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...
Category: RF Basics
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 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...
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....
5G NR Transmitted Signal Quality : Frequency Error [Fe]
Transmitted signal quality specify how much the transmitted signal deviated from an ideal signal in terms of frequency domain, timer...
5G NR Base Station Types
Introduction to 3GPP Base Station As per 3GPP specification TS 38.104, the NR Base Station can be classified in following...
What is directivity in a coupler ?
Directional couplers are four-port circuits where a defined amount of the electromagnetic power fed at the input port in a...
What is the difference between co-located BTS and co-existed BTS and explain the required 3GPP compliance
Co-existence with other systems The manufacturer shall declare whether the BS under test is intended to operate in geographic areas...
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...
How to get better ACLR in TX chain ?
If you are trying to debug the bad ACLR in TX Chain or you are designing a TX for your...