ÄÇôNCSÓÖÊÇʲô£¿Àí½âÆðÀ´»¹ÊÇÓÐÄѶȣ¬
• ¾ö¶¨NRÖÐPRACH´ø¿íµÄÒòËØ£¿ 2019-09-18
• ue²»¶ÏÉÏ·¢pRACH:msg1£¨ra£©µÄÔÒò£¿ 2019-09-09
• NPRACHʲôÒâ˼ 2019-04-22
• RACHRootSequence ¼ä¸ô×îС¿ÉÒÔÊǶàÉÙ 2018-08-22
• RACHÎÊÌâµ¼ÖÂrrcÁ¬½Óʧ°ÜÔõô´¦Àí 2018-04-03
• PRACH×ÊÔ´ÔÚÒ»¶¨³Ì¶ÈÉÏ·´Ó³É豸¸ººÉÇé¿ö£¬ÎªÉ豸ÊÇ·ñÐèÒªÀ©ÈÝÌṩÒÀ¾Ý 2017-07-09
• ¸ßÌú¹æ»®pciºÍpRACHʲôÔÔò Óй滮±íÂ𣿠2017-06-11
Êǵģ¬ÓɸùÐòÁо¹ýÑ»·ÒÆλ²úÉú¡£
24 27
PRACHÖеÄÇ°µ¼ÐòÁÐÊÇÓÉZadoff£ChuÐòÁо¹ýÑ»·ÒÆλÉú³ÉµÄ£¬ËüÃÇÔ´×ÔÒ»¸ö»ò¶à¸öZadoff£ChuÐòÁеĸùÐòÁУ¬ÐòÁ㤶ÈΪ839£¬ PRACHÖÐ×ÓÔز¨µÄ¼ä¸ôΪ1.25K¡£Ò»¸öСÇøÖÐÓÐ64¸öÇ°µ¼ÐòÁУ¬ÍøÂç²àÅäÖÃСÇøÄÚ¿ÉÒÔʹÓõÄÇ°µ¼ÐòÁУ¬²¢Í¨¹ýSIB2ÖеIJÎÊýrootSequenceIndex£¨ÔÚ0µ½837Ö®¼äÈ¡Öµ£©À´¹ã²¥µÚÒ»¸öZC¸ùÐòÁУ¬¶Ô¸ùÐòÁа´Ò»¶¨µÄ¹æÔòÑ»·ÒÆ룬Éú³ÉÏàÓ¦µÄPRACHÇ°µ¼ÐòÁС£ÓÉÓÚPRACHÉÏÐд«ÊäµÄ²»Í¬²½ÒÔ¼°²»Í¬µÄ´«ÊäÑÓ³Ù£¬ÏàÓ¦µÄÑ»·ÒÆλ֮¼äÐèÒªÓÐ×ã¹»µÄ¼ä¸ô£¬²¢·ÇËùÓеÄÑ»·ÒÆλ¶¼Äܹ»×÷ΪÕý½»ÐòÁÐʹÓá£Èç¹û¿ÉÓõÄÑ»·ÒÆλµÄÇ°µ¼ÐòÁÐÊýÄ¿²»¹»64¸ö£¬Ôò°´Ò»¶¨µÄ¹æÔòÑ¡ÔñÏÂÒ»¸öZC¸ùÐòÁУ¬Í¨¹ýÑ»·ÒÆλÉú³ÉеÄPRACHÇ°µ¼ÐòÁС£
24 26
1¡¢Ç°µ¼ÐòÁÐÓÉZC¸ùÐòÁÐͨ¹ýÑ»·ÒÆλ²úÉú£¬Ã¿¸öСÇø¾ùÓÐ64¸öÇ°µ¼ÐòÁУ¬¸ù¾ÝÐèÒª·Ö³ÉÓÃÓÚ¾ºÕùËæ»ú½ÓÈ벿·ÖºÍ·Ç¾ºÕùµÄËæ»ú½ÓÈ벿·Ö
2¡¢Ã¿¸ö¸ùÐòÁÐÓÐ839λ£¬Ê±Óò³¤¶ÈΪ800us¡£Í¨¹ýNCSÑ»·ÒÆλ²úÉúÇ°µ¼¡£±ÈÈçNCSÒÆλΪ93£¬ÔòÒ»¸ö¸ùÐòÁвúÉúµÄÇ°µ¼=839/93=9£¨ÏòÏÂÈ¡Õû£©,Ôò¸ÃСÇøÐèÒªN¸ö¸ùÐòÁвÅÄܲúÉú64µÄÇ°µ¼¡£N=64/9=8£¨ÏòÉÏÈ¡Õû£©
25 26
PRACHÊÇÓÉÎïÀí¸ùÐòÁÐÒÀ¾ÝNCSµÄÒÆλ²½³¤µÃµ½µÄ¡£
30 25
ÁªÏµÎÒÃÇ - ÎÊͨÐÅר¼Ò | Powered by MSCBSC Òƶ¯Í¨ÐÅÍø © 2006 - |