Patents by Inventor Shinichi Mori
Shinichi Mori 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: 7545790Abstract: In mobile communication systems employing the CDMA method, the communication quality is acquired from the CDMA pilot channel. A communication quality acquisition apparatus comprises a delay profile acquisition unit comprising a control unit, synchronization unit and measurement unit, in addition to a data storage unit. The communication quality is measured by the synchronization unit and the measurement unit which are alternatively controlled by the control unit. When the communication quality is acquired through the CDMA pilot channel, the data acquisition efficiency can be significantly raised.Type: GrantFiled: August 24, 2004Date of Patent: June 9, 2009Assignee: NTT DoCoMo, Inc.Inventors: Shinichi Mori, Tetsuro Imai, Yoshihiro Ishikawa, Mikio Iwamura
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Patent number: 7483713Abstract: A base station is disclosed. The base station includes: a service area status determination unit configured to determine status of a service area of the base station based on received signals from mobile stations; a total transmission power determination unit configured to determine status of total transmission power of the base station based on total transmission power of surrounding base stations; a transmission power determination unit configured to determine transmission power of a common control channel of the base station based on the status of the service area and the status of the total transmission power; and a transmission power setting unit configured to set the transmission power determined by the transmission power determination unit.Type: GrantFiled: November 2, 2005Date of Patent: January 27, 2009Assignee: NTT DoCoMo, Inc.Inventors: Shinichi Mori, Ichiro Okajima, Narumi Umeda
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Publication number: 20080056177Abstract: A communication control device is provided which efficiently utilizes wireless resources to improve communication quality and system throughput by appropriately setting and performing node transmission power.Type: ApplicationFiled: August 30, 2007Publication date: March 6, 2008Applicant: NTT DoCoMo, Inc.Inventors: Shinichi MORI, Tomoyuki Ooya, Takatoshi Sugiyama
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Patent number: 7333529Abstract: In order to perform synchronization detection with high speed, high precision and high reliability and to measure communication quality (propagation characteristics) at high precision and high efficiency, a mobile station (202) includes synchronization detecting portion (221) for detecting synchronization chip timing of channel to be measured, a synchronization chip timing information portion accumulating information of detected synchronization chip timing, a correlation detecting portion (222) deriving a correlation value between spreading code of the channel to be measured and a received signal for performing communication with a base station and measurement of communication quality with taking the detected synchronization chip timing as a reception chip timing, a time series generating portion (223) for generating a time series data of received signal vector after correlation detection, and a communication quality calculating portion (224) for calculating communication quality from generated time series daType: GrantFiled: May 27, 2005Date of Patent: February 19, 2008Assignee: NTT DoCoMo, Inc.Inventors: Tetsuro Imai, Shinichi Mori
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Publication number: 20080032684Abstract: A radio communication control device includes a radio parameter update determination portion, a transmission power value change portion and a radio parameter update portion. The radio parameter update determination portion determines whether or not to update a radio parameter relating to at least one of a communication frequency and transmission power to a new radio parameter. The transmission power value change portion performs a transmission power change process to change a transmission power value during data transmission to a radio communication station to a smaller value in stages at predetermined intervals when the radio parameter update determination portion determines to update the radio parameter to the new radio parameter. A radio parameter update portion updates the radio parameter to the new radio parameter when the transmission power value change portion changes the transmission power value to a preset lower limit or less.Type: ApplicationFiled: August 2, 2007Publication date: February 7, 2008Applicant: NTT DoCoMo, Inc.Inventors: Kengo Yagyu, Akira Ishii, Shinichi Mori, Takatoshi Sugiyama, Tomoyuki Ohya
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Publication number: 20070249344Abstract: A base station that communicates with a mobile station includes: a storing unit for storing a predetermined number of base station information, each including a base station ID for discriminating a specific base station and parameter information for radio communications set for the specific base station; an acquisition unit for acquiring a base station ID of other base stations forming a destination cell of the mobile station, or a base station ID of other base station forming a source cell of the mobile station; an aggregating unit for aggregating the number of times that each of the base station IDs is acquired in a first time period; a determination unit for determining a priority of each of the base station IDs on the basis of the aggregated results of the acquisition numbers; a judging unit for judging whether or not there is a base station ID which has a priority higher than the base station ID stored in the storage, and whose acquisition number is larger than a predetermined number of times; and a manaType: ApplicationFiled: April 20, 2007Publication date: October 25, 2007Applicant: NTT DoCoMo, Inc.Inventors: Hiroyuki Hosono, Shinichi Mori, Takatoshi Sugiyama
