802.11g MAC Timings
=======================


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        **What are MAC timings in IEEE 802.11g?**

        MAC timings define intervals like SIFS, DIFS, and backoff times that coordinate wireless transmission scheduling.

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        **What is SIFS and why is it important?**

        Short Interframe Space (SIFS) is the shortest wait time used before sending acknowledgments or CTS frames, ensuring priority.

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        **How does DIFS differ from SIFS?**

        Distributed Interframe Space (DIFS) is longer than SIFS and is used by stations before transmitting data frames.

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        **What is the purpose of backoff timers in MAC?**

        Backoff timers reduce collisions by randomizing transmission attempts after the medium becomes idle.

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        **How does the contention window relate to MAC timings?**

        It defines the range for random backoff intervals, which changes dynamically to avoid repeated collisions.

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        **What is PIFS and when is it used?**

        Point Coordination Function Interframe Space (PIFS) has priority between SIFS and DIFS, used mainly by access points to gain medium access.

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        **How do MAC timings support Quality of Service (QoS)?**

        By adjusting interframe spaces (like AIFS) and contention windows to prioritize traffic types.

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        **Are MAC timings the same for all 802.11 standards?**

        No, timings vary slightly depending on the standard and frequency band.

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        **What happens if MAC timings are not properly adhered to?**

        Increased collisions, reduced throughput, and possible communication failures.

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        **Where can I find official MAC timing specifications for 802.11g?**

        In the IEEE 802.11g standard documents and related technical references.


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        Topics in this section,

                * :ref:`Reference links <mac_timings_g_step17>`


.. _mac_timings_g_step17:

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    .. tab-item:: Reference links
     
       * Reference links