Multi-mode, multi-band, multi-user radio system architecture
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United States of America Patent
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Nov 21, 2000
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N/A
app pub date -
Dec 19, 1997
filing date -
Dec 19, 1997
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Abstract
A multi-mode, multi-band, multi-user radio system architecture includes four channels of exciter circuits and receiver circuits coupled to a digital signal processing array. Each of the exciter and receiver circuits includes three separate signal paths for three separate frequency ranges of analog signals. Each path includes an analog-to-digital converter or a digital-to-analog converter for converting both modulated analog signals to modulated digital signals and modulated digital signals to modulated analog signals. The digital signal processing array performs modulation and demodulation functions for the radio system.
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