CN103441785A - System and method for multi-antenna channel environment simulation based on full-silencing dark room - Google Patents
System and method for multi-antenna channel environment simulation based on full-silencing dark room Download PDFInfo
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Abstract
The invention provides a system for multi-antenna channel environment simulation based on a full-silencing dark room. The system comprises a base station simulator, a channel simulation grouping unit, a probe antenna distribution unit and a testing unit. The base station simulator is used for sending generated N routes of signals to the channel simulation grouping unit. The channel simulation grouping unit is used for processing the N routes of signals, dividing the formed K multi-path signals into L groups and transmitting the multi-path signals to the probe antenna distribution unit through an output port of the channel simulation grouping unit. The probe antenna distribution unit is used for enabling the inputted L groups of multi-path signals to be connected with probe antennas. The testing unit is used for sending the L groups of multi-path signals to a device to be tested through the probe antennas, and measuring the signals processed by the device to be tested to obtain the radio-frequency performance of the device to be tested. The system can be used for carrying out testing on the radio-frequency performance of the multi-antenna device under a real environment. The invention further provides a method for the multi-antenna channel environment simulation based on the full-silencing dark room.
Description
Technical field
The present invention relates to the communications field, particularly a kind of multi-antenna channel environmental simulation system and method based on full noise elimination darkroom.
Background technology
Single antenna OTA test is as a kind of active test, mainly test total radiant power TRP and two indexs of total omnidirectional sensitivity TIS of terminal complete machine in free space and three kinds of situations of headform left and right ear in microwave dark room, directly reflected the radiance performance of terminal complete machine on the three dimensions all directions, for quantitative analysis with optimize human body and provide foundation to the impact of terminal complete machine radio-frequency performance etc., be subject to attention and the approval of terminal manufacturer.
Arrival along with the 4G epoch, multi-antenna technology is widely applied in all kinds of wireless communications products, because multi-antenna technology depends on complicated multipath channel to a great extent, the single antenna OTA method of testing in past can not meet the demand of many antennas radio frequency testing, and, for MIMO OTA test, not yet reach in the world a unified standard.
Based on this, the invention provides a kind of multi-antenna channel environmental simulation system and method based on full noise elimination darkroom.
Summary of the invention
For the deficiencies in the prior art, the invention provides a kind of multi-antenna channel environmental simulation system and method based on full noise elimination darkroom, make the test that can carry out the multi-antenna radio-frequency performance under true environment.
For realizing above purpose, the present invention is achieved by the following technical programs:
The invention provides a kind of multi-antenna channel environmental simulation system based on full noise elimination darkroom, include:
Base station simulator: for generation of N road signal, and described N road signal is sent to the channel simulator grouped element;
Described channel simulator grouped element: for described N road signal is processed, form K bar multipath signal, and export to the probe antenna allocation units by its output port after described K bar multipath signal is divided into to the L group;
Described probe antenna allocation units: for the probe antenna configuration information according to the complete actual use in noise elimination darkroom, the described L group multipath signal of input is connected with probe antenna;
Test cell, for described L group multipath signal is sent to Devices to test by described probe antenna, and utilize the signal after described base station simulator is processed described Devices to test to be measured, and obtains the radio-frequency performance of described Devices to test.
Wherein, described channel simulator grouped element further comprises:
Channel multi-path emulation subelement: after described N road signal is treated to K bar multipath signal by multipath channel, send it to multipath signal grouping subelement;
Passage Configuration Control Unit: for the configuration information according to described full noise elimination darkroom, determine the multipath signal rule of classification;
Described multipath signal grouping subelement: for according to described multipath signal rule of classification, after the described K bar multipath signal received is divided into to the L group, through output port, export to described probe antenna allocation units.
Wherein, described probe antenna allocation units further comprise:
Darkroom Configuration Control Unit: for storing the probe antenna configuration information of the actual use in described full noise elimination darkroom, and feed back to described passage Configuration Control Unit;
Multipath distributes controls subelement: for determining the allocation rule of probe antenna;
Probe antenna connexon unit: according to the allocation rule of described probe antenna, be connected with probe antenna for the described L group multipath signal by input.
Preferably, described multipath signal rule of classification is:
The AOA value of described every multipath signal is defined as: the integral multiple of angle simulation step-length that approaches the AOA actual value of this multipath signal most; The multipath signal that will have identical AOA value is divided into one group;
Wherein, the product of the probe antenna number of described angle simulation step-length and configuration is 360 °.
