• Èõµ¼ÆµÎÛȾºÍµ¼ÆµÎÛȾÓÐɶÇø±ð£¿ 2017-03-18
• Ôì³Éµ¼ÆµÎÛȾµÄÔÒò 2016-11-21
• µ¼ÆµÎÛȾÊôÓÚ¸ÉÈÅÂ𣿠2016-06-22
• ʲôÊǵ¼ÆµÎÛȾ 2016-04-24
• ƹÅÒÇл»ÊôÓÚµ¼ÆµÎÛȾµÄ·¶³ëÂ𣿠2016-04-20
• ÓÐЩµØ·½ËµLTEûÓе¼ÆµÎÛȾһ˵£¬ÓÐЩµØ·½ËµÓУ¬ÄÇôLTEµ½µ×ÓÐûÓе¼ÆµÎÛȾÕâ¸ö˵·¨ÄØ£¿ 2016-04-20
• µ¼ÆµÎÛȾºÍÎÞÖ÷·þÎñСÇøµÄÇø±ð£¿ 2015-09-09
µ¼ÆµÎÛȾ²úÉúÖ÷ÒªÊÇÓÉÓÚ¶à¸öÉÈÇøÖ®¼äÐźÅÏ໥֮¼ä¸ÉÈÅÔì³ÉµÄ¡£ÓÉÓÚÎÞÏß»·¾³µÄ¸´ÔÓÐÔ:°üÀ¨µØÐεØò¡¢½¨ÖþÎï·Ö²¼¡¢½ÖµÀ·Ö²¼¡¢Ë®ÓòµÈµÈ¸÷·½ÃæµÄÓ°Ï죬ʹµÃÐźŷdz£ÄÑÒÔ¿ØÖÆ£¬ÎÞ·¨´ïµ½ÀíÏëµÄ×´¿ö¡£µ¼ÆµÎÛȾÖ÷Òª·¢ÉúÔÚ»ùÕ¾±È½ÏÃܼ¯µÄ³ÇÊл·¾³ÖУ¬ÈÝÒ×·¢Éúµ¼ÆµÎÛȾµÄ¼¸ÖÖµäÐ͵ÄÇøÓòΪ:¸ßÂ¥¡¢¿íµÄ½ÖµÀ¡¢¸ß¼Ü¡¢Ê®×Ö·¿Ú¡¢Ë®ÓòÖÜΧµÄÇøÓò¡£ÔÒòÓÐ:
1¡¢Ð¡Çø²¼¾Ö²»ºÏÀí¡£²»ºÏÀíµÄСÇø²¼¾Ö¿ÉÄܵ¼Ö²¿·ÖÇøÓò³öÏÖ¸²¸Ç¿Õ¶´£¬¶ø²¿·ÖÇøÓò³öÏÖ¶à¸öµ¼ÆµÇ¿ÐźŸ²¸Ç¡£ÕâÑùÓпÉÄÜ»áÔì³ÉÍøÂçÖдóÃæ»ýµÄµ¼ÆµÎÛȾ»ò¸²¸ÇäÇø¡£ÓÐʱ£¬ÓÉÓÚµØÀí»·¾³Ì«¸´ÔÓ£¬Éè¼Æ½×¶Î¿¼ÂDz»¾¡È«Ã棬ÐèÒªÔÚÍøÂçÓÅ»¯½×¶Îͨ¹ýµ÷ÕûÀ´½â¾ö¡£
2¡¢»ùվѡַ»òÌìÏß¹Ò¸ßÌ«¸ß¡£Ïà¶ÔÖÜΧµÄµØÎï¶øÑÔ£¬ÖÜΧµÄ´ó²¿·ÖÇøÓò¶¼ÔÚÌìÏßµÄÊӾ෶ΧÄÚ£¬Ê¹µÃÐźÅÔںܴóµÄ·¶Î§ÄÚ´«²¥(ÓÈÆäÊÇÔÚÊÒÍâ¡¢½ÖµÀµÈ³¡Ëù)£¬¾Í¿ÉÄÜÔÚÐí¶àÇøÓòÓ°Ïìµ½ÖÜΧµÄÆäËüÕ¾£¬Ôì³Éµ¼ÆµÎÛȾÎÊÌâ¡£