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Publication number: 20070232313Abstract: Disclosed is a radio base station including: a common control channel transmission unit configured to transmit a common control channel by using radio communications parameter to be assigned to each radio base station; a transmission level determination unit configured to transmit the common control channel according to a predetermined transmission pattern; a reception level supervision unit configured to acquire a reception level of the common control channel received by a mobile station; and an overlap determination unit configured to determine whether or not the predetermined radio communications parameter overlaps with a radio communications parameter used in a different radio base station based on the reception level acquired by the reception level supervision unit and the predetermined transmission pattern.Type: ApplicationFiled: April 3, 2007Publication date: October 4, 2007Applicant: NTT DoCoMo, Inc.Inventors: Hiroyuki Hosono, Shinichi Mori, Takatoshi Sugiyama
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Publication number: 20070218914Abstract: A wireless communications system is disclosed. The wireless communications system includes a base station unit that is provided in a predetermined area and that is configured to perform wireless communications with at least one mobile station; and at least one measurement unit that is provided in the predetermined area and that is configured to communicate with the base station unit. The measurement unit includes: a unit configured to receive at least a common control channel transmitted from the base station unit; a unit configured to measure a wireless channel status; and a unit configured to report a measurement result to the base station unit. In the wireless communications system, the base station unit adjusts a downlink wireless parameter according to the measurement result reported from the measurement unit.Type: ApplicationFiled: March 16, 2007Publication date: September 20, 2007Applicant: NTT DoCoMo, Inc.Inventors: Shinichi Mori, Tomoyuki Ohya, Takatoshi Sugiyama
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Publication number: 20070093267Abstract: To automatically set up temporarily the parameters required for radio communication, based on the parameters acquired from another base station apparatus existing in the neighborhood. A pair of base station identifier and down scrambling code reported from a base station apparatus in the neighborhood is acquired. The non-overlapping down scrambling code is set to a newly established base station apparatus based on the acquired contents. Whether or not the base station apparatus is located in the neighborhood is judged according to at least one of the Hop number and the required arrival time on a communication path up to the base station apparatus.Type: ApplicationFiled: September 7, 2006Publication date: April 26, 2007Applicant: NTT DoCoMo, Inc.Inventors: Hiroyuki Hosono, Shinichi Mori, Takatoshi Sugiyama
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Publication number: 20070093268Abstract: To provide a base station apparatus that can automatically update the parameters required for radio communication. A pair of identifier for identifying the self station and radio communication parameter is notified to another base station existing in the neighborhood of the self station, and the path loss value between another base station and a mobile station and the pair of identifier and radio communication parameter for another base station is acquired. The pair of identifier and radio communication parameter reported by the self station is set and updated, based on this acquired information. Since it is updated in consideration of the path loss value reported from the mobile station, the parameter can be updated at higher precision.Type: ApplicationFiled: October 12, 2006Publication date: April 26, 2007Applicant: NTT DoCoMo, Inc.Inventors: Hiroyuki Hosono, Shinichi Mori, Takatoshi Sugiyama
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Patent number: 7188648Abstract: A tire/wheel assembly comprising a wheel having a rim, a pneumatic tire fitted to the rim and a run-flat support member. The pneumatic tire includes a cavity, and the run-flat support member is disposed in the cavity of the pneumatic tire. The run-flat support member includes an annular shell and elastic rings. The annular shell has a support surface located radially outward and two leg portions formed radially inward. The elastic rings support the leg portions on the rim. The leg portions of the annular shell are detachably attached to the elastic rings.Type: GrantFiled: August 19, 2003Date of Patent: March 13, 2007Assignee: The Yokohama Rubber Co., Ltd.Inventors: Shinichi Mori, Mitsuo Kurebayashi
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Publication number: 20070051446Abstract: A tire/wheel assembly comprising a wheel having a rim, a pneumatic tire fitted to the rim and a run-flat support member. The pneumatic tire includes a cavity, and the run-flat support member is disposed in the cavity of the pneumatic tire. The run-flat support member includes an annular shell and elastic rings. The annular shell has a support surface located radially outward and two leg portions formed radially inward. The elastic rings support the leg portions on the rim. The leg portions of the annular shell are detachably attached to the elastic rings.Type: ApplicationFiled: November 2, 2006Publication date: March 8, 2007Inventors: Shinichi Mori, Mitsuo Kurebayashi
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Publication number: 20070017621Abstract: An auxiliary member, made of metal or synthetic resin, is disposed between each rim seat of the rim of a wheel and at least a bead base portion of each of the beads of a pneumatic tire fitted to the rim seats.Type: ApplicationFiled: September 27, 2006Publication date: January 25, 2007Inventor: Shinichi Mori
