Tag: Contention

The IFS of Wi-Fi

The IFS of Wi-Fi

What does “half-duplex” mean anyway? Simply put, communication can only happen in one direction at a time.

Wi-Fi devices are much like people. We talk by generating noise, with our mouth. We listen to generated noise with our ears. Yet, because we all use the same frequency range for talking, we cannot comprehend if multiple people talk at the same time. Wi-Fi devices work similarly. If two devices try to transmit data at the same time, a collision will occur and neither device will comprehend the other. Continue reading “The IFS of Wi-Fi”