Báo cáo hóa học: " Research Article Energy-Efficient Transmission of Wavelet-Based Images in Wireless Sensor Networks" pdf
Báo cáo hóa học: " Research Article Tree Based Protocol for Key Management in Wireless Sensor Networks" pptx
... algorithms
in the remaining of the paper. Each sensor node i, including
the base station, maintains the following variables.
(i) Father
i
: the father of the sensor in the final spanning
tree. The base ... with
a processing unit and storage of data, a unit of wireless
transmission and a battery. Organized as a network, the
sensors (or nodes) of a WSN, despite resource con...
Báo cáo hóa học: "Research Article Low-Complexity One-Dimensional Edge Detection in Wireless Sensor Networks" ppt
... surrounding this
area: in the example in Figure 1(a) there are six sensors.
(In the remainder of this paper, by sensor we will denote
the wireless transceiver which includes the sensing element.
However, ... Sastry, “Distributed environmental mon-
itorning using random sensor networks,” in Proceedings of
the 2nd International Workshop on Information Processing in
Sensor Ne...
Báo cáo hóa học: "Research Article Cooperative Localization Bounds for Indoor Ultra-Wideband Wireless Sensor Networks" pdf
... the
paper in Section 5.
2. TOA-BASED RANGING IN INDOOR
MULTIPATH ENVIRONMENTS
2.1. Ranging coverage
One of the major factors determining the quality of TOA-
based ranging and localization in indoor ... reproduction in any medium, provided the original work is properly
cited.
1. INTRODUCTION
In recent years, there has been a growing interest in ad
hoc and wireless sensor ne...
Báo cáo hóa học: " Research Article Clock Estimation for Long-Term Synchronization in Wireless Sensor Networks with Exponential Delays" docx
... left of the intersection where
the same occurs for φ
c,b
.
(iii) The sign of φ
s,b
changes at an intersection of curves
in (12) (say intersection 1 in Figure 2) which is to the
left of the intersection ... INTRODUCTION AND RELATED WORK
A wireless sensor network (WSN) consists of several small
scale miniature devices capable of onboard sensing, comput-
ing, and communicatio...
Báo cáo hóa học: " Research Article Efficient Transmission of H.264 Video over Multirate IEEE 802.11e WLANs" docx
... combines uplink and
downlink scheduling in one discipline and allows the use
of a centralized single server scheduler design as shown in
Figure 2.
As it is seen in Figure 2, there are two sets of ... implemented in the
access point. CAPS uses the concept of virtual packets
and combines the task of scheduling uplink and downlink
flows of a naturally distributed CSMA/CA environ...
Báo cáo hóa học: " Research Article Location-Based Self-Adaptive Routing Algorithm for Wireless Sensor Networks in Home Automation" doc
... receives the RREP, it inserts the
routing information about D into its routing table and uses
this routing information to send data to D.
Instead of blindly searching for the route in the entire
network, ... Kang Ling Fang
1
1
College of Information Science and Engineering, Engineering Research Center of Metallurgical Automation and
Measurement Technology, Ministry of Education, W...
Báo cáo hóa học: "Research Article A High-Accuracy Nonintrusive Networking Testbed for Wireless Sensor Networks" pptx
... et al., “Trio: enabling sustainable
and scalable outdoor wireless sensor network deployments,” in
Proceedings of the 5th International Conference on Information
Processing in Sensor Networks (IPSN ... architecture of typical
sensor nodes. Next we present the major ideas and challenges
of the design of HINT. In the next section we introduce
the implementation of HINT ai...
báo cáo hóa học:" Research Article On Optimizing Gateway Placement for Throughput in Wireless Mesh Networks" docx
... Obtaining the optimal sharing efficiecy on gateways.
3.2. Sharing Efficiency of Gateways. Two gateways interfere
with each other if they are within the distance of Int D-
hops. Int D is defined as Interfering ... maximized.
In the first step, the table of nonoverlapping interfering
groups is constructed as follows: (1) each interfering group
appears as a single row in the table and contai...
Báo cáo hóa học: " Research Article Dimensioning Method for Conversational Video Applications in Wireless Convergent Networks" docx
... the transmission power in dBm, G
TA
is the
gain of the transmission antenna in dBi, l
T
are the additional
losses in the transmission path before the antenna, G
RA
is the
gain of the receiving ... quality
indicator introduced in [24] is proposed. This indicator is
the effective frame rate that is introduced and discussed in
later sections of this paper.
As packet errors o...
Báo cáo hóa học: " Research Article Communication Timing Control with Interference Detection for Wireless Sensor Networks" potx
... other hand, radio interference is an important
problem in the wireless communication. Interference prob-
lems include two kinds of problems. One of them is to re-
duce in uence of interference. Another ... determined by modulation meth-
ods and spec of the receiver. In the communication timing
control described in Section 2.3 , however, the in uence of in-
terference wav...
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