Patent application number | Description | Published |
20080200178 | METHOD FOR TRANSMITTING DATA AND CELLULAR SYSTEM USING THE SAME - A cellular system where, in each of a plurality of cells, a base station transmits the same data to a plurality of mobile stations at a predetermined transmission rate, comprises an adjusting portion for adjusting a resource used for data transmission to make a resource consumption level equal to a predetermined threshold when the resource consumption level in the cell exceeds the predetermined threshold due to the data transmission, and a transmitting portion for performing the data transmission by using the adjusted resource. | 08-21-2008 |
20080240215 | RESPONSE PROBABILITY CALCULATING DEVICE AND METHOD, AND BASE STATION CONTROL DEVICE AND COMMUNICATION SYSTEM USING THE SAME - There is provided a response probability calculating method for use in a communication system in which a response probability is sent from a communication network to a plurality of terminals, and the terminals report terminal information to the communication network according to the response probability, including a step of selecting a first calculation formula for monotonously increasing the response probability or a second calculation formula for calculating the response probability using the response probability sent at the previous time and the previous number of responses in accordance with the number of responses from the terminals, and a step of calculating the response probability in accordance with the selected calculation formula. | 10-02-2008 |
20080268859 | METHOD AND DEVICE FOR RESOURCE ALLOCATION CONTROL IN RADIO COMMUNICATIONS SYSTEM - A resource allocation control method and device that can reduce inter-cell interference in a radio communications system are provided. According to a method for resource allocation control between a plurality of cells in a radio communications system, radio communication devices respectively controlling at least two cells notify information about control resources of its own cell to each other. In the resources of its own cell, each of the radio communication devices sets a buffer resource within a predetermined resource range corresponding to a control resource of the other cell. At a request for information transmission in its own cell, each of the radio communication devices restricts the allocation of the set buffer resource. | 10-30-2008 |
20080268893 | CONTROL METHOD AND DEVICE OF UPLINK ACCESS TRANSMISSION POWER IN RADIO COMMUNICATIONS SYSTEM - A control method and device for uplink access transmission power are provided that can control inter-cell interference in a radio communications system. In a radio communications system including a plurality of radio communication devices which control a plurality of cells respectively, each radio communication device detects an uplink access delay in its own cell, compares the uplink access delay with a target delay, and, based on the result of this comparison, controls a value related to uplink access transmission power. | 10-30-2008 |
20090003236 | User Throughput Geographical Distribution Estimating System and User Throughput Geographical Distribution Estimating Method - A system is provided for estimating the geographical distribution of user throughput in a cellular system, including user terminals and a base station for effecting wireless packet communications with user terminals inside in its own cell using a shared channel. Reception quality estimating means ( | 01-01-2009 |
20090086673 | METHOD AND DEVICE FOR ALLOCATING COMMON CHANNEL RESOURCES - A resource allocation method and device are provided that can achieve uniform loads on and stable quality of a common channel available to mobile stations having no dedicated channels. A method for allocating common channel resources in a system in which a plurality of first radio communication devices transmit data to a second radio communication device over a common channel, based on first resource allocation information, includes: by the second radio communication device, transmitting second resource allocation information to at least one of the first radio communication devices; and by each of the first radio communication devices, transmitting data to the second radio communication device over the common channel, based on any one of the first resource allocation information and the second resource allocation information. | 04-02-2009 |
20090124276 | APPARATUS AND METHOD FOR TRANSMISSION POWER BALANCE ADJUSTMENT IN A MOBILE CELLULAR SYSTEM - A transmission power control system can establish synchronization by matching adjustment start timings while repeating adjustment periods even when start timings of transmission power balance adjustment are different due to fluctuation of transmission delay of control message from the control station to base station, and can increase circuit capacity by establishing balance of transmission powers between the base stations. In the transmission power control system the base station comprises control means for controlling initiation of a balance adjustment period for performing the balance adjustment from a frame number determined on the basis of frame number of the balance adjustment period. | 05-14-2009 |
