Ö§³ÖTD-LTEÊÇÖйú±ØÈ»µÄÑ¡Ôñ£¡
Îå¡¢TDDÓÐÀûÓÚÎÒ¹úµçÐÅÒµµÄ·¢Õ¹
¡¡¡¡ÓÉÓÚûÓÐ×ÔÖ÷²úÒµÁ´µÄÖ§³Ö£¬ÎÒ¹úÔÚ1Gʱ´úÉ豸½ø¿Ú³¬¹ý2500ÒÚÔª£¬ÔÚ2Gʱ´úÉ豸½ø¿Ú³¬¹ý5000ÒÚÔª¡£3Gʱ´úÒòΪ»ý¼«´´Ð£¬´òÔì¹úÄÚTDD×ÔÖ÷²úÒµÁ´£¬ÔÚÍøÂ粿ÊðºÍÖÕ¶ËÏû·ÑÉϽÚÔ¼ÁËÊýǧÒÚÔªµÄÏòº£ÍâÖ§³ö¡£¾¡¹Ü3Gʱ´úÎÒ¹úÈÔÓÐÁ½¸öÔËÓªÉÌÑ¡ÔñÁËCDMA2000ºÍWCDMA£¬µ«ÒòΪTD-SCDMAÔÚÕ½ÂÔÉϵIJßÓ¦£¬Ò²ÎªCDMAºÍWCDMAµÄ²¿Êð³É±¾½µµÍ×ö³ö»ý¼«¹±Ïס£
¡¡¡¡ÔÚÒÑÆô¶¯µÄÎÒ¹ú4GÍøÂçÊг¡£¬ÖйúÆóÒµÒÑÕ¼¾ÝÊг¡°ëÊýÒÔÉϷݶÔÚTD-LTEÖÕ¶ËÊг¡£¬ÎÒ¹úÆóÒµÌṩµÄ²úÆ·Ò²ÒÑÕ¼Êг¡59%¡£ÎÒ¹úÆóÒµµÄ´óÁ¿½øÈ룬һ·½Ãæ¿É´ó´ó½µµÍÉ豸³É±¾£¬ÁíÒ»·½ÃæÒà¿ÉÌá¸ß¹¤³Ì·þÎñÓëÊÛºó·þÎñµÄ¼°Ê±ÐÔ¡£
¡¡¡¡¶ø´Ó3GÏò4GµÄתÐÍ¿´£¬Ñ¡ÔñTDD»òFDDÔÚ¼¼ÊõÉ϶¼²»´æÔÚ¸ù±¾Õϰ¡£ÈçÃÀ¹ú¼ÈÓÐVerizonµÄCDMA2000EV-DO¼ÓLTEFDDÍøÂ磬ҲÓÐSprint¼°ÈÕ±¾KDDIµÄCDMA2000EV-DO¼ÓTD-LTEÍøÂç¡£ÎÊÌâµÄ¸ù±¾ÔÚÓÚÔËÓªÉÌ3GÖÆÊ½±³ºóµÄÖն˲úÒµÁ´±¾Éí¡£ÒÔCDMAΪÀý£¬Ä¿Ç°ÖйúÊг¡ÉÏCDMA2000EV-DO·¢Õ¹²»ÈçÆäËüÁ½¸ö¼¼ÊõÖÆÊ½Êг¡£¬Æä¸ù±¾ÎÊÌâÊǺ£Íâ¶À¼Ò¹«Ë¾ÕÆ¿ØÖն˲úÒµÁ´£¬´ó½оƬÆóÒµÄÑÒÔ½øÈëÊг¡´Ù½ø¾ºÕù¡£ÔÚCDMAÌåϵÏòLTEÑݽø¹ý³Ì£¬ÆäÄѵãÈÔÈ»ÔÚÓÚº£Íâ¶À¼Ò¹«Ë¾ÕÆ¿ØÖն˲úÒµÁ´¡£ÔÚLTE±ØÐëÏòϼæÈÝCDMAµÄǰÌáÌõ¼þÏ£¬ÎÞÂÛÊÇTD-LTE»òLTEFDD£¬¿ª·ÅµÄÖն˲úÒµÁ´½«ÊÇÆä³É¹¦µÄ¹Ø¼üÒòËØ¡£
¡¡¡¡Ôڴ˱³¾°Ï£¬CDMAÔËÓªÉÌÑ¡ÔñTD-LTEΪ4GÔËÓªµÄÖ÷Òª¼¼Êõ·½Ïò£¬¿ÉÄÜǡǡÊǸü¼ÓÓÐÀûµÄ¡£Ö÷ÒªÀíÓÉÈçÏ£º
