Software Defined Radio Processor for V2X Communication

SAF5100

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The SAF5100 is available in a Ball Grid Array (BGA) package occupying small Printed-Circuit Board (PCB) real estate and is suitable for multi-layer PCBs.

The SAF5100 this baseband processor includes Analog-to-Digital Converters (ADC) and Digital-to-Analog Converters (DAC) for interfacing with an external transceiver. Digital components included are:

  • Digital Signal Processors (DSP) for advanced radio (de)modulation
  • Hardware Accelerators (HWA) for IEEE 802.11p WiFi standard PHYsical layer (PHY) reception
  • A microcontroller core for IEEE 1609.4 Medium Access Control (MAC)/Logical Link Control (LLC) processing
  • Several standard interfaces such as Universal Serial Bus (USB) and SPI are included for connecting to an external host

The SAF5100 is available with an executable of a firmware comprising PHY/MAC (IEEE 802.11p and ETSI EN 302 663) and LLC (IEEE 1609.4 and ETSI EN 302 663) to be loaded into the RAM of the SAF5100.

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Software Defined Radio Processor for V2X Communication Block Diagram

Software Defined Radio Processor for V2X Communication Block Diagram
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Features

  • Compliant with IEEE 802.11p and IEEE 1609.4
  • Compliant with ETSI EN 302 663
  • Compliant with ARIB T55 and ARIB T75 standards
  • Dual channel handling for diversity and concurrent control and service channel reception
  • Dual channel handling for cyclic transmit diversity transmission
  • Digital baseband processing, including In-phase Quadrature Compensation (IQC), Automatic Gain Control (AGC) control, decimation
  • DSP processing for demodulation and improvement algorithms
  • Outer receiver HWA for channel decoding and encoding
  • Arm processor domain for control Software (SW), interfacing and ITS MAC/LLC handling
  • Configurable booting from external serial flash or through the host (USB, SPI)
  • USB 2.0 high-speed peripheral interface
  • Qualified in accordance with AEC-Q100 Qualified
  • Synchronous Dynamic Random Access Memory (SDRAM) interface is not used for ITS applications
  • Serial communication ports, including Inter-Integrated Circuit bus (I2C-bus), Serial Peripheral Interface (SPI), Universal Asynchronous Receiver/Transmitter (UART)
  • Hardware timers and pulse width modulation blocks
  • Optional Elliptic Curve Digital Signature Algorithm (ECDSA) accelerator for authentication verification of messages

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