Patents by Inventor Moon II Lee
Moon II Lee has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Publication number: 20230148282Abstract: A wireless transmit receive unit (WTRU) may be configured to receive configuration information from a network regarding a set of spatial filters for the WTRU to use to communicate with the network. Each of the spatial filters may be associated a beam group and/or a measurement resource. The WTRU may further receive downlink control information (DCI) that indicates one or more time periods in which a portion of the set of configured spatial filters may be applicable. Based on the configuration information, the DCI, and/or a measurement, the WTRU may select a spatial filter from the portion of spatial filters to apply in the time period, and the WTRU may perform a communication task in the time period using the selected spatial filter.Type: ApplicationFiled: April 12, 2021Publication date: May 11, 2023Applicant: IDAC HOLDINGS, INC.Inventors: Paul Marinier, Aata EI Hamss, Moon-iI Lee, Loic Canonne-Velasquez, Tuong Duc Hoang, Ghyslain Pelletier
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Patent number: 10090981Abstract: A method is provided for transmitting a demodulation reference signal (DMRS) by a user equipment (UE) in a wireless communication system. The UE receives a cyclic shift field in an uplink scheduling assignment from a base station, allocates a first cyclic shift value of a first DMRS for a first layer and a second cyclic shift value of a second DMRS for a second layer, based on the cyclic shift field, and transmits the first DMRS and the second DMRS to the base station.Type: GrantFiled: June 29, 2017Date of Patent: October 2, 2018Assignee: LG ELECTRONICS INC.Inventors: Min Seok Noh, Jae Hoon Chung, Yeong Hyeon Kwon, Hyun Soo Ko, Seung Hee Han, Moon II Lee
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Publication number: 20180070351Abstract: The present invention relates to a method in which a user equipment receives a downlink signal from a base station in a wireless communication system that supports downlink mimo transmission according to one embodiment of the present invention comprises: receiving downlink control information that includes information indicative of the number of layers (n, 1?n?8) where one or two enabled code words of the downlink mimo transmission are mapped; on the basis of the downlink control information, receiving downlink data transmitted over the respective n layers and a ue-specific reference signal for each of the n layers; and decoding the downlink data on the basis of the ue-specific reference signals, wherein the information indicative of the number of layers can further include information on a code for identifying the ue-specific reference signals.Type: ApplicationFiled: November 9, 2017Publication date: March 8, 2018Inventors: Hyun Soo Ko, Jae Hoon Chung, Bin Chul Ihm, Moon II Lee
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Patent number: 9853776Abstract: A method for correcting errors in a multiple antenna system based on a plurality of sub-carriers and a transmitting/receiving apparatus supporting the same are disclosed. The method includes determining a phase shift based precoding matrix phase shifted at a predetermined phase angle, initially transmitting each sub-carrier symbol to a receiver in a packet unit by using the phase shift based precoding matrix, reconstructing the phase shift based precoding matrix to reduce a spatial multiplexing rate if a negative reception acknowledgement (NACK) is received from the receiver, and retransmitting the initially transmitted sub-carrier symbol by using the reconstructed phase shift based precoding matrix or by changing the phase shift based precoding matrix using offset information fed back from the receiver or random offset information.Type: GrantFiled: May 6, 2016Date of Patent: December 26, 2017Assignee: LG ELECTRONICS INC.Inventors: Moon II Lee, Bin Chul Ihm, Jin Young Chun
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Patent number: 9641293Abstract: A method of transmitting, by a transmitter, information in a wireless communication system, the method includes generating first and second symbols; generating first and second transmit vectors on the basis of an Alamouti code from the first and second symbols; and transmitting the first transmit vector through a first antenna and transmitting the second transmit vector through a second antenna. The first transmit vector consists of a first transmit symbol and a second transmit symbol. The second transmit vector consists of a third transmit symbol and a fourth transmit symbol. The first, second, third, and fourth transmit symbols are transmitted based on first and second resource indexes. The first symbol is a first modulation symbol for first information, and the second symbol is a second modulation symbol for second information.Type: GrantFiled: November 10, 2016Date of Patent: May 2, 2017Assignee: LG ELECTRONICS INC.Inventors: Seung Hee Han, Moon II Lee, Yeong Hyeon Kwon, Hyun Soo Ko, Ja Ho Koo, Dong Cheol Kim, Jae Hoon Chung, Sung Ho Moon, Jin Sam Kwak, Min Seok Noh, Hyun Woo Lee
