CN103826275B - The method that communication channel automatically switches - Google Patents
The method that communication channel automatically switches Download PDFInfo
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- CN103826275B CN103826275B CN201410095295.5A CN201410095295A CN103826275B CN 103826275 B CN103826275 B CN 103826275B CN 201410095295 A CN201410095295 A CN 201410095295A CN 103826275 B CN103826275 B CN 103826275B
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Abstract
The invention discloses a kind of method that communication channel automatically switches, existing emergency management and rescue command system is overcome in single communication channel, the problem of efficiency of transmission is seriously restricted by communication channels work state, and staff is difficult to select optimal channel communication pattern in a variety of communication channels in time.This method comprises the following steps：Firstly evaluate the transmission quality of several available communication channels, produce assessment result, optimal communication channel is determined according to the assessment result, if receive and send messages data, excellent communication channel is then automatically switched into working channel, and assign the network parameter of the working channel to receiving-transmitting sides computer, so as to set up the communication link for the both sides that receive and send messages.Also increase has buffer storage in embodiment, for the breakpoint transmission after the information data after the interim disconnection of network is carried out breakpoint record and connected again, after the completion of single transmitting-receiving process, removes this information data in buffer storage.
Description
Technical field
The invention belongs to Wi-Fi communication technical field, is that a kind of strategy that is used for commands system specifically
The method that communication channel in system automatically switches.
Background technology
Strategy command system, primarily to harm of the Disaster Event to people's life's health is reduced,
Improve strategy ability.System is based on strategy information support, with strategy mechanism and government
Emergency office's system coordinates, and can preferably ensure people's life to greatest extent for burst accident expansion medical rescue work
Life safety.
In the command system in the fields such as existing strategy, because of the versatility and economy in view of command system
Property, most of command system is mainly using the 3G Internet networks and GSM/CDMA/GPRS of current global general-use as communication
Pattern, seldom a part configure marine satellite on the basis of using above-mentioned all purpose communication pattern and a variety of channels of big-dipper satellite lead to
Letter pattern.Even if being configured with a variety of channel communication patterns, staff is also difficult to select optimal channel communication mould in time
Formula completes the transmitting-receiving task of information data in strategy.
Communication pattern of the prior art is primarily present following defect：
1st, wireless Internet transmission information is relied under common-mode, but transmission link redundancy is poor, by operator's base
Station arrangement's restriction has a great influence with geographical environment, occurs serious Doppler frequency shift when motion carrier is too fast, even if using 4G
Technology can lift some information transfer rates, during use can not which operator of automatic decision telecommunications, movement and UNICOM put down
Platform transmits efficiency highest.
2nd, general 3GInternet network communication links can not be on three operator's platforms of telecommunications, movement and UNICOM
Automatically switched, and be in most cases the signal strength according to present position（Beacon size）Manually cut
Change, it is difficult to ensure the high efficiency of transmission of emergency management and rescue information data in a link.
3rd, a variety of channel communication patterns also communications for using artificial judgment and manual switching, at a time receiving-transmitting sides more
Link can not be synchronous, the communication link that communicating pair can not be in a variety of communication channels used in optimal selection transmission information, seriously
Constrain giving full play to for strategy Command ＆ Decision System efficiency.
The content of the invention
The present invention is intended to provide a kind of method that communication channel automatically switches, is existed with solving existing emergency management and rescue command system
In single communication channel, efficiency of transmission is seriously restricted by communication channels work state, and staff is difficult in time in a variety of communications
The problem of optimal channel communication pattern is selected in channel.
To realize above-mentioned technical purpose, the technical solution adopted by the present invention is as follows：
A kind of method that communication channel automatically switches, in network communication equipment, comprising the following steps：
A, the transmission quality of available communication channel and communication channel is assessed every the set time, produces assessment result,
The communication channel includes at least one communication channel based on base station and at least one satellite-based communication channel；
B, optimal communication channel is determined according to assessment result, waits communication channel switching；
C, after optimal communication channel automatically switches into working channel, judge whether information sender starts transmission Information Number
According to；
If D, do not started, continue step C, if started, the network parameter of the working channel in step C is assigned
Receiving-transmitting sides computer, so as to set up the communication link of receiving-transmitting sides；
E, judge whether the information data of receiving-transmitting sides receives and dispatches completion, if not completing, continue to receive and dispatch, if completing, weigh
The startup for data of receiving and sending messages next time is waited after multiple step A and B.
