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Assignee: NTT DoCoMo, Inc.


Location: Chiyoda-ku, JP
No. of applications: 384

1                    
Application No.Application TitleIssue Date
20120108197RADIO BASE STATION AND METHOD
A radio base station in a first mobile communication system is disclosed. The radio base station includes a radio communication unit; a network communication unit; and a determining unit. If a massage received by the network communication unit from a switching station i...
05/03/2012
20120106630IMAGE ENCODING APPARATUS, IMAGE DECODING APPARATUS, IMAGE ENCODING METHOD, IMAGE DECODING METHOD, IMAGE ENCODING PROGRAM, AND IMAGE DECODING PROGRAM
A variable-length encoder that feeds a Coded Block Pattern (CBP) as an input symbol to variable-length code output part. Coded symbol memory supplies CBPs in neighboring blocks as coding map table reference information to coding map table provider. Coding map table prov...
05/03/2012
20120072971DATA SHARING SYSTEM, SHARED DATA MANAGEMENT APARATUS, AND CONTROL METHOD OF SHARED DATA MANAGEMENT APPARATUS
The traffic amount of the radio communication is reduced and the load applied to the management side of the system is reduced, thereby making the data shared with only prescribed users in an efficient manner. There is provided a shared data management apparatus, for man...
03/22/2012
20120050127REFLECT ARRAY
A reflectarray, including: a substrate; and a plurality of patches formed on each of areas into which a principal surface of the substrate is divided, wherein the plurality of patches are formed by including a gap....
03/01/2012
20120049985MULTIMODE FRONTEND CIRCUIT
A multimode frontend circuit of the present invention comprises two transmission paths. Each of the transmission paths comprises two input/output lines, a first transmission line having one end connected to one of the input/output lines and the other end connected to th...
03/01/2012
20120046001ANTENNA EQUIPMENT
An antenna equipment includes an array antenna including a plurality of antenna elements configured to be grouped into at least one group according to each of N communication types, where N is an integer greater than or equal to 2, a selecting part selecting one of the ...
02/23/2012
20120034947TRANSMISSION POWER CONTROL SYSTEM, BASE STATION, AND TRANSMISSION POWER CONTROL METHOD
A transmission power determination system configured to control a transmission power of a radio signal transmitted by a small base station in a mobile communication network including a general base station forming a predetermined cell and the small base station forming ...
02/09/2012
20120032751VARIABLE IMPEDANCE MATCHING CIRCUIT
A variable impedance matching circuit includes a series or parallel connection of a fixed inductive element and a first variable capacitive element and a second variable capacitive element connected in series with the serial or parallel connection. The susceptance of th...
02/09/2012
20120026956RADIO COMMUNICATION SYSTEM, CENTRALIZED STATION, CONTROL STATION APPARATUS, RADIO BASE STATION AND COORDINATED TRANSMISSION METHOD
The radio communication system of the present invention is provided with a cluster pattern determining section 61 that determines the assignment of each cluster pattern to each cluster so as to suppress inter-cluster interference with other neighboring clusters l...
02/02/2012
20120026955RADIO COMMUNICATION APPARATUS AND RADIO COMMUNICATION METHOD
A radio communication apparatus and radio communication method are provided which coordinates a plurality of radio base station apparatuses in consideration of interference cancelling capability of mobile terminal apparatuses, and can thereby improve the throughput of t...
02/02/2012
20110283291MOBILE DEVICE AND APPLICATION SWITCHING METHOD
An object is to switch executions of applications appropriately from one to another when a plurality of applications use a limited resource. A mobile device (1) is provided with an execution state shift unit (61) for shifting an execution state between a m...
11/17/2011
20110275337DIVERSITY RECEIVER AND METHOD FOR CONTROLLING DIVERSITY RECEIVING OPERATION
Power consumption is reduced in a diversity receiver. A diversity receiver (10) comprises a condition determination circuit (26) determining whether a predefined condition is satisfied; and a control circuit (28) suspending diversity reception if th...
11/10/2011
20120005288MOBILE TERMINAL, MAIL RETURN METHOD, AND SERVER
The present invention can reduce anxiety or discomfort of a sender of a mail, even when a user of a mobile terminal having received the mail is unaware of being in a state that sending a reply mail is impossible. A mobile terminal according to the present invention incl...
