67 results about "Terminal cost" patented technology

The present invention provides a firmware over-the-air downloading server, a terminal and a method thereof for processing the software version, wherein the method for processing the software version comprises a step of obtaining a forward differential package and a reverse package of firmware over-the-air downloading server by the terminal, wherein, the forward differential package comprises the information required for updating a present version to a new version, and the reverse differential package comprises the information required for restoring the new version to the present version. After the terminal schedules the forward differential package through a differential algorithm and updates the software version to a new version, the reverse differential package can be scheduled through the differential algorithm for restoring the new version to the present version if necessary. The firmware over-the-air downloading server, the terminal and the method of the invention overcome the problem that more resource is required when old version of software is stored in FLASH storing unit in the wireless terminal in the prior art, thereby reducing the terminal cost.

The invention discloses a passive optical network (PON) system as well as an optical line terminal (OLT) and a wavelength route unit in the PON, which has lower optical line terminal cost and is convenient to realize. The OLT comprises a seed light source module, a high speed optical transmitter module, a first wavelength division multiplex (WDM), an optical circulator (OC), an arrayed waveguide grating (AWG) and n-numbered optical receivers, wherein in the downlink direction, the seed light source module outputs a seed light containing n-numbered wavelengths to the first WDM; the high speed optical transmitter module outputs a high speed time division multiplex downlink optical signal of single wavelength to the first WDM; after carrying out wave combination on the seed light and the high speed time division multiplex downlink optical signal, and then the first WDM inputs the combined wave to the first port of the OC; the OC outputs the high speed time division multiplex downlink optical signal and the seed light through a second port; and in the uplink direction, after the OC receives a multi-wavelength uplink light signal through the second port, the light signal is output to the AWG through the third port of the OC; and wavelength demodulation multiplexing is carried out on the uplink light signal by the AWG, and then light signals with different wavelengths are input into the corresponding optical receiver.

An error correction codeword. In one embodiment, an irregularly structured LDPC code ensemble possessing strong overall error performance and attractive storage requirements for a large set of codeword lengths. Embodiments of the invention can offer communication systems with better performance and lower terminal costs due to possible reductions in mandatory non-volatile memory over conventional systems.

The invention is applicable to the technical field of mobile terminals, and provides a mobile terminal screen brightness adjustment method and a mobile terminal. The method comprises steps: a distance between an object in front of the mobile terminal and the mobile terminal is acquired via a distance sensor; a corresponding brightness value is determined according to the distance; and the mobile terminal screen brightness is adjusted to the brightness value corresponding to the distance. As the distance between the object in front of the mobile terminal and the mobile terminal is acquired via the distance sensor and the mobile terminal screen brightness is then adjusted according to the distance, mobile terminal screen brightness adjustment can be realized with no need of adding a light sensor to the mobile terminal, and the mobile terminal screen brightness adjustment realization difficulty and the mobile terminal cost can be reduced.

The invention provides a signal processing method and device. The method comprises the following steps: selecting a specified constellation diagram version according to parameter information of a transmission signal, obtaining a first phase rotation angle corresponding to the specified constellation diagram version, selecting a second phase rotation angle according to preset information, and performing phase rotation for time domain symbols or frequency domain symbols of the transmission signal based on the first phase rotation angle and / or the second phase rotation angle, wherein the parameter information includes one or more of the following parameters: data types, modulation modes, time domain granularity of data duplication, constellation diagram versions of signaling configuration, and predefined constellation diagram versions. According to the signal processing method and device provided by the invention, the peak to average power ratio (PAPR) of the transmission signal can be effectively reduced, the problem of too high PAPR during signal transmission in related technologies can be solved, and thus the power amplifier efficiency of a transmitting terminal can be increased, the power consumption of the terminal can be saved, and the effects of reducing the terminal cost and ensuring the signal coverage of the system can be achieved.

