没有通信硬件，用户就无法把数据和信息传送给其他的计算机系统。
Without communications hardware, users would not be able to transmit data and information to other computer systems.
这种通信软件被称为MoVer，可作为一个无线电电子邮件平台，允许用户通过无线电系统发送和接收电子邮件，以安全的方式传输信息。
The software suite, known as MoVer, serves as a radio E-mail platform that allows users to send and receive E-mail messages via radio systems transmissions in a secure manner.
通常在CD MA移动通信系统中，接收端的接收信号由多个用户的有用信息和信道噪声组成。
Generally, in CDMA mobile communication system, the sink's receiving signals are composed of multi-user's useful information and channel noise.
详细论述了系统的软件设计与实现，为大容量信息播发和移动用户通信提供了有效手段。
The system provides a valid measure for huge capacity broadcast and mobile user communication education.
本发明系统包括：个性化信息数据库、用户数据库、调度服务器、移动多媒体广播网服务器和移动通信网服务器。
The invention system comprises personal information database, user database, dispatch servo, mobile multi-media broadcast servo and mobile communication servo.
本文以基于OFDM技术的第四代移动通信系统为背景，在多用户信息论的指导下，研究系统中的资源优化分配问题。
In this dissertation, under the guidance of multiuser information theory, the resource optimization techniques in both OFDM systems and cooperative communication systems are intensively studied.
本文以基于OFDM技术的第四代移动通信系统为背景，在多用户信息论的指导下，研究系统中的资源优化分配问题。
In this dissertation, under the guidance of multiuser information theory, the resource optimization techniques in both OFDM systems and cooperative communication systems are intensively studied.
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