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The main physical reason for the failure of many medium access control (MAC) schemes in wireless networks is the challenge of managing interference and ensuring fair resource allocation among multiple users. In wireless environments, signals can overlap and interfere due to factors like signal attenuation, fading, and the broadcast nature of radio waves. This leads to issues like collisions and unfair access, particularly in scenarios with high traffic or variable channel conditions, ultimately degrading network performance. Additionally, many MAC protocols may not effectively adapt to the dynamic nature of wireless environments, further exacerbating these challenges.

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2mo ago

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