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ATI's Wireless Communications & Spectrum Design course
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Summary:
Course Outline:
- Transceiver Design. dB power, link budgets, system design tradeoffs, gains/losses, Signal-to-Noise, Probability of Error, Bit Error Rate, Eb/No, link margin, tracking noise and signal level through a complete system, effects and advantages of using spread spectrum techniques.
- Transmitter Design. Various types and system designs of spread spectrum transmitters, PSK, MSK, QAM, OFDM, Other, Pseudo-Random code generator, multiple access TDMA/CDMA/FDMA, antenna sizing, transmit/receive, local oscillator, upconverters, sideband elimination, power amplifiers, standing wave ratios.
- Receiver Design. Dynamic range, image rejection, limiters, minimum discernable signal, superheterodyne receivers, importance of low noise amplifiers, 3rd order intercept point for intermodulation products, two tone dynamic range, tangential sensitivity, phase noise, mixers, spurious signals, filters, A/D converters, aliasing and anti-aliasing filters, digital signal processors DSPs.
- Automatic Gain Control Design & Phase Lock Loop Comparison. AGCs, linearizer, detector, loop filter, integrator, using control theory and feedback systems to analyze AGCs, PLL and AGC comparison.
- Demodulation. Demodulation and despreading techniques for spread spectrum systems, pulsed matched filters, sliding correlators, pulse position modulation, CDMA, coherent demod, despreading, carrier recovery, squaring loops, Costas and modified Costas loops, symbol synch, eye pattern, inter-symbol interference, phase detection, Shannon' s limit.
- Basic Probability and Pulse Theory. Simple approach to understanding Probability, Gaussian process, quantization error, probability of error, bit error rate, probability of detection vs probability of false alarm, error detection and correction, interleaving, types of FECs, digital pulsed systems, pseudo-random codes for spread spectrum systems.
- Multipath. Specular and diffuse reflections, Rayleigh criteria, earth curvature, pulse systems, vector and power analysis.
- Improving the System Against Jammers. Burst jammers, digital filters, adaptive filters simulations and actual design results, quadrature method to eliminate unwanted sidebands, orthogonal methods to reduce jammers, types of intercept receivers.
- Global Navigation Satellite Systems. Basic understand of the Global Positioning System GPS and the spread spectrum BPSK modulated signal from space, Satellite transmission, signal structure, GPS receiver, errors, narrow correlator, selective availability SA, carrier smoothed code, Differential DGPS, Relative GPS, widelane/narrowlane, carrier phase tracking KCPT, double difference.
- Satellite Communications. Communication Satellites, General Satellite Operation, Fixed Satellite Service, Geosynchronous and Geostationary Orbits, Ground Station Antennas, Carrier power, Equivalent Temperature Analysis, Multiple Channels in the Same Frequency Band, Multiple Access Schemes, Propagation Delay, Cost for Use of the Satellites, Regulations, Types of Satellites Used for Communications,
- Broadband Communications and Networking. Mobile Users, Home networking, Power Line Communicatins PLC, Orthogonal Frequency Division Multiplexing OFDM, IEEE 802.11, Bluetooth, Military Radios and Data Links, The Joint Tactical Radio System (JTRS), Software Design Radios, The Software Communications Architecture, Clusters, JTRS Network Challenge, Gateway and Network Configurations, Link 16, TDMA, “Stacked” nets, Time Slot Re-allocation, Bit/Message Structure.
- DF & Interferometer Analysis. Positioning and direction finding using a simpified interferometer analysis, direction cosines, basic interferometer equation, three dimensional approach, antenna position matrix, coordinate conversion for moving baseline.
Tuition:
Tuition for this three-day course is $1690 per person at one of our scheduled public courses. Onsite pricing is available. Please call us at 410-956-8805 or send an email to ati@ATIcourses.com.
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