CN114362842A - Device and method suitable for detecting 5G high-frequency-band large-bandwidth multi-channel - Google Patents
Device and method suitable for detecting 5G high-frequency-band large-bandwidth multi-channel Download PDFInfo
- Publication number
- CN114362842A CN114362842A CN202111569946.6A CN202111569946A CN114362842A CN 114362842 A CN114362842 A CN 114362842A CN 202111569946 A CN202111569946 A CN 202111569946A CN 114362842 A CN114362842 A CN 114362842A
- Authority
- CN
- China
- Prior art keywords
- channel
- signal
- receiving
- frequency
- transmitting
- 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.)
- Granted
Links
- 238000000034 method Methods 0.000 title claims abstract description 12
- 238000001514 detection method Methods 0.000 claims abstract description 31
- 238000005259 measurement Methods 0.000 claims abstract description 29
- 238000007619 statistical method Methods 0.000 claims abstract description 11
- 238000012360 testing method Methods 0.000 claims description 23
- 238000012545 processing Methods 0.000 claims description 21
- 230000007274 generation of a signal involved in cell-cell signaling Effects 0.000 claims description 12
- 238000004458 analytical method Methods 0.000 claims description 10
- 230000005540 biological transmission Effects 0.000 claims description 7
- 238000001914 filtration Methods 0.000 claims description 6
- 239000000284 extract Substances 0.000 claims description 5
- 230000003321 amplification Effects 0.000 claims description 4
- 238000003199 nucleic acid amplification method Methods 0.000 claims description 4
- 230000003287 optical effect Effects 0.000 claims description 3
- 239000000126 substance Substances 0.000 claims description 2
- 238000004891 communication Methods 0.000 abstract description 2
- 238000001228 spectrum Methods 0.000 description 8
- 238000010586 diagram Methods 0.000 description 5
- 238000011160 research Methods 0.000 description 5
- 238000013461 design Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 230000010355 oscillation Effects 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 3
- 238000012795 verification Methods 0.000 description 3
- 238000007726 management method Methods 0.000 description 2
- 238000010295 mobile communication Methods 0.000 description 2
- 238000007792 addition Methods 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000002146 bilateral effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
Images
Abstract
The invention discloses a device and a method suitable for detecting a 5G high-frequency band large-bandwidth multi-channel, belonging to the field of wireless communication, wherein the device comprises a signal generating unit, a data acquisition receiving unit and a transmitting-receiving antenna; the signal generating unit completes generation and modulation of a 5G channel detection vector signal, the 5G channel detection vector signal in a wireless channel is transmitted to the wireless channel through an antenna, a receiving antenna receives the 5G channel detection vector signal in the wireless channel, a data acquisition receiving unit performs data acquisition, storage and demodulation, meanwhile, instantaneous channel parameters are extracted based on IQ data acquired by channel measurement, statistical analysis is performed on the extracted instantaneous channel measurement parameters, the average characteristic of a time-varying channel is described in a statistical mode, and channel modeling parameters are formed. The invention reflects the MIMO characteristic of the wireless channel more truly; 5G large-bandwidth channel measurement is realized through the large-bandwidth channel detection signal, and the wide-band channel measurement reflects the large-bandwidth characteristics of the wireless channel more truly.
Description
Technical Field
The invention belongs to the field of wireless communication, and particularly relates to a device and a method suitable for detecting a 5G high-frequency-band large-bandwidth multi-channel.
Background
While 5G (The 5th Generation Mobile Communication System, 5G) is a next-Generation Mobile Communication System, in terms of spectrum, 5G technology can further improve spectrum efficiency, 5G still faces new spectrum requirements. WRC-19 was specifically 1.13 entitled IMT system to find new frequencies, which relates to the frequency range of 24.25-86 GHz. For the 1.13 issue, CEPT has been discussed primarily with respect to frequency bands of priority or focus, which are 24.25-27.5GHz, 31.8-33.4GHz, 40.5-43.5GHz and 45.5-47.2 GHz. No matter which frequency band is planned for 5G, the boundary of compatibility analysis needs to be searched from a time domain, a frequency domain and a space domain. Therefore, when performing compatibility analysis, detailed information of usage and planning of other radio services in the relevant frequency band, including usage scenarios, locations, time, etc., needs to be grasped to better find a shared space. 5G faces to the field of high frequency band and large broadband, the frequency band is still in the exploration stage at present, and in the process of exploring the used frequency band, the electromagnetic compatibility analysis research must be carried out on the service of the adjacent or similar frequency band so as to protect the common healthy development of the bilateral service. It follows that the spectrum resources of future 5G systems will still be in short supply, and in addition to efficient utilization of allocated resources, 5G systems need to seek more spectrum resources.
