CN106375041B - Mancarried device for radio communication channel characteristic parameter extraction - Google Patents
Mancarried device for radio communication channel characteristic parameter extraction Download PDFInfo
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- CN106375041B CN106375041B CN201610717096.2A CN201610717096A CN106375041B CN 106375041 B CN106375041 B CN 106375041B CN 201610717096 A CN201610717096 A CN 201610717096A CN 106375041 B CN106375041 B CN 106375041B
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- H—ELECTRICITY
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- H04B17/00—Monitoring; Testing
- H04B17/30—Monitoring; Testing of propagation channels
Abstract
The present invention discloses a kind of mancarried device for radio communication channel characteristic parameter extraction, specifically for the environment parameter under the differentiation feature and perception special scenes in wireless channel under extraction complex electromagnetic environment, and the mathematical description of parameter attribute and the statistical law of change in time and space are provided, and then support patent working personnel by adjusting radio communication channel relevant parameter to improve the availability of frequency spectrum.The device includes primary treatment module, secondary identification module, wireless signal acquiring module and environmentally sensitive module, using signal processing, identification and the three-level of understanding balance-type Digitized Structure, have the advantages that integrated level is high, data-handling capacity is strong, using flexible, can adapt to big instant bandwidth, fast time variant wireless communication plunge into the commercial sea measure feature parameter high-precision and full probability receive, extraction and assessment, under complex electromagnetic environment communication network optimization produce important in inhibiting.
Description
Technical field
The present invention relates to wireless communication technology fields, especially a kind of to be used for radio communication channel characteristic parameter extraction just
Portable device.
Background technology
The extensive use of " internet " and " Internet of Things " in recent years, stimulation wireless communication industry are quickly sent out with surprising rapidity
Exhibition rapidly increases by the visualization of carrier application of mobile communication so that band resource is more and more nervous and valuable, same with this
When, cognition wireless technology has the spy that occupation mode is flexible, the availability of frequency spectrum is high and frequency spectrum can not be used by authorizing
Point receives significant attention, and the most significant ability of cognitive radio is then the perception to wireless channel and electromagnetic environment.Transmitting-receiving dress
Electromagnetic links are formed by the spy for the wireless channel that wireless channel is closely related with local environment, under different electromagnetic environments between setting
Sign also differs.Therefore, the feature of the differentiation in wireless channel is extracted, it is wireless especially in special scenes or different zones
The differentiation feature of channel, and the mathematical description of science is provided, to recognizing and holding the statistical law of wireless environment change in time and space,
It is final to keep smooth communication and user's interference is avoided to have great significance.
Radio communication channel characteristic parameter is received and is extracted by digital receiver, these signals are non-co-operation signal,
Number, bandwidth, position all have non-intellectual, and time-varying characteristics are notable；Modern communications and power electronic technique develop on an unprecedented scale, nothing
Electromagnetic environment residing for line channel is increasingly sophisticated.Therefore, it needs to have for the fore device or receiver of channel characteristics parameter extraction
Standby big bandwidth, high-precision, high sensitivity, Larger Dynamic range, the parallel processing capability in real time of multi signal, to realize in detecting frequency band
The full probability of signal receives and recognizes.
FPGA has many advantages, such as that high-speed parallel, resourceful, design can be reconstructed flexibly, meanwhile, multi-core DSP chip technology
Either technique or operational capability, which achieve, develops on an unprecedented scale, the multi-stage data processing based on FPGA and DSP and identification
System architecture obtained in fields such as communication, electronics, space flight because its integrated level is high, signal processing tasks distribute the advantages such as equilibrium
It is widely applied.Relative to tradition using computer as the huge architectural framework of core and the limited problem of application, design and
The portable equipment for developing the radio communication channel characteristic parameter extraction with powerful data processing function, according to the space-time of acquisition
Change statistical law to adjust radio communication channel relevant parameter（Such as carrier frequency, bandwidth and transmission power etc.）, Jin Erti
High spectrum utilization produces important in inhibiting to the optimization of communication network under complex electromagnetic environment.
Invention content
The technical problem to be solved by the present invention is to, overcome tradition it is bulky as the Integrated Solution of core using computer, answer
With limited problem, a kind of system architecture of multilevel signal processing and identification based on FPGA and DSP is provided, being built into can
For the mancarried device of radio communication channel characteristic parameter extraction, the statistics for analyzing change in time and space in radio communication channel
Rule, and then optimize messaging parameter and promote the availability of frequency spectrum.
