Bluetooth LAN Access Point

1
Bluetooth LAN Access Point

• ???? ????
• ???? ?? ???
• ?????? ??? ?????
• ??? ?????

2
???? ????????

• ???????? ???? ????? Wireless ?- LAN ???????
  ????? Bluetooth .
• ????? ?- LAN ?????? ??????? ???????? PPP ???
  RFCOMM.
• ?????? ????? ???? ?- LAN ??????? SOCKS ???
  RFCOMM.
• ???????? ????? ?????? ?????? ????????? ??????
  ?????.

3
???

• LAP ???? ?????

4
??? - ????

• ????? ???? ????? ?????? ?????????
• ? LAP ??? ?- MASTER ????.
• ?? ??? ??? ???? Inquiry ?????? ??????? ???????.
• ??? ???? ?????? ???????( ???? ???? ?????? ?- LAN
  ???? ?- MASTER).
• ???? ??????? ?- LAP ???? ????????? ???????.
• ?- DT (Data Terminal)??? MASTER ??????
  ?????????
• ????? ????? ????? ?? ?? ?? ???? ??????.
• ????? ??????? ???? ???? ??? ??????.
• ????? ????? ??????.

5
??? - ????

• ?????? ?????? ??????? LAN
• ????? Inquiry ?????? ????? BT ????? ?????.
• ????? ???? LAP ????? ???????? SDP.
• ???? ??? RFCOMM/L2CAP ??? DT (Data Terminal)????
  LAP.
• ???? ??? PPP ??? ??????? ??????? ????? ????? IP ?
  DT.
• ????? ?????? IP ???? ????????.
• ????? ??? ?????? ??? ??????.

6
???? ?????? ??????? ??????
Figure 2 Software Module Block Diagram
7
???? ??????

• CONTROL ????? ?????? ?????, ????? inquiry,
  ????? ????? SDP, ????? ?? ???? ????? ???
  RFCOMM/L2CAP, ????? ?? ???? ????? ??? PPP .
• SERVICE BROWSER ???? ?"? ? CONTROL, ????? ??
  ???????? SDP ??? ??????? ??????? ?"? ?- CONTROL.

8
???? ?????? - ????

• RFCOMM DRIVER ????? ????? ????? ??? ????? ? -
  BT.
• LOCAL PPP SERVER ???? ??? RFCOMM, ?????
  ???????? ????? ??? ????? ?- HTTP ???? ?- LAN.

9
???? ?????? - ????
SERVICE
LAP
RFCOMM
CONTROL
CONFIG
DRIVER

• CONTROL ???? ?????? ????? ?- LAP, ???? ?? ?????
  SDP ????? ?- SERVICE CONFIGURATION, ????? ???????
  ?? ?- LAN.
• RFCOMM DRIVER ????? ????? ????? ??? ????? ? -
  BT.
• SERVICE CONFIGURATION - ????? Service Attributes,
  ???? ????? SDP.

10
??? ?????
11
?????
12
??????!