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46results about How to "Guarantee the quality of data transmission" patented technology
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Data transmission method and device, equipment and storage medium
ActiveCN110099403AImprove stabilityConsumes less powerConnection managementTransmissionApplication serverAir interface
The embodiment of the invention discloses a data transmission method and device, equipment and a storage medium. The method comprises: acquring an application data packet to be transmitted in a targetapplication; transmitting the application data packet to first routing equipment through a first network data channel, and transmitting the application data packet to a proxy server by the first routing equipment; meanwhile, transmitting the application data packet to second routing equipment through a second network data channel, and transmitting the application data packet to a proxy server through the second routing equipment, wherein the second network data channel is a short-distance wireless data channel, and the first network data channel is different from the second network data channel; finally, transmitting the application data packet to the application server based on the deduplication mechanism through the proxy server. According to the method, short-distance wireless data isused as an auxiliary channel for data transmission, so that the stability of data transmission between the terminal equipment and the application server is improved, and the air interface packet lossrate and the data delay are effectively reduced.
Owner:TENCENT TECH (SHENZHEN) CO LTD
Method and device in user equipment and base station used for wireless communication
ActiveCN110719156AImprove reception qualityGuarantee the quality of data transmissionPilot signal allocationWireless communicationResource blockUser equipment
The invention discloses a method and a device in user equipment and a base station used for wireless communication. The user equipment sends a first wireless signal, wherein the first wireless signalindicates a first reference signal from M reference signals; a first signaling is monitored in each of the W time-frequency resource blocks, respectively, wherein at least one reference signal in theM reference signals is sent by a first serving cell, and the first serving cell is not added by the user equipment; the user equipment assumes that a sending antenna port of the first signaling and asending antenna port of the first reference signal are quasi-co-located; wherein W is a positive integer, and M is a positive integer greater than 1. According to the method, time delay and service interruption caused by switching between cells are avoided.
Owner:SHANGHAI LANGBO COMM TECH CO LTD
Wireless automatic meter reading method and system
InactiveCN101739801ALow costReduce workloadTransmission systemsWireless mesh networkGeographic regions
The invention relates to the field of data transmission, in particular to a wireless automatic meter reading system which comprises a sensor, a data collector and a management center, wherein the sensor is used for obtaining data of a meter and transmitting the obtained data through a wireless Mesh network; the data collector is used for receiving the data transmitted by the sensor and transmitting the received data; and the management center comprises a first control unit, and the first control unit is used for receiving the data transmitted by the data collector and recording the data. The invention further provides a wireless automatic meter reading method. The wireless Mesh network in a ZigBee wireless network is utilized for carrying out communication in a domestic specific free frequency band, thereby saving the cost of the network. The wireless automatic meter reading method does not need to lay lines in advance, thereby having small workload and realizing portability. Furthermore, a topological structure of the wireless Mesh network can be built independently, thereby being applicable to information collection of a variety of small-range geographic regions and having a wide range of applications. The data transmission path is short, thereby ensuring the data transmission quality.
Owner:BEIJING UNION UNIVERSITY
Communication method of wireless mesh network and movable access point
ActiveCN101657031AAvoid probing and negotiating timeGuarantee the quality of data transmissionNetwork topologiesSignal qualityComputer network
The invention provides a communication method of a wireless mesh network (MESH) and a movable access point (MP). When the signal quality of a fixed MP received by the movable MP is larger than or equal to the preset saturation signal quality, a MESH link between the movable MP and the fixed MP is entered into the saturated status, and the connection status of the MESH interlinkage is remained without being removed, so that the MESH interlinkage can enter into the unsaturated status after the saturation interval and can be fast switched to be a main link under the situation that a switching condition is met, thereby preventing from the detecting and negotiating time consumed by rebuilding the MESH interlinkage of the fixed MP and guaranteeing the data transferring quality. Furthermore, a main interlinkage is always selected in the MESH interlinkage under the unsaturated status, namely, the MESH interlinkage of the saturated status has to be switched into the standby interlinkage to be further switched into the main interlinkage, thereby effectively preventing the main interlinkage from being frequently switched.
