A differential QPSK modem using the TMS320C6711 DSK

S. Weiss, Matthew Bennett, E. Gibson, N. Tisdale

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We report on a student project implementing a D-QPSK modem on a TI C6711 DSK. The modem incorporates functionalities such as QPSK symbol generation, differential encoding and decoding, transmit- and receive filtering, quadrature modulation, timing synchronisation, and bit error detection. Both transmitter and receiver have to be operated concurrently and in real time. The DSK's on-board digital to analogue and analogue to digital converters were employed to interface the transmitted and received signals of the modem. Based on a set of specifications, the various solutions implemented by the students had to be compatible and be able to synchronise with each other.
Original languageEnglish
Number of pages4
Publication statusPublished - 2004
EventEuropean DSP Education and Research Symposium - Birmingham, United Kingdom
Duration: 16 Nov 2004 → …


ConferenceEuropean DSP Education and Research Symposium
Abbreviated titleEDERS 2004
Country/TerritoryUnited Kingdom
Period16/11/04 → …


  • differential
  • qpsk modem
  • tms320c6711 dsk


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