摘要:
The present disclosure provides a method and a receiver for detecting synchronization in a Time Division-Synchronous Code Division Multiple Access (TD-SCDMA) system. The receiver includes a reception unit that receives a synchronization signal including an interference signal from at least one adjacent cell; and a synchronization detector that cancels the interference signal included in the synchronization signal based on a serial interference cancellation, and detects the synchronization based on the synchronization signal, from which the interference signal is canceled.
摘要:
An apparatus and a method for estimating a Channel Impulse Response (CIR) with respect to a location where a power of a channel exists are provided to enhance a channel estimator in a mobile communication system. The apparatus includes a CIR searcher for selecting a CIR group that is a region where a channel power exists, a CIR estimation part for estimating a CIR of the selected CIR group, and a Discrete Fourier Transform (DFT) for performing a DFT on the estimated CIR.
摘要:
The present disclosure provides a method and a receiver for detecting synchronization in a Time Division-Synchronous Code Division Multiple Access (TD-SCDMA) system. The receiver includes a reception unit that receives a synchronization signal including an interference signal from at least one adjacent cell; and a synchronization detector that cancels the interference signal included in the synchronization signal based on a serial interference cancellation, and detects the synchronization based on the synchronization signal, from which the interference signal is canceled.
摘要:
There is a need for a window blind assembly for a vehicle, in which vibration and noise are reduced when a shade curtain moves and which is convenient to be transported. The window blind assembly for a vehicle includes: a main frame; a pair of connection units arranged in the main frame; a rotary shaft rotationally arranged in the connection units; a pair of guide rails rotationally arranged in the connection units and formed with guide grooves; a shade curtain supporter movably coupled to the guide grooves of the pair of guide rails; a shade curtain including one side end portion connected to the rotary shaft and rolled into the rotary shaft, and the other side end portion connected to the shade curtain supporter and unrolled as the shade curtain supporter becomes apart from the rotary shaft; and a driving unit providing driving force to move the shade curtain supporter along the guide rail.
摘要:
There is a need for a window blind assembly for a vehicle, in which vibration and noise are reduced when a shade curtain moves and which is convenient to be transported. The window blind assembly tor a vehicle includes: a main frame; a pair of connection units arranged in the main frame; a rotary shaft rotationally arranged in the connection units; a pair of guide rails rotationally arranged in the connection units and formed with guide grooves; a shade curtain supporter movably coupled to the guide grooves of the pair of guide rails; a shade curtain including one side end portion connected to the rotary shaft and rolled into the rotary shaft, and the other side end portion connected to the shade curtain supporter and unrolled as the shade curtain supporter becomes apart from the rotary shaft; and a driving unit providing driving force to move the shade curtain supporter along the guide rail.
摘要:
There is a need for a window blind assembly for a vehicle, in which vibration and noise are reduced when a shade curtain moves. The window blind assembly for a vehicle includes: a main frame; a rotary shaft rotatably arranged in the main frame; a pair of guide rails arranged in the main frame and formed with a guide groove; a shade curtain supporter movably coupled to the pair of guide rails; a shade curtain including one side end portion connected to the rotary shaft and rolled into the rotary shaft, and the other side end portion connected to the shade curtain supporter and unrolled as the shade curtain supporter becomes apart from the rotary shaft; and a driving unit providing driving force to move the shade curtain supporter along the guide rail, the driving unit including: a motor; a gear assembly connected to the motor; and a first wire having a closed-loop shape and connected to the gear assembly so that driving force of the motor can be transferred to the shade curtain supporter.
摘要:
An apparatus and method for estimating a channel in an Orthogonal Frequency Division Multiplexing (OFDM) system is provided. The apparatus and method includes estimating a channel corresponding to a pilot of a received signal, performing a first estimation on a data channel by performing time-domain linear interpolation on pilots of previous and next symbols of the pilot using the channel estimate, performing Infinite Impulse Response (IIR) filtering on the channel estimate and the data channel estimate of the pilots of the previous and next symbols of the pilot, and performing a second estimation on the data channel by performing frequency-domain linear interpolation on a remaining zone which excludes the pilot and the zone that underwent the first estimation.
摘要:
An apparatus and a method for estimating a Channel Impulse Response (CIR) with respect to a location where a power of a channel exists are provided to enhance a channel estimator in a mobile communication system. The apparatus includes a CIR searcher for selecting a CIR group that is a region where a channel power exists, a CIR estimation part for estimating a CIR of the selected CIR group, and a Discrete Fourier Transform (DFT) for performing a DFT on the estimated CIR.
摘要:
An apparatus and a method for estimating a channel in a Broadband Wireless Access (BWA) communication system are provided. The apparatus includes a subcarrier demapper for extracting pilot symbols at preset positions for a channel estimation; and a channel estimator for acquiring channel estimate values of subcarriers through an Infinite Impulse Response (IIR) filtering using the pilot symbols provided from the subcarrier demapper and a preset filter factor. Thus, the channel condition can be estimated by taking into account the channel change.
摘要:
An apparatus and method for Time-Varying Cyclic Delay Diversity (TV-CDD) in a wireless communication system are provided. The method includes, if there is a signal of an antenna path to be transmitted, determining if a current time corresponds to a preamble zone within a frame and, if the current time corresponds to the preamble zone within the frame, shifting a partial antenna path signal forward compared to a reference timing and shifting a remaining partial antenna path signal equally or backward compared to the reference timing.