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MIMO-OFDM
- 这是一个基于空时分组编码的MIMO_OFDM通信系统的仿真设计,此系统包括QPSK调制解调，IFFT调制，空时编解码，基于训 练符号的信道估计等通信模块。 -This is a space-time block coding based on the MIMO_OFDM communication system simulation design, this system consists of QPSK modulation and demodulation, IFFT modulat
ChannelEstimation
- 经典的信道估计方面的文章，名字是how much training is needed in multiple-antenna wireless links?-Channel estimation aspects of the classic article, the name is how much training is needed in multiple-antenna wireless links?
ZIGBEE-TechnologyApplication
- zigbee初级培训资料，讲述了:什么是zigbee；短程无线网络标准；zigbee与IEEE 802.15.4；zigbee的协议栈；频带和数据传输率、信道；zigbee的拓扑结构和网络设备类型；zigbee的应用案例简介（包括：结合GPRS的传输网络、油田油井遥测、石油石化应用、管道监测、远程抄表、水文水利、交通控制、医疗设备、点餐系统等）-zigbee initial training information about: What is zigbee short-range wirel
Freq-and-timing-recovery
- 文章介绍了平坦衰落下的频偏和同步联合恢复技术，能够有效应对时变的信道，并且不需要训练序列，给出了详细的仿真和分析，供大家学习-Two open-loop algorithms are developed for esti- mating jointly frequency offset and symbol timing of a linearly modulated waveform transmitted through a frequency-fl at fading
ab2
- 一种新的基于信道相关输出的可变步长LMS训练算法-A novel variable step size adjustment method based on channel output autocorrelation for the LMS training algorithm
on-the-modulation-technology-in-OFDM
- 在 OFDM 数学原理和收发模型的基础上，本文对帧同步、定时同步、频率同 步和采样同步给 OFDM 系统所产生的影响进行了理论分析，同时讨论了基于循环 前缀或训练符号的典型 OFDM 同步算法。参考 802.11a 突发数据帧结构和系统参 数，分析几种 OFDM 同步算法用于突发分组传输的性能；在分析了几种经典的信 道估计算法基础上,通过对复杂度和性能的折衷，选择一种适合本文系统的估计 算法。最后作者提出一种改进型 LS 信道估计算法，该算法考虑了 LS 算法中噪声 的影
DOA-Estimation
- 一篇非常实用的无线通信方向的文献，是关于cdma系统中doa估计的经典-The use of antenna arrays in wireless communications makes it possible to estimate the directions of arrival (DOAs) of impinging waveforms. The latter can be exploited to enhance channel estimation accuracy o
OPTIMAL-TRAINING-SEQUENCE-AND-CHANNEL-ESTIMATION.
- ofdm channel estimation
Efficient-MIMO-Channel-Estimation-With-Optimal.ra
- Efficient MIMO Channel Estimation With Optimal Training Sequence
ex4
- 仿真采用QPSK和16-QAM调制时，接收机采用理想信道估计和利用训练符号进行信道估计的误比特率性能-The simulation using QPSK and 16-QAM modulation, receiver with perfect channel estimation and using training symbols for the bit error rate performance of the channel estimation
mangjunheng
- 盲均衡是指均衡器能够不借助训练序列 ,而仅仅利用所接收到的信号序列即可对信道进行自适应均衡。 -Blind equalization means without the aid of the equalizer training sequence can, but only using the received signal sequence to the channel adaptive equalization.
MASSIVE-MIMO
- 本论文根据最小均方根误差准则（MMSE）,提出一种非正交设计导频的方法，这种方法在MASSIVE MIMO中非常有效。-In this letter, the error variance of the Minimal Mean-Square Error (MMSE) channel estimator is analyzed, and its analytic formula is given. Based on the analytic formula, a designing
Feature-Denoising
- joint sparse representation (JSR)方法用于车内语音增强的特征降噪算法-address reducing the mismatch between training and testing conditions for hands-free in-car speech recognition. It is well known that the distortions caused by background noise, channel effec