ÒìƵÖØÑ¡£¬ÖØÑ¡ÅоöÔÔòÈçÏ£º
¸ßÓÅÏȼ¶Ð¡Çøµ½µÍÓÅÏȼ¶Ð¡ÇøÖØÑ¡Åоö×¼Ôò£º µ±Í¬Ê±Âú×ãÒÔÏÂÌõ¼þ£¬UEÖØÑ¡ÖÁµÍÓÅÏȼ¶µÄÒìƵСÇø 1) UEפÁôÔÚµ±Ç°Ð¡Çø³¬¹ý1s £¨ÏÖÍøÉèÖÃΪ2s£©£» 2) ¸ßÓÅÏȼ¶ºÍͬÓÅÏȼ¶ÆµÂʲãÉÏûÓÐÆäËüºÏÊʵÄСÇø£»
3) Sservingcell< Threshserving,low(ÏÖÍøÉèÖÃΪ4dB)£¬¼´£º·þÎñСÇøRSRP<-124+4£» 4) µÍÓÅÏȼ¶ÁÚÇøµÄSnonservingcell,x > Threshx,low£¨ÏÖÍøÉèÖÃΪ10£©£¬¼´£ºTDSÁÚСÇø
RSCP>-105+10
5) ÔÚÒ»¶Îʱ¼ä(Treselection-EUTRA)ÄÚ£¬Snonservingcell,xÒ»Ö±ºÃÓÚ¸ÃãÐÖµ(Threshx,low)£» ×¢£º²ÎÕÕTDL-TDSÖØÑ¡²ÎÊý¼°ÖØÑ¡Åоö×¼Ôò¼ÆËãÈçÏ£º
1¡¢TDLСÇøÐźÅ<=-128+44=-84dBmʱÆô¶¯¶ÔTDSÁÚСÇøµÄ²âÁ¿ 2¡¢ÒÔÏÂÌõ¼þÂú×ãʱÖØÑ¡µ½TDSСÇø TDLСÇøÐźÅ<-124+4=-120dBm 120 TDSСÇøÐźÅ>-105+19=-95dBm 95 ÒÔÉÏÁ½¸öÌõ¼þͬʱÂú×ãÇÒά³Ö2ÃëÖØÑ¡ÖÁTDSСÇø¡£
4.1.2 TDL-TDSÖØÑ¡Ïà¹Ø²ÎÊý£º
¿ÕÏÐ̬TDL-TDSÖØÑ¡Ïà¹Ø²ÎÊýÈçÏÂ:
²ÎÊý¼ò³Æ ²ÎÊýÈ«³Æ cellReSelPrio Cell reselection priority qrxlevmin ÍøÔª ÏÖÍø ÒâÒå CELL 5 ±¾Ð¡ÇøÓÅÏȼ¶ ±¾Ð¡Çø×îС½ÓÈëµçƽ ÒìƵ/ÒìϵͳÆô²âÃÅÏÞ ¸ßµ½µÍÖØÑ¡±¾Ð¡ÇøÃÅÏÞ µ½TDSÁÚÇøÖØÑ¡¶¨Ê±Æ÷ TDSƵµãÓÅÏȼ¶ µÍµ½¸ßÖØÑ¡¸ßÓÅÏȼ¶ÁÚÇøÃÅÏÞ ¸ßµ½µÍÖØÑ¡µÍÓÅÏȼ¶ÁÚÇøÃÅÏÞ Minimum required RX level in CELL -128 cel sNonIntrsearch Inter-frequency and CELL 44 inter-RAT measurements threshold threshSrvLow Threshold serving low CELL 2dB tResUtra uCelResPrio utraFrqThrH utraFrqThrL UTRA cell reselection timer UFFIM 2s UTRA carrier frequency absolute priority UTRA inter frequency threshold high UTRA inter frequency threshold low UFFIM 3 UFFIM 14 UFFIM 16
pMaxUTRA UTRA maximum allowed transmit power qRxLevMinUtra UTRA minimum required receive level dlCarFrqUtra UTRA downlink frequency value UFFIM 24dBm TDS×î´óÔÊÐí·¢É书ÂÊ UFFIM -101 TDSСÇø×îСÔÊÐí½ÓÈëµçƽ UFFIM TDSƵµã 4.2 PSÓòTDL-3G/2GÖض¨Ïò£º
4.2.1 Öض¨ÏòÔÀí£º
1. Æô¶¯Òìϵͳ²âÁ¿
