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公开(公告)号：US20170288706A1
公开(公告)日：2017-10-05
申请号：US15505913
申请日：2015-07-06
Applicant: Samsung Electronics Co., Ltd.
Inventor： Seok-Ki Ahn , Woo-Myoung Park , Min Sagong , Chi-Woo Lim , Sung-Nam Hong
CPC classification number: H03M13/31 , H03M13/1171 , H03M13/255 , H03M13/618 , H03M13/6362 , H03M13/6393 , H04L1/0013 , H04L1/0041 , H04L1/0069
Abstract: The present disclosure relates to a pre-5th-Generation (5G) or 5G communication system to be provided for supporting higher data rates Beyond 4th-Generation (4G) communication system such as Long Term Evolution (LTE). The present invention relates to a method and a device for efficiently shortening and puncturing a non-binary LDPC code, the method for a transmitter shortening and puncturing a non-binary code being capable of supporting various modulation methods by using a single non-binary code, and the method comprising the steps of: shortening, on the basis of a modulation method, at least one information bit in at least one information symbol constituting the non-binary code; encoding the at least one information symbol having a shortened information bit; and puncturing, on the basis of the modulation method, at least one parity code in at least one parity symbol obtained through the encoding step.
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公开(公告)号：US09730187B2
公开(公告)日：2017-08-08
申请号：US14904645
申请日：2014-07-14
Applicant: Samsung Electronics Co., Ltd
Inventor： Seung-Hoon Park , Kyung-Kyu Kim , Dae-Gyun Kim , Hyun-Seok Ryu , Young-Joong Mok , Sang-Kyu Baek , Chi-Woo Lim , Young-Bin Chang
CPC classification number: H04W72/02 , H04W72/0413 , H04W72/042 , H04W72/1257
Abstract: An apparatus is configured to perform a method for performing distributed scheduling by a reception device configuring a target link corresponding to one of a plurality of links in a network in which the plurality of links for device to device communication exist. The method includes adding up resource allocation demand amounts included in resource information broadcasted by a counterpart device configuring the target link and one or more adjacent transmission devices by a preset Resource Unit (RU), and adjusting self resource information in consideration of resource position information included in the broadcasted resource information and the added resource allocation demand amount and transmitting the adjusted self resource information to the counterpart transmission device.
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公开(公告)号：US20170201344A1
公开(公告)日：2017-07-13
申请号：US15405096
申请日：2017-01-12
Applicant: Samsung Electronics Co., Ltd.
Inventor： Chi-Woo Lim , Jae-Yoel Kim , Woo-Myoung Park , Seok-Ki Ahn , Min Jang
CPC classification number: H04L1/0009 , H03M13/1102 , H03M13/6306 , H04L1/0025 , H04L1/0041 , H04L1/0045 , H04L1/1819 , H04L1/1874
Abstract: Fifth Generation (5G) or pre-5G communication system for supporting a data transfer rate higher than that of a fourth Generation (4G) communication system, such as Long Term Evolution (LTE), and subsequent systems. The present disclosure provides a method for transmitting a signal by a transmission terminal in a communication system using a Low Density Parity Check (LDPC) code. The method include receiving a change request for changing a coding rate of the LDPC code, from a reception terminal; determining a first coding rate based on the change request; and transmitting information on the first coding rate in respond to the change request, to a reception terminal, wherein the change request for changing the coding rate comprises at least one of information indicating a coding rate determined by the reception terminal, or information indicating a state of the reception terminal.
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54.发明授权Scheduling method and apparatus in system performing device-to-device communication 有权执行设备到设备通信的系统中的调度方法和设备公开(公告)号：US09510381B2
公开(公告)日：2016-11-29
申请号：US14207327
申请日：2014-03-12
Inventor： Kyung-Kyu Kim , Min Young Chung , Dong Hyun Kim , Sueng Jae Bae , Dae-Gyun Kim , Hyun-Seok Ryu , Seung-Hoon Park , Chi-Woo Lim
Abstract: A link scheduling method in a system for performing Device-to-Device (D2D) communication includes periodically collecting information indicating whether to perform a medium access from at least one neighboring link determining at least one link expected to perform a medium access in a corresponding traffic slot among links with a higher priority than the terminal based on the collected information, and determining whether to perform the medium access of the terminal by considering only the at least one link expected to perform the medium access.
Abstract translation: 用于执行设备到设备（D2D）通信的系统中的链路调度方法包括周期性地收集指示是否从至少一个相邻链路执行介质访问的信息，确定期望执行相应业务中的媒体接入的至少一个链路 基于所收集的信息具有比终端优先级高的链路之间的时隙，并且仅考虑期望执行媒体接入的至少一个链路来确定是否执行终端的媒体接入。
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55.发明授权Method and apparatus for encoding and decoding for frequency and quadrature-amplitude modulation in wireless communication system 有权用于无线通信系统中频率和正交幅度调制的编码和解码方法和装置公开(公告)号：US09331884B2
公开(公告)日：2016-05-03
申请号：US14204060
申请日：2014-03-11
Applicant: Samsung Electronics Co., Ltd.
