¹úÄÚÎïÁªÍø·¢Õ¹²ßÂÔÓвàÖØ eMTCÂýÓÚNB-IoT
ÕâÁ½ÈÕeMTCÓÖ³ÉΪһ¸öСÈȵ㣬ÄÇô½ñÌì¾ÍÀ´ËµËµ¹úÄÚ¹ØÓÚeMTCµÄÒ»¸ö·¢Õ¹Çé¿ö¡£
Èç½ñ£¬ÎïÁªÍø¼òÖ±¾ÍÊÇÒµÄÚµÄÏãâÄâÄ£¬¶øNB-IoTºÍeMTCÓÖÊÇÎïÁªÍøÁìÓòÁ½ÖÖ¼¼Êõ£¬¸÷ÓÐÓÅÊÆºÍ²àÖØ£ºNB-IoT×ÔÉí¾ß±¸µÄµÍ¹¦ºÄ¡¢¹ã¸²¸Ç¡¢µÍ³É±¾¡¢´óÈÝÁ¿µÈÓÅÊÆ£¬Ê¹Æä¿ÉÒԹ㷺ӦÓÃÓÚ¶àÖÖ´¹Ö±ÐÐÒµ£¬ÈçÔ¶³Ì³±í¡¢×ʲú¸ú×Ù¡¢ÖÇÄÜÍ£³µ¡¢ÖÇ»ÛũҵµÈ¡£ÓëNB-IoT¼¼ÊõÏà±È£¬eMTCµÄÖ÷ÒªÓÅÊÆÔòÊÇ´«ÊäËÙÂʸü¸ß¡¢Ê±ÑÓ¸üµÍ¡¢Ö§³ÖÇл»¡¢Ö§³ÖVoLTEÓïÒôͨÐŵȣ¬Òò´Ë¿ÉÒÔÖ§³ÖÖеÍËÙÂÊÎïÁªÍøÓ¦Óã¬ÊʺÏÈçµç×Ó¹ã¸æÅÆ¡¢ÎïÁ÷½»Í¨¡¢Öǻ۳ÇÊС¢¿É´©´÷É豸¡¢ÖÇÄÜPOS¡¢¹¤Òµ¿ØÖƵÈÓ¦Óá£
×ݹÛÈ«ÇòÆäËûÔËÓªÉÌ£¬ÖîÈçAT&T¡¢Verizon¡¢KDDI¡¢KPN¡¢Orange¡¢NTTDoCoMo¡¢Telefonica¡¢Telstra¡¢TelusµÈ¶¼ÏȺó¿ªÕ¹ÁËeMTCµÄÉÌÓá£
²»¹ý£¬¹úÄÚ¸ü²àÖØÓÅÏÈ·¢Õ¹NB-IoT¡£¶ÔÓÚeMTC£¬Ä¿Ç°ÖйúÒÆ¶¯Ã»ÓÐÌá³öÃ÷È·µÄʱ¼ä±í£¬Ö»ÊÇÓбíʾ»áÂýÓÚNB-IoT°ëÄê×óÓÒ£»ÖйúµçÐÅÒѾÆô¶¯eMTC¹æÄ£ÍⳡÊÔÑ飬Ðû²¼2018ÄêÉÌÓã»ÖйúÁªÍ¨ÒѾÔÚ4¸ö³ÇÊпªÆôeMTCÊÔµã²âÊÔ¡¢¼Æ»®2018Äê³õ¿ªÆôÖ÷Òª³ÇÊеÄÊÔÉÌÓá¢2018ÄêÖпªÆôÈ«¹úÉÌÓýø³Ì¡£
ÖйúÁªÍ¨£º4¸ö³ÇÊпªÆôeMTCÊÔµã²âÊÔ 2018ÄêÖÐÈ«¹úÉÌÓÃ
ÖйúÁªÍ¨×ܾÀíÂ½ÒæÃñÔÚÊÀ½ç»¥ÁªÍø´ó»áÉÏ͸¶£ºÄ¿Ç°ÖйúÁªÍ¨ÒÑʵÏÖ300¸ö³ÇÊеÄNB-IoTÁ¬½ÓµÄ·þÎñ£¬Í¬Ê±ÎªÁË´Ù½øÎïÁªÍø²úÒµµÄ·¢Õ¹£¬ÖйúÁªÍ¨×¨ÃųÉÁ¢ÁË100ÒڵIJúÒµ»ù½ðÀ´Íƶ¯¡£
³ýNB-IoTÖ®Í⣬ÖйúÁªÍ¨½ñÄ껹Æô¶¯Á˶à³ÇÊеÄeMTCʵÑé¡£¿ÉÒÔ˵£¬ÖйúÁªÍ¨ÔÚNB-IoTÓëeMTC·¢Õ¹²ßÂÔÉÏÊÐÁ½ÊÖ×¥¡£
