ÎÊÌâÒÑ¿ªÆô (ÆÕͨÎÊÌâ)
TFOºÍTRFOÓÐʲôÇø±ð
ÈçÌâ
ÌáÎÊÕß: luins  ÌáÎÊʱ¼ä: 2011-09-28    
 
  ÎÒÒª»Ø´ð£º
 

  ÇëÏÈ µÇ¼ »ò ×¢²á ÔٻشðÎÊÌâ

¸ü¶à TFO TRFO Ïà¹ØÎÊÌâ
ÎÊÌâ´ð°¸ ( 2 )

¸øÄãÒ»¸öÏêϸµÄ´ð°¸:a21fd3sK:JFD()±¾ÎÄÀ´×ÔÒƶ¯Í¨ÐÅÍøwww.mscbsc.com,°æȨËùÓÐ
TrfoÓëTRFO
TFOÊÇTandem Free Operation µÄËõд£¬ÊÇÔÚºô½Ð½¨Á¢ºóͨ¹ýÁ½¸öTC£¨±à½âÂëÆ÷£©¶ÔËùʹÓõÄCodec½øÐдøÄÚЭÉÌÍê³É£¬Ê¹µÃÒƶ¯Óû§Ö®¼äµÄºô½Ð¿ÉÒÔ±ÜÃâÔÚ·¢¶ËºÍÊն˲à½øÐв»±ØÒªµÄÓïÒô±à½âÂëת»»£¬´Ó¶øÌá¸ß»°ÒôÖÊÁ¿¡£ËäÈ»²»ÐèÒªTC½øÐбà½âÂëת»»£¬µ«TCÒªÒ»Ö±¼àÊÓ½øÐÐÖеĺô½Ð£¬ËùÒÔTFO²¢²»½ÚÊ¡TC×ÊÔ´¡£TFOÔÚGSM¡¢R99¶¼ÓÐÓ¦Óá£/|"E2`+Z+V'L
TrFO
ÊÇ Transcoder Free OperationµÄËõд£¬ÊÇÒ»ÖÖ´øÍâµÄЭÉÌ»úÖÆ£¬¿Éͨ¹ýMSC SERVERÖ®¼äµÄÐÅÁî½øÐÐЭÉÌ£¬Ê¹µÃÍøÂç¿ÉÒÔÔÚºô½Ð½¨Á¢Ç°¾Í¶ÔCodecµÄÀàÐͺÍģʽ½øÐÐЭÉÌ£¬¾­Ð­É̺ó£¬Òƶ¯Óû§Ö®¼äµÄºô½Ð¿ÉÒÔÍêÈ«²»¾­¹ý±à½âÂëÆ÷£¬´Ó¶øÌá¸ß»°ÒôÖÊÁ¿¡£ÒòΪ²ÉÓõÄÊÇ´øÍâµÄЭÉÌ»úÖÆ£¬ËùÒÔTrFO²»ÐèÒªTC×ÊÔ´£¬´Ó¶ø½ÚÊ¡ÁË°º¹óµÄTC×ÊÔ´¼°Æä´øÀ´µÄ¹¦ºÄ¡£TrFOµÄÁíÒ»ºÃ´¦ÊÇ·Ö×é³ÐÔØÖÐʹÓÃʱ¿ÉÒÔ½ÚÊ¡ÍøÂç´ø¿í£¬ÒòΪ»°Òô¿ÉÒÔÒÔAMR 12.2 kbpsµÄËÙÂÊÔÚºËÐÄÍøÖд«Êä¡£TrFOÊÇʹÓÃATM»òIP³ÐÔصÄR4ÍøÂçÌØÓеļ¼Êõ¡£
434321%K:JFD()±¾ÎÄÀ´×ÔÒƶ¯Í¨ÐÅÍøwww.mscbsc.com,°æȨËùÓÐ
R99