3¡¢ÌìÏß·½Î»ÉèÖò»ºÏÀí¡£ÈôûÓкÏÀíÉè¼Æ£¬¿ÉÄÜ»áÔì³É²¿·ÖÉÈÇøͬʱ¸²¸ÇÏàͬµÄÇøÓò£¬Ðγɹý¶àµÄµ¼Æµ¸²¸Ç;»òÕßÓÉÓÚÖÜΧµØÎïÈ罨ÖþÎïµÄÓ°ÏìµÈ£¬Ôì³Éij¸öÇøÓòÓжà¸öµ¼Æµ´æÔÚ;ÕâʱÐèÒª¸ù¾Ýʵ¼Ê´«²¥µÄÇé¿öÀ´½øÐÐÌìÏß·½Î»µÄµ÷Õû¡£Ìرðµ±ÌìÏߵķ½Î»ÑؽֵÀʱ£¬Æ串¸Ç·¶Î§»áÑؽֵÀÑÓÉì½ÏÔ¶¡£ÕâÑù£¬ÔÚÑؽֵÀµÄÆäËü»ùÕ¾µÄ¸²¸Ç·¶Î§ÄÚ£¬¿ÉÄÜ»áÔì³Éµ¼ÆµÎÛȾÎÊÌâ¡£Õâʱ£¬¿ÉÄÜÐèÒªµ÷ÕûÌìÏߵķ½Î»»òÇã½ÇµÈ¡£
4¡¢ÌìÏßÏÂÇã½ÇÉèÖò»ºÏÀí¡£Çã½Çµ÷Õû½«¶ÔСÇø¸²¸Ç±ßÔµµÄÐźŲúÉúÖØÒªµÄÓ°Ï죬´Ó¶øÓ°ÏìСÇøµÄ¸²¸Ç·¶Î§¡£µ±ÌìÏßÏÂÇã½ÇÉè¼Æ²»ºÏÀíʱ£¬ÔÚ²»Ó¦¸Ã¸²¸ÇµÄµØ·½Ò²ÄÜÊÕµ½Æä½ÏÇ¿µÄ¸²¸ÇÐźţ¬Ôì³ÉÁ˶ÔÆäËüÇøÓòµÄ¸ÉÈÅ£¬ÕâÑù¾Í»áÔì³Éµ¼ÆµÎÛȾ£¬ÑÏÖØʱ»áÒýÆðµô»°¡£
5¡¢µ¼Æµ¹¦ÂÊÉèÖò»ºÏÀí¡£µ±»ùÕ¾Ãܼ¯·Ö²¼Ê±£¬ÈôÒªÇóµÄ¸²¸Ç·¶Î§Ð¡£¬¶øµ¼Æµ¹¦ÂÊÉèÖùý´ó£¬Ò²¿ÉÄܻᵼÖÂÑÏÖصĵ¼ÆµÎÛȾÎÊÌâ¡£
6¡¢¸²¸ÇÄ¿±êµØÀíλÖýϸߡ£µ±Ò»¸ö¸²¸ÇÄ¿±êµÄµØÀíλÖ÷dz£¸ßʱ£¬Èç¸ßÂ¥ÄÚ£¬¶ÔÆäÖÜΧµÄ¶à¸öBS¶øÑÔ¶¼ÔÚÊӾ෶ΧÄÚ£¬ÔòÔڸô¦ÈÝÒ×Ðγɵ¼ÆµÎÛȾ¡£
µ¼ÆµÎÛȾµÄ½â¾ö·½·¨:
1¡¢¹¦Âʵ÷Õû¡£×îÖ±½ÓµÄ·½·¨ÊÇÌáÉýÒ»¸ö»ùÕ¾µÄ¹¦ÂÊ£¬½µµÍÆäËü»ùÕ¾µÄÊä³ö¹¦ÂÊ£¬ÐγÉÒ»¸öÖ÷µ¼Æµ¡£µ«ÒªÈ«Ã濼ÂǶÔÈ«Íø¸²¸ÇÓ°ÏìµÄÇé¿ö¡£µ«Èô¸ÃÎÛȾÇøµÄ×îÇ¿µÄPNËæµØµã±ä»¯ºÜ´óµÄ»°£¬Ôò²»ÊÊÒË¡£ËüÖ÷ÒªÊÊÒËÓÚij¸öPN»ù±¾±£³ÖÔÚ×îÇ¿µÄ×´¿ö¡£
