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US20120224590 METHOD AND APPARATUS FOR DYNAMIC MEDIA ACCESS CONTROL IN A MULTIPLE ACCESS SYSTEM  
An electronic device may be operable to control access to a physical medium (e.g., airwaves, a copper cable, or an optical fiber) utilizing carrier sense multiple access (CSMA). The amount of time...
US20060039400 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...
US20070058663 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...
US20130089036 Collision Reduction in a CSMA/CA System  
Method for reducing collisions between a first station and a second station in a CSMA/CA system. The method may be performed by the first station. Medium access to transmit to the second station...
US20130070781 PROBABILISTIC CONTENTION WINDOW MANAGEMENT  
Method and apparatus for communicating via a network. In one embodiment, a device for communicating via a network includes a medium access controller (MAC). The MAC is configured to apply a...
US20130343403 Retransmission Mechanism for Segmented Frames in Power Line Communication (PLC) Networks  
Embodiments of methods and systems for transmitting and receiving segmented frames in a Power Line Communication (PLC) network are disclosed. A transmitter sends a first segment using CSMA/CA...
US20080232345 Time-Based Coexistence Method For Wireless Communication  
A method for facilitating coexistence of wireless technologies competing for the same bandwidth includes, with a first component (14) residing in a first wireless network (20), initializing the...
US20070081549 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...
US20050243857 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...
US20150180680 OVERLAPPING PRIORITY CONTENTION WINDOWS POWER LINE COMMUNICATIONS NETWORKS  
Embodiments of a power line communication (PLC) transmitter device for overlapping priority contention windows are presented. A processor is configured to perform a physical channel sense...
US20060067269 Method of scheduling users in wireless communication networks  
In a method of scheduling, one or more additional users of a group may be selected, to be simultaneously scheduled with a first user of the group that has already been scheduled. The selection of...
US20060056440 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...
US20100034177 TWO-TIER RANDOM BACKOFF AND COMBINED RANDOM BACKOFF AND TRANSMIT POWER CONTROL IN WIRELESS NETWORKS  
Systems and methods for two-tier backoff interval randomization are presented. An initial message transmission can have both a chip level and an access cycle duration level backoff applied to...
US20070058573 METHOD FOR ALLOCATING A COMMUNICATION RIGHT, COMMUNICATION CONFERENCE SESSION SERVER AND COMMUNICATION CONFERENCE SESSION SERVER ARRANGEMENT  
A plurality of communication conference sessions coupled to one another n such that when a communication right is requested, a check is made to ascertain whether the communication right has...
US20090067448 Contention-Based Communication  
For an example embodiment, a method for a communication device operating in a synchronous communication system is described. The method includes performing a listen-before-talk (LBT) procedure...
US20070177542 Arbitrating colocated transceivers associated with different systems  
Systems and methods according to the present invention provide arbitration methods, systems and devices which enable a WLAN transceiver (30) and a Bluetooth (BT) transceiver (32) to share the...
US20080175265 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...
US20090103558 Hybrid Contention-Based and Schedule-Based Access to a Communication Link  
One or more embodiments taught herein provide a hybrid access arrangement using a contention-based channel and a scheduled channel on a communication link. As a point of significant efficiency,...
US20150244541 Enhanced Carrier Sense Multiple Access (CSMA) Protocols  
Systems and methods for enhanced carrier sense multiple access (CSMA) protocols are described. In various implementations, these systems and methods may be applicable to Power Line Communications...
US20070171933 MEDIUM ACCESS CONTROL AND PHYSICAL LAYER HEADERS FOR HIGH THROUGHPUT DATA IN WLAN SYSTEMS  
A method and apparatus are provided for signaling collision avoidance behavior, and in particular deferral and/or backoff behavior, within a communication frame. Preferably, collision avoidance...
US20070058664 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...
US20060251103 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...
US20080013566 SELF-ORGANIZED AND SELF-MANAGED AD HOC COMMUNICATIONS NETWORK  
A self-organized and self-managed ad hoc network operates without the intervention of arbitration, collision detectors, hubs, master controllers, switches, or routers. The network may include both...
US20090010276 Contention Groups for Hidden Nodes  
Communicating among stations in a network includes, from each of multiple stations in the network, transmitting information indicating which other stations from which that station is able to...
