69results about How to "Extend communication time" patented technology

Provided is a radio communication system for ultra wideband (UWB) impulse communications and a radio communication apparatus and method thereof. The present patent provides a radio communication system that can minimize power consumption by eliminating a need for carrier detection and sharing transmission / reception time information in UWB impulse communications. The system includes a network coordinator; and one or more devices communicating on a superframe basis in subordination to the network coordinator. The devices perform data transmission / reception in predetermined time slots and then they are inactivated to thereby reduce power consumption.

An implantable stimulation device including a stimulation module and a data communication module. The stimulation device includes electrodes to delivery stimulation pulses, a voltage source, a DC-blocking capacitor and autoshort switch. The voltage source is connected to the electrodes via stimulation-pulse-switch(s) that controls delivery pacing pulses. The DC-blocking capacitor is connected with the voltage source and an electrode. The autoshort switch allows discharging of the DC-blocking capacitor via the electrodes when closed. The data communication module includes a data transmission control module connected to the autoshort switch and / or the at least one stimulation-pulse-switch, to alternatingly open and close the autoshort switch or the at least one stimulation-pulse-switch respectively, during an autoshort period following the delivery of a stimulation pulse or during a stimulation pulse period, respectively, to modulate an autoshort pulse or a stimulation pulse peak amplitude, respectively.

The invention discloses a connection method for a binaural Bluetooth earphone. The binaural Bluetooth earphone comprises a first Bluetooth earphone and a second Bluetooth earphone. The method comprises the steps of carrying out alternate connection with the first Bluetooth earphone and the second Bluetooth earphone through utilization of a pre-stored first Bluetooth address and a second Bluetooth address; obtaining residual electric quantities of the first Bluetooth earphone and the second Bluetooth earphone; determining a master earphone and a slave earphone according to the residual electric quantity of the first Bluetooth earphone and the residual electric quantity of the second Bluetooth earphone; and establishing Bluetooth connection with the determined master earphone through utilization of a Bluetooth address corresponding to the determined master earphone, and controlling the determined master earphone to be connected with the determined slave earphone. According to the technical scheme provided by the invention, the master earphone and the salve earphone are smartly switched, the power consumption of a system is reduced, a mobile phone can be flexibly connected with the earphone with the relatively high residual electric quantity, the communication time of the binaural wireless earphone is prolonged, and the user experience is improved.

The present invention relates to a multi-processor satellite real-time simulation platform which consists of three or more than three ARM processors, and two or more than two DSP processors with an FPGA as an intermediate memory. The ARM1 is used as the computer of the simulation satellite control center; the ARM2 is used in the space environment of the simulation satellite; the ARM3 is used for the kinetic calculation of the satellite; the DSP1 is used for completing the calculation of a sensor model; the DSP2 is used for completing the calculation of an actuating mechanism; the ARM1 sends data to the DSP1 so as to acquire instructions; the DSP1 sends the acquired data instructions to the ARM2 and the ARM3, fetches relevant data from the FPGA, and transmits the data to the ARM1; the ARM1 completes the calculation according to the read data, and acquires the corresponding attitude orbital parameters; if the parameters satisfy the requirements, the satellite enters the normal mode; if the parameters do not satisfy the requirements, the ARM1 sends control instructions to the DSP2 so as to control the actuating mechanism; the DSP2 transmits the corresponding data to the ARM2 and the ARM3 through the FPGA after completing the calculation, until the attitude orbit can satisfy the corresponding requirements. The platform simplifies the complexity of the system, lowers the difficulty of the simulation, and improves the real-time performance of the simulation.

In a multiservice wireless communication system according to the present invention, a location manager 47 of a multiservice terminal 140 detects its own position with a GPS receiver interface 49. The location manager sends the detected positional information to a management server 110 via a common-signaling wireless network base station 100 in which respective multiple service zones serviced by multiple wireless systems overlap in a common-signaling wireless zone and acquires information on available wireless systems as a response to that. A network selecting section 44 selects a wireless system that most matches selecting conditions from the acquired available wireless systems and performs communication via the interfaces 40 and 41 that operate the selected wireless system.

