CN108112093A - A kind of lossless WIFI radiofrequency signal expansion systems - Google Patents
A kind of lossless WIFI radiofrequency signal expansion systems Download PDFInfo
- Publication number
- CN108112093A CN108112093A CN201711232039.6A CN201711232039A CN108112093A CN 108112093 A CN108112093 A CN 108112093A CN 201711232039 A CN201711232039 A CN 201711232039A CN 108112093 A CN108112093 A CN 108112093A
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- China
- Prior art keywords
- radio
- unit
- ethernet
- signal
- frequency terminals
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Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
- H04W88/08—Access point devices
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
- H04L12/46—Interconnection of networks
- H04L12/4604—LAN interconnection over a backbone network, e.g. Internet, Frame Relay
- H04L12/462—LAN interconnection over a bridge based backbone
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Mobile Radio Communication Systems (AREA)
- Small-Scale Networks (AREA)
Abstract
The present invention provides a kind of lossless WIFI radiofrequency signal expansion systems, which is characterized in that including center AP and is arranged in each radio-frequency terminals laid a little, center AP is connected by ethernet line with each radio-frequency terminals.The radio-frequency terminals of the present invention do not perform complex protocol, are only only completed WIFI signal to the bridge joint of ethernet signal, therefore its power consumption is lower, design simpler, required memory space also smaller.Simultaneously, the present invention is without PA (power amplification), LNA (low noise amplification), and since WIFI signal is after conversion becomes ethernet signal, Ethernet transmission 100m is no error code, therefore the transmission among will not cause to be lost to the WIFI signal of source, and coverage distance can arbitrary extension as needed.Center AP need not provide wireless tenability, and processing capacity can gently be upgraded by expanding the processing capacity of CPU.
Description
Technical field
The present invention relates to a kind of expansion system of WIFI radiofrequency signals, to expand the area coverage of AP.
Background technology
Under current technical status, if single AP will realize that large area covers, the technological means generally used is：First plus
Wireless WIFI signal, is then guided to the place that signal is needed to cover, as shown in Figure 1 by big radio-frequency card power by feeder system.
Feeder line in Fig. 1 is rational by the power of radio-frequency card by power divider or power coupler using coaxial cable
Be assigned to it is each lay a little, i.e. the position of antenna feed the end of a thread.The advantages of this mode, is that feeder line and work(point are all passive
, convenient for laying.But a disadvantage is that：Coaxial cable is heavier, and price is not cheap, and with the increase of distance, loss
Also can increase.For example impedance is 50 ohm, the feeder loss that section is 3 is 0.2db/m, and the loss of such 15m just reaches 3db.
Therefore the distance of tradition WIFI radiofrequency signals extended method covering, limited area.
The content of the invention
The purpose of the present invention is realize the greater area of covering of WIFI radiofrequency signals at lower cost.
In order to achieve the above object, the technical scheme is that providing a kind of lossless WIFI radiofrequency signals extension system
System, which is characterized in that including center AP and be arranged in each radio-frequency terminals laid a little, center AP is by ethernet line with respectively penetrating
Frequency terminal is connected, wherein：
Center AP is only used for Ethernet data and exchanges and provide operating voltage for each radio-frequency terminals, including data exchange list
Member, processing unit and power supply unit：Data exchange unit is connected by ethernet line with each radio-frequency terminals, and data exchange unit exists
Realize that the Ethernet data between each radio-frequency terminals and upper layer node exchanges under the control of processing unit, meanwhile, data exchange list
The operating voltage that member is provided using power supply unit, operating voltage is provided via ethernet line based on POE technologies for each radio-frequency terminals；
Power supply unit provides operating voltage for data exchange unit and processing unit；
The WIFI signal received is converted to ethernet signal by each radio-frequency terminals as wireless access point by radio-frequency terminals
Center AP is sent to by ethernet line afterwards or the ethernet signal received from center AP is converted into WIFI by radio-frequency terminals
The equipment of access current radio frequency terminal is uploaded to after signal.
Preferably, the radio-frequency terminals include being connected with the MAC unit one of antenna, and MAC unit one is connected with processor, locates
Device connection MAC unit two is managed, MAC unit two connects the data exchange unit of the center AP via ethernet line, by processor
MAC unit two is sent to after WIFI signal received from MAC unit one is converted to ethernet signal or will be received by processor
MAC unit one is sent to after being converted to WIFI signal from the ethernet signal of MAC unit two.
Preferably, the MAC unit one is connected by PCIE buses with the processor；The MAC unit two passes through
GMII buses are connected with the processor.
