Patents by Inventor Shozo Okasaka
Shozo Okasaka 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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Patent number: 11497005Abstract: A control device includes reception circuitry which, in operation, receives control information regarding resources to be allocated to a plurality of distributed units, and control circuitry which, in operation, determines, based on the control information, a distributed unit to which a received signal of uplink is to be transferred among the plurality of distributed units.Type: GrantFiled: April 1, 2021Date of Patent: November 8, 2022Assignee: Panasonic Holdings CorporationInventors: Ryuji Muta, Yuta Seki, Shozo Okasaka
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Patent number: 11388744Abstract: A base station able to maintain backward compatibility with an LTE mobile station while minimizing the amount of increase in uplink scheduling information reception and demodulation/decoding processing in independent uplink/downlink cell data transmission. A wireless communication system includes a cell #1, a cell #2, and an LTE-A mobile station, and supports independent uplink/downlink cell data transmission. The base station of the cell #2 arranges a PDCCH+, which includes uplink scheduling information from the LTE-A mobile station to the base station of the cell #2, in a downlink data region in the downlink connection of the base station of the cell #1.Type: GrantFiled: August 24, 2020Date of Patent: July 12, 2022Assignee: SUN PATENT TRUSTInventors: Atsushi Sumasu, Shozo Okasaka, Shinsuke Takaoka, Seigo Nakao, Daichi Imamura
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Publication number: 20210321390Abstract: A control device includes reception circuitry which, in operation, receives control information regarding resources to be allocated to a plurality of distributed units, and control circuitry which, in operation, determines, based on the control information, a distributed unit to which a received signal of uplink is to be transferred among the plurality of distributed units.Type: ApplicationFiled: April 1, 2021Publication date: October 14, 2021Inventors: Ryuji MUTA, Yuta SEKI, Shozo OKASAKA
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Patent number: 11121723Abstract: A low-density parity check convolution code (LDPC-CC) is made, and a signal sequence is sent after being subjected to an error-correcting encodement using the low-density parity check convolution code. In this case, a low-density parity check code of a time-variant period (3g) is created by linear operations of first to 3g-th (letter g designates a positive integer) parity check polynomials and input data.Type: GrantFiled: December 23, 2019Date of Patent: September 14, 2021Assignee: Panasonic CorporationInventors: Yutaka Murakami, Shutai Okamura, Masayuki Orihashi, Takaaki Kishigami, Shozo Okasaka
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Publication number: 20200389913Abstract: A base station able to maintain backward compatibility with an LTE mobile station while minimizing the amount of increase in uplink scheduling information reception and demodulation/decoding processing in independent uplink/downlink cell data transmission. A wireless communication system includes a cell #1, a cell #2, and an LTE-A mobile station, and supports independent uplink/downlink cell data transmission. The base station of the cell #2 arranges a PDCCH+, which includes uplink scheduling information from the LTE-A mobile station to the base station of the cell #2, in a downlink data region in the downlink connection of the base station of the cell #1.Type: ApplicationFiled: August 24, 2020Publication date: December 10, 2020Inventors: Atsushi SUMASU, Shozo OKASAKA, Shinsuke TAKAOKA, Seigo NAKAO, Daichi IMAMURA
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Patent number: 10855312Abstract: A transmission apparatus includes an encoder that codes a data sequence with a parity check matrix, wherein the data sequence includes a final information bit sequence and virtual information bits, and outputs the final information bit sequence and a parity sequence, as LDPC codes, and a transmitter that transmits the LDPC codes as a transmission data. A column length of the parity check matrix is longer than a total length of the final information bit sequence and the parity sequence, by a length of the virtual information bits that are set to “0” and are not transmitted. The total length of the final information bit sequence and the parity sequence has a sequence length corresponding to a length from a first column to a determined column of the parity check matrix. The encoder generates the LDPC codes by using the first column to the determined column among one or more column(s) of the parity check matrix.Type: GrantFiled: January 15, 2019Date of Patent: December 1, 2020Assignee: Panasonic CorporationInventors: Yutaka Murakami, Shutai Okamura, Masayuki Orihashi, Takaaki Kishigami, Shozo Okasaka
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Patent number: 10827449Abstract: This invention describes a method to enable simultaneous connections to multiple cellular networks while utilising only a single subscriber identity by assigning a unique mobile equipment identity to each radio connection and an apparatus to enable simultaneous connections to multiple cellular networks while utilising only a single subscriber identity by assigning a unique mobile equipment identity to each radio connection where the user equipment is able to manage the multiple International Mobile Equipment Identifiers assigned by the manufacturer of the mobile device by correctly identifying the connected interface and reporting the correct accompanying mobile equipment identifier.Type: GrantFiled: June 20, 2019Date of Patent: November 3, 2020Assignee: Panasonic CorporationInventors: Benjamin Tien Ming Koh, Shozo Okasaka
