Patent ID: 8605771

Claim:
A method of determining a data to pilot power ratio in a CDMA wireless communication network, comprising: receiving pilot symbols in a pilot channel and data symbols in a data channel; obtaining a biased estimate of the data to pilot power ratio based on the data symbols, wherein obtaining the biased estimate of the data to pilot power ratio based on the data symbols further comprises: obtaining an average combined data symbol power; computing pilot-based net channel coefficients; combining the pilot symbols; computing the mean and variance of the combined pilot symbols; computing an estimate of a pilot SINR based on at least the variance of the combined pilot symbols; and computing the biased estimate of the data to pilot power ratio based on the average combined data symbol power and pilot-based net channel coefficients; computing a multiplicative correction factor from the pilot channel; and applying the correction factor to the biased estimate data to pilot power ratio to obtain a more accurate data to pilot power ratio estimate.