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

... has Topology Control in Wireless Ad Hoc and Sensor Networks P. Santi  20 05 John Wiley & Sons, Ltd AD HOC AND SENSOR NETWORKS 7 Table 1.1 Comparison of typical features of wireless ad hoc and ... diffraction and scattering. Reflection occurs Topology Control in Wireless Ad Hoc and Sensor Networks P. Santi  20 05 John Wiley & S...

Ngày tải lên: 14/08/2014, 14:20

... certain instant of time t, the nodes in the network use the common power level P 2 , which is the minimum level necessary to v Time t t + e t + 2e v u v u P 3 P 3 P 2 P 2 P 2 P 2 P 2 P 2 P 2 P 2 P 2 P 2 P 2 Figure ... as MobileGrid (Liu and Li 20 02) and LINT/LILT (Ramanathan and Rosales-Hain 20 00). These protocols are based on the idea of maintaining the nu...

Ngày tải lên: 14/08/2014, 14:20

... xxvii I Introduction 1 1 Ad Hoc and Sensor Networks 3 1.1 TheFutureofWirelessCommunication 3 1.1.1 Adhocnetworks 3 1.1 .2 Wirelesssensornetworks 5 1 .2 Challenges 7 1 .2. 1 Adhocnetworks 8 1 .2. 2 Wirelesssensornetworks ... . . . . . . . . . 22 6 A .2 Notionofgraphplanarity 22 7 A.3 Dominating set and connected dominating set . . . . . . . . . . . . . . . 22 8 A.4 Tree,roote...

Ngày tải lên: 14/08/2014, 14:20

... if and only if there exists at least one path connecting any two nodes in the graph. Topology Control in Wireless Ad Hoc and Sensor Networks P. Santi  20 05 John Wiley & Sons, Ltd 36 TOPOLOGY ... known; if MAC layer Routing layer Topology control layer Figure 3.5 Topology control in the protocol stack. TOPOLOGY CONTROL 29 u v w z d 2 d 1 Figure...

Ngày tải lên: 14/08/2014, 14:20

... setting c = 2 √ 2 v min . In fact, the maximum length of a linear trajectory in R = [0, 1] 2 is √ 2, and node velocity in the RWP model is at least v min > 0. Note that, by setting c = 2 √ 2 v min , ... instead of along at least one single Topology Control in Wireless Ad Hoc and Sensor Networks P. Santi  20 05 John Wiley & Sons, Ltd THE RANGE ASSI...

Ngày tải lên: 14/08/2014, 14:20

... node u and its k-closest neighbor. Topology Control in Wireless Ad Hoc and Sensor Networks P. Santi  20 05 John Wiley & Sons, Ltd DIRECTION-BASED TOPOLOGY CONTROL 119 maximum level if the condition ... relation in RNG is symmetric. The RNG topology has several interesting features, as evidenced by the simulation-based investigation on random node deployments...

Ngày tải lên: 14/08/2014, 14:20

... that in LMST the constructed topology, which in general can contain unidirectional links, is made symmetric by probing each node in N LMST (u), and by removing the link (or adding the reverse link) ... 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 Net...

Ngày tải lên: 14/08/2014, 14:20

... 22 6 Directed, 22 5 Distance spanner, 191 Dominating set, 66 k-connectivity, 22 7 Minimum-cost biconnectivity, 21 9, 22 8 Monotone property, 194, 22 8 Planar, 80, 1 42, 22 7 Sparse, 22 6 Subgraph, 22 6 Symmetric ... and Distributed Systems 15( 12) , 1057– 1069. Liang W 20 02 Constructing minimum-energy broadcast trees in wireless ad hoc networks. Proc. ACM Mobihoc 02, La...

Ngày tải lên: 14/08/2014, 14:20

... http://www.simpopdf.com 2 Modeling Ad Hoc Networks In this chapter, we introduce a simple but widely accepted model of ad hoc network. Since sensor networks are a subclass of ad hoc networks, this model ... Cataloging -in- Publication Data Santi, Paolo. Topology control in wireless ad hoc and sensor networks / Paolo Santi. p. cm. Includes bibliographic...

Ngày tải lên: 27/06/2014, 00:20

... is proposed and applied to existing localization algorithms. In the paper “A new time-based algorithm for positioning mobile terminals in wireless networks by I. Martin-Escalona and F. Barcelo-Arroyo, ... are running. This study addresses the accuracy of the TOAD algorithm in two different environments: line-of-sight (LOS) and non-line-of-sight (NLOS). This technique improves th...

Ngày tải lên: 22/06/2014, 01:20