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WO/2015/180091A1 |
A control system (20) having wire break detection capability is provided. The control system (20) comprises a plurality of digital output channels, a timing division multiplexer (21) comprising a plurality of inputs and one output, where...
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WO/2015/172398A1 |
Disclosed are a method and apparatus for acquiring a packet transmission delay. The method comprises: acquiring first clock information for receiving a communication packet by a receiving port and second clock information for sending the...
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WO/2015/168892A1 |
Provided are a protection switching method, a node and a control device. The method comprises: receiving an indication message including a fault confirmation time, wherein the indication message is used for indicating to perform protecti...
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WO/2015/170544A1 |
In the present invention, a user device that performs communication between user devices comprises the following: a synchronized signal detection unit that detects an inter user-device synchronization signal that is sent from a user devi...
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WO/2015/169045A1 |
A time synchronization method, device and system, and a storage medium. The method may comprise: a network entry node records a first time value at which a Precision Time Protocol (PTP) data packet enters the network entry node; the netw...
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WO/2015/169921A1 |
Systems, methods, apparatuses, and computer program products for dynamically redistributing timing and synchronization in a packet switched network are provided. One method includes creating, by a slave node, a peer list comprising an id...
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WO/2015/170201A1 |
Exemplary methods for reducing sync time in a precision time protocol (PTP) network include receiving, by a first PTP slave port of a first network device, timing messages from a second PTP master port of a second network device. The met...
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WO/2015/169363A1 |
A method and apparatus for determining propagation delay of a first path and or of a second path which connect a first transceiver unit associated with a first clock to a second transceiver unit associated with a second clock in a commun...
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WO/2015/168931A1 |
The present invention relates to selection of synchronization source among various synchronization sources which include sources determining the synchronization signal from the network such as base stations(network nodes)or user equipmen...
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WO/2015/167745A1 |
Disclosed herein are a variety of systems and methods for correcting for propagation delay in time signals used in connection with an electric power generation and delivery system. According to various embodiments, a device consistent wi...
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WO/2015/160599A1 |
Embodiments relate to half-duplex bidirectional transmission of data compliant with a first standard (e.g., Universal Serial Bus (USB) standard) over a physical channel of a multimedia link for transmitting audio/video ("A/V") data compl...
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WO/2015/160596A1 |
Some implementations involve controlling a jitter buffer size during a teleconference according to a jitter buffer size estimation algorithm based, at least in part, on a cumulative distribution function (CDF). The CDF may be based, at l...
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WO/2015/160617A1 |
Some implementations involve analyzing audio packets received during a time interval that corresponds with a conversation analysis segment to determine network jitter dynamics data and conversational interactivity data. The network jitte...
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WO/2015/155333A1 |
The invention relates to a method for operating a subscriber of a communication network, comprising the following steps: in a first cycle; a reference time is captured via the communication network by means of the subscriber; adjusting a...
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WO/2015/148992A1 |
One feature pertains to the synchronization of a serial time-division-multiplexed bus interconnecting an audio processing subsystem (i.e. a local node) with an audio coder-decoder (CODEC) subsystem (i.e. a remote node.) Control signals a...
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WO/2015/143464A1 |
The invention relates to a method for the wireless fault-tolerant synchronization of clocks of node computers in a distributed real-time system, which distributed real-time system comprises a number of arenas, wherein a multiplicity of n...
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WO/2015/146378A1 |
A multiplexing device is provided with a packet multiplexing unit, a transmission time setting unit, and a delay amount setting unit. The packet multiplexing unit multiplexes a plurality of MMT packets that comprise at least one MMT pack...
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WO/2015/141061A1 |
A transport apparatus comprises: a client signal transmission/reception unit for transmitting/receiving a client signal; a line signal transmission/reception unit for electricity/photo converting a line signal to be transmitted, thereby ...
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WO/2015/141709A1 |
A base station transmits a control signal to user equipment which transmits a discovery signal by radio, the base station being provided with: a resource assignment means which assigns, to the user equipment, a discovery resource that is...
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WO/2015/135874A1 |
The present invention refers to a method (33)and device (29, ONT, CPE)for forwarding a clock synchronization message (M), the clock synchronisation message (M) comprising a time correction field (corr) describing an residence time of the...
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WO/2015/133319A1 |
The present technique pertains to a receiver device and a reception method, with which both GNSS signals and wireless LAN signals can be received through an arrangement that is compact and lower in cost. A selector unit selects either a ...
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WO/2015/131736A1 |
A clock status inquiry method, communication device and system, comprising: generating a clock status inquiry request message; sending the clock status inquiry request message to an opposite-end device; receiving a clock status response ...
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WO/2015/133169A1 |
The purpose of the present invention is to obtain an optical transport transmitting apparatus capable of reducing low-frequency jitter. An optical transport transmitting apparatus (1) for encapsulating a client signal into a line signal ...
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WO/2015/132090A1 |
It is disclosed a digital crossbar comprising TDM switches with slicers at their inputs and deslicers at their outputs. The crossbar comprises mappers receiving respective client signals and mapping them into TDM input flows, which are f...
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WO/2015/133288A1 |
A Forward Error Correction (FEC) frame processing device, wherein the FEC frame processing device is provided with: a frame configuration control unit for determining a frame configuration by notifying the number of Optical-channel Data ...
