109results about How to "Reduce sending delay" patented technology

The invention discloses a paging signal transmitting method, a paging signal receiving method, an apparatus and a system, and relates to the field of communication. The paging signal transmitting method comprises: an access network device generating a paging signal; at the same time, on n sub-bands, the access network device using n scanning beams to send the paging signal to a terminal, a beam scanning area of the scanning beam, corresponding to each sub-band, being different, n being a positive integer larger than 1. In an embodiment, the access network device uses n scanning beams to scan at the same time, so as to reduce beam scanning period required by a complete scanning cell to 1/n of beam scanning period corresponding to a single scanning beam, and awakening duration configured on the terminal is reduced. Thus, time of the terminal in a dormant state is improved, and the method is beneficial for saving electricity for the terminal.

The invention provides a node network access method based on the distributed time division multiple access wireless ad hoc network. The node network access method comprises the following steps: (1) a new node sends network access request message in the wireless ad hoc network; (2) the existing node evaluates the network load condition per se and judges whether to send a network access permission message to the new node; (3) after receiving the network access permission message, the new node records route information reaching the source address of the message; (4) the new node analyses the received network access permission message, selects an acceptable mini time slot and sends a time slot receiving message for confirmation; (5) a node receiving the time slot receiving message in the network judges whether to release own redundant time slot and adds the route information reaching the new node; and (6) the network access process is completed. Through the node network access method, the utilization ratio of network resources is increased, the network access time delay of the new node is reduced, and the sending time delay of part of short-distance messages is reduced.

The invention discloses a side link communication terminal equipment cooperation information indication method, and the method comprises the following steps: determining a standby PSFCH resource set corresponding to a PSSCH, wherein the standby PSFCH resource set comprises special resources used for sending cooperation information, and the special resource and a PSFCH resource used for sending the HARQ information in the PSFCH resource configured by the system occupy different resource positions; and indicating the position of a special resource in the standby PSFCH resource set according to a special resource index, wherein the cooperation information is used for indicating that transmission resources occupied by the PSSCH sent by the first terminal device and the second terminal device have conflicts, or is used for indicating HARQ retransmission information sent by a third terminal device. The invention further discloses equipment for implementing the method. The problem that cooperation information cannot be sent in the prior art is solved.

A method and gateway device for sending data are provided by the embodiments of the invention. The method includes: receiving a data packet from a sensor network, and determining the application layer data attribute and/or delay demand of the data packet; according to the application layer data attribute and/or delay demand of the data packet, determining the time window which the data packet belongs to, and storing the data packet in a storage area corresponding to the determined time window; when arriving a sending time of the current time window, packing the data packet stored in the storage area corresponding to current time window, and sending the packetized data packet to another network. The invention embodiments uses forwarding mechanism based on the time window, determines the time window for the data packet according to the application layer data attribute and/or delay demand of the data packet, and timely packs and forwards the data packet within the time window, therefore reasonable schedules the sending time for the different data packet, and debases the sending delay for the high instantaneity data packet.

The invention discloses an IEEE 802.11 WLAN (wireless local area network) low-delay energy-saving technique. A WLAN is an infrastructure WLAN comprising an AP (access point) and a plurality of motion stations STA. The energy-saving technique includes an AP operating step and an STA operating step, wherein an idle timer and a sleep timer are optimized at the STA end. The IEEE 802.11 WLAN low-delay energy-saving technique has the advantages that the technique is energy-saving, delay in data packet transmission is reduced, and memory overhead of the STA and AP in the WLAN is also reduced.

The invention discloses a data transmission method and a system thereof. The method comprises the following steps that a network side sends pre-scheduling authorization information and conflict solution information to user equipment; and the network side receives data sent by the user equipment in a resource indicated by the pre-scheduling authorization information according to codebook configuration information carried in the conflict solution information. By using the data transmission method and the system thereof, a conflict problem of multiple user equipment, which is generated because of resource competition, in the prior art, is solved.

The invention discloses a data parallel interleaving method, terminal equipment and a computer storage medium. The method comprises the following steps: determining ROM1 for storing an RAM write address, ROM2 for storing an RAM read enable pattern and data parallel information corresponding to a processing unit through configuration information; in data writing, storing each bit of data in to-be-input data of which the maximum input parallelism degree is n into different RAMs in the same clock period; during storage, using the maximum output parallelism degree k as a basic storage unit and thus reading out each group of to-be-output data in sequence according to the head address of the ROM2 during reading; and finally, extracting effective data of OV bits from each group of to-be-output data according to the output parallelism degree OV required by the to-be-output data to finish data parallel interleaving. According to the method, different input parallelism degrees, output parallelism degrees and interleaved output parallelism degrees under various configurations can be compatible, the flexibility is improved, the data processing rate can be effectively increased, and the sendingdelay is reduced.

