Adaptive methods for packet transmission over wireless networks

Details Adaptive methods for packet transmission over wireless networks Adaptive methods for packet transmission over wireless networks

1996-05-31

2000-12-05

Jung, Min

Multiplex communications

Diagnostic testing

Determination of communication parameters

370328, 370445, 370465, 455522, H04J 314

Patent

active

061576166

ABSTRACT:
A method for transmission of digital information packets over a transmission channel. A transmitter computes a current value of a carrier-sense defer threshold and a transmit power level, based an observed ratios between recent packet transmission successes, recent packet collisions, recent packet deferrals, and an estimate of a path-loss characteristic of the transmission channel. The computed power level and carrier-sense defer threshold are selected to obtain a desired ratio of at least two of future packet success, future packet collisions, or future packet deferrals. The current carrier-sense defer threshold value is used to determine when a carrier signal for another transmitter's digital information packet is present on the transmission channel; transmission is deferred until the channel is determined to be clear of other packets. The packet is then transmitted at the computed power level.

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