CN107104700B - A kind of information forwarding method based on wireless channel - Google Patents

A kind of information forwarding method based on wireless channel Download PDF

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Publication number
CN107104700B
CN107104700B CN201710204431.3A CN201710204431A CN107104700B CN 107104700 B CN107104700 B CN 107104700B CN 201710204431 A CN201710204431 A CN 201710204431A CN 107104700 B CN107104700 B CN 107104700B
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China
Prior art keywords
information
forwarding
module
time
message
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CN201710204431.3A
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Chinese (zh)
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CN107104700A (en
Inventor
刘磊
欧阳明高
来欣
唐小凤
汪春辉
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Logistics Research Institute Of Logistics Support Department Of Central Military Commission
Tsinghua University
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Logistics Research Institute Of Logistics Support Department Of Central Military Commission
Tsinghua University
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Priority to CN201710204431.3A priority Critical patent/CN107104700B/en
Publication of CN107104700A publication Critical patent/CN107104700A/en
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Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B1/00Details 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
    • H04B1/69Spread spectrum techniques
    • H04B1/713Spread spectrum techniques using frequency hopping
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00Arrangements for detecting or preventing errors in the information received
    • H04L1/0001Systems modifying transmission characteristics according to link quality, e.g. power backoff
    • H04L1/0009Systems modifying transmission characteristics according to link quality, e.g. power backoff by adapting the channel coding
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W4/00Services specially adapted for wireless communication networks; Facilities therefor
    • H04W4/12Messaging; Mailboxes; Announcements
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W40/00Communication routing or communication path finding
    • H04W40/02Communication route or path selection, e.g. power-based or shortest path routing
    • H04W40/22Communication 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
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02DCLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
    • Y02D30/00Reducing energy consumption in communication networks
    • Y02D30/70Reducing energy consumption in communication networks in wireless communication networks

Abstract

The invention discloses a kind of information forwarding method and device based on wireless channel, its technical solution is: by the way of parallel synchronous and meanwhile obtain two wireless channels signal, category and priority criteria after converting is digitized to be parsed, it re-starts coding and forms new queue to be sent, specific aim forwarding is carried out using preferred channel and frequency range in real time or periodically.Retransmission unit includes communication module, interconnection conversion and transmitting module, power module and cabinet.Speed, efficiency and the precision of information forwarding can be improved in the retransmission method, communication relay when retransmission unit can be directly as emergency communication is forwarded automatically, the covering and extension for realizing emergency region can also be configured with multiple repeating base station star networks, it disposes simple and quick, can be unmanned on duty, improve the wireless communication ability under severe region and all weather conditions.

