2388 results about "Self-organizing network" patented technology

A method called the evolvable interference management (EIM) method is disclosed in this patent for avoiding interference and collision and increasing network throughput and energy efficiency in wireless networks. EIM employs sensitive CSMA / CA, patching approaches, interference engineering, differentiated multichannel, detached dialogues, and / or spread spectrum techniques to solve the interference and QoS problems. EIM-based protocols can considerably increase network throughput and QoS differentiation capability as compared to IEEE 802.11e in multihop networking environments. Due to the improvements achievable by EIM, the techniques and mechanisms presented in this application may be applied to obtain an extension to IEEE 802.11 to better support differentiated service and power control in ad hoc networks and multihop wireless LANs. New protocols may also be designed based on EIM.

When an ad hoc network is formed between short range wireless devices, at least one device assumes the role of an ad hoc network information provider for the new piconet. In this role, the device allocates a browsing hierarchy of service classes in its service registry. The service classes will provide a record to characterize the ad hoc network. When a new wireless device arrives within the communication range of any member of the ad hoc network, its inquiry signals are answered by the first member detecting the inquiry. If that first member is an ad hoc network information provider, it responds with information accessed from its service registry characterizing the ad hoc network. If, instead, an ordinary device in the ad hoc network is the first to respond to the inquiry signals of the arriving device, the device responds with the address of the ad hoc network information provider. The arriving device then pages the ad hoc network information provider to obtain information characterizing the ad hoc network.

An architectural solution in which standalone ad-hoc network cells are used as an extension of the backbone infrastructure in terms of network architecture or / and its service capabilities is provided. These Ad-Hoc networks will integrate to the Internet via cellular and other access networks. This integration brings new possibilities to network operators and ISP's. In its extended architecture, it is envisaged that the mobility issues are handled by utilizing the IP mobility capabilities, taking into account the mobile mesh Ad-Hoc specific requirements.

The present invention details a novel application of wireless networking and digital music technologies to achieve coordinated and synchronized music playback among peer listeners connected by wireless ad-hoc networks. Two or more listeners in local proximity allowed by short-range wireless transmission can participate and listen to the same song at the same time. Moreover, the present invention allows listeners in the transmission range to discover each other through profile matching. A high matching score may indicate similar preference or taste to a certain music style thereby easily locating mutual interests, which would not have been possible.

The present invention generally relates to communication and controlled sharing of digital content among networked users, and is more particularly concerned with creation of an improved sharing network for relaying data among linked nodal members of a social network. An ad hoc network may be a hybrid P2P network that conforms to a virtual peer representation accessible as a single node from outside the given social network nodes. Members of a pre-existing social network may selectively activate embedded latent peers and link to an aggregation node to form a hybrid P2P network. Content may be shared in a controlled distribution according to level rights among participating network nodes. Playlists and / or specialized user interfaces may also be employed to facilitate content sharing among social network members of a virtual peer.

Methods, program products, and systems for ad hoc networking based on content and location are described. A user of a mobile device can identify another user using another mobile device who is close by, if both users have requested to participate in networking. Common interests and experiences of two or more users located close to each other can be identified from content, including automatically created usage data of the mobile devices. Usage data of a mobile device can be created based on activities performed on the mobile device (e.g., songs downloaded), a trajectory of the mobile device (e.g., places traveled), or other public data available from the mobile device (e.g., pictures shared). Each of the users can be notified that another user having the common interests and experiences is close by. A means of initiating communication can be provided to the users to facilitate communication between the users.

Method and apparatus for multi-destination pick using motes. In embodiments, each receptacle may be assigned to a destination and may have a mote that may include an indicator that may be activated by a control system to indicate to the agent that the receptacle is the destination receptacle for a picked item. The agent may then place the item in the indicated destination receptacle. A mote may include a communication interface for communicating with a control system and with other motes in an ad-hoc network. In one embodiment, the mote on the destination receptacle may be activated when the picked item is scanned by the agent. In some embodiments, each receptacle may also have a sensor that detects when an item is placed in the receptacle to deactivate the indicator and / or to verify that the item was placed in the correct receptacle.

