77results about How to "Reduce scheduling overhead" patented technology

A method of transmitting a sounding reference signal includes generating a physical uplink control channel (PUCCH) carrying uplink control information on a subframe, the subframe comprising a plurality of SC-FDMA(single carrier-frequency division multiple access) symbols, wherein the uplink control information is punctured on one SC-FDMA symbol in the subframe, and transmitting simultaneously the uplink control information on the PUCCH and a sounding reference signal on the punctured SC-FDMA symbol. The uplink control information and the sounding reference signal can be simultaneously transmitted without affecting a single carrier characteristic.

The invention discloses a semi-static resource scheduling method, which comprises the steps of: monitoring downlink channel control information DCI of a first format group format, and activating semi-static scheduling SPS according to the indication of the DCI of the first format group format; and monitoring DCI of a second format group format, releasing SPS according to the indication of the DCIof the second format group format, wherein the DCI format load size of the second format group format is smaller than that of the first format group format. Compared with the prior art, the scheduledDCI format load size after SPS activation is smaller than that of SPS activation, the power consumption of monitoring and detecting the DCI by means of UE is reduced, the downlink channel scheduling overhead of the SPS is decreased, the service time delay is reduced, and the efficiency of resource utilization is significantly improved. In addition, the invention further discloses user equipment used for semi-static resource scheduling.

The invention provides a distributed system multilevel fault tolerance method under a cloud environment, which comprises a distributed application collaboration algorithm based on a virtual machine disk snapshot, which can back up the I/O state and the dependent operating system environment; a hierarchical fault detection and recovery mechanism, which can detect a physical layer, a virtual layer, a cloud platform layer, a virtual machine OS layer and an application layer fault in real time, and adopt the matched fault recovery method for different faults. Thus, the fault detection and recovery can be refined to modules, and the strategy of top-down stepwise recovery is adopted to minimize the recovery overhead; based on the virtual fault tolerance cluster service deployment strategy of the template, a user can use the virtual machine template to perform one-click deployment on the virtual machine fault tolerance cluster and upload the operation to perform collocation, and use the authorized fault-tolerant PaaS service. The invention can effectively solve the problems that the existing cluster deployment is complicated and the fault tolerance overhead is expensive, and can cope with the distributed application fault at all levels under the cloud computing environment in all directions.

The utility model discloses an indication method for wireless resource allocation in a LTE system, comprising: a base station informs a terminal the system bandwidth and sends the dispatch/control instruction containing allocation domain of the resource block to the terminal. The terminal knows the resource block allocated on the basis of the system bandwidth and the resource block allocation domain in the dispatch/control instruction. The indication method in the utility model can decide the RB resource to be allocated to the terminal by making the terminal get the system bandwidth and the RB allocation domain in the dispatch/control instruction from the network side, so that the dispatching expense is greatly reduced.

The invention discloses a hybrid task scheduling method of a directed acyclic graph (DGA) based reconfigurable system. The hybrid task scheduling method includes decomposing an application into multiple tasklets described by DGA, and scheduling the tasklets through a scheduler; allowing software tasks to enter a queue Q1, and calculating the software tasks in the queue Q1 according to CPU idling condition and scheduling priority after the software tasks are managed through a task manager; allowing hardware tasks to enter a queue Q2, and further allowing the hardware tasks to enter a queue Q3 if the hardware tasks in the queue Q2 are capable of reutilizing a reconfigurable resource, otherwise, keeping the hardware tasks queuing up in the queue Q2 according to the priority and then configuring and loading through a loader; completing the process of configuring and loading or allowing the tasks in the queue Q3 to enter a queue Q4, allowing the tasks in the queue Q4 to enter a queue Q5 after the tasks are managed via the task manager, then running the tasks according to the priority, sequentially circulating until finishing running of all the tasks, and finally feeding back the total running time. The Q1 refers to the software task queue, the Q2 refers to the preconfigured hardware task queue, the Q3 refers to the configuration reuse queue, the Q4 refers to the configuration completion queue, and the Q5 refers to the running task queue. Configuration frequency is reduced by a configuration reuse strategy, so that the overall scheduling overhead is reduced.

