54results about How to "Normal reception" patented technology

The embodiment of the invention discloses a method and system for handling a short message as well as a short message gateway and an interactive function entity. The method for handling the short message comprises the following steps: receiving a short message sent by a short message service centre; acquiring the next-hop node information of the short message; and if the next-hop node information is second identifier information, sending the short message to the interactive function entity corresponding to the second identifier information so that the interactive function entity sends the short message to a mobility management entity (MME) serving user equipment (UE) receiving the short message. The embodiment of the invention can realize that the short message gateway can send the short message to the MME which then sends the short message to the UE even when the UE is only attached to a long term evolution (LTE) network currently.

The invention aims to design an electromagnetic energy selection surface with electromagnetic energy low-pass property, which transmits low-energy electromagnetic signals to shield high-energy electromagnetic pulse. The invention adopts the technical scheme that the electromagnetic energy selection surface consists of metal units and pressure sensitive switch elements which are alternately connected with each other in the warp or/and weft directions. The metal units can be crossed metals or straight metals, which are determined by the polarization form of the electromagnetic pulse.

The invention relates to an infrared receiver, which comprises an input unit, a preamplifier, a variable gain amplifier, a limiting amplifier, a band-pass filter, a comparator, a demodulator, an output unit and a gain control circuit, wherein the input unit is used for converting an infrared input signal received from the outside into an electric signal; the preamplifier is used for amplifying the electric signal; the variable gain amplifier is used for amplifying the electric signal and controlling gain; the limiting amplifier is used for amplifying the electric signal; the band-pass filter is used for filtering noise outside a pass band in the electric signal; the comparator is used for comparing the signal with a preset reference voltage; the demodulator is used for demodulating the signal; the output unit is used for receiving an envelope signal output by the demodulator, reshaping the waveform and outputting the envelop signal to the outside; and the gain control circuit is used for receiving a signal output by the demodulator, distinguishing noise and a normal signal, and generating corresponding gain control current or voltage for controlling the gain of the variable gain amplifier so as to filter the noise or amplify the normal signal.

The embodiment of the invention provides a signal processing method and device for a trunking group and is used for ensuring normal performance of trunking group business. The method comprises the steps of periodically sending a group call setup indication message after trunking group call business is set up, wherein the group call setup indication message is used for indicating trunking group call setup of an access user; updating the group call setup indication message according to a business state of the trunking business after a downlink bearer of a base station is set up successfully, thereby indicating the business state of the trunking business through the group call setup indication message; and periodically sending the group call setup indication message, wherein the group call setup indication message is sent after being encrypted. The group call setup indication message indicates the group call setup and also indicates the business state of the trunking business, the normalperformance of the business is ensured, and the user is guaranteed to receive multicast group business accurately.

The invention provides wireless equipment and a wireless local area network signal receiving method, and belongs to the technical field of communication. Wherein the wireless device comprises a receiver, a jammer, an interference eliminator, a first antenna and a second antenna, the receiver is connected with the first antenna, the jammer is connected with the second antenna, the input end of theinterference eliminator is connected with the second antenna, and the output end of the interference eliminator is connected with the first antenna; The receiver is used for detecting a wireless localarea network signal; The jammer is used for sending an interference signal on a channel where the wireless local area network signal is located through the second antenna; And the interference eliminator is used for generating a reconstructed signal for cancelling the interference signal received by the first antenna based on the interference signal, and providing the reconstructed signal at theoutput end, so that the conflict of the signals of the wireless local area network is avoided, and no extra air interface resource is occupied. And moreover, the interference to the receiver can be eliminated in the process of sending the interference signal, so that the receiver can normally receive the wireless local area network signal.

The invention discloses a cooperative physical layer privacy protection method of a multi-user relay network downlink. The method comprises the following steps that a legal user node Um and a cooperative user node Uk are selected, a source node S and the legal user node Um send an information symbol xs and an industrial noise signal Wm to a relay node R respectively, and meanwhile the cooperative user node Uk sends an artificial noise signal Wk(1) to the relay node R; 2, the relay node receives a mixed signal yR sent by the legal user node Um, the cooperative user node Uk and the source node S, the mixed signal yR is amplified and then transmitted to all user nodes, and meanwhile the cooperative user node Uk sends an artificial noise signal Wk(2); and 3, the legal user node eliminates self-interference according to the received signal to acquire a sufficient statistic ym(rem) used for detecting the symbol, and then the information symbol xs is estimated according to the sufficient statistic ym(rem) used for detecting the symbol. According to the method, the information transmission security of the multi-user relay network downlink can be ensured.

