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특허 상세정보

Scrambler, scramble processing method, and program

국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판) H04L-009/00   
미국특허분류(USC) 380/268; 380/028; 375/140
출원번호 US-0420313 (2009-04-08)
등록번호 US-8396219 (2013-03-12)
우선권정보 JP-2004-287157 (2004-09-30)
발명자 / 주소
출원인 / 주소
대리인 / 주소
    Robinson, Eric J.
인용정보 피인용 횟수 : 0  인용 특허 : 24
초록

A multiplication value decision unit (12) decides a multiplication value which is a positive value or a negative value corresponding to a bit value of each bit contained in a binary bit string constituting a scramble pattern generated in a pattern generation unit (11). A multiplication processing unit (13) multiplies symbol data representing each symbol value in the symbol data string formed by the multinary symbol containing a predetermined pair of a positive value and a negative value having an identical absolute value, in the value area, by the multip...

대표
청구항

1. A scramble method for performing a scrambling of symbols using a data processing device, the method comprising: a pattern generating step of generating a scramble pattern for each symbol using the data processing device;a multiplication value decision step of determining a positive or negative multiplication value corresponding to a bit value of each bit contained in a binary bit string forming a scramble pattern generated by the pattern generation step using the data processing device;a symbol data generating step of inputting a data string whose sig...

이 특허에 인용된 특허 (24)

  1. Rydbeck Nils R. C. (Vildanden J101 22234 Lund SW) Sundberg Carl-Erik Wilhelm (Vildanden C506 22234 Lund SW). Adaptive error correcting transmission system. USP1977094047151.
  2. Tanaka Kenya (Kawasaki JPX) Yokota Yasuhiro (Kawasaki JPX). Code transmission system and portable pager in radio paging system. USP1997105677681.
  3. Kuznetsov Alexander,RUX ; Umemoto Masuo,JPX ; Kobayashi Naoya,JPX ; Sawaguchi Hideki,JPX. Digital write-and-read method and signal processing apparatus. USP1999035881071.
  4. Labonte Sylvain,CAX ; Turcotte Eric,CAX. Estimation of radio channel bit error rate in a digital radio telecommunication network. USP1998105828672.
  5. Wakatsuki Yoshio (Tokyo JPX) Takeuchi Hajime (Tokyo JPX) Shimizu Giichiro (Tokyo JPX). FSK demodulating device. USP1990014897857.
  6. Persson Paul M. (Flintvgen 20 S-175 61 Jrflla SEX). Information transmitting system. USP1981074277778.
  7. Vermesse Bernard (L\Hay les Roses FRX). Limited write non-volatile memory and a franking machine making use thereof. USP1991014984191.
  8. Thapar Hemant K. (Marlboro NJ). Method and apparatus for coding a binary signal. USP1985084534040.
  9. Dehner ; Jr. Leo G. (Boynton Beach FL) Ayerst Douglas I. (Delray Beach FL) Carsello Stephen R. (Boynton Beach FL). Method and apparatus for minimizing false detection of packet data in a communication receiver. USP1995125473612.
  10. Frodigh Carl Magnus,SEX ; Hook Mikael,SEX ; Muller Frank,SEX ; Schramm Peter,DEX ; Skold Johan,SEX. Method for demodulating information in a communication system that supports multiple modulation schemes. USP2000096125148.
  11. Johnson Christopher L.. Method of adding encryption/encoding element to the modulation/demodulation process. USP2000126157679.
  12. Todoroki Toshiya (Tokyo JPX). Method of and system for data transmission employing trellis coded modulation. USP1995105457705.
  13. Suzuki Yoshifumi,JPX ; Shirato Tadashi,JPX. Modulation and demodulation method, modulator and demodulator. USP1998105818875.
  14. Chung Hong Y. (Eatontown NJ) Wang Jin-Der (Ocean NJ) Wei Lee-Fang (Lincroft NJ). Multiplexed coded modulation with unequal error protection. USP1993055214656.
  15. Kushita Masayuki,JPX. Network for transmitting information data without error correction when a transmission channel quality is good, or with. USP1998115835508.
  16. Fox David A. (Shawnee Township ; Allen County OH). Position detector utilizing gray code format. USP1990024901072.
  17. Tada Ken-ichi,JPX. Quaternary FSK receiver and method of judging signals in quaternary FSK receiver. USP2001056232906.
  18. Mizuki, Takayuki; Ohashi, Setsuya; Yamao, Yasushi; Ito, Shogo. Radio paging signal coding control scheme using variable number of logical channels according to paging signal traffic. USP2003016512748.
  19. Mobley Joseph G. (Dunwoody GA) Kozushin Anatoly (Duluth GA) Baher Saeed (Atlanta GA) Addison Steve (Atlanta GA) Paulk Howard (Woodstock GA) Farmer James (Doraville GA). Scrambling of signals by inversion. USP1989124888799.
  20. Carsello Stephen R. (Boynton Beach FL). Selective call receiving device with improved symbol decoding and automatic frequency control. USP1996105566213.
  21. White Gregory Charles ; Emeott Stephen Paul. System for error control by subdividing coded information units into subsets reordering and interlacing the subsets, to produce a set of interleaved coded information units. USP2001106311306.
  22. Dent, Paul W.. Systems and methods for communicating spread spectrum signals using variable signal constellations. USP2005086934317.
  23. Hanson Merle E. (Livermore CA) Titchener Paul F. (Menlo Park CA) Hamberlin Clifford W. (Kingwood TX). Tool and combined tool support and casing section for use in transmitting data up a well. USP1986104616702.
  24. Beigel Michael L. ; Malm Robert E.. Universal electronic identification tag. USP2001066249212.