| Patent application number | Description | Published |
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| 20090316631 | MOBILE COMMUNICATION SYSTEM, BASE STATION APPARATUS AND MOBILE STATION APPARATUS - To prevent a collision from occurring at the time of random access in cases such as handover, response to paging and the like where a mobile station apparatus performs random access in response to directions from a base station apparatus. In a mobile communication system in which a mobile station apparatus | 12-24-2009 |
| 20090316641 | BASE STATION DEVICE, MOBILE STATION DEVICE, PROGRAM, UPLINK SYNCHRONIZATION REQUESTING METHOD, AND SYNCHRONIZATION-SHIFT MEASUREMENT SIGNAL TRANSMITTING METHOD - A base station device includes: a re-synchronization factor detector that detects an uplink re-synchronization factor of a mobile station device; a data controller that generates, when the re-synchronization factor detector detects the uplink re-synchronization factor, data in which information indicative of an uplink synchronization request addressed to the mobile station device is set to a region on a radio frame to which parameters to be used for synchronous communication with the mobile station device are to be set; and a transmitter that transmits data generated by the data controller. | 12-24-2009 |
| 20090316642 | BASE STATION DEVICE, MOBILE STATION DEVICE, PROGRAM, UPLINK SYNCHRONIZATION REQUESTING METHOD, AND SYNCHRONIZATION-SHIFT MEASUREMENT SIGNAL TRANSMITTING METHOD - A base station device includes: a re-synchronization factor detector that detects an uplink re-synchronization factor of a mobile station device; a data controller that generates, when the re-synchronization factor detector detects the uplink re-synchronization factor, data in which information indicative of an uplink synchronization request addressed to the mobile station device is set to a region on a radio frame to which parameters to be used for synchronous communication with the mobile station device are to be set; and a transmitter that transmits data generated by the data controller. | 12-24-2009 |
| 20100016005 | COMMUNICATION TERMINAL APPARATUS, COMMUNICATION CONTROL APPARATUS, WIRELESS COMMUNICATION SYSTEMS, AND RESOURCE ALLOCATION REQUEST METHOD - A communication terminal apparatus requests resource allocation to a communication control apparatus without allocating any dedicated resource for resource request. The communication terminal apparatus is applied to a wireless communication system in which the communication control apparatus allocates resources used when a communication terminal apparatus | 01-21-2010 |
| 20100075689 | MOBILE COMMUNICATION SYSTEM, BASE STATION APPARATUS, AND MOBILE STATION APPARATUS - To improve throughput of the whole system while reducing power consumption. In a mobile communication system comprising a mobile station apparatus and a base station apparatus, the base station apparatus creates an interference information table based on channel quality of an uplink channel, and at the same time, transmitting the interference information indicator table to the mobile station apparatus, and the mobile station apparatus determines a state of interference in an uplink frequency band based on the interference information indicator table, determines a frequency band of a measurement pilot channel, which is a pilot channel used to determine received quality, and make a request to the base station apparatus for a transmission resource. For example, the mobile station apparatus determines a frequency band with lowest interference among the uplink frequency bands as a frequency band of the measurement pilot channel. | 03-25-2010 |
| 20100080181 | BASE STATION DEVICE, MOBILE STATION DEVICE, PROGRAM, UPLINK SYNCHRONIZATION REQUESTING METHOD, AND SYNCHRONIZATION-SHIFT MEASUREMENT SIGNAL TRANSMITTING METHOD - A base station device includes: a re-synchronization factor detector that detects an uplink re-synchronization factor of a mobile station device; a data controller that generates, when the re-synchronization factor detector detects the uplink re-synchronization factor, data in which information indicative of an uplink synchronization request addressed to the mobile station device is set to a region on a radio frame to which parameters to be used for synchronous communication with the mobile station device are to be set; and a transmitter that transmits data generated by the data controller. | 04-01-2010 |
| 20110136528 | COMMUNICATION TERMINAL APPARATUS, COMMUNICATION CONTROL APPARATUS, WIRELESS COMMUNICATION SYSTEM, AND RESOURCE ALLOCATION REQUEST METHOD - A communication terminal apparatus requests resource allocation to a communication control apparatus without allocating any dedicated resource for resource request. The communication terminal apparatus is applied to a wireless communication system in which the communication control apparatus allocates resources used when a communication terminal apparatus | 06-09-2011 |
| 20110194432 | COMMUNICATION SYSTEM, BASE STATION APPARATUS AND MOBILE STATION APPARATUS - A base station apparatus detects an uplink radio error and recovers the uplink. In a communication system comprised of a base station apparatus and a mobile station apparatus, when the base station apparatus instructs the mobile station apparatus to execute contention based random access, the base station apparatus and the mobile station apparatus release uplink synchronization, while when the base station apparatus instructs the mobile station apparatus to execute non-contention based random access, the base station apparatus and the mobile station apparatus maintain uplink synchronization. | 08-11-2011 |
| Patent application number | Description | Published |
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| 20090201865 | METHOD FOR CONNECTING MOBILE STATION TO BASE STATION, MOBILE STATION, BASE STATION, MULTI-CARRIER MOBILE COMMUNICATION SYSTEM, AND RANDOM ACCESS CHANNEL MAPPING METHOD - As a random access channel (RACH), two types of RACHs, a synchronous RACH and an asynchronous RACH are prepared, condition of a mobile station is classified depending on whether there is temporal synchronization in the mobile station and whether a resource is allocated, and depending on each case, any one of the synchronous RACH/the asynchronous RACH/uplink shared control channel (USCCH) is adaptively selected to carry out connection processing. | 08-13-2009 |
| 20090232243 | WIRELESS TRANSMITTING APPARATUS, WIRELESS RECEIVING APPARATUS, WIRELESS COMMUNICATION SYSTEM, WIRELESS TRANSMITTING METHOD AND WIRELESS RECEIVING METHOD - To enable shared control information to be demodulated without requiring advance information on a MIMO block or non-MIMO block prior to demodulation of the shared control information of the block, and further enable the shared control information to be demodulated early. A wireless transmitting apparatus which performs wireless transmission in MIMO or non-MIMO for each radio frame comprised of a block or a plurality of blocks, and has mapping sections ( | 09-17-2009 |
| 20090316633 | RADIO COMMUNICATION SYSTEM, BASE STATION DEVICE AND MOBILE STATION DEVICE - With communication service considered, it is an object to provide a communication system in which power consumption of a mobile station device is suppressed. This mobile communication system includes a base station device and a mobile station device, wherein the base station device includes a scheduling portion that carries out scheduling to determine a downlink CQI effective period scheduled by using the downlink CQI as a downlink effective period, start the downlink effective period after a lapse of a given period from downlink CQI transmission timing, and allow the mobile station device to transmit control information and user data only during the downlink effective period. | 12-24-2009 |
