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32results about How to "Improve wireless communication quality" patented technology
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WLAN air interface quality monitoring method and device
ActiveCN103581984AAccurate estimateReasonable choiceTransmission monitoringWireless communicationCommunication qualityAir interface
An embodiment of the invention discloses a WLAN air interface quality monitoring method and a device. The WLAN air interface quality monitoring method comprises the steps of obtaining background noise of a current working channel of an AP, the communication quality of the AP, the interference signal strength of other AP to the AP and the interference service amount of other AP communicated with a WLAN terminal to the AP; respectively allocating different weights for obtained parameters and uniformly converting the weights into dimensionless interference levels; adding data of converted interference levels together to obtain the interference level of the current working channel of the AP, and confirming whether the current working channel of the AP is required to be switched or not according to the interference level of the current working channel of the AP. By adopting the WLAN air interface quality monitoring method and the device, the interference magnitude in a WLAN system air interface environment can be accurately and comprehensively, and a WLAN system can conveniently and reasonably select the working channel.
Owner:CHINA TELECOM CORP LTD
Data transmission method and terminal
ActiveCN109005527AIncrease flexibilityImprove communication qualityNetwork traffic/resource managementTransmission path divisionQuality of serviceCommunications system
Embodiments of the present application provide a data transmission method and a corresponding apparatus. In this method, A D2D terminal or a D2D terminal transmit packets sent to a device carry the same quality of service stream QoS flow that provides the same service in a wireless communication system, so that packets sent to D2D terminals with the same QoS requirements or packets sent by D2D terminals with the same QoS requirements can obtain the same QoS, thereby improving the quality of wireless communication.
Owner:HUAWEI TECH CO LTD
Radio communication system, radio communication device, and radio communication method
InactiveUS20060154678A1Convenient wireless communicationEasy to makeSpatial transmit diversityRadio/inductive link selection arrangementsCommunications systemCommunication device
A wireless communication system shown in FIG. 4 relates to a system for performing wireless communication processing between a stationary base station (101) with wireless communication function and display apparatuses (401, 402) with wireless communication function. The base station (101) has a plurality of antennas (501 and 502) each having a directional pattern in a predetermined direction. The display apparatuses (401 and 402) are set as a plurality of the communication targets which are capable of making wireless communication with the base station (101). The base station (101) performs identification processing of the communication-targeted display apparatuses (401 and 402) or the like located within a communication area created by each of the directional patterns of the antennas (501 and 502); storage processing of a correspondence relationship between each of the communication-targeted display apparatuses (401 and 402) or the like and each of the antennas (501 and 502); and at the time of making wireless communication, performs selection processing of an antenna (501 or 502) which corresponds to the pertinent display apparatus (401 or 402) etc. based on the antenna selection information.
Owner:SONY CORP
Soft-switch method in CDMA system
InactiveCN1984451AReduce call drop rateImprove wireless communication qualityConnection managementRadio/inductive link selection arrangementsEngineeringSoft switch
In the invention, when UE accesses a cell covering high speed railway / highway, it directly initiates a soft switch process without delivering a measurement report in order to establish connection with other co-frequency cells so as to reduce the dropped call rate of UE in high speed movement.
Owner:HUAWEI TECH CO LTD
Wireless Communication Method for Updating Reference Channel Information and System Thereof
ActiveUS20100298000A1Improve wireless communication qualityReduce system resourceAssess restrictionTime-division multiplexCommunications systemComputer science
A wireless communication system capable of updating current reference channel information is provided. The wireless communication system includes a control apparatus and a plurality of reference information generating apparatuses. The wireless communication range of the control apparatus covers a plurality of regions. The reference information generating apparatuses, respectively placed in the regions, respectively report their reference position information and reference channel information to the control apparatus. When the control apparatus receives current position information from a target mobile communication apparatus, a current region among the regions is determined according to the current position information, and the control apparatus updates reference channel information according to the current region to the target mobile communication apparatus in real time.
Owner:COMM ADVANCES LLC
Adjust transmit power based on touch detection
ActiveUS20190149906A1Improve wireless communication qualityPower managementIntra aural earpiecesUltrasound attenuationTransmitted power
Attenuation of a wireless signal, particularly a short range wireless pairing signal, is accommodated immediately and automatically by a device in response to detection of presence of an object. When a user provides input to the device, such as by touching the device with a finger, presence of the finger may interfere with a signal emitted from the device. To accommodate for such interference, the device may immediately increase its transmission power upon detection of the finger, without waiting for link quality measurements.