The 5G high-frequency band channel detection becomes a key technology of a new spectrum resource of the 5G system, and can realize the analysis and verification of the key technology of the 5G system, the measurement and modeling of a key candidate frequency band wireless channel and the coexistence analysis of related radio services. At present, in China, a measuring scheme of a millimeter wave vector network analyzer, an antenna and a rotary table is mostly adopted for measuring the 5G high-frequency band propagation characteristics, and the first defect is that the measured parameter is time division, the Sub-6G is influenced less, and the influence on the millimeter wave cannot be ignored; the signal of the vector network analyzer is narrow-band, and the measurement of a 5G large-bandwidth channel is incomplete.
Disclosure of Invention
The invention aims to overcome the influence of the traditional time division and narrow-band channel measurement, and provides a device and a method for detecting a 5G high-frequency-band large-bandwidth multi-channel, which are used for synchronously realizing millimeter wave MIMO channel test through a system and have parallel channel test capability; 5G large-bandwidth channel measurement is realized through the large-bandwidth channel detection signal, so that the device has the capability of testing a broadband channel.
In order to achieve the purpose, the invention adopts the following technical scheme:
a multi-channel detection device suitable for 5G high-frequency band large bandwidth comprises a signal generation unit, a data acquisition receiving unit, a transmitting antenna and a receiving antenna; wherein the content of the first and second substances,
a signal generation unit configured to perform generation and modulation of a 5G channel sounding vector signal;
the data acquisition and receiving unit is configured to acquire, store and demodulate data, extract instantaneous channel parameters based on IQ data acquired by channel measurement, perform statistical analysis on the extracted instantaneous channel parameters, and describe the average characteristics of a time-varying channel in a statistical manner to form channel modeling parameters;
a transmit antenna configured for receiving a signal;
a receiving antenna configured for transmitting a signal;
the signal generation unit completes generation and modulation of a 5G channel detection vector signal, the 5G channel detection vector signal is transmitted to a wireless channel of a detected piece through a transmitting antenna, a receiving antenna receives the 5G channel detection vector signal in the wireless channel of the detected piece, a data acquisition and receiving unit performs data acquisition, storage and demodulation, meanwhile, instantaneous channel parameters are extracted based on IQ data acquired by channel measurement, the extracted instantaneous channel measurement parameters are subjected to statistical analysis, the average characteristic of a time-varying channel is described in a statistical mode, and channel modeling parameters are formed.
Preferably, the signal generating unit comprises a baseband transmitting and processing host, a millimeter wave multichannel transmitting extension, a power amplifier component, a mobile power supply and an atomic clock;
the baseband transmission processing host comprises an FPGA, a DSP and a DAC, and is configured to generate Nu paths of mutually orthogonal PN sequences according to the DAC data rate of a transmitting end, the required transmitting signal bandwidth, the time length of transmitting waveforms and the number of channels, and respectively generate Nu paths of I/Q baseband signals according to the Nu paths of PN sequences and output the Nu paths of I/Q baseband signals to the millimeter wave multichannel transmitter-slave set;
the millimeter wave multichannel transmitting extension set comprises a transmitting channel module and a local oscillator module; the baseband signal enters a modulator of a transmitting channel module, the local oscillator module generates a local oscillator signal according to the carrier frequency required to be transmitted by the signal generating unit, the local oscillator signal enters the transmitting channel module, is subjected to frequency multiplication and filtering and then is input to the modulator, and the modulator modulates the baseband signal into a radio frequency signal and outputs the radio frequency signal to a power amplifier component;
the power amplifier assembly is configured to amplify the power of the radio-frequency signal and then output the radio-frequency signal to the transmitting antenna;
an atomic clock configured for providing a GPS reference clock and a synchronization signal for synchronization of the signal generation unit;
and the mobile power supply is configured to provide an alternating current output and power supply for the signal generation unit for outdoor channel test requirements.
