第二,提高系统容量。
呼叫接纳控制是保证各级业务服务质量和提高系统容量利用率的关键技术。
Radio Admission Control is the key technology to ensure the quality of multi-class service and improve system capacity efficiency.
在扩频码设计中,通过构造零相关窗码可以消除MAI和ISI,从而提高系统容量。
In spreading code design, MAI and ISI are removed by constructing spreading codes with zero correlation window, which increases system capacity.
理论分析证明,虚拟小区可以降低用户发射功率,从而减少多用户干扰,提高系统容量。
The results show DVCN can reduce users' transmit power, decrease multi-user interference and improve the reverse link capacity.
在多径衰落信道CDMA系统中,扩频码设计与联合检测为提高系统容量的两个重要手段。
Spreading code design and joint detection are two efficient ways to increase CDMA system capacity in multi-path fading channels.
本文对照频分多址和时分多址系统的频谱效率,阐述了码分多址系统提高系统容量的几项关键技术。
The author has described several key techniques for improving the capacity of CDMA digital celullar system, comparing to the spectral efficiency of FDMA and TDMA cellular system.
为了提高系统容量和性能,人们对MIMO技术、OFDM技术以及自适应传输技术展开了广泛的研究。
To improve system capacity and performance, MIMO, OFDM and adaptive transmission technology are broadly researched.
它可以提高系统容量,可以满足人们对下一代无线通信系统高数据传输速率和高的用户移动速度的要求。
It enhances the capacity of the system and meets the request of the high speed of data transmission and user's movement for the next generation mobile communication.
在CDMA系统中,引入多用户检测、功率控制和天线阵列波束形成技术,可以有效地抑制干扰,提高系统容量。
The multiuser detection, power control and smart antenna technique can be used as power methods to suppress the interference, hence increasing the capacity of CDMA systems.
主要介绍了发射分集技术中用于抗信道衰落和提高系统容量的空时分组码和分层空时码的原理和基本特点,并对这些空时编码技术进行了性能分析。
To overcome the bad performance in combating fading of BLAST and low code rate of STBC, a layered structure STBC is introduced in this article by combining BLAST and STBC.
扩展存储系统的容量几乎不会影响客户机配置,同时还可以增加客户机的数量以提高计算能力。
The number of clients can be expanded to provide more computing power, while the size of the storage system can expand with little impact on client configuration.
美国联邦航空局优先考虑是减少系统内跑道入侵的风险,同时最大限度地提高运营效率,确保机场容量。
One of the FAA's top priorities is to reduce the risk of runway incursions in the system while maximizing operational efficiency and ensuring airport capacity.
通过集群配置,还可以添加额外的服务器,增加系统容量,进而提高可伸缩性。
Clustering improves scalability by enabling you to increase system capacity by adding extra servers.
多天线系统可以改进无线通信的容量,提高可靠性。
Multiple antenna system can improve the reliability and capacity of wireless communication.
合理的无功就地补偿和选择变压器容量可以降低损耗,提高系统运行的经济性,是电力需求侧管理的重要内容。
Rational planning of local reactive compensation and transformer capacity is very important for demand side management to reduce power losses and improve the economical power system operation.
软件天线技术能够在不改变信号带宽的情况下提高通信系统的容量,是一种很有前景的下一代通信技术。
Software antenna technology can increase capacity of wireless communication system greatly without extra bandwidth. Thus, it is a next generation wireless technology with bright prospect.
MIMO技术是无线移动通信领域智能天线技术的重大突破,能够成倍提高系统的容量和频谱利用率。
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.
地面基站天线倾斜是提高CDMA蜂窝系统容量和平衡小区负载的有效方法之一。
The tilted-antenna mechanism is an effective way to balance the traffic and improve the capacity of CDMA cellular system.
联合MAP多用户检测与信道解码的迭代多用户检测(MUD)技术可显著提高宽带移动CD MA系统的容量和性能。
The technique combining MAP-based multi-user detection (MUD) with channel decoding can greatly improve performance and capacity of broadband CDMA mobile communication systems.
利用多用户检测技术可以抑制多址干扰,从而提高CDMA系统的容量和性能。
Multi-user detection technique can cancel multi-access interference, so it can enhance the capacity and performance of CDMA system.
如何通过有效的规划设计,使得整个网络各个扇区载频的频点都能够满足要求,保证通话质量,提高系统承载容量是频率规划的核心内容。
The key problem in frequency planning is to ensure that frequency planning satisfies the need of the whole network, call quality, and improves the whole capacity through effective planning design.
该结构可利用现有存储器件在不增加时钟频率的情况下,提高存储器系统的容量和速度,同时降低成本。
The capacity and speed of the memory subsystem in this architecture can be improved using the existed memory devices while the cost can be downgraded without enhancement of the clock frequency.
提高蜂窝系统容量的关键和难点在于减小由频率复用产生的同频干扰。
The key and crux to improve capacity of a cellular system is to abate the Co-Channel Interference (CCI) derived from frequency reuse.
VBLAST可以有效提高多发射天线系统容量,而STBC则具有较高的分集增益,通过将两种方案结合起来组成一个新的系统。
The VBLAST can be used to exploit the capacity potential provided by multiple transmit antenna systems. The STBC has higher diversity gain.
最后证明了采用闭环发送分集方案,可以大大改善接收能干比,提高系统的前向容量。
Finally it is proved that the closed-loop transmission scheme can improve the receiving the energy and the interference ratio and increase the forward-link capacity of the system.
宽带增益平坦光放大器是密集波分复用光通信系统提高信息容量的基本需求。
Gain flattened wideband optical amplifiers are the basic devices which will meet a demand for the increase of the capacity of dense wavelength division multiplexing optical communication systems.
本文以IS- 95系统为例,分析了该系统在围绕提高容量方面所采用的几项关键技术,从中反映出了CD MA(码分多址)数字蜂窝系统的一些特点。
In this paper, we analyse some key technology for increasing the capacity in IS-95 CDMA sys-tem, which mirror some features of CDMA digital cellular systems.
介绍一种采用双机接口的,提高大容量图象数据传输性能的电分机高端联网系统。
This paper describes a scanner high-end that USES double interface to enhance transfer rate for high volume image data.
在无线信道中采用MIMO结构能够显著提高通信系统容量。
Using of MIMO system in the wireless channel can significantly improve the capacity of communication system.
在无线信道中采用MIMO结构能够显著提高通信系统容量。
Using of MIMO system in the wireless channel can significantly improve the capacity of communication system.
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