ÎÊÌâÒÑ¿ªÆô
(ÆÕͨÎÊÌâ)
TD¸²¸Ç¾àÀëÀíÂÛÖµ11.25km£¬Ê¹ÓÃUp Shifting¼¼Êõºó¿É´ï116.25km,¸ÃÈçºÎ¼ÆËãÄØ£¿
TD¸²¸Ç¾àÀëÀíÂÛÖµ11.25km£¬Ê¹ÓÃUp Shifting¼¼Êõºó¿É´ï116.25km,ÇëÎʸÃÈçºÎ¼ÆËãÄØ£¿
ÌáÎÊÕß: allenchan ÌáÎÊʱ¼ä: 2010-03-13
• [Çë´óÀаïæ¿´¿´ÕâÒ»ÌâÑ¡Ôñʲô´ð°¸£¬Ð»Ð»]¹ØÓÚTDM eICIC .ÒÔÏÂÃèÊöÕýÈ·µÄÊÇÄÄЩÏî 2020-04-15
• TD-LTE·ÂÕæ 2020-01-16
• ŵÎ÷ TDDÊÒ·Ö¿ªCAÊÇ·ñÓ°ÏìÈÝÁ¿ 2019-12-04
• ¼±¼±¼±£¬Í¨Óî4»ò6¶Ë¿ÚÌìÏßTDQ-182018DEH-65Fv04 ºÍŵÎ÷FXEB RRU ÔõôÁ¬½Ó 2019-11-18
• ¹ØÓÚTDDÓëFDDÖض¨Ïò 2019-09-05
• TDLTEÒìƵƵµãµÄ´ÓƵ´øÊÇʲô£¿ºÎʱÐèÒªÅäÖã¿ 2019-08-20
• ÎÒ¹ú4GÒƶ¯Í¨ÐÅϵͳƵÆ×TD-LTEÔÚ×éÍøʱÖ÷ҪʹÓõÄƵ¶ÎºÍ5GƵ¶ÎÊǶàÉÙ 2019-06-17
• TD-LTEÔÚ×éÍøʱÖ÷ҪʹÓõÄƵ¶ÎºÍ5GƵ¶ÎÊǶàÉÙ 2019-06-17
• TD-LTE·ÂÕæ 2020-01-16
• ŵÎ÷ TDDÊÒ·Ö¿ªCAÊÇ·ñÓ°ÏìÈÝÁ¿ 2019-12-04
• ¼±¼±¼±£¬Í¨Óî4»ò6¶Ë¿ÚÌìÏßTDQ-182018DEH-65Fv04 ºÍŵÎ÷FXEB RRU ÔõôÁ¬½Ó 2019-11-18
• ¹ØÓÚTDDÓëFDDÖض¨Ïò 2019-09-05
• TDLTEÒìƵƵµãµÄ´ÓƵ´øÊÇʲô£¿ºÎʱÐèÒªÅäÖã¿ 2019-08-20
• ÎÒ¹ú4GÒƶ¯Í¨ÐÅϵͳƵÆ×TD-LTEÔÚ×éÍøʱÖ÷ҪʹÓõÄƵ¶ÎºÍ5GƵ¶ÎÊǶàÉÙ 2019-06-17
• TD-LTEÔÚ×éÍøʱÖ÷ҪʹÓõÄƵ¶ÎºÍ5GƵ¶ÎÊǶàÉÙ 2019-06-17
ÎÊÌâ´ð°¸
( 15 )
ѧϰ£¬É³·¢
»Ø´ðÕߣº
463680439
»Ø´ðʱ¼ä£º2010-03-13 09:52
6 15
ÄÄλ´óÉñÀ´½â´ð£¿£¿£¿Ñ§Ï°Ñ§Ï°£¡£¡£¡£¡
»Ø´ðÕߣº
yueyang843009
»Ø´ðʱ¼ä£º2010-03-13 15:08
11 14
TD-SCDMA×î´ó¸²¸Ç°ë¾¶Êܵ½UE UpPTS×î´ó½ÓÈëʱÑÓµÄÏÞÖÆ£¬³¬¹ýÕâһʱÑÓÏÞÖƺó£¬UpPTS½«ÂäÈë»ùÕ¾µÄTS1ʱ϶µ¼ÖÂϵͳÎÞ·¨ÕýÈ·½ÓÊÕUpPTS¡£Òò´ËÈç¹ûϵͳ½«TS1ʱ϶²»×÷ΪҵÎñʱ϶£¬¶øÊÇÓë×÷ΪUpPTSʱ϶µÄÀ©Õ¹£¬¾Í¿ÉÒÔÀ©Õ¹ÏµÍ³ÔÊÐíµÄ×î´óʱÑÓ£¬´ïµ½À©Õ¹¸²¸Ç°ë¾¶µÄÄ¿µÄ¡£
