband processor is used for judging according to described baseband-detection data the correctness of described base band data path.
According to embodiments of the invention, described interface equipment is used for periodically sending described baseband-detection data to described baseband processor.
According to embodiments of the invention, described baseband processor also is used for sending the baseband-detection order to described interface equipment; Described interface equipment also is used for sending the baseband-detection data to described baseband processor after receiving described baseband-detection order.
According to embodiments of the invention, described interface equipment is used for sending the baseband-detection data at the protection interval location of time slot to baseband processor.
According to embodiments of the invention, described baseband processor is used for sending the baseband-detection order at the protection interval location of time slot to described interface equipment.
The invention allows for a kind of baseband processor, comprise and detect data reception module and detect the data judge module.Wherein, described detection data reception module is used for the baseband-detection data that receiving interface equipment sends; Described detection data judge module is used for judging according to described baseband-detection data the correctness of base band data path.
According to embodiments of the invention, this baseband processor also comprises the sense command sending module, and it is used for sending sense command to described interface equipment.
According to embodiments of the invention, described sense command sending module is used for sending described sense command at the protection interval location of time slot to described interface equipment.
According to embodiments of the invention, described detection data judge module is used for judging that described base band data path is correct when the baseband-detection data consistent of described baseband-detection data and expection; And, when the baseband-detection data of described baseband-detection data and described expection are inconsistent, judge that described base band data path is incorrect, and trigger reprocessing flow process resume data transmission.
The invention allows for a kind of interface equipment, comprise the detection data transmission blocks, it is used for sending the baseband-detection data to baseband processor.
According to embodiments of the invention, described detection data transmission blocks is used for periodically sending described baseband-detection data to described baseband processor.
According to embodiments of the invention, this interface equipment also comprises the sense command receiver module, and it is used to receive the baseband-detection order that described baseband processor sends; Described detection data transmission blocks also is used for sending described baseband-detection data to described baseband processor after described sense command receiver module receives described baseband-detection order.
According to embodiments of the invention, described detection data transmission blocks is used for sending described baseband-detection data at the protection interval location of time slot to described baseband processor.
According to embodiments of the invention, described interface equipment comprises one of interface processor of interface on-site programmable gate array FPGA, base station inner joint integrated circuit board and baseband extension radio frequency unit.
According to embodiments of the invention, described base station inner joint integrated circuit board also comprises the detection data forwarding module, the described baseband-detection data that its interface processor that is used to receive described baseband extension radio frequency unit sends, and send it to described baseband processor.
According to embodiments of the invention, described base station inner joint integrated circuit board also comprises the detection data resolution module, the described baseband-detection data that its interface processor that is used to receive described baseband extension radio frequency unit sends, resolve and detect, the second baseband-detection data are sent to described baseband processor.
Method, system and the equipment of detection base band data transmission proposed by the invention can be surveyed base band data reliability of link transmission information exactly.
Description of drawings
Above-mentioned and/or additional aspect of the present invention and advantage are from obviously and easily understanding becoming the description of embodiment below in conjunction with accompanying drawing, wherein:
Fig. 1 is the flow chart of the method for detection base band data transmission according to an embodiment of the invention;
Fig. 2 is the schematic diagram of baseband-detection order according to an embodiment of the invention;
Fig. 3 is the schematic diagram of baseband-detection data according to an embodiment of the invention;
Fig. 4 is the flow chart of the method for detection base band data transmission according to an embodiment of the invention;
Fig. 5 is the structural representation of the system of detection base band data transmission according to an embodiment of the invention.
Embodiment
Describe embodiments of the invention below in detail, the example of described embodiment is shown in the drawings.Below by the embodiment that is described with reference to the drawings is exemplary, only is used to explain the present invention, and can not be interpreted as limitation of the present invention.
Be illustrated in figure 1 as the flow chart of method 100 of the base band data transmission of a kind of base stations detected according to an embodiment of the invention system.This method 100 is initiated loop detection by NodeB (base station, or title NB) baseband processor, is called the sectional loop-back pattern in the present invention.As shown in Figure 1, this method 100 may further comprise the steps:
S101: baseband processor sends the baseband-detection order to interface equipment;
S102: after interface equipment receives the baseband-detection order, the baseband-detection data are sent to baseband processor;
S103: baseband processor is judged the correctness of base band data path according to the baseband-detection data.