Owner:GOOGLE LLC
Uplink power control method based on adjacent cluster interference
InactiveCN108243491AImprove wireless communication qualityReduce distractionsPower managementCommunication qualityCluster Node
The invention discloses an uplink power control method based on adjacent cluster interferences; the features are that the method comprises the following steps: 1, initializing a network system; 2, determining an accumulated maximum interference signal power received by a k th cluster head; 3, determining a minimum reception power requested by the k th cluster head; 4, determining the minimum reception power requested by the k th cluster head broadcasting to in-cluster nodes; 5, determining an emission power of the in-cluster node. The method can reduce interferences between adjacent clusters in an underwater wireless sensing network, thus improving the wireless communication quality of the whole network.
Owner:GUILIN UNIV OF AEROSPACE TECH
Adaptive Interference Avoidance Method
ActiveUS20080076463A1Relaxed transmitter powerImprove wireless communication qualityPower managementVolume/mass flow measurementPower limitsSelf adaptive
The method for operating a two-way communications service station having a maximum transmitter power adapted to avoid interference to broadcast station receivers is disclosed. The communications service station shares a frequency band with the broadcast service station transmitter. The method includes periodically tuning the communications service station to the frequency band being used by the broadcast service station and detecting the presence of signals above a predetermined power level on frequencies known to be used by the broadcast station. The method further includes raising the maximum transmitter power limit for the two-way communications service station to a higher power level if the power level of the detected signal is above the predetermined power level.
Owner:CISCO TECH INC
Adaptive interference avoidance method
ActiveUS8095164B2Improve wireless communication qualityIncrease power levelPower managementVolume/mass flow measurementPower limitsSelf adaptive
A method is provided for operating a two-way communications service station having a maximum transmitter power adapted to avoid interference to broadcast station receivers. The communications service station shares a frequency band with the broadcast service station transmitter. The method includes periodically tuning the communications service station to the frequency band being used by the broadcast service station and detecting the presence of signals above a predetermined power level on frequencies known to be used by the broadcast station. The method further includes raising the maximum transmitter power limit for the two-way communications service station to a higher power level if the power level of the detected signal is above the predetermined power level.
Owner:CISCO TECH INC
Wireless communication method for updating reference channel information and system thereof
ActiveUS8260305B2Reduce system resourceImprove wireless communication qualityAssess restrictionTime-division multiplexCommunications systemComputer science
A wireless communication system capable of updating current reference channel information is provided. The wireless communication system includes a control apparatus and a plurality of reference information generating apparatuses. The wireless communication range of the control apparatus covers a plurality of regions. The reference information generating apparatuses, respectively placed in the regions, respectively report their reference position information and reference channel information to the control apparatus. When the control apparatus receives current position information from a target mobile communication apparatus, a current region among the regions is determined according to the current position information, and the control apparatus updates reference channel information according to the current region to the target mobile communication apparatus in real time.
Owner:COMM ADVANCES LLC
Signal transmitting/receiving apparatus and method for controlling polarization
InactiveUS9270360B2Improve wireless communication qualityHigh trafficSpatial transmit diversityPolarisation/directional diversityControl vectorComputer science
Disclosed are signal transmitting apparatus and method capable of generating polarizations that can be controlled in real time by allocating weights to signals. A signal transmitting method for generating variable polarizations having any vector through a plurality of radiating elements vertical to each other includes: receiving an input signal and separating the input signal into a plurality of separated signals according to the number of radiating elements; and allocating weights for controlling vectors of the variable polarizations to each of the plurality of separated signals, wherein the vectors of the variable polarizations are represented by a vector sum of the plurality of separated signals allocated with weights.
Owner:ELECTRONICS & TELECOMM RES INST
Sensor having separate antenna
ActiveUS10347981B1Improve wireless communication qualityQuality improvementCasings/cabinets/drawers detailsPrinted circuit board receptaclesEngineeringElectrical and Electronics engineering
A sensor having a separate antenna includes a shell, a circuit board, a nameplate, an antenna, and a connecting unit. The shell includes a substrate and a tubular wall. The tubular wall is mounted on a first surface of the substrate to form a containing space. The circuit board is mounted in the containing space. The nameplate is mounted on a second surface of the substrate which is opposite the first surface. The antenna is mounted on the nameplate and is separate from the circuit board. The connecting unit is electrically connected between the antenna and the circuit board, and is mounted through the substrate. The antenna may be mounted outside of the containing space. When the sensor is mounted on a ceiling, the ceiling may not block wireless signals, and quality of wireless communication of the antenna may be improved.
