Abstract: A semiconductor apparatus and a design method for the semiconductor apparatus allow debugging or repairs by using a spare cell. The semiconductor apparatus includes a plurality of metal layers. At least one repair block performs a predetermined function. A spare block is capable of substituting for a function of the repair block. And at least one of the plurality of metal layers is predetermined to be a repair layer for error revision. At least one pin of the repair block is connected to the repair layer through a first pin extension, and at least one pin of the spare block is capable of extending to the repair layer. When the repair block is to be repaired, the pin extension of the repair layer and the repair block is disconnected, and at least one pin of the spare block is connected to the repair layer through a second pin extension.

Abstract: A decoding apparatus and method of a terminal in a wireless communication system are provided. A carrier to interference and noise ratio (CINR) estimator estimates a CINR value of a received signal, and a controller generates a modulation and coding scheme (MCS) level candidate set satisfying the estimated CINR value and a target packet error rate (PER) based on a look-up table. A decoder switch determines if an MCS level of a burst is included in the MCS level candidate set when the burst having no connection identifier (CID) information exists in a corresponding frame, and determines to decode the corresponding burst if the MCS level of the burst is included in the MCS level candidate set and to discard the burst otherwise.

Abstract: A packet decoding method and apparatus of a digital broadcast system is provided for improving decoding performance by reordering blocks to be decoded and adjusting a number of decoding iterations of each block. A packet decoding method of the present invention includes measuring Signal-to-Noise Ratios (SNRs) of individual packets within a slot, determining a decoding order of the packets according to the SNRs, and decoding the packets in the decoding order. The decoding method and apparatus of a digital broadcast system according to the present invention performs decoding on the packets having the highest channel estimation performance first with reduced number of decoding iterations and reallocates the saved number of decoding iterations to remaining packets having relatively low channel estimation performance, thereby improving the decoding performance of the received packets.

Abstract: An apparatus and a method for controlling power consumption in a system having a plurality of modems are provided. In the method, whether an interrupt is generated in each modem is detected. An amount of current consumption of the system at a processing point of the generated interrupt is determined. The amount of current consumption of the system is compared with a threshold, so that the processing point of the generated interrupt is controlled.

Abstract: Channel estimation in a broadband wireless communication system is provided. A receiver includes a frequency interpolator for interpolating in a frequency axis using at least one of channel estimation values estimated through pilot signals and channel estimation values generated using a time-axis interpolation, a determiner for determining a compensation coefficient to compensate for edge distortion using the channel estimation values estimated through the pilot signals, and a compensator for generating a completed channel estimation value by multiplying a channel estimation value generated by interpolating in the frequency axis, by the compensation coefficient.

Abstract: A channel determination apparatus and method for a broadcast receiver are provided. The method includes estimating, when the broadcast receiver operates in a sleep state over a preset time period, inter-modulation distortion interference of a plurality of channels by scanning the channels, and receiving, when the sleep state is transitioned to an active state, broadcast data on a channel having the least inter-modulation distortion interference. Accordingly, the inter-modulation distortion interference of individual channels is taken into account to select an optimum channel, thereby resulting in improvement of channel determination accuracy.

Abstract: A receiving method and apparatus for combining Hybrid Automatic Repeat Request (HARQ) data in a wireless communication system are provided. More particularly, a method and apparatus for increasing HARQ combining capability while effectively using a limited-sized memory are provided. The receiving method for combining the HARQ data includes predicting a maximum size of currently receivable data, converting HARQ data received from a transmitting end into Log Likelihood Ratio (LLR) information, determining whether the received HARQ data is retransmitted data, if the determination result shows that the HARQ data is not the retransmitted data, determining whether the converted LLR information is compressed according to the predicted maximum data size, and storing the converted LLR information in a memory according to the determination result on whether compression is necessary.

Abstract: In the power saving, a method for saving power at a receiver of a mobile communication system includes acquiring Carrier to Interference plus Noise Ratio (CINR) and Modulation and Coding Scheme (MCS) information required by the receiver; determining the number of Least Significant Bits (LSBs) to hold based on the CINR and MCS information; and holding LSBs of the determined number of the bits in received information.

Abstract: A semiconductor apparatus and a design method for the semiconductor apparatus allow debugging or repairs by using a spare cell. The semiconductor apparatus includes a plurality of metal layers. At least one repair block performs a predetermined function. A spare block is capable of substituting for a function of the repair block. And at least one of the plurality of metal layers is predetermined to be a repair layer for error revision. At least one pin of the repair block is connected to the repair layer through a first pin extension, and at least one pin of the spare block is capable of extending to the repair layer. When the repair block is to be repaired, the pin extension of the repair layer and the repair block is disconnected, and at least one pin of the spare block is connected to the repair layer through a second pin extension.

Abstract: Channel estimation in a broadband wireless communication system is provided. A receiver includes a frequency interpolator for interpolating in a frequency axis using at least one of channel estimation values estimated through pilot signals and channel estimation values generated using a time-axis interpolation, a determiner for determining a compensation coefficient to compensate for edge distortion using the channel estimation values estimated through the pilot signals, and a compensator for generating a completed channel estimation value by multiplying a channel estimation value generated by interpolating in the frequency axis, by the compensation coefficient.

