Patent application number | Description | Published |
20130004155 | Method of Providing End-to End Connection in a Unified Optical and Coaxial Network - A method in a network device for providing end-to-end connection in a unified optical and coax network, comprising receiving at an integrated node device (IND) a frame from an optical line terminal (OLT), wherein the frame comprises a data frame and a logical link identifier (LLID), and placing the data in a one of a plurality of buffers based on the LLID, wherein the one of the plurality of buffers corresponds to a customer premises equipment (CPE) associated with the LLID, wherein the data frame stays intact in a media access control (MAC) layer. | 01-03-2013 |
20130215940 | Method for Robust Crosstalk Precoder Training in Channels with Impulse Noise - An apparatus comprising a first transceiver at a central office (CO) coupled to a second transceiver at a customer premise equipment (CPE) via a digital subscriber line (DSL), a crosstalk precoder coupled to the first transceiver at the CO, and a vectoring control entity (VCE) coupled to the transceiver via a feedback channel and to the crosstalk precoder, wherein the second transceiver comprises a noise monitor configured to detect non-crosstalk noise in a downstream signal from the CO to the CPE, and wherein the first transceiver is configured to receive a predefined special feedback signal from the second transceiver that indicates whether non-crosstalk noise is detected in the downstream signal instead of a measured error value. | 08-22-2013 |
20130236177 | DELIVERING DOWNSTREAM DATA IN ETHERNET PON OVER COAX NETWORK - An apparatus comprising a processor configured to obtain one or more plant conditions regarding at least one of a plurality of customer premises equipment (CPEs) remotely coupled to the apparatus via electrical lines, and divide the plurality of coupled CPEs into a number of profile groups based on the one or more plant conditions, wherein each profile group comprises at least one CPE and supports one or more modulation orders. | 09-12-2013 |
20130236185 | EXTENDING EPON MULTI-POINT CONTROL PROTOCOL TO RUN ON ETHERNET PON OVER COAX NETWORKS - A method implemented by a middlebox comprising registering a customer premises equipment (CPE) in the middlebox, wherein the CPE is coupled to the middlebox via an electrical line, and facilitating registration of the CPE in a central office (CO) equipment coupled to the middlebox. | 09-12-2013 |
20130343761 | Access Equipment that Runs Ethernet Passive Optical Network (PON) or Ethernet PON Over Coax Network - An optical line terminal (OLT) comprising an optical transmitter, and an optical port coupled to the optical transmitter, wherein the optical port is configured to couple to a hybrid fiber coaxial (HFC) node via an optical fiber, and wherein the optical transmitter is configured to transmit analog signals to the HFC node via the optical fiber. Also included is a coaxial line terminal (CLT) comprising an electrical transmitter, and an electrical port coupled to the electrical transmitter, wherein the electrical port is configured to couple to a coaxial network unit (CNU) via an electrical cable, and wherein the electrical transmitter is configured to transmit radio frequency (RF) signals to the CNU via the electrical cable. | 12-26-2013 |
20140133858 | Method and Apparatus of Managing Bandwidth Allocation for Upstream Transmission in a Unified Optical-Coaxial Network - A method of allocating bandwidth in a network comprising receiving a GATE message allocating a transmission time window in an optical portion of the network to a coaxial network unit (CNU) in a coax portion of the network, and generating a coax network resource map by mapping the transmission time window to communication channel resources in the coax portion of the network; and sending the coax network resource map to the CNU. | 05-15-2014 |
20140133859 | Method and Apparatus of Managing Bandwidth Allocation for Upstream Transmission in a Unified Optical-Coaxial Network - A method of allocating upstream bandwidth on a network comprising mapping an integer portion of a value obtained from a grant start time into a symbol number of a data frame on a coaxial segment of the network, wherein the value comprises the grant start time in units of a length of a data frame in the coaxial segment of a network, and wherein the length of the data frame comprises a preselected number of units of time defined in an optical segment of a network; mapping a fractional portion of the value obtained from the grant start time into a subcarrier number of the data frame; and mapping a grant length into a number subcarriers of the data frame. | 05-15-2014 |
20140186025 | Method and Apparatus for Measuring Round Trip Delay in a Unified Optical-Coaxial Network - A method of determining a round trip delay time in a network comprising receiving a gate message allocating a transmission time window; retrieving a first timestamp from the gate message; setting a first clock to the time corresponding to the first timestamp, and wherein the first clock runs synchronously with a second clock recovered from a received data stream; sending upstream, after a time interval comprising a grant start time included in the transmission time window offset by a random delay time, a registration request message, wherein the registration request message includes a second timestamp obtained from the first clock; and determining a round trip delay (RTT) from a time the registration request message is received and the second timestamp. | 07-03-2014 |