无线移动通信

全IP无线移动通信网络中的切换技术

Technique of Handover for All-IP Wireless Mobile Communication Networks

基于OFDM的巷道和工作面无线移动通信研究

Study of Wireless Mobile Communication for Laneway and Face Based on OFDM

WAP（WirelessApplicationProtocol）是随着Internet和无线移动通信的发展而迅速发展起来的一种无线网络协议。

Wireless application protocol ( WAP ) is the wireless net protocol with developing internet and mobile communication .

OFDM蜂窝无线移动通信系统中的同步技术研究

Research on Synchronization in OFDM Cellular Radio Communication Systems

结合当今无线移动通信网络、IP网络、adhoc网络三者的优势，我们提出并设计了无线移动自组织互联网。

Nowadays , there are three main popular networks : Mobile Wireless Communication network , IP network , and Ad Hoc network .

adhoc网络是一种由带有收发装置的移动节点组成的临时性多跳自组织的无线移动通信网络。

Ad Hoc Networks is a kind of multi-hop wireless networks and a self-configuring network consisting of mobile endpoints equipped with sending mechanism .

自适应调制技术是无线移动通信系统中提高频带利用率（SE）的有效手段。

Adaptive modulation technique is an effective solution to the scarcity of spectral efficiency ( SE ) in mobile communication systems .

进入二十一世纪以来无线移动通信技术的飞速发展，而3G技术的发展更加引起了我们的关注。

Into the twenty-first century wireless mobile communication technology , rapid development , the development of 3G technology is more attracted our attention .

基于MIMO技术的时空编码技术是未来宽带无线移动通信中提高频谱效率改善系统性能的关键技术。

MIMO-based Space-Time coding techniques are the key technology for the future wireless mobile communications to increase frequency efficiency and improve performance of systems .

正交频分复用（OrthogonalFrequencydivisionMultiplexing，OFDM）技术在解决无线移动通信系统中显示了许多特点，如抗多路径衰落和频际间的干扰等。

Orthogonal Frequency Division Multiplexing ( OFDM ) is an effective transmission scheme to cope with many impairments , such as cochannel interference , serve multipath fading and impulsive parasitic noise .

LTE作为下一代的无线移动通信技术能够提供更高的带宽，更低的时延和更大的容量。

As the next-generation wireless mobile communication technology , LTE can provide higher bandwidth , lower latency and greater capacity .

无线移动通信中的智能天线技术&信号波达方向DOA估计研究雷达低空测向环境中的直达波DOA估计算法

Researching on the Smart Antenna Technology of the Wireless Mobile Communication ; Direct signal DOA estimation algorithm in radar low angle bearing environment

多输入多输出技术（MIMO，MultipleInputMultipleOutput）作为无线移动通信技术的重大突破，能够极大的提高系统的容量和频谱的利用率，受到了越来越多的关注。

MIMO technology ( MIMO , Multiple Input Multiple Output ) in wireless mobile communication technology as a major breakthrough , which greatly improves the system capacity and spectrum utilization , is increasingly concerned about .

二十一世纪，无线移动通信技术的发展可谓突飞猛进，特别是3G技术在全球范围内发展势头强劲。

In 21st century , the development of wireless mobile communication technology is rapidly ; especially the 3G technology in the context of global has strong momentum .

WCDMA作为第三代无线移动通信系统，有着非常广阔的应用前景。

As a 3rd wireless mobile communications system , WCDMA ( Wideband Code Division Multi Access ) has a widely utility in the future .

近年来，在无线移动通信和相控阵雷达中应用的微带天线和单片微波集成电路（MMIC）正在成为一个研究和开发的热点课题。

Micro strip antenna and MMIC which are used in wireless communication and phased array radar are becoming hotspot .

近年来，随着人们对多媒体业务和高速数据传输需求的不断增长，正交频分复用（OFDM）技术成为了无线移动通信领域研究的热点。

In recent years , with the great demand of multimedia services and high speed data transmission , the technology of OFDM research has been focused in the mobile communication field .