The invention provides an intelligent public telephone system based method capable of realizing IC card electronic payment. The method organically integrates the intelligent public telephone technique and the non-contact type IC card electronic payment technique, adds an electronic payment management system onto an intelligent public telephone platform, and integrates and completes the originally terminal-born sorting management, inquiry and settling of transaction records such as payment, consumption, and the like in the system, thereby reducing the hardware requirement on the terminal devices, and greatly reducing the terminal cost. The method realizes the ciphered transmission of data through the one-time-pad encryption technique of the intelligent public telephone system, thereby meeting the practical requirements on the terminal cost and data security in the construction and generalization of electronic payment such as 'city universal card'.

The invention provides a method for achieving double-network cross-network-segment access based on a single network card. Firstly, a three-layer switch and terminal equipment are provided, and a virtual local area network (VLAN) of the three-layer switch is configured so that at least two different networks can have upstream access to the three-layer switch; secondly, a downstream port of the three-layer switch is configured, two different network data can be transmitted to the terminal equipment through the downstream port; thirdly, network corrugation is performed by the terminal equipment, a VLAN card is virtualized, and at the moment, two sets of network card equipment exist; fourthly, a routing strategy is established, different network data are made to be transmitted to different networks, and therefore double-network cross-network-segment access is achieved. With the method, at least two networks can be communicated at the same time at any time; complexity for network deployment is reduced, and terminal cost and cost of the network deployment switch are reduced.

The invention discloses a screen color temperature regulation method, a terminal and a computer readable storage medium. The screen color temperature regulation method comprises steps of obtaining current environment brightness and obtaining a red component value, a green component value and a blue component value under current environment brightness, obtaining a color temperature parameter underthe current environment brightness according to the red component value, the green component value and the blue component value under the current brightness, and performing color temperature regulation according to the color temperature parameters. The screen color temperature regulation method, the terminal and the computer readable storage medium can obtain the red component value, the green component value and the blue component value under the current brightness through calculation, obtain the color temperature parameter to perform color temperature regulation on the terminal screen, do not need the RGB light ray sensor and do not need to increase terminal cost.

The invention relates to a method and a terminal for realizing the online multi-user concurrence. The method comprises the following steps: firstly, confirming the monitoring time of each task in different systems to be monitored by the terminal at the multi-user terminal of the different systems; then confirming the communication channel where monitoring collisions occur according to the monitoring time of each task and the pre-determined collision determination condition; and confirming the task to be executed in the collision time frame according to the pre-determined monitoring collision processing strategy, therefore, the method allows the terminal to access to various networks simultaneously and allows the user to freely choose to receive in the systems of the same type without adding extra transceivers according to the requirements, thereby avoiding the great increase in the terminal cost.

The invention discloses an infrared shooting method. The infrared shooting method includes that when a mobile terminal is in an infrared shooting mode, the mobile terminal controls an infrared module connected therewith to acquire an infrared image according to preset shooting parameters; the mobile terminal receives and displays the infrared image sent by the infrared module so as to enable a user to adjust shooting parameters of the infrared module based on the displayed infrared image; when receiving a shooting command inputted by the user, the mobile terminal controls the infrared module to shoot according to the current shooting parameters. The invention discloses an infrared shooting device. The infrared shooting method and the infrared shooting device have the advantages that by means of interaction between the mobile terminal and the infrared module low in production cost, infrared shooting of the mobile terminal is achieved without changing a hardware structure of the mobile terminal and increasing mobile terminal cost; the mobile terminal is capable of displaying a preview infrared image sent by the infrared module, so that various shooting parameters can be adjusted timely and conveniently, and shooting difficulty is lowered.

The invention provides a sensor wireless data gateway application system, comprising a system layer, a middle layer and an application layer, wherein the system layer provides a basic operation environment for a gateway, and adopts an Android system; the system layer also comprises an HAL hardware abstraction layer software package, a BSP board driver package and corresponding QOS management; the middle layer provides support for the application layer, and comprises SNMP and TR069 network management protocol and communication protocol modules, the communication protocol module provides mutual conversion between Zigbee, Bluetooth and Wifi communication protocols and an Internet communication protocol, thus interconnection and intercommunication between household Internet of things are achieved; and the application layer provides various API interfaces for content service providers. According to the sensor wireless data gateway application system provided by the invention, the multiple communication protocols are converted into multiple mobile communication protocol standards, thus a universal solution gateway is achieved, the development threshold of the terminal product is greatly reduced, the terminal cost is lowered, and the system can be applicable to different devices and application environments.

