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___________________________________________________________________________
: BLUETOOTH :
:
, 4-11____________________________________________
, 20151. ..3-51.1. Bluetooth? ?
1.2. Bluetooth-
2. Bluetooth .6-7
3. 83.1. Bluetooth 1.0 1.0B3.2. Bluetooth 1.13.3. Bluetooth 1.23.4. Bluetooth 2.04. 9-124.1.
4.2.
4.3.
4.4. Air Interface5. k136. a14Bluetooth .
Bluetooth PDA (personal digital assistant) , , - , , . Bluetooth - Bluetooth , chat WiFi. Bluetooth a, ( 10 cm 100 m) . Bluetooth , ( 100 m), . , .
Harold Bluetooth . (940. 981.) . , , . Bluetooth, 1994. Ericsson Mobile Communications . .
Ericsson Bluetooth Special Interest Group (SIG). : Sony Ericsson, IBM, Intel, Toshiba Nokia, . IEEE 802.15 IEEE 802 ( PAN ) 4 1 (IEEE802.15.1) Bluetooth . , . Ericsson- (), . Sven Mattissona . Jaap Haartsena, Bluetooth .
Ericsson Bluetooth Multi-Communicator Link (MC Link). , , .
1997. Ericsson , , .Ericsson (Nokia , IBM Toshiba Intel ) .
Bluetooth 20. 1998. : Ericsson, IBM, Intel, Nokia Toshiba, , , , SIG (Special Interests Group).
Bluetooth point-to-point point-to-multipoint 10 . bluetooth , . piconet. piconet 8 ( master slave ), piconeta ( 10, 80 ) scattement.
piconeta
scattementa
Bluetooth . bluetooth ISM spread spectrum frequency hopping . Bluetooth ISM . bluetooth , bluetooth 1600 2.402 GHz 2.480 GHz 1 Hz, 1 mW. packet switching. () . , . , , . circuit switching , . Bluetooth packet switching circuit switching, .
Bluetooth 1.0 1.0 1.0 1.0 . Bluetooth Hardware Device Address (BD_ADDR) handshaking, , .
Bluetooth 1.1
.
Bluetooth 1.2
:
Adaptive Frequency Hopping (AFH) -
extended Synchronous Connections (eSCO) -
Received Signal Strength Indicator (RSSI) - Bluetooth 2.0
2.1 Mbit/s.
3 ( 10 ) multi link
master 7 slave. 8 piconet .
master slave , master slave-a . master. ( slave-a master-a) scattement.
Bluetooth :
1. (Connection) ( ) (, )
2. (Standby)
standby, 1.28 . 32 (frequency hopping).
standby connection, : Active . Sniff - . Hold master slave hold. , slave hold- . Park /. park .
bluetooth standby . , . ( ) master . Bluetooth . inquiry () . , page probudi, standby conection . :
inquiry, , . , . , , , .
48 . .
24 . (, PDA, .). , .
, , ( ) . , . , bluetooth , bluetooth . .
Air interface ISM (industrial, scientific and medical) 2.45 GHz. Bluetooth 79 ( 1 Hz - ) 1600 . 1.1 1.2 723.1 Kbit/s 2.0 2.1 Mbit/s. 2.0 . , 3 .
Bluetooth , . , DSL (Digital Subscriber Line). highspeed data servis GPRS . bluetooth , bluetooth . bluetooth , , .
Bluetooth ( , ), bluetooth .
VOIP ( IP ). VOIP bluetooth VOIP.:
1. http://en.wikipedia.org/wiki/Bluetooth2. http://www.supermediastore.com/3. http://www.bluetooth.com/4. http://www.google.com/5. http://www.tutorial-reports.com/wireless/bluetooth/6. David Meyer (2009-04-22). "Bluetooth 3.0 released without ultrawideband7. Guy Kewney (2004-11-16). "High speed Bluetooth comes a step closer: enhanced data rate approved8. Andreas Becker (2007-08-16) (PDF). Bluetooth Security & Hacks 9. Stallings, William. (2005). Wireless communications & networks.10. Newton, Harold. (2007). Newtons telecom dictionary. New York: Flatiron Publishing. : ______________________
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