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There are a number of wireless technologies available for the Internet of things. These are mainly divided into two categories: Short Range (Zigbee, WiFi, Bluetooth, Z wave) Long Range (LoRa,SigFox, NB-IoT ) NB – IoT refers to the technology of the narrowband Internet of things a cellular IoT technology developed as part of 3GPP Release…
Samsung, the world leader in semiconductor and telecommunication has announced its new narrowband IoT (NB-IoT) chipset modem named as Exynos I S111. Exynos I S111 is an LTE modem integrated NB-IoT solution that delivers a reliable wide range communication with ultimate power efficiency for lower data rate IoT application. This device includes Modem, RF IC, CPU,…
NPBCH stands for narrowband physical broadcast channel similar to PBCH in LTE Technology. The Narrow Band-Physical Broadcast Channel (NPBCH) is used to deliver the NB-IoT Master Information Block (MIB), which provides essential information for the NB-IoT UE to operate in the NB-IoT network. Narrow Band-Physical Broadcast Channel (NPBCH) uses a 640 ms TTI, but within…
The NPSS and NSSS help UE to synchronize downlink to an NB-IoT cell. These are transmitted in certain subframes based on an 80-ms repetition interval. By synchronizing to NPSS and NSSS, the device will be able to detect the cell identity number (NB-IOT PCI). NPSS and NSSS are designed to allow devices to use a…