¡ÒÃàª×èÍÁμͼèÒ¹Ãкºè Wireless LAN (μÇàÅ×Í¡)Ñ

ÊÀÒÇСÒ÷ӧҹẺà¹çμàÇÔÃì¡äÃéÊÒ (Wireless LAN) ¤×Íà¹çμàÇÔÃì¡·ÕèÁÕ¡ÒÃÊ×èÍÊÒö֧¡Ñ¹¼èÒ¹à¤Ã×èͧ¤ÍÁ¾ÔÇàμÍÃìËÅÒÂæ à¤Ã×èͧ ·ÕèºéÒ¹ËÃ×ÍÍÍ¿¿ÔÈ¢¹Ò´àÅç¡â´ÂãªéÍØ»¡Ã³ìwireless LAN

¡ÒÃàª×èÍÁμͼèÒ¹è wireless network ÃÐËÇèÒ§à¤Ã×èͧ ¤Ø³ÊÒÁÒöãªé¿Ñ§¡ìªÑ¹μÒ§æè ¢Í§à¹çμàÇÔÃì¡ä´éàªè¹ ¡ÒÃáªÃìä¿Åìâ¿Åà´ÍÃìËÃ×Í à¤Ã×èͧ¾ÔÁ¾ìàÁ×èÍÁÕ¡ÒÃÊÃéÒ§à¹çμàÇÔÃì¡ÃÐËÇèÒ§à¤Ã×èͧ¤ÍÁ¾ÔÇàμÍÃì¢Öé¹áÅéÇ ¤ÍÁ¾ÔÇàμÍÃì·ÕèäÁèä´éàª×èÍÁμ͡ѺÍÔ¹àè μÍÃìà¹çμÊÒÁÒöáªÃì

¡ÒÃàª×èÍÁμÍä´éâ´Âàè ¢éÒãªé§Ò¹¼èÒ¹à¤Ã×èͧ·ÕèÁÕ¡ÒÃàª×èÍÁμ͡ѺÍÔ¹àè μÍÃìà¹çμ ÊÓËÃѺÃÒÂÅÐàÍÕ´ â»Ã´´Ù·Õè ”¡ÒÃãªéÍÔ¹à·ÍÃìà¹çμÃèÇÁ¡Ñ¹” ·Õè˹éÒ 68

¤Ó͸ԺÒÂã¹Êèǹ¹Õé¨ÐÍéÒ§ÍÔ§ Intel(R) PRO/Wireless 3945ABG ËÃ×Í 3945BG

¡ÒÃàª×èÍÁμÍÍØ»¡Ã³ìà¤Ã×Íè ¢èÒ (μͨҡ¹Õé¨ÐàÃÕ¡ÇèÒ¡ÒÃì´è802.11ABG ËÃ×Í 802.11BG)

¡ÒÃì´ LAN äÃéÊÒÂà»ç¹ÍØ»¡Ã³ìàÊÃÔÁ ÃØ蹢ͧ¡ÒÃì´ LAN äÃéÊÒ¨ТÖé¹ÍÂÙè¡Ñº¼ÅÔμÀѳ±ì·Õèà¡ÕèÂÇ¢éͧ

¡ÒÃ짤èÒ¡ÒÃàª×èÍÁéÑ μÍè LAN äÃéÊÒ¨Ð͸ԺÒÂμÒÁ¡Ã³Õ¢Í§¤ÍÁ¾ÔÇàμÍÃì·Õèμ´Ôμ§éÑ Windows XP Service Pack 2

¢Íá¹Ð¹ÓãËéãªé¡ÒÃ짤èÒ´Õ¿ÍÅéÑ μ¢ìͧ Windows XP ÊÓËÃѺ¡ÒÃ짤èÒéÑ LAN äÃéÊÒ ÊÓËÃѺ¤ÍÁ¾ÔÇàμÍÃì·Õèμ´Ôμ§éÑ Windows XP

