CN102594829B - Baseband switching equipment and switching method thereof - Google Patents
Baseband switching equipment and switching method thereof Download PDFInfo
- Publication number
- CN102594829B CN102594829B CN201210050861.1A CN201210050861A CN102594829B CN 102594829 B CN102594829 B CN 102594829B CN 201210050861 A CN201210050861 A CN 201210050861A CN 102594829 B CN102594829 B CN 102594829B
- Authority
- CN
- China
- Prior art keywords
- data
- base band
- equipment
- interface
- interface module
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W24/00—Supervisory, monitoring or testing arrangements
- H04W24/08—Testing, supervising or monitoring using real traffic
Abstract
The embodiment of the invention relates to the technical field of wireless communication, in particular to baseband switching equipment and a switching method of the baseband switching equipment, which are used for solving the problem existing in the prior art that a baseband unit cannot be connected with test equipment, thereby restricting the development time of the baseband unit, and adding difficulty in positioning an error unit after an error occurs. The baseband switching equipment in the embodiment of the invention comprises a baseband data conversion module for converting baseband data received from equipment to be tested through a wireless baseband interface module to an interface protocol of the test equipment, and transmitting the interface protocol to the test equipment through a test baseband interface module, and converting baseband data received from the test equipment through the test baseband interface module into an interface protocol of the equipment to be tested, and transmitting the interface protocol to the equipment to be tested through the wireless baseband interface module. Since the baseband unit can be connected with the test unit, the development time for the baseband unit is shortened, and the difficulty in positioning the error unit after the error occurs is reduced.
Description
Technical field
The present invention relates to wireless communication technology field, particularly a kind of baseband interconnection equipment and the method for transferring thereof.
Background technology
In the process of Wireless Telecom Equipment exploitation, for the progress of Speeding up development, need to use a lot of testers to test equipment or part unit in exploitation, comprise functional verification, performance test, location of mistake etc.Conventional tester has frequency spectrograph, signal analyzer, signal source, oscilloscope, channel simulator etc.
The common method of attachment of current Wireless Telecom Equipment use test instrument is mainly to connect base station radio-frequency unit (Remote Radio Unit by radio frequency electrical cable, RRU) radio frequency interface (antennal interface) and the radio frequency interface of tester, method of attachment as shown in Figure 1A.
Wireless Telecom Equipment is mainly made up of Base Band Unit (Base Band Unit, BBU) and radio frequency unit two parts, and in equipment development process, both distinguish development& testing in earlier stage for Base Band Unit and radio frequency unit, and then uniting and adjustment test.The testing authentication of equipment all needs use test instrument to test, because the standard interface of more conventional tester is in the market all radiofrequency signal interface, therefore current Wireless Telecom Equipment is if test with these general testers, can only after Base Band Unit and radio frequency unit have all been developed, just can test.
The baseband signal interface that is limited to universal tester in the market cannot directly directly be connected with the baseband signal interface of Base Band Unit, before radio frequency unit has not been developed, the Base Band Unit of base station has no idea to use general tester to test separately, verify in advance the function correctness of Base Band Unit, thus the development time of having limited Base Band Unit.And, when Base Band Unit is tested together with radio frequency unit, once there is wrong (BUG), need long time to judge that this mistake (BUG) is which unit causes, and has increased the difficulty of positioning problems.
In sum, in current metering system, can only be connected with testing equipment by radio frequency unit, Base Band Unit can not be connected with testing equipment, thereby has limited the development time of Base Band Unit, and occurs having increased the difficulty of locating error unit after mistake.
Summary of the invention
A kind of baseband interconnection equipment that the embodiment of the present invention provides and the method for transferring thereof, can not be connected with testing equipment in order to solve the Base Band Unit existing in prior art, thereby limit the development time of Base Band Unit, and occurred having increased the problem of locating error unit difficulty after mistake.
A kind of baseband interconnection equipment that the embodiment of the present invention provides, comprising:
Field programmable gate array base band data modular converter, for the base band data from equipment under test receiving by radio base band interface module being converted to the interface protocol of testing equipment, and send the base band data after conversion by test baseband interface module to testing equipment, and convert the base band data that carrys out self-testing device receiving by test baseband interface module the interface protocol of equipment under test to, and pass through the base band data after radio base band interface module is changed to equipment under test transmission;
Radio base band interface module, for forwarding the base band data of transmission between base band data modular converter and equipment under test;
Test baseband interface module, for forwarding the base band data of transmission between base band data modular converter and testing equipment.
A kind of method of carrying out baseband digital signal switching that the embodiment of the present invention provides, comprising:
The base band data from equipment under test receiving is converted to the interface protocol of testing equipment, and send the base band data after conversion to testing equipment; And
The base band data that carrys out self-testing device receiving is converted to the interface protocol of equipment under test, and send the base band data after conversion to equipment under test.
