Abstract: An apparatus for archiving robust channel estimation in a communication system includes a training sequence generator to generate a training sequence. A formatter inserts the training sequence to a frame. A transmitting module is employed to transmit the frame. The training sequence generator further includes a symbol generator to generate a plurality of training symbols satisfying a predetermined constraint such that the training symbols are insensitive to synchronization error and a training sequence forming unit that forms the training sequence from the training symbols generated by the training symbol generator.

Abstract: A system for measuring inter-carrier interference (ICI) in an OFDM system includes a test symbol generator coupled to a transmitter of the OFDM system to generate an N*N orthogonal matrix having N*N test symbols, and to send the test symbols in a test symbol stream via the transmitter to a receiver of the OFDM system. The N*N test symbols are arranged by the test symbol generator into an N*N orthogonal matrix before being sent to the receiver. The system also includes an ICI measuring module coupled to the receiver to detect the N*N test symbols received in the receiver and to arrange the test symbols as a receiving matrix in the same way as the orthogonal matrix in the transmitter. The ICI measuring module outputs the receiving matrix as an ICI matrix of the OFDM system, wherein an element on the kth row, lth column of the ICI matrix represents interference from the lth sub-carrier on the kth sub-carrier, wherein k?l.

Abstract: The present invention provides a recombinant bacterium and methods of using the recombinant bacterium to induce an immune response.

Abstract: Metal particulates capable of generating low levels of corrosion current beneficial for pharmaceutical, cosmetic and other medical uses are provided.

Abstract: An assembly of an magnetic capacitor with a packaging comprises: a magnetic capacitor; two packing electrodes, one of the two end electrodes including an upper magnetic casing installed upon a top surface of the capacitor and a lower magnetic casing installed at a lower surface of the capacitor; each of the upper magnetic casing and the lower magnetic casing being formed with extruding pieces which is arranged around a lateral side of the capacitor; and at least one insulation material for isolating magnetic material is arranged within the magnetic capacitor.

Abstract: A voice-controlled navigation device includes a voice control unit, a display interface, a recognition unit, and a start unit. The voice control unit receives at least one voice command, the display interface displays a menu, and the recognition unit is used for recognizing the voice command for the display interface to display at least one option. The start unit executes a navigation function according to an corresponding option of one of the at least one voice command while receiving a specific voice start command. The menu displays one or a group of different options on the menu while a different voice command is received by the voice control unit, and each of the at least one voice command corresponds to one of the at least one option displayed on the menu.

Abstract: Implantable medical devices having galvanic particulates are disclosed. The particulates may be coated onto at least part of a surface of the medical device. In addition, the galvanic particulates may be contained in the material used to manufacture the antimicrobial medical devices, or may be embedded into the surface of the medical devices. The present invention also provides novel coating methods and processing methods. The devices may have advantageous characteristics and effects including anti-microbial, anti-inflammatory, and tissue regeneration promoting.

Abstract: Implantable medical devices having galvanic particulates are disclosed. The particulates may be coated onto at least part of a surface of the medical device. In addition, the galvanic particulates may be contained in the material used to manufacture the antimicrobial medical devices, or may be embedded into the surface of the medical devices. The present invention also provides novel coating methods and processing methods. The devices may have advantageous characteristics and effects including anti-microbial, anti-inflammatory, and tissue regeneration promoting.

Abstract: Low application temperature thermoplastic hot melt adhesives are particularly useful as elastic attachment adhesives. The adhesives have a viscosity at 275° F. of less than about 8,000 cp, a yield stress of less than about than 80 psi and a creep performance for a bond made through strand coating of less than about 15%. Preferred are adhesives that have a creep performance for a bond made through spiral coating of less than about 25%.

Abstract: An apparatus in one example comprises an insulating piezoelectric layer, a base electrode along a first side of the insulating piezoelectric layer, and at least one gradient electrode along a second side of the insulating piezoelectric layer. The at least one gradient electrode is configured to provide a voltage gradient across an aperture of a surface acoustic wave (SAW) filter. The base electrode and the at least one gradient electrode are configured to provide a voltage bias across the insulating piezoelectric layer. The voltage bias comprises a gradient based on the voltage gradient across the aperture of the SAW filter. The base electrode and the at least one gradient electrode are configured to control at least one frequency characteristic of the SAW filter based on the voltage bias across the insulating piezoelectric layer.

Abstract: An article comprising an adhesive attachment region is provided. The adhesive attachment region comprises a radiation curable hot melt pressure sensitive adhesive.

