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    • 3. 发明授权
    • Retransmission apparatus and method for high-speed data processing
    • 用于高速数据处理的重发设备和方法
    • US08036101B2
    • 2011-10-11
    • US11800947
    • 2007-05-08
    • Hye-Jeong KimDo-Young LeeHyun-Gu Lee
    • Hye-Jeong KimDo-Young LeeHyun-Gu Lee
    • G01R31/08G06F11/00G08C15/00H04J1/16H04J3/14H04L1/00H04L12/26H04J3/00H04J3/16H04L1/18G08C25/02
    • H04L1/1874H04L1/1607H04L1/1812H04L1/1829
    • A method for retransmitting high-speed packet data in a transmission apparatus of a mobile communication system that simultaneously performs Automatic Retransmission reQuest (ARQ) that retransmits an ARQ packet reconfigured by allocating a sequence number to data delivered from an upper layer, and Hybrid Automatic Retransmission reQuest (HARQ) that multiplexes a plurality of ARQ packets into one HARQ packet and performs repeated retransmission on the HARQ packet within a maximum retransmission limit value. A transmitting HARQ entity checks a missing ARQ packet and sends a Negative Acknowledgement (NACK) for the missing ARQ packet to a transmitting ARQ entity. The transmitting ARQ entity receives an Acknowledged (ACK) for ARQ packets from a receiving ARQ entity, detects at least one missing ARQ packet according to the NACK and the ACK, configures a retransmission packet with the detected ARQ packet, and retransmits the retransmission packet.
    • 一种用于在移动通信系统的发送装置中重发高速分组数据的方法,该移动通信系统同时执行自动重传请求(ARQ),其通过向从上层发送的数据分配序列号而重新配置ARQ分组,以及混合自动重传 请求(HARQ),其将多个ARQ分组复用为一个HARQ分组,并且在最大重传限制值内对HARQ分组执行重复重传。 发送HARQ实体检查丢失的ARQ分组,并向发送的ARQ实体发送用于丢失的ARQ分组的否定确认(NACK)。 发送ARQ实体接收来自接收ARQ实体的ARQ报文的确认(ACK),根据NACK和ACK检测至少一个丢失的ARQ报文,配置检测到ARQ报文的重传报文,并重新发送重传报文。
    • 4. 发明申请
    • Retransmission apparatus and method for high-speed data processing
    • 用于高速数据处理的重发设备和方法
    • US20070274342A1
    • 2007-11-29
    • US11800947
    • 2007-05-08
    • Hye-Jeong KimDo-Young LeeHyun-Gu Lee
    • Hye-Jeong KimDo-Young LeeHyun-Gu Lee
    • H04J3/24
    • H04L1/1874H04L1/1607H04L1/1812H04L1/1829
    • A method for retransmitting high-speed packet data in a transmission apparatus of a mobile communication system that simultaneously performs Automatic Retransmission reQuest (ARQ) that retransmits an ARQ packet reconfigured by allocating a sequence number to data delivered from an upper layer, and Hybrid Automatic Retransmission reQuest (HARQ) that multiplexes a plurality of ARQ packets into one HARQ packet and performs repeated retransmission on the HARQ packet within a maximum retransmission limit value. A transmitting HARQ entity checks a missing ARQ packet and sends a Negative Acknowledgement (NACK) for the missing ARQ packet to a transmitting ARQ entity. The transmitting ARQ entity receives an Acknowledged (ACK) for ARQ packets from a receiving ARQ entity, detects at least one missing ARQ packet according to the NACK and the ACK, configures a retransmission packet with the detected ARQ packet, and retransmits the retransmission packet.
