TDD/FDDÉî¶ÈÈÚºÏ ÒÆ¶¯4GºÃ¾°²»³¤ÓÇ¿µÐ
¡¡¡¡ËÜÔì¸ü¼Ó½¡¿µµÄÊг¡¾ºÕù¸ñ¾Ö
¡¡¡¡¡°Ò»¼Ò¶À´ó¡±Ò»Ö±ÊÇÀ§ÈÅÎÒ¹úͨÐÅÔËÓªÐÐÒµµÄÄÑÌ⡣ΪÁË»¯½âÕâ¸öÄÑÌ⣬¾ö²ß²ãÔÚ2008Äê½øÐÐÁ˵ÚËĴεçÐÅÐÐÒµÖØ×飬À«±ðÒÆ¶¯Í¨ÐÅÊг¡¶àÄêµÄÖйúµçÐÅÖØÐ»ص½ÁËÕâ¸öÎę̀£¬»ýƶ»ýÈõ¶àÄêµÄÖйúÁªÍ¨Ò²Í¨¹ýCDMAÍøÂçµÄ³öÊÛÒÔ¼°ÓëÍøÍ¨µÄºÏ²¢£¬±äµÃǿ׳ÁËЩ¡£
¡¡¡¡ÔÚËæºó¿ªÆôµÄ3G»Æ½ðʱ´ú£¬µçÐźÍÁªÍ¨ÎÞÂÛÊÇÔÚÍøÂçÖÊÁ¿¡¢Ïû·ÑÕ߿ڱ®¡¢Óû§ÊýºÍARPUÖµ·½Ã棬¶¼È¡µÃÁ˳¤×ãµÄ½ø²½Óë·¢Õ¹¡£Õû¸öÊг¡¸ñ¾Ö£¬Ò²´Ó¡°Ò»¼Ò¶À´ó¡±Öð½¥ÑݱäΪ¡°Èý×㶦Á¢¡±£¬µ«ºÃ¾°²»³¤¡£µ±×øÓµÕþ²ßºÍ×ʽðË«ÖØÓÅÊÆµÄÖйúÒÆ¶¯ÔÚ4GÉÏÒ»ÂÖÇÀÅÜÖ®ºó£¬Ô±¾Îȶ¨µÄÊг¡¸ñ¾ÖÒÑÊÇÒ¡Ò¡Óû×¹¡£
¡¡¡¡ÓÉÓÚÖÕ¶Ëȱ·¦Ó°ÏìºÍÍøÂ縲¸ÇÄÜÁ¦µÄ²îÒ죬µ¼ÖÂÖйúµçÐźÍÖйúÁªÍ¨ÔÚ4G·¢Õ¹³õÆÚÄÑÒÔÓëÖйúÒÆ¶¯ÕýÃæ¿¹ºâ£¬3Gʱ´úÖð½¥×ßÏòƽºâµÄµçÐÅÔËÓªÒµ£¬ÔÙ´ÎÏò¡°Ò»¼Ò¶À´ó¡±µÄ¾ÖÃæÇãб¡£
¡¡¡¡×÷ΪÁ½¼ÒÏà¶ÔÈõÊÆµÄµçÐÅÔËÓªÉÌ£¬ËûÃÇÏ£ÍûÄܹ»³ä·ÖÎüÊÕÀûÓòúÒµÁ´µÄÓÅÊÆ£¬ÒÔÃÖ²¹Í¶×ÊÄÜÁ¦µÄÈõÊÆ£¬ÔÚTD-LTEÉÏÓжà´óÁ¦¾Í³ö¶à´óÁ¦£¬ÕâÎ޿ɺñ·Ç¡£ËûÃǶ¼ÆÚÍû²ÉÓÃTD-LTE/LTEFDD»ìºÏ×éÍøµÄģʽ£¬ÕâÒ²Êdzɱ¾ÊÕÒæÐ§Ó¦×îÓŵķ¢Õ¹Ä£Ê½£¬Äܹ»ÒԽϵͳɱ¾ÔÚ4GÊг¡Õ¹¿ª¾ºÕù¡£
¡¡¡¡¶ø»ìºÏ×éÍøÐí¿ÉµÄ·¢·Å£¬¸øÁ˵çÐźÍÁªÍ¨ÔÚ4Gʱ´úµÄÐÅÐÄ£¬ÏàÐÅÆ¾½è×ŲúÒµÁ´ºìÀûºÍ×ÔÉíµÄŬÁ¦£¬ÕâÁ½¼ÒÔËÓªÉÌÄܹ»Ò»¸Ä4G·¢Õ¹³õÆÚµÄÕÚÕÚÑÚÑÚºÍÍÇÊÆ£¬ÖØÐ»ص½ÉÏÉýͨµÀÖС£