This invention discloses one beep message process method, which comprises the following steps: according message time gap, storing beep message by group; when determining achieved time gap of groups, covering all beep vacant messages in all groups for sending through time gap. This invention also provides one beep device, which sorts and sends group message according to time gap of message group.

The embodiment of the invention provides a queue scheduling method and a device. In a queue scheduling polling, according to the current to-be sent grouping of the current scheduling active queue, the current to-be sent grouping is sent when the length of the current to-be sent grouping of the active queue is no longer than the average length of the current to-be sent groupings of the current all active queues; the difference value between the current maximal allowable sending quantity of the active queue and the length of the sent grouping is used for updating the current maximal allowable sending quantity corresponding to the active queue, and scheduling processing of other to-be sent groupings is carried out; when the length of the current to-be sent grouping of the active queue is larger than the average length of the current to-be sent groupings of the current all active queues, scheduling processing of the current to-be sent groupings of the next active queue is carried out; when no active queue exists, each corresponding maximal allowable sending quantity of each queue is updated, and scheduling processing of next polling is carried out. The invention relates to the field of network communication.

The invention provides a GPSR (greedy perimeter stateless routing) protocol based route optimization method and device. The method comprises following steps: step S110, a same-direction adjacent node list of an initial node is determined with an adjacent node classification algorithm; step S120, nodes in the same-direction adjacent node list are divided into a greedy forwarding area and a peripheral forwarding area; step S130,when nodes in the same-direction adjacent node list exist in the greedy forwarding area, a node deviating from a target node for the minimum angle in the greedy forwarding area is determined with a greedy algorithm and serves as a next-hop node of the initial node; steps from S110 to S130 are repeated until the node is circulated to the target node. With the adoption of the method and the device, the route selection speed can be increased, transmission delay of node data grouping is reduced, and the success rate of data grouping transmission is guaranteed; besides, the probability of a route arriving the target node through rapid positioning can be increased, and meanwhile, the optimal path of the route can be determined.

The invention relates to a real-time high-efficiency and low-power-consumption wireless star networking method. Bands in networking are divided into a public band and a node band. The public band is used for a salve to transmit node data to a host. The node band is used for a node to transmit a communication request and passively receive the data of the host. A process that the node initiates communication to the host comprises two steps that (1), the node transmits a data request; and (2), the node data is transmitted. The method has the beneficial effects that (1), the node data transmitting delay is reduced; (2), the time of transmitting the data by the node can be predicted; and (3), the node power consumption is reduced, in general, the power consumption in the transmitting process of the node is far higher than that in a static state, the delay in the transmitting process is shortened, so the transmitting power consumption can be effectively reduced, and the transmitting power consumption of the node of the method is smaller than that in a general mode.

The invention discloses a method for sending broadcast messages in instant communication tools, which comprises the following steps: receiving a broadcast message task sending request sent by a service message server, wherein the request carries the sending area, the sending content and the sending starting time of the broadcast message; searching at least one task area corresponding to the sending area of the broadcast message; and sending the sending content and the sending starting time of the broadcast message to an area task server corresponding to the task area. Correspondingly, the embodiment of the invention provides a system for sending the broadcast messages in the instant communication tools, which comprises the service message server, a task unified control server and the area task server. The proposal provided by the embodiment sends the broadcast messages to all client users of the instant communication tools in time, reduces the sending delay of the broadcast messages, accurately controls the sending of the broadcast messages on time and area, and improves using experiences of the users.

The invention discloses a target port determination method, which comprises the following steps of: when a target request is obtained, determining target state data from state data respectively corresponding to a plurality of port sections; determining a target port section corresponding to the target state data by utilizing a preset corresponding relationship; traversing the target state data, and when idle information is detected, determining a port corresponding to the idle information in the target port segment as a target port; according to the method, traversal detection does not need tobe carried out on all ports; whether the idle port exists in the corresponding port segment or not is judged by utilizing the state data, and the target port is determined when the idle port exists in the port segment, so that the time required for determining the target port is reduced, the time required for the whole NAPT conversion is further reduced, and the information sending time delay isreduced; in addition, the invention also provides a target port determination device, target port determination equipment and a computer readable storage medium, which also have the above beneficial effects.

