TY - GEN
T1 - Reducing Interference by Three Bit Scheduling Information in Wireless Local Area Networks
AU - Kim, J. D.
AU - Laurenson, D. I.
AU - Thompson, J. S.
N1 - Acceptance date set to exclude from REF OA Policy
PY - 2019/11/21
Y1 - 2019/11/21
N2 - For decades wireless local area networks (WLANs) using the distributed coordination function (DCF) protocol have been suffering from packet collisions causing throughput performance degradation. In order to resolve this issue, we propose a novel resource scheduling scheme, named 3 bits of reservation information (3bRI). In 3bRI, the scheduling information of the next three time slots is broadcast in ACK frames, and the information can be overheard by neighboring stations. Each active neighboring station checks the overheard scheduling information before starting a transmission, and defers its transmission to avoid a packet collision when the time slot has already been reserved. Simulation results show that the proposed method improves the total throughput performance by 55% compared to DCF, and 36% compared to centralized random backoff (CRB) when the number of active nodes is 40. It also maintains a high level of fairness to legacy devices using DCF when devices using 3bRI coexist with legacy devices.
AB - For decades wireless local area networks (WLANs) using the distributed coordination function (DCF) protocol have been suffering from packet collisions causing throughput performance degradation. In order to resolve this issue, we propose a novel resource scheduling scheme, named 3 bits of reservation information (3bRI). In 3bRI, the scheduling information of the next three time slots is broadcast in ACK frames, and the information can be overheard by neighboring stations. Each active neighboring station checks the overheard scheduling information before starting a transmission, and defers its transmission to avoid a packet collision when the time slot has already been reserved. Simulation results show that the proposed method improves the total throughput performance by 55% compared to DCF, and 36% compared to centralized random backoff (CRB) when the number of active nodes is 40. It also maintains a high level of fairness to legacy devices using DCF when devices using 3bRI coexist with legacy devices.
KW - and random access
KW - centralized wireless networks
KW - medium access control
KW - multiple access protocol
KW - resource scheduling
UR - http://www.scopus.com/inward/record.url?scp=85075892207&partnerID=8YFLogxK
U2 - 10.1109/PIMRC.2019.8904436
DO - 10.1109/PIMRC.2019.8904436
M3 - Conference contribution
AN - SCOPUS:85075892207
T3 - IEEE International Symposium on Personal, Indoor and Mobile Radio Communications, PIMRC
BT - 2019 IEEE 30th Annual International Symposium on Personal, Indoor and Mobile Radio Communications, PIMRC 2019
PB - Institute of Electrical and Electronics Engineers
T2 - 30th IEEE Annual International Symposium on Personal, Indoor and Mobile Radio Communications, PIMRC 2019
Y2 - 8 September 2019 through 11 September 2019
ER -