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US Patent 7606188 Explicit congestion notification for DOCSIS based broadband communication systems

Patent 7606188 was granted and assigned to Broadcom (company) on October, 2009 by the United States Patent and Trademark Office.

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Patent

Patent attributes

Current Assignee

Patent Jurisdiction

United States Patent and Trademark Office

Patent Number

7606188

Date of Patent

October 20, 2009

Patent Application Number

11633630

Date Filed

December 5, 2006

Patent Citations Received

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US Patent 11678219 Method for avoiding congestion in a data network with transmitting devices such as modems communicating with satellites by statistically modifying the transmission slot of the devices

Patent Primary Examiner

Chi H Pham

Patent abstract

Satellite communications are carried out using the Data Over Cable Interface Specification (DOCSIS). Satellite modems are notified of upstream channel congestion by inserting a congestion notification message in a medium access protocol (MAP) message for the upstream channel. Specifically, the congestion notification message is inserted in an unused field of the MAP message, such as the explicit congestion notification (ECN) field. The MAP message can also carry other characteristics of the upstream channel, including priority threshold, multicast access burst availability, and available bandwidth.

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