1411results about How to "Guaranteed Compatibility" patented technology

The invention provides a PUCCH indication method for large bandwidth system. Physical uplink control channel PUCCH resource transmits uplink mixed automatic retransmission request confirmation and corresponds to dynamically dispatched physical downlink sharing channel; index number of uplink component carrier frequency of physical uplink control channel PUCCH resource is mapped by downlink component carrier frequency index of physical downlink control channel PDCCH for dispatching the PDSCH to acquire, or a fixed value, or notified by high level signaling or physical signaling. Index number of uplink component carrier frequency of PUCCH resource for uplinkly transmitting HARQ-ACK corresponding to semi-static scheduled PDSCH is mapped and acquired by downlink component carrier frequency index number of PDSCH or notified by high level signaling. The invention guarantees compatibility of LTE-Advanced system and LTE Release-8 system, facilitates to increase system capacity and scheduling agility of LTE-Advanced system.

The invention provides a data transmission method for a hybrid time division duplex large-bandwidth system. The spectrum resource of the time division duplex bandwidth system is formed by aggregating a plurality of component carriers, uplink / downlink time division of each component carrier multiplexes a same frequency resource; the system and a terminal transmit data on the component carriers; radio frames of a plurality of component carriers have the same length, and sub-frames contained by each radio frame have the same length. The data transmission method for the hybrid time division duplex large-bandwidth system can be backwards compatible and support asymmetrical service.

The invention discloses a sending method and a sending device of a measure-reference signal under state of carrier aggregation, being applied to an advanced long-term evolution system. The sending method comprises the steps: a base station configures a group or a plurality of groups of measure-reference signal configuration parameters for an uplink component carrier to be measured of user equipment (UE) under carrier aggregation and sends the parameters to the UE; and according to the received measure-reference signal configuration parameters, the UE sends the measure-reference signal to the base station. The invention can maintain the compatibility with the UE of the long-term evolution system and can optimize the property for sending measure signals of the UE of the advanced long-term evolution system when the carrier aggregation technology is adopted.

The invention discloses a resource determination method and a device for a physical uplink control channel (PUCCH) of a large-band-width system. The method comprises the following steps that: user equipment obtains the channel resource index of the PUCCH, wherein the PUCCH is used for carrying the affirmative check / negative check (ACK / NACK) information of a physical downlink share channel (PDSCH) indicated with an enhanced physical uplink control channel (ePUCCH); and the user equipment determines the resources used by the PDSCH according to the obtained channel resource index. Through the method and the device provided by the invention, the normal proceeding of a hybrid automatic repeat request (HARQ) process corresponding to the ePDCCH is ensured.

The invention relates to a realization method for the uplink multipoint cooperation (CoMP) combining with inter-cell interference coordination (ICIC), which comprises the following steps: 1) a site measures the SINR of the user to judge whether the user is a marginal user or a central user and distributes the working frequency band of the user based on ICIC frequency band classification method; 2) the user sends data to the cell according to the distributed working frequency band; 3) the site judges whether the site or the business of the user supports CoMP; if CoMP is not supported, the data is extracted by a linear or nonlinear method; if CoMP is supported, step 4) is followed; 4) the cell receives the sent data and processes the data. The method ensures the compatibility of CoMP and ICIC proposals, which can improve the marginal throughput of the cell and the average throughput of the system.

The invention discloses a method for sending uplink control information on a physical uplink shared channel, including: determining the following parameters: the maximum number of REs A available for the initial PUSCH, the number of bits of service information before coding B, the code rate offset, and the current The number of carriers D used for PUSCH transmission in the subframe, the maximum number of REs occupied by the modulation symbols encoded by the CQI / PMI information E; determine the target length of ACK / NACK information or the target length of / RI information according to the determined parameters, and / or the target length of the CQI / PMI information; encode and modulate the uplink control information according to the determined target length of the ACK / NACK information or the target length of the RI information and / or the target length of the CQI / PMI information, and together with the service information Multiplexed to PUSCH to send. The invention also discloses a device for sending uplink control information on the physical uplink shared channel. The invention maintains the compatibility with the LTE version 8 protocol, and the technical solution is relatively simple to implement.

The invention provides a physical uplink control signal path resource mapping method in large bandwidth system, comprising the steps as follows: an uplink component carrier frequency is divided into a plurality of regions; the physical uplink control signal path carrying the same type of signaling of a plurality of downlink component carrier frequencies corresponding to the uplink component carrier frequency is mapped to the different resources in the same region of the uplink component carrier frequency. The invention also provides a physical uplink control signal path resource mapping device. The invention resolves the problem of the physical uplink control signal path resource mapping.

