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Method for communication through multicast frame embedded data under unrelated WIFI environment

A data communication and multicast frame technology, which is applied in the field of wireless communication, can solve problems such as inability to communicate 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
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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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  • Method for communication through multicast frame embedded data under unrelated WIFI environment
  • Method for communication through multicast frame embedded data under unrelated WIFI environment
  • Method for communication through multicast frame embedded data under unrelated WIFI environment

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Experimental program
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Embodiment

[0034] Such as Figure 1 to Figure 5 As shown, the method of communicating through multicast frame embedded data in an unrelated WIFI environment is mainly to solve the problem that devices in the same wireless local area network cannot communicate without authentication and association in the prior art. It also improves the security and reliability of communication data, effectively avoids the possibility of other devices being connected incorrectly, and greatly enhances the accuracy of device connection. The method not only supports single-point-to-single point, single-point-to-multipoint, multi-point-to-single point, and multi-point-to-multipoint unidirectional communication, and can adapt to various complex wireless network communication environments. This method is designed based on the 802.11 standard, and can be extended to be compatible with the 802.11 protocol family; at the same time, it can also support AD-Hoc network, BSS network, and ESS network. Specifically, thi...

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Abstract

The invention discloses a method for communication through multicast frame embedded data under the unrelated WIFI environment. The system according to the 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 multicast frame so as to form a set of multicast packet of the specific content and then periodically transmit the multicast packet in the current channel. The receiving end works in a monitoring mode, periodically switches the channel and captures the multicast frame in the current channel, captures a set of multicast packet 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 multicast frame 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 present invention relates to the field of wireless communication technology, in particular, to a method for communicating through embedded data in a multicast frame in an unrelated WIFI environment. Background technique [0002] With the continuous rise of the Internet, mobile demand has become increasingly prominent, and the demand for wireless interconnection has become 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 wall penetration effect is not ideal. However, WIFI communication technology is gradually accepted by enterprises and families due to its wide application. However, the traditional standards-based IEEE802.11 defines wireless network specifications: one wireless point is used as AP (Access Point) mode, and the other wireless points are used as STA (Station) mode. After...

Claims

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Application Information

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IPC IPC(8): H04W4/06H04W12/10H04L1/00H04W12/106
CPCH04L1/0061H04W4/06H04W12/10
Inventor 汪宇叶柯崔营
Owner SHENZHEN FENGLIAN TECH
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