Interference detection and avoidance in a telecommunication network

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United States of America Patent

PATENT NO 9503180
APP PUB NO 20160072578A1
SERIAL NO

14476969

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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Presented herein are techniques for detection and avoidance of interference in a telecommunications network. In one example, a cable modem termination system (CMTS) is configured to receive upstream traffic from a plurality of cable modems. The CMTS detects collision characteristics resulting from substantially simultaneous transmissions from different combinations of the cable modems. Based on the detected collision characteristics, the CMTS designates/identifies collision groups for each of a plurality of the cable modems. After designation of the collision groups, the CMTS schedules upstream transmissions by the plurality of cable modems such that cable modems within the same collision group do not transmit within a same time frame and such that two or more cable modems that are not within the same collision group may transmit within a same time frame.

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Patent Owner(s)

  • CISCO TECHNOLOGY, INC.

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Jin, Hang Plano, US 170 2884
Li, De Fu Wayland, US 10 108
Liu, Tong Acton, US 239 2405
Skrobko, John Berkeley Lake, US 9 250
Sowinski, Pawel Sudbury, US 8 134

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