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.

Block Diagram

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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