Because traditional communication pattern relies primarily on the communication channel based on base station, for example move, UNICOM and telecommunications, this
The application of emergency management and rescue information system is limited to a certain extent, and for emergency management and rescue information system, the present invention exists
Add can be with after the communication channel of satellite communication, expanding emergency management and rescue information system optimal communication channel significantly
Range of choice, improve emergent rescue capability.
Furthermore, it is understood that the method for the transmission quality of communication channel is assessed in the step A to be included：Every the set time pair
Each communication channel transceiving data test bag, transmission rate is calculated according to transmitting-receiving time and transceiving data amount.Above by transmission number
According to test bag（Heartbeat packet）The work of communication channel can simply be judged exactly by assessing the specific method of traffic channel quality
Make state and transmission rate.
Furthermore, it is understood that the biography of each communication channel is determined according to the size of the transmission rate before the step C
Defeated efficiency, judge whether a certain communication channel by manual switching into working channel, if in the presence of stopping will most in step C
Excellent communication channel automatically switches into the operation of working channel, and directly assigns the network parameter of the communication channel of manual switching and receiving
Send out both computer.Above-mentioned restriction can allow user to avoid defending according to current communication channel situation manual switching communication channel
The problems such as star communications cost height and communication channel excessively switch
Furthermore, it is understood that the information data in the step E also comprises the following steps during transmitting-receiving：
E1 while information data is stored in buffer storage；
E2, judge whether the network of working channel disconnects temporarily, if disconnecting, perform step E3, if being not turned off,
Then skip to step E4 execution；
E3, record transmission breakpoint, and information data is continued into deposit buffer storage, after working channel re-establishes, then
Information data in buffer storage is carried out breakpoint transmission；
E4, judge whether the transmitting-receiving task of information data is completed, if completing, remove the sheet being stored in buffer storage
Secondary data of receiving and sending messages.
Received and dispatched by setting buffer storage with supporting to transmit information cache, the function of breakpoint transmission, avoid information data
Loss, prevent the situation that information data constantly retransmits busy channel resource.
Furthermore, it is understood that the network parameter in the step D comprises at least IP address, and receiving-transmitting sides computer capacity will be by
The IP address of imparting is as fixed ip address.The double hairs of transmitting-receiving for being capable of fixed ip address may insure stable communication link.
Brief description of the drawings
Fig. 1 is the specific implementation flow chart of the method for the invention；
Fig. 2 is the flow chart of cooperation buffer storage during communication data transmitting-receiving.
Embodiment
Present invention is mainly applied in strategy command system, emergent doctor is improved by increasing a variety of communication channels
Rescue ability is learned to reduce harm of the Disaster Event to people's life's health.Except traditional movement, UNICOM and telecommunications etc.
Outside three kinds of different channels patterns that operator provides, marine satellite, big-dipper satellite etc. are additionally provided based on satellite communication
Channelling mode, this make it that the range of choice of optimal communication channel is expanded, and is advantageous to occur emergency management and rescue system during disaster
System efficient operation.
In order that the present invention may be better understood in those skilled in the art, with reference to the accompanying drawings and examples to this hair
Bright technical scheme further illustrates.
As shown in figure 1, a kind of method that communication channel automatically switches, comprises the following steps：
1st, the transmission quality of available communication channel and communication channel is assessed every the set time, produces assessment result.
A kind of fairly simple appraisal procedure is every the set time（Such as one minute）To each communication channel transceiving data test bag（The heart
Jump bag）, according to transmitting-receiving time and the transmission rate of each communication channel of transceiving data amount calculating, the size of transmission rate determines to lead to
Believe the efficiency of transmission of channel, this state can be shown by display device, and user can intuitively tell very much to be worked as
The transmission efficiency of preceding each communication channel.
