CN103369735A - Multi-system wireless base station and method for switching operating modes of same - Google Patents
Multi-system wireless base station and method for switching operating modes of same Download PDFInfo
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- CN103369735A CN103369735A CN2013102844946A CN201310284494A CN103369735A CN 103369735 A CN103369735 A CN 103369735A CN 2013102844946 A CN2013102844946 A CN 2013102844946A CN 201310284494 A CN201310284494 A CN 201310284494A CN 103369735 A CN103369735 A CN 103369735A
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Abstract
A multi-system wireless base station comprises at least one high-bandwidth communication unit, at least one low-bandwidth communication unit, a monitoring unit, a switching unit, a local power supply and an external power supply; the monitoring unit monitors the external power supply, and sends a monitored external power supply signal to the switching unit; and when the external power supply signal is a power-off signal, the switching unit cuts off the connection between the high-bandwidth communication unit and the local power supply, and connects the local power supply with the low-bandwidth communication unit. Consequently, the robustness of the wireless communication system is enhanced; and in addition, the invention also provides a method for switching the operating modes of the base station. Compared with the prior art, the multi-system wireless base station and the method for switching operating modes of the same which are provided by the invention are provided with the high-bandwidth wireless communication unit and the low-bandwidth wireless communication unit, utilize the monitoring unit to monitor the external power supply signal, and switch between the high-bandwidth communication unit and the low-bandwidth communication unit, and thereby the robustness of the wireless communication system is enhanced.
Description
The application require on December 14th, 2012 submit that Patent Office of the People's Republic of China, application number are 201210541051.6 to, denomination of invention is the priority of the Chinese patent application of " a kind of multi-modulation scheme wireless base station ", its full content is by reference in conjunction with in this application.
Technical field
The present invention relates to the wireless base station technology, especially relate to a kind of multi-modulation scheme wireless base station.
Background technology
Undershaft communication system is centered by the control room, ore deposit, between each production link of control room and down-hole, the relevant auxiliary link, each link of down-hole each other or the communication of each link inside; It is the important component part of downhole production, survival system.The major function of undershaft communication system comprises: to the transportation dispatching of production scheduling, locomotive, the control of belt-conveying; Instantaneity to safety inspections such as mine gas, ventilations; The communication contact of workplace and down-hole personal communications service thereof and seeking underground paging system; When having an accident, organize emergency escape, speedily carry out rescue work, the emergency rescue system of the disaster relief and safety first-aid etc.
The mine emergency rescue system is the important step of undershaft communication system, and it is in order to guarantee when mine disaster or other special circumstances occur, and can realize emergency escape, speedily carries out rescue work, the accurate enforcement of the behavior such as the disaster relief.But there is the function singleness problem in existing underground wireless communication system, the communication need that carries out emergency relief when the wireless telecommunications demand when it often can not be taken into account the down-hole and normally produces and down-hole have an accident.
For example, in the existing undershaft communication system, wireless communication mode has several: Wifi network, radio sensing network, 3G network etc.
The base station of Wifi network has high bandwidth, can realize video, speech communication, but its power consumption is high, easily loses the electric energy support, causes rescue time short.
Low-power consumption can be accomplished in the base station of radio sensing network, the powered battery long-time running, but then can't provide the functions such as video, speech communication as wireless base station used in everyday, can't satisfy the demand of normal production status.
The base station power consumption of the wireless private networks such as 3G is large, also is difficult for as the rescue communication system.
Therefore, how to provide a kind of demand of communication can guarantee that the down-hole normally produces the time, the communication need of emergency relief becomes the technical problem that needs to be resolved hurrily when again can the assurance accident occuring.
Summary of the invention
The invention provides a kind of multi-modulation scheme wireless base station, this wireless base station can provide the wireless standard of multiple different qualities, has improved the robustness of wireless telecommunication system, is particularly suitable for undershaft communication system and uses.
