CN106533592A - Multi-service data communication method and communication system for underwater acoustic network - Google Patents
Multi-service data communication method and communication system for underwater acoustic network Download PDFInfo
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- CN106533592A CN106533592A CN201611054473.5A CN201611054473A CN106533592A CN 106533592 A CN106533592 A CN 106533592A CN 201611054473 A CN201611054473 A CN 201611054473A CN 106533592 A CN106533592 A CN 106533592A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B17/00—Monitoring; Testing
- H04B17/30—Monitoring; Testing of propagation channels
- H04B17/382—Monitoring; Testing of propagation channels for resource allocation, admission control or handover
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B13/00—Transmission systems characterised by the medium used for transmission, not provided for in groups H04B3/00 - H04B11/00
- H04B13/02—Transmission systems in which the medium consists of the earth or a large mass of water thereon, e.g. earth telegraphy
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L47/00—Traffic control in data switching networks
- H04L47/70—Admission control; Resource allocation
- H04L47/80—Actions related to the user profile or the type of traffic
- H04L47/805—QOS or priority aware
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L47/00—Traffic control in data switching networks
- H04L47/70—Admission control; Resource allocation
- H04L47/82—Miscellaneous aspects
- H04L47/822—Collecting or measuring resource availability data
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Abstract
The invention relates to a multi-service data communication method and communication system for an underwater acoustic network. The multi-service data communication method comprises the steps that 1 a decision node is set to detect and acquire available spectrum resources of underwater low interference, and a common control channel and a number of transmission channels are divided from the resources to generate a threshold value according to the number of the transmission channels; 2 a user node with a communication demand sends the service type information of the transmitted data to the decision node, and the decision node sorts the service type information in order according to a predetermined algorithm and generates a corresponding type value in a one-to-one corresponding manner; and 3 each generated type value is compared with the threshold value. If the type value is less than the threshold value, the user node of the type value is assigned to access a transmission channel for communication. If the type value is not less than the threshold value, waiting for a next time slot is carried out, and returning to the step 1 for re-implementation is carried out.
Description
Technical field
The invention belongs to subsurface communication field, and in particular to a kind of multi-service data communication means for underwater acoustic network and
Communication system.
Background technology
Underwater sound communication is mainly used in military field at the beginning, recently as marine resources constantly by human development profit
With for example to environmental system pollution monitoring, marine resources and hydrologic exploration, under water frogman's operation etc. so that underwater sound communication should
It is more and more openr with prospect.And with the mankind under water it is movable increasingly frequently, data volume is bigger, it is desirable to obtain more seas
Foreign information is increasingly becoming one of great social demand.Wherein underwater video signal becomes the core of multimedia business transmission, and single
Road transmission channel has obviously been unsatisfactory for current requirement.In addition to transmitting underwater video signal, audio signal, sensor information etc.
All using the content as transmission.Then, in underwater acoustic network, the design of multi-service data communication system is particularly important.
However, the frequency spectrum resource under water that can be used for data transfer is extremely limited, underwater acoustic channel is again easily by high ambient noise
Interference, extremely unstable.When multiple user nodes share limited frequency spectrum resource under water, corresponding underwater acoustic channel is in multiple use
It is allocated between the node of family.As communication system is not aware that the type of service of institute's transmission data, in some cases, to real-time
Property the data that have high demands can cause to postpone communication due to channel confliction, if using the underwater acoustic channel transmission number that there is noise jamming
According to the stability of data transfer, or even the loss that can also cause information can be affected.
The content of the invention
The purpose of the present invention is the above-mentioned deficiency for overcoming prior art, there is provided a kind of multi-service data for underwater acoustic network
Communication means and device, by detecting that the usable spectrum resource for obtaining low interference under water is divided, for the industry of different pieces of information
Service type is transmitted the preferential distribution of channel, has ensured the requirement of the stability and promptness of multi-service data communication under water.