20090124277 | APPARATUS AND METHOD FOR TRANSMISSION POWER BALANCE ADJUSTMENT IN A MOBILE CELLULAR SYSTEM - A transmission power control system can establish synchronization by matching adjustment start timings while repeating adjustment periods even when start timings of transmission power balance adjustment are different due to fluctuation of transmission delay of control message from the control station to base station, and can increase circuit capacity by establishing balance of transmission powers between the base stations. In the transmission power control system the base station comprises control means for controlling initiation of a balance adjustment period for performing the balance adjustment from a frame number determined on the basis of frame number of the balance adjustment period. | 05-14-2009 |
20090124278 | APPARATUS AND METHOD FOR TRANSMISSION POWER BALANCE ADJUSTMENT IN A MOBILE CELLULAR SYSTEM - A transmission power control system can establish synchronization by matching adjustment start timings while repeating adjustment periods even when start timings of transmission power balance adjustment are different due to fluctuation of transmission delay of control message from the control station to base station, and can increase circuit capacity by establishing balance of transmission powers between the base stations. In the transmission power control system the base station comprises control means for controlling initiation of a balance adjustment period for performing the balance adjustment from a frame number determined on the basis of frame number of the balance adjustment period. | 05-14-2009 |
20090131097 | APPARATUS AND METHOD FOR TRANSMISSION POWER BALANCE ADJUSTMENT IN A MOBILE CELLULAR SYSTEM - A transmission power control system can establish synchronization by matching adjustment start timings while repeating adjustment periods even when start timings of transmission power balance adjustment are different due to fluctuation of transmission delay of control message from the control station to base station, and can increase circuit capacity by establishing balance of transmission powers between the base stations. In the transmission power control system the base station comprises control means for controlling initiation of a balance adjustment period for performing the balance adjustment from a frame number determined on the basis of frame number of the balance adjustment period. | 05-21-2009 |
20090154400 | RADIO NETWORK CONTROLLING METHOD, RADIO COMMUNICATION SYSTEM AND RADIO NETWORK CONTROLLER - When determination is made that a channel for high-speed downlink packet transmission is short in power by the calculation of power assigned to a downlink shared channel and an activity ratio of the power assigned to the downlink shared channel from transmission power of all the channels and transmission power of other channel than a downlink shared channel for high-speed downlink packet transmission, a total sum of transmission power of dedicated channels is reduced by lowering a rate of a connected dedicated channel for data reception, thereby increasing power assigned to the channel for high-speed downlink packet transmission. | 06-18-2009 |
20090156248 | APPARATUS AND METHOD FOR TRANSMISSION POWER BALANCE ADJUSTMENT IN A MOBILE CELLULAR SYSTEM - A transmission power control system can establish synchronization by matching adjustment start timings while repeating adjustment periods even when start timings of transmission power balance adjustment are different due to fluctuation of transmission delay of control message from the control station to base station, and can increase circuit capacity by establishing balance of transmission powers between the base stations. In the transmission power control system the base station comprises control means for controlling initiation of a balance adjustment period for performing the balance adjustment from a frame number determined on the basis of frame number of the balance adjustment period. | 06-18-2009 |
20090209279 | TRANSMISSION POWER CONTROL METHOD, BASE STATION, BASE STATION CONTROL STATION, AND CONTROL PROGRAM THEREOF - In a transmission power control method for a base station in a communication system including at least a mobile station and at least one base station, the ratio of transmission power approaching a predetermined reference power is changed between a communication having a slot not transmitting a signal and a communication having no slot not transmitting a signal. Thus, in the transmission power control, it is possible to prevent the downstream transmission power from being too much alienated from a desired transmission power. | 08-20-2009 |
