ÎÊÌâÒÑ¿ªÆô (ÆÕͨÎÊÌâ)
¹ØÓÚgprsÉÏÐй¦¿Ø gamma
ÎÒ¿´Á˼¸¸ö×ÊÁÏÀﶼÓÐÕâôһ¸öÀý×Ó£ºÈç¹ûALPHA£½1£¬BTS_TxPWR_MAX£½43dBm£¬ÇÒÉÏÏÂÐÐËðºÄÏàͬ£¬ÄÇô£¬GSM900_BTS¶ËÔ¤ÆڵĽÓÊÕÐźÅÇ¿¶È£½£­52£­GAMMA£¨dBm£© Õâ¸öÔõôµÄ³öÀ´µÄÄØ£¿


¹«Ê½ÊDz»ÊÇ£ºMS_TxPWR=MAX{MIN[§¤0£­GAMMA£­ALPHA¡Á£¨C£«48£©£¬PMAX1]£¬PMIN1} £¿
ÄÇô£º §¤0£­GAMMA£­ALPHA¡Á£¨C£«48£©=PMAX1
39-GAMMA-C-48=33
C= -42-GAMMA
ÕâÀïÃæµÄpmax1Ó¦¸ÃÊÇÔÊÐíÊÖ»úµÄ×î´ó·¢É书ÂÊ£¬¶ø²»ÊÇ»ùÕ¾µÄ·¢É书ÂÊ°É£¿£¿£¿


»ù±¾ÉèÖÃΪALPHA=0.7 ¡¢GAMMA=34dB£¬Ôڴ󲿷ֻùÕ¾¶¼ÓÐËù½µ¹¦ÂʵÄÇé¿öÏ£¬Õâ´ú±í×ÅÊÖ»úÔÚ»ùÕ¾½ÓÊÕµçƽΪ£­86dBm×óÓÒʱ£¬ÒÔ×î´ó¹¦ÂÊ·¢Éä¡£¡¡¡¡£­£¸£¶ÓÖÊÇÔõôµÄ³öÀ´µÄÄØ£¿
ÌáÎÊÕß: Networklb  ÌáÎÊʱ¼ä: 2012-04-24    
 
  ÎÒÒª»Ø´ð£º
 

  ÇëÏÈ µÇ¼ »ò ×¢²á ÔٻشðÎÊÌâ

¸ü¶à ÉÏÐÐ GPRS PRS gpr MMA ÉÏÐй¦¿Ø GAM Ïà¹ØÎÊÌâ
ÎÊÌâ´ð°¸ ( 1 )

Õâ¸öÊÇÊý¾ÝÓòµÄÉÏÐй¦ÂÊ¿ØÖƲÎÊý£»»21fds3K:JFD()±¾ÎÄÀ´×ÔÒƶ¯Í¨ÐÅÍøwww.mscbsc.com,°æȨËùÓÐ
wioK:JFD()$#_*(±¾ÎÄÀ´×ÔÒƶ¯Í¨ÐÅÍøwww.mscbsc.com,°æȨËùÓÐ
Alpha²ÎÊý£ºÈ¡Öµ£¨0,1£©²½³¤0.1sfds1fadK:JFD()$±¾ÎÄÀ´×ÔÒƶ¯Í¨ÐÅÍøwww.mscbsc.com,°æȨËùÓÐ
¸Ã²ÎÊýÓÃÓÚ½øÐпª»·¹¦ÂÊ¿ØÖÆ¡£
ALPHA²ÎÊýÓÉMSÓÃÀ´¼ÆËãËüÉÏÐÐPDCHµÄÊä³ö¹¦ÂÊÖµPCH¡£
¸Ã²ÎÊýÉ趨ÁËÔÚʹÓÃÊÖ»úGPRS¶¯Ì¬¹¦ÂÊ¿ØÖÆʱ£¬ÔÚÓë·¾¶ËðºÄµÄ¶ÔÓ¦¹ØϵÖÐÊÖ»ú·¢É书ÂʼõÉٵĵȼ¶¡£È¡ÖµÎª1ÊÇ¿ª»·¹¦¿Ø¡£K:JFD()$#_±¾ÎÄÀ´×ÔÒƶ¯Í¨ÐÅÍøwww.mscbsc.com,°æȨËùÓÐ


