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Motoshi Tamura

Researcher at NTT DoCoMo

Publications -  15
Citations -  630

Motoshi Tamura is an academic researcher from NTT DoCoMo. The author has contributed to research in topics: Mobile station & Public land mobile network. The author has an hindex of 8, co-authored 15 publications receiving 630 citations.

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Patent

Method and system for mobile communications

TL;DR: In this article, the authors proposed a mobile communications system for transmission of various sorts of data in accordance with the development of multimedia in which the network and the mobile station mutually notify encipherment-onset time and negotiate about encipherments manner with each other.
Patent

Base station apparatus of mobile communication system

TL;DR: In this article, a base station including a transmitting and receiving amplifier for amplifying CDMA signals exchanged with a mobile station, a radio stage connected to the transmitting and receive amplifier for carrying out D/A conversion of a transmitted signal that undergoes baseband spreading, followed by quadrature modulation, and for detecting a received signal, then A/D conversion, and a transmission interface connected with the baseband signal processor for implementing interface with external channels.
Patent

Mobile communication method and mobile communication system

TL;DR: In this article, the authors proposed an authentication scheme for paging by temporary mobile user identifiers (TMUI) and random numbers (S8-S10) in a mobile communication system.
Patent

Packet communications network

TL;DR: In this paper, the authors define a communication hold mode for a user when the traffic volume of the user's transmission or reception of a packet per fixed time period is less than a predetermined value.
Patent

System and method for short-cell multiplex atm transmission

TL;DR: In this paper, the authors proposed a short-cell multiplex for transmitting short data (basically, data of 48 bytes, but data of 96 bytes are also transmittable) generally shorter than the payload of a standard ATM cell through an ATM network.