An identity and position separation based on internet mainframe accessing method separates the double function of traditional IP address, the IP address is only used as position identify of mainframe, leading-in new name-space one end mainframe identity which is used as identifiers of mainframe and terminal identifier of transmission protocol. Leading-in identity resolver for resolving map relation between mainframe and IP address and dynamically updating binding between end mainframe identifiers and IP address. DNS resolving map relation between domain name and end identifiers and recording identified resolver IP address. In communication process communication node IP address can be changed but communication node EID keeps unchanged. Said invention can make fixation termination, mobile terminal, mobile network, self-organization network etc accessing internet in unitive mode.

Systems and methods are provided that facilitate distributed TDMA communication amongst nodes in an ad hoc wireless network without the need for centralized management and control. A wireless communication device includes a MAC layer that is configured to synchronize its local clock from a beacon frame that is sent by another node in the ad hoc network. After synchronizing its clock to the ad hoc network, the device identifies a timeslot for transmission. When the timeslot arrives, the device senses the channel to determine if there is traffic and if there is no traffic, the device reserves the timeslot by transmitting. In this fashion, a plurality of timeslots can be divided amongst the devices in the ad hoc wireless network for optimized collision free communication using distributed TDMA. This distributed TDMA communication can also be applied across multiple channels in a wireless network to significantly increase bandwidth and quality-of-service.

A clustering based load adaptive sleeping protocol for ad hoc networks includes a plurality of nodes forming a cluster, where the nodes in the cluster are partitioned into n groups. This partitioning is performed based on the node ID (e.g. node_id modulo n). The cluster head transmits a beacon at fixed intervals. The beacon interval is divided into N slots, where N is a multiple of n. Node sleep / activation times are synchronized to the beacon interval slots. The node's group number is used to determine the slots within a beacon interval that a node begins it s sleep cycle. Therefore, no additional signaling is required between nodes to indicate sleep patterns. The sleeping time of each node may be increased when extended periods of inactivity are detected according to an adaptive procedure.

An architectural solution in which standalone ad-hoc network cells are used as an extension of the backbone infrastructure in terms of network architecture or / and its service capabilities is provided. These Ad-Hoc networks will integrate to the Internet via cellular and other access networks. This integration brings new possibilities to network operators and ISP's. In its extended architecture, it is envisaged that the mobility issues are handled by utilizing the IP mobility capabilities, taking into account the mobile mesh Ad-Hoc specific requirements. A trunk node is elected from among nodes within a service area of an Ad-Hoc domain that underlies an access domain. The trunk node acts as a gateway between the nodes within the Ad-Hoc domain and a backbone access network. The election can be performed by the trunk node itself or by a radio resource management entity.

The present disclosure relates to a device and a method for self-automated parking lots for autonomous vehicles based on vehicular networking, advantageous in reducing parking movements and space. It is described a device for self-automated parking lot for autonomous vehicles based on vehicular networking, comprising: a vehicle electronic module for receiving, executing and reporting vehicle movements, a parking lot controller for managing and coordinating a group of vehicles in parking and unparking maneuvers, the vehicle module and controller comprising a vehicular ad hoc networking communication system. It is also described a method comprising moving autonomously in platoon one or more rows of already parked vehicles in order to make available a parking space for a vehicle arriving to the parking space; and moving autonomously in platoon one or more rows of parked vehicles in order to make a parked vehicle able to exit the parking space.

A low power self-organizing network is made up of a plurality of wireless communication nodes communicating wirelessly with each other. The nodes each have a sensor providing a respective sensor data value indicative of a physical parameter in the environment of that node. The wireless network discontinues communication with any nodes in which the sensor data value is outside a range of network sensor data values. The network is preferably a group of vehicles moving together, especially a train in which each node is associated with a respective wheel of a railroad car. The nodes are low-power devices that communicate using wireless communications according to a Zigbee protocol. The nodes each have an additional sensor sensing a physical parameter the respective wheel thereof and determines from said electrical signal a degree of degradation of a bearing of the wheel, and transmits data of the degree of degradation to the main node. The main node communicates with another computer system using a higher power communication system and transmits thereto data indicative of degradation of said bearings.

A method for automatically provisioning a WiFi-equipped machine-to-machine (M2M) device is disclosed. A WiFi M2M gateway identifies a WiFi network identifier broadcast by a powered-on M2M device in WiFi ad hoc mode through a scanning procedure and joins the ad hoc network defined by the M2M device. The WiFi M2M gateway obtains device information (e.g., MAC address) of the M2M device. The WiFi M2M gateway transmits a command to the M2M device to switch from ad hoc mode to infrastructure mode. The WiFi M2M gateway registers the M2M device with an M2M server associated with a service provider based on the device information of the M2M device. The WiFi M2M gateway receives a fully qualified domain name (FQDN) associated with the M2M device from the M2M server.

