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| Number | Title | Issue Date |
| 8068428 | System and method for performing topology control in a wireless network A system and method for performing topology control in a wireless network (100). The system and method operate to enable a node (102-1) to determine the link cost of a link between itself and another node (102-2), based on the numb... | 11/29/2011 |
| 8014415 | Apparatus, system and method for communicating information in a wireless communication network Techniques are provided for communicating a data stream in a wireless communication network. A source divides the data stream into a first data sub-stream and a second data sub-stream. The first data sub-stream can be modulated using a first modulation technique to ... | 09/06/2011 |
| 7929968 | System and method to facilitate inter-frequency handoff of mobile terminals in a wireless communication network A system and method for facilitating inter-frequency handoff of a mobile node (102) in a wireless communication network (100). The system and method permit a mobile node (102), equipped with a single receiver, to perform handoffs seamlessly from... | 04/19/2011 |
| 7920586 | System and method for selecting a medium access technique for transmitting packets over a network A system and method for transmitting packets in a network (100). A node (102, 106, 107) in the network (100) accesses uses one of a plurality of medium access techniques for transmitting packets on the network (100). The node (102, 106... | 04/05/2011 |
| 7904945 | System and method for providing security for a wireless network A system and method for providing secure communication between nodes (102, 106, 107) in a wireless multihopping communication network (100). The system and method achieve secure communication in a multihopping wireless network (100) by, for exam... | 03/08/2011 |
| 7830842 | System and method for determining the mobility of nodes in a wireless communication network A system and method for determining the mobility of a node (102) in a wireless communication network (102). The system and method determine the distance between the node (102) and at least one stationary neighboring node (102, 106, 107) a... | 11/09/2010 |
| 7796570 | Method for sparse table accounting and dissemination from a mobile subscriber device in a wireless mobile ad-hoc network A system and method for performing continuous accounting on a mobile node within a wireless ad-hoc network, using a sparse matrix method for compaction of the accounting data when forwarding data to a core network. The system and method perform continuous accounting... | 09/14/2010 |
| 7773569 | System and method for efficiently routing data packets and managing channel access and bandwidth in wireless multi-hopping networks A method for routing data packets from a source to a destination in a wireless communication network comprising a plurality of nodes, wherein each node is in uplink-downlink association with at least one neighboring node, and wherein each node comprises a registrati... | 08/10/2010 |
| 7756041 | Embedded routing algorithms under the internet protocol routing layer of a software architecture protocol stack in a mobile Ad-Hoc network A novel software architecture protocol stack with embedded routing algorithms under the Internet Protocol (IP) routing layer in order to provide high quality distribution of multimedia (voice, video, and data) services. These routing algorithms may include Logical L... | 07/13/2010 |
| 7742446 | System and method for performing distributed signal classification for a multi-hop cognitive communication device A system and method for cognitive communication device operation. In accordance with the system and method, a node (102, 106, 107) that communicates in a wireless multihopping communication network (100) uses a receiver (302, 402, 502, 602) to a... | 06/22/2010 |
| 7734809 | System and method to maximize channel utilization in a multi-channel wireless communication network A system and method for data transmission using a multichannel medium access control (MAC) protocol to send small messages on the reservation channel directly without any RTS/CTS handshake or channel switching delays. The message is assigned a special type so that i... | 06/08/2010 |
| 7733766 | System and method for providing quality of service provisions and congestion control in a wireless communication network A system and method for providing a traffic control scheme for QoS provision and congestion control across multiple interfaces of wireless nodes (102, 106 and 107), such as wireless access points (107 and 106), communicating in a wireless... | 06/08/2010 |
| 7710986 | Multicast architecture for wireless mesh networks A multicast architecture and method of operation for multi-hop wireless mesh networks is provided. The multicast architecture is above the network infrastructure to identify a group of clients. These clients share the same application and communicate to each other b... | 05/04/2010 |
| 7706776 | Scheme for MAC address privacy in infrastructure-based multi-hop wireless networks A system and method for enhancing media access control (MAC) address privacy in a multi-hop wireless network, comprising providing at least one node which generates a temporary MAC address for itself for use in the network by at least one other node, and which ensur... | 04/27/2010 |