¡¡¡¡1£©TD-LTEÔÚ¹úÄÚÒÑ¿ªÊ¼´ó¹æÄ£ÉÌÓ㬺£ÍâоƬÆóÒµÒÑÔÚTD-LTEÊг¡»ýÀÛÁ˷ḻµÄÉÌÓþÑéºÍÓÅÊÆ²úÆ·£¬Õâ¾ÍʹµÃTD-LTE¼¼Êõ¸ü¼Ó³ÉÊ죬ÓëCDMA¼¼ÊõµÄ»¥²Ù×÷³ÉΪ¿ÉÄÜ¡£
¡¡¡¡2£©¹úÄÚÔÚTD-LTEоƬÆóÒµ£¬Õý»ý¼«ºÍVIAºÏ×÷£¬¿ª·¢CDMA+TD-LTEоƬ£¬´Ó¶ø¿ÉÒÔÐγÉÒ»Ìõ¶ÀÁ¢ÓÚº£Íâij¹«Ë¾ÒÔÍâµÄCDMA+TD-LTEµÄоƬ¹©Ó¦Á´£¬Ó뺣Íâ¶À¼Ò¹«Ë¾¹©Ó¦Á´ÐγÉÁ¼ÐÔ¾ºÕù£¬´Ù½ø¼¼ÊõµÄ½ø²½Óë³É±¾µÄ½µµÍ£¬½ø¶ø¿ÉÓÐЧµØÖ§³Å¹úÄÚÖÕ¶ËÆóҵȺÌå½øÈëCDMA+TD-LTE²úÒµÁ´£¬Âú×ãÊг¡¶ÔÖն˲úÆ·µÄÐèÇó¡£
¡¡¡¡3£©ÈçÈôÎÒ¹úCDMAÊг¡²ÉÓÃÒÔÏòLTEFDDÑݽøÎªÖ÷µÄ·½°¸£¬ÔòÓÉÓÚÖйúоƬÆóÒµÔÚFDDÁìÓò»ýÀÛ²»×㣬ÄÑÒÔ½øÈëÕâÒ»CDMA+LTEFDDÊг¡£¬¸ÃÊг¡ÔÚ3Gʱ´úµÄ¶À¼ÒÆóÒµÕÆ¿ØÖն˲úÒµÁ´µÄ¾ÖÃæÄÑÒԸı䣬¶ÔÊг¡ÐèÇóµÄÖ§³Å±ØÈ»Êܵ½Ó°Ïì¡£
¡¡¡¡×÷ΪȫÇòÉÙÊý¼¸¸ö´óµÄCDMAÔËÓªÉÌ£¬ÖйúµçÐÅÍêÈ«ÓпÉÄÜÔÚ±³¿¿¹úÄÚÇ¿´óTD-LTE²úÒµÁ´µÄÇé¿öÏ£¬³É¹¦ÔËÓªCDMA+TD-LTEģʽ£¬²¢È¡µÃÏñVerizonÄÇÑùÒÀ¿¿ÃÀ¹ú²úÒµÁ´Íê³É3GÏò4GÑݽøµÄ³É¹¦Ð§¹û¡£Ï°½üƽÖ÷ϯÔÚÉϺ£¿¼²ìÖйúÉÌ·ÉÉè¼ÆÑз¢ÖÐÐÄʱָ³ö£º¡°¹ýÈ¥ÓÐÈË˵Ôì²»ÈçÂò£¬Âò²»Èç×⣬Õâ¸öÂß¼Òªµ¹¹ýÀ´¡±¡£TD-LTE¾ÍÊÇÒÆ¶¯Í¨ÐÅÁìÓòµ¹×ªÉÏÊöÂß¼µÄÖØÒªÊµ¼ù¡£
(±¾ÎÄ×÷ÕßΪTD²úÒµÁªÃËÃØÊ鳤)


ͼƬÐÂÎÅ
-
80ÒÚÃÀÔª¹âÏ˽ÓÈëÊг¡ÕýÔâÓö³å»÷
-
¡°¶«ÊýÎ÷Ë㡱 ³¬¼¶´ó¹¤³Ì¼´½«ÉÏÂí
-
ÍõÕ¨£¡ºàͨÁ¿²ú400G¹è¹âÄ£¿é
-
¡¸¿µÄþµÍËðºÄ¹âÏË50ÖÜÄ꡹רÌâϵÁÐ3£ºÓïÒôͨ»°ÐÂʱ´ú
-
¡¸¿µÄþµÍËðºÄ¹âÏË50ÖÜÄ꡹רÌâϵÁÐ2£º¹âÏ˳ÉÕæ
-
ר·Ã|EXFO£º¾Û½¹¸ßËÙÁìÓò£¬´òÔìÈ«ÐÂδÀ´
-
ר·Ã|³¤¹âͨÐÅÒ¶¶«£º¼á³Ö×ß³öÈ¥Õ½ÂÔ£¬´òºÃº£Íâ¹¥¼áÕ½