Abstract: The invention relates to compositions and methods for making and using recombinant bacteria that are capable of regulated attenuation and/or regulated expression of one or more antigens of interest.

Abstract: An apparatus in one example comprises a piezoelectric layer, a first electrode along a first side of the piezoelectric layer, and a second electrode along a second side of the piezoelectric layer. The first and second electrodes are adapted to receive a voltage bias to create an electric field in the piezoelectric layer that controls an acoustic velocity of a surface acoustic wave.

Abstract: An apparatus in one example comprises a piezoelectric layer, an input transducer, an output transducer, and at least one electrode set. The input transducer is configured to convert an input signal from an input source to a surface acoustic wave and send the surface acoustic wave from an input portion of the piezoelectric layer to an output portion of the piezoelectric layer. The input transducer comprises a set of input passbands. The output transducer is configured to receive the surface acoustic wave from the output portion of the piezoelectric layer. The output transducer comprises a set of output passbands. The at least one electrode set is configured to apply at least one voltage bias to at least one portion of the piezoelectric layer to create an electric field that controls an acoustic velocity of the surface acoustic wave through the at least one portion of the piezoelectric layer.

Abstract: The invention concerns scaffolds comprising a coating on at least one surface that partially penetrates into the void spaces of the scaffold. The invention further concerns scaffolds comprising a partially penetrated anti-adhesion absorbable membrane layer.

Abstract: An apparatus in one example comprises an insulating piezoelectric layer, a base electrode along a first side of the insulating piezoelectric layer, and at least one gradient electrode along a second side of the insulating piezoelectric layer. The at least one gradient electrode is configured to provide a voltage gradient across an aperture of a surface acoustic wave (SAW) filter. The base electrode and the at least one gradient electrode are configured to provide a voltage bias across the insulating piezoelectric layer. The voltage bias comprises a gradient based on the voltage gradient across the aperture of the SAW filter. The base electrode and the at least one gradient electrode are configured to control at least one frequency characteristic of the SAW filter based on the voltage bias across the insulating piezoelectric layer.

Abstract: A simulation system for a communication system includes a user interface to receive user definition and system configuration parameters of a simulation configuration file that includes a plurality of data structures representing various functional modules of the simulated communication system. A model library is provided to store different implementation models corresponding to different communication standards for each of the functional modules. A parsing module accesses the model library according to the user definition and system configuration parameters to obtain the appropriate implementation model for each of the functional modules, and generates a simulated system program based on the selected implementation models such that the simulated system program is reconfigurable to different implementations and communication standards. A simulation engine runs the simulated system program to simulate the simulated communication system. A simulated system program generation system is also described.

Abstract: A system for measuring inter-carrier interference (ICI) in an OFDM system includes a test symbol generator coupled to a transmitter of the OFDM system to generate an N*N orthogonal matrix having N*N test symbols, and to send the test symbols in a test symbol stream via the transmitter to a receiver of the OFDM system. The N*N test symbols are arranged by the test symbol generator into an N*N orthogonal matrix before being sent to the receiver. The system also includes an ICI measuring module coupled to the receiver to detect the N*N test symbols received in the receiver and to arrange the test symbols as a receiving matrix in the same way as the orthogonal matrix in the transmitter. The ICI measuring module outputs the receiving matrix as an ICI matrix of the OFDM system, wherein an element on the kth row, lth column of the ICI matrix represents interference from the lth sub-carrier on the kth sub-carrier, wherein k?l.

Abstract: An apparatus for archiving robust channel estimation in a communication system includes a training sequence generator to generate a training sequence. A formatter inserts the training sequence to a frame. A transmitting module is employed to transmit the frame. The training sequence generator further includes a symbol generator to generate a plurality of training symbols satisfying a predetermined constraint such that the training symbols are insensitive to synchronization error and a training sequence forming unit that forms the training sequence from the training symbols generated by the training symbol generator.

Abstract: An apparatus in one example comprises a piezoelectric layer, an input transducer, an output transducer, and at least one electrode set. The input transducer is configured to convert an input signal from an input source to a surface acoustic wave and send the surface acoustic wave from an input portion of the piezoelectric layer to an output portion of the piezoelectric layer. The input transducer comprises a set of input passbands. The output transducer is configured to receive the surface acoustic wave from the output portion of the piezoelectric layer. The output transducer comprises a set of output passbands. The at least one electrode set is configured to apply at least one voltage bias to at least one portion of the piezoelectric layer to create an electric field that controls an acoustic velocity of the surface acoustic wave through the at least one portion of the piezoelectric layer.