|
| |
|
|
| |
|
|
| |
|
|
| |
 |
 |
| |
 |
 |
| |
 |
|
| |
|
|
TI±À¥X±À°ÊGSM¡BTD-SCDMA©MWiMAX¥«³õ·sÀ³¥ÎªºµL½u°ò¦³]¬I³B²z¾¹
(«n·s»D, 2006¦~12¤ë13¤é)
|
¼w¦{»ö¾¹ (TI) «Å§G±À¥X³t«×¹F3GHzªºµL½u°ò¦³]¬I°òÀW³B²z¾¹¡A¤£¶È¤j´T´£¤ÉGSM°ò¦a¥xªºÀ³¥Î®Ä¯à¡AÁ٤䴩WiMAX©MTD-SCDMAµ¥·s¥«³õ»P»Ý¨D¡C³o´Ú¤T®Ö¤ß³B²z¾¹Åý°ò¦a¥x»s³y°ÓÂX¤j²{¦³³]p¡A¨Ã¶i¤J¶·§Q¥Î¥iÂX¥R©M¼u©Ê¸Ñ¨M¤è®×´£¨Ñ¤p«¬À³¥Îªº·s¥«³õ¡C¥«³õ¬ã¨s¤½¥qIDCªí¥Ü¡AµL½u°ò¦³]¬I»Ý¨D¤£Â_Åܤƺt¶i¡A¥H¯S©w¦a°Ï©M²£«~¥~§Î¬°¥Ø¼Ðªº¥«³õ°Ó¾÷¤]¦b§Ö³t¦¨ªø¡CTI´£¨Ñ³æ¤@¼u©Ê¸Ñ¨M¤è®×µ¹»s³y°Ó»PªA°È¨ÑÀ³°Ó¡A¤£¶Èº¡¨¬¥L̦b¤£¦P¦a°Ï¨³³t³¡¸pGSM¡BTD-SCDMA©MWiMAXªº»Ý¨D¡A§ó¶i¤@¨B±j¤ÆTI¦b¦¹¥«³õªº»â¥ýÀu¶Õ¡C
³æ¤@¸Ñ¨M¤è®×¤ä´©¦hºØ¼Ð·Ç
¥Ø«e¦³¶W¹L20»õGSM¥Î¤á¤À´²¦b¥þ¥@¬É210Ó°ê®a¡C»s³y°Ó¥i¥H§Q¥ÎTI TCI6487´£¨Ñ°ª®Ä¯à¡B§C¦¨¥»ªº°ò¦³]¬I¸Ñ¨M¤è®×µ¹³oÓ¥«³õ¡ATCI6487³Ì¦h¯à¥H³æÁû´¹¤ù¤ä´©10²ÕEDGE¸üªi°T¸¹¡C°£¤F¤ä´©¦h¨Ï¥ÎªÌ¥~¡A³o´Ú¦h®Ö¤ßDSPÁÙ´£¨Ñ§ó±j¤jªº¥\¯àµ¹GSMÀ³¥Î¡A¥]¬A°ª¸ê®Æ³t²vÀ³¥Î©Ò»Ýªº§ó¨Î±µ¦¬»P¤zÂZ®ø°£¯à¤O¡C³o®M¼u©Ê©M³nÅé¥i¤É¯Åªº¸Ñ¨M¤è®×¯à°§C°ò¦³]¬IÁ`¦¨¥»¡A¨ó§UªA°È¨ÑÀ³°Ó¦b¦L«×¡B«X°ê¡B«D¬w©M«n¬üµ¥·s¿³¥«³õ³¡¸p°òÀW§Þ³N¡C
TCI6487¤w°w¹ïTD-SCDMA°ò¦³]¬I³]p³Ì¨Î¤Æ¡CTD-SCDMA¬O¤¤°ê¤j³°¦Û¦æµo®iªºµL½u¶Ç¿é¬É±¡A²{³B©ó°Ó·~À³¥Î«eªº¸ÕÅç¶¥¬q¡A¹wp2008¦~¥_¨Ê¶ø¹B«e´N·|¼sªx³¡¸p¡A¦]¦¹»Ýn¤@®M¯à¥ß§Yº¡¨¬³oÓÃe¤j¤â¾÷¥«³õ»Ý¨Dªº¸Ñ¨M¤è®×¡C³o´Ú3GHz°òÀW³æ´¹¤ù³Ì¦hÅý¨C¥x¸Ë¸m¤ä´©3²Õ¸üªi°T¸¹©M72¦ì¥Î¤á¡C