The invention discloses a device-to-device (D2D) communication method, device and system. A second device sends a dispatching request for D2D communication to a first device, and D2D communication data transmission is carried out based on the dispatching of the second device; the first device responds to the dispatching request and sends control information to dispatch the second device to carry out D2D communication data transmission; a third device detects the control information sent by the first device and receives the D2D communication data sent by the second device based on the control information. By means of the device-to-device communication method, device and system, the communication problem among the devices is solved, and compatibility of device-to-device communication and cellular communication are guaranteed; in addition, the device-to-device communication method, device and system can be suitable for device-to-device communication with a unicasting or broadcasting or multicasting mode or other broadcasting modes.

The invention proposes a method for channel state information feedback of a large-scale multi-input-multi-output (MIMO) system. In one embodiment, the method includes the following steps: a piece of UE detects a plurality of downlink reference signal ports and feeds back indexes of part of reference signal ports which are better in channel quality so as to assist in uplink reception precoding operations. Through use of the method and device, a problem of CSI feedback in a Massive MIMO system is solved and through support of uplink reception precoding, a problem of pilot-frequency pollution is prevented and moreover, a calculation complexity needed by uplink channel estimation is reduced significantly and at the same time, compatability with an existing system is maintained to the largest degree.

The invention discloses a traffic internet of things (IOT) layering system architecture based on information gathering. The layering system architecture provided by the invention comprises an entity physical layer, a network layer, a transmission layer, a foundation application layer and an information gathering layer. The layering system architecture provided by the invention is a height abstraction for various different physical networks, thus a uniform traffic IOT system architecture is provided for a plurality of traffic modes such as railways, waterways, highways and the like, and the transparence of the underlay network technology to an user or an application program can be achieved. According to the invention, an information system architecture which is uniform and cooperative and can provide uniform service is established, thus universal network service is provided for users; a fusion architecture is provided for the compatibility of various traffic IOT platforms; and a good foundation is laid for the compatibility of the existing traffic IOT and other region traffic IOT.

The invention relates to multimedia communication technique, disclosing a multimedia communication method and the terminal design and implementation thereof, improving transmission reliability and communication quality. And the invention adopts ERRTP to provide a transmission layer packing form able to carry error resilient encoding solution related information on the basis of the existing RTP protocol, making multimedia data label the corresponding error resilient encoding solution related information while transmitted on ERRTP, thus merging error resilient mechanism into the transmission layer; in accordance with H.264 NALU structure, the invention provides a special ERRTP packing method and protocol header modification solution, able to integrate all NALU header bytes in the same ERRTP packet into its header, thus expressing important information of NALU in the ERRTP header and raising transmitting efficiency.

The invention discloses an intelligent household system controlled by a wearable intelligent watch. Fast control of the intelligent household is achieved by monitoring the sensor state, screen slide and button of the wearable intelligent watch. Compared with the traditional intelligent household system that the user controls intelligent household equipment only by cellphone APP, the user needs to open a cellphone and then to open the APP if the user wants to control a switch, and then the user needs to find corresponding equipment for controlling the switch, the system provided by the invention enables to the user to fast control a switch only by sliding the screen of the intelligent watch or pressing down a corresponding button of the intelligent watch. Combination of the wearable intelligent watch and intelligent household techniques not only achieves fast control of the intelligent household, but also monitors human body features such as human body blood pressure and heart rate, and achieves automatic associated control with household or medical equipment. The convenience and the intelligentization experience of the user for the intelligent household system are greatly improved.

The invention discloses a heat-solidity epoxy tar material, preparing method and specific dissolving-reinforcing agent, which comprises the following steps: allocating the raw material with 100% tar, 20-40% epoxy resin, 20-40% hardener and 20-60% heat-solidity epoxy tar; blending evenly; heating to 80-90 deg.c; stirring evenly; solidifying under 100-120 deg.c for 0.5-7h; obtaining the product. The invention provides a specific dissolving-reinforcing agent of heat-solidity epoxy tar material, which contains weak-polarity high-grade fat carbon chain and strong-polarity Mannish alkaline or compound of epoxy resin and polyol.

