分集接收
- 网络Diversity Reception;diversity receiver
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多径衰落信道下多载波CDMA信号的频率分集接收
Frequency diversity reception of multi-carrier CDMA signals over multipath fading channel
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异步CDMA移动通信系统中采用分集接收的多用户检测器
A family of multiuser receivers with diversity reception in asychronous CDMA mobile communications
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Rayleigh衰落信道中的CDMA多用户分集接收性能
Performance of CDMA Multiuser Diversity Reception for Rayleigh Fading Channels
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Turbo码在最大比合并分集接收系统中的性能分析
Performance Analysis of Turbo Codes for Maximal Ratio Combining Receivers
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最大选择分集接收M进制正交码DS-CDMA扩频通信系统性能分析
DS CDMA performance of M ary orthogonal codes with maximum selection diversity reception
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与此对应,时间扩展通信也可以在频域上进行类似RAKE的分集接收,有效处理时变衰落带来的影响。
Time spreading can implement RAKE diversity receiving in frequency domain .
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基于LS信道估计和分集接收的Turbo乘积编码OFDM系统的性能研究
Study on Performance of Turbo Product Coded OFDM with LS Channel Estimation and Diversity Reception
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冲击噪声干扰下SC分集接收的系统性能分析
Performance Analysis of SC Reception with Impulsive Noise
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移动通信中的分集接收技术和Rake接收机
Diversity Receiving Technology in Mobile Communication and Rake Receiver
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极化分集接收:偏振模色散(PMD)补偿的新途径
A New Way of Polarization Diversity Receiver for the Compensation of PMD
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本文研究了多载波码分多址(Multi-carrierCDMA)扩展频谱系统在多径衰落信道下的频率分集接收技术。
In this paper , the frequency diversity reception of multi-carrier CDMA signal is studied .
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在本设计方案中,整个系统由扩频信号发送、多径信道仿真和Rake分集接收三大模块构成。
It consists of spread spectrum signal sending , multi-path channel simulation and Rake receiving modules .
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Fast-FHMA/MFSK系统中基于分集接收MMSE的多用户检测算法
Multiuser Detection Algorithm Based on Diversity Combining and MMSE for Fast-MFSK / FHMA Communication System
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该文提出了turbo码在最大比合并分集接收无线通信系统中纠错性能的联合上界。
Upper union bounds of turbo codes for maximal ratio combining ( MRC ) diversity systems are presented in this paper .
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在UWB脉冲信号的角度分集接收中,通常的空时处理中通道时延不易精确地控制。
In usual spatial-time processing for diversity reception of UWB pulses , the channel delays are not easy to be implemented accurately .
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MRC分集接收的MQAM在Nakagami信道上的性能分析
Performance analysis of MQAM using MRC diversity reception in Nakagami channel
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研究了差分检测Turbo乘积编码调制和相关Rayleigh衰落信道中Turbo乘积编码MDPSK信号的分集接收的实现方法。
Differential detected turbo product coded modulation and diversity receptions of the TPC-MDPSK in correlated Rayleigh-fading channels are studied .
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系统采用DPSK调制和检测前合并的分集接收技术。
The system with differential-phaseshift keying ( DPSK ) modulation and predetection combining is examined .
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采用高斯混合噪声的模型,对存在冲击噪声干扰的Rayleigh信道应用选择式合并分集接收,并对MPSK系统的误码率性能做了研究和分析。
Here we analyze the BER performance of MPSK system using SC diversity combining in Rayleigh fading channel with the Gaussian-mixture model .
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MDPSK判决反馈差分检测联合检测后最大比分集接收
Decision Feedback Differential Detection with Postdetection Maximal Ratio Diversity Reception for MDPSK
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其关键技术有初始同步与Rake多径分集接收、多载波调制、软件无线电、智能天线、多用户检测、异步传输等6种。
Its crux techniques lie on Initial Synchronization and Rake Multi-path Diversity Recept ion 、 Multi-carrier Modulation 、 Software Radio 、 Intelligent Antenna 、 Multi-user Detection and Asynchronous Transfer Mode etc.
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本文首先讨论了移动通信信道的各种参数对信道估计的影响,介绍了频率选择性信道的抽头延迟线模型和分集接收技术,在此基础上阐述了RAKE接收机的原理。
The tapped delay model of the multi-path frequency selective fading channels as well as the diversity receiver technique is introduced , and the principles of RAKE receiver are described .
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通过分集接收技术在移动通信特别是第三代移动通信中的应用,介绍了传统Rake接收机和WCDMA中采用的典型Rake接收机的工作原理和结构框图。
According to application of diversity receiving in the third generation mobile communication , traditional Rake receiver and WCDMA which adopts typical Rake receiver ′ s principle and frame structure are introduced .
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在水印检测时,利用小波变换的良好去噪能力和对1/f噪声的良好白化效果,设计了水印的Rake接收机,以达到分集接收的目的。
In detection , based on the good effect of denoising and whitening to 1 / f noise of wavelet transformation , a Rake receiver of watermarks is devised for the diversity .
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该算法利用接收端进行分集接收处理来改善V-BLAST系统每层的接收信号,对进一步抵抗V-BLAST系统的误差传播效应取得很好的效果。
The algorithm improves every layer of received signal of V-BLAST system using receiving diversity precessing of the receiver and better performance against error propagation .
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本文针对DS-CDMA系统,提出了一种直接序列扩频信号的空时二维联合分集接收方法,有效地解决了频率选择性衰落信道下直扩信号的空域和时域的联合接收处理问题。
We proposed a joint space-time diversity receiving method for DS-CDMA system to solve the problem of the space-time processing of the direct sequence spread spectrum ( DSSS ) signals in the frequency selective fading channel .
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然而在无线通信系统中的收发两端同时使用多根天线的多输入多输出(MIMO)通信结构,具有系统容量大、频谱效率高等优点,而且多天线分集接收时抗衰落的有效手段。
Fortunately , using multiple antennas at both transmits and receives in wireless communication systems can increase system capacity and improve spectral efficiency effectively , and it is also an effective means of anti-fading . Which structure we call multiple-input multiple-output , MIMO for short .
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在接收系统中,采用零差接收方式对接收信号进行载波解调,在完成伪码同步的前提下利用Rake接收技术对解调后的多径信号进行分集接收。
In the receiving module , receiving signals are demodulated with the method of homodyne reception . On the premise of completing pseudo random code synchronization , diversity receiving are completed for multi-path signals can be received with the Rake technology .
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该系统可以添加单元形式与普通FM接收机相连,从而达到以空间分集接收技术改善接收性能的目的.本系统也可以用于车载接收机等移动接收场合。
To improve the reception performance with space diversity technology , this system can be connected to an ordinary receiver in added-on-unit form and it can also be used in mobile reception condition such as receiver in vehicle , so its application can be largely extended .
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该文研究OFDM系统中低复杂性最小二乘方(LS)信道估计技术,为了改善LS估计的OFDM在严重多径信道中错误平底效应,分集接收和Turbo乘积编码用于系统设计。
The low-complexity Least Square ( LS ) channel estimation in Orthogonal Frequency Division Multiplexing ( OFDM ) is studied in this paper . To reduce the error floor of OFDM with LS channel estimation , the diversity reception and turbo product coding are used in system design .