The technical solution adopted by the present invention to solve the technical problems is：
For the mancarried device of radio communication channel characteristic parameter extraction, including primary treatment module, secondary identification mould
Block, wireless signal acquiring module and environmentally sensitive module；Wireless signal acquiring module is bi-directionally connected with primary treatment module, environment
Sensing module is bi-directionally connected with primary treatment module, and primary treatment module is bi-directionally connected with secondary identification module；
The wireless signal acquiring module, the coupling of the spatial electromagnetic signal for completing radio communication channel, down coversion
And analog-to-digital conversion；And transmit the downconverted digitlization spatial electromagnetic signal with after analog-to-digital conversion to primary treatment module；
The environmentally sensitive module, for area of space where completing mancarried device described in implementation process of the present invention
The transformation and perception of environment parameter, typical environment parameter include air pressure, temperature, humidity, height above sea level and GPS latitude, longitudes letter
Breath；And transmit the digitized environment parameter after transformed and perception to primary treatment module U1；
The primary treatment module digitizes letter for completing collected by wireless signal acquiring module and environmentally sensitive module
Number（Digitlization spatial electromagnetic signal after the downconverted and analog-to-digital conversion that i.e. wireless signal acquiring module is sent, by ring
Digitized environment parameter after the transformed and perception that border sensing module is sent）Reception and primary treatment, it is typical just
Grade processing includes signal filtering, information sifting, parameter calibration and amendment；Meanwhile primary treatment module is in environmentally sensitive module
Environmental sensor carry out initial configuration；Primary treatment module is to wireless signal acquiring mould analog-digital converter in the block into every trade
For logic control；
The secondary identification module is carried out for receiving the data packet from primary treatment module, and to the data packet
Parameter Estimation and information identification；The key feature information of identification is fed back into primary treatment module simultaneously, so that at primary
Reason module in time makes the action of such as adjustment filtering window function or fine sorting information；The representative key feature of identification is believed
Breath includes：Centre frequency, signal strength, noise level, modulation format of signal etc..
The mancarried device for radio communication channel characteristic parameter extraction of the present invention has following connection pass with extraneous
System：Wireless signal acquiring module and environmentally sensitive module are respectively connect with radio communication channel, secondary identification module and rear class
Understanding Module is bi-directionally connected.
The mancarried device for radio communication channel characteristic parameter extraction of the present invention has following signal topological relation：
The primal environment parameter S1 input environment sensing modules of radio communication channel obtain digitized environment ginseng after transformation and perception
Amount S3 is re-fed into primary treatment module；The luv space electromagnetic signal S2 of radio communication channel inputs wireless signal acquiring module,
Digitlization spatial electromagnetic signal S4 is obtained after down coversion and analog-to-digital conversion is re-fed into primary treatment module；Primary treatment module
Signal S3 and S4 after being digitized to two-way obtain the first processing signal, the first processing letter after carrying out the typical primary treatment
Number, S3 and S4 be packaged into the first data packet S5 and be sent into secondary identification module thereafter；Secondary processing module to data packet S5 into
The row parameter Estimation and information identify to obtain second processing signal, and second processing signal, S3 and S4 are packaged into the second number
It is sent into rear class Understanding Module thereafter according to packet S6；Oppositely, primary treatment module can be to environmentally sensitive mould environmentally sensitive in the block
Device carries out initial configuration, also can carry out Action logic control to wireless signal acquiring mould analog-digital converter in the block；In order to adjust
The key feature information of identification can be fed back to primary treatment mould by whole and optimization primary treatment module performance, secondary identification module
Block；In order to adjust and optimize the performance of secondary processing module, the key feature information that rear class Understanding Module can will be understood that is fed back to
Secondary processing module；To constitute the closed loop of data processing link.
Rear class Understanding Module can be embodied at the band data storage such as embedded device, industrial personal computer or server and information
The hardware device and software assembly of reason.
Primary treatment kernel is with IP CORE（Intellectual Property, IP core）Form be integrated in
In FPGA pieces, mainly by being constituted with the domestic-investment source of bottom sheet：DSP48E slices (DSP48E units), LUTs (Look-up
Tables, look-up table), DB-RAM (Dual-port RAM Blocks, dual port RAM), FIFO (First Input First
Output First Input First Outputs) and SM (Share Memories, shared memory.
Secondary identification kernel is integrated in the form of function library in DSP pieces, mainly by being constituted with the domestic-investment source of bottom sheet：MDB
（Mult-Data Bus, more data/address bus）,ALU（Arithmetic Logic Unit, arithmetic logic unit）,PM
（Parallel Multiplier, parallel multiplier）And OC-RAM（On-chip RAM, on-chip memory）.
Preferably, above-mentioned in the mancarried device of radio communication channel characteristic parameter extraction, the wireless signal
Acquisition module includes array antenna, low-converter and analog-digital converter.Array antenna, low-converter and analog-digital converter connect successively
It connects；Wireless signal acquiring module is connected by array antenna with radio communication channel.
The array antenna completes the reception of the electromagnetic signal in radio communication channel；
The low-converter completes the down coversion of spatial electromagnetic signal, radiofrequency signal is transformed to intermediate frequency；
The analog-digital converter completes the analog-to-digital conversion of intermediate-freuqncy signal after transformation, the characteristic with multi-channel high-speed parallel,
Can adapt to have the characteristics that fast time variant, big bandwidth radio communication channel characteristic parameter high-speed, high precision acquisition.