µ¥´¿´Ó×î´óʱÑӵĽǶȿ´£¬½«TS1ʱ϶À©Õ¹ÎªUpPTSʱ϶ºó£¬Ë«Ïò×î´óʱÑÓ½«´Ó100us£¨128chip£©À©Õ¹µ½775us£¨Ôö¼ÓÁËTS1µÄ¿í¶È675us/864chip£©£¬ÕâÑùÀíÂÛ×î´ó¸²¸Ç°ë¾¶¿ÉÒÔ´ïµ½116.25km¡£
µ¥´¿´Ó×î´óʱÑӵĽǶȿ´£¬½«TS1ʱ϶À©Õ¹ÎªUpPTSʱ϶ºó£¬Ë«Ïò×î´óʱÑÓ½«´Ó100us£¨128chip£©À©Õ¹µ½775us£¨Ôö¼ÓÁËTS1µÄ¿í¶È675us/864chip£©£¬ÕâÑùÀíÂÛ×î´ó¸²¸Ç°ë¾¶¿ÉÒÔ´ïµ½116.25km¡£
»Ø´ðÕߣº
ͨÐŽ²Ê¦
»Ø´ðʱ¼ä£º2010-03-16 10:17
18 10
ʵ¼ÊÄܸ²¸Ç¶àÔ¶£¿
»Ø´ðÕߣº
pangge007
»Ø´ðʱ¼ä£º2010-03-17 07:40
13 12
Õâʵ¼Ê¸²¸Ç¾àÀëÐèҪͨ¹ýÁ´Â·Ô¤ËãÀ´È·¶¨
»Ø´ðÕߣº
nuoyan
»Ø´ðʱ¼ä£º2010-03-17 08:31
10 10
ÍÛÈû£¬Õâ¸ö°³Ò²²»»á¡£ÐèҪѧϰÏ°¡£¡£¡
»Ø´ðÕߣº
xufeng058
»Ø´ðʱ¼ä£º2010-03-17 08:45
8 12
ѧϰÁË£¬
»Ø´ðÕߣº
marongyuan
»Ø´ðʱ¼ä£º2010-03-17 09:41
10 9
µ«ÄÇÑù»á²»»áÓÐËùνµÄ½»²æʱ϶¸ÉÈÅ£¬ÄÇÖ»ºÃÈ«Íø¶¼¸ÄÁË
»Ø´ðÕߣº
tianguowei2009
»Ø´ðʱ¼ä£º2010-03-17 10:03
12 13
ÎþÉüTS1 ÊÇΪÁËÀ©´ó¸²¸Ç°ë¾¶ Ò»°ãÏòº£Éϸ²¸Ç²ÅÓõ½Õâ¸ö°É
»Ø´ðÕߣº
×ÏÔÆÇçÑ©
»Ø´ðʱ¼ä£º2010-03-17 11:09
14 14
Ê×ÏÈÒªÖªµÀTDϵͳµÄÎïÀíÖ¡½á¹¹£¬3GPP¶¨ÒåµÄÒ»¸öTDMAÖ¡³¤¶ÈΪ10ms¡£Ò»¸ö10msµÄÖ¡·Ö³ÉÁ½¸ö½á¹¹ÍêÈ«ÏàͬµÄ×ÓÖ¡£¬Ã¿¸ö×ÓÖ¡µÄʱ³¤Îª5ms¡£ÕâÊÇ¿¼Âǵ½ÁËÖÇÄÜÌìÏß¼¼ÊõµÄÔËÓã¬ÖÇÄÜÌìÏßÿ¸ô5ms½øÐÐÒ»´Î²¨ÊøµÄ¸³ÐΡ£×ÓÖ¡·Ö³É7¸ö³£¹æʱ϶£¨TS0 ~ TS6£©£¬Ã¿¸öʱ϶³¤¶ÈΪ864chips£¬Õ¼675us£©¡£DwPTS£¨ÏÂÐе¼ÆµÊ±Ï¶£¬³¤¶ÈΪ96chips£¬Õ¼75us£©
GP£¨±£»¤¼ä¸ô£¬³¤¶È96chips£¬75us£©UpPTS£¨ÉÏÐе¼ÆµÊ±Ï¶£¬³¤¶È160chips£¬125us£©
×ÓÖ¡×ܳ¤¶ÈΪ6400chips£¬Õ¼5ms£¬µÃµ½ÂëƬËÙÂÊΪ1.28Mcps¡£µ±²»²ÉÓÃUp Shifting¼¼Êõ£¬TDϵͳСÇø¸²¸Ç°ë¾¶µÄÀíÂÛÖµ¼ÆËãÈçÏ£ºR=£¨¹âËÙ*±£»¤¼ä¸ôʱ¼ä£©/2£¬¼´R=£¨300000000m/s *75us£©/2=11.25KM£¬µ±²ÉÓÃÁËUp Shifting¼¼Êõºó£¬½«²ÉÓÃËðʧTS1ʱ϶×ÊÔ´µÄ·½·¨À´Ôö´ó±£»¤Ê±Ï¶µÄÄ¿µÄ£¬ÕâÑùTDϵͳСÇø¸²¸Ç°ë¾¶ÎªR=£¨¹âËÙ*±£»¤¼ä¸ôʱ¼ä£©/2£¬¼´R=[300000000m/s*£¨75us+675us£©]/2=112.5KM¡£ËùÓнá¹û¶¼ÊÇÀíÂÛÖµ£¬Óë¹âËÙÔÚ¿ÕÆøÖеÄʵ¼Ê´«ÊäËÙÂÊÒÔ¼°É豸µÄ¾«Á¼³Ì¶È¶¼Óйأ¡
