提出了一种在多径瑞利衰落信道中的信噪比盲估计算法。
This paper presents a blind algorithm to estimate the signal-to-noise ratio(SNR) of a communication signal in multipath Rayleigh fading channel .
考虑到瑞利衰落信道为随机信道，用非相干检测对信道进行估计。
Considering Rayleigh fading channel is random channel, noncoherent detection is used for channel estimation.
空时编码是最近提出的使用多个天线应用于瑞利衰落信道的编码技术。
Space- time block codes are code technologies which provide a new paradigm for transmitting over Rayleigh fading channels using multiple antennas.
为了提高算法在瑞利衰落信道下的性能，进一步采用了幅值加权的方法。
To improve the performance of the algorithm in the Rayleigh fading channel, amplitude weighted algorithm is adopted.
主要研究了空时编码系统在相关瑞利衰落信道和高斯噪声环境下的性能。
The performance of space-time channel coding scheme is discussed under a Rayleigh fading channel with spatially correlated fading amplitudes and an additive white Gaussian noise.
首次分析了在多小区瑞利衰落信道中PR MA类协议的容量及通量性能。
It is the first time to analyze the capacity and throughput performance of PRMA and its variations under cellular environment with Rayleigh fading channel.
该文研究在频率选择性瑞利衰落信道中MC-CDMA系统的盲空时干扰抑制。
This paper investigates blind space-time interference suppression for MultiCarrier CDMA (MC-CDMA) system in frequency selective Rayleigh fading channel.
结果表明，平坦瑞利衰落信道中多用户检测算法的性能仍然优于传统检测算法。
It is concluded that the multiuser detection is superior to conventional detections in the flat Rayleigh fading channels.
研究了在时变瑞利衰落信道下，存在反馈时延的选择发送分集（STD）系统的性能。
The performance of selective transmit diversity(STD) with feedback delay is investigated under time-varying Rayleigh channel.
商分编码QAM由于无需信道估计和均衡，因此降低了在瑞利衰落信道解调的复杂性。
Due to no channel estimation required for Rayleigh fading channel, quotient coded QAM has lower receiver complexity.
该文研究了频率选择性瑞利衰落信道中的异步ds - CD MA系统盲多用户检测。
This paper investigates blind multiuser detection for asynchronous DS-CDMA in frequency selective Rayleigh fading channel.
本文提出了频率选择性瑞利衰落信道中的对角空频分组码(DSF)，研究了码的性能。
In this paper, we propose a diagonal space-frequency (DSF) block codes over frequency-selective Rayleigh fading channels and study performance of the code.
本文设计的是应用于具有瑞利衰落信道的移动通信系统中的RS(31,15)编码器。
This design of RS (31, 15) Encoder is applied to Rayleigh Channel for mobile communication.
研究了频率选择性瑞利衰落信道中的同步MC-CDMA系统上行链路空时信道估计及多用户检测算法。
The space-time channel estimation and multiuser detection algorithm for the uplink of multicarrier CDMA (MC-CDMA) system in frequency selective Rayleigh fading channel were investigated.
接收端采用串行干扰抵消的方法去除或抑制很严重的多用户干扰，该方法实现简单，适合瑞利衰落信道。
In the receiver, successive interference cancellation is employed to remove or suppress sever multiuser interference, and this detector is easy to implement and apt to Rayleigh fading channel.
结果证实了，差分跳频通信技术和按序列检测方法的结合，使通信系统在瑞利衰落信道条件下的性能得到了比较显著的提升。
The simulation results presented prove that the performance of DFH system with signal detecting by sequence is much better than the conventional frequency hopped systems over Rayleigh fading channels.
本文分别对跳频瑞利衰落信道、非均匀散射环境下的瑞利衰落信道和移动台对移动台瑞利衰落信道的建模进行了深入的研究。
The performance of the schemes in condition of slow fading rayleigh channel are theoretically analyzed, and the theoretical expression on reception SNR and bit rate are introduced in this paper.
针对瑞利衰落信道中突发模式的空时网格编码的多电平连续相位调制(STTC - MCPM)系统，提出了一种基于数据辅助的符号定时估计算法。
A data aided symbol timing estimation algorithm was proposed for burst-mode space-time trellis coded multi-level continuous phase modulation (STTC-MCPM) systems in Rayleigh fading channels.
仿真结果表明，在AWGN加性高斯白噪声和相关瑞利衰落信道下，系统性能均有显著改进，并能有效克服GMSK信号所固有的严重符号间串扰ISI。
Simulation results show an evident improvement in AWGN and correlated Rayleigh fading channels. The severe intersymbol interference (ISI) of GMSK signals is also effectively suppressed.
仿真结果表明对于慢瑞利衰落、长往返旅程延迟(T)信道，该协议能取得较优的吞吐性能。
Simulation results indicate that the proposed protocol can obtain higher throughput performance for slow Rayleigh fading and large round trip delay (t) channels.
研究通过具有加性高斯白噪声的瑞利慢衰落电离层信道的恒模盲均衡技术。
The constant modulus blind equalization technique is investigated over a slow Rayleigh fading ionospheric channels with additive white Gaussian noise.
本文在瑞利衰落模型下，研究了高频电离层信道中多径时延与多普勒频移的随机特性。
In this paper, with Rayleigh fading the random characteristics of multipath time delay and Doppler shift in HF ionospheric channels is discussed.
空时分组码的准静态衰落瑞利信道的多发射天线多接受天线性能仿真。
The free time grouping code accurate static state declines the Rayleigh channel multi- transmitting antenna to accept the antenna performance simulation much, matlab, Communication.
高频电离层信道反射信号的幅度衰落服从瑞利分布。
Envelope fading of reflecting signals on HF ionospheric channels is Rayleigh fading.
然后在分析移动信道衰落特性的基础上，分析了多径瑞利信道的数学模型，并对基于这种模型的各种信道估计性能进行了仿真分析。
Then mathematic model of multi-path Rayleigh fading channels are presented based on the discussion of mobile fading channel characteristics. At last, the simulation results and analysis are given.
研究了慢变平衰落瑞利信道下，信道信息的量化反馈对系统对称容量的影响，给出了不同功率限制下的最优量化方案。
The symmetric capacity of slowly fading channels with quantized channel side information (CSI) is investigated. Optimal quantization schemes under different power constraints are derived.
研究了慢变平衰落瑞利信道下，信道信息的量化反馈对系统对称容量的影响，给出了不同功率限制下的最优量化方案。
The symmetric capacity of slowly fading channels with quantized channel side information (CSI) is investigated. Optimal quantization schemes under different power constraints are derived.
应用推荐