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Method and device for fixed in time adaptive antenna combining weights 원문보기

IPC분류정보
국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판)
  • G01S-003/28
출원번호 US-0607733 (2000-06-30)
발명자 / 주소
  • Thomas, Timothy A.
  • Vook, Frederick W.
출원인 / 주소
  • Motorola, Inc.
대리인 / 주소
    Fekete, Douglas D.Juffernbruch, Daniel W.
인용정보 피인용 횟수 : 67  인용 특허 : 5

초록

A receiving device and method for operating a communication system are provided. The receiving device receives at least one Doppler channel estimate for at least one transmitter and a spatial covariance matrix of a corrupting environment. The Doppler channel estimates are used to create a Null Doppl

대표청구항

A receiving device and method for operating a communication system are provided. The receiving device receives at least one Doppler channel estimate for at least one transmitter and a spatial covariance matrix of a corrupting environment. The Doppler channel estimates are used to create a Null Doppl

이 특허에 인용된 특허 (5)

  1. Vook Frederick Werner ; Baum Kevin Lynn, Adaptive array method, device, base station and subscriber unit.
  2. Warren Ronald W. (Downey CA) Breed Ben R. (Austin TX), Adaptive filtering of matched-filter data.
  3. Nussbaum Howard S. ; Brovko Oleg ; Dewolf Douglas G., Adaptive signal processor for non-stationary environments and method.
  4. Dogan Mithat Can ; Stearns Stephen Deane, Method and apparatus for complex phase equalization for use in a communication system.
  5. Catipovic Josko A. (20 McGregor Rd. PO Box 705 Woods Hole MA 02543) Freitag Lee E. (86 Water St. Woods Hole MA 02543 4), Spatial diversity processing for underwater acoustic telemetry.

이 특허를 인용한 특허 (67)

