Large-capacity anti-interference ultra-wideband positioning method based on narrowband communication assistance

The invention provides a large-capacity anti-interference ultra-wideband positioning method based on narrowband communication assistance, which generates an ultra-wideband positioning signal assisted by narrowband communication to position a target node, and is characterized in that the ultra-wideband positioning signal is divided into a pilot frequency unit and a data unit, the data unit comprises networking information such as network entry and exit control, node identity and the like, and is transmitted by a narrowband communication signal; the pilot frequency unit aims to complete acquisition of positioning information such as time delay estimation and angle measurement, and the positioning information is still transmitted through ultra-wideband signals with high measurement precision. Therefore, ultra-short frame positioning signal design is realized, the number of users is increased, and high-capacity positioning is completed; the incoherent integration time is prolonged, the demodulation threshold is r