The invention discloses a remote control apparatus and communication system. The remote control apparatus communicates with an electric apparatus by radio communication, including: a plurality of operation keys; a transmission/reception section for transferring a signal to and from the electric apparatus by the radio communication; and a control section having at least a power control function for controlling the power of the remote control apparatus; the control section controlling the transmission/reception section to a normal power state until a predetermined period of time elapses after a signal is inputted thereto by an input of any of the operation keys to enable transfer of a signal from the electric apparatus by the transmission/reception section, the control section controlling the transmission/reception section to a low power consumption state after the predetermined period of time elapses.

The invention discloses a high-temperature-resistant transverse wave electromagnetic ultrasonic transducer which comprises a high-temperature-resistant metal shell, a magnet exciting coil, an eddy current coil, a copper foil sheet, a mica sheet, a high-temperature-resistant metal sheet, high-temperature-resistant ceramic glue, a connecting rod and a heat insulation handle, wherein the magnet exciting coil and the high-temperature-resistant metal sheet are poured on an outer ring of a cylindrical recess of the high-temperature-resistant metal shell by adopting high-temperature-resistant ceramic glue; the eddy current coil, the copper foil and the mica sheet are poured in the center of the cylindrical recess of the high-temperature-resistant metal shell by adopting high-temperature-resistant ceramic glue; the lower end of the connecting rod is welded to the center of the upper surface of the high-temperature-resistant metal shell, and the upper end is sleeved with a heat-insulating handle. The transducer is made of a high-temperature-resistant flexible material, the working end of the transducer can be poured according to the irregular surface of a tested piece and can be tightly attached to a high-temperature metal component with the complex surface during detection, lift-off of an eddy current coil and a magnet exciting coil is reduced, and the eddy current strength and the static magnetic field strength in the material can be enhanced.

The embodiment of the invention provides a method, device and system for MBSFN (multicast broadcast single frequency network) way transmission, and the method comprises the following steps: acquiring clock synchronization state information of a network node; determining the network node in the synchronization state according to the clock synchronization state information; and utilizing the network node in the synchronization state for MBSFN transmission. The embodiment of the invention specifically stipulates that the synchronization of the network node for MBSFN transmission can be ensured by acquiring the clock synchronization state information of the network node before the MBSFN way transmission, thereby reducing the interference of a system and increasing the transmission gain.

A paging message transmission method, base station, mobility management entity and user equipment. One of the methods may include: the base station receiving a first paging message sent by a mobility management entity MME, where the first paging message includes: coverage enhancement information of the user equipment UE paged by the first paging message; The base station sends a second paging message to the UE according to the coverage enhancement information of the UE.

The invention provides a disturbance control starting method based on registration in a long term evolution (LTE) heterogeneous network. Whether non-closed subscriber group (CSG) user equipment (UE) is disturbed by a CSG home evolved node B (HeNB) or not is evaluated through utilizing adjacent cell information measured by the non-CSG UE; if being indeed disturbed by the CSG HeNB, the non-CSG UE registers with the CSG HeNB disturbing the non-CSG UE, so as to enable the CSG HeNB to realize that certain non-CSG UE needs protection; and then necessary disturbance coordination measures are adopted to reduce the disturbance to the non-CSG UE.

The invention discloses an automobile controller area network (CAN) bus system and a short circuit control method thereof. The automobile CAN bus system comprises a power twisted pair, a bodywork twisted pair, an engine electronic control unit (ECU) and a bodywork controller; the power twisted pair is electrically connected with the bodywork twisted pair; the engine ECU is electrically connected with the power twisted pair; and the bodywork controller is electrically connected with the bodywork twisted pair. The automobile CAN bus system further comprises a voltage detecting unit and an automatic switch unit; the voltage detecting unit is respectively and electrically connected with the bodywork twisted pair and the bodywork controller; the automatic switch unit is respectively and electrically connected with the power twisted pair and the bodywork controller; the voltage detecting unit is used for collecting the voltage values of the bodywork twisted pair and outputting to the bodywork controller; and the automatic switch unit is used for receiving the control signals of the bodywork controller and controlling the connecting and breaking of the power twisted pair and the bodywork twisted pair. The automobile CAN bus system and the short circuit control method are capable of reducing the probability of the abnormal deceleration of the engine caused by the twisted pair short circuit.