A system and method of providing distributed election of a shared transmission schedule within an ad hoc network. The invention includes a collision-free access protocol which resolves channel access contentions for time division multiple access (TDMA) of a single channel. Time-slots are organized into part numbers, which are included within sections, a sequence of which define a block. Each node is given a ring number according to its location within the network topology and maintains local neighbor information along with its own part number and message digest. Collision-free channel access is automatically scheduled and repetitious contention phases are resolved by a random permutation algorithm operating in message digests. An empty time-slot utilization method is also described and data packets may also be transmitted subject to a non-zero collision probability within a blind section of the block.

This application discloses methods for creating self-organizing networks implemented on heterogeneous mesh networks. The self-organizing networks can include a computing cloud component coupled to the heterogeneous mesh network. In the methods and computer-readable mediums disclosed herein, a processor receives an environmental condition for a mesh network. The processor may have measured the environmental condition, or it could have received it from elsewhere, e.g., internally stored information, a neighboring node, a server located in a computing cloud, a network element, user equipment (“UE”), and the like. After receiving the environmental condition, the processor evaluates it and determines whether an operational parameter within the mesh network should change to better optimize network performance.

There is described a data collection device that can incorporate an encoded information reading unit that can operate within a system including an access point that is wireline connected to a server. The encoded information reading unit can include at least one of a bar code reading unit, an RFID tag reading unit and a credit / debit card reading unit. Further incorporated in the data collection device can be dynamic access module. The dynamic access communication module enables the data collection device to participate in a self organized network that supports multi-hop data packet transmissions between data collection devices and which further enables the device to transmit data received from a peer device to the system access point.

A system and method is described herein for managing bandwidth and cost in connection with a plurality of sensors in an ad hoc network. The system and method receives sensor data that is provided from a plurality of sensors and constructs an ad hoc network among the plurality of sensors based on the sensor data. The system and method also receives and analyzes bandwidth information from each sensor in a group of sensors in the ad hoc network. Based on the analysis, the system and method then modifies a manner in which at least one sensor in the group exchanges data, including sensor data and multimedia content.

The present invention provides a wireless ad hoc network suitable for sharing data on a peer-to-peer basis between nodes, some of which may be aircraft, having a terminal device comprising a wireless communications transceiver, a sensor, and a computing device. Multiple hops between nodes maximize range of the network. In addition, architectures for terminal devices allow for use of a wide variety of wireless communications transceivers and sensors, without affecting applications that use the network. Such invention may include, among others, a fire fighting application allowing different aircraft to co-ordinate firefighting activities by using shared fire and positional data for aircraft.

Spread spectrum packet-switching radio devices (22) are operated in two or more ad-hoc networks or pico-networks (19, 20, 21) that share frequency-hopping channel and time slots that may collide. The frequency hopping sequences (54) of two or more masters (25) are exchanged using identity codes, permitting the devices to anticipate collision time slots (52). Priorities are assigned to the simultaneously operating piconets (19, 20, 21) during collision slots (52), e.g., as a function of their message queue size or latency, or other factors. Lower priority devices may abstain from transmitting during predicted collision slots (52), and / or a higher priority device may employ enhanced transmission resources during those slots, such as higher error correction levels, or various combinations of abstinence and error correction may be applied. Collisions are avoided or the higher priority piconet (19, 20, 21) is made likely to prevail in a collision.

An ad hoc network organizes itself to provide communications without need for an a priori designated central control mechanism or base stations. Such self-organization is challenging in a multihop ad hoc network having member nodes that are highly mobile and widely distributed. A Synchronous Collision Resolution (SCR) protocol and a Node State Routing (NSR) protocol are well suited to provide efficient ad hoc network organization. SCR is an access protocol that achieves high capacity collision free access using a signaling approach that creates a random cellular-like network after each signaling period. NSR is a routing protocol that uses the dissemination of node states to predict link availability and to assign metrics to those links for the creation of optimized routes. In use, the present invention provides quality of service and supports energy conservation for the mobile nodes.

