Recently, IEEE 802.15.4 has been standardized for WSNs (Wireless Sensor Networks). This paper proposes an enhanced CCA scheme which involves the data transmission device sending a notifyBusyChannel (nBC) signal in the backoff period when the Channel Using Quotient (CUQ) exceeds 0.5. The CUQ stands for the rate of channel utilization in the previous slot duration. In a single CCA operation, the device nodes are made aware of the busy status of the channel by the nBC signal. We implement the ECCA scheme in a hardware chip for a performance evaluation. The results show that the proposed scheme has short queuing times and less energy consumption than IEEE 802.15.4 CCA. And the scheme is compatible with conventional IEEE 802.15.4 devices.
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Saeyoung AHN, Wook KIM, Sunshin AN, "Enhanced CCA Scheme for Slotted CSMA/CA in IEEE 802.15.4 LR-WPANs" in IEICE TRANSACTIONS on Communications,
vol. E94-B, no. 4, pp. 1072-1075, April 2011, doi: 10.1587/transcom.E94.B.1072.
Abstract: Recently, IEEE 802.15.4 has been standardized for WSNs (Wireless Sensor Networks). This paper proposes an enhanced CCA scheme which involves the data transmission device sending a notifyBusyChannel (nBC) signal in the backoff period when the Channel Using Quotient (CUQ) exceeds 0.5. The CUQ stands for the rate of channel utilization in the previous slot duration. In a single CCA operation, the device nodes are made aware of the busy status of the channel by the nBC signal. We implement the ECCA scheme in a hardware chip for a performance evaluation. The results show that the proposed scheme has short queuing times and less energy consumption than IEEE 802.15.4 CCA. And the scheme is compatible with conventional IEEE 802.15.4 devices.
URL: https://global.ieice.org/en_transactions/communications/10.1587/transcom.E94.B.1072/_p
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@ARTICLE{e94-b_4_1072,
author={Saeyoung AHN, Wook KIM, Sunshin AN, },
journal={IEICE TRANSACTIONS on Communications},
title={Enhanced CCA Scheme for Slotted CSMA/CA in IEEE 802.15.4 LR-WPANs},
year={2011},
volume={E94-B},
number={4},
pages={1072-1075},
abstract={Recently, IEEE 802.15.4 has been standardized for WSNs (Wireless Sensor Networks). This paper proposes an enhanced CCA scheme which involves the data transmission device sending a notifyBusyChannel (nBC) signal in the backoff period when the Channel Using Quotient (CUQ) exceeds 0.5. The CUQ stands for the rate of channel utilization in the previous slot duration. In a single CCA operation, the device nodes are made aware of the busy status of the channel by the nBC signal. We implement the ECCA scheme in a hardware chip for a performance evaluation. The results show that the proposed scheme has short queuing times and less energy consumption than IEEE 802.15.4 CCA. And the scheme is compatible with conventional IEEE 802.15.4 devices.},
keywords={},
doi={10.1587/transcom.E94.B.1072},
ISSN={1745-1345},
month={April},}
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TY - JOUR
TI - Enhanced CCA Scheme for Slotted CSMA/CA in IEEE 802.15.4 LR-WPANs
T2 - IEICE TRANSACTIONS on Communications
SP - 1072
EP - 1075
AU - Saeyoung AHN
AU - Wook KIM
AU - Sunshin AN
PY - 2011
DO - 10.1587/transcom.E94.B.1072
JO - IEICE TRANSACTIONS on Communications
SN - 1745-1345
VL - E94-B
IS - 4
JA - IEICE TRANSACTIONS on Communications
Y1 - April 2011
AB - Recently, IEEE 802.15.4 has been standardized for WSNs (Wireless Sensor Networks). This paper proposes an enhanced CCA scheme which involves the data transmission device sending a notifyBusyChannel (nBC) signal in the backoff period when the Channel Using Quotient (CUQ) exceeds 0.5. The CUQ stands for the rate of channel utilization in the previous slot duration. In a single CCA operation, the device nodes are made aware of the busy status of the channel by the nBC signal. We implement the ECCA scheme in a hardware chip for a performance evaluation. The results show that the proposed scheme has short queuing times and less energy consumption than IEEE 802.15.4 CCA. And the scheme is compatible with conventional IEEE 802.15.4 devices.
ER -