Fig 1.
Tri-Band Wi-Fi AP using IEEE 802.11ah for home automation.
Fig 2.
IEEE 802.11ah registration procedure [14].
Fig 3.
IEEE 802.11 MAC architecture.
Fig 4.
IEEE 802.11ah MAC architecture.
Fig 5.
The distribution of RAW structure between signalling.
Fig 6.
CW size against retransmission attempt.
Fig 7.
Backoff process of conventional BEB.
Fig 8.
The backoff stage resetting process used in PRSCA.
Fig 9.
The proposed PRSCA backoff algorithm.
Fig 10.
A 2-D Markov chain model of the proposed PRSCA backoff algorithm.
Table 1.
The MATLAB simulation parameters.
Table 2.
Data rates of different MCS for 2 MHz channel using 8 μs guard interval.
Fig 11.
CW growth and reset against number of successive failure and succesful transmission.
Fig 12.
(a) fifth BOS, where m = 4; (b) seventh BOS, where m = 6.
Fig 13.
Normalized saturation throughput.
(a) fifth BOS, where m = 4; (b) seventh BOS, where m = 6.
Fig 14.
Throughput for different algorithms considering MCS0/MCS2.
(a) At fifth BOS, where m = 4, indicated by hollowed markers with solid and dashed curves, respectively; (b) At seventh BOS, where m = 6, indicated by filled markers with solid and dashed curves, respectively.
Fig 15.
Throughput for different algorithms considering MCS6/MCS8.
(a) At fifth BOS, where m = 4, indicated by hollowed markers with solid and dashed curves, respectively; (b) At seventh BOS, where m = 6, indicated by filled markers with solid and dashed curves, respectively.
Fig 16.
(a) At fifth BOS, where m = 4, indicated by hollowed markers with solid and dashed curves, respectively; (b) At seventh BOS, where m = 6, indicated by filled markers with solid and dashed curves, respectively.
Fig 17.
(a) At fifth BOS, where m = 4, indicated by hollowed markers with solid and dashed curves, respectively; (b) At seventh BOS, where m = 6, indicated by filled markers with solid and dashed curves, respectively.