The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Oct. 19, 2004
Filed:
Jun. 20, 2000
Nurettin B. Beser, Arlington Heights, IL (US);
3COM Corporation, Santa Clara, CA (US);
Abstract
A modem, communications system and method are provided with a transmitter and a receiver connected to a modem termination system (CMTS) by a medium. The modem has a memory forming a transmit queue including voice and video. The modem has a controller for sending data units from the receive queue to CMTS. The modem requests unsolicited grant service (UGS) from CMTS when the frame controller detects periodic stream to transmit. Upon detecting a data accumulation in the receive queue, the controller asserts a queue indicator. The Modem receives an occasional extra grant per interval and uses these grants until the queue indicator is not asserted. According to another feature, during transmission, the modem requests subsequent grants in a subsequent interval using an extended header having multiple bits for requesting the multiple grants. The CMTS allocates at least an extra grant to form a grant burst in response to the request.