Invention Grant
- Patent Title: Reception device, reception signal processing method, control circuit, and recording medium
-
Application No.: US16964443Application Date: 2018-11-02
-
Publication No.: US11196459B2Publication Date: 2021-12-07
- Inventor: Yasunori Noda , Shunsuke Uehashi , Katsuyuki Motoyoshi , Shigeru Uchida
- Applicant: Mitsubishi Electric Corporation
- Applicant Address: JP Tokyo
- Assignee: Mitsubishi Electric Corporation
- Current Assignee: Mitsubishi Electric Corporation
- Current Assignee Address: JP Tokyo
- Agency: Birch, Stewart, Kolasch & Birch, LLP
- Priority: WOPCT/JP2018/009062 20180308
- International Application: PCT/JP2018/040872 WO 20181102
- International Announcement: WO2019/171655 WO 20190912
- Main IPC: H04B7/005
- IPC: H04B7/005 ; H04B1/76 ; H04L25/02 ; H04L25/03 ; H04L27/26

Abstract:
A reception device includes an equalization processing unit including a linear filter unit and a nonlinear filter unit and performing equalization process on a reception signal; a linear propagation channel estimation unit making propagation channel estimation using a known signal included in a reception signal to calculate a filter coefficient of the linear filter unit; and a synchronization processing unit performing synchronization process of correcting frequency deviation based on a signal output by the equalization processing unit, and when a predetermined condition is satisfied after executing first equalization process of outputting a reception signal filtered by the linear filter unit to the synchronization processing unit, the equalization processing unit starts second equalization process that is an adaptive equalization process of outputting a result of addition of a reception signal filtered by the linear filter unit and a reception signal filtered by the nonlinear filter unit to the synchronization processing unit.
Public/Granted literature
- US20210050883A1 RECEPTION DEVICE, RECEPTION SIGNAL PROCESSING METHOD, CONTROL CIRCUIT, AND RECORDING MEDIUM Public/Granted day:2021-02-18
Information query