WCDMA系统提出了单码和多码两种多速率传输方案。
Single code and multiple code transmission schemes which can provide variable rate services are presented in a WCDMA system.
过去5年来,传输速率增加了一倍多,因而电子数据可以更流畅地传送。
In the past five years, transmission speeds have more than doubled, so that electronic data can flow easily.
与传统的单载波调制方式相比,OFDM技术可以有效地抵抗信道多径干扰,提高系统的传输速率。
Compared with the traditional scheme of single-carrier modulation, OFDM technology has more effective anti-jamming ability and achieves higher transmission rate.
提出了一种能够抑制多径干扰的基带波形设计方法,该方法是通过保持传输信息速率不变,在成形滤波器第二个零点叠加信号来实现的。
A waveform design method that can restrain the multipath effect was proposed. It was achieved by placing signal on the second zero point of waveform filter and keeping the information rate.
源端根据接收端的反馈调节多播层次数目及各层传输速率,接收端根据TCP吞吐量模型计算本地允许带宽,进行层次的接收及形成对源端调节的反馈。
Source adjusts the number and the rate of layers in terms of feedback from receivers. Receivers calculate local bandwidth through TCP model and form feedback used in source.
为了提高数据传输速率,深入研究了多导体电缆数据传输的频谱优化问题。
In order to increase the data transmission rate, the spectrum optimization of the data communications with multi-conductor power cable was investigated.
本文从提高无线移动传输系统传输速率和对抗多径的角度,研究OFDM调制技术在无线移动通信中的应用。
The thesis researches the application of OFDM modulating technology on mobile communication based on improving transfer effect in limited band broad and overcoming Multi_path fading.
该模型支持采用自适应调制和编码(AMC)的多速率非理想信道,而AMC在无线网络中是增加有效传输率的关键技术。
The model supports the multi-rate non-ideal channel using adaptive modulation and coding (AMC), which is the key feature in the wireless networks to increase the effective transmission rate.
正交频分复用(OFDM)技术具有很强的抗符号间干扰、抗多径衰落和时延的能力。并且保持较高的传输速率。
Orthogonal Frequnency Division Multiplexing(OFDM) is suitable for high rate data transmission in wireless channels because it can combat Inter-Symbol Interference and multipath fading efficiently.
利用纳秒级的非正弦波窄脉冲来传输数据,具有传输速率高、功耗低、安全性好、抗多径能力强以及成本低廉等许多优点。
It has many advantages, for example high transmission rate, low power consumption, good security, robustness to multipath and low cost.
多载波调制技术是一种并行数据处理方式,有效地对抗多径衰落,可以提高无线带限信道的数据传输速率。
Multicarrier modulation is a form of parallel data transmission, which is efficient to reduce the detrimental effects of multipath fading.
提出利用UWB数据传输速率高、多径分辨能力强以及非视距传输等优良特性来传递定位信息;
The locating information is transmitted in the UWB mode which has a high-speed transmission rate, a high multi-pathway resolving power, and a NLOS specialty;
而使用目前的多播传输方法,多播传输速率往往是达不到这个上限值。
But using present multicast methods, multicast can not, often, achieve this upper bound.
降低 的传输速率可通过降低多速率PHY层操作所提供的符号速率来实现。
The reduced communication rate may be achieved by reducing the symbol rate provided by the multi-rate PHY layer operations.
然后,针对多信道无线自组织网络数据传输和时延分配调整问题,本文提出了时延受限的多信道传输速率控制的分布式算法。
Secondly, this thesis proposed a model of end-to-end delay-constrained data transmission rate control for multi-channel wireless ad hoc network.
阐述了UWB通信的传输速率高、保密性能好和抗多径衰落强等优点。
The advantages of UWB communication have been set forth such as very high transformation rates, excellent security, fading against multi-path, and so on.
阐述了UWB通信的传输速率高、保密性能好和抗多径衰落强等优点。
The advantages of UWB communication have been set forth such as very high transformation rates, excellent security, fading against multi-path, and so on.
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