TI¥H¨äWiMAX»â¥ýÀu¶Õµo®i¥XÀu²§ªºTCI6487¸Ñ¨M¤è®×¡A¥i¦P®Éº¡¨¬¤µ¤éOFDMA©M¥¼¨ÓLTEªº¿W¯S»Ý¨D¡C³o´Ú³æ´¹¤ùDSP¸Ñ¨M¤è®×ÁÙ¯à·f°tTI³Ì¨Î¤Æ³nÅéµ{¦¡®w¡B§¹¾ãªºÃþ¤ñ«eºÝ©M¨ó¤O¼t°Óªº«n²£«~¡C±q²{¦b°_¡ATIªºWiMAX«È¤á¤£¶È¯à¨³³t±À¥X²Å¦X·í«e»Ý¨Dªº¥ý¶i²£«~¡AÁÙ¥iÁY¤pÅé¿nº¡¨¬¥¼¨Ó§óºë¥©ªº²£«~»Ý¨D¡C³]p¤Hû«Ü®e©ö´N¯à¹ê§@§¹¾ãªº10MHz¡BÂù¤Ñ½u¡B¤T®°°Ï (3-sector) ¸Ñ¨M¤è®×¡A¤j´T°§C²£«~ªºÁ`¦¨¥»©M¨CÓ³q¹Dªº¯Ó¹q¶q¡C
TIªí¥Ü¡AÀHµÛ¥«³õ¤£Â_ºt¶i¡A°ò¦³]¬I»Ý¨D¤]·|§ïÅÜ¥H¤ä´©·sªº¥\¯à»PªA°È¡A¼u©Ê«K¦¨¬°°ò¦³]¬I³]pªº«nÃöÁä¡CTIÁA¸ÑµL½u²£·~¥¼¨Ó´X¦~¥i¯à¥X²{¥t¤@¦¸¨å½dÂಾ¡A¦]¦¹¥²¶·´£¨Ñ¤@®M³Ì²z·Qªº¸Ñ¨M¤è®×µ¹«È¤á¡A¤£¶È¼u©Ênº¡¨¬¤µ¤é²£·~ªº¦UºØ»Ý¨D¡A®Ä¯à¤]¶·¨¬¥HÀ³¥IµL½u°ò¦³]¬I³]pªº¥¼¨Ó»Ýn¡C
°ª®Ä¯àDSP°òÀW¸Ñ¨M¤è®×
TIªºTCI6487®Ä¯à¬°²{¦³°ò¦³]¬I¸Ñ¨M¤è®×ªº¤T¿¡AÁÙ¥i¨ó§UOEM¼t°Ó´£°ª³q¹D±K«×»P¼u©Ê¨Ã´î¤Ö³]p½ÆÂø©Ê¡C³o´ÚDSP±Ä¥Î65©`¦Ì»sµ{¡A¬OTI TMS320C64x+ DSP¨t¦C³Ì±j¤jªº³B²z¾¹¡C¥i¨ó§U¹q«H¼t°Ó¨³³t³¡¸p¥ý¶iºô¸ô¡A¦P®É½T«O§ë¸êÀò±o¥¼¨Ó«O»Ù¡C·s¤¸¥óÁÙ¥i³z¹L³nÅé§ï¨}´£¤É®Ä¯à¡AÅýªA°È¨ÑÀ³°Ó¤ä´©LTE¡B3GPP©M3GPP+µ¥·s¼Ð·Ç¥H¤Î¼W¥[·s¥\¯à»PªA°È¨ì¥L̪ººô¸ô¡A¥Î¤á¤]¯à¨É¨üµL½u·~¬É´£¨Ñ³Ì·s©M³Ì¦nªºªA°È»P¥\¯à¡C
TI´£¨Ñ·~¬ÉºØÃþ³ÌÂ×´IªºµL½u°ò¦³]¬I²£«~½u¡A¥]¬A§¹¾ãªº°T¸¹Ãì¦b¤º¡C¨ä¥¦¤ä´©¥ÎªºÃþ¤ñ²£«~¥]¬A¼Æ¦ì¤ÉÀW/°ÀWÂà´«¡B°ª³t¸ê®ÆÂà´«¾¹¡B®gÀW²£«~¡B®É§Ç¡BIªO¬É±©M¼Ð·ÇÅ޿褸¥ó¡CTI¦P®Éµo®i¥X¤@®MÅTÀ³³t«×¶W§Ö¥B®Ä¯à±j¤jªº«D¹jÂ÷¦¡ª½¬y¹q·½Âà´«¼Ò²ÕPTH08T240F¡A¥R¥÷ÃÒ©úTI¦b¹q·½ºÞ²zªº»â¾É¦a¦ì¡CPTH08T240F¬O²Ä¤@´Ú²Å¦XTCI6487®Ö¤ß¹qÀ£¼e®e«×n¨Dªº¹q·½ºÞ²z¤¸¥ó¡C
¨ÑÀ³®Éµ{
TCI6487¤w¦³¼Ë«~¤¸¥ó¨ÑÀ³µ¹¥Ø¼Ð«È¤á¡C |
| |
 |
| |
| |
|
|
| |
| |
|
|
|
| |
|
|
|
|
|
|
|
|
|
|
| |
|
|
| |
|
|
|
|
|
|