632 results about "Mobile station" patented technology

Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a mobile station may receive configuration information indicating sounding reference signal (SRS) resource sets, the configuration information indicating: a first set of SRS resource sets, of the SRS resource sets, associated with a first downlink control information (DCI) format, and a second set of SRS resource sets, of the SRS resource sets, associated with a second DCI format, wherein at least one of the first set or the second set comprises at least two of the SRS resource sets. The mobile station may transmit, based at least in part on the configuration information, at least one uplink communication using at least one SRS resource of at least one of the SRS resource sets of at least one of the first set or the second set. Numerous other aspects are described.

The invention provides a frequency hopping communication method based on LoRa and a related device, applied to a base station, the method comprises the following steps: configuring to work on m independent channels of a target frequency band, the residence time of each channel being a duration T, m being an integer greater than 1; generating a random frequency hopping sequence according to the pairing code shared with the moving station; hopping to a target channel according to the frequency hopping sequence, and sending a data packet containing a network identifier within the residence time, the network identifier being associated with the pairing code; receiving a frequency matching acknowledgement message fed back by the moving station, wherein the frequency matching acknowledgement message is sent after the moving station monitors the data packet and verifies that the network identifier is matched; in response to the frequency matching confirmation message, issuing a synchronization instruction containing a frequency hopping sequence to the moving station; and performing data frequency hopping transmission with the moving station on m independent channels based on the synchronization instruction. Through dynamic random frequency hopping and time synchronization, efficient and reliable frequency hopping communication between a base station and a moving station is realized.

The disclosure relates to a 5G or 6G communication system for supporting a higher data transmission rate. Embodiments herein provide higher priority PLMN selection method during disaster situation in a wireless network (1000) by MS (100). In an embodiment, when MS (100) is registered for the disaster roaming service, the method includes selecting a higher priority PLMN in a priority order when the higher priority PLMN is available in the network and other non-forbidden PLMN when the higher priority PLMN is unavailable in the network, and registering the MS to receive the service in the network on one of the selected higher priority PLMN, and the selected other non-forbidden PLMN. In another embodiment, when the MS is not registered for the disaster roaming service, the method includes selecting a higher priority PLMN in a priority order when the higher priority PLMN is available in network, and registering the MS on the selected higher priority PLMN to receive the service in network.

This disclosure relates to wireless communication methods that reduce power usage in a mobile station caused by monitoring Physical Downlink Control Channel (PDCCH). The mobile station can implement a PDCCH monitoring skipping behavior including skipping the monitoring of the PDCCH for a skipping period.

The invention discloses a mining vacuum drainage system, which relates to the technical field of mine drainage and comprises a tail end water collector, a height difference controller, a three-phase generator, a vacuum pipeline, an auxiliary pump station, a slag separator, a pump station system and a control system. It is ensured that the system safely and efficiently operates in roadways, tunneling faces or fully mechanized coal mining faces of coal mines, strip mines or non-coal mines. The system is applied to the tail end drainage requirement of a drainage system, a series of problems caused by decentralized drainage in a coverage area can be solved only through one vacuum drainage system, concentrated drainage of multiple drainage points is achieved, facilities such as a shift transformer, a switch, a cable, an electric pump, an air pump and an air pipe are omitted, and the cost is reduced. Concentrated drainage can be achieved only through the pump station, the vacuum pipeline and the matched water collector, great cost is saved in the aspects of purchase, installation, operation and maintenance, energy consumption, inspection, overhaul, recovery and the like of traditional drainage equipment, and the comprehensive efficiency of an original drainage system is remarkably improved.

Techniques related to managing connections between a mobile device and multiple wearable devices are disclosed. In one example aspect, a method for managing connections includes receiving a first request from a user to connect a first wearable device to a mobile device and connecting the first wearable device to the mobile device upon determining compatibility of the first wearable device with the mobile device. In response to receiving a second request from the user to connect a second wearable device to the mobile device, the first wearable device is disconnected from the mobile device and the second wearable device is connected to the mobile device.

