WCDMA系统提出了单码和多码两种多速率传输方案。
Single code and multiple code transmission schemes which can provide variable rate services are presented in a WCDMA system.
过去5年来，传输速率增加了一倍多，因而电子数据可以更流畅地传送。
In the past five years, transmission speeds have more than doubled, so that electronic data can flow easily.
与传统的单载波调制方式相比，OFDM技术可以有效地抵抗信道多径干扰，提高系统的传输速率。
Compared with the traditional scheme of single-carrier modulation, OFDM technology has more effective anti-jamming ability and achieves higher transmission rate.
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