Preferably, above-mentioned in the mancarried device of radio communication channel characteristic parameter extraction, the environmentally sensitive
Module includes environmental sensor network, signal isolation circuit and MCU（Microcontroller）.Environmental sensor network, signal isolation circuit
And MCU（Microcontroller）It is sequentially connected；Radio communication channel is connected by environmental sensor network with radio communication channel.
The environmental sensor network, the ring of area of space radio communication channel where completing the mancarried device of the present invention
The induction and conversion of border parameter；
The signal isolation circuit completes environmental sensor network and MCU（Microcontroller）Electrical isolation, for ensuring
The mancarried device being related to is safe to use in complex electromagnetic environment, isolation method generally take Phototube Coupling, transformer every
From and mutual inductor isolation etc. modes；
The MCU（Microcontroller）, the analog-to-digital conversion and caching of the environment parameter after isolation are completed, and by all kinds of environment parameters
According to USB（Universal serial bus）Or UART（Universal asynchronous receiving-transmitting transmitter）The frame format of agreement is packaged into data packet.
Preferably, above-mentioned in the mancarried device of radio communication channel characteristic parameter extraction, the primary treatment
Module is using FPGA device as core, including signal picker, code system transformation device, primary treatment kernel, dual port RAM, serial communication
Interface, MicroBlaze and DDR3-I, signal picker, code system transformation device, primary treatment kernel, dual port RAM, serial communication
Interface and MicroBlaze are with IP CORE（Intellectual Property Core）Form, be implemented in FPGA pieces.
Signal picker, code system transformation device, primary treatment kernel and serial communication interface are sequentially connected, primary treatment kernel and twoport
RAM is bi-directionally connected；
The signal picker, when completing acquisition and the caching of the parallel digital signal from analog-digital converter, and passing through
The chips behaviors such as whether sequence logic enable controlling Gaussian filter in ADC pieces, data output code system selection；
The code system transformation device completes the code system transformation of the initial data of signal picker acquisition, such as Gray code, nature
Data transformation between the code systems forms such as code；
The primary treatment kernel completes the primary treatment of digital signal after code system transformation, such as signal filtering and information
Screening etc.；It is completed at the same time the filtering, calibration and amendment of the environment parameter from serial communication interface；
The dual port RAM, as the data bridge between primary treatment module and secondary identification module.Dual port RAM is equipped with A
Data port and B data port.For in FPGA pieces, primary treatment kernel will need the data forwarded to be stored from A data port
To dual port RAM；Outside for FPGA pieces, dual port RAM can be used as storage-type equipment and be addressed and visited from B data port by extraneous processor
It asks；Accordingly, primary treatment module and secondary identification module take EMFI（External Memory Interface：It deposits outside
Memory interface）Carry out data communication；
The serial communication interface completes MCU（Microcontroller）Upload the parsing of environment parameter data packet；It can pass through simultaneously
USB or UART interface configure MCU；
The MicroBlaze is 32 soft-core processors of Xilinx companies, passes through PLB (Processor Local
Bus：Processor local bus) it completes the signal acquisition, code system transformation, primary treatment kernel, dual port RAM, serial communication and connects
The control of mouth and DDR3-I；The MicroBlaze is the host node of PLB buses；The signal picker, code system transformation device, just
Grade process kernel, the slave node that dual port RAM and serial communication interface are PLB buses；
The DDR3-I provides the memory headroom of 1GB, in the signal primary treatment for adapting to primary treatment kernel
Extensive consumption to memory；Data buffer storage space can be also provided for signal picker；Simultaneously can be used for adapt to FPGA and DSP it
Between data throughput.
Preferably, above-mentioned in the mancarried device of radio communication channel characteristic parameter extraction, the secondary identification
Module is using DSP devices as core, including FIFO, secondary identification kernel, high speed communication interface and DDR3-II.It is FIFO U21, secondary
Grade identification kernel U22, high speed communication interface U23 are bi-directionally connected successively.FIFO, secondary identification kernel and high speed communication interface seal
Loaded in DSP devices.
The FIFO, as First Input First Output（First Input First Output）, complete between dual port RAM
The bidirectional buffering of data flow；
The secondary identification kernel completes the centre frequency of spatial electromagnetic signal, signal strength, noise level, modulates lattice
The calculating and solution of the typical informations such as formula, and parameter Estimation and information identification are carried out to radio communication channel；
The high speed communication interface, it is complete as the data bridge between the secondary identification module and rear class Understanding Module
At the high speed number between the mancarried device and the rear class Understanding Module in the external world of the radio communication channel characteristic parameter extraction of the present invention
According to communication, without loss of generality, Ethernet may be selected（Ethernet）, also can be Aurora（Aurora）Optical-fibre communications mode；
The DDR3-II provides the memory headroom of 1GB, the signal secondary identification process for adapting to secondary identification kernel
In extensive consumption to memory；It can be used for adapting to the data throughput between DSP and rear class Understanding Module simultaneously.
