Search International and National Patent Collections
Some content of this application is unavailable at the moment.
If this situation persists, please contact us atFeedback&Contact
1. (WO2010072069) A METHOD AND AN APPARATUS FOR MAPPING THE CONSTELLATION
Latest bibliographic data on file with the International Bureau

Pub. No.: WO/2010/072069 International Application No.: PCT/CN2009/072546
Publication Date: 01.07.2010 International Filing Date: 30.06.2009
IPC:
H04L 27/34 (2006.01)
H ELECTRICITY
04
ELECTRIC COMMUNICATION TECHNIQUE
L
TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
27
Modulated-carrier systems
32
Carrier systems characterised by combinations of two or more of the types covered by groups H04L27/02, H04L27/10, H04L27/18, or H04L27/26213
34
Amplitude- and phase-modulated carrier systems, e.g. quadrature-amplitude modulated carrier systems
Applicants:
中兴通讯股份有限公司 ZTE CORPORATION [CN/CN]; CN (AllExceptUS)
许进 XU, Jin [CN/CN]; CN (UsOnly)
Inventors:
许进 XU, Jin; CN
Agent:
北京康信知识产权代理有限责任公司 KANGXIN PARTNERS, P.C.; 中国北京市 海淀区知春路甲48号盈都大厦A座16层 Floor 16,Tower A,Indo Building A48 Zhichun Road, Haidian District Beijing 100098, CN
Priority Data:
200810188648.022.12.2008CN
Title (EN) A METHOD AND AN APPARATUS FOR MAPPING THE CONSTELLATION
(FR) PROCÉDÉ ET APPAREIL DE MAPPAGE DE CONSTELLATION
(ZH) 星座图映射方法和装置
Abstract:
(EN) A method and an apparatus for mapping the constellation are provided. The method includes that: a part of bits of a bit sequence which is waited for mapping are used as the first bit sequence, and every m bits of the first bit sequence is mapped to a constellation point of the constellation according to the order from front to back, and the bit located in the first preset position of every m bits is mapped to the first preset bit of the corresponding constellation point, the bit located in the second preset position of every m bits is mapped to the second preset bit of the corresponding constellation point, the reliability of the first preset bit is higher than that of the second preset bit; the other part of bits of the bit sequence which is waited for mapping are used as the second bit sequence, and every m bits of the second bit sequence is mapped to a constellation point of the constellation according to the order from front to back, and the bit located in the first preset position of every m bits is mapped to the second preset bit of the corresponding constellation point, the bit located in the second preset position of every m bits is mapped to the first preset bit of the corresponding constellation point. The reliability of codeword bits can be maximally balanced.
(FR) La présente invention concerne un procédé et un appareil de mappage de constellation. Le procédé comprend : une partie des bits d'une séquence de bits qui est attendue pour mapper est utilisée en tant que première séquence de bits, et chaque bit m de la première séquence de bits est mappé à un point de constellation de la constellation selon l'ordre allant de l'avant vers l'arrière, et le bit situé dans la première position prédéfinie de chaque bit m est mappé au premier bit prédéfini du point de constellation correspondant, le bit situé dans la seconde position prédéfinie de chaque bit m est mappé au second bit prédéfini du point de constellation correspondant, la fiabilité du premier bit prédéfini est supérieure à celle du second bit prédéfini ; l'autre partie de bits de la séquence de bits qui est attendue pour mapper est utilisée en tant que seconde séquence de bits, et chaque bit m de la seconde séquence de bits est mappée à un point de constellation de la constellation selon l'ordre en partant de l'avant vers l'arrière, et le bit situé dans la première position prédéfinie de chaque bit m est mappé au second bit prédéfini du point de constellation correspondant, le bit situé dans la seconde position prédéfinie de chaque bit m est mappé au premier bit prédéfini du point de constellation correspondant. La fiabilité de bits de mots codés peut-être équilibrée de façon maximale.
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, TR)
African Intellectual Property Organization (BF, BJ, CF, CG, CI, CM, GA, GN, GQ, GW, ML, MR, NE, SN, TD, TG)
Publication Language: Chinese (ZH)
Filing Language: Chinese (ZH)