Owner:IR TEC INT
Wireless communication module and air conditioner
ActiveCN109282437AImprove anti-interference abilityImprove wireless communication qualityMechanical apparatusSpace heating and ventilation safety systemsComputer moduleEngineering
The invention discloses a wireless communication module and an air conditioner. The wireless communication module comprises a main control chip and an outline interface, wherein the main control chipcomprises a return pin and a debugging serial port input pin, wherein the return pin is used for returning the main control chip; the debugging serial port input pin is used for reading and detectingthe running states of programs; the return pin is disconnected from an input pin of the outline interface; and the debugging serial port input pin is connected with a power supply, and used for inputting a high level. According to the wireless communication module and the air conditioner, the anti-interference capacity of the wireless communication module can be improved, the stability of the programs in the wireless communication module is ensured, and the occurrence of the case of network disconnection is avoided as far as possible.
Owner:GD MIDEA AIR-CONDITIONING EQUIP CO LTD +1
Mobile terminal
InactiveCN107707702AImprove wireless experienceImprove signal receptionAntenna supports/mountingsTelephone set constructionsSkyCommunication quality
The present invention provides a mobile terminal, especially a mobile phone, which solves the problem that the main beam of the GNSS antenna in the mobile terminal is not distributed or oriented in the sky direction on the top of the entire machine, resulting in the non-ideal signal receiving effect. The mobile terminal of the present invention includes: a system ground; a GNSS antenna disposed atone end of the system ground and connected to the system ground; at least one parasitic metal arm, wherein each parasitic metal arm is connected to the system ground, at least one parasitic metal armis disposed at a first side and / or a second side of the system ground, and the first side and the second side are located on opposite sides of one end of the system ground. In the mobile terminal, bysetting the parasitic metal arms connected to the system ground of the mobile terminal, the GNSS antenna radiation direction of the mobile terminal (especially a mobile phone) is changed so that themain beam of the GNSS antenna is located in the upper hemisphere of the whole machine or points to the sky, thereby improving the signal receiving performance, wireless communication quality, user wireless experience and product competitiveness.
Owner:VIVO MOBILE COMM CO LTD
Millimeter wave channel prediction method and system for mobile scene
ActiveCN119675803Astrengthen the systemincrease speedBaseband system detailsTransmission monitoringChannel state informationCommunications system
The invention relates to a wireless communication technology, in particular to a millimeter wave channel prediction method and system for a mobile scene, and the method comprises the steps: building a single-cell time division duplex MIMO channel model which comprises a base station and a user; the method comprises the following steps: constructing a millimeter wave channel prediction network oriented to a mobile scene on the basis of a transformer neural network, improving a position coding layer into a learnable position coding layer, and introducing a convolution module into a multi-head self-attention layer to improve the multi-head self-attention layer into a multi-head convolution self-attention layer; training the millimeter wave channel prediction network to enable the millimeter wave channel prediction network to adapt to a mobile scene; and establishing a channel prediction model comprising a channel estimator and a millimeter wave channel prediction network, the channel estimator obtaining known channel state information according to the pilot signal, and the millimeter wave channel prediction network predicting future channel state information according to the known channel state information. According to the invention, for a mobile scene under a millimeter wave channel, future channel state information is obtained through channel prediction, and the capacity of a communication system can be effectively improved.
Owner:SUN YAT SEN UNIV
WLAN air interface quality monitoring method and device
ActiveCN103581984BAccurate estimateReasonable choiceTransmission monitoringWireless communicationCommunication qualityAir interface
The embodiment of the invention discloses a WLAN air interface quality monitoring method and device. Wherein, the method includes obtaining the background noise of an AP's current working channel, the AP's own communication quality, the interference signal strength of other APs to the AP, and the interference traffic of other APs communicating with the WLAN terminal to the AP; The above parameters of the AP are assigned different weights, and are uniformly converted into a dimensionless interference level; the data converted into interference levels are added together to obtain the interference level of the current working channel of the AP, which is determined according to the interference level of the current working channel of the AP. Whether to switch the working channel of the AP. The embodiments of the present invention can more accurately and comprehensively reflect the magnitude of interference in the air interface environment of the WLAN system, and facilitate the WLAN system to select working channels more reasonably.