Above-mentioned technical proposal has the advantages that：
（1）Relative to tradition using computer as the huge architectural framework of core, the invention belongs to using FPGA and DSP as core
Mancarried device, integrated level higher, using more flexible；
（2）Use signal processing（Using FPGA as carrier）, identification（Using DSP as carrier）And understanding（With traditional computer
For carrier）Three-level Digitized Structure, can adapt to big instant bandwidth, fast time variant wireless communication is plunged into the commercial sea the high-precision of measure feature parameter
Degree, the reception of full probability, extraction and assessment；
（3）Used FPGA and multi-core DSP is resourceful, data-handling capacity is remarkable, to spatial electromagnetic signal and ring
Border parameter has carried out the pretreatments such as filtering, screening in the maximum data Layer of data scale, except the electromagnetism for improving whole system is simultaneous
Hold outer so that the data processing pressure of the third level namely rear class Understanding Module significantly reduces, and the form of expression is relatively flexible（It can adopt
With embedded device, industrial personal computer or server）.
Description of the drawings
Fig. 1 is the structural schematic diagram of one embodiment of the invention mancarried device；
Fig. 2 is the detailed structure view of embodiment illustrated in fig. 1 mancarried device.
Specific implementation mode
Below in conjunction with the attached drawing of the present invention, technical solution of the present invention is clearly and completely described, it is clear that adopted
The embodiment of collection description is only a part of the embodiment of the present invention, instead of all the embodiments.Based on the implementation in the present invention
Example, every other embodiment obtained by those of ordinary skill in the art without making creative efforts belong to
The scope of protection of the invention.
Referring to Fig.1, the mancarried device for radio communication channel characteristic parameter extraction of the present invention includes primary treatment
Module U1, secondary identification module U2, wireless signal acquiring module U3 and environmentally sensitive module U4；Wireless signal acquiring module U3 with
Primary treatment module U1 is bi-directionally connected, and environmentally sensitive module U4 is bi-directionally connected with primary treatment module U1, primary treatment module U1
It is bi-directionally connected with secondary identification module U2；
Wireless signal acquiring module U3 be used to complete the reception of spatial electromagnetic signal of radio communication channel U5, down coversion and
Analog-to-digital conversion, and transmit the downconverted digitlization spatial electromagnetic signal with after analog-to-digital conversion to primary treatment module U1；
The ring of area of space where environmentally sensitive module U4 is used to complete mancarried device described in implementation process of the present invention
The transformation and perception of border parameter, typical environment parameter include air pressure, temperature, humidity, height above sea level and GPS latitude and longitude informations；
And transmit the digitized environment parameter after transformed and perception to primary treatment module U1；
Primary treatment module U1 is for completing the collected digitlizations of wireless signal acquiring module U3 and environmentally sensitive module U4
Signal（Digitlization spatial electromagnetic signal after the downconverted and analog-to-digital conversion that i.e. wireless signal acquiring module U3 is sent,
Digitized environment parameter after the transformed and perception sent by environmentally sensitive module U4）Reception and primary treatment, allusion quotation
The primary treatment of type includes signal filtering, information sifting, parameter calibration and amendment etc.；Meanwhile primary treatment module U1 is to environment
Environmental sensor in sensing module U4 carries out initial configuration；Primary treatment module U1 is to institute in wireless signal acquiring module U3
The analog-digital converter stated in analog-digital converter wireless signal acquiring module U3 carries out Action logic control；
Primary treatment module U1 receives the digitized signal of wireless signal acquiring module U3 and environmentally sensitive module U4, through first
After grade processing, transmitted in the form of data packet to secondary identification module U2；
Secondary identification module U2 receives the data packet from primary treatment module U1, carries out parameter Estimation and information identification；
The key feature information of identification is fed back into primary treatment module U1 simultaneously, so that primary treatment module U1 in time makes
The adjustment filtering actions such as window function or fine sorting information；The key feature information of identification includes：The center frequency of signal
Rate, signal strength, noise level, modulation format etc..
The mancarried device for radio communication channel characteristic parameter extraction of the present invention has following connection pass with extraneous
System：Wireless signal acquiring module U3 and environmentally sensitive module U4 are respectively connect with radio communication channel U5, secondary identification module
U2 and rear class Understanding Module U6 are bi-directionally connected.