To solve above-mentioned technical problem, the invention provides a kind of multi-service data communication means for underwater acoustic network,
Comprise the following steps：Step 1：A decision node is set, detection obtains the usable spectrum resource of low interference under water, and therefrom divides
Go out a CCCH and some transmission channels, a threshold value is generated according to transmission channel number；Step 2：There is communication to need
The user node asked sends the traffic type information of its transmission data to decision node, and decision node is according to pre-defined algorithm to each
Traffic type information sequentially sorts, and corresponds the corresponding types value of generation；Step 3：By all kinds of offsets for generating and thresholding
Value makes decisions and compares；If such offset is less than threshold value, distributes such offset owning user node access transmission channel and enter
Row communication；If such offset is not less than threshold value, next time slot is waited until, return to step 1 is re-executed.
Further, a decision node is set in the step 1, detection obtains the usable spectrum resource of low interference under water to be included
Following steps：
Step 1.1：A decision node is set, the idle channel in frequency range is detected, obtained current each underwater sound and believe
The energy value E of road ambient noisei；
Step 1.2：One is arranged with channel circumstance noise power value EiThe detected value ε for comparing；
Step 1.3：If Ei>=ε, then judge that interference signal is present, and channel is unavailable；If Ei＜ ε, then judge that degree of disturbance is relatively low
For available channel；
Step 1.4：Usable spectrum resource is updated, repeat step 1.3 is until the idle channel in frequency range compares finishes.
Further, the CCCH is applied to the traffic type information between user node and decision node and channel
The transmission of assignment signalling；And
The transmission channel is applied to the transmission of the communication service data between each user node.
Further, the pre-defined algorithm in the step 2 is suitable for use with bubble sort method, i.e.,
Each traffic type information is according to priority compared two-by-two, by the high to Low sequence of priority, according to priority time
Sequence carrys out exchange position；
The traffic type information includes：Traffic type information, underwater video signal, audio signal and sensor information,
And priority is：Traffic type information>Underwater video signal>Audio signal>Sensor information.
Further, structure of time slot is used when each node communicates in underwater acoustic network；
The structure of time slot includes：Channel Detection transmits sub-slots, channel distribution with sub-slots, traffic type information is divided
Signalling sub-slots, and communication service data transmission sub-slots.
Another aspect, present invention also offers a kind of multi-service data communication system, including：Some user nodes, are used for
Communicate with decision node, and carry out communication service data transmission；A decision node is set, and low interference under water is obtained for detecting
Usable spectrum resource is divided, and generates corresponding threshold value and types value, and according to court verdict to each user node
Distribution transmission channel.
Further, the user node includes：Transmit-Receive Unit and data cell；The Transmit-Receive Unit includes：Transmitter module,
Modulation module, receiver module, demodulation module and channel access module；Wherein described transmitter module is connected with modulation module, is used for
Realization is modulated the signal to；The transmitter module includes：The signal transmitting transducing being sequentially connected with
Device, power match amplifier；The modulation module includes：The D/A converter that is sequentially connected with, digital modulator；And described connect
Receive module to be connected with demodulation module, specify the signal on channel to be demodulated for realizing receiving；The receiver module includes：It is suitable
The signal receive transducer of secondary connection, Signal Matching amplifier；The demodulation module includes：The A/D converter that is sequentially connected with and
Digital demodulator；And the channel access module is connected with digital modulator, digital demodulator respectively, for realizing that signal is sent out
Send and receive the selection of channel；The data cell includes：Traffic type information processor, communication service data memory；Its
Middle traffic type information processor is used for the traffic type information for producing institute's transmission data.
Further, the decision node includes：Information transmission unit, interchannel noise detector unit, order buffer unit and
Channel data processing unit；Wherein described information transmission unit, for the communication realized and between each user node；The channel is made an uproar
Sound detection unit is used to realize to underwater acoustic channel environmental noise power value EiAcquisition, and including：The energy acceptance being sequentially connected with
Transducer, narrow band filter, square-law detector, integrator and A/D samplers；The order buffer unit, it is right for realizing
Each traffic type information sequentially sorts by pre-defined algorithm, and generates corresponding types value；The channel data processing unit bag
Include：Detected value setup module, first comparator, channel management module, the second comparator and channel assignment module；Wherein described inspection
Measured value setup module is used to arrange one with channel circumstance noise power value EiThe detected value ε for comparing；The two of first comparator
Individual input is connected with A/D samplers and detected value setup module respectively, for carrying out each channel circumstance noise power value EiWith
The comparison of detected value ε；The channel manager is connected with the output end of first comparator, for obtaining the available of low interference under water
Frequency spectrum resource is divided, and generates a threshold value；Two inputs of second comparator respectively with order buffer unit,
The output end of channel manager is connected, for carrying out the size judgement of all kinds of offsets and threshold value；And the channel distribution mould
Block is connected with the output end of the second comparator, for distributing transmission channel to user node.
To sum up, the present invention provides a kind of multi-service data communication means and communication system for underwater acoustic network, and which passes through
Detection obtains the usable spectrum resource of low interference under water and is divided, and is transmitted channel for the type of service of different pieces of information
It is preferential to distribute, ensure the requirement of the stability and promptness of multi-service data communication under water.
Description of the drawings
In order that present disclosure is more likely to be clearly understood, below according to specific embodiment and combine accompanying drawing,
The present invention is further detailed explanation, wherein：
A kind of theory diagram of underwater acoustic network communication system that Fig. 1 is provided for the present invention；
A kind of theory diagram of user node that Fig. 2 is provided for the present invention；
A kind of theory diagram of decision node that Fig. 3 is provided for the present invention；
A kind of structure of time slot schematic diagram that Fig. 4 is provided for the present invention；
The method flow diagram that Fig. 5 communicates for a kind of multi-service data for underwater acoustic network that the present invention is provided；
Fig. 6 obtains the method flow diagram of the usable spectrum resource of low interference under water for a kind of detection that the present invention is provided；
Fig. 7 is the theory diagram of interchannel noise detector unit in the present invention；
Fig. 8 is the structural representation that the traffic type information of the present invention transmits sub-slots；
Fig. 9 is the sequence schematic diagram of the priority of the present invention.
It is entitled shown in label in accompanying drawing：
Transmit-Receive Unit 1；Transmitter module 11；Signal transmitting transducer 111；Power match amplifier 112；Modulation module 12；
D/A converter 121；Digital modulator 122；Receiver module 13；Signal receive transducer 131；Signal Matching amplifier 132；Solution
Mode transfer block 14；A/D converter 141；Digital demodulator 142；Channel access module 15；
Data cell 2；Traffic type information processor 21；Communication service data memory 22；
Information transmission unit 3；
Interchannel noise detector unit 4；Energy acceptance transducer 41；Narrow band filter 42；Square-law detector 43；Integrator
44；A/D samplers 45；
Order buffer unit 5；
Channel data processing unit 6；Detected value setup module 61；First comparator 62；Channel management module 63；Second ratio
Compared with device 64；Channel assignment module 65.
Specific embodiment
To make the object, technical solutions and advantages of the present invention of greater clarity, with reference to specific embodiment and join
According to accompanying drawing, the present invention is described in more detail.It should be understood that these descriptions are simply exemplary, and it is not intended to limit this
Bright scope.Additionally, in the following description, the description to known features and technology is eliminated, to avoid unnecessarily obscuring this
The concept of invention.
Embodiment 1
The present embodiment 1 provides a kind of multi-service data communication system for underwater acoustic network.
A kind of structural representation of underwater acoustic network communication system that Fig. 1 is provided for the present invention, including：Some user nodes,
For communicating with decision node, and carry out communication service data transmission；One decision node, obtains low dry under water for detecting
The usable spectrum resource disturbed is divided, and generates corresponding threshold value and types value, and according to court verdict to each user
Node distribution transmission channel.
A kind of structural representation of user node that Fig. 2 is provided for the present invention.
