Patent application number | Description | Published |
20100330989 | TERMINAL AND METHOD FOR CONTROLLING CELL SEARCHING THEREOF - A cell search method for a terminal capable of cell search control includes: receiving a message including first cell search information from a macro cell base station that manages a macro cell; updating second cell search information stored in the terminal based on the first cell search information; and searching for an accessible cell based on the updated second cell search information. | 12-30-2010 |
20110038313 | ENHANCED COMMUNICATION APPARATUS FOR PROVIDING ENHANCED CONCATENATION, SEGMENTATION AND REASSEMBLY OF SERVICE DATA UNITS - Provided is an enhanced communication apparatus. The enhanced communication apparatus may enable a Packet Data Convergence Protocol (PDCP) layer unit to perform a part of a concatenation function, a segmentation function, and a reassembly function of a Radio Link Control (RLC) layer unit that is a sublayer of Layer 2, and may decrease a number of Packet Data Convergence Protocol Packet Data Units (PDCP PDUs) to be processed by the RLC layer unit. | 02-17-2011 |
20110069837 | METHOD OF TRANSMITTING USER MESSAGE, TERMINAL AND BASE STATION USING THE METHOD - When transmitting a user message, in a call setting period of a base station and a terminal and a radio connection state between a base station and a terminal, whenever a data transmittable channel resource is available, user messages of an amount corresponding to the available channel resource are transmitted. Therefore, user messages can be divided and transmitted according to an available channel in a call setting period. | 03-24-2011 |
20110070880 | METHOD FOR HANDOVER IN MULTI-CARRIER SYSTEM - When a terminal moves from a serving cell to a target cell, the carrier in use is switched to the primary carrier of the serving cell and then handed over to the target cell. Hereupon, handover is performed by switching the carrier used by the terminal operating with the primary carrier of the serving cell to the primary carrier of the target cell to perform handover. When the terminal has fully entered the target cell, the best carrier is selected from among the carriers available to the target cell, thus allowing the terminal to perform frequency conversion to the best carrier. | 03-24-2011 |
20110080885 | APPARATUS AND METHOD FOR MANAGEMENT OF EXTENSION CARRIER IN BASE STATION - Provided are an extension carrier managing apparatus of a base station and a method thereof. When an extension carrier is to be added in a terminal, the extension carrier managing apparatus may compare propagation characteristics of available extension carriers with a propagation characteristic of a stand-alone carrier being used by a terminal, and may set an extension carrier having a transmission range being less than or equal to the stand-alone carrier, and has a penetration loss being greater than or equal to the stand-alone carrier and thus, may set the extension carrier where a coverage-hole does not occur. | 04-07-2011 |
20110149913 | METHOD AND SERVING BASE STATION FOR DETERMINING HANDOVER TYPE, AND METHOD FOR HANDOVER BETWEEN BASE STATIONS IN WIRELESS MOBILE COMMUNICATION SYSTEM USING CARRIER AGGREGATION - Provided are a method and a base station for determining a handover type, and a method for handover between base stations in a wireless communication system using carrier aggregation. A serving base station may collect measurement information required to determine an optimal frequency band set from a neighboring base station and a user equipment. The serving base station may determine an optimal frequency band set for downlink handover and uplink hand over, and determine a type of the downlink handover and the uplink handover by performing data processing of the collected measurement information. | 06-23-2011 |
20120039202 | DEVICE IN WIRELESS NETWORK, DEVICE RESOURCE MANAGEMENT APPARATUS, GATEWAY AND NETWORK SERVER, AND CONTROL METHOD OF THE NETWORK SERVER - Provided is a device resource management apparatus in a wireless network, the device resource management apparatus including an access mode selection module to select a predetermined access mode among a plurality of access modes for a device, each of the plurality of access modes determining a type of a medium included in an access route between the device and an opponent device, and a device agency module to obtain an agent profile corresponding to the device when an access route between the device and the opponent device is formed according to the predetermined access mode, and to perform, as a proxy for the device, at least one function defined by the agent profile. | 02-16-2012 |
20120120794 | METHOD AND APPARATUS FOR CONTROLLING TRAFFIC - A method for controlling traffic in a mobile communication network is provided. A traffic control apparatus checks locations of a calling terminal and a receiving terminal, and determines whether to perform terminal-to-terminal direct communication based on the locations of the calling terminal and the receiving terminal. A base station of the calling terminal and a base station of the receiving terminal instruct the calling terminal and the receiving terminal to perform the terminal-to-terminal direct communication when the terminal-to-terminal direct communication is determined to be performed. | 05-17-2012 |
20120155306 | BASE STATION AND OPERATING METHOD THEREOF - A base station measures an amount of traffic within a downlink buffer. If the measured amount of traffic is larger than a threshold value, the base station adjusts a ratio of an available interval and an unavailable interval according to a ratio of the amount of traffic against the threshold value and length of a superframe. If the measured amount of traffic is smaller than the threshold value, the base station adjusts a ratio of the available interval and the unavailable interval according to a ratio of the threshold value against the amount of traffic and length of the superframe. | 06-21-2012 |
