Issued patents

See US PTO or Google patents

• 1. 5,504,773 & 5,511,073, Padovani, Tiedemann, Weaver, Butler, “Method and Apparatus for the formatting of data for transmission.”

  2. 5,566,206 & 5,774,496, Butler, Padovani, Zehavi, “Method and apparatus for determining data rate of transmitted variable rate data in a communications receiver.”

  3. 5,710,521, Butler, “Out-of-band compensation for non-linear device.“

  4. 5,710,784, Kindred, Butler, Zehavi, Wolf “Multirate serial Viterbi decoder for code division multiple access system applications.”

  5. 5,909,434, Odenwalder, Butler, Padovani, Zehavi, “Bright and burst mode signaling data transmission in an adjustable rate wireless communication system”

  6. 6,028,884, Silberger, Butler, Schiff, “Method and apparatus for measuring nonlinear effects in a communication system.”

  7. 6,111,865, Butler, Gilhousen, “Dual channel slotted paging”

  8. 6,134,215, Agrawal, Butler, “Using orthogonal waveforms to enable multiple transmitters to share a single CDM channel”

  9. 6,205,186 & 6,519,297, Butler, Bayley, Hansquine, Tiedemann, ”Decoding with partial state information on a convolutionally encoded channel”

  10. 6,208,858 Antonio, Marsh, Stewart, Chockalingam, Kerns, Butler, Grob, Determan, Grover, Schiff, Ames, "System and method for reducing call dropping rates in a multi-beam communication system”

  11. 6,243,561 & 6,584,313, Butler, Zhang, Tiedemann, Zou, Sih, Agrawal, “Offline page monitoring“

  12. 6,249,539 & 6,831,940, Harms, Gregory, Butler, Agrawal, “System and method for narrowing the range of frequency uncertainty of a Doppler shifted signal“

  13. 6,333,939, Butler, Yu, Easton, “Synchronization of a low power oscillator with a reference oscillator in a wireless communication device utilizing slotted paging”

  14. 6,393,295 & 6,832,094 & 7,555,302 & 7,970,420 & 7,983,695 & 8,046,005 & 8,068,859 & 8,224,356, Butler, Gilhousen, “Dual event slotted paging”

  15. 6,421,540, Gilhousen, Butler, Bender, Agrawal, “Method and apparatus for maximizing standby time using a quick paging channel”

  16. 6,493,376, Harms, Butler, Skinner, “Multi-layered PN code spreading in a multi-user communications system”

  17. 6,496,706, Jou, Saifuddin, Tiedemann, Butler, “Method and system for transmit gating in a wireless communication system”

  18. 6,516,360, Mohseni, Butler, John, “Method and apparatus for buffering data transmission between producer and consumer”

  19. 6,535,562, Mohseni, Butler, John, Zhang, “Method and apparatus for rotating the phase of a complex signal”

  20. 6,545,989 & 6,771,620, Butler, “Transmit gating in a wireless communication system”

  21. 6,594,303, Agrawal, Bender, Blessent, Butler, Motiwala, “Coherent demodulator for use in the presence of phase discontinuities”

  22. 6,608,858, Sih, Agrawal, Roh, Butler, Challa, “Multipath Doppler adjusted frequency tracking loop”

  23. 6,680,727, Bender, Butler, Jou, Zhang, “Method and apparatus for canceling pilot interference in a CDMA communication system”

  24. 6,687,870, Mohseni, Butler, Zhang, "Method and apparatus for interleaving for information transmission or storage applications"

  25. 6,714,780, Antonio, Marsh, Stewart, Butler, Grob, etc., “System and method for reducing call dropping rates in a multi-beam communication system”

  26. 6,731,936 & 7,254,394 & 7,937,086, Chen, Wang, Sinnarajah, Butler, Tiedemann, “Method and system for a handoff in a broadcast communication system”

  27. 6,744,749, Abrishamkar, Butler, Lin, “Method and apparatus for pilot estimation using a Wiener filter”

  28. 6,748,010 & 7,113,537, Butler, Zhang, Tiedemann, “Combined searching and page monitoring using offline sample storage”

  29. 6,771,692 & 7,702,001, Rick, Subrahmanya, Butler, Patel, Ekvetchavit, “Time tracking in a non-negligible multipath spacing environment”

  30. 6,820,103, Butler, John, Zhang, Mohseni, “Digital filter with state storage”

  31. 6,986,092, Butler, Wolf, Milne, “Erasure-and-single-error correction decoder for linear block codes”

  32. 6,999,500, Mohseni, Butler, John, Zhang, “System for direct sequence spreading”

  33. 7,062,224, Baker, Butler, Wheatley, “Method and system for identifying and monitoring repeater traffic in a code division multiple access system”

  34. 7,190,749 & 7,903,770, Levin, Wilborn, Butler, Bender, “Method and apparatus for canceling pilot interference in a wireless communication system”

  35. 7,734,257 & 8,774,816, Chen, Achour, Butler, Tiedemann, Zhang, Saints, Blessent, Wei, "Dynamic shared forward link channel for a wireless communication system"

  36. 7,787,389, Chen, Wolf, Odenwalder, Tiedemann, Butler, Wei, "Method and system for utilization of an outer decoder in a broadcast services communication system"

  37. 8,611,311 & 8,644,264, Coralli, Pfister, Hou, Smee, Padovani, Butler, Levin, Wilborn, Bender, “Method and apparatus for canceling pilot interference in a wireless communication system”

  38. 8,744,404 & 9,014,671, Butler, Nanda, “Method and system for restricted access configuration of access point base stations”

  39. 8,966,001, Rauber, Grob, Achour, Butler, Carson, Jha, “Deployment and distribution model for improved content delivery system”

  40. 8,982,685, Gaal, Banister, Butler, “Time orthogonalization of reference signals”

  41. 9,178,632, Grob, Achour, Butler, Carson, Jha, “Methods and apparatus for an enhanced media content rating system”