The mancarried device for radio communication channel characteristic parameter extraction of the present invention has following signal topological relation：
The primal environment parameter S1 input environment sensing module U4 of radio communication channel U5 obtain digitlization ring after transformation and perception
Border parameter S3 is re-fed into primary treatment module U1；The luv space electromagnetic signal S2 input wireless signals of radio communication channel U5 are adopted
Collect module U3, digitlization spatial electromagnetic signal S4 is obtained after down coversion and analog-to-digital conversion and is re-fed into primary treatment module U1；
Primary treatment module U1 obtains the first processing letter after carrying out the typical primary treatment to the signal S3 and S4 after two-way digitlization
Number, the first processing signal, S3 and S4 are packaged into the first data packet S5 and are sent into secondary identification module U2 thereafter；Secondary treatment mould
Block U2 carries out the parameter Estimation to data packet S5 and information identifies to obtain second processing signal, second processing signal, S3 and
S4 is packaged into the second data packet S6 and is sent into rear class Understanding Module U6 thereafter；Oppositely, primary treatment module U1 can be to environment
Environmental sensor in sensing module U4 carries out initial configuration, also can be to the analog-digital converter in wireless signal acquiring module U3
Carry out Action logic control；In order to adjust and optimize the performance of primary treatment module U1, secondary identification module U2 can be by identification
Key feature information feeds back to primary treatment module U1；In order to adjust and optimize the performance of secondary processing module U2, rear class understands
The key feature information that module U6 can will be understood that feeds back to secondary processing module U2；To constitute the closed loop of data processing link.
With reference to Fig. 2, at primary described in the mancarried device for radio communication channel characteristic parameter extraction of the present invention
Reason module U1, secondary identification module U2, wireless signal acquiring module U3 and environmentally sensitive module U4 can further be carried out such as
Lower implementation：
（1）Wireless signal acquiring module U3 includes array antenna U31, low-converter U32 and analog-digital converter U33；Array
Antenna U31, low-converter U32 and analog-digital converter U33 are sequentially connected；Wireless signal acquiring module U3 passes through array antenna U31
It is connected with radio communication channel U5.
Array antenna U31 completes the reception of the electromagnetic signal in radio communication channel U5；
Low-converter U32 completes the down coversion of spatial electromagnetic signal, radiofrequency signal is transformed to intermediate frequency；
Analog-digital converter U33 completes the analog-to-digital conversion of intermediate-freuqncy signal after transformation, the characteristic with multi-channel high-speed parallel,
Can adapt to have the characteristics that fast time variant, big bandwidth radio communication channel characteristic parameter high-speed, high precision acquisition.
（2）Environmentally sensitive module U4 includes environmental sensor network U41, signal isolation circuit U42 and MCU（Microcontroller）
U43；Environmental sensor network U41, signal isolation circuit U42 and MCU（Microcontroller）U43 is sequentially connected；Radio communication channel U5
It is connected with radio communication channel U5 by environmental sensor network U41.
Environmental sensor network U41 completes the induction of the environment parameter of the places radio communication channel U5 area of space and turns
It changes；
Signal isolation circuit U42 completes environmental sensor network U41 and MCU（Microcontroller）The electrical isolation of U43, is used for
Ensure that involved mancarried device is safe to use in complex electromagnetic environment, isolation method is generally taken Phototube Coupling, become
Depressor is isolated and the modes such as mutual inductor isolation；
MCU（Microcontroller）U43 completes the analog-to-digital conversion and caching of the environment parameter after isolation, and by all kinds of environment parameters
According to USB（Universal serial bus）Or UART（Universal asynchronous receiving-transmitting transmitter）The frame format of agreement is packaged into data packet.
（3）Primary treatment module U1 using FPGA device as core, including signal picker U11, code system transformation device U12, just
Grade process kernel U13, dual port RAM U14, serial communication interface U15, MicroBlaze U16 and DDR3-I U17, wherein removing
Each functional unit outside DDR3-I U17（That is signal picker U11, code system transformation device U12, primary treatment kernel U13, twoport
RAM U14, serial communication interface U15 and MicroBlaze U16）With IP CORE（Intellectual Property
Core）Form, be implemented in FPGA pieces；Signal picker U11, code system transformation device U12, primary treatment kernel U13 and serial
Communication interface U15 is sequentially connected, and primary treatment kernel U13 is bi-directionally connected with dual port RAM U14；
Signal picker U11, completes acquisition and the caching of the parallel digital signal from analog-digital converter U33, and passes through
The chips behaviors such as whether stringent sequential logic enable controlling Gaussian filter in ADC pieces, data output code system selection；