The invention relates to a data transmission method and device, a storage medium, communication equipment and a communication system. The method comprises the steps that first information sent by access network equipment is received, and the first information is related to the configuration condition of small data transmission of terminal equipment; or, second information is sent to the access network equipment, and the second information is related to called communication of the mobile station based on the core network. According to the invention, when the core network equipment processes the downlink information of the terminal equipment, the configuration condition of small data transmission of the terminal equipment can be considered, and the access network equipment can know the condition related to the called communication of the mobile station based on the core network.

The invention discloses an unmanned aerial vehicle intelligent identification device based on FAST site dangerous rock inspection. The unmanned aerial vehicle intelligent identification device comprises an unmanned aerial vehicle, a laser radar, a surveying and mapping camera and a D-RTK mobile station, after the unmanned aerial vehicle takes off, inertial navigation calibration is firstly carried out at the high altitude, the unmanned aerial vehicle flies upwards in a bow-shaped circulation mode from the foot of a mountain body at the station site 1H, dangerous rock point cloud data of the high and steep slope around the station site are rapidly obtained through a laser radar and a surveying and mapping camera carried by the unmanned aerial vehicle, the three-dimensional geometrical characteristics of the dangerous rock mass are extracted, and the isolated dangerous rock mass of the high and steep slope is intelligently and efficiently recognized. Through laser radar imaging equipment carried by the unmanned aerial vehicle, high-density point cloud data of the high and steep slope around the station site is rapidly obtained, three-dimensional geometric features of the dangerous rock mass are extracted, and the isolated dangerous rock mass of the high and steep slope can be accurately, intelligently and efficiently identified. The method is of great significance to stable and reliable operation and scientific achievement output of a 500-meter-caliber spherical radio telescope (FAST) which is a national important scientific and technological infrastructure.

The invention relates to the technical field of construction beam body transportation, and provides a movable pedestal and a beam body transportation system. The movable pedestal comprises a bearing mechanism which is arranged to place a to-be-conveyed beam body; the walking mechanism is fixedly connected with the bearing mechanism, and the walking mechanism is arranged to advance on a preset track; and the pressure detection mechanism is arranged between the walking mechanism and the bearing mechanism, and the pressure detection mechanism is arranged to detect the pressure borne by the walking mechanism so as to represent the surface flatness condition of the preset track. According to the movable pedestal, the problem that in the prior art, when a beam body is transported, the beam body is prone to being damaged due to local stress changes caused by uneven road surfaces can be effectively solved, and stable and efficient transportation of the beam body is achieved.

The utility model discloses a shoulder type precise positioning fertilization system which comprises a Beidou / GPS receiving base station, a Beidou / GPS receiving mobile station, a quantitative fertilizer applicator, a server and a user side, and the Beidou / GPS receiving base station and the Beidou / GPS receiving mobile station are in mutual wireless communication connection with a Beidou / GPS satellite navigation positioning system. The Beidou / GPS receiving mobile station is installed on the quantitative fertilizer applicator in an electric connection mode, the quantitative fertilizer applicator is in wireless data transmission connection with the server, the server is in wireless data transmission connection with the user side, the quantitative fertilizer applicator is a shoulder type quantitative fertilizer applicator, and a fertilizer application switch, a mobile communication module, a camera, a control module and a power supply are installed on the quantitative fertilizer applicator. The fertilization switch, the mobile communication module and the control module are electrically connected with the power supply, and the Beidou / GPS receiving mobile station is electrically connected with the control module and the power supply. According to the utility model, the problem of large positioning data information error frequently occurring in the use process of the existing fertilizer applicator is solved, and the common phenomena of fertilizer application position information drifting, overlapping and the like are eliminated.

The present invention provides a method for low-complex estimation of Direction of Arrival (DoA) and Time of Arrival (ToA) in multi-antenna-based communication comprising detecting overlapped paths between a Mobile Station (MS) and a Base Station (BS) operating under said multi-antenna-based communication with scatters present therein involving channel paths represented as Channel Impulse Response (CIR) defined with channel signatures including delay and angle steering vectors, decoupling the channel paths in delay and angle-domain and separately estimate the DoA and ToA of each path with a low computational complexity which is based on one-dimensional low-index based rotation methodology and finally pairing the DoA and the ToA.