-
ר·Ã|»ô¶û±ÈÌØÀîÑô£º½ô¸ú¿Í»§½Å²½£¬ÓÃÐÄ×öºÃ²úÆ·
×îл¸ü¶à
-
2022Äê11ÔÂÂíÉϱ¨Ãû>>È«Êý»á2022¼¤¹â¾«Ãܼӹ¤ÓëÊý×Ö»¯ÖÆÔìÕ¹
-
¾«²Ê»Ø¹ËÁ¢¼´²é¿´>>ά¿Æ±¡¤OFweek 2022¼¤¹âÐÐÒµÄê¶ÈÆÀÑ¡
-
¾«²Ê»Ø¹ËÁ¢¼´²é¿´>>ºÏ³É´óо¾¶Ê¯Ó¢¹âÏË -- ¹âѧÉè¼ÆºÍ²ÄÁÏÑ¡Ôñ¶Ô¹âÏËÐÔÄܵÄÓ°Ïì
-
¾«²Ê»Ø¹ËÁ¢¼´²é¿´>>¡¾ÔÚÏßÑÐÌֻ᡿ÁìÓ¢Ñï·«³öº£Èý²¿Çú¡ª¡ªÖƶ¨ÓªÏúÕ½Êõ
-
¾«²Ê»Ø¹ËÁ¢¼´²é¿´>>¡¾ÔÚÏßÑÐÌֻ᡿ AEDTµçÈÈñîºÏÉè¼ÆÁ÷³ÌÓëÓ¦Óð¸Àý
-
¾«²Ê»Ø¹ËÁ¢¼´²é¿´>>ANSYS´ÅÐÔÔª¼þ¼°¿ª¹ØµçÔ´Éè¼Æ½â¾ö·½°¸ÔÚÏßÑÐÌÖ»á
ÍÆ¼öרÌâ
- 1¼Û¸ñ¡¢ÐèÇó´óÔö£¬¹âÏ˹âÀ¾°ÆøÖÜÆÚÔÚÖØÆô
- 2Èý¼Ò°ëµ¼Ì幫˾Á¬Ò¹·¢²¼¹«¸æ±í̬¶ÊÂÂäÂí
- 3ÈÎÕý·Ç£º°Ñº®Æø´«µÝ¸øÃ¿¸öÈË
- 4ÖйúÒÆ¶¯PC·þÎñÆ÷µÚ¶þÅú´Î¼¯²É½á¹û¹«²¼
- 5ºàͨ¹âµçÉϰëÄêʵÏÖÓªÊÕ221.06ÒÚÔª
- 6°®Á¢ÐÅŵ»ùÑÇÐû²¼È«ÃæÍ˳ö¶íÂÞ˹Êг¡
- 7ÐÅ¿ÆÒƶ¯Óû´³¹ØIPO
- 8ÖÐÐËͨѶ£ºÏ°ëÄ꽫³ÉÁ¢¶«ÊýÎ÷ËãÌØÕ½¶Ó
- 9175km£¡¹âѸ¿Æ¼¼¿¿Ê²Ã´ÔÙÆÆÊÀ½ç¼Í¼£¿
- 10¹âѸ¿Æ¼¼£ºÉϰëÄêʵÏÖÓªÊÕÔ¼35.42ÒÚÔª
- ¼¤¹âÆ÷¸ß¼¶ÏúÊÛ¾ÀíÉϺ£ÊÐ/ºç¿ÚÇø
- ¹âÆ÷¼þÑз¢¹¤³Ìʦ¸£½¨Ê¡/¸£ÖÝÊÐ
- ·â×°¹¤³Ìʦ±±¾©ÊÐ/º£µíÇø
- ¹âÆ÷¼þÎïÀí¹¤³Ìʦ±±¾©ÊÐ/º£µíÇø
- ÏúÊÛ×ܼࣨ¹âÆ÷¼þ£©±±¾©ÊÐ/º£µíÇø
- ×Ô¶¯»¯¸ß¼¶¹¤³Ìʦ¹ã¶«Ê¡/ÉîÛÚÊÐ
- ¸ß¼¶Èí¼þ¹¤³Ìʦ¹ã¶«Ê¡/ÉîÛÚÊÐ
- ¼¼Êõר¼Ò¹ã¶«Ê¡/½ÃÅÊÐ
- ½á¹¹¹¤³Ìʦ¹ã¶«Ê¡/ÉîÛÚÊÐ
- ¼¤¹âÑз¢¹¤³Ìʦ±±¾©ÊÐ/²ýÆ½Çø
·¢±íÆÀÂÛ
ÇëÊäÈëÆÀÂÛÄÚÈÝ...
ÇëÊäÈëÆÀÂÛ/ÆÀÂÛ³¤¶È6~500¸ö×Ö
ÔÝÎÞÆÀÂÛ
ÔÝÎÞÆÀÂÛ