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Introduction to Wireless
Transcript of Introduction to Wireless
to provide secure, reliable, fast wireless connectivity.
Wi-Fi networks operate in the unlicensed
2.4- and/or 5-GHz
Introduction to Wireless
A Better Connected World
That's Smart. That's Bluetooth.
ZigBee is a low-cost, low-power, wireless
standard targeted at wide development of long battery life devices in
Wi-Fi (Wifi / WiFi), is a
local area wireless technology (also
: wireless local area network )
that allows an electronic device to exchange data or connect to the internet.
Bluetooth Low Energy
IEEE 802.11 Families
Medical devices and remote patient monitoring
Consumer devices (tablets, e-books,
media players), web browsing,
Internet connectivity, and streaming
Industrial and home automation,
remote monitoring, controlling, data-logging and diagnostics
Security and surveillance
If you do not catch any thing in the last hour, please keep two pictures in mind !
Bluetooth low energy
, marketed as
, is a wireless personal area network(
) technology aimed at novel applications in the healthcare, fitness, beacons, security, and home entertainment industries.
BLE radio frequencies
Bluetooth versions and device types
Internet of Things
Sports and fitness
Zigbee/IEEE 802.15.4 Protocol Stack
Ultra-low peak, average and idle mode power consumption
Ability to run for years on standard coin-cell batteries
Data rates is
Bluetooth Smart is not backward-compatible with the previous, often called Classic Bluetooth.
Building and industrial automation
Smart wireless lighting control and LED bulbs
Home control and security
Medical and patient monitoring
Logistics and asset tracking
ZigBee builds on the physical layer and media access control defined in IEEE standard
for low-rate WPANs.
ZigBee operates in the industrial, scientific and medical (
) radio bands:
in most jurisdictions worldwide;
784 MHz in China
868 MHz in Europe
915 MHz in the USA and Australia
. Data rates vary from
(868 MHz band) to
(2.4 GHz band).
The ZigBee network layer natively supports both star and tree networks, and generic Mesh networking.
ZigBee is accounting for almost
shipments in 2018.