LoRa 的技术特点、测试和解决方案.pdf

LoRa 的技术特点、测试和解决 Junru Zhang 方案 Wireless AE 2016 Agenda – LoRa Features – LoRa Measurement Platform – LoRa Tx Test – LoRa Rx Test – Low power consumption test – Keysight Solution for IoT page 2 LoRa Features Long Range Max Lifetime Multi-Usage Low Cost  Greater than cellular  Low Power optimized  High capacity  Minimal Infrastructure  Deep indoor coverage  10-20yr lifetime  Multi-tenant  Low cost end-node  Star topology  10x vs cellular M2M  Public network  Open SW LPWN Symposium Page 3 LoRa Features Basic Introduction – Lora™ is a proprietary spread spectrum modulation scheme, trading data rate against sensitivity. • Works much closer to the Shanon theoritical limit • Breaks the traditional implemetnation limit of FSK narow band systems LPWN Symposium Page 4 LoRa Features Frequency band – Supported SF are: • SF6, SF7, SF8, SF9, SF10, SF11, SF12 – Supported BW are: • 7.8kHz, 10.4kHz, 15.6kHz, 20.8kHz, 31.2kHz, 41.7kHz, 62.5kHz, 125kHz, 250kHz, 500kHz – Supported CR are: • CR1