CN104468435B - A kind of microwave telecommunication devices of marine marker - Google Patents
A kind of microwave telecommunication devices of marine marker Download PDFInfo
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- CN104468435B CN104468435B CN201410787736.8A CN201410787736A CN104468435B CN 104468435 B CN104468435 B CN 104468435B CN 201410787736 A CN201410787736 A CN 201410787736A CN 104468435 B CN104468435 B CN 104468435B
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Abstract
The invention discloses a kind of microwave telecommunication devices of marine marker, and it is made up of parts such as multi-sector antenna, radio frequency unit, digital processing element, protocol control units and service access units.Protocol control units are responsible for the protocol processes of whole marine marker microwave equipment in the present invention.Protocol control units are polled to the speed of whole one by one according to the synchronous situation of present rate；Once after synchronism stability, present rate is just locked, so as to complete whole connection setup process.The present invention solves the problems, such as that the buoyage at sea communicates with microwave equipment on the bank and carries out communication free of discontinuities.This equipment has the advantages that small volume, configuration simple, rate adaptation and environmental suitability are strong, at sea has to compare in the system of unattended duty and is widely applied future.
Description
Technical field
The invention discloses a kind of microwave telecommunication devices of marine marker, especially suitable for unattended marine buoy
The microwave machine of equipment and fixed station on the bank carries out the application of communication aspects.
Background technology
In the buoy of afloat unattended duty, conventional microwave telecommunication devices are big due to equipment, it is impossible to rate adaptation,
The features such as equipment power dissipation is big, it is impossible to adapt to marine complex environment.
The content of the invention
The technical problems to be solved by the invention there is provided on a kind of float device of unattended duty at sea, realize floating
Marking device and the microwave telecommunication devices for carrying out effective data transfer on the bank.
In order to solve the above technical problems, the present invention is achieved through the following technical solutions：A kind of microwave of marine marker leads to
Believe equipment, including multi-sector antenna 1, radio frequency unit 2, digital processing element 3, service access unit 5 and power module 13, it is special
Sign is：Also include protocol control units 4；
Service access unit 5 receives the network signal that the network equipment is sent, and carries out HDLC coded treatments and forms HDLC codings
Signal is simultaneously exported to protocol control units 4；The HDLC encoded signals received are carried out multiple connection and exported to number by protocol control units 4
Word processing unit 3, protocol control units 4 export RF control signal to radio frequency unit 2；Digital processing element 3 will receive
Signal after multiple connection carries out coded modulation and forms baseband signal and export baseband signal and the steady reference clock of local height to penetrating
Frequency unit 2；Baseband signal is carried out frequency conversion, filtering and power amplification under the control of RF control signal and handled by radio frequency unit 2
Radiofrequency signal is formed to export to multi-sector antenna 1 and sent to free space by multi-sector antenna 1；
The radiofrequency signal received from free space is sent to radio frequency unit 2 by multi-sector antenna 1；Radio frequency unit 2 will receive
Radiofrequency signal carry out low noise amplification, filtering and frequency conversion enhanced processing form intermediate-freuqncy signal and export to digital processing element 3；
The intermediate-freuqncy signal received is carried out decoding and demodulation process formation baseband signal and exported to protocol integrated test system list by digital processing element 3
Member 4；Protocol control units 4 by the baseband signal received synchronize detection, speed switching and speed locking determine it is current
Traffic rate, the baseband signal received is tapped and is sent to service access unit 5；Service access unit 5 will receive
Signal after tap carries out being sent to the network equipment after HDLC decodings.
Wherein, described protocol control units 4 include radio frequency control unit 6, coupler 7, multiplexer 8 and speed switch
9, the HDLC encoded signals received at business access unit 5 are carried out multiple connection processing and exported to digital processing list by multiplexer 8
Member 3；The baseband signal received at digital processing element 3 is carried out tapping processing and exported to service access unit by coupler 7
5, meanwhile, coupler 7 exports synchronizing signal to speed switch 9；Speed switch 9 enters scanning frequency according to the synchronizing signal received
Rate switches synthesis speed switching signal and exported to radio frequency control unit 6；Radio frequency control unit 6 produces according to current rate value
Corresponding RF control signal simultaneously exports RF control signal to radio frequency unit 2.
Wherein, described speed switch 9 includes speed poll units 10, radio frequency switch unit 11 and synchronizing indicator
12, the synchronizing signal received at coupler 7 is carried out detection process by synchronizing indicator 12, and the synchronization of current state is detected
Signal exports to speed poll units 10 and radio frequency switch unit 11 respectively；Speed poll units 10 detect according to current synchronization
The stable case of signal carries out the poll of each traffic rate, and current traffic rate is sent into radio frequency switch unit 11；
The synchronous detection signal received and current speed are compared by radio frequency switch unit 11, and speed is carried out according to result of the comparison
Switch synthesis speed switching signal and send to radio frequency control unit 6.
The present invention has the following advantages that compared to background technology：
1. the use of the present invention is without any setting, without setting central station and antenna alignment, device configuration is simple.
