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what is LoRa spread spectrum technology?

pubdate:2018/08/14 11:21:00      posted by:      visit times:247

LoRa is a new data transmission technology with ultra long-range and low-power based on 1 GHz or below developed by Semtech. This technology uses special spread-spectrum modulation technology to greatly improve the performance of physical layer communication, and its power saving capability has been significantly improved compared to GSM and traditional Sub-GHz technology. LoRa uses a special spread spectrum technique, which allows terminals of different spreading sequences to not interfere with each other even if they transmit simultaneously using the same frequency. The concentrator/gateway developed on this basis can receive and process data of multiple nodes in parallel, greatly expanding the system capacity. The ranging and positioning functions based on this technology will promote its applications in the field of Internet of Things.



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