62results about How to "Reduce communication power consumption" patented technology

The invention provides a portable water quality monitor, which comprises an upper computer and a lower computer, wherein the upper computer and the lower computer are connected through a communication middleware or a wireless communication part, and the upper computer comprises an upper computer human-computer interface part; the lower computer comprises a singlechip, a data acquisition part, an expanded SDRAM (synchronous dynamic random access memory) part and a lower computer human-computer interface part, the data acquisition part is provided with an SDI (standard data interface)-12 sensor connected with the singlechip through a flexible SDI-12 interface bus, and the SDI-12 interface bus is connected with at least one SDI-12 sensor through a successive type interface; the wireless communication part comprises a GPRS (General Packet Radio Service) wireless module; and a power source part comprises a selfcontained power source, a solar energy power source and a power source management module used for switching the power source into the selfcontained power source when voltage provided by the solar energy power source is not sufficient to maintain the work of the water quality monitor. In the invention, the number of sensors accessed into the portable water quality monitor is not limited, the data transmission is simple, and the data storage capacity is large.

The embodiment of the invention discloses a wireless earphone control system, method and device and a storage medium. The wireless earphone control system comprises a wireless earphone and a wearablecontrol device, a first long-distance lora module is integrated in the wireless earphone, and a second lora module is integrated in the wearable control device; the wireless earphone is in lora communication with the second lora module of the wearable control equipment through the first lora module; the wearable control equipment is used for receiving a gesture operation instruction input by a user, generating a control command based on the gesture operation instruction, and sending the control command to the first lora module of the wireless earphone through the second lora module; and the wireless earphone is used for receiving the control command through the first lora module and executing a control operation corresponding to the control command. According to the embodiment of the invention, convenient control of the wireless earphone can be realized through the wearable control device.

The invention discloses a low consumption control method for micro power wireless communication, a terminal and a system. The method comprises the following steps: receiving a data code broadcasted by a central controller, wherein the data code comprises a local time of the central controller, transmitting power of the central controller, a synchronization word, a broadcast time interval T, a communication state bit and a check code; updating the local time of terminal according to the local time of the central controller, and adjusting the transmitting power of the terminal according to the transmitting power of the central controller; and setting a time interval of waking from a shutdown state to establishing a communication connection with the central controller of a micro power wireless module as nT-tt-tp, and setting the micro power wireless module as the shutdown state, wherein tt refers to a preset time margin value, and tp refers to a time from sending a response message to the central controller to receiving a confirmation response message replied by the central controller.

The present invention relates to a full duplex method among mobile terminals, in particular to a TDD full duplex method among centreless mobile system terminals based on GSM half-rate coding. In detail, a receiver and a transmitter utilize GSM half-rate coding technology and incontinuous transmission characteristics of data on a time domain to accomplish TDD (time division duplex) including procedures below: A. The receiver and the transmitter firstly confirm receiving and transmitting sequence of odd and even frames; B. The receiver and the transmitter alternatively use a same frequency point and time slot in sequence confirmed in the procedure A. The present invention removes inconvenience in that a system of prior arts (FDD full duplex of GSM) only allows 32 pairs of users to call synchronously and utilizes transmission bandwidth (allow 64 pairs of users to realize full duplex call) more effectively and reduces communication power consumption (realize quick power control between receiving and transmitting).

The invention discloses a networking method of a wireless communication network. The wireless communication network consists of a center node and a plurality of sub nodes; meanwhile, the sub nodes in the network are subjected to different communication layers of logic division, and in each logic layer, backbone nodes and conventional nodes are identified; a system carries out networking according to network configuration; and the networking method comprises steps of beacon transmission, field strength collection and parameter configuration, wherein the center node carries out management allocation on received field strength information and corresponding node types according to a set network access field strength threshold, forms communication routing information of directly carrying out communication reachability, carrying out communication reachability by primary backbone nodes, carrying out communication reachability by secondary nodes and the like, and carries out management maintenance on the routing information. By using the center node to set up a basic network in a mode of managing a backbone network, stability of the network can be ensured to a great degree, and in the other aspect, after the routing information is determined, parameter configuration can be directly executed for a great number of common nodes by the backbone nodes, and thus, network communication time is greatly saved, and network communication power consumption is reduced.