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Publication number: 20170005759Abstract: A method of data transmission includes determining the number of layers, generating mapping symbols by mapping modulation symbols for a first codeword and modulation symbols for a second codeword to each layer, and transmitting the mapping symbols through a plurality of antennas. At least one of the first codeword and the second codeword is mapped to at least 3 layers and the number of layers is larger than 3.Type: ApplicationFiled: September 13, 2016Publication date: January 5, 2017Inventors: Jae Hoon Chung, Hyun Soo Ko, Seung Hee Han, Moon II Lee
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Patent number: 9538511Abstract: The present invention provides a method and apparatus for transmitting uplink control information (UCI) with user equipment in a wireless communication system. The user equipment performs channel coding on information bits of UCI to generate encoded information bits; modulates the generated encoded information bits to generate complex modulation symbols; spreads the complex modulation symbols blockwise into a plurality of single carrier frequency division multiple access (SC-FDMA) symbols on the basis of an orthogonal sequence; and transmits the spread complex modulation symbols to a base station.Type: GrantFiled: September 25, 2015Date of Patent: January 3, 2017Assignee: LG Electronics Inc.Inventors: Seung Hee Han, Yeong Hyeon Kwon, Jae Hoon Chung, Moon II Lee
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Publication number: 20160043837Abstract: A method of transmitting, by a transmitter, information in a wireless communication system, the method includes generating first and second symbols; generating first and second transmit vectors on the basis of an Alamouti code from the first and second symbols; and transmitting the first transmit vector through a first antenna and transmitting the second transmit vector through a second antenna. The first transmit vector consists of a first transmit symbol and a second transmit symbol. The second transmit vector consists of a third transmit symbol and a fourth transmit symbol. The first, second, third, and fourth transmit symbols are transmitted based on first and second resource indexes. The first symbol is a first modulation symbol for first information, and the second symbol is a second modulation symbol for second information.Type: ApplicationFiled: October 19, 2015Publication date: February 11, 2016Inventors: Seung Hee HAN, Moon II Lee, Yeong Hyeon Kwon, Hyun Soo Ko, Ja Ho Koo, Dong Cheol Kim, Jae Hoon Chung, Sung Ho Moon, Jin Sam Kwak, Min Seok Noh, Hyun Woo Lee
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Patent number: 9236992Abstract: The present invention relates to a method for transceiving scheduling signals in a multi-carrier wireless communication system, comprising a step of transmitting, via a predetermined downlink component carrier, a PDSCH transmission scheduling signal on one or more downlink component carriers and/or a PUSCH transmission scheduling signal on one or more uplink component carriers; and a step of transceiving the PDSCH and/or the PUSCH in accordance with the scheduling signals. The scheduling signals can be defined to the same size in a PDCCH transmission region of said predetermined downlink component carrier in the event different MIMO transmission modes are applied to the PDSCH transmission or the PUSCH transmission, or in the event said one or more downlink component carriers or said one or more uplink component carriers have different bandwidths.Type: GrantFiled: September 17, 2010Date of Patent: January 12, 2016Assignee: LG Electronics Inc.Inventors: Jae Hoon Chung, Sung Ho Moon, Moon II Lee, Hyun Soo Ko
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Patent number: 9191167Abstract: The present invention relates to a method and apparatus which transmit/receive at least one demodulation reference signal by using a CDM group and/or a transmission rank of a user device that have been used to transmit the at least one demodulation reference signal for the user device, an OCC that has been used to spread the demodulation reference signal, etc. Also, the present invention relates to a method and apparatus which change an antenna port for transmitting the demodulation reference signal by using NDI for a disabled transmission block.Type: GrantFiled: March 11, 2015Date of Patent: November 17, 2015Assignee: LG Electronics Inc.Inventors: Moon II Lee, Jae Hoon Chung, Hyun Soo Ko, Seung Hee Han
