133 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.

An embodiment of the present invention discloses a method for accessing a network, comprising the steps of: connecting with an access point through a wireless and / or wired mode by a main sound box; according to a local area network established by the access point, connecting with a terminal accessing the local area network; establishing a wireless mesh network special-purpose access point, searching a slave sound box within a signal coverage range, and enabling the slave sound box within the signal coverage range to access a wireless mesh network established by the main sound box; and if the main sound box connects with the access point through a wireless mode, transmitting connection information of the access point to the slave sound box through the wireless mesh network, so as to access the access point through a wireless mode by the slave sound box. The embodiment of the present invention also discloses a wireless sound box and a system. Through adoption of the method of the present invention, a plurality of wireless sound boxes can access a network, and stability of data downloading can be improved.

The present invention discloses a radio frequency (RF) reader grid and method for facilitating transactions. The RF reader grid includes a transponder, a RFID reader, and a host RFID reader in communication with a merchant system. The secondary and host RFID readers communicate with one another via wireless, RF frequencies. The present invention also discloses a wireless grid that comprises non-radio frequency readers, such as magnetic stripe readers. In addition, a method for using a secondary RFID reader to perform a transaction is disclosed. The method includes the steps of initializing the secondary RFID reader, communication transaction information using the secondary RFID reader and processing the transaction information using a host RFID reader.

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 a wireless mesh network establishment method, apparatus and system of an electronic device system. The method is applied to an electronic device configured with a first wirelessmodule, and the method comprises the following steps: broadcasting own device information through the first wireless module, and receiving the device information of each electronic device from otherelectronic devices through the first wireless module; determining whether itself is a master electronic device or a slave electronic device according to the own device information, the device information of the other electronic devices and a preset rule; if the electronic device is the master electronic device, after a preset time or after preparation is ready, sending information related to networking parameters through the first wireless module, so that the other electronic devices join the network established by the master electronic device as slave electronic devices; and if the electronicdevice is the slave, detecting and obtaining the information related to networking parameters through the first wireless module to join the network established by the master electronic device. Therefore, the wireless mesh network between the electronic devices can be created automatically and flexibly without user operation.

The invention discloses a method and a system for identifying a wireless mesh network. The method comprises the following steps: an MP node selects an identified node as a father node when a new node is accessed into the network and the node is a grid node MP node; a solely marked safe passage exists between the father node and AC; the MP node identifies by using the father node as an identification point; an identification message is transmitted to the AC through the safe passage between the father node and the AC and then transferred to AS by the AC; in the same way, a return message of the AS is transferred to the father node by the AC through the safe passage; the MP node is identified; the identification information is simultaneously stored on the AC so as to identify the MP node for the second time. By adopting the method and the system which are disclosed by the invention, the problem that the access delay is increased because the identification mode adopted in the prior art is fussy is solved.

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 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 networking method for wireless mesh network nodes. The method comprises the steps: enabling each node in a wireless mesh network to receive a private protocol message broadcasted by each node in the mesh network, wherein the message at least carries address information of the node and function parameter information; acquiring the function parameter information of each node according to the private protocol message, and selecting the node with the highest level according to a selection strategy; determining the level information of the node relative to the highest level node according to the private protocol message forwarding path jump information, and broadcasting the level information of the node to each node in the wireless mesh network; and determining a mainnode according to the received information of each node level. According to the invention, the modes of the master node and the slave node are formed in the network, and the master node is arranged inthe network, so that the management of the mesh network is facilitated, the natural defects of the mesh network are overcome, and the mesh network is prevented from forming an invalid network.

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 relates to a networking method and starting configuration equipment of a wireless grid network based on Bluetooth communication, and is applied to the related technical field of communication technology. The method comprise the following steps that the starting configuration equipment acquires networking information from a database when a wireless grid network does not need to be reestablished, wherein the networking information comprises a networking key and a networking log; after receiving broadcast data sent by the Bluetooth device to be networked, the starting configurationequipment sends a networking invitation to the Bluetooth device to be networked and allocates a unique network address code to the Bluetooth device to be networked so as to complete networking configuration of the Bluetooth device to be networked; and the configuration equipment is started to record the network address code into the networking log after the networking configuration is completed soas to update the networking log.

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.

The invention provides a data scheduling method and access network equipment and aims to correct the scheduling information of a present grid according to the historical grid information and predict a grid path and a channel state so as to select a reasonable air interface resource distribution strategy to send the data to a user so that the user is made to acquire enough data to improve network experience of the user. The method comprises steps that a wireless grid is established, and the grid path information of the wireless grid and the historical grid information of each wireless grid are acquired; a present grid of a target user is determined, and the scheduling information of the present grid is acquired; the scheduling information of the present grid is corrected according to the historical grid information of the present grid and preset optimization rules; a grid path and the target data volume are predicted; a channel state of each wireless grid of the grid path is predicted according to the grid path and the historical grid information; the air interface resource distribution strategy is determined according to the target data volume and the channel state of each wireless grid of the grid path.

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 present invention discloses a radio frequency (RF) reader grid and method for facilitating transactions. The RF reader grid includes a transponder, a RFID reader, and a host RFID reader in communication with a merchant system. The secondary and host RFID readers communicate with one another via wireless, RF frequencies. The present invention also discloses a wireless grid that comprises non-radio frequency readers, such as magnetic stripe readers. In addition, a method for using a secondary RFID reader to perform a transaction is disclosed. The method includes the steps of initializing the secondary RFID reader, communication transaction information using the secondary RFID reader and processing the transaction information using a host RFID reader.

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.