Typical application is cellular mobile communication systems.
典型的是蜂窝移动通信系统。
Power control technique is a key technique of CDMA mobile communication systems.
功率控制技术是CD MA移动通信系统的关键技术之一。
The invention is also applicable to WCDMA and other mobile communication systems.
本发明也适用WCDMA等其它移动通信系统。
The inter-cell interference is an inherent problem in cellular mobile communication systems.
小区间干扰是蜂窝移动通信系统中的一个固有问题。
Two kinds of vehicle synchronous orbiting satellite mobile communication systems are introduced.
介绍国内两种车载同步轨道卫星移动通信系统。
Heterogeneous network is one of the characteristics of next-generation mobile communication systems.
下一代移动通信系统的特征之一是异构网络的融合。
The co-channel interference is the primary interference factor among the mobile communication systems.
同频道干扰是移动通信系统间的主要干扰因素。
The third-generation mobile communication systems (3g) can provide a variety of more colorful business.
第三代移动通信系统(3G)可以提供各种各样的更为丰富多彩的业务。
Therefore, speech enhancement algorithm research on mobile communication systems is great significance.
因此，语音增强算法的研究对移动通信系统具有重要的意义。
Providing positioning service for mobile users is a basic function in future mobile communication systems.
为移动用户提供定位业务是今后移动通信系统必备的基本功能。
At present, ZTE ZXC10 has successfully been applied into the overseas business mobile communication systems.
目前，中兴通讯ZXC10设备已经成功应用于海外各商用系统之中。
However, for the wireless mobile communication systems, the radio channel is frequency selective and time-varying.
对于无线通信系统，无线信道不仅是频率选择性的，而且是时变的。
This paper mainly analyzes three user detection approaches in digital cellular mobile communication systems based on CDMA.
着重分析了在码分多址（CDMA）数字蜂窝移动通信系统中的三种用户检测技术。
The distributed power controls are practically significant technologies applied in the practical mobile communication systems.
分布式功率控制技术是移动通信系统中具有实用意义的功率控制技术。
TDD technology is more and more regarded lately, but few of mobile communication systems based on TDD double mode are applied.
TDD技术近年来在国际上受到越来越多的重视，但是基于TDD方式的数字对讲机在国内目前的应用中还很少。
The future wireless mobile communication systems are expected to provide high-rate, high-quality and efficient data transmission.
未来无线移动通信系统对数据传输速率、通信可靠性及有效性提出了更高的要求。
So the two technologies become key ones for high data rate, performance and capaticity in 3G mobile communication systems and beyond.
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。
The next-generation mobile communication systems are expected to provide wideband transmission for mobiles and support multiple services.
下一代移动通信系统需要实现宽带传输，并能支持多种业务。
RF section is the design bottleneck of the mobile communication systems and designer of RF ICs is becoming one of the hottest occupations now.
射频电路已成为移动通信系统的设计瓶颈，现在射频集成电路设计师也已成为热门职业之一。
The first Generation of cellular mobile communication systems contained few if any security measures to protect the system operator and users.
第一代蜂窝移动通信系统几乎没有采用任何安全机制来保护运营商和用户。
The future wireless mobile communication systems are expected to provide ubiquitous, high-quality, and high-rate mobile multimedia transmission.
未来无线通信系统的目标是实现随时无缝的高质量、高速率的多媒体和数据业务传输。
One of the main problems faced by future mobile communication systems is the rapid increase in the demand for wideband services and applications.
下一代无线通信所要面对的一个主要问题就是：对于宽带服务和应用迅速增长的需求。
The first generation of mobile communication systems (1g) was analog cellular system for mobile communication standard with the main voice services.
第一代移动通信系统(1g)是模拟制式的蜂窝移动通信系统，主要提供话音服务。
The fourth generation of the mobile communication systems are characterized by the heterogeneous access networks and IP-based transport technologies.
第四代移动通讯系统的特点是：多种接入网络和基于IP的传输技术。
Code division multiple access (CDMA) has received a great deal of attention asan access method for the third-generation mobile communication systems.
码分多址（CDMA）技术作为第三代移动通信系统的主要接入方式，受到了人们的密切关注。
A mobile communication systems robustness in case of a location-database failure is improved without the need for periodic location update operations.
无需终端的周期性位置更新操作，即可使移动通信系统获得对位置数据库的容错能力。
Multi-Code technique is widely used in the third generation mobile communication systems, and flexibly provides high-rate packet data services for users.
多码道技术广泛地应用于第三代移动通信系统，灵活地为用户提供高速分组数据业务。
In 3g mobile communication systems, main services are multimedia data services, of which the traffic is seriously asymmetric between uplink and downlink.
在3g移动通信系统中，主要业务是上下行速率严重不对称的多媒体数据业务。
In a type of mobile communication systems, data transmits through two notes, GSN and PCU. Some delays and interruptions occur because of the wireless link.
在一类移动通信系统中，信息传输过程中经过GSN和PCU两个节点，由于无线链路的不稳定，产生了延时和断健。
In a type of mobile communication systems, data transmits through two notes, GSN and PCU. Some delays and interruptions occur because of the wireless link.
在一类移动通信系统中，信息传输过程中经过GSN和PCU两个节点，由于无线链路的不稳定，产生了延时和断健。
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