Assignee
INTERDIGITAL TECH CORP
US·1,701 granted patents·547 pending applications·32,002 citations·filing 1990–2025
Top patents by PatentIndex Score
2,248 records- 0199US7463201B2Aperiodic array antennaINTERDIGITAL TECH CORP·Filed 2007·Granted Dec 9, 2008·291 cites·3 claims
- 0299US6983009B2Median weighted tracking for spread-spectrum communicationsINTERDIGITAL TECH CORP·Filed 2001·Granted Jan 3, 2006·164 cites·3 claims
- 0399US6771957B2Cognition models for wireless communication systems and method and apparatus for optimal utilization of a radio channel based on cognition model dataINTERDIGITAL TECH CORP·Filed 2002·Granted Aug 3, 2004·267 cites·6 claims
- 0499US6157619ACode division multiple access (CDMA) communication systemINTERDIGITAL TECH CORP·Filed 1999·Granted Dec 5, 2000·358 cites·8 claims
- 0598US8812048B2Combined open loop/closed loop method for controlling uplink power of a mobile stationINTERDIGITAL TECH CORP·Filed 2013·Granted Aug 19, 2014·29 cites·46 claims
- 0698US7898948B2Method and apparatus for sending a channel quality indication via a shared channelINTERDIGITAL TECH CORP·Filed 2007·Granted Mar 1, 2011·85 cites·88 claims
- 0798US7881247B2Method and apparatus for providing efficient precoding feedback in a MIMO wireless communication systemINTERDIGITAL TECH CORP·Filed 2007·Granted Feb 1, 2011·97 cites·58 claims
- 0898US7733835B2Method and system for reducing power consumption of a wireless transmit/receive unitINTERDIGITAL TECH CORP·Filed 2006·Granted Jun 8, 2010·65 cites·71 claims
- 0998US7633442B2Satellite communication subscriber device with a smart antenna and associated methodINTERDIGITAL TECH CORP·Filed 2005·Granted Dec 15, 2009·175 cites·22 claims
- 1098US7529292B2Code tracking loop with automatic power normalizationINTERDIGITAL TECH CORP·Filed 2006·Granted May 5, 2009·73 cites·11 claims
- 1198US7460834B2Method and apparatus for utilizing a directional beam antenna in a wireless transmit/receive unitINTERDIGITAL TECH CORP·Filed 2004·Granted Dec 2, 2008·204 cites·29 claims
- 1298US7379489B2Orthogonal variable spreading factor (OVSF) code assignmentINTERDIGITAL TECH CORP·Filed 2003·Granted May 27, 2008·75 cites·17 claims
- 1398US7324817B2Wireless communication method and apparatus for selecting and reselecting cells based on measurements performed using directional beams and an omni-directional beam patternINTERDIGITAL TECH CORP·Filed 2004·Granted Jan 29, 2008·180 cites·14 claims
- 1498US7308264B2Method for identifying pre-candidate cells for a mobile unit operating with a switched beam antenna in a wireless communication system, and corresponding systemINTERDIGITAL TECH CORP·Filed 2005·Granted Dec 11, 2007·186 cites·27 claims
- 1598US7289828B2Method for steering a smart antenna for a WLAN using a periodic re-scanINTERDIGITAL TECH CORP·Filed 2005·Granted Oct 30, 2007·182 cites·26 claims
- 1698US7274936B2Method and apparatus for measuring channel quality using a smart antenna in a wireless transmit/receive unitINTERDIGITAL TECH CORP·Filed 2004·Granted Sep 25, 2007·192 cites·28 claims
- 1798US7180885B2Receiving point-to-point and point-to-point multipoint multimedia broadcasts/multicast servicesINTERDIGITAL TECH CORP·Filed 2006·Granted Feb 20, 2007·96 cites·6 claims
- 1898US7123191B2Blind signal separation using I and Q componentsINTERDIGITAL TECH CORP·Filed 2005·Granted Oct 17, 2006·169 cites·33 claims
- 1998US6456608B1Adaptive vector correlator using weighting signals for spread-spectrum communicationsINTERDIGITAL TECH CORP·Filed 2001·Granted Sep 24, 2002·121 cites·18 claims
- 2098US6289004B1Adaptive cancellation of fixed interferersINTERDIGITAL TECH CORP·Filed 1998·Granted Sep 11, 2001·202 cites·4 claims
- 2198US6278726B1Interference cancellation in a spread spectrum communication systemINTERDIGITAL TECH CORP·Filed 2000·Granted Aug 21, 2001·129 cites·18 claims
- 2298US6115406ATransmission using an antenna array in a CDMA communication systemINTERDIGITAL TECH CORP·Filed 1999·Granted Sep 5, 2000·144 cites·23 claims
- 2398US6014373ASpread spectrum CDMA subtractive interference canceler systemINTERDIGITAL TECH CORP·Filed 1997·Granted Jan 11, 2000·161 cites·18 claims
- 2498US5799010ACode division multiple access (CDMA) communication systemINTERDIGITAL TECH CORP·Filed 1996·Granted Aug 25, 1998·240 cites·9 claims
- 2598US5703874ABroadband CDMA overlay system and methodINTERDIGITAL TECH CORP·Filed 1994·Granted Dec 30, 1997·218 cites·39 claims
