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ATS-04 (2D)

ATS04 is a software programmable hardware transceiver which allows limitless antenna communication laboratory experiments to be performed on a single device. The entry barrier is lowered to include undergraduate students by providing a graphical programming environment. The burden on faculty is lowered by using courseware designed at Amitec from simple antenna measurement to most complex MIMO techniques. Antenna VSWR and Smith chart plotting is possible using a directional coupler and coaxial slotted lines. Software operated stepper motor controlled antenna rotator enables polar plotting of over 10 antennas provided. Lab technicians are eased by integrated hardware and software from the same source for trouble-free performance. Open source Gnu Radio based GUI allows experiments in fading, Doppler, diversity, coherence, channel emulation, multipath, and other abstract concepts. Current and voltage probes are provided for near-field analysis. Broadband log-periodic/Vivaldi antenna with calibrated gain/frequency reference is provided to characterize any antenna under test.

The USB 3.0 interface at 5Gbps serves as the connection between the ATS03 LAB and the mobile workstation to realize 40 MS/s of real-time bandwidth in the receive and transmit directions, simultaneously (full duplex). The systems offer high bandwidth and dynamic range. External PPS and reference inputs can also be used to create larger multi-channel systems. ASIC houses complete RF and DAQ subsystems on a single board for exceptional EMI-EMC compliant repeatable performance. The unique software and hardware architecture is future ready and obsolescence-proof.

ATS04 Lab Brochure

FEATURES

  • 0.3-3.8GHz Antenna Communication Training & Measurement Lab with 10 antennas
  • Fully Software controlled RF Transceiver with stepper motor
  • Transmit and receive any waveform, any modulation, any frequency, any protocol using any antenna
  • Calibrated Signal Generator with precise power, frequency
  • Calibrated Spectrum Analyser with precise power, frequency
  • Directional Coupler & Coaxial Slotted line for Return loss, VSWR plotting
  • -10dBm Transmit power & -120dBm Sensitivity Receiver
  • All SMA connector antennas with RG316 cables
  • Learn next-generation communication & convergence technologies (4G Antenna Communication Lab including complex digital modulation techniques like QPSK, QAM, etc.)
  • Works with Linux GnuRadio, Compatible to LabVIEW™, MATLAB Simulink™ but does not need one!
  • No recurring cost of software. Ever!
  • ASIC Architecture: 0.3-3.8 GHz combines LNA, PA driver, RX/TX Mixers, RX/TX Filters, Synthesizers, RX Gain control, TX power control
  • FPGA program transmit & receive for high performance
  • Modulation Bandwidth Programmable upto 30 MHz
  • Supports both TDD &FDD Full Duplex upto 30MHz
  • Calibrated +0.1ppm TCXO
  • Dual 40 MS/s, 12-bit ADC & Dual 40 MS/s, 12-bit DAC
  • Up to 5GbpS/s USB 3.0 Data Streaming to Computer
  • Works as spectrum analyzer, vector signal source & vector signal analyzer.
  • Covers broadcast television, satellite TV communication.
  • Future-ready from simple FM to QPSK, QAM standard to whatever future may hold.

SCOPE OF EXPERIMENTATION

  • Introduction to Hardware and Software.
  • Radiation pattern of an Omni and directional antenna.
  • Vertical, Horizontal and Circularly polarized antennas.
  • Polarization discrimination linear & circular antennas
  • Resonant and non-resonant antenna, Reciprocity of antenna
  • The current distribution of antenna, Comparative study of antennas
  • Radiation pattern E & H Plane - Polar & Cartesian Plots
  • Directive gain, beam width (Half Power/10dB), front to back ratio, the plane of polarization, side lobe level & angle.
  • Antenna parameters: Antenna resonance, VSWR and bandwidth using directional coupler of 20 antennas
  • On air transmission & reception using Analog modulation & demodulation techniques like AM, DSBSC, SSB, Narrowband FM, Wideband FM, Stereo FM.
  • On air transmission & reception using Digital Modulation & Demodulation techniques like ASK, FSK, BPSK, DBPSK, MSK, GMSK, DQPSK, QPSK, OQPSK, pi/4QPSK, 8PSK,16QAM, 64QAM, 256QAM, CPFSK, GFSK, and other variants,
  • Multiplexing techniques like TDM, FDM/WDM, SDM, Polarization, Spatial, Packet Switching, MC-SS, OFDM etc.
  • Analog Channel Models like Noise (Uniform, Linear, Laplacian, Gaussian, Phase noise), Interference (Cross talk, Co-channel, Inter symbol), Distortion (Intermodulation), Frequency response (Attenuation & phase shift), Group delay, Propagation Doppler shift, Fading modeling slow, fast, selective/dispersive, Multipath, Rayleigh, Rician)
  • Channel Coding & decoding-Convolutional, Viterbi, Trellis.
  • Channel performance measurements (spectral bandwidth, Symbol Rate, Bit Rate, Channel Capacity, Channel Utilization, Signal to noise ratio, Bit Error Rate BER, Latency, Jitter, Eye Diagram, Constellation diagram, Oscilloscope, Spectrum Analyser, Waterfall display.
  • Line Coding & Decoding Digital Baseband
  • Filters-IIR, FIR, Pulse Shaping-RRC root raised cosine, High pass, Low pass, Bandpass, Band stop, FFT, frequency translating filter,
  • Synchronizers-Costas Loop, Clock Recovery, Frequency locked loop, phase locked loop, correlate and sync, carrier acquisition,
  • Modeling mathematical equations
  • On air link for Voice, Data, Video,

 

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