DOCSIS 3.1 Archives

22 01, 2014

DOCSIS 3.1: Modulation Options and Impacts – Part Two

Mia Colabrese2023-02-17T13:02:40-05:00January 22nd, 2014|

What’s Next for DOCSIS 3.1 Modulation Options and Impacts DOCSIS 3.1 modulation - Many wonder how today’s networks will support high order modulations such as 4096-QAM. There are two technologies in the DOCSIS 3.1 standard that will enable this without requiring changes to existing outside plant. The first is Orthogonal Frequency Division Multiplexing (OFDM). This is a complex word for taking many small QAM channels, like 25 kHz instead of 6 MHz, and placing them very close together. OFDM also has dynamic properties. If you have a block

4 11, 2013

First-Gen DOCSIS 3.1 Test Solution – SCTE EXPO 2013 – Fresh Tech

Mia Colabrese2023-12-13T11:03:56-05:00November 4th, 2013|

Rohde & Schwarz Demonstrated a First-Gen DOCSIS 3.1 Test Solution Fresh Tech - SCTE Cable-Tec EXPO 2013 Rohde and Schwarz had a popular demo at this years SCTE EXPO and not only was it popular it was innovative since it was the only DOCSIS 3.1 demo on the show floor. Using off-the-shelf equipment R&S demonstrated a first-gen DOCSIS 3.1 test solution. This is a precursor to their eventual delivery of real-time equipment. The demonstration consisted of a signal generator (AFQ100B + SMBV) and signal analyzers (FSW wide-band vector

25 10, 2013

DOCSIS Modulation Options and Impacts – Part One

Mia Colabrese2022-01-07T11:29:37-05:00October 25th, 2013|

What’s Next for DOCSIS Modulation Options and Impacts This paper is the second in a series titled “What’s Next for DOCSIS:” (Young, 2012), and outlines the anticipated DOCSIS near, medium, and long term next generation (NG) network specifications; identifies and presents high spectral efficiency (SE) modulation options capable of enabling DOCSIS 3.1/NG network specification compliance; identifies the likely modulation technique winner(s) and why; and finally presents NG network operational, test, and troubleshooting challenges facing network installers and repair technicians. SECTION 2 INTRODUCTION – What is Modulation Anyway? Modulation

12 09, 2013

DOCSIS 3.1: Begin Preparing Now

Mia Colabrese2013-09-12T14:45:51-04:00September 12th, 2013|

DOCSIS 3.1: Begin Preparing Now Posted on September 11, 2013 by Carl Weinschenk-BTR Experts believe that DOCSIS 3.1 is few years off. The specification has not yet been finalized. After that, test and early customer premise equipment (CPE) and corresponding CMTS and CCAP line cards will be sprinkled through systems. The bottom line is that it will be a long time until DOCSIS 3.1 is an element of everyday cable operations. So preparations should start now. The industry has been down this road before. What seems like a long road, with