What does the term attenuation mean in data communication?

Pronunciation

/ˈætənjuːeɪʃən/ 🔊

Part of Speech

Noun

Definition

The reduction of signal strength or amplitude during transmission, often due to the resistance of the transmission medium or distance.

Examples

• The signal attenuation in the cable caused the connection to drop.
• The company used repeaters to compensate for signal attenuation in their network.

Synonyms

• Signal loss
• Amplitude reduction

Antonyms

• Amplification
• Signal boosting

Additional Information

Attenuation is a common issue in data communication, particularly in wireless networks. It can be caused by a variety of factors, including distance, physical barriers, and interference. Compensating for attenuation is crucial to ensure reliable data transmission. In some cases, signal attenuation can be beneficial, such as in noise reduction or signal filtering. However, in most cases, it is undesirable and efforts are made to minimize it.

Attenuation can be measured in decibels (dB) and is typically expressed as a negative value. For example, a signal with an attenuation of -3 dB has decreased in strength by 3 decibels.

Etimology

The term “attenuation” comes from the Latin “attenuare,” meaning “to thin out” or “to make thin.”

Usage Notes

Attenuation is often used in technical contexts, such as electronics, telecommunications, and physics. In general usage, it can refer to any reduction in strength or amplitude.

Cultural References

Attenuation has been referenced in popular culture, such as in films and TV shows that depict communication technology.

Idiomatic Expressions or Phrases

• Signal attenuation
• Signal loss

Related Words or Phrases

• Signal strength
• Amplitude modulation

Collocations

• signal attenuation
• attenuation coefficient

Frequency of Use

Attenuation is a commonly used term in technical contexts, particularly in electronics and telecommunications.

Common Misspellings

• Atenuation
• Attenution