Daniel C. Dinis, R. Ma, K. Teo, P. Orlik, Arnaldo S. R. Oliveira, J. Vieira
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Towards analog filter-free all-digital transmitters through hybrid estimation and cancellation of ASM's quantization noise
This paper discusses one first approach towards the design of analog filter-free All-Digital RF Transmitters suitable for multi-band scenarios. In particular, the implementation of a feedforward technique will be targeted with the overall aim of analog canceling the digitally estimated out-of-band quantization noise. Simulated results are presented and evaluated in terms of Normalized Mean Square Error (NMSE), Adjacent Channel Power Ratio (ACPR) and obtained spectra.
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