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| Number | Title | Issue Date |
| 8089887 | Method for automatic signal routing in ad hoc networks A method and system provide routing of signals through a communications network. A transmitted signal is received. The signal has an associated parameter that is monitored as the signal is received. The parameter indicates the extent to which prior retransmission of... | 01/03/2012 |
| 8031621 | Hybrid time triggered architecture for dual lane control systems A network for a dual lane control system is provided. The network comprises at least one hub for a first channel and at least one hub for a second channel. A first plurality of end nodes is in a first lane. Each of the first plurality of end nodes is coupled to the ... | 10/04/2011 |
| 7969897 | Relay device, computer readable medium storing test program and a method for testing relay device A relay device for relaying transfer data to be transmitted between the devices has a plurality of testers. Each of the testers determines whether received transfer data is normal or not, and discards the transfer data that is determined abnormal. The relay device a... | 06/28/2011 |
| 7940681 | System and method for diagnosing a cabling infrastructure using a PHY A system and method for discovering a cable type using an automated, systematic process. A PHY can be designed to measure electrical characteristics (e.g., insertion loss, cross talk, length, etc.) of the cable to enable determination of the cable type. The determin... | 05/10/2011 |
| 7872979 | System and method to access and address high-speed interface converter devices High-speed transceiver devices, such as GBIC-type transceivers, are accessed and addressed. Identification information (including manufacturer name, model, compliance codes) is placed in data fields of the transceivers. An algorithm checks each port in each module o... | 01/18/2011 |
| 7738387 | System and method for diagnosing a cabling infrastructure using a PHY A system and method for discovering a cable type using an automated, systematic process. A PHY can be designed to measure electrical characteristics (e.g., insertion loss, cross talk, length, etc.) of the cable to enable determination of the cable type. The determin... | 06/15/2010 |
| 7706291 | Monitoring quality of experience on a per subscriber, per session basis A system and method for monitoring quality of experience includes forwarding a data packet flow carrying content between first and second endpoints. The data packet flow is forwarded at an intermediate point between the first and second endpoints so that the first a... | 04/27/2010 |
| 7693082 | Latency measurement apparatus and method A modular test chassis for use in testing wireless devices includes a backplane and a channel emulation module coupled to the backplane. The channel emulation module comprises circuitry for emulating the effects of a dynamic physical environment (including air, inte... | 04/06/2010 |
| 7450520 | Remote interface for a network device in the physical plant A network device such as a combination ONU-DSLAM deployed outside the central office includes a wireless transceiver to enable a technician to interface with the network device over a wireless control channel. This allows the technician to monitor, interrogate, and ... | 11/11/2008 |
| 7436776 | Communication test device A communication test device for conducting a communication test on a repeater supporting two kinds of communication protocols. A sequential number attaching section attaches sequential numbers serially to both of first data frames conformable to a first communicatio... | 10/14/2008 |
| 7391735 | Parsing messages with multiple data formats Provided are a method for parsing a bit stream including multiple data formats, and an apparatus and computer program including a set of parsers and parser-selection and invocation capabilities for handling parsing of multiple data formats. A first parser is selecte... | 06/24/2008 |
| 7391739 | System and method for creating a frame relay port mirror Systems and methods for monitoring communications in a frame relay network are described. In an embodiment of the present invention, an analyst or automated system creates a command to instruct a network element to mirror a port to another network element in communi... | 06/24/2008 |
| 7385930 | Packet discard point probing method and device In a relay device or the like in which a speed changes from a high speed to a low speed, a packet residence (packet transfer wait) occurs when a packet string in which packet intervals are shortened arrives. When a packet discard occurs before passing through the re... | 06/10/2008 |
| 7385929 | Method and system for detecting false packets in wireless communications systems Specific bits of an incoming transmission are compared against a predetermined bit pattern. If the selected bits do not match the predetermined bit pattern, then the incoming transmission is rejected as a false packet. The predetermined bit pattern can include legal... | 06/10/2008 |
| 7385942 | System for maintaining the integrity of remote data by making it disposable In a networked system having a protected central server network connected to one or more satellite servers, the central server includes master data, and each satellite system includes replicated data derived from the master data. A corruption of at least a portion o... | 06/10/2008 |
| 7376079 | Backup cell controller A wireless local area network for data communications between a computer and mobile units is provided with at least two cell controllers connected to the computer and one or more rf ports each connected to a primary interface of one cell controller and to a backup i... | 05/20/2008 |
| 7333449 | Unequal error protection in a packet transmission system In a packet transmission system, especially wireless transmission system, where data is transmitted in packets at different error protection levels and where the error protection level of one packet (=the succeeding packet) may differ from the error protection level... | 02/19/2008 |
| 7328399 | Synchronous serial data communication bus A synchronous serial bus features a variable data size format and an in-line addressing and data architecture. Flexible addressing allows for a variety of slave devices and configurations. Frequent parity checking during a transaction allows for faster error recover... | 02/05/2008 |
| 7317689 | System and method to access and address high-speed interface converter devices High-speed transceiver devices, such as GBIC-type transceivers, are accessed and addressed. Identification information (including manufacturer name, model, compliance codes) is placed in data fields of the transceivers. An algorithm checks each port in each module o... | 01/08/2008 |
| 7305458 | System and method for auto-configuring stackable network devices A system and a method for auto-configuring stackable network devices are disclosed for automatically configuring a plurality of stackable network devices. The system for auto-configuring stackable network devices comprises: a configuration file, a command line inter... | 12/04/2007 |
