CN107104700A - A kind of information forwarding method and device based on wireless channel - Google Patents
A kind of information forwarding method and device based on wireless channel Download PDFInfo
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- CN107104700A CN107104700A CN201710204431.3A CN201710204431A CN107104700A CN 107104700 A CN107104700 A CN 107104700A CN 201710204431 A CN201710204431 A CN 201710204431A CN 107104700 A CN107104700 A CN 107104700A
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- 238000004891 communication Methods 0.000 claims abstract description 47
- 238000006243 chemical reaction Methods 0.000 claims abstract description 16
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- 238000013016 damping Methods 0.000 claims description 5
- 239000010409 thin film Substances 0.000 claims description 4
- 238000004458 analytical method Methods 0.000 claims description 3
- 230000001276 controlling effect Effects 0.000 claims description 2
- 230000001105 regulatory effect Effects 0.000 claims description 2
- 238000005457 optimization Methods 0.000 claims 1
- 238000012946 outsourcing Methods 0.000 claims 1
- 230000001360 synchronised effect Effects 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 7
- 239000000203 mixture Substances 0.000 description 4
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 3
- 230000005611 electricity Effects 0.000 description 3
- 229910052744 lithium Inorganic materials 0.000 description 3
- 238000000354 decomposition reaction Methods 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
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- 229910000838 Al alloy Inorganic materials 0.000 description 1
- 230000000703 anti-shock Effects 0.000 description 1
- 238000011217 control strategy Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000010365 information processing Effects 0.000 description 1
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- 239000000463 material Substances 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 238000001175 rotational moulding Methods 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000012549 training Methods 0.000 description 1
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Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/69—Spread spectrum techniques
- H04B1/713—Spread spectrum techniques using frequency hopping
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L1/00—Arrangements for detecting or preventing errors in the information received
- H04L1/0001—Systems modifying transmission characteristics according to link quality, e.g. power backoff
- H04L1/0009—Systems modifying transmission characteristics according to link quality, e.g. power backoff by adapting the channel coding
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/12—Messaging; Mailboxes; Announcements
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W40/00—Communication routing or communication path finding
- H04W40/02—Communication route or path selection, e.g. power-based or shortest path routing
- H04W40/22—Communication route or path selection, e.g. power-based or shortest path routing using selective relaying for reaching a BTS [Base Transceiver Station] or an access point
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
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Abstract
The invention discloses a kind of information forwarding method and device based on wireless channel, its technical scheme is：Obtain the signal of two wireless channels simultaneously by the way of parallel synchronous, be digitized into category and priority criteria after changing and parsed, re-start coding and form new queue to be sent, specific aim forwarding is carried out using preferred channel and frequency range in real time or regularly.Retransmission unit includes communication module, interconnection conversion and transmitter module, power module and casing.The retransmission method can improve speed, efficiency and the precision of information forwarding, communication relay when retransmission unit can be directly as emergency communication is forwarded automatically, can also the configuration of multiple repeating base station star networks realize the covering and extension in emergent regions, deployment is simple and quick, can be unmanned on duty, improve the wireless communication ability under severe region and all weather conditions.
Description
Technical field
Turn the invention belongs to wireless communication technology and field of information processing, more particularly to a kind of information based on wireless channel
Forwarding method and device.
Background technology
Communicated in being dashed forward at present at emergency management and rescue, earthquake relief work and stability maintenance using more for vehicle-mounted and man-pack radio station,
Need to be realized the reception and forwarding of information by artificial operation in certain communication reach distance, usual ultrashort wave channel communication away from
From within 15~20km, short wave channel communication distance is 200km or so (wherein 50~90km is blind area).By communication distance and
Artificial influence, in emergent spreading area, such as needs information transfer, it is necessary to which communication equipment and personnel are simultaneously intact and in communication model
The reception and transmission of data are just can guarantee that when enclosing interior, this is difficult to meet under severe natural environment, will especially for the time
The region of high and communication equipment and staffing difference is asked, it is difficult to ensure that the higher transmission of information is up to rate during emergency communication, greatly
Reduce and prominent efficiency is rescued and located under emergency rating, constrain the coverage of effective information in specific region, at present only
It could partly alleviate the problem by being equipped with substantial amounts of signal equipment and personnel, but the training of cost and personnel are all difficult to meet real
Border demand.