Be connected with testing equipment owing to can realizing Base Band Unit, thereby shortened development time of Base Band Unit, dropped to occur wrong after the difficulty of location error unit;
Further, current method of attachment requires tester must have radio frequency unit, thereby has improved the cost of tester, has increased the cost of equipment vendors' use test instruments.Because the embodiment of the present invention can realize between tester and equipment under test by base band signal transmission, thereby reduce the cost of tester.
Brief description of the drawings
Figure 1A is baseband signal connection diagram in background technology;
Figure 1B is embodiment of the present invention baseband signal connection diagram;
Fig. 2 is the structural representation of embodiment of the present invention the first baseband interconnection equipment;
Fig. 3 is the structural representation of embodiment of the present invention the second baseband interconnection equipment;
Fig. 4 is the structural representation of the third baseband interconnection equipment of the embodiment of the present invention;
Fig. 5 is the structural representation of embodiment of the present invention equipment under test;
Fig. 6 is the structural representation of embodiment of the present invention testing equipment;
Fig. 7 is the method flow schematic diagram that the embodiment of the present invention is carried out baseband digital signal switching.
Embodiment
Base band data modular converter in embodiment of the present invention baseband interconnection equipment converts the base band data from equipment under test receiving by radio base band interface module to the interface protocol of testing equipment, and send the base band data after conversion by test baseband interface module to testing equipment, and convert the base band data that carrys out self-testing device receiving by test baseband interface module the interface protocol of equipment under test to, and pass through the base band data after radio base band interface module is changed to equipment under test transmission.Be connected with testing equipment owing to can realizing Base Band Unit, thereby shortened development time of Base Band Unit, dropped to occur wrong after the difficulty of location error unit.
In force, the signal transmitting between tested equipment and baseband interconnection equipment is baseband digital signal; And/or the signal transmitting between testing equipment and baseband interconnection equipment is baseband digital signal;
Accordingly, baseband interconnection equipment obtains base band data from baseband digital signal.
Below in conjunction with Figure of description, the embodiment of the present invention is described in further detail.
As shown in Figure 1B, in embodiment of the present invention baseband signal connection diagram, baseband interconnection equipment is connected with equipment under test by multifiber or other data wires; Be connected with testing equipment by data wire.The baseband interconnection equipment of the embodiment of the present invention can connect TDD (Time division duplex, time division duplex) Wireless Telecom Equipment of pattern, also can connect FDD (Frequency division duplex, Frequency Division Duplexing (FDD)) Wireless Telecom Equipment of pattern, can support full-duplex mode simultaneously, Supporting connectivity possesses the Wireless Telecom Equipment of many antenna functions, and at this time base band data has multichannel data, the data of the corresponding antenna in each road.
As shown in Figure 2, embodiment of the present invention the first baseband interconnection equipment comprises: base band data modular converter 20, radio base band interface module 21 and test baseband interface module 22.
Base band data modular converter 20, for the base band data from equipment under test receiving by radio base band interface module 21 being converted to the interface protocol of testing equipment, and send the base band data after conversion by test baseband interface module 22 to testing equipment, and convert the base band data that carrys out self-testing device receiving by test baseband interface module 22 interface protocol of equipment under test to, and pass through the base band data after radio base band interface module 21 is changed to equipment under test transmission;
Radio base band interface module 21, for forwarding the base band data of transmission between base band data modular converter 20 and equipment under test;
Test baseband interface module 22, for forwarding the base band data of transmission between base band data modular converter 20 and testing equipment.
Wherein, the base band data modular converter 20 of the embodiment of the present invention can be a kind of programming device or special integrated circuit (ASIC), such as FPGA (Field-Programmable Gate Array, field programmable gate array) module, DSP (Digital Signal Processor, Digital Signal Processing) module.
Preferably, the agreement that radio base band interface module 21 is supported includes but not limited to following agreement:
TD-SCDMA IR (TD SDMA digital mobile cellular telecommunication net distributed base station IR) interface protocol, CPRI (Common Public Radio Interface, common public radio interface) agreement, CCSA (China Communications Standards Association, CCSA) definition TD-LTE IR (TD SDMA Long Term Evolution digital mobile cellular telecommunication net distributed base station IR) interface protocol, DigRF interface protocol (interface protocol between the base band of mobile terminal and radio frequency IC), connect the PCIe interface of DU equipment of C-RAN and other interface protocols of the Base Band Unit of Wireless Telecom Equipment and radio frequency unit.
Preferably, the agreement that test baseband interface module 22 is supported includes but not limited to following agreement:
SCSI (Small Computer System Interface, small computer system interface) agreement and Z-DOK+ interface protocol.
