原帖由 <i>haiying</i> 于 2010-12-18 20:34:40 发表 <a href="http://bbs.mscbsc.com/redirect.php?goto=findpost&pid=3131480&ptid=215629" target="_blank"><img src="http://bbs.mscbsc.com/images/common/back.gif" border="0" onload="if(this.width>screen.width*0.7) {this.resized=true; this.width=screen.width*0.7; this.alt='Click here to open new window\nCTRL+Mouse wheel to zoom in/out';}" onmouseover="if(this.width>screen.width*0.7) {this.resized=true; this.width=screen.width*0.7; this.style.cursor='hand'; this.alt='Click here to open new window\nCTRL+Mouse wheel to zoom in/out';}" onclick="if(!this.resized) {return true;} else {window.open(this.src);}" onmousewheel="return imgzoom(this);" alt="" /></a><br />
我想这个跟TD是差不多的吧，nodeB有检测窗来接收UE发送的UPPCH，这不难计算出UE需要发送PRACH的时间提前量吧