Owner:NEW H3C TECH CO LTD
Video file scheduling distribution or request method and system
The invention provides a video file scheduling distribution method and system. The method comprises: determining a video file ID according to a video file access request of a request terminal; selecting a plurality of service nodes storing a video file based on the video file ID; obtaining current available bandwidth information of selected service nodes; and feeding the address information of selected service nodes and the current available bandwidth information of selected service nodes back to the request terminal to be used for providing video file segmented transmission service for the request terminal through the plurality of service nodes. The invention also provides a video file request method and system. According to the invention, the request terminal is in connection with each of the plurality of service nodes to successively obtain segmented data in a video file, thereby reducing hardware setting configuration capital investment, reducing server loads and bandwidth data, and maintaining stable data transmission and data transmission quality.
Owner:LETV HLDG BEIJING CO LTD +1
Electronic tag reading and writing system and method based on multiple connection modes
InactiveCN103903029AReduce volumeReduce power consumptionCo-operative working arrangementsMicrocontrollerComputer architecture
The invention provides an electronic tag reading and writing system based on a multiple connection modes. The electronic tag reading and writing system comprises a reading and writing terminal, a remote server and a mobile terminal. The reading and writing terminal is composed of a WIFI communication module, a Bluetooth module, a USB interface module, an electronic tag reader-writer, a microcontroller and a data storage module, the reading and writing terminal is in communication with a control center through the WIFI communication module or the Bluetooth module or the USB connecting module and is in communication with the mobile terminal through the WIFI communication module or the Bluetooth module or the USB interface module. The invention further provides a reading and writing method based on the system, the reading and writing functions of an electronic tag and the anti-crosstalk function among a plurality of non-contact type electronic tags within the reading and writing range are achieved. The system and method overcome the distance limitation on different management objects in the Internet of Things, meanwhile, a display screen and a keyboard at the reading and writing terminal are omitted, data can be input and displayed through the keyboard and screen resources of the mobile terminal, and therefore the system cost can be greatly reduced.
Owner:CHINA UNIV OF GEOSCIENCES (WUHAN)
Message forwarding method and device
ActiveCN105991793AGuarantee patency and reliabilityGuarantee the quality of data transmissionData switching networksData transmissionClient-side
The present invention provides a message forwarding method and a message forwarding device which are applied to network equipment. The method includes the following steps that: after a client device sends a DNS request message to a DNS server, a DNS response message sent to the client device by the DNS server is received; an analyzed domain name is analyzed out from the DNS response message, whether the analyzed domain name is matched with preset domain name characteristics is judged; if the analyzed domain name is matched with the preset domain name characteristics, an A record address corresponding to the analyzed domain name is analyzed out from the DNS response message; the corresponding relation of the next-hop address of a link pre-configured for the analyzed domain name and the A record address is updated to a routing table; and when a service message sent by the client device is received, the routing table is queried, so that the service message can be forwarded. With the message forwarding method and the message forwarding device provided by the embodiments of the invention adopted, a pre-configured link is adopted to carry specific domain name access, so that the smoothness and reliability of domain name access of specific network services can be ensured under a situation that bandwidth is in shortage and services are increased sharply, and thus, the data transmission quality of the network services can be guaranteed, and user experience can be improved.
Owner:HANGZHOU DPTECH TECH
A network load balancing method in multipoint communication
InactiveCN1604574ATake advantage ofReduce application impactCorrect operation testingData switching networksNetwork packetClient-side
This invention discloses a network load balance method in multi-point communication, which comprises the following steps: before the user sends data to server, he uses sum unsigned integral variable as data pack to mark the source sequence code; the server receives the user data pack and makes statistic of the source sequence code to get the user error sequence ratio and loss ratio and sends the result to the user for adjusting his data pack sending intensity; the server repack the data and marks the transfer sequence code and send to the other users and the users in the same way gets the data pack error sequence ratio and loss ratio to adjust their data pack sending intensity.
Owner:VIMICRO CORP
Private network cloud command and control system for unmanned system
ActiveCN113067872ASmart and reliable cloud servicesClear division of tasksTransmissionPrivate networkEngineering
The invention relates to the technical field related to command and control, in particular to a private network cloud command and control system for an unmanned system. The system comprises a cloud command and control center, a command and control edge subnet and a plurality of task nodes, and communication is realized through a private network broadband wireless communication network among the cloud command and control center, the command and control edge subnet and the task nodes. The system has the beneficial effects that by adopting the technical scheme, the system adopts a universalized, efficient, safe and stable command and control architecture, depends on abundant resources of a large-scale cloud server, quickly establishes a private network communication network channel through a TD-LTE private network base station and corollary equipment, a multimedia gateway comprehensive management technology is combined, the data transmission quality of each terminal is guaranteed, the information transmission time delay is reduced, bandwidth resources are utilized to the maximum extent, hierarchical one-to-one mapping is carried out on the system, calculation sharing, resource sharing and data sharing are achieved, and fusion generation of global situation information and efficient transmission of command information are achieved.