㹡ÒÃ짤èÒâ´Âãªé«Í¿éÑμáÇÃì·ÕèÁÒ¨Ò¡¼Ùé¼ÅÔìμ¡ÒÃì´ LAN äÃéÊÒ â»Ã´´Ù·Õè˹éÒ ¡ÒÃãªéà¤Ã×Í¢èÒÂäÃéÊÒ¡Ѻ â»Ãá¡ÃÁ¡ÒÃ짤èÒéÑ LAN äÃéÊÒÂ' ”¡ÒÃãªéÍÔ¹à·ÍÃìà¹çμÃèÇÁ¡Ñ¹” (¹. 68)

㹡ÒÃãªéLAN äÃéÊÒ ãËé¡´»ØèÁ <Fn> áÅÐ <F8> ÃèÇÁ¡Ñ¹à¾×èÍàÃÔèÁãªé§Ò¹ LAN äÃéÊÒ àÁ×èÍ LAN äÃéÊÒ·ӧҹ ä¿Ê¶Ò¹Ð¡Ò÷ӧҹ¢Í§ LAN äÃéÊÒ ( ) ¨ÐÊÇèÒ§¢Öé¹

¡ÒÃàª×èÍÁμÍäÇÃìàÅÊà¹çè μàÇÔÃì¡ÊÒÁÒöáºè§ÍÍ¡à»ç¹Êͧ¡ÅØèÁãË−æè

1) Access Point (AP)

¤Ø³ÊÒÁÒöàª×èÍÁμ͡Ѻè AP à¾×èÍãËéÊÒÁÒöãªé§Ò¹à¹çμàÇÔÃì¡ä´é«Ö觨ÐÊÒÁÒö·Óä´é੾ÒÐàÁ×èÍÁÕ¡ÒÃμ´Ô μ§ÍØ»¡Ã³ìéÑ AP áÅéÇà·èÒ¹Ñé¹

ÊÓËÃѺÃÒÂÅÐàÍÕ´ â»Ã´´Ù·Õ蔡ÒÃàª×èÍÁμÍä»Âѧè Access Point (AP)” ·Õè˹éÒ 60Access Point (AP) ¤×ÍÍÐäÃ?

AP ¤×ÍÍØ»¡Ã³ìà¹çμàÇÔÃì¡·Õèàª×èÍÁμÍÃÐËÇèÒ§ÃкºèLAN Ẻà´ÔÁáÅÐÃкº wireless LAN áÅÐμ´Ôμ͡Ѻè wireless hub

ã¹à¹çμàÇÔÃì¡áººà´ÔÁ ¤Ø³ÊÒÁÒöàª×èÍÁμͤÍÁ¾ÔÇàè μÍÃìËÅÒÂæ à¤Ã×èͧ·ÕèÁÕ¡ÒÃμ´Ôμ§éÑ wireless LAN ¼èÒ¹ AP ä´é

2) ¤ÍÁ¾ÔÇàμÍÃìä»Âѧ¤ÍÁ¾ÔÇàμÍÃì (ad hoc)¡ÒÃàª×èÍÁμÍẺ¹ÕéàÃÕ¡ÍÕ¡ÍÂèÒ§ÇèÒà¹çèμàÇÔÃì¡áºº peer-to-peer

ã¹à¹çμàÇÔÃì¡äÇÃìàÅʢͧ¡ÒÃàª×èÍÁμÍÃÐËÇèÒ§¤ÍÁ¾ÔÇàèμÍÃìä»Âѧ¤ÍÁ¾ÔÇàμÍÃì¤Ø³ÊÒÁÒöàª×èÍÁμÍà¤Ã×èͧ¤ÍÁ¾ÔÇàèμÍÃì·ÕèÁÕ¡ÒÃ

μ´Ô μ§ÍØ»¡Ã³ìéÑ wireless LAN 2 à¤Ã×èͧËÃ×ÍÁÒ¡¡ÇèÒẺäÃéÊÒÂä´éÊÓËÃѺÃÒÂÅÐàÍÕ´ â»Ã´´Ù·Õè ”¡ÒÃàª×èÍÁμÍà¹çè μàÇÔÃì¡ÃÐËÇèÒ§¤ÍÁ¾ÔÇàμÍÃìä»Âѧ¤ÍÁ¾ÔÇàμÍÃì(peer-to-peer ËÃ×Í ad hoc)” (¹. 61)

¡ÒÃàª×èÍÁμè͡ѺÍÔ¹àμÍÃìà¹çμ 59