Multiplex communications – Generalized orthogonal or special mathematical techniques – Plural diverse modulation techniques
Reexamination Certificate
2008-02-25
2010-11-23
Chou, Albert T (Department: 2471)
Multiplex communications
Generalized orthogonal or special mathematical techniques
Plural diverse modulation techniques
C370S208000, C375S260000
Reexamination Certificate
active
07839761
ABSTRACT:
A method and apparatus for transmitting and receiving MAP information in a communication system are provided. A base station acquires channel quality information of each mobile station, generates sub-MAPs using MAP information, to which at least one of a coding scheme, a modulation scheme and a repetition scheme is applied, separately for each mobile station according to the channel quality information, and transmits the generated sub-MAPs. A mobile station receives MAP information from the base station, detects a sub-MAP allocated to the mobile station from the received MAP information, and restores the detected sub-MAP to MAP information using at least one of a corresponding decoding scheme, demodulation scheme and repetition scheme corresponding to coding scheme, modulation scheme and repetition scheme applied in the base station, based on channel quality information of the mobile station. Accordingly, system overhead can be reduced.
REFERENCES:
patent: 2007/0140167 (2007-06-01), Jang et al.
patent: 2007/0263735 (2007-11-01), Tong et al.
patent: 2007/0286066 (2007-12-01), Zhang et al.
patent: 2008/0159220 (2008-07-01), Kitchin et al.
Cho Jae-Hee
Cho Jae-Weon
Kim Tae-Young
Koo Jin-Kyu
Park Jeong-Ho
Chou Albert T
Jefferson IP Law, LLP
Samsung Electronics Co,. Ltd
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