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An Embedded Timing Loss Detector for Robust Data Transmission : 데이타 전송을 위한 타이밍 손실 검출기
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- Authors
- Issue Date
- 1993-09
- Citation
- 한국통신학회논문지 vol.18 no.9 pp.1404-1411
- Keywords
- timing synchronization ; up/down counter scheme
- Abstract
- Unlike voice communication, data transmission, can be seriously affected by transient channel impairments. In some cases, timing synchronization between the transmitter and the receiver may not be recovered in the presence of these kinds of impairments without a forced reinitialization process. Therefore, it is highly desirable for data communication equipment to have an efficient timing loss detector for robust recovery. In this paper, one such detector is proposed for data transceivers having a secondary channel embedded in the main channel. A know sequence multiplexed with the secondary channel embedded in the main channel. A known sequence multiplexed with the secondary channel data is repeatedly sent through the embedded secondary channel. For continuous watch-dog like operation, the detection is sequentially performed based on a modified up/down counter scheme. The performance of the proposed detector is analytically evaluated in closed form.
- ISSN
- 1226-4717
- Language
- English
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