2nd, according to the transmission rate calculated in step 1（That is assessment result）It is determined that current optimal communication channel, is waited logical
Believe channel switching.
3rd, after optimal communication channel automatically switches into working channel in step 2, judge whether information sender starts hair
Send information data, that is to say, that when information sender will be communicated with receiving party, also just accordingly start Information Number
According to transmitting-receiving process.
If the 4th, without the transmitting-receiving of information data, monitor subsequent data whether in need of receiving and sending messages at any time；If hair
The side of sending will start the transmitting-receiving of information data, and work letter is manually switched to the presence or absence of a certain communication channel before first having to judge
The operation in road, if without manual switching, just by the network parameter of working channel in step 3（For example IP address, gateway, subnet are covered
The information such as code）Sender's computer is assigned to, so as to set up the communication link of receiving-transmitting sides.Under normal circumstances, system is in
It Auto-Sensing state, can only use, and can exist during in order to reduce satellite communication use cost manual in clear and definite 3G Internet
Switching, now need not then complete to automatically switch into optimal communication channel into the operation of working channel, but will directly cut manually
The network parameter of working channel after changing assigns receiving-transmitting sides computer automatically, equally establishes the communication link of receiving-transmitting sides.
5th, judge whether the information data of receiving-transmitting sides receives and dispatches completion, if not completing, continue to receive and dispatch, if completing, weigh
The startup for data of receiving and sending messages next time is waited after multiple step 1 and 2.
As shown in Fig. 2 information data during transmitting-receiving, also comprises the following steps：
51st, during information data is while send, while being stored into buffer storage；
52nd, judge whether the network of current operating channel disconnects temporarily, if disconnecting, step 53 is performed, if not having
Disconnect, then skip to step 54 and perform；
53rd, by MCU intelligently record transmission breakpoints, and information data is continued into deposit buffer storage, working channel weight is treated
After new foundation, then the information data progress breakpoint transmission in buffer storage；
54th, judge whether the transmitting-receiving task of information data is completed, if complete, remove buffer storage in be stored in this
Information data, if not completing, the information data in buffer storage is just removed after the completion of this transmitting-receiving task.
It is that need to consider that the cost of the satellite communications such as marine satellite, big-dipper satellite is higher to need to carry out manual switching
Situation, and compare that cost is substantially cheap by the cost of base station communication, therefore in any operation of UNICOM, movement or telecommunications
When the signal of business is enough to support communication device works, it is not necessary to believe satellite-based communication channel as work
Road；The optimal communication channel in UNICOM, movement and telecommunications may frequently change in the area having for another example, if communication channel
After data of receiving and sending messages start by the way of automatically switching, communication channel can be caused excessively to switch, signal of communication is unstable,
Or if terminal device is linked up with rate, it is also necessary to which in view of the rate card of a certain operator, Sorry, your ticket has not enough value or arrearage is asked
Topic, such case is also possible to cause the interruption of communication process, therefore operator can be according to display device in step 1
Each communication channel signal efficiency of transmission combine be currently needed for being manually switched to some communication channel, to ensure emergency management and rescue
The timely transmission of information data.
The method to automatically switch above to a kind of communication channel provided by the invention is described in detail.Specific embodiment
Explanation be only intended to help understand the present invention method and its core concept.It should be pointed out that for the common of the art
For technical staff, under the premise without departing from the principles of the invention, some improvement and modification can also be carried out to the present invention, these
Improve and modification is also fallen into the protection domain of the claims in the present invention.
