US Patent No: 8,155,224

Number of patents in Portfolio can not be more than 2000

Transmission method, transmission apparatus, and reception apparatus

ALSO PUBLISHED AS: 20100128758

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Abstract

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A transmission method for transmitting modulation signals of a plurality of channels to the same frequency band from a plurality of antennas. At the time when a symbol used for demodulation is inserted in a channel, in another channel symbol, the same phase and quadrature signals in the in-phase-quadrature plane are made to be zero signals. Thus, a plurality of modulation signals are multiplexed and transmitted and the transmitted multiplexed modulation signals are demultiplexed and demodulated at a reception apparatus, thereby improving the data transmission rate.

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First Claim

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Patent Owner(s)

Patent OwnerAddressTotal Patents
WI-FI ONE, LLCPLANO, TX65

International Classification(s)

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  • [Patents Count]

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Matsuoka, Akihiko Yokohama, JP 156 796
Murakami, Yutaka Kawasaki, JP 307 1204
Orihashi, Masayuki Ichikawa, JP 166 738

Cited Art Landscape

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SONY CORPORATION (1)
6,888,789 Transmitting apparatus, receiving apparatus, communication system, transmission method, reception method, and communication method 49 2000
 
NOKIA TECHNOLOGIES OY (1)
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SONY DEUTSCHLAND GMBH (1)
7,221,645 Pilot pattern design for a STTD scheme in an OFDM system 26 2001
 
HITACHI, LTD. (1)
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MOTOROLA SOLUTIONS, INC. (1)
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AT&T WIRELESS SERVICES, INC. (1)
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APPLE INC. (8)
6,850,481 Channels estimation for multiple input--multiple output, orthogonal frequency division multiplexing (OFDM) system 107 2000
6,985,434 Adaptive time diversity and spatial diversity for OFDM 149 2000
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7,233,625 Preamble design for multiple input--multiple output (MIMO), orthogonal frequency division multiplexing (OFDM) system 97 2001
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2007/0036,069 Adaptive time diversity and spatial diversity for OFDM 17 2006
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2008/0002,568 Adaptive time diversity and spatial diversity for OFDM 22 2007
 
GOOGLE TECHNOLOGY HOLDINGS LLC (1)
7,139,237 Method and system for multirate multiuser modulation 25 2001
 
UNWIRED PLANET, LLC (1)
6,888,903 Digital communication receiver and a method for the operation thereof 18 2000
 
WI-FI ONE, LLC (4)
6,625,111 OFDM communication apparatus 42 2000
6,993,092 Transmission apparatus, reception apparatus and digital radio communication method 28 2000
2004/0240,571 Transmission method, transmission apparatus, and reception apparatus 23 2004
7,359,457 Transmission apparatus, reception apparatus and digital radio communication method 12 2004
 
RPM PARTNERSHIP (1)
2002/0065,047 Synchronization, channel estimation and pilot tone tracking system 111 2001
 
QUALCOMM INCORPORATED (2)
6,473,467 Method and apparatus for measuring reporting channel state information in a high efficiency, high performance communications system 493 2000
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SAMSUNG THOMSON-CSF CO., LTD. (1)
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BLACKBERRY LIMITED (1)
6,298,050 System and method for cancelling the extra interference created during position location in a CDMA cellular system 43 1998
 
FUJITSU LIMITED (2)
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ERICSSON INC. (1)
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INTEL CORPORATION (1)
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PANASONIC INTELLECTUAL PROPERTY CORPORATION OF AMERICA (5)
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7,131,380 EB pattern profile printing 6 2001
 
AT&T CORP. (1)
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* Cited By Examiner

Patent Citation Ranking

Forward Cite Landscape

Patent Info (Count) # Cites Year
 
WI-FI ONE, LLC (4)
8,891,678 Receiving apparatus and receiving method 0 2013
* 8,744,005 Method and apparatus for generating modulation signals 1 2013
9,048,988 Transmission signal generation apparatus, transmission signal generation method, reception signal generation apparatus, and reception signal generation method 0 2013
8,934,578 Method of demodulating modulation signals 0 2014
 
PANASONIC INTELLECTUAL PROPERTY CORPORATION OF AMERICA (1)
8,982,998 Transmission and reception apparatus and method 0 2014
* Cited By Examiner

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