[특허]Transmission apparatus and transmission method using a plurality of divided frequency bands in a communication band

[미국특허] Transmission apparatus and transmission method using a plurality of divided frequency bands in a communication band 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	H04B-007/208 H04J-001/00 H04W-004/00
출원번호	US-0185012 (2011-07-18)
등록번호	US-8379620 (2013-02-19)
우선권정보	JP-2003-280557 (2003-07-28); JP-2004-213588 (2004-07-21)
발명자 / 주소	Kishigami, Takaaki Nakagawa, Yoichi Miyano, Kentaro
출원인 / 주소	Panasonic Corporation
인용정보	피인용 횟수 : 0 인용 특허 : 27

초록 ▼

A radio communication apparatus capable of alleviating a burden in setting a transmission format and suppressing increases in the scale of the apparatus. In this apparatus, space multiplexing adaptability detection section (108) detects space multiplexing transmission adaptability for divided bands (DB-1 to DB-Nd) obtained by dividing a communication band to which Ns subcarrier signals belong in multicarrier transmission and to which a plurality of subcarrier signals belong, and outputs the detection results (#1 to #Nd). Transmission format setting section (110) sets a transmission format when carrying out radio transmission based on the detection results (#1 to #Nd) from space multiplexing adaptability detection section (108).

대표청구항 ▼

1. A transmission apparatus that communicates with a reception apparatus using a plurality of divided frequency bands in a communication band, the communication band being divided into the plurality of divided frequency bands and each divided frequency band including a plurality of subcarriers, the transmission apparatus comprising: a generator configured to generate information per divided frequency band according to a format including information on a spatial multiplexing number and information on a spatial multiplexing weight for use in a spatial multiplexing transmission with the reception apparatus; anda transmission section that transmits the generated information to the reception apparatus. 2. The transmission apparatus according to claim 1, wherein the format further includes one or more of information on a modulation scheme and information on a coding rate. 3. The transmission apparatus according to claim 1, further comprising: a detector configured to detect a reception quality a signal transmitted from the reception apparatus per divided frequency band, whereinthe generator generates the information per divided frequency band according to the format based on the detected reception quality per divided frequency band. 4. The transmission apparatus according to claim 1, wherein the format is set in accordance with the spatial multiplexing number of the spatial multiplexing transmission with the reception apparatus. 5. A transmission method performed by a transmission apparatus that communicates with a reception apparatus using a plurality of divided bands in a communication band, the communication band being divided into the plurality of divided frequency bands and each divided frequency band including a plurality of subcarriers, the transmission method comprising: generating information per divided frequency band according to a format including information on a spatial multiplexing number and information on a spatial multiplexing weight for use in a spatial multiplexing transmission, with the reception apparatus; andtransmitting the generated information to the reception apparatus. 6. The transmission method according to claim 5, wherein the format further includes information on a modulation scheme. 7. The transmission method according to claim 5, further comprising: detecting a reception quality a signal transmitted from h reception apparatus per divided frequency band, andgenerating the information per divided frequency band according to the format based on the detected reception quality per divided frequency band. 8. The transmission method according to claim 5, wherein the format is set in accordance with the spatial multiplexing number of the spatial multiplexing transmission with the reception apparatus.

이 특허에 인용된 특허 (27) 인용/피인용 타임라인 분석

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Classon,Brian K.; Sartori,Philippe J.; Nangia,Vijay; Zhuang,Xiangyang; Baum,Kevin L., Adaptive transmission method.
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Li,Jun Quiang; Kim,Yung Soo; Jeong,Byung Jang, Apparatus and method for allocating resources of a virtual cell in an OFDM mobile communication system.
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Kishigami, Takaaki; Nakagawa, Yoichi; Miyano, Kentaro, Apparatus and method for providing feedback information in response to subcarrier reception.
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Kishigami, Takaaki; Nakagawa, Yoichi; Miyano, Kentaro, Apparatus and method for radio communication using spatial multiplexing.
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Liu, Hui; Yin, Hujun; Li, Xiaodong; Mu, Fuqi, Channel allocation in broadband orthogonal frequency-division multiple-access/space-division multiple-access networks.
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Cimini Leonard Joseph ; Daneshrad Babak ; Sollenberger Nelson Ray, Clustered OFDM communication system.
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Zhuang, Xiangyang; Vook, Frederick W.; Thomas, Timothy A., Data transmission and reception method and apparatus.
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Lokhoff Gerardus C. P. (Eindhoven NLX) Dehery Yves-Francois (Cedex FRX) Stoll Gerhard J. (Munich DEX), Digital sub-band transmission system with transmission of an additional signal.
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Vook, Frederick W.; Thomas, Timothy A.; Zhuang, Xiangyang, Method and apparatus for multi-antenna transmission.
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Krauss,Thomas P.; Baum,Kevin L.; Nangia,Vijay, Method and apparatus for transmission and reception within an OFDM communication system.
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Jalali,Ahmad; Smee,John E.; Wallace,Mark, Method and apparatus for transmitting data in a time division duplexed (TDD) communication system.
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Sampath, Hemanth; Sebastian, Peroor K.; Paulraj, Arogyaswami J., Method and system for mode adaptation in wireless communication.
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Arogyaswami J. Paulraj ; Peroor K. Sebastian ; David J. Gesbert ; Jose Tellado, Method and wireless systems using multiple antennas and adaptive control for maximizing a communication parameter.
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Kim,Sung Hoon; Lee,Hyeon Woo; Lee,Kook Heui; Park,Joon Goo; Lee,Ju Ho; Choi,Sung Ho; Chang,Jin Weon, Method for allocating HARQ channel number for indicating state information in an HSDPA communication system.
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Ohkubo,Shinzo; Yoshino,Hitoshi; Kikuchi,Shiro, Mobile communication systems, mobile communication methods, base stations, mobile stations, and signal transmission methods in the mobile communication systems.
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Robert Louis Cupo ; Mohsen Sarraf ; Mojtaba Shariat ; Mohammad Hossein Zarrabizadeh, OFDM subcarrier hopping in a multi service OFDM system.
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Li, Xiaodong; Liu, Hui; Li, Kemin; Zhang, Wenzhong, OFDMA with adaptive subcarrier-cluster configuration and selective loading.
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Ma,Jianglei; Tong,Wen; Wu,Shiquan, Preamble design for multiple input--multiple output (MIMO), orthogonal frequency division multiplexing (OFDM) system.
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Kishigami, Takaaki; Nakagawa, Yoichi; Miyano, Kentaro, Radio communication apparatus and radio communication method.
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Murakami,Yutaka; Takabayashi,Shinichiro; Orihashi,Masayuki; Matsuoka,Akihiko, Radio communications apparatus and radio communications method.
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Matsushiro, Yukio, Radio control system and radio control method.
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Ishikawa,Kimihiko, Radio transmission apparatus and radio communication method.
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Paulraj Arogyaswami J. ; Heath ; Jr. Robert W. ; Sebastian Peroor K. ; Gesbert David J., Spatial multiplexing in a cellular network.
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Raleigh Gregory G. ; Jones ; IV Vincent K. ; Pollack Michael A., Spatio-temporal processing for communication.
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Ottersten Bjorn E.,SEX ; Barratt Craig H. ; Parish David M. ; Roy ; III Richard H., Spectrally efficient high capacity wireless communication systems with spatio-temporal processing.
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Doner John R. ; Carney Ronald R. ; Komara Michael A., Wireless system plan using in band-translators with diversity backhaul to enable efficient depolyment of high capacity base transceiver systems.
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[미국특허] Transmission apparatus and transmission method using a plurality of divided frequency bands in a communication band 원문보기