In the communication system, a master station is coupled to slave stations by a fiber network comprising a splitter and a reach extender, the master station includes a first bandwidth control section which determines, based on a request from each slave station, a first data amount of a signal transmitted in a first cycle, the reach extender includes: a distance measurement section which measures a distance or a time between the reach extender and each slave station; and a second bandwidth control section which determines a second data amount and transmission timing of a signal based on a request from each slave station and the first data amount, and each slave station transmits a signal with a data amount, which the first bandwidth control section determined based on a data amount and transmission timing determined in second cycles, to the master station in the first cycle.

Provided is a method and apparatus for performing discovery between devices in a network. Using event-driven discovery, devices conserve energy resources and more rapidly join a given network. The event-driven discovery detects a common-event associated with a first device preparing to communicate with a second device. The first device then discovers the second device in response to detection of the common-event. For example, this common-event could be a handshake with another person. During discovery, the first and second devices exchange respective information and optionally may establish a communication session to exchange further information if desired.

An access point for establishing wireless connection with one or more wireless communication stations which can perform intermittent reception operation, based on a packet transmission system which allocates wireless bands by CSMA / CA, has: unit for describing, in a same packet or in respective packets, buffering information on a downlink packet addressed to a subordinate wireless communication station currently in an intermittent reception state, and transmission prohibition period information indicating a period where transmission from the subordinate wireless communication station is prohibited; unit for transmitting the instruction described packet, in which the description has been made, to the subordinate wireless communication station; unit for making a state of the access point transit to a Doze state immediately after the instruction described packet is transmitted, or when a predetermined number of downlink packets are transmitted; and unit for making a state of the access point transit to an Awake state when the transmission prohibition period elapses from the time of transmission of the packet in which the prohibition period information is described.

The invention relates to a mobile station apparatus in a communication system. The communication system comprises a plurality of base stations for providing mobile communication service within a covered communication area. The mobile station apparatus comprises a memory for recording a predetermined access control class and determining which base station the mobile station apparatus is allowed to camp on for conducting mobile communication service, a battery for providing electrical power, a control program, and a power detector for detecting the current power of the battery, so that when the power detector detects that the power is lower than a predetermined low power watermark, the power detector issues a trigger signal. When the control program receives the trigger signal, the control program overwrites the predetermined access control class, so as to allow the mobile station apparatus to conduct mobile communication service through other base stations in the communication area.

A dynamic priority dispatching method of satellite network many-to-one communication conflicts belongs to the satellite communication network field. The method includes calculating the time window of a current satellite communication task, judging whether the time window of the communication task is larger than the minimum execution time of the communication task, calculating the priority of the communication task if the communication task is larger than the minimum execution time of the communication task, judging whether the priority of the current satellite communication task is the highest by a target satellite, and communicating with the current satellite if the priority of the current satellite communication task is the highest. The method has the advantages that randomness of the communication task is considered, the method is suitable for relay satellite communication system with fixed or random communication tasks; the change of the task priority dynamic can fully utilize the task spare time, so that the communication time of the satellite is improved; the algorithm is simple, the needed resources are less, and the method is suitable for satellite communications with limited communication resources.

The invention relates to a mobile station apparatus in a communication system. The communication system comprises a plurality of base stations for providing mobile communication service within a covered communication area. The mobile station apparatus comprises a memory for recording a predetermined access control class and determining which base station the mobile station apparatus is allowed to camp on for conducting mobile communication service, a battery for providing electrical power, a control program, and a power detector for detecting the current power of the battery, so that when the power detector detects that the power is lower than a predetermined low power watermark, the power detector issues a trigger signal. When the control program receives the trigger signal, the control program overwrites the predetermined access control class, so as to allow the mobile station apparatus to conduct mobile communication service through other base stations in the communication area.

The invention discloses a wireless communication method which comprises the steps that an access point generates a first beacon frame at a first time point, the first beacon frame comprises the broadcast cycle information of the first beacon frame, and the broadcast cycle information of the first beacon frame represents the broadcast cycle of the first beacon frame; the first beacon frame is sent according to the broadcast cycle of the first beacon frame; a second beacon frame is generated at a second time point, the second beacon frame comprises the broadcast cycle information of the second beacon frame, and the broadcast cycle information of the second beacon frame represents the broadcast cycle of the second beacon frame; according to the broadcast cycle of the second beacon frame, the second broadcast frame is transmitted; and the broadcast cycle of the first beacon frame and the broadcast cycle of the second beacon frame are different. The invention further discloses access point equipment, the transmitting cycles of the beacon frames are greatly shortened, effective communication time is prolonged, and the effectively using rate of spectrums is improved.