2¡¢ÌìÏßµ÷Õû¡£¸ù¾Ýʵ¼Ê·²âÇé¿ö£¬µ÷ÕûÌìÏߵķ½Î»¡¢ÏÂÇã½ÇÀ´¸Ä±äÎÛȾÇøÓòµÄ¸÷µ¼ÆµÐźÅÇ¿¶È£¬´Ó¶ø¸Ä±äµ¼ÆµÐźÅÔÚ¸ÃÇøÓòµÄ·Ö²¼×´¿ö¡£µ÷ÕûµÄÔÔòÊÇÔöÇ¿Ç¿µ¼Æµ£¬¼õÈõµ¼Æµ¡£ÕâЩµ÷Õû¿ÉÒÔÓ빦Âʵ÷Õû½áºÏʹÓá£
3¡¢¸Ä±ä»ùÕ¾ÅäÖá£ÓÐЩµ¼ÆµÎÛȾÇøÓò¿ÉÄÜÎÞ·¨Í¨¹ýÉÏÊöµÄµ÷ÕûÀ´½â¾ö£¬Õâʱ£¬¿ÉÄÜÐèÒª¸ù¾Ý¾ßÌåÇé¿ö£¬¿¼ÂÇÌæ»»ÌìÏßÐͺţ¬¸Ä±äÌìÏß°²×°Î»Ö㬸ıä»ùվλÖã¬Ôö¼Ó»ò¼õÉÙ»ùÕ¾£¬µÈ´ëÊ©¡£ÕâЩ´ëÊ©µÄʵʩÉæ¼°µ½½Ï´óµÄ¹¤³Ì±ä»¯£¬Òò´Ë£¬ÐèÒª×Ðϸ·ÖÎö
4¡¢²ÉÓÃODU»òÖ±·ÅÕ¾¡£¶ÔÓÚÎÞ·¨Í¨¹ý¹¦Âʵ÷Õû¡¢ÌìÀ¡µ÷ÕûµÈ½â¾öµÄµ¼ÆµÎÛȾ£¬¿ÉÒÔ¿¼ÂÇÀûÓÃODU»òÖ±·ÅÕ¾À´½â¾ö¡£ÀûÓÃODU»òÖ±·ÅÕ¾µÄÄ¿µÄÊÇÔÚµ¼ÆµÎÛȾÇøÓòÒýÈëÒ»¸öÇ¿µÄÐźŸ²¸Ç£¬´Ó¶ø½µµÍ¸ÃÇøÓòÆäËüÐźŵÄÏà¶ÔÇ¿¶È£¬½µµÍÆäËüÉÈÇøÔڸõãµÄEc/Io£¬¸Ä±ä¶àµ¼Æµ¸²¸ÇµÄ×´¿ö¡£µ«Òª¿¼Âǵ½ODU¼°Ö±·ÅÕ¾ÒýÈë¶ÔÍøÂçÖÊÁ¿µÄÓ°Ïì¡£
5¡¢²ÉÓÃ΢СÇø¡£²ÉÓÃ΢·äÎѵķ½Ê½Ò²Êǽâ¾öµ¼ÆµÎÛȾµÄÒ»¸öÖØÒªµÄÊֶΡ£Î¢·äÎÑÖ÷ÒªÓ¦ÓÃÓÚ´æÔÚ»°ÎñÈȵãµÄµØÇø£¬¿ÉÒÔÔö¼ÓÈÝÁ¿£¬Í¬Ê±½â¾öµ¼ÆµÎÛȾÎÊÌâ¡£
![](./images/ding.gif)
![](./images/cai.gif)
ͨË׵Ľ²£¬¶à¸öÐźÅÏà²î²»´óµÄµ¼ÆµÍ¬Ê±¸²¸Ç£¬µ¼ÖÂÖÊÁ¿²îΪµ¼ÆµÎÛȾ£¬ÆäÖи÷·µ¼ÆµÐźÅÒªÂú×ã>-100dBm£¬ÇÒÏà²îÔÚ3dBÒÔÄÚ(°´¸÷¸öµØÊзֹ«Ë¾¹æ¶¨ÓÐËù²»Í¬)¡£