Claims (4)
1. a kind of method that communication channel automatically switches, in network communication equipment, it is characterised in that comprise the following steps：
A, the transmission quality of available communication channel and communication channel is assessed every the set time, produces assessment result, it is described
Communication channel includes at least one communication channel based on base station and at least one satellite-based communication channel；
B, optimal communication channel is determined according to assessment result, waits communication channel switching；
C, after optimal communication channel automatically switches into working channel, judge whether information sender starts transmission information data；
If D, do not started, continue step C, if started, assign the network parameter of the working channel in step C to transmitting-receiving
Both computer, so as to set up the communication link of receiving-transmitting sides；
E, judge whether the information data of receiving-transmitting sides receives and dispatches completion, if not completing, continue to receive and dispatch, if completing, repeat to walk
The startup for data of receiving and sending messages next time is waited after rapid A and B；
The method of the transmission quality of communication channel is assessed in the step A to be included：Each communication channel is received and dispatched every the set time
Data test bag, transmission rate is calculated according to transmitting-receiving time and transceiving data amount.
2. according to the method for claim 1, it is characterised in that root before optimal communication channel is determined in the step B
The efficiency of transmission of each communication channel is determined according to the size of the transmission rate, in the step C before switch operating channel
Judge whether a certain communication channel by manual switching into working channel, if in the presence of stopping believing optimal communication in step C
Road automatically switches into the operation of working channel, and directly assigns the network parameter of the communication channel of manual switching to receiving-transmitting sides meter
Calculation machine.
3. according to the method for claim 1, it is characterised in that the information data in the step E is during transmitting-receiving, also
Comprise the following steps：
E1 while information data is stored in buffer storage；
E2, judge whether the network of working channel disconnects temporarily, if disconnecting, perform step E3, if being not turned off, jump
Performed to step E4；
E3, record transmission breakpoint, and information data is continued into deposit buffer storage, after working channel re-establishes, then slow
Information data in cryopreservation device carries out breakpoint transmission；
E4, judge whether the transmitting-receiving task of information data is completed, if completing, remove this receipts being stored in buffer storage
Photos and sending messages data.
4. according to the method for claim 1, it is characterised in that the network parameter in the step D comprises at least IP address,
And receiving-transmitting sides computer capacity is using the IP address being endowed as fixed ip address.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410095295.5A CN103826275B (en) | 2014-03-14 | 2014-03-14 | The method that communication channel automatically switches |
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| CN201410095295.5A CN103826275B (en) | 2014-03-14 | 2014-03-14 | The method that communication channel automatically switches |
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| CN103826275B true CN103826275B (en) | 2017-12-22 |
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Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104967692B (en) * | 2015-07-09 | 2017-02-15 | 焦点科技股份有限公司 | Host mapping automatic switching method and system |
| CN105871448B (en) * | 2016-03-30 | 2018-05-11 | 中科凯普（北京）导航通信技术有限公司 | A kind of high ferro broadband private network high dynamic conversion method |
| CN107947879A (en) * | 2017-11-23 | 2018-04-20 | 中国船舶重工集团公司第七〇九研究所 | Ship communication channel switching device, system and its application method |
| CN109743135A (en) * | 2018-12-29 | 2019-05-10 | 中国大唐集团新能源科学技术研究院有限公司 | A kind of method of breakpoint transmission file transmission |
| CN110012026B (en) * | 2019-04-18 | 2021-08-06 | 大连海事大学 | Unmanned ship intelligent gateway based on hybrid password and data transmission method |
| CN113260009A (en) * | 2021-04-25 | 2021-08-13 | 昆明乐子科技有限公司 | Method for switching a communication connection to another channel (handover) |
| CN115379598B (en) * | 2022-08-25 | 2024-02-27 | 广东电网有限责任公司 | Multi-mode communication system |
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| CN103237355A (en) * | 2013-04-25 | 2013-08-07 | 京信通信系统（中国）有限公司 | Method and system for automatically distributing wireless communication channels |
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| CN1589048A (en) * | 2004-09-13 | 2005-03-02 | 于耕 | Multisystem multichannel radio communication device and radio communication method using said device |
| US20070072554A1 (en) * | 2005-09-28 | 2007-03-29 | M/A-Com, Inc. | System and method for automatic roaming in land mobile radio systems |
| CN101188840A (en) * | 2007-12-25 | 2008-05-28 | 中兴通讯股份有限公司 | Voice switching system and method based on dual-mode/multi-mode system |
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