Patents by Inventor Hiroyuki Motozuka
Hiroyuki Motozuka 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: 20240129002Abstract: According to a communication method of the present disclosure, a responder, after the end of transmission sector sweep (TXSS), receives from an initiator a first feedback frame including a BF training type FIELD indicating whether or not to implement a beam forming training (BFT) of a single user multi-input multi-output (SU-MIMO). If the BF training type FIELD indicates that a BFT of the SU-MIMO is to be implemented, the responder transmits to the initiator a second feedback frame based on the result of the TXSS and including a signal to noise ratio (SNR) and a sector identifier (ID) order. The initiator implements the BFT of the SU-MIMO between the initiator and the responder on the basis of the SNR and the sector ID order.Type: ApplicationFiled: December 20, 2023Publication date: April 18, 2024Inventors: Lei HUANG, Hiroyuki MOTOZUKA, Takenori SAKAMOTO
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Publication number: 20240129003Abstract: A transmission device includes: a weighting synthesizer that generates a first precoded signal and a second precoded signal; a first pilot inserter that inserts a pilot signal into the first precoded signal; a phase changer that applies a phase change of i×?? to the second precoded signal, where i is a symbol number and an integer that is greater than or equal to 0; an inserter that inserts a pilot signal into the phase-changed second precoded signal; and a phase changer that applies a phase change to the phase-changed and pilot-signal-inserted second precoded signal. ?? satisfies ?/2 radians<??<? radians or ? radians<??<3?/2 radians.Type: ApplicationFiled: November 13, 2023Publication date: April 18, 2024Inventors: Yutaka MURAKAMI, Tomohiro KIMURA, Mikihiro OUCHI, Hiroyuki MOTOZUKA
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Publication number: 20240120983Abstract: A reception apparatus includes reception circuitry and decoding circuitry. The reception receives a signal including a legacy header field, an enhanced directional multi-gigabit (EDMG) header field, and a data field. The decoding circuitry decodes data included in the data field of the received signal. The legacy header field includes a Length field comprising multiple bits. The reception apparatus is an EDMG terminal, and a subset of the multiple bits of the Length field included in the legacy header field is used to indicate bandwidth over which the signal is transmitted. Remaining bits of the Length field included in the legacy header field are used to indicate data length of the received signal.Type: ApplicationFiled: December 6, 2023Publication date: April 11, 2024Inventors: HIROYUKI MOTOZUKA, NAGANORI SHIRAKATA, MASATAKA IRIE, TAKENORI SAKAMOTO
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Publication number: 20240080069Abstract: An initiator device is provided with a generation circuit for supporting Single User (SU)-Multiple Input Multiple Output (MIMO) operation and generating a first signal including a value that indicates which of a reciprocal MIMO phase and a non-reciprocal MIMO phase is to be applied to SU-MIMO BF training, and a transmission circuit for transmitting the first signal to a responder device. The responder device is provided with a reception circuit for receiving the first signal from the initiator device, and a processing circuit for determining on the basis of the value which of the reciprocal MIMO phase and the non-reciprocal MIMO phase is to be applied to SU-MIMO BF training.Type: ApplicationFiled: November 9, 2023Publication date: March 7, 2024Inventors: Lei HUANG, Hiroyuki MOTOZUKA, Takenori SAKAMOTO
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Patent number: 11894890Abstract: According to a communication method of the present disclosure, a responder, after the end of transmission sector sweep (TXSS), receives from an initiator a first feedback frame including a BF training type FIELD indicating whether or not to implement a beam forming training (BFT) of a single user multi-input multi-output (SU-MIMO). If the BF training type FIELD indicates that a BFT of the SU-MIMO is to be implemented, the responder transmits to the initiator a second feedback frame based on the result of the TXSS and including a signal to noise ratio (SNR) and a sector identifier (ID) order. The initiator implements the BFT of the SU-MIMO between the initiator and the responder on the basis of the SNR and the sector ID order.Type: GrantFiled: September 27, 2022Date of Patent: February 6, 2024Assignee: Panasonic Intellectual Property Corporation of AmericaInventors: Lei Huang, Hiroyuki Motozuka, Takenori Sakamoto
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Patent number: 11888767Abstract: A transmission device that improves data reception quality includes: a weighting synthesizer that generates a first precoded signal and a second precoded signal from a first baseband signal and a second baseband signal, respectively; a phase changer that applies a phase change of i×?? to the second precoded signal; an inserter that inserts a pilot signal into the second precoded signal applied with the phase change; and a phase changer that applies a phase change to the second precoded signal applied with the phase change and inserted with the pilot signal. ?? satisfies ?/2 radians<??<? radians or ? radians<??<3?/2 radians. Each of the first baseband signal and the second baseband signal is modulated via a modulation scheme of quadrature amplitude modulation (QAM) using non-uniform mapping.Type: GrantFiled: January 27, 2023Date of Patent: January 30, 2024Assignee: PANASONIC INTELLECTUAL PROPERTY CORPORATION OF AMERICAInventors: Yutaka Murakami, Tomohiro Kimura, Mikihiro Ouchi, Hiroyuki Motozuka
