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WiFi & Bluetooth by TAS

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This slide is about WiFi & Bluetooth that we use everyday in our Smart devices. These devices are used for connect with other devices for sharing or plug & play purpose. Here is everything about wifi & bluetooth that you need to know or present to others for educational purpose.

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WiFi & Bluetooth by TAS

  1. 1. Wi-Fi & Bluetooth NAME: TAHERA AL SABIBA DEPARTMENT OF COMPUTER SCIENCE & ENGINEERING
  2. 2. Outlines  Wi-Fi  IEEE 802.11 Family  Wi-Fi Network Topology  Wi-Fi Direct & it’s Features  Bluetooth  Technical Specification  Bluetooth Version  Wi-Fi vs. Bluetooth  Comparison Between Similar Technologies
  3. 3. Wi-Fi  What is Wi-Fi  Short for “Wireless Fidelity”  A trademark of the Wi-Fi Alliance  The brand name for products using the IEEE 802.11 family of standards  Commonly used for “wireless local area network” (WLAN)
  4. 4. IEEE 802.11 Family Protocol Release Freq. (GHz) Data Rate (Mbit/s) (Typical / Max) Range (m) (Indoor/outdoor) A Sep 1999 5 / 3.7 20 / 54 35 / 120 B Sep 1999 2.4 5.5 / 11 35 / 140 G Jun 2003 2.4 22 / 54 38 / 140 N Oct 2009 2.4 / 5 110+ / 300+ 70 / 250
  5. 5. Wi-Fi Network Topology  Point-to-Multipoint (Access Point)  Point-to-Point (Ad hoc)  Multipoint-to-Multipoint (Mesh Network)
  6. 6. Wi-Fi Direct & it’s Features  Connects devices directly, with or without a Wi-Fi network or hotspot available  Makes the connection to open a world of applications, including content sharing, synch, printing, gaming and more  Connects with almost any Wi-Fi CERTIFIED device  Designed for portable and stationary devices
  7. 7. Bluetooth  Wireless Personal Area Networks (WPAN)  Design goal  Cable replacement  Low cost  Low power  Small size  For mobile devices  Standard: IEEE 802.15.1
  8. 8. Technical Specification  Classes  Class 1 (100mW, 100m range)  Class 2 (2.5mW, 10m range)  Class 3 (1mW, 1m range)  RF  ISM band between 2.4-2.485GHz  Frequency hopping over 79 channels, 1600 hops/second
  9. 9. Bluetooth Version Version Data rate Feature 1.2 721 kb/s 2.0 + EDR 3 Mb/s Enhanced Data Rate (EDR) 3.0 + HS 24 Mb/s High-Speed 4.0 1 Mb/s (BLE) Bluetooth Low Energy
  10. 10. Wi-Fi vs. Bluetooth Bluetooth Wifi Specifications authority Bluetooth SIG IEEE, WECA Year of development 1994 1991 Bandwidth Low ( 800 Kbps ) High (11 Mbps ) Hardware requirement Bluetooth adaptor on all the devices connecting with each other Wireless adaptors on all the devices of the network, a wireless router and/or access points Cost Low High Power Consumption Low High Frequency 2.4 GHz 2.4 GHz Security It is less secure It is more secure Range 10 meters 100 meters Primary Devices Mobile phones, mouse, keyboards,office and industrial automation devices Notebook computers, deskto computers, servers Ease of Use Fairly simple to use. Can be used to connect up to seven devices at a time. It is easy to switch between devices or find and connect to any device. It is more complex and requires configuration of hardware and software. Vs.
  11. 11. Comparison Between Similar Technologies NFC RFID Bluetooth Wi-Fi Maximum Operating Range 10 cm 3 m 100 m 100 m Operating Frequency 13.56 MHz Varies1 2.4 GHz 2.4/5 GHz (802.11n) Directional Communication Two way One way Two way Two way Bit Rate 106/212/ 424 Kbps Varies13 22 Mbps 144 Mbps Potential Uses e-Tickets, Credit card payment, Membership card Tracking items, EZ- Pass Communicat e between phones, peripheral devices Wireless internet
  12. 12. Thank You Do You Have any Question ?

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  • KaranShah220

    Apr. 24, 2017

This slide is about WiFi & Bluetooth that we use everyday in our Smart devices. These devices are used for connect with other devices for sharing or plug & play purpose. Here is everything about wifi & bluetooth that you need to know or present to others for educational purpose.

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