The user node includes：Transmit-Receive Unit 1 and data cell 2.The Transmit-Receive Unit 1, by transmitter module 11, modulation
Module 12, receiver module 13, demodulation module 14 and channel access module 15 are constituted.Transmitter module 11 is connected with modulation module 12,
Be transmitted on the channel specified for realizing modulating the signal to.The transmitter module 11, by the signal transmitting being sequentially connected with
Transducer 111 and power match amplifier 112 are constituted.The modulation module 12, by 121 sum of D/A converter being sequentially connected with
Word modulator 122 is constituted.Receiver module 13 is connected with demodulation module 14, for realizing that receiving the signal on specified channel is solved
Adjust.The receiver module 13, is made up of the signal receive transducer 131 and Signal Matching amplifier 132 that are sequentially connected with.The solution
Mode transfer block 14, is made up of the A/D converter 141 and digital demodulator 142 that are sequentially connected with.Channel access module 15 respectively with numeral
Modulator 122 is connected with digital demodulator 142, for realizing signal transmission or receiving the selection of channel.The channel access mould
Block 15 is suitable for use with microprocessor realization.The data cell 2, is deposited by traffic type information processor 21 and communication service data
Reservoir 22 is constituted.Wherein, traffic type information processor 21 is used for the traffic type information for producing institute's transmission data.
A kind of structural representation of decision node that Fig. 3 is provided for the present invention.The decision node includes：Information transfer list
Unit 3, interchannel noise detector unit 4, order buffer unit 5 and channel data processing unit 6.Described information transmission unit 3, is used for
Realize and the communication between each user node.The interchannel noise detector unit 4, by the energy acceptance transducer 41 being sequentially connected with,
Narrow band filter 42, square-law detector 43, integrator 44 and A/D samplers 45 are constituted, for realizing to underwater acoustic channel environment
Noise power value EiAcquisition.The order buffer unit 5, for realizing each traffic type information is sequentially arranged by pre-defined algorithm
Sequence, and generate corresponding types value.The channel data processing unit 6, by detected value setup module 61, first comparator
62nd, channel management module 63, the second comparator 64 and channel assignment module 65 are constituted.Detected value setup module 61 is used to arrange one
Individual and channel circumstance noise power value EiThe detected value ε for comparing.Two inputs of first comparator 62 are sampled with A/D respectively
Device 45 is connected with detected value setup module 61, for carrying out each channel circumstance noise power value EiWith the comparison of detected value ε.Channel
Manager 63 is connected with the output end of first comparator 62, and the usable spectrum resource for obtaining low interference under water is divided,
And a threshold value is generated according to transmission channel number.Two inputs of the second comparator 64 respectively with order buffer unit 5 and
Channel manager 63 is connected, for carrying out the size judgement of all kinds of offsets and threshold value.Channel assignment module 65 compares with second
The output end of device 64 is connected, for distributing transmission channel to user node.
Embodiment 2
On the basis of embodiment 1, a kind of multi-service for underwater acoustic network between each user node and decision node, is employed
Data communications method, uses structure of time slot when each node communicates in underwater acoustic network, its structural representation is as shown in figure 4, by believing
Detect and divide sub-slots, traffic type information transmission sub-slots, channel distribution signalling sub-slots, and communication service in road
Data transfer sub-slots are constituted.The method is divided by the usable spectrum resource for detecting acquisition low interference under water, for not
The preferential distribution of channel is transmitted with the type of service of data, the stability and in time of the communication of multi-service data under water has been ensured
The requirement of property, method flow diagram is as shown in figure 5, comprise the following steps：
Step 1：A decision node is set, detection obtains the usable spectrum resource of low interference under water, and therefrom marks off one
Bar CCCH and some transmission channels, generate a threshold value according to transmission channel number.
In the above-described embodiments, using underwater acoustic channel frequency band it is narrow, easy full frequency band is monitored the characteristics of, Channel Detection and draw
Molecule time slot, detects the usable spectrum resource for obtaining low interference under water using following methods, so as to avoid access strong noise from doing
The underwater acoustic channel disturbed, has ensured the stability of data transfer, and corresponding flow chart is as shown in Figure 6：
Step 1.1：A decision node is set, the idle channel in frequency range is detected, obtained current each underwater sound and believe
The energy value E of road ambient noisei；
Step 1.2：One is arranged with channel circumstance noise power value EiThe detected value ε for comparing；
Step 1.3：If Ei>=ε, then judge that interference signal is present, and channel is unavailable；If Ei＜ ε, then judge that degree of disturbance is relatively low
For available channel；
Step 1.4：Usable spectrum resource is updated, repeat step 1.3 is until the idle channel in frequency range compares finishes.
