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    • 7. 发明公开
    • Method and apparatus for handover in multiple carrier system
    • 多载波系统中切换的方法和装置
    • KR20100102561A
    • 2010-09-24
    • KR20100021570
    • 2010-03-11
    • LG ELECTRONICS INC
    • KIM SO YEONCHUNG JAE HOONKWON YEONG HYEON
    • H04W36/30H04W52/02
    • Y02D70/00
    • PURPOSE: A method and a device for hand over in a multi carrier system are provided to minimize a delay due to an handover, thereby improving communication quality and reducing a battery consumption used in a signal measurement. CONSTITUTION: A processor(11) receives a multi carrier measurement information from a base station and performs measurement based on the multi carrier measurement information, and report the measurement result to the base station. The processor performs a target base station and a handover through one reference carrier among component carrier which the measurement result is reported. The multi carrier measurement information shows a component carrier of neighboring cells. The measurement result show the measurement result about the component carrier.
    • 目的:提供一种在多载波系统中切换的方法和装置,以最小化由于切换引起的延迟,从而提高通信质量并降低在信号测量中使用的电池消耗。 构成:处理器(11)从基站接收多载波测量信息,并基于多载波测量信息进行测量,并将测量结果报告给基站。 处理器执行目标基站并通过报告测量结果的分量载波中的一个参考载波进行切换。 多载波测量信息示出了相邻小区的分量载波。 测量结果显示关于分量载体的测量结果。
    • 9. 发明公开
    • TRANSMITTING APPARATUS AND METHOD USING TONE REVERSATION IN OFDM SYSTEM
    • OFDM系统中使用音频转换的发送装置和方法
    • KR20070077622A
    • 2007-07-27
    • KR20060007290
    • 2006-01-24
    • LG ELECTRONICS INC
    • NOH MIN SEOKYUN YOUNG WOOKIM KI JUNKWON YEONG HYEONHAN SEUNG HEE
    • H04J11/00
    • H04L27/2618H04L27/2621H04L27/2628
    • A transmitting apparatus and a transmitting method using a tone reservation in an OFDM(Orthogonal Frequency Division Modulation) system are provided to prevent the deterioration of transmission ratio caused by the tone reservation simultaneously and to control a tone reservation ratio. A transmitting apparatus using a tone reservation in an OFDM system includes a guard interval remover(61). The guard interval remover(61) removes a guard interval. A serial/parallel converter(62) converts received serial signals to parallel signals and inputs the parallel signals to an FFT(Fast Fourier Transformation) part(63). The FFT part(63) converts the parallel signals to frequency domain signals. A channel estimation and equalization part(64) performs a channel estimation and equalization. A parallel/serial converter(65) converts the signals to the serial signals. A de-mapper(66) decodes the modulation signals and converts the modulation signals to bit information. A de-interleaver(67) classifies the bit information into TFI information, information bit, and parity bit. A controller(71) controls PAPR(Peak to Average Power Ratio) based on tone reservation ratio information stored in a memory(72).
    • 提供了一种在OFDM(正交频分调制)系统中使用音调预留的发送装置和发送方法,以防止由音调预约同时引起的发送率的恶化并且控制音调保留率。 在OFDM系统中使用音调预约的发送装置包括保护间隔去除器(61)。 保护间隔移除器(61)消除保护间隔。 串行/并行转换器(62)将接收到的串行信号转换为并行信号,并将并行信号输入到FFT(快速傅里叶变换)部分(63)。 FFT部分(63)将并行信号转换成频域信号。 信道估计和均衡部分(64)执行信道估计和均衡。 并行/串行转换器(65)将信号转换为串行信号。 解映射器(66)对调制信号进行解码,并将调制信号转换为比特信息。 解交织器(67)将比特信息分类为TFI信息,信息比特和奇偶校验位。 控制器(71)基于存储在存储器(72)中的音调保留率信息来控制PAPR(峰值平均功率比)。
    • 10. 发明公开
    • Method for transmitting sounding reference signal in wireless communication system and apparatus therefor
    • 无线通信系统中发送参考信号的方法及其设备
    • KR20100123655A
    • 2010-11-24
    • KR20100045447
    • 2010-05-14
    • LG ELECTRONICS INC
    • NOH MIN SEOKCHUNG JAE HOONKWON YEONG HYEON
    • H04J11/00
    • H04W4/00H04L5/0007H04L5/0048H04W72/1268H04W88/08H04J11/00H04L27/2611
    • PURPOSE: A sounding reference signal transmission method and a device thereof are provided to transmit an additional sounding reference signal to a base station by using the last symbol of a subframe. CONSTITUTION: A periodic sounding reference signal is transmitted to a base station. The transmission request of an additional sounding reference signal is received from the base station. The periodic sounding reference signal and the additional sounding reference signal multiplexed in a frequency axis and a time axis. The multiplexed periodic sounding reference signal and the additional sounding reference signal are transmitted to the base station. The additional sounding reference signal is transmitted to the base station through the last symbol of the subframe. The transmission comb parameter of the periodic sounding reference signal and the parameter of the additional sounding reference signal are differently set.
    • 目的:提供一种探测参考信号发送方法及其装置,用于通过使用子帧的最后一个符号向基站发送附加的探测参考信号。 构成:将周期性的探测参考信号发送到基站。 从基站接收附加的探测参考信号的传输请求。 在频率轴和时间轴上复用的周期性探测参考信号和附加探测参考信号。 复用的周期性探测参考信号和附加的探测参考信号被发送到基站。 附加的探测参考信号通过子帧的最后一个符号被发送到基站。 周期性探测参考信号的传输梳参数和附加探测参考信号的参数被不同地设置。