Abstract: The present disclosure relates to methods and devices for processing a physical layer operations, administration, and maintenance (PLOAM) reset message. One example method includes receiving the PLOAM reset message comprising a reset level, the reset level comprising an indication of a component of an optical network unit (ONU) to be reset, and resetting the ONU according to the reset level.

Abstract: A method of fragmented packet reception in a multiple-channel passive optical network (PON). The method includes receiving, at a receiver, a plurality of encapsulated packet fragments over a plurality of channels. Each packet fragment of the plurality of packet fragments comprises a header. The method also includes assembling the plurality of packet fragments according to arrival times of respective headers of the plurality of packet fragments. The method further includes buffering, by a processor, the plurality of packet fragments in a sequence based on the arrival times of the respective headers.

Abstract: A method and apparatus for communications in a passive optical network (PON) system are provided. An optical line terminal (OLT) generates a PON downstream Physical Layer (PHY) frame comprising a downstream physical synchronization block (PSBd) that comprises a wavelength identification (ID) of at least one downstream wavelength of the plurality of downstream wavelengths. The OLT sends the PON PHY frame comprising the wavelength ID in the PSBd to ONU for confirming the at least one downstream wavelength.

Abstract: An apparatus comprises: a processor configured to: select a first channel from among a plurality of channels in a network, and generate a first message assigning a first grant corresponding to the first channel; a transmitter coupled to the processor and configured to transmit the first message; and a receiver coupled to the processor and configured to receive a second message on the first channel and in response to the first message. A method comprises: selecting a first channel from among a plurality of channels in a network; generating a first message assigning a first grant corresponding to the first channel; transmitting the first message; and receiving a second message on the first channel in response to the first message.

Abstract: A method implemented at a transmitter in a passive optical network (PON), the method comprising the transmitter fragmenting a data packet into multiple frames, with each frame of the multiple frames including a data packet preamble, with the data packet preamble including an indicator associated with at least one lane to be used to transmit the data packet and a logical link identifier (LLID), the indicator identifying a first lane selected from a plurality of lanes, identifying at least one frame transmitted over the first lane, and identifying the lane order of the plurality of lanes, and the transmitter transmitting the multiple frames over the plurality of lanes.

Abstract: A method and apparatus for communications in a passive optical network (PON) system are provided. An optical line terminal (OLT) generates a PON downstream Physical Layer (PHY) frame comprising a downstream physical synchronization block (PSBd) that comprises a wavelength identification (ID) of at least one downstream wavelength of the plurality of downstream wavelengths. The OLT sends the PON PHY frame comprising the wavelength ID in the PSBd to ONU for confirming the at least one downstream wavelength.

Abstract: A passive optical network (PON) includes a first optical line terminal (OLT), a second OLT, and an optical network unit (ONU). The first OLT sends an equalization delay change message to the ONU, wherein the equalization delay change message includes an equalization delay, an upstream channel ID and a downstream channel ID corresponding to the equalization delay. The ONU receives the equalization delay change message. When the ONU tunes from the first OLT to the second OLT, the ONU obtains the equalization delay for upstream transmission according to the upstream channel ID and the downstream channel ID.

Abstract: An optical line terminal (OLT) coupled to a plurality of optical network units (ONUs) through a passive optical network (PON). The OLT includes a transceiver configured to communicate via a management channel of a communication network with a plurality of OLTs. The communication includes sending or receiving a notification, wherein the notification includes the following: a source OLT identifier associated with a source OLT sending the notification, wherein the source OLT is configured to communicate over a first channel at a first wavelength of the PON; a destination OLT identifier associated with a destination OLT receiving the notification, wherein the destination OLT is configured to communicate over a second channel at a second wavelength of the PON; and an ONU identifier associated with a first ONU associated with the notification.

Abstract: A method and apparatus for communications in a passive optical network (PON) system are provided. An optical line terminal (OLT) generates a PON downstream Physical Layer (PHY) frame comprising a downstream physical synchronization block (PSBd) that comprises a wavelength identification (ID) of at least one downstream wavelength of the plurality of downstream wavelengths. The OLT sends the PON PHY frame comprising the wavelength ID in the PSBd to ONU for confirming the at least one downstream wavelength.

Abstract: A computer-implemented method of handling Ethernet packets in a passive optical network (PON) is disclosed. The method comprises generating, by the one or more processors, an initial envelope header that indicates that the initial envelope header is not a preamble replacement; transmitting, over the PON, by the one or more processors, the initial envelope header; accessing, by the one or more processors, an eight-byte block from a first Ethernet packet of a plurality of Ethernet packets; in response to the eight-byte block being an Ethernet preamble, generating, by the one or more processors, a first envelope header that indicates that the envelope header is a preamble replacement; and transmitting, over the PON, by the one or more processors, the first envelope header.

