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USB interface wireless network card compatible with multiple security standards

A technology of USB interface and wireless network card, applied in the field of USB interface wireless network card compatible with various security standards, can solve the problem of easy deciphering of technology, and achieve the effect of improving security and compatibility, working stability, and safe wireless network environment

Inactive Publication Date: 2009-06-10
BEIJING CEC HUADA ELECTRONIC DESIGN CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Among them, international standards use WEP, WPA, 802.11x, 802.11i, VPN and other methods to try to ensure WLAN security, but they either only transfer the security mechanism of wired LAN to WLAN through technology, or are easy to be deciphered technically. The security problem has become an important research direction of WLAN

Method used

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  • USB interface wireless network card compatible with multiple security standards
  • USB interface wireless network card compatible with multiple security standards

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Embodiment Construction

[0011] The present invention will be further described below in conjunction with the accompanying drawings and embodiments.

[0012] Concrete connection mode of the present invention:

[0013] The power supply part (4) of the present invention provides the required power supply for various devices on the wireless network card, and the function it realizes is to convert the +5V power supply provided by the USB interface into various different power supplies required on the network card, Make specific choices according to different specific schemes.

[0014] The baseband chip (2) of the present invention can be connected with the wide area network through the USB interface, and transmits data with the radio frequency chip through the differential IQ signal. The baseband chip completes two main tasks: 1. Convert the 802.3 WAN data into the data of the 802.11 series protocol, which is realized by the firmware program of the chip. According to the 802.3 protocol, the useful data t...

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PUM

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Abstract

The invention relates to a USB interface wireless network card capable of being compatible with various safety criterions, which consists of a power supply, a USB interface, a baseband and radio-frequency module, a memory device and an antenna. The USB interface wireless network card converts 802.3 network data into 802.11 data through the USB interface and a baseband chip which can be compatible with the various safety criterions, and is communicated with other devices which accord with a 802.11 protocol through the radio-frequency module according with the 802.11 protocol and the antenna used for a WLAN, because the USB interface wireless network card is compatible with the various safety criterions such as WEP, WAP, WAPI, WPA and RSN, the USB interface wireless network card can provide a safer wireless network environment for users.

Description

technical field [0001] The invention relates to a USB interface wireless network card device compatible with various safety standards, capable of supporting chips of various safety standards, and capable of supporting safety standards such as WEP, WAP, WAPI, WPA, RSN, etc., wherein the WAPI safety standard is the safety standard of my country's independent intellectual property rights. Standards, being compatible with multiple security standards can further improve the security and compatibility of equipment, and enable users to enjoy the convenience brought by wireless networks more safely. Background technique [0002] At present, the USB interface wireless network card is a very competitive wireless Internet access technology, which can provide wireless Internet access for notebooks and desktop computers with USB interfaces. As we all know, the most widely used communication technology in wireless local area network is to encrypt according to the standards formulated by th...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L9/00H04L29/06
Inventor 王奇钱蓉晖方波邓鹏章东湖孙兴文李杰
Owner BEIJING CEC HUADA ELECTRONIC DESIGN CO LTD
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