Preferably, the allocation rule of described probe antenna is:
Angle information according to each output port multipath grouping of described channel simulator grouped element, connected every group of multipath signal with the probe antenna of its corresponding analog angle;
Wherein, in the plane that the line that the angle of described probe antenna simulation is this probe antenna and described Devices to test forms at probe antenna, with respect to the angle of reference line, described reference line is the interior diameter of circumference that described probe antenna forms.
The present invention also provides a kind of multi-antenna channel environmental simulation method based on full noise elimination darkroom, comprises the following steps:
S1, according to channel model, N road signal is processed, form K bar multipath signal, and described K bar multipath signal be divided into to output after the L group;
The actual probe antenna configuration information used in S2, the full noise elimination of basis darkroom, organize multipath signal by the described L of input and be connected with probe antenna;
S3, described L group multipath signal is sent to Devices to test by described probe antenna, and the signal after described Devices to test is processed measured, obtained the radio-frequency performance of described Devices to test.
Wherein, described step S1 further comprises:
S11, according to channel model, described N road signal is processed by multipath channel, form K bar multipath signal;
S12, according to the configuration information in described full noise elimination darkroom, determine the multipath signal rule of classification;
S13, according to described multipath signal rule of classification, the described K bar multipath signal received is divided into to output after the L group.
Wherein, described step S2 further comprises:
S21, the probe antenna configuration information of the actual use in described full noise elimination darkroom is stored;
S22, determine the allocation rule of probe antenna;
S23, according to the allocation rule of described probe antenna, the described L group multipath signal of output is connected with probe antenna.
Preferably, described multipath signal rule of classification is:
The AOA value of described every multipath signal is defined as: the integral multiple of angle simulation step-length that approaches the AOA actual value of this multipath signal most; The multipath signal that will have identical AOA value is divided into one group;
Wherein, the product of the probe antenna number of described angle simulation step-length and configuration is 360 °.
Preferably, the allocation rule of described probe antenna is:
Angle information according to each output port multipath grouping of described channel simulator grouped element, connected every group of multipath signal with the probe antenna of its corresponding analog angle;
Wherein, in the plane that the line that the angle of described probe antenna simulation is this probe antenna and described Devices to test forms at probe antenna, with respect to the angle of reference line, described reference line is the interior diameter of circumference that described probe antenna forms.
The present invention is by providing a kind of multi-antenna channel environmental simulation system and method based on full noise elimination darkroom, on the basis based on full noise elimination darkroom, by multipath signal is carried out to packet transaction, thereby output port that can multipling channel emulation grouped element, reduced and added not the cost of number of devices because of the device port number; Carry out dynamic probe antenna resource by the multipath signal to after grouping and distribute, reappeared real wireless multipath propagation environment, thereby can obtain the radio-frequency performance of Devices to test under many antennas scene.
The accompanying drawing explanation
The system configuration schematic diagram that Fig. 1 is one embodiment of the invention;
The flow chart that Fig. 2 is one embodiment of the invention;
Another flow chart that Fig. 3 is one embodiment of the invention;
Fig. 4 is one embodiment of the invention middle probe aerial position and numbering schematic diagram.
Embodiment
Below in conjunction with drawings and Examples, the specific embodiment of the present invention is described in further detail.Following examples are used for the present invention is described, but are not used for limiting the scope of the invention.
So as Fig. 1, the invention provides a kind of multi-antenna channel environmental simulation system based on full noise elimination darkroom, when the antenna number in the output port number of channel simulator equipment and described full noise elimination darkroom is not mated, include:
Base station simulator 1: for generation of N road signal, and described N road signal is sent to channel simulator grouped element 2;
Described channel simulator grouped element 2: for described N road signal is processed, form K bar multipath signal, and export to probe antenna allocation units 3 by output port after described K bar multipath signal is divided into to the L group; Described channel simulator grouped element 2 further comprises:
Channel multi-path emulation subelement 21: after described N road signal is treated to K bar multipath signal by multipath channel, send it to multipath signal grouping subelement 23;
Passage Configuration Control Unit 22: for the configuration information according to described full noise elimination darkroom, determine the multipath signal rule of classification, and further control multipath signal grouping subelement 23;
Described multipath signal grouping subelement 23: for according to described multipath signal rule of classification, after the described K bar multipath signal received is divided into to the L group, through output port, export to described probe antenna allocation units 3.