ÖÕ¶ËÔÚ4GÍøÂç½øÈëÊý¾ÝÒµÎñÁ¬½Ó̬ºó£¬ÍøÂçÊ×ÏÈÏ·¢LTEϵͳÄÚͬƵºÍÒìƵ²âÁ¿¿ØÖÆÏûÏ¢¡£µ±¶àÄ£ÖÕ¶ËÉϱ¨ÏµÍ³ÄÚA2²âÁ¿±¨¸æºó£¨¸ÃA2²âÁ¿Ê¼þΪ´¥·¢ÍøÂçÏ·¢²âÁ¿¿ØÖÆÏûÏ¢µÄʼþ£©£¬ÍøÂçÏ·¢Òìϵͳ²âÁ¿¿ØÖÆÏûÏ¢£¨B1»òB2ʼþ£©ÒÔ¼°Ã¤Öض¨ÏòµÄA2²âÁ¿¿ØÖÆÏûÏ¢£¬ÖÕ¶ËÊÕµ½²âÁ¿¿ØÖÆÏûÏ¢ºóÆô¶¯Òìϵͳ²âÁ¿¡£
2. Öض¨ÏòÅоö
¶àÄ£ÖÕ¶ËδÄÜÂú×ãϵͳÄÚÇл»Ìõ¼þ£¬ÇÒÉϱ¨ÁËB1»òB2ʼþ²âÁ¿±¨¸æ£¬eNodeB¸ù¾Ý²âÁ¿±¨¸æÖÐÒìϵͳƵµãÐÅϢϷ¢Öض¨ÏòÃüÁî¡£ÔÚÒÔÏÂÁ½ÖÖÇé¿öÏ£¬eNodeBËæ»úÑ¡ÔñÁÚÇøƵµãÏ·¢Ã¤Öض¨ÏòÃüÁî¡£ £¨1£© Öն˲»Ö§³ÖÒìϵͳ²âÁ¿£¬µ«Éϱ¨ÁËäÖض¨ÏòµÄA2ʼþ²âÁ¿±¨¸æ£»
£¨2£© ÖÕ¶ËÖ§³ÖÒìϵͳ²âÁ¿£¬Î´Éϱ¨B1»òB2ʼþ²âÁ¿±¨¸æ£¬µ«Éϱ¨ÁËäÖض¨ÏòµÄA2ʼþ²âÁ¿±¨
¸æ¡£
Âú×ãA2²âÁ¿Ê¼þÉϱ¨µÄÌõ¼þΪ£º³ÖÐøTimeToTrigerʱ¼ä£¬·þÎñСÇø²âÁ¿ÖµÂú×ãÒ»¶¨ÃÅÏÞ¡£B1²âÁ¿Ê¼þÉϱ¨Ìõ¼þΪ£º³ÖÐøTimeToTrigerʱ¼ä£¬ÒìϵͳÁÚÇø²âÁ¿ÖµÂú×ãÒ»¶¨ÃÅÏÞ¡£B2²âÁ¿Ê¼þÉϱ¨µÄÌõ¼þΪ£º³ÖÐøTimeToTrigerʱ¼ä£¬·þÎñСÇø²âÁ¿ÖµÂú×ãÒ»¶¨ÃÅÏÞºÍÒìϵͳÁÚÇøÂú×ãÒ»¶¨ÃÅÏÞ¡£ ¸÷ʼþ¾ßÌåÃèÊöÈçÏÂ±í£º
LTEϵͳ²âÁ¿Ê¼þ ²âÁ¿Ê¼þ A2 B1 B2 ʼþÃèÊö ·þÎñСÇø²âÁ¿ÖµµÍÓÚÃÅÏÞ ÒìϵͳÁÚÇø²âÁ¿Öµ¸ßÓÚÃÅÏÞ ·þÎñСÇø²âÁ¿ÖµµÍÓÚÃÅÏÞ1£¬ÇÒÒìϵͳÁÚÇø²âÁ¿Öµ¸ßÓÚÃÅÏÞ2 ½øÈëÌõ¼þ Ms+Hys
×¢2£ºA2¡¢B1¡¢B2²âÁ¿Ê¼þ·Ö±ðÓжÔÓ¦µÄ³ÙÖÍʱ¼äTimeToTriger£»ÒÔÉϲÎÊýÔÚ²âÁ¿¿ØÖÆÏûÏ¢£¨RRCConnectionReconfigurationÖеÄreportConfigToAddModList£©ÖÐÏ·¢¡£
ÖÕ¶ËÊÕµ½Öض¨ÏòÃüÁîºó£¬Ö´ÐÐÖض¨ÏòÁ÷³Ì¡£ÐèҪעÒâµÄÊÇ£¬eNodeB Release10֮ǰµÄ°æ±¾ÔÚÖض¨ÏòÃüÁîÖÐ×î¶àÏ·¢1¸ö3GƵµã»ò1¸ö2GƵÂÊ×飨ƵÂÊ×é¿ÉЯ´ø¶à¸ö2GƵµã£©£¬Release10¼°Ö®ºóµÄ°æ±¾¿ÉÔÚÖض¨ÏòÃüÁîÖÐÏ·¢6¸ö3GƵµã¡£ ÆäÖУ¬A2ʼþ´¥·¢µÄ²âÁ¿¿ØÖÆÏûÏ¢ÈçÏÂͼËùʾ£º
A2ʼþ´¥·¢²âÁ¿¿ØÖÆÏûÏ¢
ÆäÖУ¬B2²âÁ¿Ê¼þ´¥·¢µÄ²âÁ¿¿ØÖÆÏûÏ¢ÈçÏ£º
B2ʼþ´¥·¢µÄ²âÁ¿¿ØÖÆÏûÏ¢£¨ÒÔ²âÁ¿3GÁÚÇøΪÀý£©
4.2.2 Öض¨ÏòÁ÷³Ì£º
ÖÕ¶ËÔÚLTEÍøÂçϽøÐÐÊý¾Ý´«Ê䣬Éϱ¨3GÁÚÇø²âÁ¿±¨¸æºó£¬ÓÉeNodeB½øÐÐÖض¨ÏòÅоö£¬²¢Ï·¢Öض¨ÏòÏûÏ¢£¬ÖÕ¶ËÖ´ÐÐLTE µ½3GÖض¨ÏòÁ÷³Ì¡£ÈôÍøÂ粻Ϸ¢²âÁ¿¿ØÖÆÏûÏ¢»òÖն˲»Éϱ¨²âÁ¿±¨¸æ£¬ÍøÂçÒ²¿ÉÏ·¢Öض¨ÏòÏûÏ¢£¬¼´Ã¤Öض¨Ïò¡£ÒÔ4Gµ½3G»ùÓÚ²âÁ¿Öض¨ÏòΪÀý£¬LTEµ½3GÖض¨ÏòÐÅÁîÁ÷³Ì¡£¾ßÌå²½Öè˵Ã÷ÈçÏ£º