20100003998 | CELLULAR SYSTEM, CARRIER ALLOCATION METHOD THEREOF, BASE STATION, AND MOBILE STATION - In a method of allocating carriers of a cellular system comprising mobile stations and a wireless network of multiple base stations, multiple carriers being available for communication between base and mobile stations, the wireless network performs the following. Carriers are divided into first and second carriers, and allocated the same for each cell formed by the base stations. Each mobile station is classified as an intracell-inner-area or an intracell-outer-area mobile station. Communication is performed with the intracell-inner-area and intracell-outer-area mobile stations by the first and second carriers, respectively. A status of use of the first carriers in a first cell is measured based on communicated data, as is that of the second carriers in a second cell. The number of second carriers in the second cell is changed based on at least the status of use of the first carriers and the status of use of the second carriers. | 01-07-2010 |
20100085924 | CARRIER ASSIGNMENT METHOD FOR CELLULAR SYSTEM, CELLULAR SYSTEM, BASE STATION, AND MOBILE STATION - The threshold value of the cell center is increased or decreased depending on the communication quality of a mobile station in the cell center. For example, if the block error rate in the communication of a mobile station in the cell center is high, the threshold value of the cell center is increased so that the mobile station in the cell centre is limited to mobile stations closer to the base station. | 04-08-2010 |
20100118847 | WIRELESS COMMUNICATION TERMINAL, ACCESS POINT EQUIPMENT, WIRELESS COMMUNICATION SYSTEM, AND METHOD FOR PROVIDING AND EXTRACTING DATA - A wireless communication system includes a first network including a base station, a second network including a second base station, and a data providing server. The second base station extracts a first identification data to identify the base station by receiving a radio wave transmitted from the base station. The data providing server collects the first identification data from the second base station and a second identification data to identify the second base station, and provides the second identification data for a wireless communication terminal connected to the first network. | 05-13-2010 |
20100189045 | MOBILE COMMUNICATION SYSTEM AND COMMUNICATION CONTROL METHOD - A communication control method is provided which improves a wireless resource usage rate, is available to recognize a variation in wireless resource state in advance, and is available to control communication in accordance with the variation in a mobile communication system in which an MBMS and an HSDPA coexist and the same wireless resource is shared and used. A MAC-m transmits information related to a wireless resource used on an MBMS transport channel at a transmission timing of a base station to a MAC-hs before the transmission timing. The MAC-hs receives the information related to the wireless resource of the MBMS transport channel from the MAC-m. The MAC-hs calculates a wireless resource which can be used applied to data of a HSDPA transport channel at the transmission timing with using the information related to the wireless resource of the MBMS transport channel and a wireless resource to which the HSDPA transport channel is allocated. The MAC-hs controls communication of the data in accordance with the wireless resource of the calculation result. | 07-29-2010 |
20100260340 | COMMUNICATION SYSTEM, RESPONSE NOTIFYING METHOD AND APPARATUS - To solve a problem that unless all of a plurality of AICH signature states are correctly decoded, the contents of reception results cannot be recognized and the error rate of signature decoding will be high. In this embodiment, a base station uses, out of a signature combination, the signature of at least one predetermined position to indicate information containing a preamble reception result and uses the signature of a position other than the predetermined position to indicate a transmission profile information number of an uplink channel for notification to a user equipment. Thus, the error rate related to reception results can be reduced as compared with the case where a single signature combination is used to notify all pieces of information. | 10-14-2010 |
20100267378 | RADIO COMMUNICATION SYSTEM, METHOD AND PROGRAM - When a mobile terminal experienced a radio link failure in a first cell and establishes a re-connection in a second cell within a predefined time and/or within a preset movement distance from the time of the radio link failure, the mobile terminal reports at least one of the information regarding a first cell and the information regarding a second cell. | 10-21-2010 |
20100279703 | RADIO COMMUNICATION SYSTEM, COMMUNICATION CONTROL METHOD, RADIO STATION, AND RECORDING MEDIUM - There is provided a preferable communication quality between a wireless station (for example, a micro base station) located within a macro cell and a mobile station communicating with the wireless station, without depending on a location of the wireless station within the macro cell while suppressing the interference that the communication between the wireless station and the mobile station exerts on the macro cell. A femto base station ( | 11-04-2010 |