The invention belongs to the technical field of navigation and positioning, and discloses a tight coupling positioning system and method using visual images and GNSS ranging signals. The method comprises the steps of shooting three or more feature points with known world coordinates by a camera to calculate the distance from the camera to the feature points; and performing tight coupling joint positioning by using the calculated approximate distance and a GNSS ranging observation value, and solving coordinates of a user. According to the invention, the availability, reliability and anti-interference performance of GNSS positioning can be improved in complex geographical and electromagnetic environments; and the GNSS ranging signals can be utilized to improve the positioning precision of the camera in turn. The image feature points are regarded as visual base stations, and the base station layout cost is not needed. The method is suitable for mobile phones and other portable devices, the user terminal cost is low, and the method can be used for solving the positioning problem of urban canyons and other complex environments. According to the method, the positioning service can be provided under the condition that the GNSS cannot perform positioning independently, so that the availability of the positioning service is improved.

The invention discloses a remote meter-reading intelligent monitoring system based on an NB-IoT wireless communication module, thereby solving problems of disunion of current Internet-of-Things standards, high terminal cost, and insufficient access capability. The system comprises intelligent meters, acquisition devices connected to the intelligent meters in a one-to-one correspondence manner, an NB-IoT base station and a server center. According to the invention, the NB-IoT wireless communication module is used for collection of an intelligent electric meter, an intelligent water meter, an intelligent gas meter, and three-in-one integration; the NB-IoT technology has advantages of deep coverage, massive connection, ultra-low power consumption and low cost. Effects of realizing underground communication, unifying the multi-meter communication protocol, increasing the transmission rate and expanding the communication capacity can be realized. Various relay devices are cancelled by using the NB-IoT-technology-based multi-meter integrated centralized reading; underground pipe network communication is realized; the communication protocols are simplified; the operation and maintenance costs are lowered; and the mounting space is reduced. Remote-transmitting meter reading and metering data are provided for realizing the smart water service, smart gas, and smart power supply; and thus the better services are provided for smart city building.

The invention discloses an OFDM system phase noise elimination method based on orthogonal polarization transmission, and belongs to the technical field of wireless communication. The OFDM system phase noise elimination method designs the transmitting terminal of an OFDM system, signals after traditional modulation are divided into two paths, conjugation is carried out in one path, and the signals are transmitted through an orthogonally polarized antenna after the orthogonally polarized states of the two paths of signals are given by the antenna; the signals are received through the orthogonal polarized antenna at a receiving terminal, after the conjugated signals are conjugated again, the two paths of signals are the same and are conjugated in phase noise, the two paths of signals are added, and then the imaginary part of the phase noise is eliminated, so that the phase noise item of multiplier interference can be approximate to 1, the influence of the phase noise on the received signals is eliminated, expected signals are obtained, and finally emit data information can be demodulated through a corresponding traditional demodulation method. The method solves the problems of high investment and price increment of terminal cost caused by the facts that the spectrum efficiency is low and a low phase noise local oscillator is redesigned in a self-elimination scheme.

At present, low-cost optical network units in TWDM-PON (time division multiplexing-passive optical network) and user amount expansion are key research issues in optical access networks. an embodiment of the invention provides a TWDM-PON optical access network structure for annular subnet extension and provides specific structures of certain devices in the network and a control method of the whole network and particularly provides a novel optical network unit structure supportive to subnet extension, an optical network unit side subnet structure and a structure of a subnet optical network unit. By adoption of the network structure and the equipment, users in subnets can share a tunable laser with the optical network units while receiving of downlink signals is unaffected; gains of uplink and downlink optical amplifiers can be tuned according to intensity of uplink and downlink optical signals, and accordingly quality of signals in the optical network units and optical network unit side subnets can be optimized; in addition, TWDM-PON user amount expansion can be carried out effectively while low terminal cost is kept.

