CN202035143U - Ultra short wave wireless self-networking module - Google Patents

Ultra short wave wireless self-networking module Download PDF

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Publication number
CN202035143U
CN202035143U CN2011201109925U CN201120110992U CN202035143U CN 202035143 U CN202035143 U CN 202035143U CN 2011201109925 U CN2011201109925 U CN 2011201109925U CN 201120110992 U CN201120110992 U CN 201120110992U CN 202035143 U CN202035143 U CN 202035143U
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China
Prior art keywords
module
radio station
network
data
wireless self
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CN2011201109925U
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Chinese (zh)
Inventor
李兴海
杨勇
张富琴
王陈春
赵育
黄思远
陈伟
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西安烽火电子科技有限责任公司
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Priority to CN2011201109925U priority Critical patent/CN202035143U/en
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Publication of CN202035143U publication Critical patent/CN202035143U/en

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Abstract

The utility model discloses an ultra short wave wireless self-networking module which comprises a common point-to-point data transmitting module and a network data transmitting module, wherein the common point-to-point data transmitting module is used for completing the point-to-point data processing, and the network data transmitting module comprises an MAC (Media Access Control) layer accessing module, a time aligning module and a network layer data processing module. The wireless self-networking module applied in an ultra short wave frequency-hopping radio station mainly solves the problem of long distance communication of the ultra short wave radio station and coordinates the radio station in the network to realize the reasonable and high-efficiency application of information channel resources. The ultra short wave wireless self-networking module is connected with a physical layer of the ultra short wave frequency-hopping radio station in series, so that the long distance transmitting of the ultra short wave radio station is realized, and the information can be forwarded by a middle radio station. With the adoption of the ultra short wave wireless self-networking module, the information transmission by using the point-to-point mode and the network broadcast mode between the ultra short wave radio stations can be achieved.

