Patent ID: 8654894

Claim:
A method of processing transmissions in a wireless communication system in a blind transport format detection process to detect whether a transport block is a zero transport block that has a data rate equal to zero or non-zero transport block that has full rate data, the method comprising: receiving a plurality of samples of the transport block; estimating a signal power and a disturbance power for the plurality of samples; determining for each sample at least one bit reliability indicator which is related to a probability that a bit decoded from the sample is a one or a zero; and using the signal power and the disturbance power estimates as well as the at least one determined bit reliability indicator for blind transport format detection, the steps of blind transport format detection comprising: dividing the estimated signal power and the disturbance power to determine a signal-to-disturbance ratio for the plurality of samples of the transport block; averaging the signal-to-disturbance ratios over the plurality of samples of the transport block to generate an average signal-to-disturbance ratio; applying a natural logarithm of the hyperbolic cosine (In cosh(·)) to the determined bit reliability indicators from the plurality of samples; averaging of the natural logarithm of the hyperbolic cosine function of the bit reliability indicators to generate an average of the natural logarithm of the hyperbolic cosine function of the bit reliability indicators; and using the average of the natural logarithm of the hyperbolic cosine function of the bit reliability indicators and a factor proportional to the average signal-to-disturbance ratio to determine whether the transport block is a zero transport block that has a data rate equal to zero or non-zero transport block that has full rate data.