Abstract: A method for transmitting and receiving a codebook subset restriction bitmap is provided. The Codebook Subset Restriction (CSR) bitmap transmission method of an evolved Node B (eNB) in transmission mode 9 for communication with 8 antenna ports includes generating a CSR bitmap including bits corresponding to restricted precoding matrix indicators and rank indicators that are not allowed for reporting and transmitting the CSR bitmap to a User Equipment (UE). The CSR bitmap comprises 53 bits corresponding to a first codebook and 56 bits corresponding to a second codebook, the 53 bits corresponding to a first codebook comprise 16, 16, 4, 4, 4, 4, and 1 bits for layers 1, 2, 3, 4, 5, 6, 7, and 8, respectively, and the 56 bits corresponding to a second codebook comprise 16, 16, 16 and 8 bits for layers 1, 2, 3, and 4, respectively.

Abstract: Methods and apparatuses are described for the transmission of Scheduling Assignments (SAs) from a base station to User Equipments (UEs) for data reception in the downlink or data transmission in the uplink of a communication system consisting of multiple Component Carriers (CCs). The SAs are separately coded and transmitted using elementary units (Control Channel Elements or CCEs). Locations of CCEs determine whether an SA is intended for a first CC or for a second CC. Further, the location of CCEs for an SA intended for a first CC is used to determine locations of CCEs for an SA intended for a second CC.

Abstract: Feedback methods and apparatuses are provided for efficiently feeding back downlink Channel State Information (CSI) using limited information in a DAS-based wireless communication system. A method includes determining, by a receiver, a candidate Antenna Port (AP) set from among a plurality of APs; selecting an active AP set from the candidate AP set; and transmitting the candidate AP set, the active AP set, and the downlink CSI of active APs included in the active AP set.

Abstract: There is provided a probe card comprising a plurality of probe tips, each being ball-shaped or pillar-shaped and having a top end in contact with each of target chip pads to be tested; a first space converting unit; a second space converting unit; a frame configured to support the second space converting unit; an interposer unit; and a circuit board.

Abstract: An active balancing control apparatus and method with an active balancing algorithm to charge and discharge a plurality of batteries connected in series. The active balancing control apparatus may be designed to simultaneously charge and discharge a plurality of batteries, connected in series and having different charge/discharge characteristics, using an active balancing circuit. The apparatus may perform switching to achieve balancing of each of the batteries so that all the batteries may be charged at a maximum voltage.

Abstract: A monitoring apparatus and method of a battery contact point that autonomously measures contact resistances of a contact terminal for directly connecting a battery for charging/discharging and a circuit in a charge/discharge apparatus for charging/discharging a single secondary battery or a plurality of secondary batteries in series.

Abstract: A base station includes a transmit path circuitry to transmit an uplink grant to a subscriber station. The uplink grant indicating a first MCS value for a first codeword transmission and a second MCS value for a second codeword transmission. The base station also includes a receive path circuitry configured to receive a MIMO uplink subframe from the subscriber station, the MIMO uplink subframe having a first subset of layers used for the first codeword transmission and a second subset of layers used for the second codeword transmission. ACK/NACK information and RI information are repeated on both the first and second subsets of layers, and CQI is spatially multiplexed on either the first subset or the second subset of layers. If the first MCS value is different from the second MCS value, the CQI is spatially multiplexed onto the subset of layers having a higher MCS value.

Abstract: Methods and apparatus for receiving/transmitting an Acknowledgement (ACK)/Negative Acknowledgement (NACK) signal in a wireless communication system are provided. User data and a pilot are transmitted via an uplink channel. An ACK/NACK resource is identified based on a resource index of the transmitted user data. The ACK/NACK signal corresponding to the transmitted user data is received using the ACK/NACK resource.

Abstract: Methods and apparatuses are provided for Channel State Information (CSI) feedback. An Uplink (UL) grant is received from a Node B. Information included in the UL grant is identified. If the information is mapped to at least one DownLink (DL) Component Carrier (CC) based on configuration information relating to at least one set including the at least one DL CC, at least one CSI corresponding to the at least one DL CC is generated. The generated at least one CSI is transmitted to the Node B.

Abstract: Methods and apparatus are provided for transmitting and receiving data in a communication system with a plurality of antennas. A method includes informing information related to a transmission time interval for transmission based on a second type reference signal; and transmitting data based on the second type reference signal in the transmission time interval defined by the information related to the transmission time interval for transmission based on the second type reference signal. The transmission time interval defined by the information related to the transmission time interval for transmission based on the second type reference signal is located on a fixed position within a period including a plurality of transmission time intervals.