Preferably, each radio-frequency terminals have different MAC Address.
Preferably, each radio-frequency terminals, which are transferred in the Ethernet information of the center AP, includes signal strength number
According to the center AP is according to one highest MAC Address of signal strength of selection in the corresponding signal strength data of different MAC Address
Corresponding radio-frequency terminals establish connection.
The radio-frequency terminals of the present invention do not perform complex protocol, are only only completed WIFI signal to the bridge joint of ethernet signal, because
This its power consumption is lower, and design is simpler, required memory space also smaller.Meanwhile the present invention is without PA (power amplification),
LNA (low noise amplification), and since WIFI signal is after conversion becomes ethernet signal, Ethernet transmission 100m does not have
Error code, therefore intermediate transmission will not cause to be lost to the WIFI signal of source, coverage distance can arbitrarily expand as needed
Exhibition.Center AP need not provide wireless tenability, and processing capacity can gently be risen by expanding the processing capacity of CPU
Grade.
Description of the drawings
Fig. 1 is existing WIFI radiofrequency signals expanded circuit block diagram；
Fig. 2 is a kind of system block diagram of lossless WIFI radiofrequency signal expansion systems provided by the invention.
Specific embodiment
With reference to specific embodiment, the present invention is further explained.It is to be understood that these embodiments are merely to illustrate the present invention
Rather than it limits the scope of the invention.In addition, it should also be understood that, after reading the content taught by the present invention, people in the art
Member can make various changes or modifications the present invention, and such equivalent forms equally fall within the application the appended claims and limited
Scope.
As shown in Figure 1, the present invention provides a kind of lossless WIFI radiofrequency signal expansion systems, including center AP and arrangement
In each radio-frequency terminals laid a little, center AP is connected by ethernet line with each radio-frequency terminals.
Center AP does not provide wireless tenability, is only used for Ethernet data and exchanges and provide work electricity for each radio-frequency terminals
Pressure.Center AP includes data exchange unit, processing unit and power supply unit.Data exchange unit passes through ethernet line and each radio frequency
Terminal is connected, and data exchange unit realizes the ether netting index between each radio-frequency terminals and upper layer node under control of the processing unit
According to exchange, meanwhile, data exchange unit utilizes the operating voltage that power supply unit provides, and is based on POE technologies via ethernet line
Each radio-frequency terminals provide operating voltage；Power supply unit provides operating voltage for data exchange unit and processing unit.
Each radio-frequency terminals are considered as the minimum system of the miniature AP of tradition as wireless access point.It will be connect by radio-frequency terminals
The WIFI signal received is sent to center AP by ethernet line after being converted to ethernet signal or will be received by radio-frequency terminals
The equipment of access current radio frequency terminal is uploaded to after being converted to WIFI signal from the ethernet signal of center AP.
Radio-frequency terminals include being connected with the MAC unit one of antenna, and MAC unit one is connected with processor, processor connection MAC
Unit two, MAC unit two connect the data exchange unit of the center AP via ethernet line, will be received from MAC by processor
The WIFI signal of unit one is sent to MAC unit two after being converted to ethernet signal or will be received from MAC unit two by processor
Ethernet signal be converted to WIFI signal after be sent to MAC unit one.MAC unit one passes through PCIE buses and processor phase
Even；MAC unit two is connected by GMII buses with processor.Processor and as between the MAC unit one of WIFI MAC it is
PCIE bus transfer datas and as being GMII bus transfer datas between the MAC unit two of ethernet mac, which is one
A two layers of bridge joint process.And bridge joint is only only completed, just the analog signal of WIFI is changed into the digital signal of ether.It is this to change
Into core be then to be transmitted analog signal digital close to the place of deployment, so transmit just not being lost, because
This drastically increases deployment scope and coverage effect.
Each radio-frequency terminals have different MAC Address, each radio-frequency terminals, center AP are distinguished by MAC Address
The exchange access of multichannel Ethernet is provided, each radio-frequency terminals occupy a port, with MAC Address between each terminal and center AP
It distinguishes, and exchanges data.It is similar that its principle and the Multi-netmouth of Ethernet switch work at the same time principle, therefore can't generate
Conflict.
For example, after " radio-frequency terminals 1 " receive WIFI signal, bridged by the processor of radio-frequency terminals, be converted into
Too net signal, and source MAC is using MAC1, it is just unique when center, AP receives the Ethernet message that source MAC is MAC1
Determine be " radio-frequency terminals 1 " data.Similarly, if center AP needs to send data, purpose of usage MAC to " radio-frequency terminals 1 "
Address is the Ethernet message of MAC1.
