Method and apparatus for data transmission

Details Method and apparatus for data transmission Method and apparatus for data transmission

2006-07-04

2006-07-04

Pezzlo, John (Department: 2616)

Multiplex communications

Duplex

Communication over free space

C370S252000, C709S227000, C714S749000

Reexamination Certificate

active

07072309

ABSTRACT:
A method and apparatus for data transmission is provided herein. In accordance with the preferred embodiment of the present invention a loss-ratio estimator (105) estimates a current loss (L) for a communication channel (108). Once the actual loss for the channel is known, a generator (104) compares the actual loss (L) to a target loss (T). A retransmission control parameter (R) is then adjusted by the generator (104) and output to a transmitter103where it is used to control the retransmission behavior and to determine when to abort a bad frame. When a bad frame is aborted, transmitter103indicates the abortion to a receiving device (102). A receiver then utilizes the indication to stop reporting the bad frame in all subsequent ACK/NAKs.

REFERENCES:
patent: 6208620 (2001-03-01), Sen et al.
patent: 2002/0114291 (2002-08-01), Moulsey et al.
patent: 2002/0191544 (2002-12-01), Cheng et al.
patent: 2003/0086403 (2003-05-01), Harris et al.

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