  1. Yoon, Eun-Chul; Lee, Min-Su, Apparatus and method for beamforming in a communication system.
  2. Agee, Brian G.; Bromberg, Matthew C., Apparatus for calculating weights associated with a first signal and applying the weights to a second signal.
  3. Agee, Brian G.; Bromberg, Matthew C., Apparatus for calculating weights associated with a received signal and applying the weights to transmit data.
  4. Agee, Brian G.; Bromberg, Matthew C., Apparatus for generating at least one signal based on at least one aspect of at least two received signals.
  5. Agee, Brian G.; Bromberg, Matthew C., Apparatus for transmitting a signal including transmit data to a multiple-input capable node.
  6. Agee, Brian G; Bromberg, Matthew C, Apparatus for transmitting a signal including transmit data to a multiple-input capable node.
  7. von der Embse, Urbain Alfred, Communications faster than Shannon rate.
  8. Agee, Brian G.; Bromberg, Matthew C., Data routing for OFDM transmission based on observed node capacities.
  9. Agee, Brian G.; Bromberg, Matthew C., Data routing for OFDM transmissions.
  10. Nanda, Sanjiv; Walton, Jay Rodney, Distributed hierarchical scheduling in an AD hoc network.
  11. Nanda, Sanjiv; Walton, J. Rodney, Distributed hierarchical scheduling in an ad hoc network.
  12. Nanda, Sanjiv, Enhanced block acknowledgement.
  13. Nanda, Sanjiv, Enhanced block acknowledgement.
  14. Lin, Xintian; Li, Qinghua, Filling the space-time channels in SDMA.
  15. Walton,J. Rodney; Ketchum,John W.; Wallace,Mark S.; Howard,Steven J., Frequency-independent spatial processing for wideband MISO and MIMO systems.
  16. Nanda, Sanjiv; Meylan, Arnaud; Walton, Jay Rodney, High speed media access control.
  17. Nanda, Sanjiv; Meylan, Arnaud; Walton, Jay Rodney, High speed media access control.
  18. Walton, Jay Rodney; Nanda, Sanjiv, High speed media access control and direct link protocol.
  19. Walton, Jay Rodney; Nanda, Sanjiv, High speed media access control and direct link protocol.
  20. Walton, Jay Rodney; Ketchum, John W.; Nanda, Sanjiv, High speed media access control with legacy system interoperability.
  21. Tsai,Jiann An; Chuang,Wei Ping; Kuo,Chun Chun; Jian,Yung Yih, Hybrid beamforming apparatus and method for the same.
  22. Binshtok,Nir; Yellin,Daniel, Interference reduction using low complexity antenna array.
  23. Nanda, Sanjiv; Walton, Jay Rodney, Method and apparatus for an ad-hoc wireless communications system.
  24. Nadgauda, Nikhil S.; Baum, Kevin L.; Vook, Frederick W., Method and apparatus for restoring a soft decision component of a signal.
  25. Meylan, Arnaud; Abraham, Santosh, Method and apparatus for scheduling in a wireless network.
  26. Geer, James L., Method and apparatus for the detection of objects using electromagnetic wave attenuation patterns.
  27. Geer, James L., Method and apparatus for the detection of objects using electromagnetic wave attenuation patterns.
  28. Ketchum, John W.; Walton, Jay Rodney; Nanda, Sanjiv, Method and apparatus for wireless LAN (WLAN) data multiplexing.
  29. Agee, Brian G.; Bromberg, Matthew C., Method and system for robust, secure, and high-efficiency voice and packet transmission over ad-hoc, mesh, and MIMO communication networks.
  30. Agee, Brian G; Bromberg, Matthew C., Method and system for robust, secure, and high-efficiency voice and packet transmission over ad-hoc, mesh, and MIMO communication networks.
  31. Ruohonen, Jari; Degn, Nils; Harkala, Timo; Oksala, Jarkko, Method for supplying reference data for a frequency update in a mobile station, mobile station, module of a mobile station and radio communications system.
  32. Park, Sungho; Ihm, Binchul; Lee, Wookbong, Method of minimizing feedback overhead using spatial channel covariance in a multi-input multi-output system.
  33. Ketchum, John W.; Wallace, Mark S.; Walton, Jay Rodney; Nanda, Sanjiv, Method, apparatus, and system for medium access control.
  34. Ketchum, John W.; Wallace, Mark S.; Walton, Jay Rodney; Nanda, Sanjiv, Method, apparatus, and system for medium access control.
  35. Ketchum, John W.; Walton, Jay Rodney; Nanda, Sanjiv, Method, apparatus, and system for multiplexing protocol data units.
  36. Ketchum, John Wendell; Walton, Jay Rodney; Nanda, Sanjiv, Method, apparatus, and system for multiplexing protocol data units.
  37. Leabman, Michael, Multi-connection, non-simultaneous frequency diversity in radio communication systems.
  38. Leabman, Michael, Multi-connection, non-simultaneous frequency diversity in radio communication systems.
  39. Leabman,Michael, Multi-connection, non-simultaneous frequency diversity in radio communication systems.
  40. Agee, Brian G.; Bromberg, Matthew C., Multi-user transmissions.
  41. Sun, Qinfang; Choi, Won Joon; Gilbert, Jeffrey M.; Tehrani, Ardavan Maleki, Multiple-input multiple output system and method.
  42. Sun, Qinfang; Choi, Won-Joon; Gilbert, Jeffrey M.; Tehrani, Ardavan Maleki, Multiple-input multiple-output system and method.
  43. Sun, Qinfang; Choi, Won-Joon; Gilbert, Jeffrey M.; Tehrani, Ardavan Maleki, Multiple-input multiple-output system and method.
  44. Agee, Brian G.; Bromberg, Matthew C., Network communication using diversity.
  45. Agee, Brian G.; Bromberg, Matthew C., Network communication using diversity.
  46. Agee, Brian G.; Bromberg, Matthew C., Network communication using diversity.
  47. Leabman,Michael, Non-simultaneous frequency diversity in radio communication systems.
  48. Agee, Brian G.; Bromberg, Matthew C., Originator and recipient based transmissions in wireless communications.
  49. Agee, Brian G.; Bromberg, Matthew C., Originator and recipient based transmissions in wireless communications.
  50. Agee, Brian G.; Bromberg, Matthew C., Originator and recipient based transmissions in wireless communications.
  51. Rosenlof,John R.; Asirvatham,Kirupairaj; Gummadi,Srikanth, Phase advance compensation for MIMO time-switch preamble modes.
  52. von der Embse, Urbain Alfred, QLM co-state MAP trellis.
  53. von der Embse, Urbain Alfred, QLM communications faster than Shannon rate.
  54. von der Embse, Urbain Alfred, QLM maximum likelihood demodulation.
  55. Naguib, Ayman Fawzy; Gorokhov, Alexei; Ji, Tingfang; Gore, Dhananjay A.; Sutivong, Arak, Rate selection for a quasi-orthogonal communication system.
  56. Naguib, Ayman Fawzy; Gorokhov, Alexei; Ji, Tingfang; Gore, Dhananjay; Sutivong, Arak, Rate selection for a quasi-orthogonal communication system.
  57. von der Embse, Urbain Alfred, Scaling for QLM communications faster than shannon rate.
  58. Meylan, Arnaud; Nanda, Sanjiv, Scheduling with reverse direction grant in wireless communication systems.
  59. Meylan, Arnaud; Nanda, Sanjiv, Scheduling with reverse direction grant in wireless communication systems.
  60. Zhang, Hongyuan; Qi, Yihong, Systems and methods for performing precoding in multi-user systems.
  61. Abraham, Santosh; Meylan, Arnaud; Walton, Jay Rodney, Transmission mode and rate selection for a wireless communication system.
  62. Agee, Brian G.; Bromberg, Matthew C., Transmission of OFDM symbols.
  63. Agee, Brian G.; Bromberg, Matthew C., Transmission of data to multiple nodes.
  64. Agee, Brian G.; Bromberg, Matthew C., Transmission of data using a plurality of radio frequency channels.
  65. Ketchum, John W.; Walton, Jay Rodney; Nanda, Sanjiv, Wireless LAN protocol stack.
  66. Lin, Xintian; Li, Qinghua, Wireless transmission over space-time channels.
  67. Berardinelli, Gilberto; Raaf, Bernard; Tavares, Fernando; Michel, Juergen, Zero insertion for ISI free OFDM reception.
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