Inventor

HEINONEN JARI M

US9 patents

⚠️ This page may combine multiple inventors who share the name “HEINONEN JARI M”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

AT & T WIRELESS SERVICES INC

6 patents

US6768714B1Jul 27, 2004

Methods and apparatus for use in obtaining frequency synchronization in an OFDM communication system

AT & T WIRELESS SERVICES INC69 citations95

US6363127B1Mar 26, 2002

Automatic gain control methods and apparatus suitable for use in OFDM receivers

AT & T WIRELESS SERVICES INC58 citations95

US6574292B2Jun 3, 2003

Automatic gain control methods and apparatus suitable for use in OFDM receivers

AT & T WIRELESS SERVICES INC31 citations92

US6807147B1Oct 19, 2004

Methods and apparatus for use in obtaining frame synchronization in an OFDM communication system

AT & T WIRELESS SERVICES INC34 citations91

US6389087B1May 14, 2002

Apparatus and method for synchronization in a multiple-carrier communication system by observing energy within a guard band

AT & T WIRELESS SERVICES INC37 citations91

US6700866B1Mar 2, 2004

Methods and apparatus for use in obtaining frequency synchronization in an OFDM communication system

AT & T WIRELESS SERVICES INC35 citations87

CINGULAR WIRELESS II LLC

3 patents

US7065165B2Jun 20, 2006

Automatic gain control methods and apparatus suitable for use in OFDM receivers

CINGULAR WIRELESS II LLC45 citations95

US6940933B1Sep 6, 2005

Apparatus and method for synchronization in a multiple-carrier communications system by observing a phase-frequency relationship of a plurality of pilot signals

CINGULAR WIRELESS II LLC17 citations83

US6930995B1Aug 16, 2005

Apparatus and method for synchronization in a multiple-carrier communication system by observing a plurality of synchronization indicators

CINGULAR WIRELESS II LLC9 citations72