µ½R4ÔÚ¹¦ÄÜÉϲî±ð±È½ÏС£¬Ö÷ÒªÊÇÒýÈëÁËTrFO¹¦ÄÜ¡£ÓÉÓÚ»°Òô±àÂëÆ÷¶Ô»°Òô±àÂëÊÇÓÐËðѹËõ£¬Ã¿¾­¹ýÒ»´Î±à½âÂë»á½µµÍ»°ÒôÖÊÁ¿£¬Òò´Ë¼õÉÙÓïÒô½âÂë´ÎÊý¿ÉÒÔ¸ÄÉÆÓïÒôÖÊÁ¿¡£Í¬Ê±¼õÉÙÓïÒô½âÂë´ÎÊý»¹¿ÉÒÔ¼õÉÙ»°ÒôµÄ´«ÊäʱÑӺͽÚÊ¡ÍøÂçÉ豸¹¦ÂÊ¡£%#*(ÎÒ)$#@K:JFD()$#_±¾ÎÄÀ´×ÔÒƶ¯Í¨ÐÅÍøwww.mscbsc.com,°æȨËùÓÐ
Ϊ³ä·ÖÀûÓÿÕÖнӿںÍÎÞÏß½ÓÈëÍøµÄ´ø¿í×ÊÔ´£¬WCDMA²ÉÓÃÁËAMRѹËõÓïÒô±àÂ룬Æä×î´ó±àÂëËÙÂÊΪ12.2kbit/s£¬ÔÚR99½×¶Î£¬ºËÐÄÍøµç·Óò»ùÓÚTDM³ÐÔØ·½Ê½£¬ÓïÒô²ÉÓÃ64kbit/sµÄPCM±àÂ룬Òò´ËR99MSCÒ»¸öºÜÖØÒªµÄ¹¦Äܼ´¾ß±¸ÓïÒô±à½âÂë´¦Àí(TC)¹¦ÄÜ£¬µ«ÊÇÓïÒô±à½âÂëÈÝÒ×½µµÍ»°ÒôÖÊÁ¿£¬ÌرðÊǶÔÓÚÒƶ¯Óû§Ö®¼äµÄºô½Ð£¬ÐèÒª½øÐÐÁ½´ÎÓïÒô±à½âÂë¡£Ïà·´£¬Èç¹û²»²ÉÓñà½âÂë¼ÈÓÐÖúÓÚÌáÉý»°ÒôÖÊÁ¿£¬»¹¿É½ÚÊ¡ÍøÂçµÄ´ø¿í¡£ÔÚR99½×¶Î£¬¿Éͨ¹ýTFOʵÏÖAMR»°ÒôµÄ͸´«£¬ÒÔ¼õÉÙÓïÒô±à½âÂëÔì³ÉµÄ»°ÒôÖÊÁ¿ËðÉË£¬¶øÔÚR4½×¶Î£¬Ôòͨ¹ýTrFO¼õÉÙÓïÒô±à½âÂë´ÎÊý¡£TrFO²ÉÓôøÍâÐÅÁî±à½âÂë¿ØÖƹ¦ÄÜ(OoBTC)ʵÏÖ£¬²»½öÊÊÓÃÓÚÒƶ¯ÓëÒƶ¯¼äºô½Ð£¬Ò²ÊÊÓÃÓÚÒƶ¯ÍøÂçÓëÍⲿÍøÂçµÄºô½Ð¡£´Ë¼¼ÊõÒýÈëµÄÓÅÊÆÊÇÔÚºô½ÐË«·½²ÉÓÃÏàͬÓïÒô±à½âÂëÀàÐ͵ÄÇé¿öÏ£¬¿ÉʵÏÖѹËõÓïÒôµÄ͸´«¡£
3GPP
½éÉÜTrFOÒµÎñµÄЭÒéΪTS23.153ЭÒ飬³ÆΪOoBTC(OutofBand Transcoder Control)£¬ÆäÖ÷Òª¹¦ÄÜÈçÏ£º($(Ŷ*&#%kK:JFD()$#_±¾ÎÄÀ´×ÔÒƶ¯Í¨ÐÅÍøwww.mscbsc.com,°æȨËùÓÐ