Wherein, test baseband interface module 22 can be that conventional short distance digital data transmission interface is any, can be serial or parallel.In force, can select corresponding matched interfaces according to the interface type of tester support.
Preferably, sending function and receiving function in test baseband interface module 22 can also be divided into two modules.Concrete, as shown in Figure 3, test baseband interface module 22 can further include: test base band input interface module 220 and test base band output interface module 221.
Test base band input interface module 220, for by the transfer of data of testing equipment to base band data modular converter 20;
Test base band output interface module 221, for by the transfer of data of base band data modular converter 20 to testing equipment.
Preferably, base band data modular converter 20 is according to conversion parameter, the agreement of testing equipment interface support will be converted to from the base band data of equipment under test, and according to conversion parameter, the base band data of self-testing device converts the agreement that equipment under test interface is supported in the future.
Be CPRI agreement with the interface protocol of equipment under test below, the supported protocol of testing equipment interface is that SCSI agreement is example, and the function of base band data modular converter 20 is elaborated.
It should be noted that, the conversion between the conversion between other agreements and CPRI agreement and SCSI agreement is similar, does not repeat them here.
Base band data modular converter 20 is according to conversion parameter, C & M (Control & Management, control and management) passage in the base band data that parsing receives by radio base band interface module and data and the I/Q data in S passage; According to conversion parameter, I/Q data are divided into multiple groups, wherein every group of data belong to same radio-frequency channel; For one group of data, these group data are sent by corresponding interface in test baseband interface module; And
According to conversion parameter, by the base band data composition I/Q data of receiving by the each interface in test baseband interface module; Fill the data in C & M passage and S passage according to CPRI protocol data form; And the data in C & M passage and S passage and I/Q data are sent by tested baseband interface module.
Preferably, the conversion parameter that base band data modular converter 20 uses include but not limited in following message partly or entirely:
Interface rate, base station side or the end side of the antenna number of equipment under test, each agreement.
Concrete, CPRI agreement layer 2 (data link layer) provides the service interface of three kinds of data: SAP
iQ, SAP
cMand SAP
s, SAP
cMand SAP
sinterface is also referred to as C & M passage, S passage.SAP
iQbe business datum interface, business datum is sent and is accepted by this service interface; SAP
cMbe to control and management data interface, the data of control and management are sent and are accepted by this service interface; SAP
sbe synchronous data interface, the data that the device synchronization at CPRI interface two ends need to be transmitted are sent and are accepted by this service interface.
SAP
iQthe data array of data-interface is as follows:
wherein
represent a pair of I, the Q data of a radio-frequency channel, a represents the radio-frequency channel sequence number (supposing 1≤a≤8) of wireless device, often a pair of
data, comprise I, two integer datas of Q, the bit bit wide M (specifically can select as required the size of M) of each data.
Taking M=15 as example, I/Q data are divided into multiple groups and comprise:
First the SAP of CPRI agreement
iQthe data of data-interface are divided into 8 parts, specifically can be referring to table 1;
Then, 8 partial datas are exported to test baseband interface module 22 by base band data modular converter 20, and every partial data is a corresponding road SCSI respectively.
In the corresponding relation of data bit and SCSI pin, because each data are made up of M bit, often a pair of
data have 2*M bit, are expressed as I
m-1, I
m-2, I
m-3..., I
2, I
1, I
0, Q
m-1, Q
m-2, Q
m-3..., Q
2, Q
1, Q
0.The quantity of the pin that general warranty scsi interface is used for transmitting data is no less than 2*M, if number of pins more than
bit quantity (number of bit altogether of a pair of I/Q data of bit quantitaes here, here hypothesis be 2M), so first respectively I, two data of Q are carried out to sign extended, bit quantity is equated with number of pins.The corresponding relation (S represents the symbol data of sign extended) as shown in table 2 of data bit and SCSI pin.
It should be noted that, table 2 just illustrates, as long as can ensure that each bit of data can have at least one pin correspondence, the corresponding relation of any data bit and SCSI pin is all suitable for the embodiment of the present invention.
It is above-mentioned inverse process that scsi data format conversion becomes the process of CPRI data format, wherein for the data in C & M passage and S passage, base band data modular converter 20 need to be filled according to the data format of CPRI, the content of filling can arrange, such as can be according to the data of the control and management of CPRI protocol requirement, or the feedback data of CPRI protocol streams range request can be also other any data; The data format of CPRI can be referring to " CPRI Specification V4.2 " agreement.
Table 1
| Pin title | Bit data |
| I_DATA(0) | I0 |
| I_DATA(1) | I1 |
| ...... | ...... |
| I_DATA(M-1) | IM-1 |
| I_DATA(M) | S |
| Q_DATA(0) | Q0 |
| Q_DATA(1) | Q1 |
| ...... | ...... |
| Q_DATA(M-1) | QM-1 |
| Q_DATA(M) | S |
Table 2
Preferably, the conversion parameter that base band data modular converter 20 uses can be pre-stored in base band data modular converter 20; Also can arrange as required.
