Abstract: A mobile device having a capability of skipping symbol blanking, the mobile device comprising a transceiver, a radio frequency front end system coupled to the transceiver and a baseband system configured to generate a sequence of symbols for transmission to a base station by way of the radio frequency front end system coupled to the transceiver, and to generate a sequence of symbols including capability information, the capability information indicating that the mobile device has the capability of skipping symbol blanking.

Abstract: Apparatus and methods for signal conditioning of radio frequency signals are provided. In certain embodiments, a mobile device includes a transceiver configured to output a differential transmit signal and to receive a single-ended receive signal, and a front end system. The front end system includes a transmit balun, a differential transmit amplifier configured to amplify the differential transmit signal to generate an amplified differential transmit signal provided to a first winding of the transmit balun, a differential receive amplifier configured to amplify a differential receive signal received from the first winding to generate an amplified differential receive signal, and a receive balun configured to convert the amplified differential receive signal into the single-ended receive signal.

Abstract: Apparatus and methods for testing error vector magnitude (EVM) exclusion periods are disclosed. In certain embodiments, a method includes transmitting a first symbol with a first resource block allocation using a transmit chain of a mobile device and transmitting a second symbol with a second resource block allocation different than the first resource block allocation using the transmit chain, the first symbol and the second symbol having a power transient separated by a transient period. The method further includes establishing that the mobile device complies with a transient period specification based on obtaining a first error vector magnitude measurement and a second error vector magnitude measurement when the mobile device is transmitting a symbol sequence that includes the first symbol and the second symbol, the second error vector magnitude measurement delayed from the first error vector magnitude measurement by an error vector measurement exclusion period.

Abstract: Apparatus and methods for testing error vector magnitude (EVM) exclusion periods are disclosed. In certain embodiments, a method includes transmitting a radio frequency signal in fifth generation frequency range two using a transmit chain of a mobile device, the radio frequency signal including a symbol sequence that includes a first symbol and a second symbol having a power transient separated by a transient period. The method further includes establishing that the mobile device complies with a transient period specification based on obtaining a first EVM and a second EVM when the mobile device is transmitting the symbol sequence. The second EVM measurement is delayed from the first EVM measurement by an EVM exclusion period, and the first EVM measurement and the second EVM measurement are symmetrically shared across a symbol boundary between the first symbol and the second symbol.

Abstract: To increase the inertia of a sealing lip of a blade for an aircraft turbine engine, and thus improve the service life of such a sealing lip, the sealing lip is conformed so as to have a trough in the outer surface thereof and a corresponding boss in the inner surface thereof, the trough and the boss being defined based on a connection cross section of the sealing lip to a blade body, and being formed at a distance from a free axial end of the sealing lip.

Abstract: A rotor vane for an aircraft turbine engine includes a blade extending between an inner platform and an outer platform which carries at least one projecting lip. The blade has a lower surface and an upper surface, and the outer platform includes, on the side of the lower and upper surfaces, lateral edges configured to cooperate in a form-fitting manner with complementary lateral edges of adjacent vanes. Each of the lateral edges has an anti-wear coating, and one of the lateral edges forms a hollow tip (P) with a bowl configured to receive the coating and further including a first concave cylindrical surface portion, the geometric dimensions of which are optimized to limit the risk of cracks appearing when the coating is applied.

Abstract: Apparatus and methods for sounding reference signal (SRS) switching are provided. In certain embodiments, transmit path resources of user equipment (UE) are used to reduce or eliminate the impairment of SRS upon transport capacity. Furthermore, the transmit path resources can be used for other purposes, and thus SRS switching time can be reduced by re-using transmit path resources that may be included for other purposes. The teachings herein can be used to achieve SRS switching of 0 ?s, thereby eliminating the impact of switching timing constraints for SRS symbols on transport capacity.

Abstract: Apparatus and methods for sounding reference signal (SRS) switching are provided. In certain embodiments, transmit path resources of user equipment (UE) are used to reduce or eliminate the impairment of SRS upon transport capacity. Furthermore, the transmit path resources can be used for other purposes, and thus SRS switching time can be reduced by re-using transmit path resources that may be included for other purposes. The teachings herein can be used to achieve SRS switching of 0 ?s, thereby eliminating the impact of switching timing constraints for SRS symbols on transport capacity.

Abstract: To increase the inertia of a sealing lip of a blade for an aircraft turbine engine, and thus improve the service life of such a sealing lip, the sealing lip is conformed so as to have a trough in the outer surface thereof and a corresponding boss in the inner surface thereof, the trough and the boss being defined based on a connection cross section of the sealing lip to a blade body, and being formed at a distance from a free axial end of the sealing lip.

Abstract: A rotor vane for an aircraft turbine engine includes a blade extending between an inner platform and an outer platform which carries at least one projecting lip. The blade has a lower surface and an upper surface, and the outer platform includes, on the side of the lower and upper surfaces, lateral edges configured to cooperate in a form-fitting manner with complementary lateral edges of adjacent vanes. Each of the lateral edges has an anti-wear coating, and one of the lateral edges forms a hollow tip (P) with a bowl configured to receive the coating and further including a first concave cylindrical surface portion, the geometric dimensions of which are optimized to limit the risk of cracks appearing when the coating is applied.