    • 一种用于在移动通信系统的发送装置中重发高速分组数据的方法,该移动通信系统同时执行自动重传请求(ARQ),其通过向从上层发送的数据分配序列号而重新配置ARQ分组,以及混合自动重传 请求(HARQ),其将多个ARQ分组复用为一个HARQ分组,并且在最大重传限制值内对HARQ分组执行重复重传。 发送HARQ实体检查丢失的ARQ分组,并向发送的ARQ实体发送用于丢失的ARQ分组的否定确认(NACK)。 发送ARQ实体接收来自接收ARQ实体的ARQ报文的确认(ACK),根据NACK和ACK检测至少一个丢失的ARQ报文,配置检测到ARQ报文的重传报文,并重新发送重传报文。
    • 8. 发明申请
    • Retransmission apparatus and method for high-speed data processing
    • 用于高速数据处理的重发设备和方法
    • US20070300120A1
    • 2007-12-27
    • US11801571
    • 2007-05-10
    • Hye-Jeong KimDo-Young LeeHyun-Gu Lee
    • Hye-Jeong KimDo-Young LeeHyun-Gu Lee
    • H04L1/18
    • H04L1/1851
    • A method for requesting retransmission of high-speed packet data in a receiving Automatic Retransmission reQuest (ARQ) entity of a mobile communication system that simultaneously performs Hybrid Automatic Retransmission reQuest (HARQ) and ARQ. The method includes, upon receipt of a packet, determining a sequence number of the received packet, and determining if there is at least one missing packet preceding the received packet; if there is at least one missing packet, driving a first timer which is set to a time required when a number of retransmission attempts reaches a predetermined maximum number of HARQ retransmissions, and monitoring receipt of the missing packet; and upon expiration of the timer, sending to a transmitting ARQ entity an Acknowledgement (ACK) including a last sequence number among sequence numbers of normally received consecutive ARQ packets.
    • 一种在同时执行混合自动重发请求(HARQ)和ARQ的移动通信系统的接收自动重传请求(ARQ)实体中请求重传高速分组数据的方法。 该方法包括:在接收到分组后,确定所接收分​​组的序列号,并确定在接收分组之前是否存在至少一个丢失分组; 如果存在至少一个丢失分组,则驱动第一定时器,其被设置为当重发次数尝试次数达到预定的最大数量的HARQ重传时所需的时间,并且监视丢失分组的接收; 并且在定时器到期时,向发送ARQ实体发送包括正常接收的连续ARQ分组的序列号中的最后序列号的确认(ACK)。
    • 10. 发明授权
    • System and method for compensating timing error using pilot symbol in OFDM/CDMA communication system
    • 在OFDM / CDMA通信系统中使用导频符号补偿定时误差的系统和方法
    • US07110387B1
    • 2006-09-19
    • US09677085
    • 2000-09-29
    • Hye-Jeong KimHyun-Kyu Lee
    • Hye-Jeong KimHyun-Kyu Lee
    • H04B7/208
    • H04L27/2662H04L5/0016H04L5/0048H04L27/2656H04L27/2657H04L27/2675
    • A timing error compensation system in an OFMD/CDMA communication system includes an analog-to-digital converter for converting an OFDM signal, comprised of a data symbol stream in which a pilot symbol is inserted at intervals of a prescribed number of data symbols, received from a transmitter, to a digital OFDM symbol stream by prescribed sampling synchronization, a guard interval remover for removing a guard interval inserted in the OFDM symbol by prescribed frame synchronization, and a fast Fourier transform (FFT) device for performing fast Fourier transform on the guard interval-removed OFDM symbol and outputting a data symbol stream. In the time error compensation system, a pilot symbol detector receives the data symbol stream and detects the pilot symbols inserted in the data symbol stream at prescribed intervals. A timing compensator determines a linear phase difference line for the detected pilot symbol, generates a timing error estimation signal according to the determined linear phase difference line, and provides the timing error estimation signal to the analog-to-digital converter and the guard interval remover so as to determine the sampling synchronization and the frame synchronization.
    • OFMD / CDMA通信系统中的定时误差补偿系统包括:一个模数转换器,用于转换OFDM信号,该OFDM信号包括一个数据符号流,其中以接收的规定数量的数据符号的间隔插入导频符号 通过规定的采样同步从发射机到数字OFDM符号流;保护间隔去除器,用于通过规定的帧同步去除插入在OFDM符号中的保护间隔;以及快速傅里叶变换(FFT)装置,用于对 保护间隔去除的OFDM符号并输出数据符号流。 在时间误差补偿系统中,导频符号检测器接收数据符号流,并以规定的间隔检测插入在数据符号流中的导频符号。 定时补偿器确定检测到的导频符号的线性相位差线,根据确定的线性相位差线产生定时误差估计信号,并将定时误差估计信号提供给模数转换器和保护间隔去除器 以便确定采样同步和帧同步。