¾ÝϤ£¬2017ÄêµÚÈý¼¾¶È£¬ÖйúÁªÍ¨ÔÚ±±¾©¡¢¹ãÖÝ¡¢ÉîÛÚ¡¢³¤É³4¸ö³ÇÊÐÂ½Ðø¿ªÆôeMTCµÄÍⳡÊÔµã²âÊÔ£¬¶ÔeMTC¸²¸ÇÐÔÄܺÍ×éÍøÐÔÄܽøÐÐÁËÑéÖ¤¡£
ÖйúÁªÍ¨¼Æ»®ÔÚ2018Äê³õ¿ªÆôÖ÷Òª³ÇÊеÄÊÔÉÌÓã¬Ô¤¼Æ2018ÄêÖпªÆôÈ«¹úÉÌÓýø³Ì¡£
ÖйúÒÆ¶¯£ºeMTC»áÂýÓÚNB-IoT°ëÄê×óÓÒ
ÔçÔÚ½ñÄêÖйúÒÆ¶¯¾Ù°ìµÄÒÆ¶¯ÎïÁªÍø´ó»áÉÏ£¬ÖйúÒÆ¶¯¸±×ܲÃɳԾ¼ÒÔøÖ¸³öÖйúÒÆ¶¯ÖÂÁ¦ÓÚͬ²½Íƶ¯NB-IoTÓëeMTCÐͬ·¢Õ¹£¬´Ó¶øÊµÏÖ¼¼Êõ»¥²¹£¬²úÒµ¹²½ø¡£
²»¹ý£¬ÔÚÉϸöÔµ׾ÙÐеġ°ÖйúÒÆ¶¯È«ÇòºÏ×÷»ï°é´ó»á¡±ÉÏ£¬ÖйúÒÆ¶¯Ðû²¼20ÒÚרÏî²¹Ìù¸øÎïÁªÍøµÄ½¨É裬ÆäÖÐÆäÖÐÒ»°ëÓÃÓÚÖ§³ÖNB-IoTÄ£×飬Ϊ³§ÉÌÌṩ60%-80%²»µÈµÄ²¹ÌùÂÊ£¬ÁíÒ»°ëÓÃÓÚÖ§³Ö4GÎïÁªÍøÄ£×飬×î¸ß¸øÓè50%µÄ²¹Ìù¡£Í¬Ê±£¬Ðû²¼2017Äêµ×ʵÏÖ346¸ö³ÇÊÐNB-IoTÁ¬Ðø¸²¸ÇºÍÈ«ÃæÉÌÓá£
²¢ÇÒÍÆ³ö¡°¼òÃ÷¡¢Êµ»Ý¡±µÄ°üÄê×Ê·Ñ·½°¸£¬·ÖΪ20Ôª¡¢40ÔªÁ½¸öµµ´Î£»½áºÏ¿Í»§¼ÛÖµ£¬Õë¶ÔNB-IoTÄ£×黹½«ÉèÖÃ60%-80%²»µÈµÄ²¹ÌùÂÊ¡£
ϸ¿´ÕâЩ£¬Ëƺõ²¢Ã»ÓÐÌá¼°eMTC¡£
²»¹ý£¬ÖÐÒÆÎïÁªÍøÓÐÏÞ¹«Ë¾ÎºÎ°ÔÚÈÕǰ¹«¿ª³¡ºÏµÄÒ»´ÎÑݽ²ÖÐÌáµ½£º¡°´ÓÕû¸ö²úÒµ·¢Õ¹À´¿´£¬eMTCÉÔÂýNB-IoT°ëÄê×óÓÒµÄʱ¼ä£¬ÖйúÒÆ¶¯´¢±¸ÁËÕâÁ½¸öÁìÓòµÄÄÜÁ¦£¬»áÈÃÕâÁ½¸öÁìÓòÐͬ·¢Õ¹£¬Ò»ÆðΪ²úÒµ·þÎñ¡£¡±
²»¹ý£¬½ØÖÁĿǰÖйúÒÆ¶¯²¢Ã»ÓÐÃ÷È·µÄeMTCÉÌÓÃÍÆ½øÊ±¼ä±í¡£
ÖйúµçÐÅ£ºÒÑÆô¶¯eMTC¹æÄ£ÍⳡÊÔÑé2018ÄêÉÌÓÃ
¸úÖйúÒÆ¶¯ÀàËÆ£¬ÖйúµçÐÅÒ²ÊÇÔÚNB-IoTÏÈÐÐÒ»²½£¬¶øeMTCÊÇÖйúµçÐÅ2018ÄêÖØµã¿ªÍصÄÐÂÐËÒµÎñÁìÓò¡£
