Assignee: Teknovus, Inc.

Location: Petaluma, CA
No. of patents: 21

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Number	Title	Issue Date
7719977	Method and apparatus for dynamically allocating upstream bandwidth in passive optical networks One embodiment of the present invention provides a system that facilitates dynamic allocation of upstream bandwidth in a passive optical network which includes a central node and at least one remote node. Each remote node is coupled to at least one logical entity, w...	05/18/2010
7693178	Small form factor, pluggable ONU The present invention provides a small form factor, pluggable ONU, which includes a bi-directional optical transceiver configured to transmit optical signals to and receive optical signals from an OLT. The ONU further includes an ONU chip coupled to the optical tran...	04/06/2010
7664019	Method and apparatus for facilitating differentiated service qualities in an ethernet passive optical network One embodiment of the present invention provides a system for forwarding packets in an Ethernet passive optical network (EPON) which includes a central node and at least one remote node. During operation, the system associates a logical link identifier (LLID) to a l...	02/16/2010
7660528	Method and system for mitigating Raman crosstalk in an Ethernet passive optical network One embodiment of the present invention provides a system for mitigating Raman crosstalk between downstream data and video transmission in an Ethernet passive optical network (EPON), wherein the EPON includes an optical line terminal (OLT) and one or more optical ne...	02/09/2010
7630639	Method and apparatus for transmission control in an ethernet passive optical network One embodiment of the present invention provides a system that facilitates transmission control in an Ethernet passive optical network, which includes a central node and at least one remote node, and wherein a remote node implements a data-link layer and a physical ...	12/08/2009
7590139	Method and apparatus for accommodating TDM traffic in an ethernet passive optical network One embodiment of the present invention provides a system for accommodating time-division multiplexing (TDM) traffic in an Ethernet passive optical network (EPON). During operation, the system receives data from an upstream TDM channel at a remote node and stores re...	09/15/2009
7545813	Method and apparatus for registering multiple remote nodes in an ethernet passive optical network One embodiment of the present invention provides a system that facilitates registration of remote nodes in an Ethernet passive optical network (EPON). The system includes a central node and at least one remote node, wherein a number of virtual remote nodes are coupl...	06/09/2009
7525982	Method and apparatus for facilitating asymmetric line rates in an Ethernet passive optical network One embodiment of the present invention provides a method for facilitating asymmetric line rates in an Ethernet passive optical network (EPON) which includes a central node and at least one remote node. During operation, the system provides a downstream code-group c...	04/28/2009
7505459	Method and apparatus for switching packets in a passive optical network One embodiment of the present invention provides a system that performs packets switching in a passive optical network which includes a central node and at least one remote node. After receiving a packet, the system obtains a first set of results by performing a fir...	03/17/2009
7477845	Method and apparatus for reducing data burst overhead in an ethernet passive optical network A system is provided to reduce data burst overhead in an Ethernet passive optical network. During operation, the OLT transmits grant messages to a number of ONUs, wherein a grant message assigns a start time and a duration of a transmission timeslot in which an GNU ...	01/13/2009
7443850	Method and apparatus for L3-aware switching in an Ethernet passive optical network One embodiment of the present invention provides a system that performs layer 3 (L3) aware switching in an Ethernet passive optical network (EPON) which includes a central node and at least one remote node. During operation, the system maintains a set of mapping inf...	10/28/2008
7436765	Method and apparatus for dynamically allocating upstream bandwidth in passive optical networks One embodiment of the present invention provides a system that facilitates dynamic allocation of upstream bandwidth in a passive optical network which includes a central node and at least one remote node. Each remote node is coupled to at least one logical entity an...	10/14/2008
7382739	Method and apparatus for discovering remote nodes in an ethernet passive optical network One embodiment of the present invention provides a system that facilitates discovery of remote nodes in EPONs. The system includes a central node and at least one remote node. During operation, the system first receives a solicitation message from the central node, ...	06/03/2008
7362704	Method and apparatus for dynamically allocating upstream bandwidth in passive optical networks One embodiment of the present invention provides a system that facilitates dynamic allocation of upstream bandwidth in a passive optical network which includes a central node and at least one remote node. Each remote node is coupled to at least one logical entity, w...	04/22/2008
7349537	Method for data encryption in an ethernet passive optical network One embodiment of the present invention provides a system that decrypts downstream data in an Ethernet passive optical network (EPON). During operation, the system receives a data frame which is encrypted based on a remote input block and a session key, wherein the ...	03/25/2008
7289501	Method and apparatus for bandwidth-efficient multicast in ethernet passive optical networks One embodiment of the present invention provides a system that facilitates bandwidth-efficient multicast in EPONs. The system includes a central node and at least one remote node. Downstream data from the central node is broadcast through a passive optical coupler t...	10/30/2007
7152199	Method and apparatus for delineating data in an FEC-coded Ethernet frame One embodiment of the present invention provides a system that facilitates construction of a forward error correction (FEC) coded Ethernet frame. The system generates a number of FEC parity bits for the conventional Ethernet frame and inserts a start sequence before...	12/19/2006
6967949	Method and apparatus for forwarding packets in an ethernet passive optical network One embodiment of the present invention provides a system that facilitates forwarding of packets in an Ethernet passive optical network (EPON), which includes a central node and at least one remote node. During operation, the system assigns a logical link identifier...	11/22/2005
6775300	Clock distribution in a communications network Clock information related to a reference clock is distributed from a master network node to a slave network node in an asynchronous packet-based network by embedding the clock information into an additional bit stream and multiplexing the additional bit stream with ...	08/10/2004
6768429	Multiplexing an additional bit stream with a primary bit stream with conversion between qB/rB and xB/yB encoded bit streams Managing a primary bit stream involves converting a qB/rB encoded bit stream to an xB/yB encoded bit stream and multiplexing an additional bit stream with the xB/yB encoded bit stream at a transmission side of a link. The additional bit stream is then demultiplexed ...	07/27/2004
6624763	Multiplexing an additional bit stream with a primary bit stream Multiplexing an additional bit stream with a primary bit stream, where the primary bit stream is encoded into an xB/yB encoded bit stream, involves selecting yB code-words to convey the additional bit stream. Each xB word is represented by one yB code-wor...	09/23/2003

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Assignee: Teknovus, Inc.