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应用文章
Algorithm design and analysis are essential steps in the development of any communications system. Some modulation schemes make accomplishing these steps more challenging than others. A prime example is the Orthogonal Frequency Division Multiplexing (OFDM) digital multicarrier modulation method. Waveforms based on this scheme are inherently complex and typically require a great deal of customization. Until now, no flexible or general-purpose solution has been available to aid in their creation and analysis.
This application note presents a flexible solution for rapid OFDM waveform generation and analysis that employs traditional signal generation and analysis using a practical commercial off-the-shelf (COTS) approach. This approach utilizes Keysight Technologies, Inc. SystemVue Electronic System Level (ESL) environment to perform system modeling and 89600 Vector Signal Analysis (VSA) software to troubleshoot and analyze the resulting waveforms. By employing this approach, waveforms can be quickly and easily created for a wide range of purposes, including: creating typical OFDM signals compatible with new, emerging standards; exploring proprietary OFDM variations and algorithms to suit particular applications; supporting secure and military formats with minimal customization; and creating and downloading test signals into measurement equipment for hardware verification.
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