Abstract: A radio receiver is arranged to receive radio signals. The radio receiver includes a tuner, which outputs an electronic signal representing radio waves received by the radio receiver; a correlator, which cross-correlates a predetermined signal pattern with the electronic signal, and outputs a correlation signal; and a clear channel assessment module. The clear channel assessment module determines when the number of peaks in the correlation signal, over a fixed time window, exceeds a threshold count value, and outputs a busy signal in response to determining that the number of peaks exceeds the threshold count value.

Abstract: A radio receiver device is arranged to receive a radio signal modulated with a data packet including an address portion. The radio receiver comprises: a synchronisation circuit portion arranged to produce synchronization information corresponding to the data packet; a demodulation circuit portion comprising a correlator, wherein said demodulation circuit portion is arranged to receive the radio signal and to produce an estimate of the address portion comprising a plurality of demodulated bits using said correlator and the synchronisation information; an address checking circuit portion arranged to receive the plurality of demodulated bits, to check said plurality of demodulated bits for a predetermined bit pattern, and to produce a match flag if it determines that the plurality of demodulated bits corresponds to the predetermined bit pattern.

Abstract: This application provides a power adjustment method and apparatus. The method includes obtaining a to-be-output signal, performing first automatic gain control (AGC) processing on the to-be-output signal to obtain the to-be-output signal on which the first AGC processing is performed, and to obtain a gain value of the to-be-output signal. The method also includes performing digital pre-distortion (DPD) processing on the to-be-output signal on which the first AGC processing is performed, to obtain the to-be-output signal on which the DPD processing is performed. The method further includes calculating an output power back-off (OBO) value based on the gain value, adjusting, based on the OBO value, output power of the to-be-output signal on which the DPD processing is performed, and sending, to a signal receive end, the to-be-output signal on which the power adjustment is performed.

Abstract: The invention provides a method of treating preeclampsia, fetal growth restriction (FGR or IUGR), obesity in pregnancy, post-partum cardiomyopathy (heart failure in mothers), cancer and diabetic retinopathy, cardiomyopathy, myocardial infarction, wet microdegeneration and other disorders where angiogenesis is aberrant either diminished or exacerbated, comprising modulating the activity of micro RNA (miRNA). Also provided are an MiRNA modulator or a combination thereof or functional fragments or homologues thereof for use in the treatment of preeclampsia, fetal growth restriction, obesity in pregnancy, cancer, and diabetic retinopathy, cardiomyocyte infarction, wet microdegeneration as well as other disorder where angiogenesis is aberrant either diminished or exacerbated. Methods of modulating angiogenesis and pharmaceutical compositions using miR-122, miR-374b or inhibitors of miR-152 or miR195 are also provided together with methods of diagnosis using the miRNAs.

Abstract: The invention provides a method of treating preeclampsia, fetal growth restriction (FGR or IUGR), obesity in pregnancy, post-partum cardiomyopathy (heart failure in mothers), cancer and diabetic retinopathy, cardiomyopathy, myocardial infarction, wet microdegeneration and other disorders where angiogenesis is aberrant either diminished or exacerbated, comprising modulating the activity of micro RNA (miRNA). Also provided are an MiRNA modulator or a combination thereof or functional fragments or homologues thereof for use in the treatment of preeclampsia, fetal growth restriction, obesity in pregnancy, cancer, and diabetic retinopathy, cardiomyocyte infarction, wet microdegeneration as well as other disorder where angiogenesis is aberrant either diminished or exacerbated. Methods of modulating angiogenesis and pharmaceutical compositions using miR-122, miR-374b or inhibitors of miR-152 or miR195 are also provided together with methods of diagnosis using the miRNAs.

Abstract: A radio receiver is arranged to receive radio signals. The radio receiver includes a tuner, which outputs an electronic signal representing radio waves received by the radio receiver; a correlator, which cross-correlates a predetermined signal pattern with the electronic signal, and outputs a correlation signal; and a clear channel assessment module. The clear channel assessment module determines when the number of peaks in the correlation signal, over a fixed time window, exceeds a threshold count value, and outputs a busy signal in response to determining that the number of peaks exceeds the threshold count value.