The invention discloses an integrated structure of a radio frequency identification (RFID) antenna and a mobile communication terminal. The RFID antenna is formed by printed circuit board (PCB) wires distributed on a mainboard in the terminal. Feed points of the RFID antenna are connected with antenna contacts arranged on a card seat on the mainboard by the internal PCB wires. The antenna contacts are right in contact with antenna pins of an RFID chip after a smart card integrated with the RFID chip is inserted into the card seat. The design of the antenna provided by the invention is directly finished on the mainboard in a way of adopting the PCB wires, and a structural contact way is avoided, so the connecting reliability is greatly improved. Simultaneously, the positions of the wires of the RFID antenna are determined on the surface, away from a battery, on the mainboard, thereby ensuring that a sufficient distance can be reserved between the RFID antenna and a battery core to further greatly weaken eddy effects of metals without arranging an additional ferrite film and achieve the great advantages of reduction in terminal cost.

The invention provides a base station searching method and a terminal. The terminal removes a base station which is not met with preset base station selection conditions according to the acquired information of the base station, and other base stations are continuously scanned until the terminal is accessed to the base station meeting the base station selection conditions. The method provided by the invention comprises the steps of removing special sub base stations which can not be accessed by the terminal step by step according to the sequence of acquisition time of information of a base station, namely if the early acquired information of the base station is not met with the base station selection conditions, the base station is directly determined to be an improper base station and is removed, a process for scanning other base stations is initiated again, and the lately acquired information of the base station is not judged any more. In the base station searching method provided by the invention, the terminal requires no searching according to the complete base station information of each base station, and the base stations which can not be accessed by the terminal are removed in advance, thus realizing rapid and accurate access of the base station, greatly improving scanning, accessing and switching performances of a wireless communication system and reducing communication and terminal costs.

A method selects one or more power sources in a hybrid electric vehicle (HEV) at a particular moment in time for a current route to optimize energy consumption for the HEV, wherein the HEV includes one or more electric engines (EC) and one or more internal combustion engines, by first determining, in an off-line processor, a regression model that predicts a terminal cost of a state along a route from features associated with the route and the vehicle, using a computed true costs-to-go of multiple states from multitude of real or imaginary routes. In an online processor in the HEV, truncated dynamic programming is performed using the regression model to estimate a terminal cost at an end of a truncated time horizon for a current route. Then, one or more of the power sources are selected for the one or more EC and the one or more ICE based on a minimal cost-to-go of a current state.

The invention relates to a method and device for authenticating a terminal as well as an EOC (Ethernet over Coax) terminal. The method for authenticating the terminal comprises the following steps of: acquirement: acquiring characteristic domain information of the EOC terminal and first encryption control domain information which is prestored in the EOC terminal and generated according to a preset key and encryption algorithm based on the characteristic domain information; calculation: generating second encryption control domain information according to the preset key and encryption algorithm based on the characteristic domain information; and authentication: judging whether the first encryption control domain information and the second encryption control domain information accord with the preset authentication passing rule or not, allowing the EOC terminal to pass the authentication if the first encryption control domain information and the second encryption control domain information accord with the authentication passing rule; or otherwise, not allowing the EOC terminal to pass the authentication. The invention can achieve the purpose of carrying out the authentication control on the terminal on the basis of not increasing the terminal cost.

