ÎÊÌâÒÑ¿ªÆô
(ÆÕͨÎÊÌâ)
¹ØÓÚLTEºÍWCDMA£¿
ÄÄλ¿ÉÒÔ¼òµ¥½éÉÜÒ»ÏÂLTEºÍWCDMAÎÞÏ߲ࡢºËÐÄÍø²à»ù±¾ÍøÔªµÄ¹¹³É£¬ÒÔ¼°Ö÷ÒªµÄ¹¦ÄÜ¡£ÓÉÓÚÐèÒªÔÚ¶Ìʱ¼äÄÚÁ˽âÆä»ù±¾½á¹¹ºÍ×é³É²¿·Ö£¬»¹Çë´ó»ï°ïæ¡£
ÌáÎÊÕß: wolizhenlin ÌáÎÊʱ¼ä: 2013-12-03
• LTEÉÏÏÂÐзåÖµËÙÂÊÀíÂÛÄÜ´ïµ½¶àÉÙ£¿5GÉÏÏÂÐзåÖµËÙÂÊÀíÂÛÄÜ´ïµ½¶àÉÙ£¿ 2020-11-28
• VoLTEÍøÂçÓÅ»¯¹¤×÷ VOLTEÆôºôתCSFB ÓÐÄÄЩÔÒò 2020-11-25
• VOLTEµô»°»úÖÆÊÇʲô£¿ 2020-11-04
• LTE attachºÎʱ»áЯ´øimsi 2020-10-30
• ÖÕ¶ËÎÞ·¨Îȶ¨×¤ÁôLTE 2020-10-28
• LTE ÈçºÎ¿ØÖÆUE¶¯Ì¬Ñ¡ÔñÐźűȽϺõÄƵµãÀ´½øÐвâÁ¿ 2020-10-26
• ΪʲôVOLTE endÖ®ºó£¬QCI=1µÄ³ÐÔØÒ²Õý³£ÊÍ·ÅÁË£¬µ«ÊDz»´¥·¢LTE2NR fast return 2020-10-22
• LTE UEÔÚÁ¬½Ó״̬ûÓÐÉϱ¨²âÁ¿±¨¸æ 2020-10-13
• VoLTEÍøÂçÓÅ»¯¹¤×÷ VOLTEÆôºôתCSFB ÓÐÄÄЩÔÒò 2020-11-25
• VOLTEµô»°»úÖÆÊÇʲô£¿ 2020-11-04
• LTE attachºÎʱ»áЯ´øimsi 2020-10-30
• ÖÕ¶ËÎÞ·¨Îȶ¨×¤ÁôLTE 2020-10-28
• LTE ÈçºÎ¿ØÖÆUE¶¯Ì¬Ñ¡ÔñÐźűȽϺõÄƵµãÀ´½øÐвâÁ¿ 2020-10-26
• ΪʲôVOLTE endÖ®ºó£¬QCI=1µÄ³ÐÔØÒ²Õý³£ÊÍ·ÅÁË£¬µ«ÊDz»´¥·¢LTE2NR fast return 2020-10-22
• LTE UEÔÚÁ¬½Ó״̬ûÓÐÉϱ¨²âÁ¿±¨¸æ 2020-10-13
ÎÊÌâ´ð°¸
( 3 )
LTE²ÉÓÃÓÉNodeB¹¹³ÉµÄµ¥²ã½á¹¹:
3GPP³õ²½È·¶¨LTEµÄ¼Ü¹¹£¬Ò²½ÐÑݽøÐÍUTRAN£¨£©½á¹¹(E-UTRAN/Enhanced-UTRAN)¡£½ÓÈëÍøÖ÷ÒªÓÉÑݽøÐÍNodeB(eNodeB)ºÍ½ÓÈëÍø¹Ø(Access Gateway£¬¼ò³ÆAGW)Á½²¿·Ö¹¹³É¡£AGWÊÇÒ»¸ö±ß½ç½Úµã£¬Èô½«ÆäÊÓΪºËÐÄÍøµÄÒ»²¿·Ö£¬Ôò½ÓÈëÍøÖ÷ÒªÓÉeNodeBÒ»²ã¹¹³É¡£eNodeB²»½ö¾ßÓÐÔÀ´NodeBµÄ¹¦ÄÜ¡£NodeBºÍNodeBÖ®¼ä½«²ÉÓÃÍø¸ñ(Mesh)·½Ê½Ö±½Ó»¥Á¬£¬ÕâÒ²ÊǶÔÔÓÐUTRAN½á¹¹µÄÖØ´ó¸Ä½ø[1]¡£
(1)ͨÐÅËÙÂÊÓÐÁËÌá¸ß£¬ÏÂÐзåÖµËÙÂÊΪ100Mbps¡¢ÉÏÐÐΪ50Mbps¡£
WCDMAϵͳ±ê×¼µÄR99°æ±¾ÒѾ»ù±¾Îȶ¨£¬ÆäR4¡¢R5ºÍR6°æ±¾»¹ÔÚ½ôÂàÃܹĵÄÖƶ©ÖС£WCDMAϵͳµÄÍøÂç½á¹¹Èçͼ1Ëùʾ:
WCDMAϵͳÓÉÈý²¿·ÖCN£¨ºËÐÄÍø£©¡¢UTRAN£¨ÎÞÏß½ÓÈëÍø£©ºÍUE£¨Óû§×°Öã©×é³É¡£CNÓëUTRANµÄ½Ó¿Ú¶¨ÒåΪIu½Ó¿Ú£¬UTRANÓëUEµÄ½Ó¿Ú¶¨ÒåΪUu½Ó¿Ú¡£