The invention provides an immersed tube joint sinking butt joint underwater space positioning system and method. The immersed tube joint sinking butt joint underwater space positioning system comprises a clinometer, a mobile station group, a tide gauge, a multi-beam sonar and a monitoring data analysis and display module. The inclinometer obtains bidirectional dip angle monitoring data of the immersed tube joint; the mobile station group obtains coordinate monitoring data of positions where the mobile stations are located respectively; the tide level meter obtains tide level monitoring data in the pipe joint sinking and butt joint period; the multi-beam sonar obtains the terrain data of the underwater foundation trench in the pipe joint sinking and docking area; the monitoring data analysis and display module obtains feature point coordinates, pipe joint postures and early warning index data on a to-be-immersed pipe joint according to the inclinometer monitoring data, the mobile station group monitoring data, the tide level data, the multi-beam underwater topographic data and the immersed pipe joint coordinate data.

A method for operating a mobile station (STA) to periodically change its medium access control (MAC) address includes transmitting, from a STA, a first capability indication to an access point (AP) indicating that the STA supports identifiable random MAC (IRM). The STA receives a second capability indication from the AP indicating that the AP supports IRM. A first IRM address (IRMA) is determined and a first association between the STA and the AP is established using the first IRMA. A determination is made whether to change a MAC address of the STA. In response to a determination to change the MAC address of the STA, without disconnecting from the AP, a second IRMA is determined and a second association between the STA and the AP is established using the first IRMA. During the second association, the second IRMA is transmitted from the STA to the AP.

The invention provides a troposphere delay correction method and system, electronic equipment and a storage medium, and the method comprises the steps: extracting troposphere delay of a reference station through a non-difference combination observation value method according to the obtained real-time reference station observation data, broadcast ephemeris, ultra-fast orbit and clock correction, carrying out the adjustment of observation values of a plurality of satellites, and carrying out the adjustment of the observation values of a plurality of satellites; the zenith troposphere delay of the base station is obtained; the zenith troposphere level of the base station after normalization processing is interpolated to the position of the moving station through an inverse distance weighted interpolation method, zenith troposphere delay of the moving station is obtained according to a pre-constructed elevation normalization model, and the elevation normalization model is constructed based on ERA5 horizontal atmospheric layer meteorological data. According to the method, the adaptability of the model to complex terrains can be improved, so that the model precision is improved, the precision single-point positioning convergence time of the moving station is effectively shortened, and the precision single-point positioning precision is improved.

The invention discloses a UWB indoor positioning method based on an RTK difference thought, and relates to the technical field of indoor positioning. Comprising a base station, reference stations and a mobile station, and specifically comprises the following steps that 1, UWB signals are sent through the base station, a plurality of reference stations with known accurate coordinates are deployed indoors, the reference stations are UWB anchor points, and the positions of the reference stations are calibrated in advance through laser surveying and mapping; according to the method, the base station with the known accurate position is deployed indoors, the base station is used for calculating the error in the UWB signal propagation process, the error correction information is sent to the mobile station, and the mobile station corrects the distance measurement result of the mobile station according to the correction information, so that the precision and the stability of UWB indoor positioning are improved. The UWB indoor positioning method effectively solves the problem of positioning errors caused by factors such as multipath effect, non-line-of-sight and clock drift in UWB indoor positioning, and is suitable for various indoor scenes such as industrial storage, medical care for the aged and emergency rescue.

