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TD-SCDMA ϵͳÅàѵÊÖ²á ÖйúÒÆ¶¯Í¨Ðż¯ÍŹ«Ë¾ 2008Äê6Ô Ŀ ¼ 1 TD-SCDMAϵͳµ¼ÂÛ.................................................................................................... 8 1.1 ¸ÅÊö................................................................................................................. 8 1.2 TD-SCDMA·¢Õ¹Àú³Ì................................................................................... 10 1.2.1 TD-SCDMA±ê×¼µÄ·¢Õ¹Àú³Ì..................................................................... 10 1.2.2 TD-SCDMAƵÆ×»®·Ö.................................................................................11 1.2.3 TD-SCDMA²úÒµÁ´µÄÐγÉÓë·¢Õ¹..............................................................11 1.3 TD-SCDMAÓëGSMϵͳµÄ±È½Ï................................................................. 12 2 TD-SCDMAϵͳ½á¹¹¡¢½Ó¿ÚÐÒéºÍµäÐÍÁ÷³Ì............................................................ 15 2.1 TD-SCDMAϵͳ½á¹¹................................................................................... 15 2.2 UTRAN½á¹¹¼°Æä½Ó¿ÚµÄͨÓÃÐÒéÄ£ÐÍ........................................................ 15 2.3 ÎÞÏß½Ó¿ÚÐÒé................................................................................................ 18 2.3.1 ÎïÀíÐŵÀ................................................................................................ 20 2.3.2 ´«ÊäÐŵÀ................................................................................................ 27 2.3.3 ´«ÊäÐŵÀ¶ÔÎïÀíÐŵÀµÄÓ³Éä¹ØÏµ.......................................................... 28 2.3.4 MAC²ã...................................................................................................... 29 2.3.5 RLC²ã....................................................................................................... 33 2.3.6 RRC²ã....................................................................................................... 37 2.4 ÎïÀí²ã¹ý³Ì.................................................................................................... 48 2.4.1 ͬ²½........................................................................................................ 48 2.4.2 ¹¦ÂÊ¿ØÖÆ................................................................................................ 48 2.4.3 Ð¡ÇøËÑË÷................................................................................................ 49 2.4.4 Ëæ»ú½ÓÈë¹ý³Ì........................................................................................ 49 2.5 IUB½Ó¿Ú......................................................................................................... 50 2.5.1 NBAP.......................................................................................................... 52 2.5.2 Iub FP ........................................................................................................ 53 2.6 IUR½Ó¿Ú......................................................................................................... 54 2.7 IU½Ó¿Ú........................................................................................................... 55 2.7.1 Iu-CSÐÒé½á¹¹.......................................................................................... 56 2.7.2 Iu-PSÐÒé½á¹¹.......................................................................................... 56 2.7.3 Iu-BCÐÒé½á¹¹.......................................................................................... 57 2.7.4 RANAP....................................................................................................... 58 2.8 µäÐÍÐÅÁîÁ÷³Ì................................................................................................ 58 2.8.1 ½ÓÁ¦Çл»Á÷³Ì........................................................................................ 58 2.8.2 Ö÷½ÐÐÅÁîÁ÷³Ì........................................................................................ 60 2.8.3 ÖÕ¶Ë·¢ÆðµÄPDPÉÏÏÂÎ碌îÁ÷³Ì........................................................ 65 3 TD-SCDMA¹Ø¼ü¼¼Êõ¼°Æä¶ÔϵͳÐÔÄܵÄÓ°Ïì............................................................ 69 3.1 TD-SCDMA¹Ø¼ü¼¼Êõ................................................................................... 69 3.1.1 ʱ·ÖË«¹¤................................................................................................ 69 3.1.2 ¶àÖ··½Ê½................................................................................................ 69 3.1.3 ͬ²½¼¼Êõ................................................................................................ 70 3.1.4 ¹¦ÂÊ¿ØÖÆ................................................................................................ 72 3.1.5 ÖÇÄÜÌìÏß................................................................................................ 73 TD-SCDMAϵͳ¼¼ÊõÅàѵÊֲ᣼¼Êõƪ 5 3.1.6 ÁªºÏ¼ì²â................................................................................................76 3.1.7 ½ÓÁ¦Çл»................................................................................................79 3.1.8 ¶¯Ì¬ÐŵÀ·ÖÅä.........................................................................................80 3.1.9 NƵµã¼¼Êõ.................................................................................................83 3.1.10 UpPCH shifting.......................................................................................85 3.2 ¹Ø¼ü¼¼Êõ¶Ô¸²¸ÇµÄÓ°Ïì..................................................................................86 3.2.1 TD-SCDMAÖ¡½á¹¹.....................................................................................86 3.2.2 ÖÇÄÜÌìÏß................................................................................................87 