Lớp ĐT1_K48
Nhóm thực hiện:Nguyễn Đức Toàn
Phạm Phú Tuấn
Nguyễn Anh Tuấn
Nguyễn Ngọc Đức
Đào Quang Trung
Phạm Quốc Vượng
Giáo viên hướng dẫn:

Wireless Sensor Networks
MỤC LỤC
INTRODUCTION
COMMUNICATION NETWORKS
WIRELESS SENSOR NETWORKS
Example
INTRODUCTION
Smart environments represent the next evolutionary development step in building, utilities, industrial, home, shipboard, and transportation systems automation Like any sentient organism, the smart environment relies first and foremost on sensory data from the real or1d Sensory data comes from multiple sensors of different modalities in distributed locations
INTRODUCTION
2.COMMUNICATION NETWORKS
2.1 Network Topology
2.2 Communication Protocols and Routing
2.3 Power Management
2.4 Network Structure and Hierarchical Networks
2.1 Network Topology

Mesh networks
Mesh networks:are regularly distributed networks that generally allow transmission only to a node’s nearest neighbors. The nodes in these networks are generally identical, so that mesh nets are also referred to as peer-to-peer nets.
Mesh nets can be good models for large-scale networks of wireless sensors that are distributed over a geographic region.
2.2 Communication Protocols and Routing
2.2 Communication Protocols and Routing
*Multiple Access Protocols:
In: -ALOHA
-TDMA
-FDMA
-CDMA
*Open Systems
Interconnection
Reference Model
(OSI/RM).

2.3 Power Management

2.4 Network Structure and Hierarchical Networks
Multicast Systems

2.4 Network Structure and Hierarchical Networks
Hierarchical Networks.

2.4 Network Structure and Hierarchical Networks
Hierarchical Networks.
Hierarchical Networks.

2.4 Network Structure and Hierarchical Networks
WIRELESS SENSOR NETWORKS

3.1 IEEE 1451 and Smart Sensors
3.2 Transducers and Physical Transduction Principles
3.3 Sensors for Smart Environments
3.4 Commercially Available Wireless Sensor Systems

3.1 IEEE 1451 and Smart Sensors


3.1 IEEE 1451 and Smart Sensors
3.2 Transducers and Physical Transduction Principles
Mechanical Sensors
- The Piezoresistive Effect
-Tunneling Sensing
-Capacitive Sensors
Magnetic and Electromagnetic Sensors
-Thermal Sensors
-Acoustic Wave Sensors


3.3 Commercially Available Wireless Sensor Systems
Crossbow Berkeley Motes may be
the most versatile wireless sensor
network devices on the market for
prototyping purposes. Crossbow
(http://www.xbow.com/) makes
three Mote processor radio module
families– MICA [MPR300] (first
generation), MICA2 [MPR400] and
MICA2-DOT [MPR500] (second
generation). Nodes come with five
sensors installed- Temperature, Light,
Acoustic (Microphone), Acceleration/
Seismic, and Magnetic. These are
especially suitable for surveillance
networks for personnel and vehicles.
4.Example: Building and Home Automation