Owner:CHINA TELECOM CORP LTD
Sensor having separate antenna
ActiveUS20190221928A1Improve wireless communication qualityQuality improvementPhotometryCasings/cabinets/drawers detailsEngineeringElectrical and Electronics engineering
A sensor having a separate antenna includes a shell, a circuit board, a nameplate, an antenna, and a connecting unit. The shell includes a substrate and a tubular wall. The tubular wall is mounted on a first surface of the substrate to form a containing space. The circuit board is mounted in the containing space. The nameplate is mounted on a second surface of the substrate which is opposite the first surface. The antenna is mounted on the nameplate and is separate from the circuit board. The connecting unit is electrically connected between the antenna and the circuit board, and is mounted through the substrate. The antenna may be mounted outside of the containing space. When the sensor is mounted on a ceiling, the ceiling may not block wireless signals, and quality of wireless communication of the antenna may be improved.
Owner:IR TEC INT
Communication indication method and device and network side equipment
PendingCN114554624AGuaranteed reliabilityImprove wireless communication qualityConnection managementNetwork traffic/resource managementRadio Resource ControlCore network
The invention discloses a communication indication method and device and network side equipment, and belongs to the technical field of wireless communication. The method comprises the following steps: a first core network function sends first auxiliary information to access network equipment serving a user terminal according to a multicast service condition corresponding to the user terminal; wherein the first auxiliary information is used by the access network device to maintain a radio resource control (RRC) state of the user terminal.
Owner:VIVO MOBILE COMM CO LTD
Relay communication method and device, relay equipment, terminal and storage medium
PendingCN114375021AImprove web experienceImprove wireless communication qualityWireless communicationFrequency bandTrunking
The embodiment of the invention discloses a relay communication method and device, relay equipment, a terminal and a storage medium, and the relay communication method is executed by the relay equipment, and comprises the steps: building communication connection with at least two frequency bands of routing equipment; and in the communication connection of the at least two frequency bands established with the routing equipment, determining to switch to at least one frequency band to communicate with the routing equipment.
Owner:BEIJING XIAOMI MOBILE SOFTWARE CO LTD
Antenna and wireless communication electronic equipment
ActiveCN108258407BImprove reception performanceImprove wireless communication qualityRadiating elements structural formsSlot antennasRadiation patternEngineering
Disclosed in the present invention are an antenna and a radio communication electronic device. The antenna comprises: a metal plate having a slit structure, the metal plate being divided into a body and at least one metal strip by means of the slit structure, a first end of the metal strip being connected to the body, and a second end being separated from the body by means of the slit structure; and an antenna arm, connected to the body, the antenna arm being further connected to a first feed source, the antenna arm being provided at a first side of the body, the metal strip being provided at a second side of the body, and the first side being adjacent to the second side.
Owner:VIVO MOBILE COMM CO LTD
Wireless communication method of LTE (Long Term Evolution) network comprising macro cell base station and home base station
InactiveCN101959203BReduce distractionsImprove wireless communication qualityNetwork traffic/resource managementNetwork planningCommunication qualityEngineering
Owner:TSINGHUA UNIV
Beam former and wireless communication method thereof
ActiveCN104753576AImprove wireless communication qualityAddressing cost increasesSpatial transmit diversityTelecommunicationsWireless communication systems
The invention discloses a beam former and a wireless communication method thereof. The wireless communication method comprises receiving a plurality of reference messages from and corresponding to a plurality of stations respectively; calculating an evaluation value according to at least one of the reference messages in the plurality of reference messages, wherein the at least one of the reference messages is corresponding to the corresponding station in the plurality of stations; performing comparison on the evaluation values corresponding to the plurality of stations respectively to select a specific station from the plurality of stations, wherein the beam forming operation needs to be performed on the specific station.
Owner:REALTEK SEMICON CORP
Subnetwork cluster division method, network equipment and storage medium
PendingCN113438657AReduce labor costsImprove wireless communication qualityNetwork planningEngineeringCommunication quality
The embodiment of the invention provides a subnetwork cluster division method, network equipment and a storage medium, the network equipment can automatically realize sub-network cluster division, the dependence of the sub-network cluster division process on manpower is avoided, and the labor cost is saved. Meanwhile, when the network equipment divides the sub-network clusters, the association degree among the cells is determined based on the overlapping coverage degree of the cells in the target area in the opposite cells, and then the cells with the large association degree are divided into one sub-network cluster according to the determined association degree. And the overlapping coverage can accurately reflect the association degree of the cells on the wireless parameters, so that the subnetwork cluster division method provided by the embodiment of the invention can divide the cells of which the wireless parameter adjustment can influence each other into the same subnetwork cluster, so an accurate basis and a reliable foundation are provided for subsequent network self-optimization, the network self-optimization effect is improved, and the wireless communication quality is enhanced.