GP£¨±£»¤¼ä¸ô£¬³¤¶È96chips£¬75us£©UpPTS£¨ÉÏÐе¼ÆµÊ±Ï¶£¬³¤¶È160chips£¬125us£©
×ÓÖ¡×ܳ¤¶ÈΪ6400chips£¬Õ¼5ms£¬µÃµ½ÂëƬËÙÂÊΪ1.28Mcps¡£µ±²»²ÉÓÃUp Shifting¼¼Êõ£¬TDϵͳСÇø¸²¸Ç°ë¾¶µÄÀíÂÛÖµ¼ÆËãÈçÏ£ºR=£¨¹âËÙ*±£»¤¼ä¸ôʱ¼ä£©/2£¬¼´R=£¨300000000m/s *75us£©/2=11.25KM£¬µ±²ÉÓÃÁËUp Shifting¼¼Êõºó£¬½«²ÉÓÃËðʧTS1ʱ϶×ÊÔ´µÄ·½·¨À´Ôö´ó±£»¤Ê±Ï¶µÄÄ¿µÄ£¬ÕâÑùTDϵͳСÇø¸²¸Ç°ë¾¶ÎªR=£¨¹âËÙ*±£»¤¼ä¸ôʱ¼ä£©/2£¬¼´R=[300000000m/s*£¨75us+675us£©]/2=112.5KM¡£ËùÓнá¹û¶¼ÊÇÀíÂÛÖµ£¬Óë¹âËÙÔÚ¿ÕÆøÖеÄʵ¼Ê´«ÊäËÙÂÊÒÔ¼°É豸µÄ¾«Á¼³Ì¶È¶¼Óйأ¡
»Ø´ðÕߣº
qiguaideqingwa
»Ø´ðʱ¼ä£º2010-03-17 12:51
11 10
ºÇºÇ ÀíÂÛÖµ²»¿ÉÄÜ´ïµ½µÄ ÒòΪ3GƵÂʱ¾À´¾ÍºÜ¸ß£¬´©Í¸Á¦ºÜ²î£¬·´ÕýÍâÃæµ±³õ¸øÒƶ¯¹«Ë¾Ñ¡Õ¾Ö·µÄʱºòÊÇÑ¡µÄ500Ã×Ò»¸öÕ¾£¬¾ÍÊÇÄÇÑù»¹Òª¼ÓÊÒÄÚ·Ö²¼¡£
»Ø´ðÕߣº
banshouren12
»Ø´ðʱ¼ä£º2010-03-17 17:00
13 14
µ±²ÉÓÃÁËUp Shifting¼¼Êõºó£¬½«²ÉÓÃËðʧTS1ʱ϶×ÊÔ´µÄ·½·¨À´Ôö´ó±£»¤Ê±Ï¶µÄÄ¿µÄ£¬ÕâÑùTDϵͳСÇø¸²¸Ç°ë¾¶ÎªR=£¨¹âËÙ*±£»¤¼ä¸ôʱ¼ä£©/2£¬¼´R=[300000000m/s*£¨75us+675us£©]/2=112.5KM¡£ÀíÂÛÉϾÍÊÇÕâÑùµÄ.
»Ø´ðÕߣº
txzhxyxxd
»Ø´ðʱ¼ä£º2010-03-17 17:10
15 15
Õâ¸öÊǸù¾ÝÏÂÐÐתÉÏÐеı£»¤¼ä¸ô¼ÆËãµÄ£¬upshiftingÊǰѵÚһʱ϶ÎþÉü¶ø»»À´¸²¸Ç·¶Î§µÄ¼Ó´ó
»Ø´ðÕߣº
ÇïË®³¤Ìì09
»Ø´ðʱ¼ä£º2010-03-17 17:48
18 13
ÀíÂÛºÍʵ¼ÊÊÇÓкܴó²î¾àµÄ¡£ºÇºÇ
»Ø´ðÕߣº
jede
»Ø´ðʱ¼ä£º2010-03-17 19:47
14 11
¿ÉÒԲο¼Ìú·ÑØÏßTDÕ¾µãÉè¼Æ¡£
»Ø´ðÕߣº
lzhengzh
»Ø´ðʱ¼ä£º2010-03-17 20:35
12 10
ÈȵãÎÊÌâ
¸ü¶à¾«²Ê
ÁªÏµÎÒÃÇ - ÎÊͨÐÅר¼Ò | Powered by MSCBSC Òƶ¯Í¨ÐÅÍø © 2006 - |