Abstract:
ESTA INVENCION SE REFIERE A DISPOSITIVOS SEMICONDUCTORES Y EN PARTICULAR A DISPOSITIVOS SEMICONDUCTORES QUE TIENEN UNA CONFIGURACION DE REGIONES PARAA REALIZAR FUNCIONES DE CIRCUITOS ELEMENTALES PLURALES. EL DISPOSITIVO SEMICONDUCTOR DE ACUERDO CON LA INVENCION PUEDE SER UN ELEMENTO INDIVIDUAL TAL COMO UN TRANSISTOR MULTIEMISOR PARA REALIZAR FUNCIONES DE TRANSISTOR O DIOSO O TRANSISOTR MULTI-EMISOR FORMADO COMO PARTE DE UN CUERPO SEMICONDUCTOR CONTENIENDO OTROS ELEMANTOS DE CIRCUITO SEGUN SE DESCRIBE EN LA SOLICITUD.
Abstract:
PROBLEM TO BE SOLVED: To solve such a problem that a random access channel is intended to encompass a wider range of functionalities than in previous or current cellular networks, thus an expected load is increased, so that a more efficient random access method is needed.SOLUTION: A random access signal comprises a random access preamble signal selected from a set of random access preamble signals constructed by cyclically shifting selected root CAZAC sequences. The random access signal has a length of one or more transmission sub-frames, the length of the included random access preamble sequence is extended with the signal to provide excellent signal detection performance in larger cells and in higher interference environments. The random access signal includes a wide-band pilot signal facilitating base station estimation of up-link frequency response in some situations.
Abstract:
PROBLEM TO BE SOLVED: To provide a JTAG interface optimized for accessing JTAG tap domains within an integrated circuit, where the interface may be used for a variety of serial communication operations such as, but not limited to, serial communication related integrated circuit test, emulation, debug, and/or trace operations.SOLUTION: An integrated circuit comprises: an IEEE 1149.1 tap domain having a TDI input terminal, a TCK input terminal, a TMS input terminal, and a TDO output terminal, the TDO output terminal being connected to externally accessible data input/output pins of the integrated circuit; and a serial-input parallel-output circuit having a serial input terminal connected to the externally accessible data input/output pins of the integrated circuit, a first parallel output terminal connected to the TDI input terminal, and a second parallel output terminal connected to the TMS input terminal.
Abstract:
PROBLEM TO BE SOLVED: To provide a device to precisely decode signals with a relatively easy algorithm in accordance with the Doppler fading rate when a transmit antenna diversity is used for a CDMA system.SOLUTION: A user station 12 of a wireless communication system 10 comprises despreading circuitry 22 for receiving and despreading a plurality of slots transmitted from at least two transmit antennas at a transmitting station 14. Each of the plurality of slots comprises a first channel and a second channel each comprising a different set of pilot symbols. The user station 14 further comprises circuitry 50 for measuring a first channel measurement and a second channel measurement for each given slot from a first transmit antenna and a second transmit antenna, respectively. The user station 14 further comprises circuitry 52 for measuring a phase difference value for each given slot in response to the first channel measurement and the second channel measurement for the given slot and in response to a 90-degree rotation of the given slot relative to a slot which was received by the despreading circuitry 22 immediately preceding the given slot.
Abstract:
PROBLEM TO BE SOLVED: To provide a system and a method for identifying and preventing security violation within a computer system.SOLUTION: A computer system (100) comprises a multiprocessing unit (104) comprising a processor core (106) that performs programs. A monitoring system (200) comprises a platform security controller (250) that monitors activity on a core bus and identifies security violation. Further performance of the program in the processor core (106) is prevented according to the identification of the security violation.