Matches 1 - 50 out of 199 1 2 3 4 >
Match Document Document Title
7403780 Hybrid open/closed loop filtering for link quality estimation  
A method of adapting a communication link in a network of radio communication nodes is disclosed, The method includes sending by a first node a first radio communication, The method also includes...
7401740 RFID tag and communication protocol for long range tag communications and power efficiency  
An RFID tag has a frequency agile RF transceiver that transmits data from the RFID tag to a reader and a direct sequence spread spectrum RF receiver that receives communications from the reader....
7397867 Mapping radio-frequency spectrum in a communication system  
Methods and systems for analyzing or mapping portions of the radio frequency spectrum are provided. In one embodiment of the invention, a communication method is provided, with a first step of the...
7397810 Artery nodes  
A method of communicating over a network of nodes is disclosed. According to the method, it is determined whether a first node forms part of an interconnected sub-network within the network....
7382799 On-demand broadcast protocol  
A method of communicating over a network of nodes using a plurality of time slots is disclosed. According to the method, at least one of the plurality of time slots are assigned to a first node....
7379447 Slotted seeded channel hopping for capacity improvement in wireless networks  
A system and method that increases the capacity of a wireless network using frequency diversity. A user switches between channels of a network using a single network interface card in such a manner...
7379432 Hybrid coordination function (HCF) access through tiered contention and overlapped wireless cell mitigation  
A method and system reduce interference between overlapping first and second wireless LAN cells in a medium. Each cell includes a respective plurality of member stations and there is at least one...
7379374 Virtual ground circuit for reducing SRAM standby power  
A method of operating a memory circuit having a plurality of blocks of memory cells ( 400 - 404 ) is disclosed. The method includes storing data in the plurality of blocks of memory cells. A first...
7372818 Mobile vehicle quiescent cycle control method  
The present invention provides a method of accessing a quiescent mobile vehicle using a wireless communication system. At least one transmit power parameter of a vehicle communication device is...
7359972 Time division multiple access/time division duplex (TDMA/TDD) transmission media access control (MAC) air frame  
A time domain multiple access/time division duplex (TDMA/TDD) media access control (MAC) transmission frame includes: one or more dynamically allocatable control packets for providing control...
7359971 Use of priority-based scheduling for the optimization of latency and jitter sensitive IP flows in a wireless point to multi-point transmission system  
A quality of service (QoS) aware, wireless point to multi-point telecommunications system includes: a wireless base station coupled to a first data network; one or more host workstations coupled to...
7352770 Media access control protocol with priority and contention-free intervals  
An access contention scheme having both multi-level priorities and a contention-free access indicator for use by a station in a network of stations. When a contention control indicator is detected...
7349441 Method for optimizing communication within a wireless network  
A system and method for providing a MAC protocol that optimizes communication within a wireless network. Specifically, the system and method operates with Mobile Terminals, Fixed References and at...
7349380 System and method for providing an addressing and proxy scheme for facilitating mobility of wireless nodes between wired access points on a core network of a communications network  
A communications network which is capable of effectively and efficiently handling mobility of wireless user terminals between access point nodes of a packet-switched network with minimal overhead...
7349378 Local area network resource manager  
Aspects of the invention provide a method and system for managing or coordinating data transmission in a Local Area Network (LAN) such that Quality of Service (QoS) concerns are met. A LAN resource...
7324468 System and method for medium access control in a power-save network  
A method and apparatus for accessing, controlling and utilizing a network communication medium. Various aspects of the present invention may comprise a first networked device with power-save...
7319688 LAN with message interleaving  
A method for mobile communication includes arranging a plurality of access points in a wireless local area network (WLAN) to communicate on a common frequency channel with a mobile station, and...
7310380 Generic transmission parameter configuration  
A method of determining transmission parameters for a wireless transceiver is disclosed. According to the method, a state table is loaded into a transceiver. The state table includes a plurality of...