The content of the invention
In order to make up information data deficiency present in transmitting procedure in existing communication, it is an object of the invention to provide base
In the information forwarding method and device of wireless channel, the retransmission method of design can improve the reachable rate, speed, efficiency of information forwarding
And precision；The retransmission unit of design can realize rapid deployment under emergent territorial environment and open up, and pass through shortwave, ultrashort wave channel
Communication to area of coverage intra domain user carries out relay forwarding, and can multiple whole emergent areas of composition repeating base station star networks realization
The extension in domain.
The technical scheme is that：
1. a kind of information forwarding method based on wireless channel, this method includes：
The radio channel information from information sender is received, described information includes forwarding time and receiving party, sentenced
Whether the information that disconnecting is received includes receiving party's mark.
Whether if the information received is identified including receiving party, it is to forward immediately to judge the access time,
If the access time is forwards immediately, to the direct forwarding information of receiving party,
If the access time is not to forward immediately, according to information forwarding time to receiving party's forwarding information,
Receiving party sends acknowledgement information to information forwarding side.
Further, the radio channel information of described information sender is ultrashort wave or shortwave information.
Further, before judging message identification whether including receiving party's mark in methods described, in addition to：According to
Preset coding rule is parsed to information.
Further, position and length of the rule of the coding for information.
Further, methods described also includes：
Judge whether specify information is forwarded with shortwave or ultrashort wave mode in information,
If specify information is forwarded with shortwave or ultrashort wave mode, sent according to the specific mode,
It is true according to recipient and forwarding side's current location information if not specified information is forwarded with shortwave or ultrashort wave mode
Determine information pass-through mode.
Further, methods described also includes：
Judge whether include transmission frequency in information,
If including transmission frequency in information, forwarded according to the transmission frequency,
If not including transmission frequency in information, forwarded using preferred current region all purpose communication frequency.
Further, after judging the information received whether including receiving party's mark in methods described, in addition to：For
Information adds the reception time, and the transmission time delay of information is judged for recipient.
Further, if message is not to forward immediately in methods described, in addition to：According to preset information coding standard
The message received is encoded, the preset information coding standard is universal coding standard.
Further, when described information receives the acknowledgement information of directional information forwarding side transmission including message header, reception
Between and recipient.
2. a kind of message retransmission unit based on wireless channel, including communication module, interconnection conversion and sending module and electricity
Source module；Communication module, information is sent for the information of receive information sender and to receiving party；Interconnection conversion is with sending
Module, forwarding time and receiving party for parsing received information；Power module, is supplied for providing power supply to device
Give.
Further, the communication module includes：Anneta module, shortwave module and ultrashort wave module, for receiving and sending out
Penetrate the shortwave and ultrashort wave signals of preset frequency range in covering region.
Further, the Anneta module includes being used for the portable dipole antenna of short-wave reception and transmitting, for ultrashort
The middle feedback ultrashort wave whip antenna that ripple is received and launched.
Further, the shortwave module uses frequency hopping, Automatic Optimal frequency-selecting and the anti-interference transmission mode of low speed.
Further, the ultrashort wave module uses frequency hopping, Automatic Optimal frequency-selecting and the anti-interference transmission mode of high speed.
Further, the communication module also includes communication control module, for controlling shortwave module and ultrashort wave module
Keep simultaneously and listen and time division emission.
Further, the interconnection conversion includes modular converter, storage and parsing module and main control module with sending module.
The information that modular converter is used to receive communication module is converted to data signal.Storage is used for data signal with parsing module
Stored, and recipient's mark, the message in analytic method according to claim 3 parsing information send time and hair
Send frequency.It is not that the information that forwards immediately is right in accordance with the method for claim 8 that main control module, which is used to sending message the time,
Information is encoded, and forwards information to communication module according to information forwarding time.
Further, power module has thin film solar auxiliary power supply function.