Preferably, described multipath signal rule of classification is:
The AOA value of described every multipath signal is defined as: the integral multiple of angle simulation step-length that approaches the AOA actual value of this multipath signal most; The multipath signal that will have identical AOA value is divided into one group;
Wherein, the product of the probe antenna number of described angle simulation step-length and configuration is 360 °.
Described probe antenna allocation units 3: for the probe antenna configuration information according to the complete actual use in noise elimination darkroom, the described L group multipath signal of input is connected with probe antenna; Described probe antenna allocation units 3 further comprise:
Darkroom Configuration Control Unit 31: for storing the probe antenna configuration information of the actual use in described full noise elimination darkroom, and feed back to described passage Configuration Control Unit 22;
Multipath distributes controls subelement 32: for determining the allocation rule of probe antenna;
Probe antenna connexon unit 33: according to the allocation rule of described probe antenna, for the described L group multipath signal by input, by its AOA value, with probe antenna, be connected, complete the distribution of described L group multipath signal to the respective angles probe antenna.
Preferably, the allocation rule of described probe antenna is:
Angle information according to each output port multipath grouping of described channel simulator grouped element, connected every group of multipath signal with the probe antenna of its corresponding analog angle;
Wherein, in the plane that the line that the angle of described probe antenna simulation is this probe antenna and described Devices to test forms at probe antenna, with respect to the angle of reference line, described reference line is the interior diameter of circumference that described probe antenna forms.
Test cell 4, for described L group multipath signal is sent to Devices to test by described probe antenna, and utilize the signal after 1 pair of described Devices to test of described base station simulator is processed to be measured, and obtains the radio-frequency performance of described Devices to test.
As shown in Figure 2, the present invention also provides a kind of multi-antenna channel environmental simulation method based on full noise elimination darkroom, comprises the following steps:
S1, according to channel model, N road signal is processed, form K bar multipath signal, and described K bar multipath signal be divided into to output after the L group; Described step S1 further comprises:
S11, according to channel model, described N road signal is processed by multipath channel, form K bar multipath signal;
S12, according to the configuration information in described full noise elimination darkroom, determine the multipath signal rule of classification;
S13, according to described multipath signal rule of classification, the described K bar multipath signal received is divided into to output after the L group.Wherein, described multipath signal rule of classification is:
The AOA value of described every multipath signal is defined as: the integral multiple of angle simulation step-length that approaches the AOA actual value of this multipath signal most; The multipath signal that will have identical AOA value is divided into one group;
Wherein, the product of the probe antenna number of described angle simulation step-length and configuration is 360 °; Even described probe antenna number is 24 o'clock, and the described angle simulation step-length of its correspondence is 15 °.
The actual probe antenna configuration information used in S2, the full noise elimination of basis darkroom, organize multipath signal by the described L of input and be connected with probe antenna; Described step S2 further comprises:
S21, the probe antenna configuration information of the actual use in described full noise elimination darkroom is stored;
S22, determine the allocation rule of probe antenna;
S23, according to the allocation rule of described probe antenna, the described L group multipath signal of output is connected with probe antenna by its AOA value, complete described L and organize the distribution that multipath signal arrives the respective angles probe antenna; Wherein, the allocation rule of described probe antenna is:
Angle information according to each output port multipath grouping of described channel simulator grouped element, connected every group of multipath signal with the probe antenna of its corresponding analog angle;
Wherein, in the plane that the line that the angle of described probe antenna simulation is this probe antenna and described Devices to test forms at probe antenna, with respect to the angle of reference line, described reference line is the interior diameter of circumference that described probe antenna forms.
S3, described L group multipath signal is sent to Devices to test by described probe antenna, and the signal after described Devices to test is processed measured, obtained the radio-frequency performance of described Devices to test.
In conjunction with Fig. 3, the method flow of the present embodiment is further elaborated:
Step 101: according to channel model, N road signal is processed by multipath channel, formed K bar multipath signal;
Wherein, every multipath signal obtains by 20 preferred sub-footpath signals are synthetic, the space multipath fading situation with this analog signal from the antenna for base station end to the Devices to test antenna.
Step 102: according to the configuration information in described full noise elimination darkroom, determine the multipath signal rule of classification;
One general configuration in described full noise elimination darkroom is as follows: the multiprobe number of antennas is generally 24,32,64, and all level is uniformly distributed in around Devices to test, and the probe antenna number has represented the angle simulation precision that full noise elimination darkroom can reach.By send the multipath information such as the signal of different capacity, the time delay in the simulating multi-path environment, arrival angle, PAS in different time, locus.
