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Multiplex Communications > Channel Assignment Techniques > Carrier Sense Multiple Access (csma) > Arbitration For Access Between Contending Stations Arbitration For Access Between Contending StationsArbitration For Access Between Contending Stations patent applications listed are from June 2005 to current and include Date, Patent Application Number, Patent Title, Patent Abstract summary and are linked to the corresponding patent application page.09/13/07 - 20070211751 - Methods and systems for detecting collisions in access/utilization of resources of contention Systems and methods are described for detecting collisions in packets related to attempted access or utilization of a resource or pool of resources in a given timeslot in which the energy level of corrupted received access probe packets are compared with a threshold energy level, and if above the threshold, ... 06/21/07 - 20070140290 - Device network interface The terminal device has a network transceiver and a processor having a first program to cause the processor to transmit a packet of data using the network transceiver in accordance with a data transmission protocol. The first program begins transmission of a packet by sending data to a transmit signal ... 04/19/07 - 20070086474 - Method for estimating a map size in a wireless mobile communication system A method is provided for estimating the size of a MAP region according to data burst allocation in a wireless mobile communication system. A data burst region is divided into at least one sub-region. A downlink frame is constructed with at least one sub-region such that a power boosting process ... 04/12/07 - 20070081549 - Network tap/aggregator configured for power over ethernet operation A network tap device array capable of being powered by a power-over Ethernet (“POE”) supply is disclosed. The array enables data from multiple nodes in a communications network to be tapped and forwarded to a plurality of monitoring devices. In one embodiment the network tap device array includes a chassis ... 03/15/07 - 20070058665 - Unified channel access for supporting quality of service (qos) in a local area network Contention communications often requires a station to wait an inordinate amount of time before the station is able to transmit its data successfully. In many applications, an extended delay is not acceptable. Contention-free communications in a contention period allows a hybrid coordinator (HC) to schedule contention-free access to a communications ... 03/15/07 - 20070058664 - Method and apparatus for lifetime maximization of wireless sensor networks A method and apparatus for distributed routing at the network layer of a network is disclosed that integrates contention resolution properties from the MAC layer. In one embodiment, an energy constraint is used in routing at the network layer of a network to determine a first parameter representing the optimal ... 03/15/07 - 20070058663 - Flexible collision detection serial bus transceiver apparatus and method A vehicle diagnostic tool includes an asynchronous serial communications device for communicating with an automobile using a digital communication system having a dominant/recessive bus. The device includes a transmitter configured to communicate over the dominant/recessive bus, a sensor capable of sensing the state of the dominant/recessive bus and a collision ... 03/15/07 - 20070058662 - Methods and systems for utilization of resources of contention under any load to facilitate desired bandwidth across single or multiple classes of devices Methods and systems for controlling utilization of resources(s) of contention by a plurality of devices of a single or multiple priority classes. A utilization scaling factor is determined for each class for the resource(s) and compared with a threshold value. An apersistence property pattern is then created for each class ... 02/01/07 - 20070025388 - Range extension between two wireless devices A mechanism is provided to extend the range of wireless devices beyond the range limit that results from timing restrictions imposed by the IEEE 802.11 standard. The mechanism, which operates at the upper level of the 802.11 MAC, determines whether the wireless devices are far apart or not far apart. ... 02/01/07 - 20070025387 - Efficient encoding of out of order data packets in a network An apparatus and system for encoding out of order data packets in a network are described. At a source unit, an out-of-order parameter is selected as the maximum out of order range value of data packets to be encoded with a minimum header size. A shifting parameter is then calculated ... 01/18/07 - 20070014305 - A system and method for formatted inter-node communications over a computer network. A system and method for formatted inter-node communications over a computer network comprises a transmitting node transmitting a message in a format acceptable to the receiving node. Message templates are created by the receiving node and then stored in a repository accessible by both the transmitting node and the receiving ... 12/28/06 - 20060291499 - Method and apparatus for efficient bandwidth utilization for subscriber unit initialization and synchronization in a time-synchronized communication system A bandwidth efficient subscriber unit initialization and synchronization method and apparatus is described. The inventive subscriber unit initialization and synchronization method and apparatus uses a combination of an access burst format and a data transportation technique to efficiently use bandwidth when initializing and synchronizing subscriber units in a time-synchronized communication ... 11/30/06 - 20060268925 - Area efficient implementation of the consecutive access counter An arbitration unit grants access to a shared resource to one of a plurality of devices. A consecutive access register corresponds to each device. A consecutive access counter is operable to load data stored in a selectable consecutive access register and count down each operating cycle. An arbitration control unit ... 