Inventor · disambiguated record
Michael Hirano
Also filed as: HIRANO MICHAEL · HIRANO MICHAEL R
21 granted patents·1,542 citations·filing 1997–2014
97Inventor score
Files withAT & T WIRELESS SERVICES INC9CINGULAR WIRELESS II LLC5AT & T MOBILITY II LLC4AIRBIQUITY INC1ALAMOUTI SIAVASH1
Top patents by PatentIndex Score
21 records- 0198US5933421AMethod for frequency division duplex communicationsAT & T WIRELESS SERVICES INC·Filed 1997·Granted Aug 3, 1999·721 cites·41 claims
- 0297US6853629B2Method for frequency division duplex communicationsCINGULAR WIRELESS II LLC·Filed 2003·Granted Feb 8, 2005·120 cites·6 claims
- 0393US7983310B2Methods for in-band signaling through enhanced variable-rate codecsAIRBIQUITY INC·Filed 2008·Granted Jul 19, 2011·46 cites·6 claims
- 0493US7983217B2Method for frequency division duplex communicationsAT & T MOBILITY II LLC·Filed 2008·Granted Jul 19, 2011·21 cites·21 claims
- 0593US7065165B2Automatic gain control methods and apparatus suitable for use in OFDM receiversCINGULAR WIRELESS II LLC·Filed 2003·Granted Jun 20, 2006·45 cites·49 claims
- 0692US7095708B1Methods and apparatus for use in communicating voice and high speed data in a wireless communication systemCINGULAR WIRELESS II LLC·Filed 2000·Granted Aug 22, 2006·106 cites·24 claims
- 0790US6363127B1Automatic gain control methods and apparatus suitable for use in OFDM receiversAT & T WIRELESS SERVICES INC·Filed 2000·Granted Mar 26, 2002·58 cites·14 claims
- 0889US6768714B1Methods and apparatus for use in obtaining frequency synchronization in an OFDM communication systemAT & T WIRELESS SERVICES INC·Filed 2000·Granted Jul 27, 2004·69 cites·20 claims
- 0988US9088388B2Method for frequency division duplex communicationsAT & T MOBILITY II LLC·Filed 2014·Granted Jul 21, 2015·5 cites·9 claims
- 1088US6560209B1Method for frequency division duplex communicationsAT & T WIRELESS SERVICES INC·Filed 1999·Granted May 6, 2003·120 cites·30 claims
- 1186US8693432B2Method for frequency division duplex communicationsAT & T MOBILITY II LLC·Filed 2012·Granted Apr 8, 2014·4 cites·17 claims
- 1283US6574292B2Automatic gain control methods and apparatus suitable for use in OFDM receiversAT & T WIRELESS SERVICES INC·Filed 2002·Granted Jun 3, 2003·31 cites·41 claims
- 1383US6389087B1Apparatus and method for synchronization in a multiple-carrier communication system by observing energy within a guard bandAT & T WIRELESS SERVICES INC·Filed 2000·Granted May 14, 2002·37 cites·22 claims
- 1480US7450542B2Method for frequency division duplex communicationsAT & T MOBILITY II LLC·Filed 2004·Granted Nov 11, 2008·11 cites·28 claims
- 1580US6807147B1Methods and apparatus for use in obtaining frame synchronization in an OFDM communication systemAT & T WIRELESS SERVICES INC·Filed 2000·Granted Oct 19, 2004·34 cites·30 claims
- 1678US8305990B2Method for frequency division duplex communicationsALAMOUTI SIAVASH·Filed 2011·Granted Nov 6, 2012·4 cites·29 claims
- 1778US6700866B1Methods and apparatus for use in obtaining frequency synchronization in an OFDM communication systemAT & T WIRELESS SERVICES INC·Filed 2000·Granted Mar 2, 2004·35 cites·20 claims
- 1872US6940933B1Apparatus and method for synchronization in a multiple-carrier communications system by observing a phase-frequency relationship of a plurality of pilot signalsCINGULAR WIRELESS II LLC·Filed 2000·Granted Sep 6, 2005·17 cites·11 claims
- 1964US6930995B1Apparatus and method for synchronization in a multiple-carrier communication system by observing a plurality of synchronization indicatorsCINGULAR WIRELESS II LLC·Filed 2000·Granted Aug 16, 2005·9 cites·22 claims
- 2062US5896425ANon-uniformly spaced tones for synchronization waveformAT & T WIRELESS SERVICES INC·Filed 1997·Granted Apr 20, 1999·47 cites·16 claims
- 2161US8594138B2Methods for in-band signaling through enhanced variable-rate codecsHIRANO MICHAEL·Filed 2011·Granted Nov 26, 2013·2 cites·12 claims
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