The invention discloses a multi-site block acknowledgement method for an IEEE802.11ax network. The concrete steps include that a local area network access point triggers all sites for uplink single user transmission; the access point sets the number of sites receiving frame acknowledgement after all sites send data; the access point sends multi-site block acknowledgement reply to the sites receiving frame acknowledgement and then re-sets the number of the sites receiving frame acknowledgement and sends multi-site block acknowledgement reply until all the sites receives the multi-site block acknowledgement. According to the invention, the whole time delay caused by multi-site data and block acknowledgement transmission is reduced, and multi-site collective sending time delay and the sum of single sending time delay of the single sites are also balanced. Fairness is ensured.

The embodiment of the invention provides a scheduling request SR sending method and device. The method is applied to a media access control layer (MAC) entity at a terminal side, and comprises the following steps: when detecting that the MAC entity meets a preset pending SR sending condition, receiving a channel interception (LBT) success indication sent by a physical layer at the terminal side; and adding one to an SR counter, and sending the channel access priority parameter of the pending SR to the physical layer, so that the physical layer determines an LBT parameter according to the channel access priority parameter and executes LBT, and the physical layer sends the pending SR. The embodiments of the present invention solve the problem of how to send an SR in an unlicensed spectrum inthe prior art.

The invention relates to the technical field of computer application, in particular to a WiFi-ZigBee network-oriented cooperative transmission method, establishes a coexistence network cooperative transmission model, provides a dynamic convergence blank gap technology, and improves the communication efficiency by reasonably scheduling blank gaps generated in a WiFi network communication process, the data transmission of the ZigBee network in the heterogeneous network coexistence environment is ensured; a non-feedback network layer data coding technology is used, a WiFi AP is selected as a coordinator of a heterogeneous network, the number of data packets needing to be sent to the network is determined according to WiFi network communication flow in a period, data coding is carried out on the data, and when the number of the sent data packets reaches a threshold value, successful decoding feedback of a receiver does not need to be received, and the generation and the transmission of the data packet are stopped. According to the invention, ZigBee communication in a heterogeneous network can be protected from WiFi interference, the transmission delay of a data packet is reduced, the data packet receiving rate of the ZigBee network is increased, the asymmetry of a WiFi-ZigBee communication link is improved, and the transmission reliability is improved.

The embodiment of the invention discloses a spliced matrix display method and system. The method comprises the following steps: if a splicing matrix is composed of N * M display screens, the image processing equipment performing row or column cutting on the to-be-displayed image to obtain N row output images or M column output images, setting a refreshing time sequence of an output channel of eachrow output image or column output image, and controlling the output channel to output the row output images or column output images according to the set refreshing time sequence; the picture divideracquiring a row output picture or a column output picture, performing M times of column cutting on the row output picture to obtain M output sub-pictures or performs N times of row cutting on the column output picture to obtain N output sub-pictures, and sending the obtained output sub-pictures to a target display screen corresponding to the output sub-pictures; and the target display screen displaying the output sub-picture. By implementing the embodiment of the invention, the real-time performance of spliced display can be improved.

Provided are an information sending method, a random access method, a terminal device and a network side device. The random access method comprises: simultaneously performing clear channel assessment(CCA) on M first-listen then-talk (LBT) channels, where M is greater than 1; and sending the lead code information Msg1 on one idle LBT channel in the M LBT channels. Because CCA is carried out on theM LBT channels at the same time, the opportunity of grabbing idle LBT channels on an unauthorized frequency band is increased, the waiting time of the UE is reduced, and the random access time is reduced.

The invention discloses a method and a device for sending and receiving codebook information, which are used for reducing downlink transmission time delay. The method for sending codebook informationcomprises the following steps: receiving at least one physical downlink data channel in a candidate receiving opportunity in the first time unit set, wherein the first time unit set comprises M candidate receiving opportunities, the M candidate receiving opportunities are divided into a first candidate receiving opportunity subset and a second candidate receiving opportunity subset according to codebook identification information, the first codebook identification information included in the codebook identification information corresponds to the first candidate receiving opportunity subset, and the second codebook identification information corresponds to the second candidate receiving opportunity subset; generating a feedback information codebook according to the receiving state of at least one physical downlink data channel, the feedback information codebook comprising a first codebook and a second codebook, the first codebook corresponding to the first candidate receiving opportunity subset, and the second codebook corresponding to the second candidate receiving opportunity subset; and sending the first codebook and/or the second codebook in the second time unit.