The invention discloses a data transmission method in a larger-bandwidth system. After a post-accumulative carrier frequency is divided to more than one component carrier frequency, data in a physical channel carrier or a measuring pilot signal is transmitted between component carrier frequencies in a frequency hopping manner. The invention has the advantages of ensuring the compatibility of an LTE-Advanced system and an LTE Releaste-8 system, facilitating the increase of the system capacity and the scheduling flexibility of the LTE-Advanced system, and enabling a LTE-Advanced terminal to acquire the selective gain of the biggest frequency.

The invention discloses a high-temperature self-repair-type epoxide resin material and a process for preparation, the process comprises adding microcapsule and accelerating agent which are evenly mixed into the basal body of epoxide resin, adding curing agent into the basal body of epoxide resin to evenly mix, finally, curing molding and getting high-temperature self-repair-type epoxide resin material. When cracks are produced on the high-temperature self-repair-type epoxide resin material of the invention because of forcing in the process of processing and employing, the cracks are extended to the built-in microcapsule, and the microcapsule wall is led to crack, liquid-state epoxide resin in the microcapsule is immediately released to fill into the cracks, the accelerating agent which is built in the basal body leads the liquid-state epoxide resin to be solidified under high temperature, thereby rebinding the cracks together, and the damage of the material is repaired, thereby keeping the mechanical properties of the epoxy composite material and prolonging the life span.

The invention brings forward a 3D MIMI (Massive Multiple Input Multiple Output) transmission method and device. In the first step, UE sends a first CSI (Channel Status Indicator), and a reference resource of the first CSI is a first RS (Reference Signal). In the second step, the UE sends a second CSI, and a reference resource of the second CSI is a second RS. The first CSI includes a first PMI (Precoding Matrix Indicator), and the first RS is a broadband RS. The second CSI includes at least one of a second PMI and a second CQI (Channel Quality Indicator), the second RS is a narrowband RS, and the first RS and the second RS are sent by the same cell. According to the scheme, the UE estimates the second CSI according to a narrowband measurement RS sent by precoding, the estimation precision of the second CSI is improved, and the air interface cost brought by measuring of the RS is reduced. Moreover, a conventional LTE design is utilized as much as possible, and compatibility with a conventional system is kept to the maximum.

The invention discloses downlink information transmission method and device of a return link. The transmission method comprises the following steps of: determining a first area by an evolution base station, wherein the first area is used for transmitting downlink information to a relay node and / or a user device for supporting a 3GPP (The 3rd Generation Partnership Project) version 10 on the return link and comprises a relay physical downlink control channel area and a relay physical hybrid automatic repeat request (HARQ) indication channel area; notifying resource configuration information of the first area to the relay node and / or the user device for supporting the 3GPP version 10 through the evolution base station; and in the downlink return link, transmitting downlink information to the relay node and / or the user device for supporting the 3GPP version 10 in the first area through the evolution base station. The invention solves the problem that an LTE-A (Long Term Evolution-Advanced) system does not have an optimization design scheme related to control area and data area multiplexing on the return link, and provides a technical scheme which is used for a semi-static configuration control area of a downlink signal of the return link.

The invention discloses an IMSI protection method based on pseudonym, belonging to the field of communication safety. The method comprises: in an initial network accessing stage for a user, the user sends IMSI to HLR for authentication; after authentication, a pseudonym is generated for the user and is recorded into a database; then, according to the user pseudonym, HLR generates an authentication vector and authenticates the user by VLR; finally HLR sends a user pseudonym field in the user pseudonym to the user; and the user reconstructs and records the user pseudonym. In a secondary networkaccessing stage for the user, the user sends the user pseudonym to the HLR for authentication; if a database does not have the user pseudonym, authentication is reported to fail, otherwise, HLR generates a new user pseudonym and updates the database; then, the user is authenticated like initial network accessing; finally, HLR sends the user pseudonym field in the user pseudonym which is newly generated to the user; and the user reconstructs and records the user pseudonym. The method greatly improves the safety of IMSI, and the system is convenient to update.

The invention discloses a high-focusing-capability multi-channel transcranial direct current stimulation device and a control method thereof. The high-focusing-capability multi-channel transcranial direct current stimulation device comprises a transcranial direct current stimulation (tDCS) electrode array, a power source and control units, wherein channel electrodes in the electrode array are connected with the power source respectively through independent control units, polarity and current strength of the channel electrodes are respectively controlled through the independent control units, and the tDCS electrode array is integrated into an electrode cap mode. The high-focusing-capability multi-channel transcranial direct current stimulation device can complete automatic optimization of stimulation parameters of the channels according to stimulation positions and types specified by users, and finally generates stimulation meeting users' requirements. A tDCS system of the high-focusing-capability multi-channel transcranial direct current stimulation device has the advantages of being capable of covering the whole head, having high focusing capability and multiple channels and the like, and is accurate in stimulation position and customizable in complex stimulation.

The invention provides a demodulating method for multi-stream data and a system thereof. The demodulating method comprises the steps as follows: a pilot frequency symbol sequence is generated; for double-stream and four-stream data demodulation, two rows of pilot frequency symbols are equidistantly inserted in time domain correspondingly to each data stream in a pair of resource blocks; for eight-stream demodulation, one row of pilot frequency symbols are inserted in time domain while one pilot frequency symbol is inserted in every four sub-carrier-waves correspondingly to each data stream ina resource block, wherein, the pilot frequency and the data employ the same pre-coding mode; signals are sent to a receiver by an antenna; composite channel of resource particles, which is occupied by the pilot frequency, is estimated according to the inserted pilot frequency symbols when the signals are received by the receiver; the composite channel of resource particles, which is occupied by the data signals, is acquired by interpolation algorithm, thereby obtaining the data signals by demodulating. The special pilot frequency designed by the invention considers influence of factors, such as performance, spending and the like, thus having excellent compatibility with LTE Release 8.

The invention discloses a POE load detecting method and power supply terminal equipment. The method comprises the steps that the power supply terminal equipment PSE outputs a first specified voltage value at the output end of a POE control circuit, equivalent additional resistance is detected when no load exists between the POE power supply wire pair; a second specified voltage value is outputtedat the output end of the POE control circuit, first resistance between the POE power supply wire pair is obtained via detection so as to take the first resistance as the parallel equivalent resistance of the equivalent additional resistance and the load resistance; the resistance value of the load resistance is obtained according to the detected first resistance and the equivalent additional resistance so as to determine whether the load resistance value meets preset judging conditions, and the externally connected receiving end equipment PD is determined to be effective if the judging conditions are met. The method and the equipment provided by the invention can detect the equivalent additional resistance, thereby reducing the erroneous judgment on the effectiveness of the externally connected PD.

The invention discloses a high-temperature self-repair-type fiber-reinforcement epoxy composite material and a process for preparation, the process comprises adding microcapsule and accelerating agent which are evenly mixed into the basal body of epoxide resin, adding curing agent into the basal body of epoxide resin to evenly mix, infiltrating fiber-reinforcement reinforced materials with the mixture which is got, plying, finally, curing molding and getting high-temperature self-repair-type fiber-reinforcement epoxy composite material. When cracks are produced on the high-temperature self-repair-type fiber-reinforcement epoxy composite material of the invention because of forcing in the process of processing and employing, the cracks are extended to the built-in microcapsule, and the microcapsule wall is led to crack, liquid-state epoxide resin in the microcapsule is immediately released to fill into the cracks, the accelerating agent which is built in the basal body leads the liquid-state epoxide resin to be solidified under high temperature, thereby rebinding the cracks together, and the damage of the material is repaired, thereby keeping the mechanical properties of the epoxy composite material and prolonging the life span.

The invention discloses a method for distributing resources, network equipment and a wireless system. The method comprises the following steps of: confirming resource distributing granularity in an evolution system according to the resource distributing granularity of an obtained backward compatible system; and indicating the resource distributing condition in the evolution system according to the resource distributing granularity in the evolution system. The resource distributing granularity of bandwidth after branch carriers are polymerized in the evolution system can be confirmed according to the resource distributing granularity of the bandwidth of the branch carriers in the backward compatible system so as to indicate the resource distributing condition after the branch carriers are polymerized in the evolution system or the resource distributing granularity of bandwidth of all branch carriers in the evolution system can be confirmed according to the resource distributing granularity of the bandwidth of all branch carriers in the backward compatible system so as to indicate the resource distributing condition of all branch carriers in the evolution system. By the embodiment of the invention, the compatibility of the resource distribution of an LTE-A terminal and an LTE terminal can be maintained, and the cost of a resource distributing signaling is saved.

The invention discloses a network tracing system and a network tracing method for a non-staple food industrial chain. The technical scheme includes that a food production enterprise inputs information of links such as purchasing, processing and circulation of products, exchange of data among heterogeneous platforms is achieved by using XML (extensive makeup language) data to exchange standard languages by means of manual data input, XML files, Web Services APIs (application programming interfaces) and the like, node information of each production circulation link on a supply chain is visually displayed, and the platforms provide standard Web Services interfaces to support flexible access of other terminals. When non-staple food or semi-finished food in a specific link on the food chain goes wrong, reasons can be found by the network tracing system, and further relevant responsible persons can be found.

The invention relates to a permanent magnet synchronous motor control performance automation test system, which comprises a communication subsystem, a host computer subsystem, a permanent magnet synchronous motor control subsystem, and a direct-current machine control subsystem; wherein a control circuit in the permanent magnet synchronous motor control subsystem is connected with a RS232 switching bridge device in the communication subsystem; a Siemens 6 RA 7025 direct current speed governor in the direct-current machine control subsystem is connected with a communication card CBP2 of the direct current speed governor in the communication subsystem; the communication card CBP2 of the direct current speed governor in the communication subsystem and the RS232 switching bridge device are connected with a programmable controller (PLC) in the host computer subsystem; the communication is realized between the permanent magnet synchronous motor control subsystem and the host computer subsystem by the programming. The permanent magnet synchronous motor control performance automation test system has the advantages of increasing the reliability and capacity of resisting disturbance of the system, realizing the networking control of the whole system, increasing the real time of the system, being capable of simulating any load and saving the energy.

The invention provides an intelligent community management system: comprising a management center, a TCP / IP network system, a terminal system and a server, wherein the terminal system comprises a terminal and a use terminal and the terminal comprises a terminal main control module, a data package module, a calling module, a multimedia treatment module, an audio-video coding and decoding module, an interface module, a terminal communication module, a driver processing module, a data base and network file system application module and a collection module and an administration center comprises a main control module, a communication module, a data base module, an update processing module, a multimedia processing module, a magnetic card and safety management module, a thrust and alarm module, a call management module and an information management, state detection module. The main control module of the terminal is the main chip of the multimedia integration system capable of realizing the single-chip double-flow technique and the main chip of the multi-media integration system can realize the two-path different signal output with high intelligence degree and good compatibility, expansibility and processability.

The invention discloses a multi-index high-speed dynamic detection and material dividing method and device of an annular sliding bearing. According to the method, multiple indexes of the outer surface size and the inner surface coating defects of the sliding bearing are dynamically detected through machine vision, material division is carried out on workpieces according to the detection result through the color recognition technology of machine vision, and the method has the advantages of being high in detection efficiency, accurate in recognition, high in automation degree and the like. The device comprises a roller, a conveying belt, a high-definition camera, a digital control spraying device, an electric switch, a computer system and the like, wherein the high-definition camera is used for carrying out multi-index dynamic detection on the sliding bearing rotating in a fixed-axis mode, whether defects exist is recognized and material division is carried out through the high-definition camera and a limiting switch, the detecting speed is as high as 120-180 per second, the recognition accuracy is as high as 100 percent, automatic production is fully realized, and the detection cost is largely reduced.

The invention discloses a method and device for generating and unloading a software installation package. The method comprises the following steps: acquiring the version information of business software, a file to be packed and information of the file to be packed, generating a configuration file according to the version information of the business software and the file to be packed and recording information corresponding to the configuration file; creating a software installation package and writing a business software installation unit into the header of the software installation package; and writing the information corresponding to the configuration file, the configuration file, the information of the file to be packed, the file to be packed and the tail structure information into the installation file of the software installation package in turn, and generating the software installation package of the business software. Through the technical scheme of the invention, the entire installation process can be automatically processed by the installation unit; therefore, the invention ensures normal use of all installed business software and can realize matching between the platform software and the business software and guarantee the compatibility of all installed business software and the switch flexibility among various versions of the business software.

A method for distributing uplink packet data channel includes making expansion on USF controlling distribution of uplink channel and furthermore adding time slot distribution identification for distributing time slot at specified time interval on USF and utilizing added time slot identification to distribute different time slot in the same time interval of the same PDCH different user for service.

This invention discloses a method for realizing redundancy of DHCP service and DHCP server, in which, the method includes: configuring at least two sets of routers as the DHCP servers and selecting one as the main one and then synchronizing DHCP information among the DHCP servers, when the main one is faulty, another one is selected as their main one to realize redundance of DHCP service.