高数据传输速率以及终端的高速移动，导致无线通信信道具有时间选择性与频率选择性两个特征。
High data transmission rates and high mobility give rise to time - and frequency - selectivity in wireless communication channels.
呼之欲出的第三代(3G)移动通信不仅能提供现有的各种移动电话业务，还能提供高速率的宽带视频业务，支持高质量的话音、分组数据业务以及实时的视频传输。
The incoming 3g could not only support the existing mobile operations, but also broad band video operations high quality voice packet data transmission and real time video communication.
码间干扰被认为是在移动无线通信信道中传输高速率数据时的主要障碍。
Inter symbol interference is regard of transporting the high rate data main obstacle in the wireless mobile channel.
下一代无线移动通信系统的目标是支持高质量高速率的移动多媒体业务。
The goal of next generation wireless mobile communication system is to support high quality, high speed mobile multimedia services.
下一代移动无线通信系统的目标是实现无所不在的、高质量的、高速率的宽带多媒体通信。
The next generation wireless mobile communication system is expected to provide ubiquitous, high-quality, and high-rate mobile multimedia transmission.
下一代移动无线通信系统的目标是实现无所不在的、高质量的、高速率的移动多媒体传输。
The next-generation wireless personal communication systems are expected to provide ubiquitous, high-quality, and high-rate mobile multimedia transmission.
未来移动通信系统中，高速率的数据传输决定了宽带传输的必要性。
In future mobile communication system, the high transmission rate determines the choice of wideband transmission.
第四代无线通信中，多媒体移动服务需要高速率的传输机制。
Multimedia mobile services afforded in the 4th generation wireless communication require high bit-rate transmission technology.
目前，这两种技术已经成为第三代以及未来移动通信系统实现高速率、高传输质量、高系统容量的关键技术之一。
So the two technologies become key ones for high data rate, performance and capaticity in 3G mobile communication systems and beyond.
随着第三代移动通信系统逐渐投入商用，移动用户对高质量高速率的移动多媒体业务提出更高的期待。
Along with the 3rd generation mobile communication system being gradually applied in business field, subscribers are in stronger expectation of high-speed high-performance mobile multimedia services.
随着第三代移动通信系统逐渐投入商用，移动用户对高质量高速率的移动多媒体业务提出更高的期待。
Along with the 3rd generation mobile communication system being gradually applied in business field, subscribers are in stronger expectation of high-speed high-performance mobile multimedia services.
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