- 2698US5687194ASubscriber RF telephone system for providing multiple speech and/or data signals simultaneously over either a single or a plurality of RF channelsINTERDIGITAL TECH CORP·Filed 1993·Granted Nov 11, 1997·288 cites·16 claims
- 2798US5614914AWireless telephone distribution system with time and space diversity transmission for determining receiver locationINTERDIGITAL TECH CORP·Filed 1994·Granted Mar 25, 1997·300 cites·80 claims
- 2898US5506864ACDMA communications and geolocation system and methodINTERDIGITAL TECH CORP·Filed 1994·Granted Apr 9, 1996·390 cites·6 claims
- 2998US5469468AOverlaying spread-spectrum satellite system and methodINTERDIGITAL TECH CORP·Filed 1993·Granted Nov 21, 1995·227 cites·25 claims
- 3098US5228056ASynchronous spread-spectrum communications system and methodINTERDIGITAL TECH CORP·Filed 1990·Granted Jul 13, 1993·265 cites·45 claims
- 3197US11765710B2Method for transmit and receive power control in mesh systemsINTERDIGITAL TECH CORP·Filed 2021·Granted Sep 19, 2023·3 cites·20 claims
- 3297US9749951B2Implicit DRX cycle length adjustment control in LTE—ACTIVE modeINTERDIGITAL TECH CORP·Filed 2015·Granted Aug 29, 2017·14 cites·19 claims
- 3397US7924785B2Method and system for switching a radio access technology between wireless communication systems with a multi-mode wireless transmit/receive unitINTERDIGITAL TECH CORP·Filed 2005·Granted Apr 12, 2011·52 cites·18 claims
- 3497US7738871B2Wireless communication method and system for implementing media independent handover between technologically diversified access networksINTERDIGITAL TECH CORP·Filed 2005·Granted Jun 15, 2010·48 cites·13 claims
- 3597US7630690B2Access burst detector correlator poolINTERDIGITAL TECH CORP·Filed 2003·Granted Dec 8, 2009·142 cites·11 claims
- 3697US7499393B2Per stream rate control (PSRC) for improving system efficiency in OFDM-MIMO communication systemsINTERDIGITAL TECH CORP·Filed 2005·Granted Mar 3, 2009·57 cites·13 claims
- 3797US7408895B2Method and apparatus for scheduling transmissions via an enhanced dedicated channelINTERDIGITAL TECH CORP·Filed 2006·Granted Aug 5, 2008·42 cites·51 claims
- 3897US6992622B1Wireless communication method and antenna system for determining direction of arrival information to form a three-dimensional beam used by a transceiverINTERDIGITAL TECH CORP·Filed 2004·Granted Jan 31, 2006·90 cites·36 claims
- 3997US6985467B2Rapid acquisition spreading codes for spread-spectrum communicationsINTERDIGITAL TECH CORP·Filed 2001·Granted Jan 10, 2006·68 cites·33 claims
- 4097US6724809B2Parallel interference cancellation receiver for multiuser detection of CDMA signalsINTERDIGITAL TECH CORP·Filed 2002·Granted Apr 20, 2004·103 cites·61 claims
- 4197US6373830B1CDMA communication system which selectively allocates bandwidth upon demandINTERDIGITAL TECH CORP·Filed 2000·Granted Apr 16, 2002·102 cites·12 claims
- 4297US6272168B1Code sequence generator in a CDMA modemINTERDIGITAL TECH CORP·Filed 1998·Granted Aug 7, 2001·185 cites·15 claims
- 4397US5991332AAdaptive matched filter and vector correlator for a code division multiple access (CDMA) modemINTERDIGITAL TECH CORP·Filed 1998·Granted Nov 23, 1999·93 cites·9 claims
- 4497US5859879AWireless telephone distribution system with time and space diversity transmissionINTERDIGITAL TECH CORP·Filed 1997·Granted Jan 12, 1999·198 cites·64 claims
- 4597US5796776ACode sequence generator in a CDMA modemINTERDIGITAL TECH CORP·Filed 1996·Granted Aug 18, 1998·155 cites·4 claims
- 4697US5663990AWireless telephone distribution system with time and space diversity transmissionINTERDIGITAL TECH CORP·Filed 1995·Granted Sep 2, 1997·210 cites·38 claims
- 4796US10873907B2Method and apparatus for transmission management in a wireless communication systemINTERDIGITAL TECH CORP·Filed 2020·Granted Dec 22, 2020·3 cites·16 claims
- 4896US10433271B2Method and apparatus for maintaining uplink synchronization and reducing battery power consumptionINTERDIGITAL TECH CORP·Filed 2017·Granted Oct 1, 2019·9 cites·20 claims
- 4996US9681377B2Method and apparatus for transmission management in a wireless communication systemINTERDIGITAL TECH CORP·Filed 2013·Granted Jun 13, 2017·12 cites·22 claims
- 5096US9444531B2Channel sounding for improved system performanceINTERDIGITAL TECH CORP·Filed 2015·Granted Sep 13, 2016·10 cites·16 claims
Showing the top 50 of 2,248 patent records by PatentIndex Score.
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