Multi-modulation scheme provided by the invention wireless base station comprises: at least one high bandwidth communication unit, at least one low bandwidth communication unit, monitoring means, switch unit, local power supply and external power source; Wherein, described monitoring means is monitored external power source, and the external power source signal of monitoring is sent to described switch unit; When described external power source signal was power-off signal, described switch unit cut off being connected of described high bandwidth communication unit and described local power supply, connected being connected of described local power supply and described low bandwidth communication unit.
Preferably, comprising: activate the unit, be used for receiving the activation signal of described low bandwidth communication unit, and send activation instruction to described switch unit, described switch unit is connected being connected of described local power supply and described high bandwidth communication unit according to this activation instruction.
Preferably, comprising: power switch unit, be connected between described high bandwidth communication unit and the described local power supply, control is powered or is stopped power supply the high bandwidth communication unit.
Preferably, described high bandwidth communication unit is: Wifi communication unit and/or 3G communication unit.
Preferably, described low bandwidth communication unit is: the radio sensing network communication unit is used for the detection information that receiving sensor sends.
Preferably, described radio sensing network communication unit adopts the IEEE802.15.4 agreement.
Preferably, described local power supply is battery.
Preferably, described low bandwidth communication unit comprises Mesh networking subelement, and this Mesh networking subelement is used for the wireless signal that the low bandwidth communication unit of other base station that route receives sends, and makes each base station can set up the Mesh network.
Preferably, described high bandwidth communication unit comprises Mesh networking subelement, and this Mesh networking subelement is used for the wireless signal that send that the high bandwidth communication unit of other base station that route receives is sent out, and makes each base station can set up the Mesh network.
Preferably, comprising: the wire communication interface unit is used for receiving the information that transmits by cable network.
Preferably, comprise: converting unit 9, wire communication the data low bandwidth communication unit transmission means is converted to described high bandwidth communication unit transmission means, or the described high bandwidth communication unit of wire communication the data transmission means is converted to described low bandwidth communication unit transmission means, and low bandwidth communication unit the transmission of data and high bandwidth communication unit the transmission of data are changed mutually.
The present invention also provides a kind of Working mode switching method of multi-standard base station, comprising: the external power source normal power supply, and the mode of operation of high bandwidth communication is adopted in this base station, perhaps adopts simultaneously mode of operation of high bandwidth communication and low bandwidth communication; Monitor the external power source of described base station, determine described external power source and whether cut off the power supply; If, then cut off being connected of high bandwidth communication unit and external power source, switching to described local power supply is described low bandwidth communication unit power supply, making described base station is the mode of operation of low bandwidth communication; If not, then keep the mode of operation of high bandwidth communication.
Preferably, further comprise: described low bandwidth communication unit sends activation instruction according to predefined event or user's request, and switching local power supply according to this activation instruction is the power supply of high bandwidth communication unit, and making this base station is the mode of operation of high bandwidth communication.
Preferably, when described high bandwidth communication unit has the mode of operation of Wifi communication and/or 3G communication mode of operation, activate wherein a kind of mode of operation.
Compared with prior art, the changing method of multi-modulation scheme provided by the invention wireless base station and this base station mode of operation, have two kinds of radio communication units of high bandwidth and low bandwidth, by the monitoring of monitoring means to outside power supply signal, between high bandwidth and low bandwidth communication unit, realize the mutual switching of this high bandwidth and low bandwidth mode of operation, and then can effectively strengthen the robustness of wireless telecommunication system.In addition, have complementary advantages by high bandwidth communication and low bandwidth communication, make it can be used under normal circumstances making up mining underlying network, and in case of emergency, make up the mining wireless underlying network of emergency management and rescue.
Description of drawings
In order to be illustrated more clearly in the embodiment of the invention or technical scheme of the prior art, the below will do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art, apparently, the accompanying drawing that the following describes only is some embodiment that put down in writing among the present invention, for those of ordinary skills, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is the functional unit block diagram of multi-modulation scheme provided by the invention wireless base station;
Fig. 2 is the flow chart of multi-modulation scheme provided by the invention wireless base station Working mode switching method.