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Patent number: 11882606Abstract: This wireless communication terminal device includes a control circuit that: causes, after receiving a beacon from a base station device, a connection to be established between the wireless communication terminal device and the base station device using a first control program; if a connection notification request to an external server was received from one or more application programs, uses a second control program, after the establishment of the connection, to output a connection establishment notification to the one or more application programs; and after the connection establishment notification is received, outputs to a communication circuit, via the first control program, a communication request to the external server device by the one or more application programs. The communication circuit of the wireless communication terminal device transmits the communication request to the base station device.Type: GrantFiled: August 26, 2021Date of Patent: January 23, 2024Assignee: Panasonic Intellectual Property Management Co., Ltd.Inventors: Kosei Nakano, Tomoya Urushihara, Hiroyuki Motozuka, Naganori Shirakata, Koji Takinami, Takenori Sakamoto, Yao Huang Gaius Wee
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Patent number: 11876591Abstract: A reception apparatus includes reception circuitry and decoding circuitry. The reception receives a signal including a legacy header field, an enhanced directional multi-gigabit (EDMG) header field, and a data field. The decoding circuitry decodes data included in the data field of the received signal. The legacy header field includes a Length field comprising multiple bits. The reception apparatus is an EDMG terminal, and a subset of the multiple bits of the Length field included in the legacy header field is used to indicate bandwidth over which the signal is transmitted. Remaining bits of the Length field included in the legacy header field are used to indicate data length of the received signal.Type: GrantFiled: December 22, 2020Date of Patent: January 16, 2024Assignee: Panasonic Intellectual Property Corporation of AmericaInventors: Hiroyuki Motozuka, Naganori Shirakata, Masataka Irie, Takenori Sakamoto
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Patent number: 11863264Abstract: A transmission device includes: a weighting synthesizer that generates a first precoded signal and a second precoded signal; a first pilot inserter that inserts a pilot signal into the first precoded signal; a phase changer that applies a phase change of i×?? to the second precoded signal, where i is a symbol number and an integer that is greater than or equal to 0; an inserter that inserts a pilot signal into the phase-changed second precoded signal; and a phase changer that applies a phase change to the phase-changed and pilot-signal-inserted second precoded signal. ?? satisfies ?/2 radians<??<? radians or ? radians<??<3?/2 radians.Type: GrantFiled: January 17, 2023Date of Patent: January 2, 2024Assignee: PANASONIC INTELLECTUAL PROPERTY CORPORATION OF AMERICAInventors: Yutaka Murakami, Tomohiro Kimura, Mikihiro Ouchi, Hiroyuki Motozuka
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Patent number: 11855717Abstract: An initiator device is provided with a generation circuit for supporting Single User (SU)-Multiple Input Multiple Output (MIMO) operation and generating a first signal including a value that indicates which of a reciprocal MIMO phase and a non-reciprocal MIMO phase is to be applied to SU-MIMO BF training, and a transmission circuit for transmitting the first signal to a responder device. The responder device is provided with a reception circuit for receiving the first signal from the initiator device, and a processing circuit for determining on the basis of the value which of the reciprocal MIMO phase and the non-reciprocal MIMO phase is to be applied to SU-MIMO BF training.Type: GrantFiled: October 14, 2022Date of Patent: December 26, 2023Assignee: PANASONIC INTELLECTUAL PROPERTY CORPORATION OF AMERICAInventors: Lei Huang, Hiroyuki Motozuka, Takenori Sakamoto
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Publication number: 20230388843Abstract: A non-AP/PCP communication apparatus comprises: a receiver which receives a measurement request which is transmitted from an AP/PCP communication apparatus and which requests measurement used in SPSH executability determination; and a transmitter which transmits to the AP/PCP communication apparatus the result of carrying out the measurement on the basis of the measurement request. Using a first period, which is a period in which communication is to be carried out with a first non-AP/PCP communication apparatus, the transmitter and the receiver carry out communication with the first device using a first protocol, and in a second period which is included in the measurement request and in which communication is not carried out with the first device, the receiver carries out measurement of a received signal using the first protocol. The result includes information relating to the measurement of the received signal and information relating to the first protocol.Type: ApplicationFiled: August 10, 2023Publication date: November 30, 2023Inventors: Lei HUANG, Hiroyuki MOTOZUKA, Takenori SAKAMOTO
