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    • 41. 发明授权
    • Convolutional turbo coding method and device for implementing the coding method
    • 卷积turbo编码方法和实现编码方法的装置
    • US08788919B2
    • 2014-07-22
    • US12647866
    • 2009-12-28
    • Zheng ZhaoSeung-Hoon ChoiSung-Eun ParkChi-Woo Lim
    • Zheng ZhaoSeung-Hoon ChoiSung-Eun ParkChi-Woo Lim
    • H03M13/03
    • H04L27/34H03M13/258H03M13/27H03M13/296H03M13/3988H03M13/6362H03M13/6544H04L1/006H04L1/0066H04L1/0071
    • A method and apparatus for Convolutional Turbo Coding (CTC), and an apparatus for a turbo encoder are provided. The method for CTC includes the steps of encoding information bits A and B using a constituent encoder, and outputting parity sequences Y1 and W1, interleaving the information bits A and B using a CTC interleaver to obtain information bits C and D, and encoding the interleaved information bits C and D using the constituent encoder to obtain parity sequences Y2 and W2, interleaving the information bits A and B, the parity sequences Y1 and W1 and the parity sequences Y2 and W2, respectively, wherein the bits in at least one of a bit group constituted of the information bits A and B, a bit group constituted of the sequences Y1 and W1, and a bit group constituted of the sequences Y2 and W2 are alternately mapped to bits of constellation points with high reliability and low reliability and puncturing the interleaving result to obtain the encoded bit sequences.
    • 提供了一种用于卷积式Turbo编码(CTC)的方法和装置,以及一种用于turbo编码器的装置。 CTC的方法包括使用构成编码器对信息比特A和B进行编码的步骤,并且输出奇偶校验序列Y1和W1,使用CTC交织器交织信息比特A和B以获得信息比特C和D,并对交织的 信息比特C和D使用构成编码器来获得奇偶校验序列Y2和W2,分别交织信息比特A和B,奇偶校验序列Y1和W1以及奇偶校验序列Y2和W2,其中至少一个 由信息比特A和B构成的比特组,由序列Y1和W1构成的比特组和由序列Y2和W2构成的比特组被交替地映射到具有高可靠性和低可靠性的星座点的比特,并且刺穿 交织结果以获得编码比特序列。
    • 43. 发明授权
    • Calibration apparatus and method for multicell multiple input multiple output transmission in multiple antenna system
    • 多天线系统多单元多输入多输出传输的校准装置及方法
    • US08542635B2
    • 2013-09-24
    • US12915814
    • 2010-10-29
    • Shuangfeng HanChi-Woo Lim
    • Shuangfeng HanChi-Woo Lim
    • H04W72/04H04B7/06
    • H04B7/024H04B17/12
    • A calibration apparatus and a calibration method for multicell Multiple Input Multiple Output (MIMO) transmission in a multiple antenna system are provided. More particularly, an operating method of a Mobile Station (MS) for performing calibration for multicell MIMO transmission in a multiple antenna system includes negotiating a multi-Base Station (BS) joint processing with a BS, receiving a control message including information instructing multi-BS calibration for sounding based on the multi-BS joint processing, from the BS; when receiving the control message involving the multi-BS joint processing, generating a second sounding sequence by mapping estimated phases of downlink channels per subcarrier of BSs to a first sounding sequence allocated from the BS, and transmitting the second sounding sequence, including the phases of the downlink channels per subcarrier, over a sounding symbol interval with respect to each of the BSs involving the multi-BS joint processing. Hence, feedback overhead in the calibration of the multicell MIMO transmission can be reduced.
