P

Assignee

INTERDIGITAL TECH CORP

US1,701 patents

Top patents by PatentIndex Score

US7898948B2Mar 1, 2011

Method and apparatus for sending a channel quality indication via a shared channel

INTERDIGITAL TECH CORP85 citations99
US7710930B2May 4, 2010

Method and apparatus for network management using periodic measurements of indicators

INTERDIGITAL TECH CORP92 citations99
US7633442B2Dec 15, 2009

Satellite communication subscriber device with a smart antenna and associated method

INTERDIGITAL TECH CORP175 citations99
US7463201B2Dec 9, 2008

Aperiodic array antenna

INTERDIGITAL TECH CORP291 citations99
US7324817B2Jan 29, 2008

Wireless communication method and apparatus for selecting and reselecting cells based on measurements performed using directional beams and an omni-directional beam pattern

INTERDIGITAL TECH CORP180 citations99
US7180885B2Feb 20, 2007

Receiving point-to-point and point-to-point multipoint multimedia broadcasts/multicast services

INTERDIGITAL TECH CORP96 citations99
US7171163B2Jan 30, 2007

Dynamic channel quality measurement procedure implemented in a wireless digital communication system to prioritize the forwarding of downlink data

INTERDIGITAL TECH CORP80 citations99
US7123191B2Oct 17, 2006

Blind signal separation using I and Q components

INTERDIGITAL TECH CORP169 citations99
US6983009B2Jan 3, 2006

Median weighted tracking for spread-spectrum communications

INTERDIGITAL TECH CORP164 citations99
US6823194B2Nov 23, 2004

Fast adaptive power control for a variable multirate communications system

INTERDIGITAL TECH CORP74 citations99
US6771957B2Aug 3, 2004

Cognition models for wireless communication systems and method and apparatus for optimal utilization of a radio channel based on cognition model data

INTERDIGITAL TECH CORP267 citations99
US6728225B1Apr 27, 2004

Asymmetrical forward/reverse transmission bandwidth

INTERDIGITAL TECH CORP95 citations99
US6717927B2Apr 6, 2004

System for efficient recovery of node B buffered data following serving high speed downlink shared channel cell change

INTERDIGITAL TECH CORP78 citations99
US6587697B2Jul 1, 2003

Common control channel uplink power control for adaptive modulation and coding techniques

INTERDIGITAL TECH CORP82 citations99
US6456608B1Sep 24, 2002

Adaptive vector correlator using weighting signals for spread-spectrum communications

INTERDIGITAL TECH CORP121 citations99
US6373830B1Apr 16, 2002

CDMA communication system which selectively allocates bandwidth upon demand

INTERDIGITAL TECH CORP102 citations99
US6289004B1Sep 11, 2001

Adaptive cancellation of fixed interferers

INTERDIGITAL TECH CORP202 citations99
US6272168B1Aug 7, 2001

Code sequence generator in a CDMA modem

INTERDIGITAL TECH CORP185 citations99
US6157619ADec 5, 2000

Code division multiple access (CDMA) communication system

INTERDIGITAL TECH CORP358 citations99
US6115406ASep 5, 2000

Transmission using an antenna array in a CDMA communication system

INTERDIGITAL TECH CORP144 citations99
US6075792AJun 13, 2000

CDMA communication system which selectively allocates bandwidth upon demand

INTERDIGITAL TECH CORP99 citations99
US6049535AApr 11, 2000

Code division multiple access (CDMA) communication system

INTERDIGITAL TECH CORP171 citations99
US6014373AJan 11, 2000

Spread spectrum CDMA subtractive interference canceler system

INTERDIGITAL TECH CORP161 citations99
US6014374AJan 11, 2000

Subscriber RF telephone system for providing multiple speech and/or data signals simultaneously over either a single or a plurality of RF channels

INTERDIGITAL TECH CORP102 citations99
US5991332ANov 23, 1999

Adaptive matched filter and vector correlator for a code division multiple access (CDMA) modem