Abstract: In one embodiment, a method for passive optical network (PON) communication includes broadcasting, by an optical line terminal (OLT), a first message including a first start time of a first quiet window and a first allocation identification number (Alloc-ID), where the first Alloc-ID indicates a first supported upstream line rate associated with the first quiet window. The method also includes receiving, by the OLT from a first optical network unit (ONU) during the first quiet window, a first serial number response, wherein a first transmitting upstream line rate of the first ONU is equal to the first supported upstream line rate.

Abstract: A method and apparatus for communications in a passive optical network (PON) system are provided. An optical line terminal (OLT) generates a PON downstream Physical Layer (PHY) frame comprising a downstream physical synchronization block (PSBd) that comprises a wavelength identification (ID) of at least one downstream wavelength of the plurality of downstream wavelengths. The OLT sends the PON PHY frame comprising the wavelength ID in the PSBd to ONU for confirming the at least one downstream wavelength.

Abstract: A method implemented at a transmitter in a passive optical network (PON), the method comprising the transmitter fragmenting a data packet into multiple frames, with each frame of the multiple frames including a data packet preamble, with the data packet preamble including an indicator associated with at least one lane to be used to transmit the data packet and a logical link identifier (LLID), the indicator identifying a first lane selected from a plurality of lanes, identifying at least one frame transmitted over the first lane, and identifying the lane order of the plurality of lanes, and the transmitter transmitting the multiple frames over the plurality of lanes.

Abstract: The present disclosure relates to methods and devices for processing a physical layer operations, administration, and maintenance (PLOAM) reset message. One example method includes receiving the PLOAM reset message comprising a reset level, the reset level comprising an indication of a component of an optical network unit (ONU) to be reset, and resetting the ONU according to the reset level.

Abstract: A method of fragmented packet reception in a multiple-channel passive optical network (PON). The method includes receiving, at a receiver, a plurality of encapsulated packet fragments over a plurality of channels. Each packet fragment of the plurality of packet fragments comprises a header. The method also includes assembling the plurality of packet fragments according to arrival times of respective headers of the plurality of packet fragments. The method further includes buffering, by a processor, the plurality of packet fragments in a sequence based on the arrival times of the respective headers.

Abstract: Methods and apparatus are provided for identifying a connection between a reach extender channel termination (RE-CT) and an optical network unit (ONU). A method performed by an optical line terminal (OLT) for identifying a connection between a RE-CT and an ONU includes transmitting, by the OLT, a dynamic bandwidth allocation (DBA) grant to the ONU via a multi-channel termination reach extender (MCRE), retrieving, by the OLT from the MCRE, recorded optical signal power measurements associated with an upstream transmission by the ONU, and identifying, by the OLT, the RE-CT of the MCRE that is connected to the ONU by correlating the recorded optical signal power measurements associated with the upstream transmission by the ONU with the DBA grant.

Abstract: An apparatus comprises: a processor configured to: select a first channel from among a plurality of channels in a network, and generate a first message assigning a first grant corresponding to the first channel; a transmitter coupled to the processor and configured to transmit the first message; and a receiver coupled to the processor and configured to receive a second message on the first channel and in response to the first message. A method comprises: selecting a first channel from among a plurality of channels in a network; generating a first message assigning a first grant corresponding to the first channel; transmitting the first message; and receiving a second message on the first channel in response to the first message.

Abstract: An apparatus in a passive optical network (PON) is configured to modify a preamble of a data packet to include channel bonding information. The apparatus may further fragment the data packet into a plurality of data frames and transmit the fragmented data frames through multiple channels. The channel bonding information may be used to identify different channels and to identify data frames transmitted through each channel.

Abstract: An OLT comprises: a memory; a processor coupled to the memory and configured to: determine each of a plurality of channels associated with an ONU, select a first channel from among the channels, and generate a first message comprising at least one field instructing enablement or disablement of the first channel; and a transmitter coupled to the processor and configured to transmit the first message to the ONU. A method implemented in an OLT, the method comprises: determining each of a plurality of channels associated with an ONU; selecting a first channel from among the channels; generating a first message comprising at least one field instructing enablement or disablement of the first channel; and transmitting the first message to the ONU.

Abstract: A method of fragmented packet transmission in a multiple-channel passive optical network (PON), comprising fragmenting, by a Gigabit-PON encapsulation method (GEM)/next generation-PON encapsulation method (XGEM) engine of a network element, data into a plurality of packet fragments; encapsulating, by the GEM/XGEM engine, the plurality of packet fragments into frames; scheduling, by a bonding block of the network element, transmission of the frames on a plurality of channels, wherein an order for transmitting the frames is based in part on channel availability; and transmitting, by a transmitter of the network element, the frames to a receiver on the plurality of channels according to the scheduling.