在语音和低速数据用户接收机中可以使用简单的干扰抵消器,用于消除一条高速数据信道产生的自干扰。
We can simply use an interference eliminator in voice and low rate data user receiver to eliminate the self-interference produced by high rate data channel.
但是这种正交性却被多径衰落信道破坏,产生了多码道干扰,严重影响了系统高速传输数据的性能。
The orthogonality, however, is impaired by multipath fading channels, thus causing multicode interference (MCI) and deteriorating the system's performance at high data transmission rates.
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.
高速数据传输中信道均衡算法大致分为三类:即基于LMS准则、LS准则和人工神经网络的自适应算法。
Algorithms currently used for high speed data transmission over voice-band channels can be based on following three principles: on LMS criterion, on ls criterion or on artificial neural network.
在快速移动的高速数据传输环境下,由于完全的线性信道是不存在的。
In the fast mobile circumstance with high data rate, the absolute linear channel is nonexistent.
目前,正交频分复用(OFDM)技术因能在无线时变信道中进行高速数据传输而受到广泛的关注。
At present, more comprehensive attention has been taken to OFDM technology in data transmitting systems with wireless time-varying channel.
正交频分复用(OFDM)技术是近几年兴起的一种在无线信道上实现高速数据传输的新技术。
Orthogonal Frequency Division Multiplexing (OFDM)technology in recent years is the rise of a wireless channel to achieve high-speed data transfer of new technologies.
例如,在UMTS标准中,用于高速数据的增强专用信道(E - DCH),最高脉冲速率对应于4或2个码片。
For example, in the UMTS standard, an enhanced dedicated channel (E-DCH) for high speed data, the highest burst rate corresponds to 4 or 2 chips.
正交频分复用(OFDM)是一种新型调制技术,特别适合在多径传播的无线移动信道中高速传输数据。
OFDM (Orthogonal Frequency Division Multiplexing) is a new modulation technology, it is suitable to high-data-rate transmission in the wireless transfer channel with multi-path transmission.
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.
但水声信道的时变多途效应造成接收数据严重的码间干扰(I S I),使得高速水声通讯的实现十分困难。
Time variant multipath propagation in acoustic channel causes serious intersymbol interference (ISI), which makes high speed data transmission over acoustic channel very difficult.
OFDM是一种无线传播环境下的高速传输技术,适合在多径传播和多普勒频移的无线信道中传输高速数据。
OFDM is a high transmission technology in the wireless propagation environment. It is fitted to transmit high-speed data in the wireless channel which has multi-path delay and Doppler frequency shift.
因此,解决视频等高速率数据业务通过无线信道的鲁棒传输成为一个紧迫的问题。
Thus, it becomes a pressing problem to solve robust transmission for video business over wireless channels.
因此,解决视频等高速率数据通过无线信道的鲁棒传输成为一个紧迫的问题。
So it becomes a pressing problem to solve robust transmission of video over wireless channels.
为了支持HSUPA特性,TD-SCDMA系统上行新增加了增强型上行链路专用信道(E-DCH),用于承载高速上行数据。
To support HSUPA, a new transport channel, namely Enhanced Dedicated Channel (E-DCH), is added to the uplink of TD-SCDMA system, which is a transmission channel for carrying high-speed uplink data.
电力线通信存在随机高斯噪声干扰、多径效应和信道衰减,严重制约了高速数据的传输。
There are stochastic Gaussian noise, multi-path effect and attenuation in the power line communication. It is difficult to transmit high-speed streams.
电力线通信存在随机高斯噪声干扰、多径效应和信道衰减,严重制约了高速数据的传输。
There are stochastic Gaussian noise, multi-path effect and attenuation in the power line communication. It is difficult to transmit high-speed streams.
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