Gerrielyn Ramos

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Multipath fading can have a severe impact on the performance of wireless communication systems, and space-time codes have proven to be an effective technique to mitigate channel fading through the transmit diversity. Random-like codes, including turbo codes and LDPC codes, have demonstrated remarkable performance, which is typically within 1 dB of the(More)
The United States Federal Communications Commission allows for the transmission of ultra-wideband (UWB) signals in the frequency range from 3.1-10.6 GHz, enabling the overlay of such signals over existing narrowband signals. To reduce interference to the existing signals, strict power limitations are imposed. Envisioned UWB applications include:(More)
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