Embodiment
The present invention is based in the single situation of underground wireless communication systemic-function, when having an accident, the wireless telecommunications demand the when down-hole that causes normally produces and down-hole carry out the problem that the communication need of emergency relief can not be taken into account, and provide a kind of multi-modulation scheme wireless base station, wireless website by this multi-modulation scheme wireless base station formation, effectively strengthen robustness and the robustness of wireless telecommunication system, solved the single problem of wireless communication function under the existing well.
Below in conjunction with the accompanying drawing in the embodiment of the invention, the technical scheme in the embodiment of the invention is clearly and completely described, obviously, described embodiment only is the present invention's part embodiment, rather than whole embodiment.Based on the embodiment among the present invention, those of ordinary skills belong to the scope of protection of the invention not making the every other embodiment that obtains under the creative work prerequisite.
The embodiment of the invention provides a kind of multi-modulation scheme wireless base station, and its functional unit block diagram is please referring to Fig. 1.
As shown in Figure 1, this multi-modulation scheme wireless base station comprises: at least one high bandwidth communication unit 1, at least one low bandwidth communication unit 2, monitoring means 3, switch unit 4, local power supply 5 and external power source 6; Monitoring means 3 is used for monitoring external power source 6 signals, and the external signal of monitoring is sent to described switch unit 4; When described external power source 6 signals were power-off signal, described switch unit 4 cut off being connected of described high bandwidth communication unit 1 and described local power supply 5, connected being connected of described local power supply 5 and described low bandwidth communication unit 2.
Particularly, described high bandwidth communication unit 1 specifically can adopt a kind of in Wifi network formats or the 3G network standard or two kinds.Described low bandwidth communication unit 2 specifically can adopt the radio sensing network standard.
When the high bandwidth communication unit 1 in the base station adopts the Wifi network formats, because the wifi network possesses the functions such as multi-core, high bandwidth, multiband, high power, long-distance transmissions, can satisfy different practical uses and business demand.For example: in undershaft communication system, the down-hole emergency communication system cooperates with the WiFi network, can realize conveniently, wireless dispatching flexibly, and commander provides reliable guarantee for spot dispatch.In addition, because the wifi network has the function that realizes video and speech communication, so when adopting the wifi base station, Video Monitoring Terminal in the undershaft communication system can link with speech ciphering equipment, make the personnel in the scene of the accident can be by the speech ciphering equipment of Video Monitoring Terminal interlock, carry out synchronous voice and video conversation with the dispatcher, thereby be convenient to understand the down-hole situation, launch targetedly rescue work.
In addition, when the high bandwidth communication unit 1 in the base station adopts described 3G network standard, because 3G network has the media forms such as the image of processing, music, video flowing, much information services such as comprising web page browsing, videoconference, ecommerce is provided, accordingly, this 3G network also can be satisfied the demand of underground wireless communication system, the spy is not, is used for the downhole emergency rescuing system.
But, above-mentioned two kinds of communication standards, when external power supply cuts off the power supply, because the network formats power consumptions such as the Wifi that high bandwidth communication unit 1 adopts or 3G are large, can cause local power supply 5 power-on times to reduce, be unfavorable in the rescue work and downhole communication, therefore, the present invention is after monitoring external power source 6 outages, and cut-out local power supply 5 is connected with high bandwidth communication unit 1, be convenient to prolong the time of downhole communication, guarantee the carrying out of downhole rescuing work.
Occur in the unusual situation based on power supply 6 power supply signals externally, the present invention also arranges a kind of low bandwidth communication unit 2 with low-power consumption in the base station, and this low bandwidth communication unit 2 adopts radio sensing network standards.Radio sensing network (Wireless Sensor Network, WSN) be the wireless network that is consisted of in the mode of self-organizing and multi-hop by a large amount of static or mobile transducers, cover the information of perceived object in the geographic area with collaboratively perception, collection, processing and transmission network, and finally these information are sent to the network ownership, have the characteristics of low-power consumption, low cost, distributed and self-organizing.
