公开(公告)号：US20150141058A1

公开(公告)日：2015-05-21

申请号：US14502253

申请日：2014-09-30

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Jae Wook SHIM ,  Gyu Bum KYUNG ,  Ho YANG

IPC: H04W4/02 ,  G01S19/13

CPC classification number: H04W4/029 ,  G01S5/0027

Abstract: An apparatus and method for transmitting and receiving data based on a location is disclosed, the apparatus for receiving the data, for example, a data receiver includes a location predictor configured to predict a location of the receiver based on location information of the receiver, a data rate calculator configured to calculate a predicted data rate during an interval based on communication environment information corresponding to the location of the receiver and the predicted location, and a buffer configured to backlog data received in advance based on the predicted data rate.

Abstract translation: 公开了一种用于基于位置发送和接收数据的装置和方法，用于接收数据的装置，例如数据接收机包括位置预测器，其被配置为基于接收机的位置信息来预测接收机的位置， 数据速率计算器，被配置为基于与所述接收机的位置和所述预测位置相对应的通信环境信息来计算间隔期间的预测数据速率，以及缓冲器，被配置为基于所述预测数据速率来积压预先接收到的数据。

公开(公告)号：US20140254651A1

公开(公告)日：2014-09-11

申请号：US14197005

申请日：2014-03-04

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Gyu Bum KYUNG ,  Ho YANG

IPC: H04L25/02

CPC classification number: H04L25/0212 ,  H04L1/20 ,  H04L25/0202 ,  H04L25/022 ,  H04L25/0222 ,  H04L25/03038 ,  H04L25/067 ,  H04W80/04

Abstract: An apparatus and a method are provided including a parameter estimator, a controller, an initial channel estimator, and a channel estimator. The parameter estimator configured to estimate parameters related to a channel. The controller configured to select one of channel environments based on the parameters, and generate a control signal corresponding to the selected channel environment. The initial channel estimator configured to estimate an initial channel based on the control signal. The channel estimator configured to estimate a channel of remaining resource blocks, excluding resource blocks corresponding to a pilot signal, from among resource blocks, based on the initial channel and the control signal.

Abstract translation: 提供了一种装置和方法，包括参数估计器，控制器，初始信道估计器和信道估计器。 参数估计器被配置为估计与信道相关的参数。 所述控制器被配置为基于所述参数来选择一个信道环境，并且生成对应于所选择的信道环境的控制信号。 初始信道估计器被配置为基于控制信号来估计初始信道。 信道估计器，被配置为基于初始信道和控制信号从资源块中估计与导频信号相对应的资源块的剩余资源块的信道。

公开(公告)号：US20150172001A1

公开(公告)日：2015-06-18

申请号：US14507049

申请日：2014-10-06

Applicant: Samsung Electronics Co., Ltd.

Inventor： Kyeong Yeon KIM ,  Gyu Bum KYUNG ,  Ki Taek BAE ,  Ho YANG

IPC: H04L1/00 ,  H04L1/02 ,  H04L27/38

CPC classification number: H04L1/005 ,  H04L27/3444 ,  H04L27/38

Abstract: A method and apparatus to perform a soft demapping in a rotated quadrature amplitude modulation (QAM) based communication system is described. The method and the apparatus include pre-processing a symbol based on a priori information and performing a one-dimensional (1D) soft demapping on the pre-processed symbol, continuously.

Abstract translation: 描述了在基于旋转正交幅度调制（QAM）的通信系统中执行软解映射的方法和装置。 该方法和装置包括基于先验信息对符号进行预处理，并对预处理符号进行一维（1D）软解映射。

公开(公告)号：US20150082116A1

公开(公告)日：2015-03-19

申请号：US14477177

申请日：2014-09-04

Applicant: Samsung Electronics Co., Ltd.

Inventor： Gyu Bum KYUNG ,  Jae Wook SHIM ,  Ho YANG

IPC: H03M13/11 ,  G06F11/10

CPC classification number: H03M13/1165 ,  H03M13/1117 ,  H03M13/112 ,  H03M13/1125 ,  H03M13/3707 ,  H03M13/658 ,  H03M13/6583

Abstract: A low density parity check (LDPC) decoder, including a memory configured to store a log-likelihood ratio (LLR) value of bits output from a demapper, and an LLR message exchanged between a variable node and an inspection node. The LDPC decoder further includes a node processor configured to select a decoding algorithm from a first algorithm and a second algorithm based on a code rate of an LDPC code, and decode the LLR message based on the selected decoding algorithm.

Abstract translation: 低密度奇偶校验（LDPC）解码器，包括被配置为存储从解映射器输出的比特的对数似然比（LLR）值的存储器和在可变节点与检查节点之间交换的LLR消息。 LDPC解码器还包括：节点处理器，被配置为基于LDPC码的码率从第一算法和第二算法中选择解码算法，并且基于所选择的解码算法对LLR消息进行解码。