7301932 Method and system for multiple access in a radiocommunication system  
A method for multiple access in a radiocommunication system which avoids forming a signaling multiframe with an inflexible turn of transmission. A fixed unit broadcasts over a pilot channel a...
7298724 In-band QoS signaling reference model for QoS-driven wireless LANs  
A station, such as a point coordinator (PC) or a non-PC station, in a basic service set (BSS) in a wireless local area network (WLAN) is disclosed. The station includes a frame classification...
7298691 Method and protocol to adapt each unique connection in a multi-node network to a maximum data rate  
A rate-adaptive mechanism for optimizing transmitter/receiver connections on a carrier-by-carrier basis for maximum date rate based on channel attributes for that connection and direction. Channel...
7284268 System and method for a routing device to securely share network data with a host utilizing a hardware firewall  
A system and method for providing the ability to selectively share data in a network routing device with an associated host. The system and method employs a hardware firewall in the routing device...
7281187 Using error checking bits to communicated an address or other bits  
A method of operating in a network in which a plurality of stations communicate over a shared medium. The method comprises transmitting a group of bits from a transmitting station to a receiving...
7280555 System and method employing algorithms and protocols for optimizing carrier sense multiple access (CSMA) protocols in wireless networks  
A system and method for achieving enhanced CSMA/CA which improves channel availability and quality of service (QoS) in a wireless communications network. The system and method establish channels to...
7280545 Complex adaptive routing system and method for a nodal communication network  
A complex adaptive routing system and method for routing data packets in a nodal network, in particular, an ad-hoc nodal network. Each data packet contains data representing its routing strategy...
7280517 Wireless LANs and neighborhood capture  
Overlapped wireless LAN cells in a medium have an equal chance at establishing a session on the medium. A first member station in the first cell transmits a timing packet containing a timestamp...
7280483 System and method to improve the network performance of a wireless communications network by finding an optimal route between a source and a destination  
A system and method for calculating an optimal route at a node by making use of routing metrics which if carefully chosen, can provide stability to the network and also provide features like Self...
7277415 Staggered startup for cyclic prioritized multiple access (CPMA) contention-free sessions  
A staggered startup method and system for a cyclic prioritized multiple access (CPMA) system reduce interference between overlapping first and second wireless LAN cells contending for the same...
7277413 Hybrid coordination function (HCF) access through tiered contention and overlapped wireless cell mitigation  
A method and system reduce interference between overlapping first and second wireless LAN cells in a medium. Each cell includes a respective plurality of member stations and there is at least one...
7274708 Random medium access methods with backoff adaptation to traffic  
Using low PF values in conjunction with traffic-adapted contention windows leads to substantial decreases in delay and jitter. In general, adaptation to traffic reduces contention or delay: opening...
7266104 Time division protocol for an AD-HOC, peer-to-peer radio network having coordinating channel access to shared parallel data channels with separate reservation channel  
An ad-hoc, peer-to-peer radio system includes a series of radio terminals forming a service group, each radio terminal having a transceiver for communicating with terminals in the same service...
7251218 Method and computer program product for internet protocol (IP)-flow classification in a wireless point to multi-point (PtMP) transmission system  
A system and method for Internet Protocol (IP) flow classification group IP flows in a packet-centric wireless point to multi-point telecommunications system is disclosed. The method comprises...
7248600 ‘Shield’: protecting high priority channel access attempts in overlapped wireless cells  
A method and system reduce interference between overlapping first and second wireless LAN cells contending for the same medium. Each cell includes a respective plurality of member stations. An...
7245605 Preemptive packet for maintaining contiguity in cyclic prioritized multiple access (CPMA) contention-free sessions  
An access point transmits a preemptive peg packet when it has no data to transmit in order to maintain the contiguity of its transmission timing position with respect to the timing position of...
