TY - GEN
T1 - Poster
T2 - 20th ACM Annual International Conference on Mobile Computing and Networking, MobiCom 2014
AU - Ahsan, Shegufta Bakht
AU - Vaidya, Nitin
N1 - Publisher Copyright:
© 2014 by the Association for Computing Machinery, Inc. (ACM).
Copyright:
Copyright 2015 Elsevier B.V., All rights reserved.
PY - 2014/9/7
Y1 - 2014/9/7
N2 - Distributed Coordination Function (DCF) is defined in IEEE 802.11 standard, which is widely used in practice. Despite of its wide use, it has several limitations. Because of the idle and collision times, it suffers from poor channel utilization. Besides, the control packets, particularly, Acknowledgement (ACK), consume non-trivial amount of bandwidth. Though the number of control bits in an ACK frame is small, the added overheads like the preamble, packet header etc. make the situation worse. In this paper, we propose a scheme called Overheard ACK where the explicit ACK frame has been eliminated by using the leverage of packet overhearing. Also, by incorporating explicit and implicit token-passing, this protocol attempts to schedule transmissions without having to use random access, dramatically reducing the idle time and collision time. Simulation results using NS2 con- firm that this protocol significantly outperforms the conven- tional 802.11 DCF. Copyright
AB - Distributed Coordination Function (DCF) is defined in IEEE 802.11 standard, which is widely used in practice. Despite of its wide use, it has several limitations. Because of the idle and collision times, it suffers from poor channel utilization. Besides, the control packets, particularly, Acknowledgement (ACK), consume non-trivial amount of bandwidth. Though the number of control bits in an ACK frame is small, the added overheads like the preamble, packet header etc. make the situation worse. In this paper, we propose a scheme called Overheard ACK where the explicit ACK frame has been eliminated by using the leverage of packet overhearing. Also, by incorporating explicit and implicit token-passing, this protocol attempts to schedule transmissions without having to use random access, dramatically reducing the idle time and collision time. Simulation results using NS2 con- firm that this protocol significantly outperforms the conven- tional 802.11 DCF. Copyright
KW - Packet overhearing
KW - Token passing
UR - http://www.scopus.com/inward/record.url?scp=84907833461&partnerID=8YFLogxK
UR - http://www.scopus.com/inward/citedby.url?scp=84907833461&partnerID=8YFLogxK
U2 - 10.1145/2639108.2642903
DO - 10.1145/2639108.2642903
M3 - Conference contribution
AN - SCOPUS:84907833461
T3 - Proceedings of the Annual International Conference on Mobile Computing and Networking, MOBICOM
SP - 345
EP - 346
BT - MobiCom 2014 - Proceedings of the 20th Annual
PB - Association for Computing Machinery
Y2 - 7 September 2014 through 11 September 2014
ER -