When monitoring means 3 monitors external power source 6 powerdown signals, switch unit 4 can switch under the pattern that local power supply 5 is 2 power supplies of low bandwidth communication unit, because low bandwidth communication unit 2 has the characteristics such as low-power consumption, therefore, the time of prolongation and downhole communication, guaranteed carrying out smoothly of rescue work.
Particularly, low bandwidth communication unit 2 can realize monitoring personnel positions by adopting low-consumption wireless sensing network unit, and monitoring personnel vital signs; Described radio sensing network unit is specially the IEEE802.15.4 unit.The specific implementation chip can adopt ChipconCC2530 unit (2.4GHz), Silicon Labs Si1000 unit (470MHz).The low bandwidth communication network that described low bandwidth communication unit 2 consists of can receiving sensor information, realizes environmental monitoring.
The present invention is in order better to realize downhole communication, under the pattern that at local power supply 5 is 2 power supplies of low bandwidth communication unit, according to requiring assistance or other demands are more comprehensively understood the down-hole situation, can also be 1 power supply of high bandwidth communication unit by activating unit 7 activation local power supplies 5, the base station is operated under the high bandwidth operation pattern.This activates unit 7, is used for receiving the activation signal of described low bandwidth communication unit 2, and sends activation instruction to described switch unit 4, and described switch unit 4 is connected being connected of described local power supply 5 and described high bandwidth communication unit 1 according to this activation instruction.
Particularly, after the power supply of high bandwidth communication unit 1 thoroughly cuts off, by the radio sensing network subelement in the low bandwidth communication unit 2, the signal that monitors according to transducer, can say the word according to different demands and to activate high bandwidth communication unit 1, two kinds of standards of the Wifi internet and 3G network in the high bandwidth communication unit 1 can exist simultaneously, can only be one also, in the situation that two kinds of standards in the described high bandwidth communication unit 1 all exist, the activation command that radio sensing network sends only activates wherein a kind of getting final product.
In addition, described switch unit 4 can be by the mains switch that arranges between high bandwidth communication unit 1 and local power supply 5, conducting and cut-off between control local power supply 5 and the high bandwidth communication unit 1.
In order further to strengthen the robustness of communication system, described high broadband communications unit 1 and low bandwidth communication unit 2, comprise: Mesh networking subelement, this Mesh networking subelement is used for the high bandwidth communication unit 1 of other base station that route receives and the wireless signal that low bandwidth communication unit 2 sends, and makes each base station can set up the Mesh network.
By above-mentioned Mesh networking subelement, even communication cable suffers damage, still can utilize the Mesh networking to carry out communication between each communication base station of down-hole.
Described Mesh networking is in traditional WLAN (wireless local area network) (WLAN), each client is all by one and access point (AP, AccessPoint) Radio Link that links to each other visits network, forms the basic network service unit (BSS, BasicServiceSet) of a part.The user must at first access a fixing access point (AP) if carry out mutual communication, and this network configuration is called as single-hop networks.And in wireless Mesh netword, any wireless device node can be simultaneously as AP and router, and each node in the network can the sending and receiving signal, and each node can carry out Direct Communication with one or more peer node.The advantage of this structure is: congested if nearest AP causes owing to flow is excessive, data can automatically re-route a less adjacent node of communication traffic and transmit so.The rest may be inferred, and packet can also continue to be routed to nearest with it next node and transmit according to the situation of network, until arrive the final destination.Such access mode is exactly the multi-hop access.Exactly because the multi-hop of Mesh network access property, thereby so that it does not rely on the performance of some single nodes, make the Mesh network more healthy and stronger than single-hop networks.Therefore, when the present invention adopts the multiple network standard to strengthen the robustness of wireless telecommunication system, under the low-bandwidth network standard, also provide a more reliably platform for the mine emergency relief.
