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Baseband signal processing platform based on software radio

A baseband signal processing and software radio technology, applied in the field of single carrier or OFDM transmission technology, can solve the problems of single hardware structure and function, poor scalability, etc., and achieve the effect of flexible structure, strong versatility, and fast transmission rate

Inactive Publication Date: 2015-09-02
CHANGCHUN UNIV OF SCI & TECH
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Problems solved by technology

[0005] In view of the above-mentioned problems, the purpose of the present invention is to provide a baseband signal processing platform based on software radio, to solve the problems of single hardware structure function and poor scalability of existing data transmission stations

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  • Baseband signal processing platform based on software radio

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Embodiment Construction

[0022] In the following description, for purposes of explanation, numerous specific details are set forth in order to provide a thorough understanding of one or more embodiments. It may be evident, however, that these embodiments may be practiced without these specific details. In other instances, well-known structures and devices are shown in block diagram form in order to facilitate describing one or more embodiments.

[0023] Specific embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings.

[0024] At first the technical terms in the present invention are explained:

[0025] DSP (digital signal processing): that is, digital signal processing, which is the theory and technology of processing signals by means of numerical calculation. The purpose of digital signal processing is to measure or filter continuous analog signals in the real world.

[0026] FPGA (Field-Programmable Gate Array): Field Programmable Gate ...

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Abstract

The invention provides a baseband signal processing platform based on software radio. The baseband signal processing platform includes a digital signal processor, a field-programmable gate array connected with the digital signal processor, and an intermediate frequency interface module connected with the field-programmable gate array. The intermediate frequency interface module comprises a digital up-converter and a digital down-converter. The digital signal processor is used for coding and modulating or demodulating and decoding a digital baseband signal. The field-programmable gate array is used for logic programming of the coded and modulated or demodulated and decoded digital baseband signal. The digital up-converter is used for converting the digital baseband signal after logic programming into an intermediate frequency analog signal. The digital down-converter is used for receiving and converting the intermediate frequency analog signal into a digital baseband signal. With the invention, various wireless communication functions can be achieved by loading the software, and in this way, the baseband signal processing platform can have high versatility, a flexible structure, and strong software upgradable and reconfigurable capacities.

Description

technical field [0001] The present invention relates to a communication transmission technology of a digital transmission station, and more specifically, to a software radio-based single carrier or OFDM (Orthogonal Frequency Division Multiplexing, Orthogonal Frequency Division Multiplexing) transmission technology. Background technique [0002] With the rapid development of science and technology, radio technology has received widespread attention as a new communication system. In radio technology, digital wireless data transmission stations (referred to as digital transmission stations) are widely used. Digital transmission stations refer to high-performance professional data transmission stations realized by DSP (Digital Signal Processing, digital signal processing) technology and radio technology. , but the existing digital radio stations have the following problems: [0003] 1. The digital radio stations are all composed of hardware, which has the disadvantages of singl...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L25/03H04L27/38
Inventor 李兴广陈磊韩太林陈殿仁陈帅坤
Owner CHANGCHUN UNIV OF SCI & TECH
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