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| Number | Title | Issue Date |
| 8031746 | Synchronized receiver There is provided a method of operating a communications system comprising a transmitting station and a receiving station, the method in the transmitting station comprising encoding a clock signal with data to form encoded signals for transmission; transmitting the ... | 10/04/2011 |
| 8027368 | Terminal in wireless communication system and ranging method for dynamically changing ranging period thereof A ranging method of an access terminal that requests a ranging to an access point through a wireless network and performs the ranging, the ranging method including a) initializing a ranging period, b) setting a timer with the ranging period and starting the timer, c... | 09/27/2011 |
| 8018974 | Method and apparatus for deriving transmission timing of a downlink control channel in support of enhanced uplink operation A remote station for wireless communication is disclosed. The remote station includes a transmitter configured to transmit packet data on an uplink channel and a receiver. The receiver is configured to receive a first frame having a downlink dedicated physical chann... | 09/13/2011 |
| 8018973 | Method to accurately and securely determine propagation delay and distance between sending and receiving node in packet network using cut-through approach and packet network node for executing the method A method and system for measuring a distance between nodes in a packet network are provided. The system and method include measuring and storing a departure time of a ping packet sent from a source node to a destination node, sending a response packet with respect t... | 09/13/2011 |
| 7912094 | Self-checking pair-based master/follower clock synchronization Systems and methods for network clock synchronization are provided. In one embodiment, a method for clock synchronization in a braided ring network comprises: providing a schedule for a braided ring network comprising a plurality of nodes, wherein at least two nodes... | 03/22/2011 |
| 7864814 | Control mechanism for adaptive play-out with state recovery A control logic means preferably for a receiver comprising a jitter buffer means adapted to receive and buffer incoming frames or packets and to extract data frames from the received packets, a decoder connected to the jitter buffer means adapted to decode the extra... | 01/04/2011 |
| 7817675 | Emergency call handling in contention-based wireless local-area networks An apparatus and methods for handling emergency message frames (e.g., “911” call frames, etc.) sent by a station in a wireless local-area network are disclosed. The illustrative embodiment increases the probability with which an emergency message frame is accord... | 10/19/2010 |
| 7817674 | Output clock adjustment for a digital I/O between physical layer device and media access controller Output clock adjustment for a digital I/O between physical layer devices and media access controller. A method is disclosed for transferring data received on the input of a physical layer device from a transmission medium to an output associated with the physical la... | 10/19/2010 |
| 7813385 | Adaptive link delay management in wireless link systems Systems and methods for adapting IEEE 802.11 wireless communications for environments involving long propagation delays. Improved system throughput and stability are provided. Propagation delays are measured systematically and used to adjust contention timing bounda... | 10/12/2010 |
| 7792155 | Communication system and slave and repeater units therefor A communication system is formed with a master unit having a communication function and at least one slave unit also having a communication function connected by a network including a bus. Repeater units are inserted on the network between the master unit and the sl... | 09/07/2010 |
| 7778284 | Synchronising cell transmission for packet switching The invention relates to a method and a packet switch for synchronising port controllers (1) with cross-connection means (40). By switching cross-connection means from loopback configurations (41a, 43a) to no-transmission co... | 08/17/2010 |
| 7742506 | Controlling timeslot delay in a digital communication system A buffer circuit for use in a digital communication system includes a memory and a controller coupled to the memory. The memory is configurable for storing a plurality of data frames of a first data stream, each of the data frames including a plurality of timeslots ... | 06/22/2010 |
| 7720109 | One-way delay time estimation method and apparatus and clock synchronization method and apparatus using the same An apparatus for and method of estimating a one-way delay time between two hosts and an apparatus and method of clock synchronization using the same. The two hosts are connected to a network and communicate a predetermined packet; k-th, (k+1)-th, and (k+2)-th transm... | 05/18/2010 |
| 7643515 | Method and apparatus for deriving transmission timing of a downlink control channel in support of enhanced uplink operation A remote station for wireless communication is disclosed. The remote station includes a transmitter configured to transmit packet data on an uplink channel and a receiver. The receiver is configured to receive a first frame having a downlink dedicated physical chann... | 01/05/2010 |
| 7577167 | Adaptive transmission timing control method, wireless communication system and wireless communication device In a method for adaptive transmission timing control, the overlooking of a base path at the side of the base station that occurs when the transmission timing offset amount changes to the extent of falling outside the current delay-profile calculation range, and the ... | 08/18/2009 |
| 7535931 | Two-way timing protocol A two-way time transfer protocol includes: sending a signal from a first node including a first clock and a first time interval counter coupled to the first clock over a transport physical layer coupled to the first node to a second node coupled to the transport phy... | 05/19/2009 |
| 7460560 | Method for operating an end-user of an isochronous cyclical communication system A method for operating an end-user of an isochronous cyclical communication system, including the following steps: receipt of a synchronisation data telegramme from a connecting user in the communication system by the end-user, whereby the synchronisation data teleg... | 12/02/2008 |
| 7423972 | System and method for a transmission rate controller A method for proposing at least one transmission rate change including calculating a plurality of latency values, computing at least one derivative-based proposed change from the plurality of latency values, and proposing a rate change selected from the at least one... | 09/09/2008 |
| 7418012 | Method and device for time-synchronized relaying of signals The invention relates to a method and device for the time-synchronised relaying of signals, whereby various signals from at least one signal source are relayed over various signal paths to at least one signal receiver, with time markers overlaid on the various signa... | 08/26/2008 |
