132 results about "Wireless grid" patented technology

A method and apparatus for providing channel access coordination in a BSS or a wireless mesh is presented. A control channel is assigned to a control radio. At least one data channel is assigned to at least one data radio. Control signals are transmitted and received on the control channel, and data is transmitted and received on the at least one data channel. Acknowledgements for the data are received on the control channel. A node having a plurality of radios can transmit and receive traffic on different data channels simultaneously.

A system and method for the ad hoc distribution of resources within a wireless grid for coordinating dynamic resource sharing. The architecture of the present invention comprises four primary modules: a resource descriptor that specifies the language for defining the resources; a service agent that facilitates interactions between the requesting devices and available resources; a resource manager that defines the methods by which the resources are shared, used, managed, and paid for; and a session manager that handles the establishment of sessions between mobile devices in a manner that does not require a centralized name service or directory. The combination of these modules allow for the rapid development of applications based on the wireless grid technologies using these common building blocks.

The invention discloses a wireless underground miner positioning and construction area environment safety intelligent monitoring system. The system comprises a comprehensive processing server, a communication base station, an intelligent watch node, a positioning and monitoring node, a wind speed sensor node and a pressure sensor node. The comprehensive processing server can be in communication with the communication base station through connection of a cable. The communication base station is wirelessly connected with the intelligent watch node, the positioning and monitoring node, the wind speed sensor node and the pressure sensor node, and wireless mesh network communication is formed. According to the wireless underground miner positioning and construction area environment safety intelligent monitoring system, the positions of an underground miner can be positioned accurately, the vital signs of the miner and the safety information of the construction area environment of the miner can also be monitored, monitoring information can be transmitted to a ground monitoring center and the intelligent watch node on the hand of the underground miner in real time, operation and use are convenient, when the monitoring parameter exceeds the safety threshold value, the system can send out alarming information in time automatically, the positions of survived people can be determined after a mine disaster happens, the rescue efficiency can be improved, and the casualty loss can be reduced.

The embodiment of the invention discloses a wireless grid building method comprising the following steps: a first base station measures a sensing reference signal SRS sent by target user equipment UE so as to obtain a first uplink reference signal reception power RSRP, wherein the target UE refers to the UE in a service community to which the first base station is located; the first base station obtains the first emission power of the target UE sending the SRS; the first base station calculates the first uplink path loss of the target UE sending the SRS according to the first emission power and the first uplink RSRP; the first base station receives second uplink path losses sent by adjacent base stations; the first base station builds the wireless grid according to the first and second uplink path losses. The base station has much stronger receive and measuring ability when compared with the UE; normally the information sent by single UE can be received by a plurality of surrounding base stations, so the base station can obtain the UE uplink path losses so as to build the wireless grid with more accuracy, thus improving UE location positioning.

The invention provides an equipment network distribution system and a network distribution method thereof. The network distribution method comprises the steps that an intelligent terminal outputs a user datagram protocol (UDP) broadcast signal when receiving a network distribution instruction; the equipment to access the network monitors the broadcast signal within the effective distance when acquiring a monitoring instruction, and stores, when monitoring the UDP broadcast signal, a service set identifier (SSID) in the monitored UDP broadcast signal, wherein the SSID is a network identifier ofa Mesh network, determines target equipment from at least one piece of equipment that has accessed the network according to the SSID, and sends a network distribution request to the target equipment;when serving as the target equipment and receiving the network distribution request, the equipment that has accessed the network sends the network password of the Mesh network to the equipment to access the network which sends the network distribution request; and the equipment to access the network enters the Mesh network through the SSID and the network password, determines whether the equipment to access the network has a data forwarding function or not, if so, the equipment to access the network serves as a wireless mesh node (MP) in the Mesh network, and otherwise, the equipment to access the network serves as a simple node STA in the Mesh network. According to the scheme, the equipment network access difficulty can be reduced.

The invention provides an emergency communication command, positioning and sensing system. The system comprises communication base stations, wireless communication terminals, wireless sensors, positioning tags and a server. The communication base stations and the wireless sensors provide wireless grid network networking and signal coverage for the system. A broad-band wireless local area network is formed among the communication base stations and broad-band wireless access is provided. A narrowband sensing network is formed among the wireless sensors and narrow-band wireless access is provided. IPV6/6Lowpan protocol networking is used between the communication base stations and the wireless sensors. The server is connected with any one communication base station. Each wireless communication terminal accesses the communication base stations through the broad-band wireless local area network. Each positioning tag communicates with the communication base stations or the wireless sensors through the narrowband sensing network. The server issues monitoring information to the wireless sensors and the positioning tags through the communication base stations. By using the emergency communication command, positioning and sensing system provided in the invention, a narrow-band low-power-consumption advantage and a broad-band wireless communication capability of a sensing network are possessed simultaneously.

