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

Andreas F. Molisch, Ye Geoffrey Li, Yves Paul Nakache, Philip Orlik, Makoto Miyake, Yunnan Wu, Sinan Gezici, Harry Sheng, S. Y. Kung, H. Kobayashi, H. Vincent Poor, Alexander Haimovich, Jinyun Zhang

Research output: Contribution to journalArticlepeer-review

18 Scopus citations


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, and (iv) spectral shaping that can be adapted to accommodate different spectrum regulations and interference environments. Computer simulations show that this system can provide 110 Mbps at 7-10 m 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.

Original languageEnglish (US)
Pages (from-to)397-412
Number of pages16
JournalEurasip Journal on Applied Signal Processing
Issue number3
StatePublished - Mar 1 2005

All Science Journal Classification (ASJC) codes

  • Signal Processing
  • Hardware and Architecture
  • Electrical and Electronic Engineering


  • Impulse radio
  • RAKE receiver
  • Spectral shaping
  • Ultra-wideband


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