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Category: IoT

LoRa- (Long Range) Network and Protocol Architecture & Frame Structure

LoRa is Long Range ,low data rate, low power wireless platform technology for building IoT network. It uses unlicensed radio spectrum in the Industrial, Scientific and Medical (ISM) bands to enable communication between […]

October 10, 2018July 8, 2020 Author 5G, IoT, LoRa, LOW Power WAN, SmartCities, Tech Fundas

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. […]

October 9, 2018July 23, 2020 Author 5G, IoT, LTE, Narrow Band IoT, Tech Fundas

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 […]

October 5, 2018July 23, 2020 Author IoT, LTE, Narrow Band IoT, Tech Fundas

Citizens Broadband Radio Service, Frequency Spectrum, Operation Modes

Citizens Broadband Radio Service (CBRS) is a 150 MHz wide broadcast band in  3.5 GHz band  starting from 3550 MHz to 3700 MHz. The Federal Communications Commission (FCC) regulates interstate and international communications by radio, […]

September 17, 2018July 23, 2020 Author 5G, Future Network Optimization, IoT, LTE, Tech Fundas

Citizens Broadband  Radio Service Device(CBSD), Its Types and OEMs

Citizens Broadband  Radio Service Device(CBSD): As per FCC, an eNodeB which is capable to support CBRS band is referred as Citizens Broadband Radio Service Device. LTE band B42 and B43 […]

September 17, 2018July 23, 2020 Author 5G, Future Network Optimization, Interviews, IoT, LTE, TDD LTE, Tech Fundas

Maximum Coupling Loss (MCL) and Maximum Path Loss (MPL)

Maximum Coupling Loss has been chosen by 3GPP as the metric to evaluate coverage of a radio access technology. In theory, it can be defined as the maximum loss in […]

September 7, 2018July 21, 2020 Author Interviews, IoT, LTE, Narrow Band IoT, Tech Fundas

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 […]

August 27, 2018July 23, 2020 Author IoT, LTE, Narrow Band IoT, Tech Fundas

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 […]

August 25, 2018July 23, 2020 Author 5G, Interviews, IoT, LTE, Narrow Band IoT, SmartCities, Tech Fundas

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 […]

August 23, 2018July 23, 2020 Author 5G, Beacons, IoT, LTE, Narrow Band IoT, SmartCities, Tech Fundas

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, […]

August 20, 2018July 23, 2020 Author 5G, Interviews, IoT, LTE, Narrow Band IoT, SmartCities, Tech Fundas

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