In the above-described embodiments, each underwater acoustic channel environmental noise power valueAcquisition process such as Fig. 7
It is shown.Wherein, in detection time T, the noise signal for being detected channel is received by receive transducer, and passes through narrow-band filtering
Device 42 is input into into square-law detector, and is passed sequentially through integrator, A/D samplers and completed to underwater acoustic channel environmental noise power
ValueCalculating, in formula, Ei represents corresponding underwater acoustic channel environmental noise power value, and M is represented in detection time
The number of A/D samplers institute sampled point in T.
In the above-described embodiments, the CCCH is used for the transmission of traffic type information and channel distribution signaling；
The transmission channel is used for the communication service data of user node to be transmitted；The threshold value size is carried out according to transmission channel number
Setting.When transmission channel number is more, threshold value will be heightened, and when transmission channel number is less, threshold value will be turned down.Example
When such as, it is assumed that transmission channel number is 1,2,3,4 ..., a kind of its corresponding threshold value may be set to 0001,0010,0011,
0100 ... (herein for the convenience of digital processing, being expressed as binary form).
Step 2：The user node for having communication requirement sends the traffic type information of its transmission data to decision node, certainly
Plan node sequentially sorts to each traffic type information according to pre-defined algorithm, and corresponds the corresponding types value of generation.
In the above-described embodiments, sub-slots are transmitted in traffic type information, has the user node of communication requirement by public
Control channel sends its traffic type information to decision node in a time multiplexed manner, as shown in Figure 8.
In the above-described embodiments, the type of service of the transmission data includes：Real-time service information, underwater video letter
Number, audio signal and sensor information.The type of service and its corresponding traffic type information, priority level such as table 1 below institute
Show.
The type of service and its corresponding type information, priority level of 1 transmission data of table
In the above-described embodiments, the pre-defined algorithm adopts bubble sort method, is implemented as：To each traffic type information
According to priority compared two-by-two, by the high to Low sequence of priority, according to priority order come exchange position.If there is priority
Identical situation, then the priority time of each traffic type information according to received by decision node be ranked up.Then, according to
Ranking results, correspond and generate corresponding types value (types value corresponding to the high traffic type information of priority is less).
For example, after being sorted to the priority of each traffic type information from high to low, a kind of types value of generation is 0000,0001,0010,
0011 ... (binary form), as shown in Figure 9.Wherein, real-time service information such as but not limited to includes under water：Need tight
The anxious information for processing or the data message strict to time requirement；Sensor information such as warning information under water, sensor letter
Breath may be considered non-temporal and require strict data, by the underwater environment parameter of sensor senses, such as hydraulic pressure, water temperature, water
Lower geography information etc..
Step 3：All kinds of offsets for generating are made decisions with threshold value and is compared, if such offset is less than threshold value, divided
Communicated with such offset owning user node access transmission channel；If such offset is more than or equal to threshold value, wait
To next time slot, return to step 1 is re-executed.
In the above-described embodiments, sub-slots are transmitted in assignment signalling, decision node is by sentencing according to types value and threshold value
Certainly compare to distribute transmission channel, and result is broadcasted into into underwater acoustic network all of user node.Pass in communication service data
Access transmission channel is communicated by defeated sub-slots, the user node for obtaining channel distribution.For example, when transmission channel number is 2
When, when a kind of generated threshold value is 0010, corresponding types value is the user's section belonging to 0000 and 0001 in the above-described embodiments
Point can preferentially be distributed access transmission channel and be communicated, and other users node is then needed to wait for next time slot, is returned
Step 1 is re-executed.So as to being stablized, timely being transmitted ensureing the high business datum of priority in this way.
It should be appreciated that the above-mentioned specific embodiment of the present invention is used only for exemplary illustration or explains the present invention's
Principle, and be not construed as limiting the invention.Therefore, that what is done in the case of without departing from the spirit and scope of the present invention is any
Modification, equivalent, improvement etc., should be included within the scope of the present invention.Additionally, claims purport of the present invention
In the whole changes covered in the equivalents for falling into scope and border or this scope and border and repair
Change example.
