339results about How to "Guaranteed throughput" patented technology

The present invention provides a method and a system for transmitting the correct/wrong reply message. In a carrier-aggregated frequency division dual (FDD) system, which a base station is provided with a PDSCH scheduled to a certain UE in a plurality of downlink component carriers, PUCCH channels corresponding with the feedback state of the ACK/NACK reply message are respectively selected for two transmission blocks in each downlink component carrier, and the corresponding 2-bit information in the mapping relationship is transmitted on the PUCCH format 1b. According to the invention, the feedback state on each transmission block is transmitted with a mode of channel selection and PUCCH format 1b. Thus the UE can feed back the feedback information of all transmission blocks of the received descending component carrier, therefore the reducing of the system throughput performance is prevented and the system throughput is guaranteed. Simultaneously, when the base station configuration UE is in a receiving mode of space division multiplexing, the channel condition of the UE is better in general, and the detectability of the ACK/NACK reply message is guaranteed.

The invention discloses a bridge plug with a large drift diameter. The bridge plug comprises an upper joint, a central tube, a guiding shoe head and a bridge plug assembly; the upper joint is an annular part and is fixedly connected with the outer side of one end of the central tube in a sleeving mode; the central tube is a metal central tube, a soluble ball base is arranged at the end, close to the upper joint, of the central tube, and the central tube is a drillable metal part; the guiding shoe head is an annular part, is fixedly connected with the outer side of the other end of the central tube in a sleeving mode and is provided with a device used for being fixedly connected with a pull rod which is arranged in the bridge plug in a sleeved mode; the middle section of the central tube is sleeved with the bridge plug assembly which is located between the upper joint and the guiding shoe head. The invention further discloses a setting method of the bridge plug with the large drift diameter. The drilling polishing procedure of the bridge plug with the large drift diameter can be omitted, the problems of a long construction period, high operation cost and high construction risk brought by drilling polishing are solved, and the bridge plug is easier and more convenient to use and faster to construct.

The invention discloses a hybrid retransmission method. The method comprises the following steps: transmitting data comprising all code blocks (CB) by adopting a transmission block (TB) retransmission way; during data retransmission, dividing retransmission data into L groups according to a packet length M, and putting the CBs left after grouping into a last group, wherein the M is greater than or equal to 1, and is smaller than or equal to a preset maximum value; and determining a TB retransmission way or a CB packet retransmission way according to the L. After application of the hybrid retransmission method, the system overhead can be reduced on the premise of ensuring system throughput, and system resources are fully utilized.

A method for guaranteeing control traffic throughput in an in-band network configured for delivering control and data traffic, and considering both local and global views of the communication network. The method includes determining an initial configuration for forwarding first control traffic from the packet forwarding device, wherein the initial configuration comprises a first in-band queue for receiving the first control traffic that is delivered over the control path to the controller via a port in the packet forwarding device, and a first bandwidth reserved for the first queue. The method includes performing handshaking with the controller by sending a request to the controller confirming the initial configuration using a network control protocol, and receiving a response from the controller in association with the request. The method includes confirming or modifying the initial configuration based on the response.

The invention discloses a packet scheduling method in high speed downlink packet access HSDPA network. The method includes: A. according to channel quality indication CQI information of priority queuing which is reported by presidial user equipment UE in current transmission time interval TTI, downlink average speed of PQ packet data transmitted to UE, data bulk of PQ packet data cache stored in RNC and scheduling priority index for PQ which is arranged by RNC, a Node B obtains PQ priority; B. the PQ priority sequence is different UE distribution radio resource, the Node B transmites packet data to UE through distributed radio resource. The method not only guaranteens system throughput and UE impartiality, but also guaranteens packet data QoS level and UE priority.

A self-propelled harvesting machine such as a combine harvester has multiple working units for processing crop picked up from a field, a driver assistance system for the sensor-supported control of the working units, an environmental sensor system for detecting environmental information and spatial areas of applicability located in the environment of the harvesting machine. The driver assistance system has a memory for storing data and a computing unit for processing data, including the data stored in the memory. A functional system model for at least one part of the harvesting machine is stored in the memory. The computing unit functions as a characteristic control on the basis of the system model and autonomously determines machine parameters of at least one working unit and specifies these to the particular working unit.