Owner:AEROSPACE TIMES FEIHONG TECH CO LTD +1
Earphone control method and device, Bluetooth earphone and storage medium
PendingCN113038316AReduce the probability of packet lossGuarantee the quality of data transmissionEarpiece/earphone mechanical/electrical switchesTransducer circuitsHeadphonesPacket loss rate
The invention discloses an earphone control method and device, a Bluetooth earphone and a storage medium, the earphone control method is applied to a first Bluetooth earphone, and when the first Bluetooth earphone is used as a master earphone to establish a first Bluetooth link with electronic equipment, a second Bluetooth earphone is used as a slave earphone to establish a second Bluetooth link with the first Bluetooth earphone. A monitoring link used for monitoring audio data transmission between the electronic equipment and the first Bluetooth earphone is established between the second Bluetooth earphone and the electronic equipment. The earphone control method comprises the following steps: acquiring a first packet loss parameter on the first Bluetooth link and a second packet loss parameter on the monitoring link; determining that the first packet loss parameter and the second packet loss parameter meet a preset packet loss condition; and sending switching indication information to the second Bluetooth earphone through the second Bluetooth link, wherein the switching indication information is used for indicating the second Bluetooth earphone to serve as the main earphone to establish the Bluetooth link with the electronic equipment. According to the method, switching between the master earphone and the slave earphone can be realized according to the packet loss parameter of the Bluetooth earphone, and the packet loss rate of data transmission between the Bluetooth earphone and the electronic equipment is reduced.
Owner:GUANGDONG OPPO MOBILE TELECOMM CORP LTD
Data transmission method and device based on mobile network and storage medium
ActiveCN111404623AGuarantee the quality of data transmissionAchieving load fault toleranceError detection/prevention using signal quality detectorAssess restrictionData transmissionMobile Web
The invention relates to a data transmission method and device based on a mobile network and a storage medium. The method is applied to a terminal, the terminal is configured with a main card link andan auxiliary card link based on dual-card dual-standby DSDS / dual-card dual-pass DSDA, and the method comprises the following steps: when the main card link is applied to perform data transmission ofa mobile network, performing transmission quality evaluation on the main card link to obtain a first transmission quality evaluation value; and in response to the fact that the first transmission quality evaluation value is lower than a transmission quality evaluation threshold, compensating mobile network data transmission performed by the main card link through the auxiliary card link. Accordingto the invention, dual-link load fault tolerance is realized, and the data transmission quality of the mobile network is ensured.
Owner:BEIJING XIAOMI MOBILE SOFTWARE CO LTD
Data transmission method and device, medium, electronic equipment and network access equipment
ActiveCN112398754AGuarantee the quality of data transmissionNetwork traffic/resource managementData switching networksData packData transmission
The embodiment of the invention discloses a data transmission method and device, a medium, electronic equipment and network access equipment, and the method comprises the steps: obtaining a to-be-transmitted data packet through the electronic equipment, adding a priority transmission identification to the to-be-transmitted data packet when the to-be-transmitted data packet is a data packet of a preset application, and obtaining a target data packet, wherein the preferential sending identifier comprises a random value obtained by pre-negotiation between the electronic device and the network access device, and finally transmitting the target data packet to the network access device, so that the network access device preferentially sends the target data packet according to the preferential sending identifier. Therefore, the electronic equipment negotiates with the network access equipment in advance with the random value as the preferential sending identifier, and the preferential sendingidentifier is added to the data packet of the preset application by the electronic equipment, so that the network access equipment can preferentially send the data packet added with the preferentialsending identifier according to the indication of the preferential sending identifier; and therefore, the purpose of guaranteeing the data transmission quality of the specific application is achieved.
