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SYNC_DL 扰 Midamble SYNC_UL
SYNC-DL MidAmble SYNC-UL SCRAmbliNg
midamble码 SYNC-UL SYNC-DL 扰码
a Scottish song which says good-bye to old friends a Scottish song that welcomes the coming of the new year a song sung by the Scottish people only a Scottish song remembering old friends and good times
SYNC-DL SYNC-UL SCRAmbliNg MidAmble
1个SYNC_DL码,4个SYNC_UL码,4个Midamble码和4个扰码 1个SYNC_DL码,4个SYNC_UL码,8个Midamble码和4个扰码 1个SYNC_DL码,8个SYNC_UL码,8个Midamble码和4个扰码 1个SYNC_DL码,8个SYNC_UL码,4个Midamble码和4个扰码
sync_rt_send sync_msg_send sync_rt_recv sync_rt_write
GP(32chip)+SYNC(64chip) GP(32chip)+SYNC(128chip) SYNC(64chip)+GP(32chip) SYNC(128chip)+GP(32chip)
随机接入的特征信号称为SYNC_UL,在上行导频时隙发射; 整个系统有256个不同的基本SYNC_UL,分成32组,每组8个; SYNC_UL码的长度为128chip; 与SYNC_UL有关的过程有上行同步的建立和初始波束成形测量;
对SYNC_DL不进行扩频 对SYNC_DL可进行波束赋形 对SYNC_DL不进行功率控制 对SYNCDL不进行加扰 SYNC_DL需进行小区全覆盖范围发射
a Scottish song which says good-bye to old friends a Scottish song that welcomes the coming of the new year a song sung by the Scottish people only a Scottish song remembering obi friends and good times
SYNC-DL SYNC-UL 扰码 Midamble码
GP(32chip)+SYNC(64chip) GP(32chip)+SYNC(128chip) SYNC(64chip)+GP(32chip) SYNC(128chip)+GP(32chip)
tastes sounds looks smells