LTE Overview
LTE (Long Term Evolution) or the E-UTRAN (Evolved Universal Terrestrial Access Network), introduced in 3GPP R8, is the access part...
Monthly Archive: April 2016
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...
MASTER INFORMATION BLOCK (MIB)
MASTER INFORMATION BLOCK (MIB) is the broadcast information transmitted by eNodeB at periodically. After Decoding the PSS and SSS information...
4G LTE EUTRAN Bands
LTE Bands and Available Bandwidth Band Uplink-fmin Uplink-fmax Downlink-fmin Downlink-fmax Available Bandwidth Duplex Mode Remark 1 1920 MHz 1980 MHz...
PSS and SSS (LTE Synchronization)
PSS and SSS (LTE Synchronization) After power-up, the UE tries to obtain time and frequency synchronization with the system. For this,...
dB , dBm Terminology
I keep seeing people using the terms “dB” and “dBm”, interchangeably, when they actually mean very different things. So, here’s...