20110003557 | RADIO STATION APPARATUS, RADIO RESOURCE CONTROL METHOD, RECORDING MEDIUM STORING RADIO STATION CONTROL PROGRAM, AND RADIO COMMUNICATION SYSTEM - To provide good communication quality inside a building while suppressing interference exerted on communication of other radio stations by radio waves leaked outside the building. A femto base station | 01-06-2011 |
20110003559 | RADIO STATION APPARATUS, RADIO RESOURCE CONTROL METHOD, RECORDING MEDIUM STORING RADIO STATION CONTROL PROGRAM, AND RADIO COMMUNICATION SYSTEM - To suppress, when communication is performed between two radio stations, interference on other radio stations located in the vicinity of them. A femto base station | 01-06-2011 |
20110003560 | RADIO COMMUNICATION SYSTEM, COMMUNICATION APPARATUS, RADIO COMMUNICATION NETWORK SYSTEM AND METHOD THEREFOR - A radio communication system provided with a communication device and a radio communication network system is characterized by comprising a transmission delay estimate information transmitting means for transmitting transmission delay estimate information to the radio communication network system when the transmission condition of the transmission delay estimate information is met. | 01-06-2011 |
20110009147 | RADIO RESOURCE CONTROL METHOD, RADIO STATION APPARATUS, RECORDING MEDIUM STORING RADIO STATION CONTROL PROGRAM, AND RADIO COMMUNICATION SYSTEM - To effectively suppress interference on other radio stations located in the vicinity, when the radio station performs radio communication with a registered radio station. A femto base station | 01-13-2011 |
20110128903 | RADIO COMMUNICATION SYSTEM, METHOD, PROGRAM, BASE STATION APPARATUS, MULTI-CELL/MULTICAST COOPERATION CONTROL APPARATUS - Disclosed is a radio communication system in which transmission parameters, such as MCS of MBSFN, the number of subframes, and a transmission power of a reserved cell, are adaptively output, based on a unicast traffic volume in a MBSFN area, a number of terminals, and a number of cells of the MBSFN area, so that a system throughput in the MBSFN area is maximized while satisfying an MBSFN quality requirement condition. | 06-02-2011 |
20110176470 | MOBILE COMMUNICATION SYSTEM, COMMUNICATION CONTROL METHOD, AND BASE STATION AND MOBILE STATION TO BE EMPLOYED IN THE SAME - In the communication system performing transmission with generating the vacant period in the slotted mode during data transmission in order to perform various process, such as different frequency carrier quality measurement or so forth, the control signal for maintaining a communication quality is inserted even in the vacant period. Therefor, a link quality may not be degraded even if the vacant period is long. Namely, when the pilot signal is used as the control signal, even in the vacant period, measurement of the link quality of the forward link with the pilot signal is performed in the mobile station to report the result of measurement to the base station. Therefore, transmission power control of the forward link can be performed according to the report in the base station. Therefore, degradation of the forward link can be eliminated. | 07-21-2011 |
20110176533 | MOBILE COMMUNICATION SYSTEM, COMMUNICATION CONTROL METHOD, AND BASE STATION AND MOBILE STATION TO BE EMPLOYED IN THE SAME - In the communication system performing transmission with generating the vacant period in the slotted mode during data transmission in order to perform various process, such as different frequency carrier quality measurement or so forth, the control signal for maintaining a communication quality is inserted even in the vacant period. Therefor, a link quality may not be degraded even if the vacant period is long. Namely, when the pilot signal is used as the control signal, even in the vacant period, measurement of the link quality of the forward link with the pilot signal is performed in the mobile station to report the result of measurement to the base station. Therefore, transmission power control of the forward link can be performed according to the report in the base station. Therefore, degradation of the forward link can be eliminated. | 07-21-2011 |
20110190016 | RADIO COMMUNICATION SYSTEM AND METHOD - A base station determines a report execution probability of a mobile station reporting to the base station a monitor result on the radio link acquired by the mobile station in accordance with traffic on the radio link and/or the number of reports made on the monitor results. The mobile station prohibits or makes reporting to the base station in accordance with the large/small relationship between a random number generated and the report execution probability. A management server prohibits reporting from the mobile station on the cell basis or on the GPS location—cell pair basis. | 08-04-2011 |
20110194455 | BASE STATION, TRANSMISSION POWER CONTROL METHOD FOR BASE STATION, PROCESSING APPARATUS, STORAGE MEDIUM STORING PROGRAM, AND COMMUNICATION SYSTEM - A base station | 08-11-2011 |
20110201367 | BASE STATION APPARATUS, CONTROL METHOD OF BASE STATION APPARATUS, COMMUNICATION SYSTEM, AND STORAGE MEDIUM STORING PROGRAM - A base station | 08-18-2011 |
