Precise Location Technology Based on Chirp Spread Spectrum
Yan Zhang
Abstract
Yan Zhang
Abstract
This article introduces chirp spread spectrum technology (CSS for short), and location algorithm is optimized. Symmetric double-sided two way ranging technique (SDS–TWR for short) is applied to improve measurement accuracy and range. Linear frequency modulation ranging technology uses protocols combining CSMA / CA and TDMA, and adjusts dynamically transmission rate and frame length according to noise, interference and multipath to ensure optimal throughput and accurate distance information. System has anti-jamming capability and covers great distance.
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This article introduces chirp spread spectrum technology (CSS for short), and location algorithm is optimized. Symmetric double-sided two way ranging technique (SDS–TWR for short) is applied to improve measurement accuracy and range. Linear frequency modulation ranging technology uses protocols combining CSMA / CA and TDMA, and adjusts dynamically transmission rate and frame length according to noise, interference and multipath to ensure optimal throughput and accurate distance information. System has anti-jamming capability and covers great distance.
Key concepts: Chirp spread spectrum, Ranging, Multipath interference, Chirp, Transmission (telecommunications), Multipath propagation, Computer science, Direct-sequence spread spectrum