Description

A kind of information forwarding method based on wireless channel
Technical field
The invention belongs to wireless communication technique and field of information processing more particularly to a kind of information based on wireless channel to turn Forwarding method.
Background technique
It is communicated in dashing forward at emergency management and rescue, earthquake relief work and stability maintenance at present using more for vehicle-mounted and man-pack radio station, Need to be realized the reception and forwarding of information by manual 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 is transmitted in emergency spreading area if you need to information, needs communication equipment and personnel intact simultaneously and in communication model It just can guarantee sending and receiving for data when enclosing interior, this is difficult to meet under severe natural environment, wants especially for the time High and communication equipment and staffing difference region is asked, is transmitted up to rate, greatly it is difficult to ensure that information is higher when emergency communication It reduces and prominent efficiency is rescued and located under emergency rating, constrain the coverage area of effective information in specific region, at present only The problem could partially be alleviated by being equipped with a large amount of signal equipment and personnel, but the training of cost and personnel are all difficult to meet in fact Border demand.
Summary of the invention
In order to make up information data deficiency present in transmission process in existing communication, the object of the present invention is to provide bases In the information forwarding method of wireless channel, reachable rate, speed, efficiency and the essence of information forwarding is can be improved in the retransmission method of design Degree;The retransmission unit of design can realize rapid deployment under emergency territorial environment and open up, by shortwave, ultrashort wave channel to covering The communication of cover region intra domain user carries out relay forwarding, and multiple can constitute repeating base station star network and realize entire emergency region Extension.
The technical scheme is that
A kind of information forwarding method based on wireless channel receives the radio channel information from information sender, described Information includes forwarding time and receiving party, judges whether received information includes receiving party's mark;If received letter Breath includes that receiving party identifies, and judges whether message sending time is to forward immediately, if the access time is to forward immediately, Then to the direct forwarding information of message receiver, if the access time is not to forward immediately, according to information forwarding time to letter Recipient's forwarding information is ceased, receiving party sends acknowledgement information to information forwarding side, and the acknowledgement information includes information mark Topic, receiving time and recipient;Before judging whether message identification includes receiving party's mark in the method, further includes: Information is parsed according to preset coding rule;The rule of the coding is position and the length of information,
It is characterized in that, the method also includes:
The radio channel information of the information sender is ultrashort wave or shortwave information;Judge in information whether specify information It is forwarded in a manner of shortwave or ultrashort wave, if specify information is forwarded in a manner of shortwave or ultrashort wave, is sent according to the specific mode, If not specified information is forwarded in a manner of shortwave or ultrashort wave, determine that information turns according to recipient and forwarding side's current location information Originating party formula.
Further, the method also includes: whether judge in information comprising sending frequency, if comprising sending frequency in information Rate is then forwarded according to the transmission frequency, if not comprising sending frequency in information, it is general logical using preferred current region Letter frequency is forwarded.
Further, judge whether received information includes after receiving party identifies in the method, further includes: be Receiving time is added in information, and the sending time delay of information is judged for recipient.
Further, if message is not to forward immediately in the method, further include: according to preset information coding standard The message received is encoded, the preset information coding standard is universal coding standard.
A kind of message retransmission unit based on wireless channel, which is characterized in that including signal receiving module, interconnection conversion with Sending module and power module;Signal receiving module is believed for receiving the information of information sender and sending to receiving party Breath;Interconnection conversion and sending module, for parsing forwarding time and the receiving party of received information;Power module is used for Power supply is provided to device;
The signal receiving module includes: Anneta module, shortwave module and ultrashort wave module, for receiving and emitting covering The shortwave and ultrashort wave signals of preset frequency range in region;
The interconnection conversion and sending module include conversion module, storage and parsing module and main control module;Conversion module Information for receiving signal receiving module is converted to digital signal;Storage is used to carry out digital signal with parsing module It stores and parses the mark of the recipient in information, access time and send frequency;When main control module is used to send information Between be not that the information forwarded immediately is encoded, and forwards information to signal receiving module according to information forwarding time.
Further, the Anneta module includes the portable dipole antenna for short-wave reception and transmitting, for ultrashort Wave receives and the middle feedback ultrashort wave whip antenna of transmitting.
Further, the signal receiving module further includes that signal receives control module, for controlling shortwave module and surpassing Shortwave module is carried out while being listened to and time division emission.
Further, power module has the function of thin film solar auxiliary power supply.
Further, the power module further includes management module, is configured for filling power supply to power supply.
It further, further include cabinet, the outer packing as device.
Further, the cabinet includes shock-proof machine frame.Shock-proof machine frame is installed on four wall of box house, in top and bottom It is connect by rubber damping block with cabinet, device is mounted on the rack, and is bolted.
Further, the cabinet further includes temperature control module.Temperature control module is used for the intracorporal temperature of regulating box and humidity.
Detailed description of the invention
Attached drawing 1 is retransmission method flow chart of the invention
Attached drawing 2 is that retransmission unit surface structure and composition are schemed
Attached drawing 3 is apparatus of the present invention deployment diagram
Attached drawing 4 is the comprehensive interconnection conversion of the present invention and sending assembly schematic diagram of the function
Attached drawing 5 is main control software of the present invention composition figure
Attached drawing 6 is small comprehensive power supply theory of constitution figure of the present invention
Attached drawing 7 is self-destruction module theory of constitution figure of the present invention
Attached drawing 8 is present invention carrying cabinet composition figure
Attached drawing 9 is temperature control algorithm flow chart of the present invention
Specific embodiment
Present invention will be further explained below with reference to the attached drawings and specific embodiments.
1, a kind of information forwarding method based on wireless channel obtains shortwave and ultrashort wave two using parallel form simultaneously The signal of a wireless channel carries out classification storage after parsing 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 be encrypted, data that treated by plus It carries device label and is converted into new information to be forwarded, be sent to sending module, it is immediately or fixed by the time encoding requirement in information When send, retransmission method process is shown in attached drawing 1.Specific step is as follows:
1) shortwave or ultrashort wave channel signal that signal receiving module 1 detects carry out signal identification, really after acquisition Data frame is converted to after thinking our discernible signal and is temporarily stored;
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 passes through the lookup of Data Matching type, long according to the information content of the type rule to data frame 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) it is crucial forward rule with pass-through mode, then message original text to be forwarded is turned immediately if it is pass-through mode immediately Hair;It is forwarded if it is timing, treats 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 is 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 conversion module 21 is stored Mouth unit;