Abstract: Embodiments of the present invention provide a data sending and receiving method, an apparatus, and a system. The method can be executed by a microwave device, which includes: obtaining a control word (CW) and a first antenna-carrier (A×C) from a common public radio interface (CPRI) frame; modulating the CW to obtain in-phase/quadrature (I/Q) data of the CW; determining a first timeslot in which the first A×C does not carry antenna-carrier I/Q data; writing a preset synchronization sequence, first information, and a random number in the first timeslot to generate a second A×C; and combining the second A×C with the I/Q data of the CW to generate a microwave air interface frame, and sending the microwave air interface frame in a time division multiplexing manner.

Abstract: A radio receiver device is arranged to receive a radio signal modulated with a data packet including an address portion. The radio receiver comprises: a synchronisation circuit portion arranged to produce synchronization information corresponding to the data packet; a demodulation circuit portion comprising a correlator, wherein said demodulation circuit portion is arranged to receive the radio signal and to produce an estimate of the address portion comprising a plurality of demodulated bits using said correlator and the synchronisation information; an address checking circuit portion arranged to receive the plurality of demodulated bits, to check said plurality of demodulated bits for a predetermined bit pattern, and to produce a match flag if it determines that the plurality of demodulated bits corresponds to the predetermined bit pattern.

Abstract: Embodiments of the present invention provide a data sending and receiving method, an apparatus, and a system. The method can be executed by a microwave device, which includes: obtaining a control word (CW) and a first antenna-carrier (A×C) from a common public radio interface (CPRI) frame; modulating the CW to obtain in-phase/quadrature (I/Q) data of the CW; determining a first timeslot in which the first A×C does not carry antenna-carrier I/Q data; writing a preset synchronization sequence, first information, and a random number in the first timeslot to generate a second A×C; and combining the second A×C with the I/Q data of the CW to generate a microwave air interface frame, and sending the microwave air interface frame in a time division multiplexing manner.

Abstract: The present disclosure discloses a digital fronthaul data transmission method, device, and system, which relate to the communications field and improve system performance of a distributed base station. A specific solution is: a first microwave device receives digital fronthaul data; obtains common information and radio signal information from the digital fronthaul data; performs digital QAM on the common information to obtain I/Q data of the common information; generates a microwave air interface frame in a time division multiplexing manner based on the radio signal information and the I/Q data of the common information, where the radio signal information and the I/Q data of the common information are encapsulated in a payload area of the microwave air interface frame, and a pilot in a microwave overhead and the payload area are arranged at a preset interval in an interleaved manner; and sends the microwave air interface frame.

Abstract: The invention provides a method of treating preeclampsia, fetal growth restriction (FGR or IUGR), obesity in pregnancy, post-partum cardiomyopathy (heart failure in mothers), cancer and diabetic retinopathy, cardiomyopathy, myocardial infarction, wet microdegeneration and other disorders where angiogenesis is aberrant either diminished or exacerbated, comprising modulating the activity of micro RNA (miRNA). Also provided are an MiRNA modulator or a combination thereof or functional fragments or homologues thereof for use in the treatment of preeclampsia, fetal growth restriction, obesity in pregnancy, cancer, and diabetic retinopathy, cardiomyocyte infarction, wet microdegeneration as well as other disorder where angiogenesis is aberrant either diminished or exacerbated. Methods of modulating angiogenesis and pharmaceutical compositions using miR-122, miR-374b or inhibitors of miR-152 or miR195 are also provided together with methods of diagnosis using the miRNAs.

Abstract: The present invention discloses an information processing method and apparatus, including: obtaining a local to-be-transmitted signal by using a local transmitter, and inserting first pilots and second pilots, where the first pilots are inserted from a first position of the local to-be-transmitted signal, the second pilots are inserted from a second position of the local to-be-transmitted signal; obtaining a local transmit signal; obtaining a peer transmit signal, where the peer transmit signal is sent after third pilots and fourth pilots are inserted, the third pilots are inserted from a third position of the peer transmit signal, the fourth pilots are inserted from a fourth position of the peer transmit signal, the first pilot is orthogonal to the fourth pilot, and the second pilot is orthogonal to the third pilot; and parsing the local transmit signal and the peer transmit signal by using the local receiver.