| 7706390 | System and method for routing packets in a wireless multihopping communication network A system and method for routing packets in a multihopping wireless communication network (100). The system and method selects a node (106-1) of the wireless network (100) to operate as an aggregation point, at which two or more possible r... | 04/27/2010 |
| 7697420 | System and method for leveraging network topology for enhanced security A system and method for locating and using multiple routes to transmit sub-packets of data from a source node to a destination node in an ad-hoc network, thus preventing intermediate nodes in any one transmission path from intercepting a useful amount of information... | 04/13/2010 |
| 7697414 | System and method for achieving crest factor reduction for multi-carrier modulation in a wireless communication network A system and method for achieving crest factor (CF) reduction for multi-carrier modulation in a wireless communication network (100), such as an ad-hoc peer-to-peer multi-hopping mobile wireless communication network (100). The system and method use th... | 04/13/2010 |
| 7693051 | System and method for controlling congestion in multihopping wireless networks A system and method to control congestion in a multihopping wireless communication network (100). The system and method distribute the congestion information back to the ingress points (106) and traffic source nodes (102, 106, 107) in the networ... | 04/06/2010 |
| 7672246 | System and method for using per-packet receive signal strength indication and transmit power levels to compute path loss for a link for use in layer II routing in a wireless communication network A system and method for evaluating at least one communication link between a transmitting node and a receiving node in a communications network. The system and method perform the operation of assigning respective link quality values to the respective communication l... | 03/02/2010 |
| 7656901 | Software architecture and hardware abstraction layer for multi-radio routing and method for providing the same A system and method that creates an abstraction of the physical layer of a wireless communication network (100), in particular, a wireless ad-hoc peer-to-peer communication network (100), and that normalizes the feedback from the physical layer to enab... | 02/02/2010 |
| 7620076 | System and method for variably inserting training symbols into transmissions by estimating the channel coherence time in a wireless communication network A system and method for controlling the quantity of training symbols in a transmission sequence sent by a terminal (102, 106, 107) in a wireless network (100). The transmission sequence include training symbols and data symbols. The system and method d... | 11/17/2009 |
| 7613458 | System and method for enabling a radio node to selectably function as a router in a wireless communications network A system and method for enabling a mobile user terminal in an ad-hoc packet-switched wireless communications network to selectably operate as a router for other mobile user terminals in the network based on certain criteria. The user terminal comprises a transceiver... | 11/03/2009 |
| 7610027 | Method and apparatus to maintain specification absorption rate at a wireless node A system and method for medium access control (MAC) protocol which controls transmissions in wireless devices to at least substantially comply with specific absorption rate (SAR) limits. The system and method of MAC protocol uses “source-based” time averaging me... | 10/27/2009 |
| 7609641 | System and method for providing a congestion-aware routing metric for selecting a route between nodes in a multihopping communication network A system and method for calculating a routing metric that can select the route providing the best throughput in a multihopping network (100), based on one or more parameters including completion rates, data rates, MAC overhead and congestion. The system and m... | 10/27/2009 |
| 7606187 | System and method to support multicast routing in large scale wireless mesh networks Provided is a system and method for a multicast routing algorithm to work in infrastructure based mesh networks. It chooses access points, fixed infrastructure gateway nodes connected to each other and/or the global internet via a wired/wireless backbone, as a group... | 10/20/2009 |
| 7606176 | System and method to improve the performance of an on demand routing protocol in a wireless network A system and method for improving the performance of an on-demand routing protocol in a wireless network is provided. The invention provides improved system performance of a wireless network by enabling nodes following an on-demand routing protocol to process (and p... | 10/20/2009 |
| 7561884 | System and method for automated tracking of assets using location measurements and ad-hoc routing algorithms A system and method for automated visual tracking of assets (302), such as personnel or vehicles, using location measurements and ad-hoc routing algorithms employed in a wireless multihopping communication network (100). The system and method comprise ... | 07/14/2009 |
