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1. (WO2017034291) METHOD AND APPARATUS FOR ESTIMATING FREQUENCY OFFSET IN WIRELESS COMMUNICATION SYSTEM
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Pub. No.: WO/2017/034291 International Application No.: PCT/KR2016/009297
Publication Date: 02.03.2017 International Filing Date: 23.08.2016
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:
삼성전자 주식회사 SAMSUNG ELECTRONICS CO., LTD. [KR/KR]; 경기도 수원시 영통구 삼성로 129 129, Samsung-ro, Yeongtong-gu Suwon-si, Gyeonggi-do 16677, KR
Inventors:
이익범 LEE, Ikbeom; KR
Agent:
윤동열 YOON, Dong Yol; KR
Priority Data:
10-2015-011943225.08.2015KR
Title (EN) METHOD AND APPARATUS FOR ESTIMATING FREQUENCY OFFSET IN WIRELESS COMMUNICATION SYSTEM
(FR) PROCÉDÉ ET APPAREIL PERMETTANT D'ESTIMER UN DÉCALAGE DE FRÉQUENCE DANS UN SYSTÈME DE COMMUNICATION SANS FIL
(KO) 무선 통신 시스템에서 주파수 오프셋 추정 방법 및 장치
Abstract:
(EN) Disclosed is a method and an apparatus for estimating a frequency offset in a wireless communication system. A method for estimating a frequency offset of the present invention comprises the steps of: obtaining a first symbol from which a cyclic prefix (CP) symbol of a received symbol is removed; obtaining a second symbol from which data having a length corresponding to a length of CP is removed at an end opposite to the end in which the CP is present in the received symbol; and estimating the frequency offset by using the first symbol and the second symbol.
(FR) La présente invention concerne un procédé et un appareil permettant d'estimer un décalage de fréquence dans un système de communication sans fil. La présente invention porte sur un procédé permettant d'estimer un décalage de fréquence, ledit procédé comprenant les étapes consistant à : obtenir un premier symbole duquel un symbole de préfixe cyclique (CP pour Cyclic Prefix) d'un symbole reçu est enlevé; obtenir un second symbole duquel des données ayant une longueur correspondant à une longueur du préfixe cyclique sont enlevées au niveau d'une extrémité opposée à l'extrémité où le préfixe cyclique est présent dans le symbole reçu; et estimer le décalage de fréquence en utilisant le premier symbole et le second symbole.
(KO) 무선 통신 시스템에서 주파수 오프셋 추정 방법 및 장치가 개시된다. 본 발명의 주파수 오프셋 추정 방법에 따르면, 수신 심볼의 순환 전치(cyclic prefix, CP) 심볼을 제거한 제1 심볼(symbol)을 획득하는 단계, 수신 심볼에서 CP가 존재하는 말단의 반대편 말단에서, CP에 대응되는 길이의 데이터를 제거한 제2 심볼(symbol)을 획득하는 단계 및 제1 심볼 및 제2 심볼을 이용하여 주파수 오프셋을 추정하는 단계를 포함한다.
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Designated States: AE, AG, AL, AM, AO, AT, AU, AZ, BA, BB, BG, BH, BN, 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, IR, IS, JP, KE, KG, KN, KP, KZ, LA, LC, LK, LR, LS, LU, LY, MA, MD, ME, MG, MK, MN, MW, MX, MY, MZ, NA, NG, NI, NO, NZ, OM, PA, PE, PG, PH, PL, PT, QA, RO, RS, RU, RW, SA, SC, SD, SE, SG, SK, SL, SM, ST, SV, SY, TH, 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, LR, LS, MW, MZ, NA, RW, SD, SL, ST, SZ, TZ, UG, ZM, ZW)
Eurasian Patent Office (AM, AZ, BY, KG, KZ, RU, TJ, TM)
European Patent Office (EPO) (AL, 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, RS, SE, SI, SK, SM, TR)
African Intellectual Property Organization (BF, BJ, CF, CG, CI, CM, GA, GN, GQ, GW, KM, ML, MR, NE, SN, TD, TG)
Publication Language: Korean (KO)
Filing Language: Korean (KO)