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UWB ranging
Ultra-wideband impulse radio ranging (or UWB-IR ranging) is a wireless positioning technology based on IEEE 802.15.4z standard,[1] which is a wireless communication protocol introduced by IEEE, for systems operating in unlicensed spectrum, equipped with extremely large bandwidth transceivers. UWB enables very accurate ranging[2] (in the order of centimeters) without introducing significant interference with narrowband systems. To achieve these stringent requirements, UWB-IR systems exploit the available bandwidth[3] (which exceeds 500 MHz for systems compliant to IEEE 802.15.4z protocol) that they support, which guarantees very accurate timing (and thus ranging) and robustness against multipath, especially in indoor environments.[4] The available bandwidth also enables UWB systems to spread the signal power over a large spectrum[5] (this technology is thus called spread spectrum[6]), avoiding narrowband interference.[7][8][9]
- ^ "IEEE 802.15.4-2020: Standard for Low-Rate Wireless Networks". IEEE. 2020. doi:10.1109/IEEESTD.2020.9144691. ISBN 978-1-5044-6689-9.
- ^ "UWB ranging accuracy". IEEE. 2015.
- ^ Win, M.Z.; Scholtz, R.A. (1998). "Impulse Radio: How It Works". IEEE. 2 (2): 36–38. doi:10.1109/4234.660796.
- ^ "Ranging in a dense multipath environment using an UWB radio link". IEEE. 2002.
- ^ "Spectral density of random time-hopping spread-spectrum UWB signals with uniform timing jitter". IEEE. 1999.
- ^ Torrieri, Dan (2005). Principles of Spread-Spectrum Communication Systems (5th ed.). Springer.
- ^ "On the UWB system coexistence with GSM900, UMTS/WCDMA, and GPS". IEEE. 2002.
- ^ "The performance of a direct-sequence spread ultrawideband system in the presence of multipath, narrowband interference, and multiuser interference". IEEE. 2002.
- ^ "On the performance of UWB and DS-spread spectrum communication systems". IEEE. 2002.
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