Báo cáo hóa học: " Research Article A Multievent Congestion Control Protocol for Wireless Sensor Networks" pptx
Báo cáo hóa học: " Research Article A Multievent Congestion Control Protocol for Wireless Sensor Networks" pptx
... store the packet.
Therefore, data packets are piggybacked to update buffer
state. When a sensor x sends out a data packet, it piggybacks
its residual-buffer size in the frame header. If a neighbor ... Gardner, V. K. Varadan, and O. O. Awadelkarim,
Microsensors, MEMS and Smart Devices,JohnWiley&Sons,
New York, NY, USA, 2001.
[20] J. L. Hill and D. E. Culler, “Mica: a wireless pla...
Báo cáo hóa học: " Research Article Censored Distributed Space-Time Coding for Wireless Sensor Networks" pptx
... synchronous transmission can be accomplished if the relative delays
between the relay nodes are much smaller than the symbol duration. This
is usually a reasonable assumption for low-rate WSN applications. ... from a significant
performance degradation due to erroneous decisions if cen-
soring is not applied. Fortunately, with censoring this perfor-
mance degradation can be avoided and...
Báo cáo hóa học: " Research Article A Novel Secure Localization Approach in Wireless Sensor Networks" pot
... localiza-
tion process and marks itself a state after the localization.
The sensor marks itself with an attacked state if it detects
any attacked locator; otherwise, it marks itself with a safe
state. ... safe state to current attacked state;
(3) from previous attacked state to current safe state; and
(4) from previous attacked state to current attacked state.
Although the historical da...
Báo cáo hóa học: " Research Article A QoS-Aware Mesh Protocol for Future Home Networks Using Autonomic Architecture" pot
... part of the network that carries control information
Knowledge plane
Control plane
Data plane
Management plane
Figure 1: Autonomic architecture.
(also known as signaling), and finally, the management ... Article ID 386898, 9 pages
doi:10.1155/2008/386898
Research Article
A QoS-Aware Mesh Protocol for Future Home Networks
Using Autonomic Architecture
Kaouthar Sethom, Tara Ali-Ya...
Báo cáo hóa học: "Research Article A Novel Distributed Privacy Paradigm for Visual Sensor Networks Based on Sharing Dynamical Systems" pptx
... 10 (a) . We will refer to this extension as wavelet-
TANGRAM.
Next we compare wavelet-TANGRAM to TANGRAM for
a few special attacks to demonstrate the feasibility of ex-
tending TANGRAM. If an attacker ... captur ing the
same scene at approximately the same camera orientation. A
securit y goal of each node in a cluster is to send partial visual
information, which we call shares to a...
Báo cáo hóa học: "Research Article Efficient Path Key Establishment for Wireless Sensor Networks" ppt
... + n
MAC
sublayer
Physical
layer
PPDU
Physical Protocol Data Unit
Frame
Control
Sequence
Number
Addressing
Fields
Data
Payload
FCS
Frame Check
Sequence
MHR
MAC Header
MSDU
MAC Service
Data Unit
MFR
MAC ... standard for Information
Technology—Telecommunications and information exchange
between systems—Local and metropolitan area networks—
Specific requirements, Part 15.4 Wireless Medium...
Báo cáo hóa học: " Research Article Incremental Support Vector Machine Framework for Visual Sensor Networks" pptx
... rates for each camera,
incremental data was sequential ly acquired. Local prediction
at each sensor node was performed according to Ta ble 1 and
communicated to the cluster head node for analysis. ... recomputed accordingly. Clearly,
this approach is computationally very expensive for a visual
sensor network. To maintain an acceptable balance between
storage, accuracy, and computa...
Báo cáo hóa học: " Research Article A Sociability-Based Routing Scheme for Delay-Tolerant Networks" doc
... In
[14], cars act as data mules and employ a carry-and-forward
paradigm to transfer data packets to a portal. Finally, in [15],
opportunistic data delivery is studied when both traditional
routing and ... the formalization
of a sociability concept and a guideline to its exploitation
for efficient forwarding in DTNs. Additionally, a framework
for its evaluation and comparison with...
Báo cáo hóa học: " Research Article Modelling and Implementation of QoS in Wireless Sensor Networks: A Multiconstrained Traffic Engineering Model" pdf
... movement of gas back to
nearby UAVs and take appropriate decisions concerning an
evacuation plan. Embedding sensors in roadbeds, alongside
highways, or bridge structures and placing cameras at
street ... could also be deployed in a gas contaminated urban
area by air-dropping chemical sensors from Unmanned
Aerial Vehicles (UAVs) to achieve real-time situation assess-
ment, report the extent...
Báo cáo hóa học: " Research Article Bit Level Synchronized MAC Protocol for Multireader RFID Networks" docx
... tags that are not covered by any reader. For large
values of β, the results obtained are similar to that obtained
for a uniform distribution of tags. For smaller values of
β, however, the advantages ... larger
communication range than passive tags may also appear in
the area. These tags require much lesser or no energy at all
from the readers signal to power up and respond back, and
h...