| 7408959 | Method and apparatus for ensuring cell ordering in large capacity switching systems and for synchronizing the arrival time of cells to a switch fabric Where links between a port module and plural switch fabric slices are of various lengths, a cell is transmitted from the port module to a switch fabric slice in response to a grant. The transmission is delayed by an amount based on a link round trip delay (RTD) valu... | 08/05/2008 |
| 7406103 | Method and apparatus for transmitting data in Gigabit Ethernet passive optical network A method and apparatus for transmitting data from an optical network unit (ONU) to an optical line termination (OLT) in a Gigabit Ethernet passive optical network (GE-PON) on the basis of a time division multiple access (TDMA) scheme are provided. A measurement of a... | 07/29/2008 |
| 7406616 | Data de-skew method and system Systems and methods for deskewing parallel data lines using at least one extra channel in parallel to the parallel data lines to carry data for comparing to data on the parallel data lines. ... | 07/29/2008 |
| 7403799 | Base station and call search method used for the same In a base station providing a large-distance service area (large area) such as a mobile communication system WLL of the CDMA method, the time required for performing call search (path search) is reduced so as to reduce the call connection time. When performing a pat... | 07/22/2008 |
| 7394801 | Cell search method suitable for initial cell search and target cell search A wireless device generates a peak profile for a primary synchronization channel (PSCH), and has a synchronization stage for performing code group identification and scrambling code identification. A first peak from the peak profile is chosen. The first peak has a f... | 07/01/2008 |
| 7372865 | Processing data packets using time stamped marker packets According to one embodiment, processing data packets includes inserting marker packets into a data stream at time intervals. Each marker packet includes a respective first time stamp indicative of the time the marker packet is inserted. An estimate of the age of a d... | 05/13/2008 |
| 7369576 | Managing scanning and traffic in a network The present invention provides a network communication device and method for simultaneous connection establishment and traffic delivery in a network. The network communication device comprises a first interface for exchanging information with a network device, a sec... | 05/06/2008 |
| 7366086 | Crosstalk reduction in a backplane employing low-skew clock distribution A system for a backplane that employs i) an adjustment of positive-to-negative (P-N) driver skew of a transmit signal of a relatively high-speed differential driver to reduce far-end crosstalk, ii) a high-speed differential subtraction circuit combining a gain-adjus... | 04/29/2008 |
| 7362707 | System and method for determining flow quality statistics for real-time transport protocol data flows A system and method for determining flow quality statistics for real-time transport protocol (RTP) data flows is disclosed. Generally, a first endpoint is connected to a second endpoint, wherein the first endpoint comprises a transceiver, software stored within the ... | 04/22/2008 |
| 7359379 | Managing data in a subtended switch A technique for provisioning cross-connects in network switching environment includes receiving a portion of the an input data stream including having header data and the payload data, the payload data occurring at a first offset relative to the header data and gene... | 04/15/2008 |
| 7359344 | Method, apparatus, and system for feathering data in a communication network A communication network control method for a communication network including a hub and a plurality of user nodes includes adjusting system parameters and feathering to reduce jitter and other effects given current conditions of the wireless channel, current loading ... | 04/15/2008 |
| 7359396 | Optical-core network with selective signal queueing A core network shared by a large number of edge nodes comprises core nodes interconnected by core channels. Selected core channels are provided with buffers to enable temporal alignment of signals arriving at any core node from several other core nodes. A buffer may... | 04/15/2008 |
| 7359407 | Data interface that is configurable into separate modes of operation for sub-bit de-skewing of parallel-fed data signals A data interface is provided that can de-skew data signals by taking into account different skewing effects on each data signal. The data interface can be used, for example, in a communication system and can be configured to operate in one of three possible modes of... | 04/15/2008 |
| 7349442 | Method for serial transmission between a position measuring device and a processing unit A system that includes a position measuring device, a processing unit, a first data channel connecting the position measuring device to the processing unit and for transmitting data from the position measuring device to the processing unit and a second data channel ... | 03/25/2008 |
| 7346061 | Communication system, communication method, and data processing apparatus The present invention relates to a communication system and communication method which enable various types of near field communication, and a data processing apparatus. NFC communication apparatuses 1 to 3 have two features in that each can perform co... | 03/18/2008 |
| 7336643 | TDMA communications apparatus A TDMA communications apparatus is provided with a central processor and a control circuit for resetting or fine-adjusting a count value of a slot timing generating counter which generates slot timing pulses used for establishing synchronization of communication. Th... | 02/26/2008 |
| 7336646 | System and method for synchronizing a transport stream in a single frequency network A single frequency network (SFN) system is provided, where the system includes a head-end and a plurality of transmitters. The head-end is capable of calculating timing information based upon a time reference having a second resolution. Thereafter, the head-end is c... | 02/26/2008 |
| 7334248 | Conditional access filter as for a packet video signal inverse transport system A method and an apparatus for processing a packetized transport stream that determines whether a sequence of transport packets are received in a proper sequence and whether an error is present in a particular transport packet. The method includes the steps of determ... | 02/19/2008 |
| 7327693 | Method and apparatus for precisely measuring a packet transmission time A method for transmitting a message packet from a network device having multiple transmit queues at a precise time flushes all packets previously enqueued in a selected transmit queue and places the message packet in the selected queue. All other transmit queues are... | 02/05/2008 |
| 7324421 | Method and apparatus for data bit align An invention is provided for data bit align. The invention includes a multiplexer that receives a data sample word as data input and also receives a clock sample word as select input. The multiplexer selects a data bit from the data sample word based on the clock sa... | 01/29/2008 |
| 7321403 | Video signal transmitting/receiving system In a transmitting section for a video signal transmitting/receiving system for transmitting digital video signals using a plurality of transmission channels, video guard band signals are inserted into video signals associated with the transmission channels immediate... | 01/22/2008 |
