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Communication method for data encryption through broadcast frame length under unrelated WIFI environment

A communication method and a technology for encrypting data, which are applied in wireless communication, security devices, access restrictions, etc., can solve problems such as inability to communicate with data, achieve wide application prospects, and enhance security and reliability.

Inactive Publication Date: 2016-10-05
SHENZHEN FENGLIAN TECH
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, before the authentication and association are performed and the association is successful, data communication between STA and AP, STA and STA cannot be carried out.

Method used

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  • Communication method for data encryption through broadcast frame length under unrelated WIFI environment
  • Communication method for data encryption through broadcast frame length under unrelated WIFI environment
  • Communication method for data encryption through broadcast frame length under unrelated WIFI environment

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Experimental program
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Embodiment

[0038] Such as Figure 1 to Figure 6 As shown, the communication method using the broadcast frame length to encrypt data in an unassociated WIFI environment is mainly to solve the problem in the prior art that devices in the same wireless local area network cannot communicate without authentication association, Moreover, the security and reliability of the communication data are improved, and the possibility of wrong connection of other devices is effectively avoided, and the accuracy of the device connection is greatly enhanced. The method not only supports single-point to single-point, single-point to multi-point, multi-point to single-point, multi-point to multi-point one-way communication, but can adapt to various complex wireless network communication environments. The method is designed based on the 802.11 standard, and can be extended and compatible with the 802.11 protocol family; meanwhile, it can also support AD-Hoc networks, BSS networks, and ESS networks. Specific...

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Abstract

The invention discloses a communication method for data encryption through broadcast frame length under the unrelated WIFI environment. The system according to the communication method comprises a transmitting end and a receiving end which are arranged in the same WIFI environment. The transmitting end analyzes original information to be transmitted into a string of data stream formed by multiple data sets and analyzes each data of the data stream into a pair of broadcast frames so as to form a set of broadcast packet of the specific content and then periodically broadcast the broadcast packet in order in the current channel. The receiving end works in a monitoring mode, periodically switches the channel and captures the broadcast frames in the current channel, captures a set of broadcast packets and then performs data information extraction and acquires the transmitted data stream, and finally performs verification and restores the transmitted original information and completes data communication. Data transmission is performed by ingeniously utilizing the structural characteristics of the broadcast frames in the WIFI technology so that data transmission under the unrelated condition can be realized. Meanwhile, data encryption is performed for multiple times in transmission so that the security and the reliability of data transmission can be enhanced.

Description

technical field [0001] The invention relates to the technical field of wireless communication, in particular to a communication method for encrypting data by using broadcast frame length in an unrelated WIFI environment. Background technique [0002] With the continuous rise of the Internet and the increasingly prominent mobile demand, the demand for wireless interconnection is also becoming stronger. Among the existing wireless communication technologies, the bluetooth communication technology has a small coverage area, and the infrared communication technology is greatly affected by the environment, and the effect of penetrating walls is not ideal. Due to its wide application, WIFI communication technology is gradually accepted by enterprises and families. However, the traditional standards-based IEEE802.11 defines the wireless network specification: one wireless point acts as an AP (Access Point) mode, and other wireless points act as a STA (Station) mode. After the STA ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04W48/10H04W76/00H04W76/02H04W12/08H04W12/033
CPCH04W12/08H04W48/10H04W76/14H04W76/40
Inventor 叶柯汪宇崔营
Owner SHENZHEN FENGLIAN TECH
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