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Weekly Group Meeting on 06-08-2008 WiMAX Kernel Definitions

Weekly Group Meeting on 06-08-2008 WiMAX Kernel Definitions. By Assad Saleem. WiMAX Transceiver. Scramble. Channel coding. Inter- leaving. Mapping. Pilot Insertion. IFFT. Append CP. Symbol shaping. X M T. C H A N N E L. Bit-based processing. Complex-valued processing.

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Weekly Group Meeting on 06-08-2008 WiMAX Kernel Definitions

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  1. Weekly Group Meetingon 06-08-2008WiMAX Kernel Definitions By Assad Saleem

  2. WiMAX Transceiver Scramble Channel coding Inter- leaving Mapping Pilot Insertion IFFT Append CP Symbol shaping X M T C H A N N E L Bit-based processing Complex-valued processing Descramble Channel Decoding De- interleaving Demapping Channel equalization FFT Remove CP Frequency Offset compensation Filtering R C V

  3. Kernels Append/Remove Cyclic Prefix IFFT/FFT Sub-channelization/ De-subchannelization Frequency Offset estimation Frequency Offset correction Pilot Insertion Channel Equalization Synchronization Symbol Mapping/ De-mapping Channel Coding/Decoding Scramble/ Descramble Interleaving/De-interleaving Receive/Decimation filter Kernels for WiMAX Tx/Rx baseband Processing

  4. Hardware considerations for Programmable WiMAX Processing

  5. WiMAX Job overview • Max. bit rate: 46.6 Mbit/s • Sample rate: 13.8MHz • FFT size: 256 • Symbol rate: 43kHz with radix-2 FFT • Processing: 44 Mbf/s • Memory bandwidth: 256 Msample/s • Memory size: 1536 sample with radix-4 FFT • Processing: 11 Mbf/s • Memory bandwidth: 133 Msample/s • Memory size: 1280 sample • Equivalent DSP MIPS: 440

  6. Thank You.

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