[PDF][PDF] Adaptive Transmission in MIMO Wireless Systems with Imperfect Channel State Information 不完備信道信息下MIMO 無線系統中的自適應傳輸技術

電子工程學系 - 2010 - lbms03.cityu.edu.hk
… perfect CSIT due to channel estimation errors, feedback … systems over flat Rayleigh fading
channels with beamforming to … -form rate adaptation scheme, a closed-form temporal power

單載波適應性調變系統中模式邊界值之決定

葉承霈, 張文鐘 - 2004 - ir.lib.nycu.edu.tw
… the channel state measure and perfect channel estimation is assumed. Frequency-nonselective
Rayleigh fading channel is … BER functions of 16-QAM and 64-QAM. As the average SNR …

可適性正交多工調變系統

WL Lin - 2008 - ir.lib.ncu.edu.tw
… coherent and differentially coherent constant-power adaptive OMM (AOMM) systems are
shown to significantly outperform the conventional constant-power adaptive modulation …

非完美信道状态信息下多用户MIMO-OFDM 系统自适应稳健的最大化信泄噪比预编码算法

F Shu, J Tong, X You, C Gu, J Wu - Science China Information Sciences, 2016 - Springer
… with M-QAM and MPSK (phase shift keying) modulated signals in the presence of channel
estimation error. … Doppler spread estimation for mobile OFDM systems in rayleigh fading …

[PDF][PDF] 非理想信道信息下双向多中继选择系统性能分析

史寅科, 邱玲 - 电子与信息学报, 2012 - edit.jeit.ac.cn
… (TDBC) protocol employing adaptive modulation. The end-to-… to reduce the impact of channel
estimation error is proposed. … - QAM M 调制的双向多 中继选择系统的平均频谱效率的数值…

有通道估計誤差下之多天線信號偵測

林玉婷, 蘇育德 - 2009 - ir.lib.nycu.edu.tw
… identically distributed (iid) Rayleigh entries, the associated … -time decoding with imperfect
channel estimations, but their … onto sequences of M-QAM symbols where the signal constella…

應用於超高速傳輸正交多工分頻系統頻率域上之時間同步器

姜建安, 許騰尹 - 2010 - ir.lib.nycu.edu.tw
… may affect the performance of channel estimation [5]. … And then, the QAM mapping is used
to modulate the bit stream. It … of Rayleigh fading and a measured received power-delay profile …

IEEE 802.16 a 分時雙工正交分頻多重進接之下行通道估測之研究與技術

陳盈縈, 林大衛 - 2003 - ir.lib.nycu.edu.tw
… We did the simulation on both static and Rayleigh fading channels. … And we focus on the
downlink channel estimation. There are two … Below we mention of the imperfections and their …

可應用於多天線系統快速時間同步之研究

呂紹弘, 陳穎平 - 2007 - ir.lib.nycu.edu.tw
… may affect the performance of channel estimation[6]. … of Rayleigh fading and a measured
received power-delay profile … , high QAM constellation likes 256-QAM for higher data rate is …

[PDF][PDF] 基于MIMO 信道估计误差模型的功率分配与自适应调制算法

廖昕, 姜军, 张平 - 电子与信息学报, 2009 - edit.jeit.ac.cn
… in uncorrelated Rayleigh flat fading channels is investigated, … To reduce the channel
estimation error’s effect on actual … M-QAM 调制,接收端采 用迫零检测时,接收端BER 的近似表达式. …