The invention discloses a universal mounting platform for multi-size semiconductor chips, and relates to the technical field of semiconductor testing and packaging, the universal mounting platform comprises a base, a chip use platform is fixedly arranged in the base, an adjustable chip positioning mechanism is arranged on the base, a fixing frame is fixedly arranged on the base, and the adjustable chip positioning mechanism is arranged on the fixing frame. A chip collecting structure and a discharging structure are arranged on the fixing frame; the adjustable chip positioning mechanism comprises a first electric sliding rail, the first electric sliding rail is fixedly arranged on the base, a moving table is arranged on the first electric sliding rail in a sliding mode, a machining groove is formed in the base, and adapter plates for different pin chips are arranged on the moving table. According to the invention, clamping of a plurality of chips is realized through the adapter plate, temporary storage and blanking of the plurality of chips are conveniently realized through the collection structure and the blanking structure, and the problems that the shutdown time of equipment is increased and the test efficiency is reduced due to frequent replacement of clamps in the prior art are solved.

The invention discloses a gantry type multi-station manipulator action control mechanism, and particularly relates to the technical field of manipulator control mechanisms, the gantry type multi-station manipulator action control mechanism comprises a moving table, a portal frame and an adjusting mechanism, the adjusting mechanism used for working at a single station or synchronously working at a plurality of stations is arranged on the surface of a fixing frame, and through the adjusting mechanism and a connecting mechanism, the gantry type multi-station manipulator action control mechanism is achieved. When two workpieces are machined, an adjusting rod and a connecting plate are driven to move backwards, a first clamping block is inserted into a clamping hole, meanwhile, the adjusting rod drives a fixing strip to move downwards through an inclined block, a limiting block is clamped on a second rack, a plurality of stations are connected together, and when one adjusting rod is moved, two workpieces can be machined at the same time; when the two adjusting rods are moved, three workpieces can be machined at the same time, when the three adjusting rods are moved, four workpieces can be machined at the same time, when the adjusting rods do not move, a single workpiece can be machined, meanwhile, the other stations cannot be started, and influences on workpiece machining during synchronous operation of the stations are avoided.

The invention relates to the technical field of medical inspection equipment and portable cold chain control, in particular to a foldable temporary inspection reagent refrigeration box temperature control and pipettor waste liquid early warning system. The system is composed of a semiconductor refrigeration and phase change cold storage composite temperature control unit, a reagent position RFID and expiration management module, a temperature, humidity and vibration monitoring module, a waste liquid collection and liquid level and component monitoring unit, an edge control and information interaction terminal, a pipettor interface control module, a folding state detection module and a power supply and battery management module. 2-8 DEG C closed-loop temperature control and timing temperature return are realized; when the event is close to a threshold value, alarming and prohibiting cover opening, and locking suction and discharge; and recording the cold chain and tracing. According to the technical scheme, 2-8 DEG C closed-loop temperature control and timing temperature returning are achieved, automatic temperature control tightening, cover opening forbidding, suction and exhaust locking and chain type tracing are achieved in the abnormal state, and the problems that temperature control beside a mobile station is disjointed with authority, and tracing is insufficient are solved.

The utility model discloses a building wall crack detection device, and relates to the wall crack detection technology field, the building wall crack detection device comprises a pedestal, the main body of the pedestal is a rectangular structure, the building wall crack detection device is provided with a mobile station capable of moving and exhibiting, and a tool box, according to the tool box display device, the movable base is arranged on the base, so that when a distance measuring assembly arranged on the top end face of the base detects that the movable base ascends, an electric push rod installed in a guide rail can be synchronously started to display the movable table and the tool box, and by arranging an infrared module and a camera shooting assembly, when the movable base moves, the movable table and the tool box can be displayed; through the arrangement of the infrared module and the camera shooting assembly which are fixedly connected to the outer side face of the wall body, the picture of the current wall body can be shot and recognized, and whether hidden cracks exist in the wall body or not is recognized and judged in a non-contact mode.

