EP 1712009 A1 20061018 - FREQUENCY GENERATION FOR A MULTI-BAND OFDM BASED ULTRA WIDE-BAND RADIO
Title (en)
FREQUENCY GENERATION FOR A MULTI-BAND OFDM BASED ULTRA WIDE-BAND RADIO
Title (de)
FREQUENZERZEUGUNG FÜR ULTRABREITBANDFUNK AUF DER BASIS VON MEHRBAND-OFDM
Title (fr)
GENERATION DE FREQUENCE POUR RADIO A BANDE ULTRALARGE BASEE SUR MROF MULTIBANDE
Publication
Application
Priority
- US 2005003025 W 20050126
- US 53942704 P 20040126
- US 59295904 P 20040729
Abstract (en)
[origin: WO2005074152A1] The present invention, generally speaking, provides for generation of at least three local oscillator signals for receiving a communication signal occupying corresponding sub-bands of a frequency band using one or more frequency synthesizers (e.g., PLLs or the like) and one or more single sideband mixers. In accordance with certain embodiments, only one single sideband mixer is encountered along the output path of a given local oscillator signal, thereby reducing spurs. In accordance with certain other embodiments, three local oscillator signals are generated continuously.
IPC 8 full level
H03L 7/18 (2006.01); H03L 7/23 (2006.01); H04B 1/40 (2006.01); H04B 1/69 (2011.01); H04L 27/26 (2006.01)
CPC (source: EP KR)
H03L 7/23 (2013.01 - EP KR); H04B 1/40 (2013.01 - KR); H04B 1/406 (2013.01 - EP); H04B 1/7136 (2013.01 - EP); H04L 27/2647 (2013.01 - EP)
Citation (search report)
See references of WO 2005074152A1
Designated contracting state (EPC)
AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU MC NL PL PT RO SE SI SK TR
DOCDB simple family (publication)
WO 2005074152 A1 20050811; EP 1712009 A1 20061018; JP 2007522726 A 20070809; KR 20060123583 A 20061201
DOCDB simple family (application)
US 2005003025 W 20050126; EP 05712459 A 20050126; JP 2006551546 A 20050126; KR 20067017044 A 20060824