An Optimal High-Order-Phase Chirp for DS-UWB Ranging

An Optimal High-Order-Phase Chirp for DS-UWB Ranging

The UWB (ultra-wideband) communication system occupies very large bandwidth of 7.5 GHz. This enables high-precision ranging that provides correct position information. In this paper, we analyzed each of high-order-phase chirps from 2nd-order to 4th-order for DS (direct-sequence)-UWB ranging and inve...

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Bibliographische Detailangaben
Hauptverfasser: Young-Il Shin, Joon-Goo Park
Format: Tagungsbericht
Sprache:eng
Schlagworte:
Acoustic pulses
Bandwidth
Chirp
FCC
Frequency
Peak to average power ratio
Pulse generation
Signal generators
Signal processing
Spread spectrum communication
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Beschreibung
Zusammenfassung:The UWB (ultra-wideband) communication system occupies very large bandwidth of 7.5 GHz. This enables high-precision ranging that provides correct position information. In this paper, we analyzed each of high-order-phase chirps from 2nd-order to 4th-order for DS (direct-sequence)-UWB ranging and investigated to find out the optimal phase based on the mainlobe-1st sidelobe ratio which determines the ranging accuracy. Simulation results confirmed that the 3rd-order-phase chirp is optimal for ranging.
ISSN:2161-9646
DOI:10.1109/WiCom.2008.269