ĿǰÖйúµçÐÅÒѾÂÊÏÈÍê³É»ùÓÚ800MHzµÄNB-IoTÍøÂ粿Êð£¬È«Íø31Íò»ùվʵÏÖͬ²½Éý¼¶£¬½¨³ÉÁËÈ«Çò×î´óµÄNB-IoTÍøÂ磬ÓÖÍÆ³öÈ«ÇòÊ׿îNB-IoTÌײ͡£¼ÓÉÏÒѾÉÌÓõÄCAT1£¬ÖйúµçÐŽ«½¨³É»ùÓÚ4GµÄȫϵÁÐÎïÁªÍø¡£
¶øÇÒÔç¾ÍÐû²¼Í¶Èë3ÒÚÔªÎïÁªÍø×¨Ïî×ʽðÍÆ½øNB-IoTÖն˲úÒµÁ´³ÉÊ죬ÆäÖÐ2ÒÚÔª²¹ÌùÄ£¿é²úÆ·£¬1ÒÚÔª¸ù¾ÝÏîÄ¿ÐèÒª²¹Ìù2/3/4GÄ£¿é²úÆ·£¬ÒÔ´Ù½øÐÐÒµÃż÷ºÍ³É±¾µÄ½µµÍ£¬·á¸»Öն˲úÒµÁ´¡£
²»¹ý£¬Ä¿Ç°ÖйúµçÐÅÒѾÆô¶¯ÁËeMTC¹æÄ£ÍⳡÊÔÑ飬¼Æ»®ÔÚ2018Äê½øÐÐÉÌÓá£
¾ÝϤ£¬ÖйúµçÐÅÎïÁªÍø·þÎñÖ÷Òª¾Û½¹ÓÚÈý´óÊг¡£ºÉî¸ûÖǻ۳ÇÊУ¬´Ó³ÇÊйÜÀí¡¢¹«¹²·þÎñ¡¢¹«¹²°²È«¡¢ÃñÉú·þÎñËĸöά¶È£¬Çý¶¯Öǻ۳ÇÊеĴ´Ð·¢Õ¹£»²¼¾Ö´¹Ö±ÐÐÒµ£¬ÎªÖÇÄÜÖÆÔì¡¢Öǻ۽»Í¨¡¢ÎïÁ÷ºÍÁãÊÛÐÐÒµµÈ´¹Ö±ÐÐÒµµÄÊý×Ö»¯×ªÐÍÖúÁ¦£»À¶¯¸öÈËÏû·Ñ£¬ÎïÁªÍø×îÌù½üÉú»î²¿·ÖµÄ¸öÈËÏû·Ñ£¬À¶¯ÒµÎñÔö³¤µÄDZÁ¦¿ÉÆÚ£¬ÖйúµçÐŽ«Öص㷢չ¹²Ïí¾¼Ã¡¢½ðÈÚÖ§¸¶¡¢¸öÈË´©´÷ÒÔ¼°ÖǻۼҾӵÈÁìÓòµÄ·¢Õ¹¡£


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
-
9ÔÂ27-29ÈÕÂíÉϱ¨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
- 1¹âÄ£¿é²úÒµÁ´Öð²½ÇÐÈ뼤¹âÀ×´ïÈüµÀ
- 2ÃÀ¹úÐû²¼EDAÕýʽ¶Ô»ª¶Ï¹©£¡
- 3´«ÅåÂåÎ÷½ñÈÕ½«Óę̈»ýµç¶Ê³¤ÌÖÂÛ2800ÒÚÃÀÔªµÄ¡°Ð¾Æ¬Óë¿ÆÑ§·¨°¸¡±
- 4ÈÎÕý·Ç£º°Ñº®Æø´«µÝ¸øÃ¿¸öÈË
- 5ÌÚѶ¡¢×Ö½Ú·×·×Èë¹ÉÕâ¼Ò¹âоƬ³§ÉÌ
- 6ÖÐо¹ú¼ÊÁ½Ãû¸ß¹Ü½ÓÁ¬Ðû²¼´ÇÖ°
- 7Õâ¼Ò¸Õ»ñ6ÒÚÈÚ×ʵÄоƬÆóÒµ±»±¬µ¹±Õ£¡
- 8ºàͨ¹âµçͶ×ÊÆóÒµÒÑÈ¡µÃÓªÒµÖ´ÕÕ
- 9ÓÀ¶¦¹É·Ý³ÆÒÑʵÏÖ¹âоƬȫ²úÒµÁ´²¼¾Ö
- 10δÀ´µÄͨÐÅ»°ÓïȨ¾¿¾¹¡°Â¹ËÀËÊÖ¡±£¿
- 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