The AOA value of described every multipath signal is defined as: the integral multiple of angle simulation step-length that approaches the AOA actual value of this multipath signal most; The multipath signal that will have identical AOA value is divided into one group;
Wherein, the product of the probe antenna number of described angle simulation step-length and configuration is 360 °.
Be configured to example with 24 probe antennas: angle simulation step-length S=(360 °/24)=15 °, angle simulation precision A=(360 °/24)/2=7.5 °; According to angle simulation step-length, S determines that group technology is: the AOA value of every multipath signal is defined as to (0 ° of the integral multiple of 15 ° that approaches every multipath signal AOA actual value most, ± 15 °, ± 30 °, ± 180 °), the multipath signal that then will have identical AOA value is classified as one group, and the AOA of every group of interior all multipath signals is the integral multiple of 15 °; In addition, according to line angle (AOA value) with respect to reference line in the plane of probe antenna formation of probe antenna and described Devices to test, give every antenna number pn, n ∈ [11 ,+12], reference line is taken as the line of p0 and p12, sees Fig. 4.
Step 103: according to described multipath signal rule of classification, the described K bar multipath signal received is divided into to the L group, and this L group multipath signal is exported through the output port of described channel simulator grouped element, record the AOA value of multipath signal on described each output port;
Take SCM, ITU-R M.2135, the channel model of WINNER II definition is example, the number that wherein comprises main footpath is generally 10-20, and the output port number of channel simulator grouped element generally is less than 10, so need to be divided into groups multipath signal with certain rule, thereby output port that can multipling channel emulation grouped element, guarantee that, under the prerequisite that does not increase channel simulator grouped element number, multipath information can be delivered on probe antenna;
Wherein, described L equals the actual described channel simulator grouped element output port number of enabling; By described K bar multipath signal grouping, solved multipath number and the unmatched problem of described channel simulator grouped element output port number, both retained the angle information of multipath signal, solved again the limited problem of described channel simulator grouped element output port number.
Step 104: the probe antenna configuration information to the actual use in described full noise elimination darkroom is stored;
Step 105: the allocation rule of determining probe antenna; The allocation rule of described probe antenna is:
Angle information according to each output port multipath grouping of described channel simulator grouped element, connected every group of multipath signal with the probe antenna of its corresponding analog angle;
Wherein, in the plane that the line that the angle of described probe antenna simulation is this probe antenna and described Devices to test forms at probe antenna, with respect to the angle of reference line, described reference line is the interior diameter of circumference that described probe antenna forms.
Step 106: according to the allocation rule of described probe antenna, the described L group multipath signal of output is connected with probe antenna according to its AOA value; Complete the distribution of described L group multipath signal to the respective angles probe antenna;
Step 107: described L group multipath signal is sent to Devices to test by described probe antenna, and the signal after described Devices to test processing is measured, obtain the radio-frequency performance of described Devices to test.
, by a kind of multi-antenna channel environmental simulation system and method based on full noise elimination darkroom is provided, there is following beneficial effect in the present invention:
1) on the basis based on full noise elimination darkroom, by multipath signal is carried out to packet transaction, thereby output port that can multipling channel emulation grouped element, solved the limited problem of described channel simulator grouped element output port number when having retained the angle information of multipath signal, reduced and added not the cost of number of devices because of the device port number;
2) carry out dynamic probe antenna resource by the multipath signal to after grouping and distribute, reappeared real unlimited multipath propagation environment, thereby can obtain the radio-frequency performance of Devices to test under many antennas scene.
Above execution mode is only for illustrating the present invention; and be not limitation of the present invention; the those of ordinary skill in relevant technologies field; without departing from the spirit and scope of the present invention; can also make a variety of changes and modification; therefore all technical schemes that are equal to also belong to category of the present invention, and scope of patent protection of the present invention should be defined by the claims.
Claims (10)
1. the multi-antenna channel environmental simulation system based on full noise elimination darkroom, is characterized in that, includes:
Base station simulator: for generation of N road signal, and described N road signal is sent to the channel simulator grouped element;
Described channel simulator grouped element: for described N road signal is processed, form K bar multipath signal, and export to the probe antenna allocation units by its output port after described K bar multipath signal is divided into to the L group;
Described probe antenna allocation units: for the probe antenna configuration information according to the complete actual use in noise elimination darkroom, the described L group multipath signal of input is connected with probe antenna;
Test cell, for described L group multipath signal is sent to Devices to test by described probe antenna, and utilize the signal after described base station simulator is processed described Devices to test to be measured, and obtains the radio-frequency performance of described Devices to test.
