1. Communication Techniques Design Team 2 Luke LaPointe Nick Timpf Mark VanCamp Brent Woodman Steve Zuraski Design Team 2 Luke LaPointe Nick Timpf Mark VanCamp Brent Woodman Steve Zuraski www.home-network-help.com/how-does-bluetooth-work.html

2. Serial vs. Parallel Parallel Communication Simultaneous data bit transfer Parallel Communication Simultaneous data bit transfer www.quatech.com/support/figures/comfig12.gif tor_End.jpg

3. Serial vs. Parallel Parallel Communication Crosstalk –EMI Clock Skew –Transfer Speed/Distance limited Parallel Communication Crosstalk –EMI Clock Skew –Transfer Speed/Distance limited

4. Serial vs. Parallel Parallel Communication Parallel ATA ( PATA ) – Former Standard data storage connection Hard disks, Solid State Drives, CD ROM – Max. cable length of 18 inches Clock Skewing Parallel Communication Parallel ATA ( PATA ) – Former Standard data storage connection Hard disks, Solid State Drives, CD ROM – Max. cable length of 18 inches Clock Skewing

5. Serial vs. Parallel Parallel Communication Front Side Bus ( FSB ) … – Link between CPU and Memory controller – Low cost –Allows multi-core processing Parallel Communication Front Side Bus ( FSB ) … – Link between CPU and Memory controller – Low cost –Allows multi-core processing

6. Serial vs. Parallel Parallel Communication Front Side Bus ( FSB ) –Max throughput Width (Bytes) * CLK Freq * Transfers per CLK Cycle 32 bits ( 4 Bytes) * 200MHz * 2 xfers per cycle = 1600 MB/s – Fading Technology Parallel Communication Front Side Bus ( FSB ) –Max throughput Width (Bytes) * CLK Freq * Transfers per CLK Cycle 32 bits ( 4 Bytes) * 200MHz * 2 xfers per cycle = 1600 MB/s – Fading Technology Transfer rate [MB/s] Frequency [MHz]CPU 46-153Dec-40Intel 80386 61-19116-50Intel 80486 381-50350-66Intel Pentium 503-610466-200Intel Celeron 762-1014100-133 Intel Pentium III 2029-3052133-200 AMD Athlon XP 3051-8133100-266.5 Intel Pentium 4 3052-4066100-133.25 Intel Pentium M 3052-6103100-200VIA C7 4066-12207133.25-400Intel Core 2

7. Serial vs. Parallel Parallel Communication Laboratory Instrumentation Bus IEEE-488 Short-Range Been in use for over 30 years: Designed late 1960s Commonly known as HP-IB Daisy Chain Connections Employs 16 signal lines: –8 bi-directional used for data transfer –3 for handshake –5 for bus management Parallel Communication Laboratory Instrumentation Bus IEEE-488 Short-Range Been in use for over 30 years: Designed late 1960s Commonly known as HP-IB Daisy Chain Connections Employs 16 signal lines: –8 bi-directional used for data transfer –3 for handshake –5 for bus management

8. Serial vs. Parallel Parallel Communication Three Criteria when Choosing Parallel 1.Speed – Bit Rate and Skew 2.Cable Length – Crosstalk 3.Complexity – Simple −Requires only a latch to copy data to the data bus Parallel Communication Three Criteria when Choosing Parallel 1.Speed – Bit Rate and Skew 2.Cable Length – Crosstalk 3.Complexity – Simple −Requires only a latch to copy data to the data bus

9. Serial vs. Parallel Parallel Communication Use of Parallel Communication in RF Communication –In place of Morse Code (one bit at a time) –Multi-input Multi-output –Groups of Bits Called “Symbols” –Recent Techniques such as DVB-T have transmitted over 6048 bits in parallel. Parallel Communication Use of Parallel Communication in RF Communication –In place of Morse Code (one bit at a time) –Multi-input Multi-output –Groups of Bits Called “Symbols” –Recent Techniques such as DVB-T have transmitted over 6048 bits in parallel.

10. Serial vs. Parallel Serial Communication Serial Communication www.quatech.com/support/figures/comfig12.gif tor_End.jpg

11. Serial vs. Parallel Serial Communication Crosstalk –EMI Clock Skew –Transfer Speed/Distance limited Serial Communication Crosstalk –EMI Clock Skew –Transfer Speed/Distance limited

12. Serial Communication Synchronous Luke LaPointe Nick Timpf Asynchronous Mark VanCamp Brent Woodman Steve Zuraski Synchronous Luke LaPointe Nick Timpf Asynchronous Mark VanCamp Brent Woodman Steve Zuraski

13. Serial Communication Universal Serial Bus ( USB ) Luke LaPointe Nick Timpf Universal Serial Bus ( USB ) Luke LaPointe Nick Timpf

14. Serial Communication RS-232 Luke LaPointe Nick Timpf RS-232 Luke LaPointe Nick Timpf

15. Serial Communication Bluetooth Why ???? NO CABLES !!!!! Bluetooth Why ???? NO CABLES !!!!! http://cerebralrunoff.files.wordpress.com/2008/12/news_cable_mess_03_full.png

16. Serial Communication Bluetooth WPAN -Wireless Personal Area Network  ~ 30 ft Radius  Multiple devices Bluetooth WPAN -Wireless Personal Area Network  ~ 30 ft Radius  Multiple devices http://searchmobilecomputing.techtarget.com/sDefinition/0,,sid40_gci837444,00.htmlwww.home-network-help.com/how-does-bluetooth-work.html

17. Serial Communication Bluetooth Frequency Hopping 79 channels  V3.0 - 5GHz antenna to boost throughput Bluetooth Frequency Hopping 79 channels  V3.0 - 5GHz antenna to boost throughput

18. Serial Communication Bluetooth Simulates serial ports –RFCOMM Protocol Maps Ports for devices Sets up the buffers in memory –Transparent to legacy serial devices Bluetooth Simulates serial ports –RFCOMM Protocol Maps Ports for devices Sets up the buffers in memory –Transparent to legacy serial devices http://searchmobilecomputing.techtarget.com/sDefinition/0,,sid40_gci837444,00.htmlwww.home-network-help.com/how-does-bluetooth-work.html

19. Serial Communication Bluetooth –Required to set up automatically Finds signal and accepts it Uses one-time key and optional encryption Devices are recognized in the future Bluetooth –Required to set up automatically Finds signal and accepts it Uses one-time key and optional encryption Devices are recognized in the future http://searchmobilecomputing.techtarget.com/sDefinition/0,,sid40_gci837444,00.htmlwww.home-network-help.com/how-does-bluetooth-work.html

20. Serial Communication 802.11 ( Wi-Fi ) Operating Frequency Throughput Net Bit Rate Gross Bit Rate Distance 802.11 ( Wi-Fi ) Operating Frequency Throughput Net Bit Rate Gross Bit Rate Distance