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massive mimo Fundamentals, Opportunities and Challenges
应用背景Massive multiuser MIMO (MISO):
◮ M ≫ K ≫ 1 (think 100 × 10 or 500 × 50)
◮ coherent, but simple, processing
◮ Potential to dramatically improve rate & reliability
◮ Potential to drastically scale down TX power
◮ Not only theory, at least one known testbed (64× ∼10)
关键技术
Massive MIMO Operation
Not enough resources for pilots & CSI feedback, so operate in TDD.
◮ On the uplink,
◮ acquire CSI from uplink pilots and/or blindly from data
◮ detect symbols
◮ M ≫ K ⇒ linear processing (MRC, ZF, MMSE) nearly optimal
◮ On the downlink,
◮ use CSI obtained on the uplink
◮ make necessary adjustments based on reciprocity calibration
◮ apply multiuser MIMO precoding
◮ simple precoders desirable (and very good!): MRT, ZF, MMSE, ...
◮ MRC/MRT operation
◮ intracell interference will appear as
- 2022-07-07 16:58:08下载
- 积分：1
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latest Fuzzy Logic Toolbox
最新模糊逻辑工具箱-latest Fuzzy Logic Toolbox
- 2022-02-06 07:28:58下载
- 积分：1
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如何计划时域有限差分法
How to program FDTD-How to program FDTD
- 2022-03-13 08:30:10下载
- 积分：1
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计算机图形学CDC类的应用
应用背景ｖｉｓｕａｌＣ＋＋制作汉子的逐个显示动画，输出“你好！欢迎你来到山西大同大学！！！”关键技术ＣＤＣ类的应用，ｖｉｓｕａｌＣ＋＋编程
- 2022-05-22 15:59:12下载
- 积分：1
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布尔：你将获得两布尔陈述你的任务是检查吧…
bool:you will be given two bool statements and your assignment is to check it right or wrong.-bool : you will be given two statements and your bool as signment is to check it right or wrong.
- 2022-03-07 15:23:05下载
- 积分：1
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计算器能够实现加、减、乘、除简单运算，还能够实现数据的输入，输出，计算，显示及程序退出等功能...
计算器能够实现加、减、乘、除简单运算，还能够实现数据的输入，输出，计算，显示及程序退出等功能-calculators can be achieved, plus or minus, multiplication and simple operation, but also to achieve the data input and output, calculation, Display and exit procedures, and other functions
- 2023-03-25 05:10:03下载
- 积分：1
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图像的线性变换
应用背景主要运用在图像的点运算上，可以将RGB图像灰度化，进而二值化，也可以对灰度图像进行反色处理，进行线性变换处理。也可以将RGB图像灰度化后进行灰度拉伸和灰度均衡化处理。关键技术采用MFC界面，运用C/C++进行编程，界面清晰明了，是学习图像处理的入门程序。可以对RGB图像和灰度图像进行多种预处理，然后可以据此进行更进一步处理。
- 2022-04-27 15:07:11下载
- 积分：1
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cublas矩阵乘
基于gpu的并行计算，通过调用英伟达官方cublas（基本线性代数子程序）库函数，与c++编写混合程序，通过nvcc编译，被MATLAB调用，加速matlab计算，实现双精度下的矩阵相乘。
- 2022-03-01 08:51:50下载
- 积分：1
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机械优化设计的C程序，黄金分割法，解决一维优化问题
机械优化设计的C程序，黄金分割法，解决一维优化问题-Optimal Design of C mechanical procedures, golden section method to solve one-dimensional optimization problem
- 2022-02-12 19:32:17下载
- 积分：1
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stable matching
简单的稳定匹配算法实现，无bug
Implement Gale-Shapley algorithm of the Stable Matching Problem in your
favorite language, and give the matching result of attached ranking data
(boys rankings.txt and girls rankings.txt), supposing that the ranking is sorted
from high to low. (C++ source file gs make ranking.cc which generates the
data is also supplied here.)
- 2023-02-04 07:15:03下载
- 积分：1
