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Fixed wireless loop system that ranks non-assigned PN codes to reduce interference

IPC분류정보
국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판)
  • H04B-072/16
  • H04J-013/02
출원번호 US-0988413 (1997-12-10)
발명자 / 주소
  • Nieczyporowicz Leon L
  • Stephenson Philip L
  • Giallorenzi Thomas R
  • Steagall Robert W
출원인 / 주소
  • L-3 Communications Corporation
대리인 / 주소
    Perman & Green, LLP
인용정보 피인용 횟수 : 55  인용 특허 : 9

초록

Disclosed is a method for operating a fixed wireless system (FWS) having a radio base unit (RBU) that uses a code division multiple access (CDMA) airlink for communicating with a plurality of subscriber units (SUs) within a coverage area of the RBU. The method includes establishing, from a set of ps

대표청구항

[ What is claimed is:] [1.] A method for operating a fixed wireless system having a radio base unit (RBU) that uses a code division multiple access (CDMA) airlink for communicating with a plurality of subscriber units (SUs) within a coverage area of the RBU, comprising steps of:establishing, from a

이 특허에 인용된 특허 (9)

  1. Zehavi Ephraim,ILX, Method and apparatus for joint transmission of multiple data signals in spread spectrum communication systems.
  2. Souissi Slim ; Sawaya Samir A., Method and apparatus for spread spectrum channel assignment.
  3. Roche James R. (New Providence NJ) Wyner Aaron D. (Maplewood NJ), Method and apparatus for transmitting signals in a multi-tone code division multiple access communication system.
  4. Skinner ; deceased Gordon (late of Boulder CO by Margo Boodakian ; legal representative ) Harms Brian (Superior CO), Signal acquisition in a multi-user communication system using multiple walsh channels.
  5. Giallorenzi Thomas R. (Salt Lake City UT) Rafter Mark T. (Park City UT) Greenwood Kenneth C. (Sandy UT) Press Harry B. (Sandy UT) Kingston Samuel C. (Salt Lake City UT), Synchronous CDMA transmitter/receiver.
  6. Giallorenzi Thomas R. (Salt Lake City UT) Rafter Mark T. (Park City UT) Greenwood Kenneth C. (Sandy UT) Press Harry B. (Sandy UT) Kingston Samuel C. (Salt Lake City UT), Synchronous multipoint-to-point CDMA communication system.
  7. Gilhousen Klein S. (San Diego CA) Jacobs Irwin M. (La Jolla CA) Padovani Roberto (San Diego CA) Weaver ; Jr. Lindsay A. (San Diego CA) Wheatley ; III Charles E. (Del Mar CA) Viterbi Andrew J. (La Jol, System and method for generating signal waveforms in a CDMA cellular telephone system.
  8. Gilhousen Klein S., System and method for orthogonal spread spectrum sequence generation in variable data rate systems.
  9. Kim Je-Woo (Suwon KRX) Park Jong-Hyeon (Seoul KRX), Up-link access apparatus in direct sequence code division multiple access system.

이 특허를 인용한 특허 (55)

