Abstract: A transmitter beamforming technique for use in a MIMO wireless communication system determines a partial description of a reverse channel without determining a full dimensional description of the reverse channel. A correction matrix is developed from the partial description of the reverse channel and a description of the forward channel. The correction matrix is used to process signals to be transmitted via the forward channel, and a steering matrix is used to perform beamforming in the forward channel.

Abstract: A mechanism is provided to optimize performance of a storage system. A plurality of I/O requests is received. A subset of the plurality of I/O requests is selected. The size of each I/O request of the subset of the plurality of I/O requests is less than a predetermined size, but the combined size of the subset of the plurality of I/O requests is greater than the predetermined size. Furthermore, the subset of the plurality of I/O requests is associated with a single logical unit number. A data transfer command which includes the subset of the plurality of I/O requests is generated. The data transfer command is transmitted.

Abstract: A system and method in one embodiment includes modules for verifying a digital signature of a Microsoft® ActiveX® control, identifying an executable file of the ActiveX control, authorizing the executable file as an updater configured to enable trust propagation, if the digital signature is from an authorized issuer, and installing the ActiveX control. More specific embodiments include hooking an exported function in the executable file and marking a thread calling the exported function as an updater. Hooking the exported function includes patching the executable function so that when the exported function is called during execution of the executable file, a second function is executed before the exported function is executed. Other embodiments include extracting a cabinet file wrapping the ActiveX control, parsing an information file in the cabinet file, and downloading additional components for installing the ActiveX control.

Abstract: A system and method of extracting data from data packets transmitted over a wireless network includes receiving a data packet having a preamble portion and a payload portion. The preamble portion is cross correlated with a first known spreading sequence to generate a first timing signal and the preamble portion is cross correlated with a second known spreading signal to generate a frame timing signal. An impulse is detected in the first timing signal and a first timing parameter is set based upon the detected impulse in the first timing signal. An impulse is detected in the frame timing signal and a frame timing parameter is set based upon the detected impulse in the frame timing signal. Data is extracted from the received payload portion according to the first timing parameter and the frame timing parameter.

Abstract: An apparatus includes a signal generator to output one of a first sequence or a second sequence and to augment sequences with cover codes, such that a sum of out-of-phase aperiodic autocorrelation coefficients of the first sequence and the second sequence of is zero, a physical layer preamble controller to control the signal generator to generate a preamble of a data unit, including a short training field (STF) formatter to cause the signal generator to generate an STF for use in at least frame synchronization, and a long training field (LTF) formatter to cause the signal generator to generate an LTF for use in at least channel estimation, such that the STF formatter controls the signal generator to include the first sequence in a last portion of the STF, and the LTF formatter controls the signal generator to include the second sequence in a beginning portion of the LTF.

Abstract: A seal end attachment is provided and includes a vessel through which a working fluid flows, the vessel being formed to define a recess with a mating surface therein, a seal contacting the mating surface and a pressing member being more responsive to a high temperature condition associated with the flow of the working fluid than the vessel and being disposed within the recess to press the seal against the mating surface responsive to the condition being present.

Abstract: A crystalline semiconductor Schottky barrier-like diode sandwiched between two conducting electrodes is in series with a memory element, a word line and a bit line, wherein the setup provides voltage margins greater than 1V and current densities greater than 5×106 A/cm2. This Schottky barrier-like diode can be fabricated under conditions compatible with low-temperature BEOL semiconductor processing, can supply high currents at low voltages, exhibits high on-off ratios, and enables large memory arrays.

Abstract: Apparatus and methods are described for initiating an operating a high speed uplink channel. A user equipment may receive an order from a Node B triggering a feedback response. The user equipment may perform a physical random access channel (PRACH) procedure in response to receiving the order, and may also initiate a collision resolution procedure The user equipment may transmit a current channel quality indicator (CQI) of the user equipment on a high speed dedicated physical control channel (HS-DPCCH) prior to achieving collision resolution.

Abstract: A turbomachine seal assembly includes a base member, a rocker arm pivotally mounted to the base member, and a seal element fixedly mounted to the rocker arm. The seal element is configured and disposed to selectively shift relative to the base member.

Abstract: An engine system for determining an alcohol concentration in fuel is disclosed. In one example, engine throttle position, fuel pulse width, and air-fuel ratio form a basis for determining alcohol concentration of a fuel combusted in an engine. The system and its related method may improve engine operation in conjunction with detecting an alcohol concentration of a fuel.

