Patent application number | Description | Published |
20100241878 | System and Method for Mirroring Power Over Ethernet Registers in a Physical Layer Device Over a Single Isolation Boundary - A system and method for mirroring power over Ethernet (PoE) registers in physical layer devices (PHYs) over a single isolation boundary. PHYs in a PoE system can be arranged in a master/slave configuration. In this configuration, a master PHY can be designed to communicate with the power source equipment controllers via a single isolation device. | 09-23-2010 |
20110007739 | System and Method for Enhanced Physical Layer Device Autonegotiation - A system and method for enhanced physical layer device autonegotiation. The autonegotiation process typically identifies the highest common denominator amongst various standardized modes of operation. Enhanced autonegotiation can be used to select a mode of operation that is not the highest common denominator. Enhanced autonegotiation can also identify a non-standardized mode of operation using next page messaging, additional physical signaling, or Layer 2 messaging. | 01-13-2011 |
20110010609 | System and Method for Achieving Higher Data Rates in Physical Layer Devices - A system and method for achieving higher data rates in physical layer devices. Costs imposed by large data rate increases represented by generational increases in Ethernet standards activities are avoided through physical layer device modifications that enable marginal increases in data bandwidth. Building-block reuse can be promoted through the selective use of clocking rate increase, increase in coding efficiency, and bit reuse. | 01-13-2011 |
20110022923 | System and Method for Achieving Greater Than 10 Gbit/s Transmission Rates for Twisted Pair Physical Layer Devices - A system and method for achieving greater than 10 Gbit/s transmission rates for twisted pair physical layer devices. An architecture is provided that enables transmission at the next standardized transmission rate over structured cabling. | 01-27-2011 |
20110026416 | System and Method for Dynamic Power Control for Energy Efficient Physical Layer Communication Devices - A system and method for dynamic power control for energy efficient physical layer communication devices. Energy-efficiency features are continually being developed to conserve energy in links between such energy-efficient devices. These energy-efficient devices interoperate with many legacy devices that have already been deployed. In these links, energy savings can be produced by having a local receiver enter an energy saving state based upon the receipt of standard IDLE signals. | 02-03-2011 |
20110122891 | Variable Rate Twisted pair, Backplane and Direct Attach Copper Physical Layer Devices - Variable rate twisted pair, backplane and direct attach copper physical layer devices (PHYs). A variable-rate PHY can be designed to identify a mode of operation based on identified characteristics of a communication channel. The identified mode of operation can support a data rate lower than that of a connected media access control (MAC). The lower data rate promotes reuse of legacy media and existing MACs. | 05-26-2011 |
20110200056 | System and Method for Frequency Division Multiplexed High Speed Physical Layer Devices - A system and method for frequency division multiplexed high speed physical layer devices. A next generation Ethernet device can be generated through reuse of existing architectures. Multiple instantiations of an existing architecture can be supported on a given wire pair by frequency division multiplexing on a number of carriers. The multiple instantiations can enable multiple modes that can support different configurations, variable rates, and energy efficient Ethernet. | 08-18-2011 |
20110202781 | System and Method for Loop Timing Update of Energy Efficient Physical Layer Devices Using Subset Communication Techniques - A system and method for loop timing update of energy efficient physical layer devices using subset communication techniques. During a quiet period during which a subset of communication channels are transitioned from an active mode to a low-power mode, circuitry in the active channel can be designed to track, on behalf of the inactive channels, the phase drift due to the frequency offset. This tracking of the frequency estimation error would reduce the time required to perform a timing update for the communication channels when transitioning back to the active mode. | 08-18-2011 |
20110249687 | System and Method for Forming N0GBASE-T - A system and method for forming N0GBASE-T. In one embodiment, N 10GBASE-T PHYs are matched to a NĂ—10G MAC via a shim layer. The shim layer is designed to distribute data received from a higher rate MAC to multiple lower-rate PHYs on the transmit end, and to collect data received from multiple lower-rate PHYs to a higher rate MAC. | 10-13-2011 |
