Maxlinear, Inc.

Lantiq Deutschland Gmbh

Intel Corporation

Lantiq Beteiligungs-gmbh & Co. Kg

Other

Intel Germany Gmbh & Co. Kg

Maxlinear Asia Singapore Pte Ltd

Lantiq Beteillgungs-gmbh & Co. Kg

Intel Corpororation

Intel IP Corporation

Rainer Strobel

Vladimir Oksman

Lilia Smaoui

Gert Schedelbeck

Thushara Hewavithana

Vladamir Oksman

Sigurd Schelstraete

Heinrich Schenk

Dietmar Schoppmeier

Ziv Avital

Santhosh K Vanaparthy

Christian Fleischhacker

Charles Bry

Gerfried Krampl

Ravindra Singh

Puneet Bhatia

Christo Thomas

Murti Devarakonda

Thomas Heuken

Franz Josef Schäfer

Avi Avraham Mansour

A multi-carrier transmitter apparatus is disclosed. The apparatus includes an outer encoder, a shell mapper and an inner encoder. The outer encoder is configured to receive a signal, perform error correction using an outer code on the received signal and generate an outer encoder signal. The shell mapper is configured to perform constellation shaping on a subset of bits from the outer encoder signal and generate one or more constellation shaping bits. The inner encoder is configured to perform inner error correction/encoding using an inner code on a second subset of bits from the outer encoder signal and generate an inner correction signal.

Capacity achieving multicarrier modulation and coding systems and methods

A receiver circuit is disclosed and is configured to receive an optical signal. The receiver circuit includes a receiving circuit configured to receive the optical signal and convert the optical signal from a duobinary signal format into a binary signal based on a plurality of decision thresholds. The receiver circuit also includes a clock data recovery circuit configured to sample the binary signal per data period at a first time instant based on a predetermined clock data recovery technique, and sample the binary signal per data period at a second time instant offset from the first instant, as well as determine an intermediate sample based on an offset for decoding a transmitted bit sequence according to soft information based on the samples.

Electrical duobinary soft information receiver for NRZ modulation fiber transmission

An active cable node circuit associated with a hybrid fiber coax network is disclosed. The active cable node circuit comprises an uplink transceiver circuit configured to couple to an aggregation node circuit over a first coax cable link comprising coaxial cables and receive a set of downstream data signals from the aggregation node circuit. In some embodiments, the active cable node circuit further comprises one or more access transceiver circuits configured to provide the set of downstream data signals received at the uplink transceiver circuit or a processed version thereof, to one or more access circuits. In some embodiments, each of the one or more access transceiver circuits is configured to couple to the uplink transceiver circuit at a first end, and couple to a set of access circuits of the one or more access circuits at a second, different end, over a second coax cable link.

Copper backhaul for hybrid fiber coaxial networks

An access point (AP) for wireless communication may include data processing hardware; and memory hardware in communication with the data processing hardware, the memory hardware storing instructions that when executed on the data processing hardware cause the data processing hardware to perform operations including: identifying, at the AP, one or more transmitting stations having one or more spatial streams; sending, from the AP to the one or more transmitting stations, a sounding request; performing, at the AP, multiple user multiple input multiple output (MU-MIMO) channel estimation based on the sounding request response; computing, at the AP, one or more precoder coefficients for the one or more transmitting stations based on the MU-MIMO channel estimation; and sending, from the AP to the one or more transmitting stations, the one or more precoder coefficients and a transmission trigger.

Wireless LAN uplink multi-user MIMO transmission

An apparatus for a wired communication link is provided. The apparatus includes transmit circuitry for transmitting downstream data over the wired communication link during a frame for full duplex data transmission. The frame comprises a first subframe and a second subframe for downstream data transmission. The first subframe coincides in time with a third subframe of the frame for upstream data transmission, wherein the second subframe coincides in time with a fourth subframe of the frame for upstream data transmission. The first subframe and the fourth subframe are priority subframes. The second subframe and the third subframe are non-priority subframes. Each of the first subframe and the fourth subframes comprises a respective discontinuous operation interval.

Apparatuses for full duplex data transmission over a wired communication link and methods for an apparatus for full duplex data transmission coupleable to a wired communication link

A node circuit associated with a hybrid fiber coax (HFC) network is disclosed. The node circuit includes an optimizer circuit configured to process a plurality of signal-to-noise ratio (SNR) values associated with a plurality of subcarriers, respectively, associated with a set of cable modem (CM) circuits coupled to the node circuit. In some embodiments, at least one subcarrier is allocated to the set of CM circuits for communication with the node circuit. In some embodiments, the optimizer circuit is further configured to determine an optimal transmit power of the node circuit, based on the plurality of SNR values and a transmitter distortion of a transmitter circuit associated with the node circuit. In some embodiments, the transmitter distortion defines a transmitter distortion associated with the transmitter circuit in terms of a total transmit power of the node circuit.

Distortion-optimized transmission in hybrid fiber coax networks

Various examples relate to a concept for generating and using a preamble for transmissions in a point-to-multipoint network, such as a Passive Optical Network (PON). A preamble generation apparatus for generating a preamble for a communication over an optical network comprises circuitry that is configured to generate a first subsection of the preamble, the first subsection of the preamble comprising a repetitive signal pattern. The preamble generation apparatus is configured to generate a second subsection of the preamble subsequent to the first subsection, the second subsection comprising a pseudorandom signal sequence.

Concept for a preamble for a point to multipoint network

A method includes obtaining information about a next upstream burst transmission. The method also includes determining a set of settings based on the information. The method includes adjusting a physical medium dependent (PMD) module based on the set of settings prior to receiving the next upstream burst transmission.

Physical medium dependent (PMD) module with burst prediction

Techniques for implementing timesharing in discontinuous systems, for example to implement low power modes, are discussed. In some embodiments, a set of bit loading tables is determined in advance, and bit loading tables are then selected based on which lines are transmitting and which are quiet.

Timesharing for low power modes

According to an aspect of an embodiment, a method may include assigning an activation window by an optical line terminal during a portion of an upstream transmitting window in a passive optical network (PON). The method may include performing a first modification to a first upstream transmission. The method may include performing a second modification to a second upstream transmission. The method may include receiving the first upstream transmission from a first optical network unit (ONU) during the activation window, the first ONU synchronized in the PON. The method may include receiving a second upstream transmission from a second ONU during the activation window, the second ONU requesting activation in the PON.

Optical network unit activation and low latency transmissions in delay sensitive networks

A receiver for a passive optical network is provided. The receiver includes an analog-to-digital converter circuitry configured generate a digital receive signal based on an analog receive signal. The analog receive signal is based on an optical receive signal encoded with a binary transmit sequence. The receiver additionally comprises linear equalizer circuitry configured to generate an equalized receive signal by linearly equalizing the digital receive signal. Further, the receiver comprises secondary equalizer circuitry configured to generate soft information indicating a respective reliability of elements in the equalized receive signal using the Viterbi algorithm. In addition, the receiver comprises decoder circuitry configured to generate a digital output signal based on the soft information using soft decision forward error correction.

Receiver and receive method for a passive optical network

Methods and devices are discussed. A device configured to operate in a network comprises communication circuitry and a transceiver.

Growing community of inventors

Munich, Germany

Rainer Strobel