Abstract
IEEE 802.11ah is considered as a promising and scalable solution for
connecting a large number of drones. With the support of sub-1GHz
channel bands, relay, and group-based channel access mechanism, 802.11ah
can help drone stations for collecting commands, sending data, and
processing response to the control room. However, achieving required
throughput and latency is still challenging due to high mobility and
dynamic relaying requirement. This article proposes an IEEE
802.11ahbased Internet-of-Drones (IoD) architecture for surveillance and
remote control. Our scheme predicts the location of a drone and places
the required association and channel access configuration to a relay
node dynamically. Moreover, the current mode of a drone station is
switched to relay from station as per the location. The relay nodes use
transmission opportunity (TXOP) with implicit acknowledgement to
increase the efficiency of the network. The performance analysis shows
significant improvement in terms of throughput and latency.