Patent application number | Description | Published |
20090262691 | Resource allocation apparatus and method for reducing overhead in mobile communication system - A resource allocation for reducing overhead in a mobile communication system is provided. An operating method of a base station for changing a fixed resource allocation to reduce overhead in a mobile communication system includes calculating a total amount of resources allocated to a corresponding subframe in a period of a corresponding fixed allocation resource; when the total amount of the resources allocated to the corresponding subframe is greater than a threshold, temporarily canceling one or more corresponding fixed allocation resources to make the total amount of the resources allocated to the corresponding subframe less than or equal to the threshold; and reallocating the one or more canceled fixed allocation resources according to a corresponding rule. | 10-22-2009 |
20090291691 | APPARATUS AND METHOD FOR DETERMINING FRACTIONAL FREQUENCY REUSE REGION BY USING BROADCAST REFERENCE SIGNAL IN BROADBAND WIRELESS COMMUNICATION SYSTEM - An apparatus and method for operating a Fractional Frequency Reuse (FFR) scheme in a broadband wireless communication system is provided. The method includes broadcasting a reference value for determining an FFR region, receiving region information determined by using the reference value from at least one Mobile Station (MS), and determining a communication band of at least one MS by using the region information received from the at least one MS. | 11-26-2009 |
20090323620 | APPARATUS AND METHOD FOR RELOCATING PERSISTENTLY ALLOCATED RESOURCE IN A BROADBAND WIRELESS COMMUNICATION SYSTEM - Apparatuses of a base station and terminal in a wireless communication system and their operating methods are provided. An operating method of a base station in a broadband wireless communication system includes determining whether to relocate at least one persistently allocated resource, when it is determined to relocate the at least one persistently allocated resource, relocating the at least one persistently allocated resource, generating a resource relocation Information Element (IE) indicative of the resource relocation using an offset of a Resource Block (RB), and transmitting the resource relocation IE. | 12-31-2009 |
20090323626 | Resource allocation apparatus and method for reducing overhead in mobile communication system - An operating method of a base station for changing a fixed resource allocation to reduce overhead in a mobile communication system includes calculating a total amount of resources allocated to a corresponding subframe in a period of a corresponding fixed allocation resource; when the total amount of the resources allocated to the corresponding subframe is greater than a threshold, temporarily canceling one or more corresponding fixed allocation resources to make the total amount of the resources allocated to the corresponding subframe less than or equal to the threshold; and reallocating the one or more canceled fixed allocation resources according to a corresponding rule. | 12-31-2009 |
20100005358 | APPARATUS AND METHOD FOR SUPPORTING HYBRID ARQ IN BROADBAND WIRELESS COMMUNICATION SYSTEM - An apparatus and method for supporting Hybrid Automatic Repeat reQuest (HARQ) in a broadband wireless communication system are provided. A method of performing HARQ by a Mobile Station (MS) in a wireless communication system includes receiving a control message including resource allocation information, decoding the control message, if the decoding is successful, determining whether a previous control message is lost, and if the previous control message is lost, transmitting one of a null signal and a specific indicator through a response channel. | 01-07-2010 |
20100091689 | APPARATUS AND METHOD FOR TRANSMITTING AND RECEIVING CONTROL INFORMATION IN A BROADBAND WIRELESS COMMUNICATION SYSTEM USING HALF FREQUENCY DIVISION DUPLEX - An apparatus and method for transmitting/receiving control information in a broadband wireless communication system using Half Frequency Division Duplex (H-FDD) are provided. An operation of a Mobile Station (MS) includes, in the case of a frame at which control information is not transmitted, performing uplink communication at a front end of the frame and, in the case of a frame at which the control information is transmitted, performing downlink communication at a front end of the frame. | 04-15-2010 |
20100172314 | APPARATUS AND METHOD FOR ALLOCATING RESOURCES USING COODBOOK IN A BORADBAND WIRELESS COMMUNICATION SYSTEM - A method and an apparatus for allocating a resource in a broadband wireless communication system are provided. In the method, a Modulation and Coding Scheme (MCS) level set and a burst size set to generate a codebook is determined. The codebook is generated using the MCS level set and the burst size set. Resource allocation information is one of generated and read according to the codebook. | 07-08-2010 |
20110053626 | Resource allocation apparatus and method for reducing overhead in mobile communication system - A method and apparatus change resource allocation to reduce overhead in a mobile communication system. The method of operating a base station for changing a fixed resource allocation to reduce overhead in a mobile communication system includes determining whether a plurality of fixed resource allocations collide in a fixed resource allocation period. If the fixed resource allocations collide, at least one fixed resource allocation among the plurality of fixed resource allocations is cancelled in the fixed resource allocation period and a determination is made on whether to reallocate the at least one fixed resource allocation before a next fixed resource allocation period. If the at least one fixed resource allocation is reallocated before the next fixed resource allocation period, a control message containing reallocation information changed with respect to the at least one fixed resource allocation is transmitted to a corresponding mobile station. Accordingly, a location of an allocation resource region based on a fixed resource allocation can be effectively changed by using minimum control information. | 03-03-2011 |
