Assignee: ECI Telecom Ltd.

Location: Petach Tikva, IL
No. of patents: 56

Number	Title	Issue Date
8184545	Technique for combating loops in communication network Technology for combating loops in multi-domain networks, by assigning to network domains categories, at least such as “high/trusted” and “low/less trusted”, and by making a decision about relearning Forwarding Information Base FIB of any edge node interconne...	05/22/2012
8160106	Method, device and system for transmitting Ethernet packets Technique for transmitting Ethernet packets from an Ethernet source point to an Ethernet destination point via a communication link, comprising compression of the packets in such a manner that the source point transmits complete Ethernet packets, the communication l...	04/17/2012
8116197	Method for finding protected path in mesh networks A method of finding a primary communication path in a mesh network, which would be at once a protected path having a fully guaranteed segmented node or node-link protection. The method comprises defining a required protection type and further selecting each specific...	02/14/2012
8050563	Self checking optical add drop multiplexer A technique is proposed for performing add/drop operations in an OADM assembly serving an optical network and comprising an add unit and a drop unit. With respect to at least one optical channel assigned to an optical wavelength λ, the OADM assembly is capable of d...	11/01/2011
8036147	Method for transmitting LCAS protocol via an optical communication line A technique for exchanging LCAS control information between a first network element and a second network element interconnected by a bi-directional optical communication line, while conveying substantially unidirectional data traffic in the form of a virtual concate...	10/11/2011
7907620	Method of handling of ATM cells at the VP layer The invention proposes a method for handling ATM traffic comprising packets of AAL5 type composed of ATM cells, at a network node at VP-layer. The method comprises monitoring each of the cells incoming the node to obtain information at least on its VC-layer and VP-l...	03/15/2011
7864389	Method of controlling optical amplifier located along an optical link The invention concerns shutting down and restarting optical amplifiers, such as Raman amplifiers, in an optical link, depending whether the optical amplifier is a transmitting side amplifier or a receiving side amplifier. For controlling the amplifiers, at least one...	01/04/2011
7840133	Method and system for hybrid protection in optical networks A technique for carrying out protection of data traffic in a multi-channel multi-section optical communications network by simultaneously using Optical Multiplexed Section (OMS) protection and Optical Channel (OCH) protection; the technique comprises selection of a ...	11/23/2010
7761094	Supporting mobile communications session in a combined communications network A technique is proposed for supporting a mobile communication session in a combined communications network comprising a mobile network and a non-mobile access network. In the mobile network, the mobile communication session is associated with a mobile number. The te...	07/20/2010
7460469	Fast rerouting of traffic in a circuit switched mesh network Technology for rerouting a data stream in a communication circuit switched mesh network comprising one or more cross-connecting nodes, the data stream comprises a plurality of data frames each associated with at least one overhead byte, and the rerouting is performe...	12/02/2008
7388828	Method for rerouting MPLS traffic in ring networks A method is described for fast rerouting, in case of a fault, packets of MPLS traffic in a ring-like network configuration, where the MPLS traffic is formed by one or more Label Switched Paths (LSPs) entitled to protection. The method comprises rerouting the MPLS pa...	06/17/2008
7388827	High speed dissemination of failure information in mesh networks A method for high speed dissemination of information about faults in spans that interconnect nodes in a telecommunication mesh-type network, the method comprises creating a Failure Updating channel (FU channel) in the network and circulating Failure updating message...	06/17/2008
7359964	Method and equipment for providing a signaling channel for performing signaling functions at an ethernet level A method is disclosed for providing a signaling channel for performing one or more signaling functions at the Ethernet level. The telecommunication of interest is organized by information packets forming an information flow, and the method comprises utilizing a comb...	04/15/2008
7356052	Overhead handling method and system for high order data streams A method for fast and economic handling of overhead bytes of an incoming high order data stream to form a corresponding outgoing high order data stream, the method comprising a) presenting the incoming high order data stream as a plurality of N component data stream...	04/08/2008
7346081	Traffic handling in a protected synchronous communication network A method for dynamically adding a new channel to a group of virtually concatenated channels carrying traffic to a network element (NE) of a synchronous network. By this method if a delay associated with the new channel is longer than a delay associated with the grou...	03/18/2008
7339936	Switching device for telecommunication networks A switching device for telecommunication networks, which comprises I/O ports, arranged by groups in I/O cards, for inputting incoming data streams and outputting outgoing data streams of arbitrary protocols, a switching fabric SF for handling internal data streams, ...	03/04/2008
7305013	Handling traffic in a synchronous communication network A method for enabling communication between synchronous network elements, which is adapted to support dynamic application of various types of changes, such as adding a new channel, to an aligned group of virtually concatenated channels carrying communication traffic...	12/04/2007
7280768	Method and system for handling optical signals A method and a system for performing pre-emphasis of one or more optical channels respectively carrying one or more optical signals, by effecting bit rate of the one or more of the signals, thereby adjusting BER value thereof. ...	10/09/2007
7254228	Method and system for effective utilizing the switching capacity of local exchanges To support a changing volume of a voice-grade traffic in an access network having a local exchange with a limited capacity, provide two or more access networks each having subscribers and associated local exchange with a limited capacity; each capable of dividing tr...	08/07/2007
