用于电气工程教育的低成本软件定义无线电

S. B. S. Hanbali
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引用次数: 0

摘要

原型无线通信系统可以使用分立组件来设计,例如,低噪声放大器(LNA)、功率放大器(PA)、混频器、滤波器、频率合成器、模数转换器(ADC)、数模转换器(DAC)等。必须设计、制造、组装、测试不同的电路板,并用导线连接。因此,对这些原型进行迭代将增加系统的总体成本、大小、功耗和复杂性。相比之下,软件定义无线电(SDR)在单个微芯片上集成了多个功能块,以降低成本、尺寸和功耗。此外,SDR结合了数字处理和模拟射频(RF),以提供更大的灵活性来重新配置和控制。因此,SDR实现了更灵活的频率和带宽RF设计,实现了数据的无缝传输和接收。此外,SDR的易用性和降低的费用允许学生拥有门户设备。这通过亲身体验式学习提高了学生的参与度。
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Low-cost software-defined radio for electrical engineering education
Prototype wireless communication systems can be designed using discrete components, e.g., a low-noise amplifier (LNA), a power amplifier (PA), mixers, filters, frequency synthesizers, an analog-to-digital converter (ADC), a digital-to-analog converter (DAC), etc. Different circuit boards have to be designed, fabricated, assembled, tested, and connected with wires. Consequently, iterating on these prototypes will increase the overall cost, size, power consumption, and complexity of the system. In contrast, software-defined radios (SDRs) integrate multiple functional blocks on a single microchip to reduce the cost, size, and power consumption. Furthermore, SDRs combine both digital processing and analog radio frequency (RF) to offer more flexibility to be reconfigured and controlled. Therefore, SDRs achieve more frequency- and bandwidth-flexible RF design, which enables the seamless transmission and reception of data. In addition, the ease of use and reduced expense of SDRs permit students to own the portal equipment. This increases student engagement through hands-on experiential learning.
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来源期刊
IEEE Potentials
IEEE Potentials Social Sciences-Education
CiteScore
1.40
自引率
0.00%
发文量
94
期刊介绍: IEEE Potentials is the magazine dedicated to undergraduate and graduate students and young professionals. IEEE Potentials explores career strategies, the latest in research, and important technical developments. Through its articles, it also relates theories to practical applications, highlights technology?s global impact and generates international forums that foster the sharing of diverse ideas about the profession.
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