Accuracy vs. precision in digital VLSI architectures for signal processing

1998 ◽  
Vol 47 (4) ◽  
pp. 472-477 ◽  
Author(s):  
C. Alippi ◽  
L. Briozzo
Keyword(s):  
Signal Processing ◽  
Vlsi Architectures ◽  
Digital Vlsi

FPGA Based Vehicle to Vehicle Communication in Spartan 3E

2020 ◽  
Vol 8 ◽  
pp. 14-21
Author(s):  
Surya Man Koju ◽  
Nikil Thapa
Keyword(s):  
Signal Processing ◽  
Autonomous Vehicle ◽  
Processing Unit ◽  
Warning Signals ◽  
Vehicle Communication ◽  
Digital Vlsi ◽  
Vehicle To Vehicle ◽  
Vehicle Operation ◽  
Vehicle Technology ◽  
The Voice

This paper presents economic and reconfigurable RF based wireless communication at 2.4 GHz between two vehicles. It implements digital VLSI using two Spartan 3E FPGAs, where one vehicle receives the information of another vehicle and shares its own information to another vehicle. The information includes vehicle’s speed, location, heading and its operation, such as braking status and turning status. It implements autonomous vehicle technology. In this work, FPGA is used as central signal processing unit which is interfaced with two microcontrollers (ATmega328P). Microcontroller-1 is interfaced with compass module, GPS module, DF Player mini and nRF24L01 module. This microcontroller determines the relative position and the relative heading as seen from one vehicle to another. Microcontroller-2 is used to measure the speed of vehicle digitally. The resulting data from these microcontrollers are transmitted separately and serially through UART interface to FPGA. At FPGA, different signal processing such as speed comparison, turn comparison, distance range measurement and vehicle operation processing, are carried out to generate the voice announcement command, warning signals, event signals, and such outputs are utilized to warn drivers about potential accidents and prevent crashes before event happens.

Digital VLSI architectures for beam-enhanced RF aperture arrays

2015 ◽  
Vol 51 (3) ◽  
pp. 1996-2011
Author(s):  
Sewwandi Wijayaratna ◽  
Arjuna Madanayake ◽  
Chamith Wijenayake ◽  
Len T. Bruton
Keyword(s):  
Vlsi Architectures ◽  
Digital Vlsi ◽  
Aperture Arrays
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