As one embodiment of the present of invention, interface equipment can comprise one or more in the interface processor of interface FPGA (FieldProgrammable Gate Array, field programmable gate array), NodeB inner joint integrated circuit board and baseband extension radio frequency unit.Below detect at the base band data path between three kinds of interface equipments and the baseband processor and to be described respectively.
As one embodiment of the present of invention; comprise in baseband processor on the same processing integrated circuit board and the detection between the interface FPGA: baseband processor can be according to certain cycle or principle; send the baseband-detection order at the protection interval location of certain carrier wave time slot X or the protection interval location of descending pilot frequency; as being command word; give interface FPGA; behind correct reception of interface FPGA and the resolve command word; give baseband processor at the ascending time slot Y of next subframe protection interval location with the loopback of baseband-detection data; if baseband processor is detecting and is expecting after the consistent data; then think correct to interface FPGA up-downgoing base band data path, recover normal transfer of data otherwise trigger the reprocessing flow process by baseband processor.As one embodiment of the present of invention, the baseband-detection data can be the data of fixing, as 0x5a5a or 0xa5a5.
As one embodiment of the present of invention; baseband processor sends the sense command word to the interface integrated circuit board at the protection interval location of certain carrier wave time slot X or the protection interval location of descending pilot frequency; behind the correct resolve command word of interface integrated circuit board; give the NodeB baseband processor at the ascending time slot Y of next subframe protection interval location with the loopback of baseband-detection data; if baseband processor is detecting and is expecting after the consistent data; then think correct to NodeB interface processor up-downgoing base band data path, reply normal transfer of data otherwise trigger the reprocessing flow process by the base station side baseband processor.As one embodiment of the present of invention, the baseband-detection data can be the data of fixing, as 0x5a5a or 0xa5a5.
As one embodiment of the present of invention; send the interface processor of sense command word by baseband processor at the protection interval location of certain carrier wave time slot X or the protection interval location of descending pilot frequency to the distributed baseband extension radio frequency unit of far-end; after the interface processor of the distributed baseband extension radio frequency unit of far-end detects the command word that will receive; can the protection interval location of ascending pilot frequency or time slot X the protection interval location; give baseband processor at the ascending time slot Y of next subframe protection interval location with the loopback of baseband-detection data; if baseband processor is detecting and is expecting after the consistent data; then think correct to the interface processor base band data path of distributed baseband extension radio frequency unit, reply normal transfer of data otherwise trigger the reprocessing flow process by the base station.As one embodiment of the present of invention, the baseband-detection data can be the data of fixing, as 0x5a5a or 0xa5a5.
The above reprocessing flow process can comprise the processing procedure of attempting reparation, the integrated circuit board of for example alarming, reset, chip reprovision or the like.
Can carry out the base band data loopback detection in the piecewise by above-described mode.In fact, order and position that baseband processor sends, the data and the position of the interface processor loopback of interface FPGA, NB inner joint integrated circuit board and baseband extension radio frequency unit can define flexibly.
As an example,, can detect accordingly at different time slot configuration for the TD-SCDMA base station system.Such as, utilize the sectional loop-back pattern, baseband processor sends sense command at TS0, is illustrated in figure 2 as the schematic diagram of baseband-detection order according to an embodiment of the invention.Wherein, grey colour specification baseband processor is to the position of opposite end transmission sense command, and subsfn n represents n subframe, and TS0-TS6 is each time slot in this subframe.Corresponding receiving terminal (interface FPGA, corresponding interface integrated circuit board etc.) is in the protection of fixing ascending time slot of next subframe such as TS 1 loopback baseband-detection data at interval, as a fixed data.Be illustrated in figure 3 as the schematic diagram of baseband-detection data according to an embodiment of the invention, wherein, subsfn n+1 represents n+1 subframe, and TS0-TS6 represents each time slot in this subframe, and black is represented the position of opposite end to baseband processor loopback baseband-detection data.Baseband processor has received that in the position of expection anticipatory data thinks that then base band data transmission is correct, otherwise the base band data transmission existing problems need be carried out reprocessing.