Description

A kind of ultrashort wave wireless self-networking module
Technical field
The utility model relates to wireless communication technology field, and especially a kind of ultrashort wave wireless self-networking module is a kind of wireless self-networking system that is applicable to ultrashort wave radio station.
Background technology
At present, mainly by generally calling the broadcast communication that realizes short distance speech and transfer of data, because the characteristics of radio channels of ultrashort wave radio set, the ultrashort wave radio set transmission range is near for ultrashort wave radio set, can not carry out information interaction with radio station at a distance.Calling out with communicating by letter between each ultrashort wave radio set all is immediately, in a big scope, the other side's calling can be received in not all radio station, just there will be two kinds of situations in the calling in these radio station like this, two above radio station the phase mutual interference will occur when calling out simultaneously, are exactly the information that the radio station that exceeds communication distance can not receive other station broadcast in addition.
The utility model content
Technical problem to be solved in the utility model is at the deficiencies in the prior art, and a kind of ultrashort wave wireless self-networking module is provided.Adopt following technical scheme:
A kind of ultrashort wave wireless self-networking module, comprise common Point-to-Point Data Transmission module and network data transmission module, described common Point-to-Point Data Transmission module is used to finish Point-to-Point Data to be handled, and described network data transmission module comprises MAC layer access module, time unifying module and network layer data processing module.
Described ultrashort wave wireless self-networking module, described network layer data processing module comprises protocol process module and data processing module, the general data that be used for described data processing module processing terminal interface and MAC layer access module transmit, described protocol process module is used for the routing iinformation of supervising the network, and the temporal information in the routing iinformation is passed to described time unifying module.
Described ultrashort wave wireless self-networking module, described MAC layer access module comprise CSMA and two modules of TDMA.
Described ultrashort wave wireless self-networking module, also comprise terminal interface and physical layer interface, described terminal interface be used to finish ultrashort wave wireless self-networking module and terminal information mutual, described physical layer interface is used to finish the information interaction of ultrashort wave wireless self-networking module and physical layer.
Be applied to the wireless self-networking module of ultrashort wave frequency hopping station, mainly solve the reasonable efficient application channel resource in radio station in the telecommunication of ultrashort wave radio set and the coordination network.Ultrashort wave wireless self-networking module is concatenated on the physical layer of ultrashort wave frequency hopping station, realizes the long-distance transmissions of ultrashort wave radio set, and information can be transmitted in the past by middle radio station.The information of finishing is point-to-point between ultrashort wave radio set, the Web broadcast mode sends.
A, anti-interference.Ultrashort wave wireless self-networking module is installed on the ultrashort wave frequency hopping station, and this module is avoided the interference that uncontrolled transmission at random causes between the radio station by data transmit-receive between a plurality of radio station of MAC layer access control.
B, raising data transmission credibility.The radio station sends data under ultrashort wave wireless self-networking module, there is the affirmation information notification sending station information that receives the radio station transmission to receive, do not receive information if receive the radio station, sending station is retransmitted this information, guarantees the success rate that the radio station transmits and receive data in the network.
C, data relaying.As shown in Figure 1, radio station 1 sends data message to radio station 6, because the ultrashort wave radio set communication distance is limited, can not directly communicate by letter with radio station 6 in radio station 1, a link can be selected according to link condition in radio station 1, shown in dotted line among the figure one, by the data message of middle radio station 4,7 transposer stations 1 to the radio station 6.
D, link are reliable, and shown in figure one, radio station 1 sends data message to radio station 6, has multilink to select, and when a link down, can select other link, data information transfer to radio station 6.
E, prolong communication distance, by the relaying in middle radio station, can make originally can not direct communication the radio station, it is mutual to carry out data message, is equivalent to prolong the communication distance in radio station like this.
F, " no " center " TDMA networking; this ultrashort wave wireless self-networking module is supported asynchronous networking; under the TDMA networking mode; require that all ultrashort wave frequency hopping stations have identical time reference in the network; this module was selected the time reference radio station of a radio station as the whole network automatically after networking was finished; in the network all radio station all with this with reference to time in radio station time reference as oneself, if net or shutdown are moved back in this time reference radio station, a radio station will be selected once more as the time reference radio station in the network in radio station in the network, guarantees to have a time reference radio station in the network always.This is different from the general central TDM A networking that has because, in case the TDMA time in the network referring to station failure, then this TDMA network is just in paralyzed state.
Description of drawings
Fig. 1 is: 8 ultrashort wave frequency hopping station network service structural representations that use ultrashort wave wireless self-networking module; Double-head arrow is represented can intercom mutually between two radio station, does not have the radio station of arrow link to represent both directly intercommunications.Dotted line represent radio station 1 to the radio station 6 communication link.
Fig. 2 is: ultrashort wave wireless self-networking module principle block diagram.
Embodiment
Below in conjunction with specific embodiment, the utility model is elaborated.
Embodiment 1
Network environment as shown in Figure 1,8 ultrashort wave frequency hopping stations that use ultrashort wave wireless self-networking module are arranged, all radio station are with TDMA mode access network, the networking module is provided with IP address unique in the network for each radio station, start back networking module controls radio station sends routing iinformation and the temporal information that the networking module produces, up to mutual one time of the routing iinformation in all radio station and temporal information, the networking module is according to routing iinformation and the temporal information received, the time reference radio station of the radio station of IP address minimum in the network as network selected in the foundation of network route simultaneously, set up to this network and finish.
