Abstract: A method for equalization in an access network of passive optical network type. The method includes, for a given optical distribution network connecting a given input port of an optical line termination to a given plurality of optical network units: for at least one of the optical network units of the given plurality, obtaining a distance between the optical line termination and the optical network unit; determining a representative distance associated with the given optical distribution network, according to the one or more distances obtained; determining at least one equalization parameter, according to the representative distance; and equalizing transmission channels within the given optical distribution network, according to the at least one equalization parameter, each of the transmission channels connecting the given port of the optical line termination to one of the optical network units of the given plurality.

Abstract: A finite impulse response optical filtering device. The device includes: at least one 1 to N optical coupler), configured to separate an incident optical signal into N optical signals transmitted at the input of N optical channels, respectively; N optical channels each comprising an optical waveguide capable of propagating an optical signal transmitted on the channel, a module configured to attenuate or amplify the optical signal propagated by the optical waveguide and a delay module capable of delaying a propagation of the optical signal by the optical waveguide; and P photodiodes arranged at the output of an N/P set of N optical channels, respectively, and configured so that optical signals delivered by the optical waveguides of the set of N/P optical channels are incident on a detection surface of the photodiode arranged at the output of the set of N/P optical channels.

Abstract: An amplification method intended for a PON access network, which includes an OLT with multiple ports and with one bidirectional amplifier per port that is shared for the transmission downlink and uplink, at least one ODN connecting a given port of the OLT to a plurality of ONUs and defining a transmission channel, access to the transmission channel for the uplink being of TDMA type and the transmission channel for the downlink being time-shared. The method includes, for a given ODN: receiving bursts from the ONUs, modulating the gain of the amplifier in synchronicity with the received bursts.

Abstract: A method for uplink data transmission, implemented in an apparatus at a boundary between a first passive optical network and a second passive optical network and having a receive protocol stack and a transmit protocol stack. Data is received at a physical layer of the receive stack in a first uplink optical burst originating from the second passive optical network. The method includes in series, at a sublayer of the transport layer of the receive stack, referred to as an encapsulation level, transmitting the data directly to a service layer of the transmit stack, without processing by sublayers above the encapsulation level in the receive stack; successively processing in the transmission stack, by the service layer, by a transport layer and by a physical layer; and transmitting the data in a second uplink optical burst to the first passive optical network.

Abstract: A method for downlink transmission of data, implemented in an equipment at a boundary between a first passive optical network and a second passive optical network, including a reception protocol stack and a transmission protocol stack. The data is received in the first downlink optical signal from the first passive optical network at a physical layer of the reception stack, then successively processed in the reception stack by the physical layer, a transport layer and a service layer.

Abstract: A method for equalization in an access network of passive optical network type. The method includes, for a given optical distribution network connecting a given input port of an optical line termination to a given plurality of optical network units: for at least one of the optical network units of the given plurality, obtaining a distance between the optical line termination and the optical network unit; determining a representative distance associated with the given optical distribution network, according to the one or more distances obtained; determining at least one equalization parameter, according to the representative distance; and equalizing transmission channels within the given optical distribution network, according to the at least one equalization parameter, each of the transmission channels connecting the given port of the optical line termination to one of the optical network units of the given plurality.