... rất đáng chú ý
trong định tuyến trung tâm dữ liệu.
II.4.1.1 SPIN (Sensor protocols for information via negotiation)
SPIN (Sensor Protocol for Information via Negotiation) là giao thức định
tuyến ... được truyền đến sink. Sự hình thành các cụm chủ yếu dựa trên năng lượng dự
trữ của sensor và vùng lân cận của sensor so với các nút chủ của cụm. LEACH là
một trong số những cách tiếp cận...
... VIỆT NAM
KHOA ĐIỆN TỬ VIỄN THÔNG HÀNG KHÔNG
BÁO CÁO MÔN: THÔNG TIN DI ĐỘNG
ĐỀ TÀI: WIRELESS SENSOR NETWORK.
GVHD: VŨ VĂN TẤN.
NHÓM SINH VIÊN:
NGUYỄN ĐỨC HIỆP.
NGUYỄN QUANG TÂY.
NGUYỄN TIẾN THỊNH.
TP.HCM ... THAM KHẢO.
- Truyền số liệu và mạng thông tin số_ Trần Văn Sư(NXB ĐHGD.tp.HCM).
- Handbook of sensor Networks_Ivan Stojmenovic.
- SV.Đỗ Duy Tân_luận án tốt nghiệp(ĐHBK tp.HCM).
- www...
... sleep during idle time.
K
EYWORDS
Sensor Networks, Routing Protocol, Data Aggregation, Air Pollution Monitoring, Data Fusion
1. I
NTRODUCTION
Sensor networks are dense wireless networks of small, ... Aggregation Efficiency in Sensor
Networks,” Ad Hoc Networks, Vol. 5 (8), pp. 1317-1328, November 2007.
[19] O. Younis and S. Fahmy, "Distributed Clustering in Ad-hoc Sensor Ne...
... surrounding wireless sensor networks before discussing
more specific sensor network defenses.
6.1.1 Background
Key management issues in wireless networks are not unique to wireless sensor
networks. Indeed, ... wireless sensor network designs. Because encryption and
key management/establishment are so crucial to the defense of a wireless
sensor network, with nearly all aspects of...
... (Challenge 4). In the SCADA network, each
sensor will be assumed to be active for a certain life-
time. The lifetime will be estimated using a probabilistic
model of network activity and the resources ... maturing wireless sensor network tech-
nology, it is envisaged that the network of RTU and PLCs
will be replaced by devices such as the wireless sensor
motes [SCA]. Sensor n...
... Wireless Sensor
Network.
K
EYWORDS
Wireless Sensor Network (WSN), Security
1.
I
NTRODUCTION
We use the term sensor network to refer to a heterogeneous system combining tiny sensors and ...
Sensor Network are diverse due to the availability of micro-sensors and low-power wireless
communications. Unlike the traditional sensors, in the remote sensor network, a vast num...
... Concepts of Lifetime Fitness September 1, 1997 Homeostasis is the
state of equilibrium in which the internal environment ... excrete
sweat and when the sweat evaporates, the skin is cooled. If the body is
not cooled by the time all of the internal water supply is used, it could go
into hypothermia. This is when the body ... is blood pressure
regulation. When the hydrostatic pressure of bloo...
... 130
8 Algorithms for Wireless Sensor Networks 131
8.1 Structural Characteristics of Sensor Nodes 132
8.2 Distinctive Properties of Wireless Sensor Networks 134
8.3 Sensor Network Stack 135
8.4 Synchronization ... the sensors
and sensor networks.
1.1.1 Sensors
Typically a sensor is composed of components that sense the environment, process the
data, and communicate with other sen...