32results about How to "Expand effective coverage" patented technology

The present invention provides an omnidirectional ceiling antenna, which includes a cone-shaped radiating oscillator, a cone-shaped reflector, a disc-shaped bottom plate, and an insulating dielectric ring; wherein the reflector includes a first hollow cone and a first cylindrical ring , the flared end of the first hollow cone is connected to the first cylindrical ring, and the outer diameter of the first cylindrical ring is smaller than the outer diameter of the flared end of the first hollow cone; a second cylindrical ring is arranged on the bottom plate, and the second cylindrical ring is connected to the first cylindrical ring. The cylindrical rings are socketed to form a space-isolated coupling structure; the insulating dielectric ring is arranged between the second cylindrical ring and the first cylindrical ring to realize isolation and support and fixation between the reflector and the bottom plate. The invention solves the problem that the high-frequency signal of the ultra-broadband indoor omnidirectional antenna gathers downward, not only expands the effective coverage of the high-frequency signal, makes the indoor signal distribution more uniform, but also effectively reduces the electromagnetic radiation intensity under the antenna, ensuring indoor Safety in the electromagnetic environment.

The present application discloses a public signal transmission method and device in the hybrid beamforming technology, wherein the method includes: acquiring an analog public signal to be sent; selecting different codewords from the analog beamforming codebook for different radio frequency chains as an analog beamforming vector; using the analog beamforming vector to perform analog beamforming on the analog common signals to be sent on the different radio frequency chains; The signal beam is sent out. The technical solution in the present application can realize the effective range coverage of the public signal in the hybrid beamforming technology.

The invention relates to a multiplex device and a multiplex method that support energy diffusion; the multiplex device comprises a multiplexer and an energy diffuser. The multiplexer multiplexes various data information into different logic channels to form a multiplex frame which comprises a multiplex frame header, a multiplex frame payload and a filling part. The energy diffuser conducts energydiffusion treatment to the filling part to randomize the data in the filling part. The multiplex device and the multiplex method that support energy diffusion of the invention can enhance the transmitting power of a CMMB transmitting system under the modulation of 16QAM, thus increasing the effective covering scope of a transmitting tower.

The present application relates to an information classification method, device, computer equipment and storage medium. The method includes: obtaining information to be classified, performing word segmentation on the information to be classified to obtain a corresponding set of original words; respectively obtaining synonyms corresponding to each original word in the set of original words, and forming extended words from the original words and corresponding synonyms Each original word has a corresponding set of extended words; according to the set of extended words corresponding to each original word, the set of extended classification information corresponding to the information to be classified is formed; the set of extended classification information is input into the trained multi-classification model The target category corresponding to the information to be classified is obtained, and the method can improve the classification accuracy of the information.

The present invention provides a method for dynamically delivering rules in a software-defined network, including S1. constructing a set of rule sets R into several rule subsets RS, so that the rules in each rule subset RS satisfy a complete hierarchical nesting relationship, and Each rule subset RS is generated as a complete hierarchical nesting tree; S2. According to the complete hierarchical nesting tree generated by each rule subset and the uploaded network package, construct the corresponding delivery rules; S3. Issue the above-mentioned construction The rules perform the geometric space "intersect" operation to obtain the final single delivery rule, and then perform the rule delivery operation. The method for dynamically issuing rules in software-defined networks according to the present invention can greatly improve the effective coverage of the flow of issued rules on the premise of ensuring the consistency of decision-making between the control plane and the data plane, significantly save device memory usage, and reduce the number of rules. The incidence of deletions.

The application relates to a system information processing method, device, computer equipment and storage medium. The method includes: monitoring the system information released by the terminal, and segmenting the system information to obtain a corresponding original word set; the original word set includes a plurality of original words; performing synonymous expansion on each original word, and generating an extended word corresponding to each original word Word set; form the extended system information set corresponding to the system information according to each extended word set; input the extended system information set into the preset system management model to obtain the target category corresponding to the system information; obtain the category labels corresponding to multiple target information trees , to filter the target information tree containing the label corresponding to the target category, and add the system information to the filtered target information tree. This method can regulate the efficiency and accuracy of information classification.

