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Digital Tanlock Loop for Tracking r / 4-DQPSK Signals in Digital Cellular Radio
| Content Provider | Semantic Scholar |
|---|---|
| Author | Wei, Che-Ho |
| Copyright Year | 2004 |
| Abstract | AbstructA digital tanlock loop (DTL) is a nonuniformsampling digital phase-locked loop (DPLL) whose ,phase error detector, using the tan-'[.] function with in-phase and quadrature samples of incoming signal, has a linear characteristic with a period of 27r. In this paper, we study the application of an Nphase DTL in digital cellular radio with d4-DQPSK modulation. The performance degradation due to fading effect is investigated in terms of bit error rate and steady state phase error variance by computer simulation. It is shown that, in the digital cellular radio system, the performances on both bit error rate and phase error variance using DTL are far better than that using the traditional digital N-phase I-Q loop. |
| File Format | PDF HTM / HTML |
| Alternate Webpage(s) | https://ir.nctu.edu.tw/bitstream/11536/2377/1/A1994PD34100008.pdf |
| Language | English |
| Access Restriction | Open |
| Content Type | Text |
| Resource Type | Article |
