Digital data link performance monitor

Details Digital data link performance monitor Digital data link performance monitor

1991-03-28

1993-06-15

Kuntz, Curtis

Pulse or digital communications

Repeaters

Testing

375118, 3701053, 370108, H04B 346, H03D 324

Patent

active

052205819

ABSTRACT:
A digital data link performance monitor technique for communication systems and information and data processing systems is disclosed. The technique is based on the integration and analysis of a plurality of sorted data edge transitions of a serial data stream received over the digital data link. The number of data edge sorts to each of n time intervals definitive of the edge histogram is compared with a predetermined threshold level and a monitor signal is generated with each comparison. The combination of monitor signals is then analyzed to determine the amount of data timing jitter, and therefore the quality of the link. Corresponding methods and circuits are described.

REFERENCES:
patent: 4211920 (1980-07-01), Wakabayashi
patent: 4278850 (1981-07-01), Sato et al.
patent: 4367550 (1983-01-01), Douverne
patent: 4435849 (1984-03-01), Ilgner et al.
patent: 4501021 (1985-02-01), Weiss
patent: 4580263 (1986-04-01), Watanabe
patent: 4628507 (1986-12-01), Otani
patent: 4660973 (1987-04-01), Mannschke
patent: 4672639 (1987-06-01), Tanabe et al.
patent: 4677648 (1987-06-01), Zurfluh
patent: 4710976 (1987-12-01), Wakabayashi
patent: 4841551 (1989-06-01), Avaneas
patent: 4984249 (1991-01-01), Long et al.
patent: 5003561 (1991-03-01), Dragotin
patent: 5022056 (1991-06-01), Henderson et al.
patent: 5022057 (1991-06-01), Nishi et al.
patent: 5095498 (1992-03-01), DeLuca et al.
Cooke et al., "Integrated Circuits of a 200 Mbit/s Fiber-Optic Link," IEEE J. Solid State Cir., vol. SC-21, No. 6, 1986. pp. 909-915.
Uda et al., "Integ. Opt. Fiber Data Link Transmitter/Receiv. for Area Net. Appln.," Fiber & Integ. Optics, vol. 5, No. 5, 1985. pp. 273-289.
"Amer. Nat. Standard for Info. Sys. Fiber Distribution Data Interface (FDDI). Phys. Layer Med. Dep. (PMD)", Amer. National Standards Inst., Inc., Appendix E-System Jitter Allocations, Rev. 4, Apr., 1989.
Transmission Systems for Communications AT&T Bell Lab, Chapter 30, pp. 703-715 & 756 & 757, Ed. 5.

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