• 电信科学技术研究院无线移动通信国家重点实验室

    State Key Laboratory of Mobile Communication, Academy of Telecommunications Technology, Shanghai 200233, China;

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  • 设计了一个用于无线移动通信波束可调4缝隙天线

    Beam steerable 4_slots leaky wave antenna (LWA)array is presented for wireless communications.

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  • 无线移动通信系统中,信道衰落降低信号传输可靠性

    In wireless communication system, channel fading can decrease the reliability of communications.

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  • 然后讨论无线移动通信传播环境得到时变衰落信道特点

    Then it analyzes the wireless mobile communication propagation environment and gets the characters of timing varying fading channel.

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  • 发明公开了一种用于无线移动通信系统有限冲激响应数字滤波器

    The present invention discloses a limited impulse response digital filter for wireless mobile communication system.

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  • 下一代无线移动通信系统目标支持质量速率移动多媒体业务

    The goal of next generation wireless mobile communication system is to support high quality, high speed mobile multimedia services.

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  • 同时,也对无线移动通信网络环境播技术提出更多需要考虑因素

    At the same time, some factors which should be taken into account in multicast under wireless and mobile communication networks are put forward.

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  • 对于第三无线移动通信系统,直接序列码分多址一种主要接入技术。

    There is every indication that Direct-Sequence Code Division Multiple Access (DS-CDMA) will be one of the multiple access schemes for the third generation wireless mobile systems.

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  • 本文讨论新世纪初期固定有线通信无线移动通信两大类通信发展前景

    The paper attempts to describe the general outlook of fixed wired communication network and wireless mobile communication network at the start of 21 st century.

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  • 未来无线移动通信系统数据传输速率、通信可靠性有效性提出了更高要求

    The future wireless mobile communication systems are expected to provide high-rate, high-quality and efficient data transmission.

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  • 进入二十一世纪无线移动通信技术作为个人通信主要手段得到了迅猛发展。

    As the main means of personal communication, the wireless mobile communication technology is developed very fast after entering the 21-century.

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  • 对于无线移动通信系统来说,面临着系统带宽效率衰落信道等诸多问题挑战。

    The system bandwidth efficiency and the dispersive of wireless channel are the big challenges for the wireless mobile communication system.

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  • 随着网络技术无线移动通信技术日趋成熟,无线移动网络控制系统中的应用成为研究热点

    With the development and maturity of network and wireless communication technology, the study of wireless mobile network application in control systems is becoming a hotspot.

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  • MIMO技术无线移动通信领域智能天线技术重大突破能够成倍提高系统容量频谱利用率

    MIMO technology is the significant breakouts in smart antenna technology of wireless communication field, it can significantly improve system capacity and using rate of frequency.

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  • 实际矿井隧道许多弯曲段,实现矿井无线移动通信需要知道弯曲隧道电磁波传播特性

    There are many bends in mine tunnels, and it is necessary to know wave propagation characteristic in curved tunnels in order to realize wireless mobile communication of a whole mine.

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  • 由于对抗多衰落方面具有显著效果,它适合于在无线移动通信信道下使用,因而得到广泛的研究

    With this model, the blind multiuser detection and iterative algorithm of MC-CDMA systems based on subspace projection are studied in the multipath fading channel.

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  • 本文提高无线移动传输系统传输速率对抗多径角度,研究OFDM调制技术无线移动通信中的应用

    The thesis researches the application of OFDM modulating technology on mobile communication based on improving transfer effect in limited band broad and overcoming Multi_path fading.

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  • 无线移动通信中,接收机的本地振荡频率载波频率之间往往存在较大的频率偏差AFC用于克服此频偏。

    In wireless communication system, there is a large frequency bias between carrier frequency and local oscillating frequency. AFC is contributed to eliminate it.

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  • 超宽带无线移动通信控雷达微波毫米波传感、微波毫米波信号处理多个领域具有潜在应用前景。

    It has many potentional ampliations in ultra-bandwidth wireless mobile communication, array phase radar, sensors of microwave and millimeter-wave, microwave and millimeter-wave signal processing.

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  • 同时由于发明定位技术基于有线非连续移动通信,因此非常简单成本,避免了现有无线移动通信定位技术十分复杂不准确问题。

    Comparing with positioning technique in wireless mobile communication the invention possesses features of simple technique and low cost, easy and accurate positioning technique.

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  • 基于短信技术的电机转子温度在线监测系统无线调制解调器、全球移动通信网络以及无线移动通信模块构成数据通信物理平台

    The data communication platform of on - line rotator temperature monitoring system consists of wireless modem, public mobile communication network and wireless mobile communication modules.

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  • 无源片上电感是RF IC需求很高器件,被广泛地应用LNA、VCO滤波器模拟单元模块中,构成了无线移动通信电路基础

    On-chip passive inductors, basic elements of wireless mobile communication circuits, are highly required in RFIC and widely used in simulating unit modules such as LNA, VCO and filters.

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  • 距离通信技术需要一个安全无线数据传输方式移动支付对此的要求更为苛刻。

    Near Field Communication technology can provide a secure, wireless way to transfer data, and it could be critical for mobile payment.

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  • 移动电话通信通过一个称为基站固定天线网络发射无线电波

    Mobile phones communicate by transmitting radio waves through a network of fixed antennas called base stations.

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  • 移动运营商适时地加强他们网络技术准备推出下一代无线通信技术lte

    Mobile operators are duly beefing up their networks and preparing to roll out LTE, the next generation of wireless technology.

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  • 也许相信自己足够的实力供应商谈判或者无线通信运营者移动运营系统上达成一个协议

    It may believe itself strong enough to negotiate with each provider, or it may want a deal for its mobile operating system from wireless-telecoms operators.

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  • 的传送途径多种多样,可以内置无线移动电话通信卫星以及蓝牙

    Moreover, it can do this in multiple ways, with built-in Wi-Fi, mobile, satellite and Bluetooth communication links.

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  • Selex通信公司提供Tetra移动通信计划,以及HF卫星微波无线连接

    Selex communications will provide the Tetra mobile communications technology, as well as HF, satellite and microwave radio connections.

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  • 随着无线通信技术互联网技术飞速发展移动通信业务以前的语音业务为主逐渐数据业务扩展。

    With the rapid development of wireless communication technology and Internet technology, the primary service of mobile telecom is changing from voice service to data service.

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  • 成立3gpp2为了北美亚洲移动无线通信系统操作过渡第三代系统。

    3gpp2 was born to evolve North American and Asian Cellular Radio-telecommunication Intersystem Operations into a third-generation system.

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