Association control in wireless mesh networks

... participate in mesh forming, WMNs can be broadly classified into two types [1]: infrastructure mesh and hybrid mesh Infrastructure mesh is the most common form of WMNs Like the STAs in the infrastructure ... such as a few STAs joining/leaving the network 1.2 Wireless Mesh Network Architecture 1.2.1 The General WMNs The Wireless Mesh Network (WMN) is quickly emerging as a promising solution for last ... few previous works on optimal association in WMNs Therefore, in this thesis, we propose several innovative association control schemes including both distributed association- metric-based heuristics...

Dynamic association in wireless mesh networks

... Association Mechanisms in Wireless Networks 24 Chapter Factors Considered in the Association in Wireless Mesh Networks Based on the introduction of association mechanisms in wireless networks, this chapter ... Description WPANs Wireless Personal Area Networks WLANs Wireless Local Area Networks WMANs Wireless Metropolitan Area Networks WWANs Wireless Wide Area Networks WMNs Wireless Mesh Networks WSNs Wireless ... Bluetooth Wireless Networking Infrastructure-based Wireless Mesh Networks Multi-hop Wireless Sensor Networks Infrastructure-less (MANET) ZigBee Fig 1.1: Taxonomy of wireless networks CHAPTER Introduction...

báo cáo hóa học:" Research Article On Optimizing Gateway Placement for Throughput in Wireless Mesh Networks" docx

... than one mesh routers and the number of mesh routers is smaller than that of mesh clients Mesh routers constitute a wireless mesh backbone providing a wireless infrastructure for mesh clients In ... reconstructing the table of non-overlapping interfering groups by adding the potential location into the consideration; (3) computing the sharing eﬃciency for the potential gateway location; (4) ... Obtaining the optimal sharing eﬃciecy on gateways 3.2 Sharing Eﬃciency of Gateways Two gateways interfere with each other if they are within the distance of Int Dhops Int D is deﬁned as Interfering...

Báo cáo hóa học: " Research Article Optimal Channel Width Adaptation, Logical Topology Design, and Routing in Wireless Mesh Networks" potx

... and W Zhang, “Interference-aware topology control and QoS routing in multi -channel wireless mesh networks,” in Proceedings of the 6th ACM International Symposium on Mobile Ad Hoc Networking and ... p in (7), ain p aimq in (10) and (11), and ain p ,mq un p ,mq in (20) are nonlinear Even relaxing the binary constraints of (3) and (14), the problem is still nonconvex So the above programming ... without channel width adaptation Speciﬁcally, four cases are investigated: Multi-path routing combined with Fixed -width Channels (MP-FC), Multipath routing with channel Width Adaptation (MP-WA), Single-path...

Machine learning based congestion control in wireless sensor networks

... MACHINE LEARNING BASED CONGESTION CONTROL IN WIRELESS SENSOR NETWORKS JEAN-YVES SAOSENG (B Eng , Supelec, France) A THESIS SUBMITTED FOR THE DEGREE OF MASTER OF ENGINEERING DEPARTMENT ... 4.2.2 Distributed reinforcement learning in cooperative systems 36 Reinforcement Learning for congestion control 37 4.3.1 Reinforcement Learning of Contention Window Policy (RLCW) ... methods to increase both efficiency and fairness 2.1 2.1.1 Introduction Congestion in sensor networks In wireless sensor scenarios, the sink is not always within direct transmission range Intermediates...

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achieving collision avoidance and fairness in csma based wireless mesh networks ppt

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Báo cáo hóa học: " Minimum-length scheduling with rate control in wireless networks: a shortest path approach" docx

... source-destination pair on a DAG We obtain an optimal joint scheduling and rate control solution that provides a shortest path Although finding a shortest path on a DAG has a polynomial complexity in the number ... list with the most commonly appearing variables in the paper to facilitate the reader The variables are listed in the order they appear in Table below Appendix 2: Finding a shortest path on a dag ... following theorem characterizes an optimal scheduling and rate control policy that solves (8)-(10) Theorem 1: A minimum-length scheduling and rate control policy solving (8)-(10) takes actions according...

báo cáo hóa học:" Research Article Intercluster Connection in Cognitive Wireless Mesh Networks Based on Intelligent Network Coding" docx

... selecting transmission power level based on reinforcement learning are presented Simulations and results are provided in Section The conclusion is given in Section Intercluster Connection in CogMesh ... relaying throughput in the long run Accordingly, our contribution is mainly in three aspects First, we investigate the intercluster connection within the framework of CogMesh Secondly, network ... Traditional Intercluster Connection (TIC) and Network Coding -based Intercluster Connection (NCIC) in CogMesh In the second part of our work, we present reinforcement learningbased policies for the...

