| Patent application number | Description | Published |
|---|
| 20080207122 | APPARATUS AND METHOD FOR DETERMINING AN UPLINK TRANSMISSION FORMAT IN A BROADBAND WIRELESS COMMUNICATION SYSTEM - An apparatus and method in a broadband wireless communication system are provided. The apparatus includes a Base Station (BS) which includes a manager for increasing a set point associated with a Mobile Station (MS) if an error is detected in a burst received from the MS, a detector for incrementing a counter associated with the MS if a difference, between a maximum Transmission (Tx) power of the MS and a Tx power used by the MS when transmitting the burst in which the error was detected, is less than a difference threshold, and a determining unit for providing control such that a number of slots allocated to the MS decreases if the counter associated with the MS is greater than a counter threshold. | 08-28-2008 |
| 20100091730 | APPARATUS AND METHOD FOR DETERMINING UPLINK SCHEDULING PRIORITY IN BROADBAND WIRELESS COMMUNICATION SYSTEM - An apparatus and method for determining an uplink scheduling priority in a broadband wireless communication system are provided. The apparatus includes a basic priority determination unit for calculating a basic priority metric of at least one Mobile Station (MS), a calculation unit for calculating a correction value for considering an interference level with respect to the basic priority metric by using downlink channel quality of each MS, and a final priority determination unit for determining an uplink scheduling priority by calculating a final priority metric by using the correction value. | 04-15-2010 |
| 20100130244 | APPARATUS AND METHOD FOR CONTROLLING DATA TRANSMISSION RATE IN BROADBAND WIRELESS COMMUNICATION SYSTEM - An apparatus and a method for controlling a data transmission rate in a broadband wireless communication system are provided. In the method, an interference factor representing an interference degree by an external sector is measured. Interference given to the external sector is estimated using the interference factor, an interference weight depending on a location of a terminal, and an amount of wireless resource use of a self sector. A data transmission rate is determined with consideration of an interference estimation value and a wireless channel state of the terminal. | 05-27-2010 |
| 20100197297 | Apparatus and method for measuring uplink thermal noise power and uplink interference power in wireless communication system - An apparatus for use in a base station capable of checking whether a frequency is illegally used in a wireless communication system are provided. Operations of the base station for checking whether the frequency is illegally used includes setting a silence interval in which a resource is not allocated to a terminal, using silence interval setting information provided from a system manager; when the silence interval arrives, measuring RSSI; and transmitting the RSSI to the system manager to examine at least one of a frequency illegal use and a reception path error using the RSSI. | 08-05-2010 |
| 20110182258 | METHOD AND BASE STATION FOR ALLOCATING DOWNLINK HARQ CHANNEL IN WIRELESS COMMUNICATION SYSTEM - A method and base station are provided for allocating a Hybrid Automatic Repeat Request (HARQ) channel according to service flow types. The method allocates a DownLink (DL) HARQ channel by a base station to a mobile station which can be provided with data corresponding to at least one Service Flow (SF) in a wireless communication system. At least one of a plurality of HARQ channels is mapped to a first SF. It is determined whether to allocate the mapped at least one HARQ channel as a dedicated HARQ channel of the first SF based on whether traffic of the first SF exists in a transmission queue corresponding to the first SF. Therefore, dedicated HARQ channels for a delay intolerant SF, such as a Voice over Internet Protocol (VoIP) SF, can be managed without loss of a maximum throughput for a delay tolerant SF such as a Best Effort (BE) SF. | 07-28-2011 |
| 20110194512 | METHOD AND APPARATUS FOR RESOURCE ALLOCATION SCHEDULING IN WIRELESS COMMUNICATION SYSTEM - A method and an apparatus for resource allocation scheduling in a wireless communication system are provided. The apparatus includes a scheduler for, if an UpLink (UL) scheduling for scheduling an allocation order of UL resources is performed prior to a DownLink (DL) scheduling for scheduling an allocation order of DL resources, setting a size α representing a size in which a DL burst region is maximally allocated in a DL sub frame, for, if the DL scheduling is performed prior to the UL scheduling, setting a size β representing a size in which the DL burst region is maximally allocated in the DL sub frame, for determining whether to discard a DL Medium Access Control (MAC) management message to be transmitted by using the size β, and for, if it is not determined to discard the DL MAC management message, determining a priority of a DL scheduling and a UL scheduling by using the size α and first performing one of the DL scheduling and the UL scheduling in accordance with the determined priority. | 08-11-2011 |
| 20110218002 | APPARATUS AND METHOD FOR CONTROLLING UPLINK INTERFERENCE IN A WIRELESS COMMUNICATION SYSTEM - An apparatus and a method for controlling uplink interference in a wireless communication system. The method for controlling the uplink interference includes determining at least one interference signal power threshold determined by at least one neighbor Base Station (BS). The method also includes determining a transmit power offset for at least one serviced Mobile Station (MS) using the at least one interference signal power threshold. The method further includes sending the transmit power offset for the at least one MS to the at least one MS. | 09-08-2011 |
