Pulse or digital communications – Systems using alternating or pulsating current – Plural channels for transmission of a single pulse train
Reexamination Certificate
2005-06-20
2009-10-20
Liu, Shuwang (Department: 2611)
Pulse or digital communications
Systems using alternating or pulsating current
Plural channels for transmission of a single pulse train
C375S299000, C375S341000, C375S347000, C375S349000, C375S135000, C375S136000, C375S146000, C375S147000
Reexamination Certificate
active
07606320
ABSTRACT:
An apparatus and method for SFBC coding and decoding in a communication system using a plurality of (Nt) Tx antennas are provided. In a transmitter using Nttransmit antennas, a pre-coder pre-codes an input symbol sequence using a pre-coding matrix. The pre-coding matrix is produced by puncturing a unitary matrix in a predetermined method. An encoder generates a plurality of vectors by grouping the symbols of the pre-coded symbol sequence by twos, space-frequency maps each of the vectors by encoding each of the vectors in an Alamouti coding scheme, and provides each of the space-frequency mapped symbols to a predetermined OFDM modulator.
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Chae Chan-Byoung
Cho Young-Kwon
Daniel Katz Marcos
Jeong Hong-Sil
Park Dong-Seek
Liu Shuwang
Samsung Electronics Co,. Ltd.
The Farrell Law Firm, LLP
Timory Kabir A
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