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Patent number: 10791570Abstract: A base station able to maintain backward compatibility with an LTE mobile station while minimizing the amount of increase in uplink scheduling information reception and demodulation/decoding processing in independent uplink/downlink cell data transmission. A wireless communication system includes a cell #1, a cell #2, and an LTE-A mobile station, and supports independent uplink/downlink cell data transmission. The base station of the cell #2 arranges a PDCCH+, which includes uplink scheduling information from the LTE-A mobile station to the base station of the cell #2, in a downlink data region in the downlink connection of the base station of the cell #1.Type: GrantFiled: May 1, 2019Date of Patent: September 29, 2020Assignee: SUN PATENT TRUSTInventors: Atsushi Sumasu, Shozo Okasaka, Shinsuke Takaoka, Seigo Nakao, Daichi Imamura
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Publication number: 20200162110Abstract: A low-density parity check convolution code (LDPC-CC) is made, and a signal sequence is sent after being subjected to an error-correcting encodement using the low-density parity check convolution code. In this case, a low-density parity check code of a time-variant period (3g) is created by linear operations of first to 3g-th (letter g designates a positive integer) parity check polynomials and input data.Type: ApplicationFiled: December 23, 2019Publication date: May 21, 2020Inventors: Yutaka MURAKAMI, Shutai OKAMURA, Masayuki ORIHASHI, Takaaki KISHIGAMI, Shozo OKASAKA
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Patent number: 10560121Abstract: A low-density parity check convolution code (LDPC-CC) is made, and a signal sequence is sent after being subjected to an error-correcting encodement using the low-density parity check convolution code. In this case, a low-density parity check code of a time-variant period (3g) is created by linear operations of first to 3g-th (letter g designates a positive integer) parity check polynomials and input data.Type: GrantFiled: November 22, 2017Date of Patent: February 11, 2020Assignee: PANASONIC CORPORATIONInventors: Yutaka Murakami, Shutai Okamura, Masayuki Orihashi, Takaaki Kishigami, Shozo Okasaka
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Publication number: 20190306822Abstract: This invention describes a method to enable simultaneous connections to multiple cellular networks while utilising only a single subscriber identity by assigning a unique mobile equipment identity to each radio connection and an apparatus to enable simultaneous connections to multiple cellular networks while utilising only a single subscriber identity by assigning a unique mobile equipment identity to each radio connection where the user equipment is able to manage the multiple International Mobile Equipment Identifiers assigned by the manufacturer of the mobile device by correctly identifying the connected interface and reporting the correct accompanying mobile equipment identifier.Type: ApplicationFiled: June 20, 2019Publication date: October 3, 2019Inventors: Benjamin, Tien Ming KOH, Shozo OKASAKA
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Publication number: 20190261403Abstract: A base station able to maintain backward compatibility with an LTE mobile station while minimizing the amount of increase in uplink scheduling information reception and demodulation/decoding processing in independent uplink/downlink cell data transmission. A wireless communication system includes a cell #1, a cell #2, and an LTE-A mobile station, and supports independent uplink/downlink cell data transmission. The base station of the cell #2 arranges a PDCCH+, which includes uplink scheduling information from the LTE-A mobile station to the base station of the cell #2, in a downlink data region in the downlink connection of the base station of the cell #1.Type: ApplicationFiled: May 1, 2019Publication date: August 22, 2019Inventors: Atsushi SUMASU, Shozo OKASAKA, Shinsuke TAKAOKA, Seigo NAKAO, Daichi IMAMURA
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Patent number: 10334622Abstract: A base station able to maintain backward compatibility with an LTE mobile station while minimizing the amount of increase in uplink scheduling information reception and demodulation/decoding processing in independent uplink/downlink cell data transmission. A wireless communication system includes a cell #1, a cell #2, and an LTE-A mobile station, and supports independent uplink/downlink cell data transmission. The base station of the cell #2 arranges a PDCCH+, which includes uplink scheduling information from the LTE-A mobile station to the base station of the cell #2, in a downlink data region in the downlink connection of the base station of the cell #1.Type: GrantFiled: November 21, 2017Date of Patent: June 25, 2019Assignee: SUN PATENT TRUSTInventors: Atsushi Sumasu, Shozo Okasaka, Shinsuke Takaoka, Seigo Nakao, Daichi Imamura
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Publication number: 20190149170Abstract: A transmission apparatus includes an encoder that codes a data sequence with a parity check matrix, wherein the data sequence includes a final information bit sequence and virtual information bits, and outputs the final information bit sequence and a parity sequence, as LDPC codes, and a transmitter that transmits the LDPC codes as a transmission data. A column length of the parity check matrix is longer than a total length of the final information bit sequence and the parity sequence, by a length of the virtual information bits that are set to “0” and are not transmitted. The total length of the final information bit sequence and the parity sequence has a sequence length corresponding to a length from a first column to a determined column of the parity check matrix. The encoder generates the LDPC codes by using the first column to the determined column among one or more column(s) of the parity check matrix.Type: ApplicationFiled: January 15, 2019Publication date: May 16, 2019Inventors: Yutaka Murakami, Shutai Okamura, Masayuki Orihashi, Takaaki Kishigami, Shozo Okasaka