20110207468 | BASE STATION, RADIO COMMUNICATIONS SYSTEM, BASE STATION CONTROL METHOD, RADIO COMMUNICATIONS METHOD AND BASE STATION CONTROL PROGRAM - [Problems] Because it is not possible to reduce sufficiently the number of base stations that starts uselessly in spite of being in low traffic state, it is not possible to lower interference between adjacent cells and power consumption sufficiently. | 08-25-2011 |
20110243028 | MOBILE COMMUNICATION SYSTEM, COMMUNICATION CONTROL METHOD, AND BASE STATION AND MOBILE STATION TO BE EMPLOYED IN THE SAME - In the communication system performing transmission with generating the vacant period in the slotted mode during data transmission in order to perform various process, such as different frequency carrier quality measurement or so forth, the control signal for maintaining a communication quality is inserted even in the vacant period. Therefor, a link quality may not be degraded even if the vacant period is long. Namely, when the pilot signal is used as the control signal, even in the vacant period, measurement of the link quality of the forward link with the pilot signal is performed in the mobile station to report the result of measurement to the base station. Therefore, transmission power control of the forward link can be performed according to the report in the base station. Therefore, degradation of the forward link can be eliminated. | 10-06-2011 |
20110243049 | MOBILE COMMUNICATION SYSTEM, COMMUNICATION CONTROL METHOD, AND BASE STATION AND MOBILE STATION TO BE EMPLOYED IN THE SAME - In the communication system performing transmission with generating the vacant period in the slotted mode during data transmission in order to perform various process, such as different frequency carrier quality measurement or so forth, the control signal for maintaining a communication quality is inserted even in the vacant period. Therefor, a link quality may not be degraded even if the vacant period is long. Namely, when the pilot signal is used as the control signal, even in the vacant period, measurement of the link quality of the forward link with the pilot signal is performed in the mobile station to report the result of measurement to the base station. Therefore, transmission power control of the forward link can be performed according to the report in the base station. Therefore, degradation of the forward link can be eliminated. | 10-06-2011 |
20120069809 | METHOD AND DEVICE FOR ALLOCATING COMMON CHANNEL RESOURCES - A resource allocation method and device are provided that can achieve uniform loads on and stable quality of a common channel available to mobile stations having no dedicated channels. A method for allocating common channel resources in a system in which a plurality of first radio communication devices transmit data to a second radio communication device over a common channel, based on first resource allocation information, includes: by the second radio communication device, transmitting second resource allocation information to at least one of the first radio communication devices; and by each of the first radio communication devices, transmitting data to the second radio communication device over the common channel, based on any one of the first resource allocation information and the second resource allocation information. | 03-22-2012 |
20120099455 | WIRELESS COMMUNICATION SYSTEM, BASE STATION, MANAGEMENT SERVER, AND WIRELESS COMMUNICATION METHOD - A wireless communication system is provided including a first base station, and a second base station having a coverage area at least one part of which overlaps a coverage area of the first base station. The communication system includes a measurer that measures a utilization degree of at least one mobile station connected to the second base station, and an adjuster that adjusts a wireless resource allocation of the at least one mobile station connected to the second base station based upon the utilization degree. | 04-26-2012 |
20120113929 | Method and Device for Resource Allocation Control in Radio Communications System - A resource allocation control method and device that can reduce inter-cell interference in a radio communications system are provided. According to a method for resource allocation control between a plurality of cells in a radio communications system, radio communication devices respectively controlling at least two cells notify information about control resources of its own cell to each other. In the resources of its own cell, each of the radio communication devices sets a buffer resource within a predetermined resource range corresponding to a control resource of the other cell. At a request for information transmission in its own cell, each of the radio communication devices restricts the allocation of the set buffer resource. | 05-10-2012 |
20120149374 | WIRELESS COMMUNICATION SYSTEM, BASE STATION, WIRELESS COMMUNICATION METHOD AND RECORDING MEDIUM - A wireless communication system ( | 06-14-2012 |