US20060133407 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...
US20050185666 Misbehaving detection method for contention-based wireless communications  
The aim of the present invention is to provide a method to detect misbehavior use of the IEEE 802.11 standard without modifying the standard itself. This aim is reached according to a method for...
US20050190731 Methods and devices for providing a relative level of fairness and QoS guarantees to wireless local area networks  
Problems associated with hidden nodes and overlapping cells in Wireless Local Area Networks (WLANs) are substantially eliminated by only allowing non-interfering Access Points to transmit during...
US20070147292 RESOURCE ADMISSION CONTROL FOR CUSTOMER TRIGGERED AND NETWORK TRIGGERED RESERVATION REQUESTS  
Customer triggered resource reservation requests (131) are granted or refused in an access node (104) on the basis of available resources on downlinks (102) between the access node (104) and...
US20090141737 SYSTEMS AND METHODS FOR PRIORITIZED CHANNEL ACCESS HARDWARE ASSISTANCE DESIGN  
Systems, networks and methods are provided that are operable for network communication among devices that have a medium access control (MAC) sublayer operable to build and forward at least a frame...
US20070036088 Wireless MAC and link-layer simulation modeling  
Simulation models of media access control and physical layer characteristics facilitate the simulation/emulation of a variety of phenomena that affect transmissions via a wireless media. Such...
US20070189322 COMMUNICATION DEVICE, COMMUNICATION METHOD, CONTROL METHOD FOR COMMUNICATION DEVICE, AND COMMUNICATION SYSTEM  
A combination of devices in which communication parameters are to be set is selected on the basis of information indicating the capabilities of communication devices located on a network, and an...
US20070058662 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...
US20070140290 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...
US20060133408 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...
US20070019650 Efficient message switching in a switching apparatus  
A system and method of transferring packets/cells and messages within a switching apparatus that includes a plurality of input units, a packet/cell switch element, a message controller, and a...
US20090041050 Adaptive medium access control for wireless communication system  
A method is provided for adapting a contention window for a given node in a wireless communication system. The method includes: defining a target parameter indicative of congestion on a...
US20120147899 Media Access Control (MAC) Layer for Power Line Communications (PLC)  
Systems and methods for a media access control (MAC) layer for power line communications (PLC) are described. In some embodiments, a method may include receiving packets for transmission, each...
US20060256742 Multi-channel scheduling method for WLAN devices with a single radio interface  
A multi-channel scheduling method in a wireless network is provided. The wireless network includes a plurality of Wireless Local Area Network (WLAN) devices with a single radio interface. A...
US20070025387 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...
US20050141546 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...
US20070014305 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...
US20070211751 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...
US20070086474 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...
US20090040991 WIRELESS COMMUNICATION DEVICE AND WIRELESS COMMUNICATION METHOD  
An object of the present invention is to realize a distributed autonomous transmission scheduling by using a terminal without the need to observe packets in relation to communication of other...
US20060227801 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...
US20080137684 METHOD AND APPARATUS FOR PROVIDING QUALITY OF SERVICE OVER A CONTENTION ACCESS PERIOD OF A WIRELESS PERSONAL AREA NETWORK  
A method and apparatus for providing quality of service over a contention access period of a wireless personal area network is provided herein. Particularly, the layers above the MAC are allowed...
US20090122700 Spectrum and medium access allocation for fairness  
Each node or link of an ad hoc network assists in the distributed allocation of a data channel to increase fairness, even in a multi-hop network, by tracking a measure of link weight for itself...
US20060256743 Method and system for transmitting and receivig a signal in a wireless local area network  
A method and system for transmitting and receiving a signal between first and second mobile nodes is provided. The method and system offers improvements to the throughput of an overall wireless...
US20070025379 Method of providing a medium access protocol  
A method of providing a medium access control protocol using a listen before-talk scheme within a wireless network having a plurality of stations communicating over a channel, wherein a valid...
US20070133459 Apparatus and method for controlling transmission rate in a wireless LAN  
An apparatus and method for controlling transmission rate by determining whether a data transmission failure is caused by a channel error or a data collision in order to reduce a collision-caused...

Matches 1 - 50 out of 61 1 2 >