因此，OFDM已成为未来高速无线通信系统4G的支撑技术。
Therefore, OFDM has been a support technique in the 4G wideband wireless communication systems.
因此，非线性信道的均衡技术就成为高速无线通信领域的一个研究热点。
So, the research on the nonlinear channel equalization is now a hot spot in the high-rated wireless communication area.
在4g高速无线通信中，自动请求重传(ARQ)技术是无线通信中数据链路层所不可缺少的。
In 4g communication system, Automatic Repeat reQuest (ARQ) technology is necessary to support multiple mobile terminal to communicating in Shared wireless channel.
超宽带是高速无线通信的新技术，然而其较大的带宽会落入GPS频带范围内，造成对GPS信号的干扰。
Ultrawideband is a new technology in high speed wireless communication, but the band′s width will fall into the frequence range of GPS, cause interference to GPS signal.
近几年来超宽带技术已成为无线通信领域最热门的研究课题之一，同时也成为短距离高速无线通信协议标准争论的焦点。
Recentlly UWB technology has become one of the hot points of research on wireless communication, and the controversy focus on the standard of the protocol of short-range wireless communication.
高数据传输速率以及终端的高速移动，导致无线通信信道具有时间选择性与频率选择性两个特征。
High data transmission rates and high mobility give rise to time - and frequency - selectivity in wireless communication channels.
利用配置多个天线实现高速可靠的通信是当今无线通信领域研究的热点之一。
One highlight of current wireless communication area is to use multiple antennas to achieve high speed and robust transmission.
红外无线数字通信技术与其它无线通信方式相比有宽带、高速、安全性高等特点。
Compared with other wireless communication technologies, it features wide bandwidth, high speed and security.
正交频分复用(OFDM)技术已经广泛应用于各种高速宽带无线通信系统中。
OFDM technology has been used in various high speed wide bandwidth wireless system.
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 combination of the advantages of VMIMO and OFDMA technique is suitable for the high data rate transmission for the next wireless communication systems.
下一代移动无线通信系统的目标是实现无所不在的、高质量的、高速率的移动多媒体传输。
The next-generation wireless personal communication systems are expected to provide ubiquitous, high-quality, and high-rate mobile multimedia transmission.
针对宽带无线通信系统对高可靠性和高速率数据传输的要求，本文介绍了一种基于LDPC码的MIMO - OFDM宽带无线通信系统模型。
Aiming at the requirement for reliability and very high data rate transmission for broadband wireless communication, a LDPC coded MIMO-OFDM system model was proposed.
码间干扰被认为是在移动无线通信信道中传输高速率数据时的主要障碍。
Inter symbol interference is regard of transporting the high rate data main obstacle in the wireless mobile channel.
下一代移动无线通信系统的目标是实现无所不在的、高质量的、高速率的宽带多媒体通信。
The next generation wireless mobile communication system is expected to provide ubiquitous, high-quality, and high-rate mobile multimedia transmission.
该技术催生了许多先进通信技术，被认为是解决未来无线通信网络高速流量瓶颈的强有力竞争者。
The technology figures prominently on the list of recent technical advances with a chance of resolving the bottleneck of traffic capacity in future high speed wireless networks.
新一代无线通信系统要求大容量、高速率、综合业务、适用于各种环境。
The new generation communication systems are required to support high capacity, high data rate and integrated services.
未来的无线通信系统将要实现高质量、高速率的多媒体传输。
Future communication system will achieve multimedia transmission with high quality and high speed.
为实现高速无线数据传输，MIMO技术作为一种有效的手段得到了广泛的研究，并被新一代无线通信系统所采用。
As an effective way to achieve high data rates, MIMO technique has been widely studied and employed in new-generation of wireless communications systems.
在网络向着高速化、宽带化、泛在化发展的过程中，出现了多种多样的无线通信系统，给网络带来了丰富的异构性。
With the development towards high speed, wideband and ubiquity, various wireless access technologies are emerging, which brings heterogeneity to wireless communications systems.
第四代无线通信中，多媒体移动服务需要高速率的传输机制。
Multimedia mobile services afforded in the 4th generation wireless communication require high bit-rate transmission technology.
未来无线通信系统的目标是实现随时无缝的高质量、高速率的多媒体和数据业务传输。
The future wireless mobile communication systems are expected to provide ubiquitous, high-quality, and high-rate mobile multimedia transmission.
通过对锁相环原理进行深入的分析和研究，本论文针对CD MA无线通信标准，设计出了高速低功耗三阶电流型电荷泵锁相环。
In this thesis, a high-speed, low-power and third-order current-mode charge-pump PLL is designed according to the CDMA standard by in-depth analyzing and researching the principle of PLL.
通过对锁相环原理进行深入的分析和研究，本论文针对CD MA无线通信标准，设计出了高速低功耗三阶电流型电荷泵锁相环。
In this thesis, a high-speed, low-power and third-order current-mode charge-pump PLL is designed according to the CDMA standard by in-depth analyzing and researching the principle of PLL.
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