Decomposition rate matching method of soft determination value, mobile device, wireless communication device and method

The invention relates to a communication system and a parameter estimation method. The communication system includes a receiver for receiving a modulated signal. The receiver includes a gain estimator for converting complex data representative of constellation points of the modulated signal into sca...

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Bibliographic Details
Main Authors IVORY DAVID STEPHEN, FISHER-JEFFES TIMOTHY PERRIN
Format Patent
LanguageChinese
English
Published 31.10.2012
Subjects
ELECTRIC COMMUNICATION TECHNIQUE
ELECTRICITY
TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHICCOMMUNICATION
WIRELESS COMMUNICATIONS NETWORKS
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Summary:The invention relates to a communication system and a parameter estimation method. The communication system includes a receiver for receiving a modulated signal. The receiver includes a gain estimator for converting complex data representative of constellation points of the modulated signal into scalar data representation. The gain estimator is configured to fold a first portion of the scalar data representation onto a second portion of the scalar data representation. The gain estimator is further configured to estimate a constellation gain value from the folded first portion and the second portion of the scalar data representation. The communication system and the parameter estimation method can prevent a channel condition from destroying a data transmission through a communication channel, thereby solving an operability problem of the channel condition limit system.
Bibliography:Application Number: CN20081185676