| 7561542 | System, method and apparatus for determining if data from a source has arrived properly at a destination in a time division multiplex (TDM) communication network A first time division multiplex (TDM) time slot is provided which is defined as a bi-directional channel for use in a TDM network including a source node and a destination node. The source node can transmit data to the destination node in a first portion of a first ... | 07/14/2009 |
| 7558818 | System and method for characterizing the quality of a link in a wireless network A system and method for characterizing the quality of a link, in particular, a bi-directional link, between nodes in a wireless communication network, such as a wireless ad-hoc peer-to-peer network, with minimum network overhead. The system and method determine the ... | 07/07/2009 |
| 7542478 | System and method for rate limiting in multi-hop wireless ad hoc networks A system and method to avoid and control the bottleneck points in multi-hop wireless ad-hoc networks is described. This is achieved by using the overheard RTS/(N)CTS information to compute a weighted combination of the node's and neighbors weighted queue size. Rate ... | 06/02/2009 |
| 7483705 | System and method for inputting location coordinates into fixed position reference devices used in geo-location applications A system and method for providing geographic location information to of at least one fixed reference device in a wireless network, the method comprising: determining a geographic location of the at least one fixed reference device within an image, such as a Geograph... | 01/27/2009 |
| 7483413 | System and method for managing communication links between nodes in a wireless communication network A system and method for management of communication links between nodes in a wireless communication network (100). The system and method perform the operations of estimating an expected rate of change in the characteristics pertaining to communication over a ... | 01/27/2009 |
| 7447174 | System and method for detecting node mobility based on network topology changes in a wireless communication network Techniques are provided for determining mobility of a first node in an ad hoc network. A particular node generates a fixed neighbor node table comprising second nodes in the area of the particular node which are not mobile. The particular node can monitor changes be... | 11/04/2008 |
| 7433691 | System and method for enabling an access point in an ad-hoc wireless network with fixed wireless routers and wide area network (WAN) access points to identify the location of subscriber device A system and method which enables access points in a wireless ad-hoc communications network to effectively and efficiently determine the approximate location of a mobile node without performing a broadcast flood. The system and method enables a message to be efficie... | 10/07/2008 |
| 7433322 | Method and system for measuring the time-of-flight of a radio signal A method and system for measuring the time-of-flight (TOF) of a radio signal is described herein. According to various implementations, the system uses multiple antennas, each of which receives direct path radio signals and reflected radio signals. In various implem... | 10/07/2008 |
| 7412241 | Method to provide a measure of link reliability to a routing protocol in an ad hoc wireless network A system and method for locating optimal routes between source and destination nodes in a communications network, in particular, a wireless ad-hoc communications network by employing a link reliability algorithm that estimates the reliability of links between nodes ... | 08/12/2008 |
| 7409220 | Autonomous reference system and method for monitoring the location and movement of objects The present invention relates to a system and method for deploying devices, such as routers (107) and mobile nodes (102) or tags, that communicate in a wireless multihopping ad-hoc communication network (100), that enables a monitoring system su... | 08/05/2008 |
| 7408911 | System and method to decrease the route convergence time and find optimal routes in a wireless communication network A system and method for decreasing the route convergence time in a wireless communication network, such as a wireless ad-hoc peer-to-peer network, by finding an alternate route if the nodes anticipate weakening or breakage of a route currently in use. The system and... | 08/05/2008 |
| 7403492 | Method to support multicast routing in multi-hop wireless networks A system and method for supporting multicast in highly dynamic wireless multi-hop networks, such as ad-hoc networks, with good scalability. The system and method provide a multicast routing algorithm to work in wireless ad-hoc networks without any fixed infrastructu... | 07/22/2008 |
| 7382804 | Bandwidth efficient system and method for ranging nodes in a wireless communication network The present invention provides a bandwidth efficient system and method of measuring the range between nodes (102, 106, 107) in a wireless communications network (100) with one-way data transfer, where each node (102, 106, 107) periodically trans... | 06/03/2008 |
