CN202026473U

CN202026473U - Highly sensitive WLAN intelligent terminal

Info

Publication number: CN202026473U
Application number: CN2011200044603U
Authority: CN
Inventors: 赵宏伟; 武瑞德
Original assignee: Individual
Current assignee: Individual
Priority date: 2011-01-07
Filing date: 2011-01-07
Publication date: 2011-11-02
Anticipated expiration: 2021-01-07

Abstract

The utility model relates to a highly sensitive WLAN (Wireless Local Area Network) intelligent terminal, and effectively solves the problems that due to low receiving sensitivity and low transmitting power, a conventional highly sensitive WLAN can not achieve WLAN broadband signal remote coverage and can not satisfy the requirement of high-rate operation. The technical scheme is that the receiving sensitivity of a highly sensitive receiver on the client side and the reverse transmitting power of a network card are improved, and an outdoor WLAN high-gain receiving antenna works together to reduce the wireless mutual interference of the network card by 90 percent and simultaneously improve the receiving sensitivity by about 15dB to 20 dB. Accordingly, the highly sensitive WLAN intelligent terminal comprises the WLAN high-gain receiving antenna and the highly sensitive receiver, wherein the highly sensitive receiver is connected with the WLAN high-gain receiving antenna through a highly-shielded low-loss RF (Radio Frequency) coaxial cable, and the highly sensitive receiver is also connected with an external power plug and a computer. The highly sensitive WLAN intelligent terminal has a simple structure, is convenient to use, has high sensitivity, and is an innovation of a network signal receiving device.

Description

A kind of highly sensitive WLAN intelligent terminal

One, technical field

The utility model relates to the network equipment, particularly a kind of highly sensitive WLAN intelligent terminal.

Two, background technology

Along with development of Communication Technique, people are heightened to based on network data traffic requirement at present.Existing broad band access method has light to register one's residence, telephone wire is registered one's residence etc., but for scarcely populated outlying rural area, the realization broadband covers, use wire transmission mode, can run into a series of difficult problems such as cable laying constructional difficulties, cost height, cost performance are low, utilize traditional highly sensitive wlan (WLAN (wireless local area network)) intelligent terminal, because reason such as receiving sensitivity is low and transmitting power is low, can not realize that the WLAN broadband signal covers at a distance, not satisfy the needs of high digit rate operation.

Three, summary of the invention

At above-mentioned situation, for overcoming the defective of prior art, the purpose of the utility model just provides a kind of highly sensitive WLAN intelligent terminal, and sensitivity is low to cover, do not satisfy the problem of high digit rate operation needs at a distance with the low WLAN broadband signal that can not realize of transmitting power because of receiving can effectively to solve existing highly sensitive WLAN.

The technical scheme of its solution is, by receiving sensitivity that improves the highly sensitive receiver of client and the back emitted power that improves network interface card, cooperate outdoor WLAN high-gain reception antenna, can realize reducing by 90% the wireless mutual interference of network interface card, improve the receiving sensitivity of 15dB to 20dB simultaneously, in view of the above, the utility model comprises WLAN high-gain reception antenna and highly sensitive receiver, highly sensitive receiver links to each other with WLAN high-gain reception antenna through height shielding low-loss radio-frequency (RF) coaxial cable, highly sensitive receiver links to each other with external attaching plug, and links to each other with computer.

The utility model is simple in structure, easy to use, highly sensitive, is the innovation on the network signal receiving system.

Four, description of drawings

Fig. 1 is the johning knot composition of each parts of the utility model.

Fig. 2 is the johning knot composition of each parts in the highly sensitive receiver of the present utility model.

Five, embodiment

Below in conjunction with accompanying drawing embodiment of the present utility model is described in further details.

Provide by Fig. 1 to Fig. 2, the utility model comprises WLAN high-gain reception antenna and highly sensitive receiver, highly sensitive receiver 1 links to each other with WLAN high-gain reception antenna 3 through height shielding low-loss radio-frequency (RF) coaxial cable 2, and highly sensitive receiver 1 links to each other with external attaching plug 4, and links to each other with computer 5.

