Radio communication base station device, radio communication...

Details Radio communication base station device, radio communication... Radio communication base station device, radio communication...

2008-05-06

2008-05-06

Ghayour, Mohammed (Department: 2611)

Pulse or digital communications

Systems using alternating or pulsating current

Plural channels for transmission of a single pulse train

C455S522000, C455S561000, C455S102000, C455S503000, C375S265000

Reexamination Certificate

active

10516182

ABSTRACT:
In order to perform appropriate reception quality control on each mobile station in a multimedia broadcast/multicast service, a layered coding section101encodes input data by dividing the input data into two layers and obtains a first layer code string and a second layer code string. The first layer code string is input to a CRC code addition section102and a CRC code for an error inspection is added thereto at every predetermined block. On the other hand, the second layer code string is input to a CRC code addition section103and a CRC code for an error inspection is added thereto at every predetermined block. The first layer code string and the second layer code string with the CRC codes added are input to a layered modulation section104and the layered modulation section104modulates a plurality of code strings coded by being divided into a plurality of layers in such away that error rates differ hierarchically among the plurality of code strings and a radio section105sends the modulated symbol.

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