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WO/2015/127983A1 |
The invention refers to synchronizing a client clock of a network node to a reference clock, wherein the network node performs the steps of receiving from the reference clock synchronization data, determining a comparison value indicativ...
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WO/2015/128154A1 |
The present document relates to Optical Transport Networks (OTNs). In particular, the present document relates to the detection of a failure within a general communication channel of an OTN. A method (300) for detecting an impairment of ...
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WO/2015/130684A1 |
A slotted message access protocol can be implemented for transmitting short packets. Each beacon period may be divided into multiple time slots. At least one time slot may be assigned to a network device per beacon period based, at least...
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WO/2015/129240A1 |
In order to prevent the use of variable modulation in a multipath-fading channel from increasing the complexity of a reception-side wireless communication device, this wireless communication system is provided with a first wireless commu...
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WO/2015/126956A1 |
Synchronization of plural outputs of data transported by a wireless network is facilitated by bandlimiting a sample clock signal controlling a rate at which data is processed by the network's devices and/or bandlimiting wall time data co...
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WO/2015/126577A1 |
Disclosed are various embodiments for compensating for clock drift between nodes in a time synchronous network. A node receives time synchronization information from a parent node in the network. A drift between a clock of the node and a...
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WO/2015/117387A1 |
Provided are a method and device for switching a multi-link master clock, and a packet transport network (PTN) device. The method for switching a multi-link master clock is applied to a packet transport network (PTN) device, and the mult...
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WO/2015/117319A1 |
A time synchronization method. The method comprises: sending, by an optical line terminal (OLT), a synchronization message to an optical network unit (ONU); receiving a time delay request message forwarded by the ONU, the time delay requ...
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WO/2015/113643A1 |
A method (10) of encapsulating digital communications traffic for transmission on an optical link, the method comprising: a. receiving an input digital communications signal having an input line code (12); b. performing clock and data re...
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WO/2015/109819A1 |
Disclosed in the present invention are a time slot synchronization training method for an optical burst transport network node, node device and network. The method includes: a reference time delay between a receiving control frame and a ...
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WO/2015/106504A1 |
Disclosed are a method, device and system for adjusting a differential clock frequency, a source end device and an interworking modifier. The method comprises: receiving a constant bit rate (CBR) service packet, the CBR service packet co...
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WO/2015/107843A1 |
The purpose of the present invention is to achieve dynamic time division duplex (TDD) that is based on the assumption of time division duplex-frequency division duplex carrier aggregation (TDD-FDD CA) and is not dependent on a TDD uplink...
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WO/2015/107850A1 |
This terminal device that communicates with a base station device is provided with a transmission unit that, on the basis of a UL-DL setting indicated by second information, uses a physical uplink control channel to transmit a HARQ-ACK c...
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WO/2015/104054A1 |
A mapping is selected for use in mapping of data at a transmitting side (20)into data containers for transmission across a time division multiplexing (TDM) physical layer (70, 80, 90) of a communications network, to provide lossless tran...
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WO/2015/096041A1 |
Disclosed are a clock synchronization method for multiple clock domains, a line card, and an Ethernet device. The method comprises: a sending line card obtaining M clock frequency differences, determined by a reception line card, of M up...
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WO/2015/096952A1 |
The present invention discloses a method for deterministic data transmission in a bus system, having the steps of division of at least one data bus of the bus system into a first channel and a second channel, wherein the two channels are...
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WO/2015/094944A1 |
Methods, devices, and systems for facilitation of deterministic management of a plurality of electronic message packets communicated to an application via a network from a plurality of message sources. The facilitation involves receiving...
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WO/2015/094032A1 |
There is provided a synchronization module for providing stable clock information. The synchronization module receives a high stability clock frequency signal from a first external clock source at least temporarily. The synchronization m...
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WO/2015/087658A1 |
Two selection signals (CLK<1> and CLK<2>) that reach significant levels sequentially are inputted to this signal multiplexer (1), as are two input signals (IN<1> and IN<2>). When the mth selection signal (CLK) is at a significant level, ...
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WO/2015/087024A1 |
This invention relates to methods and devices for synchronization using linear programming, especially over packet networks using, for example, the IEEE 1588 Precision Time Protocol (PTP). Timing protocol messages are exposed to artifact...
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WO/2015/088906A1 |
Synchronization methods, apparatus and systems are disclosed. An example method includes storing, in memory of a device, schedule information indicating times at which the device is to listen for a sequential series of data frames, the s...
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WO/2015/086279A1 |
Proposed is a method of raising a loss of frame alarm in an optical transmission network at an optical network element. The method comprises the steps of detecting an out-of-frame (OOF) state, detecting a presence of the OOF state, by fi...
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WO/2015/087023A1 |
This invention relates to packet selection techniques that can be used in conjunction with a clock recovery mechanism to mitigate the effects of packet delay variation on timing messages exchanged over a packet network, particularly when...
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WO/2015/079943A1 |
The present technique relates to a signal processing device, a signal processing method, and a program which enable a reduction in the number of pins for transmitting and receiving data. A signal processing device is provided with a sign...
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WO/2015/080287A1 |
[Problem] To improve channel utilization efficiency in a communications method having a period in which slots are allocated and communications performed and a period in which communications are performed in slot units and in accordance w...
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