Filters








3,254 Hits in 3.9 sec

Estimation of Medium Access Control Layer Packet Delay Distribution for IEEE 802.11

Hatm Alkadeki, Xingang Wang, Michael Odetayo
2013 International Journal of Wireless & Mobile Networks  
This is why much of the research work for the enhancement of wireless network is usually based on the behavior of IEEE 802.11 protocol.  ...  The most important standard in wireless local area networks is IEEE 802.11.  ...  ACKNOWLEDGEMENTS The authors wish to thank the anonymous reviewers for their useful comments that have significantly improved the quality of the presentation.  ... 
doi:10.5121/ijwmn.2013.5608 fatcat:2ezo23mrhfaspktkqgpwmxwkoy

Adaptive power management for wireless base stations in a smart grid environment

Dusit Niyato, Xiao Lu, Ping Wang
2012 IEEE wireless communications  
To this purpose, we study a green communication system model where wireless base station is provisioned with a combination of renewable power source and electrical grid to minimize power consumption as  ...  More specifically, we focus on an adaptive power management for wireless base station to minimize power consumption under various uncertainties including renewable power generation, power price, and wireless  ...  A. System Model The system model of adaptive power management for the wireless base station is shown in Fig. 1 .  ... 
doi:10.1109/mwc.2012.6393517 fatcat:ehe6kztlmzetbdeclb7gcl7toi

An MDP-Based Approach for Multipath Data Transmission over Wireless Networks

V. Bui, W. Zhu, A. Botta, A. Pescape
2008 2008 IEEE International Conference on Communications  
In this paper, we propose an approach for multipath data transmission over wireless networks.  ...  Maintaining performance and reliability in wireless networks is a challenging task due to the nature of wireless channels.  ...  As a result, providing Quality of Service (QoS) in wireless networks is more challenging.  ... 
doi:10.1109/icc.2008.57 dblp:conf/icc/BuiZBP08 fatcat:ynsy4awyrjdwrote6kxydwuzqe

Link Error Prediction in Wireless Communication Systems with Quality Based Power Control

W. Karner, O. Nemethova, M. Rupp
2007 2007 IEEE International Conference on Communications  
Furthermore, it is shown that various well-known and often used error models based on Markov chains are not capable of representing the predictive nature of the channel, whereas a two-state alternating  ...  The quality of end-to-end services over wireless communication networks highly depends on the error characteristics of the wireless links.  ...  ACKNOWLEDGEMENTS We thank mobilkom austria AG for technical and financial support of this work.  ... 
doi:10.1109/icc.2007.838 dblp:conf/icc/KarnerNR07 fatcat:s7kt57lgpfe3bkfmzm23joubu4

Throughput and delay analysis of wireless random access networks

Lin Dai, Tony T. Lee
2008 2008 42nd Annual Conference on Information Sciences and Systems  
The network throughput and transport delay of a wireless random access network are studied in this paper based on a Markov renewal model of packet transportation.  ...  In order to achieve the network scalability, several traffic scaling laws are delineated by localizing the traffic pattern, and a leaky bucket scheme at the network access is proposed for traffic shaping  ...  A Markov renewal process will be constructed to model the packet transportation and its potency for network performance analysis will be demonstrated.  ... 
doi:10.1109/ciss.2008.4558632 dblp:conf/ciss/DaiL08 fatcat:4qug4becffhyngfexmvatn55w4

Review on Fog Based Spectrum Sensing for Artificial Intelligence

A. Rethina Palin, I. Jeena Jacob
2018 International Journal of Scientific Research in Computer Science Engineering and Information Technology  
A Markov logic network (MLN) based reasoning engine is utilized for the final routing table updating regarding the system uncertainty and complexity.  ...  The cluster head (CH) manages a group of nodes such that the network has the hierarchical structure for the channel access, routing and bandwidth allocation.  ...  Therefore, a protocol designed for ad hoc wireless networks may perform very poorly in WMNs.  ... 
doi:10.32628/cseit183816 fatcat:4eaejv46rrc3vmhoi5hkrhvaxy

Throughput analysis of TCP in multi-hop wireless networks with IEEE 802.11 MAC

A.A. Kherani, R. Shorey
2004 2004 IEEE Wireless Communications and Networking Conference (IEEE Cat. No.04TH8733)  
We consider the problem of modeling TCP over multi-hop wireless networks using the IEEE 802.11 protocol.  ...  Simulation results show that the proposed model predicts the TCP throughput to a very high level of accuracy. We then discuss how to extend this model to more general situations.  ...  We believe that the paper is an important step towards understanding the interaction between TCP protocol and multihop wireless ad hoc networks where the nodes are based upon the IEEE 802.11 MAC.  ... 
doi:10.1109/wcnc.2004.1311549 dblp:conf/wcnc/KheraniS04 fatcat:6wwgs4wvmbb3rnrd47s2jlq6cm

SMDP-based Downlink Packet Scheduling Scheme for Solar Energy Assisted Heterogeneous Networks [article]

Qizhen Li, Jie Gao, Jinming Wen, Xiaohu Tang, Lian Zhao, Limin Sun
2018 arXiv   pre-print
In this paper, we propose a semi-Markov decision process (SMDP)-based downlink packet scheduling scheme for solar energy assisted heterogeneous networks (HetNets), where solar radiation is modeled as a  ...  SMDP is a real-time admission control model.  ...  In [13] , a routing algorithm based on the SDMP was proposed in wireless sensor networks, where the arrivals of energy harvest and traffic packets are modeled as Poisson processes.  ... 
arXiv:1803.09145v1 fatcat:mfgjbn4qnjawzdaxlh6x5qvady

