62results about How to "Reduce Communication Interference" patented technology

The invention provides a data communication device and a data communication method. The data communication device comprises a news generation module used for generating broadcast news and a data interaction module used for transmitting broadcast news. The broadcast news includes one or a plurality of business general information identifications, and values of the business general information identifications show relative information of sender business. The data interaction module is used for transmitting the broadcast news. By means of the data communication device and the data communication method, a device as a sender can inform business generation information to enable a device as a receiver to be capable of judging whether to develop business with the sender according to the general information, and the device and the method ensure power saving of a terminal and reduce communication interference between the devices.

The invention discloses a resource distribution method for a relay network with energy harvesting nodes based on a QoS demand and belongs to the technical field of wireless communication. According to the method, a relay network system is employed. The system comprises a sending end, a receiving end and a relay node. The sending end and the relay node can harvest energy and communicate through utilization of the harvested energy. In communication at the relatively long distance, in order to improve the communication security and reliability and reduce the problems such as the communication interference, a relay technology is employed. According to the resource distribution method for the relay network researched by the invention, the energy harvesting and the relay technology are combined, system resources namely subcarriers and the power are jointly distributed, so the effective capacity is maximized in the communication process of the relay network, and the communication performance is improved.

The invention discloses a trusted energy-saving data convergence method for a wireless sensor network. The method comprises the following steps of: cluster head election, cluster migration and sensor node clearing-up, wherein all uncovered nodes are taken as cluster head nodes or become multi-hop member nodes of other clusters through neighbor nodes to finish node convergence. By the energy-saving data convergence method, the energy load of the whole network is equally allocated to each sensor node, and simultaneously, a data convergence technology is utilized to reduce energy consumption, eliminate data redundancy and increase available information streams from a source node to a base station, thereby fulfilling the aim of prolonging the service life of the whole network.

The invention discloses a communication interference suppression method suitable for a plurality of transmitting ends of a wireless charging system. The wireless charging system comprises a power supply, the power supply supplies power to the plurality of transmitting terminals, and each transmitting terminal communicates with a receiving end performing electric energy transmission with the same through amplitude modulation waves, and the working frequency bands of the different transmitting terminals for performing amplitude modulation wave communication are different from each other. By adoption of the communication interference suppression method suitable for the plurality of transmitting ends of the wireless charging system, the communication interference between different charging subsystems is greatly reduced, the communication interference problem between different transmitting terminals is solved just in a software processing mode without adding any peripheral hardware, so thatthe cost is reduced, and the operation is reliable.

The invention provides a method and device for determining a positioning area, and relates to the technical field of positioning. The method comprises the following steps of: Within a particular timeslot, through a plurality of positioning base stations corresponding to a specific area, acquiring first positioning information of a positioning terminal corresponding to the specific time slot, determining first position information of the positioning terminal based on the first positioning information, and determining whether the positioning terminal is in the specific area based on the first position information of the positioning terminal and the position information of the plurality of positioning base stations. The accuracy of determining the area where the positioning terminal is located can be improved, and the number of the positioning terminals in the positioning area can be determined in the same scene.

The invention relates to a power supply unit of an elevator car, which comprises an elevator running power generator for converting kinetic energy generated from the up and down movement of the elevator car into electric energy and also comprises an electric energy control device and an energy storage unit which are electrically connected with the elevator running power generator in sequence, wherein the electric energy control device is also electrically connected with an elevator car power consuming unit, and the elevator running power generator is a diversion sheave arranged on the top of the elevator car and having the function of generating power by cutting a magnetic line of force during rotation. Compared with the prior art, the invention reduces a part of traveling cables for delivering electric power to the elevator car, reduces communication jamming caused by the hybrid transmission of strong current and weak current, improves the reliability of a controlled signal, and reduces the energy consumption.

There is provided a communication apparatus and a communication system that reduces communication interference in inter-vehicle communication by considering the emergency degree of the environment around a vehicle and the accident incidence rate in each traveling scene and that raises the communication quality of high-emergency-degree data. The communication apparatus has a communication unit that has a power setting unit and performs inter-vehicle communication and a control unit that has a vehicle information acquisition unit for acquiring vehicle information and a reference vehicle position estimation unit for estimating the present position of a reference vehicle and controls the communication unit; when high-emergency-degree information of the reference vehicle is transmitted by use of vehicle information, the control unit controls the communication unit in such away that transmission is performed with increased transmission power.

The embodiment of the invention discloses a communication interference adjustment control method and a related product. An electronic device comprises a processor, a point-to-point communication chipand a target communication chip. The processor is connected with the point-to-point communication chip and the target communication chip, and the target communication chip comprises a cellular networkCell chip or a wireless high-fidelity Wi-Fi chip. The method comprises the following steps: when an electronic device detects that the point-to-point communication chip and the target communication chip are started at the same time, starting the point-to-point communication chip; judging whether the point-to-point communication chip and the target chip generate communication interference or not;if the electronic device judges that the point-to-point communication chip is in communication interference with the target chip, switching the point-to-point communication chip to the target chip; ifso, acquiring the first communication frequency of the point-to-point communication chip and the second communication frequency band of the target communication chip, adjusting the first communication frequency in the current communication frequency band of the point-to-point communication chip to reduce communication interference. The communication interference can be adjusted and controlled intime, and the efficiency and accuracy of communication interference adjustment and control can be improved.