11/09/06 - 20060251103 - Apparatus and method for reattempting to execute command in network management system An apparatus and method for reattempting to execute a command in a network management system include in reattempting execution of the command in the network management system, a reattempt period is increased as a reattempt count increase. Thereby, system and network resources used to reattempt the execution of the command ... 10/12/06 - 20060227802 - Method and apparatus for implementing medium access control in wireless distributed network An embodiment of the present invention includes a medium access control method in a wireless distributed network which comprises the steps of: transmitting a CTS packet after delaying for an SIFS time interval, when a node in the network receives a RTS packet addressed to the node; detecting a channel ... 10/12/06 - 20060227801 - Method and apparatus for an ad-hoc wireless communications system An IBSS that allows token passing for round-robin service of QoS flows is disclosed (an RRBSS). The RRBSS permits low-latency, reduced contention, distributed scheduling useful in any ad hoc network, but particularly suitable for high data rates. Distributed scheduled access is provided for flows through a round-robin token passing service ... 08/03/06 - 20060171410 - Dynamic priority based message transmitting apparatus, priority adjusting apparatus using the same, and dynamic priority message processing method A dynamic priority based message transmitting apparatus includes a priority storing block for recording priorities in a communication network environment having multitude nodes and recording the lowest priority among the priorities, a communication bus monitoring block for monitoring a communication bus and transmitting its message when the communication bus is ... 06/22/06 - 20060133408 - Beaconless communication system The present invention relates to an energy efficient mechanism for establishing and maintaining a communication between nodes (A . . . F) in a wireless communication system. In particular, it relates to a distributed low power medium access control (MAC) mechanism for sharing the communication means in a wireless communication ... 06/22/06 - 20060133407 - Content sharing in a communication system A method provides control of access to shared content in a communication system. The method comprises obtaining presence information with at least one access criterion associated with an access to shared content. The method further comprises receiving an access request requesting an access to at least one part of the ... 06/08/06 - 20060120400 - Bidirectional communication control apparatus, terminal apparatus, and bidirectional communication control method A terminal apparatus of a communication system is provided with an MAC section (bidirectional communication apparatus), a PHY section, a tuner, and a back-end section. The MAC section comprises a downstream data processing block having a function of substituting for a portion of the process of the CPU, a upstream ... 05/11/06 - 20060098682 - High level message priority assignment by a plurality of message-sending nodes sharing a signal bus A system has a plurality of nodes communicating with each other on a serial data path using dominant and recessive signal levels. A dominant signal level sent on the data path by any of the nodes creates a dominant signal level on the data path irrespective of the number of ... 03/16/06 - 20060056440 - Managing conference communication in a communication system A method manages communication over a shared resource in a communication system. A plurality of access requests are received, wherein at least one of the plurality of access requests is provided with a predefined indication whether the access request relates to a topic currently communicated over the shared resource or ... 02/23/06 - 20060039400 - Pause frame reconciliation in end-to-end and local flow control for ethernet over sonet Whenever a PAUSE frame is generated locally, a pause refresh timer is set with the pause parameter from the PAUSE frame. PAUSE frames which are received from a remote data sink are trapped and the value of the pause parameter is evaluated. If the value is smaller than the current ... 12/15/05 - 20050276276 - Wireless probe The present invention relates to the field of wireless communications and more particularly to systems and methods for monitoring wireless traffic in wireless local area networks. The present invention addresses shortcomings of the prior art by providing methods and apparatus for the calculation of more meaningful performance values for a ... 11/03/05 - 20050243858 - Disitributed trunking mechanism for vhf networking A system and method for communicating between nodes in a communications network. The network includes nodes that broadcast and receive data packets over a radio channel. The system includes a distributed trunking method that distributes the communications between the nodes over multiple channels. Voice and other data may be broadcast ... 11/03/05 - 20050243857 - Simultaneously routing data over multiple wireless networks A method manages the flow of packetized data over multiple dissimilar wireless networks. The method includes assigning a weight to each of the wireless networks, and allocating a portion of the packetized data to each network based upon the assigned network weights. Finally, the allocated data is simultaneously sent across ... 11/03/05 - 20050243856 - Configurable fast ethernet and gigabit ethernet data port An Ethernet switch has at least one ingress/egress port 1 which is operable in two modes, in a first mode as a GE port and in a second mode as a plurality of FE ports. The port has 8 MAC interfaces 3 each of which is capable of receiving/transmitting FE ... 06/30/05 - 20050141546 - Method of avoiding collisions between access terminals A method of avoiding collisions in a mobile communication system having an access network and at least one access terminal. The method includes receiving, from the at least one access terminal, a service connection request message including an access terminal identifier and a time identifier, and comparing a time information ... ### FreshPatents.com Support |