The invention discloses a base station system which comprises a baseband unit and radio frequency remote units. The baseband unit is provided with an aggregating unit, a merging unit and a processing unit. The aggregating unit is used for acquiring baseband signals from multiple radio frequency remote units; the merging unit is used for merging the baseband signals of multiple predetermined radiofrequency remote units according to the identification information of the multiple predetermined radio frequency remote units; and the processing unit is used for processing the merged baseband signals. Furthermore, the invention also discloses a baseband unit, a processing method of the baseband signals and a device thereof. The baseband signals of the multiple predetermined radio frequency remote units are merged into a signal such that the multiple predetermined radio frequency remote units are logically regarded as a logic entity by a high layer, thus realizing the use of the multiple predetermined radio frequency remote units as a logic cell, expanding the effective coverage area of the logic cell, and further reducing the frequency of the cell reselection and the cell switching.

Disclosed is a method for pre-processing and transmitting a downlink signal. The method comprises: a transmitting end i acquiring a channel coefficient matrix H i between the transmitting end i and a user equipment, being a complex coefficient matrix, N R representing the number of receiving antennas of the user equipment, and representing the number of transmitting antennas of the transmitting end i; the transmitting end i acquiring an optimal pre-coding matrix W i through the channel coefficient matrix H i , being a complex coefficient matrix, and d i representing the number of data streams transmitted by the transmitting end i; the transmitting end i calculating a rotation matrix U i of the transmitting end i by using all acquired channel coefficient matrices H 1 , ..., H i , pre-coding matrices W 1 , ..., W i , and rotation matrices U 1 , ..., U i -1 of transmitting ends cooperating with one another, when i = 1, the rotation matrix being U 1 which is a unit matrix; the transmitting end calculating a final pre-coding matrix according to the pre-coding matrix W i and the rotation matrix U i ; and pre-processing, through, data to be transmitted, and transmitting the data through an antenna port. Through the present invention, interference of a cell edge is reduced, spectral efficiency of the cell edge is improved, and effective coverage of a cell is increased.

A method and an apparatus for preprocessing and transmitting transmission signal are disclosed in the invention. The method includes that: W 1,k and W 2,k , which are the independent and optimal pre-coding vectors of a first transmission terminal and a second transmission terminal to the kth user, are calculated by the first transmission terminal and the second transmission terminal respectively according to downlink channel coefficient matrixes H 1,kand H 2,k of the kth user acquired through measurement or feedback; phase circumrotation is not performed for the transmission signal of the first transmission terminal, that is, the phase circumrotation matrix is R1=1, and a final pre-coding vector of the first transmission terminal is W ~ 1,k=W 1,k; a phase circumrotation matrix R2 of the second transmission terminal is calculated, and a final pre-coding vector of the second transmission terminal is calculated by W ~ 2,k= W 2,k°e j? according to the phase circumrotation matrix R2 of the second transmission terminal, wherein e j? is a phase circumrotation factor; the final pre-coding vectors W ~ 1,k and W ~ 2,k are made as processing weight values of the transmission sides which are used to multiply the respective original transmission signals, and the obtained results by multiplying are transmitted through antennas as final transmission signals. The invention reduces interference at the edge of cells and improves the frequency spectrum efficiency at the edge of cells.

A method, an apparatus and a system for transmitting uplink information are provided. The method includes: obtaining an uplink physical resource and an uplink mapping rule corresponding to a Physical Uplink Control Channel, PUCCH, and / or a Physical Random Access Channel, PRACH, and / or a Reference Symbol, RS, which are negotiated by coordinated cells; and using the uplink physical resource to transmit uplink control information and / or random access information and / or the RS according to the uplink mapping rule. Multiple coordinated cells collaborate to allocate the uplink physical resource corresponding to the PUCCH and / or the PRACH and / or the RS, and use the uplink physical resource to transmit the uplink control information and / or the random access information and / or the RS according to the uplink mapping rule. In this way, the uplink control information, the random access information, and the RS are transmitted by the coordinated cells collaboratively; the effective coverage of the coordinated cells is improved; and the interference between the coordinated cells is reduced effectively.

The invention provides a method and system for measuring the three-dimensional distribution of high-voltage electric field. In the system, the attitude sensor detects in real time the angle vector offset value of the current position of the installation body relative to the original calibration position, and the electric field sensor measures the current position and the current angle vector offset. The value of the electric field intensity under the value can realize the matching and calculation of the electric field intensity distribution information relative to the original calibration position of the detection system, and finally complete the measurement of the three-dimensional distribution information of the high voltage electric field. The detection system and method improve the effective coverage of the electric field detection without increasing the number of electric field sensors, guarantee its portability and ease of use, and provide more comprehensive protection for detection personnel. In the detection system provided by the present application, the setting of the freely rotatable pan-tilt makes the electric field measurement device have no detection blind area, and furthermore, there is no problem of false alarm or missed alarm caused by the detection blind area.