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Tag: LTE

PLMN Selection in LTE (Idle Mode Action)

UEs can be either in RRC_CONNECTED or RRC_IDLE mode. UEs will be declared as RRC_IDLE if there is no RRC connection between the UEs and the eNodeB and RRC_Connected when […]

April 25, 2019July 21, 2020 Author Future Network Optimization, Interviews, LTE, RF Basics, Tech Fundas

Control and User Plane Separation for Next Generation EPC

CUPS means Control and User Plane Separation of EPC nodes and provides the architecture enhancements for the separation of functionality in the Evolved Packet Core’s SGW, PGW and TDF. This enables flexible network […]

February 17, 2019July 10, 2020 Author 5G, 5G Core, Cloud Computing, Future Network Optimization, Interviews, LTE, NR, Tech Fundas

LTE Reference Sensitivity Calculation, How it depends on SNR, why throughput decrease at the Cell edge?

The LTE reference sensitivity power level is the minimum mean power received at the antenna connector at which a throughput shall be ≥ 95% of the maximum throughput for a […]

November 26, 2018November 27, 2018 Author LTE, RF Basics

eMBMS Devices List, Model, Chipset and Middleware Details

Global Mobile Supplier Association (GSA) has provided a list of LTE devices which is capable to support eMBMS feature. The eMBMS device are not some special device, these are similar […]

November 16, 2018November 16, 2018 Author Future Network Optimization, Interviews, LTE, Tech Fundas

NB-IOT – Physical Broadcast Channel (NPBCH)

NPBCH stands for narrow band physical broadcast channel similar to PBCH in LTE Technology. The NPBCH is used to deliver the NB-IoT Master Information Block (MIB), which provides essential information […]

October 5, 2018July 23, 2020 Author LTE, Narrow Band IoT, RF Basics

What is LTE-LAA and its co-existence with other technologies

Licensed-assisted access (LAA) is a 3GPP enhancement of Long-Term Evolution (LTE) to allow cellular network operators to offload some of their data traffic by accessing the unlicensed 5 GHz frequency […]

September 30, 2018July 21, 2020 Author 5G, Future Network Optimization, LTE, NR

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

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

Amplifier Efficiency Concept, How Envelope Tracking (ET) helps better efficiency to Power Amplifiers?

Envelope tracking (ET) describes an approach to radio frequency (RF) amplifier design in which the power supply voltage applied to the RF power amplifier is continuously adjusted to ensure that the amplifier is operating at peak efficiency for […]

September 2, 2018September 3, 2018 Author 5G, LTE, RF Basics, 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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