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Quadrature Amplitude Modulation IP

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Compare 19 Quadrature Amplitude Modulation IP from 10 vendors (1 - 10)
  • M’ary Quadrature Amplitude Modulator IP in VHDL, FPGA and SDR
    • Fully verified and synthesized with source code and netlist, integration guide, license and manual
    Block Diagram -- M’ary Quadrature Amplitude Modulator IP in VHDL, FPGA and SDR
  • Quadrature Amplitude Modulation: Modulator and Demodulator
    • 1. Quadrature amplitude modulation Aside from increased channel capacity, QAM has various other advantages, which are stated below.
    • 2. One of the most significant advantages of QAM is its ability to sustain a high data rate. As a result, the carrier signal can carry a certain amount of bits. Because of these benefits, it is preferred in wireless communication networks.
    • 3. The noise immunity of QAM is quite strong. Noise interference is a bit low as a result of this.
    • 4. It has a low mistake probability value.
    Block Diagram -- Quadrature Amplitude Modulation: Modulator and Demodulator
  • OFDM Baseband Processor
    • Customized transmit and receive physical layer chains.
    • Fully synchronous design enabling high throughput TDD operation.
    Block Diagram -- OFDM Baseband Processor
  • Mobile Phase Recovering Equalizer
    • 17-tap complex-arithmetic LMS Channel Equalizer with adaptation bandwidth and leakage rate control as well as independent coefficient hold and reset controls
    • VV4 Quasi-Coherent Demodulator for signal phase recovery and differential detection
    • Integrated Symbol Slicer provides demodulated soft-decision outputs
    • AGC output controls in proportional and up/dn format for constant-modulus and phase-locked processing
    Block Diagram -- Mobile Phase Recovering Equalizer
  • Configurable Soft Output Demapper
    • Soft output demapper based on the LLR (Log Likelihood Ratio)algorithm.
    • Parameterized number of soft bits per symbol .
    • Parameterized architecture depending on supported modulation levels for optimum resources utilization.
    • Programmable modulation level.
    Block Diagram -- Configurable Soft Output Demapper
  • MMSE MIMO Detector
    • Adaptable to different transmitter/receiver antenna configurations (e.g., 2×2, 4×2 or 4×4).
    • Support for different modulation schemes at run-time (QPSK, 16-QAM, 64-QAM, 256-QAM)
    • QR decomposition included
  • High Performance VSB/QAM Demodulator Core
    • Input interface supports standard IF, low IF, and zero IF tuners.
    • 12-bit data interface provides dynamic range needed for effective suppression of adjacent channel interference.
    • Digital SAW filter reduces external part count.
    • Robust, proprietary acquisition algorithm for better than 100 millisecond acquisition time over a wide range of inputs.
  • ISDB-T Demodulator
    • Full 13-segment ISDB-T demodulator
    • ARIB STD-B31 compliant supporting 1, 2 or 3-layers
    • High-performance demodulation engine for demanding applications
    • Sophisticated channel impairment correction
  • High Data Rate Modulator
    • Versatile digital modulation engine
    • Programmable constellation mapper supports multiple constellations from BPSK to 256QAM
    • Supports offset-QPSK (OQPSK)
    • Supports continuously variable symbol rates
  • High Data Rate Enhanced Demodulator
    • Versatile digital demodulation engine supporting BPSK, QPSK, offset-QPSK (OQPSK), 8PSK, 8QAM* (three variants), 16QAM, 32/64QAM (HDRM-D2 core only) & 16/32APSK (HDRM-D2 core only)
    • Close to theoretical performance
    • Option to increase datapath resolution to help cope with elevated levels of adjacent carrier interference (HDRM-D2 core only)
    • N-stage symbol rate blind adaptive equaliser option reduces linear channel distortions such as multipath (HDRM-D2 core only)
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