If 7) there is level of confidentiality attribute byte in message, needs temporarily to store up by 23 pairs of main control module as required and there is 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 the message data frame in storage and read module 22, according to coding rule requirement pair Content, sender, recipient, level of confidentiality and pass-through mode to be forwarded are reintegrated, and require to send on time according to forwarding time Queue to be sent is formed to conversion module 21.
2, a kind of message retransmission unit based on wireless channel, comprising: signal receiving module 1, interconnection conversion and transmission mould Block 2, power module 3 and cabinet 4, surface structure and group prejudice attached drawing 2, functional block diagram are shown in attached drawing 3.
The retransmission unit independently disposes external environment out of office, can forward directly as communication relay, also may be constructed multiple turns Send out base station star network configuration realize emergency region extension, install it is simple and quick, it is unmanned on duty, can be improved severe region and Wireless communication interoperability under all weather conditions.Retransmission unit is installed on case using shock-proof machine frame 41 using cabinet 4 as carrying Four wall of internal portion is connect by rubber damping block with cabinet in top and bottom, and signal receiving module 1, interconnection are converted and sent Module 2 and power module 3, which are bolted to connection, to be mounted on shock-proof machine frame 41, and cabinet 4 is also equipped with temperature control module 42, is used for The intracorporal temperature of regulating box and humidity, guarantee the normal work of module.Attached drawing 4 is shown in device deployment.
The signal receiving module 1, for receiving the information of information sender and to receiving party's transmission information, including Shortwave module 11, ultrashort wave module 12, Anneta module 13 and signal receive control module 14;Anneta module 13, shortwave module 11 With ultrashort wave module 12, for receiving and emitting the shortwave and ultrashort wave signals of preset frequency range in covering region, wherein antenna mould Block 13 includes the portable dipole antenna for short-wave reception and transmitting, the middle feedback ultrashort wave whip for receiving and emitting for ultrashort wave Antenna;Shortwave module 11, can low speed, stabilization, at a distance using frequency hopping, Automatic Optimal frequency-selecting and the anti-interference transmission mode of low speed The lesser information of transmitted data amount;Ultrashort wave module 12, can using frequency hopping, Automatic Optimal frequency-selecting and the anti-interference transmission mode of high speed It tells, stablize, the biggish information of the transmitted data amount of short distance;Signal receives control module 14 for controlling shortwave module and surpassing Shortwave module, which keep simultaneously, listens and time division emission, coordinates the receiver and transmitter control strategy of retransmission unit, improves signal reception Efficiency and launching success rate.Functional block diagram is shown in attached drawing 5.
The interconnection conversion is used to parse forwarding time and the receiving party of received information with sending module 2, including Conversion module 21, storage and parsing module 22 and main control module 23.What conversion module 21 was used to receive signal receiving module Information is converted to digital signal, it can be achieved that dynamic routing between signal receiving module 1, supports the links such as shortwave ultrashort wave Routing preferably, and can realize multiple comprehensive routings by other retransmission units of wired connection;Storage is used for parsing module 22 will Digital signal is stored, including read/write circuit and storage chip, and the recipient that can be parsed in information according to analytic method marks Knowledge, access time and transmission frequency;Main control module 23 is used for be not the information that forwards immediately to the access time according to Coding method encodes information, and forwards information to signal receiving module 1 according to information forwarding time.Functional block diagram is shown in Attached drawing 6.
The power module 3 provides power supply, including lithium battery group able to quickly change 31, management mould for modules and cabinet 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/ The lithium battery group of 25Ah is not less than 48h between repeater station successive value is punctual, it can be achieved that when communications transmitting-receiving is than being 6: 4;Manage mould Block 32 is configured for filling power supply to power supply, realize voltage sample, current sample and the monitoring of DC intelligent management, maintenance and Maintenance function can balance the power demand of each module, improve the optimum management of power supply efficiency power supply 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.Functional block diagram is shown in attached drawing 7.
The cabinet 4 is made of high-intensitive rotational moulding material, one-shot forming technique, and apparent size is compact, and (length, width and height are little In 600 × 500 × 500mm), cabinet can rainproof, anti-sand dust and anti-biological invasion, and adapt to operational environment requirement, further include Shock-proof machine frame 41 and temperature control module 42, functional block diagram are shown in attached drawing 8.Wherein shock-proof machine frame 41 uses aluminium alloy standard rack, installation In four wall of box house, it is connect by rubber damping block with cabinet in top and bottom, modules are mounted on the rack, and are passed through It is bolted, meets the anti shock and vibration requirement of retransmission unit;Temperature control module 42 is using temperature control circuit and is suitable for round-the-clock ring The temperature control algorithm in border is adjusted the intracorporal temperature and humidity of case according to the temperature inside the box of acquisition, humidity environment parameter, temperature Control algorithm flow chart is shown in attached drawing 9.
Connection relationship: Anneta module 13 is connected by feeder line with the antennal interface on 4 surface of cabinet, is connected to letter by switching Number receiving module 1, signal receiving module 1 is by data-interface using 6 core shielded cables with the number of interconnection conversion and sending module 2 It is connected according to interface, interconnection conversion is connected using 4 core cables with the temperature control module 42 of cabinet with the control interface of sending module 2;Letter Number receiving module 1, interconnection conversion pass through 3 core cables with the power interface of sending module 2 and cabinet temperature control module 42 and are connected to Power module 3.
Using when this method conversion process it is as follows:
Signal receiving module 1 carries out signal acquisition first, completes after having detected shortwave or ultrashort wave channel signal The identification that signal is carried out after number conversion, using our signal identification stored in device to the multiple bytes of collected signal heads It is matched, is confirmed as our discernible signal if coincideing, and then be converted into data frame and store into caching;Interconnection conversion Data frame is decomposed with sending module 2,3 data match-types mark after searching our information distinguishing mark, confirmation The information category, for example classification 1;Main control module 23 is according to the regular information content length to data frame of classification 1 of storage, transmission The features such as side, recipient, level of confidentiality, pass-through mode and forwarding time are decomposed, and the above field contents have corresponding mark Position, corresponding content is stored in storage storage region corresponding with read module 22 after taking out marker;First with forwarding side Formula is crucial forward rule, if pass-through mode content is 0, then represents pass-through mode immediately, turns immediately to message original text to be forwarded Hair, highest priority;Timing pass-through mode is represented as if pass-through mode content is 1, in next step respectively according to shortwave, ultrashort wave It treats forwarding information with shortwave+ultrashort wave type to be encoded according to preset information coding standard, wherein preset information encodes Standard is universal coding standard or emergency specific coding standard;By fields such as tranmitting frequency, emitting times and fixed/frequency hopping codings Content stores the interface unit to conversion module 21;If level of confidentiality field contents are 0, then to need security requirements, pass through master in next step Control module 23 treats forwarding information and carries out primary encryption (preset emergency Encryption Algorithm), and loads the retransmission unit identification code, If level of confidentiality field contents are 1, then without carrying out primary encryption;Content field after treatment is reintegrated through main control module 23 Afterwards, it is reconfigured with information sender, recipient, level of confidentiality and pass-through mode, is sent to conversion module 21 by forwarding time Queue to be sent is formed, is emitted through signal receiving module 1, and the reception of waiting receipt information.