Claims (8)
1. a kind of multi-service data communication means for underwater acoustic network, it is characterised in that comprise the following steps：
Step 1：Set a decision node, detection obtains the usable spectrum resource of low interference under water, and therefrom mark off one it is public
Control channel and some transmission channels, generate a threshold value according to transmission channel number altogether；
Step 2：The user node for having communication requirement sends the traffic type information of its transmission data, decision-making section to decision node
Point sequentially sorts to each traffic type information according to pre-defined algorithm, and corresponds the corresponding types value of generation；
Step 3：All kinds of offsets for generating are made decisions with threshold value and is compared；
If such offset is less than threshold value, distributes such offset owning user node access transmission channel and communicated；If should
Types value is not less than threshold value, then wait until next time slot, and return to step 1 is re-executed.
2. according to multi-service data communication means described in claim 1, it is characterised in that
A decision node is set in the step 1, detection obtains the usable spectrum resource of low interference under water and comprises the following steps：
Step 1.1：A decision node is set, the idle channel in frequency range is detected, obtain current each underwater acoustic channel ring
The energy value E of border noisei；
Step 1.2：One is arranged with channel circumstance noise power value EiThe detected value ε for comparing；
Step 1.3：If Ei>=ε, then judge that interference signal is present, and channel is unavailable；If Ei＜ ε, then judge that degree of disturbance is relatively low as can
Use channel；
Step 1.4：Usable spectrum resource is updated, repeat step 1.3 is until the idle channel in frequency range compares finishes.
3. according to multi-service data communication means described in claim 2, it is characterised in that
The CCCH is applied to the traffic type information between user node and decision node with channel distribution signaling
Transmission；And
The transmission channel is applied to the transmission of the communication service data between each user node.
4. according to multi-service data communication means described in claim 3, it is characterised in that
Pre-defined algorithm in the step 2 is suitable for use with bubble sort method, i.e.,
Each traffic type information is according to priority compared two-by-two, by the high to Low sequence of priority, according to priority order come
Exchange position；
The traffic type information includes：Real-time service information, underwater video signal, audio signal and sensor information, and
Priority is：Real-time service information>Underwater video signal>Audio signal>Sensor information.
5. according to multi-service data communication means described in claim 4, it is characterised in that
Structure of time slot is used when each node communicates in underwater acoustic network；
The structure of time slot includes：Channel Detection transmits sub-slots, channel distribution signaling with sub-slots, traffic type information is divided
Transmission sub-slots, and communication service data transmission sub-slots.
6. a kind of multi-service data communication system for underwater acoustic network, it is characterised in that include：
Some user nodes, for communicating with decision node, and carry out communication service data transmission；
A decision node is set, for detecting that the usable spectrum resource for obtaining low interference under water is divided, and is generated corresponding
Threshold value and types value, and distribute transmission channel to each user node according to court verdict.
7. multi-service data communication system according to claim 6, it is characterised in that
The user node includes：Transmit-Receive Unit and data cell；
The Transmit-Receive Unit includes：Transmitter module, modulation module, receiver module, demodulation module and channel access module；Wherein
The transmitter module is connected with modulation module, be transmitted on the channel specified for realizing being modulated the signal to；
The transmitter module includes：The signal transmitting transducer that is sequentially connected with, power match amplifier；
The modulation module includes：The D/A converter that is sequentially connected with, digital modulator；And
The receiver module is connected with demodulation module, specifies the signal on channel to be demodulated for realizing receiving；
The receiver module includes：The signal receive transducer that is sequentially connected with, Signal Matching amplifier；
The demodulation module includes：The A/D converter being sequentially connected with and digital demodulator；And
The channel access module is connected with digital modulator, digital demodulator respectively, for realizing that signal sends and receives letter
The selection in road；
The data cell includes：Traffic type information processor, communication service data memory；Wherein
Traffic type information processor is used for the traffic type information for producing institute's transmission data.
