Ntt Docomo, Inc.

Ntt Mobile Communications Network, Inc.

Nippon Sheet Glass Company, Limited

Mobile Communications Network Inc.

Ichiro Okajima

Hideaki Takahashi

Narumi Umeda

Koji Omae

Masahiro Inoue

Takehiro Ikeda

Motonari Kobayashi

Akihiro Maebara

Tomohiro Nagata

Katsumi Kobayashi

Noriko Uchida

Yuki Oyabu

Toshihiro Suzuki

Hiroshi Kawakami

Manhee Jo

Daisuke Ochi

Masayuki Terada

Shoichi Hirata

Koji Sasada

Takuya Shinozaki

Yasushi Yamao

Shinji Uebayashi

Shinichi Mori

Hiroyuki Hattori

Tadao Takami

Kazuo Sugiyama

Yoshifumi Suzuki

Akitoshi Miyazaki

Kazuo Yamada

Hideki Watanabe

Yasuhiro Kato

Hiroyuki Kawai

Atsushi Murase

Masumi Sotoyama

Chie Noda

Kimio Ikeda

Sadanori Aoyagi

Azusa Wada

Takayasu Yamaguchi

Masumi Kitagawa

Ryoichi Kobayashi

A number-of-terminals estimation device has a unit to acquire location data; a unit to acquire location acquisition time information of second location data immediately preceding the first location data and third location data immediately following the first location data, from location data including the same identification information; a unit to calculate a feature amount of the first location data, based on at least two of the location acquisition time information of the first to third location data; a unit to acquire observation target location data including location acquisition time information after an observation start time and before an observation end time and including location information corresponding to observation area information; and a unit to estimate the number of terminals located in the observation area during the observation period, based on feature amounts of the observation target location data and the length of the observation period.

Number of terminal estimation device and number of terminal estimation method

A statistical information generation system includes a condition input section, an extracting section that extracts unidentifiable location data and unidentifiable attribute data, a magnification factor adding section that adds a magnification factor to the unidentifiable attribute data, a statistics section that calculates statistical data by using the unidentifiable location data, the unidentifiable attribute data, and the magnification factor, a counting section that counts the unidentifiable location data, a determining section that determines a magnitude of the number of pieces of data, and an output section that hides the statistical data to output the statistical data.

Statistical information generation system and statistical information generation method

A position information aggregation device includes a position information receiving unit receives position information related to the positions of a plurality of mobile communication terminals together with a user ID specifying a user of the terminal corresponding to each position information and an address code of the user, an acquisition rate calculating unit that calculates a position information acquisition rate of each address code of the plurality of terminals using population statistics data and position information of each narrow area in a predetermined broad area, and an aggregating unit that aggregates a population distribution in a certain area by extracting the position information corresponding to the certain area based on the position information received by the position information receiving unit and aggregating the position information in which the position information acquisition rate corresponding to the address code included in the position information is reflected.

Position information aggregation device and position information aggregation method

A terminal number estimation device includes a first location information acquisition unit containing a terminal ID and an area ID identifying a location area of a mobile terminal, a second location information acquisition unit that acquires second location information containing a terminal ID and coordinate information of the mobile terminal, a correspondence information generation unit that generates correspondence information based on the area ID and the coordinate information using the first and the second location information, an area information acquisition unit that acquires area information containing an area ID and area range information about an area range of an area identified by the area ID, an in-area terminal number acquisition unit that acquires the number of in-area mobile terminals, and a terminal number correction unit that corrects the number of terminals based on the correspondence information and the area information.

Terminal number estimation device and terminal number estimation method

A mobile station, a communication system, and a communication method that are capable of efficiently collecting location information of any user. A communicating module receives a positioning request including attribute specifying information from a management center, a determining module determines whether measurements of the location are necessary or not based on the attribute specifying information in the received positioning request and the attribute information stored in advance. Then, when the determining module determines that measurements of the location are necessary, a positioning module performs measurements of the location and sends location information thus measured to the management center. Accordingly, it is possible to collect the location information of the mobile station that agrees with an attribute that the management center desires and therefore, it is possible to provide an attentive service and the like based on the location information.