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Publication number: 20230327830Abstract: A transmission device that improves data reception quality includes: a first pilot inserter that inserts a pilot signal into a first precoded signal; a phase changer that applies a phase change of i×?? to the second precoded signal, where i is a symbol number and an integer that is greater than or equal to 0; an inserter that inserts a pilot signal into the second precoded signal applied with the phase change; and a phase changer that applies a phase change to the second precoded signal applied with the phase change and inserted with the pilot signal. ?? satisfies n/2 radians<??<? radians or ? radians<??<3?/2 radians. When the communications scheme is an OFDM scheme, the phase changer and the phase changer apply a phase change, and when the communications scheme is a single-carrier scheme, do not apply a phase change.Type: ApplicationFiled: June 7, 2023Publication date: October 12, 2023Inventors: Yutaka MURAKAMI, Tomohiro KIMURA, Mikihiro OUCHI, Hiroyuki MOTOZUKA
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Publication number: 20230309088Abstract: A transmitting apparatus generates at least one of a first type of schedule element supporting an allocation involving a single channel and a second type of schedule element supporting an allocation involving a plurality of channels and transmits a MAC frame including the generated at least one schedule element over a first channel. When the allocation involving the plurality of channels includes the first channel, the transmitting apparatus generates a first type of schedule element including information regarding the allocation involving the plurality of channels and generates the second type of schedule element including difference information, and when the allocation involving the plurality of channels does not include the first channel, the transmitting apparatus omits the generation of the first type of schedule element and generates the second type of schedule element including all the information regarding the allocation involving the plurality of channels.Type: ApplicationFiled: May 31, 2023Publication date: September 28, 2023Inventors: Lei HUANG, Hiroyuki MOTOZUKA, Yao Huang Gaius WEE, Takenori SAKAMOTO
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Patent number: 11770730Abstract: A non-AP/PCP communication apparatus comprises: a receiver which receives a measurement request which is transmitted from an AP/PCP communication apparatus and which requests measurement used in SPSH executability determination; and a transmitter which transmits to the AP/PCP communication apparatus the result of carrying out the measurement on the basis of the measurement request. Using a first period, which is a period in which communication is to be carried out with a first non-AP/PCP communication apparatus, the transmitter and the receiver carry out communication with the first device using a first protocol, and in a second period which is included in the measurement request and in which communication is not carried out with the first device, the receiver carries out measurement of a received signal using the first protocol. The result includes information relating to the measurement of the received signal and information relating to the first protocol.Type: GrantFiled: November 15, 2022Date of Patent: September 26, 2023Assignee: Panasonic Intellectual Property Corporation of AmericaInventors: Lei Huang, Hiroyuki Motozuka, Takenori Sakamoto
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Publication number: 20230291512Abstract: A transmission device that improves data reception quality includes: a weighting synthesizer that generates a first precoded signal and a second precoded signal from a first baseband signal and a second baseband signal, respectively; a phase changer that applies a phase change of i x ?? to the second precoded signal; an inserter that inserts a pilot signal into the second precoded signal applied with the phase change; and a phase changer that applies a phase change to the second precoded signal applied with the phase change and inserted with the pilot signal. ?? satisfies ?/2 radians < ?? < ? radians or ? radians < ?? < 3?/2 radians. Each of the first baseband signal and the second baseband signal is modulated via a modulation scheme of quadrature amplitude modulation (QAM) using non-uniform mapping.Type: ApplicationFiled: January 27, 2023Publication date: September 14, 2023Inventors: Yutaka MURAKAMI, Tomohiro KIMURA, Mikihiro OUCHI, Hiroyuki MOTOZUKA
