Patent application number | Description | Published |
20090010211 | BASE STATION APPARATUS AND RESOURCE ASSIGNING METHOD - A base station apparatus that selects an optimum MCS level so as to improve system throughput. In this base station apparatus, a terminal rank detecting part ( | 01-08-2009 |
20090052392 | RETRANSMISSION CONTROL METHOD, BASE STATION AND MOBILE STATION - A base station, a mobile station and a retransmission control method for enabling communication to be more efficiently performed. In a communication system comprising a base station ( | 02-26-2009 |
20090080372 | BASE STATION DEVICE, AND MOBILE STATION DEVICE - Provided are a base station device and a mobile station device, which can lighten a cell-search processing. The base station device ( | 03-26-2009 |
20090080547 | BASE STATION APPARATUS AND MOBILE STATION APPARATUS - A base station apparatus that transmits frames in accordance with a communication format, and a mobile station apparatus that uses the frames to determine the communication format of the base station apparatus, and then performs an adaptive cell search in accordance with the determined communication format. The base station apparatus ( | 03-26-2009 |
20090088212 | RADIO BASE STATION APPARATUS - Even when terminals having different bandwidths require different amounts of BCH information, a radio base station apparatus in a scalable bandwidth system can transmit the BCH information required by the terminals. A base station ( | 04-02-2009 |
20090135802 | SCALABLE BANDWIDTH SYSTEM, RADIO BASE STATION APPARATUS, SYNCHRONOUS CHANNEL TRANSMITTING METHOD AND TRANSMISSION METHOD - A scalable bandwidth system wherein even if a terminal does not know the breakdowns of the services in all of the bandwidths, it can perform a correlation processing of synchronous channels (SCH). A base station repetitively transmits a synchronous channel, by unit of the shortest bandwidth (e.g., 1.25 MHz) of a plurality of bandwidths served by the system, over the whole band of the longest bandwidth (e.g., 5 MHz). The terminal calculates the correlation between a synchronous channel sequence signal of the unit of the shortest bandwidth held in advance and the repetitively transmitted synchronous channel, and determines, as a frame timing, a timing at which the maximum correlation value is obtained. | 05-28-2009 |
20090136037 | BASE STATION DEVICE AND MOBILE STATION DEVICE - There are provided a base station device transmitting a frame capable of performing cell search without being affected by arrangement of a pilot channel and a mobile station device performing cell search by using the frame. In the base station device ( | 05-28-2009 |
20090147757 | BASE STATION DEVICE AND MOBILE STATION DEVICE - There are provided a base station device and a mobile station device for increasing the speed of cell search by introducing identification of TTI timing into the cell search. In the base station device ( | 06-11-2009 |
20090181669 | RADIO BASE STATION APPARATUS - A radio base station apparatus having an improved cell search performance in a scalable bandwidth system. A base station ( | 07-16-2009 |
20090185550 | RADIO BASE STATION APPARATUS - A radio base station apparatus having an improved cell search performance in a scalable bandwidth system. A base station ( | 07-23-2009 |
20090285174 | COMMUNICATION TERMINAL APPARATUS, CONTROL STATION, AND MULTICARRIER COMMUNICATION METHOD - A communication terminal apparatus wherein a base station apparatus uses only subcarriers, which provide good propagation circumstance for the communication terminal apparatus, to transmit data, thereby improving the transmission efficiency of the whole system and wherein the frequency scheduling is performed in view of whether the user exists in a handover area, thereby providing a site diversity effect and hence improving the reception quality and the throughput. In this apparatus, a cell-# | 11-19-2009 |
20090303941 | SCALABLE BANDWIDTH SYSTEM, RADIO BASE STATION APPARATUS AND RADIO TERMINAL APPARATUS - A scalable bandwidth system wherein even when various terminals having different bandwidth capabilities are existent in a cell, the unbalance of traffic in the maximum bandwidth can be reduced. Terminals ( | 12-10-2009 |
20100008402 | TRANSMITTER AND SYNCHRONIZATION CHANNEL FORMING METHOD - Reduction in the detection accuracy of synchronization timing at the receiving end is prevented even if a GCL system changes in response to a GCL ID. A transmitter ( | 01-14-2010 |
20100157884 | BASE STATION DEVICE AND MOBILE STATION DEVICE - A base station device and a mobile station device both enabling improvement of the reception quality of transmission data at a mobile station by preventing a sequence for establishing synchronism and the transmission data from interfering with each other. In the base station device ( | 06-24-2010 |
20110170509 | BASE STATION DEVICE, AND MOBILE STATION DEVICE - Provided are a base station device and a mobile station device, which can lighten a cell-search processing. The base station device ( | 07-14-2011 |
20110255504 | TRANSMITTING APPARATUS AND METHOD - A communication device which can reduce amount of control information, limit interference with other traffics, and prevent an increase in current consumption. In this device, a separation unit ( | 10-20-2011 |
20120164958 | TRANSMITTING APPARATUS AND METHOD - A communication device which can reduce amount of control information, limit interference with other traffics, and prevent an increase in current consumption. In this device, a separation unit separates radio resource allocation information, specific section information and transmission parameter information from a received signal. A specific section information control unit selects a sub-carrier designated by the specific section information to allocate data to be transmitted to the own unit. A channel quality measuring unit uses a pilot signal to measure the channel quality of the selected sub-carrier. A channel quality information creating unit creates channel quality information indicating the measurement results input from the channel quality measuring unit. A multiplexing unit multiplexes the transmission signal with the channel quality information. | 06-28-2012 |
20130070820 | TRANSMITTING APPARATUS AND METHOD - A communication device which can reduce amount of control information, limit interference with other traffics, and prevent an increase in current consumption. In this device, a separation unit separates radio resource allocation information, specific section information and transmission parameter information from a received signal. A specific section information control unit selects a sub-carrier designated by the specific section information to allocate data to be transmitted to the own unit. A channel quality measuring unit uses a pilot signal to measure the channel quality of the selected sub-carrier. A channel quality information creating unit creates channel quality information indicating the measurement results input from the channel quality measuring unit. A multiplexing unit multiplexes the transmission signal with the channel quality information. | 03-21-2013 |