If arranged, concrete, as shown in Figure 4, the third baseband interconnection equipment of the embodiment of the present invention comprises: control and synchronization module 23.
Controlling and synchronization module 23, for according to configuration information, is base band data modular converter 20 configuration transitions parameters.
In force, tester is inputed to the configuration information that comprises conversion parameter to control and synchronization module 23 by human-computer interaction interface.Control and synchronization module 23 are received after configuration information, can be just base band data modular converter 20 configuration transitions parameters.
Preferably, if configuration information comprises the interface protocol of equipment under test support and the interface protocol that testing equipment is supported, control and synchronization module 23 also for according to configuration information, for base band data modular converter 20 configures the agreement that the interface of agreement that the interface of equipment under test supports and testing equipment is supported; Accordingly, before base band data modular converter 20 carries out base band data conversion, determine respectively according to configuration information the agreement that the interface of equipment under test and testing equipment is supported.
Preferably, the synchrodata (being the data in S passage) in the base band data that control and synchronization module 23 can receive by radio base band interface module according to base band data modular converter 20 is carried out synchronously;
Control and synchronization module 23 can also carry out synchronously according to the synchronizing signal of receiving by sync cap.
The baseband interconnection equipment of the embodiment of the present invention can also comprise that built-in power module is used to baseband interconnection equipment to power; Can also directly adopt external power supply is the power supply of baseband interconnection equipment.
In force, the baseband interconnection equipment of the embodiment of the present invention can be equipment under test or testing equipment.
Accordingly, base band data modular converter 20 converts the base band data receiving by internal interface module to the interface protocol of opposite equip., and send the base band data after conversion by external interface module to opposite equip., and the base band data from opposite equip. receiving by external interface module is converted to the interface protocol of internal support, and send the base band data after conversion by internal interface module;
External interface module, for forwarding the base band data of transmission between baseband interconnection equipment and opposite equip..
If baseband interconnection equipment is equipment under test, opposite equip. is testing equipment, and external interface module is test baseband interface module 21, as shown in Figure 5;
If baseband interconnection equipment is testing equipment, opposite equip. is equipment under test, external interface module be radio base band interface module 22 as shown in Figure 6.
Accordingly, base band data modular converter 20 is according to conversion parameter, the base band data receiving by internal interface module is converted to the interface protocol of opposite equip., and according to conversion parameter, the base band data from opposite equip. receiving is converted to the interface protocol of internal support by external interface module.
Accordingly, if baseband interconnection equipment is equipment under test, and external interface module is SCSI agreement;
Base band data modular converter 20 is according to conversion parameter, resolves C & M passage in the base band data receiving by internal interface module and data and the I/Q data in S passage; According to conversion parameter, I/Q data are divided into multiple groups, wherein every group of data belong to same radio-frequency channel; For one group of data, these group data are sent by interface corresponding in external interface module; And according to conversion parameter, by the base band data composition I/Q data of receiving by the each interface in external interface module; Fill the data in C & M passage and S passage according to CPRI protocol data form; And the data in C & M passage and S passage and I/Q data are sent by internal interface module.
Accordingly, if baseband interconnection equipment is testing equipment, and external interface module is CPRI agreement; Base band data modular converter 20 is according to conversion parameter, resolves C & M passage in the base band data receiving by external interface module and data and the I/Q data in S passage; According to conversion parameter, I/Q data are divided into multiple groups, wherein every group of data belong to same radio-frequency channel; For one group of data, these group data are sent by interface corresponding in internal interface module; And according to conversion parameter, by the base band data composition I/Q data of receiving by the each interface in internal interface module; Fill the data in C & M passage and S passage according to CPRI protocol data form; And the data in C & M passage and S passage and I/Q data are sent by external interface module.
Accordingly, control and synchronization module 23, according to configuration information, are base band data modular converter 20 configuration transitions parameters;
Accordingly, if baseband interconnection equipment is equipment under test, control and synchronization module 23 according to configuration information, the agreement of supporting for the interface of base band data modular converter configuration testing equipment;
If baseband interconnection equipment is testing equipment, control and synchronization module 23 according to configuration information, the agreement of supporting for the interface of base band data modular converter configuration equipment under test.