20110255427 | System and Method for Physical Layer Device Enabled Clock Diagnostics - A system and method for physical layer device enabled clock diagnostics. The physical layer device can monitor the performance of a clock recovery module. Performance monitoring can be performed on the output clock signal or the control components used to generate the output clock signal. In one embodiment, the performance monitoring is correlated to particular data patterns to provide an accurate determination of variations or other inconsistencies within the clock recovery module. | 10-20-2011 |
20110258465 | System and Method for Physical Layer Device Enabled Power Over Ethernet Processing - A system and method for physical layer device enabled power over Ethernet (PoE) processing. A digital PoE control module is included within a physical layer device and is designed to complement an analog PoE control module within a power sourcing equipment. The inclusion of the digital PoE control within the physical layer device reduces the complexity of the power sourcing equipment without sacrificing PoE control features. | 10-20-2011 |
20110313692 | Enhanced Intelligent Patch Panel Diagnostic Management - A system and method for enhanced intelligent patch panel diagnostic management. Physical layer device technology can be implemented into a patch panel to perform diagnostics of a communication channel. This diagnostic information (e.g., length of cable, location of cable fault, type of cable, etc.) can be displayed on a display of the patch panel management system to assist IT personnel. | 12-22-2011 |
20120170591 | Advanced and Dynamic Physical Layer Device Capabilities Utilizing a Link Interruption Signal - Advanced and dynamic physical layer device capabilities utilizing a link interruption signal. The physical layer device can use a link interruption signal to signal to a media access controller device that the link has temporarily been interrupted. This link interruption signal can be generated in response to one or more programmable modes of the physical layer device that are used to support the advanced and dynamic physical layer device capabilities. | 07-05-2012 |
20120240004 | System and Method for Achieving Higher Data Rates in Physical Layer Devices - A system and method for achieving higher data rates in physical layer devices. Costs imposed by large data rate increases represented by generational increases in Ethernet standards activities are avoided through physical layer device modifications that enable marginal increases in data bandwidth. Building-block reuse can be promoted through the selective use of clocking rate increase, increase in coding efficiency, and bit reuse. | 09-20-2012 |
20130034009 | System and Method for Dynamic Power Control for Energy Efficient Physical Layer Communication Devices - A system and method for dynamic power control for energy efficient physical layer communication devices. Energy-efficiency features are continually being developed to conserve energy in links between such energy-efficient devices. These energy-efficient devices interoperate with many legacy devices that have already been deployed. In these links, energy savings can be produced by having a local receiver enter an energy saving state based upon the receipt of standard IDLE signals. | 02-07-2013 |
20130036232 | System and Method for Enhanced Physical Layer Device Autonegotiation - A system and method for enhanced physical layer device autonegotiation. The autonegotiation process typically identifies the highest common denominator amongst various standardized modes of operation. Enhanced autonegotiation can be used to select a mode of operation that is not the highest common denominator. Enhanced autonegotiation can also identify a non-standardized mode of operation using next page messaging, additional physical signaling, or Layer | 02-07-2013 |
20130036316 | System and Method for Physical Layer Device Enabled Power Over Ethernet Processing - A system and method for physical layer device enabled power over Ethernet (PoE) processing. A digital PoE control module is included within a physical layer device and is designed to complement an analog PoE control module within a power sourcing equipment. The inclusion of the digital PoE control within the physical layer device reduces the complexity of the power sourcing equipment without sacrificing PoE control features. | 02-07-2013 |
20130054996 | Energy Efficiency Ethernet with Low Power Active Idle Transmission Mode - Energy efficient Ethernet with a low power active idle transmission mode. A low power active idle transmission mode is defined for the transmission of idle signals during inter-packet gaps. The low power active idle transmission mode can provide energy savings in those instances that preclude the use of a low power idle mode and/or subrating to produce greater energy savings. | 02-28-2013 |
