802.11aq MAC Functions

What are MAC functions in IEEE 802.11aq?

MAC functions in 802.11aq manage medium access control, frame formatting, and service discovery procedures at the MAC layer.

How does the MAC layer support service discovery in 802.11aq?

It enables pre-association querying and advertisement of network services through specialized management frames.

What is the role of MAC layer frame formats in 802.11aq?

They define how discovery, query, and response messages are structured for interoperability across devices.

Does 802.11aq MAC support new management frames?

Yes, it introduces new management frames to support enhanced service discovery and advertisement.

How does the MAC layer handle timing for service discovery?

It uses standardized timing intervals and coordination to ensure efficient and collision-free discovery.

What mechanisms in MAC ensure reliable frame delivery in 802.11aq?

Retransmission strategies, acknowledgments, and error checking ensure frame integrity and delivery.

How does the MAC layer coordinate medium access in 802.11aq?

It uses CSMA/CA protocols and backoff algorithms to manage fair access to the wireless medium.

Are there power-saving features in the 802.11aq MAC?

Yes, the MAC coordinates sleep and wake cycles during service discovery to optimize power use.

How does MAC support roaming in 802.11aq?

By facilitating quick discovery and reassociation with APs using pre-association service info.

What role does the MAC layer play in security for 802.11aq?

It manages authentication and encryption processes for secure communication, including during discovery.

How are QoS functions handled at the 802.11aq MAC layer?

The MAC prioritizes traffic and manages access categories to ensure quality of service for critical data.

Does 802.11aq MAC support vendor-specific extensions?

Yes, it allows extensions but ensures core MAC functions remain compatible for interoperability.

How does MAC handle fragmentation and reassembly in 802.11aq?

It breaks large frames into smaller fragments and reassembles them at the receiver to improve reliability.

What MAC parameters are important for channel access in 802.11aq?

Parameters like contention window size, interframe spacing, and retransmission limits control access fairness.

How does the MAC layer support multi-AP environments in 802.11aq?

It coordinates discovery and communication among multiple APs to prevent collisions and ensure smooth handoff.

What is the MAC layer’s role in managing acknowledgments in 802.11aq?

The MAC ensures positive acknowledgment of received frames to trigger retransmissions if needed.

How does the MAC layer handle broadcast and multicast frames in 802.11aq?

It uses special mechanisms to efficiently deliver these frames while minimizing channel congestion.

What is the impact of MAC timing synchronization on 802.11aq interoperability?

Precise timing ensures devices can coordinate transmissions and discovery without interference.

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