The invention discloses a method for sending acknowledgement information and a user terminal, which are applied to a system adopting carrier aggregation technology. The user terminal comprises a bit allocation module, an information processing module and an information sending module. The method comprises the following steps that: user equipment (UE) allocates a bit number occupied by the acknowledgement information of a downlink sub-frame to each downlink sub-frame in a configuration window corresponding to an uplink sub-frame respectively according to the uplink/downlink configuration information, the total bit number occupied by the acknowledgement information of all downlink sub-frames is a positive integer k; the UE performs AND operation on the acknowledgement information of each downlink sub-frame respectively according to the reception condition of a physical downlink shared channel (PDSCH) in each downlink sub-frame so as to acquire the acknowledgement information of each downlink sub-frame, wherein the bit number occupied by the acknowledgement information of each downlink sub-frame is the bit number allocated by the UE; and the feedback acknowledgement information of the downlink sub-frame is the feedback information of the PDSCH received in the high downlink sub-frame. The method and the user terminal guarantee the throughput of the system to the largest degree.

The invention discloses a flexible networking method on a wide-area coverage scene, and belongs to the technical field of communication network networking. The method comprises the following steps that due to a full-network topology division coverage area, the number and the positions of base stations needing to be built are selected according to the area of the coverage area and the coverage radiuses of the base stations; the networking mode between cells is flexibly selected according to the coverage area, optical fiber resources and QoS requirements between adjacent cells; hot point sectors are partitioned in the cells and clustered, and a static relay is distributed at the geometric center of each cluster; frequency planning is respectively conducted on the hot point sectors and non-hot-point sectors; extending coverage is conducted on the hot point areas on the edges of isolated villages. The flexible networking method can effectively lower building cost of the base stations and reduce operation and maintenance expenses, resolve the problem that remote areas on the wide-area coverage scene can not be connected to a core net, effectively reduce the number of concurrence terminals and expenses of control signaling, improve the frequency spectrum use ratio, and guarantee handling capacity of the edges of the cells.

A low-power media access control method of node dynamic sleeping includes the following steps: (1) organizing the network topology to clustering topology and realize a coarse-grained clock synchronization between the node inside the cluster and the cluster head and make the node work and sleep periodically; (2) the nodes have three operating modes: a sending mode, a receiving mode and a cycle work mode, wherein the node of the cycle work mode is characterized in that the nodes work or sleep periodically and the actual work and sleep time period of the nodes changes dynamically and the operation sub-time-period of the neighboring node can be calculated; (3) in one work cycle, the operation sub-time-period of any two adjacent nodes can be overlapped to guarantee the communication; (4) the node can intercept the packet sent by the adjacent node and adjust the sleep time period according to the information carried by the packet to reduce the carrier interception times; (5) dynamically adjusting the busy and idle degree of the node according to different data sampling rates so as to reduce the power consumption while guaranteeing the throughput. The method, which is simple and reliable, has advantages of low power consumption, short delay, strong adaptive capacity and effectively prolonged life cycle of the network.

The invention discloses a method for dispatching shortest-job-first memory requests on the basis of fairness consideration, which is used for a memory controller to dispatch various threading access requests when a chip multicore processor (CMP) accesses share memory resources, takes fairness when multiple threads access the memory, reduces request average waiting time and maintains inherent parallelism of the threads. The method includes: counting waiting time of memory access requests, and setting the threshold value Tmax of the maximum waiting time through testing to guarantee fairness of the threads. According to shortest-job-first strategy, threads with fewer requests can access memory as soon as possible, so that the average waiting time of the threads is shortest. Uniform priority level of the threads in the memory is set among various banks, so that the requests of the same thread on different banks can receive services, and memory level parallelism (MLP) is realized. The method for dispatching shortest-job-first memory guarantees throughput rate of the memory system and the integral performance of the system is improved completely.