The invention relates to a serial communication interface time sharing multiplex device based on a programmable logic controller, which is characterized in that one RS-232C interface of a programmable logic controller (PLC) is simultaneously connected with two or more than two pieces of equipment carrying out communication through the RS-232C interface. ( wherein RS refers to the recommended standard, 232 refers to the identifier and C refers to the last revision) and belongs to the technical field of automatic control equipment. The RS-232C interface on the programmable logic controller in the device is firstly connected with the RS-232C interface of a first RS485 / RS232C converter; the RS485 interface of the first RS485 / RS232C converter is connected with two RS485 / RS232C converters in parallel; the two RS485 / RS232C converters are respectively connected with external equipment carrying out communication with different programmable logic controllers through the normally open contact and the normally closed contact of a relay. In the invention, the RS-232C interface of a PLC native is simultaneously connected with two or more than two pieces of equipment carrying out communication through the RS-232C interface, and thereby, the hardware cost of a communication port expansion module is saved.

The invention discloses a gene sequencing instrument, a control device and method of the gene sequencing instrument. The device includes a first controller used for transmitting an initialization instruction, a random access memory used for storing sequencing flow control information, and a second controller which is connected with the first controller and the random access memory and is used for receiving the initialization instruction, performing initialization configuration on devices in the gene sequencing instrument according to the initialization instruction, reading the sequencing flow control information from the random access memory, and controlling the devices in the gene sequencing instrument to work according to the sequencing flow control information. With the control device of the gene sequencing instrument provided by the embodiment of the invention adopted, a gene sequencing process can be greatly shortened, and the flux of the gene sequencing instrument can be improved.

In the communication system, a master station is coupled to slave stations by a fiber network comprising a splitter and a reach extender, the master station includes a first bandwidth control section which determines, based on a request from each slave station, a first data amount of a signal transmitted in a first cycle, the reach extender includes: a distance measurement section which measures a distance or a time between the reach extender and each slave station; and a second bandwidth control section which determines a second data amount and transmission timing of a signal based on a request from each slave station and the first data amount, and each slave station transmits a signal with a data amount, which the first bandwidth control section determined based on a data amount and transmission timing determined in second cycles, to the master station in the first cycle.

The invention provides a D2D relay multicast method assisted by a network. The method comprises the steps that: a base station receives position information and broadcast distance information reported by each D2D terminal; a data transmission request sent by a sender is received; a communication group is established for data transmission, and group identifiers are distributed; and if there is a target terminal arranged in the broadcast range of the sender, then relay nodes are selected for all target terminals outside the broadcast range of the sender. According to the invention, the plurality of target terminals randomly arranged in a D2D range of a cellular network are enabled to receive data sent by a sending terminal, the energy consumption and load conditions of the relay nodes are also considered, the continuous D2D communication is ensured, and the D2D communication time is prolonged.

A method and apparatus for saving power of a multi standby mobile terminal are provided that can reduce power consumption by limiting an unnecessary operation in a communication mode that does not perform a communication service in the multi standby mobile terminal. The method of saving power of a multi standby mobile terminal includes detecting whether a communication event is generated; acquiring, if a communication event is generated, a communication service; and operating the multi standby mobile terminal in a communication mode of the acquired communication service.

The invention discloses a networking method for an emergency communication network for a mining area and a communication system for the mining area. Due to the facts that each downstream node carries out communication by selecting an upper-level node which is the shortest in path and the strongest in signal receiving, and the emission power of each downstream node is gradually reduced to be at passable lowest level, the communication network with low power consumption can be established flexibly and rapidly; due to the fact that the multi-radio-frequency communication mode is adopted, the problem of mutual interference between terminal access and a network cascade channel is effectively solved, the network connection rate is increased and the continuous transmission capacity of comprehensive data services is improved. Therefore, a high-quality scheme is provided for establishment, maintenance and use of the low-power-consumption emergency communication network for the mining area, powerful communication support is provided for emergency rescue of accidents in the mining area.

