What parameters impact the EVM of transmitter chain ?
The error vector magnitude or EVM is a measure used to quantify the performance of a digital radio transmitter or receiver. A signal sent by an...
5G / LTE / New Radio / NR / RF Basics / TDD LTE / Tech Fundas / Test Report / Wi-Fi
by Author · Published June 1, 2019
The error vector magnitude or EVM is a measure used to quantify the performance of a digital radio transmitter or receiver. A signal sent by an...
5G / Interviews / LTE / Tech Fundas / Voice Services / VoLTE
by Author · Published May 19, 2019 · Last modified July 21, 2020
ROHC is a header compression protocol/algorithm that can be used compress the header of different IP packets. In normal case...
TTI Bundling TTI bundling enables a data block to be transmitted in consecutive TTIs, which are packed together and treated...
Future Network Optimization / Interviews / LTE / RF Basics / Tech Fundas
by Author · Published April 25, 2019 · Last modified July 21, 2020
UEs can be either in RRC_CONNECTED or RRC_IDLE mode. UEs will be declared as RRC_IDLE if there is no RRC...
5G / 5G Core / Cloud Computing / Future Network Optimization / Interviews / LTE / NR / Tech Fundas
by Author · Published February 17, 2019 · Last modified July 10, 2020
CUPS means Control and User Plane Separation of EPC nodes and provides the architecture enhancements for the separation of functionality in the Evolved...
Reference Sensitivity The LTE reference sensitivity power level is the minimum mean power received at the antenna connector at which...
Future Network Optimization / Interviews / LTE / Tech Fundas
by Author · Published November 16, 2018
Global Mobile Supplier Association (GSA) has provided a list of LTE devices which is capable to support eMBMS feature. The...
LTE / Narrow Band IoT / RF Basics
by Author · Published October 5, 2018 · Last modified July 23, 2020
NPBCH stands for narrow band physical broadcast channel similar to PBCH in LTE Technology. The NPBCH is used to deliver...
5G / Future Network Optimization / LTE / NR
by Author · Published September 30, 2018 · Last modified July 21, 2020
Licensed-assisted access (LAA) is a 3GPP enhancement of Long-Term Evolution (LTE) to allow cellular network operators to offload some of...
5G / Future Network Optimization / IoT / LTE / Tech Fundas
by Author · Published September 17, 2018 · Last modified July 23, 2020
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...