ºô½Ð½¨Á¢Ê±Ð­É̱à½âÂëÀàÐÍ£¬±ÜÃâ²åÈëTC£»1%$#(*$#K:JFD()$±¾ÎÄÀ´×ÔÒƶ¯Í¨ÐÅÍøwww.mscbsc.com,°æȨËùÓÐ
¾ß±¸TrFOÖжϺͻָ´´¦ÀíÄÜÁ¦£»#*($(Ŷ*&#%K:JFD()$#_*±¾ÎÄÀ´×ÔÒƶ¯Í¨ÐÅÍøwww.mscbsc.com,°æȨËùÓÐ
±à½âÂë¿ØÖƲ¿·ÖÐèÒªÖ§³Ö±à½âÂëÀàÐÍÀ©Õ¹µÄÄÜÁ¦£»321%$K:JFD±¾ÎÄÀ´×ÔÒƶ¯Í¨ÐÅÍøwww.mscbsc.com,°æȨËùÓÐ
TrFO
½¨Á¢¹ý³Ì»òÕßTrFOÖжÏ/»Ö¸´¹ý³Ì²»Ó¦ÒýÆðÃ÷ÏÔʱ¼äÑÓ³Ù£»
ÔÚ×îºÏÊʵÄλÖòåÈëTCÒÔ½ÚÊ¡´ø¿í£»saf12zcv545K:JFD()$#_*±¾ÎÄÀ´×ÔÒƶ¯Í¨ÐÅÍøwww.mscbsc.com,°æȨËùÓÐ
ÔÚNc½Ó¿Úºô½Ð¿ØÖƹý³ÌÓ¦µ±Ö§³ÖTrFOµÄ±à½âÂëЭÉÌ¡¢±à½âÂë¸ü¸Ä¡¢±à½âÂëÄÜÁ¦ÁбíЭÉÌ¡¢±à½âÂëÖØÐÂЭÉ̱à½âÂëÄÜÁ¦ÁбíÖØÐÂЭÉ̵ȹ¦ÄÜ£»
ÔÚIu½Ó¿ÚºÍNb½Ó¿ÚÓ¦µ±Ö§³ÖTrFO£¬Èç³ÐÔØÄÜÁ¦¸ü¸Ä¡£)#$@&%#*(ÎK:JFD()$#_±¾ÎÄÀ´×ÔÒƶ¯Í¨ÐÅÍøwww.mscbsc.com,°æȨËùÓÐ
¶þ¡¢TrFO½¨Á¢Á÷³Ì
ÏÂÃæÒÔÒƶ¯Óû§Ö®¼äºô½ÐΪÀý˵Ã÷TrFOºô½Ð½¨Á¢¹ý³Ì£¬ÅäÖÃÈçͼ1Ëùʾ£¬Éæ¼°µÄÍøÂçʵÌå°üÀ¨£ºRNC-T/O¡¢MSCServer-T/O¡¢MGW-T /O¡¢TBE£¨TrFOBreakEquipment£©¡¢Iu FP term-T/O¡¢RANAPºÍTICC¡£ÆäÖУ¬T±íʾÖÕÖ¹·½£¬O±íʾ·¢Æ𷽡£f12zcK:JFD±¾ÎÄÀ´×ÔÒƶ¯Í¨ÐÅÍøwww.mscbsc.com,°æȨËùÓÐ
ͼ1MS-MSTrFOºô½Ð½¨Á¢Á÷³Ì45%#(ô$*@#(K:JFD()$#_*(±¾ÎÄÀ´×ÔÒƶ¯Í¨ÐÅÍøwww.mscbsc.com,°æȨËùÓÐ
Òƶ¯ÖÁÒƶ¯Óû§TrFOºô½Ð½¨Á¢¹ý³Ì·ÖΪ3¸ö½×¶Î£º±à½âÂëЭÉ̽׶Ρ¢ÍøÂç²à³ÐÔؽ¨Á¢½×¶Î¡¢RABÖ¸Åä½×¶Î¡£f12dsK:JFD±¾ÎÄÀ´×ÔÒƶ¯Í¨ÐÅÍøwww.mscbsc.com,°æȨËùÓÐ