Preferably, the data acquisition receiving unit comprises a baseband receiving and processing host, a millimeter wave multichannel receiving extension, a storage device, a low-noise amplifier component, a mobile power supply and an atomic clock;
the millimeter wave multichannel receiving extension set comprises a receiving channel module and a local oscillator module; the receiving channel module receives the radio frequency signal, the radio frequency signal enters a frequency mixer in the receiving module after amplitude adjustment, and a local oscillator module generates a corresponding local oscillator signal according to the signal frequency received by the receiving channel and inputs the local oscillator signal to the frequency mixer after frequency multiplication and filtering; an intermediate frequency baseband signal mixed by a mixer in a receiving channel is amplified and filtered and then input to a baseband receiving and processing host computer for signal analysis;
the baseband receiving and processing host comprises an FPGA, a DSP and an ADC, wherein intermediate-frequency baseband signals are acquired through the AD, divided into IQ two paths of 16-bit signals, processed through a baseband and transmitted to a storage device through an optical interface;
a storage device configured to store the processed channel sounding data, extract instantaneous channel parameters, and perform statistical analysis on the extracted channel measurement instantaneous parameters, describing average characteristics of a time-varying channel in a statistical manner, forming channel parameters;
the low-noise amplification component is configured to receive a low-power radio-frequency signal through the receiving antenna, amplify the low-power radio-frequency signal and output the amplified low-power radio-frequency signal to the millimeter wave multichannel receiving extension set;
an atomic clock configured to provide a GPS reference clock and a synchronization signal for synchronization of the data acquisition receiving unit;
and the mobile power supply is configured to provide alternating current output, and provide power for the data acquisition receiving unit for outdoor channel test requirements.
In addition, the invention also provides a method for detecting a 5G high-frequency band large-bandwidth multi-channel, which adopts the above-mentioned device for detecting a 5G high-frequency band large-bandwidth multi-channel, and specifically comprises the following steps:
step 1: the generation and modulation of the 5G channel detection vector signal are completed through a signal generation unit;
step 2: transmitting the 5G channel detection vector signal to a wireless channel of a tested piece through a transmitting antenna;
and step 3: a receiving antenna receives a 5G channel detection vector signal in a wireless channel of a tested piece;
and 4, step 4: the data acquisition, storage and demodulation are carried out through the data acquisition and receiving unit, instantaneous channel parameters are extracted based on IQ data acquired by channel measurement, the extracted instantaneous channel parameters are subjected to statistical analysis, the average characteristic of a time-varying channel is described in a statistical mode, and channel modeling parameters are formed.
The invention has the following beneficial technical effects:
by the multi-channel MIMO channel test, the parallel channel test can more truly reflect the MIMO characteristic of the wireless channel; 5G large-bandwidth channel measurement is realized through the large-bandwidth channel detection signal, and the large-bandwidth characteristic of the wireless channel is reflected more truly by the wide-bandwidth channel measurement; the device has flexible expandability in working frequency points, channel numbers, working modes and the like, and can realize key technical analysis and verification of a 5G system and measurement and modeling of key candidate frequency band wireless channels; the method provides technical support for planning and distributing frequency resources of important services and the like, and serves the research of 5G channels of national radio spectrum management and scientific research institutes.
The invention can reflect the MIMO characteristic of the wireless channel more truly by the multi-channel MIMO channel test and the parallel channel test.
The invention realizes the 5G large-bandwidth channel measurement through the large-bandwidth channel detection signal, and the wide-band channel test more truly reflects the large-bandwidth characteristics of the wireless channel.
The invention separates the baseband processing and the radio frequency processing, and is beneficial to system upgrading and expansion.
The invention adopts parallel MIMO broadband detection, which is beneficial to system upgrade and expansion.
The millimeter wave multichannel transmitting extension adopts a local oscillation design principle, can realize MIMO test, miniaturization and cost reduction, and is convenient for cascade connection and synchronization among channels.
The millimeter wave multichannel receiving extension adopts a local oscillation design principle, can realize MIMO test, miniaturization and cost reduction, and is convenient for cascade connection and synchronization among channels.
Drawings
FIG. 1 is a block diagram of a 5G high-band large-bandwidth multi-channel detection device;
FIG. 2 is a schematic block diagram of a baseband transmit processing host;
FIG. 3 is a schematic block diagram of a millimeter wave multichannel transmitter extension;
FIG. 4 is a schematic block diagram of a millimeter wave multichannel receiver extension;
FIG. 5 is a schematic block diagram of a baseband receive processing host;
fig. 6 is a flow chart of channel sounding signal processing.