    • 提供了一种用于多天线系统中的多输入多输入多输出(MIMO)传输的校准装置和校准方法。 更具体地说,用于在多天线系统中进行多单元MIMO传输的校准的移动台(MS)的操作方法包括:与BS协商多基站(BS)联合处理,接收包括指示多台天线的信息的控制消息, 基于BS的校准基于多BS联合处理,从BS; 当接收到涉及多BS联合处理的控制消息时,通过将BS的每个子载波的下行链路信道的估计相位映射到从BS分配的第一探测序列,并发送第二探测序列,生成第二探测序列, 相对于涉及多BS联合处理的每个BS的探测符号间隔,每个子载波的下行链路信道。 因此,可以减少多单元MIMO传输的校准中的反馈开销。
    • 45. 发明授权
    • Method for signal transmission/reception based on HARQ scheme in wireless mobile communication system
    • 基于无线移动通信系统中HARQ方案的信号发送/接收方法
    • US08498228B2
    • 2013-07-30
    • US12354563
    • 2009-01-15
    • Mi-Hyun LeeHo-Kyu ChoiJae-Weon ChoKi-Chun ChoTae-Young KimChi-Woo Lim
    • Mi-Hyun LeeHo-Kyu ChoiJae-Weon ChoKi-Chun ChoTae-Young KimChi-Woo Lim
    • H04B7/00
    • H04L1/1887H04L1/1854H04L5/0044H04L5/0055H04L5/1469H04W52/0209H04W52/0216
    • A method of signal transmission/reception by a transmitter in a wireless mobile communication system is provided. The method includes determining a signal transmission/reception corresponding relation between a downlink and an uplink of the wireless mobile communication system using a super-frame, the super-frame including at least one frame, said at least one frame including at least one downlink sub-frame and at least one uplink sub-frame, the signal transmission/reception corresponding relation enabling each sub-frame within a link including fewer sub-frames to correspond to at least one sub-frame within a link including more sub-frames when the downlink and the uplink of the wireless mobile communication system include different numbers of sub-frames, wherein the signal transmission/reception corresponding relation is also determined when the downlink and the uplink of the wireless mobile communication system include a same number of sub-frames, and transmitting and receiving signals to and from a receiver through at least one downlink sub-frame and at least one uplink sub-frame according to the determined signal transmission/reception corresponding relation.
    • 提供了一种由无线移动通信系统中的发射机进行信号发送/接收的方法。 该方法包括使用超帧来确定无线移动通信系统的下行链路和上行链路之间的信号发送/接收对应关系,所述超帧包括至少一个帧,所述至少一个帧包括至少一个下行链路子 帧和至少一个上行链路子帧,所述信号发送/接收对应关系使包括更少子帧的链路内的每个子帧能够对应于包括更多子帧的链路中的至少一个子帧 无线移动通信系统的下行链路和上行链路包括不同数量的子帧,其中当无线移动通信系统的下行链路和上行链路包括相同数量的子帧时,也确定信号发送/接收对应关系, 以及根据t通过至少一个下行链路子帧和至少一个上行链路子帧向接收机发送和接收信号 他确定信号发送/接收对应的关系。
    • 47. 发明申请
    • METHOD AND APPARATUS FOR OBTAINING SYNCHRONIZATION FOR COMMUNICATION BETWEEN DEVICES
    • 用于获取设备之间通信的同步的方法和装置
    • US20120320776A1
    • 2012-12-20
    • US13527001
    • 2012-06-19
    • Chi-Woo LIMHyun-Kyu YUKyung-Kyu KIMSu-Ryong JEONG
    • Chi-Woo LIMHyun-Kyu YUKyung-Kyu KIMSu-Ryong JEONG
    • H04W56/00H04W24/00
    • H04W56/002H04W76/14
    • A method and an apparatus for obtaining synchronization of a terminal for communication between devices when a base station collapses are provided. The method includes, when a preamble signal is not received from the base station, maintaining a first synchronization for a predetermined time using a timer, transmitting a first preamble signal at a first synchronization point, performing a synchronization procedure with at least one neighbor terminal based on the first preamble signal, and, after the synchronization procedure, performing communication with the at least one neighbor terminal. In addition, when a preamble signal is not received from a base station, a first preamble signal from a relevant neighbor terminal is monitored for a predetermined time. When the first preamble signal is not received from the relevant neighbor terminal for the predetermined time, a second preamble signal is transmitted at an arbitrary point.
    • 提供了一种用于当基站崩溃时获得终端用于通信的终端的同步的方法和装置。 该方法包括:当没有从基站接收到前同步信号时,使用定时器保持预定时间的第一同步,在第一同步点发送第一前导信号,与至少一个相邻终端进行同步过程 在第一前导信号上,并且在同步过程之后,执行与至少一个相邻终端的通信。 此外,当没有从基站接收到前导信号时,来自相关邻居终端的第一前导信号被监视预定时间。 当在预定时间内没有从相关邻居终端接收到第一前导信号时,在任意点发送第二前同步码信号。