±àÂëЭÉ̽׶ÎÊÇMSC-OºÍMST-TÖ®¼äÈ·¶¨±àÂëÀàÐÍ£»ÍøÂç²à³ÐÔؽ¨Á¢½×¶ÎÊÇMGW-OºÍMGW-T½¨Á¢ÖÕ¶ËT3ºÍT2£¬²¢ÊµÏÖ¶þÕߵĻ¥Í¨£»RABÖ¸Åä½×¶ÎÖ¸MGW-OºÍMGW-T½¨Á¢ÓëRAN-O/T»¥Í¨µÄÖÕ¶ËT4ºÍT1£¬²¢ÓëRAN»¥Í¨¡£»ù±¾¹ý³ÌÈçÏ£º%kcvmmvckjluK:JFD()$#_*(±¾ÎÄÀ´×ÔÒƶ¯Í¨ÐÅÍøwww.mscbsc.com,°æȨËùÓÐ
1
£®µ±RNC-OÓëRNC-TÖ®¼ä½¨Á¢TrFOºô½Ðʱ£¬RNC-Oͨ¹ýRANAPЭÒéÏòMSCServer-O·¢ÆðÇëÇó£¨ÇëÇóÐÅÏ¢ÖаüÀ¨·¢Æð·½Ö§³ÖµÄ±àÂëÀàÐÍ£¬ÀýÈçΪx£¬y£¬z£©£»dÖª1fkjhfjouK:JFD()$#_*(±¾ÎÄÀ´×ÔÒƶ¯Í¨ÐÅÍøwww.mscbsc.com,°æȨËùÓÐ
2
£®MSCServer-Oͨ¹ýBICCЭÒ齫ÊÕµ½µÄÇëÇóÐÅϢͨ¹ýIAM£¨InitialAddress Message£©ÏûÏ¢Ö±´«ÖÁMSC Server-T£»ds1fadsK:JFD()±¾ÎÄÀ´×ÔÒƶ¯Í¨ÐÅÍøwww.mscbsc.com,°æȨËùÓÐ
3
£®MSC-Server-Tͨ¹ýUTRANÓëRNC-T½¨Á¢Á¬½Ó£¬ÔÚ½ÓÊÕµ½RNC-TÏìÓ¦µÄCALLCONFIRMEDÏûÏ¢£¨ÏûÏ¢Öаüº¬RNC-TÖ§³ÖµÄ±àÂëÀàÐÍ£¬ÀýÈçΪv£¬w£¬x£©£»
4
£®MSCServer-Tͨ¹ýMc½Ó¿Ú£¨H.248ЭÒ飩ÇëÇóMGW-T½¨Á¢Ò»¸öж˵㣬¸Ã¶ËµãÓÃÓÚMGW-TÓëMGW-O½øÐÐÓû§ÃæµÄ»¥Í¨£»5%#(ô$*@#(_K:JFD()$#_*(±¾ÎÄÀ´×ÔÒƶ¯Í¨ÐÅÍøwww.mscbsc.com,°æȨËùÓÐ
5
£®MGW-T¸ù¾ÝMSCServer-T·¢Ë͵ÄÇëÇ󣬽¨Á¢Ð¶˵ãT3£¬²¢½«¹ØÓڶ˵ãT3µÄÐÅϢͨ¹ýÏìÓ¦ÏûÏ¢·¢Ë͸øMSCServer-T£»*$#(*)#K:JFD()±¾ÎÄÀ´×ÔÒƶ¯Í¨ÐÅÍøwww.mscbsc.com,°æȨËùÓÐ
6
