Method and system for data transmission

A data transmission method and a technology of a data transmission system, which are applied in the field of wireless communication, can solve problems such as data loss and unguaranteed data, and achieve the effects of reducing the loss rate, improving completeness, and ensuring continuity

Active Publication Date: 2012-10-03
SHENZHEN HONGDIAN TECH CORP
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Problems solved by technology

[0017] In the second way, during the period when DTU is connected to the Internet, there will genera

Method used

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  • Method and system for data transmission
  • Method and system for data transmission

Examples

Experimental program
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Example Embodiment

[0073] Such as figure 1 As shown, the data transmission method of an embodiment of the present invention includes the following steps:

[0074] Step S201: Establish a cache step: Create a shared memory as a data cache in a memory independent of the application system;

[0075] Step S203: Data acquisition step: hook up the data buffer when the application system is started or run, and access the data buffer to acquire the service data to be transmitted.

[0076] The step of establishing a cache in this embodiment is preferably performed based on an embedded Linux operating system.

[0077] The data cache in this implementation is an external cache independent of the application system. The size of the shared memory used as a data cache depends on the hardware configuration. Under the premise of sufficient resources, the larger the shared memory, the more data it can hold and the higher the reliability of the data. Since this shared memory does not depend on the application system and ...

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Abstract

The invention discloses a method and a system for data transmission. The method and the system comprise the following steps: establishing a shared memory as a data cache in an internal memory, which is independent of outside of an application system; when the application system is started or operated, hanging the data cache, and visiting the data cache to obtain business data to be transmitted; the data cache, provided in the method and the system for data transmission, is an external cache independent of outside of the application system, and is not dependent on the application system or an application program, has reenterability and cannot lose the cached business data due to exception of the application system, so that a loss rate of the data such as business data can be reduced, and integrity for transmission of the data such as the business data is improved; the data cache is independent of the application system, the existing data in the data cache cannot be influenced due to exception of the application system, after the application system is restarted, the data cache is hung, and a data breaking point at last time is found, so that continuity of the business data is ensured.

Description

technical field [0001] The invention relates to the field of wireless communication, in particular to a data transmission method and system for a wireless network. Background technique [0002] With the continuous maturity and development of wireless communication technology, this technology is increasingly used in data transmission. Although wireless communication technology has many advantages, it is far inferior to fixed network in terms of stability and reliability. Therefore, in data communication based on wireless technology, the reliability of communication data is very important. [0003] Data reliability assurance is mainly divided into two major aspects: data validity and data completeness. [0004] The validity of data can be guaranteed by technologies such as good protocol design and implementation. [0005] The completeness of data depends not only on the data transmission protocol, but also depends on the reliability of the network environment, data reliabili...

Claims

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Application Information

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IPC IPC(8): H04L29/08
Inventor 李圣哲
Owner SHENZHEN HONGDIAN TECH CORP
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