2. the present invention's uses single carrier frequency domain equalization (SC-FDE) to be used as modulation demodulation system, this mode can have
Very strong anti-multipath and antijamming capability, greatly improve the reliability of equipment.
3. integration degree of the present invention is high, therefore small volume, in light weight, stable and reliable for performance.
4. full IP transmission.Equipment can be directly connected in current various IP networks.
5. an equipment carries out low power dissipation design, equipment task time length.
Brief description of the drawings
Fig. 1 is the electric functional-block diagram of the present invention；
Fig. 2 is the electric functional-block diagram of protocol control units；
Fig. 3 is the electric functional-block diagram of speed switch.
Embodiment
The concrete mode of the present invention is described in further details with reference to the accompanying drawings and examples.
Reference picture 1, the present invention are a kind of microwave telecommunication devices of marine marker, including multi-sector antenna 1, radio frequency unit 2,
Digital processing element 3, protocol control units 4, service access unit 5 and power module 13, Fig. 1 are the electric principle square frames of the present invention
Figure, embodiment press Fig. 1 connection lines.The effect of Service Processing Unit 5 is to carry out the network signal received from the network equipment
HDLC (High-Level Data Link Control) is encoded, and is sent after the tapped off signal received from protocol control units 4 is carried out into HDLC decodings
To the network equipment；The effect of protocol control units 4 is that the HDLC encoded signals that will be received at business access unit 5 are answered
Connect, and RF control signal is sent to radio frequency unit 2, the baseband signal received at digital processing element 3 is divided
Practice midwifery raw network signal；The effect of digital processing element 3 is that the multiplexed signal that will be received from protocol control units 4 carries out coding tune
System produces baseband signal, and generation baseband signal is decoded and demodulated by the intermediate-freuqncy signal received from radio frequency unit 2；Radio frequency unit
2 effect is that the baseband signal received from digital processing element 3 is carried out into frequency conversion, filtering and power amplification to form radiofrequency signal,
The radiofrequency signal received from multi-sector antenna 1 is carried out into low noise amplification, filtering and frequency conversion to amplify to form intermediate-freuqncy signal；More sectors
The effect of antenna 1 is that the radiofrequency signal received at radio frequency unit 2 is sent to free space and will received from free space
Radiofrequency signal be sent to radio frequency unit 2.
Reference picture 2, protocol control units 4 are by radio frequency control unit 6, coupler 7, multiplexer 8 and the structure of frequency converter 9
Into Fig. 2 is the electric functional-block diagram of protocol control units, and embodiment presses Fig. 2 connection lines.The effect of multiplexer 8 is to obtain employment
The network signal by HDLC codings received at business access unit 5 carries out multiple connection；The effect of coupler 7 is by from digital processing
The baseband signal received at unit 3 is tapped, while synchronizing signal is sent to speed switch 9；The basis of speed switch 9
The synchronizing signal received carries out speed switching, and the result that speed switches is sent to radio frequency control unit 6；Radio frequency control unit 6
Corresponding RF control signal is produced according to current rate value, and RF control signal is sent to radio frequency unit 2.
Reference picture 3, speed switch 9 are by speed poll units 10, radio frequency switch unit 11 and the structure of synchronizing indicator 12
Into Fig. 3 is the electric functional-block diagram of speed switch, and embodiment is according to Fig. 3 connection circuits.Synchronizing indicator 12 is by current state
Synchronous detection signal send to speed poll units 10 and radio frequency switch unit 11；Speed poll units 10 are according to current same
The stable case for walking detection signal carries out the poll of each traffic rate, and current traffic rate is sent into radio frequency switching list
Member 11；The synchronous detection signal received and current speed are compared by radio frequency switch unit 11, are entered according to result of the comparison
Scanning frequency rate switches, and the situation of switching is sent into radio frequency control unit 6.
The antenna of the present invention is multi-sector antenna.
Digital processing element 3 of the present invention is responsible for the modulation and demodulation of data, and the core devices employed in the design have AD
The AD9744 chips of company, the AD9254 chips of AD companies, write the ALTERA companies that the FPGA used in program selects low-power consumption
CYCLONE III series EP3C80F780C4 chips.
Protocol control units 4 of the present invention are responsible for data and answer/tap, protocol processes and rate adaptation, numerical portion circuit
Completed using ARM+FPGA framework, the amount of calculation needed according to the design, FPGA selects the CYCLONE II of ALTERA companies
The EP2C35F484C6 chips of series.
Service access unit 5 of the present invention is responsible for the analytical capabilities and HDLC encoding functions of network data, and the design uses
The LXT971 chips of Intel Company.
Power supply 13 of the present invention provides the direct-current working volts of whole circuit, and embodiment uses commercially available general integrated constant voltage DC
Power module makes, and its output+V voltages are+5V, supply current 5A.
Briefly operation principle of the invention is as follows：
Protocol control units 4 are the cores of the present invention, are responsible for the protocol processes of whole marine marker microwave equipment.According to work as
The synchronous situation of preceding speed, the speed of whole is polled one by one.Once after synchronism stability, present rate is just locked, from
And complete whole connection setup process.