Further, the power module also includes management module, is configured for filling power supply to power supply.
Further, in addition to casing, it is used as the outer packing of device.
Further, the casing includes shock-proof machine frame.Shock-proof machine frame is installed on the wall of box house four, in top and bottom
It is connected by rubber damping block with casing, device is arranged in frame, is bolted.
Further, the casing also includes temperature control module.Temperature and humidity that temperature control module is used in regulating box body.
Brief description of the drawings
Accompanying drawing 1 is retransmission method flow chart of the invention
Accompanying drawing 2 is that retransmission unit surface structure is schemed with composition
Accompanying drawing 3 is apparatus of the present invention deployment diagram
Accompanying drawing 4 is the comprehensive interconnection conversion of the present invention and sending assembly schematic diagram of the function
Accompanying drawing 5 is that main control software of the present invention constitutes figure
Accompanying drawing 6 is small comprehensive power supply theory of constitution figure of the present invention
Accompanying drawing 7 is self-destruction module theory of constitution figure of the present invention
Accompanying drawing 8 is present invention carrying casing composition figure
Accompanying drawing 9 is temperature control algorithm flow chart of the present invention
Embodiment
The invention will be further described with reference to the accompanying drawings and detailed description.
1st, a kind of information forwarding method based on wireless channel, shortwave and ultrashort wave two are obtained using parallel form simultaneously
The signal of individual wireless channel, carries out classification storage after being parsed according to coding rule to information, and by forwarding requirement to storage
Data identified again, verification level of confidentiality byte information decide whether to be compressed and encrypt that the data after processing are by adding
Carry device label and be converted into new information to be forwarded, send to sending module, it is immediately or fixed by the time encoding requirement in information
When send, retransmission method flow is shown in accompanying drawing 1.Comprise the following steps that：
1) shortwave or ultrashort wave channel signal that communication module 1 is detected carry out signal identification, confirmed as after collection
We is converted to data frame and interim storage after discernible signal；
2) interconnection conversion obtains the data frame pair according to information coding rule with sending module 2 by decomposition data frame
The Data Matching type answered；
3) main control module 23 is long to the information content of data frame according to the type rule by the lookup of Data Matching type
The features such as degree, sender, recipient, level of confidentiality, pass-through mode and forwarding time are decomposed；
4) information to be forwarded after decomposition is stored in the storage region of storage and read module 22；
5) using pass-through mode as key forwarding rule, then message original text to be forwarded is turned immediately if pass-through mode immediately
Hair；Forwarded if timing, then treat forwarding information according to preset according to shortwave, ultrashort wave and shortwave+ultrashort wave type respectively
Information coding standard encoded, wherein preset information coding standard be universal coding standard or wartime specific coding standard.
Different radiation patterns are adapted to by the message structure recompiled；
6) tranmitting frequency, emitting times and the fixed/frequency hopping coding in pass-through mode are decomposed, connecing to modular converter 21 is stored
Mouth unit；
If 7) there is level of confidentiality attribute byte in message, temporary storage is needed by 23 pairs of main control module on request and has encryption to need
The information to be forwarded asked carries out primary encryption, and loads the retransmission unit identification code；
8) main control module 23 reintegrates storage and the message data frame in read module 22, according to coding rule requirement pair
Content to be forwarded, sender, recipient, level of confidentiality and pass-through mode are reintegrated, and require to send on time according to forwarding time
Queue to be sent is formed to modular converter 21.
2nd, a kind of message retransmission unit based on wireless channel as claimed in claim 1, including：Communication module 1, interconnection
Conversion and sending module 2, power module 3 and casing 4, surface structure are shown in accompanying drawing 2 with composition, and theory diagram is shown in accompanying drawing 3.
