PSK Digital Modulation DSP Implementation Applied to Software Radio

Electronics, Robotics and Automotive Mechanics Conference (CERMA'06) Pub Date : 2006-09-26 DOI:10.1109/CERMA.2006.76

D. S. Gómez, I. A. Aguirre-Hernández, Y. L. Rodríguez-Guarneros, J. Villarruel

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引用次数: 9

Abstract

Demand of future wireless communication services will require an always-on connection according to the quality of service QoS and provider service. This QoS involve multiple wireless standards that require intelligent and dynamic portable device. Wireless modems are key part of mobile devices in adequate transmissions according to QoS. In order to adapt different wireless standard, future radios will need to be implemented on software form, Thanks to DSP and wireless technologies, today software modem radios for 2 and 2.5 Generations have already been implemented. Here, we have analyzed and implemented a phase shift keying (PSK) modem. A key feature of this modem is the design of an integer k-sampling time a table bit rate independent. This feature has allowed reducing the receiver memory and time implementation by reducing the delay and sampling time to the minimum. This provides a bit rate limit only by the analog to digital converter sampling time. The PSK modem has been implemented on a digital signal processor TMS320C5416 platforms, the results obtained were according to simulation and theoretical analysis

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应用于软件无线电的PSK数字调制DSP实现

未来无线通信业务的需求将根据业务质量、QoS和提供商服务要求实现不间断连接。这种QoS涉及多种无线标准，需要智能和动态的便携式设备。无线调制解调器是保证移动设备传输质量的关键部件。为了适应不同的无线标准，未来的无线电将需要在软件形式上实现，由于DSP和无线技术，今天的2代和2.5代软件调制解调器无线电已经实现。在这里，我们分析并实现了相移键控(PSK)调制解调器。该调制解调器的一个关键特点是设计了一个整数k采样时间，与表比特率无关。该特性允许通过将延迟和采样时间减少到最小来减少接收器内存和时间实现。这样提供的比特率限制仅受模数转换器采样时间的限制。在数字信号处理器TMS320C5416平台上实现了PSK调制解调器，仿真结果与理论分析一致

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Electronics, Robotics and Automotive Mechanics Conference (CERMA'06)

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