Detailed Description
The invention is described in further detail below with reference to the following figures and detailed description:
the device comprises a signal generating unit, a data acquisition receiving unit and a transceiving antenna, and as shown in figure 1, millimeter wave MIMO channel test is realized through an atomic clock synchronous signal, so that the device has parallel channel test capability; 5G large-bandwidth channel measurement is realized through the large-bandwidth channel detection signal, so that the device has the capability of testing a broadband channel.
The invention provides a multi-channel detection device suitable for 5G high-frequency band and large bandwidth, which comprises: the device comprises a signal generating unit, a data acquisition and receiving unit and a transceiving antenna, wherein the signal generating unit comprises a baseband transmitting and processing host, a millimeter wave multi-channel transmitting extension, a power amplifier component, a mobile power supply and an atomic clock; the data acquisition receiving unit comprises a baseband receiving and processing host, a millimeter wave multichannel receiving extension, a large-capacity storage device, a low-noise amplifier component, a mobile power supply and an atomic clock. The signal generation unit completes generation and modulation of a 5G channel detection vector signal, the 5G channel detection vector signal in the wireless channel of the detected piece is transmitted to the wireless channel of the detected piece through the antenna, the receiving antenna receives the 5G channel detection vector signal in the wireless channel of the detected piece, the data acquisition and receiving unit performs data acquisition, storage and demodulation, meanwhile, instantaneous channel parameters are extracted based on IQ data acquired by channel measurement, statistical analysis is performed on the extracted instantaneous channel measurement parameters, the average characteristic of a time-varying channel is described in a statistical mode, channel modeling parameters are formed, and implementation example parameters based on the device are shown in a table 2.
System parameter configuration table
| Configuring parameters | 24-86GHz measurement |
| Center frequency | 26GHz |
| Bandwidth of | 1GHz |
| Number of channels | 16 |
| Transmission power | 30dBm |
| Minimum resolution | 0.005Hz |
| Displaying noise level | ≦ -65dBm @ (1GHz bandwidth) |
| DAC/ADC data rates | 2.4576GSPS |
| Transmitting antenna | 4 x 4 planar antenna array |
| Receiving antenna | 4 x 4 planar antenna array |
| Antenna gain | 25dBi |
| Gain of power amplifier | 20dB |
The baseband transmission processing host comprises an FPGA + DSP, a DAC board card and the like, as shown in FIG. 2, 16 mutually orthogonal PN sequences are generated according to a DAC data rate (2.4576GSPS), a required transmission signal bandwidth (1GHz), a time length (10ms) for transmitting a waveform and a channel number (16), and Nu paths of I/Q baseband signals are respectively generated according to the 16 paths of PN sequences and output to the millimeter wave multichannel transmission extension set.
The millimeter wave multichannel transmitting extension set comprises a control interface module, a transmitting channel module and a local oscillation module, as shown in fig. 3, the number of channels is 16, the bandwidth is 1GHz, and the frequency resolution is 0.005 Hz; the baseband signal enters a modulator of a transmitting channel module, and a local oscillator module generates a local oscillator signal according to the carrier frequency required to be transmitted by a signal generating unit, enters a transmitting channel, is subjected to frequency multiplication and filtering, and then is input to the modulator. The modulator modulates the baseband signal and outputs the radio frequency signal to the power amplifier component through amplitude control of the transmitting channel. The millimeter wave multichannel transmitting extension adopts a local oscillator design principle, can realize MIMO test and reduce cost.
The power amplifier component selects 16 80215FD amplifiers with 20dB gain, 16 80215KB amplifiers and 16 80215NF amplifiers to realize 24-86GHz frequency band coverage and 30dB signal output. The radio frequency signal enters the power amplification component to carry out power amplification and output to the antenna for transmission, so that the detection requirement of the long-distance channel space is met.
The low-noise amplifier components select 16 80230F low-noise amplifiers with noise coefficients lower than 4dBd, 16 80230KA low-noise amplifiers and 16 80230NB low-noise amplifiers to improve the small signal receiving capacity of the data acquisition receiving unit. The low-noise amplifying component receives a low-power radio-frequency signal through the receiving antenna, amplifies the radio-frequency signal and outputs the millimeter wave multichannel receiving extension set.
