[특허]Method for transmitting two parallel channels using code division and an apparatus realizing the method

Method for transmitting two parallel channels using code division and an apparatus realizing the method 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	H04J-013/04
출원번호	US-0086077 (1998-05-28)
우선권정보	FI0002278 (1997-05-29)
발명자 / 주소	Pehkonen Kari,FIX Lilja Harri,FIX
출원인 / 주소	Nokia Mobile Phones Ltd., FIX
대리인 / 주소	Perman & Green, LLP
인용정보	피인용 횟수 : 17 인용 특허 : 17

초록

To simultaneously transmit data related to two channels using code division

대표청구항 ▼

[ What is claimed is:] [1.]1. A communications device for the simultaneous transmission of data related to a first channel and data related to a second channel using code division, comprising:first spreading means for spreading data related to the first channel using a predetermined first spreading code,second spreading means for spreading said data related to the first channel using a predetermined second spreading code,third spreading means for spreading data related to the second channel using said first spreading code,fourth spreading means for spreading said data related to the second channel using said second spreading code,means for changing the power level of a signal representing the data related to the second channel after the spreading with respect to the power level of a signal representing the data related to the first channel after the spreading, andcombiner means to compile a transmission from spread data related to the first channel and spread data related to the second channel the power level of which has been changed, said combiner means comprising:means for calculating the difference between data related to a first channel spread with a first spreading code, and data related to a second channel, spread with a second spreading code and the power level of which has been changed, and means for calculating the sum of data related to the first channel, spread with the second spreading code, and data related to the second channel, spread with the first spreading code and the power level of which has been changed.

이 특허에 인용된 특허 (17)

Wilson Michael L. (Salt Lake City UT) Zscheile ; Jr. John W. (West-Farmington UT) Saggio Richard J. (Salt Lake City UT) Lundquist Alan E. (Salt Lake City UT), Apparatus and method for generating and utilizing pseudonoise code sequences.
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Kuisma Erkki J. (Salo FIX), Circuit arrangement for the generation of I,Q waveforms.
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Kuisma Erkki J. (Salo FIX), Combined analog/digital frequency modulator.
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Leppanen Pentti (Oulu FIX), Communication method and system.
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Mattila Heikki (Oulu FIX) Matero Jorma (Oulu FIX) Hulkko Jaakko (Oulu FIX), Dual mode FM and DQPSK modulator.
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Mattila Heikki (Oulu FIX) Matero Jorma (Oulu FIX) Hulkko Jaakko (Oulu FIX), Dual mode radiotelephone terminal selectively operable for frequency modulated or phase modulated operation.
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Visnen Risto (Salo FIX), I/Q modulator and demodulator having a single bridge.
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Murtojarvi Simo (Salo FIX), I/Q-modulator and I/Q-demodulator.
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Zehavi Ephraim (San Diego CA), Method and apparatus for bifurcating signal transmission over in-phase and quadrature phase spread spectrum communicatio.
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Mikkola Pekka,FIX ; Lintinen Markku,FIX ; Ranta Jukka,FIX, Method and apparatus for compensation for a DC voltage offset of a digital to analog converter.
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Murtojarvi Simo (Salo FIX), Mixer circuit.
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Mucke Lars H. (San Diego CA), Phaseshift network for an IQ modulator.
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Matero Jorma (Oulu FIX), Regulation of modulator I and Q signal phasing.
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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.
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Gilhousen Klein S., System and method for orthogonal spread spectrum sequence generation in variable data rate systems.
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Lucas Philippe (Palaiseau FRX) Mege Philippe (Bourg La Reine FRX), Transmission method for CDMA radiotelephone communications, and apparatuses for implementing such method.
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Tiittanen Erkki (Oulu FIX) Mattila Heikki (Oulu FIX) Rautava Tapio (Oulu FIX) Matero Jorma (Oulu CA FIX) Ostman Kjell (San Diego CA) Halttunen Mikko (Oulu FIX), Tuning techniques for I/Q channel signals in microwave digital transmission systems.
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이 특허를 인용한 특허 (17)

Ranta, Jukka; Häkkänen, Jouko; Rosnell, Seppo; Ekman, Tapani, Accessory interface within a multiple channel radio apparatus.
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Yun,Yu Suk; Yoon,Soon Young; Maeng,Seung Joo, Apparatus and method for gated transmission in CDMA communication system.
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Klomsdorf, Armin; Schwent, Dale G.; Trocke, Robert S., Apparatus and method for transmitter phase shift compensation.
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Baek, Jongseob; Ko, Woosuk; Hong, Sungryong, Broadcast signal transmitting apparatus, broadcast signal receiving apparatus, broadcast signal transmitting method, and broadcast signal receiving method.
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Baek, Jongseob; Ko, Woosuk; Hong, Sungryong, Broadcast signal transmitting apparatus, broadcast signal receiving apparatus, broadcast signal transmitting method, and broadcast signal receiving method.
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Koo, Chang-Hoi; Kim, Dae-Gyun, Channel assigning device and method in CDMA communication system.
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Park, Chester; Sundström, Lars; Svensson, Jim, Inter-carrier bandwidth control for mitigating IQ imbalance.
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Lee,Dae Hun, Modulator of phase shift keying (PSK) type.
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Cameron,Kelly Brian; Shen,Ba Zhong; Tran,Hau Thien, Parallel concatenated turbo code modulation encoder.
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Palanki, Ravi; Khandekar, Aamod; Sutivong, Arak, Pilot and data transmission in a quasi-orthogonal single-carrier frequency division multiple access system.
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Lyu, Dug In, Scrambling codes and channelization codes for multiple chip rate signals in CDMA cellular mobile radio communication system.
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Benavides, Armando, System and method for accurate downlink power control of composite QPSK modulated signals.
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Malladi, Durga Prasad; Willenegger, Serge; Zhang, Xiaoxia, Systems and methods for communicating control data using multiple slot formats.
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Malladi,Durga Prasad; Willenegger,Serge D.; Zhang,Xiaoxia, Systems and methods for communicating control data using multiple slot formats.
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Malladi, Durga Prasad; Willenegger, Serge D.; Zhang, Xiaoxia, Systems and methods for multiplexing control data for multiple data channels onto a single control channel.
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Malladi,Durga Prasad; Willenegger,Serge D., Systems and methods for multiplexing control information onto a physical data channel.
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A	생활필수품
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Method for transmitting two parallel channels using code division and an apparatus realizing the method 원문보기