Method and system for improved interference cancellation by path selection
First Claim
Patent Images
1. A method for improving performance of interference cancellation in a radio communication system, comprising steps of:
- estimating power of an interference signal contained in a received signal;
estimating power of an additive estimate error signal added to the interference signal; and
canceling the interference signal from the received signal if the estimated power of the additive estimate error signal is lower than the estimated power of the interference signal;
wherein the interference signal is caused by multi-path or muti-antenna transmission or self-interference; and
the additive estimate error signal is the error between the interference signal and a reconstructed interference signal according to channel estimation.
1 Assignment
0 Petitions
Accused Products
Abstract
The present invention discloses method and system for improving performance of interference cancellation in a radio communication system. The method comprises: estimating power of an interfering signal contained in a received signal; estimating power of an additive estimate error signal added to the interfering signal; and canceling the interfering signal from the received signal if the estimated power of the additive estimate error signal is lower than the estimated power of the interfering signal. A cellular mobile terminal and a cellular base station comprising the system are also disclosed.
-
Citations
21 Claims
-
1. A method for improving performance of interference cancellation in a radio communication system, comprising steps of:
-
estimating power of an interference signal contained in a received signal; estimating power of an additive estimate error signal added to the interference signal; and canceling the interference signal from the received signal if the estimated power of the additive estimate error signal is lower than the estimated power of the interference signal; wherein the interference signal is caused by multi-path or muti-antenna transmission or self-interference; and
the additive estimate error signal is the error between the interference signal and a reconstructed interference signal according to channel estimation. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
-
-
11. An apparatus for improving performance of interference cancellation in a radio communication system, comprising at least one processor for performing:
-
a first estimator configured to estimate power of an interference signal contained in a received signal; a second estimator configured to estimate power of an additive estimate error signal added to the interference signal; and a module configured to cancel the interference signal from the received signal if the estimated power of the additive estimate error signal is lower than the estimated power of the interference signal; wherein the interference signal is caused by multi-path or muti-antenna transmission or self-interference; and
the additive estimate error signal is the error between the interference signal and a reconstructed interference signal according to channel estimation. - View Dependent Claims (12, 13, 14, 15, 16, 17, 18, 19, 20, 21)
-
Specification