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    Products > Broadband wireless > tc2000

    4G multi-mode Viterbi decoder

    Product code: TC2000

    TC2000 is a flexible Viterbi decoder covering LTE, 3GPP WCDMA and WiMAX 16e/m specifications. It can also be tailored efficiently to single mode core as LTE only for example. Its high throughput architeture enables to reach the following throughput performance on high end process nodes:

    • above 400 Mbits/s in LTE mode, depending on target process.
    • above 200 Mbits/s in WCDMA mode, depending on target process.

    Functional coverage:

    • 3GPP LTE :
      • 64-states convolutional code with tail biting
      • 20 to 1024 bits payload with bit-granularity
      • Rate matching support
        • inverse bit selection including combining in case of repetition
        • inverse bit collection
        • sub-block deinterleaving
      • CRC check (CRC16B/CRC8B) with scrambling mask
    • 3GPP-WCDMA :
      • 256-states convolutional code with tail bits
      • 1 to 504 bits payload with bit-granularity
      • code rate 1/2 and 1/3


    • parameterized traceback length
    • on-the-fly change of mode, block length, code rate and traceback length
    • no external memory required
    • Channel quality estimator
    • Low power Core
    • Silicon proven
    • ASIC Core: Verilog or VHDL RTL source code
    • FPGA Core available on all popular Altera, Lattice and Xilinx devices

    Related Cores: