System and method for enhancing reception in wireless communication systems

An apparatus, comprising:

• at least one programmable processor;
• and
• a non-transitory machine-readable medium storing instructions that, when executed by the at least one programmable processor, cause the at least one programmable processor to perform operations comprising:
• equalizing data signals on adjacent symbols on at least one side of a reference symbol, the adjacent symbols being included in a plurality of symbols in a constellation of symbols included in a signal received on a communication channel,
• measuring rotation of an average received constellation point around the reference symbol, the measured rotation corresponding to an angle,
• compensating, using the angle, the plurality of symbols in the constellation of symbols,
• determining a cumulative angle by repeating, one or more times, the measuring of the rotation of the average received constellation point and the compensating of the plurality of symbols in the constellation of symbols;
• and
• compensating next adjacent symbols with a weighted value of the determined cumulative angle.

A computer program product comprising a non-transitory machine-readable medium storing instructions that, when executed by at least one programmable processor, cause the at least one programmable processor to perform operations comprising:

• equalizing data signals on adjacent symbols on at least one side of a reference symbol, the adjacent symbols being included in a plurality of symbols in a constellation of symbols included in a signal received at a base station from a user equipment on an uplink communication channel;
• measuring rotation of an average received constellation point around the reference symbol, the measured rotation corresponding to an angle;
• compensating, using the angle, the plurality of symbols in the constellation of symbols;
• determining a cumulative angle by repeating, one or more times, the measuring of the rotation of the average received constellation point and the compensating of the plurality of symbols in the constellation of symbols;
• and
• compensating next adjacent symbols with a weighted value of the determined cumulative angle.

A computer-implemented method for enhancing reception of signals in a wireless communication system, comprising:

• receiving a signal containing a frame including a plurality of symbols on a communication channel;
• detecting an angular position of at least one symbol in the plurality of symbols in a constellation of symbols, wherein the plurality of symbols include equalized symbols;
• determining an angular difference corresponding to a phase error between the detected angular position of the at least one symbol and an expected reference angular position in the constellation of symbols corresponding to an expected reference symbol corresponding to the received frame;
• and
• compensating, using the determined phase error, a phase of the at least one symbol,
• wherein the phase of the at least one symbol is compensated using weighted angular positions of at least a portion of the plurality of symbols determined as function of a weighting factor across at least the portion of the plurality of symbols.