ÇëÎÊ£¬DC-HSUPAΪʲôֻ֧³ÖʹÓÃ2ms TTI£¿£¿
• HSUPA ºÍHSDPA TTIʱ¼äÎÊÌâ 2013-07-07
• HSUPA,2TTIµÄÕ¼Óã¡ 2012-11-08
• HSUPAÕ¼ÓÃTTI10msµÄ·åÖµÊÇ1448.32kbit/sµÄÔÒò£¿ 2012-10-18
• HSUPAµÄTTIÓÐ2msºÍ10ms£¬´ÓÄÄÒ»ÌõÐÅÁîÀïÃæ¿ÉÒÔ¿´µ½UEÓõÄÊÇÄÄÒ»¸ö 2012-10-10
• HSUPA Õ¼ÓÃTTI10ms ËÙÂÊÊÇÔõôËã³öÀ´µÄ 2012-09-27
• WCDMAÖУ¬HSUPAµÄServing TTIÊÇ2ms»¹ÊÇ10ms¾¿¾¹ÊÇÓÉʲô¾ö¶¨µÄ£¿ 2011-12-26
TTI: Transmission Time Interval£¨´«Êäʱ¼ä¼ä¸ô£©
´«Êäʱ¼ä¼ä¸ô(TTI)ÊÇÔÚ UMTS£¨ºÍÆäËüÊý×ÖµçѶÍøÂ磩ÖеÄÒ»¸ö²ÎÊý£¬ÊÇÖ¸Êý¾ÝѹËõ´Ó¸ü¸ß²ãµ½Ö¡ÖнøÐд«ÊäÔÚÒ»¸öÎÞÏßÁ´Â·²ãÖС£TTI ÊÇÖ¸ÔÚÎÞÏßÁ´Â·ÖеÄÒ»¸ö¶ÀÁ¢½âÂë´«ÊäµÄ³¤¶È¡£TTI Óë´Ó¸ü¸ßÍøÂç²ãµ½ÎÞÏßÁ´Â·²ãµÄÊý¾Ý¿éµÄ´óСÓйء£
TTIÊÇÖ¸´«Êäʱ¼ä¼ä¸ô£¬Ã¿¸ö´«ÊäÐŵÀ(TrCH)¶ÔÓ¦Ò»¸öÒµÎñ£¬ÓÉÓÚ¸÷ÖÖÒµÎñ¶ÔʱÑÓµÄÒªÇó²»Í¬£¬ËùÒÔÆä´«Êäʱ¼ä¼ä¸ô(TTI)ÊDz»Í¬µÄ£¬TTI¿ÉÒÔÊÇ10ms¡¢20ms¡¢40ms»ò80ms¡£
ÔÚHSUPAÖвÉÓÃÁËTTIΪ2 msµÄ¸ü¶ÌµÄÖ¡½á¹¹ÓëTTIΪ10 msÖ¡»ìºÏʹÓõĻúÖÆ¡£ÐÒé¹æ¶¨10 msÖ¡½á¹¹ÒªÇóËùÓÐUEÇ¿ÖÆÖ§³Ö£¬2 msÖ¡½á¹¹Îª¿ÉÑ¡¡£¸ü¶ÌµÄÖ¡½á¹¹¿ÉÒÔʹ¸ø¶¨µÄʱ¼äÄÚÎïÀí²ãµÄÖØ´«´ÎÊýµÃµ½Ôö¼Ó£¬´Ó¶øÌṩÁ´Â·µÄЧÂʺÍÍÌÍÂÂÊ£¬¶ÔÓ¦ÏàͬµÄÎïÀí²ãʱÑÓ£¬¸ü¶ÌµÄÖ¡½á¹¹¿ÉÒÔÓÐЧ½µµÍÉϲãµÄ´«ÊäʱÑÓ¡£
11 18
2 msÖ¡½á¹¹Îª¿ÉÑ¡¡£¸ü¶ÌµÄÖ¡½á¹¹¿ÉÒÔʹ¸ø¶¨µÄʱ¼äÄÚÎïÀí²ãµÄÖØ´«´ÎÊýµÃµ½Ôö¼Ó£¬´Ó¶øÌṩÁ´Â·µÄЧÂʺÍÍÌÍÂÂÊ£¬¶ÔÓ¦ÏàͬµÄÎïÀí²ãʱÑÓ£¬¸ü¶ÌµÄÖ¡½á¹¹¿ÉÒÔÓÐЧ½µµÍÉϲãµÄ´«ÊäʱÑÓ¡£
6 8
ÁªÏµÎÒÃÇ - ÎÊͨÐÅר¼Ò | Powered by MSCBSC Òƶ¯Í¨ÐÅÍø © 2006 - |