Mobile routers in a tree-based network topology with a single clusterhead in an ad hoc network establish connectivity based on each attached mobile router sending a neighbor advertisement message to an attachment mobile router via a corresponding egress interface. Any neighbor advertisement message received by a mobile router is used to identify specified network prefixes that are reachable via the source of the neighbor advertisement message. Each attached mobile router outputs to its attachment router another neighbor advertisement message that specifies the network prefix used by the mobile router, and the specified network prefixes from its attached mobile routers. The mobile router also identifies peer mobile routers having the same depth, and selectively shares limited routing information with the peer routers, enabling the mobile router to bypass the clusterhead and reach remote prefixes via the peer routers without burdening the tree.

A system and method for information dissemination in a wireless mobile ad hoc network. A method describes receiving a request to communicate a message from a source node to a destination, identifying each neighbor node of an ad hoc network, invoking a proactive border node broadcast protocol at the source node when the destination is a neighbor node and wherein the number of hops to the destination is less than a predetermined number of hops, invoking an on-demand border node broadcast protocol at the source node when the number of hops from the source node to the destination exceeds the predetermined number, and communicating the message from the source node based on the invoked broadcast protocol. A computer readable medium containing a computer program for information dissemination in a wireless mobile ad hoc network is also provided. Finally, a system for information dissemination in a wireless mobile ad hoc network is described.

A radio link management system for a home or office substantially (i) an ad hoc network of agents wirelessly communicating among themselves, while (iii) clients wirelessly communicate with proximate agents. Control of the network may be centralized as network controller integrated with an agent, or may be distributed upon the network of agents. Some agent or agents, which may include an agent that is also the network controller, typically serves as a gateway device which connects to a worldwide communications network external to the home or office, normally by fiber or by wire.Each agent is most commonly a small radio transceiver plus logic and power supply that mounts upon a wall and plugs directly into an AC power socket. Agents wirelessly communicate among themselves and with the controller-which may be centralized or distributed-in a bandwidth-efficient mode since prime power is not an issue. Each client, which is most commonly a battery-powered user device, wirelessly radio communicates with one or more proximately-located agents. Consistent with overall demand for the radio resource, parameters for radio communication are allocated ad hoc in a manner which is (a) client-dependent, and which (b) uses the least power from the battery-powered client. The agents establish an ad-hoc network among themselves, with routing among and between the agents being both multi-hop and "minimum hop" to conserve bandwidth. Accordingly both power and bandwidth are conserved, each as and where required and desired.

When performing load balancing in a wireless extended self-organizing network (extended SON), network health status is monitored by collecting network measurement data and identifying network nodes that require policy adjustment. Based on the network measurement data, network and / or user policies are automatically adjusted and policy updates are disseminated by a policy and charging rule function module to a packet gateway (PGW) as well as to one or more non-PGW network nodes (e.g., base stations, mobility management entity (MME) nodes, radio network controller (RNC) nodes, and the like). The automated policy updates are locally enforced at the nodes that receive the updates, rather than solely at the PGW node.

An ad-hoc network includes an ad-hoc network coordinator (NC) having a first processor, a first memory, and a first communication interface; and a plurality of ad-hoc network devices (NDs). Each of the NDs includes a second processor, a second memory, and a second communication interface structured to communicate with the first communication interface of the NC or with the second communication interface of at least another one of the NDs. The first processor cooperates with at least some of the NDs to globally optimize a route based on a plurality of link costs for: (i) pairs of the NDs, or (ii) pairs of the NDs and at least one pair including one of the NDs and the NC, in order to minimize cost along the route that: (a) one of the NDs or the NC employs to send a packet to: (b) another one of the NDs or the NC.

A method is provided for sending data in a wireless ad-hoc network including a plurality of nodes grouped into clusters of nodes and a plurality of wireless links connecting the plurality of nodes, where each cluster node has a designated cluster leader node. The method may include sending a cluster-level route request from a source node of a source cluster to a cluster leader node of the source cluster, and determining a cluster-level route between the source cluster and a destination cluster including a destination node responsive to the cluster-level route request and using a plurality of the cluster leader nodes. Furthermore, at least one cluster target node may be designated in a cluster along the cluster-level route, and a node-level route determined from the source node to the destination node including the at least one cluster target node. In addition, the method may also include generating a mission data packet for transferring the data.