Abstract: Disclosed are a method and an apparatus for detecting a cell outage and controlling transmission power. The method of detecting the cell outage includes: receiving a Radio Link Failure (RLF) message from a User Equipment (UE) or an adjacent BS; acquiring Reference Signal Received Power (RSRP) and Reference Signal Received Quality (RSRQ) of the UE with respect to a serving cell and adjacent cells before RLF generation, which are included in the RLF message; calculating a Signal to Interference plus Noise Ratio (SINR) of the serving cell by using the acquired RSRP and RSRQ; calculating an SINR of a best adjacent cell having a largest RSRP among the adjacent cells of the UE by using the acquired RSRP and RSRQ; and comparing an SINR of a best cell having a largest SINR between the serving cell and the best adjacent cell with a preset reference value and determining whether the cell outage has been generated.

Abstract: A method and an apparatus for managing Sounding Reference Signal (SRS) resources in a wireless communication system are provided. A method of a base station for managing SRS resources includes receiving an allocation of SRS resources from a system controller, allocating SRS resources to connected terminals that are connected to the BS, determining a number of residual SRS resources varying according to the number of connected terminals, and transmitting one of an additional SRS resource allocation request and an allocated SRS resource return request to the system controller according to the number of residual SRS resources.

Abstract: The present invention relates to 1.5 hydrate of of 1-{(2S)-2-amino-4-[2,4-bis(trifluoromethyl)-5,8-dihydropyrido[3,4-d]pyrimidin-7(6H)-yl]-4-oxobutyl}-5,5-difluoropiperidin-2-one tartrate, a process for preparing the same, and a pharmaceutical composition for inhibiting DPP-IV, which comprises said compound as the active component.

Abstract: The present invention relates to a novel method for preparing a compound of formula (2) as the intermediate, which can be effectively used for preparation of a compound of formula (1) exhibiting good inhibitory activity against dipeptidyl peptidase IV enzyme.

Abstract: An apparatus and a method manage a neighbor base station list (NBL) in a distributed wireless ad-hoc network. Information of neighbor BSs is collected at the BS using a surrounding environment detection function. Neighbor BSs that satisfy a certain condition are determined, among the neighbor BSs from which the information is collected. And the NBL is generated based on the determined neighbor BSs.

Abstract: In accordance with the present invention, there is provided multiple embodiments of a semiconductor package including one or more semiconductor dies which are electrically connected to an underlying substrate through the use of a conductive pattern which is at least partially embedded in a patterning layer of the package. In a basic embodiment of the present invention, the semiconductor package comprises a substrate having a conductive pattern disposed thereon. Electrically connected to the conductive pattern of the substrate is at least one semiconductor die. The semiconductor die and the substrate are at least partially encapsulated by a patterning layer. Embedded in the patterning layer is a wiring pattern which electrically connects the semiconductor die to the conductive pattern. A portion of the wiring pattern is exposed in the patterning layer.

Abstract: Disclosed are a method and an apparatus for detecting a cell outage and controlling transmission power. The method of detecting the cell outage includes: receiving a Radio Link Failure (RLF) message from a User Equipment (UE) or an adjacent BS; acquiring Reference Signal Received Power (RSRP) and Reference Signal Received Quality (RSRQ) of the UE with respect to a serving cell and adjacent cells before RLF generation, which are included in the RLF message; calculating a Signal to Interference plus Noise Ratio (SINR) of the serving cell by using the acquired RSRP and RSRQ; calculating an SINR of a best adjacent cell having a largest RSRP among the adjacent cells of the UE by using the acquired RSRP and RSRQ; and comparing an SINR of a best cell having a largest SINR between the serving cell and the best adjacent cell with a preset reference value and determining whether the cell outage has been generated.

Abstract: A zoom lens barrel assembly includes: a first zoom ring comprising a first protrusion; a guide ring disposed around the first zoom ring comprising a first guide slot through which the first protrusion passes, and a second guide slot; a second zoom ring comprising a second protrusion, and movable in an axial direction; a first cylinder comprising a guide groove into which the second protrusion inserts, and a third protrusion passing through the second guide slot, and disposed between the first and second zoom rings; a second cylinder disposed around the guide ring comprising a fourth protrusion, a first groove portion into which the first protrusion inserts, and a second groove portion into which the third protrusion inserts, and supporting the first zoom ring and the first cylinder; and an external cylinder disposed around the second cylinder and comprising a third groove portion into which the fourth protrusion inserts.

Abstract: A zoom lens barrel assembly includes: a first zoom ring comprising a first protrusion; a guide ring disposed around the first zoom ring comprising a first guide slot through which the first protrusion passes, and a second guide slot; a second zoom ring comprising a second protrusion, and movable in an axial direction; a first cylinder comprising a guide groove into which the second protrusion inserts, and a third protrusion passing through the second guide slot, and disposed between the first and second zoom rings; a second cylinder disposed around the guide ring comprising a fourth protrusion, a first groove portion into which the first protrusion inserts, and a second groove portion into which the third protrusion inserts, and supporting the first zoom ring and the first cylinder; and an external cylinder disposed around the second cylinder and comprising a third groove portion into which the fourth protrusion inserts.

Abstract: Disclosed is a bias circuit which includes a bias voltage generating part configured to generate a bias voltage using a reference current and a variable current; a reference current source part configured to provide the reference current to the bias voltage generating part; and a current adjusting part configured to provide the variable current to the bias voltage generating part and to adjust the amount of the variable current according to voltage levels of at least two input signals. The bias circuit prevents an increase in power consumption and improves a slew rate at the same time.