Owner:GUANGDONG OPPO MOBILE TELECOMM CORP LTD
Path planning method, device and system
InactiveCN109889444AImprove data transmission qualityGuarantee the quality of data transmissionData switching networksData transmissionPlanning method
The invention discloses a path planning method, device and system, and belongs to the technical field of communication. The method comprises: a control management device receiving a first message sentby a first network device, the first message carries first indication information, and the first indication information is used for indicating first link state information of a first link between thefirst network device and a second network device; the control management device determines that the first link satisfies a link invalid condition according to the first indication information; and the control management device determines a first path, wherein the first path does not pass through the first link. According to the invention, the data transmission quality of the path can be improved.
Owner:HUAWEI TECH CO LTD
Access equipment outdoor unit cabinet
InactiveCN101504183AGuaranteed to workDoes not affect temperatureHeating and ventilation casings/coversAir-flow control membersData transmissionRefrigeration
The invention provides an outdoor cabinet of access equipment, which comprises a first subcabinet for accommodating the access equipment and a second subcabinet provided with an outdoor air conditioner. An air inlet hole area and an air outlet hole area are arranged on a cabinet door of the second subcabinet corresponding to an air inlet and an air outlet of the outdoor air conditioner; and a sealing strip which is used for being buckled on the periphery of the air outlet of the outdoor air conditioner in a sealing mode when the cabinet is closed is arranged on the periphery of the air outlet inside the cabinet door. In the outdoor cabinet of the access equipment, the sealing strip is arranged on the periphery of the air outlet hole area inside the cabinet door, so after the cabinet door is closed and when the equipment normally works, a gas exhaust special channel is formed between the air outlet of the outdoor air conditioner and the air outlet hole area of the cabinet door by the sealing strip; and hot air exhausted by the outdoor air conditioner is directly exhausted to the outside by the special channel, thereby improving the refrigeration efficiency of the outdoor air conditioner to the access equipment, and ensuring the normal work of the access equipment in an outside severe environment and data transmission quality.
Owner:CHINA UNITED NETWORK COMM GRP CO LTD
Data synchronization method and system
ActiveCN113535856AGuaranteed order and uniquenessGuarantee the quality of data transmissionDatabase management systemsInterprogram communicationData transmissionLevel data
The invention discloses a data synchronization method. The method comprises the following steps: collecting total data and incremental data from a data source; allocating an ordered and unique number to each piece of collected data; performing global ordered arrangement and duplicate removal processing on the data according to the numbers; and writing the processed data into a data lake table in sequence. The invention further discloses a data synchronization system, an electronic device and a computer readable storage medium. Therefore, the full-amount data and the incremental data can be integrally communicated, minute-level data synchronization and one-key incremental warehousing are realized, the orderliness and uniqueness of the full-amount data and the incremental data are ensured, and the data transmission quality is ensured.
Owner:SHANGHAI BILIBILI TECH CO LTD
Method and device for adjusting spreading factor in wide area Internet of Things
ActiveCN109361422AReduce latencyExtend your lifeTransmissionWide areaSignal-to-noise ratio (imaging)
The invention discloses a method and device for adjusting a spreading factor in a wide area Internet of Things, and relates to the technical field of Internet of Things communications for dynamicallyadjusting the spreading factor according to the current network environment, thereby reducing service delay and increasing service life of terminal batteries. The method comprises the following steps:setting the value of the spreading factor to a first preset initial value before transmitting the service; before transmitting the ith service, acquiring a signal-to-noise ratio SNR of the i-1th service and a SNR of the i-2th service reported by the terminal, and the current value of the spreading factor; determining the value of the spreading factor in the ith service according to the differencebetween the SNR of the i-1th service and the SNR of the i-2th service, and the current value of the spreading factor, wherein the value of i is an integer greater than or equal to 2; and sending thevalue of the spreading factor in the ith service to the terminal and the gateway to enable the terminal and the gateway to adjust the current value of the spreading factor to the value of the spreading factor in the ith service.
