単一周波数帯域での複数搬送波送信

Japanese Patent JP5456790

B2

Systems and methodologies are described that facilitate synthesizing a single baseband waveform from digital signals related to multiple carriers. Digital signals can be received relating to a plurality of carriers. The digital signals can result from spreading data symbols from transport blocks to create chip sequences, which can additionally be pulse shaped. The digital signals can be rotated in a positive or negative direction, such as according to a complex sinusoid or a negative representation thereof. The rotated signals can be combined or added to generate a single baseband waveform. The single baseband waveform can be converted to an analog signal, which can be up-converted and centered at a plurality of frequency carriers, which can be adjacent, assigned for transmitting the signal. In addition, optimizations can be provided to ensure threshold power ratio over the plurality of carriers for effectively transmitting jointly encoded signals.

WO/2006/092093	METHOD AND DEVICE FOR SUPPRESSING NARROWBAND INTERFERENCE
JP5176692	Distortion compensation circuit and distortion compensation method
JP4249203	Switching control circuit and wireless communication device using it

Sam Buwani, Sharad Deepak
Choi, Ze Young
Li, hecheon
Ballad Wazi, Arjun

JP2011545408A

April 02, 2014

January 06, 2010

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QUALCOMM INCORPORATED

H04B1/707; H04J13/10; H04L27/00; H04L27/34

JP2004274243A
JP2005039828A

WO2005011223A1
WO2008129609A1
WO2007069788A1
US6339621

QUALCOMM Europe,Further description of WCDMA based E-UTRA,3GPP R1-051109,2005年10月14日
QUALCOMM Europe,Reducing smallest E-TFCI value,3GPP R1-080806,2008年 2月14日

Kurata Masatoshi
Yoshihiro Fukuhara
Nobuhisa Nogawa
Takashi Mine
Naoki Kono
Katsu Sunagawa
Morisezo Iseki
Takao Ako
Tadashi Inoue
Tatsushi Sato
Takashi Okada
Mihoko Horiuchi

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