Owner:ZTE CORP
Wireless communication method, wireless communication system, and transmission device
ActiveEP4395192A4Improve wireless communication qualityquality improvementRadio transmissionHigh level techniques
A wireless communication method according to an embodiment includes a precoding step of precoding a stream of a transmission signal in a time domain by using an FIR filter, a transmission power control step of controlling a transmission power of the precoded stream, an amplification step of amplifying the precoded stream such that the controlled transmission power is obtained; and a tap length control step of performing control for changing a tap length in the precoding step such that the tap length is decreased in a case where a magnitude of a last tap coefficient in the precoding step is small and the tap length is increased in a case where the magnitude is large, with respect to a threshold value calculated on the basis of quality information of a received signal fed back from a reception device that has received the amplified stream or quality information of a received signal calculated by using at least characteristics of an amplification unit.
Owner:NT T INC
Beamformer and wireless communication method therefor
ActiveCN104753576BImprove wireless communication qualityLow costSpatial transmit diversityTelecommunications
The invention discloses a beamformer and a wireless communication method thereof. Wherein, the method includes: receiving a plurality of reference information corresponding to a plurality of stations; for each station in the plurality of stations, calculating according to at least one reference information in the corresponding plurality of reference information an evaluation value; and comparing the evaluation values respectively corresponding to the plurality of stations to select a specific station to perform a beamforming operation from the plurality of stations.
Owner:REALTEK SEMICON CORP
A Method for Studying Electromagnetic Wave Propagation in Semicircular Arch Tunnel
InactiveCN105279360BImprove wireless communication qualityGuarantee safety production monitoringSpecial data processing applicationsUltrasound attenuationOrthogonal coordinates
Owner:HENAN POLYTECHNIC UNIV
A Uplink Power Control Method Based on Neighbor Cluster Interference
InactiveCN108243491BImprove wireless communication qualityReduce distractionsPower managementInterference (communication)Communication quality
Owner:GUILIN UNIV OF AEROSPACE TECH
Adjust transmit power based on touch detection
ActiveUS10356505B2Improve wireless communication qualityPower managementIntra aural earpiecesUltrasound attenuationTransmitted power
Attenuation of a wireless signal, particularly a short range wireless pairing signal, is accommodated immediately and automatically by a device in response to detection of presence of an object. When a user provides input to the device, such as by touching the device with a finger, presence of the finger may interfere with a signal emitted from the device. To accommodate for such interference, the device may immediately increase its transmission power upon detection of the finger, without waiting for link quality measurements.
Owner:GOOGLE LLC
Bidirectional intelligent reflection unit selection method
InactiveCN113644948AImprove wireless communication performanceImprove wireless communication qualityPassive radio relay systemsInstrumentsCommunication qualityBidirectional transmission
The invention provides a bidirectional intelligent reflection unit selection method, which comprises the following steps that: a user I and a user II work in the same frequency band, the user I and the user II carry out receiving and transmitting at the same time, and the user I completes communication with the user II through cooperation of an intelligent reflection unit selected from a plurality of intelligent reflection units, the intelligent reflection unit with the minimum two-way transmission outage probability is taken as a selected intelligent reflection unit; the user I and the user II serve as sending ends to send information and serve as information sinks to receive information sent by the opposite side through the selected intelligent reflection unit. According to the method, the intelligent reflection unit with the minimum two-way transmission outage probability is selected for auxiliary communication, so that the wireless communication performance of the Internet of Things is remarkably improved, and the wireless communication quality is also enhanced.
Owner:NANJING UNIV OF POSTS & TELECOMM
A wireless communication system and method for a train
InactiveCN105744477BImprove wireless communication qualityImprove experienceNetwork traffic/resource managementParticular environment based servicesCommunications systemCommunication quality
The invention discloses a wireless communication system and a wireless communication method of a train. The system comprises a motion monitoring module, a dynamic reconnection module, a data management module and a track radio frequency module, wherein the motion monitoring module is used for monitoring and calculating a real-time position of the train; the dynamic reconnection module is used for dynamically linking with a ground wireless communication device, and judging and controlling node communication of the train with a certain node of the ground wireless communication device according to the real-time position fed back by the motion monitoring module as well as preset conditions and an algorithm model; the data management module is respectively coupled to the dynamic reconnection module and the motion monitoring module, and is used for taking charge of the management and coordination work for the dynamic reconnection module, the motion monitoring module and the track radio frequency module and sending a data communication command to the track radio frequency module according to the returned data; and the track radio frequency module is coupled to the data management module, and finishes data communication between the ground wireless communication device and the train according to the data communication command. The system and the method disclosed by the invention are beneficial to improving the wireless communication quality of the train.
Owner:深圳百米宏创网络信息有限公司