Inventor
HIRANO MICHAEL R
US10 patents
⚠️ This page may combine multiple inventors who share the name “HIRANO MICHAEL R”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
AT & T WIRELESS SERVICES INC
6 patentsUS6768714B1Jul 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
4 patentsUS7095708B1Aug 22, 2006
Methods and apparatus for use in communicating voice and high speed data in a wireless communication system
CINGULAR WIRELESS II LLC106 citations96
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