Current method of attachment can only directly be tested and measure the radiofrequency signal of equipment under test, and cannot directly the baseband signal of equipment under test be tested and be measured.This makes the thermometrically of Base Band Unit equipment be subject to the impact of the development progress of radio frequency unit, affects to a certain extent the construction cycle of product.Be connected with testing equipment because the embodiment of the present invention can realize Base Band Unit, thereby shortened development time of Base Band Unit
Current method of attachment cannot be carried out thermometrically to Base Band Unit separately, can only carry out thermometrically to the entirety of Base Band Unit and radio frequency unit, can not effectively position mistake or deviation, increases the time of test position fix.Be connected with testing equipment because the embodiment of the present invention can realize Base Band Unit, dropped to the difficulty that occurs wrong rear location error unit.
Current method of attachment requires tester must have radio frequency unit, thereby has improved the cost of tester, has increased the cost of equipment vendors' use test instruments.Because the embodiment of the present invention can realize between tester and equipment under test by base band signal transmission, thereby reduce the cost of tester.
Based on same inventive concept, a kind of method of transferring is also provided in the embodiment of the present invention, due to principle and embodiment of the present invention baseband interconnection unit affinity that the method is dealt with problems, therefore the enforcement of the method can be referring to the enforcement of equipment, repeats part and repeat no more.
As shown in Figure 7, the method that the embodiment of the present invention is transferred comprises the following steps:
Step 701, convert the base band data from equipment under test receiving the interface protocol of testing equipment to, and send the base band data after conversion to testing equipment; And
Step 702, convert the base band data that carrys out self-testing device receiving the interface protocol of equipment under test to, and send the base band data after conversion to equipment under test.
Wherein, between step 701 and step 702, there is no inevitable sequential relationship, if receive the base band data of equipment under test, perform step 701; If receive the base band data of testing equipment, perform step 702.That is to say, step 701 and step 702 can be carried out simultaneously, also can first perform step 701, also can first perform step 702.
Preferably, in step 701, according to conversion parameter to, the agreement of testing equipment interface support will be converted from the base band data of equipment under test;
Preferably, in step 702, according to conversion parameter, the base band data of self-testing device converts the agreement that equipment under test interface is supported in the future.
If the interface protocol of equipment under test is CPRI agreement, the supported protocol of testing equipment interface is SCSI agreement:
Preferably, in step 701, according to conversion parameter, resolve receive from data and I/Q data in C & M passage and S passage in the base band data of equipment under test; According to conversion parameter, I/Q data are divided into multiple groups, wherein every group of data belong to same radio-frequency channel; Every group of data are sent to respectively to testing equipment.
If the interface protocol of equipment under test is CPRI agreement, the supported protocol of testing equipment interface is SCSI agreement:
Preferably, in step 701, according to conversion parameter, by the multi-group data composition I/Q data of carrying out self-testing device of receiving; Fill the data in C & M passage and S passage according to CPRI protocol data form; Data in C & M passage and S passage and I/Q data are sent to equipment under test.
Preferably, the method also comprises:
According to carrying out synchronously from the synchrodata in the base band data of equipment under test of receiving; Or
Carry out synchronously according to the synchronizing signal of receiving.
Obviously, those skilled in the art can carry out various changes and modification and not depart from the spirit and scope of the present invention the present invention.Like this, if these amendments of the present invention and within modification belongs to the scope of the claims in the present invention and equivalent technologies thereof, the present invention is also intended to comprise these changes and modification interior.
Claims (19)
1. a baseband interconnection equipment, is characterized in that, this equipment comprises:
Base band data modular converter, for the base band data from equipment under test receiving by radio base band interface module being converted to the interface protocol of testing equipment, and send the base band data after conversion by test baseband interface module to testing equipment, and convert the base band data that carrys out self-testing device receiving by test baseband interface module the interface protocol of equipment under test to, and pass through the base band data after radio base band interface module is changed to equipment under test transmission;
Radio base band interface module, for forwarding the base band data of transmission between base band data modular converter and equipment under test;
Test baseband interface module, for forwarding the base band data of transmission between base band data modular converter and testing equipment;
Wherein, if the interface protocol of described equipment under test is CPRI agreement, the supported protocol of described testing equipment interface is SCSI agreement, described base band data modular converter specifically for: resolve C & M passage in the base band data that receives by radio base band interface module and data and the I/Q data in S passage; I/Q data are divided into multiple groups, and wherein every group of data belong to same radio-frequency channel, respectively a corresponding road SCSI; For one group of data, these group data are sent by corresponding interface in test baseband interface module; And by the base band data composition I/Q data of receiving by the each interface in test baseband interface module; Fill the data in C & M passage and S passage according to CPRI protocol data form; And the data in C & M passage and S passage and I/Q data are sent by radio base band interface module.
2. equipment as claimed in claim 1, is characterized in that, described test baseband interface module comprises:
Test base band output interface module, for by the transfer of data of base band data modular converter to testing equipment;
Test base band input interface module, for by the transfer of data of testing equipment to base band data modular converter.
