常見例句雙語例句An ALOHA multi-address method of upstream channel in HFC network is proposed based on multiple code CDMA.提出了一種基於多碼分組CDMA的HFC網(wǎng)絡上行信道ALOHA多址接入方式。In the absence of the base station, the phone will be free to choose one of the upstream channel signal launch codes.在沒有基站的情況下，手機將自主選擇一個空閑的上行信道發(fā)射明碼信號。To counter the presence of a large amount of noise and interference in HFC upstream channel, this paper focus on a S-CDMA(Synchronous Code Division Multiple Access)based upstream transport scheme.本文針對HFC網(wǎng)絡上行信道的噪聲和乾擾特性，論述一種基於S- CDMA（同步碼分多址）技術的上行信道傳輸方案。 返回 upstream channel