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PN Canceller´Â W-CDMA ¹æ½ÄÀÇ ¹«¼±À̵¿Åë½Å ȯ°æ¿¡¼ ±âÁö±¹°ú ´Ü¸»±¹ °£ÀÇ ¹«¼± ÀÎÅÍÆäÀ̽º »çÀÌ¿¡ À§Ä¡ÇÏ°í ÀÖ´Â ¹«¼±Áß°è½Ã½ºÅÛÀ» ÅëÇØ ¹«¼±±¸°£ ½ÅÈ£ ¹× ¸µÅ© Ç°ÁúÀ» °³¼±ÇÏ°í ÁÖÆļö¸¦ È¿À²ÀûÀ¸·Î »ç¿ëÇÏ¸ç ±âÁö±¹°ú ´Ü¸»±¹ ¸ðµÎÀÇ ÀÚ¿øÀ» È¿À²ÀûÀ¸·Î »ç¿ëÇϱâ À§ÇÑ ÀåºñÀÔ´Ï´Ù.
ÁÖ¿ä Ư¡À¸·Î´Â ´Ù¼öÀÇ ±âÁö±¹µé·ÎºÎÅÍ ¼ö½ÅµÇ´Â ½ÅÈ£¸¦ ´Ü¼øÈ÷ ÁõÆø¸¸ ÇÏÁö ¾Ê°í °¢ ±âÁö±¹ÀÇ PN Äڵ带 ½Äº°ÇÏ¿© ¿øÄ¡ ¾Ê´Â ±âÁö±¹ÀÇ ½ÅÈ£¿¡ ´ëÇؼ± ±âÁö±¹ ½Äº°À» À§ÇÑ ÇÙ½É ½ÅÈ£ÀÎ Pilot ½ÅÈ£¸¦ Á¦°ÅÇÏ´Â °ÍÀÔ´Ï´Ù.
< PNC Áß°è±âÀÇ °³³ä >
- Digital IF
- ¾ÈÅ׳ª·Î ¼ö½ÅµÇ´Â ¹«¼± ¾Æ³¯·Î±× ½ÅÈ£¸¦ I/Q ä³ÎÀ» ºÐ¸®, µðÁöÅÐ ½ÅÈ£·Î º¯È¯
- Cell Searching
- Slot Synchronization : P-SCH Ž»ö
- Frame Synchronization : S-SCH Ž»ö
- CPICH Searching : ÇØ´ç±âÁö±¹ CPICH Ž»ö
- Tracking : ¼ö½Å Pilot ½Ã°£ µ¿±â ÃßÀû
- Channel Estimation : ¼ö½Å Pilot À̵æ ÃßÁ¤
- CPICH PN ID Generation
- °¡»óÀÇ »ó´ëÀû PN ¸®½ºÆ® »ý¼º
- ¼ö½Å pilot ºÐ¼®
- CPICH PN Generation
- ±âÁö±¹ PN »ý¼º
- Pulse Shaping
- ±âÁö±¹ Pilot ½ÅÈ£ »ý¼º
- Cancellation Ratio ¹× À̵æ Á¶Àý
- AFC (Automatic Frequency Control)
- ±âÁö±¹°ú Áß°è±âÀÇ Å¸ÀÌ¹Ö µ¿±â¸¦ ¸ÂÃã
- Áß°èÁö¿ª ´Ü¸»±âÀÇ ¹«¼±½ÅÈ£ ¼ö½Å ¼º´É Áõ°¡
- RF Áß°è
- WCDMA ¸ÁÀÇ Node-B¿Í UE °£ ½ÅÈ£ Áß°è
NO | ITEM | Specification |
---|---|---|
1 | Frequency Range | 2,150MHz ~ 2,170MHz |
2 | Maximum System Gain | 70dB ¡¾ 2dB (40~70dB) |
3 | Frequency Stability | ¡¾227Hz |
4 | Maximum Output Power | +10dBm / total (+20% ~ -50%) |
5 | Maximum Input Power | -35dBm/Total ¡¾ 2dB |
6 | Error Vector Magnitude | 12.5 % (@ Maximum Power) ÀÌÇÏ |
7 | Peak Code Domain Error | -35 dB (SF=256) ÀÌÇÏ |
8 | System Group Delay | 8us À̳» |
9 | ¼ö¿ë FA | 4 FA |
10 | PN »èÁ¦ ´É·Â | 20dB ÀÌ»ó |
11 | PN »èÁ¦ °³¼ö(multi-path Æ÷ÇÔ) | 4PN/1FA |
12 | PN ¼±Åà ±â´É | ÀÚµ¿/¼öµ¿ |
13 | PN ¼±Åà ±âÁØ | RSCP ±âÁØ |