The invention relates to a 3G (The 3rd Generation Telecommunication) wireless network three-dimensional monitoring system which belongs to the technical field of wireless communication. The system mainly solves the problem that a network optimization center cannot carry out real-time and on-line analysis on the positions of all on-spot mobile terminals and acquired index data. Through arranging front-end base station communication quality real-time testing software on a mobile phone or a portable terminal (MID (Mobile Internet Device) is internally provided with a professional 3G testing module) and establishing a monitoring platform in the network optimization center, the system realizes real-time base station communication quality data acquisition and presentation, GPS (Global Position System) position data acquisition and automatic data uploading to the monitoring platform on the mobile terminals, and analyzing and counting functions in multiple angles and different levels such as data playback, summarization and analysis, GIS (Geographic Information System) real-time tracking and presentation, special event early warning, historical data mining, and the like are carried out on data acquired by the mobile terminals on the monitoring platform so as to achieve the purposes of low testing terminal cost, simplified operation method and diversified use crowds.

The invention discloses an intelligent terminal and a shooting method thereof. The intelligent terminal comprises a display screen and a rotatable camera. A light hole is formed in the display screen,and the rotatable camera is arranged on the back surface of the display screen and corresponds to the position of the light hole; and when the intelligent terminal starts a front shooting function, the rotatable camera is rotated to enable a lens of the rotatable camera to be aligned with the light hole, and when the intelligent terminal starts a rear shooting function, the rotatable camera is rotated to enable the lens of the rotatable camera to be back to the display screen. According to the invention, the front shooting function and the rear shooting function can be realized through the rotatable camera, and the terminal cost is reduced.

The invention provides a method for adjusting backlight of a terminal and the terminal. The method includes that when a backlight circuit of a schedule event trigger terminal displays backlight, the terminal collects a current working current value, the working current value is a working current value of a solar charging circuit of the terminal, and backlight brightness of the backlight circuit is adjusted by the terminal according to the working current value. By adopting the technical scheme, problems of short standby time, high terminal cost, short battery service life and the like caused by terminal backlight in related technologies are solved, so that cost is not increased while standby time of the terminal is effectively prolonged, battery service life is prolonged, and user experience is improved.

The invention discloses a sending method and equipment of physical uplink channel data. The method comprises: determining the physical uplink channel number which needs to simultaneously send data for the user equipment in the same time slot; when determining the physical uplink channel number is determined to be larger than a threshold value, determining the priority of each physical uplink channel according to physical uplink channel performance, wherein the threshold value is the maximum value of the number of the physical uplink channel which permits to simultaneously send data; and according to the priority, sending the data on the physical uplink channel of which the number is same with the threshold value. The invention can cause the terminal to satisfy the rule of the 3GPP physical layer protocol to ensure that the number of the physical uplink channel which is simultaneously sent does not exceed the threshold value, simultaneously limits peak-to-mean ratio, lowers terminal realization complexity and lowers terminal cost.

The invention provides a method and system for terminal random number generation, and the method comprises the steps: a true random number is generated through a hardware random number generator; secure transmission is performed on the true random number to an terminal; the terminal serves the received true random number as a random number seed to generate a random number sequence through a pseudo-random number generator. According to the invention, the true random number is generated by the external hardware random number generator, the secure transmission is performed on the true random number to the terminal, and the terminal serves the true random number as the random number seed and disperses lots of random numbers through the pseudo-random number generator. The method and the systemhave advantages of significantly decreasing terminal cost, ensuring the random number to meet the demands of unpredictability and randomness and the like.

The invention relates to a ringing tone realizing method at a mobile terminal. The invention aims to provide a method for realizing ringing tone by using a vibration loudspeaker. In the method, specific voice frequency is played to replace the motor vibration through the vibration loudspeaker, the ringing reminding for short messages and calls at the mobile terminal can be realized, special switch buffering processing to a voice frequency with constant frequency (selected according to the vibration frequency of the vibration loudspeaker) is performed, a ringing voice frequency is generated, the speaker is ensured to be without low noise and pa sound generated by the switch when the speaker plays the voice frequency by the reasonable adjustment of the switch buffering time and the amplitude of the voice frequency, and the ringing reminding at the mobile terminal can be realized effectively. The method has the advantages that the electromagnetic interference is reduced, the hardware design is simplified, the mobile terminal cost is also reduced, and the after-sale maintenance is facilitated.