The millimeter wave multichannel receiving extension comprises a control interface module, a receiving channel module and a local oscillation module, as shown in FIG. 4, the number of channels is 16, the bandwidth is 1GHz, the frequency resolution is 0.005Hz, and the display noise level is less than-65 dBm @ (1GHz bandwidth); the receiving channel module receives the radio frequency signal, the radio frequency signal enters a frequency mixer in the receiving module after amplitude adjustment, and the local oscillator module generates a corresponding local oscillator signal according to the signal frequency received by the receiving channel and inputs the local oscillator signal to the frequency mixer after frequency multiplication and filtering. The mixer in the receiving channel mixes the intermediate frequency baseband signal, amplifies and filters the intermediate frequency baseband signal, and inputs the intermediate frequency baseband signal to the baseband receiving and processing host computer for signal analysis. The millimeter wave multichannel receiving extension adopts a local oscillator design principle, can realize MIMO test and reduce cost.
The baseband receiving and processing host comprises an FPGA + DSP, an ADC board card and the like, and as shown in FIG. 5, the intermediate frequency point is 614.4MHz, and the sampling data rate is 2.4576 GSPS. Intermediate frequency baseband signals are collected through an ADC board card, divided into IQ two paths of 16bit signals, processed through a baseband and transmitted to mass storage equipment through an optical interface.
The mass storage device stores the channel sounding data after long-time processing, extracts instantaneous channel parameters, performs statistical analysis on the extracted instantaneous channel measurement parameters, describes the average characteristics of the time-varying channel in a statistical manner, and forms channel parameters, and the flow of the process is shown in fig. 6.
The atomic clock selects two BM1304-25A GPS/BDS models, is respectively used for the signal generating unit and the data acquisition receiving unit, provides a high-performance GPS/BDS atomic frequency standard, has abundant output signal types and quantity, has the characteristics of higher frequency accuracy and long-term frequency stability, can provide a high-performance GPS reference clock and a synchronizing signal, and is used for synchronizing the signal generating unit and the data acquisition receiving unit.
The mobile power supply adopts a power frequency online UPS and an advanced full DSP digital control technology, can meet the mobility and power supply requirements of test schemes under various scenes, can meet the battery backup time of more than 6 hours when the load is about 800w, provides power for the signal generating unit and the data acquisition receiving unit, and is used for outdoor channel test requirements.
By the multi-channel MIMO channel test, the parallel channel test can more truly reflect the MIMO characteristic of the wireless channel; 5G large-bandwidth channel measurement is realized through the large-bandwidth channel detection signal, and the large-bandwidth characteristic of the wireless channel is reflected more truly by the wide-bandwidth channel measurement; the device has flexible expandability in working frequency points, channel numbers, working modes and the like, and can realize key technical analysis and verification of a 5G system and measurement and modeling of key candidate frequency band wireless channels; the method provides technical support for planning and distributing frequency resources of important services and the like, and serves the research of 5G channels of national radio spectrum management and scientific research institutes.
It is to be understood that the above description is not intended to limit the present invention, and the present invention is not limited to the above examples, and those skilled in the art may make modifications, alterations, additions or substitutions within the spirit and scope of the present invention.
Claims (4)
1. A multi-channel detection device suitable for 5G high-frequency band and large bandwidth is characterized in that: the device comprises a signal generating unit, a data acquisition and receiving unit, a transmitting antenna and a receiving antenna; wherein the content of the first and second substances,
a signal generation unit configured to perform generation and modulation of a 5G channel sounding vector signal;
the data acquisition and receiving unit is configured to acquire, store and demodulate data, extract instantaneous channel parameters based on IQ data acquired by channel measurement, perform statistical analysis on the extracted instantaneous channel parameters, and describe the average characteristics of a time-varying channel in a statistical manner to form channel modeling parameters;
a transmit antenna configured for receiving a signal;
a receiving antenna configured for transmitting a signal;
the signal generation unit completes generation and modulation of a 5G channel detection vector signal, the 5G channel detection vector signal is transmitted to a wireless channel of a detected piece through a transmitting antenna, a receiving antenna receives the 5G channel detection vector signal in the wireless channel of the detected piece, a data acquisition and receiving unit performs data acquisition, storage and demodulation, meanwhile, instantaneous channel parameters are extracted based on IQ data acquired by channel measurement, the extracted instantaneous channel measurement parameters are subjected to statistical analysis, the average characteristic of a time-varying channel is described in a statistical mode, and channel modeling parameters are formed.
