ºí·çÅõ½º(Bluetooth) ; PANs(Personal Area Networks)
IEEE 802.15.1 ±Ô°ÝÀ» »ç¿ëÇÏ´Â ÀÇ »ê¾÷ Ç¥ÁØ
• ºí·çÅõ½º ¹öÀü 1.1·Î °úÇÐ & ÀÇ·á(ISM)¹êµåÀÎ 2.45GHz¸¦ »ç¿ë
• 10m(100)Á¤µµÀÇ ¹üÀ§¿¡¼ »ç¿ë°¡´É
• ½ºÆÑÆ®·³ È®»ê¹æ½Ä(SS)À» »ç¿ëÇϹǷΠ°£¼·ÆÄ¿¡ °ÇÏ´Ù.
• ºí·çÅõ½º´Â ºü¸£°í ¾ÈÁ¤ÀûÀÎ µ¥ÀÌÅÍ ¼Óµµ¸¦ Á¦°øÇϱâ À§ÇØ ÁÖÆļöÈ£ÇÎ ¹æ½Ä(FHSS) »ç¿ë
• ¾à 1Mbit(720kbps)ÀÇ µ¥ÀÌÅÍ¿Í À½¼ºÀ» µ¿½Ã¿¡ Àü¼ÛÁö¿ø
• °³¹ßµ¿±â·Î´Â ÀåÄ¡°£ÀÇ ÄÉÀ̺íÁ¦°Å, µ¥ÀÌÅÍ¿Í À½¼ºµ¿½Ã Áö¿ø, ¿©·¯ ºí·çÅõ½º°£ÀÇ Æ¯º° ³×Æ®¿öÅ©,
IrDA´Â °¡½Ã°Å¸®¿¡ ÀÖ¾î¾ß ÇÏÁö¸¸ ºí·çÅõ½º´Â ¸¶ÁÖ º¼ ÇÊ¿ä°¡ ¾øÀ½
(¿¡¸¯½¼, IBM, ÀÎÅÚ, ³ëÅ°¾Æ, µµ½Ã¹Ù¿¡¼ ½ÃÀÛ)
• Bluetooth 1.1 specifies a wireless technology in the unlicensed 2.45GHz Industrial, Scientific and Medical (ISM) band.
• Supports a range of 10 (100) meters
• Requires the use of spread spectrum transmission technology resistant to interference.
• Bluetooth deploys fast rate frequency hopping (FHSS) to provide robust data transmission
• Supports simultaneous transmission of both voice and data with approximately 1 Mbit/s (720 kbps) data rate
¹«¼± ·£ (Wireless Local Area Network) IEEE 802.11 (¿ÍÀÌÆÄÀÌ(Wi-Fi))
802.11
|
Speed
|
Freq.
|
Security
|
802.11a
|
54Mbps
|
5GHz
|
º¸Åë
|
802.11b
|
11Mbps
|
2.4GHz
|
Ãë¾à
|
802.11g
|
54Mbps
|
2.4GHz
|
º¸Åë
|
802.11n
|
300Mbps
|
2.4/5GHz
|
º¸Åë
|
|