The invention discloses a processing system of drilling liquor which contains the sand removing part (1), the air removing part (2) an the return-service part (3). The drilling liquor returning from the portal eliminates the debris and natural gas by passing the sand removing part (1) and the air removing part (2) sequentially. Build into ash and liquid chemical agent in the return-service part (3). A sludge scraper (4) used for eliminating clay cake in the drilling liquor is set at the upstream of the sand removing part (1) (the upstream end of the splitter). The slurry returning from the portal passes the sludge scraper firstly to eliminate the clay cake. Therefore, it reduces the workload of the vibrating shaker at the downstream greatly and avoids the clay cake adhering shaker or bulking shaker, which improves the handing capacity and prolongs the service life of the vibrating shaker.

An information channel and power combined self-configuration method for APs (Access Points) in wireless local area network comprises the steps as follows: the area where the APs to be configured are located is selected as a local network, and the local network is divided into a plurality of grids according to practical conditions; each AP sends out a self-configuration request to a server and simultaneously reports the position coordinate of the AP and the scanned frequency spectrum use information of the ambient environment of the AP; the server analyzes the positions and the ambient environments of the APs according to the self-configuration requests of the APs, and allocates information channels and power parameters to the APs to be configured in combination with the use conditions of AP information channels in neighbor cells under the premises of meeting the coverage rate requirement and minimizing same frequency interference, that is, first the signal energy of each grid is estimated according to a path loss empirical model to learn the network coverage condition, and then the information channel and the power parameter eventually configured for each AP is obtained through calculation based on the principle that the energy efficiency ratio is highest, and are sent to the AP to be configured. The method provided by the invention is quick and effective, guarantees the region coverage requirement, avoids same frequency interference to the maximum extent and guarantees that the energy efficiency ratio of the network is highest.

A pneumatic particle size classifying device for solid particles comprises a fluidized bed main body, a cyclone separator, material inlets, an air distributing system, a secondary air port, a coarse material outlet and a fine material collecting and discharging system. The material inlets are positioned on the middle upper portion of the fluidized bed main body and are distributed on four walls in a multi-point manner, the hopper-shaped air distributing system consists of an inclined air distributing plate, the coarse material outlet is arranged in the center of the inclined air distributing plate, the fine material collecting and discharging system consists of a fine material collecting chamber and an intermittent discharging valve and is directly connected with a lower particle outlet of the cyclone separator, or the fine material collecting and discharging system can consist of a fine material collecting chamber and a fine material discharge port and is connected with a particle outlet of a feedback valve. The pneumatic particle size classifying device is simple in structure, effective pneumatic particle size classification for selective coking coal particles is carried out by fluidization technology, retaining time of the particles in the bed body can be effectively prolonged, the pneumatic particle size classifying device is stable in running and fine in separation effect, and energy and coking coal resources are greatly saved.

The invented method includes following steps with characters of supporting hybrid automatic feed back request (HARQ) technique. In preparing step, the dispatching cycle is fixed. Several adjacent subcarrier waves constitute the sub band. The resource composed of several sub bands is dispatched once a time in each time slot. Then, the mobile station feeds back the word of data rate control (DRC) obtained by quantizing average S/N ratio based on each sub band. In the step of dispatching retransmission data, after calling out the parameters of the scheme at last transmission for retransmission data, the retransmission data are fed back for several transmissions, which have largest DRC, in user's all available sub bands. The invention uses the low error rate of HARQ method and gives attention to both of fairness and system efficiency, and processes low feedback quantity and control amount of information.

The invention provides a method for processing a discontinuous reception period in machine-type communication and network-side equipment in order to solve the problem that network congestion is easily caused by the improvement of the discontinuous reception period at present. The method for processing the discontinuous reception period in the machine-type communication comprises the following steps that the network load condition of the machine-type communication is acquired by the network-side equipment; the discontinuous reception period of a terminal is adjusted by the network-side equipment according to the network load condition of the machine-type communication; a paging message is sent to the terminal by the network-side equipment through a base station, and the adjusted discontinuous reception period is carried in the paging message so that data is reported by the terminal according to the adjusted discontinuous reception period. As the discontinuous reception period of the terminal is adjusted according to the network load condition, the data can be reported by the terminal according to the adjusted discontinuous reception period. The phenomenon that multiple terminals report data at the same time is avoided, thus solving the network congestion problem.

