This thesis places emphasis on one of the key techniques of smart antenna - adaptive digital beam forming (DBF) algorithm and its applications in the DS-CDMA mobile telecommunications systems.

本文重点研究智能天线系统的关键技术之一——自适应数字波束形成(DBF)算法在DS - CD MA移动通信系统中的应用。

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The latest generation of the digital trunked system TETRA, which is defined by the European Telecommunications Standards Institute (ETSI), is one of the most advanced mobile communication systems.

ETSI发布的欧洲新一代全数字集群系统TETRA是当今最先进的移动通信系统之一。

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The break-up consideration due to Deutsche Telekom under the terminated Stock Purchase Agreement also included significant Advanced Wireless Services ("AWS") spectrum and a long term agreement on Universal Mobile Telecommunications Systems ("UMTS") roaming within the USA. T-Mobile USA incurred transaction-related costs in 2011 that primarily reflect incremental personnel costs as a result of the formerly proposed deal.

ENGADGET: T-Mobile lost more customers in Q4, will launch LTE in 2013 with AWS spectrum from AT&T

Besides its main operations, which provide billing and other software to mobile telecommunications companies, Comverse owns 57% of Verint Systems, which provides network security services.

FORBES: Magazine Article

Besides its main operations, which provide billing and other software to mobile telecommunications companies, Comverse owns 57% of Verint Systems (other-otc: VRNT - news - people ), which provides network security services.

FORBES: Comverse Parts Seem Worth More Than Whole