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 […]
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 […]
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 […]
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 […]
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 […]
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 […]
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 […]
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, […]