The invention provides an Internet-of-Things data acquisition terminal energy-saving method based on a satellite orbit prediction algorithm. The method comprises the following steps: 1,starting an Internet-of-Things data acquisition terminal based on a satellite orbit prediction algorithm to enter a normal working state and enter a data acquisition mode, 2, after a data acquisition module of the Internet-of-Things data acquisition terminal based on the satellite orbit prediction algorithm acquires and stores the environment monitoring information through a sensor, closing a data acquisition mode, and entering an orbit prediction calculation mode; 3, judging whether the satellite enters the scene or not at the current time according to the orbit prediction result in the step 2, and if the Internet-of-Things data acquisition terminal enters the entry, the Internet-of-Things data acquisition terminal enters a data transceiving mode, communicates with the satellite, finishes sending or exits, all modules are closed, and the Internet-of-Things data acquisition terminal enters a standby low-power-consumption mode, so that the communication power consumption can be remarkably reduced, andthe communication success rate of the Internet-of-Things data acquisition terminal and the satellite can be improved.

The invention belongs to an oil liquid monitoring technology based on an embedded hardware platform and relates to a networking communication method of an on-line wind turbine generator gearbox oil liquid monitoring system. Remote real-time monitoring on water and metal particles in oil liquid of a wind turbine generator gearbox and a viscosity state of the oil liquid can be implemented. Each fan acquires relevant oil liquid quality data through a water sensor, a viscosity sensor and a metal particle sensor of a data acquisition unit of the on-line gearbox oil liquid monitoring system and transmits the data to a Zigbee wireless communication module in a wireless communication unit after the data is processed by a central processing unit. All sub fans route the data into a Zigbee wireless communication module of a main fan in a Zigbee networking mode of a mesh-based topological structure, and finally, the main fan packs all the data in a concentrative manner and remotely sends the data to a server terminal through a GPRS (general packet radio service) wireless communication module. The networking communication method can provide a high-reliability and low-cost effective monitoring measure to a wind turbine generator in a wind power plant, and due to the effective monitoring measure, faults can be found in time.

A self-adapting error-tolerant method which is used for on-chip network and is based on studying belongs to the field of the on-chip interconnection network. The invention is characterized in that the transmitting and receiving ends are respectively provided with a transmitting module and a receiving module. In the transmitting module, according to the known sequence which is transmitted to each path of the on-chip network by the error-tolerant method selector and the received sequence, an error probability p of each path channel and an error probability q which can not be corrected by the error correction code when error exists are calculated out. To the data inputted by the intelligent IP block, the error retransmission method and mixed fault-tolerant method is determined by firstly encoding with the error detecting code encoder and then comparing the magnitude of p and kd-kh / kd-kh*q thereby determining whether the data should be transmitted to the error detecting code encoder. The procedures are opposite at the receiving end, whether the data should be transmitted to the error detecting code encoder is determined according to the error-tolerant flag bit in the data package, and then the data package is executed with error detection through the error detecting code decoder for determining whether the data package needs retransmission. The invention increases the throughput of the on-chip network and reduces the transmission delay and communication power consumption.

The invention discloses an adaptive Bluetooth transmission method based on flow perception. The method comprises the following steps: S1, obtaining data flow of a Bluetooth device at a next moment and a response delay of the same at the next moment; S2, determining a connection parameter of the Bluetooth device satisfying the demands of the data flow at the next moment and the response delay at the at the next moment and having the minim power through a preset connection parameter model according to the data flow at the next moment and the response delay at the at the next moment; and S3, configuring the Bluetooth device through the connection parameter to perform data transmission. The adaptive Bluetooth transmission method disclosed by the invention has the advantages of not only meeting the requirements of the network throughput and the delay of the Bluetooth device, but also effectively reducing the communication power consumption of the Bluetooth device, and being simple in algorithm and high in response speed.