Be illustrated in figure 4 as the flow chart of the method 400 of detection base band data link reliability according to an embodiment of the invention.This method sends the baseband-detection data in fixing position on one's own initiative by interface equipment, detects the reliability of uplink baseband data link by baseband processor, is called single-ended mode in the present invention.As shown in Figure 4, this method 400 may further comprise the steps:
S401: interface equipment sends the baseband-detection data to baseband processor, for example, can periodically or according to certain principle send.
S402: baseband processor is judged the correctness of base band data path according to these baseband-detection data.
With the distributed baseband extension radio frequency unit interface processor by far-end is example; can be according to certain cycle or principle; send the data of particular fixed in the protection interval location position of first ascending time slot of certain carrier wave (TS1), NodeB interface integrated circuit board can transparent transmission also can resolve and detect.
If NodeB interface integrated circuit board transparent transmission then can detect the correctness of this carrier wave upstream data path in the NodeB baseband processor.
If the NodeB interface board sticks into row and resolves and detect, then can insert the second baseband-detection data in the same position of next subframe, as fixing sequence, detect the correctness of upstream data path by the NodeB baseband processor.
Be illustrated in figure 5 as the schematic diagram of the system of detection base band data transmission according to an embodiment of the invention.As shown in Figure 5, this system comprises interface equipment and baseband processor.Wherein, interface equipment is used for sending the baseband-detection data to baseband processor; Baseband processor is used for judging according to the baseband-detection data correctness of base band data path.
As one embodiment of the present of invention, interface equipment is used for periodically sending the baseband-detection data to baseband processor.
As one embodiment of the present of invention, baseband processor also is used for sending the baseband-detection order to described interface equipment; Interface equipment also is used for sending the baseband-detection data to baseband processor after receiving the baseband-detection order.
As one embodiment of the present of invention, interface equipment is used for sending the baseband-detection data at the protection interval location of time slot to baseband processor.
As one embodiment of the present of invention, baseband processor is used for sending the baseband-detection order at the protection interval location of time slot to described interface equipment.
As shown in Figure 5, baseband processor comprises the detection data reception module and detects the data judge module.Wherein, detect data reception module and be used for the baseband-detection data that receiving interface equipment sends; Detect the correctness that the data judge module is used for judging according to the baseband-detection data base band data path.
As one embodiment of the present of invention, this baseband processor also comprises the sense command sending module, and it is used for sending sense command to described interface equipment.
As one embodiment of the present of invention, the sense command sending module is used for sending described sense command at the protection interval location of time slot to interface equipment.
As one embodiment of the present of invention, detect the data judge module and be used for when the baseband-detection data consistent of baseband-detection data and expection, judge that the base band data path is correct; And, when the baseband-detection data of baseband-detection data and described expection are inconsistent, judge that the base band data path is incorrect, and trigger reprocessing flow process resume data transmission.
As shown in Figure 5, interface equipment comprises the detection data transmission blocks, and it is used for sending the baseband-detection data to baseband processor.
As one embodiment of the present of invention, detect data transmission blocks and be used for periodically sending the baseband-detection data to baseband processor.
As one embodiment of the present of invention, this interface equipment also comprises the sense command receiver module, and it is used to receive the baseband-detection order that baseband processor sends; Detect data transmission blocks and also be used for after the sense command receiver module receives described baseband-detection order, send the baseband-detection data to baseband processor.
As one embodiment of the present of invention, detect data transmission blocks and be used for sending the baseband-detection data to baseband processor at the protection interval location of time slot.
As one embodiment of the present of invention, interface equipment comprises one of interface processor of interface on-site programmable gate array FPGA, base station inner joint integrated circuit board and baseband extension radio frequency unit.
As one embodiment of the present of invention, base station inner joint integrated circuit board also comprises the detection data forwarding module, the baseband-detection data that its interface processor that is used to receive the baseband extension radio frequency unit sends, and send it to baseband processor.
As one embodiment of the present of invention, base station inner joint integrated circuit board also comprises the detection data resolution module, the baseband-detection data that its interface processor that is used to receive the baseband extension radio frequency unit sends are resolved and are detected, and the second baseband-detection data are sent to baseband processor.