Claims (4)

1. a kind of information forwarding method based on wireless channel receives the radio channel information from information sender, the letter Breath includes forwarding time and receiving party, judges whether received information includes receiving party's mark;If received information It is identified including receiving party, judges whether message sending time is to forward immediately, if the access time is to forward immediately, To the direct forwarding information of message receiver, if the access time is not to forward immediately, according to information forwarding time to information Recipient's forwarding information, receiving party send acknowledgement information to information forwarding side;The acknowledgement information include message header, Receiving time and recipient;Before judging whether message identification includes receiving party's mark in the method, further includes: according to Preset coding rule parses information;The rule of the coding is position and the length of information;
It is characterized in that, the method also includes:
The radio channel information of the information sender is ultrashort wave or shortwave information;Judge whether specify information is with short in information Wave or ultrashort wave mode forward, if specify information is forwarded in a manner of shortwave or ultrashort wave, send according to the specific mode, if not Specify information is forwarded in a manner of shortwave or ultrashort wave, then determines information forwarding side according to recipient and forwarding side's current location information Formula.
2. information forwarding method according to claim 1, which is characterized in that the method also includes:
Whether judge in information comprising sending frequency;If being forwarded comprising transmission frequency according to the transmission frequency in information, If being forwarded not comprising sending frequency in information using preferred current region all purpose communication frequency.
3. information forwarding method according to claim 1, which is characterized in that whether judge received information in the method After receiving party's mark, further includes:
Receiving time is added for information, the sending time delay of information is judged for recipient.
4. information forwarding method according to claim 1, which is characterized in that if message is not to forward immediately in the method, Further include: the message received is encoded according to preset information coding standard, the preset information coding standard is logical Use coding standard.
CN201710204431.3A 2017-03-31 2017-03-31 A kind of information forwarding method based on wireless channel Active CN107104700B (en)

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Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1495651A (en) * 2002-07-10 2004-05-12 松下电器产业株式会社 Information repeat terminal and information distributing server
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
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
CN105531955A (en) * 2013-08-28 2016-04-27 谷歌公司 Wireless networking with flexibly-ordered relayers

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1495651A (en) * 2002-07-10 2004-05-12 松下电器产业株式会社 Information repeat terminal and information distributing server
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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