The invention discloses a satellite ground control system facing an intelligent terminal and relates to the satellite ground control communication technology field. The system comprises a ground control station, a server and the intelligent terminal. The measurement and control resource of a ground measurement and control station is abstracted into a network resource and then the resource is stored in the server. The server manages information interaction between a satellite and ground. A communication chain is accessed to a satellite transit switching ground measurement and control station. When the server has a fault, a ground instruction is uploaded to the satellite. Ground personnel can especially access a fault-free ground measurement and control station when the ground measurement and control station has the fault. The opportunity of accessing the plurality of ground stations is provided for ground working personnel. The ground working personnel can use the system to control thesatellite through the intelligent terminal anytime and anywhere and can effectively extend communication time with the satellite, and communication reliability is increased.

The invention relates to a pairing method and device for user equipment and a server. The method comprises the following steps: detecting the type of main machine equipment paired with the user equipment at present and detecting whether main machine equipment communicated with the user equipment in type of a gateway around the user equipment is available or not; when the type of the main machine equipment paired with the user equipment at present is an intelligent terminal and at least one main machine equipment communicated with the user equipment in type of the gateway around the user equipment is available, determining the main machine equipment in type of the gateway paired with the user equipment in the at least one main machine equipment in type of the gateway; sending a pairing command to the main machine equipment in type of the gateway paired with the user equipment, wherein the main machine equipment in type of the gateway is paired with the user equipment according to the pairing command. According to the technical scheme, over-long communication time of the user equipment and the intelligent terminal can be avoided, the power consumption of the intelligent terminal is reduced, and the standby duration of the intelligent terminal is prolonged as much as possible.

A wireless communication system for high-speed motion use, capable of shortening the frequency channel search time and increasing the communication time available for service. The system includes an access point communicating on a designated one frequency channel and a mobile terminal communicating on the same received channel by receiving radio waves transmitted by the same access point. As for mobile terminal, in a storage, priority data is stored for a channel search in which arbitrary priorities can be set respectively for the channels. Frequency channel search sequence data, set up so that the number of times of appearance becomes greater for channels for which the priority data are set higher, are generated on the basis of the relative data, and a search of communication-capable channels is carried out in accordance with the same channel search sequence data.

The invention discloses a spectrum sensing and distributing method and system based on the ground digital video broadcasting frequency band. An energy detection algorithm and a cyclic prefix algorithm are loaded in a base band processing module. The frequency band can be detected by setting the energy threshold value according to the energy detection algorithm. The energy detection algorithm is used for detecting the frequency band which is not occupied by cognitive users. The cyclic prefix algorithm is specially used for detecting a DVB-T signal. In the frequency band occupied by the cognitive users, whether the frequency band is reoccupied by an authorized user or not can be detected according to the cyclic premix algorithm, and if the authorized user is detected, the cognitive users stop occupying the frequency band at once, and interference with the authorized user is avoided. By means of the spectrum sensing and distributing method and system, full-band detection can be conducted on the DVB-T frequency band, self-adaptive frequency band switching can be achieved, and the idle frequency band can be accurately found in real time and can be distributed to all the cognitive users for use. On this basis, the authorized user can be detected, and the cognitive users can exit in time and switch to other idle frequency bands.

The invention discloses a traveling vehicle communication method based on a clustering routing protocol. The traveling vehicle communication method comprises the steps of acquiring the traveling direction of each traveling vehicle in a target road; clustering the traveling vehicles traveling in the same direction according to a preset range; determining a target vehicle serving as a cluster head according to the clustering condition; and enabling the target vehicle to be in communication connection with each driving vehicle according to the communication rule. Due to the fact that the traveling vehicles traveling in the same direction can be kept within the preset range for a longer time, the communication time between the traveling vehicles in the clusters is prolonged, the stability of the communication state between the traveling vehicles can be improved, the communication success rate is improved, and the communication quality of the whole Internet of Vehicles is improved. The invention further discloses a traveling vehicle communication device based on the clustering routing protocol and a computer readable storage medium which have the above beneficial effects.

The invention discloses a team exploration auxiliary communication and management method based on a wireless sensor network. A plurality of unpredictable losses of individuals, teams and even the whole society can be occurred caused by the fact that various extreme climates and bad natural environments are inevitable in team exploration. The method is a feasible scheme for exploring and solving communication and management in the team exploration. Based on the WSN (Wireless Sensor Network) technology, the method applies a ZigBee network to realize transmission of voice short messages in the team, and provides high-efficiency and energy-conservation positioning service through analyzing relative position information among general member nodes, enhanced member nodes and team leader nodes and assisting by GPS (Global Positioning System) positioning information which is provided by anchor nodes after the nodes and the information are synthetically processed. Under various extreme environments of existing systems incapable of working effectively, the method can reduce risk, avoids possible accidents, and improves the success rate of processing abnormal accidents.