Method, system and the equipment of detection base band data transmission proposed by the invention can detect in real time at the base band data transmission of base station system; and utilize TD-SCDMA system peculiar protection interval and the characteristic of time-division, come reliability at system's real-time segmentation in service ground detection base band data transmission link.Method, system and the equipment of detection base band data transmission proposed by the invention can be applied to detect the transmission course of digital baseband signal, utilize loopback mode or single-ended mode, and carry out corresponding detection at different uplink and downlink timeslots, survey base band data reliability of link transmission information more exactly, during transmission abnormality, carry out corresponding reprocessing and recover operate as normal.
Although illustrated and described embodiments of the invention, for the ordinary skill in the art, be appreciated that without departing from the principles and spirit of the present invention and can carry out multiple variation, modification, replacement and modification that scope of the present invention is by claims and be equal to and limit to these embodiment.
Claims (27)
1. a method that detects base band data transmission is characterized in that, comprising:
The baseband-detection data that baseband processor receiving interface equipment sends;
Described baseband processor is judged the correctness of described base band data path according to described baseband-detection data.
2. the method for detection base band data transmission according to claim 1 is characterized in that, the step of the baseband-detection data that described baseband processor receiving interface equipment sends comprises:
Described baseband processor receives the described baseband-detection data that described interface equipment periodically sends.
3. the method for detection base band data transmission according to claim 1 is characterized in that, the step of the baseband-detection data that described baseband processor receiving interface equipment sends comprises:
Described baseband processor sends the baseband-detection order to described interface equipment;
Described baseband processor receives the described baseband-detection data that described interface equipment sends after receiving described baseband-detection order.
4. the method for detection base band data transmission according to claim 1 is characterized in that, described baseband processor judges that according to described baseband-detection data the step of the correctness of described base band data path comprises:
If the described baseband-detection data that described baseband processor receives and the baseband-detection data consistent of expection judge that then described base band data path is correct;
If the baseband-detection data of described baseband-detection data that described baseband processor receives and described expection are inconsistent, judge that then described base band data path is incorrect, and trigger reprocessing flow process resume data transmission.
5. the method for detection base band data transmission according to claim 1 is characterized in that, the step of the baseband-detection data that described baseband processor receiving interface equipment sends comprises:
Described baseband processor receives the described baseband-detection data of described interface equipment in the protection interval location transmission of time slot.
6. the method for detection base band data transmission according to claim 3 is characterized in that, described baseband processor sends the baseband-detection order to described interface equipment and comprises:
Described baseband processor sends described baseband-detection order at the protection interval location of time slot to described interface equipment.
7. according to the method for claim 5 or 6 described detection base band data transmission, it is characterized in that,
The protection interval location of described time slot comprises the protection interval location of carrier wave time slot and/or the protection interval location of pilot tone.
8. the method for detection base band data transmission according to claim 1 is characterized in that,
Described baseband-detection data are fixed data.
9. the method for detection base band data transmission according to claim 1 is characterized in that, described interface equipment comprises one of interface processor of interface on-site programmable gate array FPGA, base station inner joint integrated circuit board and baseband extension radio frequency unit.
10. the method for detection base band data transmission according to claim 9 is characterized in that, the step of the baseband-detection data that described baseband processor receiving interface equipment sends comprises:
Described baseband processor receives the baseband-detection data that described base station inner joint integrated circuit board sends, and wherein said baseband-detection data are the baseband-detection data that the described baseband extension radio frequency unit of described base station inner joint integrated circuit board reception sends.
11. the method for detection base band data transmission according to claim 9 is characterized in that, the step of the baseband-detection data that described baseband processor receiving interface equipment sends comprises:
Described baseband processor receives the second baseband-detection data that described base station inner joint integrated circuit board sends, and the wherein said second baseband-detection data are resolved and detected after the described baseband-detection data that the interface processor that receives described baseband extension radio frequency unit sends by described base station inner joint integrated circuit board and obtain.
12. a system that detects base band data transmission is characterized in that, comprises interface equipment and baseband processor, wherein,
Described interface equipment is used for sending the baseband-detection data to baseband processor;
Described baseband processor is used for judging according to described baseband-detection data the correctness of described base band data path.
13. the system of detection base band data transmission according to claim 12 is characterized in that, described interface equipment is used for periodically sending described baseband-detection data to described baseband processor.
