µP‑D

Low-rate data over GSM voice channel

This project involved working with a start-up company developing technology to transmit low-rate data over the GSM voice channel. The initial prototype successfully enabled proof-of-concept demonstrations and gave a platform for the software development. The design involved the integration of DSP, RISC processor, RAM and DATAFLASH memory and FPGA. The second prototype incorporated a GSM module, battery charging and power management and was ready for investor demonstrations in time.

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