This invention relates to one detector of high speed network flow based on Linux and its method in computer technique, wherein the detector comprises data sampling module, message matching module, overflow disassemble module. The sample module is to extract the flow characteristics through mapping buffer area to matching module process and adopts user space to inner buffer area mapping and high-speed hash barrel.

The invention discloses a network processor load balancing and scheduling method based on residual task processing time compensation. The method includes: using the processing time of each data packet as load scheduling weight, counting the residual task processing time of each processing unit, calculating the load of the each processing unit according to the task processing time, and selecting the processing unit with the minimum load to schedule the data packets. By the method, the defects of traditional load balancing algorithms based on data streams are overcome, the good multicore network processor balancing effect can be achieved.

The utility model discloses a dispatching method for the descending VoIP business, comprising a step S302, a step S304 and a step S306; wherein the step S302 is that the wireless communication system transmits and retransmits firstly the pre-assigned wireless resources integration and MCS integration to the descending VoIP business grouping; the step S304 is that the base station makes option from the pre-assigned wireless resources integration and MCS integration and makes the first transmission or retransmission to the VoIP grouping through the selected wireless resources and MCS; the step S306 is that the terminal receives the first transmitted or retransmitted VoIP grouping according to the pre-assigned wireless resources integration and the MCS integration. The utility model has advantages of reducing fully the dispatching expenses and obtaining more dispatching flexibility and self-adaptive capacity.

The invention discloses a hardware method for process memory management core related to schedule performance. The method hands over the process memory management directly related to the schedule performance in an operating system, including the functions of creating, deleting and switching of process page tables, virtual address mapping, switching of the virtual address to the physical address, to hardware for completion, thus reducing the expenditure of process switching while scheduling and improving the efficiency when in process switching. The hardware method can be utilized for other parts of the operating system. The hardware method realizes process memory management, reduces the expenditure of process switching and improves the efficiency when in process switching, hands over the functions which are originally realized by the software code to a hardware unit for completion, eliminates the possibility that a certain part of the operating system is modified maliciously and guarantees the complete correctness and reliability of processing.

Apparatus, methods, and computer-readable media for facilitating using of pre-configured UL resources to transmit grant-free data or reference signals are disclosed herein. An example method for wireless communication by a UE includes transmitting, to a base station, a capability of the UE to transmit data in a first message of a random access procedure. The example method also includes receiving pre-configured UL resources from the base station. The example method also includes transmitting data in the first message of the random access procedure using the pre-configured UL resources.

The invention discloses a layout method of dynamic reconfigurable FPGA. The method comprises the steps that calculation resources of an FPGA dynamic reconfigurable system are constructed, a bit map method is adopted to conduct management of the FPGA calculation resources, a task model of a single hardware task Tn is established, and during the process of FPGA online layout, deformation is conducted on a task model by using an FF Reshaped-Task-Model scheduling model to complete layout. According to the method, a strategy of changeable task model is introduced in the process of FPGA online layout, under the situation that the first layout fails, the shape of an online task is changed, a layout algorithm is scheduled again, the flexibility of a task is increased due to the fact that the shapeof the task is changeable, the selectivity of the task when layout is performed is improved, so that the success rate of task layout is increased, and the utilization rate of the FPGA resources is increased.

Provided is a beam indication method, which can save the scheduling overhead of downlink signal reception and uplink signal transmission. The method comprises: receiving first information from networkequipment, wherein the first information is used for determining a first receiving beam of a downlink signal and a first sending beam of an uplink signal; and determining a first receiving beam of the downlink signal and a first sending beam of the uplink signal according to the first information.