20110200137 | APPARATUS AND METHOD FOR TRANSMITTING AND RECEIVING CHANNEL STATE INFORMATION REFERENCE SYMBOL IN RELAY NETWORK SYSTEM - An apparatus and method for transmitting/receiving a Channel State Information-Reference Symbol (CSI-RS) in a relay network system are provided. The method for transmitting a CSI-RS in a relay network system includes selecting a subframe to transmit a CSI-RS, from DownLink (DL) subframes, transmitting, to a receive end, identifying information indicating that a CSI-RS is transmitted at the selected subframe, and transmitting a CSI-RS at the selected subframe. | 08-18-2011 |
20110201370 | METHOD AND APPARATUS FOR TRANSMITTING AND RECEIVING DATA OVER CARRIER COMPONENT IN A MULTI-CARRIER MOBILE COMMUNICATION SYSTEM - A method and apparatus for transmitting and receiving data in a multi-carrier mobile communication system are provided, in which a Mobile Station (MS) reports to a Base Station (BS) a number of Carrier Components (CCs) over which the MS can simultaneously receive data, receives from the BS monitoring CC set information indicating as many monitoring CCs as the reported number of CCs or fewer monitoring CCs than the reported number of CCs, and receives data based on the monitoring CCs indicated by the monitoring CC set information from the BS. | 08-18-2011 |
20110243015 | MULTICARRIER COMMUNICATION SYSTEM, AND ADAPTIVE CARRIER SELECTION AND LINK QUALITY REPORTING METHOD FOR THE SAME - A link quality reporting method and apparatus, and a carrier selection method and apparatus, for a multicarrier communication system utilizing carrier aggregation are disclosed. In the system, the user equipment measures, for each component carrier divided into a Physical Downlink Shared Channel (PDSCH) resource region and a Physical Downlink Control Channel (PDCCH) resource region, link quality of the PDSCH resource region and the PDCCH resource region of the component carrier and sends measured link quality information as feedback information to the base station, and the base station adaptively selects a set of component carriers for control information transmission (i.e., a PDCCH Component Carrier (CC) SET) and a set of component carriers for data transmission (i.e., a DownLink (DL) CC SET) on the basis of the feedback information. | 10-06-2011 |
20110269442 | METHOD AND APPARATUS FOR RECONFIGURING CONTROL CHANNEL IN WIRELESS COMMUNICATION SYSTEM - A method for receiving control information by a User Equipment (UE) in a wireless communication system is provided. The method includes monitoring channel quality of a control channel, determining whether reconfiguration of the control channel is needed, based on the channel quality of the control channel, if the reconfiguration of the control channel is needed, requesting an evolved Node B (eNB) to reconfigure the control channel, and receiving the control information through the reconfigured control channel. | 11-03-2011 |
20110271168 | APPARATUS AND METHOD FOR TRANSMITTING AND RECEIVING CONTROL INFORMATION IN MULTIPLE INPUT MULTIPLE OUTPUT SYSTEM - An apparatus and a method for transmitting and receiving control information in a Multiple Input Multiple Output (MIMO) system are provided. A method of a base station for transmitting control information to a terminal in the MIMO system includes transmitting first control information for every transmission mode except for a Multiple-User (MU)-MIMO mode, to the terminal over a control channel of a subframe, and transmitting second control information for the MU-MIMO mode to the terminal over a data channel of the subframe. | 11-03-2011 |
20120223966 | TERMINAL TO PROVIDE AUGMENTED REALITY - A terminal that displays augmented reality, allows tag information of various recognized objects to be chosen and displayed in a more efficient manner. The terminal that displays augmented reality allows the terminal to enter into an augmented reality mode is executed, and provides location information about the terminal and the recognized objects, a category selection ability to select categories of tag information, and a tag information control layout for displaying the selected tag information and different stages on a display in a more efficient manner. | 09-06-2012 |
20120327823 | APPARATUS AND METHOD FOR TRANSMITTING AND RECEIVING CONTROL INFORMATION IN A BROADBAND WIRELESS COMMUNICATION SYSTEM USING HALF FREQUENCY DIVISION DUPLEX - An apparatus and method for transmitting/receiving control information in a broadband wireless communication system using Half Frequency Division Duplex (H-FDD) are provided. An operation of a Mobile Station (MS) includes, in the case of a frame at which control information is not transmitted, performing uplink communication at a front end of the frame and, in the case of a frame at which the control information is transmitted, performing downlink communication at a front end of the frame. | 12-27-2012 |
20130010634 | METHOD AND DEVICE FOR APPLYING ADAPTIVE LINK IN COMMUNICATION SYSTEM - Provided are a method and an apparatus of transceiving a signal using a link adaptation in a communication system, particularly, a method of dividing a resource region into a plurality of resource regions, and applying different line adaptations to the resource regions. A method of controlling a link of a terminal in a mobile communication system receives at least two downlink channel signals to estimate states of received channels, generates a channel discrepancy report when states of channels exceed a preset threshold, and reports the channel discrepancy report to a base station through a preset uplink channel. A method of controlling a link of a base station receives a channel discrepancy report through an uplink channel, and determines MCS and transmission power of downlink channels based on the received channel discrepancy report and transmits the determined MCS and transmission power to the terminal through a downlink channel. | 01-10-2013 |
20140119324 | METHOD AND APPARATUS FOR TRANSMITTING AND RECEIVING DATA OVER CARRIER COMPONENT IN A MULTI-CARRIER MOBILE COMMUNICATION SYSTEM - A method for receiving data over a plurality of carrier components at a Mobile Station (MS) is provided. The method includes receiving, from a Base Station (BS), resource allocation information including a first allocation information indicating at least one resource allocated to a first carrier component in a first subframe and a second allocation information indicating at least one resource allocated to a second carrier component in a second subframe and receiving data, from the BS, on the at least one resource of the first carrier component and on the at least one resource of the second carrier component based on the resource allocation information. | 05-01-2014 |