2. the system as claimed in claim 1, is characterized in that, described channel simulator grouped element further comprises:
Channel multi-path emulation subelement: after described N road signal is treated to K bar multipath signal by multipath channel, send it to multipath signal grouping subelement;
Passage Configuration Control Unit: for the configuration information according to described full noise elimination darkroom, determine the multipath signal rule of classification;
Described multipath signal grouping subelement: for according to described multipath signal rule of classification, after the described K bar multipath signal received is divided into to the L group, through output port, export to described probe antenna allocation units.
3. system as claimed in claim 2, is characterized in that, described probe antenna allocation units further comprise:
Darkroom Configuration Control Unit: for storing the probe antenna configuration information of the actual use in described full noise elimination darkroom, and feed back to described passage Configuration Control Unit;
Multipath distributes controls subelement: for determining the allocation rule of probe antenna;
Probe antenna connexon unit: according to the allocation rule of described probe antenna, be connected with probe antenna for the described L group multipath signal by input.
4. system as claimed in claim 3, is characterized in that, described multipath signal rule of classification is:
The AOA value of described every multipath signal is defined as: the integral multiple of angle simulation step-length that approaches the AOA actual value of this multipath signal most; The multipath signal that will have identical AOA value is divided into one group;
Wherein, the product of the probe antenna number of described angle simulation step-length and configuration is 360 °.
5. system as claimed in claim 4, is characterized in that, the allocation rule of described probe antenna is:
Angle information according to each output port multipath grouping of described channel simulator grouped element, connected every group of multipath signal with the probe antenna of its corresponding analog angle;
Wherein, in the plane that the line that the angle of described probe antenna simulation is this probe antenna and described Devices to test forms at probe antenna, with respect to the angle of reference line, described reference line is the interior diameter of circumference that described probe antenna forms.
6. the multi-antenna channel environmental simulation method based on full noise elimination darkroom, is characterized in that, comprises the following steps:
S1, according to channel model, N road signal is processed, form K bar multipath signal, and described K bar multipath signal be divided into to output after the L group;
The actual probe antenna configuration information used in S2, the full noise elimination of basis darkroom, organize multipath signal by the described L of input and be connected with probe antenna;
S3, described L group multipath signal is sent to Devices to test by described probe antenna, and the signal after described Devices to test is processed measured, obtained the radio-frequency performance of described Devices to test.
7. method as claimed in claim 6, is characterized in that, described step S1 further comprises:
S11, according to channel model, described N road signal is processed by multipath channel, form K bar multipath signal;
S12, according to the configuration information in described full noise elimination darkroom, determine the multipath signal rule of classification;
S13, according to described multipath signal rule of classification, the described K bar multipath signal received is divided into to output after the L group.
8. method as claimed in claim 7, is characterized in that, described step S2 further comprises:
S21, the probe antenna configuration information of the actual use in described full noise elimination darkroom is stored;
S22, determine the allocation rule of probe antenna;
S23, according to the allocation rule of described probe antenna, the described L group multipath signal of output is connected with probe antenna.
9. method as claimed in claim 8, is characterized in that, described multipath signal rule of classification is:
The AOA value of described every multipath signal is defined as: the integral multiple of angle simulation step-length that approaches the AOA actual value of this multipath signal most; The multipath signal that will have identical AOA value is divided into one group;
Wherein, the product of the probe antenna number of described angle simulation step-length and configuration is 360 °.
10. method as claimed in claim 9, is characterized in that, the allocation rule of described probe antenna is:
Angle information according to each output port multipath grouping of described channel simulator grouped element, connected every group of multipath signal with the probe antenna of its corresponding analog angle;
Wherein, in the plane that the line that the angle of described probe antenna simulation is this probe antenna and described Devices to test forms at probe antenna, with respect to the angle of reference line, described reference line is the interior diameter of circumference that described probe antenna forms.
