Patents by Inventor Hiroshi Katsuragawa
Hiroshi Katsuragawa 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: 11206567Abstract: A MS transmits, to a BS, uplink data (UD) on a PUSCH, PUSCH being assigned by using a PDCCH. The MS receives on PDCCH, an indication instructing the MS to transmit reception quality information (RQI) without UD on PUSCH, and transmits on PUSCH, to the BS, RQI without UD based on the indication which is received on PDCCH. The indication is specified based on values to which a plurality of fields of information transmitted on PDCCH are set. One of the plurality of fields is a field used for instructing the MS to transmit RQI and another is a field used for indicating a redundancy version. For instructing the MS to transmit RQI without UD on PUSCH, the field used for instructing the MS to transmit RQI is set to a first single predetermined value (SPV) and the field used for indicating the redundancy version is set to a second SPV.Type: GrantFiled: April 13, 2020Date of Patent: December 21, 2021Assignee: SHARP KABUSHIKI KAISHAInventors: Tatsushi Aiba, Shohei Yamada, Hiroshi Katsuragawa
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Publication number: 20200245177Abstract: A MS transmits, to a BS, uplink data (UD) on a PUSCH, PUSCH being assigned by using a PDCCH. The MS receives on PDCCH, an indication instructing the MS to transmit reception quality information (RQI) without UD on PUSCH, and transmits on PUSCH, to the BS, RQI without UD based on the indication which is received on PDCCH. The indication is specified based on values to which a plurality of fields of information transmitted on PDCCH are set. One of the plurality of fields is a field used for instructing the MS to transmit RQI and another is a field used for indicating a redundancy version. For instructing the MS to transmit RQI without UD on PUSCH, the field used for instructing the MS to transmit RQI is set to a first single predetermined value (SPV) and the field used for indicating the redundancy version is set to a second SPV.Type: ApplicationFiled: April 13, 2020Publication date: July 30, 2020Applicant: SHARP KABUSHIKI KAISHAInventors: Tatsushi AIBA, Shohei YAMADA, Hiroshi KATSURAGAWA
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Patent number: 10667163Abstract: A MS transmits, to a BS, uplink data (UD) on a PUSCH, PUSCH being assigned by using a PDCCH. The MS receives on PDCCH, an indication instructing the MS to transmit reception quality information (RQI) without UD on PUSCH, and transmits on PUSCH, to the BS, RQI without UD based on the indication which is received on PDCCH. The indication is specified based on values to which a plurality of fields of information transmitted on PDCCH are set. One of the plurality of fields is a field used for instructing the MS to transmit RQI and another is a field used for indicating a redundancy version. For instructing the MS to transmit RQI without UD on PUSCH, the field used for instructing the MS to transmit RQI is set to a first single predetermined value (SPV) and the field used for indicating the redundancy version is set to a second SPV.Type: GrantFiled: April 9, 2019Date of Patent: May 26, 2020Assignee: SHARP KABUSHIKI KAISHAInventors: Tatsushi Aiba, Shohei Yamada, Hiroshi Katsuragawa
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Patent number: 10462798Abstract: To optimize transmission periods corresponding to kinds of feedback information, and minimize a reduction in system throughput caused by disagreement of the transmission period with the optimal period, by setting transmission frequencies individually with flexibility corresponding to the kinds of feedback information for a mobile station apparatus to transmit to a base station apparatus, in a wireless communication system in which a mobile station apparatus B measures reception quality of a signal received from a base station apparatus A, and transmits feedback information generated based on the reception quality to the base station apparatus A, the base station apparatus A allocates resources of transmission timing corresponding to the kinds of feedback information, and the mobile station apparatus B transmits a plurality of kinds of feedback information to the base station apparatus using the allocated resources.Type: GrantFiled: April 19, 2011Date of Patent: October 29, 2019Assignee: HUAWEI TECHNOLOGIES CO., LTD.Inventors: Yosuke Akimoto, Tatsushi Aiba, Shohei Yamada, Hiroshi Katsuragawa
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Publication number: 20190239107Abstract: A MS transmits, to a BS, uplink data (UD) on a PUSCH, PUSCH being assigned by using a PDCCH. The MS receives on PDCCH, an indication instructing the MS to transmit reception quality information (RQI) without UD on PUSCH, and transmits on PUSCH, to the BS, RQI without UD based on the indication which is received on PDCCH. The indication is specified based on values to which a plurality of fields of information transmitted on PDCCH are set. One of the plurality of fields is a field used for instructing the MS to transmit RQI and another is a field used for indicating a redundancy version. For instructing the MS to transmit RQI without UD on PUSCH, the field used for instructing the MS to transmit RQI is set to a first single predetermined value (SPV) and the field used for indicating the redundancy version is set to a second SPV.Type: ApplicationFiled: April 9, 2019Publication date: August 1, 2019Applicant: SHARP KABUSHIKI KAISHAInventors: Tatsushi AIBA, Shohei YAMADA, Hiroshi KATSURAGAWA