£®MSCServer- T¸ù¾ÝRNC-TÉϱ¨µÄ±àÂëÀàÐÍ£¨v£¬w£¬x£©Óë¾­ÓÉMSCServer-O·¢Ë͵ıàÂëÀàÐÍ£¨x£¬y£¬z£©½øÐбȽϣ¬¸ù¾ÝÓÅÏȼ¶È·¶¨Ë«·½¶¼Ö§³ÖµÄ±àÂëÀàÐÍ£¨x£©£¬²¢Í¨¹ýBICCЭÒ齫ȷ¶¨µÄ±àÂëÀàÐÍ£¨x£©·¢Ë͸øMSC Server-O¡£¸Ã¹ý³ÌΪ±àÂëЭÉ̹ý³Ì£¬ÓÃÓÚÈ·¶¨MSC ServerÖ®¼ä¹²Í¬Ö§³ÖµÄ±àÂëÀàÐÍ¡£#%kcvmmvckK:JFD()$#_±¾ÎÄÀ´×ÔÒƶ¯Í¨ÐÅÍøwww.mscbsc.com,°æȨËùÓÐ
7
£®MSCServer-Oͨ¹ýH.248ЭÒ齨Á¢MGW-OÖÐÓëMGW-T»¥Í¨µÄÖÕ¶ËT2£¬²¢¿ØÖÆMGW-O·¢ÆðÓëMGW-TÖ®¼äµÄÁ¬½Ó½¨Á¢¹ý³Ì£¬MGW-TÏìÓ¦MGW-OµÄ½¨Á¢ÇëÇóÏûÏ¢Ö®ºó£¬¶þÕßÖ®¼äµÄ³ÐÔؽ¨Á¢£¬ÕâΪÍøÂç²à³ÐÔؽ¨Á¢½×¶Î¡£Ç434321%$#(*K:JFD()$#_*(±¾ÎÄÀ´×ÔÒƶ¯Í¨ÐÅÍøwww.mscbsc.com,°æȨËùÓÐ
Èý¡¢TrFOµÄʵÏÖ¶ÔÍøÂçµÄÒªÇófkjhfK:JFD±¾ÎÄÀ´×ÔÒƶ¯Í¨ÐÅÍøwww.mscbsc.com,°æȨËùÓÐ
´ÓÇ°ÃæµÄºô½Ð½¨Á¢Á÷³Ì²»ÄÑ·¢ÏÖTrFO¹¦ÄܵÄʵÏÖÐèÒªÖնˡ¢ÎÞÏß½ÓÈëÍøÒÔ¼°ºËÐÄÍøµÄÏà¹Ø¹¦ÄÜʵÌåµÄÅäºÏ¡£42ÊÇ434321K:JFD()$#_±¾ÎÄÀ´×ÔÒƶ¯Í¨ÐÅÍøwww.mscbsc.com,°æȨËùÓÐ
ÖÕ¶ËÓëÍøÂçÐèÅäºÏÍê³É±à½âÂëЭÉ̹ý³Ì£¬±àÂëЭÉ̹ý³Ì¿ÉÒÔÔÚºô½Ð½¨Á¢½×¶Î½øÐУ¬Ò²¿ÉÒÔÔÚºô½Ð½¨Á¢Ö®ºó½øÐУ¨ÀýÈçÇл»»òÖض¨Î»£©¡£ÒÔºô½Ð½¨Á¢½×¶ÎΪÀý£¬·¢Æð·½ÖÕ¶ËÐèÏòÍøÂç±íÃ÷ÆäÖ§³ÖµÄ±àÂëÀàÐÍ£¬ÍøÂç·ÖÎöÊÕµ½µÄ±àÂëÁÐ±í£¬¸ù¾ÝÍøÂçÄÜÁ¦É¾³ý²»Ö§³ÖµÄ±àÂëÀàÐÍ£¬È»ºóÏòǰת·¢Ð޸ĺóµÄÁÐ±í£¬½ÓÊÜ·½Ôò½áºÏ×Ô¼ºµÄÄÜÁ¦ÅжÏÓÐÎÞ¹²Í¬µÄ±àÂëÀàÐÍ£¬ÈôÓÐÔòÍøÂçΪÖÕ¶ËÖ®¼ä½¨Á¢Ãâ±à½âÂëÁ¬½Ó£¬ÎÞÏß½ÓÈëÍøÐè¸ù¾ÝЭÉ̵Ľá¹û·ÖÅäÏàÓ¦µÄ³ÐÔØ×ÊÔ´,ÈôûÓУ¬ÔòÐèÔÚ´«Êä·¾¶ÉϲåÈëTCµ¥Ôª¡£$(Ŷ*&#%kK:JFD()$#±¾ÎÄÀ´×ÔÒƶ¯Í¨ÐÅÍøwww.mscbsc.com,°æȨËùÓÐ
1
£®TrFO¶ÔMSµÄÒªÇó(*)#$@&K:JFD()±¾ÎÄÀ´×ÔÒƶ¯Í¨ÐÅÍøwww.mscbsc.com,°æȨËùÓÐ
TrFO
¶ÔMSµÄÒªÇóÊÇÖÕ¶ËÐèÄܹ»ÏòÍøÂç±íÃ÷ÆäÖ§³ÖµÄ±àÂëÀàÐÍ,´ÓЭÒéµÄ½Ç¶ÈÉÏÀ´Ëµ£¬ÖÕ¶ËÐèÒªÔÚÆä·¢ÆðµÄSetup£¨¶ÔÓÚÖ÷½Ð£©ºÍCallconfirmed£¨¶ÔÓÚ±»½Ð£©ÏûÏ¢ÖбíÃ÷ÆäÖ§³ÖµÄ±àÂëÀàÐÍ£¬Õâͨ¹ýÏûÏ¢Öеġ°SupportedCodecs¡±ÐÅÏ¢ÔªËØÀ´ÌåÏÖ¡£%$#(*$#ʲ21K:JFD()$#_*±¾ÎÄÀ´×ÔÒƶ¯Í¨ÐÅÍøwww.mscbsc.com,°æȨËùÓÐ
2
£®TrFO¶ÔUTRANµÄÒªÇó2dsfds1faK:JFD()$#±¾ÎÄÀ´×ÔÒƶ¯Í¨ÐÅÍøwww.mscbsc.com,°æȨËùÓÐ
¶ÔÓÚUTRANÀ´Ëµ£¬Ðè¸ù¾ÝЭÉ̵Ľá¹û·ÖÅäÏàÓ¦µÄ³ÐÔØ×ÊÔ´£¬±¾ÖÊÉÏÀ´Ëµ¼´¸ù¾ÝЭÉÌÈ·¶¨µÄ±àÂëÀàÐÍÅäÖÃÏàÓ¦µÄ³ÐÔزÎÊý£¬ÈçÓÉÓÚѹËõÓïÒôµÄ´«ÊäÒ»°ãʹÓÃÖ§³ÖģʽµÄUPЭÒé´«Ê䣬UTRANÐè²ÉÓÃÖ§³ÖģʽÀ´³ÐÔØѹËõÓïÒô¡£($(Ŷ*&#%kcK:JFD()$#_*±¾ÎÄÀ´×ÔÒƶ¯Í¨ÐÅÍøwww.mscbsc.com,°æȨËùÓÐ
3
£®TrFO¶ÔºËÐÄÍøµÄÒªÇófdÖª1fK:JFD(±¾ÎÄÀ´×ÔÒƶ¯Í¨ÐÅÍøwww.mscbsc.com,°æȨËùÓÐ
¶ÔÓÚºËÐÄÍøÀ´Ëµ£¬ÎªÁ˳ɹ¦½¨Á¢TrFOºô½Ð£¬Ðè¾ß±¸±à½âÂëЭÉÌÄÜÁ¦£¬ÔÚTrFO²»³É¹¦Ê±Ó¦ÄÜÔÚ´«Êä·¾¶ÉϲåÈëTC£¬²¢Ö§³ÖÔÚÇл»¡¢ºô½ÐǰתµÈÌØÊâºô½ÐÇé¿öϵıà½âÂëÖØÐÂЭÉ̵ÄÄÜÁ¦£¬´ÓЭÒéµÄ½Ç¶ÈÀ´Ëµ£¬ÎÞÂÛRANAP¡¢Iu-UP¡¢BICC¡¢H.248»¹ÊÇNb-UP¾ùÐèÒª×öÏàÓ¦µÄÀ©Õ¹¡£3dsafK:JFD±¾ÎÄÀ´×ÔÒƶ¯Í¨ÐÅÍøwww.mscbsc.com,°æȨËùÓÐ