Code system transformation device U12 completes the code system transformation of signal acquisition U11 driving layer original data, such as Gray code, nature
Data transformation between the code systems forms such as code；
Primary treatment kernel U13 completes the primary treatment of digital signal after code system transformation, such as signal filtering and information sieve
Choosing etc.；It is completed at the same time the filtering, calibration and amendment of the environment parameter from serial communication interface U15；
Dual port RAM U14, as the data bridge between primary treatment module U1 and secondary identification module U2.Twoport
RAM14 is equipped with A data port and B data port.For in FPGA pieces, primary treatment kernel U13 will need the data forwarded from A
Data port is stored to dual port RAM U14；Outside for FPGA pieces, dual port RAM U14 can be used as storage-type equipment and be handled by the external world
Device is addressed and is accessed from B data port；Accordingly, primary treatment module U1 and secondary identification module U2 take EMFI
（External Memory Interface：External memory interface）Carry out data communication；
Serial communication interface U15 completes MCU（Microcontroller）U43 uploads the parsing of environment parameter data packet；It can lead to simultaneously
Cross USB or UART interface configuration MCU；
MicroBlaze U16 are 32 soft-core processors of Xilinx companies, pass through PLB (Processor Local
Bus：Processor local bus) complete signal picker U11, code system transformation device U12, primary treatment kernel U13, dual port RAM
The control of U14, serial communication interface U15 and DDR3-I U17；The functional unit for marking ' ■ ' is the host node of PLB buses（Bus
Master）；The functional unit for marking ' ● ' is the slave node of PLB buses（Bus Slave）；
DDR3-I U17 provide the memory headroom of 1GB, the signal primary treatment mistake for adapting to primary treatment kernel U13
To the extensive consumption of memory in journey；Also data buffer storage space can be provided for signal picker U11；It can be used for adapting to FPGA simultaneously
Data throughput between DSP；
（4）Secondary identification module U2 is using DSP devices as core, including FIFO U21, secondary identification kernel U22, high speed are logical
Communication interface U23 and DDR3-II U24；FIFO U21, secondary identification kernel U22, high speed communication interface U23 two-way company successively
It connects.FIFO 21, secondary identification kernel U22 and high speed communication interface U23 are packaged in DSP devices.
FIFO U21, as First Input First Output（First Input First Output）, complete and dual port RAM U14
Between data flow bidirectional buffering；
Secondary identification kernel U22, the centre frequency of completion spatial electromagnetic signal, signal strength, noise level, modulation format
Etc. typical informations calculating and solution, and parameter Estimation and information are carried out to radio communication channel and identified；
High speed communication interface U23 is completed as the data bridge between secondary identification module U2 and rear class Understanding Module U6
High speed number between the mancarried device and the rear class Understanding Module U6 in the external world of the radio communication channel characteristic parameter extraction of the present invention
According to communication, Ethernet may be selected（Ethernet）, also can be Aurora（Aurora）Optical-fibre communications mode.
DDR3-II U24 provide the memory headroom of 1GB, the signal secondary identification mistake for adapting to secondary identification kernel U22
To the extensive consumption of memory in journey；It can be used for adapting to the data throughput between DSP and rear class Understanding Module U6 simultaneously.
Primary treatment kernel is with IP CORE（Intellectual Property, IP core）Form be integrated in
In FPGA pieces, mainly by being constituted with the domestic-investment source of bottom sheet：DSP48E slices (DSP48E units), LUTs (Look-up
Tables, look-up table), DB-RAM (Dual-port RAM Blocks, dual port RAM), FIFO (First Input First
Output First Input First Outputs) and SM (Share Memories, shared memory.
Secondary identification kernel is integrated in the form of function library in DSP pieces, mainly by being constituted with the domestic-investment source of bottom sheet：MDB
（Mult-Data Bus, more data/address bus）,ALU（Arithmetic Logic Unit, arithmetic logic unit）,PM
（Parallel Multiplier, parallel multiplier）And OC-RAM（On-chip RAM, on-chip memory）.
The mancarried device for radio communication channel characteristic parameter extraction of the present invention, has given full play to FPGA and DSP
Data processing advantage, use signal processing, identification and the three-level of understanding Digitized Structure, effectively reduce hardware resource
Consumption forms the mancarried device of the present invention, can be used for unknown to signal sum, bandwidth and position under complex electromagnetic environment
And the channel characteristics parameter of time-varying carries out the reception and extraction of high-precision, full probability.
A kind of preferred embodiment of the present invention is discussed in detail above.The specific implementation mode is only used
Understand core of the invention thought in help.It should be pointed out that those of ordinary skill in the art, not departing from this hair
, can be with several improvements and modifications are made to the present invention under the premise of bright principle, these improvement and modification also belong to power of the present invention
The protection domain that profit requires.