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Patent number: 10299153Abstract: A MS transmits, to a BS, uplink data (UD) on a PUSCH, PUSCH being assigned by using a PDCCH. The MS receives on PDCCH, an indication instructing the MS to transmit reception quality information (RQI) without UD on PUSCH, and transmits on PUSCH, to the BS, RQI without UD based on the indication which is received on PDCCH. The indication is specified based on values to which a plurality of fields of information transmitted on PDCCH are set. One of the plurality of fields is a field used for instructing the MS to transmit RQI and another is a field used for indicating a redundancy version. For instructing the MS to transmit RQI without UD on PUSCH, the field used for instructing the MS to transmit RQI is set to a first single predetermined value (SPV) and the field used for indicating the redundancy version is set to a second SPV.Type: GrantFiled: January 25, 2018Date of Patent: May 21, 2019Assignee: SHARP KABUSHIKI KAISHAInventors: Tatsushi Aiba, Shohei Yamada, Hiroshi Katsuragawa
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Publication number: 20180152859Abstract: A MS transmits, to a BS, uplink data (UD) on a PUSCH, PUSCH being assigned by using a PDCCH. The MS receives on PDCCH, an indication instructing the MS to transmit reception quality information (RQI) without UD on PUSCH, and transmits on PUSCH, to the BS, RQI without UD based on the indication which is received on PDCCH. The indication is specified based on values to which a plurality of fields of information transmitted on PDCCH are set. One of the plurality of fields is a field used for instructing the MS to transmit RQI and another is a field used for indicating a redundancy version. For instructing the MS to transmit RQI without UD on PUSCH, the field used for instructing the MS to transmit RQI is set to a first single predetermined value (SPV) and the field used for indicating the redundancy version is set to a second SPV.Type: ApplicationFiled: January 25, 2018Publication date: May 31, 2018Applicant: SHARP KABUSHIKI KAISHAInventors: Tatsushi AIBA, Shohei YAMADA, Hiroshi Katsuragawa
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Patent number: 9913160Abstract: A MS transmits, to a BS, uplink data (UD) on a PUSCH, PUSCH being assigned by using a PDCCH. The MS receives on PDCCH, an indication instructing the MS to transmit reception quality information (RQI) without UD on PUSCH, and transmits on PUSCH, to the BS, RQI without UD based on the indication which is received on PDCCH. The indication is specified based on values to which a plurality of fields of information transmitted on PDCCH are set. One of the plurality of fields is a field used for instructing the MS to transmit RQI and another is a field used for indicating a redundancy version. For instructing the MS to transmit RQI without UD on PUSCH, the field used for instructing the MS to transmit RQI is set to a first single predetermined value (SPV) and the field used for indicating the redundancy version is set to a second SPV.Type: GrantFiled: February 4, 2016Date of Patent: March 6, 2018Assignee: SHARP KABUSHIKI KAISHAInventors: Tatsushi Aiba, Shohei Yamada, Hiroshi Katsuragawa
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Publication number: 20170223545Abstract: Provided are a communication terminal device with which a user can easily recognize restriction contents when access is restricted, and a control method therefor. A communication terminal device configured to control access restriction according to access restriction information received includes: a restriction determination unit configured to determine whether or not access restriction is valid; and a control unit configured to, in a case that it is determined that the access restriction is valid, emphasize only a display of a service permitted to be used under the access restriction. This enables the user to easily recognize restriction contents when access is restricted.Type: ApplicationFiled: August 1, 2014Publication date: August 3, 2017Applicant: SHARP KABUSHIKI KAISHAInventors: Yoshitaka SUZUKI, Masafumi ARAMOTO, Hiroshi KATSURAGAWA, Natsuki YUASA, Hiroyuki KATATA
