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Class 370/438 - Using a separate control line or bus for access control


Subclass of Class 370 - Multiplex communications
Definition: Subject matter wherein the assignment of a channel is controlled
No. of patents: 381
Last issue date: 03/27/2012


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NumberTitleIssue Date
8144722Multi-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) device with a single radio interface. A regular time interval P and a Channel Coordination Window (CCW) to be repeate...
03/27/2012
8054850Communication control system
A communication control system is provided that satisfies the needs of industrial applications in terms of real time properties, scalability and flexibility. For this purpose, the invention causes a communication station performing communications in accordance with ...
11/08/2011
7903681Method for distributing a common time reference within a distributed architecture
A method of distributing a common time reference within a distributed architecture includes one or more of the following: generating at least one electrical pulse at a central entity; distributing the at least one electrical pulse to a subassembly; receiving the at ...
03/08/2011
7899074Apparatus and method for controlling multi-channel access
Provided is an apparatus and method for controlling multi-channel access in USN-based MAC. The multi-channel access control apparatus includes a channel scanner, a control channel preoccupier, and an available channel exchanger. The channel scanner scans at least on...
03/01/2011
7852868Method and apparatus for establishing circuit connections over local area networks with frequency selective impairments
A method for establishing a circuit connection over a network. Determining a channel quality profile of a medium connecting a source node and a destination node. Determining a throughput required to support a data rate requirement of an application that sources data...
12/14/2010
7782891Network switch memory interface configuration
A network switch for network communications includes a first data port interface, wherein the first data port interface supports a plurality of data ports for transmitting and receiving data at a first data rate. The network switch also includes a second data port i...
08/24/2010
7710995Method and system for out-of-band signaling for TCP connection setup
In certain environments all or part of the TCP signaling traffic may be lost before reaching one or both TCP endpoints, leading to no connection establishment or slow page download times. Embodiments of this invention improve TCP performance over unreliable links an...
05/04/2010
7684427Switching matrix with two control inputs at each switching element
A switching matrix has a first number of inputs and a second number of outputs as well as a conductor arrangement and controllable switching elements by means of which the inputs can be connected with the outputs. The controllable switching elements are fashioned su...
03/23/2010
7532637Synchronous controller
A synchronous controller is formed with a cycle master module and one or more control modules doubly connected through a synchronous bus and an event bus. The event bus is used for transmitting data with a larger volume. The control modules each cyclically carry out...
05/12/2009
7437433Method for batch registration of integrated digital loop carrier subscriber using program loaded data of exchange, and element management system server for the same
In a method for batch registration of an integrated digital loop carrier (IDLC) subscriber using a program loaded data (PLD) of an exchange, an operator opens a program loaded data (PLD) file of an exchange selected by a client terminal accessing through a network, ...
10/14/2008
7436764Notification of control information in wireless communication system
The present invention relates to notifying updated control information of a point-to-multipoint service in a wireless communications system. An indication about whether control channel information has been updated is transmitted and received during a time interval w...
10/14/2008
7400640Partitioned medium access control implementation
A novel implementation of a partitioned medium access control (MAC) is disclosed. The illustrative embodiment employs a shared bus that typically is already present in a wireless terminal for communication between an upper MAC and a lower MAC. The partitioned MAC im...
07/15/2008
7397813Allocating bandwidth using resilient packet ring (RPR) fairness mechanism
In allocating bandwidth using a Resilient Packet Ring (RPR) fairness mechanism in a node connected to an RPR network, when congestion occurs, an amount of traffic that the node has transmitted to a ring during one aging interval is stored together with its own ident...
07/08/2008
7391788Method and system for a three conductor transceiver bus
Aspects of the invention provide a method and system for a communication bus for resetting one or more devices connected to the bus. The transceiver bus (620) may include a single serial data line (616), a single serial clock line (614) and a si...
06/24/2008
7389469Bus systems, apparatuses, and methods of operating a bus
Data transmission between transmitting/receiving nodes in a bus system may be controlled based on an error check of received data. When an error in the received data is detected, the transmitting node may cease data transmission, and other nodes, which may not have ...
06/17/2008
7388452Integrated branching network system and joint connector
A network system is provided with a joint connector for branching a communication line to plural lines respectively linked with plural nodes, the joint connector is provided with terminals for respectively linking with plural nodes, and circuits respectively having ...
06/17/2008
7373443Multiple interfaces in a storage enclosure
Provided is a method for interfacing with storage units, including a backplane, at least one slot in the storage enclosure for receiving one storage unit, and two physical interfaces on the backplane for at least one slot. The storage unit is capable of being positi...
05/13/2008
7352780Signaling byte resiliency
A method and system for providing signaling byte resiliency across a telecommunications network. Embodiments of the invention create copies of original signaling bytes and transports the copies in addition to the original signaling bytes. Testing is performed at eac...
04/01/2008
7352765Packet switching fabric having a segmented ring with token based resource control protocol and output queuing control
A packet switching fabric includes means forming a data ring, means forming a control ring, and means forming a plurality of data communication network links each having at least one network node coupled thereto. The fabric further includes a plurality of output que...
04/01/2008
7349347ASK communication device
An ASK communication device includes a master station and slave stations connected to the master station through a bus line. The master station includes a transmission unit for ASK-modulating a carrier signal outputted from an oscillation circuit owned thereby and o...