When the radio station has data to send, the radio station is given the MANET module data, this networking module is calculated sending time slots, because the whole network time reference is unified by mixed-media network modules mixed-media, when a radio station when own time slot sends data, other radio station is in accepting state at this time slot, guarantees to have in the network radio station of information transmission under the networking module controls, can be by other station interference.Radio station 1 has data to send, and the destination address of these data is radio station 6, and the networking module in radio station 1 is at first searched the path that arrives destination address in the protocol process module of oneself, if destination address one is jumped can reach, and then 1 sending time slots directly sends data in the radio station; If it is unreachable that destination address one is jumped, then 1 sending time slots sends data to next hop address in the radio station, it is a linking up station on the path, data are by the ultrashort wave wireless self-networking resume module in this radio station, this module controls linking up station is transmitted data, and radio station 4 is exactly the next hop address that radio station 1 arrives radio station 6 among the figure one.Carry the destination address of these data and the path that data will be passed through in the data that radio station 1 sends, after this information is received in radio station 4, data are submitted to ultrashort wave wireless self-networking module, this module finds that destination address is not oneself, just forward this information to and reach next hop address, promptly the radio station 7.Radio station 7 forwards this information to and reaches radio station 6, after the networking module that is in each radio station on the data transfer path is received data, ultrashort wave wireless self-networking module all will generate confirmation, and send, and represents that this data message receives, finally finishes the transmission of data message.In data transmission procedure, if the path failure of before having found out, then networking module change data transfer path, and other mixed-media network modules mixed-media that sends in the routing update information informing network is changed the path that arrives the purpose radio station.This is the process that radio station 1 sends data to radio station 6.If in the network is not that this data message is received in the radio station that is on the path, the ultrashort wave in this radio station is wireless, and the automatic network module does not process.The process of Point-to-Point Data Transmission that Here it is under ultrashort wave networking module controls.
Radio station 1 has data to broadcast, mixed-media network modules mixed-media becomes the broadcast data newspaper to data encapsulation, after broadcast message is received in radio station in this radio station one jumping scope, the networking module in these radio station will be transmitted to their interior radio station of a jumping to this information, by that analogy, this information is received in the radio station of all in network.Be radio station 1 broadcast message, after receive in radio station 2,3,4, can transmit this information at the time slot of oneself, receive in radio station 5,7,8 then, transmits this information at the time slot of oneself then, and receive in last radio station 6, broadcast this information at the time slot of oneself, this information is received in all radio station in this network.
Ultrashort wave wireless self-networking module data transmission procedure under the TDMA access module has only been described above.Under the CSMA pattern, identical under data transmission procedure and the TDMA pattern, radio station access way difference just.
Embodiment 2
A kind of wireless self-networking module that is applicable to ultrashort wave frequency hopping station, this wireless self-networking module is installed on the ultrashort wave frequency hopping station, and satisfies and set up point-to-point between the Duo Tai radio station and network control module broadcast communication.As shown in Figure 2, ultrashort wave wireless self-networking module comprises common Point-to-Point Data Transmission module and network data transmission module.
Common Point-to-Point Data Transmission module is used to finish Point-to-Point Data to be handled, and it does not send data to the radio station and handles, and has data just to send, and whether intended receiver does not receive data regardless of the other side yet, and this module is for the original radio station of compatibility transfer of data.
The network data transmission module comprises MAC layer access module, time unifying module and network layer data processing module.The network data transmission module is received the terminal interface data, and by sending to MAC layer access module after the network data processing resume module, this module is given physical layer interface data distributing.
The network layer data processing module comprises protocol process module and data processing module.Data processing module is used for processing terminal interface and the next general data of MAC layer.Protocol process module is used for the routing iinformation of supervising the network, and the temporal information in the routing iinformation is passed to the time unifying module.
The time unifying module is used to finish time synchronized between different frequency hopping radio sets, makes between the radio station time point consistent with the time interval.MAC layer access module comprises CSMA and two modules of TDMA, selects different access waies according to different networking demands.MAC layer access module is responsible for the air interface access way of ultrashort wave frequency hopping station, and two kinds of access way: CSMA (carrier wave detection) and TDMA (time division multiple access) are arranged.Different access waies are applied to different network environments, can select access way according to concrete suitable environment, improve channel efficiency.
The time unifying module is finished the asynchronous networking time unifying of ultrashort wave frequency hopping station, guarantees that all contacts of the whole network have identical time reference, and this module is to realize that the TDMA access is necessary.
Terminal interface be used to finish ultrashort wave wireless self-networking module and terminal information mutual.
Physical layer interface is used to finish the information interaction of ultrashort wave wireless self-networking module and physical layer.
Ultrashort wave wireless self-networking module is between terminal (PC, PDA etc. provide the equipment of data) and the physical layer, process of transmitting: when terminal has data to send, give ultrashort wave wireless self-networking module data passes, this module data processing after, be handed down to physical layer; Receiving course: physical layer receives data, submits to ultrashort wave wireless self-networking module, this module data processing after, submit to terminal and show.Ultrashort wave wireless self-networking module comprises terminal interface, network data transmission module, common Point-to-Point Data Transmission module and physical layer interface.Below describe in detail, after terminal interface is received upper layer data, (data type comprises general data and networking data according to data type, general data is through common Point-to-Point Data Transmission resume module, the networking data are by the network data transmission resume module, the networking data comprise broadcast data, route data, multicast packet) give network data transmission module or common Point-to-Point Data Transmission module transfer of data, final data is handed down to physical layer by physical layer interface.Receiving course: physical layer interface is received the data that physical layer is submitted to, according to data type, gives network data transmission module or common Point-to-Point Data Transmission module transfer of data, and data are submitted to terminal by terminal interface after these two resume module.
MAC layer access module received the physical layer interface data, data are submitted to the network layer data processing module, (data type comprises data message and control information to this module according to different data types, data message is handled by data processing module, control information is handled by protocol process module) call different resume module.
Should be understood that, for those of ordinary skills, can be improved according to the above description or conversion, and all these improvement and conversion all should belong to the protection range of the utility model claims.

