RF Basics Archives - Techplayon

April 5, 2025

Signal to Interference and Noise Ratio (SINR)

SNIR is a measure of Signal Quantity and Interference and Noise Quantity and it is very important measurement in terms...

Future Network Optimization / LTE / RF Basics / Tech Fundas

February 1, 2025

Hybrid Automatic Repeat Request (HARQ) in LTE FDD

HARQ stands for Hybrid Automatic Repeat Request. HARQ = ARQ + FEC (Forward Error Correction)/Soft Combining. ARQ refers to Automatic Repeat Request...

Future Network Optimization / Interviews / LTE / RF Basics / Tech Fundas

December 8, 2024

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...

5G / 5G Network Planning / Future Network Optimization / LTE / New Radio / NR / RF Basics / Tech Fundas

December 2, 2024

5G NR Network Relationship – Neighbor Planning

In any telecommunication technology starting from 2G to 5G, Neighbor relation or to say Neighbor planning is an important activity....

Future Network Optimization / Interviews / Narrow Band IoT / RF Basics / Tech Fundas / Test Report

May 27, 2020

NB IOT Peak Data Rate Calculation

We have seen in different literature that Narrow Band IOT (NB-IOT) release 13 technology peak downlink data rate is 170...

5G / 5G Network Planning / Interviews / LTE / New Radio / RF Basics / Tech Fundas

February 14, 2020

5G mmWave 28 GHz Band Link Budget – n257

The combination of 5G NR technology and millimeter wave bands pioneer a new level of mobile performance with ultra-high speeds...

5G / 5G Physical Layer / Interviews / LTE / New Radio / NR / RF Basics / Tech Fundas

January 12, 2020

5G NR Antenna Port – Logical and Physical Antenna Mapping

Downlink multi-antenna transmission is a key technology of 5G NR. Signals transmitted from different antennas ports will experience different “radio...