5G New Radio (NR)
5G New Radio (NR) is the wireless standard that will become the foundation for the next generation of mobile networks....
Techplayon Blog
RSSI (Received Signal Strength Indicator)
RSSI represents the total received wide-band power measured over entire bandwidth by UE. RSSI is not reported to eNodeB. It is...
Insertion Loss / Return Loss
Insertion Loss, Return Loss and Attenuation In order to understand losses, study the figure above. Microwave power is sent down...
Structure of the 3GPP NR (5G) Specification
3GPP starts its work on 5G with its first meetings in the US next month. The work item approved by...
5G Frequency Bands
5G Frequency band Spectrum Available Above 24 GHz and Spectrum Available below 6 GHz in China and Japan for FR2...
LTE Overview
LTE (Long Term Evolution) or the E-UTRAN (Evolved Universal Terrestrial Access Network), introduced in 3GPP R8, is the access part...
3GPP Release 8
3GPP release 8 first time introduce LTE Technology. All following releases enhanced the technology to next level. 3GPP release 8...
LTE Layer 3 (RRC Layer) Interview Questions
4G LTE Layer 3 is an important layer includes RRC (Radio Resource Configuration) at UE and Base station. In this...
LTE Layer 2 (MAC,RLC,PDCP) Interview Questions
What is DRX and DRX active period? What channels does it monitor in active period? What is MAC-ContentionResolutionTimer – What...
LTE Layer 1 (Physical Layer) Interview Questions
What is the smallest time measurement unit Ts in LTE? Show the calculation. How many Ts are there in 1...