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

... 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 ... unidirectional links . . . . . . . . . . 11 1 10 .7 The LMST protocol 11 3 11 .1 Intuition behind the CBTC protocol 11 6 11 .2 Difference betw...

Ngày tải lên: 14/08/2014, 14:20

... and sensor networks in a shadow fading environment. Proc. IEEE Workshop on Dependability Issues in Ad Hoc Networks and Sensor Networks (DIWANS), Florence. Topology Control in Wireless Ad Hoc and ... 11 1, 11 9, 14 5, 15 7 Broadcast spanner, 92 Broadcast stretch factor, 92 Budget imbalance, 214 , 220 Carrier sensing range, 19 1 CBTC protocol, 11 5, 18...

Ngày tải lên: 14/08/2014, 14:20

... diffraction and scattering. Reflection occurs Topology Control in Wireless Ad Hoc and Sensor Networks P. Santi  2005 John Wiley & Sons, Ltd 1 Ad Hoc and Sensor Networks 1. 1 The Future of Wireless ... has Topology Control in Wireless Ad Hoc and Sensor Networks P. Santi  2005 John Wiley & Sons, Ltd AD HOC AND SENSOR NETWORK...

Ngày tải lên: 14/08/2014, 14:20

... the routing and MAC layer (see Figure 3.5). 3.4 .1 Topology control and routing The routing layer is responsible for finding and maintaining the routes between source/ destination pairs in the network: ... π  d k +1  2 (1 + η) 2 ,and there are k + 1 regions to consider overall. Since, by Holder’s inequality, we have k +1  i =1  d k + 1  2 = (k + 1)  d k + 1 ...

Ngày tải lên: 14/08/2014, 14:20

... 15 0 10 0.56423 0. 616 25 0.64226 25 0. 412 03 0.44705 0.46285 50 0.33644 0.33892 0.34404 75 0.29454 0.2 817 9 0.28054 10 0 0.26526 0.25736 0.2395 250 0 .19 7 61 0 .17 163 0 .17 117 500 0 .15 955 0 .12 728 0 .11 34 750 ... phenomenon in case of mobile networks. By combining Theorem 1. 1 of (Penrose 19 99b) and Theorem 1. 1 of (Penrose 19 99c), it can be formally proven that the...

Ngày tải lên: 14/08/2014, 14:20

... between node u and its k-closest neighbor. Topology Control in Wireless Ad Hoc and Sensor Networks P. Santi  2005 John Wiley & Sons, Ltd DIRECTION-BASED TOPOLOGY CONTROL 11 9 maximum level ... G k is obtained by removing all the unidirectional links in G k . The symmetric super- and subgraph of the k-neighbors graph reported in Figure 12 .1 are shown in...

Ngày tải lên: 14/08/2014, 14:20

... n, in case of stationary and RWP mobile networks n wCNN wCNN RWP CNN CNN RWP 10 6 6 6 7 20 7 7 8 9 25 7 7 8 10 50 7 8 9 12 75 7 8 9 12 10 0 7 7 9 12 250 7 7 9 13 500 6 6 9 13 750 6 6 10 14 10 00 ... presence in general does not cause a surge in control message overhead. 15 4 DEALING WITH NODE MOBILITY 13 .4 .1 The LINT protocol The LINT protocol (Local Informati...

Ngày tải lên: 14/08/2014, 14:20

... Metric z 8 w 1 2 z 9 w 1 2 z 10 w 1 2 z 11 w 1 3 z 12 w 1 2 z 13 w 1 3 w 3 w 1 3 v w 1 4 Master routing table (sample entries) Dest node Next hop Metric Power lev z 4 z 4 11 mW z 2 z 1 210 mW vw 1 4 10 0 ... to 1 mW cluster 10 mW cluster 10 0 mW cluste r u v 10 0 mW 10 0 mW 10 mW 1mW w 1 w 2 w 3 z 1 z 2 z 3 z 4 z 5 z 6 z 7 z 8 z 9 z 10 z 11 z 12...

Ngày tải lên: 14/08/2014, 14:20

... unidirectional links . . . . . . . . . . 11 1 10 .7 The LMST protocol 11 3 11 .1 Intuition behind the CBTC protocol 11 6 11 .2 Difference between Yao Graph and CBTC 11 7 11 .3 The basicCBTC protocol 11 8 11 .4 Example ... . . 17 5 14 .11 The KNeighLev protocol 17 9 14 .12 The KNeighLev inefficiency 18 0 14 .13 Another KNeighLev inefficiency 18 1 14 .14 CLUSTERPOW and KNei...

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