The invention discloses a metal shell machining process. The metal shell machining process comprises internal surface machining and appearance face machining, stamping is adopted for internal surface machining and appearance face machining, and internal surface machining and appearance face machining are achieved in a once punching synchronous molding manner. According to the scheme, a metal shell does not need to be subject to CNC machining, so that the CNC machining time is shortened, and the production efficiency is improved; and meanwhile, under the condition that the structural intensity of the metal shell is not changed, the metal shell is thinner, and terminal thinning of the metal shell is better popularized and applied. The invention further discloses a terminal of the metal shell machined and molded through the above metal shell machining process, the terminal cost is low, and application and popularization are facilitated.

The invention discloses a polarization modulation based phase noise elimination method in a massive MIMO-OFDM (Multiple Input Multiple Output-Orthogonal Frequency Division Multiplexing) uplink system,and belongs to the technical field of wireless communication. According to the invention, transmitting and receiving ends of the massive MIMO-OFDM uplink system are designed; at the transmitting end,orthogonal dual-polarization antennas are deployed and a polarization modulation signal is transmitted; and at the receiving end, a pair of orthogonal dual-polarization antennas are deployed and thepolarization modulation signal is received and demodulated. At the receiving end, by zero-forcing receiving, in a case, distribution characteristics of power and noise of sub-carrier interference terms in phase noise of the receiving end after a polarization modulation scheme is adopted are argued, and finally, a result that the phase noise applied to the polarization modulation received signal can be transferred to additive noise is proved, so that influence of the phase noise is eliminated. The polarization modulation based phase noise elimination method disclosed by the invention solves a problem of reduction of traversal capacity, which is caused by influence of the phase noise on the massive MIMO-OFDM uplink system, and meanwhile, also solves problems of high investment and increase of a terminal cost price, which are caused by redesign of a low-phase-noise local oscillator.

An error correction codeword. In one embodiment, an irregularly structured LDPC code ensemble possessing strong overall error performance and attractive storage requirements for a large set of codeword lengths. Embodiments of the invention can offer communication systems with better performance and lower terminal costs due to possible reductions in mandatory non-volatile memory over conventional systems.

A method selects one or more power sources in a hybrid electric vehicle (HEV) at a particular moment in time for a current route to optimize energy consumption for the HEV, wherein the HEV includes one or more electric engines (EC) and one or more internal combustion engines, by first determining, in an off-line processor, a regression model that predicts a terminal cost of a state along a route from features associated with the route and the vehicle, using a computed true costs-to-go of multiple states from multitude of real or imaginary routes. In an online processor in the HEV, truncated dynamic programming is performed using the regression model to estimate a terminal cost at an end of a truncated time horizon for a current route. Then, one or more of the power sources are selected for the one or more EC and the one or more ICE based on a minimal cost-to-go of a current state.

The invention discloses a low-power-consumption geomagnetic vehicle detector based on a lora technology and a dormancy awakening method thereof. The low-power-consumption geomagnetic vehicle detectorcomprises a sealed shell, wherein the sealed shell is internally provided with a power supply module, a geomagnetic detection module, a control module, an lora module and an LDO voltage stabilizing circuit; the control module transmits parking space state information received by the geomagnetic detection module to a nearby lora base station through the lora module, and the output end of the lora base station is connected to a remote server end. The low-power-consumption geomagnetic vehicle detector further comprises a magnetic sensor non-contact switch. The low-power-consumption geomagnetic vehicle detector adopts the communication technology special for the Internet of things with low power consumption, the communication technology is long in transmission distance, is expanded by adoptinga gateway / concentrator, easy to construct and deploy, is minimum in infrastructure cost, supports parallel processing of multiple channels and multiple data rates, and has the large system capacity;the receiving sensitivity is greatly improved, the power consumption is reduced, the service life of the battery is prolonged; and moreover, the license-plate-free frequency band used by the inventionhas low node and terminal cost.