3. equipment as claimed in claim 1, is characterized in that, described base band data modular converter specifically for:
According to conversion parameter, the agreement of testing equipment interface support will be converted to from the base band data of equipment under test, and according to described conversion parameter, the base band data of self-testing device converts the agreement that equipment under test interface is supported in the future.
4. equipment as claimed in claim 3, is characterized in that, the agreement of described radio base band interface module support comprises:
The PCIe interface of the interface protocol between the TD SDMA Long Term Evolution digital mobile cellular telecommunication net distributed base station IR interface protocol of TD SDMA digital mobile cellular telecommunication net distributed base station IR interface protocol, common public radio interface CPRI agreement, the CCSA of CCSA definition, base band and the radio frequency IC of mobile terminal and the DU equipment of connection C-RAN;
The agreement of described test baseband interface module support comprises: small computer system interface SCSI agreement and Z-DOK+ interface protocol.
5. the equipment as described in as arbitrary in claim 3, is characterized in that, described equipment also comprises:
Controlling and synchronization module, for according to configuration information, is described base band data modular converter configuration transitions parameter.
6. equipment as claimed in claim 5, is characterized in that, described control and synchronization module also for:
According to configuration information, be the agreement of interface support of described base band data modular converter configuration equipment under test and the agreement of the interface support of testing equipment;
Described base band data modular converter also for:
Before carrying out base band data conversion, determine respectively according to configuration information the agreement that the interface of equipment under test and testing equipment is supported.
7. equipment as claimed in claim 5, is characterized in that, described control and synchronization module also for:
Synchrodata in the base band data receiving by radio base band interface module according to base band data modular converter is carried out synchronously; Or
Carry out synchronously according to the synchronizing signal of receiving.
8. the equipment as described in as arbitrary in claim 1～4, is characterized in that, the signal transmitting between described tested equipment and described baseband interconnection equipment is baseband digital signal; And/or
The signal transmitting between described testing equipment and described baseband interconnection equipment is baseband digital signal.
9. a baseband interconnection equipment, is characterized in that, this equipment comprises:
Base band data modular converter, for the base band data receiving by internal interface module being converted to the interface protocol of opposite equip., and send the base band data after conversion by external interface module to opposite equip., and the base band data from opposite equip. receiving by external interface module is converted to the interface protocol of internal support, and send the base band data after conversion by internal interface module;
External interface module, for forwarding the base band data of transmission between baseband interconnection equipment and opposite equip.;
Wherein, if described baseband interconnection equipment is equipment under test, and described external interface module is SCSI agreement; Described base band data modular converter specifically for: resolve C & M passage in the base band data that receives by internal interface module and data and the I/Q data in S passage; I/Q data are divided into multiple groups, and wherein every group of data belong to same radio-frequency channel, respectively a corresponding road SCSI; For one group of data, these group data are sent by interface corresponding in external interface module; And by the base band data composition I/Q data of receiving by the each interface in external interface module; Fill the data in C & M passage and S passage according to CPRI protocol data form; And the data in C & M passage and S passage and I/Q data are sent by internal interface module;
If described baseband interconnection equipment is testing equipment, and described external interface module is CPRI agreement; Described base band data modular converter specifically for: resolve C & M passage in the base band data that receives by external interface module and data and the I/Q data in S passage; I/Q data are divided into multiple groups, and wherein every group of data belong to same radio-frequency channel, respectively a corresponding road SCSI; For one group of data, these group data are sent by interface corresponding in internal interface module; And by the base band data composition I/Q data of receiving by the each interface in internal interface module; Fill the data in C & M passage and S passage according to CPRI protocol data form; And the data in C & M passage and S passage and I/Q data are sent by external interface module.
10. equipment as claimed in claim 9, is characterized in that, if described baseband interconnection equipment is equipment under test, described opposite equip. is testing equipment, and described external interface module is test baseband interface module;
If described baseband interconnection equipment is testing equipment, described opposite equip. is equipment under test, and described external interface module is radio base band interface module.
11. equipment as claimed in claim 10, is characterized in that, described test baseband interface module comprises:
Test base band output interface module, for by the transfer of data of base band data modular converter to testing equipment;
Test base band input interface module, for by the transfer of data of testing equipment to base band data modular converter.
12. equipment as claimed in claim 10, is characterized in that, the agreement of described radio base band interface module support comprises:
The PCIe interface of the interface protocol between the TD SDMA Long Term Evolution digital mobile cellular telecommunication net distributed base station IR interface protocol of TD SDMA digital mobile cellular telecommunication net distributed base station IR interface protocol, common public radio interface CPRI agreement, the CCSA of CCSA definition, base band and the radio frequency IC of mobile terminal and the DU equipment of connection C-RAN;
The agreement of described test baseband interface module support comprises: small computer system interface SCSI agreement and Z-DOK+ interface protocol.
