Báo cáo hóa học: " Research Article Collaborative Image Coding and Transmission over Wireless Sensor Networks" potx
Báo cáo hóa học: " Research Article Collaborative Image Coding and Transmission over Wireless Sensor Networks" potx
... Processing
Volume 2007, Article ID 70481, 9 pages
doi:10.1155/2007/70481
Research Article
Collaborative Image Coding and Transmission
over Wireless Sensor Networks
Min Wu
1
and Chang Wen Chen
2
1
MAKO ... 1
(b)
Figure 4: Two routing schemes.
tween images in sensors 1 and 2, sensors 2 and 3,
sensors 4 and 5, and sensors 5 and 6, respectively.
(c) At each sens...
Báo cáo hóa học: " Research Article Distributed Encoding Algorithm for Source Localization in Sensor Networks" potx
... iterative encoding algorithm is proposed in
Section 5. For a noisy situation, we consider the modified
encoding algorithm in Section 6 and describe the decoding
process and how to handle decoding errors ... Introduction
In sensor networks, multiple correlated sensor readings are
available from many sensors that can sense, compute and
communicate. Often these sensors are battery-power...
Báo cáo hóa học: " Research Article A Novel Secure Localization Approach in Wireless Sensor Networks" pot
... Introduction
Wireless sensor networks (WSNs) [1] have increasingly
drawn attentions of researchers in the areas of wireless
communication, sensor technology, distributed systems, and
embedded ... Computing and Networking (MobiCom
’03), pp. 81–95, September 2003.
[5] A. Srinivasan and J. Wu, “A survey on secure localization in
wireless sensor networks,” Encyclopedia of Wirel...
Báo cáo hóa học: "Research Article Efficient Path Key Establishment for Wireless Sensor Networks" ppt
... predis-
tribution for wireless sensor networks,” EURASIP Journal on
Wireless Communications and Networking, vol. 2006, Article
ID 91304, 10 pages, 2006.
[10] R. Anderson, H. Chan, and A. Perrig, “Key ... C. Karlof and D. Wagner, “Secure routing in wireless sensor
networks: attacks and countermeasures,” in Proceedings of the
1st IEEE International Workshop on Sensor Netwo...
Báo cáo hóa học: " Research Article A Multievent Congestion Control Protocol for Wireless Sensor Networks" pptx
... setup, and assumptions. The network
comprises of non-mobile wireless sensor nodes and a sink.
We define the nodes as event reporting (E-REP), routing
(E-R), reporting and routing (E-REP-R), and idle ... Sankarasubramaniam, and E. Cayirci,
Wireless sensor networks: a survey,” Computer Networks, vol.
38, no. 4, pp. 393–422, 2002.
[2] D. Culler, D. Estrin, and M. Srivastava, “...
Báo cáo hóa học: " Research Article Constructing Battery-Aware Virtual Backbones in Wireless Sensor Networks" docx
... ζ
1
(4δ) is permanently lost. (c) The recovery table records the
recovery status κ
i
at m = 4. The 0 and 1 in the current column stand
for I
d
and I
e
,respectively.
sensor node, where ζ
n
(t) is the ... battery models and existing
CDS construction algorithms.
2.1. Modeling battery discharge behavior
The most commonly used batteries in wireless devices and
sensors are nickel-cadmi...
Báo cáo hóa học: "Research Article Mobile Agent-Based Directed Diffusion in Wireless Sensor Networks" doc
... Technology, China, as a Ph.D. candi-
date. His current research interests include
wireless sensor network, wireless ad hoc
network, wireless communication, and signal processing.
Yanghee Choi received ... Multimedia and Mobile
Communications Laboratory, School of Computer Science and En-
gineering, Seoul National University in 2004 and 2005. His current
research interests...
Báo cáo hóa học: " Research Article Joint Sensing Period and Transmission Time Optimization for Energy-Constrained Cognitive Radios" doc
... the other hand, the
IC is modeled by the average temporal overlap between SU
and PU.
The allocation of sensing period and transmission time
for two access policies are investigated and analyzed ... infinitesimal.
min
{a, b} and max{a, b} denote the minimal and maximal
value of a and b,respectively.
PU
SU
0 T 2T 3T 4T 5T
(a) Access Policy 1
PU
SU
0 T 2T 3T 4T 5T
Spectrum sensing
S...
Báo cáo hóa học: "Research Article Efficient Vector-Based Forwarding for Underwater Sensor Networks" ppt
... 10
8
m/sec). Moreover, the
available bandwidth of underwater acoustic chan-
nels is limited and dramatically depends on both
transmission range and frequency. According to [8],
nearly no research and commercial ... pages
doi:10.1155/2010/195910
Research Article
Efficient Vector-Based Forwarding for
Underwater Sensor Networks
Peng Xie,
1
Zhong Zhou,
2
Nicolas Nicolaou,
2
Andrew...
Báo cáo hóa học: " Research Article In Situ Key Establishment in Large-Scale Sensor Networks" pdf
... and (p, q) is the corresponding private key preloaded
before deployment, and (iii) the coverage area of the service
sensor, which is determined in LKE by a grid size L,
and specified in iPAK and ... attract
EURASIP Journal on Wireless Communications and Networking 7
Each service sensor will establish a λ-collusion-resistent
key space and serve those worker sensors residing in...