7245604 Fixed deterministic post-backoff for cyclic prioritized multiple access (CPMA) contention-free sessions  
A cyclic prioritized multiple access (CPMA) method is disclosed which includes Fixed Deterministic Post-Backoff. Fixed deterministic post-backoff reduces conflicts between access points of...
7227852 Wireless transmission system, wireless transmission method, wireless reception method, transmitting apparatus and receiving apparatus  
A wireless transmission system is provided in a place where two or more wireless networks uncoordinated to each other are located and are subjected to receive mutual interference. This system can...
7221686 System and method for computing the signal propagation time and the clock correction for mobile stations in a wireless network  
A system and method for enabling a node, such as a mobile user terminal in a wireless communications network, such as an ad-hoc network, to effectively and efficiently determine a clock correction...
7215966 System and method for determining location of a device in a wireless communication network  
A system and method for message exchanges in a wireless communication network which minimize network overhead and offers fast determination of Coordinates of a device. A system and method controls...
7215638 System and method to provide 911 access in voice over internet protocol systems without compromising network security  
A system and method to provide emergency call access in Voice over Internet Protocol (VoIP) systems without compromising network security. The system and method enables VoIP emergency signal...
7212504 Time division protocol for an ad-hoc, peer-to-peer radio network having coordinating channel access to shared parallel data channels with separate reservation channel  
A novel protocol for an ad-hoc, peer-to-peer radio network that provides collision-free channel access with an emphasis on improving geographic reuse of the frequency spectrum. The protocol of the...
7206294 Movable access points and repeaters for minimizing coverage and capacity constraints in a wireless communications network and a method for using the same  
A system and method for improving the ability of a wireless communications network, such as a packet-switched data communications network, to provide service to mobile user terminals. The system...
7203497 System and method for accurately computing the position of wireless devices inside high-rise buildings  
A system and method for providing a network of wireless devices including Mobile Terminals, Wireless Routers and a Local Control within a high rise building or other three dimensional deployment...
7203204 Method and apparatus for multiple access in a communication system  
A communication system comprising three communication resources: a contention-type access block, a non-contention access block and a second non-contention access block called a reserved block. Each...
7200149 System and method for identifying potential hidden node problems in multi-hop wireless ad-hoc networks for the purpose of avoiding such potentially problem nodes in route selection  
A system and method for identifying potential hidden node problems in a multi-hop wireless ad-hoc communication network, such as an 802.11 network. The system and method evaluates the relationship...
7197016 Time division protocol for an ad-hoc, peer-to-peer radio network having coordinating channel access to shared parallel data channels with separate reservation channel  
A novel protocol for an ad-hoc, peer-to-peer radio network that provides collision-free channel access with an emphasis on improving geographic reuse of the frequency spectrum. The protocol of the...
7190672 System and method for using destination-directed spreading codes in a multi-channel metropolitan area wireless communications network  
A system and method for enabling a node in a mobile wireless ad-hoc communications network to use a particular spreading code to spread a message to be transmitted to a destination node without...
7181214 System and method for determining the measure of mobility of a subscriber device in an ad-hoc wireless network with fixed wireless routers and wide area network (WAN) access points  
A system and method for determining the mobility of a node in a network, such as a wireless ad-hoc network that requires the node to share its information with other mobile and stationary nodes,...
7180905 Access method for periodic contention-free sessions  
An access method for periodic contention-free sessions (PCFS) reduces interference between overlapping first and second wireless LAN cells contending for the same medium. Each cell includes a...
7180875 System and method for performing macro-diversity selection and distribution of routes for routing data packets in Ad-Hoc networks  
A communications network which is capable of effectively and efficiently handling fading between mobile wireless user terminals of a packet-switched network with minimal overhead and packet loss,...
7180855 Service interface for QoS-driven HPNA networks  
An out-of-band signaling model media control (MC) terminal for an HPNA network includes a QoS management entity (QME) and an admission control entity (ACE) and provides end-to-end QoS by passing...
Matches 1 - 50 out of 199 1 2 3 4 >