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Publication number: 20150319750Abstract: The present invention relates to a method in which a user equipment receives a downlink signal from a base station in a wireless communication system that supports downlink mimo transmission according to one embodiment of the present invention comprises: receiving downlink control information that includes information indicative of the number of layers (n, 1?n?8) where one or two enabled code words of the downlink mimo transmission are mapped; on the basis of the downlink control information, receiving downlink data transmitted over the respective n layers and a ue-specific reference signal for each of the n layers; and decoding the downlink data on the basis of the ue-specific reference signals, wherein the information indicative of the number of layers can further include information on a code for identifying the ue-specific reference signals.Type: ApplicationFiled: July 13, 2015Publication date: November 5, 2015Inventors: Hyun Soo KO, Jae Hoon Chung, Bin Chul Ihm, Moon II Lee
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Patent number: 9106291Abstract: A method for correcting errors in a multiple antenna system based on a plurality of sub-carriers and a transmitting/receiving apparatus supporting the same are disclosed. The method includes determining a phase shift based precoding matrix phase shifted at a predetermined phase angle, initially transmitting each sub-carrier symbol to a receiver in a packet unit by using the phase shift based precoding matrix, reconstructing the phase shift based precoding matrix to reduce a spatial multiplexing rate if a negative reception acknowledgement (NACK) is received from the receiver, and retransmitting the initially transmitted sub-carrier symbol by using the reconstructed phase shift based precoding matrix or by changing the phase shift based precoding matrix using offset information fed back from the receiver or random offset information.Type: GrantFiled: December 26, 2013Date of Patent: August 11, 2015Assignee: LG ELECTRONICS INC.Inventors: Moon II Lee, Bin Chul Ihm, Jin Young Chun
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Patent number: 9059818Abstract: A wireless communication system, a method, and an apparatus for transmitting a multi-user Multiple Input Multiple Output (MIMO) signal in a wireless communication system for supporting a relay. A method for transmitting a demodulation reference signal (DMRS) for downlink multi-user MIMO transmission, the method including mapping a DMRS for first and second layers on a downlink physical resource block according to first and second DMRS patterns, respectively; and transmitting the downlink physical resource block. In the downlink physical resource block, a resource element corresponding to the second DMRS pattern can be punctured on the first layer and resource element corresponding to the first DMRS pattern can be punctured on the first layer and a resource element corresponding to the first DMRS pattern can be punctured on the second layer.Type: GrantFiled: October 18, 2010Date of Patent: June 16, 2015Assignee: LG ELECTRONICS INC.Inventors: Jae Hoon Chung, Moon II Lee, Sung Ho Moon
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Patent number: 9025560Abstract: The present invention relates to a wireless communication system. More particularly, the present invention relates to a method for transmitting control information through a PUCCH in a wireless system and to a device therefore, the method comprising the following steps: receiving a first modulation symbol and a second modulation symbol from the control information; diffusing in a frequency domain, the first modulation symbol to a plurality of subcarriers; diffusing in a time domain, the first modulation symbol diffused in the frequency domain to a plurality of contiguous first SC-FDMA symbols; diffusing in the frequency domain, the second modulation symbol to a plurality of subcarriers; diffusing in the time domain, the second modulation symbol diffused in the frequency domain to the plurality of contiguous first SC-FDMA symbols; and transmitting the diffused first modulation symbol and the second modulation symbol through the PUCCH.Type: GrantFiled: April 21, 2011Date of Patent: May 5, 2015Assignee: LG Electronics Inc.Inventors: Seung Hee Han, Hyun Soo Ko, Jae Hoon Chung, Moon II Lee
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Publication number: 20150103796Abstract: The present invention relates to a method for generating an uplink reference signal in a system supporting plural uplink-access transmission modes. The method comprises: a step for transmitting the reference signal configuration information about the configuration of a reference signal from a base station to a user device through an uplink grant PDCCH (Physical Downlink Control Channel), and a step for receiving from the user device a sub-frame including the reference signal that is generated based on the reference signal configuration information. The reference signal configuration information is prepared for plural uplink access transmission modes and includes a cyclic shift value for the sequence of the reference signal. The reference signal is supposed to be transmitted to an uplink, and the user device is set up to be operated in the uplink-access transmission mode that corresponding to the reference signal configuration information.Type: ApplicationFiled: December 18, 2014Publication date: April 16, 2015Inventors: Jae Hoon Chung, So Yeon Kim, Yeong Hyeon Kwon, Hyun Soo Ko, Seung Hee Han, Moon II Lee