3.2.3 ÁªºÏ¼ì²â................................................................................................88 3.2.4 ×éÍø·½Ê½................................................................................................89 3.2.5 С½á........................................................................................................89 3.3 ¹Ø¼ü¼¼Êõ¶ÔÈÝÁ¿µÄÓ°Ïì..................................................................................89 3.3.1 TD-SCDMAÖ¡½á¹¹.....................................................................................89 3.3.2 ÖÇÄÜÌìÏß................................................................................................94 3.3.3 ÁªºÏ¼ì²â................................................................................................96 3.3.4 ¶àÐ¡ÇøÁªºÏ¼ì²â.....................................................................................98 3.3.5 NƵµã¼¼Êõ.................................................................................................99 3.3.6 ͬ²½¼¼Êõ..............................................................................................100 3.3.7 UpPCH shifting¼¼Êõ.................................................................................101 3.3.8 С½á......................................................................................................102 3.4 TD-SCDMAϵͳÓëÆäËüϵͳµÄ±È½Ï·ÖÎö...................................................102 3.4.1 ƵÆ×ЧÂʵıȽϷÖÎö............................................................................102 3.4.2 ÒµÎñÄÜÁ¦µÄ±È½Ï·ÖÎö............................................................................102 3.5 TD-SCDMAÓëÆäËûϵͳµÄ¸ÉÈÅ·ÖÎö...........................................................103 3.5.1 ¸ÉÈÅ·ÖÎöµÄ»ù±¾¸ÅÄî............................................................................103 3.5.2 ϵͳ¼ä¸ÉÈŵÄÖ÷Òª·ÖÎö·½·¨................................................................105 3.5.3 TD-SCDMAÓëGSMµÄϵͳ¼ä¸ÉÈÅ..........................................................106 3.5.4 TD-SCDMAÓëWCDMAµÄϵͳ¼ä¸ÉÈÅ....................................................107 3.5.5 TD-SCDMAÓëPHSµÄϵͳ¼ä¸ÉÈÅ...........................................................107 3.5.6 С½á......................................................................................................108 4 TD-SCDMAϵͳÐÔÄÜ................................................................................................. 111 4.1 R4ϵͳ¸²¸ÇÐÔÄÜ......................................................................................... 111 4.1.1 Ó°Ï츲¸ÇµÄÖ÷ÒªÒòËØ............................................................................ 111 4.1.2 ¸÷ÀàÐŵÀµÄ¸²¸ÇÐÔÄÜ............................................................................ 114 4.1.3 TD-SCDMAºÍÆäËûϵͳ¸²¸ÇÐÔÄܱȽÏ.................................................... 116 4.2 R4ϵͳÈÝÁ¿................................................................................................. 118 4.2.1 ¼«ÏÞÈÝÁ¿·ÖÎö....................................................................................... 118 4.2.2 ²»Í¬ÅäÖÃϸ÷ÀàÒµÎñϵͳÈÝÁ¿............................................................120 4.2.3 TD-SCDMAºÍÆäËûϵͳÈÝÁ¿±È½Ï............................................................122 4.3 HSDPAϵͳÐÔÄÜ.........................................................................................123 4.3.1 TD-HSDPA ϵͳÐÔÄÜ·ÖÎö........................................................................123 4.3.2 ÊÔÑéÍø²âÊÔ½á¹û...................................................................................124 5 TD-SCDMAϵͳµÄÒµÎñÄÜÁ¦......................................................................................126 5.1 ÒµÎñÄÜÁ¦¸ÅÊö...............................................................................................126 5.1.1 QoSÒµÎñÁ÷µÈ¼¶.......................................................................................126 TD-SCDMAϵͳ¼¼ÊõÅàѵÊֲ᣼¼Êõƪ 6 5.1.2 ÒµÎñ·ÖÀà.............................................................................................. 126 5.2 ÒµÎñ³ÐÔØÄÜÁ¦.............................................................................................. 130 5.2.1 R4ÒµÎñ³ÐÔØÄÜÁ¦..................................................................................... 130 5.2.2 MBMSÒµÎñ³ÐÔØÄÜÁ¦............................................................................... 133 5.2.3 HSDPAÒµÎñ³ÐÔØÄÜÁ¦.............................................................................. 134 5.2.4 HSUPAÒµÎñ³ÐÔØÄÜÁ¦.............................................................................. 136 5.3 ÒµÎñÓ¦ÓýéÉÜ.............................................................................................. 137 5.3.1 WAPä¯ÀÀºÍÉÏÍøÒµÎñ.............................................................................. 137 5.3.2 ¶àýÌåÒµÎñ£¨MMS£©.......................................................................... 138 5.3.3 Á÷ýÌåÒµÎñ(Video Streaming)............................................................... 140 5.3.4 ÊÓÆµµç»°£¨3GÖն˵½¶àýÌåPC/PDA H323Öն˵ĺô½Ð£©............... 142 5.3.5 ÊÓÆµ»áÒé(ÊÓÆµÈý·½Í¨»°)..................................................................... 142 5.3.6 ²ÊÁå...................................................................................................... 143 5.3.7 ÖÇÄÜÍøÒµÎñ.......................................................................................... 144 [ Last edited by ccjjhh on 2009-3-25 at 08:31 ] |
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2Â¥2009-03-23 22:07:09
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