The embodiment of the invention provides a data communication method and device and belongs to the technical field of data communication. The method comprises the steps of obtaining first measurementdata which is collected by each terminal device in a low power consumption state and is transmitted by each terminal device in M terminal devices when the M terminal devices are in a communication state capable of carrying out data transmission with a gateway device and N terminal devices are in the low power consumption state incapable of carrying out the data transmission with the gateway device; and obtaining second measurement data which is collected by each terminal device in the low power consumption state and is transmitted by each terminal device in the N terminal devices when the M terminal devices are in the low power consumption state and the N terminal devices are in the communication state. Data collection is carried out on X terminal devices by the gateway device in batches,so the load of the gateway device is effectively reduced. The terminal devices not carrying out the data collection are in the low power consumption state, so the power consumption when the X terminaldevices carry out the data communication is effectively reduced.

The invention discloses a data processing method and electronic equipment, and belongs to the technical field of communication. The method comprises the steps of obtaining a pre-stored first data code; generating a periodic pseudo-random sequence according to the first data code; encrypting a second data code to be sent according to the pseudo-random sequence to obtain a third data code; and obtaining a mobile industry processor MIPI data code based on the third data code. According to the embodiment of the invention, the frequency spectrum peak generated by the periodicity of data coding in the data transmission process of the MIPI interface can be effectively eliminated, so that the communication interference in the data processing and transmission process through the MIPI interface is reduced.

The invention discloses a single-anchor node positioning method based on target node mobility in a two-dimensional space, which comprises the following steps that: an anchor node executes a distance measurement process to obtain a distance from the anchor node to an initial position of the target node; the target node takes the initial position as an original point, establishes a virtual coordinate system, and linearly advances along the selected direction; the target node stops moving, and the moving distance is measured; the anchor node executes a distance measurement process to obtain the distance from the anchor node to the current position of the target node; a new direction is selected by the target node, the target node is linearly advanced along the new direction to stop moving, and a moving distance is measured; the anchor node executes a distance measurement process to obtain the distance from the anchor node to the current position of the target node; and the initial position of the target node is calculated according to the root. According to the single-anchor-node positioning method, the position of the target node can be measured in a scene with only one anchor node under the condition that the hardware complexity of the anchor node is not increased, so that the single-anchor-node positioning method has relatively high environmental adaptability and relatively lowsystem implementation cost.

The invention discloses a millimeter-wave return optimization method capable of being applied to a millimeter-wave wireless return system, which comprises the steps that a massive multiple-input multiple-output and dense small-cell two-layer heterogeneous network system is established; communication waves of a millimeter wave frequency band are adopted between a macro base station (MBS) and a basestation (BS), and millimeter waves are adopted between the base station and a user for wireless return communication; the user obtains energy from the base station through wireless power transmissionequipment; the power loss and energy efficiency of millimeter wave wireless return in the system are calculated; and the power loss and energy efficiency are calculated in the system adopting a millimeter wave return optimization scheme; and the steps are compared to obtain an optimal result. The millimeter-wave return optimization method has the advantages that the communication interference isreduced, the spectrum efficiency is improved, and the energy efficiency is improved.

The invention provides a frequency band replacing method and an apparatus. The method comprises the steps of receiving the identification information for identifying a second base station and sent from a terminal by means of a first base station when the strength of a wireless signal sent from the second base station within a first frequency band is larger than a threshold value, wherein the terminal is pre-accessed to the first base station and is in communication with the first base station within the first frequency band; according to the identification information, triggering the process of a frequency band replacing request to the second base station by the first base station. According to the technical scheme of the invention, the problem in the prior art that wireless communication services provided by multiple individuals or operators within the same frequency band during the wireless communication process are heavily interfered in communication effect can be solved. Furthermore, the effect of reducing the communication interference is realized.

The invention discloses a communication circuit and an air conditioner. The communication circuit comprises a main control substrate and a wire controller, wherein the main control substrate further comprises a power supply loop, a differential mode inductor, a communication loop and a common mode inductor; the common mode inductor is a chip inductor; the turning frequency of the common mode inductor is determined according to the preset shortest length of a first communication line and a second communication line; communication interference can be effectively suppressed even if the communication lines are relatively short; and manual insertion packaging is changed into chip miniaturization packaging, so that the layout flexibility and production convenience of a PCB substrate are greatlyimproved.

The invention discloses an Internet of Vehicles multi-hop broadcasting method based on a message type and a network connection state, and the method comprises the following steps: determining the type of an emergency message to be broadcasted by a source vehicle according to the severity of a detected emergency event; determining a network connection state by the current relay according to the one-hop neighbor information table, the retransmission times of the message and the current relay; according to the network connection state and the emergency message type, the current relay determines a relay strategy, fills the control message and broadcasts the emergency message according to the corresponding strategy; according to the control message, the candidate relay sets corresponding waiting time or adopts a responsibility transfer mechanism; and upgrading the candidate relay broadcasted first to the current relay, and repeating the steps until the emergency message is transmitted to the target area. The method is suitable for transmitting different types of emergency messages in an intermittent network, can adaptively adjust the relay strategy according to different network connection states and message types, and ensures that the emergency messages are transmitted to the target area with low time delay and high probability.

The present invention relates to the field of communications, discloses a bandwidth adjustment method and a bandwidth adjustment controller, the adjustment method comprising: according to the user request or channel state, determine the bandwidth update value of the channel of the first network system, and the bandwidth update value of the channel of the second network system, and the bandwidth update value of the protection bandwidth, so that the bandwidth of the first network system after the update, and the bandwidth of the channel of the second network system meets the requirements of the user request or adapt to the channel state. The application of this technical solution can be applied to multiple network systems to share a bandwidth resource, the channel between multiple network systems is adjusted, which is conducive to improving the application efficiency of bandwidth resources and ensuring the anti-interference ability of each network system.