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1. (WO2010080361) METHOD AND APPARATUS FOR TRACKING FFT WINDOW POSITION
Latest bibliographic data on file with the International Bureau

Pub. No.: WO/2010/080361 International Application No.: PCT/US2009/067891
Publication Date: 15.07.2010 International Filing Date: 14.12.2009
Chapter 2 Demand Filed: 14.06.2010
IPC:
H04L 27/26 (2006.01)
H ELECTRICITY
04
ELECTRIC COMMUNICATION TECHNIQUE
L
TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
27
Modulated-carrier systems
26
Systems using multi-frequency codes
Applicants:
QUALCOMM INCORPORATED [US/US]; ATTN: International IP Administration 5775 Morehouse Drive San Diego, CA 92121-1714, US (AllExceptUS)
LI, Junqiang [CN/US]; US (UsOnly)
KIM, Je Woo [KR/US]; US (UsOnly)
BREHLER, Matthias [DE/US]; US (UsOnly)
MCCLOUD, Michael, L. [US/US]; US (UsOnly)
Inventors:
LI, Junqiang; US
KIM, Je Woo; US
BREHLER, Matthias; US
MCCLOUD, Michael, L.; US
Agent:
FRANKS, Ross, L.; ATTN: International IP Administration 5775 Morehouse Drive San Diego, CA 92121-1714, US
Priority Data:
12/337,63218.12.2008US
Title (EN) METHOD AND APPARATUS FOR TRACKING FFT WINDOW POSITION
(FR) PROCÉDÉ ET APPAREIL DE SUIVI DE POSITION DE FENÊTRE FFT
Abstract:
(EN) Techniques for the adjustment of a position of Fast Fourier Transform (FFT) window are provided. The adjustment may be based on the condition that the length of channel impulse response is larger than the length of cyclic prefix. The technique may determine a position of the FFT window that attempts to maximize carrier-to-noise (C/N) ratio value measured at the receiver.
(FR) La présente invention porte sur des techniques permettant le réglage d'une position de la fenêtre de transformée de Fourier rapide (FFT). Le réglage peut dépendre du fait que la longueur de la réponse d'impulsion de canal est plus importante que la longueur du préfixe cyclique. La technique permet de déterminer une position de la fenêtre FFT qui tente de maximiser la valeur du rapport porteuse sur bruit (C/N) mesurée au niveau du récepteur.
front page image
Designated States: AE, AG, AL, AM, AO, AT, AU, AZ, BA, BB, BG, BH, BR, BW, BY, BZ, CA, CH, CL, CN, CO, CR, CU, CZ, DE, DK, DM, DO, DZ, EC, EE, EG, ES, FI, GB, GD, GE, GH, GM, GT, HN, HR, HU, ID, IL, IN, IS, JP, KE, KG, KM, KN, KP, KR, KZ, LA, LC, LK, LR, LS, LT, LU, LY, MA, MD, ME, MG, MK, MN, MW, MX, MY, MZ, NA, NG, NI, NO, NZ, OM, PE, PG, PH, PL, PT, RO, RS, RU, SC, SD, SE, SG, SK, SL, SM, ST, SV, SY, TJ, TM, TN, TR, TT, TZ, UA, UG, US, UZ, VC, VN, ZA, ZM, ZW
African Regional Intellectual Property Organization (ARIPO) (BW, GH, GM, KE, LS, MW, MZ, NA, SD, SL, SZ, TZ, UG, ZM, ZW)
Eurasian Patent Organization (AM, AZ, BY, KG, KZ, MD, RU, TJ, TM)
European Patent Office (AT, BE, BG, CH, CY, CZ, DE, DK, EE, ES, FI, FR, GB, GR, HR, HU, IE, IS, IT, LT, LU, LV, MC, MK, MT, NL, NO, PL, PT, RO, SE, SI, SK, SM, TR)
African Intellectual Property Organization (BF, BJ, CF, CG, CI, CM, GA, GN, GQ, GW, ML, MR, NE, SN, TD, TG)
Publication Language: English (EN)
Filing Language: English (EN)