A method of transmitting the audio information by using a wireless earphone, includes performing communication verification with an earphone part via a first data network via one or more wireless interfaces of a first audio device; determining the communication verification to create the registration of the earphone part on the first audio device and generate a connection identifier; and setting,by a connection switching device, the earphone part as a second priority connection via a second data network when the first data network connection is disconnected, and carrying out voice data transmission on the wireless earphone via the second data network according to the connection identifier, wherein the earphone part is switched from the first data network to the second data network so as to execute the second priority connection through the second data network without interrupting the audio data transmission with the wireless earphone.

The invention discloses NB-IOT-based high-voltage cable low-power-consumption online monitoring equipment. The NB-IOT-based low-power-consumption online monitoring equipment comprises a current sensor, an AD conversion module, a main control chip, a PC terminal, an upper computer, an NB-IOT wireless communication module, a sensor group and a power management module. According to the invention, the main control chip carries out priority classification on various required data through equipment working modes, sheath current data and fault recording data are set as a first priority, and the data of the level need to be transmitted in all working modes. Data such as temperature, vibration and equipment information are set as a second priority, and the data of the level can be transmitted only in a normal working mode. In the data transmission process, through the limitation of the sizes of the data packets, the data packets with the too large data size are removed, uploading of invalid data is reduced, in different working modes, the frequency of data communication and the transmission amount of data communication can also be correspondingly changed, communication power consumption is reduced, and normal operation of equipment is also guaranteed.

The invention provides a portable water quality monitor, which comprises an upper computer and a lower computer, wherein the upper computer and the lower computer are connected through a communication middleware or a wireless communication part, and the upper computer comprises an upper computer human-computer interface part; the lower computer comprises a singlechip, a data acquisition part, an expanded SDRAM (synchronous dynamic random access memory) part and a lower computer human-computer interface part, the data acquisition part is provided with an SDI (standard data interface)-12 sensor connected with the singlechip through a flexible SDI-12 interface bus, and the SDI-12 interface bus is connected with at least one SDI-12 sensor through a successive type interface; the wireless communication part comprises a GPRS (General Packet Radio Service) wireless module; and a power source part comprises a selfcontained power source, a solar energy power source and a power source management module used for switching the power source into the selfcontained power source when voltage provided by the solar energy power source is not sufficient to maintain the work of the water quality monitor. In the invention, the number of sensors accessed into the portable water quality monitor is not limited, the data transmission is simple, and the data storage capacity is large.

The invention, which relates to the technical field of vehicle networking, provides a shared vehicle unlocking method and device, electronic equipment and a storage medium. The method comprises the following steps: receiving identifier information of a target shared vehicle; and broadcasting the identifier information to enable one or more shared vehicles to determine whether to unlock or not according to the identifier information after receiving an unlock instruction for the target shared vehicle. Therefore, the unlocking speed can be increased and the unlocking failure rate can be reduced.

The invention provides an information transmission method, a communication device, portable equipment and a communication system. The method is applied to the portable device. The method comprises thestep of receiving and / or sending information in an electric field coupling mode through a first coupling electrode arranged on the portable equipment and a second coupling electrode arranged at the opposite end. In the embodiment of the invention, the information is received and / or sent in an electric field coupling mode, so that the communication quality and the connection reliability can be improved on the basis of reducing the communication power consumption of the portable equipment (such as an earphone or a charging box), the size of the portable equipment can be reduced, the structure can be simplified, and the user experience can be further improved.

The invention discloses an intelligent bicycle lock based on LoRa, relates to the technical field of electronic locks and specifically relates to an intelligent bicycle lock which mainly comprises a lock body, a key ring and a control circuit system. The intelligent bicycle lock is characterized in that the lock body is of an electronic bicycle lock structure, information is received and transmitted by a LoRa technology to communicate, power consumption is low, a distance is long, and sensitivity is high; furthermore, power is supplied for the lock body by a solar cell and a built-in standby cell. The invention further discloses a unique bicycle key, and operations of locking, unlocking, finding a bicycle and the like can be achieved through the matched key ring; meanwhile, the intelligent bicycle lock has remote-distance antitheft monitoring and locating functions; furthermore, the whole bicycle lock has the characteristics of low power consumption and long service life. Along with deployment of a global LoRa network, a LoRa-supported terminal scale will be further expanded; thus, development and popularization of the intelligent bicycle lock can be further pushed; the intelligent lock based on the LoRa disclosed by the invention has very great market application prospect.