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104168072A (en) * | 2014-08-01 | 2014-11-26 | 广州三星通信技术研究有限公司 | Signal detection device and method and system for detecting receiving and transmitting performance of mobile terminal |
| CN104902504A (en) * | 2015-06-08 | 2015-09-09 | 北京邮电大学 | Test system and test method for throughput capacity of multi-antenna mobile terminal |
| CN104917577A (en) * | 2015-06-11 | 2015-09-16 | 陈奕铭 | Darkroom multi-probe test system for performance of MIMO wireless terminal |
| CN105743553A (en) * | 2016-01-26 | 2016-07-06 | 北京邮电大学 | Uplink performance test system and method for multi-antenna mobile terminal |
| CN106209284A (en) * | 2016-07-07 | 2016-12-07 | 北京邮电大学 | The creation method of a kind of MIMO OTA channel and device |
| CN106230531A (en) * | 2016-07-25 | 2016-12-14 | 北京邮电大学 | A kind of MIMO OTA channel modeling method and device |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1710979A (en) * | 2004-06-17 | 2005-12-21 | 中兴通讯股份有限公司 | Quick dynamic channel distribution method for time-division CDMA communication system |
| US20080056340A1 (en) * | 2006-07-24 | 2008-03-06 | Michael Foegelle | Systems and methods for over the air performance testing of wireless devices with multiple antennas |
| CN101667873A (en) * | 2008-09-03 | 2010-03-10 | 中兴通讯股份有限公司 | Method and system for testing radio-frequency performance of receiver in multi-antenna channel environment |
| CN101772176A (en) * | 2008-12-30 | 2010-07-07 | 大唐移动通信设备有限公司 | Interference coordination method and access network device |
| CN102130725A (en) * | 2010-01-20 | 2011-07-20 | 中兴通讯股份有限公司 | Test method and system for over-the-air (OTA) performance of multi-aerial system |
| CN102148648A (en) * | 2010-02-05 | 2011-08-10 | 中兴通讯股份有限公司 | Space radio-frequency performance test method and system in multi-antenna system |
-
2013
- 2013-07-25 CN CN201310317370.3A patent/CN103441785B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1710979A (en) * | 2004-06-17 | 2005-12-21 | 中兴通讯股份有限公司 | Quick dynamic channel distribution method for time-division CDMA communication system |
| US20080056340A1 (en) * | 2006-07-24 | 2008-03-06 | Michael Foegelle | Systems and methods for over the air performance testing of wireless devices with multiple antennas |
| CN101667873A (en) * | 2008-09-03 | 2010-03-10 | 中兴通讯股份有限公司 | Method and system for testing radio-frequency performance of receiver in multi-antenna channel environment |
| CN101772176A (en) * | 2008-12-30 | 2010-07-07 | 大唐移动通信设备有限公司 | Interference coordination method and access network device |
| CN102130725A (en) * | 2010-01-20 | 2011-07-20 | 中兴通讯股份有限公司 | Test method and system for over-the-air (OTA) performance of multi-aerial system |
| CN102148648A (en) * | 2010-02-05 | 2011-08-10 | 中兴通讯股份有限公司 | Space radio-frequency performance test method and system in multi-antenna system |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104168072A (en) * | 2014-08-01 | 2014-11-26 | 广州三星通信技术研究有限公司 | Signal detection device and method and system for detecting receiving and transmitting performance of mobile terminal |
| CN104902504A (en) * | 2015-06-08 | 2015-09-09 | 北京邮电大学 | Test system and test method for throughput capacity of multi-antenna mobile terminal |
| CN104902504B (en) * | 2015-06-08 | 2018-12-18 | 北京邮电大学 | A kind of test macro and test method of the handling capacity of multiple antennas mobile terminal |
| CN104917577A (en) * | 2015-06-11 | 2015-09-16 | 陈奕铭 | Darkroom multi-probe test system for performance of MIMO wireless terminal |
| CN105743553A (en) * | 2016-01-26 | 2016-07-06 | 北京邮电大学 | Uplink performance test system and method for multi-antenna mobile terminal |
| CN106209284A (en) * | 2016-07-07 | 2016-12-07 | 北京邮电大学 | The creation method of a kind of MIMO OTA channel and device |
| CN106209284B (en) * | 2016-07-07 | 2018-10-16 | 北京邮电大学 | A kind of creation method and device of MIMO OTA channels |
| CN106230531A (en) * | 2016-07-25 | 2016-12-14 | 北京邮电大学 | A kind of MIMO OTA channel modeling method and device |
| CN106230531B (en) * | 2016-07-25 | 2018-10-16 | 北京邮电大学 | A kind of MIMO OTA channel modeling methods and device |
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