首页> 外国专利> DIGITAL MULTIMEDIA BROADCASTING TRANSMISSION AND RECEPTION APPARATUS USING TRANSMISSION UNIT THE ENHANCEMENT LAYER STREAM IS MODULATED AMONG THE FIRST AND SECOND LAYER MODULATION MODE BASED ON ONE LAYER MODULATION MODE

DIGITAL MULTIMEDIA BROADCASTING TRANSMISSION AND RECEPTION APPARATUS USING TRANSMISSION UNIT THE ENHANCEMENT LAYER STREAM IS MODULATED AMONG THE FIRST AND SECOND LAYER MODULATION MODE BASED ON ONE LAYER MODULATION MODE

机译:使用基于传输层的数字多媒体广播传输和接收装置,在基于一层调制模式的第一层和第二层调制模式之间对增强层流进行调制

摘要

PURPOSE: An apparatus for transmitting and receiving digital multimedia broadcasting and a method thereof are provided to change the modulation system of the enhancement layer stream according to the broadcasting environment.;CONSTITUTION: The base layer processing unit(103) outputs the base layer stream. The enhancement layer processing unit(104) outputs the enhancement layer stream. The transmission unit(105) modulates the enhancement layer stream among the first and second layer modulation mode based on one layer modulation mode. The transmission unit is proceed the mapping of the symbol of the enhancement layer stream based on the symbol location of the base layer stream. The transmission unit is created the transfer frame. The different modulation system is used to the first and second layer modulation mode.;COPYRIGHT KIPO 2010
机译:目的:提供一种用于发送和接收数字多媒体广播的设备及其方法,以根据广播环境来改变增强层流的调制系统。组成:基础层处理单元(103)输出基础层流。增强层处理单元(104)输出增强层流。发送单元(105)基于一个层调制模式在第一和第二层调制模式之间调制增强层流。发送单元基于基础层流的符号位置来进行增强层流的符号的映射。创建传输单元传输帧。第一和第二层调制模式使用了不同的调制系统。; COPYRIGHT KIPO 2010

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