20120190358 | MOBILE COMMUNICATION SYSTEM, BASE STATION APPARATUS, MOBILE STATION APPARATUS, CONTROL METHOD, AND COMPUTER READABLE MEDIUM - A first transmission controller ( | 07-26-2012 |
20120190359 | MOBILE COMMUNICATION SYSTEM, BASE STATION APPARATUS, CONTROL APPARATUS, CONTROL METHOD, AND COMPUTER READABLE MEDIUM - Home base stations ( | 07-26-2012 |
20120190392 | MOBILE COMMUNICATION SYSTEM, BASE STATION, NETWORK DEVICE, AND CONTROL METHOD AND PROGRAM THEREOF - In order to reduce interference to a macro user equipment by easily selecting a home cell serving as the source of interference to the macro user equipment and adjusting a transmission power or the like, a plurality of base stations ( | 07-26-2012 |
20120214529 | RADIO RESOURCE RANGE SETTING DEVICE, RADIO RESOURCE RANGE SETTING METHOD, AND RECORDING MEDIUM - A device acquires load information representing a load of radio communication performed between a base station and a plurality of communication terminals performing radio communication with the base station by using a radio resource allocated by the base station. The device sets in response to the acquired load information, from a first radio resource range and a second radio resource range, a radio resource range that the base station can allocate to an edge communication terminal whose channel quality is less than a predetermined threshold. | 08-23-2012 |
20120224545 | BASE STATION, RADIO RESOURCE ALLOCATION METHOD, AND RECORDING MEDIUM - For a communication terminal performing radio communication, a base station acquires communication path quality information representing a communication path quality, which is the quality of a communication path with the communication terminal. The base station allocates power larger than reference transmission power as transmission power to an edge terminal configuring at least part of an edge terminal group configured by an edge terminal that is a communication terminal whose communication path quality is lower than a threshold quality, allocates the reference transmission power as the transmission power to an edge terminal configuring a remaining part of the edge terminal group. | 09-06-2012 |
20120252479 | RADIO COMMUNICATION SYSTEM, BASE STATION APPARATUS, BASE STATION CONTROL APPARATUS, METHOD OF CONTROLLING TRANSMISSION POWER OF BASE STATION, AND COMPUTER READABLE MEDIUM - A base station ( | 10-04-2012 |
20120257497 | METHOD FOR SELECTING ALLOCABLE WIRELESS RESOURCES, DEVICE FOR SELECTING ALLOCABLE WIRELESS RESOURCES, AND COMMUNICATION DEVICE - A communication device in wireless communication with another communication device or devices includes an index value calculation unit, a congestion degree measuring unit, a threshold value setting unit, and a determination unit. The index value calculation unit calculates an index value according to each of the other communication devices for determining whether or not to let a wireless resource utilized for communications with the other communication device be a candidate allocated to the other communication device based on the quality of a channel to the other communication device. The congestion degree measuring unit measures a congestion degree between itself and the other communication device. The threshold value setting unit calculates a threshold value for determining whether or not to let the wireless resource be the candidate allocated to the other communication device based on the measured congestion degree. The determination unit compares the index value with the threshold value to determine whether or not to let the wireless resource be the candidate allocated to the other communication device. | 10-11-2012 |
20120269249 | COMMUNICATION SYSTEM, COMMUNICATION METHOD FOR THE SAME AND MOBILE STATION AND BASE STATION USED FOR THE SAME - A mobile station selecting one of a plurality of bands, obtaining two restored value candidates for respective adjacent bands in higher and lower directions by increasing or decreasing a predetermined step size by using the selected value as a reference, and generating relative value information on a restored value indicating which restored value candidate increased or decreased by the step size is the restored value candidate closer to the measured value as a bitmap. The mobile station transmits the communication channel quality information of the one band and the bitmap. The mobile station measures a communication channel quality of each of the plurality of bands obtained by dividing a communication band of a downlink. | 10-25-2012 |
20130012189 | RADIO COMMUNICATION SYSTEM AND METHOD - A mobile station determines, in accordance with reception quality of a radio signal from a base station, a measurement cycle of a predetermined measurement on a link status and/or on/off of the predetermined measurement and controls execution of the predetermined measurement based on the determination. | 01-10-2013 |
20130064208 | RADIO COMMUNICATION SYSTEM, COMMUNICATION APPARATUS, RADIO COMMUNICATION NETWORK SYSTEM AND METHOD THEREFOR - A radio communication system provided with a communication device and a radio communication network system is characterized by comprising a transmission delay estimate information transmitting means for transmitting transmission delay estimate information to the radio communication network system when the transmission condition of the transmission delay estimate information is met. | 03-14-2013 |
