Half Duplex Transmission vs. Full Duplex Transmission

Key Differences

Comparison Chart

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Half Duplex mode of transmission is the kind of communication mode that supports two-way communication but with delay. Data can travel only in one direction at a time.

Full-Duplex mode of transmission is the advanced communication mode that is bidirectional. Data can be sent and received from both directions at the same time.

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Real-life Examples

Walkie-talkie. Text message

Instant Chat rooms, Audio Video Calls.

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Performance

Better performance than simplex but not efficient as full duplex.

Better performance from both simplex and half duplex.

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End to End Communication

Data can be sent or received at a time.

Data can be sent and received simultaneously.

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Direction of Data

Bidirectional but once at a time.

Bi-directional communication instantaneously.

Samantha Walker

Feb 20, 2023

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Half Duplex Transmission vs. Full Duplex Transmission

Data transmission modes are basically of three types based on data speed, channel, and delivery. They are also termed as data transmission modes. Half-duplex transmission mode comprises of bidirectional communication but uses a single channel. The data can be sent or received in half-duplex transmission at a time. Whereas the full-duplex transmission mode is advanced of all supporting two-way data delivery at the same time. Data can be sent and received both at the same time.

What is Half Duplex Transmission?

The half Duplex mode of transmission is the kind of communication mode that supports two-way communication but with delay. Data can travel only in one direction at a time. It comprises of a single channel for both sending and receiving the data. Common examples of half-duplex transmission mode include communication via Walkie-talkie. Text message services on the cellular network are kind of half-duplex communication. Half-duplex modes are still in use publicly but are being replaced by full-duplex modes being more efficient and user-friendly.

What is Full Duplex Transmission?

Full-Duplex mode of transmission is the advanced communication mode that is bidirectional. Data can be sent and received from both directions at the same time. It comprises of dedicated channels for both sending and receiving. Common examples of full-duplex transmission mode include telephonic call communication. A modern-day example includes video calling, instant chatrooms, etc. The full-duplex data transmission mode is better in performance from both simplex and half-duplex and is based on the latest technology. Unlike the simplex mode of transmission, full-duplex has two different data communication channels established for smooth data sending and receiving both. Nowadays data and communication are happening via multiple channels and data is transmitted in multiple directions at the same time.

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