Chapter 1 introduces the basic concepts of wireless communication systems.
第1章介绍了无线通信系统的基本概念。
In recent years, indoor wireless communication systems and practical applications have been a very active area of research.
近年来，室内无线通讯系统和实际应用成为研究的热门领域。
Space-time code indicates a new idea of providing high transmission rate in wireless communication systems and has recently received considerable attention.
空时码的提出为解决无线通信系统中的传输速率问题提供了一条新思路，目前已经成为通信研究的一个热点。
The key challenge faced by the next generation of wireless communication systems is how to provide transmission of data with high speed and quality of service.
如何提供高数据速率、高服务质量的数据传输是未来无线通信系统面临的关键性挑战。
In the present market of wireless communication systems the demand of portable terminals able to satisfy the requirements of different standards is growing rapidly.
在当今的无线通信市场中，对能支持多个标准的便携式通信终端的需求正迅速增长。
MIMO/OFDM is an effective architecture for future wireless communication systems.
MIMO／OFDM是未来宽带无线通信接口的有效架构。
The future wireless communication systems will be ranged from global satellite systems to personal area networks.
未来的无线通信系统大到覆盖全球的卫星网，小到个人域网。
MIMO has been widely used in many wireless communication systems like WLAN, Wimax and LTE due to its outstanding advantages.
由于MIMO系统多入多出的特点，传统的无线通信测试方法很难满足测试要求。
This thesis is concerned with the use of multiple antennas at the transmitter and receiver in wireless communication systems.
本论文即在探讨于无线通讯系统中，同时在传输端及接收端使用多根天线情况下的相关研究。
Power amplifiers are key components in wireless communication systems, whose linearity and efficiency are always the emphases.
功率放大器是无线通信系统中一个关键的组件，其线性度和效率一直是被关注的焦点。
Antenna is the most important component in wireless communication systems. Different antennas are required for different systems.
天线是无线通信系统中的重要组成部件，不同的系统对天线的需求也不一样。
Power amplifiers (PA) used in 3G wireless communication systems based on spread spectrum techniques must exhibit exceptional linearity.
而基于扩频技术的第三代无线通信系统中的功率放大器必须要有很好的线性性能。
A downlink power allocation scheme was developed to improve the spectral efficiency of distributed wireless communication systems (DWCS).
为了提高分布式无线通信系统(DWCS)的频谱效率，提出了一种下行功率分配算法。
Convolutional encoding is one of encoding methods commonly used in the deep space communication systems and the wireless communication systems.
卷积编码是深空通信系统和无线通信系统中常用的一种编码方式。
Antenna for wireless communication systems is an important component. Antenna performance has a direct impact of the communication system performance.
天线作为无线通信系统中的一个重要的组成部分，天线性能的好坏直接影响了通信系统的性能。
The combination of the advantages of VMIMO and OFDMA technique is suitable for the high data rate transmission for the next wireless communication systems.
将VMIMO和OFDMA技术的优势相结合，非常适合下一代无线通信系统对高速数据传输速率的要求。
The signal detection in MIMO wireless communication systems ("MIMO detection") is a key problem in MIMO system-related research that can never be bypassed.
MIMO无线通信系统中的信号检测（即“MIMO检测”），是MIMO系统研究中不可回避的关键技术问题。
Moreover, combined with digital baseband signal processing with FPGA, we could develop various wireless communication systems on a typical hardware platform.
再结合基于FPGA的基带数字信号处理，便可实现在相同的硬件平台上开发不同的无线通信系统。
This dissertation is concerned with channel estimation in both OFDM and MIMO-OFDM wireless communication systems and adaptive modulation in MIMO-OFDM systems.
本文研究了OFDM和MIMO-OFDM无线通信系统的信道估计技术以及MIMO-OFDM系统的自适应调制技术。
With an enormous advantage of achieving high system capacity, MIMO technique has been one of the widely used techniques in future wireless communication systems.
MIMO技术在提高无线通信系统容量和可靠性上具有的巨大优势，使其成为未来移动通信普遍采用的技术之一。
In wireless communication systems, comparing with traditional radio bands, optical bands has the advantage of high transmission capacity and interference resistance.
在无线通信系统中，光频段与微波以下的射频频段相比，具有传输容量大、不易受到干扰等特殊的优点。
UWB is an important technology for indoor high rate wireless communications and now it is looked as one of the key technologies for the next generation wireless communication systems.
在这样的背景下，超宽带(uwb)技术引起了人们的重视，已逐渐成为无线通信领域研究、开发的一个热点，并被视为下一代无线通信的关键技术之一。
In this paper, we investigate the Constrained Weighted Least Squares (CWLS) algorithms for Time Difference of Arrival (TDOA) based mobile user location in wireless communication systems.
本文主要对无线定位中基于TDOA的一种约束加权最小二乘算法进行了研究。
As one of the field coverage methods, leaky coaxial cables can be used not only in the wireless communication systems in tunnels, but also in to the indoor wireless communication systems.
作为一种场强覆盖手段，漏泄同轴电缆不但能够应用于隧道无线通信系统，而且近年来也被应用于室内无线通信系统。
With the theory getting more matured and completed, SDR technology has been widely used in cellular communication system as well as other civil and military wireless communication systems.
随着近年来软件无线电理论和应用趋于成熟与完善，软件无线电技术已经被越来越广泛地应用于蜂窝通信及各种军用和民用的无线通信系统中。
The terms broadband and seamless are the main keywords for future wireless communication systems and the mobility management is the most important problem in seamless roaming across systems.
未来无线通信网络的两个最重要的研究问题就是宽带和无缝漫游，而移动性管理是实现网络间无缝漫游的关键难题之一。
Most of the wireless communication systems are required to achieve least adjacent channel emissions and high bandwidth efficiency, that is to say signals must be transmitted in a limited band.
绝大多数无线通信系统都要求对相邻频段的用户产生最小的干扰，也就是必须在所规定的频段范围内传送信号。
In addition, there will be frequency selective fading in the future broadband MIMO wireless communication systems, and the traditional high-performance equalizer will become extremely complicated.
另外在未来宽带MIMO无线通信系统中，通常面临频率选择性衰落信道，传统高性能均衡器就会变得异常复杂。
Multiple Input Multiple Output (MIMO) is a key technology in the wireless communication systems of the new generation, as a result of its benefit for improving either the reliability or the speed.
多输入多输出（MIMO）技术是新一代无线通信系统的关键技术之一，它既可以增加传输的可靠性，也可以增加传输的速率。
Multiple Input Multiple Output (MIMO) is a key technology in the wireless communication systems of the new generation, as a result of its benefit for improving either the reliability or the speed.
多输入多输出（MIMO）技术是新一代无线通信系统的关键技术之一，它既可以增加传输的可靠性，也可以增加传输的速率。
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