基于软件无线电的音视频通信一体化方案  

Audio and Video Communication Integration Solution Based on Software Radio

作　　者：汪奥 鄢秋荣[1,2] 李子雄 杜华 邱国振 WANG Ao;YAN Qiurong;LI Zixiong;DU Hua;QIU Guozhen(School of Information Engineering,Nanchang University,Nanchang 330031,China;Doctoral Research Innovation Center,North Lianchuang Communication Co.,Ltd.,Nanchang 330038,China)

机构地区：[1]南昌大学信息工程学院,南昌330031 [2]北方联创通信有限公司博士科研创新中心,南昌330038

出　　处：《实验室研究与探索》2024年第8期99-103,151,共6页Research and Exploration In Laboratory

基　　金：国家自然科学基金项目(61565012)。

摘　　要：为解决传统无线电平台对音视频传输误码率高、速率慢及设计复杂等问题,设计并提出基于ZYNQ和AD9361软件无线电方案。方案以IEEE802.11a协议为标准使用OFDM作为其主要调制技术,并通过网口实现ZYNQ与电脑主机之间的视频数据交互。功能测试结果表明,通过该方案设计的系统在天线接收范围内能持续保持数据误码率为零,并可根据实际需求灵活调整参数。此外,设计的一体化终端具有高实用性、强可扩展性和低复杂性,可广泛应用于各种环境。方案为音视频通信一体化提供全新的解决思路和方法,对无线视频通信产品开发具有较好的价值和现实意义。In order to solve the problems of high error rate,slow speed and complex design of traditional radio platform for audio and video transmission,a software radio scheme based on ZYNQ and AD9361 is designed and proposed.The scheme takes IEEE802.11a as the standard protocol and uses OFDM as its main modulation technology,and realizes the video data interaction between ZYNQ and the computer host through the network port.In addition,the designed integrated terminal has high practicality,strong scalability and low complexity,and can be widely used in various environments.This scheme provides a new solution for the integration of audio and video communication,and has important value and practical significance for the development of wireless video communication products.

关 键 词：软件无线电 音视频传输 正交频分复用 

分 类 号：TN929.5[电子电信—通信与信息系统]