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Guaranteed time slot trade-off in QOS improvement with IEEE standard 802.15.4 for wireless sensor networks at the MAC layer

International Journal on Smart Sensing and Intelligent Systems
Volume 13 (2020): Issue 1 (January 2020)
By:
Open Access
|Aug 2020

Figures & Tables

Figure 1:

Networks – (A) With GTS, (B) mixed, (C) without GTS.
Networks – (A) With GTS, (B) mixed, (C) without GTS.

Figure 2:

Superframe structure (Koubaa et al., 2007).
Superframe structure (Koubaa et al., 2007).

Figure 3:

Flow Chart: Working of GTS, non-GTS, and mixed sensor networks.
Flow Chart: Working of GTS, non-GTS, and mixed sensor networks.

Figure 4:

Network output load: (A) PAN coordinator (B) End device.
Network output load: (A) PAN coordinator (B) End device.

Figure 5:

CSMA medium access delay: (A) PAN coordinator (B) End device.
CSMA medium access delay: (A) PAN coordinator (B) End device.

Figure 6:

CSMA transmission failure (A) PAN coordinator (B) GTS end device.
CSMA transmission failure (A) PAN coordinator (B) GTS end device.

Figure 7:

Queue size (A) PAN coordinator (B) End device.
Queue size (A) PAN coordinator (B) End device.

Figure 8:

Queuing delay (A) PAN coordinator (B) End device.
Queuing delay (A) PAN coordinator (B) End device.

Parametric values for PAN coordinator and end devices in three different networks_

PAN coordinatorEnd device
Device type Mixed Mixed
Parameter/networkWith GTSWith GTSWithout GTSWithout GTSWith GTSWith GTSWithout GTSWithout GTS
Acknowledged traffic parameters
MSDU interarrival time (sec)Exponential (2)
MSDU size (bits)Exponential (912)
Start time (sec)0.1
Stop time (sec)180
Destination MAC addressBroadcastPAN coordinator
Unacknowledged traffic parameters
MSDU interarrival time (sec)Exponential (2)
MSDU size (bits)Exponential (912)
Start time (sec)0.1
Stop time (sec)180
CSMA parameters
Maximum backoff number4
Minimum backoff exponent3
IEEE 802.15.4
Device modePAN coordinatorEnd device
MAC addressAuto assigned
WPAN settings
Beacon order3
Superframe order2
PAN ID0
Logging
Enable loggingEnabled
GTS settings
GTS permitEnabledDisabledEnabledDisabled
Start time (sec)0.1Infinity0.1Infinity
Stop time (sec)180Infinity180Infinity
Length (slots)2020
DirectionReceiveTransmitTransmitTransmit
Buffer capacity (bits)10,000100010001000
GTS traffic parameters
MSDU interarrival time (sec)Exponential (2)Constant (1.0)Exponential (2)Constant (1.0)
MSDU size (bits)Exponential (912)Constant (0.0)Exponential (912)Constant (0.0)
AcknowledgmentEnabledDisabledEnabledDisabled
DOI: https://doi.org/10.21307/ijssis-2020-017 | Journal eISSN: 1178-5608
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Language: English
Page range: 1 - 12
Submitted on: Jun 18, 2020
Published on: Aug 18, 2020
Published by: Professor Subhas Chandra Mukhopadhyay
In partnership with: Paradigm Publishing Services
Publication frequency: 1 issue per year
Keywords:
Wireless sensor network (WSN),
Guaranteed time slot (GTS),
IEEE 802.15.4,
Superframe,
Fully functional device (FFD),
Reduced functional device (RFD)
Related subjects:
Engineering,
Introductions and overviews,
Engineering, other

© 2020 S. S. Bamber, published by Professor Subhas Chandra Mukhopadhyay
This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.

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