Mobile station, communication system, and communication method for collecting location information of a mobile station

A communication system aimed at easily and quickly collecting data regarding macroscopic population distribution, and easily and quickly obtaining survey results. An RNC of a communication system includes a signal-counting module that counts the number of signals indicating a quantity of signals transmitted and received between a mobile station and a BTS. An information analysis device includes a population distribution calculation module that calculates population distribution based on the number of the signals that the signal-counting module counts, and an output module that outputs the population distribution that the population distribution calculation module calculates.

Communication system, information analysis device, and information analysis method

A household member number distribution estimation apparatus of the present invention includes a subscriber information acquisition unit that acquires subscriber information that is information regarding subscribers of mobile terminals of a specific carrier in a region within a predetermined range and with which user IDs and main line numbers of the mobile terminals are associated, a household terminal number extraction unit that, by referring to the subscriber information, extracts the number of household terminals that is the number of the mobile terminals for each main line number, a household number extraction unit that extracts the number of households per number of terminals, and a household number estimation unit that, by using a terminal subscription rate in the region within the predetermined range to correct the number of households per number of terminals, estimates the number of households per number of household members that is the number of households for each of the number of household members constituting a household. Thus, the household member number distribution estimation apparatus enables to obtain the number of households for each of the number of household members with high accuracy on the basis of easily obtainable data.

Household member number distribution estimation apparatus and household member number distribution estimation method

Provided is a mesh data creation method allowing appropriate expression of population densities while making a balance between accuracy and granularity. In the mesh data creation method, when the number of samples in a region of reference mesh data with a predetermined size is not less than a threshold, divided mesh data is created by dividing the region of the reference mesh data. Namely, each portion with a high population density can be expressed by a fine region of mesh data and each portion with a low population density by a coarse region of mesh data. The above makes it feasible to prevent meshes from becoming too fine to ensure accuracy or, conversely, from becoming too coarse to maintain granularity, thereby resulting in failing to achieve a detailed grasp of population densities, and thus to achieve appropriate expression of population densities while making a balance between accuracy and granularity.

Mesh data creation method

In a location identifying method, the sight of users of mobile communication terminals is estimated by calculating directions of the users based on position information of the mobile communication terminals, and the location where the lines of sight of the users are concentrated is identified based on the estimated sight. By identifying a location where the lines of sight of the users of the mobile communication terminals are concentrated, it is possible to identify an installation location where high advertising effectiveness can be achieved. Moreover, since only acquisition of the position information of the mobile communication terminals is needed, it is possible to efficiently identify an installation location of an advertisement, etc. Therefore, it is possible to efficiently identify an installation location of an advertisement or a billboard where high advertising effectiveness can be achieved.

Location identifying method and location identifying device

For easily and quickly collecting data regarding macroscopic population distribution, and easily and quickly obtaining the survey results, an RNC includes: a location registration signal receiver that receives location registration signals, and a signal number counting module that counts the number of the location registration signals for each sector, and an information analyzing apparatus includes: a population distribution calculation module that calculates population distribution information based on the number of the location registration signals; and an output module that outputs the population distribution information.

Communication system, information analyzing apparatus and information analyzing method

A data join system of the present invention includes a table determination unitselecting a record b as a join target if a value of a key item included in a record a acquired by a data write unit from a table A falls within a first predetermined range set based on a value of a key item included in the record b stored in a table B, a data join unit joining the selected record b with the record a to generate a record c, and a data write unit storing the record c into a table C. Thus, the success rate of data join can be improved while the accuracy of join of the record b and the record a to be joined is improved.

Data combination system and data combination method

A controller apparatus, when it receives packets addressed to a mobile terminal, implements paging control in which it transmits a paging notification packet to a paging area of the mobile terminal, so as to obtain location information on the mobile terminal and to determine a forwarding destination of the packets. The controller apparatus includes a paging area forming unit having a plurality of algorithms for forming the paging area. The paging area forming unit is configured to form the paging area of the mobile terminal by an algorithm specified by the mobile terminal.

Control apparatus and mobile terminal

In a packet communications system, a control apparatus implements routing control of a received packet directed for the mobile terminal. The mobile terminal includes a plurality of network interface cards; a communication manager configured to select at least one network interface card among from the plurality of network interface cards, in accordance with information regarding the network interface card; and an upper layer manager configured to receive the packet transmitted from the control apparatus, with using a selected network interface card.

Mobile terminal, control apparatus, home agent and packet communications method

Growing community of inventors

Yokohama, Japan

Ichiro Okajima