作为一种船舶监测系统，并隶属于无线移动通信网络范畴，AIS在内河中通信的可靠性直接决定了其应用前景，因此探讨内河中AIS的通信可靠性对保障船载航行安全具有重要的意义。

As a kind of Ship Monitoring System , which belongs to wireless mobile communication network , the reliability of communication determines the application of AIS .

本文主要研究了在高速移动信道条件下联合应用多输入多输出（MIMO）和正交频分复用（OFDM）的无线移动通信系统。

This paper mainly studies a wireless mobile communication system which combines multiple-input multiple-output ( MIMO ) with orthogonal frequency division multiplexing ( OFDM ) technology under the high speed mobile channel .

于是将空时编码技术和OFDM结合可以起到很好地互补作用。另外，在实际的无线移动通信系统中，多径衰落和各种干扰等问题是同时存在的。

It is a good way to combine STC with OFDM to solve this problem . Otherwise , various interference and multi-path fading exist in practical wireless communication systems at the same time .

adhoc网络是一种自组织、对等式、多跳无线移动通信系统，是未来无线网进行数据传输的主要理想手段之一。

Ad Hoc network is a kind of self-organized , peer to peer and multi-hop wireless mobile communication system and will be the one of ideal means for data transmission in wireless network in the future .

adhoc网络是无线移动通信系统的一种特殊形式，它可以在没有基础设施支持的情况下提供灵活方便的通信，这种技术极大拓宽了移动通信的应用领域。

Ad Hoc network is a special form of wireless communication system , and it can provide the flexible and convenient communication without an infrastructure support . This technology has greatly broadened the field of wireless communication applications .

MIMO-OFDM具有比单纯的OFDM、单纯的MIMO更高的系统容量，可以满足第四代无线移动通信对高数据速率、大系统容量的要求。

Thus , MIMO-OFDM has much higher system capacity than single OFDM or MIMO systems , thereby can satisfy the high data-rate and large system capacity requirements of the forth generation mobile communication .

由于手机等无线移动通信设备的普及，社会网络已经成为DTN网络研究的一个热点方向。

As mobile phones and other wireless mobile communication devices popular , social networking has become a hot DTN network research direction .

无源片上电感是RFIC中需求很高的器件，被广泛地应用在LNA、VCO、滤波器等模拟单元模块中，构成了无线移动通信电路的基础。

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 .

因此，将OFDM和MIMO两种技术相结合构成的MIMO-OFDM系统，成为了新一代无线移动通信系统最有前途的核心技术。

Therefore , the MIMO-OFDM system combined by OFDM and MIMO technically gives full play to their strengths and becomes the most promising core technology of a new generation of wireless mobile communication systems .

本文主要研究在现代无线移动通信系统中如何估计同时存在频率选择性和时间选择性衰落的信道，包括WCDMA上行链路，采用双天线空时发射分集的WCDMA下行链路和MIMO系统。

In this dissertation , the estimation algorithms of time-varying frequency selective channel in modern wireless communication systems including WCDMA uplink , WCDMA downlink with space time transmit diversity and MIMO system are investigated .

AVL系统由监控中心（BS）、若干车载移动台（MS）以及连接MS和BS的无线移动通信链路三部分组成。

The AVL is composed of three parts , the Monitor Center ( Base Station ), the individual cars ( Mobile Station ), and the radio link which communicate between the BS and the MS.

随着B3G以及4G高速无线移动通信的研究和应用，信号的调制技术也在不断地优化，由传统的单载波调制发展到多载波调制。

As B3G and 4G high-speed wireless mobile communications research and application , signal modulation techniques are optimized constantly and are developed from traditional single-carrier modulation to multi-carrier modulation .

AIS是一种船舶监测系统，并隶属于无线移动通信网络范畴，其网络性能是AIS的研究及应用中的一个关键问题。

AIS is a kind of ship surveillance system , belonging to the wireless mobile communication network category , and the network performance is a key problem in the research and application of AIS .