13. equipment as claimed in claim 9, is characterized in that, described base band data modular converter specifically for:
According to conversion parameter, the base band data receiving by internal interface module is converted to the interface protocol of opposite equip., and according to described conversion parameter, the base band data from opposite equip. receiving is converted to the interface protocol of internal support by external interface module.
14. equipment as claimed in claim 13, is characterized in that, described equipment also comprises:
Controlling and synchronization module, for according to configuration information, is described base band data modular converter configuration transitions parameter.
15. equipment as claimed in claim 14, is characterized in that, if described baseband interconnection equipment is equipment under test, described control and synchronization module also for:
According to configuration information, the agreement of supporting for the interface of described base band data modular converter configuration testing equipment;
If described baseband interconnection equipment is testing equipment, described control and synchronization module also for:
According to configuration information, the agreement of supporting for the interface of described base band data modular converter configuration equipment under test.
16. equipment as claimed in claim 14, is characterized in that, described control and synchronization module also for:
Synchrodata in the base band data receiving by radio base band interface module according to base band data modular converter is carried out synchronously; Or
Carry out synchronously according to the synchronizing signal of receiving.
17. 1 kinds are carried out the method for baseband digital signal switching, it is characterized in that, the method comprises:
The base band data from equipment under test receiving is converted to the interface protocol of testing equipment, and send the base band data after conversion to testing equipment; And
The base band data that carrys out self-testing device receiving is converted to the interface protocol of equipment under test, and send the base band data after conversion to equipment under test;
Wherein, if the interface protocol of described equipment under test is CPRI agreement, the supported protocol of described testing equipment interface is SCSI agreement; The described interface protocol that converts the base band data from equipment under test receiving to testing equipment comprises: resolve receive from data and I/Q data in C & M passage and S passage in the base band data of equipment under test; I/Q data are divided into multiple groups, and wherein every group of data belong to same radio-frequency channel, respectively a corresponding road SCSI; The described base band data sending after conversion to testing equipment comprises: every group of data are sent to respectively to testing equipment;
Be CPRI agreement if state the interface protocol of equipment under test, the supported protocol of described testing equipment interface is SCSI agreement; The interface protocol that the described base band data that carrys out self-testing device by reception converts equipment under test to comprises: by the multi-group data composition I/Q data of carrying out self-testing device of receiving; Fill the data in C & M passage and S passage according to CPRI protocol data form; The described base band data sending after conversion to equipment under test comprises: the data in C & M passage and S passage and I/Q data are sent to equipment under test.
18. methods as claimed in claim 17, is characterized in that, the interface protocol that the described base band data from equipment under test by reception converts testing equipment to comprises:
According to conversion parameter to, the agreement of testing equipment interface support will be converted from the base band data of equipment under test;
The interface protocol that the described base band data that carrys out self-testing device by reception converts equipment under test to comprises:
According to described conversion parameter, the base band data of self-testing device converts the agreement that equipment under test interface is supported in the future.
19. methods as described in claim 17 or 18, is characterized in that, the method also comprises:
According to carrying out synchronously from the synchrodata in the base band data of equipment under test of receiving; Or carry out synchronously according to the synchronizing signal of receiving.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210050861.1A CN102594829B (en) | 2012-02-29 | 2012-02-29 | Baseband switching equipment and switching method thereof |
| PCT/CN2013/071870 WO2013127321A1 (en) | 2012-02-29 | 2013-02-26 | Base band switching device and switching method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210050861.1A CN102594829B (en) | 2012-02-29 | 2012-02-29 | Baseband switching equipment and switching method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102594829A CN102594829A (en) | 2012-07-18 |
| CN102594829B true CN102594829B (en) | 2014-08-06 |
Family
ID=46483030
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210050861.1A Active CN102594829B (en) | 2012-02-29 | 2012-02-29 | Baseband switching equipment and switching method thereof |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN102594829B (en) |