The invention discloses a data transmission method and device. The data transmission method comprises the following steps: a RB is established on a second cell after the RB is established in a first cell, wherein a PDCP entity on the first cell of the RB is a first PDCP entity, and the PDCP entity on the second cell of the RB is a second PDCP entity; before deleting the RB on the first cell, the first PDCP entity receives a PDCP SDU from an upper layer or the core network, and assigns the SN and HFN to the PDCP SDU; the first PDCP entity sends the PDCP SDU and the SN and HFN assigned to the PDCP SDU to the second PDCP entity; the first PDCP entity processes the PDCP SDU according to the SN and HFN to generate a PDCP PDU; and the second PDCP entity processes the PDCP SDU according to the SNand HFN sent by the first PDCP entity to generate the PDCP PDU.

The invention relates to the field of mobile communication and particularly relates to a traffic load balancing method based on a leaf-spine topology structure, devices and a system. According to the traffic load balancing method based on the leaf-spine topology structure, a first leaf device sends a plurality of congestion detection messages to a second leaf device through a plurality of paths; each congestion detection message carries a congestion value; the congestion values are used for indicating the congestion degree of the paths passed by the congestion detection messages; and the first leaf device selects at least one path to send data to the second leaf device according to the congestion value of each path. Through application of the scheme provided by the invention, the load balancing of a whole network is realized.

The invention relates to a multiple-input multiple-output (MIMO) signal detection method based on breadth-first tree search, mainly solving the problem of high complexity of the existing MIMO detection method. The method is implemented by the following steps: (1) preprocessing a system, wherein the step comprises QR decomposition of a channel matrix and precomputation of a path metric factor; (2)using the concept of breadth-first tree search to detect signals layer by layer: 2a) using survival paths of a previous layer to expand the paths of the current layer: using a Schnorr-Euchner enumeration method to sequentially determine path expansion sequence, expansion paths and path metrics; and 2b) using a merge sorting method to sort the path metrics of the expansion paths to determine survival paths; and (3) if the detection on all layer signals is finished, taking the survival path metric corresponding to the minimum path metric as the final detection output, otherwise, transmitting the survival path to the next layer to detect the signal of the next layer. The method of the invention has the advantages of low complexity and small performance loss, and can be applied to signal detection of an MIMO receiver of a next-generation broadband wireless communication system.

The invention discloses a wireless resource management method, including steps of: allocating frequency point and time slot to marginal customer device in preference; scheduling user device on the access frequency point and time slot. The invention configures one or more marginal customer device with resource access preference. Because difference of resource selection sequence between marginal customer and central customer, there is no interference, resource waste problem caused by adoption of resource reservation is avoided. The invention ensures that marginal customer get access to resource, with consideration of system throughput. The invention also provides a wireless network controller and a base station device.

An embodiment of the invention provides a data processing method and device. Each client information table in a database is converted into metadata files carrying table structure information and client data files carrying client information in the table periodically, and total client attribute data are loaded to a distributed cache system actively by loading the metadata files and the client data files to the distributed cache system. By means of the method and the device, mass client attribute data are cached through the distributed cache system, so that the response speed, the throughput and the stability of client attribute data providing can be effectively guaranteed.

Embodiments of the invention provide a resource scheduling method, a base station and user equipment. The resource scheduling method comprises the following steps: receiving a scheduling request sent by the user equipment UE; determining a scheduling type of the UE, wherein the scheduling type is edge UE or non-edge UE; scheduling a frequency resource for the UE according to the scheduling type of the UE and frequency resource configuration of a service cell of the UE by the base station; sending scheduling information used for indicating the base station to schedule the frequency resource for the UE to the UE, wherein the frequency resource configuration comprises a public frequency resource and a special frequency resource; the public frequency resource allows virtual multi-input multi-output VMIMO pairing and can be used for scheduling the edge UE and the non-edge UE; and the special frequency resource allows no VMIMO pairing and can only be used for scheduling the edge UE. According to the resource scheduling method provided by the embodiments of the invention, by determining the scheduling type of the UE, the edge UE is preferably scheduled on the configured special frequency resource, and no VMIMO pairing is carried out, so that the throughput and the performance of the edge UE can be improved on the condition of guaranteeing the throughput of the entire VMIMO system.