  1. Eidson, Donald Brian, Accelerated selection of a base station in a wireless communication system.
  2. Cox, Earl C.; Anderton, David O.; Komaili, Jaleh; Wan, Yongbing; Walley, Scott, Adaptive wireless communication receiver.
  3. Struhsaker,Paul F., Apparatus for establishing a priority call in a fixed wireless access communication system.
  4. Struhsaker,Paul F., Apparatus for reallocating communication resources to establish a priority call in a fixed wireless access communication system.
  5. Walley, Kenneth Scott; Underbrink, Paul A.; Gronemeyer, Steven A., Cancellation system and method for a wireless positioning system.
  6. Zeira, Ariela; Zeira, Eldad, Code allocation based on cross code correlation.
  7. Gronemeyer, Steven A., Doppler corrected spread spectrum matched filter.
  8. Proctor, Jr., James A.; Foore, Lawrence R.; Gorsuch, Thomas E.; Amalfitano, Carlo, Dynamic bandwidth allocation for multiple access communications using buffer urgency factor.
  9. Gorsuch, Thomas E.; Amalfitiano, Carlo, Dynamic bandwidth allocation to transmit a wireless protocol across a code division multiple access (CDMA) radio link.
  10. Gronemeyer, Steven A., Fast acquisition of GPS signal.
  11. Gronemeyer, Steven A., Fast reacquisition of a GPS signal.
  12. White, Stanley A.; Walley, Kenneth S.; Johnston, James W.; Henderson, P. Michael; Hale, Kelly H.; Andrews, Jr., Warner B.; Siann, Jonathan I., Field unit for use in a GPS system.
  13. Chris Levesque, Integrated power management module.
  14. Kudhrethaya A. Shridhara, Jamming detection and blanking for GPS receivers.
  15. Keller,Merle L.; Mower,Vaughn L.; Fonnesbeck,Dale D., Linear search system and method for determining Psuedo-Noise (PN) composite phase.
  16. Song Wei-jei, Method and an apparatus for positioning system assisted cellular radiotelephone handoff and dropoff.
  17. Flammer, III,George H.; Paulsen,David L.; Ritter,Michael W., Method and apparatus for contention management in a radio-based packet network.
  18. Uwe Sydon ; Juergen Kockmann ; Olaf Dicker ; Paulus Sastrodjojo, Method and system for avoiding bad frequency subsets in a frequency hopping cordless telephone system.
  19. Garces, Rodrigo, Method and system for channel masking in a communication network.
  20. Underbrink, Paul A.; Gronemeyer, Steven A., Method and system for data detection in a global positioning system satellite receiver.
  21. Underbrink, Paul A.; Gronemeyer, Steven A., Method and system for data detection in a global positioning system satellite receiver.
  22. Underbrink,Paul A.; Gronemeyer,Steven A., Method and system for data detection in a global positioning system satellite receiver.
  23. Hahm, Mark; Luo, Wei, Method and system for diversity processing utilizing a programmable interface suppression module.
  24. Hahm, Mark; Luo, Wei, Method and system for diversity processing utilizing a programmable interface suppression module.
  25. Hahm, Mark; Luo, Wei; Molev-Shteiman, Arkady, Method and system for interference suppression between multipath signals utilizing a programmable interface suppression module.
  26. Dicker Olaf ; Sydon Uwe ; Kockmann Juergen, Method and system for mobile communications.
  27. Hahm, Mark, Method and system for optimizing programmable interference suppression.
  28. Struhsaker,Paul F., Method for establishing a priority call in a fixed wireless access communication system.
  29. Srivastava, Arty; Ritter, Michael W.; Friday, Robert J., Method for maximizing throughput for multiple links using directional elements.
  30. San Filippo, III,William E., Method for measuring load between MCDN devices for use in determining path with optimal throughput.
  31. Kim,Duk Kyung; Lee,Sang Yun, Method of allocating channel codes for a synchronous uplink of mobile communication system.
  32. Shin, Hong Sup, Method of allocating optimum walsh codes to reverse link.
  33. Oh, Hye Ju; Kwon, O Hyung; Lee, Soo In, Method of setting and changing receive channel set of cable modem.
  34. Elezabi, Ayman Yehia; Kashef, Mohamed Tawfeek; Abdallah, Mohamed Mahmoud; Khairy, Mohamed M., Methods, systems, and computer readable media for interference-minimizing code assignment and system parameter selection for code division multiple access (CDMA) networks.
  35. Proctor, Jr., James A., Multi-detection of heartbeat to reduce error probability.
  36. Proctor, Jr., James A., Multi-detection of heartbeat to reduce error probability.
  37. Underbrink, Paul A., Personal communications device with ratio counter.
  38. Hall,Eric K.; Giallorenzi,Thomas R.; Ertel,Richard B., Pseudo-noise code hopping method and apparatus.
  39. Underbrink, Paul A., Signal detector employing a Doppler phase correction system.
  40. Underbrink, Paul A.; Gronemeyer, Steven A., Signal detector employing a doppler phase correction system.
  41. Gronemeyer, Steven A., Signal detector employing coherent integration.
  42. Steven A. Gronemeyer, Signal detector employing coherent integration.
  43. Gronemeyer Steven A., Signal detector employing correlation analysis of non-uniform and disjoint sample segments.
  44. Gronemeyer, Steven A., Signal detector employing correlation analysis of non-uniform and disjoint sample segments.
  45. Gronemeyer,Steven A., Signal detector employing correlation analysis of non-uniform and disjoint sample segments.
  46. Kudhrethaya, Shridhara A.; Underbrink, Paul A., Spread spectrum receiver performance improvement.
  47. Nieczyporowicz,Leon L.; Ertel,Richard B.; Giallorenzi,Thomas R.; Hall,Eric K., Spreading code hopping for synchronous DS-CDMA system to mitigate interference effects.
  48. Underbrink, Paul A.; Gronemyer, Steven A., System and method for despreading in a spread spectrum matched filter.
  49. Underbrink, Paul A.; Gronemyer, Steven A., System and method for despreading in a spread spectrum matched filter.
  50. Proctor, Jr., James A., System and method for maintaining wireless channels over a reverse link of a CDMA wireless communication system.
  51. Struhsaker, Paul F., TDD FDD communication interface.
  52. Kanamaluru, Sridhar, Ultra-wideband multi-beam adaptive antenna.
  53. Struhsaker, Paul F., Wireless communication system and device for coupling a base station and mobile stations.
  54. Struhsaker, Paul F., Wireless communication system and device for coupling a base station and mobile stations.
  55. Struhsaker, Paul F., Wireless communication system and device for coupling a base station and mobile stations.
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