Multiple radio-frequency terminals can take into full account the separability in its space in layout, and overlapping region should be as far as possible small.In portion
Point overlapping region, terminal can according to the signal strength of different radio frequency terminal come select the radio-frequency terminals of a signal strength maximum into
Row association, after association is established, just uniquely determines used radio-frequency terminals, and radio-frequency terminals can be based on MAC Address and center AP
Communication.
Claims (5)
1. a kind of lossless WIFI radiofrequency signal expansion systems, which is characterized in that including center AP and be arranged in each lay a little
Radio-frequency terminals, center AP is connected by ethernet line with each radio-frequency terminals, wherein：
Center AP is only used for Ethernet data and exchanges and provide operating voltage for each radio-frequency terminals, including data exchange unit, place
Manage unit and power supply unit：Data exchange unit is connected by ethernet line with each radio-frequency terminals, and data exchange unit is being handled
Realize that the Ethernet data between each radio-frequency terminals and upper layer node exchanges under the control of unit, meanwhile, data exchange unit profit
The operating voltage provided with power supply unit, operating voltage is provided via ethernet line based on POE technologies for each radio-frequency terminals；Power supply
Unit provides operating voltage for data exchange unit and processing unit；
Each radio-frequency terminals are led to as wireless access point after the WIFI signal received is converted to ethernet signal by radio-frequency terminals
Ethernet line is crossed to be sent to center AP or the ethernet signal received from center AP is converted to WIFI signal by radio-frequency terminals
The equipment of access current radio frequency terminal is uploaded to afterwards.
A kind of 2. lossless WIFI radiofrequency signal expansion systems as described in claim 1, which is characterized in that the radio-frequency terminals
MAC unit one including being connected with antenna, MAC unit one are connected with processor, processor connection MAC unit two, MAC unit two
The data exchange unit of the center AP is connected via ethernet line, by processor by the WIFI signal received from MAC unit one
MAC unit two is sent to after being converted to ethernet signal or will be converted by processor received from the ethernet signal of MAC unit two
To be sent to MAC unit one after WIFI signal.
A kind of 3. lossless WIFI radiofrequency signal expansion systems as claimed in claim 2, which is characterized in that the MAC unit
One is connected by PCIE buses with the processor；The MAC unit two is connected by GMII buses with the processor.
A kind of 4. lossless WIFI radiofrequency signal expansion systems as described in claim 1, which is characterized in that each radio frequency
Terminal has different MAC Address.
A kind of 5. lossless WIFI radiofrequency signal expansion systems as claimed in claim 3, which is characterized in that each radio frequency
Terminal, which is transferred in the Ethernet information of the center AP, includes signal strength data, and the center AP is according to different MAC
The corresponding radio-frequency terminals of a highest MAC Address of signal strength is selected to establish connection in the corresponding signal strength data in location.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711232039.6A CN108112093A (en) | 2017-11-29 | 2017-11-29 | A kind of lossless WIFI radiofrequency signal expansion systems |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711232039.6A CN108112093A (en) | 2017-11-29 | 2017-11-29 | A kind of lossless WIFI radiofrequency signal expansion systems |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108112093A true CN108112093A (en) | 2018-06-01 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201711232039.6A Pending CN108112093A (en) | 2017-11-29 | 2017-11-29 | A kind of lossless WIFI radiofrequency signal expansion systems |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101854732A (en) * | 2010-01-22 | 2010-10-06 | 苏州超锐微电子有限公司 | Method for accessing wired Ethernet through WiFi wireless network |
| CN102013985A (en) * | 2010-11-01 | 2011-04-13 | 北京星网锐捷网络技术有限公司 | Master access point, sub access point and wireless network deployment system |
| CN104320864A (en) * | 2014-10-15 | 2015-01-28 | 杭州华三通信技术有限公司 | Data transmission method and wireless AP (Access Point) |
-
2017
- 2017-11-29 CN CN201711232039.6A patent/CN108112093A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101854732A (en) * | 2010-01-22 | 2010-10-06 | 苏州超锐微电子有限公司 | Method for accessing wired Ethernet through WiFi wireless network |
| CN102013985A (en) * | 2010-11-01 | 2011-04-13 | 北京星网锐捷网络技术有限公司 | Master access point, sub access point and wireless network deployment system |
| CN104320864A (en) * | 2014-10-15 | 2015-01-28 | 杭州华三通信技术有限公司 | Data transmission method and wireless AP (Access Point) |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20180601 |