RS decoding module system and method for high-definition-video wireless transmission system based on COFDM

Abstract

The invention discloses an RS decoding module system and method for a high-definition-video wireless transmission system based on COFDM (Code Orthogonal Frequency Division Multiplexing). A valet calculation module is connected with a key-equation solution module. The key-equation solution module is connected with a judgment correction module through a Chien search module and an error-value calculation module. The valet calculation module is connected with a data buffer. The data buffer is connected with the judgment correction module through a register. The key-equation solution module adopts an improved BM algorithm. The system and method have the following advantages: 1. a divide loop is avoided effectively and on the basis that the improved BM algorithm is researched, processing speed is improved effectively while resource occupancy which is not large is increased; 2. a conflict in a wireless transmission process, in which error codes are extremely easy to happen, that rapid and effective transmission of high-quality and highly reliable images, sounds and characters is needed in the high-definition-video wireless transmission system and the like, and error codes are likely to happen in wireless transmission is solved effectively.

Description

technical field [0001] The invention relates to the field of wireless image transmission, in particular to an RS decoding module system and method of a COFDM-based high-definition video wireless transmission system. Background technique [0002] Code Orthogonal Frequency Division Multiplexing (COFDM) is a new type of data processing technology. With its high spectrum utilization, high transmission rate and strong anti-multipath interference ability, it is widely used in wireless image transmission. field has attracted widespread attention. In the high-definition video wireless transmission system, it is necessary to quickly and efficiently transmit high-quality, high-reliability image, sound, text and other data information to the receiver. If stray electromagnetic wave interference, multipath reflection and impedance mismatch occur during transmission, the receiver The terminal will easily generate bit errors, which requires improving the reliability and anti-interference ...

AI Technical Summary

Problems solved by technology

Both the BM algorithm and the Euclidean algorithm use cyclic iterations to process the adjoint polynomial coefficients to solve the key equation. The Euclidean algorithm solves the equation by finding the greatest common divisor of the two polynomials. The calculation Regular and cyclic processing is relatively simple, but the complexity is relatively high, and the control logic is relatively complicated; the biggest problem with the BM algorithm is the division in the algorithm, and the delay generated during its implementation is serious

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