Patent application number | Description | Published |
20090233645 | Base Station Device and Base Station Device Installation Error Detection Method - In a base station device ( | 09-17-2009 |
20090271680 | COMMUNICATION SYSTEM, COMMUNICATION DEVICE, AND DATA FRAME RETRANSMISSION CONTROL METHOD - A mobile station device ( | 10-29-2009 |
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 |
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 |
20100178926 | COMMUNICATION METHOD AND COMMUNICATION SYSTEM - Present invention provides a communication method and a communication system that can provide more detailed communication control, larger transmission capacity, and more flexible resource distribution to users in comparison with a communication method using a conventional frame format. | 07-15-2010 |
20110022919 | Wireless Communication System, Wireless Communication Device and Wireless Communication Method - One object of the present invention is to improve stability of wireless communication by effectively requesting retransmission of data to a wireless communication device, which is a data transmission source, by switching ARQ and HARQ if an error has been detected in received data. | 01-27-2011 |
20110026481 | WIRELESS COMMUNICATION METHOD AND WIRELESS COMMUNICATION SYSTEM - One object of the present inventions is to improve efficiency and stability of wireless communication by performing carrier sense in advance at appropriate timing and completing a switching process of an anchor channel within a short time period. In the wireless communication system | 02-03-2011 |
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 |
20110287768 | WIRELESS COMMUNICATION SYSTEM, MOBILE STATION, BASE STATION, AND WIRELESS COMMUNICATION METHOD - One object of the present invention is to improve stability of wireless communication, regardless of a movement speed of a mobile station by estimating a movement speed of a mobile station using a signal prepared in advance for a used standard and selecting an appropriate base station. In the wireless communication system | 11-24-2011 |
20120295651 | ADAPTIVE ARRAY BASE STATION AND COMMUNICATION METHOD FOR ADAPTIVE ARRAY BASE STATION - To transmit at least a part of control information by adaptive array control, an adaptive array base station ( | 11-22-2012 |
20130132786 | COMMUNICATION SYSTEM, COMMUNICATION DEVICE, AND DATA FRAME RETRANSMISSION CONTROL METHOD - A mobile station device configured to communicate with a base station device by a time division duplex (TDD) scheme, and to transmit retransmission data to the base station device by an automatic retransmission scheme in response to reception acknowledgement information transmitted from the base station device, the mobile station device including a controller configured to determine a number of frames from a reception of the reception acknowledgement information to a transmission of the retransmission data, based on a position of a reception slot within a reception frame, the reception slot including the reception acknowledgement information. | 05-23-2013 |