Owner:CHINA UNITED NETWORK COMM GRP CO LTD
Data transmission attitude planning method for adaptively avoiding sun
ActiveCN113386979AEnsure stabilityGuarantee the quality of data transmissionCosmonautic vehiclesSpacecraft guiding apparatusData transmissionEngineering
The invention relates to a data transmission attitude planning method for adaptively avoiding the sun. The invention relates to the technical field of aerospace. The method comprises the steps: determining a sun vector under a WGS84 system according to a sun vector under a J2000 system and a conversion matrix between the J2000 system and the WGS84 system in a staring data transmission process of an optical remote sensing satellite to a ground station; determining an included angle between the sun vector and the flight direction of the optical remote sensing satellite according to the sun vector under the WGS84 system; and according to the angle of the incident sunlight, adaptively adjusting the staring data transmission attitude, and planning the data transmission attitude. According to the incident direction and the incident angle of the sunlight, the data transmission attitude of the satellite is adjusted in real time by using the electric scanning function of a phased-array antenna, so that the included angle between the camera and the sunlight during data transmission is kept more than 60 degrees, the stability of the camera is maintained, and meanwhile, the central beam of the phased-array antenna is used as far as possible to ensure the data transmission quality.
Owner:CHANGGUANG SATELLITE TECH CO LTD
A data transmission method, device, equipment and storage medium
ActiveCN110099403BImprove stabilityConsumes less powerConnection managementTransmissionData packApplication server
Owner:TENCENT TECH (SHENZHEN) CO LTD
Process for wiring between cabinets of data center
PendingCN114679878AEasy maintenanceEasy to manageServersCasings/cabinets/drawers detailsDistribution frameData center
The invention discloses a process for wiring between cabinets of a data center. The process comprises the following steps: S1, preparing materials; s2, positioning the distribution frame; s3, cable carding; s4, testing the cable; and S5, jumper wire jumper connection is carried out. According to the wiring process, a one-time forming comprehensive wiring mode is adopted, a flexible interface mode is provided for communication interconnection of equipment in a cabinet in the later period, on the premise that the data transmission quality is guaranteed, the complex system construction process becomes neat and uniform, maintenance and management of equipment cables in the later period are facilitated, and the cost is reduced. The method is beneficial to long-term stable operation and troubleshooting of the system, so that machine room equipment communication and cable connection become evidences, operation is convenient, and subsequent cable management is simple and easy to implement.
Owner:韩嘉骝
A radio transmission power control method and device
ActiveCN110351819BAchieving Adaptive ControlGuarantee the quality of data transmissionPower managementInterference ratioWireless access point
Owner:重庆紫光华山智安科技有限公司
Method and system for load balancing control in wireless ad hoc network system
ActiveCN111726832BImprove utilization efficiencyReduce wasteNetwork traffic/resource managementNetwork topologiesCommunication qualityWireless ad hoc network
The invention discloses a method and system for load balancing control in a wireless ad hoc network system. The method includes: setting the management frequency point as the second receiving frequency point when the opening duration of the management frequency point is longer than the set threshold; setting the second device Register under the first receiving frequency point and the second receiving frequency point of the first device; obtain the first number and the second number of the second device mounted under the two service frequency points, and when the first preset condition is met Switch the service frequency points connected by the first set number of second devices; obtain the third number and the fourth number of the second devices mounted under the two service frequency points whose communication quality is less than the second set threshold, and meet the The second preset condition is to switch service frequencies connected by a second set number of second devices. The present invention can monitor and dynamically adjust the load quantity under two service frequency points in real time to ensure the quality of data transmission; the management frequency point of the LoRa base station that multiplexes the outdoor unit is the service frequency point, which reduces the waste of frequency point resources.
Owner:NINGBO FOTILE KITCHEN WARE CO LTD
New method and device for main station and substation channel selection of dispatching automation system
PendingCN113938375AGuarantee the quality of data transmissionGuarantee data qualityCircuit arrangementsTransmissionStationData transmission
The invention discloses a new method and device for main station and substation channel selection of a dispatching automation system, and belongs to the technical field of dispatching automation. The method is characterized by comprising the following steps: obtaining evaluation values of n main station and substation data transmission channels on m data evaluation indexes; carrying out standardization processing on the evaluation index matrix, and further determining an evaluation index weight; determining the quality of the data transmission channel of each main station and each substation; and selecting the main station and substation data transmission channel with the optimal channel quality as the finally selected main station and substation data transmission channel. According to the invention, the channel quality can be accurately and comprehensively evaluated, the channel with high data quality is preferentially adopted, the data quality between the main station and the substation is guaranteed, and the situation that normal operation of the system is threatened by decisions made according to bad data is avoided.
