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Signal processing labs for communication systems

Run the math. Verify the sim. Ship the curve — for practicing DSP and wireless engineers.

Featured calculators

Jump into a tool — shareable links, no signup.

BER vs Eb/N0BPSK, QPSK, QAM theoretical curvesMatch your Monte CarloOpen calculator →
Eb/N0 ↔ SNRBit / symbol energy and sample SNRCopy Python noise varianceOpen calculator →
RRC filter and bandwidthRoot-raised cosine with live plotCopy design paramsOpen calculator →
Shannon capacityShannon–Hartley channel capacityPlot C vs SNROpen calculator →
OFDM CP overheadSubcarriers and cyclic prefix costSymbol timingOpen calculator →
3GPP TDL channelsTR 38.901 TDL and coherence bandwidthPDP viewOpen calculator →
See all tools →

Learning paths

Eight curated sequences — articles, Matlab/Python sims, and tools. See full paths →

1. Digital modulations & BERBPSK theory → modem → Monte Carlo → QPSK/M-PSK → BER toolOpen path →
2. OFDM & cyclic prefixIntro → CP demo → OFDM BER → overhead toolOpen path →
3. FFT, windows & ENBWComplex DFT → Plot FFT → windows → ENBW → toolsOpen path →
4. Pulse shaping & ISINyquist → SRRC / matched filter → RRC calculatorOpen path →
5. Sampling & aliasingAnalog/discrete → baseband → bandpass → demosOpen path →
6. Analytic signal & HilbertHilbert → envelope/phase → phase demod → demoOpen path →
7. Wireless channel & link budgetFriis → two-ray → log-distance → FSPL calculatorOpen path →
8. Fading & diversityRayleigh → BER → Rician → TDL → diversity demoOpen path →

Books and ebooks

Simulation models from scratch — Matlab and Python.

Digital Modulations using PythonPDF ebook with runnable codeView ebook →
Digital Modulations using MatlabBuild simulation models from scratchView ebook →
Wireless Comm Systems in MatlabEnd-to-end wireless sims — PDF and printView ebook →
SpecsCore AIFree Windows tool — datasheets vs board limitsView product →

One equation. One plot. One Colab. Prefer the article archive? Browse recent posts below, or pick a learning path. Checkout for ebooks is on Books / ebooks.

Recent articles

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