A low-cost time-hopping impulse radio system for high data rate transmission

Details A low-cost time-hopping impulse radio system for high data rate transmission A low-cost time-hopping impulse radio system for high data rate transmission

2005-02-10

arxiv.org/abs/cs/0502053v1

Computer Science

Information Theory

To appear in EURASIP Journal on Applied Signal Processing (Special Issue on UWB - State of the Art)

Scientific paper

We present an efficient, low-cost implementation of time-hopping impulse radio that fulfills the spectral mask mandated by the FCC and is suitable for high-data-rate, short-range communications. Key features are: (i) all-baseband implementation that obviates the need for passband components, (ii) symbol-rate (not chip rate) sampling, A/D conversion, and digital signal processing, (iii) fast acquisition due to novel search algorithms, (iv) spectral shaping that can be adapted to accommodate different spectrum regulations and interference environments. Computer simulations show that this system can provide 110Mbit/s at 7-10m distance, as well as higher data rates at shorter distances under FCC emissions limits. Due to the spreading concept of time-hopping impulse radio, the system can sustain multiple simultaneous users, and can suppress narrowband interference effectively.

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