The retransmission unit independently disposes environment in the wild, can be forwarded directly as communication relay, can also constitute multiple turns
Send out the extension that emergent region is realized in star network configuration in base station, install simple and quick, it is unmanned on duty, can improve severe region and
Radio communication interoperability under all weather conditions.Retransmission unit is installed on case using casing 4 as carrying using shock-proof machine frame 41
Internal portion four wall, is connected in top and bottom by rubber damping block with casing, communication module 1, interconnection conversion and sending module 2
It is bolted to connection with power module 3 on shock-proof machine frame 41, casing 4 is also equipped with temperature control module 42, for adjusting
Temperature and humidity in casing, it is ensured that the normal work of module.Accompanying drawing 4 is shown in device deployment.
The communication module 1, information, including shortwave are sent for the information of receive information sender and to receiving party
Module 11, ultrashort wave module 12, Anneta module 13 and communication control module 14；Anneta module 13, shortwave module 11 and ultrashort wave
Module 12, shortwave and ultrashort wave signals for receiving and launching preset frequency range in covering region, wherein Anneta module 13 includes
For short-wave reception and the portable dipole antenna of transmitting, the middle feedback ultrashort wave whip antenna for receiving and launching for ultrashort wave；It is short
Ripple module 11 using frequency hopping, Automatic Optimal frequency-selecting and the anti-interference transmission mode of low speed, can low speed, stably, transmit number at a distance
According to the less information of amount；Ultrashort wave module 12 uses frequency hopping, Automatic Optimal frequency-selecting and the anti-interference transmission mode of high speed, can tell,
The larger information of stable, transmitted data amount closely；Communication control module 14 is used to control shortwave module and ultrashort wave module
Keep simultaneously and listen and time division emission, coordinate the receiver and transmitter control strategy of retransmission unit, improve signal receiving efficiency and hair
Penetrate success rate.Theory diagram is shown in accompanying drawing 5.
Forwarding time and receiving party of the interconnection conversion with sending module 2 for parsing received information, including
Modular converter 21, storage and parsing module 22 and main control module 23.Modular converter 21 is used for the information for receiving communication module
Data signal is converted to, the dynamic routing between communication module 1 can be achieved, supports that the route of the links such as shortwave ultrashort wave is excellent
Choosing, and multiple comprehensive routes can be realized by other retransmission units of wired connection；Storage is used for numeral letter with parsing module 22
Number stored, including read/write circuit and storage chip, recipient's mark, the information in information can be parsed according to analytic method
Transmission time and transmission frequency；Main control module 23 is used to not be the information forwarded immediately to the access time according to coding method
Information is encoded, and communication module 1 is forwarded information to according to information forwarding time.Theory diagram is shown in accompanying drawing 6.
The power module 3 is that modules and casing provide power supply supply, including lithium battery group able to quickly change 31, management mould
Block 32 and thin-film solar cells 33, wherein lithium battery group able to quickly change 31 uses quick-replaceable lock solid structure, using 24V/
25Ah lithium battery group, when communications transmitting-receiving can be achieved than being 6: 4, is not less than 48h between repeater station successive value is punctual；Manage mould
Block 32 be used for power supply fill power supply configure, realize DC intelligent management voltage sample, current sample and monitoring, safeguard and
Maintenance function, can balance the need for electricity of each module, and the optimum management of power supplying efficiency power supply is improved to greatest extent, and protect electricity
Pond causes to damage because of over-discharge；Thin-film solar cells 33 can provide the power supply of filling under field condition, improve sustainable on duty
Time.Theory diagram is shown in accompanying drawing 7.
The casing 4 uses high intensity rotational moulding material, and one-shot forming technique is made, and apparent size is compact, and (length, width and height are little
In 600 × 500 × 500mm), casing can rainproof, anti-sand dust and anti-biological invasion and attack, and adapt to operational environment requirement, in addition to
Shock-proof machine frame 41 and temperature control module 42, theory diagram are shown in accompanying drawing 8.Wherein shock-proof machine frame 41 uses aluminium alloy standard rack, installs
In the wall of box house four, it is connected in top and bottom by rubber damping block with casing, modules are arranged in frame, are passed through
Bolt connection, meets the anti shock and vibration requirement of retransmission unit；Temperature control module 42 is using temperature control circuit and suitable for round-the-clock ring
The temperature control algorithm in border, according to the temperature inside the box of collection, humidity environment parameter, the temperature and humidity in casing is adjusted, temperature
Control algorithm flow chart is shown in accompanying drawing 9.
