Patent ID: 8432849
Filing Date: 2013-04-30
Classification: H04W

Abstract:
1. A method comprising: modeling a performance of a physical layer of a network for a plurality of data modulation and coding schemes for a particular application program running on a computer and communicating data over the physical layer of the network, the computer including a processor, wherein the computer is in communication with the network, wherein said modeling comprises: receiving performance data of said physical layer for said plurality of data modulation and coding schemes, wherein said performance data comprises a plurality of performance curves, wherein the plurality of performance curves comprises a plurality of sigmoidal curves, each of said plurality of sigmoidal curves representing a sigmoidal relationship between the throughput of said physical layer and a condition of a data transmission channel used by said physical layer for each of said plurality of data modulation and coding schemes, wherein said condition comprises a signal to interference plus noise ratio (“SINR”) of said data transmission channel, and modeling the plurality of performance curves using a single sigmoid function to approximate an envelope formed by upper knees of said plurality of sigmoidal curves, and adapting said single sigmoid function to changing conditions of said data transmission channel; and predicting the performance of said network for the particular application program based at least in part on the single sigmoid function based performance model of said physical layer by the processor.