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Patent number: 9681460Abstract: An apparatus for signal processing includes a scheduling unit and a transmitting unit. The scheduling unit is configured to assign one physical uplink control channel resource for transmissions of first group feedback information and second group feedback information. A first periodicity corresponds to the first group feedback information and a second periodicity corresponds to the second group feedback information. The transmitting unit is configured to transmit a transmission parameter of the first periodicity and the second periodicity and information of the assigned physical uplink control channel resource. The first group feedback information includes a transmission of reception quality information and transmission signal precoding information and the second group feedback information includes a transmission of transmission signal sequence information.Type: GrantFiled: December 5, 2013Date of Patent: June 13, 2017Assignee: Huawei Technologies Co., Ltd.Inventors: Yosuke Akimoto, Tatsushi Aiba, Shohei Yamada, Hiroshi Katsuragawa
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Patent number: 9414302Abstract: In a mobile communication system including a plurality of RATs (Radio Access Technologies), the necessity of a control channel for notifying RAT information is eliminated, and the lack of capacity of the control channel can be avoided. In a mobile station 30 communicating with base stations employing the different RATs by employing the respective RATs, when the mobile station executes procedures for registration to an LTE (Long-term evolution) base station 10-2 which allows access to only registered mobile stations that are registered in advance, the mobile station obtains, from a HSS (Home Subscriber Server) 40 tied to the LTE base station 10-2, information of another base station that performs communication by employing the RAT different from that used by the LTE base station 10-2.Type: GrantFiled: June 26, 2012Date of Patent: August 9, 2016Assignee: Sharp Kabushiki KaishaInventor: Hiroshi Katsuragawa
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Patent number: 9408091Abstract: Without introducing a complicated ad hoc network system, a transmission/reception signal of a mobile station apparatus is relayed using a communication protocol and a wireless access method defined in a current LTE standard. In a wireless relay communication system including a base station apparatus (12a), a mobile station apparatus (10a), and a wireless station apparatus (11a), the wireless station apparatus (11a) receives a mode switching control signal to switching a mode either to a mobile station apparatus mode in which the wireless station apparatus communicates as one mobile station apparatus (10a) with the base station apparatus (12a) or to a relay station apparatus mode in which the wireless station apparatus relays communication between the base station apparatus (12a) and the mobile station apparatus (10a).Type: GrantFiled: June 5, 2012Date of Patent: August 2, 2016Assignee: SHARP KABUSHIKI KAISHAInventors: Wahoh Oh, Hiroshi Katsuragawa
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Publication number: 20160157121Abstract: A MS transmits, to a BS, uplink data (UD) on a PUSCH, PUSCH being assigned by using a PDCCH. The MS receives on PDCCH, an indication instructing the MS to transmit reception quality information (RQI) without UD on PUSCH, and transmits on PUSCH, to the BS, RQI without UD based on the indication which is received on PDCCH. The indication is specified based on values to which a plurality of fields of information transmitted on PDCCH are set. One of the plurality of fields is a field used for instructing the MS to transmit RQI and another is a field used for indicating a redundancy version. For instructing the MS to transmit RQI without UD on PUSCH, the field used for instructing the MS to transmit RQI is set to a first single predetermined value (SPV) and the field used for indicating the redundancy version is set to a second SPV.Type: ApplicationFiled: February 4, 2016Publication date: June 2, 2016Applicant: SHARP KABUSHIKI KAISHAInventors: Tatsushi AIBA, Shohei YAMADA, Hiroshi KATSURAGAWA
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Patent number: 9288030Abstract: A mobile communication system in which a mobile station apparatus transmits reception quality information to a base station apparatus, the reception quality information indicating quality of a signal received from the base station apparatus, characterized in that the base station apparatus transmits information for instructing transmission of reception quality information without uplink data included in an uplink data transmission permission signal, and the mobile station apparatus transmits reception quality information without the uplink data according to the information for instructing transmission of reception quality information without uplink data.Type: GrantFiled: May 17, 2012Date of Patent: March 15, 2016Assignee: SHARP KABUSHIKI KAISHAInventors: Tatsushi Aiba, Shohei Yamada, Hiroshi Katsuragawa
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Patent number: 9264202Abstract: A mobile communication system in which a mobile station apparatus transmits reception quality information to a base station apparatus, the reception quality information indicating quality of a signal received from the base station apparatus, characterized in that the base station apparatus transmits information for instructing transmission of reception quality information without uplink data included in an uplink data transmission permission signal, and the mobile station apparatus transmits reception quality information without uplink data according to the information for instructing transmission of reception quality information without uplink data.Type: GrantFiled: August 31, 2009Date of Patent: February 16, 2016Assignee: SHARP KABUSHIKI KAISHAInventors: Tatsushi Aiba, Shohei Yamada, Hiroshi Katsuragawa
