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美国《Telecommunications》杂志近日评出了电信业1999年十大最热门的技术,主要表现在无线通信、话音网与数据网的融合、接入与速率等几方面。 1.业务调停 为向不同网络上的用户提供业务而进行的不同服务语言之间的翻译(即信令协议)称为业务调停。该项技术有助于丰富话音业务,允许业务提供者方便迅速地创建和增加新的话音服务特性。现已有几家新兴的公司(如TransMedia Communi-cations、Salix Technologies等)具备业 相似文献
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与2004年十大热门通信技术主要是运营商正在开发或试验的技术不同,2005年的十大热门技术是能够适应电信业向NGN过渡的技术,包括:空中升级(OTA)、铜线对捆绑(copper pair bonding)、IP多媒体子系统(IMS)、智能分界设备(intelligent demarks)、PWE3/Dry Martini、正交频分复用(OFDM)、会话初始化协议(SIP)、Web服务(Web service)、千兆以太网(GigE)和高速下行链路分组接入(HSDPA)。 相似文献
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与过去两年不同,2004年(Telecommunications)杂志评选出的十大热门通信技术主要抓住那些正在开发或试验中的技术,即运营商在今后一两年中将要使用的技术。这些热门技术包括:分组电缆多媒体、业务互通、电信级网络安全、远供DSLAM、WiFi/蜂窝漫游、无线网状网、托管VoIP、有源以太网、后台自动化和弹性分组环。其中,后台自动化和弹性分组环在以前也被评为过热门技术。 相似文献
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在当前全球电信业不景气的背景下,运营商主要将资金投放在能够延长现有设备寿命和能力的技术上,以最大程度地挖掘这些技术的潜力。帮助其走向下一代服务。介绍了2003年十大热门通信技术,包括:会晤边界控制器、Wi-Fi、虚拟专用LAN业务、ADSL2/ADSL2 、SONET上传数据、射频/光纤分配、库存管理、稀疏WDM、下一代移动交换中心、基于MPLS的TDM业务。 相似文献
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美国《Telecommunications》杂志每年都要评选十大热门通信技术,2002年的评选结果可能有点出乎人们的意料。因此,随着IT业的下滑,运营商们已经冷静下来,不再热衷于那些昙花一现或过分夸大的技术。所以,《Telecommunications》在评选2002年十大热门技术时比较注重现实并着眼于美国自身,在听取了许多著名分析家的意见后,有些再度焕发青春的老技术,如以太网技术等仍旧入选。2002年所评出的十大热门通信技术是:分布式数字交叉连接、数据库集成、缆上数据业务接口规范、多协议标记交换虚拟专用网、IP存储、空间/时间无线、第1英里以太网、综合光传送/交换、电信门户、增强型可观察时差。上述技术虽然是根据美国的需要和现实评出的,不一定完全适用于中国,但仍有一定的参考价值。 相似文献
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<正> 2001年的 LSSCC 会议的主题是“英特网时代、技术推动数字化”。往年的主题都是存储器、微处理器和其他数字化课题。而今天,RF、无线和光通信是热门。无线领域里增长最快的是蜂窝电话、无线 LAN 和“蓝牙(Bluetooth)”技术。RF 工作频率越来越高。光学和其他串行数据的数据率也持续升高。为此,出现采用 CMOS 的倾 相似文献
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《Circuits and Devices Magazine, IEEE》1999,15(3):28-30
The last 15 years have seen enormous changes in consumer electronics technologies, and a great expansion in the variety of devices available at relatively low cost. Entertainment, communication, and computing technologies have tended to merge, and almost everything is “going digital”. The last decade and a half has seen the rise of many important new technologies and the demise of many older ones. This article surveys some of the major events in the field since 1985 相似文献
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In past issues of this column there have been articles about European public co-funded research programs, funded by the European Commission (EC) and/or national governments [1-3]. Of all these programs, the one with the most relevance and impact, and the largest budget is EC Framework Programme 7 - Information and Communication Technologies (FP7-ICT). In this article we provide an overview of the main research trends in this program for the coming years. 相似文献
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《Communications Magazine, IEEE》1989,27(8):28-32
Lessons from the introduction of earlier technologies are discussed. The growth and decline of earlier technologies are examined, and an attempt is made to identify underlying patterns that contributed to success or failure. Some of the broader social patterns that accompanied their introduction are reviewed 相似文献
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Methods of displaying computer-generated graphic images are examined. Several alternative technologies are evaluated. Principles of operation are given for each of these advanced technologies. These color display technologies include screen cameras, film recorders, LCD projection devices, and RGB projectors. A brief survey of commercially available devices is presented 相似文献
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Display technologies for portable communication devices 总被引:7,自引:0,他引:7
Kimmel J. Hautanen J. Levola T. 《Proceedings of the IEEE. Institute of Electrical and Electronics Engineers》2002,90(4):581-590
Telecommunications networks are rapidly advancing toward adequate capacity to support multimedia content transmission between mobile terminals. This development opens opportunities for terminal manufacturers to realize functions on the devices that previously have been considered impractical. It is necessary for the terminals, however to exploit advances in new display technologies, such as reflective-color liquid-crystal displays, bistable displays, organic emissive displays, and microdisplays, to make use of the new functionality. The state of the art of mobile phone and personal digital assistant displays as well as some of the emerging technologies are reviewed based on their applicability in new uses in mobile terminals 相似文献