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특허 상세정보

Apparatus and method for transmitting or receiving data

국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판) H04L-027/00   
미국특허분류(USC) 375/295; 375/316; 375/358; 375/354; 714/701; 714/800; 714/746; 714/776; 714/799; 714/801
출원번호 US-0582615 (2004-12-22)
등록번호 US8023585 (2011-09-06)
우선권정보 JP-2003-003-435638(2003-12-26)
국제출원번호 PCT/JP2004/019721 (2004-12-22)
§371/§102 date 20060612 (20060612)
국제공개번호 WO05/064838 (2005-07-14)
발명자 / 주소
출원인 / 주소
대리인 / 주소
    Robinson Intellectual Property Law Office, P.C.
인용정보 피인용 횟수 : 3  인용 특허 : 19
초록

A bit adding part acquires RSSI as measured by an RSSI measuring part, and adds “1” to each bit of protected audio data of an audio vocoder, if the acquired RSSI is smaller than a predetermined threshold value. If the acquired RSSI is equal to or greater than the predetermined threshold value, the bit adding part adds the bits of additional data to the respective bits of the protected data of the audio vocoder. A frame recovery part separates upper and lower order bits of deinterleaved data, and determines, based on CRC, whether eight data parts as obtai...

대표
청구항

The invention claimed is: 1. A transmitting apparatus for 4-value FSK modulation for transmitting data using four symbol values, the transmitting apparatus comprising:a dividing part supplied with original data arranged in order from one with highest importance, which comprises first data and second data after the first data and for dividing the first data, the first data being protected and having a predetermined number of higher order bits, the second data not being protected into first bit data in a unit of one bit and the second data into second bit ...

이 특허에 인용된 특허 (19)

  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. Labonte Sylvain,CAX ; Turcotte Eric,CAX. Estimation of radio channel bit error rate in a digital radio telecommunication network. USP1998105828672.
  4. Persson Paul M. (Flintvgen 20 S-175 61 Jrflla SEX). Information transmitting system. USP1981074277778.
  5. Vermesse Bernard (L\Hay les Roses FRX). Limited write non-volatile memory and a franking machine making use thereof. USP1991014984191.
  6. Thapar Hemant K. (Marlboro NJ). Method and apparatus for coding a binary signal. USP1985084534040.
  7. 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.
  8. 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.
  9. Todoroki Toshiya (Tokyo JPX). Method of and system for data transmission employing trellis coded modulation. USP1995105457705.
  10. Suzuki Yoshifumi,JPX ; Shirato Tadashi,JPX. Modulation and demodulation method, modulator and demodulator. USP1998105818875.
  11. Chung Hong Y. (Eatontown NJ) Wang Jin-Der (Ocean NJ) Wei Lee-Fang (Lincroft NJ). Multiplexed coded modulation with unequal error protection. USP1993055214656.
  12. Kushita Masayuki,JPX. Network for transmitting information data without error correction when a transmission channel quality is good, or with. USP1998115835508.
  13. Fox David A. (Shawnee Township ; Allen County OH). Position detector utilizing gray code format. USP1990024901072.
  14. Tada Ken-ichi,JPX. Quaternary FSK receiver and method of judging signals in quaternary FSK receiver. USP2001056232906.
  15. 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.
  16. 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.
  17. Carsello Stephen R. (Boynton Beach FL). Selective call receiving device with improved symbol decoding and automatic frequency control. USP1996105566213.
  18. 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.
  19. 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.