ËÄ¡¢TrFOÓëTFOµÄÇø±ðuierpoK:JFD(±¾ÎÄÀ´×ÔÒƶ¯Í¨ÐÅÍøwww.mscbsc.com,°æȨËùÓÐ
TrFO
ºÍTFO¾ù¿É½¨Á¢Ãâ±à½âÂëµÄÁ¬½Ó£¬µ«ÊÇÁ½ÕßµÄʵÏÖ»úÖƺÍÓ¦Óó¡ºÏÈ´²»Ïàͬ¡£$#(*)#$@&%#*K:JFD()$#_*(±¾ÎÄÀ´×ÔÒƶ¯Í¨ÐÅÍøwww.mscbsc.com,°æȨËùÓÐ
TrFO
ÊÇ»ùÓÚ´øÍâÐÅÁʽ½¨Á¢£¬ÔÚºô½Ð½¨Á¢Ç°½¨Á¢£¬½¨Á¢³É¹¦ºó¿É½ÚÊ¡TC×ÊÔ´£¬¶øTFOÊÇÔÚºô½Ð½¨Á¢ºóͨ¹ý´øÄÚÐÅÁîЭÉ̽¨Á¢£¬Æ佨Á¢µÄʵÌåΪTC£¬½¨Á¢³É¹¦ºó²¢²»Ö±½Ó½ÚÊ¡TC×ÊÔ´¡£µ«TFOÌṩ¸ü¿ìµÄ»ØÍËÖÁÕý³£Ä£Ê½µÄ»úÖÆ¡£
TFO
²»ÊÇWCDMAÌØÓеļ¼Êõ£¬¿ÉÒÔÔÚGSMÍøÂçÖÐÓ¦Ó㬶øTrFOÔòÊÇרΪWCDMAR4Éè¼ÆµÄ¡£dÖª1fkjhfjoK:JFD()$#_*±¾ÎÄÀ´×ÔÒƶ¯Í¨ÐÅÍøwww.mscbsc.com,°æȨËùÓÐ
ÈçºÎÔÚ±£Ö¤·þÎñÖÊÁ¿µÄÇ°ÌáϾ¡Á¿µÄ½ÚÊ¡É豸ºÍϵͳµÄ×ÊÔ´¿ªÏú£¬ÊÇÔËÓªÉ̽¨ÉèÍøÂçʱÐèÒª¿¼ÂǵÄÎÊÌâ¡£ÔÚWCDMAR4½×¶ÎÒýÈëTrFO¼¼Êõºó£¬¶ÔÓÚ½ÚÊ¡ÍøÂç´ø¿íºÍÌá¸ßÍøÂç·þÎñÖÊÁ¿¾ùÓÐÖØÒªÒâÒå¡£
@#(_@s4K:JFD()±¾ÎÄÀ´×ÔÒƶ¯Í¨ÐÅÍøwww.mscbsc.com,°æȨËùÓÐ
*(&#*($(K:JFD()$±¾ÎÄÀ´×ÔÒƶ¯Í¨ÐÅÍøwww.mscbsc.com,°æȨËùÓÐ
poejµÀh$#$#&K:JFD()$#_*(±¾ÎÄÀ´×ÔÒƶ¯Í¨ÐÅÍøwww.mscbsc.com,°æȨËùÓÐ

»Ø´ðÕߣº xhy1331     »Ø´ðʱ¼ä£º2011-09-28 15:07    

53        48        


ѧϰÁË£¬¶àл