In addition, wired communication interface 8 can also be reserved in this multi-modulation scheme wireless base station, and high bandwidth communication unit 1, low bandwidth communication unit 2 interconnect.Like this, when using this multi-modulation scheme wireless base station that existing downhole system is transformed, can directly utilize the original Wireline in down-hole.By wire communication interface 8, can realize more monitor modes, sue and labour such as the higher compressed air self-help of realization requirement, water supply etc.; In the destroyed situation of wire communication network, wireless portion can enter emergent control model.
This wire communication interface 8 can also be with wire communication the data low bandwidth communication unit 2 transmission meanss, be converted to described high bandwidth communication unit 1 transmission means by converting unit 9, or described high bandwidth communication unit 1 transmission means of wire communication the data is converted to described low bandwidth communication unit 2 transmission meanss, and low bandwidth communication unit 2 the transmission of datas and high bandwidth communication unit 1 the transmission of data are changed mutually.Realize the mutual conversion of two kinds of standards, make the functional diversities of base station.
Based on technique scheme, the present invention can adopt the mining underlying network under normal circumstances of this high broadband communications cell formation, adopts the mining wireless underlying network of low broadband communications cell formation emergency management and rescue.And, utilize external power supply and local power supply 5(built-in power), under the external power supply powering-off state of base station, network system can the normal use by local power supply 5.
In order to achieve the above object, the present invention also provides a kind of Working mode switching method of multi-standard base station, comprising:
Step S201: external power source 6 normal power supplies, the mode of operation of high bandwidth communication is adopted in this base station;
Step S202: monitor the external power source 6 of described base station, determine described external power source 6 and whether cut off the power supply; If, execution in step S203, that is, cut-out high bandwidth communication unit 1 is connected with external power source 6, switches to described local power supply 5 and is described low bandwidth communication unit 2 power supplies, and making described base station is the mode of operation of low bandwidth communication; If not, execution in step S201 namely, keeps the mode of operation of high bandwidth communication.
Externally after power supply 6 outages, adopt in the situation of low bandwidth communication mode of operation, further comprise: step S204 can according to predefined event or user's request, send activation instruction, activate high bandwidth communication mode of operation, realize the mutual conversion between two kinds of mode of operations.
The specific implementation principle of the method is identical with the principle of above-mentioned multi-standard base station, therefore, is not giving unnecessary details.
To sum up, the changing method of multi-modulation scheme provided by the invention wireless base station and this base station mode of operation, have two kinds of radio communication units of high bandwidth and low bandwidth, monitoring by 3 pairs of external power source 6 signals of monitoring means, between high bandwidth and low bandwidth communication unit 2, realize the mutual switching of this high bandwidth and low bandwidth mode of operation, and then can effectively strengthen the robustness of wireless telecommunication system.In addition, by the mutual conversion between high bandwidth communication mode and the low bandwidth communication mode, the function that two kinds of patterns are had complementary advantages is brought into play in realization under varying environment, make it can be used under normal circumstances making up mining underlying network, and in case of emergency, make up the mining wireless underlying network of emergency management and rescue.
Above changing method to a kind of multi-modulation scheme wireless base station provided by the present invention and this base station mode of operation is described in detail, used specific case herein principle of the present invention and execution mode are set forth, the explanation of above embodiment just is used for helping to understand core concept of the present invention; Simultaneously, for one of ordinary skill in the art, according to thought of the present invention, all will change in specific embodiments and applications.In sum, this description should not be construed as limitation of the present invention.
Claims (14)
1. a multi-modulation scheme wireless base station is characterized in that, comprising: at least one high bandwidth communication unit, at least one low bandwidth communication unit, monitoring means, switch unit, local power supply and external power source; Wherein, described monitoring means is monitored external power source, and the external power source signal of monitoring is sent to described switch unit; When described external power source signal was power-off signal, described switch unit cut off being connected of described high bandwidth communication unit and described local power supply, connected being connected of described local power supply and described low bandwidth communication unit.
