|
|
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
  |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
ÀúÈñ ½ò¸®Å×Å©´Â Åë½Å »ç¾÷ÀÚµéÀÇ ÀáÀçÀû ÇÊ¿ä »çÇ×°ú ¿ä±¸ »çÇ×À» Á¤È®È÷
ÆÄ¾ÇÇϰí ÀÌÇØÇÏ¿© ½Ã½ºÅÛÀ¸·Î ±¸ÇöÇØ¼ Á¦°øÇÏ´Â Çٽɱâ¼úÀ» º¸À¯Çϰí
ÀÖ½À´Ï´Ù. 1998³â ¼³¸³ ÀÌÈÄ 3³âÀ̶ó´Â ªÀº ±â°£µ¿¾È SDR(Software
Defined Radio)񃬣, DSP(Digital Signal Processing)񃬣,
¾Æ³¯·Î±×/µðÁöÅÐ ±¤ Àü¼Û ±â¼ú, WDM(Wavelength Division Multiplexing)
±â¼ú µîÀ» ÀÌ¿ëÇÏ¿© Àκôµù(In-building) ±¤ ºÐ»ê ½Ã½ºÅÛ, Optical Link
Unit, µðÁöÅÐ Áß°è±â¸¦ °³¹ßÇÏ¿© KTF¿Í SKÅÚ·¹ÄÞ¿¡ °ø±ÞÇÏ¿´½À´Ï´Ù. |
 |
 |
 |
ÀÌ·¯ÇÑ ½ÇÀûÀ» ¹ÙÅÁÀ¸·Î ½ò¸®Å×Å©´Â ÇÑ °ÉÀ½ ´õ ³ª¾Æ°¡ ÇöÀçÀÇ 2G¸Á¿¡¼
°¡ÀÔÀÚ´ç ¼ö¹é kbps ÀÌ»óÀÇ °í¼Ó ¹«¼±µ¥ÀÌÅÍ Àü¼ÛÀÌ °¡´ÉÇÑ CDMA2000
1xEV-DO(EVolution Data Only)Àåºñ °³¹ßÀ» ÅëÇØ Åë½Å »ç¾÷ÀÚ°¡ ÃÖÀûÀÇ
¸Á ±¸ÃàÀ» ÇÒ ¼ö ÀÖ´Â Á¾ÇÕ ±âÁö±¹ ¼Ö·ç¼ÇÀ» Á¦°øÇÒ ¿¹Á¤ÀÔ´Ï´Ù.
À̷νá ÈÞ´ëÀüȳª PDA·Î ÀºÇà°£ ÀÚ±ÝÀ» ÀÌüÇϰí ÀÎÅÍ³Ý ¼îÇθô¿¡¼
¹°Ç°À» ±¸¸ÅÇÏ´Â µî PC¿¡¼ °¡´ÉÇÑ ¸ðµç ÀÎÅͳÝÀÌ ÈÞ´ëÀüȳª PDA¿¡¼
°¡´ÉÇÏ°Ô µÉ °ÍÀÔ´Ï´Ù. |
 |
 |
 |
1 / 2 |
 |
 |
|
|