Abstract: A zoom lens barrel assembly including: a first zoom ring comprising a first protrusion; a guide ring disposed around the first zoom ring comprising a first guide slot through which the first protrusion passes, and a second guide slot; a second zoom ring comprising a second protrusion, and movable in an axial direction; a first cylinder comprising a guide groove into which the second protrusion inserts, and a third protrusion passing through the second guide slot, and disposed between the first and second zoom rings; a second cylinder disposed around the guide ring comprising a fourth protrusion, a first groove portion into which the first protrusion inserts, and a second groove portion into which the third protrusion inserts, and supporting the first zoom ring and the first cylinder; and an external cylinder disposed around the second cylinder and comprising a third groove portion into which the fourth protrusion inserts.

Abstract: The present invention relates to 1.5 hydrate of of 1-{(2S)-2-amino-4-[2,4-bis (trifluoromethyl)-5,8-dihydropyrido[3,4-d]pyrimidin-7(6H)-yl]-4-oxobutyl}-5,5-di-fluoropiperidin-2-one tartrate, a process for preparing the same, and a pharmaceutical composition for inhibiting DPP-IV, which comprises said compound as the active component.

Abstract: Provided is a clock timing adjustment device for adjusting a time difference of clocks and a delta-sigma modulator. The clock timing adjustment device includes a power detection unit and a timing adjustment unit. The power detection unit receives input signals which are generated using pairs of first and second clocks having a plurality of clock time differences and respectively correspond to the clock time differences, detects powers of the input signals, and outputs a control signal corresponding to a clock time difference where the power is minimized. The timing adjustment unit receives a reference clock and the control signal and outputs the first and second clocks having the clock time difference where the power is minimized from the reference clock according to the control signal.

Abstract: The present invention relates to a novel method for preparing a compound of formula (2) as the intermediate, which can be effectively used for preparation of a compound of formula (1) exhibiting good inhibitory activity against dipeptidyl peptidase IV enzyme.

Abstract: A zoom lens barrel assembly includes: a zoom ring having a cylindrical shape, and comprising an inlet portion formed in a boundary of one end thereof and a first protrusion; a guide ring disposed around the zoom ring, and comprising a first guide hole through which the first protrusion passes, and movably supporting the zoom ring in an axial direction, and a second guide hole; and a cylinder disposed in the zoom ring, for moving and rotating between a position where the cylinder is accommodated in the zoom ring and a position where the cylinder moves away from the zoom ring in the axial direction, and comprising a second protrusion that passes through the second guide hole, accommodated in the inlet portion at the position where the cylinder is accommodated, and pressing one end of the inlet portion when the cylinder moves away from the zoom ring.

Abstract: An apparatus and method for supporting Peer to Peer (P2P) communication in a broadband wireless communication system are provided. A P2P zone within a frame used for the P2P communication includes at least one channel, each channel includes a broadcasting zone and a contention zone, and a P2P-mode transmit Mobile Station (MS) transmits a reference signal through a broadcasting zone of a channel to which itself belongs. The method MS includes determining an interference sum for each channel within the P2P zone, comparing the determined interference sums with each other, selecting a channel having the least interference sum, and transmitting information regarding the selected channel to a Base Station (BS).

Abstract: A zoom lens barrel assembly including: a first zoom ring comprising a first protrusion; a guide ring disposed around the first zoom ring comprising a first guide slot through which the first protrusion passes, and a second guide slot; a second zoom ring comprising a second protrusion, and movable in an axial direction; a first cylinder comprising a guide groove into which the second protrusion inserts, and a third protrusion passing through the second guide slot, and disposed between the first and second zoom rings; a second cylinder disposed around the guide ring comprising a fourth protrusion, a first groove portion into which the first protrusion inserts, and a second groove portion into which the third protrusion inserts, and supporting the first zoom ring and the first cylinder; and an external cylinder disposed around the second cylinder and comprising a third groove portion into which the fourth protrusion inserts.

Abstract: A zoom lens barrel assembly includes: a zoom ring having a cylindrical shape, and comprising an inlet portion formed in a boundary of one end thereof and a first protrusion; a guide ring disposed around the zoom ring, and comprising a first guide hole through which the first protrusion passes, and movably supporting the zoom ring in an axial direction, and a second guide hole; and a cylinder disposed in the zoom ring, for moving and rotating between a position where the cylinder is accommodated in the zoom ring and a position where the cylinder moves away from the zoom ring in the axial direction, and comprising a second protrusion that passes through the second guide hole, accommodated in the inlet portion at the position where the cylinder is accommodated, and pressing one end of the inlet portion when the cylinder moves away from the zoom ring.

Abstract: Disclosed is a bias circuit which includes a bias voltage generating part configured to generate a bias voltage using a reference current and a variable current; a reference current source part configured to provide the reference current to the bias voltage generating part; and a current adjusting part configured to provide the variable current to the bias voltage generating part and to adjust the amount of the variable current according to voltage levels of at least two input signals. The bias circuit prevents an increase in power consumption and improves a slew rate at the same time.

Abstract: Provided is a clock timing adjustment device for adjusting a time difference of clocks and a delta-sigma modulator. The clock timing adjustment device includes a power detection unit and a timing adjustment unit. The power detection unit receives input signals which are generated using pairs of first and second clocks having a plurality of clock time differences and respectively correspond to the clock time differences, detects powers of the input signals, and outputs a control signal corresponding to a clock time difference where the power is minimized. The timing adjustment unit receives a reference clock and the control signal and outputs the first and second clocks having the clock time difference where the power is minimized from the reference clock according to the control signal.