The invention relates to the technical field of continuous analyte monitoring, and discloses a communication method and device, and the method comprises the steps: receiving a first instruction or a second instruction through a first wireless communication link by electronic equipment, and switching a second wireless communication link between a low-power-consumption mode and a normal mode; in the low-power-consumption mode, the first communication unit is in a closed state, and the working period of the second communication unit is a first period; in the normal mode, the electronic device continuously sends the analyte concentration to the receiving device at a second period through a second wireless communication link; if the second wireless communication link is in a low power consumption mode, when the analyte concentration exceeds a preset threshold range, the electronic equipment sends prompt information to a user through the second wireless communication link; when the electronic equipment receives the first feedback information, the low-power-consumption mode is switched to a normal mode; the first feedback information is obtained by confirming the prompt information by the user. According to the invention, power consumption is reduced, and operability and convenience of a user are ensured.

The invention provides a method for electrocardiogram data compression, a terminal and a storage medium. The method comprises the following steps: performing segmentation fitting on electrocardiogram data according to a set error to obtain a plurality of line segment sets; acquiring a starting point abscissa set Hs, an end point abscissa set He, a starting point ordinate set Vs and an end point ordinate set Ve of each line segment, wherein the starting point ordinate set Vs and the end point ordinate set Ve are the same; representing each ordinate in the starting point ordinate set Vs by a data interval; and compressing the starting point ordinate set Vs, and recording an ordinate compression result Wvs, the starting point abscissa set Hs and the end point abscissa set He so as to represent the compressed electrocardiogram data. According to the compression method provided by the invention, the electrocardiogram data is compressed twice, so that the data compression rate is increased, the storage space can be reduced, and the requirement on the communication bandwidth and the communication power consumption are reduced.

The invention discloses a water environment monitoring system based on a wireless sensor network, and an information integration method thereof, and relates to an environment monitoring system and an information integration method thereof. The water environment monitoring system is formed by water environment parameter acquisition nodes, communication gateways and a remote monitoring system, wherein the information is transmitted to the remote monitoring system through a GPS network, and then remote monitoring can be realized. And at the same time, as the data volume of the original data acquired by the water environment parameter acquisition nodes in the whole monitoring area is too large, the invention provides a monitoring information integration method. During the process of data collection of each gateway, the monitoring information integration method utilizes calculation and storage capacity of the gateways to integrate the data and reduce the data transmission quantity so as to improve the accuracy of the data and reduce the energy consumption of the gateways. The water environment monitoring system based on a wireless sensor network introduces the wireless sensor network into the water environment monitoring system, and has the advantages of being wide in distribution of distribution points, being low in cost, being high in fault tolerance, being able to realize remote monitoring, and being convenient for maintenance.

The invention discloses Internet of Things wireless star network low-power consumption equipment which comprises a concentrator, a plurality of collectors and equipment corresponding to the collectors, and a star network is formed between the concentrator and the collectors; the concentrator compares the collector network retreating quantity value with a network retreating quantity threshold value; and when the condition meets the set condition, the concentrator adjusts the collector network access sequence list, and the collector calculates the wake-up time of the next period according to thedistributed network access sequence number, the number of the accessed collectors, the time interval between the collectors and the uploading time of the previous collector data packet. The whole wake-up period of the concentrator can be dynamically adjusted along with the conditions of network access and network withdrawal, the network communication power consumption is reduced, the electrification time is prolonged, meanwhile, equipment can be directly replaced when the concentrator works abnormally, and the normal work of the collector is not influenced.

The invention provides a method and device for prolonging an endurance time. The method comprises the following steps: in an automatic adjustment mode, acquiring current dump energy; determining a power saving mode according to the dump energy and a first corresponding relation; and adjusting WIFI parameters according to the determined power saving mode and a second corresponding relation, wherein the value of the dump energy is in direct proportion to the communication power consumption of the device that uses the power saving mode corresponding to the dump energy. According to the method and device provided by the invention, the WIFI parameters are adjusted according to the current dump energy, and the WIFI parameters are dynamically adjusted to achieve the purpose of prolonging the endurance time.