¡¡¡¡ÖúÍÆ¿í´øÖйúÓëÐÅÏ¢Ïû·ÑÕ½ÂÔÂ䵨
¡¡¡¡µçÐÅÔËÓªÉ̼ÈÊǹ«ÖÚ¹«Ë¾£¬Ò²ÊǹúÓÐ×ʱ¾¿ØÖƵÄÑëÆó£¬Ò²ÐèÒª¸ºµ£Æð¸ü¶àµÄÉç»á¹«ÒæÔðÈΡ£ÔÚ¡°ÐÅÏ¢Ïû·Ñ¡±ºÍ¡°¿í´øÖйú¡±ÕâÁ½Ïî¹ú¼ÒÕ½ÂÔÖУ¬ÔËÓªḚ́çÑÝÁ˷dz£¹Ø¼üµÄ½ÇÉ«¡£
¡¡¡¡ÔÚ½ñÄê3Ô·ݣ¬¹¤ÐŲ¿Õýʽ²¿Êð¿ªÕ¹¡°¿í´øÖйú2014¡±×¨ÏîÐж¯£º½«³ÖÐøÔöÇ¿¿í´øÍøÂçÄÜÁ¦¡¢À©´ó»ÝÃñÆÕ¼°¹æÄ£ºÍÎȲ½ÌáÉý¿í´ø½ÓÈëˮƽ£¬×÷ΪÁËÖØµã¹¤×÷¡£
¡¡¡¡¹¤ÐŲ¿²¿³¤ÃçÛ×ÔÚ»áÉϸüÊÇÖ¸³ö£¬¿í´ø·¢Õ¹×ßÏò²úÒµÉî¶ÈÈںϵÄн׶Σ¬Õâ¾ÍÒªÇó¿í´øÍøÂç½øÒ»²½¼Ó¿ìÈÚÈë¾¼ÃÉç»áµÄ·¢Õ¹£¬³ÉΪ²úÒµ±ä¸ïµÄÖúÍÆ¼ÁºÍÖ§³ÅÔØÌ壻ͬʱ£¬¿í´ø·¢Õ¹½«ÓÀ´ÎÞÏß»¯ºÍ¸ßËÙ»¯µÄÐÂʱÆÚ£¬ÎÞÏß¿í´øµÄ·¢Õ¹ÂõÈëÁ˸ߴø¿í¡¢´óÁ÷Á¿µÄ4Gʱ´ú¡£


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
- 1Èý¼Ò°ëµ¼Ì幫˾Á¬Ò¹·¢²¼¹«¸æ±í̬¶ÊÂÂäÂí
- 2ÐÅ¿ÆÒƶ¯Óû´³¹ØIPO
- 3¹úÄÚÏÂÒ»´ú¹âµçÐ¾Æ¬ÖÆÔì¼¼Êõ»ñÖØ´óÍ»ÆÆ
- 4175km£¡¹âѸ¿Æ¼¼¿¿Ê²Ã´ÔÙÆÆÊÀ½ç¼Í¼£¿
- 5´«Ì¨»ýµç¼Æ»®Äêµ×¹Ø±Õ²¿·ÖEUV¹â¿Ì»ú
- 6ÔÙÆð²¨À½£¡ÃÀ¹úÓÖÒ»Ïî¶Ô»ªÐ¾Æ¬½ûÁîÒý·¢ÕùÒé
- 7Ô´½Ü¿Æ¼¼¼´½«ÓÀ´¶þ´ÎÉÏ»á
- 8Èý°²¹âµçÁ¬Ðø±©µø4Ìì
- 9¹úÄÚǰʮ¹âÄ£¿éÆóÒµÁªÌؿƼ¼½ñÈÕÉÏÊУ¡
- 10Õâ¼Ò¹âÄ£¿éÆóÒµ»ñODCCÓÅÐã²úÆ·½±
- 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