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Patent number: 9237500Abstract: A user registers a desired mobile station at a desired HNB (Home Node B) in a simple operation. A CSG (Closed Subscriber Group) type base station restricts an access from a mobile station that has not been registered yet.Type: GrantFiled: June 26, 2012Date of Patent: January 12, 2016Assignee: SHARP KABUSHIKI KAISHAInventor: Hiroshi Katsuragawa
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Patent number: 9173125Abstract: A mobile station (MS) that transmits uplink data on a PUSCH, the PUSCH being assigned by using a PDCCH. The MS receives a radio resource control signal including first information instructing the MS apparatus to periodically transmit first reception quality information (RQI) and receives, on the PDCCH, second information instructing the MS to transmit second RQI on the PUSCH. The MS transmits only the second RQI on the PUSCH in a case that the transmission of the first RQI which is instructed by using the first information and the transmission of the second RQI which is instructed by using the second information would occur at the same time, where the second RQI is transmitted together with the uplink data on the PUSCH and an amount of resources for the second RQI is determined based on a size of the PUSCH assigned by using the PDCCH.Type: GrantFiled: October 29, 2014Date of Patent: October 27, 2015Assignee: SHARP KABUSHIKI KAISHAInventors: Tatsushi Aiba, Shohei Yamada, Hiroshi Katsuragawa
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Patent number: 9106390Abstract: A base station apparatus in a mobile communication system in which a mobile station apparatus transmits, to the base station apparatus, uplink data using a physical uplink shared channel assigned by an uplink data transmission permission signal. The base station apparatus includes a transmitting unit which is configured to transmit, to the mobile station apparatus, the uplink data transmission permission signal including first information for permitting the mobile station apparatus to transmit reception quality information together with the uplink data, wherein the transmitting unit which is configured to transmit, to the mobile station apparatus, the uplink data transmission permission signal including second information for permitting the mobile station apparatus to transmit the reception quality information without the uplink data.Type: GrantFiled: September 14, 2012Date of Patent: August 11, 2015Assignee: SHARP KABUSHIKI KAISHAInventors: Tatsushi Aiba, Shohei Yamada, Hiroshi Katsuragawa
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Publication number: 20150063264Abstract: A mobile station (MS) that transmits uplink data on a PUSCH, the PUSCH being assigned by using a PDCCH. The MS receives a radio resource control signal including first information instructing the MS apparatus to periodically transmit first reception quality information (RQI) and receives, on the PDCCH, second information instructing the MS to transmit second RQI on the PUSCH. The MS transmits only the second RQI on the PUSCH in a case that the transmission of the first RQI which is instructed by using the first information and the transmission of the second RQI which is instructed by using the second information would occur at the same time, where the second RQI is transmitted together with the uplink data on the PUSCH and an amount of resources for the second RQI is determined based on a size of the PUSCH assigned by using the PDCCH.Type: ApplicationFiled: October 29, 2014Publication date: March 5, 2015Applicant: SHARP KABUSHIKI KAISHAInventors: Tatsushi AIBA, Shohei YAMADA, Hiroshi KATSURAGAWA
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Patent number: 8923238Abstract: A mobile station (MS) transmits, to a base station (BS), uplink data on a PUSCH, the PUSCH is assigned by using a PDCCH. The MS receives, from the BS, a radio resource control signal including first information instructing the MS to periodically transmit first reception quality information (RQI), the radio resource control signal including second information for determining an amount of resources for second RQI transmitted on the PUSCH, and third information instructing the MS to transmit the second RQI on the PUSCH; and transmits, to the BS, only the second RQI on the PUSCH in a case that the transmission of the first RQI which is instructed by using the first information and the transmission of the second RQI which is instructed by using the third information would occur at the same time, wherein the amount of resources for the second RQI is determined based on the second information.Type: GrantFiled: March 18, 2014Date of Patent: December 30, 2014Assignee: Sharp Kabushiki KaishaInventors: Tatsushi Aiba, Shohei Yamada, Hiroshi Katsuragawa