2. The apparatus of claim 1, wherein the apparatus is suitable for 5G high-band large-bandwidth multi-channel sounding: the signal generating unit comprises a baseband transmitting and processing host, a millimeter wave multi-channel transmitting extension, a power amplifier assembly, a mobile power supply and an atomic clock;
the baseband transmission processing host comprises an FPGA, a DSP and a DAC, and is configured to generate Nu paths of mutually orthogonal PN sequences according to the DAC data rate of a transmitting end, the required transmitting signal bandwidth, the time length of transmitting waveforms and the number of channels, and respectively generate Nu paths of I/Q baseband signals according to the Nu paths of PN sequences and output the Nu paths of I/Q baseband signals to the millimeter wave multichannel transmitter-slave set;
the millimeter wave multichannel transmitting extension set comprises a transmitting channel module and a local oscillator module; the baseband signal enters a modulator of a transmitting channel module, the local oscillator module generates a local oscillator signal according to the carrier frequency required to be transmitted by the signal generating unit, the local oscillator signal enters the transmitting channel module, is subjected to frequency multiplication and filtering and then is input to the modulator, and the modulator modulates the baseband signal into a radio frequency signal and outputs the radio frequency signal to a power amplifier component;
the power amplifier assembly is configured to amplify the power of the radio-frequency signal and then output the radio-frequency signal to the transmitting antenna;
an atomic clock configured for providing a GPS reference clock and a synchronization signal for synchronization of the signal generation unit;
and the mobile power supply is configured to provide an alternating current output and power supply for the signal generation unit for outdoor channel test requirements.
3. The apparatus of claim 1, wherein the apparatus is suitable for 5G high-band large-bandwidth multi-channel sounding: the data acquisition and receiving unit comprises a baseband receiving and processing host, a millimeter wave multichannel receiving extension, a storage device, a low-noise amplifier component, a mobile power supply and an atomic clock;
the millimeter wave multichannel receiving extension set comprises a receiving channel module and a local oscillator module; the receiving channel module receives the radio frequency signal, the radio frequency signal enters a frequency mixer in the receiving module after amplitude adjustment, and a local oscillator module generates a corresponding local oscillator signal according to the signal frequency received by the receiving channel and inputs the local oscillator signal to the frequency mixer after frequency multiplication and filtering; an intermediate frequency baseband signal mixed by a mixer in a receiving channel is amplified and filtered and then input to a baseband receiving and processing host computer for signal analysis;
the baseband receiving and processing host comprises an FPGA, a DSP and an ADC, wherein intermediate-frequency baseband signals are acquired through the AD, divided into IQ two paths of 16-bit signals, processed through a baseband and transmitted to a storage device through an optical interface;
a storage device configured to store the processed channel sounding data, extract instantaneous channel parameters, and perform statistical analysis on the extracted channel measurement instantaneous parameters, describing average characteristics of a time-varying channel in a statistical manner, forming channel parameters;
the low-noise amplification component is configured to receive a low-power radio-frequency signal through the receiving antenna, amplify the low-power radio-frequency signal and output the amplified low-power radio-frequency signal to the millimeter wave multichannel receiving extension set;
an atomic clock configured to provide a GPS reference clock and a synchronization signal for synchronization of the data acquisition receiving unit;
and the mobile power supply is configured to provide alternating current output, and provide power for the data acquisition receiving unit for outdoor channel test requirements.