20130116000 | BASE STATION, RADIO COMMUNICATIONS SYSTEM, BASE STATION CONTROL METHOD, RADIO COMMUNICATIONS METHOD AND BASE STATION CONTROL PROGRAM - [Problems] Because it is not possible to reduce sufficiently the number of base stations that starts uselessly in spite of being in low traffic state, it is not possible to lower interference between adjacent cells and power consumption sufficiently. | 05-09-2013 |
20130137473 | WIRELESS COMMUNICATION SYSTEM, NEIGHBOR CELL LIST OPTIMIZATION SYSTEM, BASE STATION, AND NEIGHBOR CELL LIST UPDATE METHOD - The present invention is applicable to a wireless communication system provided with mobile terminals and base stations that manage cells to which the mobile terminals are connected. The wireless communication system of the present invention has a new cell detection unit that detects, from among neighbor cells which are adjacent to the cells to which the mobile terminals are connected, new cells that have newly started or whose operation has resumed or whose geographical range has changed, and a neighbor cell list generation unit which preferentially registers new cells that have been detected by the new cell detection unit in neighbor cell lists in which are registered neighbor cells that are candidates for handover destinations of the mobile terminals. | 05-30-2013 |
20130157680 | RADIO COMMUNICATION SYSTEM, RADIO RESOURCE DETERMINATION METHOD THEREFOR, COMMUNICATION MANAGEMENT DEVICE, AND CONTROL METHOD AND CONTROL PROGRAM FOR COMMUNICATION MANAGEMENT DEVICE - In order to effectively determine an optimized radio resource, a radio communication system ( | 06-20-2013 |
20130229970 | RADIO COMMUNICATION SYSTEM, METHOD, PROGRAM, BASE STATION APPARATUS, MULTI-CELL/MULTICAST COOPERATION CONTROL APPARATUS - Disclosed is a radio communication system in which transmission parameters, such as MCS of MBSFN, the number of subframes, and a transmission power of a reserved cell, are adaptively output, based on a unicast traffic volume in a MBSFN area, a number of terminals, and a number of cells of the MBSFN area, so that a system throughput in the MBSFN area is maximized while satisfying an MBSFN quality requirement condition. | 09-05-2013 |
20130273919 | HANDOVER CONTROL METHOD, CONTROL APPARATUS, ADJUSTMENT APPARATUS, AND NON-TRANSITORY COMPUTER READABLE MEDIUM - A method of controlling handover of a mobile station ( | 10-17-2013 |
20140169258 | RADIO COMMUNICATION SYSTEM, METHOD, PROGRAM, BASE STATION APPARATUS, MULTI-CELL/MULTICAST COOPERATION CONTROL APPARATUS - Disclosed is a radio communication system in which transmission parameters, such as MCS of MBSFN, the number of subframes, and a transmission power of a reserved cell, are adaptively output, based on a unicast traffic volume in a MBSFN area, a number of terminals, and a number of cells of the MBSFN area, so that a system throughput in the MBSFN area is maximized while satisfying an MBSFN quality requirement condition. | 06-19-2014 |
20140256335 | Radio Parameter Control Apparatus, Radio Base Station, Radio Parameter Control Method, and Non-Transitory Computer Readable Medium - A radio parameter control apparatus decides a radio parameter from which a throughput of UE is improved. A radio parameter control apparatus includes: a radio quality prediction unit ( | 09-11-2014 |
20140269603 | Radio Station and Method of Processing User Data With Radio Station - A radio station ( | 09-18-2014 |
20140328184 | RADIO STATION AND METHOD OF PROCESSING USER DATA WITH RADIO STATION - A radio station ( | 11-06-2014 |
20140334417 | RADIO STATION AND METHOD OF PROCESSING USER DATA WITH RADIO STATION - A radio station ( | 11-13-2014 |
20140378177 | RECEIVED POWER ESTIMATION DEVICE, RECEIVED POWER ESTIMATE METHOD, PROGRAM, SENSOR STATION, AND RADIO SYSTEM - The present invention is a device which, when a second wireless system shares the use of a frequency which is allocated to a first wireless system, estimates receiving power when a second wireless signal which is transmitted from a transmission station of the second wireless system is received at a receiving station of the first wireless system. The receiving power estimation device comprises a correction means for correcting a receiving power estimate value of the second wireless signal at the first wireless system receiving station which is computed using an estimate value of path loss from the second wireless system transmission station to the first wireless system receiving station, said correction using a receiving power measurement value of the second wireless signal which is measured in a transmission station periphery sensor station which is a sensor station which is located in the periphery of the second wireless system transmission station. | 12-25-2014 |
20150029965 | Radio Station and Method of Processing User Data With Radio Station - A radio station ( | 01-29-2015 |