Datenblatt-Suchmaschine für elektronische Bauteile |
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RFM95 Datenblatt(PDF) 38 Page - HOPE Microelectronics CO., Ltd. |
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RFM95 Datenblatt(HTML) 38 Page - HOPE Microelectronics CO., Ltd. |
38 / 121 page Page 38 RFM95/96/97/98(W) Tel: + 86-755-82973805 Fax: + 86-755-82973550 E-mail: sales@hoperf.com http:/ / www.hoperf.com WIRELESS & SENSING PRELIMINARY DATASHEET Channel Activity Detection The use of a spread spectrum modulation technique presents challenges in determining whether the channel is already in use by a signal that may be below the noise floor of the receiver. The use of the RSSI in this situation would clearly be impracticable. To this end the channel activity detector is used to detect the presence of other LoRaTM signals. Figure 10 shows the channel activity detection (CAD) process: Figure 10. LoRa TM CAD flow |
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Ähnliche Beschreibung - RFM95 |
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