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7626998 Communication device, communication node, and method for transmitting a message  
A communication device ( 102 ), communication node ( 104 ), and method for transmitting a message are disclosed. The method includes calculating number of frames ( 402 ) in a message to be...
7593421 Communication control device having multiprocessor  
A communication control device comprising a plurality of network processors for performing high-speed communication among these network processors. The communication device connects a plurality of...
7551564 Flow control method and apparatus for single packet arrival on a bidirectional ring interconnect  
Embodiments of the present invention are related in general to data flow control in a network and in particular to packet flow control in a bidirectional ring interconnect. An embodiment of a...
7529267 Data transmissions in communication networks using multiple tokens  
A network includes multiple nodes interconnected to form a ring topology. These nodes support data transmissions over the network using tokens. To send and receive data over the network, nodes may...
7512147 Method of reserving network bandwidth resources, and communications system and network device using the same  
A communications system whose bandwidth resources can be used more efficiently by reserving them on an individual path basis. Upon receipt of a bandwidth reservation message, a path setup initiator...
7430216 Communication apparatus  
There is disclosed a communication apparatus designed to assure the execution of ring type multi-address data transmission. In order to ensure that a user see a received image, transfer to a next...
7408902 Method of using a radio network controller for controlling data bit rates to maintain the quality of radio links  
A wireless communication method and system for controlling the current data bit rate of a radio link (RL) to maintain the quality of the RL. The system includes a core network (CN), a radio network...
7388872 Dynamic communication channel allocation method and system  
A bandwidth brokering system and method incorporating methodology for supporting self-healing communication rings is disclosed. The present invention utilizes state-based tokens that are...
7376102 Erased frame and idle frame suppression in a wireless communications system  
A method of reducing loading on backhaul communications links in a wireless communications system suppresses a portion of the upward flow of frame information for idle and/or erased frames in...
7369514 Source credit based fairness scheme  
A method and apparatus for minimizing starvation of a station in a ring networked environment includes allocating a tax to each of the stations in the ring, and, for each packet that is to be...
7324488 Method and system for providing an intelligent data concentrator communicatively coupled to a network by a wireless mode  
The present invention presents a method and system for providing an intelligent data concentrator communicatively coupled to a network by a wireless mode. Specifically, the present invention...
7280550 Bandwidth optimization of ring topology through propagation delay compensation  
In a ring topology digital network propagation delay is reduced A master node transmits a clock signal into the network in one direction. Each slave node propagates the signal to the next slave...
7277910 System and method for balancing rings coupling routing platforms  
A ring access system, for use in system having a plurality of routing platforms coupled by redundant rings, that allows access to either ring when a token is received at a first ring if all...
7248601 Method of allocating bandwidth on request to the stations of a local area network  
A method of bandwidth management enabling to insure a guaranteed bandwidth to each station of transmission network comprising a plurality of stations ( 10, 12, 14 ) forming a logical ring wherein a...
7212540 Time slot scheduling for shared-medium communications networks  
A method and apparatus for allocating time slots in a communications network, comprising a headend, a plurality of outstations, and a shared medium connecting each outstation to the headend. The...
7119505 Servo motor control system  
In a servo control system, a numerical control device and at least one servo amplifier are connected to each other with a serial bus to control a servo motor connected to the servo amplifier. In...
7103063 Apparatus and method for facilitating data packet transportation  
A system that facilitate data packet transportation includes multiplexing time-sensitive TDM (Time Division Multiplexed) and other synchronous data, and asynchronous data traffic, onto a...
7069320 Reconfiguring a network by utilizing a predetermined length quiescent state  
A network having a plurality of nodes is reconfigured to reflect a change in topology of the network. In particular, upon receiving a reconfiguration request, each node enters a quiescent state for...
7065039 Fiber optic control network and related method  
A control network comprises multiple master nodes and multiple slave nodes, connected together in a loop configuration by at least one fiber optic cable. The master nodes share concurrent control...
7046622 Multi-tier, hierarchical fiber optic control network  
A control network comprises multiple master nodes and multiple slave nodes, connected together in a loop configuration by at least one fiber optic cable. The master nodes share concurrent control...
7046621 Redundant multi-fiber optical ring network  
A control network comprises multiple master nodes and multiple slave nodes, connected together in a loop configuration by at least one fiber optic cable. The master nodes share concurrent control...
6999460 Arbitrated loop port switching  
A hub connects groups of nodes to form a separate communication loop permitting access to the full bandwidth of the separate communication loop. The switching hub may operate from a subset of the...
6978090 Optical network architecture  
A communications network having two complementary optical networks each connectable to a headend, each optical network comprising a plurality of periodic interleaving filters serially connected by...
6965560 Multi-tier, hierarchical fiber optic control network  
A control network comprises multiple master nodes and multiple slave nodes, connected together in a loop configuration by at least one fiber optic cable. The master nodes share concurrent control...
6961345 System, method and apparatus for data transmission  
A data transmission system including first and second source devices for transmitting video data (isochronous data) outputted from first and second data output units, and a sink device for...