Abstract: The present disclosure presents apparatuses and methods of accessing a communication network including obtaining extended access barring (EAB) data at a user equipment (UE), wherein the EAB data comprises an EAB uniform delay parameter, computing a uniform distribution parameter, determining an access bar period, wherein the access bar period is based on at least the EAB uniform delay parameter and the uniform distribution parameter, and initiating an access procedure to access the communication network after waiting at least the access bar period. Additionally, apparatuses and methods associated with a network apparatus controlling access to the communication network are also disclosed.

Abstract: A turbine is provided and includes a spacer having an annular body formed with opposing outward and inward surfaces and an orifice extending through the body from the outward to the inward surface, an assembly to secure the spacer around a rotor axially between sequential buckets of a forward turbine stage and an aft turbine stage, the spacer forming an annular passage around the rotor into which a fluid flows through the orifice and a circuit fluidly coupled to the annular passage to deliver the fluid from between the sequential buckets of the forward turbine stage and the aft turbine stage to an axial location forward of the forward turbine stage.

Abstract: A method and apparatus are provided for presenting a reminder for a PIM record when there may be an opportunity for personal interaction regarding the PIM record. The opportunity for personal interaction regarding the PIM record may be identified in response to a trigger condition not associated with the PIM record. In one embodiment, an opportunity for interaction regarding a PIM record may be identified using identification information associated with the trigger condition. In another embodiment, an opportunity for interaction regarding a first PIM record may be identified when there is a contact associated with the first PIM record and a second PIM record, and there is an occurrence of a trigger condition associated with a second PIM record. In some embodiments, the portable electronic device may utilize additional information to identify or verify opportunities for interaction regarding a PIM record.

Abstract: A method and apparatus for encoding video frames is described. In one embodiment, an encoding method includes jointly transforming a set of pixels into high-pass data using an orthonormal transform. The set of pixels includes at least one reference pixel and predicted pixels. The method further includes generating low-pass data using the reference pixel and the high-pass data.

Abstract: A method and apparatus for detecting variations in the forward wireless channel in a wireless communication system. A plurality of reverse channel estimates in a reverse wireless channel are monitored, and a rate of change is measured between the plurality of reverse channel estimates in the reverse wireless channel. A rate of change in the forward wireless channel is estimated from the rate of change between the plurality of reverse channel estimates in the reverse wireless channel. If the estimated rate of change in the forward wireless channel exceeds a threshold, an update of a steering matrix is initiated.

Abstract: Systems and techniques relating to wireless local area network devices include a method involving generating a baseband signal indicative of one or more symbols, modulating the baseband signal at a carrier frequency to produce a modulated signal, transmitting the modulated signal via a wireless channel, and providing a clock signal to control, in the baseband signal, a duration of the one or more symbols. Providing the clock signal can include selectively using a first clock frequency to generate a first baseband signal having a first bandwidth. Providing the clock signal can include selectively using a second, lower clock frequency to generate a second baseband signal having a second, lower bandwidth. The second clock frequency can be used to extend a wireless communication range of the wireless channel.

Abstract: One or more beamsteering matrices are applied to one or more signals to be transmitted via multiple antennas. After the one or more beamsteering matrices are applied to the one or more signals, the plurality of signals is provided to a plurality of power amplifiers coupled to the multiple antennas. Signal energies are determined for the plurality of signals provided to the plurality of power amplifiers, and relative signal energies are determined based on the determined signal energies. Output power levels of the plurality of power amplifiers are adjusted based on the determined relative signal energies.

Abstract: A series of medical instruments can be made with the use of shape memory tube with a transformation temperature that is above or below the ambient temperature. In the first case, the material behaves with the shape memory effect and in the second case the behavior is superelastic. The wall of the tube has been provided with a plurality of slots in specific places, often near or at the distal end of the instrument, and in specific arrangements which allow local variations in diameter, shape, and/or length. These variations can either be caused by the memory effect during temperature change or by superelastic behavior during change of the mechanical influences on the memory metal by the surrounding material.

Abstract: The present disclosure provides manufacturing techniques in which sophisticated high-k metal gate electrode structures may be formed in an early manufacturing stage on the basis of a selectively applied threshold voltage adjusting semiconductor alloy. In order to reduce the surface topography upon patterning the deposition mask while still allowing the usage of well-established epitaxial growth recipes developed for silicon dioxide-based hard mask materials, a silicon nitride base material may be used in combination with a surface treatment. In this manner, the surface of the silicon nitride material may exhibit a silicon dioxide-like behavior, while the patterning of the hard mask may be accomplished on the basis of highly selective etch techniques.

Abstract: Recurrent gene fusions of androgen regulated genes and ETS family member genes in prostate cancer are described. Compositions and methods having utility in prostate cancer diagnosis, research, and therapy are also provided.