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CDMA frequency allocation 원문보기

IPC분류정보
국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판)
  • H04B-007/216
  • H04B-001/76
출원번호 US-0162948 (1993-12-08)
발명자 / 주소
출원인 / 주소
  • Telefonaktiebolaget L M Ericsson (Stockholm SEX 03)
인용정보 피인용 횟수 : 62  인용 특허 : 0

초록 ▼

A Code Division Multiple Access (CDMA) communication system which allocates different sets of frequencies to cells with different transmission power levels. Based upon the transmission power levels of a base station for each cell, each base station is assigned to one of at least two groups of base s

대표청구항 ▼

In a multiple access, spread spectrum communication system for communication information signals, which include speech, control and pilot-sequence signals, between a plurality of base station and a plurality of mobile stations, a method comprising: coding blocks of bit sequences of an information si

이 특허를 인용한 특허 (62)

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  8. Lomp, Gary R.; Ozluturk, Faith M.; Kowalski, John, Automatic power control system for a code division multiple access (CDMA) communications system.
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  10. Lomp,Gary; Ozluturk,Fatih; Kowalski,John, Automatic power control system for a code division multiple access (CDMA) communications system.
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  14. Ozluturk, Fatih M.; Lomp, Gary R., Centroid tracking for spread-spectrum communications.
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  15. Ozluturk, Fatih M.; Jacques, Alexander M.; Lomp, Gary R.; Kowalski, John, Code division multiple access (CDMA) communication system.
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  17. Agre Daniel H., Coexisting GSM and CDMA wireless telecommunications networks.
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  18. Wong, Gabriel K.; Tui, Po S., Communication system allowing network nodes to efficiently establish communications with a controller.
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  19. Wong, Gabriel K.; Tui, Po S., Communication system allowing node identification.
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  20. Wong, Gabriel K.; Tsui, Po S., Communication system with map of information provided from controller to enable communication with nodes.
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  21. Yi Byung Kwan, Communications system handoff operation combining turbo coding and soft handoff techniques.
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  22. Yi Byung Kwan, Communications system handoff operation combining turbo coding and soft handoff techniques.
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  24. Ozluturk,Fatih M.; Lomp,Gary R.; Kowalski,John, Initial power control for spread-spectrum communications.
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  25. Wengerter, Christian; Golitschek Edler Von Elbwart, Alexander, Interference balancing in a wireless communication system.
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  26. Lomp,Gary R., Median weighted tracking for spread-spectrum communications.
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  27. Ozluturk, Fatih; Lomp, Gary R.; Kowalski, John, Method and apparatus for adaptive power control for spread-spectrum communications.
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  28. Weaver ; Jr. Lindsay A. ; Holcman Toni Lee ; Munsinger David B. ; Ziv Noam A. ; Baker Kenneth R., Method and apparatus for measurement directed hard handoff in a CDMA system.
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  29. Blessent Luca ; Motiwala Quaeed, Method and apparatus for processing a punctured pilot channel.
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  30. Blessent,Luca; Motiwala,Quaeed, Method and apparatus for processing a punctured pilot channel.
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  31. Ziv Noam A. ; Tiedemann ; Jr. Edward G., Method and apparatus for providing centralized power control administration for a set of base stations.
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  32. Tiedemann ; Jr. Edward G., Method and apparatus for providing diversity in hard handoff for a CDMA system.
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  33. Owen Scott M. ; Hughes Robbin D., Method and apparatus for scanning other frequency pilot signals in a code division multiple access communication system.
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  34. Ozluturk, Fatih; Lomp, Gary, Method and subscriber unit for performing power control.
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  35. Ozluturk, Fatih M.; Lomp, Gary R.; Kowalski, John, Method for adaptive forward power control for spread-spectrum communications.
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  36. Ozluturk, Faith M.; Lomp, Gary R.; Kowalski, John, Method for adaptive reverse power control for spread-spectrum communications.
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  37. Ahn, Jae-Young; Lee, Hee-Soo; Kwon, Jae-Kyun, Method for resource partition, assignment, transmission and reception for inter-cell interference migration in downlink of OFDM cellular systems.
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  38. Gerlach, Christian Georg, Method for terminal-assisted interference control in a multi-carrier mobile communication system.
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  39. Hwang,Seung Hoon; Kim,Bong Hoe; Kwon,Sung Lark, Method of controlling timing for uplink synchronous transmission scheme.
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  40. Hamabe, Kojiro, Method of preventing interference of adjacent frequencies in a cellular system by selection between adjacent carrier frequency and non-adjacent carrier frequency.
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  51. Lundh, Peter; Andersson, Rutger; Hansson, Bert; Karlsson, Patrik, System and method for implementing multiple carriers in cellular networks.
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  53. Ozluturk,Fatih M.; Lomp,Gary R., System for using rapid acquisition spreading codes for spread-spectrum communications.
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  54. Moulsley,Timothy J., Telecommunication system with channel sharing.
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  56. Wengerter, Christian; Golitschek Edler Von Elbwart, Alexander, Transmission power level setting during channel assignment for interference balancing in a cellular wireless communication system.
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  57. Stirling Gallacher, Richard; Jurgensen, Jens Uwe, Transmitter and transmitting method increasing the flexibility of code assignment.
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  58. Stirling-Gallacher, Richard; Jürgensen, Jens-Uwe, Transmitter and transmitting method increasing the flexibility of code assignment.
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  59. Stirling-Gallacher, Richard; Jürgensen, Jens-Uwe, Transmitter and transmitting method increasing the flexibility of code assignment.
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  60. Stirling-Gallacher, Richard; Jürgensen, Jens-Uwe, Transmitter and transmitting method increasing the flexibility of code assignment.
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  61. Paksoy,Erdal; McCree,Alan V., Wideband speech coding system and method.
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  62. Holdrege, Ward A.; Wood, Daniel J., Wideband wireless communications architecture.
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