Description: ofdm信道特性
Channel transmission simulator
Channel transmission simulator
％
％ inputs:
％ sig2 - noise variance
％ Mt - number of Tx antennas
％ Mr - number of Rx antennas
％ x - vector of complex input symbols (for MIMO, this is a matrix, where each column
％ is the value of the antenna outputs at a single time instance)
％ H - frequency selective channel - represented in block-Toeplitz form for MIMO transmission
％ N - number of symbols transmitted in OFDM frame
％
％ outputs:
％ y - vector of channel outputs (matrix for MIMO again, just like x matrix)
％ create noise vector sequence (each row is a different antenna, each column is a
％ different time index) note: noise is spatially and temporally white Platform: |
Size: 812 |
Author:sunxu |
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Description: 这是一个对于频率选择性瑞丽信道的仿真，希望对大家有所帮助-This is a Ruili for frequency-selective channel simulation, we hope to help Platform: |
Size: 19456 |
Author:蒋新聪 |
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Description: 建立mimo频率选择性衰落系统并进行信道估计-The establishment of frequency selective fading MIMO system and channel estimation Platform: |
Size: 1024 |
Author:cheng |
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Description: 產生頻率選擇性衰落的雷利通道，參數由天線結構、OFDM系統的結構與功率延時結構來決定。-Have a frequency selective fading channel of Raleigh, parameters from the antenna structure, OFDM system, the structure and power structure to delay the decision. Platform: |
Size: 1024 |
Author:林季緯 |
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Description: ofdm信道特性
Channel transmission simulator
Channel transmission simulator
％
％ inputs:
％ sig2 - noise variance
％ Mt - number of Tx antennas
％ Mr - number of Rx antennas
％ x - vector of complex input symbols (for MIMO, this is a matrix, where each column
％ is the value of the antenna outputs at a single time instance)
％ H - frequency selective channel - represented in block-Toeplitz form for MIMO transmission
％ N - number of symbols transmitted in OFDM frame
％
％ outputs:
％ y - vector of channel outputs (matrix for MIMO again, just like x matrix)
％ create noise vector sequence (each row is a different antenna, each column is a
％ different time index) note: noise is spatially and temporally white-channel characteristics of OFDM Channel transmission simulatorChannel transmission simulator inputs: sig2- noise variance Mt- number of Tx antennas Mr- number of Rx antennas x- vector of complex input symbols (for MIMO, this is a matrix, where each column is the value of the antenna outputs at a single time instance) H- frequency selective channel- represented in block-Toeplitz form for MIMO transmission N- number of symbols transmitted in OFDM frame outputs: y- vector of channel outputs (matrix for MIMO again, just like x matrix) create noise vector sequence (each row is a different antenna, each column is a different time index) note: noise is spatially and temporally white Platform: |
Size: 1024 |
Author:sunxu |
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Description: 不同版本的频率选择性信道matlab仿真,同时附有word版原理说明-Different versions of frequency-selective channel matlab simulation, at the same time with a word version of the principle that Platform: |
Size: 112640 |
Author:yuan |
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Description: 用于产生频率选择性信道,其中的一个fade.m可以用来产生瑞利衰落信道.-Used to produce frequency selective channel One fade.m can used to generate Rayleigh Fading Channels. Platform: |
Size: 2048 |
Author:zf |
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Description: 信道描述，计算冲激响应函数，为频选衰落信道，用于MIMO或ＭＩＭＯ－ＯＦＤＭ系统-Channel description, calculation of impulse response function, for Frequency-Selective Fading Channels for MIMO or MIMO-OFDM system Platform: |
Size: 1024 |
Author:刘斐 |
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Description:
正交频分复用是一种多载波宽带数字调制技术。相比一般的数字通信系统，
它具有频带利用率高和抗多径干扰能力强等优点，因而适合于高速率的无线通信系统。-
OFDM Simulator
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MIMO OFDM Simulator:
OFDM.m: OFDM Simulator (outer function)
create_channel.m: Generates a Rayleigh fading frequency-selective channel, parametrized by the antenna configuration, the OFDM configuration, and the power-delay profile.
svd_decompose_channel.m: Since full channel knowledge is assumed, transmission is across parallel singular value modes. This function decomposes the channel into these modes.
BitLoad.m: Apply the bit-loading algorithm to achieve the desired bit and energy allocation for the current channel instance.
ComputeSNR.m: Given the subcarrier gains, this simple function generates the SNR values of each channel (each singular value on each tone is a separate channel).
chow_algo.m: Apply Chow s algorithm to generate a particular bit and energy allocation.
EnergyTableInit.m: Given the SNR values, form a table of energy increments for Platform: |
Size: 184320 |
Author:田静 |
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Description: 無線通訊中的環境大多為頻率平坦衰弱通道或是頻率選擇性衰弱通道.瑞利分佈為大多延研究的模型,當有多信道輸入
時,其包跡的選擇可以用來測試通道~-Wireless communication frequency in the environment, mostly flat or frequency selective channel debilitating weakness channel. Rayleigh distribution model for most of the extension study, when there are multi-channel input, its envelope can be used to test the choice of channels ~ Platform: |
Size: 3072 |
Author:Dephiroth |
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Search - frequency selective channel