![](./images/ding.gif)
![](./images/cai.gif)
µ¼ÆµÎÛȾ¼òµ¥µÄÀí½â¾ÍÊÇ£¬²âÊÔʱÊÖ»ú½ÓÊÕµ½Öܱß4¸ö»ò4¸öÒÔÉÏСÇøµÄÐźÅÇ¿¶È½Ó½üÇÒÐźÅÇ¿¶È¶¼ºÜÇ¿£¬ÔÚTDSÖÐÊǶ¨ÒåÐźÅÔÚ´óÓÚ-86dBm£¬½ÓÊÕµ½·þÎñСÇøÓë×îÓÅ3¸öÁÚÇøÖУ¬×îÇ¿Óë×îÈõµÄÐźÅÏà²îСÓÚ6dBm¡£¾ÍÊÇÎÞÃ÷ÏÔÖ÷¸²¸ÇСÇø¡£
ÒýÆðµÄÔÒòÓкܶ࣬ÌìÏßλÖ÷½Ïò£¬Ð¡Çø·¢É书ÂÊ£¬Öܱ߸ßÂ¥µÄ×èµ²Óë·´ÉäµÈµÈ¡£
½â¾öµÄ˼·ÊǼ¸¸öǿСÇøÖÐÑ¡³ö×îºÏÀíµÄСÇø×öΪÖ÷¸²¸Ç£¬Í¨¹ýµ÷ÕûÈÃÖ÷¸²¸ÇСÇø¸üÇ¿£¬ÆäËûСÇø¸üÈõ¡£Í¨³£½øÐй¦ÂÊÓëÌìÏßµ÷Õû¡£
![](./images/ding.gif)
![](./images/cai.gif)
ÁÚÇø¼¯ÖÐÓÐ3¸ö»ò´óÓÚ3¸öµ¼ÆµÇ¿¶ÈEC/IOÇø¼äÔÚ-12dbµÄСÇø
¼¤»î¼¯ÖÐÖ÷µ¼ÆµÐźŲ»Îȶ¨£¬¼«Ò×ÓëÁÚÇø¼¯Ð¡Çø½øÐÐƵ·±Çл»¡£
¶¨ÒåΪµ¼ÆµÎÛȾ£¬ºÍRX AGC¹Øϵ²»´ó
![](./images/ding.gif)
![](./images/cai.gif)
¸²¸Ç²»ºÏÀíµ¼ÖÂ
![](./images/ding.gif)
![](./images/cai.gif)
Ò»¶Î¸²¸ÇÇøÓòÓÐËĸö×óÓÒСÇøµÄÐźţ¬¶øÇÒrsrp£¨·þÎñСÇø)-rsrp£¨ÁÚСÇø4£©¨Q5dBm£¬´æÔÚµ¼ÆµÎÛȾ£¬¿ÉÒÔͨ¹ýµ÷ÕûÌìÏß¡¢½µRS¹¦ÂÊ´¦Àí¡£
![](./images/ding.gif)
![](./images/cai.gif)
ÁªÏµÎÒÃÇ - ÎÊͨÐÅר¼Ò | Powered by MSCBSC Òƶ¯Í¨ÐÅÍø © 2006 - |