... 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...
... 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...
... 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...
... 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...
... 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...
... 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...
... 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...
... 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...