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  1. Proceedings of the 6th ACM workshop on Wireless multimedia networking and computing (WMuNeP '11)
  2. Latency minimized probabilistic CSMA/CA
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Distributed and centralized information management of wireless smart camera networks
Latency minimized probabilistic CSMA/CA
A novel congestion control mechanism on tfrc for streaming applications over wired-wireless networks
Coded wireless video broadcast/ multicast: a cross-layer framework and end-to-end distortion analysis
PEAR: personal evacuation and rescue system
Dynamic decision engine for unified communication
Link-by-link video transmission for emergency communication system "Skymesh"
Analysis and design of IEEE 802.16 uplink scheduling algorithms and proposing the IRA algorithm for rtPS QoS class
Advantages of application-based scheduling for indoor femtocells
A multi-channel testbed for dynamic spectrum access (DSA) networks
An implementation framework of mapreduce email social network analysis

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Latency minimized probabilistic CSMA/CA

Content Provider ACM Digital Library
Author Chen, Jian-Ren Lan, Kung-Ming Hwang, Jenq-Neng Chen, Yi-Yuan Pai, Hung-I Gau, Victor
Abstract In this paper, we investigate and propose a latency minimized CSMA variation to enhance the performance of event-driven wireless ad hoc network applications. By first analyzing latency performance based on p-Persistence CSMA, we show that the optimal transmission probability for latency minimized p-Persistent CSMA (LMPP) in an event-driven scenario equals to the optimal transmission probability for throughput maximization in a saturated wireless local area network when the number of competing nodes is much larger than the number of messages a node intends to receive and the packet length is a lot longer than the slot time. The proposed Latency Minimized Probabilistic CSMA/CA (LaMP) is a multiple access scheme with constant contention window size built atop standard 802.11 CSMA/CA, to approach the performance of LMPP. To deal with the critical contender estimation problem in LaMP, we also propose an Exponentially Decreased Matching (EDeM) strategy to approximate the number of contenders. Simulation results show that the proposed method consistently outperforms existing methods in latency performance.
Starting Page 3
Ending Page 8
Page Count 6
File Format PDF
ISBN 9781450309035
DOI 10.1145/2069117.2069121
Language English
Publisher Association for Computing Machinery (ACM)
Publisher Date 2011-10-31
Publisher Place New York
Access Restriction Subscribed
Subject Keyword Throughput maximization Latency minimization P-persistent csma
Content Type Text
Resource Type Article
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