Annexation：Anneta module 13 is connected by feeder line with the antennal interface on the surface of casing 4, is connected to by switching logical
Believe module 1, communication module 1 is by data-interface using 6 core shielded cables with interconnection conversion and the data-interface phase of sending module 2
Even, interconnection conversion is connected with the control interface of sending module 2 using 4 core cables with the temperature control module 42 of casing；Communication module 1,
Interconnection conversion and the power interface of sending module 2 and casing temperature control module 42 are connected to power module 3 by 3 core cables.
Using when this method transfer process it is as follows：
Communication module 1 carries out signal acquisition first after shortwave or ultrashort wave channel signal has been detected, and completes numeral
The identification of signal is carried out after conversion, the multiple bytes of signal heads collected are carried out using our signal identification stored in device
Matching, confirms as our discernible signal, and then be converted into data frame and store into caching if coincideing；Interconnection conversion and hair
Send module 2 to decompose data frame, search the mark of 3 data match-types after our information distinguishing mark, confirm the letter
Classification is ceased, is such as classification 1；Main control module 23 according to storage the rule of classification 1 to the information content length of data frame, sender,
The features such as recipient, level of confidentiality, pass-through mode and forwarding time are decomposed, and above field contents carry corresponding flag,
Take out corresponding content after flag be stored in storage with the corresponding storage region of read module 22；First using pass-through mode as
Key forwarding rule, such as pass-through mode content is 0, then represents pass-through mode immediately, message original text to be forwarded is forwarded immediately, excellent
First level highest；Timing pass-through mode is represented as if pass-through mode content is 1, and next step is respectively according to shortwave, ultrashort wave and short
Ripple+ultrashort wave type is treated forwarding information and encoded according to preset information coding standard, wherein preset information coding standard
For universal coding standard or emergent specific coding standard；By the content of the fields such as tranmitting frequency, emitting times and fixed/frequency hopping coding
Store the interface unit of modular converter 21；Such as level of confidentiality field contents are 0, then to need security requirements, next step passes through master control mould
Block 23 treats forwarding information and carries out primary encryption (preset emergent AES), and loads the retransmission unit identification code, such as close
Level field contents are 1, then without carrying out primary encryption；After content field after treatment is reintegrated through main control module 23,
Reconfigured with information sender, recipient, level of confidentiality and pass-through mode, send to modular converter 21 and formed by forwarding time
Queue to be sent, is launched through communication module 1, and the reception of waiting receipt information.
Claims (21)
1. a kind of information forwarding method based on wireless channel, it is characterised in that this method includes：
The radio channel information from information sender is received, described information includes forwarding time and receiving party, judges to connect
Whether the information of receipts includes receiving party's mark,
If the information received is identified including receiving party, judge that message sends whether the time is to forward immediately,
If the access time is forwards immediately, to the direct forwarding information of message receiver,
If the access time is not to forward immediately, according to information forwarding time to receiving party's forwarding information,
Receiving party sends acknowledgement information to information forwarding side.
2. information forwarding method according to claim 1, it is characterised in that the radio channel information of described information sender
For ultrashort wave or shortwave information.
3. information forwarding method according to claim 1 or 2, it is characterised in that judge that message identification is in methods described
Before the no mark including receiving party, in addition to：Information is parsed according to preset coding rule.
4. information forwarding method according to claim 3, it is characterised in that the rule of the coding for information position and
Length.
5. information forwarding method according to claim 2, it is characterised in that methods described also includes：
Judge whether specify information is forwarded with shortwave or ultrashort wave mode in information,
If specify information is forwarded with shortwave or ultrashort wave mode, sent according to the specific mode,
If not specified information is forwarded with shortwave or ultrashort wave mode, determine to believe according to recipient and forwarding side's current location information
Cease pass-through mode.
6. information forwarding method according to claim 1, it is characterised in that methods described also includes：
Judge whether include transmission frequency in information,
If including transmission frequency in information, forwarded according to the transmission frequency,
If not including transmission frequency in information, forwarded using preferred current region all purpose communication frequency.