In order to guarantee result of use, in said highly sensitive receiver 1 housing up transmitter unit is arranged, descending reception noise processed unit, frequency conversion unit, the digital analogue signal converting unit, digital processing element and broadband signal output unit, up transmitter unit (model is MRF6S27015) links to each other with descending reception noise processed unit (model is ASJ19) with high shielding low-loss radio-frequency (RF) coaxial cable 2 (model is 3D-FB), descending reception noise processed unit links to each other with second frequency converter unit (model is S1903C), the second frequency converter unit links to each other with the second digital analogue signal converting unit (model is AD7948), the second digital analogue signal converting unit links to each other with digital processing element (model is AR7161) with the first digital analogue signal converting unit (model is AD7948), the first digital analogue signal converting unit links to each other with the first frequency converter unit, first frequency converter unit (model is S1903C) links to each other and links to each other with up transmitter unit, and digital processing element links to each other with broadband signal output unit (model is RTL8201).

When the utility model uses, extraneous signal is received by WLAN high-gain reception antenna 3, send highly sensitive receiver 1 to through height shielding low-loss radio-frequency (RF) coaxial cable 2, highly sensitive receiver 1 is linked to each other with indoor 6 computer 5 by height shielding low-loss radio-frequency (RF) coaxial cable 2 through the broadband signal output unit, and power devices is by attaching plug 4 supplies, easy to use, fast, effective, realized that effectively the WLAN broadband signal covers at a distance, satisfied needs from far-off regions, concrete advantage is:

1, utilizes the outdoor WLAN high-gain of client reception antenna 3 good directional selectivity and directive property, effectively select the information source direction, reduce mutual interference, improve the sensitivity of receiver.

2, utilize high shielding low-loss radio-frequency (RF) coaxial cable, outdoor WLAN high-gain reception antenna 3 is linked to each other with indoor host computer, guarantee the transmission stability of signal, strengthen antijamming capability.

3, utilize up transmitter unit, improve highly sensitive receiver 1 emissivities of client, the assurance of enhanced system two-forty work.

4, utilize descending reception noise processed unit, further the filtering band disturbs outward, increases the sensitivity of highly sensitive receiver received signal, guarantees network interface card when weak signal, working stability.

5, utilize frequency conversion unit, digital analogue signal converting unit and digital processing element, the microwave signal of telecommunication is converted into the wired broadband network signal of standard agreement.

6, utilize the broadband signal output unit, the wired broadband network signal with having generated by the RJ45 network interface, offers the client.

The utility model is simple in structure, easy to use, is the innovation on the network signal receiving equipment.

Claims

1. highly sensitive WLAN intelligent terminal, comprise WLAN high-gain reception antenna and highly sensitive receiver, it is characterized in that, highly sensitive receiver (1) links to each other with WLAN high-gain reception antenna (3) through height shielding low-loss radio-frequency (RF) coaxial cable (2), highly sensitive receiver (1) links to each other with external attaching plug (4), and links to each other with computer (5).

2. highly sensitive WLAN intelligent terminal according to claim 1, it is characterized in that, in said highly sensitive receiver (1) housing up transmitter unit is arranged, descending reception noise processed unit, frequency conversion unit, the digital analogue signal converting unit, digital processing element and broadband signal output unit, up transmitter unit links to each other with descending reception noise processed unit with high shielding low-loss radio-frequency (RF) coaxial cable (2), descending reception noise processed unit links to each other with the second frequency converter unit, the second frequency converter unit links to each other with the second digital analogue signal converting unit, the second digital analogue signal converting unit links to each other with digital processing element with the first digital analogue signal converting unit, the first digital analogue signal converting unit links to each other with the first frequency converter unit, the first frequency converter unit links to each other and links to each other with up transmitter unit, and digital processing element links to each other with the broadband signal output unit.