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 / Cloud Computing / Future Network Optimization / Interviews / LTE / New Radio / NFVI / Tech Fundas
by Author · Published May 30, 2019 · Last modified July 21, 2020
A Network Function (NF) is an element within a network with well defined external interfaces and functional behavior e.g. DHCP...
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...
If you are trying to debug the bad ACLR in TX Chain or you are designing a TX for your...
Interviews / LTE / RF Basics / Tech Fundas
by Author · Published May 5, 2019 · Last modified July 21, 2020
Cell Selection and Re-selection: After selecting a PLMN, a UE selects a cell in the PLMN to camp on. After...
5G / 5G NR / LTE / New Radio / NR / Tech Fundas
by Author · Published March 2, 2019 · Last modified July 10, 2020
In 5G New Radio the cell bandwidth is expected to be large compared to LTE, but a UE’s receive and...
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...
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...
5G / Interviews / LTE / New Radio / NR / Tech Fundas
by Author · Published October 29, 2018 · Last modified July 10, 2020
Logical Channel Definition : Medium Access Control (MAC) Layer of NR provides services to the Radio Link Control (RLC) Layer...
Future Network Optimization / LTE / RF Basics / Tech Fundas
by Author · Published October 18, 2018 · Last modified July 21, 2020
HARQ stands for Hybrid Automatic Repeat Request. HARQ = ARQ + FEC (Forward Error Correction)/Soft Combining. ARQ refers to Automatic Repeat Request...