CN201557261U - Remote access equipment based on WIFI standard - Google Patents
Remote access equipment based on WIFI standard Download PDFInfo
- Publication number
- CN201557261U CN201557261U CN2009202821712U CN200920282171U CN201557261U CN 201557261 U CN201557261 U CN 201557261U CN 2009202821712 U CN2009202821712 U CN 2009202821712U CN 200920282171 U CN200920282171 U CN 200920282171U CN 201557261 U CN201557261 U CN 201557261U
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- 239000013307 optical fiber Substances 0.000 claims abstract description 16
- 238000006243 chemical reaction Methods 0.000 claims description 16
- 230000003287 optical effect Effects 0.000 claims description 13
- 230000005611 electricity Effects 0.000 claims description 8
- 230000005540 biological transmission Effects 0.000 abstract description 13
- 238000011144 upstream manufacturing Methods 0.000 abstract description 8
- 230000008054 signal transmission Effects 0.000 abstract description 2
- 230000009466 transformation Effects 0.000 abstract 4
- 239000000835 fiber Substances 0.000 abstract 2
- 238000000034 method Methods 0.000 description 7
- 230000005693 optoelectronics Effects 0.000 description 6
- 238000004891 communication Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 240000007594 Oryza sativa Species 0.000 description 1
- 235000007164 Oryza sativa Nutrition 0.000 description 1
- 235000009566 rice Nutrition 0.000 description 1
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Abstract
The utility model provides remote access equipment based on WIFI standard, wherein the equipment mainly comprises three portions of an equipment front end, an optical fiber transmission unit and far-end antenna units and can realize the remote access of various IP businesses based on a WiFi protocol. In the downstream directions of the businesses, the equipment front end finishes WiFi protocol processing, the electric-to-optical transformation is carried out, and fibers are utilized to finish the downstream transmission of signals, then the signals is transferred to various far-end antenna units through light power allocation, moreover, the electric-to-optical transformation of the signals and the wireless coverage of radiofrequency signals based on the WiFi protocol are finished by the antenna units. In the upstream direction of the businesses, the antenna units receive WiFi radiofrequency signals to finish the electric-to-optical transformation, the fibers are utilized to finish upstream delivery, the photoelectric transformation and the WiFi protocol processing of the signals are finished on the equipment front end, and the delivery of upstream businesses are completed by utilizing standard IP protocol through an upstream interface. By utilizing the equipment and based on the WiFi protocol, the remote wireless access of various IP businesses is realized.
Description
Technical field
The utility model relates to a kind of communication apparatus, specifically a kind of remote access product based on the WIFI standard of having created an IP operation long distance wireless access platform for the terminal use.
Background technology
The Wi-Fi of prior art be a kind of can be with PC, handheld device terminals such as (as PDA, mobile phones) with the interconnected technology of wireless mode.The same with Bluetooth technology, belong to the short distance wireless technical that in office and family, uses.Its coverage is tens meters level, the basic outfit of setting up based on the WiFi wireless network is exactly wireless network card and an AP, so just can cooperate the existing line architecture that has to come the share web resource, set up expense and complexity well below traditional cable network with wireless pattern.
Summary of the invention
The purpose of this utility model provides a kind of remote access product based on the WIFI standard.
The purpose of this utility model realizes in the following manner, its structure is by front equipment end, power divider and far-end antenna element three parts composition are finished the electricity/light of signal and transmitting and receiving of light/electricity conversion and WiFi wireless signal, wherein, front equipment end is by the WiFi protocol processor, modulation circuit, receiving circuit and optical transceiver module are formed, modulation circuit and receiving circuit are connected between WiFi protocol processor and the optical transceiver module by data wire, power divider is connected between front equipment end and the far-end antenna element by optical fiber, the far-end antenna element is by optical fiber interface, optical transceiver module, filter circuit, modulation circuit and WiFi dual-mode antenna are formed, optical fiber interface is connected with optical transceiver module by data wire, and optical transceiver module is connected with the WiFi dual-mode antenna by data wire.
On the professional down direction, front equipment end is finished the WiFi protocol processes of downstream signal, the electric light conversion, utilize optical fiber to finish the downlink transfer of signal, after the luminous power distribution, be sent to each far-end antenna element, finish the opto-electronic conversion of signal and based on the wireless coverage of the radiofrequency signal of WiFi agreement by antenna element.
On the professional up direction, antenna element receives the WiFi radiofrequency signal, finishes the electric light conversion, utilizes optical fiber to finish up transmission, finish the opto-electronic conversion and the WiFi protocol processes of upward signal in front equipment end, utilize standard I P agreement to finish the transmission of uplink service through upstream Interface.
The last connecting port of equipment is a fastethernet interface, utilizes the IP agreement to finish professional up transmission and descending reception.
Utilize principle to realize the communication of point between headend equipment and each far-end antenna element to multiple spot based on WiFi radiofrequency signal frequency division multiplexing.
The utility model has the advantages that, the transmission speed of Wi-Fi technology is very fast, can reach 54mbps, the demand that meets individual and social informatization, the threshold that manufacturer enters this field is lower, and the place of personnel's comparatively denses such as manufacturer needs only on the airport, station, cafe, library is provided with " AP " (Access Point), and by high-speed line the internet is inserted above-mentioned place, like this, because "
AP" electric wave launched can reach apart from the place of the tens of rice of access point radius to 100 meters; as long as the user will support the notebook computer of WLAN or PDA to take in this zone; can enter the Internet at a high speed; that is to say; manufacturer need not expend fund and carry out the network layout access, thereby has saved a large amount of costs.
Description of drawings
Fig. 1 is the structural representation of WiFi remote access product;
Fig. 2 is the structural representation of far-end antenna element;
Embodiment
With reference to Figure of description a kind of remote access product based on the WIFI standard of the present utility model is done following detailed explanation.