The invention discloses an RF-based traffic light voice reminding system. A main control system comprises readers, a signal transmitting and receiving device 1, a main controller and a traffic light signal system. A voice reminding system comprises an electronic tag, a signal transmitting and receiving device 2, a slave control, and a loudspeaker. Each traffic light intersection is provided with two readers which are suspended at the front and rear sections of the traffic light intersection by roadside mounting brackets respectively. The sensing directions of the two readers both face the driving direction of vehicles. The main controller and the signal transmitting and receiving device 1 are installed at the traffic lights and connected to a traffic signal system. The reader 1 and the reader 2 transmit RF signals to the electronic tag the through the signal transmitting and receiving device 1 and the signal transmitting and receiving device 2. The electronic tag is connected to the slave controller. The RF-based traffic light voice reminding system can accurately play the real-time traffic light information at a suitable position and automatically stops the playing after a vehiclepasses the traffic light intersection, thereby improving the safety factor of the driver.

The invention discloses a wireless bus communication method based on backscattering, and belongs to the field of backscattering. The method comprises the steps that a gateway sends a wireless signal containing a clock and data to a processor-free Internet of Things terminal, meanwhile, the wireless signal containing the clock serves as a carrier wave, and when a sensor chip has output data, a datasignal in a standard data bus signal is modulated to the carrier wave and transmitted back to the gateway. A traditional computer bus signal is converted into a wireless signal through a passive backscatter communication technology, and the terminal does not need to generate a high-frequency carrier for wireless communication, so that the communication power consumption is reduced; moreover, thedata and the clock of the computer bus signal can be simultaneously transmitted through one path of wireless signal, and the gateway can be directly recovered into a digital bus signal after receivingthe wireless signal, so that the direct intercommunication of the computer bus signal and the wireless signal without the participation and control of a processor is realized in the uplink communication direction.

The invention discloses an optical communication method, device and system. The problems that optical communication alignment is difficult, communication link quality is unstable and optical mimo power consumption is high are comprehensively solved by comprehensively utilizing an optical mimo technology, a wake-up technology containing sequential control and an incoming light direction estimationand tracking and multi-path combination technology. The scheme comprises the following steps: determining an optical communication direction according to a received first signal; determining at leastone target light receiving device and at least one target light sending device; and waking up the at least one target light receiving device in the dormant state and the at least one target light sending device in the dormant state, and performing optical signal communication of optical alignment with an opposite end sending the first signal through the optical communication direction. According to the scheme, optical signal receiving and transmitting can be performed directionally, the wireless optical signal communication stability is improved, and the overall communication power consumptionis reduced.

The invention discloses a bidirectional communication method of a wireless terminal. The bidirectional communication method comprises the following specific steps: a handshaking stage: realizing timing sequence synchronization; sending a command to the wireless terminal by a base station: broadcasting the command by the base station within an appointed time period, starting receiving by the wireless terminal within the time period, and carrying out timing sequence correction again while receiving; sending a command to the base station by the wireless terminal: broadcasting the command within the appointed time period when an external signal is received by the wireless terminal and a message is required to be sent to the base station, starting the receiving for 2 ms, immediately replying after the command is received by the base station, considering that the command transmission is completed after the command replied by the base station is received by the wireless terminal, and stopping sending and receiving. The bidirectional communication method disclosed by the invention has the advantages of high communication efficiency, low command transmission delay and the like.

The invention discloses a low-power-consumption digital identification remote transmission meter reading device and an identification method thereof. A water meter image collected by a meter reading device is transmitted to an MCU chip, the MCU chip performs binarization processing on an original image containing a water meter digital area by adopting a local adaptive threshold algorithm, and a binary image of the water meter digital area is extracted; extracting each digital area again; removing a background area of each water meter digital area by using morphological corrosion and dilation operation; and judging whether each extracted number region is a half-word region or not, if so, expanding the half-word region into a full-word region, then calculating the similarity between the full-word region and each number template in the template library, and selecting the template region with the maximum probability as a final number recognition result. And the identification result is transmitted to the water affair server through the wireless communication module. The invention is used for solving the problems of high power consumption and low transmission rate of the existing camera shooting direct-reading type remote meter reading device.

