Found 4 full forms for DQPSK
| Term | Full Form | Category |
|---|---|---|
| DQPSK | Differential Quadrature Phase Shift Keying 
| Others |
| DQPSK | Differential Quaternary Phase Shift Keying
| Others |
| DQPSK | Differential Quaternary Phase-Shift Keying
| Others |
| DQPSK | Differentially Quadrature Phase Shift Keying
| Others |