7. the information forwarding method according to claim 1,2 or 5, it is characterised in that the letter received is judged in methods described
Whether breath is included after receiving party's mark, in addition to：
The reception time is added for information, the transmission time delay of information is judged for recipient.
8. the information forwarding method according to claim 1,2 or 5, it is characterised in that if message is not vertical in methods described
Forward, then also include：The message received is encoded according to preset information coding standard, the preset information coding
Standard is universal coding standard.
9. information forwarding method according to claim 1, it is characterised in that：Described information receives directional information forwarding side hair
The acknowledgement information sent includes message header, reception time and recipient.
10. a kind of message retransmission unit based on wireless channel, it is characterised in that including communication module, interconnection conversion with sending
Module and power module；Communication module, information is sent for the information of receive information sender and to receiving party；Interconnection turns
Change and sending module, forwarding time and receiving party for parsing received information；Power module, for providing device
Power supply is supplied.
11. message retransmission unit according to claim 10, it is characterised in that the communication module includes：
Anneta module, shortwave module and ultrashort wave module, for receiving and launching in covering region the shortwave of preset frequency range and super
Short-wave signal.
12. message retransmission unit according to claim 11, it is characterised in that the Anneta module includes connecing for shortwave
The portable dipole antenna received and launched, the middle feedback ultrashort wave whip antenna for receiving and launching for ultrashort wave.
13. message retransmission unit according to claim 11, it is characterised in that the shortwave module is using frequency hopping, automatic
Optimize frequency-selecting and the anti-interference transmission mode of low speed.
14. message retransmission unit according to claim 11, it is characterised in that the ultrashort wave module using frequency hopping, from
Dynamic optimization frequency-selecting and the anti-interference transmission mode of high speed.
15. message retransmission unit according to claim 11, it is characterised in that the communication module also includes Control on Communication
Module, for controlling shortwave module and ultrashort wave module listened and time division emission while keeping.
16. message retransmission unit according to claim 10, it is characterised in that the interconnection conversion includes with sending module
Modular converter, storage and parsing module and main control module.The information that modular converter is used to receive communication module is converted to number
Word signal.Storage is used to be stored data signal with parsing module, and analytic method according to claim 3 is parsed
Recipient's mark, access time and transmission frequency in information.It is not immediately to the access time that main control module, which is used for,
The information of forwarding is encoded to information in accordance with the method for claim 8, and forwards information according to information forwarding time
To communication module.
17. message retransmission unit according to claim 10, it is characterised in that power module has thin film solar auxiliary
Function of supplying power.
18. message retransmission unit according to claim 10, it is characterised in that the power module also includes management mould
Block, is configured for filling power supply to power supply.
19. message retransmission unit according to claim 10, it is characterised in that also including casing, is used as the outsourcing of device
Dress.
20. message retransmission unit according to claim 19, it is characterised in that the casing includes shock-proof machine frame.Damping
Frame is installed on the wall of box house four, is connected in top and bottom by rubber damping block with casing, and device is arranged in frame,
It is bolted.
21. message retransmission unit according to claim 19, it is characterised in that the casing also includes temperature control module.Temperature
Control temperature and humidity that module is used in regulating box body.
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| CN101321312A (en) * | 2007-06-08 | 2008-12-10 | 中国移动通信集团公司 | Message forwarding method and forwarding apparatus |
| CN102640559A (en) * | 2010-02-10 | 2012-08-15 | 上海贝尔股份有限公司 | Soft frequency reuse method and base station using this method |
| CN102916798A (en) * | 2012-10-24 | 2013-02-06 | 陕西烽火通信技术有限公司 | Short wave duplex communication system and short wave duplex communication method |
| CN105531955A (en) * | 2013-08-28 | 2016-04-27 | 谷歌公司 | Wireless networking with flexibly-ordered relayers |
| CN204272108U (en) * | 2014-12-18 | 2015-04-15 | 陕西烽火实业有限公司 | A kind ofly can support the communicator of ultrashort wave relaying with short-wave radio set intercommunication |
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