Method and apparatus incorporating adaptive datalink framing...

Details Method and apparatus incorporating adaptive datalink framing... Method and apparatus incorporating adaptive datalink framing...

2006-12-05

2006-12-05

Ngo, Ricky Q. (Department: 2616)

Multiplex communications

Data flow congestion prevention or control

Control of data admission to the network

C370S230000, C370S230100, C370S252000, C370S465000

Reexamination Certificate

active

07145876

ABSTRACT:
A communication device (300) operates in a training mode to develop parameters based on estimates related to at least two different instances of channel conditions, such as indicated by bit error rates for channel transmissions (610, 620, 710, 720). The parameters are used to define a function that characterizes an optimized throughput or energy consumption per bit through varying channel conditions. The function is preferably of the form a0+a1*Log(1+Lp), where a0 and a1 are fitted parameters, and Lpthe frame size. The device responds to changes in channel conditions by transmitting messages on the communication channel using a frame size adapted for channel conditions based on the particular function and the developed parameters (640–680, 740–780).

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“Adaptive Frame Length Control for Improving Wireless Link, Throughput, Range, and Energy Efficiency”, Paul Letteri and Mani B. Srivastava, 1998 IEEE, pp. 564-571.

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