The invention discloses a low-density parity check code-based adaptive modulation and coding method. The method comprises the following steps of: transmitting a transmitted signal into a wireless channel by using a radio frequency transmitting module after performing dual-code rate low-density parity check code coding and dual-mode modulation in a transmitter part; according to feedback information of a receiver, switching a low-density parity check code coding mode and a modulation mode, and selecting one of two modulation and coding scheme (MCS) selection algorithms according to system requirements; performing frequency-conversion on a received signal to obtain a baseband signal or an intermediate frequency signal by using a radio frequency receiving module, and outputting the baseband signal or the intermediate frequency signal after performing signal detection, the dual-mode modulation and the dual-code rate low-density parity check code coding; and performing channel estimation according to the received signal, feeding a channel estimation result back to the transmitter, and simultaneously switching the low-density parity check code coding mode and switching the modulation mode. The method can improve the efficiency of a data transmission bandwidth remarkably and realize the balance between transmission performance and technology realizing complexity.

The invention relates to a radio frequency circuit, an antenna control method, communication equipment and a computer readable storage medium. The radio frequency circuit comprises a transceiver module; a first antenna group, which comprises a plurality of first antennas and is used for receiving and transmitting 4G radio frequency signals and 5G radio frequency signals; a second antenna group, which comprises a plurality of second antennas and is used for receiving and transmitting 5G radio frequency signals; a switch control module, which is connected with the transceiver module, the first antenna group and the second antenna group, and is used for controlling one target antenna sequentially determined from the first antenna group or the second antenna group to send a detection referencesignal to a base station when the transceiver module sends the detection reference signal; and controlling the remaining antennas in the first antenna group to receive and transmit the 4G radio frequency signals and the 5G radio frequency signals when the target antenna is the first antenna. The first antennas are multiplexed to transmit and receive 4G and 5G radio frequency signals, the total number of the antennas is reduced while the throughput of the antennas is ensured, and the number of the antennas is reduced, so that the isolation degree of the antennas can be increased, and mutual interference of the antennas is reduced.

The invention discloses a CRS power confirming method and equipment. The method includes conforming the CRS power of a corresponding cell; confirming a first PRB position for scheduling of a center user of the cell and a second PRB position for scheduling of an edge user of the cell; confirming that the CRS power of the first PRB position is obtained after the CRS power corresponding to the cell subtracts first preset power; confirming that CRS power of the second PRB position is obtained after the CRS power corresponding to the cell adds second preset power. The CRS power of different frequency domain positions is set separately, on the premise that emission performance of an RRU is not influenced, the emission power of information scheduling of the cell is guaranteed, coverage of the cell is improved, the power of a URS, the power of a PDCCH and the power of a PDSCH of beamforming users on the edge of the cell are improved, improvement of downlink signal quality of the beamforming users is benefited, frequency spectrum efficiency of the edge of the cell is improved, and meanwhile throughput capacity of a whole system is maintained.

The invention discloses a game theory-based radio resource optimization method in an LTE-A relay system. The method mainly resolves the problem of compromise between system throughput and user fairness when relays are introduced to a cell. The method comprises the steps that SINR values of all users in the cell are calculated, whether the users are connected to a base station or the relays is determined according to the SINR values of the users, the reachable data rate and the minimum required rate of each user are calculated, the SINR dispersity of each micro cell is calculated, and the cell balance index meeting cell throughput maximization and user fairness optimization is obtained through the game theory. According to the game theory-based radio resource optimization method, the SINR dispersity of the users is used as the main parameter of fairness, and fairness of the users in the center of the cell and the users on the edge of the cell are improved obviously; the throughput, the fairness and the game theory are combined, so that system resources are used more effectively, the throughput is maximized under the condition that the fairness is guaranteed, and whole performance of the system is enhanced.

The invention discloses a practical Byzantine fault-tolerant consensus mechanism optimization system of an industrial block chain, which screens out a batch of nodes with higher performance by introducing a reinforcement learning algorithm to screen out block chain network nodes, improves node consensus rules, and optimizes indexes such as block chain network consensus time delay and throughput. Therefore, large-scale application and sustainable development of an industrial Internet system are realized, data tampering is further prevented, data security is ensured, and meanwhile, the expandability and throughput of the system are not affected.