4. A method for detecting 5G high-frequency band large-bandwidth multi-channel channels is characterized by comprising the following steps: the method for detecting the 5G high-frequency band large-bandwidth multi-channel as claimed in claim 1 comprises the following steps:
step 1: the generation and modulation of the 5G channel detection vector signal are completed through a signal generation unit;
step 2: transmitting the 5G channel detection vector signal to a wireless channel of a tested piece through a transmitting antenna;
and step 3: a receiving antenna receives a 5G channel detection vector signal in a wireless channel of a tested piece;
and 4, step 4: the data acquisition, storage and demodulation are carried out through the data acquisition and receiving unit, instantaneous channel parameters are extracted based on IQ data acquired by channel measurement, the extracted instantaneous channel parameters are subjected to statistical analysis, the average characteristic of a time-varying channel is described in a statistical mode, and channel modeling parameters are formed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111569946.6A CN114362842B (en) | 2021-12-21 | 2021-12-21 | Device and method suitable for 5G high-frequency band large-bandwidth multichannel channel detection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111569946.6A CN114362842B (en) | 2021-12-21 | 2021-12-21 | Device and method suitable for 5G high-frequency band large-bandwidth multichannel channel detection |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114362842A true CN114362842A (en) | 2022-04-15 |
| CN114362842B CN114362842B (en) | 2024-04-19 |
Family
ID=81100941
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111569946.6A Active CN114362842B (en) | 2021-12-21 | 2021-12-21 | Device and method suitable for 5G high-frequency band large-bandwidth multichannel channel detection |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114362842B (en) |
Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR19990069000A (en) * | 1998-02-03 | 1999-09-06 | 윤종용 | Broadband Characteristic Measurement and Analysis Device for Millimeter-wave Indoor Channel Using Spread Spectrum Signal and Its Method |
| WO2008060298A2 (en) * | 2006-11-16 | 2008-05-22 | Intellifit Corporation | Gain compensation in an ultra-wideband transceiver |
| CN101373217A (en) * | 2008-08-28 | 2009-02-25 | 阮树成 | Millimeter wave marine frequency modulation multichannel anti-collision radar |
| CN201910922U (en) * | 2010-09-28 | 2011-07-27 | 北京交通大学 | High-speed data acquisition device for channel detection |
| US20110205911A1 (en) * | 2007-09-20 | 2011-08-25 | Electronics And Telecommunications Research Institute | System for channel sounding of broadband signal carrier mobile communications and method thereof |
| CN102983920A (en) * | 2012-11-15 | 2013-03-20 | 北京交通大学 | Wireless communication channel detection method and wireless communication channel detection device |
| CN103905131A (en) * | 2014-03-11 | 2014-07-02 | 上海永畅信息科技有限公司 | Expressway vehicle sensing system and method based on space channel detection |
| US20160127053A1 (en) * | 2014-11-05 | 2016-05-05 | Custom Link Corporation | Apparatus and method for receiver with interference tolerance |
| US20160262111A1 (en) * | 2014-02-10 | 2016-09-08 | Telefonaktiebolaget Lm Ericsson (Publ) | Inter-Network Assisted Power Control for Interference Mitigation of D2D Communications |
| US20180054294A1 (en) * | 2015-02-26 | 2018-02-22 | New York University | Systems, methods, and computer-accessible media for measuring or modeling a wideband, millimeter-wave channel and methods and systems for calibrating same |
| CN110944380A (en) * | 2019-10-30 | 2020-03-31 | 上海无线通信研究中心 | MIMO parallel channel detection device and method for millimeter wave communication |
| CN111541485A (en) * | 2020-04-23 | 2020-08-14 | 清华大学 | Visible light MIMO communication system under high correlation channel |
-
2021
- 2021-12-21 CN CN202111569946.6A patent/CN114362842B/en active Active
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR19990069000A (en) * | 1998-02-03 | 1999-09-06 | 윤종용 | Broadband Characteristic Measurement and Analysis Device for Millimeter-wave Indoor Channel Using Spread Spectrum Signal and Its Method |
| WO2008060298A2 (en) * | 2006-11-16 | 2008-05-22 | Intellifit Corporation | Gain compensation in an ultra-wideband transceiver |
| US20110205911A1 (en) * | 2007-09-20 | 2011-08-25 | Electronics And Telecommunications Research Institute | System for channel sounding of broadband signal carrier mobile communications and method thereof |