7242864	Technique for power control in optical networks A technique for maintaining a required value of power per optical communication channel in a chain of optical nodes (112, 114, 118, 116) connected by optical fiber spans (111, 119, 121), wherein at least some of the nodes include optical amplifiers (	07/10/2007
7199920	Two stage optical amplifier The invention describes a two-stage optical amplifier adapted for inserting OADM in the mid-stage, and an integrated assembly designed for implementing the amplifier in a way suitable for forming unidirectional and bi-directional configurations useful in optical net...	04/03/2007
7199921	Two stage optical amplifier The invention describes a system of two-stage optical amplifiers adapted for inserting OADM in the mid-stage, and an integrated assembly designed for implementing the amplifiers in a way suitable for forming bi-directional configurations useful in optical networks. ...	04/03/2007
7187862	Method of locating faults in optical telecommunication networks A method, a system and a module are proposed for detecting and locating faults in an optical multi channel network composed of network nodes. The method includes assigning different sub-carrier pilot tones to a number of the nodes comprising Network Elements (NE), a...	03/06/2007
7184553	Method and system for encryption of optical signals A method, a system and a device for encrypting an optical signal to be transmitted via an optical fiber communication link by causing controlled chromatic dispersion of said signal. The controllable decryption device, as well as the controllable decryption device, c...	02/27/2007
7181139	Optical switching apparatus and methods An optical switching apparatus in an optical communication network selectively combines and separates, using OTDM and/or WDM, optical signal samples that are obtained by a spread spectrum technique or a combination of optical signal samples that are obtained by a sp...	02/20/2007
7142549	Digital hierarchy based communication systems An interface device for providing a gateway function between lines of a public switched telephone network (PSTN) that carry digital hierarchy signals and an asynchronous transfer mode (ATM) backbone network that carries signals in ATM format, the interface device co...	11/28/2006
7139477	Method and system for diverting traffic in a communication network A method for diverting communication traffic in an optical network from a first optical link extending between a first and a second locations, to a second optical link extending either directly between the first and the second locations or via a third location, whic...	11/21/2006
7127178	Optical communication device An optical extending device for use in transmission of optical signals which comprise at least one sequence of periodic optical signals, said optical device comprising: a first fiber optic having a characteristic dimensional propagation coefficient equal to β1...	10/24/2006
7124158	Technique for high speed PRBS generation A method and a generator are described for high speed generation of an S-bit long pattern of a PRBS sequence to be periodically burst on to a bus of width S. The technique provides the calculation time being independent from the width S of the bus, and comprises cal...	10/17/2006
7080377	Method for effective utilizing of shared resources in computerized system A method for utilizing shared resources in a computerized system, where commands are processed by a processor and executed by one or more of the shared resources, the method comprises steps: a) deriving, from each of the commands, subcommands respectively related to...	07/18/2006
7068947	Multi wavelength communication apparatus A communication apparatus for use with a light source providing a light beam having a wavelength λ. The apparatus comprises at least one optical modulator adapted to modulate the light beam to a modulated light signal which comprises at least two additional spectra...	06/27/2006
7064814	Chromatic dispersion measurement and compensation The invention proposes a technique for measuring chromatic dispersion in an optical communication line transmitting an optical signal at a predetermined optical wavelength. The technique comprises determining the sign of chromatic dispersion and includes introducing...	06/20/2006
7058056	Method, device and system for delay equalizing in high rate data streams A method, a device and a system for delay equalizing of fragment data streams transmitted via N individual paths and forming a virtual data stream, wherein the virtual data stream and each of said fragment data streams consisting of data frames; the method including...	06/06/2006
7046429	Method and system for span optical power control There is proposed a method and a module for real time control of power per optical channel in a multi-channel optical communication line formed by a group of optical elements connected in a chain by fiber spans. The group of elements comprises one or more optical fi...	05/16/2006
7024116	Optical add drop multiplexer The invention proposes a Grouped Optical Add Drop Multiplexer (GOADM) comprising a periodic filter for forming a group of spaced optical wavelengths to be dropped or added. ...	04/04/2006
7023848	Rearrangement of data streams A method and a system for errorless switching, in a telecommunication network, from a basic data stream to a copy of the basic data stream obtained by bridging of the basic data stream at a first network node, being characterized in that the switching is performed a...	04/04/2006
6996125	Method and device for delivering communication in ethernet-over-synchronous networks A method for enabling provision of service-levels in an Ethernet-over-synchronous communication network, by: receiving Ethernet frames at an input rate; mapping the Ethernet frames into a synchronous protocol;...	02/07/2006
6990067	Protection in a communication network An optical communication switch operative in a communication network which is adapted to enable protection of a segment, or a number of segments, along an optical path in the communication network. ...	01/24/2006
6957265	QoS-sensitive path selection in ATM network The invention relates to a method and a software product for selecting an optimal path in an ATM network. The proposed method of optimal path selection is applicable to quite a wide class of ATM networks or parts thereof which comprise a plurality of links satisfyin...	10/18/2005
6928124	Method and system for fast synchronization multiframe structures using periodic signatures The invention describes a method and a system for fast and economic synchronization of multiframe structures, such as PDH multiframe binary signals, by detecting a periodic binary signature in a binary signal using one final state machine (FSM) comprising a logical ...	08/09/2005

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Assignee: ECI Telecom Ltd.