Mounting structure of the present invention is as follows：
All circuit devcies in Fig. 1 are arranged in a block length, a width of 110 × 80mm printed board, then printed board
In the box that a length is 130 × 130 × 30mm, assembly cost invention.
Claims (2)
1. a kind of microwave telecommunication devices of marine marker, including multi-sector antenna (1), radio frequency unit (2), digital processing element
(3), service access unit (5) and power module (13), it is characterised in that：Also include protocol control units (4)；
Service access unit (5) receives the network signal that the network equipment is sent, and carries out HDLC coded treatments and forms HDLC coding letters
Number and export to protocol control units (4)；The HDLC encoded signals received are carried out multiple connection and exported extremely by protocol control units (4)
Digital processing element (3), protocol control units (4) export RF control signal to radio frequency unit (2)；Digital processing element
(3) when the signal progress coded modulation after the multiple connection received being formed into baseband signal and the high surely reference by baseband signal and local
Clock is exported to radio frequency unit (2)；Baseband signal is carried out frequency conversion, filtering by radio frequency unit (2) under the control of RF control signal
Radiofrequency signal is formed with power amplification processing to export to multi-sector antenna (1) and by multi-sector antenna (1) transmission to free space；
The radiofrequency signal received from free space is sent to radio frequency unit (2) by multi-sector antenna (1)；Radio frequency unit (2) will be received
The radiofrequency signal arrived carries out low noise amplification, filtering and frequency conversion enhanced processing and forms intermediate-freuqncy signal and export to digital processing element
(3)；The intermediate-freuqncy signal received is carried out decoding and demodulation process formation baseband signal and exported to agreement by digital processing element (3)
Control unit (4)；The baseband signal received is synchronized detection, speed switching and speed and locked really by protocol control units (4)
Current traffic rate is made, the baseband signal received is tapped and is sent to service access unit (5)；Service access list
First (5) carry out the signal after the tap received to be sent to the network equipment after HDLC decodings；
Described protocol control units (4) include radio frequency control unit (6), coupler (7), multiplexer (8) and speed switch
(9) the HDLC encoded signals that, multiplexer (8) will receive from business access unit (5) carry out multiple connection processing and exported to numeral
Processing unit (3)；The baseband signal received from digital processing element (3) is carried out tapping processing and exported extremely by coupler (7)
Service access unit (5), meanwhile, coupler (7) exports synchronizing signal to speed switch (9)；Speed switch (9) basis
The synchronizing signal received carries out speed switching synthesis speed switching signal and exported to radio frequency control unit (6)；Radio frequency control is single
First (6) produce corresponding RF control signal according to current rate value and export RF control signal to radio frequency unit (2).
A kind of 2. microwave telecommunication devices of marine marker according to claim 1, it is characterised in that：Described speed switching
Device (9) includes speed poll units (10), radio frequency switch unit (11) and synchronizing indicator (12), and synchronizing indicator (12) will be from
The synchronizing signal that coupler (7) place receives carries out detection process, and the synchronous detection signal of current state is exported to speed respectively
Rate poll units (10) and radio frequency switch unit (11)；Speed poll units (10) are according to the stabilization of current synchronous detection signal
Situation carries out the poll of each traffic rate, and current traffic rate is sent into radio frequency switch unit (11)；Radio frequency switches
The synchronous detection signal received and current speed are compared by unit (11), and speed switching shape is carried out according to result of the comparison
Into speed switching signal and send to radio frequency control unit (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410787736.8A CN104468435B (en) | 2014-12-18 | 2014-12-18 | A kind of microwave telecommunication devices of marine marker |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410787736.8A CN104468435B (en) | 2014-12-18 | 2014-12-18 | A kind of microwave telecommunication devices of marine marker |
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| Publication Number | Publication Date |
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| CN104468435A CN104468435A (en) | 2015-03-25 |
| CN104468435B true CN104468435B (en) | 2017-11-24 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410787736.8A Active CN104468435B (en) | 2014-12-18 | 2014-12-18 | A kind of microwave telecommunication devices of marine marker |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106603115A (en) * | 2016-12-29 | 2017-04-26 | 中国电子科技集团公司第五十四研究所 | Microwave communication equipment |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201252555Y (en) * | 2008-08-27 | 2009-06-03 | 中国电子科技集团公司第五十四研究所 | Speed self-adaptive scatter communication modem |
| CN201467131U (en) * | 2009-08-12 | 2010-05-12 | 中国电子科技集团公司第五十四研究所 | Two-dimensional self-adaptive communication device suitable for fading channel |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2011150789A1 (en) * | 2010-05-31 | 2011-12-08 | 华为技术有限公司 | Base station and method for synchronizing clock thereof |
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- 2014-12-18 CN CN201410787736.8A patent/CN104468435B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201252555Y (en) * | 2008-08-27 | 2009-06-03 | 中国电子科技集团公司第五十四研究所 | Speed self-adaptive scatter communication modem |
| CN201467131U (en) * | 2009-08-12 | 2010-05-12 | 中国电子科技集团公司第五十四研究所 | Two-dimensional self-adaptive communication device suitable for fading channel |
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