Methods and systems for reducing co-channel interference using multiple timings for a received signal

A receiver comprising:

• means for generating pulse-shape information for at least one received signal;
• means for producing channel estimates for a plurality of different transmitted signals having different symbol sequences, using the at least one received signal and the pulse-shape information;
• means for computing metrics using the at least one received signal and the channel estimates;
• and
• means for detecting information symbols corresponding to the plurality of transmitted signals having different symbol sequences, using the metrics.

A receiver comprising:

• means for estimating a plurality of timings for at least one received signal, the plurality of timings corresponding to a plurality of different transmitted signals having different symbol sequences;
• means for sampling the at least one received signal in accordance with the plurality of timings corresponding to a plurality of different transmitted signals having different symbol sequences, to produce a plurality of sample streams;
• means for initializing channel estimates for the plurality of transmitted channels and for initializing metrics;
• means for computing updated metrics using the sample streams the initialized channel estimates and the initialized metrics;
• means for detecting information symbols corresponding to at least one of the transmitted signals, using the updated metrics;
• and
• means for updating the channel estimates using the updated metrics.

A method of receiving at least one signal that corresponds to a plurality of different transmitted signals having different symbol sequences, comprising the steps of:

• estimating a plurality of timings for the at least one received signal, the plurality of timings corresponding to the plurality of different transmitted signals having different symbol sequences;
• sampling the at least one received signal in accordance with the plurality of timings to produce a plurality of sample streams;
• producing channel estimates for the plurality of transmitted signals;
• computing metrics using the sample streams and the channel estimates;
• and
• detecting information symbols corresponding to the plurality of transmitted signals, using the metrics.

A method of receiving at least one signal that corresponds to a plurality of different transmitted signals having different symbol sequences, comprising the steps of:

• generating pulse-shape information for the at least one received signal;
• producing channel estimates for the plurality of different transmitted signals having different symbol sequences, using the at least one received signal and the pulse-shape information;
• computing metrics using the at least one received signal and the channel estimates;
• and
• detecting information symbols corresponding to the plurality of transmitted signals, using the metrics.

A method of receiving at least one signal that corresponds to a plurality of different transmitted signals having different symbol sequences, comprising the steps of:

• estimating a plurality of timings for the at least one received signal, the plurality of timings corresponding to the plurality of different transmitted signals having different symbol sequences;
• sampling the at least one received signal in accordance with the plurality of timings to produce a plurality of sample streams;
• initializing channel estimates for the plurality of transmitted channels and initializing metrics;
• computing updated metrics using the sample streams, the initialized channel estimates and the initialized metrics;
• detecting information symbols corresponding to at least one of the transmitted signals, using the updated metrics;
• and
• updating the channel estimates using the updated metrics.