2. multi-modulation scheme according to claim 1 wireless base station, it is characterized in that, comprise: activate the unit, be used for receiving the activation signal of described low bandwidth communication unit, and sending activation instruction to described switch unit, described switch unit is connected being connected of described local power supply and described high bandwidth communication unit according to this activation instruction.
3. multi-modulation scheme according to claim 1 and 2 wireless base station is characterized in that, comprising: power switch unit is connected between described high bandwidth communication unit and the described local power supply conducting or cut-off between control high bandwidth communication unit and the local power supply.
4. multi-modulation scheme according to claim 1 wireless base station is characterized in that, described high bandwidth communication unit is: Wifi communication unit and/or 3G communication unit.
5. multi-modulation scheme according to claim 1 wireless base station is characterized in that, described low bandwidth communication unit is: the radio sensing network communication unit is used for the detection information that receiving sensor sends.
6. multi-modulation scheme according to claim 5 wireless base station is characterized in that, described radio sensing network communication unit adopts the IEEE802.15.4 agreement.
7. multi-modulation scheme according to claim 1 wireless base station is characterized in that, described local power supply is battery.
8. multi-modulation scheme according to claim 1 wireless base station, it is characterized in that, described low bandwidth communication unit comprises Mesh networking subelement, this Mesh networking subelement is used for the wireless signal that the low bandwidth communication unit of other base station that route receives sends, and makes each base station can set up the Mesh network.
9. multi-modulation scheme according to claim 1 wireless base station, it is characterized in that, described high bandwidth communication unit comprises Mesh networking subelement, this Mesh networking subelement is used for the wireless signal that send that the high bandwidth communication unit of other base station that route receives is sent out, and makes each base station can set up the Mesh network.
10. multi-modulation scheme according to claim 1 wireless base station is characterized in that, comprises wired communication interface unit, is used for receiving the information that transmits by cable network.
11. multi-modulation scheme according to claim 10 wireless base station, it is characterized in that, comprise: converting unit, wire communication the data low bandwidth communication unit transmission means is converted to described high bandwidth communication unit transmission means, or the described high bandwidth communication unit of wire communication the data transmission means is converted to described low bandwidth communication unit transmission means, and low bandwidth communication unit the transmission of data and high bandwidth communication unit the transmission of data are changed mutually.
12. the Working mode switching method of a multi-standard base station is characterized in that, may further comprise the steps:
The external power source normal power supply, the mode of operation of high bandwidth communication is adopted in this base station, perhaps adopts simultaneously mode of operation of high bandwidth communication and low bandwidth communication;
Monitor the external power source of described base station, determine described external power source and whether cut off the power supply; If, then cut off being connected of high bandwidth communication unit and external power source, switching to described local power supply is described low bandwidth communication unit power supply, making described base station is the mode of operation of low bandwidth communication; If not, then keep the mode of operation of high bandwidth communication.
13. method according to claim 12, it is characterized in that, further comprise: described low bandwidth communication unit is according to predefined event or user's request, send activation instruction, switching local power supply according to this activation instruction is the power supply of high bandwidth communication unit, and making this base station is the mode of operation of high bandwidth communication.
14. method according to claim 13 is characterized in that, when described high bandwidth communication unit has the mode of operation of Wifi communication and/or 3G communication mode of operation, activates wherein a kind of mode of operation.
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| CN201210541051.6 | 2012-12-14 | ||
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| CN2013102844946A CN103369735A (en) | 2012-12-14 | 2013-07-08 | Multi-system wireless base station and method for switching operating modes of same |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108419219A (en) * | 2018-04-03 | 2018-08-17 | 中国矿业大学 | The emergent disaster assistance communication system communicated using D2D |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108419219A (en) * | 2018-04-03 | 2018-08-17 | 中国矿业大学 | The emergent disaster assistance communication system communicated using D2D |
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Application publication date: 20131023 |