802.11aq Physical Rates
=========================


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        **What are the supported physical data rates in IEEE 802.11aq?**

        802.11aq supports multiple physical data rates inherited from underlying 802.11 standards like 802.11ax, including rates from a few Mbps up to several Gbps depending on band and channel width.

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        **How does 802.11aq determine which physical rate to use?**

        Rate adaptation algorithms dynamically select the optimal physical rate based on signal quality and channel conditions.

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        **Does 802.11aq support OFDMA for physical rate improvement?**

        Yes, 802.11aq leverages OFDMA from 802.11ax to improve efficiency and physical layer throughput.

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        **What modulation schemes are used to achieve different physical rates in 802.11aq?**

        Modulation schemes include BPSK, QPSK, 16-QAM, 64-QAM, 256-QAM, and up to 1024-QAM depending on the PHY version.

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        **How does channel bandwidth affect physical rates in 802.11aq?**

        Wider channels (e.g., 40 MHz, 80 MHz, 160 MHz) enable higher physical rates due to increased data capacity.

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        **Are physical rates fixed or adaptive in 802.11aq?**

        They are adaptive; the device selects the best rate to balance speed and reliability.

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        **How is physical rate information conveyed in 802.11aq packets?**

        Rate information is specified in the SIGNAL field of the PHY header.

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        **Can 802.11aq devices operate at legacy rates?**

        Yes, to maintain backward compatibility with older devices.

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        **What role do coding rates play in physical rate determination?**

        Coding rates (e.g., 1/2, 3/4) affect error correction and thus the effective physical data rate.

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        **Does 802.11aq support MIMO to increase physical rates?**

        Yes, multiple-input multiple-output (MIMO) techniques are used to boost data throughput.

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        **How do environmental factors influence physical rates in 802.11aq?**

        Signal interference, distance, and obstacles can reduce the achievable physical rate.

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        **Are physical rates symmetrical for transmit and receive in 802.11aq?**

        Not necessarily; transmit and receive rates can differ based on channel conditions.

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        **What is the maximum physical rate achievable with 802.11aq?**

        Depending on the PHY version (e.g., 802.11ax), rates can reach several Gbps with the highest modulation and channel width.

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        **How does 802.11aq handle physical rate selection during handoff?**

        The device re-evaluates link quality and may adjust rates to maintain optimal throughput.

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        **Is rate adaptation standardized in 802.11aq?**

        Rate adaptation mechanisms follow underlying 802.11 PHY standards, but 802.11aq does not mandate a specific algorithm.

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        **How does power control relate to physical rates in 802.11aq?**

        Adjusting transmit power helps maintain link quality, indirectly influencing achievable rates.

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        **Do physical rates affect battery consumption in 802.11aq devices?**

        Higher physical rates can reduce transmission time and thus save battery, but require better signal conditions.

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        **Can 802.11aq physical rates be manually configured?**

        Typically no; devices use automatic rate adaptation for best performance.


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        Topics in this section,

                * :ref:`Learnings in this section <physical_rates_step1>`

                * :ref:`Terminology <physical_rates_step2>`

                * :ref:`Version Info <physical_rates_step3>`

                * :ref:`physical_rates Basic Setup on Ubuntu using IPv4 <physical_rates_step18>`

                * :ref:`Reference links <physical_rates_step17>`

.. _physical_rates_step1:

.. tab-set::

    .. tab-item:: Learnings in this section

        * In this section, you are going to learn

.. _physical_rates_step2:

.. tab-set::

    .. tab-item:: Terminology
        
       * Terminology


.. _physical_rates_step3:

.. tab-set::

    .. tab-item:: Version Info
    
         * Version Info
 

.. _physical_rates_step18:

.. tab-set::

    .. tab-item:: physical_rates Basic Setup on Ubuntu using IPv4

       * setup


.. _physical_rates_step17:

.. tab-set::

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