The invention discloses an antenna revolute joint which comprises a joint support and a joint clamp which are movably connected with each other. Bodies on the joint support and the joint clamp are respectively a ferrule and a column inserted for matching; the matching surfaces of the ferrule and the column are respectively provided with a plurality of corresponding elastic arms and a plurality of grooves; the grooves are uniformly distributed on the ferrule or the periphery of the column; the number of the elastic arms is less than or equal to that of the grooves; moreover, the elastic arms are uniformly distributed on the ferrule or the periphery of the column; the top ends of the elastic arms are provided with parallel element rests of the ferrule or the periphery shaft of the column; the element rests correspond to the grooves in shapes; when being static, the element rests are clamped in the grooves; and when rotating, the elastic deformation of the elastic arms are used for leading the element rests between the extruding parts in the grooves and the grooves to carry out mutual alternating motion in different grooves.

The invention provides a carrier silencing method, device and equipment and a storage medium, and the method comprises the steps: regularly determining the carrier power of n carrier signals, respectively comparing the carrier power with a preset minimum power threshold value, if the carrier power is smaller than the minimum power threshold value, judging whether a first accumulated value of the carrier signals reaches a first threshold value or not, and if the first accumulated value does not reach the first threshold value, executing an operation of keeping a normal transmission state on the carrier signal, and accumulating the first accumulated value; if yes, executing a silent operation, and keeping the first accumulated value unchanged, wherein the first accumulated value is used for recording the accumulated number of times when the carrier power is smaller than the minimum power threshold value, n is greater than or equal to 1, and the carrier signal is transmitted in a time division multiple access mode, and the timing duration is less than or equal to the duration of a single time slot. According to the invention, the delay of silent operation is realized through the first accumulated value and the first threshold value, and the problem of demodulation failure caused by the fact that useful information transmitted in other time slots is not sent out in time due to misjudgment caused by no data transmission of the carrier signal in a certain time slot is prevented.

The invention relates to a converter valve trigger architecture for realizing live-line fault processing. The architecture comprises a thyristor electronic board in signal connection with a convertervalve, and the thyristor electronic board is located in a valve hall; and the architecture further comprises a VBE main system and a VBE standby system. The VBE main system and the VBE standby systemare located in a control protection chamber. The VBE main system and the VBE standby system are respectively provided with a first light-emitting plate and a second light-emitting plate; the thyristorelectronic board is connected with an MSC module of an optical fiber coupler, a main optical fiber, a standby optical fiber and a preset optical fiber are preset at an inlet of the MSC module, the main optical fiber is connected with the first light-emitting board, the standby optical fiber is connected with the second light-emitting board, and the end, away from the MSC module, of the preset optical fiber is located in the control protection chamber. By adopting the technical scheme, the operation reliability of the converter valve is improved. The redundancy of trigger pulses simultaneouslysent by the two systems can be recovered, and the safety of maintenance operation is improved at the same time.

The invention provides a network connection method and device and a medium, and the method comprises the steps: responding to a condition that network connection through a first communication network is in a fault state, transmitting a first detection signal to a set network address through the first communication network, and determining that a first detection result fails to set the network address through the first communication network connection, and sending a second detection signal to the set network address through the second communication network, determining that the second detection result is successfully connected with the set network address through the second communication network, and restarting the first communication network to perform network reconnection, or performing network connection through the second communication network. In the invention, the specific reason of the fault state of the network connection through the first communication network is determined by using the assistance of the second communication network, so that the first communication network is restarted in time to carry out network reconnection or network connection is carried out through the second communication network, and the wireless communication quality is ensured.

The embodiment of the invention provides a monitoring data processing method and device, and a storage medium. The method comprises the following steps: a monitoring access server initiates a networkconnection request to a monitoring device through a network device before acquiring monitoring data from the monitoring device, so as to establish a private network channel between the monitoring access server and the monitoring device; the monitoring access server sends a monitoring data acquisition request message to the monitoring device through the private network channel under the condition that the network equipment does not release the network resources of the private network channel; and the monitoring access server receives the monitoring data returned by the monitoring device according to the monitoring data acquisition request message through the special network channel under the condition that the network device does not release the network resources of the special network channel. According to the embodiment of the invention, the monitoring data is prevented from being abandoned, and the monitoring access server is ensured to normally receive the monitoring data.