The invention discloses an OFDM-based oversampling signal demodulation method and system and a receiving end, which are applied to an asymmetric communication architecture with a larger first signal sampling rate of the receiving end than a second signal sampling rate of a sending end. The method comprises the following steps that the receiving end carries out oversampling on a continuous OFDM signal in a time domain at the first signal sampling rate in order to obtain an oversampling OFDM signal in the time domain, and the receiving end carries out compensation calibration on the oversamplingOFDM signal to realize phase synchronization by utilizing a characteristic that a phase difference exists when the oversampling OFDM signal with the time delay in the time domain is mapped to a frequency domain; and the receiving end utilizes a kernel density estimation algorithm and a maximum likelihood decoding algorithm to demodulate the oversampling OFDM signal after compensation calibrationin order to restore an original signal. By means of the method, the system and the receiving end, the power consumption of the sending end can be reduced while the accuracy of signal demodulation is improved.

The invention discloses a signal automatic adjustment method, a terminal and a computer-readable storage medium, which relate to the technical field of signal adjustment. The method comprises: obtaining the current adjusting information; determining whether the current adjustment information is included in the tuning parameter comparison table; and when the tuning parameter comparison table contains the current adjustment information, determining the most important harmonic parameter corresponding to the current adjustment information according to the current adjustment information and the tuning parameter comparison table, and setting the current tuning parameter as the most important harmonic parameter. The invention can adjust the signal strength of the terminal in real time and quickly, reduce the problems of intermittent communication and slow Internet access rate, effectively improve the user communication experience under the environment of weak signal strength, meanwhile, the improvement of the signal strength reduces the communication power consumption under the environment of weak signal strength, and can improve the endurance experience.

The invention discloses an express delivery information notification method, an express delivery information notification system and a storage medium. The notification method comprises the steps thatin responsed to a notification instruction, broadcast information is sent to the receiving device through the information distribution device, the receiving device inquires express delivery information corresponding to the receiving device according to the broadcast information, and if the express delivery information corresponding to the receiving device is inquired, prompt information is sent out through the receiving device. According to the notification method, after the information distribution device receives the notification instruction of express delivery, the broadcast information issent to the receiving device, so that the receiving device can inquire whether a corresponding express is delivered according to the broadcast information, and when the receiving device inquires thatthe express is being delivered, a prompt message is sent out; therefore, the recipient holding the receiving device can receive the express delivery notification. Therefore, the notification cost of the courier to the recipient when the courier delivers the express is saved, and the delivery efficiency of the courier is improved.

The invention discloses a smart park situation awareness system based on the Internet of Things, which can provide high-speed, low-delay and wide-coverage data connection and transmission among patrol terminals, sensing nodes and a cloud end, can perform real-time scheduling of the patrol terminals according to specific applications, and solves the problems of low data volume, high data transmission efficiency and the like of a monitoring system. Information of all monitoring areas cannot be shared, and response cannot be made to special situations in time. Each sensing device can serve different application service layers, that is, each sensing layer node covers various sensing devices according to different application scenes, and can be shared and used through a mobile phone interaction system or a front-end control device according to actual application. Broadcast communication is carried out among the plurality of block nodes through the public communication channel, so that inter-point communication can be realized when one application calls the plurality of block nodes, the communication power consumption is greatly reduced, and the utilization rate of resources is improved.

The invention relates to a control method for an intelligent street lamp system. Each street lamp is in the communication connection with other street lamps within a communication range. The street lamps are used for detecting whether a vehicle passes through the street and recording information of the passing vehicle. The street lamp which detects the passing vehicle generates a signal and successively executes an initial rule and a transmission rule. The street lamp is lighted after receiving the signal and executes the transmission rule. In each street lamp, the transmission rule which is being executed is covered by the transmission rule which is executed later. The method is capable of, according to the speed of the vehicle at night, determining the illumination scale of the neighboring street lamps.