Patent application number | Description | Published |
20130260786 | METHOD AND APPARATUS FOR CONTROLLING FEMTOCELL BASE STATION - Disclosed are a method and an apparatus for controlling a femtocell base station which can effectively solve an inter-cell interference problem. A method of controlling a femtocell base station according to an exemplary embodiment of the present disclosure includes receiving pilot signals from one or more macro cell base stations located in surroundings of a femtocell and measuring intensities of the pilot signals; receiving use frequency information and pilot signal transmission power information from the one or more macro cell base stations; determining a position of the femtocell within a reference macro cell according to an intensity of a reference pilot signal having a maximum signal intensity among the received pilot signals; determining a use frequency of the femtocell according to the position of the femtocell; and determining a transmission power of the femtocell according to the use frequency and the intensity of the reference pilot signal of the femtocell. | 10-03-2013 |
20130331093 | MULTIMODE TERMINAL AND METHOD FOR RELAYING MOBILE COMMUNICATION USING THE SAME - Disclosed are a multimode terminal that may simultaneously enhance utilization of a device and efficiency of a network by enabling a mobile terminal supporting a plurality of communication schemes to additionally support a relay function, and a method of relaying communication using the multimode terminal. A communication relay method of a multimode terminal according to an exemplary embodiment of the present disclosure includes: searching, by a base station, for terminals that support a plurality of communication schemes; selecting, by the base station from among the searched terminals, a relay terminal that satisfies a predetermined condition for performing a multimode relay function; requesting, by the base station, the relay terminal to perform the multimode relay function; and relaying, by the relay terminal in response to the request of the base station, communication between the base station and a target terminal. | 12-12-2013 |
20140023050 | METHOD AND APPARATUS FOR ALLOCATING RESOURCES IN CELLULAR COMMUNICATION SYSTEM - An apparatus for allocating resources in a cellular communication system including a plurality of cells divides time resources of one period into a plurality of time division intervals, allocates one time division interval of the plurality of time division intervals for user terminals in a cell edge region, and controls at least one of a magnitude of one period and a magnitude of the plurality of time division intervals in accordance with distributions and load distributions of user terminals of the plurality of cells. | 01-23-2014 |
20140162678 | METHOD AND APPARATUS FOR DYNAMIC RESOURCE ALLOCATION - A dynamic resource allocating apparatus of a first base station managing a first cell in a cellular communication system calculates an interference metric of each user terminal received by each user terminal from a plurality of neighboring cells, calculates a coupling factor between the first base station and each neighboring base station of each neighboring cell by using the interference metric and a load of each user terminal, calculates available cell boundary resources of neighboring cells by using the coupling factor with respect to each neighboring base station, and allocates resources by using the cell boundary resources allocated to the first cell and the available cell boundary resources of the neighboring cells. | 06-12-2014 |
20140295866 | METHOD AND APPARATUS FOR DYNAMICALLY ALLOCATING RESOURCE - A dynamic resource allocating apparatus of a first base station that manages a first cell in a cellular communication system including the first cell and a plurality of cells adjacent to the first cell determines time resource division vector in which one time resource division period is formed of a plurality of time division intervals and calculates time resource division vector for maximizing utilities of user terminals in a set up objective function to update the time resource division vector. Among the plurality of time division intervals, a first time division interval is operated by a time resource reuse coefficient 1 for user terminals positioned in center regions of a first cell and a plurality of adjacent cells, and the remaining time division intervals excluding the first time division interval are operated by a time resource reuse coefficient n for user terminals positioned at edges of the first cell and the plurality of adjacent cells. | 10-02-2014 |
20150063316 | METHOD AND APPARATUS FOR ALLOCATING RESOURCE - In a cellular communication system including a plurality of cells, a resource allocation apparatus of a base station determines a resource division ratio of a present resource frame using a traffic load of a plurality of cells that are measured for an immediately preceding resource frame and marginal utility of each partition, divides a present resource frame into a plurality of partitions according to the determined resource division ratio, and allocates a plurality of partitions to a user. | 03-05-2015 |
Patent application number | Description | Published |
20090298831 | PHENYL PIPERAZINE COMPOUNDS, PHARMACEUTICAL COMPOSITION INCLUDING THE SAME AND USE THEREOF - The present invention relates to novel piperazine derivatives or pharmaceutically acceptable salts thereof, a process for preparing the same, and in particular, a high binding for Serotonin 1A(5-hydroxytryptamine; 5-HT1A) receptor, a pharmaceutical composition for treatment and/or prevention of depression and anxiety including an effective amount of the piperazine compound, and a method of treating depression, anxiety and other conditions related to 5-HT1A receptor in a mammal. | 12-03-2009 |
20090298851 | PHENYL PIPERAZINE COMPOUNDS, PHARMACEUTICAL COMPOSITION COMPRISING THE SAME AND USE THEREOF - The present invention relates to a novel piperazine derivative or pharmaceutically acceptable salt thereof, a process for preparing the same, a pharmaceutical composition for treating central nervous system diseases comprising an effective amount of the piperazine compound and a method of treating central nervous system (CNS) disorder such as psychosis in a mammal. | 12-03-2009 |
20110118264 | PHENYL PIPERAZINE COMPOUNDS, PHARMACEUTICAL COMPOSITION INCLUDING THE SAME AND USE THEREOF - The present invention relates to novel piperazine derivatives or pharmaceutically acceptable salts thereof, a process for preparing the same, and in particular, a high binding for Serotonin 1A(5-hydroxytryptamine; 5-HT1A) receptor, a pharmaceutical composition for treatment and/or prevention of depression and anxiety including an effective amount of the piperazine compound, and a method of treating depression, anxiety and other conditions related to 5-HT1A receptor in a mammal | 05-19-2011 |