Claims (5)
1. the mancarried device for radio communication channel characteristic parameter extraction, which is characterized in that including primary treatment module, secondary
Grade identification module, wireless signal acquiring module and environmentally sensitive module；Wireless signal acquiring module and primary treatment module are two-way
Connection, environmentally sensitive module are bi-directionally connected with primary treatment module, and primary treatment module is bi-directionally connected with secondary identification module；
The wireless signal acquiring module, coupling, down coversion and the mould of the spatial electromagnetic signal for completing radio communication channel
Number conversion；And transmit the downconverted digitlization spatial electromagnetic signal with after analog-to-digital conversion to primary treatment module；
The environmentally sensitive module, the transformation and sense of the environment parameter for area of space where completing the mancarried device
Know, typical environment parameter includes air pressure, temperature, humidity, height above sea level and GPS latitude and longitude informations；And to primary treatment module
Transmit the digitized environment parameter after transformed and perception；
The primary treatment module, for completing digitized signal collected by wireless signal acquiring module and environmentally sensitive module
It receives and primary treatment, collected digitized signal is the downconverted and analog-to-digital conversion that wireless signal acquiring module is sent
Digitized environment after rear digitlization spatial electromagnetic signal, the transformed and perception sent by environmentally sensitive module is joined
Amount；Typical primary treatment includes signal filtering, information sifting, parameter calibration and amendment；Meanwhile primary treatment module is to environment
Environmental sensor in sensing module carries out initial configuration；Primary treatment module turns wireless signal acquiring mould modulus in the block
Parallel operation carries out Action logic control；
The secondary identification module, for receiving the data packet from primary treatment module, after carrying out data to the data packet
Processing is realized and is identified to the parameter Estimation and information of radio communication channel；The key feature information of identification is fed back to just simultaneously
Grade processing module, so that primary treatment module in time makes such as adjustment filtering window function or fine sorting information
Action；The representative key characteristic information of identification includes：The centre frequency of signal, signal strength, noise level, modulation format；
Wireless signal acquiring module and environmentally sensitive module are respectively connect with radio communication channel, secondary identification module and rear class
Understanding Module is bi-directionally connected；
The primal environment parameter input environment sensing module of radio communication channel, digitized environment is obtained after transformation and perception
Parameter is re-fed into primary treatment module；The luv space electromagnetic signal of radio communication channel inputs wireless signal acquiring module, warp
It crosses after down coversion and analog-to-digital conversion and obtains digitlization spatial electromagnetic signal and be re-fed into primary treatment module；Primary treatment module pair two
Signal after railway digital obtains the first processing signal, the first processing signal, digitlization after carrying out the typical primary treatment
Environment parameter and digitlization spatial electromagnetic signal are packaged into the first data packet and are sent into secondary identification module thereafter；Secondary identification
Module carries out the parameter Estimation to data packet and information identifies to obtain second processing signal, second processing signal, digitlization ring
Border parameter and digitlization spatial electromagnetic signal are packaged into the second data packet and are sent into rear class Understanding Module thereafter；Oppositely, just
Grade processing module can carry out initial configuration to environmentally sensitive mould environmental sensor in the block, and to wireless signal acquiring module
In analog-digital converter carry out Action logic control；In order to adjust and optimize the performance of primary treatment module, secondary identification module
The key feature information of identification is fed back into primary treatment module；In order to adjust and optimize the performance of secondary identification module, rear class
The key feature information that Understanding Module will be understood that feeds back to secondary identification module；To constitute the closed loop of data processing link.
2. the mancarried device according to claim 1 for radio communication channel characteristic parameter extraction, which is characterized in that
The wireless signal acquiring module includes array antenna, low-converter and analog-digital converter；Array antenna, low-converter and modulus
Converter is sequentially connected；Wireless signal acquiring module is connected by array antenna with radio communication channel；
The array antenna completes the reception of the electromagnetic signal in radio communication channel；
The low-converter completes the down coversion of spatial electromagnetic signal, radiofrequency signal is transformed to intermediate frequency；
The analog-digital converter completes the analog-to-digital conversion of intermediate-freuqncy signal after transformation.
3. the mancarried device according to claim 1 for radio communication channel characteristic parameter extraction, which is characterized in that
The environmentally sensitive module includes environmental sensor network, signal isolation circuit and MCU；Environmental sensor network, signal isolation
Circuit and MCU are sequentially connected；Radio communication channel is connected by environmental sensor network with radio communication channel；
The environmental sensor network, the induction and conversion of the environment parameter of area of space where completing radio communication channel；
The signal isolation circuit completes the electrical isolation of environmental sensor network and MCU, involved portable for ensuring
Device is safe to use in complex electromagnetic environment, and isolation method generally takes Phototube Coupling, transformer isolation or mutual inductor
The mode of isolation；
The MCU, completes the analog-to-digital conversion and caching of the environment parameter after isolation, and by all kinds of environment parameters according to USB or
The frame format of UART protocol is packaged into data packet.