INTERDIGITAL TECH CORP93 citations99
US5841768ANov 24, 1998

Method of controlling initial power ramp-up in CDMA systems by using short codes

INTERDIGITAL TECH CORP148 citations99
US5796776AAug 18, 1998

Code sequence generator in a CDMA modem

INTERDIGITAL TECH CORP155 citations99
US5734678AMar 31, 1998

Subscriber RF telephone system for providing multiple speech and/or data signals simultaneously over either a single or a plurality of RF channels

INTERDIGITAL TECH CORP121 citations99
US5719852AFeb 17, 1998

Spread spectrum CDMA subtractive interference canceler system

INTERDIGITAL TECH CORP116 citations99
US5703874ADec 30, 1997

Broadband CDMA overlay system and method

INTERDIGITAL TECH CORP218 citations99
US5687194ANov 11, 1997

Subscriber RF telephone system for providing multiple speech and/or data signals simultaneously over either a single or a plurality of RF channels

INTERDIGITAL TECH CORP288 citations99
US5657358AAug 12, 1997

Subscriber RF telephone system for providing multiple speech and/or data signals simultaneously over either a single or plurality of RF channels

INTERDIGITAL TECH CORP174 citations99
US5506864AApr 9, 1996

CDMA communications and geolocation system and method

INTERDIGITAL TECH CORP390 citations99
US5469468ANov 21, 1995

Overlaying spread-spectrum satellite system and method

INTERDIGITAL TECH CORP227 citations99
US5410568AApr 25, 1995

CDMA/TDMA spread-spectrum communications system and method

INTERDIGITAL TECH CORP172 citations99
US5365544ANov 15, 1994

CDMA communications and geolocation system and method

INTERDIGITAL TECH CORP168 citations99
US5359182AOct 25, 1994

Wireless telephone debit card system and method

INTERDIGITAL TECH CORP338 citations99
US5260967ANov 9, 1993

CDMA/TDMA spread-spectrum communications system and method

INTERDIGITAL TECH CORP232 citations99
US5228056AJul 13, 1993

Synchronous spread-spectrum communications system and method

INTERDIGITAL TECH CORP265 citations99
US5224120AJun 29, 1993

Dynamic capacity allocation CDMA spread spectrum communications

INTERDIGITAL TECH CORP171 citations99
US8023463B2Sep 20, 2011

Enhanced uplink operation in soft handover

INTERDIGITAL TECH CORP46 citations98
US7929498B2Apr 19, 2011

Adaptive forward power control and adaptive reverse power control for spread-spectrum communications

INTERDIGITAL TECH CORP76 citations98
US7924785B2Apr 12, 2011

Method and system for switching a radio access technology between wireless communication systems with a multi-mode wireless transmit/receive unit

INTERDIGITAL TECH CORP52 citations98
US7881247B2Feb 1, 2011

Method and apparatus for providing efficient precoding feedback in a MIMO wireless communication system

INTERDIGITAL TECH CORP97 citations98
US7738871B2Jun 15, 2010

Wireless communication method and system for implementing media independent handover between technologically diversified access networks

INTERDIGITAL TECH CORP48 citations98
US7733835B2Jun 8, 2010

Method and system for reducing power consumption of a wireless transmit/receive unit

INTERDIGITAL TECH CORP65 citations98
US7630690B2Dec 8, 2009

Access burst detector correlator pool

INTERDIGITAL TECH CORP142 citations98
US7529292B2May 5, 2009

Code tracking loop with automatic power normalization

INTERDIGITAL TECH CORP73 citations98
US7499393B2Mar 3, 2009

Per stream rate control (PSRC) for improving system efficiency in OFDM-MIMO communication systems

INTERDIGITAL TECH CORP57 citations98
US7430206B2Sep 30, 2008

Wireless communication method and apparatus for detecting and correcting transmission errors

INTERDIGITAL TECH CORP102 citations98

Showing the top 50 of 1,701 patents by PatentIndex Score.