Owner:STATE GRID SHANDONG ELECTRIC POWER COMPANY RIZHAOPOWER SUPPLY +1
Ethernet switching device, data processing device and vehicle
PendingCN114500408ASimple structureReduce volumeTransmissionSelection arrangementsPHYData translation
The invention discloses an Ethernet switching device, a data processing device and a vehicle, and the device comprises an MAC unit which is used for connecting a data processing unit with a switch; the MAC unit comprises a sending data conversion module, an interface module, a correction module and a receiving data conversion module; the sending data conversion module is used for obtaining a sending data signal according to the data to be sent; the interface module is used for sending the sending data signal to a switch and receiving a data signal sent by the switch to obtain a receiving data signal; the correction module is used for correcting the received data signal; and the received data conversion module is used for obtaining received data according to the corrected received data signal. According to the Ethernet switching device provided by the invention, a PHY (Physical Layer) is omitted, and the MAC unit is directly connected with the switch, so that data transmission from the MAC unit to the MAC unit is realized, data conversion processing in a data transmission process is reduced, and the data transmission efficiency can be improved.
Owner:CHINA AUTOMOTIVE INNOVATION CORP
Scheduling resource configuration method, device, user equipment, and base station
InactiveCN108370579BGuarantee the quality of data transmissionImplement dynamic configurationWireless communicationData packEngineering
The present application discloses a scheduling resource configuration method, device, user equipment, and base station, which can obtain relevant data of services currently executed by the user terminal from the core network or the user terminal, including data packet size, packet interval, history data, etc., and then generate and configure scheduling configuration information such as SPS according to these data, and both the base station and the user terminal execute the service currently executed by the user equipment based on the generated scheduling configuration information. And the base station or user equipment can also select from multiple scheduling configuration information according to needs. Realize the dynamic configuration of scheduling resources such as SPS, while effectively saving resources such as PDCCH used for scheduling instructions in the system, at the same time, for some services that have changes in packet size and cycle, it can also maximize the guarantee of such services. Data transmission quality.
Owner:HUAWEI TECH CO LTD
Cross-layer ARQ (Automatic Repeat Request) method in LTE-WLAN (Long Term Evolution and Wireless Local Area Network) heterogeneous wireless network system
InactiveCN103001751BReduce loss rateAvoid out-of-order arrival problemsError prevention/detection by using return channelNetwork traffic/resource managementPacket lossClosed loop feedback
The invention relates to a cross-layer ARQ (Automatic Repeat Request) method in an LTE-WLAN (Long Term Evolution and Wireless Local Area Network) heterogeneous wireless network system. The cross-layer ARQ method comprises the steps of: respectively adding a virtual network interface card between a terminal of the LTE-WLAN heterogeneous wireless network system and a DLL (Data Link Layer) as well as a network layer of a gateway to virtualize a fixed IP (Internet Protocol) for an application layer at the upper side and shield influences from different physical links of a bottom layer at the lower side; and realizing an ARQ protocol on an IP layer by utilizing a closed loop feedback system. The cross-layer ARQ protocol provided by the invention solves the problems of data packet loss or disordered arrival caused by switching of the terminal in an LTE-WLAN heterogeneous wireless network environment efficiently, prevents the TCP link from entering into a congestion control state and performing a rapid recovery or slow start process to affect the link transmission performance seriously due to the loss or disorder of the data packet. The cross-layer ARQ method in the LTE-WLAN heterogeneous wireless network system, disclosed by the invention, has the advantages of well guaranteeing quality of data transmission between the terminal of the heterogeneous network system and the gateway, providing the transmission layer with reliable services and enabling a terminal user to obtain high-speed and smooth communication experience in the heterogeneous wireless network environment.
Owner:HUAZHONG UNIV OF SCI & TECH
Data transmission quality control system and method
ActiveCN106454888BImprove experienceGuarantee the quality of data transmissionWireless communicationData streamControl system
The invention provides a data transmission quality management and control system and method. The system operates in a wireless access node. The wireless access node is connected with a transmitting end and a receiving end through a wireless network. The system detects the load type of currently transmitted data flow and current transmission parameters and judges whether the current transmission parameters are greater than or equal to standard transmission parameters. When the current transmission parameters are greater than or equal to the standard transmission parameters, the wireless access node continuously receives the data flow transmitted by the transmitting end or transmits the data flow to the receiving end. When the current transmission parameters are less than the standard transmission parameters of the receiving end, a message indicating failure of data flow transmission and a message indicating improving the transmission quality are transmitted to the receiving end.
