Issued Patents 1989
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4873683 | TDMA radio system employing BPSK synchronization for QPSK signals subject to random phase variation and multipath fading | David E. Borth, Chih-Fei Wang, Duane C. Rabe | 1989-10-10 |
| 4847869 | Rapid reference acquisition and phase error compensation for radio transmission of data | David E. Borth | 1989-07-11 |
| 4829543 | Phase-coherent TDMA quadrature receiver for multipath fading channels | David E. Borth, Chih-Fei Wang, Duane C. Rabe | 1989-05-09 |
| 4797947 | Microcellular communications system using macrodiversity | — | 1989-01-10 |