Device and method for precoding vectors in a communication system

摘要

A device and method for precoding vectors in a communication system is provided. A transmitter may precode a data vector using information regarding a communication channel prior to transmitting the data vector. The transmitter may precode the data vector in a manner that reduces an energy value of a resulting transmit data vector so as to minimize interference in a received signal at a receiver. The transmitter may perturb entries of the data vector one-by-one in an iterative fashion until a minimum in an energy value of the transmit data vector is obtained.

主权项

1. A method in communication comprising:
determining, by a precoder, a transmit vector x using an information symbol vector u, comprising perturbing the information symbol vector u one entry at a time until an energy value of the transmit vector x does not decrease as a result of the perturbing; and in response to the energy value of the transmit vector x not decreasing as a result of the perturbing, transmitting, by the precoder, the transmit vector x.