Tag: Narrow Band LTE
NB-IOT UE Attach Call Flow Messaging
When a NB-IOT UE accesses a cell, it follows the same principle as for LTE: It first searches a cell on an appropriate frequency. Decode NPSS and NSSS for NCellID. […]
NB-IOT Synchronization Signals (NPSS and NSSS)
The NPSS and NSSS helps 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 […]
NB IOT Cat. NB1 and Cat. NB2 Devices Comparison
Narrow Band IoT specifications was first introduced in 3GPP release 13 and then further enhanced in 3GPP release 14 with some essential features. Release 13 NB-IoT device category is referred […]
Narrow Band IoT Frame Structure
NB- IoT frame structure is illustrated in below picture. At the highest level, it starts with hyperframe cycle where one hyperframe cycle has 1024 hyperframes and each consisting of 1024 […]
Samsung’s Exynos i S111 a New NB-IoT Modem
Samsung , the world leader in semiconductor and telecommunication has announced its new narrow band IoT (NB-IoT) chip set modem named as, Exynos i S111. Exynos i S111 is an LTE […]
NB-IoT Frequency Bands (As per 3GPP Rel. 13, 14 and 15)
3GPP has defined a set of frequency bands for which NB-IoT can be used. 3GPP TS 36.101 from Release 13 provides the list of the supported bands: 1, 2, 3, 5, […]
Narrow Band (NB) -IoT Modem Chip Vendors
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, […]
IoT Access Technologies
IoT Access Technology is spread across licensed and unlicensed spectrum and there are several number of Radio technologies.At high these access can be classified in two categories: Non –Cellular Technologies […]
Narrow Band LTE- NB-IoT
NB-IoT or NB-LTE is a new 3GPP radio-access technology. It is not fully backward compatible with existing 3GPP devices however it is designed to achieve excellent co-existence performance with legacy […]