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Patent number: 8934446Abstract: The present invention relates a method in which a base station transmits a downlink signal by using a plurality of layers comprises the steps of: multiplexing and transmitting dedicated reference signals for the plurality of layers on the basis of a reference signal pattern, wherein 24 resource element positions comprised in the reference signal pattern are set as 6 groups, the 6 groups are set as 2 high-level groups, the reference signal for the plurality of layer is split and placed in the 2 high-level groups, and the reference signal for 2 or more layers placed in the same group is subjected to code-division multiplexing.Type: GrantFiled: October 4, 2010Date of Patent: January 13, 2015Assignee: LG Electronics Inc.Inventors: Hyun Soo Ko, Jae Hoon Chung, Bin Chul Ihm, Moon II Lee, Seung Hee Han
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Patent number: 8891354Abstract: A method for multiplexing a data information stream, including a systematic symbol and a non-systematic symbol, and a control information stream of at least three types in a wireless mobile communication system is disclosed. The method includes mapping the data information stream to a resource area so that the systematic symbol is not mapped to a specific resource area to which the control information stream is mapped, and mapping the control information stream to the specific resource area.Type: GrantFiled: March 8, 2013Date of Patent: November 18, 2014Assignee: LG Electronics Inc.Inventors: Ki Hwan Kim, Jae Hoon Chung, Moon II Lee
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Patent number: 8873673Abstract: A method of transmitting, by a transmitter, information in a wireless communication system, the method includes generating first and second symbols; generating first and second transmit vectors on the basis of an Alamouti code from the first and second symbols; and transmitting the first transmit vector through a first antenna and transmitting the second transmit vector through a second antenna. The first transmit vector consists of a first transmit symbol and a second transmit symbol. The second transmit vector consists of a third transmit symbol and a fourth transmit symbol. The first, second, third, and fourth transmit symbols are transmitted based on first and second resource indexes. The first symbol is a first modulation symbol for first information, and the second symbol is a second modulation symbol for second information.Type: GrantFiled: November 26, 2013Date of Patent: October 28, 2014Assignee: LG Electronics Inc.Inventors: Seung Hee Han, Moon II Lee, Yeong Hyeon Kwon, Hyun Soo Ko, Ja Ho Koo, Dong Cheol Kim, Jae Hoon Chung, Sung Ho Moon, Jin Sam Kwak, Min Seok Noh, Hyun Woo Lee
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Patent number: 8780784Abstract: According to one embodiment of the present invention, the method for transmitting control information from a relay node to a base station on a backhaul link comprises the steps of: determining whether one time slot of a backhaul uplink subframe from the relay node to the base station is a first type slot having transmitted symbol with guard time set or a second type slot without guard time set; diffusing the control information in a time domain using a first length sequence for the first type slot or a second length sequence for the second type slot; mapping the diffused control information on at least one slot from the first type slot or the second type slot; and transmitting the backhaul uplink subframe having more than one slot from the first type slot or the second type slot wherein the control information is mapped.Type: GrantFiled: May 31, 2010Date of Patent: July 15, 2014Assignee: LG Electronics Inc.Inventors: Jae Hoon Chung, Moon II Lee, Kyu Jin Park, Sung Ho Moon, Seung Hee Han, Yeong Hyeon Kwon
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Patent number: 8705459Abstract: Disclosed is a method for multiplexing control signals between a plurality of users when control signals for the plurality of users are allocated within one resource block. That is, a method for multiplexing control signals includes coding control signals for at least one user signals to correspond to a structure of a transmission block for the control signals among one or more dedicated resource block, multiplexing the control signals for the at least one user signals in the dedicated resource block, and transmitting the control signals, wherein the dedicated resource block is allocated for transmitting the control signals separately from data signals among a plurality of transmission resource blocks. A frequency division multiplexing (FDM) mode and a code division multiplexing (CDM) mode are used to multiplex the control signals for the plurality of users.Type: GrantFiled: January 4, 2008Date of Patent: April 22, 2014Assignee: LG Electronics Inc.Inventors: Jin Young Chun, Bin Chul Ihm, Wook Bong Lee, Jae Won Chang, Moon II Lee