Showing posts with the label radio wave

OFDM, The basics of 5G’s modulation

Orthogonal frequency-division multiplexing has become the standard modulation format for 5G New Rad…

What is Voltage Standing Wave Ratio(VSWR) in Radio Frequency?

Standing waves are an important issue when looking at feeders / transmission lines, and the standin…

what is Single mode and Multimode fiber Optic cable?

Although single mode fiber (SMF) and multimode fiber cable (MMF) are widely used in diverse applica…

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…

How does phone send your voice to another phone?

In the simplest version of a telephone, it doesn't record anything or convert it to radio waves…

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…

What is CPRI (Common Public Radio Interface)?

CPRI (Common Public Radio Interface) is a specification for wireless communication networks that de…

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