8. multi-service data communication system according to claim 7, it is characterised in that
The decision node includes：Information transmission unit, interchannel noise detector unit, order buffer unit and channel data are processed
Unit；Wherein
Described information transmission unit, for the communication realized and between each user node；
The interchannel noise detector unit is used to realize to underwater acoustic channel environmental noise power value EiAcquisition, and including：Sequentially connect
Energy acceptance transducer, narrow band filter, square-law detector, integrator and the A/D samplers for connecing；
The order buffer unit, for realizing each traffic type information is sequentially sorted by pre-defined algorithm, and generates corresponding
Types value；
The channel data processing unit includes：Detected value setup module, first comparator, channel management module, second are compared
Device and channel assignment module；Wherein
The detected value setup module is used to arrange one with channel circumstance noise power value EiThe detected value ε for comparing；
Two inputs of first comparator are connected with A/D samplers and detected value setup module respectively, for carrying out each channel
Environmental noise power value EiWith the comparison of detected value ε；
The channel manager is connected with the output end of first comparator, and the usable spectrum resource for obtaining low interference under water is entered
Row is divided, and generates a threshold value；
Two inputs of second comparator are connected with the output end of order buffer unit, channel manager respectively, are used for
The size that all kinds of offsets are carried out with threshold value is adjudicated；And
The channel assignment module is connected with the output end of the second comparator, for distributing transmission channel to user node.
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107147605A (en) * | 2017-04-28 | 2017-09-08 | 深圳芯珑电子技术有限公司 | The OFDM means of communication and system that a kind of wide and narrow strip is combined |
| CN110536454A (en) * | 2019-09-17 | 2019-12-03 | 深圳市智慧海洋科技有限公司 | Network slot division methods and device |
| CN114040026A (en) * | 2021-11-01 | 2022-02-11 | 万申科技股份有限公司 | Information security encryption transmission method for industrial Internet of things |
| CN114978357A (en) * | 2022-05-23 | 2022-08-30 | 青岛海讯数字科技有限公司 | Instant streaming and interactive processing method of underwater sound data and computing equipment thereof |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004343559A (en) * | 2003-05-16 | 2004-12-02 | Ip Flex Kk | Data processor having reconfigurable integrated circuit unit |
| CN102404099A (en) * | 2011-11-25 | 2012-04-04 | 华南理工大学 | Underwater multi-user voice communication method and device capable of distributing frequency spectrum dynamically |
| CN105451351A (en) * | 2015-12-03 | 2016-03-30 | 天津大学 | Centralized spectrum allocation method in underwater sensor network |
| CN105898760A (en) * | 2016-06-03 | 2016-08-24 | 天津大学 | Biological-friendly cognitive underwater acoustic network communication method by efficiently utilizing spectrum resources |
-
2016
- 2016-11-25 CN CN201611054473.5A patent/CN106533592B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004343559A (en) * | 2003-05-16 | 2004-12-02 | Ip Flex Kk | Data processor having reconfigurable integrated circuit unit |
| CN102404099A (en) * | 2011-11-25 | 2012-04-04 | 华南理工大学 | Underwater multi-user voice communication method and device capable of distributing frequency spectrum dynamically |
| CN105451351A (en) * | 2015-12-03 | 2016-03-30 | 天津大学 | Centralized spectrum allocation method in underwater sensor network |
| CN105898760A (en) * | 2016-06-03 | 2016-08-24 | 天津大学 | Biological-friendly cognitive underwater acoustic network communication method by efficiently utilizing spectrum resources |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107147605A (en) * | 2017-04-28 | 2017-09-08 | 深圳芯珑电子技术有限公司 | The OFDM means of communication and system that a kind of wide and narrow strip is combined |
| CN110536454A (en) * | 2019-09-17 | 2019-12-03 | 深圳市智慧海洋科技有限公司 | Network slot division methods and device |
| CN114040026A (en) * | 2021-11-01 | 2022-02-11 | 万申科技股份有限公司 | Information security encryption transmission method for industrial Internet of things |
| CN114040026B (en) * | 2021-11-01 | 2023-10-20 | 万申科技股份有限公司 | Industrial Internet of things information security encryption transmission method |
| CN114978357A (en) * | 2022-05-23 | 2022-08-30 | 青岛海讯数字科技有限公司 | Instant streaming and interactive processing method of underwater sound data and computing equipment thereof |
| CN114978357B (en) * | 2022-05-23 | 2023-08-22 | 青岛海讯数字科技有限公司 | Instant circulation and interaction processing method for underwater sound data and computing equipment thereof |
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