Abstract: A transmitter and/or receiver for performing frequency domain equalization is provided. A transmitter includes a pilot position determination unit for determining positions for inserting pilots in a frequency domain based on frequency spectrums of data, and a pilot insertion unit for inserting the pilots between the frequency spectrums of the data according to the determined positions for inserting the pilots.

Abstract: A method of manufacturing a light emitting diode, includes a process of forming an n-type nitride semiconductor layer, a light emitting layer, and a p-type nitride semiconductor layer on a temporary substrate, a process of forming a p-type electrode on the p-type nitride semiconductor layer, a process of forming a conductive substrate on the p-type electrode, a process of removing the temporary substrate to expose the n-type nitride semiconductor layer, a process of forming a nanoimprint resist layer on the n-type nitride semiconductor layer, a process of pressing the nanoimprint mold on the nanoimprint resist layer to transfer the nano-pattern onto the nanoimprint resist layer, and a process of separating the nanoimprint mold from the nanoimprint resist layer having the nano-pattern and etching a portion of the nanoimprint resist layer having the nano-pattern to form an n-type electrode.

Abstract: A method for detecting a radio signal in a wireless communication system is provided. According to the method, a wireless device measures an input signal received by a RF unit of. The wireless device eliminates a duplicated part between the input signal and a complex conjugate signal of the input signal to generate a filtered signal. The wireless device determines whether a target signal exists in the input signal based on the filtered signal.

Abstract: In an aspect, a method for transmitting data in a wireless communication system is provided. A wireless device determines a subcarrier and a subcarrier group to which a data sequence is allocated. The wireless device modulates the data sequence by a transmit filter to generate a data stream. A waveform of the transmit filter is determined based on the subcarrier and the subcarrier group. The wireless device generates a transmission signal based on the data stream. The wireless device transmits the transmission signal through the subcarrier. The transmission signal is cyclostationary.

Abstract: Provided are a vertical-type light emitting device and a method of manufacturing the same. The light emitting device includes a p-type semiconductor layer, an active layer, and an n-type semi-conductor layer that are stacked, a cover layer disposed on a p-type electrode layer to surround the p-type electrode layer, a conductive support layer disposed on the cover layer, and an n-type electrode layer disposed on the n-type semiconductor layer.

Abstract: A method for allocating resources in a wireless communication system is provided. A base station receives a maximum transmission power from a first wireless device. The base station allocates a resource to the first wireless device based on a ratio of the maximum transmission power to a maximum available resource.

Abstract: A personalization recommendation service providing method and system, based on a personal tendency provides a personally targeted recommendation list by re-ranking a candidate recommendation list obtained through a predetermined recommendation technique, by acquiring a user tendency profile and the candidate recommendation list, re-ranking the candidate recommendation list according to the user tendency profile, and generating the targeted recommendation list based on recommendation contents by the re-ranking of the candidate recommendation list.