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    • 9. 发明申请
    • MULTI-CARRIER TRANSMITTING APPARATUS AND METHOD FOR MULTICAST SERVICE
    • 多载波发射装置和多播服务的方法
    • US20130286923A1
    • 2013-10-31
    • US13604826
    • 2012-09-06
    • Sun-Sim CHUNYoung-Il KIMHan-Nah KIMDae-Geun PARKWon RYU
    • Sun-Sim CHUNYoung-Il KIMHan-Nah KIMDae-Geun PARKWon RYU
    • H04W4/06
    • H04W4/06H04W4/18
    • Provided are an apparatus and method for transmitting multi-carriers to provide a high-quality service to multicast-based service subscriber terminals. The method includes: mapping first data for providing the multicast service, and second data different from the first data, to s different antennas; converting the first mapped data into a first Intermediate Frequency (IF) signal and the second mapped data into a second IF signal; converting the first IF signal into a first RF signal having a carrier frequency, and deciding a power intensity of the first RF signal so that the first RF signal is transmitted over the entire coverage region of the base station; and converting the second IF signal into a second RF signal having the other carrier frequency, and to deciding a power intensity of the second RF signal so that the second RF signal is transmitted over a predetermined region around the base station.
    • 提供了一种用于发送多载波以向基于多播的服务用户终端提供高质量服务的装置和方法。 该方法包括:将用于提供多播服务的第一数据和与第一数据不同的第二数据映射到不同的天线; 将第一映射数据转换成第一中频(IF)信号,将第二映射数据转换成第二IF信号; 将所述第一IF信号转换为具有载波频率的第一RF信号,并且确定所述第一RF信号的功率强度,使得所述第一RF信号在所述基站的整个覆盖区域上传输; 以及将所述第二IF信号转换为具有所述另一个载波频率的第二RF信号,并且确定所述第二RF信号的功率强度,使得所述第二RF信号在所述基站周围的预定区域上传输。
    • 10. 发明授权
    • Apparatus and method for assessing image quality in real-time
    • 实时评估图像质量的装置和方法
    • US08566690B2
    • 2013-10-22
    • US12966562
    • 2010-12-13
    • Ho Yeon LeeHyun Woo LeeWon RyuDong Gyu Sim
    • Ho Yeon LeeHyun Woo LeeWon RyuDong Gyu Sim
    • H04N7/64
    • H04N17/004
    • An apparatus and method for assessing image quality in real-time in consideration of both a coding error generated in an image processing process and a packet error generated in an image transmission process are provided. The apparatus for assessing image quality in real-time includes: an image quality measurement unit measuring image degradation generated in processing an image; a packet degradation detection unit detecting a packet error generated in transmitting the image; and final outcome drawing unit finally assessing the quality of the image in consideration of both a degradation degree of the image measured by the image quality measurement unit and the packet error measured by the packet degradation detection unit.
    • 提供考虑图像处理过程中产生的编码错误和图像传输处理中产生的分组错误来实时评估图像质量的装置和方法。 用于实时评估图像质量的装置包括:图像质量测量单元,测量在处理图像中产生的图像劣化; 分组劣化检测单元,检测在发送图像时产生的分组错误; 考虑到由图像质量测量单元测量的图像的劣化程度和由分组劣化检测单元测量的分组误差两者,最终结果绘制单元最终评估图像的质量。