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1. (WO2013118850) PORTABLE INFORMATION TERMINAL, DEMODULATION METHOD, AND CONTROL PROGRAM THEREOF

Pub. No.:    WO/2013/118850    International Application No.:    PCT/JP2013/052960
Publication Date: Fri Aug 16 01:59:59 CEST 2013 International Filing Date: Sat Feb 02 00:59:59 CET 2013
IPC: H04J 11/00
H04B 1/16
Applicants: NEC CORPORATION
日本電気株式会社
NTT DOCOMO, INC.
株式会社エヌ・ティ・ティ・ドコモ
OGORO, Kazuo
尾頃 和夫
Inventors: OGORO, Kazuo
尾頃 和夫
Title: PORTABLE INFORMATION TERMINAL, DEMODULATION METHOD, AND CONTROL PROGRAM THEREOF
Abstract:
This invention relates to a portable information terminal having a function to receive digital broadcasts. Information of Doppler frequency is estimated from received waves. A traveling speed is estimated on the basis of the estimated information of Doppler frequency. A parameter of FFT window is determined in accordance with the estimated traveling speed.