| 7286843 | Identifying remote radio units in a communication system A method for identifying a remote radio unit in a communication system comprises a plurality of remote radio units communicating with a central unit and pattern providing means for providing information about dedicated gain change patterns of the remote radio units.... | 10/23/2007 |
| 7286797 | Data transmission system, data transmission method, and electronic apparatus A data transmission system, a data transmission method and an electronic equipment. In the playback system, by a controller, at step S1, SEID with respect to receiving stream is grasped. At step S2, inquiry command is used to designate SEID to inquire corresponding ... | 10/23/2007 |
| 7272114 | Physical layer and physical layer diagnostic system with reversed loopback test A physical layer and a physical layer diagnostic system allow the physical layer of a network device to be tested without requiring the physical layer to be connected to a medium access controller. The physical layer includes a medium-side interface. A plurality of ... | 09/18/2007 |
| 7231530 | System and method for saving power in a wireless network by reducing power to a wireless station for a time interval if a received packet fails an integrity check A method, an apparatus and a carrier medium storing instructions to implement the method. The method is in a first wireless station of a wireless network, and includes wirelessly receiving a signal corresponding to a packet wirelessly transmitted by a second wireles... | 06/12/2007 |
| 7197052 | Technique for interfacing MAC and physical layers of access networks According to specific embodiments of the present invention, a standardized interface is provided for enabling controlled communication between MAC and PHY devices of an access network. In one embodiment, a vendor independent interface is described which may be imple... | 03/27/2007 |
| 7184408 | Method and apparatus for programmable generation of traffic streams Methods and apparatus provide single or multi-port, flexible, cost-effective, built-in self-test capabilities for network communications equipment, such as for example switches, and programmably generate, and subsequently analyze, one or more sequences of test packe... | 02/27/2007 |
| 7185134 | Apparatus for managing Ethernet physical layer registers using external bus interface and method thereof An apparatus for managing Ethernet physical layer registers and a method thereof are provided. The apparatus comprises a central processing unit (CPU) with an external bus interface function, and an interface conversion unit which is connected to the CPU through the... | 02/27/2007 |
| 7173941 | Resilient detection of repeaters An apparatus and method are detailed that allows for improved detection of communication devices and/or doublers in an associated physical communication links, in particular on HDSL communication links. The improved device apparatus and method additionally allows fo... | 02/06/2007 |
| 7165057 | Methods and systems to access storage objects Methods and systems to access storage objects are provided. A reference to a storage object is used to determine a storage stack level associated with the reference. If the storage stack level is not the lowest level of a storage stack, then the reference is transla... | 01/16/2007 |
| 7130273 | QOS testing of a hardware device or a software client A system for testing a software client or hardware module in a voice-over-IP (VoIP) network path includes a VoIP client, a test tool, and an analyzer. The VoIP client, connected to the VoIP network, makes a series of calls to a destination. The calls activate the so... | 10/31/2006 |
| 7111208 | On-chip standalone self-test system and method A method and system are disclosed for providing standalone built-in self-testing of a transceiver chip. The transceiver chip includes packet generators for generating test packets and packet checkers for comparing received packets with expected packets. The transcei... | 09/19/2006 |
| 7106862 | Digital information hiding techniques for use with data streams carried over a data communication network A data communication system transports a sequence of digital data frames that convey client input data encoded with secondary data. The system can utilize known, proprietary, or future techniques for digital data encoding, digital watermarking, data encryption, or t... | 09/12/2006 |
| 7085226 | Control apparatus and method for relay node duplexing The present invention relates to a message transmission system, and more particularly, to a control apparatus and method for relay node duplexing. In the invention, when the exchange of the active node relaying a message by buffering is requested, the duplexing cont... | 08/01/2006 |
| 7082468 | Method and apparatus for flexible high speed communication Two data communication platforms are operating as a combination. In one embodiment, a data signal formatted according to a data communication protocol is received at a first data communication platform. The first data communication platform operates to determine if ... | 07/25/2006 |
| 7061872 | Managed HDSL repeater A repeater for HDSL transmission is presented. The repeater replaces the regenerator commonly used in HDSL by utilizing the activation/deactivation process in the HDSL specification. The repeater is adjusted to detect an activation/deactivation sequence, whereby a f... | 06/13/2006 |
| 7043541 | Method and system for providing operations, administration, and maintenance capabilities in packet over optics networks A method for conveying management information across a network. The method includes receiving an Ethernet packet at a network element and modifying the packet by inserting a header in place of some or all of an unused portion of a preamble within the packet. The hea... | 05/09/2006 |
| 7028242 | Intercommunicating apparatus for duplex system capable of detecting failure thereof A parity generating circuit in a 0 side receives input signals on respective signal lines and produces a parity bit based on the input signals. A parallel/serial converting circuit multiplexes parallel signals (or input signals) and the parity bit into a seri... | 04/11/2006 |
| 7010595 | Apparatus for multi-level loopback test in a community network system and method therefor The present invention is an apparatus for multi-level loopback test in a community network system and method therefor, in which a loopback test device is installed between an Ethernet switch in a community and a central office so that the loopback test device can be... | 03/07/2006 |
| 7003059 | Jabber counter mechanism for elastic buffer operation An Elastic Buffer is provided to process data in a computer network and a write controller is provided to control memory storage operation of such an Elastic Buffer. The write controller may comprise a comparator mechanism which detects if link data from a source co... | 02/21/2006 |
| 6996657 | Apparatus for providing packets in a peripheral interface circuit of an I/O node of a computer system An apparatus for providing packets in a peripheral interface circuit of an I/O node of a computer system. The apparatus includes a buffer that may be configured to accumulate data received on a first bus. The apparatus further includes a control unit coupled to the ... | 02/07/2006 |