HMM-based modelling of roadside-to-vehicle WLAN communications

Syed Faraz Hasan, Nazmul H. Siddique, Shyam Chakraborty, Swades De
2010 2010 7th International Symposium on Communication Systems, Networks & Digital Signal Processing (CSNDSP 2010)  
In this article, we characterize a typical roadside-to-vehicle connection using Hidden Markov Models after showing that previously known models are not applicable for vehicular environments.  ...  Such a model can help analyze the performance of WLANs in delivering network services to mobile nodes travelling at vehicular speeds.  ...  CONCLUSION This article has proposed a Hidden Markov Model based on Baum-Welch Algorithm for a typical Roadside-to-Vehicle connection.  ... 
doi:10.1109/csndsp16145.2010.5580398 fatcat:izsz5gxwt5fwfhjvtifwp2v2wy

Performance analysis and a proposed improvement for the IEEE 802.15.4 contention access period

Zhifeng Tao, S. Panwar, Daqing Gu, Jinyun Zhang
2006 IEEE Wireless Communications and Networking Conference, 2006. WCNC 2006.  
IEEE 802.15.4-2003 [1] was introduced to address the market need for connecting low-rate devices in a wireless personal area network (WPAN).  ...  In this paper, we propose a novel Markov chain for IEEE 802.15.4 MAC, which faithfully captures all the essential features of the protocol, and thus can provide valuable insight into the strengths and  ...  ACKNOWLEDGEMENTS The authors would like to extend their gratitude to Hui Dai for his clear explanation on protocol operation.  ... 
doi:10.1109/wcnc.2006.1696571 dblp:conf/wcnc/TaoPGZ06 fatcat:4ndefjuyoffcxgri4afci6qmu4

Modeling and Analysis of Frame-Level Forward Error Correction for MPEG Video over Burst-Loss Channels

Chun-I Kuo, Chi-Huang Shih, Ce-Kuen Shieh, Wen-Shyang Hwang, Chih-Heng Ke
2014 Applied Mathematics & Information Sciences  
to achieve a better reconstructed video quality than the FEC model based on a random BSC channel.  ...  Accordingly, an estimated video quality model over burst loss channels is proposed in this paper to evaluate the impact of burst loss for FEC-based video applications.  ...  7) Packet loss based on two-state Markov chain can be modeled as a renewal error process [6] .  ... 
doi:10.12785/amis/080442 fatcat:cshnouuilnesdc7fex4aggj4zy

Throughput Analysis and Measurements in IEEE 802.11 WLANs with TCP and UDP Traffic Flows

R. Bruno, M. Conti, E. Gregori
2008 IEEE Transactions on Mobile Computing  
Specifically, we develop Markov chain models to compute the distribution of the number of active stations in an 802.11 wireless local area network (WLAN) when long-lived Transmission Control Protocol (  ...  We validate the model accuracy through performance tests carried out in a real WLAN for a wide range of configurations.  ...  THROUGHPUT ANALYSIS OF UDP AND TCP FLOWS Our analysis is based on a Markov renewal-reward approach [45] .  ... 
doi:10.1109/tmc.2007.70718 fatcat:dyjovtz64ratlixelejigy4mmm

Dynamic Range Method using Hiddenmarkov Models in RSA and DSA Algorithm

2020 VOLUME-8 ISSUE-10, AUGUST 2019, REGULAR ISSUE  
So, we used in this paper the Hidden Markov Model for defining the various types of range characteristics and forecast therangesample that will be obtained in future related methods.  ...  So, at this time the requirement for research in various wireless technologies expanding and there is no space for the wireless various rangesto assignimportant frequency bandsrelated to the future wireless  ...  Markov Model For Channel Occupancy States  ... 
doi:10.35940/ijitee.l1007.10812s319 fatcat:pvnznnou6rftnc3u4n7tlbsrzq

The effect of correlated errors on the performance of TCP

M. Zorzi, R.R. Rao
1997 IEEE Communications Letters  
Wireless channels are known to introduce correlated bursts of errors at the physical layer.  ...  In this paper, we study the effect of error correlations on the throughput of a single transport control protocol (TCP) Tahoe connection.  ...  RESULTS In this section we present results based on a Gilbert channel model at the byte level.  ... 
doi:10.1109/4234.625033 fatcat:a4lyewpk3feshfefgxk4abt7s4

Battery State-Dependent Access Control in Solar-Powered Broadband Wireless Networks [chapter]

Hamidou Tembine, Eitan Altman, Rachid El-Azouzi, Yezekael Hayel
2009 Lecture Notes in Computer Science  
This paper studies both power and access control in solarpowered broadband wireless networks. Solar-powered batteries are modeled as stochastic process.  ...  in all the system in which each user have to control its own battery state and energy consumption are analyzed using non-cooperative evolutionary games with several states and individual independent Markov  ...  There are many advantageous to use renewable energy in broadband wireless networks such as Wi-Fi, Wimax or mesh networks.  ... 
doi:10.1007/978-3-642-00393-6_15 fatcat:ylynlxsuebdqddiwgntgnpwme4
« Previous Showing results 1 — 15 out of 3,254 results