The invention relates to the technical field of micro-services, and particularly discloses a service data processing method and device and a micro-service architecture system. The micro-service architecture system comprises a main processing thread module, a shared memory, a pulling thread module, a distributed message publishing and subscribing system and a stream processing system; the main processing thread processing module receives the service message, analyzes the service message to obtain a service data stream, and sends the service data stream to a message receiving queue of the distributed message publishing and subscribing system; the main processing thread module also obtains a calculation result from the shared memory and returns the calculation result to the calling party; the flow processing system obtains the service data flow from the message receiving queue and performs logic calculation on the service data flow to obtain a calculation result and writes the calculation result into a message return queue of the distributed publishing and subscribing message system; and the pull thread module obtains the calculation result from the message return queue and stores the calculation result in the shared memory. According to the scheme, the system throughput and the server resource utilization rate can be improved.

The invention discloses a message processing method and a message processing device. The method comprises the following steps of dividing multi-core central processing unit CPU of a processed message into at least one scheduling domain, and dividing a virtual thread of the processed message into at least one virtual thread working group; respectively distributing the at least one scheduling domain for the at least one virtual thread working group; according to the at least one distributed scheduling domain, and according to the load balancing principle, processing messages in each virtual thread working group. The message processing method and the message processing device are used for solving the problems that CPU resources are wasted comparatively, and the message processing flexibility is lower by an adopted priority global scheduling algorithm under the normal conditions when message processing is performed.

The application relates to the technical field of networks, and particularly relates to an acceleration capability adjustment method and device for adjusting an acceleration capability of a virtual machine, aiming to solve the problem of service interruption caused by allocating or releasing PCI acceleration equipment to the virtual machine. The method includes the following steps: determining a virtual machine to be adjusted and an acceleration capability requirement of the virtual machine to be adjusted, and reconfiguring the acceleration capability of at least one virtual acceleration equipment that has been allocated to the virtual machine to be adjusted according to the virtual machine to be adjusted and the acceleration capability requirement. Therefore, by adopting the method provided by the embodiment of the application, the number of the virtual acceleration equipment cannot be changed, the process of restarting the virtual machine to make the newly allocated acceleration capability or the released acceleration capability take effect is not required, and the service interruption cannot be caused.

The invention provides a broadband wireless communication relay dispatching system. Integral channel gain information is not needed, and an initiating node decides whether a relay transmission mode is adopted or not; a selected relay node decides whether data are forwarded or not according to the local channel gain information. According to the broadband wireless communication relay dispatching system, the transmitted space diversity capacity is improved while the dispatching expenditure between the nodes is reduced, and therefore the communication stopping probability is reduced, and the total transmission power of the system is reduced while the service quality of the system is ensured.

The invention discloses a scheduling information receiving method. The method comprises the following steps: acquiring downlink control information (DCI); And determining the scheduling information corresponding to the PUSCH in the DCI according to the mapping relation between the transmission configuration resources used by the physical uplink shared channel PUSCH and the scheduling information in the DCI. Compared with the prior art, the method has the advantages that the cost is low;, According to the invention, the scheduling information in the DCI is determined according to the mapping relation between the transmission configuration resources used by the UE for transmitting the PUSCH and the scheduling information in the DCI; According to the embodiment of the invention, the base station can only send one DCI (Downlink Control Information), so that the scheduling of all UE (User Equipment) with a mapping relation between the PUSCH transmission configuration resources and the scheduling information in the DCI is realized, the scheduling overhead is reduced, the resource waste is reduced, and the scheduling efficiency of the communication system on the terminal is remarkably improved.

The invention provides a data reading method and device based on a DMA engine and a data transmission system, and the method comprises the steps: receiving a reading request command of a user side, caching the reading request command to a first memory according to a first sequence, sending the reading request command to the user side according to the first sequence, and enabling the first memory to be in one-to-one correspondence with the user side; sending the read request command to a corresponding destination storage end, recording a second sequence by adopting a second memory, the second sequence being a user end sequence corresponding to the read request command received by the destination storage end, and the second memory being in one-to-one correspondence with the destination storage end; caching the returned data to third memories according to a second sequence, enabling one destination storage end to correspond to a plurality of third memories, and enabling the third memoriescorresponding to the destination storage ends to be in one-to-one correspondence with the user ends; and transmitting return data corresponding to the read request command to the user side accordingto the first sequence. Compared with the prior art, the method has the advantages that the number of DMA engines and interfaces is reduced, and then the scheduling overhead is reduced.