The algorithm can reduce the multipath interference for the mobile units.
该算法可减小移动用户的多径干扰。
When many users connect at the same time, system can not work since multipath interference exceeds a limit.
当同时通话的用户数达到一定数量,多址干扰达到一定限度,系统将不能正常工作。
However, it has multipath interference and muti-access interference which are disadvantages to the user capability of the multiplex system.
但其本身存在多径干扰、多址干扰等问题,大大限制了复合系统中的用户容量。
Since UWB system generally operates in dense multipath indoor channel, multipath interference becomes one of the main interferences affecting system performance.
UWB主要应用于密集多径室内信道中,多径干扰是系统的主要干扰来源之一。
The results of simulations show that the random phase shift, the amplitude and DOA(Direction of Arrival) of signals can influence performance of CMA array in reducing multipath interference.
仿真结果表明,CMA阵列的抗多径干扰性能受随机相移、信号幅度、信号空间分布等因素的影响。当所需信号与多径干扰信号空间隔离度越大,CMA阵列的抗多径干扰性能越好。
Because of the ability to combat multipath interference and high spectral efficiency, OFDM has become the first choice of physical layer technology in future broadband wireless access systems.
OFDM技术以其良好的抗多径干扰能力和高频谱利用率成为未来宽带无线接入系统的首选物理层技术。
An efficient approximation for expressions of the average error probability are developed based on considering the effects of multipath interference, multiple access interference and channel noise.
基于多径干扰、多址干扰和信道噪声的机理分析,推导了计算平均差错概率的有效近似公式。
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.
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。
For UWB is mostly applied in dense multipath indoor circumstance the study on Inter Code Interference (ICI) caused by multipath is very importance for designing a high rate UWB system.
由于UWB主要应用在密集多径的室内环境,所以研究多径效应造成的码间干扰对于设计高速uwb系统非常重要。
In shortwave communication system, Intersymbol Interference is serious and signal is distorted extremely because of fading channel resulted in by the effect of multipath.
在短波通信系统中,由于多径效应常常引起信道衰落,直接结果是码间串扰非常严重。
Mitigating interference and making full use of the multipath signals, the new method utilizes the total energy of the desired user and does not require the channel parameters and training sequence.
该方法既考虑了对干扰的最大抑制,又强调了对多径信号的充分利用。 它利用了期望用户信号的所有能量,不需要已知信道参数,也不需要发训练序列。
To induce inter symbol interference which is due to multipath transmit effect in the water acoustic communication system, linear equalization can be adopted in the system.
为了减小水声通信系统中存在的由于多径传播效应引起的符号间干扰,可在系统中使用线性均衡器。
It can waken the multipath effect availably, eliminate symbol interference and fight against frequency select fading. Moreover, the channel utilization rate is high.
他能有效地对抗多径效应,消除符号间干扰,对抗频率选择性衰落,而且信道利用率高。
It can be used in multipath channels to suppress multi-address interference and overcome multi-channel fading.
本文中提出的这种算法适用于多径衰落信道,能很好抵消多址干扰和克服多径衰落。
UWB is mostly applied in dense multipath indoor circumstance. The Inter Chip Interference (ICI) caused by multipath is very important for designing a high rate UWB system.
由于UWB主要应用在密集多径的室内环境,所以研究多径效应造成的码间干扰对于设计高速uwb系统非常重要。
In modern shortwave communication systems, the channels are mostly frequency-selective, multipath transmission causes the coherent attenuation and symbol interference.
现代短波通信系统,其信道大多数具有频率的选择性,多径传输产生了信号的相干衰落与符号干扰。
In wireless communication system, Inter-symbol Interference is serious and signal is distorted extremely because of fading channel resulted in by the effect of multipath.
在无线通信系统中,由于多径效应常常引起信道衰落,直接结果是码间干扰非常严重。
A general space-time CDMA system model in multipath fading channels is built to study how to suppress both multiple access interference (MAI) and multipath fading.
通过建立了一般的空时CD MA系统模型,探讨多址干扰和多径效应的联合抑制问题。
Tore duce effective the multipath disturbance and multi-user interference and improve the SNR, time-domain equalizer is employed at the output of each array element of smart antenna.
该智能天线在每个阵元输出带有时域均衡器,可以在多径环境下有效消除多径干扰和多用户干扰,提高信噪比。
In a multipath environment, spatially smoothing processing is an effective approach to eliminating the deleterious effect of coherent interference on adaptive array systems.
在多路径环境中,空间平滑是消除相干干扰对自适应阵列处理系统影响的有效方法。
In radio communication system, because of multipath effect and the finity of channel bandwidth and incomplete channel, intersymbol interference (ISI) is inescapability during the data transfer.
在无线通信系统中,信号在传输过程中由于多径效应和信道带宽的有限性以及信道特性的不完善性导致不可避免地产生码间串扰。
In DS CDMA channels with multipath and multiple access interference, this paper estimates blindly the user channel with extended space time channel model to process the blind MMSE detection.
在多径多址干扰DS CDMA环境中,本文根据空时信号模型,用扩展的盲方法估计用户信道,从而进行盲mmse检测。
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.
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。
Time variant multipath propagation in acoustic channel causes serious intersymbol interference (ISI), which makes high speed data transmission over acoustic channel very difficult.
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。
Existing multipath routing protocols usually ignore the inter-path interference which can seriously affect the performance of data transmission.
而多路径之间的干扰对于多径路由协议的整体数据传输性能有着重要的影响。
The received signal is often corrupted badly by inter-symbol interference in the multipath fa- ding wireless channel circumstance.
数字通信系统中多径衰落的无线信道环境通常会使接收信号受到严重的码间干扰。
This means that the intersymbol interference caused by channel aberration and multipath becomes more serious.
这就意味着信道畸变和多径效应产生的码间干扰更严重。
Blind equalization is an effective way to suppress the inter-symbol interference (ISI), which is caused by multipath fading communication channels.
在数字通信中,盲均衡是克服多径衰落信道导致的码间干扰的一种有效方法。
Underwater acoustic channel is a time-space-frequency variant channel, having a character for narrow bandwidth, high ambient noise level and strong interference of multipath.
而由此构成的水声信道是一个空间与频率响应随机快速变化的传输信道,存在窄带、高噪及强多途干扰。
Underwater acoustic channel is a time-space-frequency variant channel, having a character for narrow bandwidth, high ambient noise level and strong interference of multipath.
而由此构成的水声信道是一个空间与频率响应随机快速变化的传输信道,存在窄带、高噪及强多途干扰。
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