Technical problem to be solved in the utility model provides a kind of equipment of realizing the long-range access of IP operation based on the WiFi standard.This equipment mainly comprises front equipment end, Optical Fiber Transmission unit and far-end antenna element three parts, can realize the long-range access of various IP operation based on the WiFi agreement.
The upstream Interface of equipment is a fastethernet interface, utilizes the IP agreement to finish professional up transmission and descending reception.Utilize principle to realize the communication of point between headend equipment and each far-end antenna element to multiple spot based on WiFi radiofrequency signal frequency division multiplexing.
On the professional down direction, front equipment end is finished the WiFi protocol processes of downstream signal, and the electric light conversion utilizes optical fiber to finish the downlink transfer of signal, after distributing through luminous power, is sent to each far-end antenna element.Finish the opto-electronic conversion of signal and based on the wireless coverage of the radiofrequency signal of WiFi agreement by antenna element.On the professional up direction, antenna element receives the WiFi radiofrequency signal, finishes the electric light conversion, utilizes optical fiber to finish up transmission.Finish the opto-electronic conversion and the WiFi protocol processes of upward signal in front equipment end, utilize standard I P agreement to finish the transmission of uplink service through upstream Interface.Utilize this equipment,, realized that the long distance wireless of various IP operation inserts based on the WiFi agreement.
Fig. 1 has provided the concrete system configuration of this equipment.This equipment mainly comprises front equipment end, Optical Fiber Transmission unit and far-end antenna element three parts.The main functional modules of front equipment end comprises: finish the AP module of WiFi protocol processes, the auxiliary circuit module comprises light emission module is carried out the modulation circuit of rf modulations and the receiving circuit that Optical Receivers output radiofrequency signal is handled.Optical transceiver module is finished the electricity/light conversion of downstream signal and the light/electricity conversion of upward signal.Utilize luminous-power distributor, finish the transmission of up-downgoing light signal between headend equipment and the far-end antenna element by optical fiber.
Fig. 2 has provided the system configuration of far-end antenna element.It is formed module and comprises: finish the optical transceiver module of flashlight/electricity, electricity/light conversion, finish the filter circuit and the modulation circuit of radiofrequency signal processing and the WiFi antenna of finishing WiFi wireless signal transmission and reception.
Embodiment
On the professional down direction, setting by network management system, the AP module of front equipment end is the WiFi radio frequency band of No. 1 far-end antenna assignment 2.35GHz, and finish the WiFi protocol processes of downstream signal, finish the radio frequency light modulation of light emission module through modulation circuit, utilize optical fiber to finish the downlink transfer of signal, after distributing through luminous power, be sent to each far-end antenna element.The operating frequency that No. 1 antenna element is set filter circuit and modulation circuit by network management system is 2.35GHz, and after finishing the opto-electronic conversion of downstream signal, filter circuit filters the 2.35GHz frequency range, utilizes the WiFi antenna to finish the wireless coverage of 2.35GHz radiofrequency signal.
On the professional up direction, No. 1 antenna element receives the WiFi radiofrequency signal, finishes the electric light conversion, utilizes optical fiber to finish up transmission.Finish the opto-electronic conversion and the WiFi protocol processes of upward signal in front equipment end, utilize standard I P agreement to finish the transmission of uplink service through upstream Interface.Utilize this equipment,, realized that the long distance wireless of various IP operation inserts based on the WiFi agreement.
Employed parts of remote access product based on the WIFI standard of the present utility model and module are universal communication equipment or accessory.
Claims (1)
1. remote access product based on the WIFI standard, it is characterized in that it being by front equipment end, power divider and far-end antenna element three parts composition are finished the electricity/light of signal and transmitting and receiving of light/electricity conversion and WiFi wireless signal, wherein, front equipment end is by the WiFi protocol processor, modulation circuit, receiving circuit and optical transceiver module are formed, modulation circuit and receiving circuit are connected between WiFi protocol processor and the optical transceiver module by data wire, power divider is connected between front equipment end and the far-end antenna element by optical fiber, the far-end antenna element is by optical fiber interface, optical transceiver module, filter circuit, modulation circuit and WiFi dual-mode antenna are formed, optical fiber interface is connected with optical transceiver module by data wire, and optical transceiver module is connected with the WiFi dual-mode antenna by data wire.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202821712U CN201557261U (en) | 2009-12-10 | 2009-12-10 | Remote access equipment based on WIFI standard |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202821712U CN201557261U (en) | 2009-12-10 | 2009-12-10 | Remote access equipment based on WIFI standard |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201557261U true CN201557261U (en) | 2010-08-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009202821712U Expired - Fee Related CN201557261U (en) | 2009-12-10 | 2009-12-10 | Remote access equipment based on WIFI standard |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201557261U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102377027A (en) * | 2010-08-27 | 2012-03-14 | 大唐移动通信设备有限公司 | Active antenna and method for calibrating active antenna |
| CN105634541A (en) * | 2015-12-29 | 2016-06-01 | 北京邮电大学 | Full-duplex simultaneous wireless information and power transfer method and nodes |
-
2009
- 2009-12-10 CN CN2009202821712U patent/CN201557261U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102377027A (en) * | 2010-08-27 | 2012-03-14 | 大唐移动通信设备有限公司 | Active antenna and method for calibrating active antenna |
| CN105634541A (en) * | 2015-12-29 | 2016-06-01 | 北京邮电大学 | Full-duplex simultaneous wireless information and power transfer method and nodes |
| CN105634541B (en) * | 2015-12-29 | 2018-11-27 | 北京邮电大学 | Full duplex is taken can communication means and node |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100818 Termination date: 20101210 |