3. Description of the MAC layer of the HaLow Wi-Fi protocol
The MAC layer provides encapsulation and addressing functions, media access control, association and authentication of stations to the network. It inherits most of the features and mechanisms of 802.11. Modifications have been made to optimize M2M communications, support larger numbers of stations and improve the energy balance of communications. To achieve this, four mechanisms have been created or enhanced from 802.11:
AID (Association ID);
TIM (Target Indication Map) ;
RAW (Restricted Access Window);
TWT (Target Wake Time).
3.1 802.11ah network architecture
An 802.11ah network consists of several...
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Description of the MAC layer of the HaLow Wi-Fi protocol
802.11ah protocol energy optimization mechanisms
Bibliography
Standards and norms
IEEE standard for information technology-telecommunications and information exchange between systems – local and metropolitan area networks-specific requirements – part 11: Wireless lan medium access control (mac) and physical layer (phy) specifications amendment 2: Sub 1 ghz license exempt operation. IEEE Std 802.11ah-2016 (Amendment to IEEE Std 802.11-2016, as amended by IEEE Std 802.11ai-2016), pp. 1-594 (2017)....
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