Topology Control in Wireless Ad Hoc and Sensor Networks phần 1 doc

... 88 91 91 93 10 1 10 1 10 5 10 6 10 6 10 8 10 8 11 1 11 3 11 6 11 7 11 8 11 9 12 3 12 4 12 5 12 8 12 9 13 0 13 6 13 7 14 0 14 7 14 8 14 9 15 0 15 4 15 6 16 4 16 5 16 7 16 8 17 0 17 1 17 2 17 4 17 5 17 5 17 9 18 0 18 1 18 5 LIST OF ... 8 .1 8.2 8.3 8.4 9 .1 9.2 10 .1 10.2 10 .3 10 .4 10 .5 10 .6 10 .7 11 .1 11. 2 11 .3 11 .4 11 .5 11 .6 11 .7 12 .1 12.2 12 .3 12 .4 12 .5 12 .6 13 .1 13.2 13 .3 13 .4 13 .5 13 .6 14 .1 14.2 14 .3 14 .4 14 .5 14 .6 14 .7 14 .8 ... 10 3 10 3 10 4 10 5 10 7 10 9 11 0 11 0 11 2 11 4 11 Direction-based Topology Control 11 .1 The CBTC Protocol 11 .1. 1 The basic CBTC protocol 11 .1. 2 Dealing with asymmetric links 11 .1. 3...

Topology Control in Wireless Ad Hoc and Sensor Networks phần 2 pps

... earthquake has Topology Control in Wireless Ad Hoc and Sensor Networks P Santi  20 05 John Wiley & Sons, Ltd AD HOC AND SENSOR NETWORKS devastated the city of Futuria destroying, among other things, most ... and the main challenges that face the ad hoc/ sensor network designer 1 .2. 1 Ad hoc networks Wireless ad hoc networks have attracted the attention of researchers in academia and industry in the last ... reﬂection, diffraction and scattering Reﬂection occurs Topology Control in Wireless Ad Hoc and Sensor Networks P Santi  20 05 John Wiley & Sons, Ltd 14 MODELING AD HOC NETWORKS when the electromagnetic...

Topology Control in Wireless Ad Hoc and Sensor Networks phần 3 pot

... identiﬁed yet In our view, topology control is an additional protocol layer positioned between the routing and MAC layer (see Figure 3. 5) 3. 4.1 Topology control and routing The routing layer is ... if Routing layer Topology control layer MAC layer Figure 3. 5 Topology control in the protocol stack 34 TOPOLOGY CONTROL Routing layer Trigger TC execution Trigger route updates Topology control ... agreement in the community that reactive routing performs better than proactive routing in ad hoc networks TOPOLOGY CONTROL 35 v u d2 d1 z w d3 Figure 3. 7 The importance of appropriately setting the...

Topology Control in Wireless Ad Hoc and Sensor Networks phần 4 pot

... 0.5 642 3 0 .41 203 0.33 644 0.2 945 4 0.26526 0.19761 0.15955 0.13963 0.12708 0.0 948 2 0.61625 0 .44 705 0.33892 0.28179 0.25736 0.17163 0.12728 0.10507 0.08931 0.05963 0. 642 26 0 .46 285 0. 344 04 0.280 54 0.2395 ... where ‘minimal’ is intended as ‘least energy cost’ Besides Topology Control in Wireless Ad Hoc and Sensor Networks P Santi  2005 John Wiley & Sons, Ltd 74 THE RANGE ASSIGNMENT PROBLEM reducing energy ... at least k different paths, instead of along at least one single Topology Control in Wireless Ad Hoc and Sensor Networks P Santi  2005 John Wiley & Sons, Ltd 64 OTHER CHARACTERIZATIONS OF THE...

Topology Control in Wireless Ad Hoc and Sensor Networks phần 6 potx

... ‘every direction’ Topology Control in Wireless Ad Hoc and Sensor Networks P Santi  2005 John Wiley & Sons, Ltd 1 16 DIRECTION-BASED TOPOLOGY CONTROL w u r v z Figure 11.1 Intuition behind the CBTC ... neighbor Topology Control in Wireless Ad Hoc and Sensor Networks P Santi  2005 John Wiley & Sons, Ltd 128 NEIGHBOR-BASED TOPOLOGY CONTROL Figure 12.1 Example of node placement generating asymmetric ... algorithm introduced in (Hajiaghayi et al 2003) and the k-connected variation of CBTC introduced in (Bahramgiri et al 2002) 11 Direction-based Topology Control In this chapter, we consider topology control...

Topology Control in Wireless Ad Hoc and Sensor Networks phần 7 pptx

... each node in N LMST (u), and by removing the link (or adding the reverse link) in case it is unidirectional In our example, we assume that the generated topology is made symmetric by removing unidirectional ... of Topology Control 14 Level-based Topology Control In Chapters 10–12, we have presented several solutions to the problem of designing protocols for distributed topology control TC in ad hoc networks ... as by the battery level, and so on In other words, contrary to what is assumed in most of the TC approaches proposed so Topology Control in Wireless Ad Hoc and Sensor Networks P Santi  2005 John...

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