03/25/2008
7349414System and method for maximizing the traffic delivery capacity of packet transport networks via real-time traffic pattern based optimization of transport capacity allocation
A system and method for maximization of the global throughput of packet transport networks via traffic-load-adaptive TDM or WDM channelization. Architecturally the packet transport network is formed of logical packet transport buses that are configured in the networ...
03/25/2008
7343528Method and apparatus for detecting and recovering from errors in a source synchronous bus
A method and apparatus for detecting and in some cases recovering from errors in a source synchronous bus. One embodiment of a disclosed apparatus includes a plurality of strobe inputs to receive a plurality of strobe signals. A plurality of data inputs receive a pl...
03/11/2008
7336965Apparatus and method for reducing call set-up time for time-sensitive applications in a wireless network
For use in a wireless network, a base station that reduces the call set-up time for a time-sensitive application. The base station comprises a message controller for receiving an incoming control message that initiates the time-sensitive application in a mobile stat...
02/26/2008
7336633Media access controller for high bandwidth communication media and method of operation thereof
An access control method for a medium, a media access controller and a wireless communication system incorporating the method or the controller. In one embodiment, the method includes: (1) allowing first and second devices to employ a control channel defined in the ...
02/26/2008
7328251Thread based email
Systems and methods for providing electronic messaging services to multiple users by storing a single copy of an electronic message at a central location and notifying recipients of the stored single copy. An electronic message includes a distribution list and a mes...
02/05/2008
7324506Using DSL services to facilitate real-time communications in enterprise networks
The present invention delivers both voice and real-time communications over telephony infrastructure. The telephony infrastructure will effectively couple a DSL server in a local telephony exchange to telephony terminals and DSL modems at any number of user location...
01/29/2008
7317683Weighted fair queue serving plural output ports
A data communication apparatus includes a plurality of output ports and a scheduler for assigning priorities for outbound data frames. The scheduler includes one or more scheduling queues. Each scheduling queue indicates an order in which data flows are to be servic...
01/08/2008
7317241Semiconductor apparatus having a large-size bus connection
In a semiconductor apparatus of the present invention, a plurality of circuit components are provided. A first bus interconnects the circuit components. A second bus interconnects the circuit components. A switching unit outputs a select signal that causes each circ...
01/08/2008
7315801Network security modeling system and method
A network security modeling system which simulates a network and analyzes security vulnerabilities of the network. The system includes a simulator which includes a network vulnerabilities database and a network configuration module having network configuration data....
01/01/2008
7313151Extendible asynchronous and synchronous interface bus for broadband access
Apparatus for simultaneously transferring synchronous and asynchronous signals among broadband access devices includes a data bus, a clock bus, and a plurality of control lines which are used to indicate the type of data being carried on the bus. According to the me...
12/25/2007
7310364Multirate, constant envelope, constant bandwidth, modulation, channelization and detection system based on orthogonal bipolar spreading vectors
A modulation channelization and demodulation system based on orthogonal bipolar spreading vectors is provided that permits a variable information rate to be transmitted without inducing envelope fluctuations and permits multiple access without requiring the transmit...
12/18/2007
7289764Cardholder interface for an access control system
In a wireless access control system, a method and system for providing indications of the state of a Wireless Access Point Module (WAPM) to an observer using at least one indicator mounted on the WAPM. The WAPM preferably provides indications of the version number o...
10/30/2007
7284216System and method for verifying signal propagation delays of circuit traces of a PCB layout
A system for verifying signal propagation delays of circuit traces of a printed circuit board (PCB) layout includes a computer (1). The computer includes: a setting module (10) for setting a minimum propagation delay and a maximum propagation delay for...
10/16/2007
7272152Method for real-time communication between a number of network subscribers in a communication system using ethernet physics, and a corresponding communication system using ethernet physics
For real-time communication between a number of network subscribers in a communication system using Ethernet physics, the slave units are synchronized to the master unit in that each slave unit is clocked via a respective timer with a predetermined overall cycle tim...
09/18/2007
7257419Method for attempting to establish a connection between a mobile station and a wireless communication system including a parameter identifying reason for a previously failed reconnection attempt and a parameter indicating a number of times that the reason occurred
A wireless communication system wherein wireless infrastructure adapts access parameters and manages channel resources based on detailed reconnection information obtained from individual mobile stations. Mobile stations transmit particular reconnection attempt statu...
08/14/2007
7257127Method and apparatus for burst scheduling
Control information associated with data bursts to be switched on a burst-switched router is transmitted using payload envelopes (100) on one or more control channels (16). A control channel scheduling module (86) defines sets of contiguous payl...
08/14/2007
7257523Integrated distributed process control system functionality on a single computer
An apparatus is adapted to be used to create software and programming instructions for a distributed process control system having a user workstation remotely located from a distributed controller that controls one or more field devices using control modules. The ap...
08/14/2007
7245629Method and apparatus for a control communication channel in a packet-forwarding device
A control backplane replaces the traditional shared bus with a dedicated communication channel using a high-speed protocol, such as Ethernet. The resulting system may conduct several concurrent control sessions with clients and devices associated with the network sw...
07/17/2007
7243150Reducing the access delay for transmitting processed data over transmission data
The present invention describes a method and apparatus for reducing the access-delay and transmission latency in a system where a network terminal modem terminates to a network over a transmission media. In a network the processing of input data to be transmitted as...
07/10/2007
7243176Method and apparatus for power efficient and scalable memory interface
Transmission of digital signals across a bus between an electronic device having a transmitter and another electronic device having a receiver with termination for both the transmitter and receiver being referenced to ground, such that the electronic device having t...
07/10/2007
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