Abstract: Methods and apparatuses are provided for transmitting control information to a terminal, by a base station, in a Multiple Input Multiple Output (MIMO) mobile communication system. The control information is generated including a field indicating either a precoding scheme or a pilot format according to a type of pilot used for data demodulation in the terminal. The control information is transmitted to the terminal.

Abstract: An apparatus and method are provided for transmitting a symbol group in a mobile communication system. The method includes generating a symbol group to which an orthogonal sequence is applied; mapping the generated symbol group to an Orthogonal Frequency Division Multiple (OFDM) symbol based on a symbol group index and a Physical HARQ Indicator Channel (PHICH) group index; and transmitting the mapped symbol group. The generated symbol group is mapped to the OFDM symbol in an alternating pattern in accordance with the symbol group index.

Abstract: An initial access method of a user equipment (UE) and an apparatus performing the same are provided. The initial access method of a user equipment attempting access a macro cell base station in a network with which the macro cell base station and at least one Femto cell base station share, includes: receiving a cell ID from the macro cell base station or the Femto cell base station; transmitting an interference control request message to the Femto call base station when the received cell ID is a Femto cell ID; and receiving a macro cell ID provided from the macro cell base station when an interference control response message is received from the Femto cell base station to attempt an initial access. When a macro UE near to a Femto cell base station attempts to access a macro cell, it searches an ID of the macro cell through interference control from the Femto call base station to achieve initial access.

Abstract: A window configured to be laminated on a display panel by resin, the display panel including a display area configured to display an image and a non-display area adjacent the display area includes a window main body configured to cover the display panel; a groove in a region corresponding to the non-display area of the display panel, the groove being recessed from a surface of the window main body facing the display panel; and a touch portion within the groove and configured to recognize a touch.

Abstract: An algorithm and a direct current (DC) microgrid charge/discharge system with the algorithm are provided that noticeably increases charge/discharge voltage during charging and discharging by connecting a plurality of secondary batteries in series, compared to a single battery, that increases power conversion efficiency of a DC-to-DC (DC/DC) converter for charge/discharge power control by setting an appropriate voltage of a DC microgrid to be about twice a maximum voltage of a battery group, that enables charging and discharging to be stably performed regardless of a change in the battery group by adding a linear constant current source, that increases power conversion efficiency of the DC microgrid charge/discharge system by configuring a DC energy storage system (ESS) used for both charging and discharging with a combination of a typical electrolytic condenser and a super condenser or a group of the secondary batteries, and that simplifies the DC microgrid charge/discharge system.

Abstract: In a wireless network that operates according to the Long-Term Evolution Advanced standard, a mobile station determines a number of resource elements to be used for HARQ-ACK (hybrid automatic-repeat-request acknowledgement information) or RI (rank indication) on a MIMO (multiple-input multiple-output) PUSCH (physical uplink shared channel). In an embodiment, the mobile station determines a number O of bits in a payload for HARQ-ACK or RI. When the payload O is within a first range, the mobile station determines a minimum number Qmin of resource elements to be used according to a first equation. When the payload O is within a second range, the mobile station determines the minimum number Qmin of resource elements to be used according to a second equation. The mobile station then determines the number Q? of resource elements according to Qmin and a third equation.

Abstract: An apparatus and a method are provided for transmitting feedback information by a User Equipment (UE) in a communication system. The method includes generating, by the UE, first feedback information; transmitting the first feedback information at a first time point in a first period; generating second feedback information; and transmitting the second feedback information at a second time point in a second period. The first time point and the second time point are different points from start points of the first period and the second period, respectively.

Abstract: A touch key assembly includes a light guiding film between a window and a display panel, a flexible printed circuit (FPC) film attached to the light guiding film, and an attaching member including an attaching portion interposed between the light guiding film and the window, and a blocking portion interposed between the window and the display panel.

Abstract: An apparatus and method for transmitting/receiving data in a mobile communication system using multiple antennas are provided. A receiver estimates a fading channel of received data, selects a weight set relative to a maximum data transmission rate from at least one weight set with elements of a plurality of orthogonal weight vectors, and transmits feedback information including the selected weight set and channel-by-channel state information to a transmitter. The transmitter demultiplexes data to be transmitted on a basis of the feedback information into at least one sub-data stream, multiplies each sub-data stream by an associated weight, and transmits the data.