Patent application number | Description | Published |
20090303945 | Mobile Communication System, Base Station Device, Mobile Station Device, and Mobile Communication Method - A base station device ( | 12-10-2009 |
20090303948 | Communication System, Base Station, and Communication Method - In a communication system of the OFDMA communication method, even when transmission data is decreased temporarily and then increased again while communication by a user terminal is in progress, the communication can be continued without lowering the communication throughput of the user terminal and the throughput corresponding to QoS can be provided to the user terminal. The OFDMA communication system for performing data communication using one or more subchannels between a base station ( | 12-10-2009 |
20090303949 | OFDMA Communication System and Communication Method - There is provided an OFDMA communication system capable of suppressing the communication resource reduction and reducing the processing load on a base station. The system includes a downlink frame generation unit ( | 12-10-2009 |
20100020754 | OFDMA Communication System and Communication Method - There is provided an OFDMA communication system capable of suppressing the communication resource reduction and reducing the processing load on a base station. The system includes a downlink frame generation unit ( | 01-28-2010 |
20100034154 | Communication System, Base Station, and Communication Method - In a communication system of the OFDMA communication method, even when transmission data is decreased temporarily and then increased again while communication by a user terminal is in progress, the communication can be continued without lowering the communication throughput of the user terminal and the throughput corresponding to QoS can be provided to the user terminal. The OFDMA communication system for performing data communication using one or more subchannels between a base station ( | 02-11-2010 |
20100067458 | OFDMA Communication System and Communication Method - There is provided an OFDMA communication system capable of suppressing the communication resource reduction and reducing the processing load on a base station. The system includes a downlink frame generation unit ( | 03-18-2010 |
20100074197 | COMMUNICATION SYSTEM, BASE STATION, TERMINAL, AND COMMUNICATION METHOD - A multiservice is implemented by connecting one base station and one terminal via one wireless link. | 03-25-2010 |
20100097962 | Communication Control Method, Base Station Device, Terminal Device, and Communication Control System Using TDD-OFDMA Communication Method - In a communication system and a communication method using a TDD-OFDMA communication method, inter-carrier interference due to delay dispersion is prevented by suppressing the delay time within a guard interval. | 04-22-2010 |
20100111037 | Communication System, Base Station and Mobile Station Used in the Communication System, and Base Station Switching Method - There are provided an OFDMA communication system capable of reducing a time necessary for a handover without releasing a wireless communication with a base station as a handover source to search base stations, a base station and a mobile station used in the communication system, and a base station switching method. | 05-06-2010 |
20110051599 | Radio Communication System, Base Station Device, Radio Communication Terminal, and Radio Communication Method - A wireless communication system which performs packet communication in a time division multiplexing communication format between wireless communication devices using either one or a plurality of communication channels includes: a resend request unit which detects that a received packet contains an error and requests a resend; a resend request detection unit which detects the request for a resend; a packet resend unit which resends the packet in accordance with the request for a resend detected by the resend request detection unit; and a channel allocation unit which allocates a different communication channel for the packet resend unit to resend the packet from the communication channel which was used for sending the packet in which the error detected by the resend request unit was contained. | 03-03-2011 |
20120135275 | MAGNETIC MEMORY INCLUDING MEMORY CELLS INCORPORATING DATA RECORDING LAYER WITH PERPENDICULAR MAGNETIC ANISOTROPY FILM - A magnetic memory includes: a magnetization fixed layer having perpendicular magnetic anisotropy, a magnetization direction of the magnetization fixed layer being fixed; an interlayer dielectric; an underlayer formed on upper faces of the magnetization fixed layer and the interlayer dielectric; and a data recording layer formed on an upper face of the underlayer and having perpendicular magnetic anisotropy. The underlayer includes: a first magnetic underlayer; and a non-magnetic underlayer formed on the first magnetic underlayer. The first magnetic underlayer is formed with such a thickness that the first magnetic underlayer does not exhibit in-plane magnetic anisotropy in a portion of the first magnetic underlayer formed on the interlayer dielectric. | 05-31-2012 |