14. the system of detection base band data transmission according to claim 12 is characterized in that,
Described baseband processor also is used for sending the baseband-detection order to described interface equipment;
Described interface equipment also is used for sending the baseband-detection data to described baseband processor after receiving described baseband-detection order.
15. the system of detection base band data transmission according to claim 12 is characterized in that,
Described interface equipment is used for sending the baseband-detection data at the protection interval location of time slot to baseband processor.
16. the system of detection base band data transmission according to claim 14 is characterized in that,
Described baseband processor is used for sending the baseband-detection order at the protection interval location of time slot to described interface equipment.
17. a baseband processor is characterized in that, comprises detecting data reception module and detecting the data judge module, wherein,
Described detection data reception module is used for the baseband-detection data that receiving interface equipment sends;
Described detection data judge module is used for judging according to described baseband-detection data the correctness of base band data path.
18. baseband processor according to claim 17 is characterized in that, also comprises the sense command sending module, it is used for sending sense command to described interface equipment.
19. baseband processor according to claim 18 is characterized in that, described sense command sending module is used for sending described sense command at the protection interval location of time slot to described interface equipment.
20. baseband processor according to claim 18 is characterized in that, described detection data judge module is used for judging that described base band data path is correct when the baseband-detection data consistent of described baseband-detection data and expection; And, when the baseband-detection data of described baseband-detection data and described expection are inconsistent, judge that described base band data path is incorrect, and trigger reprocessing flow process resume data transmission.
21. an interface equipment is characterized in that, comprises the detection data transmission blocks, it is used for sending the baseband-detection data to baseband processor.
22. interface equipment according to claim 21 is characterized in that, described detection data transmission blocks is used for periodically sending described baseband-detection data to described baseband processor.
23. interface equipment according to claim 21 is characterized in that, also comprises the sense command receiver module, it is used to receive the baseband-detection order that described baseband processor sends;
Described detection data transmission blocks also is used for sending described baseband-detection data to described baseband processor after described sense command receiver module receives described baseband-detection order.
24. interface equipment according to claim 21 is characterized in that, described detection data transmission blocks is used for sending described baseband-detection data at the protection interval location of time slot to described baseband processor.
25. interface equipment according to claim 21 is characterized in that, described interface equipment comprises one of interface processor of interface on-site programmable gate array FPGA, base station inner joint integrated circuit board and baseband extension radio frequency unit.
26. interface equipment according to claim 25, it is characterized in that, described base station inner joint integrated circuit board also comprises the detection data forwarding module, the described baseband-detection data that its interface processor that is used to receive described baseband extension radio frequency unit sends, and send it to described baseband processor.
27. interface equipment according to claim 25, it is characterized in that, described base station inner joint integrated circuit board also comprises the detection data resolution module, the described baseband-detection data that its interface processor that is used to receive described baseband extension radio frequency unit sends, resolve and detect, the second baseband-detection data are sent to described baseband processor.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103516443A (en) * | 2012-06-19 | 2014-01-15 | 中兴通讯股份有限公司 | Method and device for detecting working state of indoor unit in microwave system |
| CN107707335A (en) * | 2016-08-09 | 2018-02-16 | 中国移动通信集团内蒙古有限公司 | A kind of data transmission method and device |
| CN111867045A (en) * | 2020-06-19 | 2020-10-30 | 联想(北京)有限公司 | Method, device and system for clock synchronization between cells |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101466113B (en) * | 2007-12-21 | 2011-11-16 | 大唐移动通信设备有限公司 | Method and system for monitoring time-division radio base station link |
| CN101466114A (en) * | 2007-12-21 | 2009-06-24 | 大唐移动通信设备有限公司 | Test method and test system for radio base station up and down pathway |
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2009
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103516443A (en) * | 2012-06-19 | 2014-01-15 | 中兴通讯股份有限公司 | Method and device for detecting working state of indoor unit in microwave system |
| CN107707335A (en) * | 2016-08-09 | 2018-02-16 | 中国移动通信集团内蒙古有限公司 | A kind of data transmission method and device |
| CN111867045A (en) * | 2020-06-19 | 2020-10-30 | 联想(北京)有限公司 | Method, device and system for clock synchronization between cells |
| CN111867045B (en) * | 2020-06-19 | 2022-07-26 | 联想(北京)有限公司 | Method, device and system for clock synchronization between cells |
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