3g和宽带无线通信系统及部件的关键要求。
The key of 3g and broadband wireless communication system and component requirements.
本文介绍了一种宽带无线通信系统(BWCS)。
This paper introduces a broadband wireless communication system (BWCS).
提供了一种在宽带无线通信系统中压缩首标的发送装置和方法。
A transmission apparatus and method for compressing headers in a broadband wireless communication system are provided.
提出了一种适用于宽带无线通信系统的上行无线带宽资源分配方案。
A new uplink bandwidth resource allocation scheme in broadband systems is proposed.
因此MIMO技术与OFDM技术的结合已经成为宽带无线通信系统的重要技术。
Therefore, the combination of MIMO and OFDM has been the important technique of wideband wireless communication system.
所以设计的跳时序列的相关性能优劣会直接影响到整个超宽带无线通信系统的好坏。
Therefore, the time-hopping sequences 'properties of the pros and cons directly affect the entire ultra-wideband wireless communication systems.
基于频率不变思想，提出一种适用于宽带无线通信系统下的，新的宽带自适应天线阵列。
Based on the idea of frequency invariant, a wideband adaptive antenna array is proposed for wideband wireless communication system.
在未来的宽带无线通信系统中，存在着两个严峻的挑战：无线信道的多径衰落和频谱效率。
There are two serious challenges in the future broadband wireless communication systems: multi-path fading in the wireless channel and spectral efficiency.
作为宽带无线通信系统的代表，802.16E系统采用了OFDM技术作为其物理层基础。
The 802.16e standard, representative of broadBand wireless system, chooses OFDM as its PHY layer framework.
全文的内容安排如下：首先在第一章针对研究背景作了详细的介绍，简单介绍了宽带无线通信系统和跨层优化的概念。
The thesis is arranged as follow:First chapter introduces the research background and the concept of Broadband Wireless Communication System and Cross-layer Optimization.
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.
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。
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.
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.
超宽带系统由于其低功耗、低截获率和抗多径衰落效益好等特点，特别适合应用在短距离无线通信领域中。
The UWB system specially applies in short distance wireless communication because of its characteristics such as lower power and anti-multi-path decline ability.
频谱共存及兼容是超宽带(uwb)无线通信系统必须考虑的重要问题。
Coexistence and compatibility was an important issue needed to be considered in ultra-wideband (UWB) impulse radio communications.
在宽带无线通信中，多径引起的符号间干扰严重影响了通信系统的性能。
In broadband wireless communication, ISI caused by multi-path affect the performance of the communication system seriously.
与基带uwb无线电相比，多带OFDM超宽带系统在短距离无线通信中得到了广泛的认可。
Compared to baseband UWB radios, the MultiBand OFDM ultra-wide band system has obtained widespread approval in short-range wireless links.
随着新型器件的出现和加工工艺的进步，各种无线通信和电子对抗系统都在向宽带化发展。
With the development of the IC devices and fabrication technology, more and more systems become broad band systems, such as the wireless communications and the electronic countermeasures.
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.
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.
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