The invention relates to an Internet of Things instrument low-power consumption timed remote communication method, which belongs to the technical field of Internet of Things communication and solves atechnical problem of reduction of service life of a battery caused after timed communication of an Internet of Things instrument. A technical scheme for solving the problem mainly comprises the following steps: checking whether the Internet of Things instrument reaches a timed communication moment, checking times of failure of communication, checking whether execution of timed communication is allowed, and checking a result of communication and recording related information. The method provided by the invention has the advantages of automatically performing timed communication frequency adjustment for the Internet of Things instrument according to a network state of an environment where the Internet of Things instrument is located, and remaining battery capacity, consequently reducing unnecessary communication trial, reducing meaningless electricity consumption and prolonging service life of the battery under a condition where uploaded data satisfies basic application.

The invention relates to the technical field of biology, in particular to a method for improving social intercourse disorders of autism, and provides a method which can improve social intercourse disorders of an autism mouse model. According to the method, a specific knock-down vector specific to human-derived methyl CpG binding protein 2 (hMECP2) is constructed, and the specific knock-down vectoris injected into a hippocampal cornu ammonis 1 (CA1) region of the MECP2-transgene (MECP2-TG) autism mouse model by a stereotactic injection method, and thereby, the social intercourse disorders of the autism mouse model are improved.

The invention discloses a method and a system for adding video friend-making connection duration, a storage medium and an electronic device, and relates to the field of video friend-making of webcasts. The method comprises the steps of, by a server-side, grouping users based on user information of all the users who initiate video friend-making requests and building a display image for each user group; showing the user group display image of each user group to users by the server-side, and displaying all the user IDs and all the user head portraits of the user group corresponding to the user group display image when a user clicks the user group display image; after the server-side monitors that a user clicks a user ID or a user head portrait, building video communication connection betweenthe users; and if the server-side judges that the user gives a virtual present to the opposite side within an appointed duration, adding the video friend-making duration based on the amount required by the virtual present. The method for adding the video friend-making connection duration can prolong the video communication time of the video friend-making on the basis of guaranteeing the operational cost of the server-side, and further improves the user experience obviously.

A method for assisting the oscillating starting process of an electromechanical oscillator (10) has the following steps: detection of oscillator oscillations (1b, 1c) which occur in the output signal (1a) from the electromechanical oscillator (10); generation of an excitation pulse (3b) on the basis of a detected oscillator oscillation (1c); and feeding (3a) of the excitation pulse (3b) to the electromechanical oscillator (10).

A control system includes a measurement device capable of gathering high frequency process parameter data, a modeling routine which uses the high frequency parameter data to develop a model of the high frequency noise and a compensation routine that employs the developed model to adjust a control signal to thereby compensate for the high frequency noise present within the process parameter. The measurement device may measure a process variable at a relatively high frequency and send a subset of the measured data (eg., the low frequency data) to a standard controller that generates a control signal to control the measured process parameter in any known manner. The modeling routine analyzes the high frequency data and develops a methematical model of the high frequency noise within the process variable. The resulting mathematical model may then be used by the compensation routine to alter the standard control signal produced by the controller before that control signal is delivered to or used by the device being controlled.

The invention discloses a narrow pulse-based relaying method for a cooperative ultra wideband communication system, which belongs to the field of wireless communication. The system comprises a single information source node, a multiple relay node and a single target node. In the method, a channel state is characterized by distance information, and a control frame is required to be transmitted for one time only to determine distances among the nodes and a channel scene under the condition that communication nodes are still, so that overhead for transmitting control information is saved, and the throughput of the system is improved. Instantaneous information is not required to be exchanged, so ineffective power consumption for idle listening and control message overhead can be saved; therefore, node power consumption is lowered, and working time is prolonged. By the method, an adaptive relay protocol converting method is introduced to the relay node, the bit error rate of the cooperative ultra wideband system is reduced to the maximum, and the performance of the system is improved.