3GPP³õ²½È·¶¨LTEµÄ¼Ü¹¹£¬Ò²½ÐÑݽøÐÍUTRAN£¨£©½á¹¹(E-UTRAN/Enhanced-UTRAN)¡£½ÓÈëÍøÖ÷ÒªÓÉÑݽøÐÍNodeB(eNodeB)ºÍ½ÓÈëÍø¹Ø(Access Gateway£¬¼ò³ÆAGW)Á½²¿·Ö¹¹³É¡£AGWÊÇÒ»¸ö±ß½ç½Úµã£¬Èô½«ÆäÊÓΪºËÐÄÍøµÄÒ»²¿·Ö£¬Ôò½ÓÈëÍøÖ÷ÒªÓÉeNodeBÒ»²ã¹¹³É¡£eNodeB²»½ö¾ßÓÐÔÀ´NodeBµÄ¹¦ÄÜ¡£NodeBºÍNodeBÖ®¼ä½«²ÉÓÃÍø¸ñ(Mesh)·½Ê½Ö±½Ó»¥Á¬£¬ÕâÒ²ÊǶÔÔÓÐUTRAN½á¹¹µÄÖØ´ó¸Ä½ø[1]¡£
(1)ͨÐÅËÙÂÊÓÐÁËÌá¸ß£¬ÏÂÐзåÖµËÙÂÊΪ100Mbps¡¢ÉÏÐÐΪ50Mbps¡£
WCDMAϵͳ±ê×¼µÄR99°æ±¾ÒѾ»ù±¾Îȶ¨£¬ÆäR4¡¢R5ºÍR6°æ±¾»¹ÔÚ½ôÂàÃܹĵÄÖƶ©ÖС£WCDMAϵͳµÄÍøÂç½á¹¹Èçͼ1Ëùʾ:
WCDMAϵͳÓÉÈý²¿·ÖCN£¨ºËÐÄÍø£©¡¢UTRAN£¨ÎÞÏß½ÓÈëÍø£©ºÍUE£¨Óû§×°Öã©×é³É¡£CNÓëUTRANµÄ½Ó¿Ú¶¨ÒåΪIu½Ó¿Ú£¬UTRANÓëUEµÄ½Ó¿Ú¶¨ÒåΪUu½Ó¿Ú¡£
»Ø´ðÕߣº
daxiao5328
»Ø´ðʱ¼ä£º2013-12-03 14:20
38 31
http://wenku.baidu.com/link?url=A035QV6KK_QI4V9uUjP0hengwrVLiGlsP1_Cyf7WxXnG5-ipX2uX-udlxqlHdgXcDCf25S6J7MV9YQ9N4dPMRlam4brtrIuEBnHZGCXTiVi
WCDMAµÄÍøÂç½á¹¹½éÉÜ£¬ºÜÈ«Ã棡
http://wenku.baidu.com/link?url=QU-yK8Cm4OHJoRCY4Stqrz14-MpVEwB5wuBrNvZDyF5ArsHUJwnzbv_5KOfo08IiaAiUVtmkl7F03sR3PVey3gvmOOKZlKINS2MkREJneRC
LTEµÄÍøÂç½á¹¹½éÉÜ£¬¼òµ¥Í¨Ë×£¡
WCDMAµÄÍøÂç½á¹¹½éÉÜ£¬ºÜÈ«Ã棡
http://wenku.baidu.com/link?url=QU-yK8Cm4OHJoRCY4Stqrz14-MpVEwB5wuBrNvZDyF5ArsHUJwnzbv_5KOfo08IiaAiUVtmkl7F03sR3PVey3gvmOOKZlKINS2MkREJneRC
LTEµÄÍøÂç½á¹¹½éÉÜ£¬¼òµ¥Í¨Ë×£¡
»Ø´ðÕߣº
OscarDon
»Ø´ðʱ¼ä£º2013-12-03 20:26
40 33
LTEÍøÂç½á¹¹£¬ÍøÖ·¿´²»µ½Í¼°¡
wolizhenlin 2013-12-03 22:02
Ðֵܣ¬LTEµÄÄǸöÒѾ·¢µ½wolizhenlin@163.com
OscarDon 2013-12-04 11:04
ѧϰÁË£¬¸Ðл¥Ö÷·ÖÏí
»Ø´ðÕߣº
zhangyuqin
»Ø´ðʱ¼ä£º2013-12-11 09:03
35 33
ÈȵãÎÊÌâ
¸ü¶à¾«²Ê
ÁªÏµÎÒÃÇ - ÎÊͨÐÅר¼Ò | Powered by MSCBSC Òƶ¯Í¨ÐÅÍø © 2006 - |