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Patent number: 10263641Abstract: A transmission apparatus includes an encoder that codes a data sequence with a parity check matrix, wherein the data sequence includes a final information bit sequence and virtual information bits, and outputs the final information bit sequence and a parity sequence, as LDPC codes, and a transmitter that transmits the LDPC codes as a transmission data. A column length of the parity check matrix is longer than a total length of the final information bit sequence and the parity sequence, by a length of the virtual information bits that are set to “0” and are not transmitted. The total length of the final information bit sequence and the parity sequence has a sequence length corresponding to a length from a first column to a determined column of the parity check matrix. The encoder generates the LDPC codes by using the first column to the determined column among one or more column(s) of the parity check matrix.Type: GrantFiled: June 26, 2018Date of Patent: April 16, 2019Assignee: Panasonic CorporationInventors: Yutaka Murakami, Shutai Okamura, Masayuki Orihashi, Takaaki Kishigami, Shozo Okasaka
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Publication number: 20180323800Abstract: A transmission apparatus includes an encoder that codes a data sequence with a parity check matrix, wherein the data sequence includes a final information bit sequence and virtual information bits, and outputs the final information bit sequence and a parity sequence, as LDPC codes, and a transmitter that transmits the LDPC codes as a transmission data. A column length of the parity check matrix is longer than a total length of the final information bit sequence and the parity sequence, by a length of the virtual information bits that are set to “0” and are not transmitted. The total length of the final information bit sequence and the parity sequence has a sequence length corresponding to a length from a first column to a determined column of the parity check matrix. The encoder generates the LDPC codes by using the first column to the determined column among one or more column(s) of the parity check matrix.Type: ApplicationFiled: June 26, 2018Publication date: November 8, 2018Inventors: Yutaka Murakami, Shutai Okamura, Masayuki Orihashi, Takaaki Kishigami, Shozo Okasaka
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Publication number: 20180254808Abstract: A terminal device includes a communicator that, after first data communication carried out with the use of a narrowly directional first beam, receives, by using a widely directional beam, a plurality of first signals that a base station device has transmitted by using respective narrowly directional beams, and a determination circuitry that calculates the reception quality of the plurality of first signals and determines a narrowly directional second beam that the base station device uses for communication. The communicator transmits a feedback signal including information indicating the second beam to the base station device by using the first beam and starts second data communication by using the first beam in a case in which the communicator has received, by using the first beam, a response indicating that the base station device has received the feedback signal.Type: ApplicationFiled: February 28, 2018Publication date: September 6, 2018Inventors: MASASHI KOBAYASHI, KOJI TAKINAMI, SHOZO OKASAKA
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Patent number: 10038457Abstract: A transmission apparatus includes an encoder that codes a data sequence with a parity check matrix, wherein the data sequence includes a final information bit sequence and virtual information bits, and outputs the final information bit sequence and a parity sequence, as LDPC codes, and a transmitter that transmits the LDPC codes as a transmission data. A column length of the parity check matrix is longer than a total length of the final information bit sequence and the parity sequence, by a length of the virtual information bits that are set to “0” and are not transmitted. The total length of the final information bit sequence and the parity sequence has a sequence length corresponding to a length from a first column to a determined column of the parity check matrix. The encoder generates the LDPC codes by using the first column to the determined column among one or more column(s) of the parity check matrix.Type: GrantFiled: December 21, 2016Date of Patent: July 31, 2018Assignee: Panasonic CorporationInventors: Yutaka Murakami, Shutai Okamura, Masayuki Orihashi, Takaaki Kishigami, Shozo Okasaka
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Publication number: 20180167085Abstract: A low-density parity check convolution code (LDPC-CC) is made, and a signal sequence is sent after being subjected to an error-correcting encodement using the low-density parity check convolution code. In this case, a low-density parity check code of a time-variant period (3g) is created by linear operations of first to 3g-th (letter g designates a positive integer) parity check polynomials and input data.Type: ApplicationFiled: November 22, 2017Publication date: June 14, 2018Inventors: Yutaka Murakami, Shutai Okamura, Masayuki Orihashi, Takaaki Kishigami, Shozo Okasaka
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Patent number: 9980206Abstract: In order to shorten the time in which an initial connection is established when switching directivity and then performing the initial connection, a frame timing control unit sets, until detection of an RACH signal, a transmission timing of a transmission frame for transmitting a search signal and a broadcast signal and also sets a reception-start timing for starting the reception of the corresponding RACH signal. A search/broadcast signal generation unit generates the broadcast signal and the search signal including reception-timing information. A beam directivity control unit sets, for a predetermined time starting from the reception-start timing, a directivity pattern such that the directivity is in the same direction as the directivity pattern for the corresponding transmission-timing information, whereby the beam directivity control unit controls a beam directivity operation unit.Type: GrantFiled: May 30, 2014Date of Patent: May 22, 2018Assignee: PANASONIC CORPORATIONInventors: Shozo Okasaka, Takayuki Sotoyama, Seigo Nakao