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US 6,650,654 B1Granted
Early preamble transmission
AssigneeTexas Instruments Incorporated
InventorsSean N. Batty, Anthony S. Rowell
Life of this patent
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Abstract
The present invention is a method of reducing latency in transmitting frames of data in a shared access media environment whereby the preamble of the next frame to be transmitted is transmitted while the data portion of the next frame to be transmitted is being retrieved. In another aspect, the early transmission of the preamble of the next frame is started no later than the time it normally takes to fetch and prepare the next frame for transmission less the time it takes to transmit the preamble.
Claims8
A method of reducing latency in a data communications system comprising the steps of:
- (a) at a predetermined time before transmission of a previous frame is completed, generating a next frame to be transmitted;
- (b) transmitting a first portion of the next frame to be transmitted before the generating step is completed;
- (c) retrieving a next portion of said next frame to be transmitted;
- (d) transmitting said next portion of said next frame to be transmitted;
- and
- (e) repeating steps (c) and (d) until all of said next frame is transmitted.
3 more elements
Dependencies are inferred from the claim text.