The invention relates to a mobile storage and charging all-in-one machine and an application method, the mobile storage and charging all-in-one machine comprises a storage and charging machine and a mobile station, the storage and charging machine is internally provided with an energy storage bin, an AC power distribution bin, a DC power distribution bin and an energy management system, and the energy storage bin is internally provided with a liquid-cooled battery pack; a PCS and an alternating current conversion device are arranged in the alternating current distribution bin, a power conversion unit and a direct current conversion device are arranged in the direct current distribution bin, a charging device is arranged on the outer wall of the direct current distribution bin, and the storage and charging machine is detachably installed on the moving table. The energy management system is in signal connection with the liquid-cooled battery pack, the PCS, the power conversion unit, the direct-current conversion equipment and the mobile station; the charging device outputs direct current outwards or receives an external direct current power supply to charge the liquid-cooled battery pack, and the alternating current conversion device outputs alternating current outwards or receives an external alternating current power supply to charge the liquid-cooled battery pack. The invention aims to provide the mobile storage and charging all-in-one machine which is low in cost, wide in application range, sufficient in electric energy, high in maneuverability, intelligent and capable of being remotely regulated and controlled and the application method.

This disclosure generally relates to port indication for uplink data channel transmissions in wireless communications. In some implementations, a communication node in a wireless communication network, such as a mobile station, may receive a command to trigger transmission of an uplink data channel. The node may determine one or more ports according to a port parameter associated with the uplink data channel. Additionally, the node may transmit the uplink data channel using the one or more ports.

A method for operating a mobile station (STA) to periodically change its medium access control (MAC) address includes transmitting, from a STA, a first capability indication to an access point (AP) indicating that the STA supports identifiable random MAC (IRM). The STA receives a second capability indication from the AP indicating that the AP supports IRM. A first IRM address (IRMA) is determined and a first association between the STA and the AP is established using the first IRMA. A determination is made whether to change a MAC address of the STA. In response to a determination to change the MAC address of the STA, without disconnecting from the AP, a second IRMA is determined and a second association between the STA and the AP is established using the first IRMA. During the second association, the second IRMA is transmitted from the STA to the AP.

A method includes calculating, by a mobile station, a second coordinate according to a first coordinate and a first observation value of a first base station, and a second observation value published by a second base station; and determining, according to the calculated second coordinate, whether there is a deviation in a third coordinate published by the second base station. When there is a deviation in the third coordinate, calculating location information of the mobile station according to the second coordinate and the observation value of the second base station, wherein the first coordinate and the first observation value are information used for calculating the location information of the mobile station before base station is switched. The first base station publishes the coordinate to the mobile station before base station is switched; and the second base station publishes the coordinate to the mobile station after base station is switched.

The invention belongs to the technical field of radar performance evaluation and calibration, and discloses a low-altitude perception radar evaluation and calibration system and method, and the system comprises an RTK base station, a radar, a processor, a plurality of unmanned aerial vehicles, and RTK mobile stations disposed on the unmanned aerial vehicles. The RTK base station is arranged in an unshielded area within a preset distance with the radar as the center; the unmanned aerial vehicle flies according to a preset flight path; the RTK mobile station is used for collecting truth value data of the corresponding unmanned aerial vehicle and sending the truth value data to the processor; the radar is used for collecting detection data of a detection area and sending the data to the processor. The processor is used for constructing a data set according to each piece of received truth value data and each piece of detection data; calculating performance evaluation parameters of the radar according to the data set; and calculating pitch deviation correction and azimuth deviation correction of the radar based on the performance evaluation parameters and each piece of true value data, and calibrating the radar. The sensing precision of the radar to the unmanned aerial vehicle in the low-altitude range can be improved, and the low-altitude management and control efficiency is improved.

The invention discloses an intelligent bird nest protection system based on the Internet of Things, and the system is characterized in that the system comprises a camera, a recognition module, a positioning module, a sensor module, and a photovoltaic power generation module; the camera and the recognition module are used for monitoring day and night and recognizing the types, behaviors and health conditions of the birds in real time through a neural network model; the positioning module is used for realizing high-precision positioning of a plurality of bird nests through combined work of a base station and a mobile station by adopting a differential GPS technology and a combined positioning algorithm; the sensor module integrates a temperature and humidity sensor and an illumination sensor and is used for monitoring environmental parameters in the bird nest; the photovoltaic power generation module is used for converting solar energy into electric energy by utilizing a photovoltaic panel and providing energy support for the intelligent bird nest protection system; real-time and continuous monitoring data is provided, and missing of key information is avoided; and through an intelligent identification technology, the accuracy and reliability of monitoring data are improved.