20120157153 | WIRELESS COMMUNICATION SYSTEM AND METHOD OF OPERATING THE SAME FOR LOW POWER CONSUMPTION OF TERMINAL DEVICE - The wireless communication system is configured to adaptively change a status report (SR) cycle and a discontinuous reception (DRX) cycle on the basis of a quality of a radio link between a terminal device and a network device. When the quality of the radio link is good, the DRX cycle or the SR cycle is lengthened accordingly, and when the quality of the radio link is poor, the DRX cycle or the SR cycle is shortened accordingly. Furthermore, when the quality of the radio link is good for a long time, the power consumption can be significantly reduced by turning off the terminal device, and after a certain time, turning on the device. | 06-21-2012 |
20120165032 | METHOD OF CONTROLLING INTEFERENCE FROM FEMTO CELLS IN CONSIDERATION OF MACROCELL - A method of controlling femtocell interference considering a macrocell is provided. The method of controlling the interference includes a method of setting transmission power of the femtocell and methods of avoiding the interference of the femtocell. The methods of avoiding the interference include a PRB rotation method, a PRB transmission power restriction method, a hybrid method and a UB rotation method. The method of setting the transmission power and the methods of avoiding the interference may be implemented independently or implemented in combination with each other. Hence, according to the present invention, the femtocell itself can control the interference without affecting an interface of an existing macrocell base station and without signaling through the interface with the macrocell. | 06-28-2012 |
20130084868 | SYSTEM AND METHOD FOR MULTI-HIERARCHICAL CELL CONFIGURATION - Provided is a system and method for configuring a multi-hierarchical cell in which a large-scale mobile backhaul technology and a small cell technology are combined. A mobile backhaul may increase a transmission capacity of a wireless backhaul using a super high frequency (SHF)/extremely high frequency (EHF) band, rather than a cellular band having a limitation in extending frequency resources, and a small group cell to be formed at a final end of the mobile backhaul may be configured by fixed group cells or mobile group cells depending on a radio environment, using a moving relay, wireless fidelity (WiFi), femto-cells, and the like, whereby cells may be miniaturized effectively, and a relatively great capacity of a wireless system may be provided to a subscriber. | 04-04-2013 |
20130196652 | METHOD AND APPARATUS FOR SETTING COMMUNICATION TARGET IN WIRELESS COMMUNICATION SYSTEM - Provided is a method and apparatus for setting a communication target in a wireless communication system. A method of setting, by a setting device, a communication target in a wireless communication system may include: obtaining a synchronization and a characteristic of a target device by receiving a signal transmitted from the target device during a predetermined period of time; transmitting setting information to the target device based on the synchronization and the characteristic of the target device; and completing setting of the communication target by receiving setting response signal from the target device. | 08-01-2013 |
20130202309 | METHOD OF PERFORMING HANDOVER IN WIRELESS OPTICAL COMMUNICATION AND MOBILE STATION USING THE SAME - In a wireless optical communication system, while a mobile station including a wireless optical transmitting/receiving apparatus, i.e., an optical mobile station (OMS), is mounted in a moving object and moves, the mobile station performs handover from a previous optical base station (OBS) to a new OBS. Here, the mobile station may include at least one OMS, and when the mobile station includes two OMSs, soft handover is performed, and when the mobile station includes one OMS, hard handover is performed. | 08-08-2013 |
20130231150 | APPARATUS AND METHOD FOR SHF/EHF BAND WIRELESS TRANSMISSION ON MULTI-LEVEL CELL CONFIGURATION - Provided is an apparatus for super high frequency (SHF)/extremely high frequency (EHF) band wireless transmission on a multi-level configuration. The apparatus may include a list managing unit to receive and manage a first list associated with an SHF/EHF band signal from a terminal connected to a wireless network, a path finding unit to select a path having a communication quality value greater than or equal to a first threshold value by referring to the first list, and a scheduling unit to schedule available SHF/EHF band radio resources for the selected path. | 09-05-2013 |
20140106768 | METHOD OF TRANSMITTING USER MESSAGE, TERMINAL AND BASE STATION USING THE METHOD - When transmitting a user message, in a call setting period of a base station and a terminal and a radio connection state between a base station and a terminal, whenever a data transmittable channel resource is available, user messages of an amount corresponding to the available channel resource are transmitted. Therefore, user messages can be divided and transmitted according to an available channel in a call setting period. | 04-17-2014 |
20140153423 | METHOD FOR HANDOVER OF TERMINAL USING MULTI-CONNECTION IN CELLULAR COMMUNICATION SYSTEM - A method for handover of a terminal using a multi-connection in a cellular communication system is disclosed. The method for handover according to the present invention includes a multi-connection setting procedure of setting a connection to a second base station in addition to a connection to a first base station according to movement of a terminal in a direction from the first base station to the second base station, and a connection release procedure of releasing the connection to the first base station. Specifically, the present invention may be applied in a multi-beam management environment of super high frequency (SHF) and extremely high frequency (EHF) bandwidths, and may obtain an effect of decreasing signaling overhead and process latency of a conventional handover method. | 06-05-2014 |