无线直放站ICS模块介绍.pdf

《无线直放站ICS模块介绍.pdf》由会员分享，可在线阅读，更多相关《无线直放站ICS模块介绍.pdf（8页珍藏版）》请在淘文阁 - 分享文档赚钱的网站上搜索。

1、?1?8?ICS?1?ICS?ICS?Interference Cancellation System?!#?$#%&(?)*+,-./01?23456789:;?(ABCDE?;FGHIJ?KL?4 ICS?56MN1OPQRSLT?89:;=?UT?VWX?YZ?T?MN?_a?bcdefgH01?ICS?KL?VW)?hifj?DPD?k*+hiA?lm?$*+no?56;pqlm?rlstqu)vifjVW?wx?Zy?z;r?k|vi?$rl23456?,-;x?)P?;?hVWrl?H?I?ICS?VW?X?VW?;?H2?ICS?1?-?;1?ICS?rWh“./89:?15dB

2、 Wv?VW?15dB Wvu)0T?89:fiflh?VW?;./W?u7T?;89:=23?X?MNgH2?ICS?rWh“P?qu”r56?Y?4?UmuP56;MNibcdeH3?ICS?rWh“PX?”r?;?u”r56?Y?4?Umu?)0Y?st?m?qH?2?ICS?;?3?ICS?1?ICS?J?A?U?ICS?;?“?J?fl?h“?2?8?2?ICS?;1?fl?-Y“?;ICS?-Y;?fl?7LP0;?FG?GSM/CDMA/WCDMA?P0;?CDMA800/1900?GSM900/1800?WCDMA2100?a?J?7J?Y?;?01?X?;PCB?Y?;?%4

3、?;?fl?VCO?J?fl?0;H2?:+“?;ICS?43x?vh?AD/DA?FPGA?vhi?)Yo?a?L(r;?n?H3?F?“?;ICS?Y?r?+?fl?)?a?;?h?4?;3x?,?(3!U?L?;n?FH4?./#$?“?;ICS?w%./#$V&25dB Wv?%./#$V&15dB Wv?();w%./#$?*|+?;?%./#$?,?-.;?H 5?/012|?3“?;ICS?4 FPGA;f5ki?67(&8?#?9:!i?-;FPGA+DSP;?;?.?,-=?12|?9:VW?vhi?;A?H 6?hiA?lm.0.9750dB./?x“0.9950dB./?

4、H?yzfv?UWX|lqZU_s?UWX?yzf?VWX|lqZ?_s?UWX?lqZ?_s?UWX?WXY?UWX Slq?_sWX?UWXY?UVWX Slq?_sUWX?UVWXYWX Slq?_sUUWX?WXY?v?WX Slq?U_sVWXhi!U?6yz?!#$%&?()*+,-.?)*/?012?)*3 456?78!9:vhi?l?g?vhi?l?U?U_?K?g?V?U?T?V?q?T?pq?Y?v?:qU?Y?ZU?5?8?5?GSM900 ICS?“GICS0930095408A?Svi“?VWXY?U?VWXTTTTTThi“?UVWXY?gVWX?V?hi?UTV

5、WXY?ZUTVWX?;?VWX S?o?./vi“ZU_uhi“ZU_./es?v?hi U_Y?U_ aVe?_ b&p?KS?c?_?defg_?h?dei_ jk?S?l_mm?Am?pAm?vi“q?_?uhi“U_?re+?lqZU_s?)ZU_./?q?_?de?h?tx?,?vil1?_?)?Yo?ZU_./qU_?h?tuhil?_?)?Yo?ZU_./q?_?h?tH?m2|:0.05ppm1u?us?8 400kHz?8.5us?8 600kHz?&#%:c?U_?./89:?_?V?eS?V?E?iv?x“V?eS?V?E?i3?H?us 1u?gUUWX“c?_u?Z

6、UUWX“cZ?_u?VWX“cvU_u?VWX“cU_SJCS8.5us 1u?gUUWX“cg?_u?ZUUWX“cZU_u?VWX“cZ?_u?VWX“cv?_?UUWXlq?_s?UWX?UUWXlqgU_s?UWX?gUUWXlqvU_s?UWX?ZUUWXlqv_s?UWX?q?VWXY?qZ?UVWXlqv_sUUWX?qZ?UVWXY?q?VWXlqv_s?UWX?VWXY?Z?UVWXlqv_s?UWX?Z?UVWXY?VWXlqv_sUUWX?WXYWX Slq?_sWXY?v?WX Slq?U_s?;?1 hi!U?6A?22?BC?DA?22?BE?DA?F?!#$%&

7、GHI?-?()*+,12?)*3 456?78!9:vhi?l?g?vhi?l?U?U_?K?g?V?6?8?U?T?V?q?T?pq?Y?v?:qU?Y?ZU?1“SJ!U?S?S?m?S?S?f?9kHzY100kHz/3kHz10kHz100kHzY50MHz/10kHz30kHz50MHzY500 MHz/100kHz100kHzx?0MHz10kHz30kHz?2MHz30kHz100kHz?5MHz100kHz300kHz?10MHz300kHz1MHz?20MHz1MHz3MHz500MHzWvBTSU?SMSU?SJ?30MHz3MHz3MHzx?7?8?6?ICS?U;IC

8、S?,?h“?1?GSM900?viBxCS ICS?u?2?GSM900?viBxCS ICS?u?3?CDMA800?ICS?u?4?CDMA800?ICS?uM)?U;ICS?,?h“?5?WCDMA ICS?u?6?CDMA2000/WCDMA ICS+DPD?u?7?CMMB ICS?u?8?CDMA2000/WCDMA ICS+viBxCS?u?9?CDMA2000/WCDMA ICS+DPD+viBxCS?u?10?CDMA2000/WCDMA DPD+viBxCS+CPRI?H7?ICS?1?“?E?H?MNE?X?Z o V?;“MNLn?flvVH?|?8?8?RS485?|“14GNDRS485-RS485+GND9V pq?|“14GNDGNDGND+9V+9V+9V?|“GNDTxDRxD?