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Publication number: 20230246680Abstract: A communication apparatus includes a PHY frame generating circuit that generates a PHY frame including either of a short Sector Sweep frame and a Sector Sweep frame; and an array antenna that selects, based on the PHY frame, any sector from among a plurality of sectors and transmits the PHY frame. In a case where, in the PHY frame including the short Sector Sweep frame, a Direction field of the short Sector Sweep frame indicates Initiator Sector Sweep, the PHY frame generating circuit replaces a Short Sector Sweep Feedback field indicating a number of a selected best short Sector Sweep with a Short Scrambled Basic Service Set ID field indicating an abbreviated address generated from an address of a destination communication apparatus.Type: ApplicationFiled: April 7, 2023Publication date: August 3, 2023Inventors: Hiroyuki Motozuka, Masataka Irie, Takenori Sakamoto, Naganori Shirakata, Yao Huang Gaius Wee, Michael Hong Cheng Sim, Lei Huang
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Patent number: 11716182Abstract: A transmission device that improves data reception quality includes: a first pilot inserter that inserts a pilot signal into a first precoded signal; a phase changer that applies a phase change of i×?? to the second precoded signal, where i is a symbol number and an integer that is greater than or equal to 0; an inserter that inserts a pilot signal into the second precoded signal applied with the phase change; and a phase changer that applies a phase change to the second precoded signal applied with the phase change and inserted with the pilot signal. ?? satisfies ?/2 radians<??<? radians or ? radians<??<3?/2 radians. When the communications scheme is an OFDM scheme, the phase changer and the phase changer apply a phase change, and when the communications scheme is a single-carrier scheme, do not apply a phase change.Type: GrantFiled: February 9, 2021Date of Patent: August 1, 2023Assignee: PANANSONIC INTELLECTUAL PROPERTY CORPORATION OF AMERICAInventors: Yutaka Murakami, Tomohiro Kimura, Mikihiro Ouchi, Hiroyuki Motozuka
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Patent number: 11706755Abstract: A transmitting apparatus generates at least one of a first type of schedule element supporting an allocation involving a single channel and a second type of schedule element supporting an allocation involving a plurality of channels and transmits a MAC frame including the generated at least one schedule element over a first channel. When the allocation involving the plurality of channels includes the first channel, the transmitting apparatus generates a first type of schedule element including information regarding the allocation involving the plurality of channels and generates the second type of schedule element including difference information, and when the allocation involving the plurality of channels does not include the first channel, the transmitting apparatus omits the generation of the first type of schedule element and generates the second type of schedule element including all the information regarding the allocation involving the plurality of channels.Type: GrantFiled: January 25, 2022Date of Patent: July 18, 2023Assignee: Panasonic Intellectual Property Corporation of AmericaInventors: Lei Huang, Hiroyuki Motozuka, Yao Huang Gaius Wee, Takenori Sakamoto
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Patent number: 11700159Abstract: In a transmission device, a signal processing circuit generates an aggregate physical layer convergence protocol data unit (A-PPDU) by adding a guard interval to each of a first part of a first physical layer convergence protocol data unit (PPDU) transmitted over each of a first through L?th channel of a predetermined channel bandwidth, where L is an integer of 2 or greater, a second part of the first PPDU transmitted over each of an (L+1)?th through P?th channel, which is a variable channel bandwidth that is N times the predetermined channel bandwidth, where N is an integer of 2 or greater and P is an integer of L+1 or greater, and a second PPDU transmitted over the (L+1)?th through P?th channel. A wireless circuit transmits the A-PPDU.Type: GrantFiled: October 7, 2021Date of Patent: July 11, 2023Assignee: Panasonic Intellectual Property Corporation of AmericaInventors: Takenori Sakamoto, Hiroyuki Motozuka, Masataka Irie
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Publication number: 20230208499Abstract: A non-personal basic service set control point/access point (non-PCP/AP) communication apparatus includes a reception circuit, an estimation circuit, and a transmission circuit. The reception circuit receives a Directional Multi-Gigabit (DMG) Beacon frame including a sector sweep (SSW) field, the SSW field including a Parameter subfield indicating a value obtained by using a transmission Equivalent Isotropic Radiated Power (EIRP) of a PCP/AP communication partner apparatus and a reception antenna gain of the PCP/AP communication partner apparatus. The estimation circuit estimates an expected reception power at the PCP/AP communication partner apparatus by using the value of the Parameter subfield, and checks inequality between the estimated expected reception power and a receiver sensitivity value. The transmission circuit transmits a frame for Association Beamforming Training (A-BFT) if the estimated expected reception power is larger than the receive sensitivity value.Type: ApplicationFiled: February 17, 2023Publication date: June 29, 2023Inventors: Yao Huang Gaius Wee, Hiroyuki Motozuka, Lei Huang, Tomoya Urushihara, Masataka Irie