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Publication number: 20070021151Abstract: A wireless control apparatus is disclosed that forms and controls an area of a base station according to an antenna pattern. The wireless control apparatus includes an area formation information gathering part that gathers area formation information pertaining to area formation of a neighboring base station; and an antenna pattern control part that controls and directs at least one of a main lobe, a side lobe, and a null point between the main lobe and the side lobe of the antenna pattern based on the area formation information to reduce frequency interference between a current cell formed by a current base station and a neighboring cell formed by the neighboring base station.Type: ApplicationFiled: July 24, 2006Publication date: January 25, 2007Applicant: NTT DoCoMo, Inc.Inventors: Shinichi Mori, Narumi Umeda, Takatoshi Sugiyama
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Patent number: 7167268Abstract: An image processing apparatus according to the present invention includes a receiving section which receives image data over the Internet and temporarily storing it, a printing section which prints the temporarily stored image data, a category defining section which defines categories of volume of image data by means of threshold values, an output destination specifying section which specifies the destination of output of the temporarily stored image data from a plurality of output sections, including the printing section, by referring to the categories defined by the category defining section, a judging section which determines the category of the image data as defined by the category defining section, and a processing section which processes the image data in accordance with the output section for the category as determined by the judging section.Type: GrantFiled: October 30, 2002Date of Patent: January 23, 2007Assignees: Kabushiki Kaisha Toshiba, Toshiba Tec Kabushiki KaishaInventor: Shinichi Mori
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Patent number: 7150302Abstract: A tire bead core has an annular body formed by annularly winding and bundling one bead wire in the form of a quadrangle in cross section which has two pairs of opposing sides substantially parallel to each other. The annular body comprises a plurality of winding portions radially stacked, each of which comprises sections of the bead wire annularly wound so as to align in a widthwise direction of the bead core. A winding portion of the annular body located radially outward is displaced to one side of the widthwise direction with respect to a winding portion of the annular body located radially inward.Type: GrantFiled: January 18, 2005Date of Patent: December 19, 2006Assignee: The Yokohama Rubber Co., Ltd.Inventor: Shinichi Mori
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Patent number: 7149548Abstract: An antenna apparatus is installed in a base station in a code division multiple access communication system. The antenna apparatus comprises a plurality of antenna elements, each receiving a radio signal; a controller that produces an antenna control signal based on information contained in the radio signal received at each of the antenna elements; an adjusting unit that adjusts directivity characteristics of each of the antenna elements based on the antenna control signal; and an allocating unit that allocates the antenna elements to sectors based on the antenna control signal. The sector covers a portion of a cell controlled by the base station, and the number of sectors in the cell is variable by means of the antenna control signal.Type: GrantFiled: February 13, 2003Date of Patent: December 12, 2006Assignee: NTT DoCoMo, Inc.Inventors: Shinichi Mori, Tetsuro Imai
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Publication number: 20060157181Abstract: A tire bead core has an annular body formed by annularly winding and bundling one bead wire in the form of a quadrangle in cross section which has two pairs of opposing sides substantially parallel to each other. The annular body comprises a plurality of winding portions radially stacked, each of which comprises sections of the bead wire annularly wound so as to align in a widthwise direction of the bead core. A winding portion of the annular body located radially outward is displaced to one side of the widthwise direction with respect to a winding portion of the annular body located radially inward.Type: ApplicationFiled: January 18, 2005Publication date: July 20, 2006Inventor: Shinichi Mori
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Publication number: 20060121907Abstract: A base station and a scrambling code setting method of automatically setting up a scrambling code for the base station to use are offered. The base station includes: a scrambling code setting unit for setting up a base station identifier and a provisional downlink scrambling code that is provisionally assigned; and a transmitting unit for spectrum-spreading the base station identifier by the provisional scrambling code, and for transmitting the base station identifier; wherein the scrambling code setting unit assigns a lasting downlink scrambling code based on a report concerning reception of the base station identifier.Type: ApplicationFiled: November 10, 2005Publication date: June 8, 2006Applicant: NTT DoCoMo, Inc.Inventors: Shinichi Mori, Ichiro Okajima, Narumi Umeda
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Publication number: 20060111137Abstract: A base station is disclosed. The base station includes: a service area status determination unit configured to determine status of a service area of the base station based on received signals from mobile stations; a total transmission power determination unit configured to determine status of total transmission power of the base station based on total transmission power of surrounding base stations; a transmission power determination unit configured to determine transmission power of a common control channel of the base station based on the status of the service area and the status of the total transmission power; and a transmission power setting unit configured to set the transmission power determined by the transmission power determination unit.Type: ApplicationFiled: November 2, 2005Publication date: May 25, 2006Applicant: NTT DoCoMo, Inc.Inventors: Shinichi Mori, Ichiro Okajima, Narumi Umeda