One or more wireless stations operate to configure direct communication with neighboring mobile stations, e.g., direct communication between the wireless stations without utilizing an intermediate access point. A wireless station may enter an unsynchronized discovery mode, transmit, in response to receiving a subscribe message from a neighboring device, a publish message to the neighboring device, perform authentication and trusted device cluster provisioning with the neighboring wireless device, and protect transmissions using the security credentials. In the unsynchronized discovery mode, the wireless device may monitor a discovery channel for subscribe messages, e.g., from neighboring peer devices. Additionally, the trusted device cluster provisioning may provide security credentials to the wireless device. Note that protecting transmissions using the security credentials may include protecting a trusted device cluster identity, transmitted beacons, transmitted management frames, or transmitted action frames using the security credentials acquired via the trusted device cluster provisioning.

The utility model discloses an assembly type building reverse ceiling construction auxiliary device, including mobile station, both sides of the bottom of mobile station all rotatoryly connected with removal wheel, the top fixed connection of mobile station has the limit stop, both sides of the top of limit stop all fixed connection has a set of limit stop slide bar no.

To provide a position estimation apparatus that estimates a position of a mobile station in a hierarchy indoors.SOLUTION: A position estimation apparatus includes a computing section that acquires position information of a plurality of reference stations, each having a radio communication function and respectively installed on a plurality of hierarchies different in a height direction indoors, acquires signal strengths during respective communications between the plurality of reference stations and a mobile station, and estimates a position of the hierarchy of the mobile station indoors on the basis of the signal strengths.SELECTED DRAWING: Figure 1

The invention relates to portable offshore wind power wave height measuring equipment, and belongs to the technical field of offshore wind wave height measurement. Comprising a body mechanism, the body mechanism comprises a base and a stand column, the stand column is fixedly arranged at the upper end of the base, a processing mechanism is arranged on the stand column, the processing mechanism comprises an adjusting assembly and a dehumidifying assembly, the adjusting assembly comprises a liftable connecting frame, a fixing frame is rotationally arranged on the connecting frame, and an adjusting frame is rotationally arranged on the fixing frame; a moving table is arranged on the adjusting frame in a sliding manner; a laser measurement scanner main body and a laser range finder main body are arranged on the moving table; the dehumidification assembly comprises a dehumidifier body, a swing frame and a suction nozzle, the swing frame is rotationally arranged on the moving table, the suction nozzle is arranged on the swing frame, and the suction nozzle is connected with the dehumidifier body through a conveying pipe; the problem that data of an existing laser measuring device for measuring the wave height of offshore wind power is prone to deviation is solved.

The invention relates to a method for operating a mobile station in a radio environment comprising a plurality of radio cells of a plurality of mobile communication networks, each of these radio cells being respectively associated with at least one mobile communication network of this plurality of mobile communication networks, wherein this mobile station is connected or registered to a first mobile communication network of this plurality of mobile communication networks and is additionally able to be connected or registered to a second mobile communication network of this plurality of mobile communication networks, wherein, as a result of a main network selection process performed taking into account this radio environment and network selection data stored in a memory module of this mobile station, this mobile station is connected or registered to this first mobile communication network, wherein at least a part of this network selection data relates to or indicates this first mobile communication network, wherein, in order to cause this mobile station to be additionally connected or registered to this second mobile communication network, this method comprises the following steps: - in a first step, this mobile station comprises or receives secondary network selection data which is at least partially related to this first mobile communication network and which indicates at least this second mobile communication network, - in a second step, in addition to being connected or registered to this first mobile communication network, as a result of a secondary network selection process performed taking into account this radio environment and this secondary network selection data, this mobile station is connected or registered to this second mobile communication network.