Invention Grant
- Patent Title: Method and apparatus for providing frame synchronization in a digital communication system that supports multiple modulation formats
- Patent Title (中): 在支持多种调制格式的数字通信系统中提供帧同步的方法和装置
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Application No.: US10955321Application Date: 2004-09-30
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Publication No.: US08126089B2Publication Date: 2012-02-28
- Inventor: Raul Benet Ballester , Adriaan J. De Lind Van Wijngaarden , Ralf Dohmen , Bernd Dotterweich , Miguel Robledo , Swen Wunderlich
- Applicant: Raul Benet Ballester , Adriaan J. De Lind Van Wijngaarden , Ralf Dohmen , Bernd Dotterweich , Miguel Robledo , Swen Wunderlich
- Applicant Address: FR Paris
- Assignee: Alcatel Lucent
- Current Assignee: Alcatel Lucent
- Current Assignee Address: FR Paris
- Agency: Wall & Tong, LLP
- Main IPC: H03D3/18
- IPC: H03D3/18 ; H04L27/22
Abstract:
A method and apparatus for frame synchronization in digital communication systems using multiple modulation formats, including the Differential Phase Shift Keying (DPSK), Duobinary Signaling (DBS), and ON/OFF Keying (OOK) modulation formats, perform a search for both a frame alignment sequence (FAS) and the inverted FAS and determine the polarity of the received digital stream.
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