Owner:AMBIT MICROSYSTEMS (SHANGHAI) LTD
Method for eliminating cell interference, network equipment and storage medium
PendingCN114071477AGuarantee air interface quality assuranceRealize air interface quality assuranceNetwork traffic/resource managementAssess restrictionReal-time computingCore network
Disclosed are a method for eliminating cell interference, a network equipment and a storage medium. The method of a first core network equipment comprises the steps of receiving first information reported by a first base station; the first information comprises a neighbor cell measurement result of a terminal accessed to the first base station, uplink background noise of the first base station and a frequency range needing to be guaranteed; determining at least one neighbor cell from neighbor cells contained in the neighbor cell measurement result based on the uplink bottom noise and the neighbor cell measurement result; issuing the frequency range to at least one second base station to which the at least one neighbor cell belongs; wherein the issued frequency range is used for each second base station in the at least one second base station to perform access restriction in the frequency range.
Owner:CHINA MOBILE COMM LTD RES INST +1
Method and device for adjusting spreading factor in wide area internet of things
ActiveCN109361422BReduce latencyExtend your lifeTransmissionWide areaSignal-to-noise ratio (imaging)
The invention discloses a method and device for adjusting a spreading factor in a wide area Internet of Things, and relates to the technical field of Internet of Things communications for dynamicallyadjusting the spreading factor according to the current network environment, thereby reducing service delay and increasing service life of terminal batteries. The method comprises the following steps:setting the value of the spreading factor to a first preset initial value before transmitting the service; before transmitting the ith service, acquiring a signal-to-noise ratio SNR of the i-1th service and a SNR of the i-2th service reported by the terminal, and the current value of the spreading factor; determining the value of the spreading factor in the ith service according to the differencebetween the SNR of the i-1th service and the SNR of the i-2th service, and the current value of the spreading factor, wherein the value of i is an integer greater than or equal to 2; and sending thevalue of the spreading factor in the ith service to the terminal and the gateway to enable the terminal and the gateway to adjust the current value of the spreading factor to the value of the spreading factor in the ith service.
Owner:CHINA UNITED NETWORK COMM GRP CO LTD
Cognitive Radio Interference Suppression Method Based on Genetic Algorithm
InactiveCN107196882BReduce interference energyGuarantee data transmission needsTransmitter/receiver shaping networksNetwork planningCognitive userMulti user interference
A Genetic Algorithm Based Cognitive Radio Interference Suppression Method. The main purpose is to solve the problem that the existing cognitive radio spectrum pool multi-user interference suppression method cannot guarantee the data transmission quality of cognitive users. It is characterized in that: the method first sets the cognitive user data transmission rate threshold, calculates the maskable carrier sequence length according to the threshold value, randomly selects a carrier set from the cognitive user subcarriers as the primary sequence, and then passes The fitness function selects a better intermediate carrier sequence, and then uses cross mutation to generate a new carrier sequence, and continuously adjusts the fitness function to generate a new intermediate carrier sequence until the fitness reaches the set threshold, and the iterative process of the genetic algorithm converges. The optimal interference subcarrier sequence is obtained, the optimal interference subcarrier sequence is shielded, and cognitive radio interference suppression is realized.
Owner:NORTHEAST GASOLINEEUM UNIV
Method and device for message forwarding
ActiveCN105991793BGuaranteed patencyGuaranteed reliabilityData switching networksDomain nameRouting table
The present invention provides a method and device for message forwarding, which are applied to network devices. The method includes: after the client device sends a DNS request message to the DNS server, receiving the DNS response message sent by the DNS server to the client device. text; after the resolved domain name is resolved from the DNS response message, it is judged whether the resolved domain name matches the preset domain name characteristics; if it matches, the A record address corresponding to the resolved domain name is resolved from the DNS response message; The corresponding relationship between the next-hop address of the link pre-configured for the resolved domain name and the A record address is updated to the routing table; when receiving the service message sent by the client device, query the routing table for forwarding. By applying the embodiment of the present invention, a specific domain name access can be carried by a pre-configured link, thereby ensuring the smoothness and reliability of the domain name access of a specific network service in the case of tight bandwidth and a surge in business, thereby ensuring the quality of its data transmission , improve user experience.
Owner:HANGZHOU DPTECH TECH
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