DEIM Forum 2011 B9-4 Bluetooth 111 111 1-1 E-mail: {tomomi,komiyama,shimoda,yokota}@c.oka-pu.ac.jp, liu@mis.ous.ac.jp Bluetooth Bluetooth Bleutooth Bluetooth Bluetooth Bluetooth,, Examination of Positional Presumption Method based on Received Signal Strength Indicator Between Bluetooth Devices Tomomi SATO, Satoru KOMIYAMA, Masahito SHIMODA, Bojiang LIU, and Kazumasa YOKOTA Okayama Prefectural University, Faculty of Computer Science and System Engineering 111, Kuboki, Soja, Okayama, 719-1197 Okayama Prefectural University, Graduate School of Systems Engineering 111,Kuboki, Soja, Okayama, 719-1197 Okayama University of Science, Faculty of Infomatics 1-1, Ridai-cho, Okayama, 700-0005 Japan E-mail: {tomomi,komiyama,shimoda,yokota}@c.oka-pu.ac.jp, liu@mis.ous.ac.jp 1. GPS RFID WiFi GPS [1] [2] RFID RFID RFID WiFi Place Engine skyhook Place Engine WiFi Place Engine WiFi [3] WiFi 5m 100m WiFi Bluetooth
Bleutooth 2009 Bluetooth Ver.3.0 Bluetooth LAN Bluetooth Bluetooth Bluetooth 2. Bluetooth ( Bluetooth) Bluetooth ( Bluetooth) 2. 1 Bluetooth IEEE802.15.1 LAN 2.4GHz Bluetooth RSSI Received Signal Strengh Indication RSSI Bluetooth Bluetooth Bluetooth Bluetooth Bluetooth RSSI RSSI RSSI RSSI 2. 1. 1 RSSI Bluetooth Bluetooth RSSI class2 Bluetooth RSSI pybluez inquiry-with-rssi.py RSSI 1 1 RSSI 20dBm RSSI 1 1m 3m 1 RSSI 2. 1. 2 class Bluetooth class class1=100m,class2=10m,class3=1m class3 class1,2 RSSI 50 3m class1 2 class2 3 class1 class2 2 class1 2 40m RSSI 50 15 3 class2 6m class2 Bluetooth 5m class1 50m class1
3 class2 5 RSSI 2. 1. 3 4 LAN RSSI 5 5 RSSI RSSI 2. 1. 4 RSSI 3m 50 RSSI 50 RSSI 50 25 6 6 50 1 2 4 RSSI 50 RSSI RSSI 15m RSSI -65-85 RSSI RSSI RSSI 6 RSSI 50 Bluetooth
Bluetooth 50 3 5 25 50 3 5 RSSI 100 5 2.1.6 2. 2 RSSI 1 1 (m) 1 3m 3 6m 6 9m 9 12m 12 27m 27 30m RSSI(dBm) -62-50 -62-72 -76-72 -80-76 -80-84 -84 4 RSSI ( ) 3. Bluetooth Bluetooth Blurtooth RSSI 2 RSSI Bluetooth Bluetooth 3. 1 RSSI 2 7 40 (m) 1 3m 3 6m 6 9m 9 12m 12 15m -57-45 -61-57 -64-61 -68-64 -72-68 -62-45 -72-62 -76-72 -80-76 -82-80 -64-45 -72-64 -73-72 -73-73 -74-73 (m) 15 18m 18 21m 21 24m 24 27m 27 30m -75-72 -78-75 -80-78 -81-80 -82-81 -82-81 -81-81 -83-81 -84-83 -84-83 -76-74 -77-76 -81-77 -81-79 -81-79 (m) 30 33m 33 36m 36 39m 39 42m 42 45m -83-82 -84-83 -85-84 -86-85 -86-85 -83-85 -85-85 -84-85 -84-85 -83-81 -83-82 -83-82 -84-83 -84 1 RSSI 7 1 RSSI 3 5dBm 3m RSSI RSSI 1 2 4 (m) 1 3m 3 6m 6 9m 9 12m RSSI(dBm) -57-45 -61-57 -64-61 -68-64 (m) 12 15m 15 21m 21 30m 30 45m RSSI(dBm) -72-68 -78-72 -82-78 -82 2 RSSI ( ) 40m (A,B,C,D) Bluetooth (a,b,c) RSSI 25 class1 3. 2 2 5 RSSI Bluetooth(A,B,C,D) 6 A B C D a -68.32-77.48-85.28-81.68 b -76.6-78.48-80.16-76.84 c -85.24-79.56-67.96-75.2 5 Bleutooth RSSI (m) 1 3m 3 6m 6 18m RSSI(dBm) -64-45 -72-64 -76-72 (m) 18 24m 24 30m 30 45m RSSI(dBm) -81-76 -83-81 -83 3 RSSI ( ) A B C D a 9 12m 18 27m 39 45m 27 39m b 18 27m 18 27m 27 39m 18 27m c 39 45m 27 39m 9 12m 18 27m 6 2 Bluetooth
Bluetooth 8 10 3 m RSSI 25 RSSI 2 2 1,2 RSSI 7 7 8 11 13 (m) 1 3m 3 6m 6 12m 12 18m RSSI(dBm) -57-45 -63-57 -67-63 -73-67 (m) 18 24m 24 33m 33 45m RSSI(dBm) -78-73 -82-78 -82 7 RSSI ( ) 8 a A B C D a 12 18m 18 24m 33 45m 24 33m b 18 24m 24 33m 24 33m 18 24m c 33 45m 24 33m 12 18m 18 24m 8 7 Bluetooth 9 b 11 a ( ) 10 c 12 b ( )
[3] Place Engine,http://www.placeengine.com. [4],,, : Bluetooth,. 13 c ( ) a,c b b 6 8m 4. Bluetooth Bluetooth Bluetooth Bluetooth Bluetooth class Bluetooth Bluetooth [1], : GPS ( (3), ),. PRMU,, 106, 73, pp. 7580 (20060519). [2] YRP,http://www.ubin.jp/.