Abstract: A packet decoding method and apparatus of a digital broadcast system is provided for improving decoding performance by reordering blocks to be decoded and adjusting a number of decoding iterations of each block. A packet decoding method of the present invention includes measuring Signal-to-Noise Ratios (SNRs) of individual packets within a slot, determining a decoding order of the packets according to the SNRs, and decoding the packets in the decoding order. The decoding method and apparatus of a digital broadcast system according to the present invention performs decoding on the packets having the highest channel estimation performance first with reduced number of decoding iterations and reallocates the saved number of decoding iterations to remaining packets having relatively low channel estimation performance, thereby improving the decoding performance of the received packets.

Abstract: A scheduling method is provided for processing data in a communication system. The method includes performing downlink MAP (DL-MAP) decoding; generating a configuration table through the DL-MAP decoding; and processing data in a predetermined unit according to the generated configuration table.

Abstract: A channel determination apparatus and method for a broadcast receiver are provided. The method includes estimating, when the broadcast receiver operates in a sleep state over a preset time period, inter-modulation distortion interference of a plurality of channels by scanning the channels, and receiving, when the sleep state is transitioned to an active state, broadcast data on a channel having the least inter-modulation distortion interference. Accordingly, the inter-modulation distortion interference of individual channels is taken into account to select an optimum channel, thereby resulting in improvement of channel determination accuracy.

Abstract: An apparatus and method for canceling an interference signal in a broadband wireless communication system are provided. A receiver of a wireless communication system includes at least two receive antennas for receiving a target signal of a serving base station and interference signals of at least one neighbor base station; a channel estimator for estimating channels of the signals received through the receive antennas; and a detector for detecting the target signal using channel estimation values of the received signals. Accordingly, it is possible to reduce error propagation caused by the incorrect estimation and detection of the interference signal. In addition, time delay for detecting/restoring/removing the interference signal does not occur. Moreover, the increase of additional buffers can be prevented. Consequently, the increase of hardware complexity can be prevented.

Abstract: An apparatus and a method for controlling power consumption in a system having a plurality of modems are provided. In the method, whether an interrupt is generated in each modem is detected. An amount of current consumption of the system at a processing point of the generated interrupt is determined. The amount of current consumption of the system is compared with a threshold, so that the processing point of the generated interrupt is controlled.

Abstract: An image forming device and a controlling method thereof, in which the image forming device includes: a customer replaceable unit memory (CRUM) associated with a recording material storage medium to store a color conversion table group including a color conversion table that corresponds to status information of the image forming device, and a controller to determine current status information of the image forming device, to read a target color conversion table from among the color conversion table group according to the determined current status information, and to apply the target color conversion table to perform a printing operation on a document. Therefore, an optimum print quality can be guaranteed according to the determined current status of the image forming device.

Abstract: A receiving method and apparatus for combining Hybrid Automatic Repeat Request (HARQ) data in a wireless communication system are provided. More particularly, a method and apparatus for increasing HARQ combining capability while effectively using a limited-sized memory are provided. The receiving method for combining the HARQ data includes predicting a maximum size of currently receivable data, converting HARQ data received from a transmitting end into Log Likelihood Ratio (LLR) information, determining whether the received HARQ data is retransmitted data, if the determination result shows that the HARQ data is not the retransmitted data, determining whether the converted LLR information is compressed according to the predicted maximum data size, and storing the converted LLR information in a memory according to the determination result on whether compression is necessary.

Abstract: An apparatus and method for automatically adjusting toner density in a color printer,. The apparatus includes a toner quantity adjusting module for reading remaining toner quantities from a plurality of cartridges, respectively, comparing a lowest level of the remaining toner quantities with a reference remaining quantity range to determine whether or not the lowest level is in the reference remaining quantity range, and applying a masking table, in which toner density matching the lowest level is set, to the remaining cartridges. Accordingly, toners can be fixed at the toner density matching the remaining toner quantity in the cartridges of the color printer so as to maintain optimum color density substantially equal to that of the original data, thereby providing a user with a printed material of desirable colors.

Abstract: A decoding apparatus and method of a terminal in a wireless communication system are provided. A carrier to interference and noise ratio (CINR) estimator estimates a CINR value of a received signal, and a controller generates a modulation and coding scheme (MCS) level candidate set satisfying the estimated CINR value and a target packet error rate (PER) based on a look-up table. A decoder switch determines if an MCS level of a burst is included in the MCS level candidate set when the burst having no connection identifier (CID) information exists in a corresponding frame, and determines to decode the corresponding burst if the MCS level of the burst is included in the MCS level candidate set and to discard the burst otherwise.

Abstract: An apparatus and method for canceling an interference signal in a broadband wireless communication system are provided. A receiver of a wireless communication system includes at least two receive antennas for receiving a target signal of a serving base station and interference signals of at least one neighbor base station; a channel estimator for estimating channels of the signals received through the receive antennas; and a detector for detecting the target signal using channel estimation values of the received signals. Accordingly, it is possible to reduce error propagation caused by the incorrect estimation and detection of the interference signal. In addition, time delay for detecting/restoring/removing the interference signal does not occur. Moreover, the increase of additional buffers can be prevented. Consequently, the increase of hardware complexity can be prevented.