20130058265 | Ethernet Physical Layer Device Using Time Division Duplex - An Ethernet physical layer device using time division duplex. A time division duplex frame can be defined with uplink and downlink transmission periods. These defined uplink and downlink transmission periods can be adjusted based on bandwidth and latency considerations on the network link. | 03-07-2013 |
20130139027 | System and Method for Achieving Greater Than 10 Gbit/s Transmission Rates for Twisted Pair Physical Layer Devices - A system and method for achieving greater than 10 Gbit/s transmission rates for twisted pair physical layer devices. An architecture is provided that enables transmission at the next standardized transmission rate over structured cabling. | 05-30-2013 |
20140092916 | Method and System for Training an Ethernet Channel Based on an Active Channel to Support Energy Efficient Ethernet Networks - An Ethernet link may comprise silent and active channels and may support energy efficient Ethernet communication. Training parameters from the one or more active channels may be utilized for determining and/or adjusting training parameters for silent channels prior to activation. Training parameters for silent channels may be determined based on copying training parameters from active channels. Determination of training parameters for silent channels may be based on a weighted average of the active channel training parameters. A delta between active channel training parameters from a prior time and subsequent time may be utilized to determine a correction factor for adjusting training parameters for a silent channel from a prior time. Silent channels may be adjusted based on active channel training parameters and then subsequently may be trained. Training parameters may be adjusted for one or more of an echo canceler, a near-end crosstalk canceler and a far-end canceler. | 04-03-2014 |
20140098826 | Method and System for Dynamically Determining When to Train Ethernet Link Partners to Support Energy Efficient Ethernet Networks - Training, refreshing and/or updating Ethernet link partners for silent channels and/or silent directions of channels may be determined based on control parameters. This may be used to improve energy efficiency in Ethernet communication. Control parameters may comprise a default value and/or may be determined based on prior training, refreshing and/or updating. New values for the control parameters may be generated based on a magnitude of change between current and prior control parameter values or based on performance such as bit error rate. User input may be utilized to determine when to execute the training, refreshing and/or updating. The training, refreshing and/or updating may be done for one or more of a near-end crosstalk canceller, alien near-end crosstalk canceller, far-end crosstalk canceller, alien far-end crosstalk canceller and echo canceller. After the training, refreshing and/or updating, the silent channels may transition to active and/or may remain silent. | 04-10-2014 |
20140105222 | Method and System for Utilizing a Reserved Channel to Manage Energy Efficient Network Protocols - Aspects of a method and system for utilization of a reserved and/or out of band channel for managing a data rate of an Ethernet channel are provided. In this regard, a data rate of a network link may be managed via traffic communicated over a reserved and/or out of band channel on said network link. The reserved and/or out of band channel may be an auxiliary channel established in the IEEE 802.3AN standard. Traffic communicated over the reserved and/or out of band channel may enable negotiating a data rate for the link, scheduling a change in the data rate on the link, exchanging link state information, configuring a number of active physical channels on the link, configuring a signal constellation utilized for representing data on said the link, configuring an inter-frame or inter-packet gap, and/or configuring signal levels utilized for signaling on the link. | 04-17-2014 |
20140153401 | Method and System for Symmetric Transmit and Receive Latencies in an Energy Efficient PHY - Aspects of a method and system for symmetric transmit and receive latencies in an energy efficient PHY are provided. In this regard, a delay introduced by a PHY of a network device for outbound traffic and a delay introduced by the PHY for inbound traffic may be controlled such that a transmit delay of the network device is equal, within a tolerance, to a receive latency of the network device. The delays may be controlled based on whether one or more energy efficiency features are enabled in the PHY. The delay introduced by the PHY for outbound traffic may be controlled based on an amount of buffered inbound traffic. The delay introduced by the PHY for inbound traffic may be controlled based on an amount of buffered outbound traffic. The delays may be controlled such that said receive latency and the transmit latency are approximately constant regardless of a mode of operation of the network device. | 06-05-2014 |