TY - JOUR
T1 - Theoretic analysis of IEEE 802.11 rate adaptation algorithm SampleRate
AU - He, Jianhua
AU - Guan, Wenyang
AU - Bai, Lin
AU - Chen, Kai
N1 - Copyright 2011 Elsevier B.V., All rights reserved.
PY - 2011/5
Y1 - 2011/5
N2 - In this paper we investigate rate adaptation algorithm SampleRate, which spends a fixed time on bit-rates other than the currently measured best bit-rate. A simple but effective analytic model is proposed to study the steady-state behavior of the algorithm. Impacts of link condition, channel congestion and multi-rate retry on the algorithm performance are modeled. Simulations validate the model. It is also observed there is still a large performance gap between SampleRate and optimal scheme in case of high frame collision probability.
AB - In this paper we investigate rate adaptation algorithm SampleRate, which spends a fixed time on bit-rates other than the currently measured best bit-rate. A simple but effective analytic model is proposed to study the steady-state behavior of the algorithm. Impacts of link condition, channel congestion and multi-rate retry on the algorithm performance are modeled. Simulations validate the model. It is also observed there is still a large performance gap between SampleRate and optimal scheme in case of high frame collision probability.
KW - CSMA/CA
KW - IEEE 802.11
KW - Markov chain
KW - link adaptation
KW - multiple access control
KW - performance modeling
UR - http://www.scopus.com/inward/record.url?scp=79956211298&partnerID=8YFLogxK
UR - http://ieeexplore.ieee.org/xpl/articleDetails.jsp?arnumber=5738918
U2 - 10.1109/LCOMM.2011.031411.102497
DO - 10.1109/LCOMM.2011.031411.102497
M3 - Article
AN - SCOPUS:79956211298
VL - 15
SP - 524
EP - 526
JO - IEEE Communications Letters
JF - IEEE Communications Letters
SN - 1089-7798
IS - 5
ER -