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1. (WO2005104398) METHOD AND APPARATUS FOR TRANSMITTING INPUT STREAM OF DATA SYMBOLS IN MULTIPLE-INPUT/MULTIPLE-OUTPUT WIRELESS COMMUNICATIONS SYSTEM
Latest bibliographic data on file with the International Bureau   

Pub. No.:    WO/2005/104398    International Application No.:    PCT/JP2005/007665
Publication Date: 03.11.2005 International Filing Date: 15.04.2005
IPC:
H04B 7/06 (2006.01), H04L 1/00 (2006.01), H04L 1/06 (2006.01)
Applicants: MITSUBISHI DENKI KABUSHIKI KAISHA [JP/JP]; 7-3, Marunouchi 2-chome, Chiyoda-ku, Tokyo 100-8310 (JP) (For All Designated States Except US).
MEHTA, Neelesh, B. [IN/US]; (US) (For US Only).
SUDARSHAN, Pallav [IN/US]; (US) (For US Only).
MOLISCH, Andreas, F. [AT/US]; (US) (For US Only).
ZHANG, Jinyun [CA/US]; (US) (For US Only)
Inventors: MEHTA, Neelesh, B.; (US).
SUDARSHAN, Pallav; (US).
MOLISCH, Andreas, F.; (US).
ZHANG, Jinyun; (US)
Agent: SOGA, Michiharu; S. Soga & Co., 8th Floor, Kokusai Building, 1-1, Marunouchi 3-chome, Chiyoda-ku, Tokyo 100-0005 (JP)
Priority Data:
10/828,625 21.04.2004 US
Title (EN) METHOD AND APPARATUS FOR TRANSMITTING INPUT STREAM OF DATA SYMBOLS IN MULTIPLE-INPUT/MULTIPLE-OUTPUT WIRELESS COMMUNICATIONS SYSTEM
(FR) PROCEDE ET APPAREIL DESTINES A TRANSMETTRE UN FLUX D'ENTREE DE SYMBOLES DE DONNEES DANS UN SYSTEME DE COMMUNICATION SANS FIL A ENTREES ET SORTIES MULTIPLES
Abstract: front page image
(EN)A method transmits an input stream of data symbols in a multiple-input, multiple-output wireless communications system. The input stream is demultiplexed into M substreams. Each of the M substreams is adaptively modulated and coded to a coded substream according to channel conditions. A first of the M coded substreams is space-time transmit diversity encoding into two space-time transmit diversity encoded substreams. There is one space-time transmit diversity encoded substream for each one of two transmit antennas. Each other coded substream is transmitted directly by a corresponding one of remaining M-1 transmit antenna.
(FR)L'invention concerne un procédé destiné à transmettre un flux d'entrée de symboles de données dans un système de communication sans fil à entrées et sorties multiples. Le flux d'entrée est démultiplexé en <I>M</I> sous-flux. Chacun des <I>M</I> sous-flux est modulé de façon adaptative et codé dans un sous-flux codé en fonction des conditions de canal. Un premier des <I>M</I> sous-flux codés est codé par diversité de transmission spatio-temporelle dans des sous-flux codés par diversité de transmission spatio-temporelle. Il y a un sous-flux codé par diversité de transmission spatio-temporelle pour chaque deux antennes de transmission. Chaque autre sous-flux codé est transmis directement par une antenne de transmission <I>M</I>-1 restante correspondante.
Designated States: AE, AG, AL, AM, AT, AU, AZ, BA, BB, BG, BR, BW, BY, BZ, CA, CH, CN, CO, CR, CU, CZ, DE, DK, DM, DZ, EC, EE, EG, ES, FI, GB, GD, GE, GH, GM, HR, HU, ID, IL, IN, IS, JP, KE, KG, KM, KP, KR, KZ, LC, LK, LR, LS, LT, LU, LV, MA, MD, MG, MK, MN, MW, MX, MZ, NA, NI, NO, NZ, OM, PG, PH, PL, PT, RO, RU, SC, SD, SE, SG, SK, SL, SM, SY, TJ, TM, TN, TR, TT, TZ, UA, UG, US, UZ, VC, VN, YU, ZA, ZM, ZW.
African Regional Intellectual Property Organization (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, HU, IE, IS, IT, LT, LU, MC, NL, 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: English (EN)
Filing Language: English (EN)