01/05/2012
20110319087MOBILE COMMUNICATION METHOD, RADIO BASE STATION, RADIO NETWORK CONTROLLER, AND EXCHANGE STATION
A mobile communication method according to the present invention includes step A of notifying, by a radio base station NodeB01, a radio network controller RNC01 of location information of the radio base station NodeB (location code: bbb), step B of notifyi...
12/29/2011
20110317658MOBILE COMMUNICATION SYSTEM, NETWORK DEVICE, AND MOBILE COMMUNICATION METHOD
A mobile communication system having a first communication system and a second communication system forwards forwarding data from the first communication system to the second communication system when switching from the first communication system to the second communica...
12/29/2011
20110317604NETWORK APPARATUS
A network apparatus having a plurality of call control cards, comprising: a selection unit configured to select at least one call control card from among the plurality of call control cards, when the number of connected calls controlled by the whole of the plurality of ...
12/29/2011
20110316652MULTIBAND RESONATOR AND MULTIBAND-PASS FILTER
An multiband resonator of the present invention includes a dielectric substrate including three or more dielectric layers, a ground conductor, a main-line conductor, a sub-line conductor, a sub open stub, a main open stub, a short-circuit conductor, a main through condu...
12/29/2011
20110312313MOBILE COMMUNICATION SYSTEM, RADIO NETWORK CONTROLLER AND METHOD
A radio network controller connected to multiple exchanges in a mobile communication system includes an exchange side interface configured to communicate with the multiple exchanges, a mobile station side interface configured to receive a call connection signal from a m...
12/22/2011
20110306308RADIO NETWORK CONTROLLER AND COMMUNICATION CONTROL METHOD
A radio network controller 300 includes an RLC reset detection unit configured to detect a transmission disabling event during which transmission of data units to the mobile station via the radio link control layer is disabled, a list acquisition unit 309 ...
12/15/2011
20110255439RADIO COMMUNICATION CONTROL APPARATUS AND RADIO COMMUNICATION CONTROL METHOD
To provide a radio communication control apparatus and a radio communication control method capable of controlling simultaneous transmission and reception so as not to degrade system throughput.

A simultaneous transmission and reception con...

10/20/2011
20110242977RADIO COMMUNICATION SYSTEM, RADIO NETWORK CONTROLLER, RADIO BASE STATION AND RADIO COMMUNICATION METHOD
A radio network controller activates a signal transmission suppression timer to suppress transmission of a congestion signal, when a new radio base station is added as a radio base station with which the radio terminal is to communicate, and suspends the transmission of...
10/06/2011
20110239073COMMUNICATION DEVICE AND COMMUNICATION METHOD
In a case where the F-RTO algorithm is simply combined with the exponential backoff algorithm which is being suppressed, there is a problem in that one a spurious timeout occurs, the spurious timeout continuously occurs since then. In order to solve the above problem, a...
09/29/2011
20110237293TELEPHONE AND METHOD OF CONTROLLING CALL INITIATION THEREIN
A mobile phone 10 includes an input section 18 that receives a call initiation instruction for a call with another mobile phone M, a speaker 14 that outputs sound from another mobile phone M at the time of the call, a detection section 20 tha...
09/29/2011
20110235740SIGNAL GENERATION DEVICE AND SIGNAL GENERATION METHOD
Disclosed is a signal generation device that employs a transmission method using inverse Fourier transform. The signal generation device includes: a modulation unit which modulates transmission data to obtain modulation data; a serial-parallel conversion unit which conv...
09/29/2011
20110216094DISPLAY DEVICE AND SCREEN DISPLAY METHOD
It is intended to enable enlarging or reducing a screen with a simple operation. A mobile phone 1 includes a touch panel 11 that displays a screen and receives a predetermined input, a detection unit 12 that detects a start point and an end point of...
09/08/2011
20110215886MULTIROLE CIRCUIT ELEMENT CAPABLE OF OPERATING AS VARIABLE RESONATOR OR TRANSMISSION LINE AND VARIABLE FILTER INCORPORATING THE SAME
A variable resonator includes a first transmission line 101, a second transmission line 102 and a plurality of switch circuits 150. The electrical length of the first transmission line 101 is equal to the electrical length of the second trans...
