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Method for implementing encoding/decoding of WiMAX system information

A coding, decoding and message technology, applied in transmission systems, radio transmission systems, electrical components, etc., can solve problems such as failure to achieve general purposes, and achieve the effect of easy expansion, easy implementation, and clear and simple thinking

Active Publication Date: 2008-05-14
武汉烽合智达信息技术有限责任公司
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  • Claims
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AI Technical Summary

Problems solved by technology

This is achievable in the ASN.1 codec with a fixed encoding type, but it cannot achieve its general purpose in the TLV codec with an unfixed encoding type and continuous expansion.

Method used

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  • Method for implementing encoding/decoding of WiMAX system information
  • Method for implementing encoding/decoding of WiMAX system information

Examples

Experimental program
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Embodiment Construction

[0027] The purpose of the method of the present invention is to provide a method for implementing TLV encoding and decoding in a WiMAX system (base station, terminal), for building a simple, efficient, easy-to-implement, and easy-to-expand module to meet the needs of development based on 802.16e and Its subsequent protocol software requirements.

[0028] The basic principle of the inventive method is as follows:

[0029] For a message that requires TLV encoding, since it is described by C language, and the encoding and decoding rules are not limited to any programming language (that is, the encoding and decoding rules only conform to the TLV specification), the encoding program must first try to Transform the data structure described by the C language into a data structure conforming to the TLV grammar (mainly to determine the one-to-one correspondence between the data types in the two environments), and then use specific coding rules to start coding. On the contrary, for the...

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Abstract

The invention relates to a method for realizing WiMAX system message encoding and decoding, comprising the following steps: defining a TLV mapping table for traversing different data structures; constructing an original data structure according to a protocol; automatically converting and generating the above original data structure The data structure in the form of TLV mapping table, the definition of corresponding static variables, and the assignment mapping relationship between the TLV mapping table and the original data structure in each codec function; by traversing the TLV mapping table, the type and length elements are judged and processed After completing the encoding and decoding of the whole message, the method of the present invention can realize a TLV encoding and decoding code module that is simple, efficient, easy to implement, and easy to expand.

Description

technical field [0001] The invention relates to a method for realizing TLV codec in a WiMAX system (base station, terminal), in particular to a method for realizing TLV codec for various management control messages conforming to 802.16e protocol. Background technique [0002] TLV (Type / Length / Value Object) codec is a codec rule very similar to BER (Basic Encoding Rules) codec in ASN.1 (Abstract Syntax Notation), and is widely used in the field of computer communication. It not only inherits the advantages of ASN.1, but also makes the high-level application data transmitted by the communication parties in the network platform-independent (the hardware has nothing to do with the machine, and the soft machine has nothing to do with the operating system and programming language), and has good scalability ; At the same time, it has a certain degree of flexibility. The type field in TLV codec is not limited to several broad data types in the ASN.1 abstract description syntax, but ...

Claims

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Application Information

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IPC IPC(8): H04L29/06H04B7/00
Inventor 郝建钢
Owner 武汉烽合智达信息技术有限责任公司
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