Abstract: A signal processing method and apparatus are disclosed. The signal processing method includes: receiving, by a first signal processing apparatus, a mixed signal; acquiring, by the first signal processing apparatus, an energy strength ratio of the mixed signal, where the energy strength ratio includes a ratio of energy strength of a signal sent by a first signal source and received by the first signal processing apparatus to energy strength of a signal sent by a second signal source and received by the first signal processing apparatus; and if the energy strength ratio is less than a first preset threshold, using, by the first signal processing apparatus, the signal sent by the second signal source in the mixed signal as an interference signal and separating the interference signal, and determining that a mixed signal obtained after the separation processing is the desired signal sent by the first signal source.

Abstract: Embodiments of the present invention relate to the communication field and provide an array antenna. The array antenna includes: an antenna body, which is a multi-beam antenna, a single-beam antenna without grating lobes, or a single-beam antenna with grating lobes and transmits or receives a beam set by centering on the antenna body, where the beam set includes at least one beam; a planar reflection board, configured to reflect the beam set transmitted or received by the antenna body; and an adjusting unit, connected to the antenna body and/or the planar reflection board, and configured to adjust a relative position between the planar reflection board and the beam set of the antenna body so that the beam set of the antenna body can be transmitted or received in any direction after being reflected by the planar reflection board.

Abstract: The present invention provides a method. The method includes: performing coupling to acquire a first reference signal and a second reference signal from a transmit signal transmitted on a same transmit link at a transmit end; performing signal recombination according to the first reference signal and the second reference signal, to obtain a first interference cancellation signal and a second interference cancellation signal; enabling the first interference cancellation signal to pass through a simulated interference channel, and enabling the second interference cancellation signal to pass through the simulated interference channel; and coupling and output, to a same receive link at the local receive end, the first interference cancellation signal and the second interference cancellation signal that have passed through the simulated interference channel, and combining the first interference cancellation signal and the second interference cancellation signal with a signal received by the local receive end.

Abstract: The present invention provides a method. The method includes: performing coupling to acquire a first reference signal and a second reference signal from a transmit signal transmitted on a same transmit link at a transmit end; performing signal recombination according to the first reference signal and the second reference signal, to obtain a first interference cancellation signal and a second interference cancellation signal; enabling the first interference cancellation signal to pass through a simulated interference channel, and enabling the second interference cancellation signal to pass through the simulated interference channel; and coupling and output, to a same receive link at the local receive end, the first interference cancellation signal and the second interference cancellation signal that have passed through the simulated interference channel, and combining the first interference cancellation signal and the second interference cancellation signal with a signal received by the local receive end.

Abstract: A signal processing method and apparatus are disclosed. The signal processing method includes: receiving, by a first signal processing apparatus, a mixed signal; acquiring, by the first signal processing apparatus, an energy strength ratio of the mixed signal, where the energy strength ratio includes a ratio of energy strength of a signal sent by a first signal source and received by the first signal processing apparatus to energy strength of a signal sent by a second signal source and received by the first signal processing apparatus; and if the energy strength ratio is less than a first preset threshold, using, by the first signal processing apparatus, the signal sent by the second signal source in the mixed signal as an interference signal and separating the interference signal, and determining that a mixed signal obtained after the separation processing is the desired signal sent by the first signal source.

Abstract: The present invention discloses a signal correction method and a receiving machine, pertaining to the radio communication field. The method includes: acquiring M channels of first signals; performing adaptive processing for each channel of first signals among the M channels of first signals to output M channels of first correction signals; making a decree according to the M channels of first correction signals to obtain M channels of decree results; using a decree result with a same value and with a largest quantity among the M channels of decree results as a feedback signal; receiving M channels of second signals; and separately performing adaptive processing, according to the feedback signal, for each channel of second signals among M channels of second signals to output M channels of second correction signals.