Showing posts with the label microwave

Introduction to CPRI Interfaces for 5G Base Stations

We used to post What is CPRI (Common Public Radio Interface)? article ready. This post introduce t…

What is Mean Square Error for Microwave Links ?

Mean Square Error (MSE) is similar to Signal-to-Noise Ratio (SNR) except that it accounts for disto…

Why use Space Diversity in Microwave Links?

Long distance Microwave Links often use Space Diversity to ensure reliable communications between t…

What is QAM in Radio Microwave Link?

Quadrature amplitude modulation (QAM) including 16QAM, 32QAM, 64QAM, 128QAM, 256QAM, 512QAM, 1024Q…

What is Rain Fade on Microwave Links?

Rain fade refers primarily to the absorption of a microwave radio frequency (RF) signal by atmosphe…

What are Advantage and Disadvantage FDD and TDD in Microwave Transmission?

Microwave links typically use Frequency-division duplexing (FDD) which is a method for establishing…

What is Adaptive Coding and Modulation ACM in Radio Microwave Link?

Adaptive Coding and Modulation or Link adaptation is a term used in wireless communications to deno…

What are ODU (Outdoor Unit) functions in Digital Microwave Link?

The term ODU is used in Split-Mount Microwave systems where an Indoor Unit (IDU) is typically mount…

What is OMT for outdoor (ODU) in microwave hardware installation?

The orthogonal mode transducer (OMT) is the short name for the polarized hybrid coupler. The OMT is…

Why do we use towers instead of satellites for cellphones?

It takes far more energy to upload a signal from a phone to a satellite than from a phone to a cell…

What is hybrid coupler for outdoor (ODU) in microwave hardware?

The hybrid coupler is the short name for the RF signal combiner/divider. The hybrid coupler is used…

How to calculate Receive Level Point to Point of Microwave Link

In post How to calculate Fresnel Zone in Microwave System , talked about formula to calculate Link…

Influence of Ground Reflection on Receiving Level in Digital Microwave

The previous post used to introduce  Fresnel Zone and  How to calculate Fresnel Zone in Microwave…

Introduction to Plesiochronous Digital Hierarchy (PDH)

PDH Microwave Hardware IDU and ODU The signals are actually used in the practical communicati…

How to calculate Fresnel Zone in Microwave System

Microwave communication is kind of Line of Sight communication (LOS) and Transmitting power withou…

Introduction to Digital Microwave System Equipment Classification

Microwave is electromagnetic wave with frequency from 300MHz to 300GHz and it is a finite frequenc…

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