| WO (1) | WO2013127321A1 (en) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102594829B (en) * | 2012-02-29 | 2014-08-06 | 电信科学技术研究院 | Baseband switching equipment and switching method thereof |
| CN104053174B (en) * | 2014-05-29 | 2018-03-27 | 大唐移动通信设备有限公司 | Based on the adaptive method and device of FPGA Base Band Unit equipment RRU interface protocols |
| CN104994090A (en) * | 2015-06-29 | 2015-10-21 | 上海华为技术有限公司 | Data frame conversion method and device, communication node and communication system |
| CN110062437B (en) * | 2018-01-19 | 2020-11-06 | 大唐移动通信设备有限公司 | Method for rapidly accessing RRU (remote radio unit) to base station and base station |
| CN109257117A (en) * | 2018-09-26 | 2019-01-22 | 郑州云海信息技术有限公司 | A kind of common public radio interface test method and system |
| CN113395715B (en) * | 2020-03-12 | 2023-04-07 | 中移(成都)信息通信科技有限公司 | Method, device and equipment for testing physical layer of base station and storage medium |
| CN115001600A (en) * | 2022-05-30 | 2022-09-02 | Oppo广东移动通信有限公司 | Method, system and equipment for testing radio frequency emission system |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101183900A (en) * | 2007-11-23 | 2008-05-21 | 深圳国人通信有限公司 | Baseband extension radio frequency subsystem RRU testing method, system and analog BBU device |
| CN101360311A (en) * | 2007-07-30 | 2009-02-04 | 大唐移动通信设备有限公司 | Test maintaining system and method |
| WO2011124175A2 (en) * | 2011-05-12 | 2011-10-13 | 华为技术有限公司 | Base station |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102594829B (en) * | 2012-02-29 | 2014-08-06 | 电信科学技术研究院 | Baseband switching equipment and switching method thereof |
-
2012
- 2012-02-29 CN CN201210050861.1A patent/CN102594829B/en active Active
-
2013
- 2013-02-26 WO PCT/CN2013/071870 patent/WO2013127321A1/en active Application Filing
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101360311A (en) * | 2007-07-30 | 2009-02-04 | 大唐移动通信设备有限公司 | Test maintaining system and method |
| CN101183900A (en) * | 2007-11-23 | 2008-05-21 | 深圳国人通信有限公司 | Baseband extension radio frequency subsystem RRU testing method, system and analog BBU device |
| WO2011124175A2 (en) * | 2011-05-12 | 2011-10-13 | 华为技术有限公司 | Base station |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102594829A (en) | 2012-07-18 |
| WO2013127321A1 (en) | 2013-09-06 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102594829B (en) | Baseband switching equipment and switching method thereof | |
| USRE48134E1 (en) | Interceptor system for characterizing digital data in telecommunication system | |
| CN101183900B (en) | Baseband extension radio frequency subsystem RRU testing method, system and analog BBU device | |
| CN101442367B (en) | Mobile-terminal simulator for a wireless telecommunications network | |
| KR101521064B1 (en) | Modular wireless communications platform | |
| CN102972070B (en) | System and method for using multiple network addresses to establish synchronization of a device under test and test equipment controlling the test | |
| CN101272583B (en) | Method for near-end maintaining radio remote module | |
| US9629011B2 (en) | System for testing base station | |
| CN104488197B (en) | For the circuit arrangement of mobile wireless electric unit of automobile, automobile and for the method running circuit arrangement | |
| CN102594464A (en) | Wireless network system and method for testing electronic device | |
| CN102299749A (en) | Multi-channel testing device and method for RRUs (remote radio units) | |
| EP4049477B1 (en) | Transmission rate adaptation | |
| CN103188022A (en) | Antenna correlation testing method and system | |
| CN107294627A (en) | A kind of system test, aging method and system for RRU | |
| CN101394197B (en) | Baseband data transmission method and device for CDMA distributed base station system | |
| CN201699992U (en) | System sharing base station bandwidth by wireless access point | |
| CN101668228B (en) | Device and method for testing interface | |
| EP1814341A1 (en) | Methods and devices for transmitting and receiving frame timings and frame numbers via common radio interace | |
| CN212259350U (en) | Wireless network performance test system | |
| CN202587393U (en) | Device for realizing multi-frequency broadband high-speed digital distributed antenna system (DAS) | |
| CN107294630B (en) | Simulation test system of carrier wave-micropower dual-mode module | |
| CN203027289U (en) | System for realizing serial communication among computer, host computer and slave computer | |
| CN102244936A (en) | Method and system for sharing base station bandwidth by wireless access point (AP) | |
| CN209861062U (en) | Unmanned aerial vehicle wiFi image transmission integrated circuit's test system | |
| US11035900B2 (en) | Scan-chain testing via deserializer port |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 100191 No. 40, Haidian District, Beijing, Xueyuan Road Patentee after: CHINA ACADEMY OF TELECOMMUNICATIONS TECHNOLOGY Address before: 100191 No. 40, Haidian District, Beijing, Xueyuan Road Patentee before: CHINA ACADEMY OF TELECOMMUNICATIONS TECHNOLOGY |
|
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20210601 Address after: 100085 1st floor, building 1, yard 5, Shangdi East Road, Haidian District, Beijing Patentee after: DATANG MOBILE COMMUNICATIONS EQUIPMENT Co.,Ltd. Address before: 100191 No. 40, Haidian District, Beijing, Xueyuan Road Patentee before: CHINA ACADEMY OF TELECOMMUNICATIONS TECHNOLOGY |