6961306 Fiber optic control network and related method  
A control network comprises multiple master nodes and multiple slave nodes, connected together in a loop configuration by at least one fiber optic cable. The master nodes share concurrent control...
6920508 WDM ring network  
A WDM ring network and method for distributing within such ring network for feeding in data and for distributing both working signals and protection signals on different transmission paths and in...
6904048 Sanitizing fiber channel frames  
A system and method of sanitizing a data frame from a node in a network loop includes receiving the data frame from the node, and, when the data frame includes invalid data, replacing a first word...
6885676 Broadcasting control system and method in ATM ring network  
In a broadcasting control system in an ATM ring network in which a control cell containing control information is transmitted by ATM (Asynchronous Transfer Mode) between a plurality of nodes...
6816504 Method and apparatus for transferring deterministic latency packets in a ringlet  
Briefly, in accordance with one embodiment of the invention, a method of using a bypass buffer in a node coupled to a ringlet includes the steps of: writing a packet of binary digital signals on...
6807190 Survivable distribution of broadcast signals in loopback rings  
A node for use in a multi-source ring transmission system includes a controller and storage. Identifiers, such as ring addresses, for the relative first and relative last source nodes within the...
6795865 Adaptively changing weights for fair scheduling in broadcast environments  
Adaptively changing weights for fair scheduling in broadcast environments. In one embodiment, a computer-implemented method allocates bandwidth among a plurality of flows, such as nodes, sharing an...
6700892 Communication system for E1/T1  
A method of exchanging data streams between a local exchange and a number of access devices for serving a plurality of destination users, the method comprises the steps of: (a) providing a local...
6675247 Loop formation eliminating apparatus of a serial bus system and method thereof  
An apparatus for eliminating a loop formation in a serial bus system (IEEE1394) and a method therefore are disclosed. The apparatus includes a control state. The method includes judging whether a...
6657951 Backup CRF VLAN  
A backup CRF VLAN arrangement provides an alternate, redundant path for traffic between undistributed Concentrator Relay Functions (CRFs) located on separate switches interconnected by trunk links...
6600753 Sanitizing fibre channel frames  
A system and method of sanitizing a data frame from a node in a network loop includes receiving the data frame from the node, and, when the data frame includes invalid data, replacing a first word...
6563833 Combinatorial design method and apparatus for multi-ring networks with combined routing and flow control  
A method and apparatus are disclosed for designing multi-ring networks based on generalized quadrangles of combinatorial design theory, together with a scaling algorithm for realizing networks of...
6504823 Network monitoring system and method thereof  
A master node and slave nodes which are connected in a ring-like manner transmit commands in one direction, each of the nodes transmits a state monitoring command for monitoring the operational...
6501761 Modular network switch with peer-to-peer address mapping communication  
Modules of a network switch receive data transmissions from network stations via its I/O ports, each data transmission including an address of a source network station sending the transmission and...
6496514 Old-port node detection and hub port bypass  
A hub port in a Fibre Channel loop for detecting and bypassing attached node ports in an OLD-PORT state is disclosed. The hub port includes a hub data source, a detect circuits, and an output...
6487606 System and method for delivering messages through a totem communications system  
An improvement is disclosed for a Totem system having a network and a plurality of host processors connectable to the network, each of which host processors includes a CPU and is configured for...
6453259 Vehicle entertainment system having built-in test environment server  
Line or shop replaceable units (LRUs or SRUs) of a vehicle entertainment system are programmed as microservers to receive and carry out requests for testing the LRUs/SRUs from a browser connected...
6414941 Ring network supervisory system  
A communication frame has a counter value which is updated each time the communication frame passes through a node, and a source address. Therefore, upon receiving the communication frame, the node...
6377998 Method and apparatus for performing frame processing for a network  
An improved frame processing apparatus for a network that supports high speed frame processing is disclosed. The frame processing apparatus uses a combination of fixed hardware and programmable...
6373826 Spanning tree algorithm  
In the situation that data switching is incorporated in a wide area telecommunications network it is advantageous to use a local area network protocol such as ethernet which allows network...
6330245 Hub system with ring arbitration  
A data network hub unit is stackable with other such units to constitute a hub in which each of the units can supply data packets to network data destinations and receive data packets from network...
6320871 Communication network  
A master station 1 1 produces a token packet for isochronous data in which a slave station 1 2 and slave stations 1 3 and 1 4 serving as a sending station and receiving stations are designated...
6278695 Multi-port LAN switch for a token-ring network  
A multi-port LAN switch is provided that enables attached network devices to both communicate directly and to insert into a token-ring network through an attached concentrator. Each port of the...
6229816 Combining network and mechanism for allocating resources of such a network  
A network for interconnecting network equipment units via a ring optimizes access to the ring by the equipment units in that the capacity of the ring is permanently shared between the various...
6201816 Token ring speed detection  
A method of inserting an end station (6-8) into a token ring network (2). The end station (6-8) attempts to open into the ring network in one insertion mode, the end station responding to an...
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