Inventor： Sung-Nam Hong , Min Sagong , Chi-Woo Lim , Hyun-Kyu Yu , Kyung-Whoon Cheun
CPC classification number: H04L27/3405 , H04L27/106 , H04L27/183 , H04L27/3488
Abstract: An apparatus and a method for operating a transmission end in a wireless communication system that supports Frequency and Quadrature-Amplitude Modulation (FQAM) are provided. The method includes dividing an information bit stream into a plurality of portions, encoding each of the plurality of portions using different encoding schemes, and generating an FQAM symbol by combining result values of the encoding of each of the plurality of portions, wherein the encoding schemes are different according to at least one of an encoding order, an encoding rate, an input size, and an encoding technique.
Abstract translation: 提供了一种用于在支持频率和正交幅度调制（FQAM）的无线通信系统中操作发送端的装置和方法。 该方法包括：将信息比特流划分为多个部分，使用不同的编码方案对多个部分中的每一个进行编码;以及通过组合多个部分中的每一个的编码的结果值来生成FQAM符号，其中编码方案 根据编码顺序，编码率，输入尺寸和编码技术中的至少一个不同。
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Patent Agency Ranking
56.发明授权公开(公告)号：US09301270B2
公开(公告)日：2016-03-29
申请号：US14061651
申请日：2013-10-23
Applicant: Samsung Electronics Co., Ltd
Inventor： Seung-Hoon Park , Kyung-Kyu Kim , Dae-Gyun Kim , Chi-Woo Lim
CPC classification number: H04W56/001 , H04W56/002 , H04W76/14 , H04W76/27
Abstract: A method and an apparatus for synchronization for a device-to-device communication are disclosed. The method includes: instantly adjusting a synchronization phase value according to a time point when a synchronization signal is received, as soon as a device receives the synchronization signal from an adjacent device in an unconnected state; accumulatively storing at least one phase adjustment value according to a time point when at least one synchronization signal is received, whenever the device receives the at least one synchronization signal from at least one adjacent device in a connected state; and adjusting the synchronization phase value according to the stored at least one phase adjustment value when the device transitions from the connected state to the unconnected state.
Abstract translation: 公开了一种用于设备到设备通信的同步的方法和装置。 该方法包括：一当设备在未连接状态从相邻设备接收到同步信号时，立即根据接收到同步信号的时间点来调整同步相位值; 每当设备在连接状态下从至少一个相邻设备接收到至少一个同步信号时，根据接收到至少一个同步信号的时间点累积存储至少一个相位调整值; 以及当所述设备从所述连接状态转换到所述未连接状态时，根据所存储的至少一个相位调整值来调整所述同步相位值。
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57.发明授权Method and apparatus for generating connection identifier for device-to-device communication 有权用于生成设备到设备通信的连接标识符的方法和装置公开(公告)号：US09155115B2
公开(公告)日：2015-10-06
申请号：US13654772
申请日：2012-10-18
Applicant: Samsung Electronics Co. Ltd.
Inventor： Chi-Woo Lim , Kyung-Kyu Kim , Seung-Hoon Park
Abstract: A method and a device for generating a CID for D2D communication are provided. A transmitting device transmits a request for direct communication between the transmitting device and a receiving device on a resource unit of a first resource index determined based upon at least one of a device ID of the transmitting device or of the receiving device during a first period, receives information about at least one used CID being used by at least one surrounding device from the peripheral device during a second period, transmits information including at least one available CID acquired during the second period on a resource unit of a second resource index being identical to the first resource index during a third period, and determines at least one CID to be used for D2D communication between the transmitting device and the receiving device based on the transmitted information.
Abstract translation: 提供了一种用于生成用于D2D通信的CID的方法和装置。 发送装置在第一期间内基于发送装置的装置ID或接收装置的至少一个确定的资源单位的发送装置和接收装置之间进行直接通信的请求， 在第二时段期间从外围设备接收关于至少一个周围设备正在使用的至少一个所使用的CID的信息，在第二周期中的第二资源索引的资源单元上发送包括在第二周期中获取的至少一个可用CID的信息， 在第三时段内的第一资源索引，并且基于所发送的信息确定要用于发送设备和接收设备之间的D2D通信的至少一个CID。
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58.发明申请APPARATUS AND METHOD FOR CORRECTING ERROR IN MOBILE COMMUNICATION SYSTEM USING NON-BINARY LOW-DENSITY PARITY-CHECK CODES 有权使用非二进制低密度奇偶校验码更正移动通信系统中的错误的装置和方法公开(公告)号：US20150263763A1
公开(公告)日：2015-09-17
申请号：US14656477
申请日：2015-03-12
Applicant: Samsung Electronics Co., Ltd.
Inventor： Sang-Min Kim , Woo-Myoung Park , Chi-Woo Lim
IPC: H03M13/11
CPC classification number: H03M13/1171 , H03M13/3707 , H03M13/658
Abstract: Various embodiments of the present disclosure adjusts the size (nm) of a message input to a corresponding check node in case the unsatisfied check equation increases as the iteration count increases.Another embodiment of the present disclosure relates to a method for selecting a message and grasps the data distribution characteristics of the message vector values converted using the signal to noise ratio (SNR) and modulation and coding scheme (MCS) parameters of the receiver to select the message value with a value smaller than the threshold value in each message vector.
Abstract translation: 本公开的各种实施例在不满足的检验方程随着迭代计数增加而增加的情况下调整输入到相应校验节点的消息的大小（nm）。 本公开的另一实施例涉及一种用于选择消息并且掌握使用接收机的信噪比（SNR）和调制和编码方案（MCS）参数转换的消息向量值的数据分布特性的方法，以选择 消息值，其值小于每个消息向量中的阈值。
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59.发明授权Apparatus and method for supporting time-quadrature amplitude modulation in a wireless communication system 有权用于在无线通信系统中支持时间 - 正交幅度调制的装置和方法公开(公告)号：US09077605B2
公开(公告)日：2015-07-07
申请号：US14166769
申请日：2014-01-28
Applicant: Samsung Electronics Co., Ltd.
Inventor： Min Sagong , Chi-Woo Lim , Sung-Nam Hong , Hyun-Kyu Yu , Kyung-Whoon Cheun
CPC classification number: H04L27/3444 , H04L27/3405
Abstract: A method for supporting Time-Quadrature Amplitude Modulation (TQAM) in a wireless communication system includes generating a transmission symbol identified by a combination of a QAM symbol and a position of a time resource to which the QAM symbol is mapped, shifting at least one QAM symbol among QAM symbols contained in the transmission symbols with respect to a time axis, and readjusting a constellation point of the QAM symbol on the basis of a shifting quantity. A method for operating a receive end comprises receiving a reception symbol identified by a combination of a QAM symbol and a position of a time resource to which the QAM symbol is mapped, restoring at least one QAM symbol shifted in a transmit end for uniformizing of the time-axis distribution of QAM symbols contained in the reception symbols, generating decoding metrics for the reception symbol, and performing decoding the reception symbol using the decoding metric.
Abstract translation: 一种在无线通信系统中支持时间 - 正交幅度调制（TQAM）的方法包括：生成由QAM符号与QAM符号所映射的时间资源的位置组合识别的传输符号，移位至少一个QAM 符号，其包含在相对于时间轴的发送符号中的QAM符号中，并且基于移位量重新调整QAM符号的星座点。 一种用于操作接收端的方法包括：接收由QAM符号的组合和QAM符号映射到的时间资源的位置所识别的接收符号，恢复在发送端移位的至少一个QAM符号，以使均衡化 包含在接收符号中的QAM符号的时间轴分布，生成用于接收符号的解码度量，并且使用解码度量对接收符号进行解码。
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60.发明申请METHOD AND APPARATUS FOR SUPPORTING FREQUENCY-QUADRATURE AMPLITUDE MODULATION IN WIRELESS COMMUNICATION SYSTEM 有权支持无线通信系统中频率 - 幅度调制的方法与装置公开(公告)号：US20140211880A1
公开(公告)日：2014-07-31
申请号：US14166779
申请日：2014-01-28
Applicant: Samsung Electronics Co., Ltd
Inventor： Min Sagong , Chi-Woo Lim , Sung-Nam Hong , Hyun-Kyu Yu , Kyung-Whoon Cheun
CPC classification number: H04L27/14 , H04L25/067 , H04L27/2647 , H04L27/32 , H04L27/38
Abstract: A method for generating a decoding metric in a wireless communication system includes receiving an FQAM symbol and determining transmission probabilities of FQAM symbol candidates from a received value of the FQAM symbol, wherein the transmission probabilities of the FQAM symbol candidates are determined by multiplying a probability that a QAM symbol included in the FQAM symbol is mapped to each of candidate values in one frequency and a probability that a signal is not transmitted in the other at least one frequency. An apparatus in a wireless communication system for supporting FQAM, the apparatus comprising an RF processing unit configured to receive an FQAM symbol, and a modem configured to determine transmission probabilities of FQAM symbol candidates from a received value of the FQAM symbol.
Abstract translation: 一种用于在无线通信系统中生成解码度量的方法，包括从FQAM符号的接收值接收FQAM符号并确定FQAM符号候选的传输概率，其中，通过将FQAM符号候选的传输概率乘以 包含在FQAM符号中的QAM符号被映射到一个频率中的候选值中的每个候选值，以及在另一个频率中不发送信号的概率。 一种用于支持FQAM的无线通信系统中的装置，该装置包括被配置为接收FQAM符号的RF处理单元和被配置为根据接收到的FQAM符号的值来确定FQAM符号候选的传输概率的调制解调器。
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