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Category: SmartCities

DevOps – Networking Interview Questions

Networking is an essential skill for DevOps and while setting up a Lab network we need to work with Routers, Switch, hubs, doing IP planning, assigning subnets, traffic sepration using […]

September 23, 2021September 23, 2021 Author DevOps, Interviews, Linux, SmartCities, Tech Fundas, Wireless Testing

5G NR Standardized QoS Identifier (5GQI) to QoS Characteristics Mapping

Standardized 5G QoS Identifier (5QI) values are specified for services that are assumed to be frequently used in 5G networks and thus benefit from optimized signalling by using standardized QoS […]

July 25, 2019July 25, 2019 Author 5G, Future Network Optimization, Interviews, IoT, LTE, NR, SmartCities, Tech Fundas

NB-IoT PRBs (Physcial Resource Blocks) for In-Band Operation

NB-IoT or NB-LTE is a new 3GPP radio-access technology. NB-LTE requires 200 kHz minimum system bandwidth for both downlink and uplink, respectively. The choice of minimum system bandwidth enables a […]

July 13, 2019July 23, 2020 Author Future Network Optimization, Interviews, IoT, LOW Power WAN, Narrow Band IoT, SmartCities, Tech Fundas

NB-IoT Chipset Market: Increasing Demand for Connected Environment

The global NB-IoT chipset market is expected to register a global CAGR of 40.8% during 2018 – 2028, with Western Europe and North America in conjunction accounting for approximately 30% market value […]

February 26, 2019July 8, 2020 Author IoT, LTE, Market Report, SmartCities, Tech Fundas

LoRa – Device Re-activation Call Flow (Rejoin Procedure)

LoRa Technology supports the handling and configuration of rejoin-requests for LoRa End Devices. Using a rejoin-request, a device is able to request the network-server to re-activate, without being ‘disconnected’ until […]

October 14, 2018July 8, 2020 Author 5G, Future Network Optimization, Interviews, IoT, LoRa, NR, SmartCities, Tech Fundas

LoRa – Device Activation Call Flow (Join Procedure) using OTAA and ABP

When a new End Device (LoRa Device) is added to a LoRa network, it should go through an activation process. Through the activation process, both session keys are shared between the […]

October 11, 2018July 8, 2020 Author Beacons, IoT, LoRa, LOW Power WAN, SmartCities, Tech Fundas

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

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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