08 2020 档案
摘要：Capacity of MIMO Channel we consider the evaluation of the channel capacity of a frequency nonselectiveAWGN MIMO channel characterized by the channel
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摘要：Simulation of MIMO Systems Perform a Monte Carlo simulation to assess the error rate performance of an(Ny,NR) MIMO system in a Rayleigh fading AWGN ch
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摘要：Three different detectors for recovering the transmitted data symbols andevaluate their performance for Rayleigh fading and additive white Gaussian no
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摘要：Consider a wireless communication system that employs multiple transmitting and receivingantennas. We assume that there are NT transmitting antennas a
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摘要：Introduction The SRS configuration is split into 2 parts - UE-specific and cell-specific. The UE-specific part describes the schedule and content of a
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摘要：Introduction This example shows how to measure the false detection probability and missed detection probability of Hybrid Automatic Repeat Request ACK
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摘要：Introduction The performance of the RI estimation is defined in TS36.101 Section 9.5.1.1 is as follows: the ratio of the throughput obtained when tran
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摘要：Introduction The CQI reporting performance test defined in TS36.101 Section 9.3.2.1.1. The performance requirements of the test are as follows: a CQI
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摘要：This example shows how to implement the HARQ Indicator (HI) and physical HI channel (PHICH). You create the processing chain of coding hybrid indicato
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摘要：Introduction The coded DCI messages for each control channel are multiplexed, scrambled, and undergo modulation, layer mapping, and precoding, as show
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摘要：Introduction Control signaling is required to support the transmission of the downlink and uplink transport channels (DL-SCH and UL-SCH). Control info
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摘要：This example shows how to model the control region used in an LTE downlink subframe and its channel structure. It demonstrates how to create a DCI mes
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摘要：This example shows how to find the root mean square (RMS) value of a sine wave, a square wave, and a rectangular pulse train using rms. The waveforms
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摘要：The discrete Fourier transform, or DFT, is the primary tool of digital signal processing. The foundation of the product is the fast Fourier transform
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摘要：he power of a signal is the sum of the absolute squares of its time-domain samples divided by the signal length, or, equivalently, the square of its R
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摘要：Hilbert 变换 Hilbert 变换可用于形成解析信号。解析信号在通信领域中很有用，尤其是在带通信号处理中。工具箱函数 hilbert 计算实数输入序列 x 的 Hilbert 变换，并返回相同长度的复数结果，即 y = hilbert(x)，其中 y 的实部是原始实数数据，虚部是实际 Hil
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摘要：具有指定采样率的偶数长度输入 对于一个采样率为 1 kHz 的偶数长度信号，分别使用 fft 和 periodogram 获得其周期图。比较二者的结果。 创建一个含 N(0,1) 加性噪声的 100 Hz 正弦波信号。采样频率为 1 kHz。信号长度为 1000 个采样点。使用随机数生成器的默认设置
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摘要：生成以 1024 kHz 采样的 chirp 信号的 1024 个采样点。 chirp 信号的初始频率为 50 kHz，采样结束时达到 100 kHz。添加高斯白噪声，使信噪比为 40 dB。 nSamp = 1024; Fs = 1024e3; SNR = 40; t = (0:nSamp-1)'
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摘要：IIR Filter Design One of the drawbacks of FIR filters is that they require a large filter order to meet some design specifications. If the ripples are
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摘要：FIR Filter Design The ideal lowpass filter is one that leaves unchanged all frequency components of a signal below a designated cutoff frequency, ωc,
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