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Method for interference cancellation in a cellular CDMA network

IPC분류정보
국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판)
  • H04J-003/14
  • H04J-013/02
출원번호 US-0714161 (1996-11-22)
우선권정보 FI-0001310 (1994-03-21)
국제출원번호 PCT/FI95/00146 (1995-03-20)
§371/§102 date 19961122 (19961122)
국제공개번호 WO-9526593 (1995-10-05)
발명자 / 주소
  • Hottinen Ari,FIX
  • Kiema Arto,FIX
  • Laakso Timo,FIX
  • Hakkinen Hannu,FIX
  • Tuoriniemi Aimo,FIX
  • Keskitalo Ilkka,FIX
  • Jolma Petri,FIX
  • Kuhn Ingo,FIX
  • Savusalo Jari,FIX
  • Karkkainen Ari,FIX
  • Siira
출원인 / 주소
  • Nokia Telecommunications OY, FIX
대리인 / 주소
    Pillsbury Madison & Sutro LLP
인용정보 피인용 횟수 : 27  인용 특허 : 5

초록

Interference in a cellular CDMA network due to mobile stations causing multiple use of one carrier frequency in neighboring cells is cancelled. A hard handover is implemented by defining the phase of a spread spectrum code in a signal transmitted from a base station to a mobile followed by measureme

대표청구항

[ We claim:] [1.] A method for cancelling interference in a cellular CDMA network served by base stations having receivers, in which method the interference caused by mobile stations that are roaming in the neighboring cells is taken into account in the base station receivers, comprising the steps o

이 특허에 인용된 특허 (5)

  1. Gilhousen Klein S. (San Diego CA) Padovani Roberto (San Diego CA) Wheatly ; III Charles E. (Del Mar CA), Diversity receiver in a CDMA cellular telephone system.
  2. Honig Michael L. (Bloomfield NJ) Madhow Upamanyu (Morristown NJ), Interference suppression in CDMA systems.
  3. Andersson Claes H. (Stockholm SEX) Eriksson Hakan O. (Vallentuna SEX) Madfors Magnus E. (Sollentuna SEX) Persson Bengt Y. (Djursholm SEX), Mobile assisted channel allocation.
  4. Blakeney ; II Robert D. (San Diego CA) Karmi Gadi (San Diego CA) Tiedemann ; Jr. Edward G. (San Diego CA) Weaver ; Jr. Lindsay A. (San Diego CA), Mobile station assisted soft handoff in a CDMA cellular communications system.
  5. Wejke Anna M. (Stockholm SEX) Andersson Claes (Stockholm SEX), Neighbor-assisted handoff in a cellular communications system.

이 특허를 인용한 특허 (27)

  1. Kim, Min-Goo; Gu, Young-Mo; Kim, Sung-Soo; Kim, Byung-Sik, Apparatus and method for hard handover in a wireless communication system.
  2. Jack Holtzman ; Dilip G. Warrier, CDMA multiple access interference cancellation using signal estimation.
  3. Ishikawa, Yoshihiro; Watanabe, Yasuyuki; Sato, Takaaki, Call acceptance control method for CDMA mobile radio communication system and mobile station device.
  4. Affes, Sofi?ne; Hansen, Henrik; Mermelstein, Paul, Interference suppression in CDMA systems.
  5. Arpee, John; Carlson, John Peter, Method and apparatus for determining coupled path loss.
  6. Arpee, John; Carlson, John Peter, Method and apparatus for determining path loss by active signal detection.
  7. Carlson, John Peter; Arpee, John, Method and apparatus for determining path loss by combining geolocation with interference suppression.
  8. Honkasalo Harri ; Honkasalo Zhi-Chun ; Sunay Oguz ; Ma Lin ; Hottinen Ari,FIX, Method and apparatus for operating an indoor CDMA telecommunications system.
  9. Müller, Walter, Method and arrangement in a telecommunication system.
  10. Baker, Matthew P. J.; Moulsley, Timothy J., Method for conformance testing of radio communication equipment.
  11. Nylander, Tomas; Hedberg, Tomas; Andersson, Claes; Vikberg, Jari, Method of configuring a small cell radio base station.
  12. Nagaraj, Shirish; Vasudevan, Subramanian, Method to control the effects of out-of-cell interference in a wireless cellular system using backhaul transmission of decoded data and formats.
  13. Ganti,Anand; Haner,Mark; Klein,Thierry E., Methods and devices for assigning mobile devices to base stations in the presence of interference.
  14. Demers, Stephanie; Zablocky, Paul G.; Moshavi, Shimon, Methods and systems for reducing interference across coverage cells.
  15. Sekine, Kiyoki; Kawabe, Manabu; Horiguchi, Kenji, Mobile communication system for accomplishing handover with phase difference of frame sync signals corrected.
  16. Uchida,Shigenori; Suzuki,Mitsuhiro; Sakoda,Kazuyuki, Radio communication system, radio communication apparatus and radio communication method, and computer program.
  17. Laakso,Janne; Holma,Harri; Raitola,Mika; Heiska,Kari, Radio resource management in a communication system.
  18. Melero, Juan, Reporting communication link information.
  19. Melero, Juan, Reporting communication link information.
  20. Melero, Juan, Reporting communication link information.
  21. Melero, Juan, Reporting communication link information.
  22. Tran, Phat H., System and method for balancing communication traffic loading between adjacent base stations in a mobile communications network.
  23. Tran, Phat H., System and method for balancing communication traffic loading between adjacent base stations in a mobile communications network.
  24. Tran, Phat H., System and method for balancing communication traffic loading between adjacent base stations in a mobile communications network.
  25. Tran,Phat H., System and method for balancing communication traffic loading between adjacent base stations in a mobile communications network.
  26. Carlsson Roland,SEX ; Karlsson Torbjorn,SEX, System and method relating to cellular communication systems.
  27. Suzuki Mitsuhiro,JPX, Transmission rate control method for avoiding interference in radio communications.
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