The invention discloses a method for constructing networking based on network device and a network system. The method comprise: a main device obtaining a device list, and the device list recording device information of at least one device which is allowed to access a network; the main device selecting the communication channel meeting a first preset condition according to the detected state of at least one communication channel; and the main equipment creating a network according to the selected communication channel and network identifier, and the network identifier being used for uniquely representing the identifier of the main equipment. According to the method, the technical problems that the current wireless grid network device networking generally adopts point-to-point configuration of network parameters, the network parameters are too complicated, the configured wireless grid network parameters are fixed, and an optimal working communication channel cannot be automatically selected along with the current environment are solved.

The invention describes a method in which a node between a source node and a target node builds a route between the source node and the target node through using a media access control address to select the route in a wireless network grid. The invention also describes another method in which the node uses the media access control address to select the route so as to access the multicast group ofthe wireless network grid.

The invention provides a mesh network-based network distribution method and device and a household appliance. The method comprises the following steps: acquiring routing configuration parameters and Mesh configuration parameters of a wireless mesh network; determining a target router corresponding to a communication module according to the routing configuration parameters; configuring the communication module as a target communication module having a corresponding communication mode according to the target router; and adding the target communication module into the Mesh network according to the Mesh configuration parameters. Therefore, a wireless signal coverage range is enlarged, and the technical problem that the wireless signal coverage range of a router in the related art needs to be improved is solved.

The invention discloses a method for constructing a wireless mesh network. The method comprises steps of performing connection between a wireless sound box and an access point, if the wireless mesh network access point is searched in the network where the access point is positioned, joining into the wireless mesh network through the wireless network mesh access point; if the wireless mesh network access point is not searched in the network where the access point is positioned, creating the wireless mesh network by the wireless mesh network access point. The embodiment of the invention also discloses a wireless sound box. By adopting the invention, the fact that too many mesh networks are built can be avoided, so that the efficient utilization of the wireless resource can be achieved, and the interference between different Mesh network can be avoided.

The invention discloses a power supply control system and control method. The power supply control system is used for controlling the opening or closing of computer nodes in a computer cluster system and comprises a control terminal and a plurality of power supply control nodes connected by a wireless grid network, wherein the control terminal is suitable for acquiring route information and transmits a control signal to the power supply control nodes in a wireless way; the control signal carries an active address, a destination address, route information and information for the computer nodes to be controlled; the power supply control nodes are connected between the control terminal and the computer nodes, is suitable for receiving and analyzing the control signal and controlling the opening or closing of the corresponding computer nodes on the basis of the information for the computer nodes to be controlled; and when the power supply control nodes are the power supply control nodes pointed by the destination address, the power supply control nodes forward a control signal to the wireless grid network on the basis of the analyzed route information. The power supply control system has the advantages of strong extensibility and high safety.

The present disclosure relates to methods and apparatus that registers a plurality of mesh node devices to operate as part of a wireless mesh network after a user device scans encoded information that is unique to each mesh node of a plurality of different mesh nodes. After codes associated with different respective mesh nodes are scanned by a user device, that user device may communicate with these different mesh nodes via a low power communication interface and the user device may send registration information to a registration computer via a secure communication channel. Apparatus consistent with the present disclosure may also receive a validation code from the registration computer via a communication channel that is different from the secure communication channel and these apparatus may then send the validation code to the registration computer via the secure communication channel when the user device is validated by the registration computer.

The invention relates to a networking method of a wireless grid sensor based on link stability estimation, in particular to a networking method of a wireless sensor network to solve the problems that the network throughput is low, the network time delay is high and the protocol expenditure is high caused by that the original sensor networking method cannot utilize geographic location information to carry out link estimation by local nodes. The wireless sensor network is divided into grids; when a data group of one sensing node or a relay node needs to be sent to a center node, a sending direction of the group is initially selected according to relative position information between the sensing node or the relay node and the center node and all the alternative relay nodes are listed; and link stability information of all the alternative relay nodes in the direction is estimated by estimating the link stability information of a sending node and the relay nodes in the grids by the sending node according to the relative position information between the sending node and the adjacent grids in the selected direction. The method provided by the invention is used for establishing a network.

The invention provides a control device, method and device, a storage medium and an air conditioner, and the control device comprises a voice unit which is used for receiving wake-up voice, and carrying out the recognition of the received wake-up voice to obtain first voice recognition information of the wake-up voice; a communication unit which is used for being connected with at least one pieceof voice equipment, and the communication unit and the at least one voice equipment form a wireless grid equipment network; when the voice unit receives the wake-up voice, the communication unit receives second voice recognition information of the wake-up voice, the second voice recognition information is broadcasted by the at least one voice equipment and is obtained by recognizing the wake-up voice; and a main control unit which is used for comparing the first voice recognition information recognized by the voice unit with the second voice recognition information received by the communication unit so as to determine whether to wake up the voice equipment. According to the scheme provided by the invention, multiple voice equipments can be prevented from being awakened and controlled by voice at the same time.