Abstract: Apparatus and methods for signal conditioning of radio frequency signals are provided. In certain embodiments, a mobile device includes a transceiver configured to output a differential transmit signal and to receive a single-ended receive signal, and a front end system. The front end system includes a transmit balun, a differential transmit amplifier configured to amplify the differential transmit signal to generate an amplified differential transmit signal provided to a first winding of the transmit balun, a differential receive amplifier configured to amplify a differential receive signal received from the first winding to generate an amplified differential receive signal, and a receive balun configured to convert the amplified differential receive signal into the single-ended receive signal.

Abstract: Apparatus and methods for sounding reference signal (SRS) switching are provided. In certain embodiments, transmit path resources of user equipment (UE) are used to reduce or eliminate the impairment of SRS upon transport capacity. Furthermore, the transmit path resources can be used for other purposes, and thus SRS switching time can be reduced by re-using transmit path resources that may be included for other purposes. The teachings herein can be used to achieve SRS switching of 0 ?s, thereby eliminating the impact of switching timing constraints for SRS symbols on transport capacity.

Abstract: Apparatus and methods for sounding reference signal (SRS) switching are provided. In certain embodiments, transmit path resources of UE are used to reduce or eliminate the impairment of SRS upon transport capacity. Furthermore, the transmit path resources can be used for other purposes, and thus SRS switching time can be reduced by re-using transmit path resources that may be included for other purposes. The teachings herein can be used to achieve SRS switching of 0 ?s, thereby eliminating the impact of switching timing constraints for SRS symbols on transport capacity.

Abstract: Apparatus and methods for sounding reference signal (SRS) switching are provided. In certain embodiments, transmit path resources of UE are used to reduce or eliminate the impairment of SRS upon transport capacity. Furthermore, the transmit path resources can be used for other purposes, and thus SRS switching time can be reduced by re-using transmit path resources that may be included for other purposes. The teachings herein can be used to achieve SRS switching of 0 ?s, thereby eliminating the impact of switching timing constraints for SRS symbols on transport capacity.

Abstract: An automatic gain control (AGC) method and system for a radio receiver are proposed in which the ACG comprises two AGC loops; a first loop controlling signal gain in the analogue portion of the radio receiver, a second loop controlling gain in the digital domain after digitization of the received signal. The analogue AGC loop has a slower response time than the digital AGC loop. When applied to a multi-branch diversity receiver, each branch has its own digital AGC loop, but the analogue gain can be common to all branches, based on measurement of the analogue signal in each branch.

Abstract: An automatic gain control (AGC) method and system for a radio receiver are proposed in which the ACG comprises two AGC loops; a first loop controlling signal gain in the analogue portion of the radio receiver, a second loop controlling gain in the digital domain after digitization of the received signal. The analogue AGC loop has a slower response time than the digital AGC loop. When applied to a multi-branch diversity receiver, each branch has its own digital AGC loop, but the analogue gain can be common to all branches, based on measurement of the analogue signal in each branch.

Abstract: A method for dynamically clocking one component located into a Wireless telecommunication apparatus comprising a RF transceiver subject to desensizitation by said component EMI, characterized in that it involves the steps of performing an adaptive control on the clock rate of said component so as to locate a wideband noise PSD null just to the left or to the right, in the frequency domain, of the RF transceiver wanted carrier frequency (fw) Particularly, the control is performed by means of the control of programmable frequency dividers, and under the control of a general control unit (UCM) for the purpose of performing a contextual analysis of the current mode of operation of said wireless telecommunications and, in response to said contextual analysis, for determining the fine tuning of the clock rate to be applied to said component.

Abstract: A radio transceiver including—an antenna (201) switch having a control lead (226); —a RF and front end circuit (202) coupled to said antenna switch and operating in at least one 2G mode and at least one 3G mode; —a RF transceiver (209) coupled to said RF front end and operating in at least a first 2G and a second 3G mode; —a baseband (210) communicating with a set of peripherals and external devices; The radio transceiver is characterized by the fact that it includes: —control means (221) for controlling said antenna switch (201) in a isolated mode; —an programmable adaptive filter controlled by said control means for the purpose of introducing at least one notch for eliminating one corresponding spur. The radio transceiver preferably includes means (215) for performing, under control of said control means (221) a FFT computation for the purpose of elaborating a representation, in the time domain, of the different spurs and/or jammers spoiling the received signal when in isolated mode.

Abstract: An automatic gain control (AGC) method and system for a radio receiver are proposed in which the ACG comprises two AGC loops; a first loop controlling signal gain in the analog portion of the radio receiver, a second loop controlling gain in the digital domain after digitization of the received signal. The analog AGC loop has a slower response time than the digital AGC loop. When applied to a multi-branch diversity receiver, each branch has its own digital AGC loop, but the analog gain can be common to all branches, based on measurement of the analog signal in each branch.

Abstract: A wireless telecommunication apparatus comprising—a baseband for the purpose of generating and receiving base-band signals; —a RF transceiver for the purpose of transmitting and receiving a RF signals, —at least one centralized clock derived from at least one central oscillator; —at least one individual element located within said apparatus and having a EMI coupling with said RF transceiver, and which clocking is likely to generate spurs being modulated with the Tx carrier of said RF transceiver; Characterized in that it further includes: —a least one controllable clocking system for said at least one individual element; —a general control unit (UCM) for the purpose of performing a contextual analysis of the current mode of operation of said wireless telecommunications and, in response to said contextual analysis, for determining a clocking frequency which results in modulated Tx clock spurs out of the receive bands.