1fd3s1fdÖK:JFD()$#±¾ÎÄÀ´×ÔÒƶ¯Í¨ÐÅÍøwww.mscbsc.com,°æȨËùÓÐ

»Ø´ðÕߣº andrew.huang     »Ø´ðʱ¼ä£º2011-10-11 10:02    

45        44        

ÖйúͨÐÅÈ˲ÅÍø | ½­ËÕͨÐÅÈ˲ÅÍø | ɽ¶«Í¨ÐÅÈ˲ÅÍø | Î人ͨÐÅÈ˲ÅÍø | Õ㽭ͨÐÅÈ˲ÅÍø | ºþÄÏͨÐÅÈ˲ÅÍø
ÖØÇìÐÅ¿ÆͨÐŹ¤³ÌÓÐÏÞ¹«Ë¾ Ƹ£ºËÄ´¨°ÍÖÐ-IMCÕÐƸ
ÐèÇóÈËÊý£º1 ÈË µØµã£º°ÍÖÐÊÐ
ÄϾ©¸ñ°²ÐÅϢϵͳÓÐÏÞÔðÈι«Ë¾ Ƹ£º5GÖи߼¶ºǫ́¹¤³Ìʦ
ÐèÇóÈËÊý£º1 ÈË µØµã£ºÌ«Ô­ÊÐ
ÉϺ£µÂרÐÅÏ¢¼¼ÊõÓÐÏÞ¹«Ë¾ Ƹ£º¼±Æ¸£¡Ð½®°¢ÀÕÌ©ÓÅ»¯
ÐèÇóÈËÊý£º3 ÈË µØµã£ºÐ½®
¼Î»·¿Æ¼¼¹É·ÝÓÐÏÞ¹«Ë¾ Ƹ£º²âÊÔ¹¤³Ìʦ
ÐèÇóÈËÊý£º15 ÈË µØµã£ºÀ¥Ã÷ÊÐ,ÁÙ²×ÊÐ,µÂºêÖÝ,ºìºÓÖÝ,ÓñϪÊÐ
º¼Öݶ«ÐÅÍøÂç¼¼ÊõÓÐÏÞ¹«Ë¾ Ƹ£º³¤ÆÚ-²×ÖÝ-5G»ªÎªºǫ́
ÐèÇóÈËÊý£º1 ÈË µØµã£º²×ÖÝÊÐ
Î÷°²³¤ºÓͨѶÓÐÏÞÔðÈι«Ë¾ Ƹ£º»ªÎªÊýͨ¹¤³Ìʦ
ÐèÇóÈËÊý£º3 ÈË µØµã£ººªµ¦ÊÐ,ºâË®ÊÐ,ÐĮ̈ÊÐ
ºÓÄÏ´´ÈüͨÐſƼ¼ÓÐÏÞ¹«Ë¾ Ƹ£ºÊýͨÇøά¹¤³Ìʦ
ÐèÇóÈËÊý£º3 ÈË µØµã£ºÖ£ÖÝÊÐ,ÂåÑôÊÐ,ÄÏÑôÊÐ,±±¾©ÊÐ,ɽ¶«Ê¡
º¼ÖÝ»ªÐÇ´´ÒµÍ¨Ðż¼Êõ¹É·ÝÓÐÏÞ¹«Ë¾ Ƹ£ºÖм¶Íⳡ-½úÖÐ
ÐèÇóÈËÊý£º3 ÈË µØµã£º½úÖÐÊÐ
ɽ¶«Ê¡Óʵ繤³ÌÓÐÏÞ¹«Ë¾ Ƹ£º¿¢¹¤×ÊÁϽáËãÔ±
ÐèÇóÈËÊý£º5 ÈË µØµã£º¸£ÖÝÊÐ
±±¾©µçÆìͨѶ¼¼Êõ¹É·ÝÓÐÏÞ¹«Ë¾ Ƹ£ºÍøÓÅʵϰÉúͨÐÅÓ¦½ìÉú£¨ÔÆÄÏ£©
ÐèÇóÈËÊý£º1 ÈË µØµã£ºÀ¥Ã÷ÊÐ,˼éÊÐ,ÕÑͨÊÐ
ÈȵãÎÊÌâ
¸ü¶à¾«²Ê

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