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MIMO 系统仿真，对时变信道的自适应调制-erq.m : function for ERQ algorithm in MIMO systems
space_wf.m : function for spatial domain power waterfilling
st_wf.m : function for spatial and temporal domain waterfilling
MIMO_rate.m : Plot spectral efficiency vs SNR f
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Iterative receiver techniques, multiple-input – multiple-output (MIMO) processing, and
orthogonal frequency division multiplexing (OFDM) are amongst the key physical layer
technologies when aiming at higher spectral efficiency for a wireless comm
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Reaching Higher data rate and spectral efficiency are among the challenges expected for 4G wireless systems. Combining OFDM modulation and multiple-input multipleoutput (MIMO) help for that. In this paper, performances of a WiMAX MISO-OFDM based syst
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多输入多输出(MIMO)通信系统相比其他的通信系统具有更高的频谱效率，在不增加发射功率以及信号带宽的
情况下，MIMO 技术可以有效地提高系统信道容量及其性能。利用均匀角能量分布以及相关矩阵，分析了相关信道下的MIMO
系统信道容量，得出了系统信道容量的通用公式，并利用MATLAB 进行仿真。仿真结果表明，相关性的增加意味着信噪比的减
小，圆形接收天线阵列半径与角度扩展是决定MIMO 系统信道容量的主要因素。-Multiple-input multiple output (MIMO)
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In the last few years wireless services have become more and more
important. Likewise the demand for higher network capacity and
performance has been increased. Several options like higher bandwidth,
optimized modulation or even code-multiplex
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多输入多输／皇(MIMO，Multiple Input Multiple Output)技术可以在不增加系统
带宽的情况下成倍地提高系统容量和频谱利用率，已成为下一代移动通信系统的
关键技术之一。-Multiple Input Multiply Output(MIMO)，which can dramatically increase the
channel capacity and spectral efficiency for a wireless system without o
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channel estimation based on MIMO-OFDm is a promising technology that will provide the high datarates , increased capacity, spectral efficiency and reliability that is required for a more efficient wireless communication.
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本文在介绍MIMO无线通信系统模型的基础上，通过对比分析几种常用空时编码方法，选定空时分组码对信号进行编码并建立瑞利衰落信道模型，通过对两发一收及两发两收系统的仿真，研究接收天线数对系统接收信号可靠性的影响。之后进一步扩展到不同发射矩阵条件下研究多发一收系统的频谱利用率及误符号率，分析不同天线数目，不同发射矩阵条件下空时正交分组码检测算法的性能。-This paper introduced the MIMO wireless communication system model, through
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spectral efficiency distributed
MIMO
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Spectral Efficiency in Large-Scale MIMO-OFDM Systems with Per-Antenna Power Cost
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In order to improve the spectral efficiency in wireless communications, multiple
antennas are employed at both transmitter and receiver sides, where the resulting
system is referred to as the multiple-input multiple-output (MIMO) system. In
MIM
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Multiple Input Multiple Outputs, a wireless or radio communications technology normally used with OFDM for many wireless and radio communications. Multiple-input multiple-output, or MIMO, is a radio communications technology or RF technology that is
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Multiple Input Multiple Outputs, a wireless or radio communications technology normally used with OFDM for many wireless and radio communications. Multiple-input multiple-output, or MIMO, is a radio communications technology or RF technology that is
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Much of the initial excitement about MIMO systems
was due to pioneering work by Winters [132], Foschini [29], and Telatar [113] predicting remarkable
capacity growth for wireless systems with multiple antennas when the channel exhibits rich scatt
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MIMO-CDMA 系统的渐近频谱效率仿真(asymptotic spectral efficiency of MIMO-CDMA)
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FBMC transmitter offers low power and high speed than the OFDM transmitter.Spectral efficiency is high. sidelobe problem is eliminated by using filter bank.
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Coordinated multipoint, massive MIMO, multicell, pilot contamination, spectral efficiency, user scheduling
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Massive MIMO Networks: Spectral,
Energy, and Hardware Efficiency
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基于大规模MIMO 基本架构，探讨了信道建模和系统性能分析、信道状态信
息获取技术、多用户上下行无线传输技术等大规模MIMO 传输关键技术；认为利用
大规模阵列天线的多用户多输入多输出（MIMO）传输，将显著提升无线通信系统的
频谱效率及功率效率。(Based on the basic architecture of large-scale MIMO, channel modeling, system performance analysis and channel state infor
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目前，以空间调制(Spatial Modulation，SM)、广义空间调制(Generalized Spatial Modulation，GSM)为代表的新型MIMO技术，成为4G以及5G的关键技术。空间调制系统在一个符号周期内，发送端只选择部分发送天线发送信号，从而大大提高了频谱效率，是大规模MIMO系统的重大突破。(At present, the new MIMO technology represented by spatial modulation (SM) and generaliz
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