| CN101373217A (en) * | 2008-08-28 | 2009-02-25 | 阮树成 | Millimeter wave marine frequency modulation multichannel anti-collision radar |
| CN201910922U (en) * | 2010-09-28 | 2011-07-27 | 北京交通大学 | High-speed data acquisition device for channel detection |
| CN102983920A (en) * | 2012-11-15 | 2013-03-20 | 北京交通大学 | Wireless communication channel detection method and wireless communication channel detection device |
| US20160262111A1 (en) * | 2014-02-10 | 2016-09-08 | Telefonaktiebolaget Lm Ericsson (Publ) | Inter-Network Assisted Power Control for Interference Mitigation of D2D Communications |
| CN103905131A (en) * | 2014-03-11 | 2014-07-02 | 上海永畅信息科技有限公司 | Expressway vehicle sensing system and method based on space channel detection |
| US20160127053A1 (en) * | 2014-11-05 | 2016-05-05 | Custom Link Corporation | Apparatus and method for receiver with interference tolerance |
| US20180054294A1 (en) * | 2015-02-26 | 2018-02-22 | New York University | Systems, methods, and computer-accessible media for measuring or modeling a wideband, millimeter-wave channel and methods and systems for calibrating same |
| CN110944380A (en) * | 2019-10-30 | 2020-03-31 | 上海无线通信研究中心 | MIMO parallel channel detection device and method for millimeter wave communication |
| CN111541485A (en) * | 2020-04-23 | 2020-08-14 | 清华大学 | Visible light MIMO communication system under high correlation channel |
Non-Patent Citations (5)
| Title |
|---|
| AIDAR A. GALIEV等: "Contribution Estimation of Malicious External Modulation into Phase of Multipath Signal", 《2019 RUSSIAN OPEN CONFERENCE ON RADIO WAVE PROPAGATION (RWP)》, 26 August 2019 (2019-08-26) * |
| 刘月亮;蒋宇中;张春雷;张伟;: "自动扫频短波信道斜向探测系统设计与实现", 电波科学学报, no. 01, 15 February 2013 (2013-02-15) * |
| 王腾荫, 闫茗: "毫米波通信系统的射频信道性能测试方法", 自然科学进展, no. 11, 25 November 2004 (2004-11-25) * |
| 谢建国;王浩文;桂云松;: "一种用于毫米波信道测试与建模的并行信道测试仪", 电信工程技术与标准化, no. 07, 11 July 2018 (2018-07-11) * |
| 赵润年;汤瑞;: "一种矢量信号解调和频谱分析的射频接收通道设计", 国外电子测量技术, no. 04, 15 April 2018 (2018-04-15) * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN114362842B (en) | 2024-04-19 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| Machado-Fernández | Software defined radio: Basic principles and applications | |
| US9210598B1 (en) | Systems and methods for measuring passive intermodulation (PIM) and return loss | |
| CN110554259B (en) | Integrated vector network analyzer suitable for modulation domain and measurement method | |
| CN102752061B (en) | Device and method for generating reference signal of phase-locked amplifier of millimeter wave attenuation measurement system | |
| CN109975772B (en) | Multi-system radar interference performance detection system | |
| CN101534160A (en) | Wireless channel parameter measurement device and method thereof | |
| CN109451509B (en) | NB-IOT base station signal measuring equipment and its measuring processing method | |
| CN110034831B (en) | Low-complexity frequency spectrum monitoring device and method | |
| CN111308579A (en) | L-waveband narrow-band electronic sonde | |
| CN114362842B (en) | Device and method suitable for 5G high-frequency band large-bandwidth multichannel channel detection | |
| CN105425060B (en) | A kind of interference detection method and detecting system of antenna coupling | |
| CN115792376A (en) | Broadband spectrum monitoring system and method | |
| CN116488752A (en) | Simulation test device and test method for aviation high-frequency signals | |
| CN1980100B (en) | Real-time continuous wide-band wire-less transmitting detection method and apparatus | |
| CN110429997A (en) | A kind of wireless performance test method and system | |
| CN116418415A (en) | Electromagnetic signal data acquisition system | |
| CN104967491A (en) | Multi-channel amplitude and phase testing system signal reception processing method | |
| CN205961090U (en) | NB ioT pilot signal generating device | |
| CN211579979U (en) | Wi-Fi wireless test system and device | |
| Minucci et al. | Measuring 5G electric fields strength with software defined radios | |
| CN110557204A (en) | Device and method for testing electromagnetic interference between wireless communication systems | |
| CN102594431B (en) | Tower mounted amplifier and antenna | |
| CN216437202U (en) | Antenna isolation degree detection device of microminiature repeater | |
| CN215345085U (en) | 230MHz wireless data transmission equipment test system | |
| CN113078934B (en) | VHF measurement and control communication receiver based on micro-nano satellite platform and implementation method thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant |