5results about How to "Reduce sync time" patented technology

The present invention belongs to the field of wireless communication technology, and specifically relates to a method for realizing air interface synchronization of 4G signals on an optical fiber repeater and a small base station FPGA. The method comprises the following steps: performing power-on detection on a 4G optical fiber repeater or an integrated small base station to complete device initialization; performing synchronization channel capture configuration on the initialized 4G optical fiber repeater or the integrated small base station, shutting downlink processing of the 4G optical fiber repeater or the integrated small base station, and configuring the device to work in an uplink full-receiving mode; executing a signal processing algorithm in the FPGA of the optical fiber repeater or the integrated small base station, capturing a synchronization channel of a macro base station, and processing the capture correlation of a main synchronization channel; generating a new 10ms pulse according to the captured synchronization channel to complete time synchronization; optimizing the BOM list of a product, reducing a wireless communication module, and reducing material costs; optimizing the structural design of the product, and reducing the space occupied by the product.

The invention discloses a production line management and control integrated data synchronization method and system based on a big data technology, and relates to the technical field of production line data synchronization, and the method comprises the steps: marking production orders and production process data, generating production line management and control integrated data when detecting that the data changes, and triggering a synchronization mode judgment strategy; preliminarily selecting a synchronization mode according to the data volume, calculating synchronization time by combining the network bandwidths of the serial and parallel channels, and further selecting the synchronization mode; setting a serial and parallel synchronous waiting queue and a mark matching queue; different conditions of production order data and production process data are considered in design: when only the production order data is included, sorting is performed according to priority indexes; when only the production process data is contained, sorting is performed according to the production order and the task node sequence; when the two exist simultaneously, the method is synthesized for sorting; according to the design, accurate and efficient synchronization of production data is ensured, and the integration level and flexibility of production line management and control are improved.

This invention discloses a unified intermediate representation data model and construction method for hardware design, belonging to the field of electronic design automation. The model includes: a unified representation base class; structural relationship graph representation and temporal behavior representation, describing the structural composition and runtime behavior of the design, respectively; formal semantic consistency constraints to ensure semantic consistency between structure and behavior; and a semantic association architecture to establish bidirectional semantic mapping between various scenario representations such as HDL code, schematics, and waveforms and the unified representation base class. The construction method based on this model includes an incremental synchronization process, achieving automatic synchronization after any representation modification through change capture, cross-representation mapping indexing, and change propagation rules. This invention also provides an AI-assisted design method based on this model, improving AI interaction efficiency and the automation level of design verification through multi-dimensional context construction, syntax stripping, incremental interaction protocols, and automatic closed-loop verification.

The invention provides a closed space communication optimization method and related equipment thereof. The method comprises the following steps: correcting a received original acceleration according to a space coordinate system, identifying a motion state to generate space motion data, and carrying out correlation analysis on received power of a reference signal according to the space motion data to obtain an early warning mark of signal attenuation and a time window, and determining a target base station from the neighborhood list according to the early warning mark, performing pre-synchronization processing on the target base station to obtain synchronization information of the target base station, and connecting the terminal to the target base station according to the time window and the synchronization information when the signal power between the terminal and the current base station obtained by the terminal is lower than a power threshold. According to the method, the operation state of the closed space is pre-judged in advance, the adjacent region pre-synchronization and switching request is started before the signal is completely attenuated, the weak signal capturing capability is enhanced, and non-inductive transition and rapid reconstruction of communication are realized.

The invention relates to the technical field of satellite communication, and discloses a dual-mode satellite communication method and system based on a Ku wave band, and the method comprises the steps: starting a dual-mode satellite portable station, carrying out the optimization of an intelligent antenna array, and carrying out the quick satellite positioning; the cruising ability of the equipment is improved through the energy recovery and energy saving system, and switching between satellite communication and ground communication is carried out according to communication requirements; a satellite signal is predicted and compensated, and the communication security is improved by adopting an anti-interference and anti-interception technology; aiming at data transmission requirements of the Internet of Things, a satellite communication data transmission scheme is optimized, and dynamic allocation and optimal scheduling of resources are realized through a virtualized network management and scheduling system. According to the method and the system, a stable communication link can be quickly established and maintained, the efficiency and the speed of data transmission are improved, satellite communication and ground communication are automatically switched according to different communication requirements and environment conditions, and the flexibility and the adaptability of the system are improved.