SDIO-WIFI data transmission method and system with buffer area

A data transmission method and technology of a data transmission system, which are applied in the input/output process of data processing, electrical digital data processing, input/output to record carriers, etc., can solve the problem of large throughput jitter, low WIFI throughput efficiency, and waiting time scheduling. speed and other issues, to achieve the effect of improving throughput efficiency, improving communication efficiency, and reducing throughput jitter
CN108932207AInactive Publication Date: 2018-12-04ALLWINNER TECH CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
ALLWINNER TECH CO LTD
Publication Date
2018-12-04
Estimated Expiration
Not applicable · inactive patent

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Abstract

The invention discloses an SDIO-WIFI data transmission method and system with a buffer area. The method comprises a step of receiving data, packing the data into a data packet, and then writing the data packet into the buffer area of a first-in-first-out format, a step of reading the data packet from the buffer area, parsing the packet, getting the data, and then sending the data to an externaldevice from an SDIO interface. According to the method, the data sent by a WIFI driver to an SDIO driver is cached through the buffer area of the first-in-first-out format, the WIFI driver can process other data without waiting for the SDIO driver to send the data, the WIFI throughput efficiency is improved, the throughput jitter is small, the delay can be reduced at a terminal, and the communication efficiency is improved.
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Description

technical field

[0001] The invention relates to the technical field of wireless communication, in particular to an SDIO-WIFI data transmission method and system with a buffer area. Background technique

[0002] At present, WIFI modules with SDIO interfaces are widely used in the cores of electronic products such as tablet computers and driving recorders. The SDIO-WIFI module is an embedded module based on the SDIO interface that conforms to the wifi wireless network standard. It has a built-in wireless network protocol IEEE802.11 protocol stack and a TCP / IP protocol stack, which can realize the data from the user's main platform to the wireless network through the SDIO port. conversion. SDIO has the characteristics of fast data transmission and compatibility with SD and MMC interfaces. The throughput of the SDIO-WIFI module is an important factor affecting user experience, and is easily affected by software and hardware performance.

[0003] Among the existing kernels, th...

Claims

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