Claims (4)

1. ultrashort wave wireless self-networking module, it is characterized in that, comprise common Point-to-Point Data Transmission module and network data transmission module, described common Point-to-Point Data Transmission module is used to finish Point-to-Point Data to be handled, and described network data transmission module comprises MAC layer access module, time unifying module and network layer data processing module.
2. ultrashort wave wireless self-networking module according to claim 1, it is characterized in that, described network layer data processing module comprises protocol process module and data processing module, the general data that be used for described data processing module processing terminal interface and MAC layer access module transmit, described protocol process module is used for the routing iinformation of supervising the network, and the temporal information in the routing iinformation is passed to described time unifying module.
3. ultrashort wave wireless self-networking module according to claim 1 is characterized in that, described MAC layer access module comprises CSMA and two modules of TDMA.
4. ultrashort wave wireless self-networking module according to claim 1, it is characterized in that, also comprise terminal interface and physical layer interface, described terminal interface be used to finish ultrashort wave wireless self-networking module and terminal information mutual, described physical layer interface is used to finish the information interaction of ultrashort wave wireless self-networking module and physical layer.
CN2011201109925U 2011-04-15 2011-04-15 Ultra short wave wireless self-networking module CN202035143U (en)

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105792251A (en) * 2016-01-21 2016-07-20 航天恒星科技有限公司 Communication method and system based on dynamic space-based composite network
CN106162525A (en) * 2016-06-28 2016-11-23 施玥 Shortwave MANET chain-circuit system
CN104617983B (en) * 2014-12-30 2017-02-22 中国电子科技集团公司第五十研究所 Ultrashort wave network system with sub-main station
CN108882218A (en) * 2018-06-04 2018-11-23 张思哲 power emergency communication system
CN109275171A (en) * 2018-10-17 2019-01-25 珠海云洲智能科技有限公司 Wireless self-networking communication means and device

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104617983B (en) * 2014-12-30 2017-02-22 中国电子科技集团公司第五十研究所 Ultrashort wave network system with sub-main station
CN105792251A (en) * 2016-01-21 2016-07-20 航天恒星科技有限公司 Communication method and system based on dynamic space-based composite network
CN106162525A (en) * 2016-06-28 2016-11-23 施玥 Shortwave MANET chain-circuit system
CN108882218A (en) * 2018-06-04 2018-11-23 张思哲 power emergency communication system
CN109275171A (en) * 2018-10-17 2019-01-25 珠海云洲智能科技有限公司 Wireless self-networking communication means and device

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Granted publication date: 20111109

Termination date: 20140415