Various embodiments are disclosed relating to traffic prioritization techniques for wireless networks. Different priorities may be applied to uplink traffic and downlink traffic at one or more nodes or mesh points (MP1, MP2, MP3) in a wireless network, for at least some traffic. In another example embodiment, a first set of QoS parameters may be used for uplink traffic while a second set of QoS parameters may be used for downlink traffic for one or more nodes within a wireless network, for at least some traffic. According to another example embodiment, local or intra-cell traffic may be prioritized differently than inter-cell traffic for a mesh point within a wireless meshed network, for at least some traffic. For example, local or intra-cell traffic may be prioritized over inter-cell traffic for a mesh point within a wireless meshed network (100).

The embodiment of the invention discloses a method for switching an access point. The method comprises: when a master loudspeaker box is connected with a terminal, receiving an access point switching instruction transmitted from the terminal, wherein the access point switching instruction includes the identification information and the access information of an access point to be switched; forwarding the access point switching instruction a slave loudspeaker box in a Mesh network; connecting to the access point to be switched according to the access point switching instruction; and establishing a wireless access point and broadcasting the identification information of the access point to be switched in order that the slave loudspeaker box is connected with the access point to be switched and the Mesh network in the access point to be switched according to the identification information of the access point to be switched, wherein the master loudspeaker box is a Mesh portal point and the slave loudspeaker box is a Mesh point. The embodiment of the invention also discloses a wireless loudspeaker box. The method may achieve an effect of switching a wireless loudspeaker box constituting a Mesh network to another access point.

The invention discloses a method of implementing deterministic accessing in wireless grid network. Each node in network shares period interval time SI of time slot MDAOP selected by deterministic accessing mode of distribution grid. The said node determines the time slot MDAOP to be distributed based on SI and the MDAOP time slot information is sent to a neighbor node of establishing deterministic accessing with the said node. The said neighbor node establishes deterministic accessing with the said node based on the received MDAOP information. The invention also provides a wireless grid network node device, composed of a information sending and receiving unit, a period interval time setting unit, a time slot assignment unit. The said invention can prevent the nodes from generating collision on distributing the MDAOP time slot and reduce the competition of node on accessing to the channel.

A method is used by a mesh point that includes one or more step of receiving one of a beacon and probe response from an other mesh point; setting a state of whether the mesh point is already synchronized with one or more peers to true and performing a beacon timing synchronization function when the mesh point is in the unsynchronized state and the other mesh point requests synchronization from a peer mesh point; adding an identity of the other mesh point to a database of beacon senders maintained by the mesh point and performing a beacon timing synchronization function when the mesh point and the other mesh point are both synchronized; and providing indications of whether the mesh point supports synchronization, requests synchronization from a peer mesh point, and is already synchronized with one or more peer.

The invention discloses a method for producing an intelligent miner lamp charging cabinet, and further discloses a product which is obtained through implementing the method. The product comprises two cabinet bodies, a server, and a head portrait identification switch, an intelligent charging device, an information display screen and a charging cabinet state display screen which are connected with the server through a wired or wireless grid. The method provided by the method is simple in manufacturing processes, the production processes are effectively simplified, the cost is low, and quick production can be realized; and the intelligent miner lamp charging cabinet product has multiple functions of coal miner attendance checking, charging miner lamps and methane detection alarm instruments, storing self-rescuers and the like, and is convenient to use. The intelligent miner lamp charging cabinet product provided by the invention is ingenious and reasonable in structural design, not only is suitable for charging the miner lamps and the methane detection alarm instruments, but also has the function of storing the self-rescuers or other necessities, and can intelligently manage the miner lamps and coal miners; and in addition, when the product is used, additional keys are not needed, the product is convenient to operate, safe and reliable, and can satisfy the requirements of mine application occasions.

A system for tracking personnel and equipment in hazardous environments in pre or post-accident situations includes an intrinsically safe tracking tag and an intrinsically safe reader system. The intrinsically safe tracking tag transmits identification and status information to the intrinsically safe reader system, which includes a plurality of intrinsically safe antennas and a hub cable driver. In one embodiment, antennas are located at known positions in the hazardous environment and connected via a redundant, wired-mesh topology. The wired-mesh topology also allows more flexible antenna placement than line-of-sight wireless-mesh systems. The hub cable driver provides intrinsically safe power to and communication with the antennas using communication cables, receives data signals from the antennas, and transmits the data signals to a server. The server stores the data signals in a storage device and is connected to a workstation. The workstation retrieves the stored data to track persons or equipment.