System and method for common phase error and inter-carrier interference estimation and compensation
First Claim
Patent Images
1. A method, comprising:
- estimating a channel using demodulation reference signal subcarriers from a received signal;
estimating a common phase error term using the estimated channel and phase tracking reference signal subcarriers; and
estimating one or more inter-carrier interference terms, including;
canceling, from the received signal, the estimated common phase error term to form a first compensated received signal; and
estimating, based on the first compensated received signal, a first inter-carrier interference term.
1 Assignment
0 Petitions
Accused Products
Abstract
A system and method for transmitting an orthogonal frequency-division multiplexed signal with a group distributed phase tracking reference signal subcarrier structure, and for estimating, and compensating for, both common phase error, and inter-carrier interference.
-
Citations
17 Claims
-
1. A method, comprising:
-
estimating a channel using demodulation reference signal subcarriers from a received signal; estimating a common phase error term using the estimated channel and phase tracking reference signal subcarriers; and estimating one or more inter-carrier interference terms, including; canceling, from the received signal, the estimated common phase error term to form a first compensated received signal; and estimating, based on the first compensated received signal, a first inter-carrier interference term. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9)
-
-
10. A method comprising:
-
estimating a channel using demodulation reference signal subcarriers from a received signal; estimating a common phase error term using the estimated channel and phase tracking reference signal subcarriers; and estimating one or more inter-carrier interference terms, including; canceling, from the received signal, the estimated common phase error term to form a first compensated received signal; and jointly estimating, based on the first compensated received signal, L inter-carrier interference terms, L being a set integer greater than 0. - View Dependent Claims (11, 12, 13, 14, 15, 16, 17)
-
Specification