Arris Enterprises LLC

Arris Group, Inc.

Arris International IP Ltd

Venkatesh Gururaj Mutalik

Marcel F Schemmann

John Ulm

Zoran Maricevic

John Chrostowski

Zhijian Sun

Dean Stoneback

Amarildo Vieira

Gregory J Cyr

Shamsuddin H Chasmawala

Joseph F Chiappetta

Marcel Franz Christian Schemmann

Thomas J Cloonan

Ayham Al-Banna

Ian G Wheelock

Jun J Wang

Charles Peter Cheevers

Kevin P Orazietti

Long Zou

William John Zenkus

Roy Allen Harbert

Jun Wang

Kevin Orazietta

Systems and methods for relaying upstream signals received from a plurality of subscribers to a remote head end. Some preferred embodiments include upstream transmitters in one or more Optical Network Units that may be dynamically and individually controlled to determine whether the upstream transmission is in burst mode or continuous mode.

Dynamic mode control of upstream ONU transmitters in an RFoG network

Systems and methods for optical modulation index calibration in a CATV network.

Systems and methods for optical modulation index calibration in a CATV network

Methods and systems that reduce power usage in a CATV network. Power usage may be reduced by temporally adjusting the power output of amplifiers in the network. The power output of one or more amplifiers in the network are preferably adjusted based on patterns of temporal usage of the network.

Systems and methods for power savings in HFC amplifiers

A multimode combiner or coupler (MMC) may combine the inputs into a larger core multimode fiber. The multimode combiner may be combined with a re-transmitting laser for detecting and re-transmitting signals. Thus, the multi-mode combiner may detect and combine input signals, and then retransmit the detected, combined signal. The detection can be implemented with multiple single mode fibers to small single mode detectors or a multi-mode coupler with a larger multi-mode detectors. In embodiments of the MMC, a bi-directional optical splitter/combiner includes a transmitter for re-transmitting an RF signal received at a receiver, a first wave division multiplexer (WDM) combiner combining the output of the first transmitter in an upstream direction to a downstream signal in a downstream direction, and a second WDM combiner combining split downstream signals in the downstream direction with upstream signals received via at least two optical fiber inputs.

N-input receiver: RFoG OBI mitigation with retransmission

Systems and methods for achieving full duplex bidirectional transmission across coaxial cable in a hybrid fiber-coaxial cable TV network. Some preferred systems and method will attenuate reflections propagated within the coaxial cable. Other preferred systems may echo-cancel reflections propagated within the coaxial cable.

Multiple upstream split support in a fiber-deep HFC network

Full duplex bidirectional transmission on coaxial cable in CATV network

In an optical system having multiple cascaded splitter/combiners, a trunk port and/or a drop port is configured for at least one of the splitter/combiner units. Drop ports may be configured with an average gain control, and the trunk ports may be configured to have individual gain control to provide a more precise overall gain and to maintain adequate signal levels. Embodiments apply to evolving RFoG architectures designed to serve a large number of subscribers without suffering from OBI (Optical Beat Interference) by retransmitting an optical signal through cascading splitters/combiners.

Trunk and drop RFOG architecture

Systems and methods for relaying upstream signals received from a plurality of subscribers to a remote head end. Preferably, the systems and methods use a switch that selectively opens when upstream RF signals are not present and closes when upstream RF signals are present, in a manner that reduces noise.

RFoG ONU upstream signal optimization

An active receiver structure that combines a large number of detectors without bandwidth penalty may provide a better signal-to-noise ratio (SNR) than conventional Radio Frequency over Glass (RFoG) networks. A transmission line receiver is used to combine a large number of optical detectors into a single radio frequency (RF) signal without a bandwidth penalty and a modest penalty in noise performance that results in an SNR that is much better than traditional optical combining techniques that are followed by a single detector. An optical multiplexer structure may be designed around the active splitter such that passive optical network (PON) operation is not impeded.

Optical and RF techniques for aggregation of photo diode arrays

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Middletown, CT, United States of America

Venkatesh Gururaj Mutalik