GAMMA_TNx:È¡Öµ£¨0,31£©²½³¤11fds3a21fdK:JFD()$#_±¾ÎÄÀ´×ÔÒƶ¯Í¨ÐÅÍøwww.mscbsc.com,°æȨËùÓÐ
¸Ã²ÎÊý±íʾ³õʼ¹¦Âʵȼ¶¡£*$#ʲ21f3dsK:JFD()$#_*±¾ÎÄÀ´×ÔÒƶ¯Í¨ÐÅÍøwww.mscbsc.com,°æȨËùÓÐ
¸Ã²ÎÊýÉ趨ÁËÔÚʹÓÃÊÖ»úGPRS¶¯Ì¬¹¦ÂÊ¿ØÖÆʱ£¬BTS¶ËÔ¤ÆڵĽÓÊÕÐźÅÇ¿¶È¡£ÊÇ434321K:JFD()$±¾ÎÄÀ´×ÔÒƶ¯Í¨ÐÅÍøwww.mscbsc.com,°æȨËùÓÐ
¸Ã²ÎÊýÉèÖÃÔ½´ó£¬MSÊä³ö¹¦ÂÊԽС£»¸Ã²ÎÊýÉèÖÃԽС£¬MSµÄÊä³ö¹¦ÂÊÔ½´ó¡£&#*($(ÅK:JFD()±¾ÎÄÀ´×ÔÒƶ¯Í¨ÐÅÍøwww.mscbsc.com,°æȨËùÓÐ


»Ø´ðÕߣº xhy1331     »Ø´ðʱ¼ä£º2012-04-25 08:49    

16        17        

ÖйúͨÐÅÈ˲ÅÍø | ½­ËÕͨÐÅÈ˲ÅÍø | ɽ¶«Í¨ÐÅÈ˲ÅÍø | Î人ͨÐÅÈ˲ÅÍø | Õ㽭ͨÐÅÈ˲ÅÍø | ºþÄÏͨÐÅÈ˲ÅÍø
ÉϺ£ÈðºÌͨѶ¼¼ÊõÓÐÏÞ¹«Ë¾ Ƹ£º¹ãÖÝÖи߼¶¹¤³Ìʦ
ÐèÇóÈËÊý£º3 ÈË µØµã£º¹ãÖÝÊÐ
¹ã¶«ÄÏ·½Í¨ÐŽ¨ÉèÓÐÏÞ¹«Ë¾ Ƹ£º¸ß¶ËרÏ½ÒÑôÉÇÍ·³¤ÆÚ£©
ÐèÇóÈËÊý£º2 ÈË µØµã£º¹ã¶«Ê¡
¸£½¨Ê¡ºè¹ÙͨÐŹ¤³ÌÓÐÏÞ¹«Ë¾ Ƹ£ºÕ㽭ʵϰǰ̨¹¤³Ìʦ
ÐèÇóÈËÊý£º7 ÈË µØµã£ºÕã½­Ê¡
º¼ÖÝ»ªÐDz©ºèͨÐż¼ÊõÓÐÏÞ¹«Ë¾ Ƹ£ºÄÚÃɹÅŵ»ùÑÇLTEºǫ́ÖС¢¸ß¼¶
ÐèÇóÈËÊý£º1 ÈË µØµã£º°ÍÑåÄ׶ûÊÐ
ÉϺ£î£îìÖÇÄܿƼ¼ÓÐÏÞ¹«Ë¾ Ƹ£º½­ËÕÑγÇ700MÍⳡ
ÐèÇóÈËÊý£º1 ÈË µØµã£ºÑγÇÊÐ
ÄϾ©»ªËտƼ¼ÓÐÏÞ¹«Ë¾ Ƹ£ºÊµÏ°ÉúÕÐƸ-½­Î÷ÈÕ³£ÏîÄ¿
ÐèÇóÈËÊý£º20 ÈË µØµã£ºÉÏÈÄÊÐ,ӥ̶ÊÐ,¼ª°²ÊÐ,¾°µÂÕòÊÐ
ÖÐÒÆÌúͨÓÐÏÞ¹«Ë¾½­ÃÅ·Ö¹«Ë¾ Ƹ£ºÎ¬»¤Ö¸±ê¹Ü¿ØÖ÷¹Ü
ÐèÇóÈËÊý£º1 ÈË µØµã£º½­ÃÅÊÐ
Õã½­Ê¡Óʵ繤³Ì½¨ÉèÓÐÏÞ¹«Ë¾ Ƹ£ºÉÂÎ÷ÓÜÁÖÒƶ¯5Gϵͳ¹¤³Ìʦ
ÐèÇóÈËÊý£º5 ÈË µØµã£ºÏÌÑôÊÐ,ÓÜÁÖÊÐ
ÄϾ©¸ñ°²ÐÅϢϵͳÓÐÏÞÔðÈι«Ë¾ Ƹ£º5GÖи߼¶ºǫ́¹¤³Ìʦ
ÐèÇóÈËÊý£º1 ÈË µØµã£ºÌ«Ô­ÊÐ
Î÷°²³¤ºÓͨѶÓÐÏÞÔðÈι«Ë¾ Ƹ£º¡¾¸ÊËà¡¿ÍøÓŹ¤³Ìʦ
ÐèÇóÈËÊý£º10 ÈË µØµã£ºÎäÍþÊÐ
ÈȵãÎÊÌâ
¸ü¶à¾«²Ê

ÁªÏµÎÒÃÇ - ÎÊͨÐÅר¼Ò Powered by MSCBSC Òƶ¯Í¨ÐÅÍø  © 2006 -