09/08/2011
20110210906APPARATUS HAVING MUSHROOM STRUCTURES
An apparatus having multiple mushroom structures is disclosed. Each of the multiple mushroom structures includes: a ground plate; a first patch provided parallel to the ground plate with a separation of a distance to the ground plate; and a second patch provided paralle...
09/01/2011
20110210905APPARATUS HAVING MUSHROOM STRUCTURES
An apparatus having multiple mushroom structures is disclosed. Each of the multiple mushroom structures includes: a ground plate; a patch provided parallel to the ground plate with a separation of a distance to the ground plate, wherein a distance between a ground plate...
09/01/2011
20110210904APPARATUS HAVING MUSHROOM STRUCTURES
An apparatus having multiple mushroom structures is disclosed. Each of the multiple mushroom structures including: a ground plate; a first patch provided parallel to the ground plate with a separation of a distance to the ground plate; and a second patch provided parall...
09/01/2011
20110115574VARIABLE RESONATOR AND VARIABLE FILTER
A switch is replaced with a parallel resonant circuit 4. More specifically, a variable resonator includes a line part 1 that includes one or more lines and has an annular shape, at least two parallel resonant circuits 4 capable of changing a charact...
05/19/2011
20110080230BIAS CIRCUIT
A bias circuit includes: a bias supply terminal 800; a parallel capacitor 3 connected at one end thereof to the bias supply terminal 800 and grounded at the other end thereof; and a parallel circuit 3L connected in parallel with the parallel ...
04/07/2011
20110065437MOBILE STATION AND METHOD OF RECONNECTION PROCESS
There is provided a mobile station that minimizes a pause or a silent period during communication at the time of a reconnection process of communication, thereby to improve the user's convenience and achieve the reduction in the load applied onto the communication netwo...
03/17/2011
20100323628BUILDING INFLUENCE ESTIMATION APPARATUS AND BUILDING INFLUENCE ESTIMATION METHOD
Appropriate and easy estimation is achieved for influence of a building on a mobile communication terminal. A building influence estimation apparatus 10 to estimate influence of a building on a mobile communication terminal 20 has: a reception information ...
12/23/2010
20100317366INDOOR/OUTDOOR DECISION APPARATUS AND INDOOR/OUTDOOR DECISION METHOD
An appropriate indoor/outdoor decision is made for a mobile communication terminal in accordance with a purpose of selection of a positioning method or the like. A positioning server 10 is an indoor/outdoor decision apparatus for making an indoor/outdoor decision...
12/16/2010
20100272211RADIO COMMUNICATION APPARATUS AND METHOD
A disclosed radio communication method includes precoding modulated information signal sequences to calculate transmit weight information, setting initial transmit power based on prior information including the calculated transmit weight information, generating an objec...
10/28/2010
20100271969COMMUNICATION METHOD AND COMMUNICATION TERMINAL FOR RADIO COMMUNICATION SYSTEM
A communication method for a radio communication system employing an enhanced uplink scheme includes the steps of determining a transmission power control bit for controlling transmission power of a downlink control channel; generating an uplink control signal including...
10/28/2010
20100267413COMMUNICATION TERMINAL AND METHOD FOR USE IN RADIO COMMUNICATION SYSTEM
A disclosed communication terminal includes a determination unit analyzing a received downlink control signal and determining an allowable maximum uplink transmission power level, a measurement unit performing different frequency measurement in a transmission gap period...
10/21/2010
20100248761RADIO COMMUNICATION APPARATUS, RADIO COMMUNICATION SYSTEM, AND RADIO COMMUNICATION METHOD
A radio communication apparatus includes a characteristic data extraction unit receiving a radio signal from one or more radio stations and calculating characteristic data representing a waveform characteristic indicating statistical properties of the received signal; a...
09/30/2010
20100248638RADIO COMMUNICATIONS SYSTEM AND RADIO COMMUNICATIONS METHOD
A radio communications system including a network connecting radio station and a counterparty radio station is disclosed, the network connecting radio station being a radio station connected to a network and the counterparty radio station being in radio communications w...
09/30/2010
20100241860KEY-UPDATING METHOD, ENCRYPTION PROCESSING METHOD, KEY-INSULATED CRYPTOSYSTEM AND TERMINAL DEVICE
In a key-insulated cryptosystem according to the present invention, a plurality of external devices are associated with a number of updates of a terminal secret key which has already been updated, and a different piece of secret information is stored in each of the exte...
09/23/2010
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