4. the mancarried device according to claim 1 for radio communication channel characteristic parameter extraction, which is characterized in that
The primary treatment module is using FPGA device as core, including signal picker, code system transformation device, primary treatment kernel, twoport
RAM, serial communication interface, MicroBlaze and DDR3-I；
The signal picker completes acquisition and the caching of the parallel digital signal from analog-digital converter, and by stringent
Sequential logic controls analog-digital converter；
The code system transformation device completes the code system transformation of the initial data of signal picker acquisition；
The primary treatment kernel completes the primary treatment of digital signal after code system transformation；It is completed at the same time and is connect from serial communication
Filtering, calibration and the amendment of the environment parameter of mouth；
The dual port RAM, as the data bridge between primary treatment module and secondary identification module；Dual port RAM is equipped with A data
Port and B data port；For in FPGA pieces, primary treatment kernel will need the data forwarded to be stored from A data port to double
Mouth RAM；Outside for FPGA pieces, dual port RAM is addressed and is accessed from B data port by extraneous processor from equipment as storage-type；
Accordingly, primary treatment module and secondary identification module take external memory interface to carry out data communication；
The serial communication interface completes the parsing that MCU uploads environment parameter data packet；Matched simultaneously by USB or UART interface
Set MCU；
The MicroBlaze is 32 soft-core processors of Xilinx companies, and the signal is completed by processor local bus
The control of collector, code system transformation device, primary treatment kernel, dual port RAM, serial communication interface and DDR3-I；It is described
MicroBlaze is the host node of processor local bus；It is the signal picker, code system transformation device, primary treatment kernel, double
Mouth RAM and the slave node that serial communication interface is processor local bus；
The DDR3-I provides the memory headroom of 1GB, in the signal primary treatment for adapting to primary treatment kernel internally
The extensive consumption deposited；Data buffer storage space is provided for signal picker；The data for adapting between FPGA and DSP gulp down simultaneously
Spit rate.
5. the mancarried device according to claim 1 for radio communication channel characteristic parameter extraction, which is characterized in that
The secondary identification module is using DSP devices as core, including FIFO, secondary identification kernel, high speed communication interface and DDR3-
II；FIFO, secondary identification kernel, high speed communication interface are bi-directionally connected successively；FIFO, secondary identification kernel and high speed communication interface
It is packaged in DSP devices；
The FIFO completes the bidirectional buffering of the data flow between the dual port RAM of the sides FPGA as First Input First Output；
The secondary identification kernel completes centre frequency, signal strength, noise level and the modulation format of spatial electromagnetic signal
Typical information calculate and solve, and parameter Estimation and information are carried out to radio communication channel and identified；
The high speed communication interface completes nothing as the data bridge between the secondary identification module and rear class Understanding Module
High-speed data communications between the mancarried device and the rear class Understanding Module in the external world of line communication channel characteristics parameter extraction, selection
The optical-fibre communications mode of Ethernet or Aurora；
The DDR3-II provides the memory headroom of 1GB, right during the signal secondary identification for adapting to secondary identification kernel
The extensive consumption of memory；Simultaneously for adapting to the data throughput between DSP and rear class Understanding Module.
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| CN201610717096.2A CN106375041B (en) | 2016-08-25 | 2016-08-25 | Mancarried device for radio communication channel characteristic parameter extraction |
| PCT/CN2016/102121 WO2018035947A1 (en) | 2016-08-25 | 2016-10-14 | Portable apparatus for extracting characteristic parameter of wireless communication channel |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10190508A (en) * | 1996-12-27 | 1998-07-21 | Toyo Commun Equip Co Ltd | Receiver |
| CN101170317A (en) * | 2006-10-26 | 2008-04-30 | 中兴通讯股份有限公司 | A multi-level mixing detection method and its device |
| CN103716262A (en) * | 2012-10-09 | 2014-04-09 | 王晓安 | Channel estimation by time-domain parameter extraction |
| CN104052555A (en) * | 2014-06-19 | 2014-09-17 | 北京交通大学 | Method for estimating wireless channel multipath parameters in OFDM system |
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| JP2006238270A (en) * | 2005-02-28 | 2006-09-07 | Toshiba Corp | Information processor |
| KR101544371B1 (en) * | 2009-08-07 | 2015-08-17 | 삼성전자주식회사 | Mobile terminal reflecting user's environment and method for operating the same |
| US8606254B2 (en) * | 2009-10-30 | 2013-12-10 | Blackberry Limited | Method and system for receiver adaptation based on knowledge of wireless propagation environments |
| CN101871970A (en) * | 2010-06-02 | 2010-10-27 | 中兴通讯股份有限公司 | Wireless terminal and signal scanning method thereof |
| WO2012113132A1 (en) * | 2011-02-21 | 2012-08-30 | Empire Technology Development Llc | Using out-band information to improve wireless communications |
| CN105207726B (en) * | 2015-04-09 | 2018-11-27 | 北京交通大学 | wireless channel comprehensive test device |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10190508A (en) * | 1996-12-27 | 1998-07-21 | Toyo Commun Equip Co Ltd | Receiver |
| CN101170317A (en) * | 2006-10-26 | 2008-04-30 | 中兴通讯股份有限公司 | A multi-level mixing detection method and its device |
| CN103716262A (en) * | 2012-10-09 | 2014-04-09 | 王晓安 | Channel estimation by time-domain parameter extraction |
| CN104052555A (en) * | 2014-06-19 | 2014-09-17 | 北京交通大学 | Method for estimating wireless channel multipath parameters in OFDM system |
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