ÎÊÌâÒÑ¿ªÆô
(ÆÕͨÎÊÌâ)
OFDM ×ÓÖ¡ »¹ÓÐ×ÓÔز¨
ÇëÎʸ÷룬OFMD·ûºÅ ºÍ×ÓÖ¡ »¹ÓÐ×ÓÔز¨ ÓÐʲôÁªÏµÄØ£¿ ¿´²»Ôõô¶®ÁË ±ÈÈçÑ»·Ç°×º ÊÇOFMD·ûºÅºóµÄÐźŸ´ÖƵ½×îÇ°¶Ë
ÌáÎÊÕß: Falkner_1209 ÌáÎÊʱ¼ä: 2015-01-12
• OFDMÓÐÄÄЩȱµã£¿ 2020-07-04
• OFDMµÄÓÅÊÆÓëÁÓÊÆ£¿ 2020-03-13
• Ò»¸öOFDM·ûºÅÈÝÁ¿ 2019-03-20
• ÎïÀí¹ã²¥ÏûÏ¢µ½OFDM·ûºÅÔÀíÊÇʲô£¿ 2018-10-18
• ÓÐÒ»¸öÎÊÌâÎÒÏ벻̫Ã÷°×£ºOFDMºÍMFSKÓйØϵÂð£¿MFSK±£Ö¤¸÷×ÓÔز¨Õý½»µÄÌõ¼þÊÇ¡÷f=0.5*k*Rs£¨kÊÇÕýÕûÊý£¬RsÊÇ·ûºÅËÙÂÊ£©£¬Èç¹ûÈ¡k=1£¬×ÓÔز¨´ø¿íΪRs£¬ÕâʱҲ»á³öÏÖƵÆ×½»µþ£¬ÊDz»ÊÇÒ² 2017-12-27
• ÓÐÒ»¸öÎÊÌâÎÒÏ벻̫Ã÷°×£ºOFDMºÍMFSKÓйØϵÂð£¿MFSK±£Ö¤¸÷×ÓÔز¨Õý½»µÄÌõ¼þÊÇ¡÷f=0.5*k*Rs£¨kÊÇÕýÕûÊý£¬RsÊÇ·ûºÅËÙÂÊ£©£¬Èç¹ûÈ¡k=1£¬×ÓÔز¨´ø¿íΪRs£¬ÕâʱҲ»á³öÏÖƵÆ×½»µþ£¬ÊDz»ÊÇÒ² 2017-12-27
• ÈçºÎÀí½âOFDMA 2017-07-17
• ¹ý²ÉÑù»áÔì³ÉOFDMÐźŵĴø¿í·¢Éú±ä»¯Âð 2017-07-07
• OFDMµÄÓÅÊÆÓëÁÓÊÆ£¿ 2020-03-13
• Ò»¸öOFDM·ûºÅÈÝÁ¿ 2019-03-20
• ÎïÀí¹ã²¥ÏûÏ¢µ½OFDM·ûºÅÔÀíÊÇʲô£¿ 2018-10-18
• ÓÐÒ»¸öÎÊÌâÎÒÏ벻̫Ã÷°×£ºOFDMºÍMFSKÓйØϵÂð£¿MFSK±£Ö¤¸÷×ÓÔز¨Õý½»µÄÌõ¼þÊÇ¡÷f=0.5*k*Rs£¨kÊÇÕýÕûÊý£¬RsÊÇ·ûºÅËÙÂÊ£©£¬Èç¹ûÈ¡k=1£¬×ÓÔز¨´ø¿íΪRs£¬ÕâʱҲ»á³öÏÖƵÆ×½»µþ£¬ÊDz»ÊÇÒ² 2017-12-27
• ÓÐÒ»¸öÎÊÌâÎÒÏ벻̫Ã÷°×£ºOFDMºÍMFSKÓйØϵÂð£¿MFSK±£Ö¤¸÷×ÓÔز¨Õý½»µÄÌõ¼þÊÇ¡÷f=0.5*k*Rs£¨kÊÇÕýÕûÊý£¬RsÊÇ·ûºÅËÙÂÊ£©£¬Èç¹ûÈ¡k=1£¬×ÓÔز¨´ø¿íΪRs£¬ÕâʱҲ»á³öÏÖƵÆ×½»µþ£¬ÊDz»ÊÇÒ² 2017-12-27
• ÈçºÎÀí½âOFDMA 2017-07-17
• ¹ý²ÉÑù»áÔì³ÉOFDMÐźŵĴø¿í·¢Éú±ä»¯Âð 2017-07-07
ÎÊÌâ´ð°¸
( 1 )
ÔÚ¿ÕÖнӿÚÉÏ£¬LTEϵͳ¶¨ÒåÁËÎÞÏßÕìÀ´½øÐÐÐźŵĴ«Ê䣬1¸öÎÞÏßÖ¡µÄ³¤¶ÈΪ10ms¡£LTEÖ§³ÖÁ½ÖÖÖ¡½á¹¹FDDºÍTDD¡£
ÔÚFDDÖ¡½á¹¹ÖУ¬Ò»¸ö³¤¶ÈΪ10msµÄÎÞÏßÖ¡ÓÉ10¸ö³¤¶ÈΪ1msµÄ×ÓÖ¡¹¹³É£¬Ã¿¸ö×ÓÖ¡ÓÉÁ½¸ö³¤¶ÈΪ0.5msµÄʱ϶¹¹³É¡£
ÔÚTDDÖ¡½á¹¹ÖУ¬Ò»¸ö³¤¶ÈΪ10msµÄÎÞÏßÖ¡ÓÉ2¸ö³¤¶ÈΪ5msµÄ°ëÖ¡¹¹³É£¬Ã¿¸ö°ëÖ¡ÓÉ5¸ö³¤¶ÈΪ1msµÄ×ÓÖ¡¹¹³É£¬ÆäÖаüÀ¨4¸öÆÕͨ×ÓÖ¡ºÍ1¸öÌØÊâ×ÓÖ¡¡£ÆÕͨ×ÓÖ¡ÓÉÁ½¸ö0.5msµÄʱ϶×é³É£¬¶øÌØÊâ×ÓÖ¡ÓÉ3¸öÌØÊâʱ϶£¨DwPTS¡¢GPºÍUpPTS£©×é³É¡£
»Ø´ðÕߣº
zhangshiqin
»Ø´ðʱ¼ä£º2015-01-12 11:15
9 10
ÈȵãÎÊÌâ
¸ü¶à¾«²Ê
ÁªÏµÎÒÃÇ - ÎÊͨÐÅר¼Ò | Powered by MSCBSC Òƶ¯Í¨ÐÅÍø © 2006 - |